:root{
  --bg:#ffffff;
  --fg:#1c1e21;
  --muted:#65676b;
  --pink:#ed4b6e;
  --pink-dark:#d63c5e;
  --pink-soft:#ffe7ec;
  --card:#fff5f7;
  --border:#f3d8de;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Noto Sans TC",Roboto,sans-serif;
  color:var(--fg);background:var(--bg);line-height:1.6;
}
a{color:var(--pink-dark);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}

/* Nav */
header.site{
  position:sticky;top:0;z-index:50;
  background:var(--pink);box-shadow:0 2px 8px rgba(237,75,110,.25);
}
.nav{
  max-width:1120px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{
  font-weight:800;font-size:20px;color:#fff;
  display:flex;align-items:center;gap:8px;
}
.logo img{width:32px;height:32px;border-radius:50%;background:#fff;padding:2px}
.nav ul{list-style:none;display:flex;gap:22px;align-items:center}
.nav ul a{color:#fff;font-weight:500;font-size:15px;opacity:.95}
.nav ul a:hover{opacity:1;text-decoration:none}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:24px;cursor:pointer}

/* Layout */
main{min-height:60vh}
section{padding:64px 24px}
.container{max-width:1120px;margin:0 auto}
.section-title{
  font-size:28px;font-weight:800;margin-bottom:8px;color:var(--pink-dark);
  display:flex;align-items:center;gap:10px;
}
.section-title .heart{color:var(--pink)}
.section-sub{color:var(--muted);margin-bottom:32px;font-size:15px}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  margin-bottom:24px;gap:16px;flex-wrap:wrap;
}
.section-head .more{color:var(--pink-dark);font-size:14px;font-weight:600}

/* Buttons */
.btn{
  display:inline-block;padding:12px 26px;border-radius:999px;
  font-weight:600;font-size:15px;transition:.2s;border:2px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--pink);color:#fff}
.btn-primary:hover{background:var(--pink-dark);text-decoration:none;transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--pink-dark);border-color:var(--pink)}
.btn-ghost:hover{background:var(--pink-soft);text-decoration:none}

/* Category chip */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--pink-soft);color:var(--pink-dark);
  font-size:12px;font-weight:600;
}

/* Post cards */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:24px;transition:.2s;display:flex;flex-direction:column;gap:12px;
}
.post-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(237,75,110,.12);text-decoration:none}
.post-card h3{
  font-size:18px;font-weight:700;color:var(--fg);line-height:1.4;
}
.post-card .excerpt{color:var(--muted);font-size:14px;line-height:1.6;flex:1}
.post-card .meta{
  color:var(--muted);font-size:12px;display:flex;justify-content:space-between;
  padding-top:8px;border-top:1px solid var(--border);
}

/* Post list (compact) */
.post-list{display:flex;flex-direction:column;gap:12px}
.post-item{
  display:flex;justify-content:space-between;gap:16px;
  padding:16px 20px;background:#fff;border:1px solid var(--border);
  border-radius:12px;transition:.15s;
}
.post-item:hover{border-color:var(--pink);text-decoration:none;transform:translateX(4px)}
.post-item .t{color:var(--fg);font-weight:600;font-size:15px;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-item .d{color:var(--muted);font-size:13px;flex-shrink:0}

/* Category grid */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat-card{
  background:linear-gradient(135deg,var(--pink),#ff7a95);
  color:#fff;padding:24px 20px;border-radius:16px;text-align:center;
  transition:.2s;font-weight:700;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(237,75,110,.3);text-decoration:none}
.cat-card .ic{font-size:28px;margin-bottom:8px}
.cat-card .n{font-size:15px}

/* Footer */
footer{
  background:var(--pink);color:#fff;
  padding:32px 24px;text-align:center;font-size:14px;
}
footer a{color:#fff;margin:0 8px;opacity:.9}
footer p{margin:4px 0}

/* Empty / loading */
.empty, .loading{
  text-align:center;color:var(--muted);padding:40px 20px;
  background:#fff;border:1px dashed var(--border);border-radius:16px;
}

/* Forms */
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:24px;box-shadow:0 4px 16px rgba(237,75,110,.08);
}
.form-card input, .form-card select, .form-card textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);
  border-radius:10px;font-size:15px;font-family:inherit;
  background:#fff;color:var(--fg);transition:.2s;margin-bottom:12px;
}
.form-card input:focus, .form-card select:focus, .form-card textarea:focus{
  outline:none;border-color:var(--pink);box-shadow:0 0 0 3px var(--pink-soft);
}
.form-card textarea{min-height:120px;resize:vertical}
.form-card label{
  display:block;font-size:13px;color:var(--muted);
  margin-bottom:6px;font-weight:600;
}

/* Mobile */
@media (max-width:900px){
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:640px){
  .post-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .nav ul{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:var(--pink);flex-direction:column;padding:16px 24px;gap:16px;
  }
  .nav ul.open{display:flex}
  .menu-btn{display:block}
  section{padding:48px 20px}
  .section-title{font-size:22px}
}