:root{--xc-bg:#f6fbf7;--xc-fg:#0e2a1f;--xc-p:#0d8a5c;--xc-p2:#34c38f;--xc-ac:#ffb74d;--xc-card:#ffffff;--xc-muted:#5d7a6c;--xc-line:#e3eee8;}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body.xc-body{background:var(--xc-bg);color:var(--xc-fg);font-family:-apple-system,"PingFang SC","Microsoft YaHei",Roboto,Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.xc-wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.xc-header{position:sticky;top:0;z-index:50;background:color-mix(in oklab,var(--xc-card) 80%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--xc-line)}
.xc-nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.xc-logo{font-weight:800;font-size:20px;background:linear-gradient(135deg,var(--xc-p),var(--xc-p2));-webkit-background-clip:text;background-clip:text;color:transparent}
.xc-menu{display:flex;gap:18px;flex-wrap:wrap}
.xc-menu a{padding:8px 12px;border-radius:8px;font-size:14px;color:var(--xc-muted);transition:.2s}
.xc-menu a:hover,.xc-menu a.active{background:var(--xc-line);color:var(--xc-fg)}
.xc-hero{padding:60px 0 40px;background:radial-gradient(1000px 400px at 80% -20%,color-mix(in oklab,var(--xc-p2) 25%,transparent),transparent 70%)}
.xc-hero h1{font-size:40px;line-height:1.2;margin:0 0 14px;letter-spacing:-.02em}
.xc-hero p{color:var(--xc-muted);max-width:720px;margin:0 0 22px;font-size:16px}
.xc-cta{display:inline-flex;gap:10px;align-items:center;background:linear-gradient(135deg,var(--xc-p),var(--xc-p2));color:#fff;padding:12px 22px;border-radius:999px;font-weight:600;box-shadow:0 12px 30px -10px color-mix(in oklab,var(--xc-p) 40%,transparent)}
.xc-section{padding:36px 0}
.xc-h2{font-size:24px;margin:0 0 18px;display:flex;align-items:center;gap:10px}
.xc-h2::before{content:"";width:4px;height:22px;border-radius:3px;background:linear-gradient(var(--xc-p),var(--xc-p2))}
.xc-card{background:var(--xc-card);border:1px solid var(--xc-line);border-radius:14px;overflow:hidden;transition:.25s;display:block}
.xc-card:hover{transform:translateY(-3px);box-shadow:0 20px 40px -22px color-mix(in oklab,var(--xc-p) 35%,transparent);border-color:color-mix(in oklab,var(--xc-p) 30%,var(--xc-line))}
.xc-thumb{aspect-ratio:16/10;width:100%;object-fit:cover;display:block;background:var(--xc-line)}
.xc-meta{padding:14px 16px}
.xc-meta h3{font-size:15px;margin:0 0 6px;line-height:1.4}
.xc-meta p{margin:0;color:var(--xc-muted);font-size:13px}
.xc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.xc-tag{font-size:12px;padding:4px 10px;border-radius:999px;background:var(--xc-line);color:var(--xc-muted)}
.xc-comments{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.xc-cmt{background:var(--xc-card);border:1px solid var(--xc-line);border-radius:12px;padding:14px 16px}
.xc-cmt b{color:var(--xc-p)}
.xc-footer{margin-top:40px;border-top:1px solid var(--xc-line);padding:30px 0;color:var(--xc-muted);font-size:13px}
.xc-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px}
@media (max-width:780px){.xc-hero h1{font-size:30px}.xc-foot-grid{grid-template-columns:1fr}}
.xc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}