/* roulang page: index */
:root{
  --ink:#1C1710;
  --ink-2:#2A2318;
  --ink-line:rgba(246,241,228,.14);
  --paper:#F6F1E4;
  --paper-2:#FDFAF2;
  --paper-3:#EFE8D6;
  --amber:#E0A83E;
  --amber-deep:#B5791D;
  --amber-soft:#FBEFD6;
  --bamboo:#4C7A61;
  --bamboo-soft:#DDEAE1;
  --cinnabar:#BE4A2C;
  --line:#D9D0BC;
  --text:#241E15;
  --muted:#6E6353;
  --on-ink:#F3ECDC;
  --ok:#3F7A55;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(60,45,20,.06),0 8px 24px -14px rgba(60,45,20,.28);
  --shadow-2:0 18px 40px -22px rgba(60,45,20,.42);
  --font-serif:"Noto Serif SC","Songti SC",SimSun,"Times New Roman",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--amber-deep);}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;letter-spacing:.02em;line-height:1.3;margin:0;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}
.section{padding-top:72px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:28px;
}
.section-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(23px,2.6vw,32px);
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:3px;
  border-radius:2px;
  background:var(--amber);
}
.section-note{
  font-size:14px;
  color:var(--muted);
  max-width:560px;
  line-height:1.75;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:14px;
  font-weight:500;
  font-family:var(--font-sans);
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn svg{width:16px;height:16px;flex:0 0 auto;}
.btn-primary{background:var(--amber);color:#1C1710;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--amber-deep);color:#FDFAF2;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-outline{background:var(--paper-2);border-color:var(--line);color:var(--text);}
.btn-outline:hover{border-color:var(--amber);color:var(--amber-deep);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-outline:active{transform:translateY(0);box-shadow:none;}
.btn-ghost-ink{background:transparent;border-color:rgba(243,236,220,.4);color:var(--on-ink);}
.btn-ghost-ink:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-1px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;pointer-events:none;transform:none;box-shadow:none;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:500;
  color:var(--amber-deep);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:gap .2s ease,color .2s ease,border-color .2s ease;
}
.text-link:hover{color:var(--amber-deep);border-bottom-color:var(--amber-deep);gap:10px;}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  line-height:1;
  font-weight:500;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-bamboo{background:var(--bamboo-soft);color:var(--bamboo);}
.badge-time{background:var(--paper-3);color:var(--muted);}
.badge-amber{background:var(--amber-soft);color:var(--amber-deep);}
.badge-cinnabar{background:rgba(190,74,44,.1);color:var(--cinnabar);}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:20px 0 0;
  background:linear-gradient(180deg,var(--paper) 62%,rgba(246,241,228,0));
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--ink);
  border:1px solid var(--ink-line);
  border-radius:var(--r-l);
  padding:13px 20px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck .nav-panel{box-shadow:var(--shadow-2);}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--on-ink);
}
.brand:hover{color:var(--amber);}
.brand-mark{
  position:relative;
  width:34px;
  height:34px;
  border-radius:50%;
  background:var(--amber);
  flex:0 0 auto;
  display:grid;
  place-items:center;
}
.brand-mark::before{
  content:"";
  width:20px;height:20px;border-radius:50%;
  border:1.5px solid rgba(28,23,16,.5);
}
.brand-mark::after{
  content:"";
  position:absolute;
  width:6px;height:6px;border-radius:50%;
  background:rgba(28,23,16,.65);
}
.brand-text{display:flex;flex-direction:column;line-height:1;}
.brand-main{
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--on-ink);
}
.brand:hover .brand-main{color:var(--amber);}
.brand-sub{
  margin-top:4px;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--amber);
}
.nav-cats{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0 auto;
  min-width:0;
}
.nav-cats a{
  display:flex;
  align-items:center;
  gap:7px;
  padding:6px 10px 6px 6px;
  border-radius:12px;
  font-size:13px;
  color:rgba(243,236,220,.86);
  position:relative;
  white-space:nowrap;
  transition:background .22s ease,color .22s ease;
}
.nav-cats a .nav-ico{
  width:28px;height:28px;
  border-radius:8px;
  background:rgba(246,241,228,.08);
  display:grid;place-items:center;
  flex:0 0 auto;
  transition:background .22s ease,color .22s ease;
}
.nav-cats a .nav-ico svg{width:16px;height:16px;}
.nav-cats a:hover{background:rgba(224,168,62,.2);color:var(--amber);}
.nav-cats a:hover .nav-ico{background:rgba(224,168,62,.22);color:var(--amber);}
.nav-cats a.is-active{background:rgba(224,168,62,.14);color:var(--amber);}
.nav-cats a.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--amber);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-actions .btn{height:40px;padding:0 18px;font-size:13px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid rgba(243,236,220,.25);
  background:rgba(246,241,228,.06);
  color:var(--on-ink);
  cursor:pointer;
  place-items:center;
  transition:background .22s ease,border-color .22s ease;
}
.nav-toggle:hover{background:rgba(224,168,62,.2);border-color:var(--amber);color:var(--amber);}
.nav-toggle svg{width:20px;height:20px;}

/* ---------- Mobile drawer ---------- */
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(18,14,9,.56);
  opacity:0;
  visibility:hidden;
  transition:opacity .18s ease,visibility .18s ease;
}
.nav-drawer.is-open{opacity:1;visibility:visible;}
.nav-drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(88vw,360px);
  height:100%;
  background:var(--ink);
  border-left:1px solid var(--ink-line);
  padding:24px 22px 28px;
  display:flex;
  flex-direction:column;
  transform:translateX(24px);
  transition:transform .22s ease;
  overflow-y:auto;
}
.nav-drawer.is-open .nav-drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(243,236,220,.28);
