:root{
  --main:#2f8f7d; --sub:#e8923a;
  --bg:#faf9f6; --card:#ffffff; --ink:#2a2a28; --muted:#6b6b66;
  --line:#e7e5df; --soft:#f1efe9;
  --maxw:1080px; --read:720px;
  --radius:14px; --shadow:0 2px 10px rgba(30,30,20,.05);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic","Apple SD Gothic Neo",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.btn{display:inline-block;background:var(--main);color:#fff;padding:11px 20px;border-radius:999px;font-weight:700;font-size:15px;border:none;cursor:pointer}
.btn.ghost{background:transparent;color:var(--main);border:1.5px solid var(--main)}
.btn.sub{background:var(--sub)}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(250,249,246,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;gap:16px;height:62px}
.brand{font-weight:900;font-size:21px;letter-spacing:-.3px;color:var(--main)}
.brand small{display:block;font-size:10.5px;font-weight:600;color:var(--muted);letter-spacing:.2px;margin-top:-2px}
.nav{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
.nav a{padding:8px 12px;border-radius:9px;font-size:14.5px;font-weight:600;color:var(--ink)}
.nav a:hover{background:var(--soft);color:var(--main)}
.menu-btn{display:none;margin-left:auto;background:none;border:none;font-size:24px;cursor:pointer;color:var(--main)}

/* hero */
.hero{background:linear-gradient(160deg,color-mix(in srgb,var(--main) 10%,#fff),var(--bg));border-bottom:1px solid var(--line);padding:54px 0 48px}
.hero h1{font-size:34px;font-weight:900;letter-spacing:-.6px;line-height:1.3;margin-bottom:14px}
.hero h1 b{color:var(--main)}
.hero p{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:22px}
.hero .row{display:flex;gap:10px;flex-wrap:wrap}

/* sections */
section.block{padding:44px 0}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:20px;gap:10px}
.sec-head h2{font-size:23px;font-weight:800;letter-spacing:-.3px}
.sec-head a{font-size:14px;color:var(--main);font-weight:700}
.lead{color:var(--muted);font-size:15.5px;margin-bottom:22px;max-width:var(--read)}

/* category grid */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:transform .12s,box-shadow .12s}
.cat-card:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(30,30,20,.08)}
.cat-card .em{font-size:28px}
.cat-card h3{font-size:17px;font-weight:800;margin:10px 0 6px}
.cat-card p{font-size:13.5px;color:var(--muted);line-height:1.65;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* post grid */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .12s,box-shadow .12s}
.post-card:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(30,30,20,.08)}
.post-card .thumb{height:118px;display:flex;align-items:center;justify-content:center;font-size:40px;background:linear-gradient(135deg,color-mix(in srgb,var(--main) 16%,#fff),color-mix(in srgb,var(--sub) 14%,#fff))}
.post-card .pc-body{padding:16px 17px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-card .tag{font-size:12px;font-weight:700;color:var(--main)}
.post-card h3{font-size:16.5px;font-weight:800;line-height:1.4;letter-spacing:-.2px}
.post-card p{font-size:13.5px;color:var(--muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .meta{margin-top:auto;font-size:12px;color:var(--muted)}
.badge{display:inline-block;background:var(--soft);color:var(--muted);font-size:11px;font-weight:700;padding:2px 8px;border-radius:6px}
.badge.pick{background:color-mix(in srgb,var(--sub) 20%,#fff);color:#9a5a10}

/* breadcrumb */
.crumb{font-size:13px;color:var(--muted);padding:16px 0}
.crumb a{color:var(--main);font-weight:600}
.crumb span{margin:0 6px;color:var(--line)}

