/* 文章页共享样式 - 与字帖生成器首页同一设计系统 */
:root{
    --primary:#b03a2e;
    --primary-2:#d9534f;
    --ink:#2b2b2b;
    --muted:#8a8578;
    --paper:#fffdf8;
    --paper-2:#f6f1e6;
    --line:#e6dfd0;
    --shadow:0 10px 30px rgba(80,60,30,.08);
    --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{
    font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Helvetica Neue",sans-serif;
    background:linear-gradient(180deg,#faf6ee 0%,#f3ede1 100%);
    color:var(--ink);
    min-height:100vh;
}

/* 顶部导航 */
.topnav{
    max-width:1000px;
    margin:0 auto;
    padding:22px 20px 0;
}
.topnav a{
    display:inline-flex;align-items:center;gap:8px;
    color:var(--primary);
    text-decoration:none;
    font-size:14px;
    font-weight:600;
}
.topnav a:hover{opacity:.8;}
.topnav .brand{
    font-size:16px;
    color:var(--ink);
    gap:10px;
}
.topnav .brand .seal{
    width:30px;height:30px;
    background:linear-gradient(135deg,var(--primary-2),var(--primary));
    color:#fff;font-size:15px;
    border-radius:8px;
    display:flex;align-items:center;justify-content:center;
    transform:rotate(-6deg);
    box-shadow:0 3px 8px rgba(176,58,46,.3);
}

/* 文章头 */
.hero{
    text-align:center;
    padding:44px 20px 30px;
}
.hero .crumb{
    font-size:13px;color:var(--muted);margin-bottom:14px;
}
.hero .crumb a{color:var(--muted);text-decoration:none;}
.hero .crumb a:hover{color:var(--primary);}
.hero h1{
    font-size:clamp(24px,4vw,34px);
    font-weight:800;
    letter-spacing:1px;
    line-height:1.4;
}
.hero .meta{
    margin-top:14px;
    font-size:13px;
    color:var(--muted);
}

/* 正文 */
.article{
    max-width:820px;
    margin:0 auto 30px;
    padding:0 20px;
}
.article .card{
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    padding:34px 36px;
}
@media (max-width:640px){
    .article .card{padding:24px 18px;}
}
.article h2{
    font-size:20px;
    font-weight:700;
    margin:30px 0 14px;
    padding-left:12px;
    border-left:4px solid var(--primary);
}
.article h2:first-child{margin-top:0;}
.article h3{
    font-size:16px;
    font-weight:700;
    margin:20px 0 10px;
    color:#4a4438;
}
.article p{
    font-size:15px;
    line-height:1.9;
    color:#3d382e;
    margin-bottom:12px;
}
.article ul,.article ol{
    margin:0 0 14px 24px;
}
.article li{
    font-size:15px;
    line-height:1.9;
    color:#3d382e;
    margin-bottom:6px;
}
.article strong{color:var(--primary);}
.article table{
    width:100%;
    border-collapse:collapse;
    margin:14px 0 18px;
    font-size:14px;
}
.article th,.article td{
    border:1px solid var(--line);
    padding:8px 12px;
    text-align:left;
    line-height:1.7;
}
.article th{
    background:var(--paper-2);
    font-weight:700;
    color:#4a4438;
    white-space:nowrap;
}
.article td .char{
    font-family:"KaiTi","楷体","STKaiti",serif;
    font-size:20px;
    font-weight:700;
    color:var(--ink);
}
.article blockquote{
    background:var(--paper-2);
    border-left:4px solid var(--primary-2);
    border-radius:0 10px 10px 0;
    padding:12px 16px;
    margin:14px 0 18px;
    font-size:14px;
    line-height:1.8;
    color:#5d5648;
}
.article .kbd{
    background:var(--paper-2);
    border:1px solid var(--line);
    border-bottom-width:2px;
    padding:1px 8px;
    border-radius:6px;
    font-size:13px;
    color:var(--primary);
    white-space:nowrap;
}

/* 提示框 */
.notice{
    background:#fdf6ec;
    border:1px solid #f0dfc0;
    border-radius:10px;
    padding:14px 18px;
    margin:16px 0;
    font-size:14px;
    line-height:1.8;
    color:#6b5c3d;
}
.notice b{color:#a3692a;}

/* 文内 CTA */
.cta{
    margin:30px 0 10px;
    background:linear-gradient(135deg,#fdf3f2,#faf0ef);
    border:1px solid rgba(176,58,46,.25);
    border-radius:14px;
    padding:22px 26px;
    text-align:center;
}
.cta p{margin-bottom:14px;color:#5d5648;font-size:14.5px;}
.cta .btn{
    display:inline-block;
    background:linear-gradient(135deg,var(--primary-2),var(--primary));
    color:#fff;
    text-decoration:none;
    font-size:15px;
    font-weight:700;
    padding:11px 30px;
    border-radius:11px;
    letter-spacing:1px;
    box-shadow:0 6px 16px rgba(176,58,46,.3);
    transition:all .2s;
}
.cta .btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(176,58,46,.4);}

/* 相关文章 */
.related{
    max-width:820px;
    margin:0 auto 34px;
    padding:0 20px;
}
.related h2{
    font-size:17px;
    margin-bottom:14px;
    padding-left:12px;
    border-left:4px solid var(--primary);
}
.related a{
    display:block;
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:10px;
    padding:13px 18px;
    margin-bottom:10px;
    color:#5d5648;
    font-size:14px;
    text-decoration:none;
    transition:all .2s;
}
.related a:hover{border-color:var(--primary-2);color:var(--primary);}

footer{
    text-align:center;
    padding:20px 20px 34px;
    color:#a39c8c;
    font-size:12.5px;
}