  background:transparent;color:var(--on-ink);cursor:pointer;
  display:grid;place-items:center;
  transition:border-color .2s ease,color .2s ease;
}
.drawer-close:hover{border-color:var(--amber);color:var(--amber);}
.drawer-close svg{width:18px;height:18px;}
.drawer-list{display:flex;flex-direction:column;gap:8px;}
.drawer-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:48px;
  padding:0 16px;
  border-radius:12px;
  background:rgba(246,241,228,.06);
  color:var(--on-ink);
  font-size:14px;
  transition:background .2s ease,color .2s ease;
}
.drawer-list a:hover{background:rgba(224,168,62,.2);color:var(--amber);}
.drawer-list a span{color:rgba(243,236,220,.5);font-size:13px;}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--ink-line);}
.drawer-foot .btn{width:100%;margin-bottom:12px;}
.drawer-foot p{font-size:12px;color:rgba(243,236,220,.55);line-height:1.7;}

/* ---------- Hero ---------- */
.hero{padding-top:32px;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:28px;
  align-items:stretch;
}
.hero-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-l);
  border:1px solid var(--ink-line);
  padding:48px 44px;
  color:var(--on-ink);
  background-image:linear-gradient(180deg,rgba(28,23,16,.88),rgba(28,23,16,.7)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.hero-panel .ring{
  position:absolute;
  right:-96px;
  bottom:-118px;
  width:320px;
  height:320px;
  border-radius:50%;
  border:1px solid rgba(224,168,62,.28);
  box-shadow:inset 0 0 0 26px rgba(224,168,62,.07),inset 0 0 0 58px rgba(224,168,62,.045);
  pointer-events:none;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  align-self:flex-start;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--amber);
  background:rgba(224,168,62,.12);
  border:1px solid rgba(224,168,62,.3);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:22px;
}
.hero-panel h1{
  font-size:clamp(28px,3.6vw,44px);
  color:var(--on-ink);
  line-height:1.28;
  max-width:16em;
}
.hero-sub{
  margin-top:16px;
  font-size:17px;
  color:var(--amber);
  font-family:var(--font-serif);
  letter-spacing:.03em;
}
.hero-lead{
  margin-top:12px;
  font-size:15px;
  line-height:1.85;
  color:rgba(243,236,220,.8);
  max-width:34em;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  margin-top:34px;
  padding-top:22px;
  border-top:1px solid var(--ink-line);
}
.hero-stats div{display:flex;flex-direction:column;gap:3px;}
.hero-stats strong{
  font-family:var(--font-serif);
  font-size:24px;
  font-weight:600;
  color:var(--amber);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.hero-stats span{font-size:13px;color:rgba(243,236,220,.66);}
.hero-side{position:relative;display:flex;}
.hero-side::before{
  content:"";
  position:absolute;
  inset:14px -10px -10px 14px;
  border-radius:var(--r-l);
  background:var(--paper-3);
  border:1px solid var(--line);
}
.hero-cover{
  position:relative;
  z-index:1;
  width:100%;
  display:flex;
  flex-direction:column;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.hero-cover-media{overflow:hidden;}
.hero-cover-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .5s ease;
}
.hero-cover:hover .hero-cover-media img{transform:scale(1.03);}
.hero-cover-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;}
.hero-cover-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.hero-cover h3{font-size:18px;line-height:1.45;}
.hero-cover p{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- Collections ---------- */
.coll-grid{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:24px;
}
.coll-card{
  grid-column:span 2;
  position:relative;
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:24px 22px 20px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  box-shadow:var(--shadow-1);
  transition:border-color .28s ease,box-shadow .28s ease,transform .28s ease;
}
.coll-card:hover{
  border-color:rgba(224,168,62,.55);
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
}
.coll-card.wide{
  grid-column:span 3;
  flex-direction:row;
  align-items:stretch;
  gap:20px;
  padding:20px;
}
.coll-idx{
  position:absolute;
  top:14px;
  left:14px;
  z-index:2;
  width:28px;
  height:28px;
  border-radius:50%;
  background:var(--amber);
  color:#1C1710;
  font-family:var(--font-serif);
  font-size:14px;
  font-weight:600;
  display:grid;
  place-items:center;
  box-shadow:0 2px 8px rgba(60,45,20,.22);
}
.coll-media{
  overflow:hidden;
  border-radius:var(--r-s);
  border:1px solid rgba(28,23,16,.08);
  flex:0 0 42%;
  min-width:0;
}
.coll-media img{
  width:100%;
  height:100%;
  min-height:170px;
  object-fit:cover;
  transition:transform .28s ease;
}
.coll-card:hover .coll-media img{transform:scale(1.03);}
.coll-body{display:flex;flex-direction:column;gap:10px;min-width:0;flex:1;}
.coll-card h3{font-size:18px;line-height:1.4;}
.coll-card p{
  font-size:13.5px;
  color:var(--muted);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.coll-foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px dashed var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.coll-arrow{
  width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--amber-deep);
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.coll-card:hover .coll-arrow{background:var(--amber);border-color:var(--amber);color:#1C1710;transform:translateX(2px);}

/* ---------- Featured entries ---------- */
.entry-stack{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.entry{
  display:grid;
  grid-template-columns:224px minmax(0,1fr);
  gap:24px;
  padding:22px;
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.entry:last-child{border-bottom:0;}
.entry:hover{background:#fffdf7;box-shadow:inset 3px 0 0 var(--amber);}
.entry-media{
  overflow:hidden;
  border-radius:var(--r-s);
  border:1px solid rgba(28,23,16,.08);
}
.entry-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .28s ease;
}
.entry:hover .entry-media img{transform:scale(1.03);}
.entry-body{display:flex;flex-direction:column;gap:9px;min-width:0;}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.entry-body h3{font-size:18px;line-height:1.45;}
