/* 全局样式 */

*{
margin:0;
padding:0;
box-sizing:border-box;
}

body{
font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
line-height:1.7;
background:#f5f7fb;
color:#333;
}

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

.container{
width:1200px;
max-width:95%;
margin:auto;
}

/* Header */

.header{
background:#ffffff;
border-bottom:1px solid #eee;
position:sticky;
top:0;
z-index:1000;
}

.header .container{
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 0;
}

.logo{
font-size:22px;
font-weight:700;
color:#2d6cdf;
}

nav ul{
list-style:none;
display:flex;
gap:25px;
}

nav a{
font-size:15px;
color:#333;
transition:0.3s;
}

nav a:hover{
color:#2d6cdf;
}

/* hero */

.hero{
background:linear-gradient(120deg,#2d6cdf,#4c8dff);
color:white;
padding:120px 0;
text-align:center;
}

.hero h1{
font-size:42px;
margin-bottom:20px;
}

.hero p{
font-size:18px;
margin-bottom:30px;
opacity:0.95;
}

.btn{
display:inline-block;
background:#ffffff;
color:#2d6cdf;
padding:12px 28px;
border-radius:6px;
font-weight:600;
transition:0.3s;
}

.btn:hover{
background:#f1f3f7;
}

/* section */

section{
padding:70px 0;
}

section h2{
text-align:center;
margin-bottom:40px;
font-size:32px;
}

/* features */

.feature-grid{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:25px;
}

.feature-item{
background:white;
padding:30px;
border-radius:10px;
box-shadow:0 5px 20px rgba(0,0,0,0.05);
transition:0.3s;
}

.feature-item:hover{
transform:translateY(-5px);
}

.feature-item h3{
margin-bottom:10px;
color:#2d6cdf;
}

/* solutions */

.solutions ul{
max-width:800px;
margin:auto;
margin-top:30px;
}

.solutions li{
margin-bottom:15px;
}

/* CTA */

.cta{
background:#2d6cdf;
color:white;
text-align:center;
}

.cta p{
margin:20px auto;
max-width:700px;
}

.cta .btn{
background:white;
color:#2d6cdf;
}

/* blog preview */

.blog-grid{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:25px;
}

.blog-item{
background:white;
padding:25px;
border-radius:10px;
box-shadow:0 5px 20px rgba(0,0,0,0.05);
transition:0.3s;
}

.blog-item:hover{
transform:translateY(-5px);
}

.blog-item h3{
color:#2d6cdf;
margin-bottom:10px;
}

/* clients */

.clients{
background:#f1f4f9;
text-align:center;
}

.client-logos{
margin-top:30px;
display:flex;
justify-content:center;
gap:40px;
flex-wrap:wrap;
}

.client-logos img{
height:40px;
opacity:0.7;
}

/* blog page */

.grid{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:25px;
}

.card{
background:white;
padding:25px;
border-radius:10px;
box-shadow:0 5px 20px rgba(0,0,0,0.05);
transition:0.3s;
}

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

.card h3{
color:#2d6cdf;
margin-bottom:10px;
}

/* page header */

.page-header{
background:#2d6cdf;
color:white;
text-align:center;
padding:60px 0;
}

.page-header h1{
font-size:36px;
margin-bottom:10px;
}

/* page content */

.page-content{
background:white;
padding:50px 0;
}

.page-content p{
margin-bottom:20px;
}

.page-content ul{
margin-left:20px;
margin-bottom:20px;
}

/* footer */

footer{
background:#111;
color:#ccc;
text-align:center;
padding:30px 0;
margin-top:50px;
}

footer a{
color:#aaa;
}

/* floating tg */

.tg-float{
position:fixed;
right:20px;
bottom:40px;
}

.tg-float a{
background:#2d6cdf;
color:white;
padding:12px 18px;
border-radius:30px;
font-size:14px;
box-shadow:0 5px 15px rgba(0,0,0,0.2);
}

/* responsive */

@media(max-width:900px){

.hero h1{
font-size:30px;
}

.feature-grid{
grid-template-columns:1fr;
}

.blog-grid{
grid-template-columns:1fr;
}

.grid{
grid-template-columns:1fr;
}

nav ul{
gap:15px;
}

}