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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: #f3f5f9;
    color: #0f172a;
    line-height: 1.85;
    padding: 0 16px 60px;
    -webkit-font-smoothing: antialiased;
}

a { color: #b8852e; text-decoration: none; }
a:hover { text-decoration: underline; }

.site-head {
    max-width: 860px;
    margin: 24px auto 0;
    background: #0a1628;
    color: #fff;
    border-radius: 16px 16px 0 0;
    padding: 16px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.brand { color: #fff; font-weight: 700; font-size: 17px; }
.brand span { color: #cbd5e1; font-weight: 400; font-size: 13px; margin-left: 6px; }
.site-head nav a { color: #cbd5e1; font-size: 13.5px; margin-left: 18px; }
.site-head nav a:hover { color: #d4a24c; text-decoration: none; }

.wrap {
    max-width: 860px;
    margin: 0 auto;
    background: #fff;
    border-radius: 0 0 16px 16px;
    box-shadow: 0 4px 14px rgba(2, 6, 23, .08);
    padding: 40px 44px 32px;
}

.kicker {
    font-size: 12px;
    letter-spacing: 1px;
    color: #b8852e;
    font-weight: 600;
}

article h1 {
    font-size: 30px;
    line-height: 1.35;
    margin: 10px 0 18px;
    letter-spacing: -.4px;
}

.lead {
    font-size: 16px;
    color: #334155;
    background: #f8fafc;
    border-left: 3px solid #d4a24c;
    padding: 14px 16px;
    border-radius: 0 8px 8px 0;
    margin-bottom: 26px;
}

article h2 {
    font-size: 19px;
    margin: 30px 0 10px;
    color: #0a1628;
}

article p { margin: 12px 0; color: #1e293b; }
article ul { margin: 12px 0 12px 22px; color: #1e293b; }
article li { margin: 6px 0; }

.article-foot {
    margin-top: 36px;
    padding-top: 18px;
    border-top: 1px solid #e8ecf1;
    font-size: 13px;
    color: #64748b;
}
.article-foot a { display: inline-block; margin-bottom: 8px; }
.article-foot p { margin: 6px 0; }

footer {
    max-width: 860px;
    margin: 16px auto 0;
    text-align: center;
    font-size: 12px;
    color: #94a3b8;
    line-height: 1.8;
}

@media (max-width: 640px) {
    .wrap { padding: 26px 20px; }
    article h1 { font-size: 24px; }
    .site-head { padding: 14px 18px; }
    .site-head nav a { margin-left: 12px; }
}