.entry-body h3 a:hover{color:var(--amber-deep);}
.entry-body p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-body .text-link{margin-top:auto;align-self:flex-start;}

/* ---------- Latest (CMS) ---------- */
.post-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:24px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  box-shadow:var(--shadow-1);
  transition:border-color .28s ease,box-shadow .28s ease,transform .28s ease;
}
.post-card:hover{
  border-color:rgba(224,168,62,.55);
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
}
.post-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.post-card h3{font-size:17.5px;line-height:1.5;}
.post-card h3 a:hover{color:var(--amber-deep);}
.post-card p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card .text-link{margin-top:auto;align-self:flex-start;}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-m);
  padding:44px 24px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
  text-align:center;
  color:var(--muted);
  background:rgba(253,250,242,.6);
}
.empty-state svg{width:44px;height:44px;color:var(--line);}
.empty-state p{font-size:15px;}

/* ---------- Related ---------- */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .28s ease,box-shadow .28s ease,transform .28s ease;
}
.related-card:hover{
  border-color:rgba(224,168,62,.55);
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
}
.related-card .rc-media{overflow:hidden;}
.related-card .rc-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .28s ease;
}
.related-card:hover .rc-media img{transform:scale(1.03);}
.related-card .rc-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1;}
.related-card h3{font-size:17px;line-height:1.45;}
.related-card p{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- CTA banner ---------- */
.cta-banner{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  padding:48px;
  border-radius:var(--r-l);
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 100%);
  border:1px solid var(--ink-line);
  color:var(--on-ink);
  box-shadow:var(--shadow-2);
}
.cta-banner .ring{
  position:absolute;
  left:-80px;
  top:-100px;
  width:280px;height:280px;
  border-radius:50%;
  border:1px solid rgba(224,168,62,.22);
  box-shadow:inset 0 0 0 24px rgba(224,168,62,.055),inset 0 0 0 54px rgba(224,168,62,.035);
  pointer-events:none;
}
.cta-copy{position:relative;max-width:620px;}
.cta-copy h2{color:var(--on-ink);font-size:clamp(22px,2.6vw,30px);}
.cta-copy p{margin-top:12px;font-size:14.5px;color:rgba(243,236,220,.75);line-height:1.8;}
.cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:8px 28px;
  box-shadow:var(--shadow-1);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:20px 48px 20px 0;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--amber-deep);}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:10px;
  top:50%;
  transform:translateY(-50%);
  font-size:20px;
  line-height:1;
  color:var(--amber-deep);
  transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-answer{
  padding:0 48px 22px 0;
  font-size:14px;
  color:var(--muted);
  line-height:1.85;
}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:72px;
  background:var(--ink);
  border-top:1px solid rgba(224,168,62,.35);
  color:rgba(243,236,220,.72);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;line-height:1.8;color:rgba(243,236,220,.66);max-width:280px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.icon-btn{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid rgba(243,236,220,.28);
  background:transparent;
  color:var(--on-ink);
  display:grid;place-items:center;
  cursor:pointer;
  transition:border-color .22s ease,color .22s ease,background .22s ease,transform .22s ease;
}
.icon-btn:hover{border-color:var(--amber);color:var(--amber);background:rgba(224,168,62,.12);transform:translateY(-1px);}
.icon-btn:active{transform:translateY(0);}
.icon-btn svg{width:17px;height:17px;}
.footer-col h4{
  font-family:var(--font-serif);
  font-size:15px;
  color:var(--on-ink);
  margin-bottom:16px;
  letter-spacing:.06em;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:13.5px;color:rgba(243,236,220,.72);transition:color .2s ease,padding-left .2s ease;}
.footer-col ul a:hover{color:var(--amber);padding-left:4px;}
.sub-form{display:flex;flex-direction:column;gap:10px;margin-top:4px;}
.sub-form label{font-size:13px;color:rgba(243,236,220,.72);}
.sub-form input{
  height:44px;
  border-radius:var(--r-s);
  border:1px solid rgba(243,236,220,.22);
  background:rgba(246,241,228,.06);
  color:var(--on-ink);
  padding:0 14px;
  font-size:14px;
  font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.sub-form input::placeholder{color:rgba(243,236,220,.42);}
.sub-form input:focus{
  outline:none;
  border-color:var(--amber);
  background:rgba(246,241,228,.1);
  box-shadow:0 0 0 3px rgba(224,168,62,.18);
}
.sub-form .btn{width:100%;}
.form-tip{
  display:none;
  margin-top:6px;
  padding:10px 14px;
  border-radius:var(--r-s);
  background:rgba(76,122,97,.22);
  border:1px solid rgba(76,122,97,.5);
  color:#BFE3CC;
  font-size:13px;
  line-height:1.6;
}
.form-tip.is-show{display:block;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(243,236,220,.14);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:rgba(243,236,220,.5);
}
.footer-bottom a{color:rgba(243,236,220,.6);}
.footer-bottom a:hover{color:var(--amber);}
.to-top{
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid rgba(243,236,220,.28);
  background:transparent;
  color:var(--on-ink);
  display:grid;place-items:center;
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.to-top:hover{border-color:var(--amber);color:var(--amber);background:rgba(224,168,62,.12);}
.to-top svg{width:16px;height:16px;}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .nav-cats{display:none;}
  .nav-actions{margin-left:auto;}
  .nav-toggle{display:grid;}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-side::before{display:none;}
