@charset "utf-8";
html {
	margin: 0;
	padding: 0;
	width: 100%;
	box-sizing: border-box;
}
body,ul,ol,h1,h2,h3,h4,h5,h6,li,p{
margin:0;
padding:0;
}
body {
margin:0;
width:100%;
font-size:14px;
font-family:"Microsoft YaHei",PingFangSC-Semibold,Arial,sans-serif,Helvetica,STHeiti;
box-sizing:border-box;
-webkit-box-sizing:border-box;
background: url(../images/citybg.png) no-repeat top center;
background-size: cover;
background-attachment: scroll;
/* background-attachment: fixed; */
}
img{border:0px; vertical-align:middle;}
.clearfix:after{
	content:'';
	clear:both;
	display:block;
}
a{text-decoration:none}
li{list-style:none}

/* 顶部导航栏 */
header {
	align-items: center;
	justify-content: space-between;
}
.float-header {
    position: fixed;
    top: 18px;
    left: 18px;
    right: 18px;
    z-index: 999;
    pointer-events: none;
}
.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    height: 56px;
    padding: 0 24px;
    border-radius: 50px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: space-between;
    pointer-events: auto;
	background: linear-gradient(#0f48d1, #0f48d1) padding-box,
                linear-gradient(90deg, #3098ff, #b268ff) border-box;
    border: 2px solid transparent;
    /* 外发光效果 */
    box-shadow: 0 0 16px rgba(60, 155, 255, 0.45),
                0 0 30px rgba(178, 104, 255, 0.25);
}
.header-left {
	display: flex;
	align-items: center;
	gap: 15px;
}
.logo-box {
    display: flex;
    align-items: center;
    height: 100%;
}
.logo-img {
    height: 36px;
    width: auto;
    display: block;
}
.nav-list {
	margin-left: 20px;
	display: flex;
	gap: 32px;
    align-items: center;
}
.nav-list a {
	color: #fff;
	text-decoration: none;
	font-size: 16px;
	padding: 8px 0;
	position: relative;
}
.nav-list a.active ,.nav-list a:hover{
    color: #40ccff;
}
.nav-list a.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #40ccff;
    border-radius: 2px;
}
.header-right {
	display: flex;
	gap: 16px;
	align-items: center;
}
.btn-login {
	background: #fff;
	color: #0940b3;
	border: none;
	padding: 8px 20px;
	border-radius: 20px;
	font-size: 15px;
	cursor: pointer;
}
.btn-login:hover {
    background: #f0f7ff;
    box-shadow: 0 0 10px rgba(32, 136, 255, 0.35);
}
.btn-signup {
	background: #2088ff;
	color: #fff;
	border: none;
	padding: 8px 20px;
	border-radius: 20px;
	font-size: 15px;
	cursor: pointer;
}
.btn-signup:hover {
    background: #0f72e8;
    box-shadow: 0 0 12px rgba(32, 136, 255, 0.5);
}
.banner {
	padding: 40px 80px 0;
	display: flex;
	justify-content: space-between;
	align-items: center;
	min-height: 82vh;
}
.banner-text {
	flex: 1;
}
.banner-tag {
	font-size: 20px;
	margin-bottom: 16px;
	color: #fff;
}
.title-wrap {
  position: relative;
  width: 100%;
}
.title-text {
  display: none; /* PC隐藏文字手机端适配 */
  width: 100%;
}
.title-img {
    width: 100%;
    max-width: 750px;
    height: auto;
    margin: 16px 0 32px;
    display: block;
}
.banner-title-1 {
	font-size: 56px;
	font-weight: bold;
	line-height: 1.2;
	margin-bottom: 12px;
}
.color-ai {
	background: linear-gradient(90deg, #73d1ff, #c880ff);
	-webkit-background-clip: text;
	color: transparent;
}
.banner-title-2 {
	font-size: 38px;
	font-weight: 500;
	margin-bottom: 32px;
	opacity: 0.95;
}
.banner-buttons {
	display: flex;
	gap: 24px;
	margin-bottom: 18px;
}
.btn-big-1 {
	padding: 15px 38px;
    font-size: 20px;
    border-radius: 50px;
    border: 2px solid transparent;
    background:
        linear-gradient(90deg, #1078ff, #904cff) padding-box,
        linear-gradient(90deg, #40ccff, #d87cff) border-box;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow:
        0 0 18px rgba(16, 120, 255, 0.6),
        0 0 34px rgba(144, 76, 255, 0.4);
}
.btn-big-1:hover {
    background:
        linear-gradient(90deg, #006aff, #803cff) padding-box,
        linear-gradient(90deg, #70e0ff, #e89cff) border-box;
    box-shadow:
        0 0 24px rgba(16, 120, 255, 0.75),
        0 0 46px rgba(144, 76, 255, 0.55);
    transform: scale(1.03);
}
.btn-big-2 {
	padding: 12px 40px;
	font-size: 20px;
	border-radius: 50px;
	border: 2px solid #fff;
	background: #1c41d3;
	color: #fff;
	cursor: pointer;
}
.btn-big-2:hover {
    background: #2551f0;
    box-shadow: 0 0 14px rgba(28, 65, 211, 0.6);
	transform: scale(1.03);
}
.info-item {
	color: #fff;
	font-size: 18px;
	margin: 12px 0;
	display: flex;
	align-items: center;
	gap: 10px;
	text-shadow: 0 2px 2px #0f3791;
}
.location-tag {
	background: #d87cff;
	padding: 4px 14px;
	border-radius: 16px;
	font-size: 16px;
}
.robot-box {
	width: 360px;
	height: 400px;
	background: url(../images/robot.png) no-repeat center;
	background-size: contain;
}
/* 滚d动 */
.scroll-wrap {
	background: rgba(13,56,122,0.6);
	padding: 12px 0;
	overflow: hidden;
	width: 100%;
	color: #fff;
}
.scroll-content {
	display: flex;
	white-space: nowrap;
	animation: scroll 25s linear infinite;
	font-size: 15px;
}
.scroll-item {
	padding: 0 60px;
}
.scroll-item img{
	height: 18px;
}
@keyframes scroll {
	0% { transform: translateX(0); }
	100% { transform: translateX(-50%); }
}
/* 页脚 */
footer {
	padding: 30px;
	display: flex;
	justify-content: space-between;
	font-size: 14px;
	opacity: 0.85;
	color: #fff;
	background-color: rgba(10, 60, 200, 0.35); 
}
.footer-right .unit-block {
    text-align: left; 
}
.footer-right .unit-block p {
    margin: 4px 0;
    text-indent: 0; 
}
.footer-right-item{
	display:flex;
	gap:40px;
}


