* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", sans-serif;
}
body {
    color: #333;
    background-color: #f8fafc;
    line-height: 1.7;
}
a {
    text-decoration: none;
    color: #0277bd;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}
header {
    background: #0277bd;
    color: #fff;
    padding: 16px 0;
}
.header-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo h1 {
    font-size: 22px;
    font-weight: 600;
}
nav ul {
    display: flex;
    gap: 20px;
    list-style: none;
    flex-wrap: wrap;
}
nav a {
    color: #fff;
    padding: 6px 8px;
}
nav a:hover {
    background: rgba(255,255,255,0.15);
    border-radius: 4px;
}
.banner {
    background: #e8f4fc;
    padding: 40px 0;
    text-align: center;
}
.banner h2 {
    font-size: 30px;
    color: #01579b;
    margin-bottom:12px;
}
.banner p {
    font-size:18px;
    max-width:800px;
    margin:0 auto;
}
section {
    padding: 40px 0;
}
.title-block {
    text-align:center;
    margin-bottom:30px;
}
.title-block h3 {
    font-size:26px;
    color:#01579b;
    margin-bottom:8px;
}
.grid-3 {
    display:grid;
    grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
    gap:24px;
}
.card {
    background:#fff;
    padding:24px;
    border-radius:10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}
.card h4 {
    font-size:20px;
    color:#0277bd;
    margin-bottom:10px;
}
.faq-item {
    background:#fff;
    margin-bottom:12px;
    padding:18px;
    border-radius:8px;
    box-shadow:0 1px 6px rgba(0,0,0,0.05);
}
.faq-item h4 {
    color:#01579b;
    margin-bottom:6px;
}
footer {
    background:#263238;
    color:#fff;
    padding:30px 0;
    margin-top:40px;
}
footer p {
    font-size:14px;
    opacity:0.85;
    text-align:center;
}
.content-page {
    background:#fff;
    padding:32px;
    border-radius:10px;
    box-shadow:0 2px 10px rgba(0,0,0,0.05);
}
.content-page h3 {
    color:#01579b;
    margin-bottom:16px;
    font-size:24px;
}
.content-page ul {
    padding-left:22px;
    margin:16px 0;
}
@media (max-width:768px){
    .header-wrap {
        flex-direction:column;
        gap:12px;
    }
    nav ul {
        justify-content:center;
    }
    .banner h2 {
        font-size:24px;
    }
}