  .hero-panel{padding:40px 34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  .container{padding:0 20px;}
  .section{padding-top:56px;}
  .coll-card{grid-column:span 3;}
  .coll-card.wide{grid-column:span 6;flex-direction:column;}
  .coll-media{flex:0 0 auto;}
  .coll-media img{min-height:0;aspect-ratio:16/10;height:auto;}
  .entry{grid-template-columns:180px minmax(0,1fr);gap:18px;}
  .cta-banner{padding:36px 28px;}
}
@media (max-width:760px){
  .post-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .entry{grid-template-columns:1fr;padding:18px;}
  .entry-media img{aspect-ratio:16/9;}
  .nav-actions .btn-ghost-ink{display:none;}
}
@media (max-width:640px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .site-header{padding-top:12px;}
  .nav-panel{padding:10px 14px;gap:10px;border-radius:var(--r-m);}
  .brand-mark{width:30px;height:30px;}
  .brand-main{font-size:16px;}
  .brand-sub{font-size:11px;margin-top:3px;letter-spacing:.12em;}
  .nav-actions .btn{display:none;}
  .section{padding-top:44px;}
  .hero{padding-top:20px;}
  .hero-panel{padding:32px 22px;}
  .hero-stats{gap:20px;}
  .hero-stats strong{font-size:21px;}
  .coll-grid{gap:16px;}
  .coll-card,.coll-card.wide{grid-column:span 6;}
  .coll-card{padding:20px 18px 18px;}
  .coll-card.wide{padding:16px;}
  .coll-body h3{font-size:17px;}
  .post-card{padding:20px;}
  .faq-wrap{padding:4px 18px;}
  .faq-item summary{padding:18px 40px 18px 0;font-size:14.5px;}
  .faq-answer{padding:0 0 20px;font-size:13.5px;}
  .cta-banner{padding:30px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-title::before{top:4px;bottom:4px;}
}

/* roulang page: article */
:root{
  --ink:#1C1710;
  --ink-2:#2A2318;
  --ink-line:rgba(246,241,228,.14);
  --paper:#F6F1E4;
  --paper-2:#FDFAF2;
  --paper-3:#EFE8D6;
  --amber:#E0A83E;
  --amber-deep:#B5791D;
  --amber-soft:#FBEFD6;
  --bamboo:#4C7A61;
  --bamboo-soft:#DDEAE1;
  --cinnabar:#BE4A2C;
  --line:#D9D0BC;
  --text:#241E15;
  --muted:#6E6353;
  --on-ink:#F3ECDC;
  --ok:#3F7A55;
  --warn:#C08A24;
  --err:#B03A2A;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(60,45,20,.06),0 8px 24px -14px rgba(60,45,20,.28);
  --shadow-2:0 18px 40px -22px rgba(60,45,20,.42);
  --serif:"Noto Serif SC","Songti SC",SimSun,serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 85% -10%,rgba(224,168,62,.16),transparent 60%),
    var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--amber-deep);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:.02em;line-height:1.3;}
p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:70;padding:20px 0 0;transition:padding .24s ease;}
.site-header.is-stuck{padding-top:10px;}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  min-height:76px;padding:12px 16px;
  background:var(--ink);
  border:1px solid var(--ink-line);
  border-radius:var(--r-l);
  box-shadow:0 0 0 1px rgba(28,23,16,.5);
  transition:box-shadow .24s ease;
}
.site-header.is-stuck .nav-panel{box-shadow:var(--shadow-2);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--on-ink);}
.brand-mark{
  width:32px;height:32px;border-radius:50%;
  background:
    radial-gradient(circle,var(--ink) 0 26%,transparent 27%),
    radial-gradient(circle,var(--amber) 0 55%,transparent 56%),
    radial-gradient(circle,var(--amber-deep) 0 82%,transparent 83%),
    var(--amber);
  box-shadow:inset 0 0 0 1px rgba(28,23,16,.35);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-family:var(--serif);font-size:18px;font-weight:600;letter-spacing:.04em;color:var(--on-ink);}
.brand-sub{font-size:12px;letter-spacing:.24em;color:var(--amber);}
.nav-cats{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0;}
.nav-cats a{
  display:flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:var(--r-s);
  font-size:13.5px;color:rgba(243,236,220,.82);
  background:rgba(246,241,228,.06);
  border:1px solid transparent;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-cats a:hover{background:rgba(224,168,62,.20);color:var(--amber);}
.nav-cats a.active{background:rgba(224,168,62,.22);color:var(--amber);border-color:rgba(224,168,62,.35);}
.nav-ico{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:rgba(246,241,228,.08);flex:0 0 auto;}
.nav-ico svg{width:16px;height:16px;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto;}
.nav-actions .btn{padding:0 18px;height:40px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--ink-line);color:var(--on-ink);
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;}
.nav-drawer{
  display:none;margin-top:10px;padding:12px;
  background:var(--ink-2);border:1px solid var(--ink-line);
  border-radius:var(--r-l);
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:transform .18s ease,opacity .18s ease;
}
.nav-drawer.open{transform:translateY(0);opacity:1;pointer-events:auto;}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--r-s);
  color:var(--on-ink);font-size:15px;
  border-bottom:1px solid var(--ink-line);
}
.nav-drawer a:last-of-type{border-bottom:0;}
.nav-drawer a::after{content:"›";color:var(--amber);font-size:18px;line-height:1;}
.nav-drawer .drawer-foot{margin-top:10px;padding-top:12px;border-top:1px solid var(--ink-line);}
.nav-drawer .drawer-foot .btn{width:100%;justify-content:center;}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;white-space:nowrap;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn:active{transform:translateY(0);box-shadow:none;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.btn-primary{background:var(--amber);color:var(--ink);}
.btn-primary:hover{background:var(--amber-deep);color:#fff;}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber-deep);}
.btn-ghost-ink{background:transparent;border-color:rgba(243,236,220,.4);color:var(--on-ink);}
.btn-ghost-ink:hover{border-color:var(--amber);background:var(--amber);color:var(--ink);}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--amber-deep);}
.btn-text svg{width:16px;height:16px;transition:transform .18s ease;}
.btn-text:hover svg{transform:translateX(2px);}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-grid;place-items:center;
