/* 未来源 - 站点样式（绿色主题） */
:root{
    --primary:#0fa968;
    --primary-dark:#0c8c55;
    --primary-light:#e6f6ee;
    --accent:#3fcf8a;
    --bg:#f7fbf8;
    --card:#ffffff;
    --text:#1a2520;
    --text-muted:#5d6b65;
    --border:#e0ece5;
    --code-bg:#eef8f2;
    --radius:12px;
    --max-width:1080px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}
img{max-width:100%}
.wrap{max-width:var(--max-width);margin:0 auto;padding:0 24px}

/* ===== Header ===== */
.site-header{
    position:sticky;top:0;z-index:100;
    background:rgba(255,255,255,.85);
    backdrop-filter:saturate(180%) blur(12px);
    -webkit-backdrop-filter:saturate(180%) blur(12px);
    border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
    width:34px;height:34px;border-radius:9px;
    background:linear-gradient(135deg,var(--primary),var(--accent));
    color:#fff;font-weight:700;font-size:18px;
    display:flex;align-items:center;justify-content:center;
}
.brand-name{font-size:19px;font-weight:700;letter-spacing:.5px}
.nav{display:flex;gap:8px}
.nav a{
    color:var(--text-muted);font-size:15px;font-weight:500;
    padding:8px 14px;border-radius:8px;transition:all .2s;
}
.nav a:hover{color:var(--primary);background:var(--primary-light)}
.nav a.active{color:var(--primary);background:var(--primary-light)}

/* ===== Hero ===== */
.hero{
    padding:56px 0 40px;text-align:center;max-width:760px;margin:0 auto;
}
.hero h1{
    font-size:34px;font-weight:800;letter-spacing:-.5px;line-height:1.3;
    background:linear-gradient(135deg,var(--primary),var(--accent));
    -webkit-background-clip:text;background-clip:text;color:transparent;
    margin-bottom:16px;
}
.hero p{font-size:17px;color:var(--text-muted)}

/* ===== Post list ===== */
.post-list{padding:24px 0 64px;display:flex;flex-direction:column;gap:20px}
.post-card{
    background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
    padding:26px 28px;transition:all .25s;
}
.post-card:hover{
    border-color:var(--primary);box-shadow:0 8px 28px rgba(15,169,104,.12);
    transform:translateY(-2px);
}
.post-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-muted);margin-bottom:10px;flex-wrap:wrap}
.cat{
    background:var(--primary-light);color:var(--primary);
    padding:3px 10px;border-radius:6px;font-weight:600;font-size:12px;
}
.post-card h2{font-size:21px;font-weight:700;line-height:1.4;margin-bottom:8px}
.post-card h2 a{color:var(--text)}
.post-card h2 a:hover{color:var(--primary)}
.post-card p{color:var(--text-muted);font-size:15px}

/* ===== Article detail ===== */
.article{padding:48px 0 72px}
.article-back{display:inline-flex;align-items:center;gap:6px;color:var(--text-muted);font-size:14px;margin-bottom:28px}
.article-back:hover{color:var(--primary)}
.article-header{margin-bottom:36px;padding-bottom:28px;border-bottom:1px solid var(--border)}
.article-header .cat{margin-bottom:14px;display:inline-block}
.article-header h1{font-size:32px;font-weight:800;line-height:1.35;letter-spacing:-.3px;margin-bottom:16px}
.article-meta{display:flex;align-items:center;gap:16px;font-size:14px;color:var(--text-muted);flex-wrap:wrap}
.article-meta .author{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--text)}
.author-avatar{
    width:32px;height:32px;border-radius:50%;
    background:linear-gradient(135deg,var(--primary),var(--accent));
    color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.article-body{font-size:17px;color:#222b27}
.article-body h2{
    font-size:24px;font-weight:700;margin:44px 0 16px;
    padding-left:14px;border-left:4px solid var(--primary);
}
.article-body h3{font-size:19px;font-weight:700;margin:32px 0 12px}
.article-body p{margin-bottom:18px}
.article-body ul,.article-body ol{margin:0 0 18px 4px;padding-left:22px}
.article-body li{margin-bottom:8px}
.article-body code{
    font-family:"SF Mono",Consolas,"Liberation Mono",Menlo,monospace;
    background:var(--code-bg);color:var(--primary-dark);
    padding:2px 7px;border-radius:5px;font-size:.88em;
}
.article-body pre{
    background:#16241d;color:#d7f5e3;border-radius:10px;
    padding:20px 22px;overflow-x:auto;margin:0 0 20px;font-size:14px;line-height:1.65;
}
.article-body pre code{background:none;color:inherit;padding:0;font-size:inherit}
.article-body blockquote{
    border-left:4px solid var(--accent);background:var(--primary-light);
    padding:14px 20px;border-radius:0 8px 8px 0;margin:0 0 20px;color:var(--text);
}
.article-body strong{font-weight:700;color:var(--text)}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-body th{background:var(--primary-light);font-weight:700}

/* ===== About ===== */
.about{padding:48px 0 72px;max-width:760px}
.about-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:40px}
.about-card h1{font-size:30px;font-weight:800;margin-bottom:8px}
.about-card .lead{color:var(--text-muted);margin-bottom:28px}
.about-card h2{font-size:20px;margin:28px 0 12px}
.about-card p{margin-bottom:16px;color:#222b27}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}
.stat{background:var(--primary-light);border-radius:10px;padding:18px;text-align:center}
.stat .num{font-size:26px;font-weight:800;color:var(--primary)}
.stat .label{font-size:13px;color:var(--text-muted);margin-top:4px}

/* ===== Footer ===== */
.site-footer{background:#101e16;color:#a8c2b4;margin-top:auto}
.footer-inner{display:flex;flex-wrap:wrap;gap:40px;padding:56px 24px 40px}
.footer-col{flex:1;min-width:180px}
.footer-col .brand-name{color:#fff;margin-bottom:12px;font-size:18px}
.footer-desc{font-size:14px;line-height:1.7;color:#6e8a7d}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col a{display:block;color:#6e8a7d;font-size:14px;padding:5px 0}
.footer-col a:hover{color:#fff}
.footer-bottom{padding:22px 24px;border-top:1px solid #1d3326;text-align:center;font-size:13px;color:#6e8a7d}
.footer-bottom a{color:#a8c2b4}
.footer-bottom a:hover{color:#fff}

/* ===== Responsive ===== */
@media(max-width:640px){
    .hero h1{font-size:26px}
    .post-card{padding:20px}
    .article-header h1{font-size:24px}
    .article-body{font-size:16px}
    .stat-grid{grid-template-columns:1fr}
    .nav a{padding:6px 10px;font-size:14px}
}