:root{
  --sand:#E1DBC9;--slate:#6B7B84;--brown:#5E4B3B;--pine:#4C533C;--charcoal:#3C3C3C;--pine-deep:#3F4631;
  --sand-dim:rgba(225,219,201,.62);--sand-faint:rgba(225,219,201,.28);
  --ink-dim:rgba(60,60,60,.78);--line-on-dark:rgba(225,219,201,.16);--line-on-light:rgba(60,60,60,.18);
  --serif:'Cormorant Garamond','Noto Serif TC',serif;--tc:'Noto Serif TC','Cormorant Garamond',serif;--mono:'IBM Plex Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--pine);color:var(--sand);font-family:var(--tc);font-weight:300;line-height:1.9;letter-spacing:.04em;-webkit-font-smoothing:antialiased}
body::after{content:'';position:fixed;inset:0;pointer-events:none;z-index:200;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E")}
nav{position:fixed;top:28px;left:50%;transform:translateX(-50%);z-index:100;display:flex;align-items:center;gap:clamp(.8rem,2.4vw,2.4rem);padding:.9rem clamp(1.2rem,3vw,2.4rem);border-radius:999px;background:rgba(76,83,60,.35);backdrop-filter:blur(16px) saturate(1.2);-webkit-backdrop-filter:blur(16px) saturate(1.2);border:1px solid rgba(255,255,255,.16);box-shadow:0 8px 32px rgba(0,0,0,.25);white-space:nowrap;overflow:hidden}
nav::before{content:'';position:absolute;width:120px;height:120px;border-radius:50%;left:var(--mx,-200px);top:var(--my,-200px);transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(225,219,201,.35) 0%,rgba(225,219,201,.08) 45%,transparent 70%);opacity:0;transition:opacity .4s ease;pointer-events:none;filter:blur(2px)}
nav:hover::before{opacity:1}
nav a{position:relative;z-index:1;color:#fff;text-decoration:none;font-family:var(--mono);font-size:.66rem;font-weight:300;letter-spacing:.32em;text-transform:uppercase;opacity:.85;transition:opacity .3s}
nav a:hover{opacity:1}
nav a.active{opacity:1;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:.2rem}
section{padding:clamp(5rem,10vw,8rem) clamp(1.5rem,6vw,6rem);position:relative}
.wide{max-width:1100px;margin:0 auto}
.mono-label{font-family:var(--mono);font-size:.66rem;letter-spacing:.4em;text-transform:uppercase;display:flex;align-items:center;gap:1rem}
.mono-label::before{content:'';width:2.2rem;height:1px;opacity:.6}
.theme-pine{background:var(--pine);color:var(--sand)}
.theme-pine .mono-label{color:rgba(225,219,201,.65)}
.theme-pine .mono-label::before{background:rgba(225,219,201,.6)}
.theme-sand{background:var(--sand);color:var(--charcoal)}
.theme-sand .mono-label{color:var(--brown)}
.theme-sand .mono-label::before{background:var(--brown)}
.theme-sand ::selection{background:var(--brown);color:var(--sand)}
.blog-hero{padding-top:clamp(10rem,18vw,14rem);padding-left:clamp(1.5rem,6vw,6rem);padding-right:clamp(1.5rem,6vw,6rem)}
.blog-hero h1{font-family:var(--serif);font-weight:400;font-style:italic;font-size:clamp(3.4rem,9vw,7rem);line-height:1;letter-spacing:-.01em;margin:1.8rem 0 2.2rem}
.blog-hero .sub{max-width:46ch;color:var(--sand-dim);font-size:clamp(.95rem,1.3vw,1.05rem)}
/* featured */
.featured{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);max-width:1100px;margin:0 auto;align-items:center}
.featured .f-img{overflow:hidden;border-radius:14px;aspect-ratio:4/5}
.featured .f-img img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.92) contrast(1.02);transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.featured a:hover .f-img img{transform:scale(1.05)}
.f-meta{font-family:var(--mono);font-size:.6rem;letter-spacing:.28em;text-transform:uppercase;color:var(--brown);display:flex;gap:1.4rem;margin-bottom:1.6rem;flex-wrap:wrap}
.f-body h2{font-family:var(--tc);font-weight:500;font-size:clamp(1.6rem,3.2vw,2.4rem);line-height:1.4;letter-spacing:.03em;color:var(--pine);margin-bottom:1.6rem}
.f-body p{color:var(--ink-dim);margin-bottom:1.4rem;font-size:clamp(.95rem,1.3vw,1.04rem);text-align:justify}
.f-body p.opening{font-family:var(--serif);font-style:italic;font-size:clamp(1.1rem,1.7vw,1.3rem);color:var(--charcoal);line-height:1.85}
.featured a{text-decoration:none;color:inherit;display:contents}
.read-on{display:inline-block;margin-top:.6rem;font-family:var(--mono);font-size:.62rem;letter-spacing:.32em;text-transform:uppercase;color:var(--brown);border-bottom:1px solid var(--line-on-light);padding-bottom:.3rem;transition:letter-spacing .3s,color .3s}