  border:1px solid var(--line);color:var(--muted);background:var(--paper-2);
  transition:color .18s ease,border-color .18s ease,transform .18s ease,background .18s ease;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{color:var(--amber-deep);border-color:var(--amber);transform:translateY(-1px);}
.icon-btn:active{transform:translateY(0);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;line-height:1;letter-spacing:.02em;
}
.badge-cat{background:var(--bamboo-soft);color:#2F5343;}
.badge-time{background:var(--paper-3);color:var(--muted);}
.badge-flag{background:rgba(190,74,44,.10);color:var(--cinnabar);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap;}
.sec-title{position:relative;padding-left:16px;font-size:clamp(23px,2.8vw,34px);}
.sec-title::before{content:"";position:absolute;left:0;top:.22em;width:3px;height:1.05em;background:var(--amber);border-radius:2px;}
.sec-desc{margin-top:10px;font-size:14.5px;color:var(--muted);max-width:620px;}

/* ---------- breadcrumb ---------- */
.crumb{padding:26px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"›";color:var(--line);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--amber-deep);text-decoration:underline;text-underline-offset:4px;}
.crumb .current{color:var(--text);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- article layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;
  align-items:start;padding:26px 0 0;
}
.article-main{min-width:0;}
.article-hero{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-l);
  padding:30px 32px;box-shadow:var(--shadow-1);
}
.article-hero h1{
  font-size:clamp(28px,3.8vw,44px);
  margin:14px 0 16px;
  word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 0;
  font-size:13px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{display:inline-block;width:1px;height:12px;background:var(--line);margin:0 12px;}
.article-kicker{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.article-lead{margin-top:16px;font-size:15.5px;color:var(--muted);max-width:64ch;}
.article-cover{
  margin-top:24px;border-radius:var(--r-l);overflow:hidden;
  border:1px solid rgba(28,23,16,.08);background:var(--paper-3);
  aspect-ratio:16/9;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

.article-body-card{
  margin-top:24px;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--r-l);
  padding:36px 40px;box-shadow:var(--shadow-1);
}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--text);}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:clamp(21px,2.4vw,28px);
  margin:44px 0 16px;padding-left:16px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:3px;height:.95em;
  background:var(--amber);border-radius:2px;
}
.article-body h3{font-size:20px;margin:32px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;list-style:revert;}
.article-body li{margin-bottom:.55em;}
.article-body ul li::marker{color:var(--amber-deep);}
.article-body ol li::marker{color:var(--amber-deep);font-variant-numeric:tabular-nums;}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;
  background:var(--paper-3);border-left:3px solid var(--amber);
  border-radius:0 var(--r-m) var(--r-m) 0;color:#4A4133;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-m);margin:24px auto;border:1px solid rgba(28,23,16,.08);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:var(--amber-deep);text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:var(--ink);}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--paper-3);font-weight:600;font-family:var(--serif);}
.article-body code{
  background:var(--ink);color:var(--on-ink);border-radius:var(--r-s);
  padding:2px 8px;font-size:14px;
}
.article-body pre{
  background:var(--ink);color:var(--on-ink);border-radius:var(--r-s);
  padding:18px 20px;overflow-x:auto;margin:24px 0;
}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:34px 0;}

.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-m);
  padding:40px 24px;text-align:center;background:var(--paper);
}
.empty-state svg{width:40px;height:40px;margin:0 auto 14px;color:var(--muted);}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:14px;}

/* ---------- share bar / foot nav ---------- */
.share-bar{
  margin-top:26px;background:var(--paper-3);border:1px solid var(--line);
  border-radius:var(--r-l);padding:22px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.share-bar h2{font-size:17px;font-family:var(--serif);}
.share-bar p{font-size:13px;color:var(--muted);margin-top:6px;}
.share-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.foot-nav{
  margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.foot-nav a{
  display:block;padding:18px 20px;border-radius:var(--r-m);
  background:var(--paper-2);border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.foot-nav a:hover{border-color:rgba(224,168,62,.55);box-shadow:var(--shadow-2);transform:translateY(-1px);}
.foot-nav .k{font-size:12px;color:var(--muted);letter-spacing:.08em;}
.foot-nav .t{display:block;margin-top:6px;font-size:15px;font-family:var(--serif);color:var(--text);}
.foot-nav .back{grid-column:1/-1;text-align:center;padding:14px 20px;}

/* ---------- aside ---------- */
.article-aside{position:sticky;top:110px;display:flex;flex-direction:column;gap:18px;}
.aside-card{
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r-m);padding:20px;box-shadow:var(--shadow-1);
}
.aside-card h3{font-size:15px;letter-spacing:.04em;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.aside-card h3::before{content:"";width:3px;height:14px;background:var(--amber);border-radius:2px;}
.aside-list li+li{margin-top:2px;}
.aside-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 0;font-size:14px;color:var(--text);
  border-bottom:1px dashed var(--line);
  min-height:44px;
}
.aside-list li:last-child a{border-bottom:0;}
.aside-list a:hover{color:var(--amber-deep);}
.aside-list .num{
  font-family:var(--serif);font-size:13px;color:var(--amber-deep);
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}
