:root{
  --green:#1faa3f; --green-d:#178a32; --ink:#1a1a1a; --bg:#fafaf7;
  --muted:#666; --line:#e6e6e0; --card:#ffffff;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:var(--green-d);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}

/* Header */
header.site{border-bottom:3px solid var(--ink);background:#fff;position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:980px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:22px;letter-spacing:-.5px;color:var(--ink)}
.brand img{width:40px;height:40px}
.brand .b{color:var(--ink)} .brand .k{color:var(--green)}
.nav a.navlink{color:var(--ink);font-weight:700;margin-left:18px;font-size:15px}
.yt{background:var(--ink);color:#fff !important;padding:8px 14px;border-radius:8px;font-weight:800;font-size:14px}
.yt:hover{background:var(--green);text-decoration:none}
.fb{background:#1877F2;color:#fff !important;padding:8px 14px;border-radius:8px;font-weight:800;font-size:14px;margin-left:10px}
.fb:hover{background:#0e5fcc;text-decoration:none}

/* Hero */
.hero{text-align:center;padding:54px 20px 30px}
.hero img{width:96px;height:96px;margin-bottom:6px}
.hero h1{font-size:46px;font-weight:900;letter-spacing:-1.5px;line-height:1.05}
.hero h1 .k{color:var(--green)}
.hero p.tag{font-size:19px;color:var(--muted);margin-top:10px;font-weight:600}
.hero p.intro{max-width:600px;margin:16px auto 0;color:#444}

/* Newsletter */
.news{background:var(--ink);color:#fff;border-radius:16px;padding:26px;margin:30px auto;max-width:680px;text-align:center}
.news h3{font-size:22px;font-weight:900;margin-bottom:6px}
.news p{color:#cfcfcf;font-size:15px;margin-bottom:16px}
.news form{display:flex;gap:8px;max-width:440px;margin:0 auto;flex-wrap:wrap;justify-content:center}
.news input{flex:1;min-width:200px;padding:13px 14px;border:none;border-radius:9px;font-size:15px}
.news button{background:var(--green);color:#fff;border:none;padding:13px 22px;border-radius:9px;font-weight:800;font-size:15px;cursor:pointer}
.news button:hover{background:var(--green-d)}
.news small{display:block;color:#999;margin-top:10px;font-size:12px}

/* Post list */
.section-title{font-size:14px;font-weight:900;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);margin:38px 0 16px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:680px){.grid{grid-template-columns:1fr}.hero h1{font-size:34px}}
.card{background:var(--card);border:2px solid var(--line);border-radius:14px;overflow:hidden;transition:transform .12s,box-shadow .12s}
.card:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(0,0,0,.08);text-decoration:none}
.card img{width:100%;display:block;border-bottom:2px solid var(--line);background:#fff}
.card .body{padding:16px}
.card h3{font-size:19px;font-weight:800;color:var(--ink);line-height:1.25}
.card p{color:var(--muted);font-size:14px;margin-top:8px}
.card .more{color:var(--green-d);font-weight:800;font-size:14px;margin-top:10px;display:inline-block}

/* Post page */
article{padding:38px 0 10px}
article h1{font-size:36px;font-weight:900;letter-spacing:-1px;line-height:1.12}
@media(max-width:680px){article h1{font-size:28px}}
.meta{color:var(--muted);font-size:14px;margin:12px 0 22px;font-weight:600}
.embed{position:relative;padding-bottom:56.25%;height:0;border-radius:14px;overflow:hidden;border:2px solid var(--ink);margin:8px 0 26px;background:#000}
.embed iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}
.poster{display:block;position:relative}
.poster img{width:100%;display:block}
.poster .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.25)}
.poster .play span{background:var(--green);color:#fff;font-weight:900;padding:12px 22px;border-radius:30px;font-size:16px}
article h2{font-size:24px;font-weight:900;margin:28px 0 10px;letter-spacing:-.4px}
article p{margin:14px 0;font-size:17px}
article ul{margin:14px 0 14px 22px}
article li{margin:8px 0;font-size:17px}
.cta{background:#fff;border:2px solid var(--ink);border-radius:14px;padding:22px;text-align:center;margin:30px 0}
.cta h3{font-size:20px;font-weight:900}.cta p{margin:6px 0 14px;color:var(--muted)}
.btn{display:inline-block;background:var(--ink);color:#fff !important;padding:12px 24px;border-radius:9px;font-weight:800}
.btn:hover{background:var(--green);text-decoration:none}
.backlinks{display:flex;justify-content:space-between;margin:30px 0;font-weight:700;font-size:15px}
.disclaimer{background:#fff8e6;border:1px solid #f0d98a;border-radius:10px;padding:12px 16px;font-size:14px;color:#7a5d00;margin:20px 0}

/* Footer */
footer.site{border-top:3px solid var(--ink);margin-top:50px;padding:28px 20px;text-align:center;color:var(--muted);font-size:14px}
footer.site a{font-weight:700}
footer.site .disc{font-size:12px;color:#999;margin-top:10px;max-width:560px;margin-left:auto;margin-right:auto}