/* article */
.article{max-width:var(--read);margin:0 auto;padding:8px 0 40px}
.article .kicker{color:var(--main);font-weight:700;font-size:13.5px}
.article h1{font-size:30px;font-weight:900;letter-spacing:-.5px;line-height:1.3;margin:8px 0 12px}
.article .sub{font-size:17px;color:var(--muted);margin-bottom:18px;line-height:1.6}
.article .byline{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;margin-bottom:24px}
.article .byline b{color:var(--ink)}
.toc{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:0 0 26px}
.toc strong{display:block;font-size:14px;margin-bottom:8px}
.toc ol{margin-left:18px;font-size:14.5px}
.toc a{color:var(--main)}
.article h2{font-size:21px;font-weight:800;margin:34px 0 12px;letter-spacing:-.3px;scroll-margin-top:72px}
.article h3{font-size:17px;font-weight:800;margin:22px 0 8px}
.article p{margin:0 0 15px}
.article ul,.article ol{margin:0 0 16px 20px}
.article li{margin-bottom:7px}
.box{border-radius:12px;padding:16px 18px;margin:22px 0;font-size:15px}
.box .bx-h{font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:7px}
.box.summary{background:color-mix(in srgb,var(--main) 8%,#fff);border:1px solid color-mix(in srgb,var(--main) 25%,#fff)}
.box.mistake{background:#fff6ef;border:1px solid #f3d8c0}
.box.check{background:#fff;border:1px solid var(--line)}
.box.check label{display:flex;gap:9px;align-items:flex-start;margin-bottom:8px;cursor:pointer}
.box.check input{margin-top:5px}
.faq{margin:28px 0}
.faq details{border:1px solid var(--line);border-radius:10px;padding:2px 16px;margin-bottom:10px;background:var(--card)}
.faq summary{font-weight:700;cursor:pointer;padding:12px 0;font-size:15px}
.faq details p{padding:0 0 14px;color:var(--muted);margin:0}
.author-box{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin:30px 0}
.author-box .av{width:52px;height:52px;border-radius:50%;background:var(--main);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px;flex:none}
.author-box h4{font-size:15px;margin-bottom:4px}
.author-box h4 a{color:var(--main)}
.author-box p{font-size:13.5px;color:var(--muted);margin:0}
.related{margin:30px 0}
.related h3{font-size:17px;margin-bottom:12px}
.related a{display:block;padding:12px 14px;border:1px solid var(--line);border-radius:10px;margin-bottom:9px;font-weight:600;background:var(--card)}
.related a:hover{border-color:var(--main);color:var(--main)}
.related a small{display:block;font-weight:500;color:var(--muted);font-size:12.5px;margin-top:2px}

/* generic page / legal */
.page{max-width:var(--read);margin:0 auto;padding:10px 0 50px}
.page h1{font-size:28px;font-weight:900;margin-bottom:8px;letter-spacing:-.4px}
.page h2{font-size:19px;font-weight:800;margin:28px 0 10px}
.page p{margin:0 0 14px}
.page ul{margin:0 0 16px 20px}.page li{margin-bottom:6px}
.updated{font-size:13px;color:var(--muted);margin-bottom:24px}

/* contact */
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:6px}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:15px;font-family:inherit;background:var(--card)}
.notice{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:13px 15px;font-size:13.5px;color:var(--muted);margin:14px 0}

/* columns */
.col-card{background:linear-gradient(135deg,#fff,color-mix(in srgb,var(--sub) 7%,#fff));border:1px solid color-mix(in srgb,var(--sub) 25%,#fff);border-left:4px solid var(--sub);border-radius:12px;padding:18px 20px;margin-bottom:14px}
.col-card .tag{color:var(--sub);font-weight:700;font-size:12px}
.col-card h3{font-size:17.5px;font-weight:800;margin:6px 0}
.col-card p{font-size:14px;color:var(--muted)}
.col-card .meta{font-size:12px;color:var(--muted);margin-top:8px}

/* author hub */
.hub-head{background:linear-gradient(160deg,color-mix(in srgb,var(--main) 10%,#fff),var(--bg));border-bottom:1px solid var(--line);padding:40px 0}
.hub-head .av{width:70px;height:70px;border-radius:50%;background:var(--main);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:28px;margin-bottom:14px}
.admin-cta{background:color-mix(in srgb,var(--main) 8%,#fff);border:1px dashed var(--main);border-radius:12px;padding:16px 18px;margin:18px 0;display:none}

/* footer */
.site-foot{background:#23241f;color:#cfcec6;margin-top:50px;padding:40px 0 28px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;margin-bottom:24px}
.site-foot .fb{font-weight:900;font-size:18px;color:#fff;margin-bottom:8px}
.site-foot p{color:#9b9c92;font-size:13px;line-height:1.7}
.site-foot h5{font-size:13px;color:#fff;margin-bottom:10px;font-weight:700}
.site-foot a{color:#cfcec6;display:block;padding:3px 0;font-size:13.5px}
.site-foot a:hover{color:#fff}
.foot-bottom{border-top:1px solid #3a3b34;padding-top:18px;font-size:12.5px;color:#8a8b82;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.foot-bottom a{color:#b9bab0}

/* 404 */
.center404{text-align:center;padding:80px 20px}
.center404 .big{font-size:72px;font-weight:900;color:var(--main);letter-spacing:-2px}

@media(max-width:760px){
  .nav{display:none;position:absolute;top:62px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;padding:8px 20px 14px}
  .nav.open{display:flex}
  .nav a{padding:11px 4px;border-bottom:1px solid var(--line)}
  .menu-btn{display:block}
  .hero h1{font-size:27px}
  .foot-grid{grid-template-columns:1fr;gap:18px}
  .article h1{font-size:25px}
}