.aside-dark{background:var(--ink);border-color:var(--ink-line);color:var(--on-ink);}
.aside-dark h3{color:var(--on-ink);}
.aside-dark p{font-size:13.5px;color:rgba(243,236,220,.72);line-height:1.8;}
.aside-dark .btn{margin-top:16px;width:100%;justify-content:center;}
.aside-mini{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed var(--ink-line);}
.aside-mini:last-child{border-bottom:0;}
.aside-mini .thumb{width:64px;height:44px;border-radius:8px;overflow:hidden;flex:0 0 auto;background:var(--ink-2);}
.aside-mini .thumb img{width:100%;height:100%;object-fit:cover;}
.aside-mini .mt{font-size:13.5px;color:var(--on-ink);line-height:1.5;}
.aside-mini .md{font-size:12px;color:rgba(243,236,220,.55);margin-top:4px;}

/* ---------- related ---------- */
.related{padding:64px 0 0;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r-m);overflow:hidden;
  transition:border-color .28s ease,box-shadow .28s ease,transform .28s ease;
}
.post-card:hover{border-color:rgba(224,168,62,.55);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper-3);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:17px;line-height:1.45;}
.post-body p{font-size:13.5px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body .chip-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.post-body .btn-text{margin-top:auto;}

/* ---------- cta strip ---------- */
.cta-band{padding:64px 0 0;}
.cta-inner{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--on-ink);
  border-radius:var(--r-l);padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  border:1px solid var(--ink-line);
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;top:-60px;
  width:260px;height:260px;border-radius:50%;
  background:
    radial-gradient(circle,transparent 0 38%,rgba(224,168,62,.16) 39% 40%,transparent 41%),
    radial-gradient(circle,transparent 0 58%,rgba(224,168,62,.12) 59% 60%,transparent 61%),
    radial-gradient(circle,transparent 0 78%,rgba(224,168,62,.10) 79% 80%,transparent 81%);
  pointer-events:none;
}
.cta-inner h2{font-size:clamp(21px,2.6vw,30px);position:relative;z-index:1;}
.cta-inner p{margin-top:10px;font-size:14.5px;color:rgba(243,236,220,.74);max-width:46ch;position:relative;z-index:1;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:72px;background:var(--ink);color:var(--on-ink);
  border-top:1px solid rgba(224,168,62,.35);
  padding:56px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand-main,.footer-brand .brand-sub{color:var(--on-ink);}
.footer-brand .brand-sub{color:var(--amber);}
.footer-brand p{margin-top:16px;font-size:13.5px;color:rgba(243,236,220,.66);line-height:1.85;max-width:26ch;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social .icon-btn{background:transparent;border-color:rgba(243,236,220,.28);color:rgba(243,236,220,.8);}
.footer-social .icon-btn:hover{color:var(--ink);background:var(--amber);border-color:var(--amber);}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--amber);margin-bottom:16px;font-family:var(--serif);}
.footer-col ul li+li{margin-top:4px;}
.footer-col a{
  display:inline-block;padding:6px 0;font-size:13.5px;
  color:rgba(243,236,220,.72);
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:4px;}
.sub-form label{display:block;font-size:13px;color:rgba(243,236,220,.72);margin-bottom:8px;}
.sub-form input{
  width:100%;height:44px;padding:0 14px;
  background:var(--ink-2);border:1px solid var(--ink-line);
  border-radius:var(--r-s);color:var(--on-ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:rgba(243,236,220,.38);}
.sub-form input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,168,62,.18);}
.sub-form input.invalid{border-color:var(--cinnabar);}
.sub-form .btn{margin-top:12px;width:100%;justify-content:center;}
.form-tip{margin-top:10px;font-size:12px;color:rgba(243,236,220,.55);display:none;}
.form-tip.show{display:block;color:#9ED0B4;}
.form-err{margin-top:8px;font-size:12px;color:#F0A08F;display:none;}
.form-err.show{display:block;}
.footer-bottom{
  margin-top:40px;padding-top:22px;
  border-top:1px solid var(--ink-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(243,236,220,.6);
}
.footer-bottom a{color:rgba(243,236,220,.6);}
.footer-bottom a:hover{color:var(--amber);}
.footer-bottom .bl{display:flex;gap:16px;flex-wrap:wrap;align-items:center;}
.to-top{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(243,236,220,.3);color:var(--on-ink);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.to-top:hover{background:var(--amber);color:var(--ink);border-color:var(--amber);}
.to-top svg{width:16px;height:16px;}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav-cats a span:not(.nav-ico){display:none;}
  .nav-cats a{padding:8px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 272px;gap:26px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-col:last-child{grid-column:1/-1;}
}
@media (max-width:900px){
  .container{padding:0 20px;}
  .nav-cats{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-drawer{display:block;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-aside{position:static;top:auto;flex-direction:row;flex-wrap:wrap;}
  .article-aside>.aside-card{flex:1 1 260px;}
  .article-hero{padding:24px 22px;}
  .article-body-card{padding:26px 22px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-brand{grid-column:1/-1;}
  .cta-inner{padding:34px 26px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .site-header{padding-top:12px;}
  .nav-panel{min-height:64px;padding:10px 12px;gap:10px;border-radius:18px;}
  .brand-main{font-size:16px;}
  .nav-actions .btn{display:none;}
  .crumb{padding-top:18px;}
  .crumb .current{max-width:32ch;}
  .article-hero h1{font-size:clamp(24px,7vw,30px);}
  .article-meta{font-size:12.5px;}
  .article-meta .dot{margin:0 8px;}
  .article-body{font-size:16px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .share-bar{padding:18px;flex-direction:column;align-items:flex-start;}
  .foot-nav{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .article-aside{flex-direction:column;}