.featured a:hover .read-on{letter-spacing:.42em;color:var(--pine)}
/* archive */
.post-list{max-width:1100px;margin:0 auto;border-top:1px solid var(--line-on-dark)}
.post{display:grid;grid-template-columns:auto 1.5fr 2fr auto;gap:clamp(1.2rem,3vw,2.6rem);align-items:center;padding:clamp(1.6rem,3vw,2.4rem) 0;border-bottom:1px solid var(--line-on-dark);text-decoration:none;color:inherit;transition:padding-left .4s ease}
.post:hover{padding-left:1rem}
.post-num{font-family:var(--mono);font-size:.7rem;color:rgba(225,219,201,.5);letter-spacing:.2em}
.post .p-img{width:100%;aspect-ratio:3/2;overflow:hidden;border-radius:8px}
.post .p-img img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.9) contrast(1.02)}
.post .p-txt .cat{display:inline-block;font-family:var(--mono);font-size:.56rem;letter-spacing:.3em;text-transform:uppercase;color:rgba(225,219,201,.5);margin-bottom:.7rem}
.post h3{font-family:var(--tc);font-weight:500;font-size:clamp(1.1rem,2vw,1.4rem);letter-spacing:.06em;margin-bottom:.6rem;color:var(--sand)}
.post .p-txt p{color:var(--sand-dim);font-size:.88rem;max-width:48ch}
.post-date{font-family:var(--mono);font-size:.6rem;letter-spacing:.22em;color:rgba(225,219,201,.45);white-space:nowrap}
/* threads */
.threads-note{text-align:center}
.threads-note p{font-family:var(--serif);font-style:italic;font-size:clamp(1.15rem,2vw,1.5rem);color:var(--pine);max-width:36ch;margin:0 auto 1.6rem;line-height:1.9}
.threads-note a{font-family:var(--mono);font-size:.62rem;letter-spacing:.32em;text-transform:uppercase;color:var(--brown);text-decoration:none;border-bottom:1px solid var(--line-on-light);padding-bottom:.3rem}
.threads-note a:hover{color:var(--pine)}
/* ---------- 提問建議 (open-ended questions) ---------- */
.ask-ideas{max-width:820px;margin:0 auto;text-align:left}
.ai-head{font-family:var(--mono);font-size:.66rem;letter-spacing:.4em;text-transform:uppercase;color:var(--brown);display:flex;align-items:center;gap:1rem;margin-bottom:1.4rem}
.ai-head::before{content:'';width:2.2rem;height:1px;background:var(--brown);opacity:.6}
.ai-lead{font-family:var(--serif);font-style:italic;font-size:clamp(1.3rem,2.4vw,1.7rem);line-height:1.6;color:var(--pine);margin-bottom:1.4rem;max-width:24ch}
.ai-sub{font-size:.95rem;color:var(--ink-dim);margin-bottom:1rem;max-width:54ch;line-height:1.9}
.ai-tip{font-size:.92rem;color:var(--charcoal);margin-bottom:2.6rem;max-width:54ch;line-height:1.9;border-left:1px solid var(--brown);padding-left:1.2rem}
.ai-tip b{font-weight:500}
.ai-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.8rem,4vw,3rem)}
.ai-col h4{font-family:var(--tc);font-weight:500;font-size:1rem;letter-spacing:.08em;color:var(--pine);margin:0 0 1rem;padding-bottom:.6rem;border-bottom:1px solid var(--line-on-light)}
.ai-col h4 + ul{margin-bottom:1.8rem}
.ai-col ul{list-style:none;display:flex;flex-direction:column;gap:.7rem}
.ai-col li{font-size:.9rem;line-height:1.7;color:var(--ink-dim);padding-left:1.1rem;position:relative}
.ai-col li::before{content:'—';position:absolute;left:0;color:var(--slate);font-size:.7rem;top:.1rem}
@media(max-width:880px){.ai-grid{grid-template-columns:1fr}}
footer{background:var(--charcoal);padding:4rem clamp(1.5rem,6vw,6rem) 3rem;display:flex;flex-direction:column;align-items:center;gap:1.6rem}
footer .fm{font-family:var(--serif);font-style:italic;font-size:1.4rem;color:var(--sand)}
footer a{color:var(--sand-dim);font-family:var(--mono);font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;text-decoration:none;transition:color .3s}
footer a:hover{color:var(--sand)}
footer .copy{font-family:var(--mono);font-size:.58rem;letter-spacing:.2em;color:rgba(225,219,201,.35)}
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1s ease,transform 1s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
@media(max-width:880px){
  nav{gap:1rem;padding:.75rem 1.2rem;top:18px;max-width:calc(100vw - 2rem)}nav a{font-size:.56rem;letter-spacing:.2em}
  .featured{grid-template-columns:1fr}
  .post{grid-template-columns:auto 1fr;gap:1.2rem}
  .post .p-img{display:none}
  .post-date{grid-column:2;margin-top:.4rem}
}