@import url('https://puhuiti.oss-cn-hangzhou.aliyuncs.com/AlibabaPuHuiTi-2/AlibabaPuHuiTi-2-55-Regular/AlibabaPuHuiTi-2-55-Regular.css');

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #ffffff;
    color: #28334b;
}

nav {
    background: #fff;
    box-shadow: 0 2px 16px rgba(0,0,0,0.07);
    height: 80px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
}

.nav-logo {
    font-size: 22px;
    font-weight: 700;
    font-family: 'AlibabaPuHuiTi', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #1a6ef5;
    margin-right: auto;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo-img {
    height: 48px;
    width: auto;
}

.nav-links { display: flex; gap: 32px; list-style: none; }

.nav-links a {
    text-decoration: none;
    color: #3d4a5c;
    font-size: 15px;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: #1a6ef5; }

.page-hero {
    background: linear-gradient(135deg, #080d2a 0%, #141e50 100%);
    text-align: center;
    padding: 60px 20px 90px;
}

.page-hero-inner {
    max-width: 960px;
    margin: 0 auto;
}

.page-title {
    font-size: 30px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.page-subtitle {
    font-size: 15px;
    color: rgba(255,255,255,0.75);
}

main {
    max-width: 960px;
    margin: -60px auto 0;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.section {
    background: #fff;
    border-radius: 12px;
    padding: 26px 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    margin-bottom: 16px;
}

.section-title {
    font-size: 16px;
    font-weight: 700;
    color: #1a2640;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eef2f8;
}

.section p {
    font-size: 14px;
    color: #5a6a7e;
    line-height: 1.9;
    margin-bottom: 10px;
}

.section p:last-child { margin-bottom: 0; }

footer {
    margin-top: 80px;
    background: #fff;
    border-top: 1px solid #e8edf5;
    padding: 32px 20px;
}

.footer-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.footer-links {
    display: flex;
    gap: 28px;
    list-style: none;
}

.footer-links a {
    text-decoration: none;
    color: #7a8a9e;
    font-size: 13px;
    transition: color 0.2s;
}

.footer-links a:hover { color: #1a6ef5; }

.footer-copy { font-size: 12px; color: #a0adb8; }
.footer-icp  { font-size: 12px; color: #a0adb8; }

@media (max-width: 640px) {
    nav { height: auto; padding: 12px 0; }
    .nav-inner { flex-wrap: wrap; gap: 10px; padding: 0 16px; }
    .nav-logo { width: 100%; }
    .nav-links { gap: 14px; flex-wrap: wrap; }
    .nav-links a { font-size: 13px; }
    main { margin: 32px auto; padding: 0 16px; }
}