  .cta-inner{padding:28px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .related,.cta-band{padding-top:44px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --ink:#1C1710;
  --ink-2:#2A2318;
  --ink-line:rgba(246,241,228,.14);
  --paper:#F6F1E4;
  --paper-2:#FDFAF2;
  --paper-3:#EFE8D6;
  --amber:#E0A83E;
  --amber-deep:#B5791D;
  --amber-soft:#FBEFD6;
  --bamboo:#4C7A61;
  --bamboo-soft:#DDEAE1;
  --cinnabar:#BE4A2C;
  --line:#D9D0BC;
  --text:#241E15;
  --muted:#6E6353;
  --on-ink:#F3ECDC;
  --success:#3F7A55;
  --warning:#C08A24;
  --error:#B03A2A;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(60,45,20,.06),0 8px 24px -14px rgba(60,45,20,.28);
  --shadow-2:0 18px 40px -22px rgba(60,45,20,.42);
  --font-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --gap:24px;
  --sec:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--amber-deep);text-decoration:underline;text-underline-offset:4px}
button{font-family:inherit;font-size:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{
  font-family:var(--font-serif);
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.3;
  margin:0;
}
p{margin:0}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:16px 0 0;
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--ink);
  border:1px solid var(--ink-line);
  border-radius:var(--r-l);
  padding:12px 18px;
  min-height:76px;
  transition:box-shadow .28s ease,transform .28s ease;
}
.site-header.is-stuck .nav-panel{box-shadow:var(--shadow-2)}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  text-decoration:none;
}
.brand:hover{text-decoration:none;color:inherit}
.brand-mark{
  width:34px;height:34px;
  border-radius:50%;
  background:var(--amber);
  position:relative;
  flex:0 0 auto;
  box-shadow:inset 0 0 0 1px rgba(28,23,16,.25);
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:50%;
  border:1.6px solid rgba(28,23,16,.55);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:600;
  color:var(--on-ink);
  letter-spacing:.02em;
}
.brand-sub{
  font-size:12px;
  color:var(--amber);
  letter-spacing:.14em;
}
.nav-cats{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:6px;
  flex:1 1 auto;
}
.nav-cats li{flex:0 0 auto}
.nav-cats a{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border-radius:var(--r-s);
  color:rgba(243,236,220,.78);
  font-size:14px;
  line-height:1.2;
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-cats a:hover{
  background:rgba(224,168,62,.20);
  color:var(--amber);
  text-decoration:none;
}
.nav-cats a.is-active{
  background:rgba(224,168,62,.14);
  color:var(--amber);
  border-color:rgba(224,168,62,.42);
}
.nav-ico{
  width:28px;height:28px;
  display:grid;place-items:center;
  border-radius:8px;
  background:rgba(246,241,228,.08);
  flex:0 0 auto;
  transition:background .2s ease;
}
.nav-ico svg{width:16px;height:16px;color:currentColor}
.nav-cats a:hover .nav-ico,
.nav-cats a.is-active .nav-ico{background:rgba(224,168,62,.22)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:500;
  text-decoration:none;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn:disabled{opacity:.45;transform:none;cursor:not-allowed;box-shadow:none}
.btn-primary{background:var(--amber);color:var(--ink);border-color:var(--amber)}
.btn-primary:hover{background:var(--amber-deep);color:var(--ink)}
.btn-outline{background:transparent;color:var(--text);border-color:var(--line)}
.btn-outline:hover{border-color:var(--amber);color:var(--amber-deep)}
.btn-ghost{background:transparent;color:var(--on-ink);border-color:rgba(243,236,220,.55)}
.btn-ghost:hover{background:var(--amber);border-color:var(--amber);color:var(--ink)}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  background:none;border:0;padding:0;
  color:var(--amber-deep);
  font-size:15px;font-weight:500;
  min-height:44px;
}
.btn-text svg{width:16px;height:16px;transition:transform .2s ease}
.btn-text:hover svg{transform:translateX(3px)}
.icon-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:transparent;
  color:var(--muted);
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{border-color:var(--amber);color:var(--amber-deep);transform:translateY(-1px)}
.icon-btn[aria-pressed="true"]{background:var(--amber-soft);border-color:var(--amber);color:var(--amber-deep)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-s);
  border:1px solid var(--ink-line);
  background:rgba(246,241,228,.08);
  color:var(--on-ink);
  place-items:center;
}
.nav-toggle svg{width:20px;height:20px}
.nav-drawer{
  position:fixed;
  top:0;right:0;
  width:min(88vw,360px);
  height:100%;
  background:var(--ink);
  z-index:120;
  transform:translateX(100%);
  transition:transform .18s ease;
  padding:24px 20px 28px;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-title{color:var(--on-ink);font-family:var(--font-serif);font-size:16px}
.drawer-close{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--ink-line);
  background:transparent;color:var(--on-ink);
  display:grid;place-items:center;
}
.drawer-close svg{width:18px;height:18px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;
  border-radius:var(--r-s);
  color:rgba(243,236,220,.86);
  font-size:15px;
  border:1px solid transparent;
}
.drawer-link:hover{background:rgba(224,168,62,.16);color:var(--amber);text-decoration:none}
.drawer-link.is-active{background:rgba(224,168,62,.18);color:var(--amber);border-color:rgba(224,168,62,.4)}
.drawer-link svg{width:16px;height:16px;opacity:.6}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--ink-line);font-size:12px;color:rgba(243,236,220,.6)}
.drawer-foot .btn{width:100%;margin-bottom:12px}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(28,23,16,.55);
  z-index:110;
  opacity:0;pointer-events:none;
  transition:opacity .18s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
/* ---------- hero ---------- */
.hero{padding:28px 0 0}
.hero-frame{
  position:relative;
  min-height:280px;
  border-radius:var(--r-l);
  overflow:hidden;
  border:1px solid rgba(28,23,16,.12);
  box-shadow:var(--shadow-1);
