/* Noverix 书籍站 — 共享样式 */
:root{
  --bg:#FAF9F5; --ink:#1F1E1C; --terra:#C2613F; --terra-soft:#D97757;
  --muted:#605B51; --muted2:#6B6659; --line:#E9E5DA; --line2:#E5E1D6;
  --panel:#F0EEE6; --panel2:#F2EAE3; --foot:#211F1B;
  --serif:'Newsreader',Georgia,serif; --sans:'Hanken Grotesk',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block}
::selection{background:#E9B6A2;color:#2A1A12}

.wrap{max-width:1100px;margin:0 auto;padding:0 32px}

/* NAV */
.nav{border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:50}
.nav-in{max-width:1100px;margin:0 auto;padding:18px 32px;display:flex;align-items:center;gap:40px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand img{width:30px;height:28px;object-fit:contain}
.brand span{font-family:var(--serif);font-size:25px;font-weight:500;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:30px;font-size:15px;font-weight:500}
.nav-links a{color:#4A463E;transition:color .15s}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--terra)}
.nav-cta{margin-left:auto;font-size:15px;font-weight:600;padding:9px 18px;border:1px solid #D8D3C6;border-radius:9px;background:var(--bg);white-space:nowrap;flex-shrink:0;transition:border-color .15s,background .15s}
.nav-cta:hover{border-color:var(--terra);background:#fff}
.nav-burger{display:none}

/* FOOTER */
.foot{background:var(--foot);color:#9A948A;margin-top:auto}
.foot-in{max-width:1100px;margin:0 auto;padding:26px 32px;display:flex;align-items:center;justify-content:space-between;font-size:14px;flex-wrap:wrap;gap:14px}
.foot-brand{display:flex;align-items:center;gap:9px;color:#CFC9BD}
.foot-brand img{width:22px;height:20px;object-fit:contain}
.foot-brand span{font-family:var(--serif);font-size:18px;color:var(--bg)}
.foot-meta{display:flex;flex-direction:column;gap:4px;text-align:right;line-height:1.5}
.foot-op{color:#7E7869}

/* generic */
.page{min-height:100vh;display:flex;flex-direction:column}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--terra)}
.serif{font-family:var(--serif);font-weight:400}

/* HERO (home) */
.hero{padding:72px 0 40px}
.hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(40px,5.5vw,64px);line-height:1.04;letter-spacing:-.025em;margin-top:14px}
.hero p{margin-top:20px;max-width:520px;font-size:18px;line-height:1.6;color:var(--muted)}

/* CARD GRID */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:8px 0 88px}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line2);border-radius:16px;overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(120,70,45,.13);border-color:#E0CFC2}
.card-cover{aspect-ratio:3/4;overflow:hidden;background:var(--panel)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .card-cover img{transform:scale(1.04)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-size:12px;font-weight:600;color:#9A6A50;background:var(--panel2);border:1px solid #E7D6CB;border-radius:999px;padding:3px 10px;white-space:nowrap}
.card-title{font-family:var(--serif);font-size:26px;font-weight:500;line-height:1.15;letter-spacing:-.01em;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.vol{font-size:14px;font-weight:600;font-family:var(--sans);color:var(--terra);background:#F6E4DA;border-radius:6px;padding:2px 8px}
.card-author{font-size:14px;color:var(--muted2)}
.card-foot{margin-top:auto;padding-top:6px;font-size:14px;font-weight:600;color:var(--terra);display:flex;align-items:center;gap:6px}
.card:hover .card-foot .arr{transform:translateX(3px)}
.arr{transition:transform .18s}

/* DETAIL */
.back{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--muted2);padding:26px 0 4px}
.back:hover{color:var(--ink)}
.detail-top{display:grid;grid-template-columns:300px 1fr;gap:48px;padding:18px 0 56px;align-items:start}
.detail-cover{border-radius:12px;overflow:hidden;box-shadow:0 22px 50px rgba(120,70,45,.22);position:sticky;top:96px}
.detail-cover img{width:100%;height:auto}
.detail-genre{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.detail-title{font-family:var(--serif);font-weight:400;font-size:clamp(36px,5vw,56px);line-height:1.05;letter-spacing:-.02em;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.detail-title .vol{font-size:18px;padding:4px 12px}
.detail-sub{margin-top:14px;font-family:var(--serif);font-style:italic;font-size:20px;color:var(--terra)}
.detail-author{margin-top:18px;font-size:17px;color:var(--muted)}
.detail-author b{color:var(--ink);font-weight:600}
.read-btn{display:inline-flex;align-items:center;gap:10px;margin-top:28px;font-size:16px;font-weight:600;padding:14px 28px;border-radius:12px;background:var(--ink);color:var(--bg);transition:background .15s,transform .15s}
.read-btn:hover{background:#3a362f;transform:translateY(-2px)}

.section{padding:40px 0;border-top:1px solid var(--line)}
.section h2{font-family:var(--serif);font-weight:400;font-size:30px;letter-spacing:-.01em;margin-bottom:22px;display:flex;align-items:center;gap:12px}
.section h2 .n{font-size:14px;font-family:var(--sans);font-weight:600;color:var(--terra);background:#F6E4DA;border-radius:7px;padding:3px 9px}
.synopsis{font-size:19px;line-height:1.8;color:#3a372f;max-width:760px;text-wrap:pretty}

.chars{display:flex;flex-direction:column;gap:14px;max-width:760px}
.char{display:flex;gap:18px;align-items:baseline;padding:16px 20px;background:#fff;border:1px solid var(--line2);border-radius:12px}
.char .pair{font-family:var(--serif);font-size:21px;white-space:nowrap}
.char .note{font-size:15px;color:var(--muted2);line-height:1.5}

.chapters{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:860px}
.chap{display:flex;align-items:center;gap:16px;padding:16px 18px;background:#fff;border:1px solid var(--line2);border-radius:12px}
.chap .idx{font-family:var(--serif);font-size:18px;color:var(--terra);min-width:26px}
.chap .ct{font-size:17px;font-weight:500}
.chap .cg{margin-left:auto;font-size:12px;font-weight:600;color:#9A6A50;background:var(--panel2);border:1px solid #E7D6CB;border-radius:999px;padding:3px 10px;white-space:nowrap}

.excerpt{max-width:760px;background:var(--panel);border:1px solid var(--line2);border-left:3px solid var(--terra);border-radius:12px;padding:26px 30px}
.excerpt .lbl{font-family:var(--serif);font-size:18px;color:var(--terra);margin-bottom:12px}
.excerpt p{font-size:18px;line-height:1.8;color:#3a372f;text-wrap:pretty}

@media(max-width:820px){
  .nav-links{display:none}
  .grid{grid-template-columns:1fr 1fr}
  .detail-top{grid-template-columns:1fr;gap:28px}
  .detail-cover{position:static;max-width:240px}
  .chapters{grid-template-columns:1fr}
}
@media(max-width:560px){
  .wrap{padding:0 20px}
  .nav-in{padding:16px 20px;gap:16px}
  .foot-in{padding:24px 20px;flex-direction:column;align-items:flex-start}
  .foot-meta{text-align:left}
  .grid{grid-template-columns:1fr;gap:22px}
  .hero{padding:48px 0 28px}
  .char{flex-direction:column;gap:6px}
  .char .pair{white-space:normal}
}