@media screen and (max-width: 768px) {
	.float-header {
        left: 10px;
        right: 10px;
        top: 12px;
    }
	.header-inner {
        height: 48px;
        padding: 0 16px;
        gap: 10px;
    }
	.header-right {
		display: flex;
		gap: 4px;
		align-items: center;
	}
	.logo-box {
		display: flex;
		align-items: center;
		height: 36px;
   		width: 32px;
		background: url("../images/logophone.png") no-repeat;
		background-size: 100% 100%;
	}
	.logo-img {
		height: 36px;
		width: auto;
		display: none;
	}
    .nav-list {
      	display: none !important;
    }
	.btn-login{
		font-size: 12px;
        padding: 4px 10px;
        white-space: nowrap;
	}
	.btn-signup {
        font-size: 12px;
        padding: 4px 10px;
        white-space: nowrap;
    }

  /* Banner移动端 */
  .banner {
        padding: 80px 16px 24px;
        flex-direction: column;
        min-height: auto;
    }
	.banner-text {
        width: 100%;
    }
    .banner-tag {
        font-size: 16px;
    }
	.robot-box {
        display: none !important;
    }
    .banner-buttons {
		margin: 20px;
        flex-direction: column;
        gap: 16px;
    }
    .btn-big-1, .btn-big-2 {
        /* width: 100%; */
        font-size: 15px;
        padding: 10px 0;
		text-align: center;
		display: inline-block;
    }
	.info-item {
        font-size: 13px;
        flex-wrap: wrap;
        gap: 6px;
    }
    .location-tag {
        font-size: 12px;
        padding: 3px 10px;
    }

    /* 3、Footer底部适配：横向改垂直堆叠，缩小间距字号 */
    footer {
        flex-direction: column;
        gap: 4px;
        padding: 16px;
    }
    .footer-right {
        width: 100%;
    }
    .footer-right > div {
        flex-direction: column;
        gap: 16px;
    }
    .footer-left p {
        font-size: 12px;
        line-height: 1.6;
    }
    .footer-left a {
        display: inline-block;
        margin: 4px 0;
    }
    .unit-block p {
        font-size: 13px;
        line-height: 1.5;
    }
	.title-img {
		display: none !important;
	}
	.title-text {
		display: block !important;
		padding: 10px 0;
	}
	.title-line1 {
		font-size: clamp(28px, 9vw, 42px);
		font-weight: bold;
		background: linear-gradient(90deg, #fff, #43e8ff, #b86cff, #fff);
		-webkit-background-clip: text;
		background-clip: text;
		color: transparent;
		line-height: 1.1;
	}
	.title-line2 {
		font-size: clamp(20px, 6vw, 28px);
		color: #ffffff;
		font-weight: 500;
		line-height: 1.2;
		margin-top: 12px;
	}
	.scroll-wrap {
		padding: 6px 0;
	}
	.scroll-content {
    	font-size: 12px;
	}
	.scroll-item img {
		height: 18px !important;
	}
	.footer-right-item{
		display:flex;
		gap:12px;
	}
}