  background-image:linear-gradient(180deg,rgba(28,23,16,.86),rgba(28,23,16,.68)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  display:flex;
  align-items:center;
}
.hero-frame::after{
  content:"";
  position:absolute;
  right:-70px;top:-70px;
  width:280px;height:280px;
  border-radius:50%;
  border:1px solid rgba(224,168,62,.22);
  box-shadow:0 0 0 40px rgba(224,168,62,.06),0 0 0 80px rgba(224,168,62,.04);
  pointer-events:none;
}
.hero-content{
  position:relative;
  z-index:1;
  padding:40px 44px;
  max-width:760px;
  color:var(--on-ink);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--amber);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:18px;height:3px;
  background:var(--amber);
  border-radius:2px;
}
.hero h1{
  font-size:clamp(26px,3.4vw,40px);
  color:#FBF6E9;
  margin-bottom:12px;
}
.hero-sub{
  font-size:18px;
  color:rgba(243,236,220,.9);
  margin-bottom:10px;
}
.hero-desc{
  font-size:15px;
  color:rgba(243,236,220,.72);
  max-width:560px;
  line-height:1.8;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.page-meta{
  margin-top:20px;
  font-size:13px;
  color:rgba(243,236,220,.62);
  font-variant-numeric:tabular-nums;
  display:flex;flex-wrap:wrap;gap:10px 16px;
}
.page-meta span{display:inline-flex;align-items:center;gap:6px}
.page-meta span+span::before{
  content:"·";
  color:rgba(243,236,220,.4);
  margin-right:4px;
}
/* ---------- sections ---------- */
.section{padding-top:var(--sec)}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(23px,2.8vw,32px);
  display:flex;
  align-items:center;
  gap:12px;
}
.section-head h2::before{
  content:"";
  width:3px;height:22px;
  background:var(--amber);
  border-radius:2px;
  flex:0 0 auto;
}
.lead{
  font-size:15px;
  color:var(--muted);
  max-width:680px;
  margin-top:-10px;
  margin-bottom:26px;
  line-height:1.85;
}
/* ---------- stage strip ---------- */
.stage-panel{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:26px 28px;
  box-shadow:var(--shadow-1);
}
.stage-track{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:14px;
  margin-top:18px;
}
.stage{
  position:relative;
  padding:16px 14px 14px;
  border-radius:var(--r-m);
  background:var(--paper);
  border:1px solid var(--line);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.stage:hover{border-color:rgba(224,168,62,.55);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.stage-num{
  display:inline-grid;place-items:center;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--amber-soft);
  color:var(--amber-deep);
  font-family:var(--font-serif);
  font-size:13px;
  border:1px solid rgba(181,121,29,.28);
  margin-bottom:10px;
}
.stage h3{font-size:16px;margin-bottom:6px}
.stage p{font-size:13px;color:var(--muted);line-height:1.7}
.stage .stage-count{
  display:inline-block;
  margin-top:10px;
  font-size:12px;
  color:var(--bamboo);
  background:var(--bamboo-soft);
  padding:2px 10px;
  border-radius:var(--r-pill);
}
/* ---------- catalog grid ---------- */
.catalog-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--gap);
}
.catalog-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .28s ease,box-shadow .28s ease,transform .28s ease;
}
.catalog-card:hover{border-color:rgba(224,168,62,.55);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.num-badge{
  position:absolute;
  left:16px;top:16px;
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(28,23,16,.82);
  color:var(--amber);
  font-family:var(--font-serif);
  font-size:15px;
  border:1px solid rgba(224,168,62,.5);
  z-index:2;
}
.catalog-thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  border-bottom:1px solid rgba(28,23,16,.08);
}
.catalog-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .28s ease;
}
.catalog-card:hover .catalog-thumb img{transform:scale(1.03)}
.catalog-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.catalog-body h3{font-size:18px}
.catalog-body p{font-size:14px;color:var(--muted);line-height:1.75}
.catalog-list{
  display:flex;
  flex-direction:column;
  gap:0;
  border-top:1px dashed var(--line);
  padding-top:8px;
}
.catalog-list li{border-bottom:1px dashed var(--line)}
.catalog-list li:last-child{border-bottom:0}
.catalog-list a{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:38px;
  font-size:14px;
  color:var(--text);
  padding:0 2px;
  transition:padding-left .2s ease,color .2s ease;
}
.catalog-list a::before{
  content:"";
  width:5px;height:5px;
  border-radius:50%;
  background:var(--amber);
  flex:0 0 auto;
}
.catalog-list a:hover{color:var(--amber-deep);padding-left:6px;text-decoration:none}
.catalog-list li:focus-within a{padding-left:6px;border-left:3px solid var(--amber)}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
  margin-top:auto;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  line-height:1;
}
.badge-bamboo{background:var(--bamboo-soft);color:#33543F}
.badge-time{background:var(--paper-3);color:var(--muted)}
.badge-flag{background:rgba(190,74,44,.1);color:var(--cinnabar)}
/* ---------- entry list ---------- */
.entry-list{display:flex;flex-direction:column;gap:0}
.entry-card{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:22px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
  transition:transform .2s ease;
}
.entry-card:first-child{padding-top:0}
.entry-card:hover .entry-title a{color:var(--amber-deep)}
.entry-thumb{
  aspect-ratio:16/10;
  border-radius:var(--r-m);
  overflow:hidden;
  border:1px solid rgba(28,23,16,.08);
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-body{display:flex;flex-direction:column;gap:10px;min-width:0}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.entry-title{font-size:18px}
.entry-title a{transition:color .2s ease}
.entry-excerpt{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-card:focus-within{transform:translateX(2px);box-shadow:inset 3px 0 0 var(--amber)}
/* ---------- rail ---------- */
.rail-track{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:minmax(272px,1fr);
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:12px;
  scrollbar-width:thin;
}
.rail-track::-webkit-scrollbar{height:6px}
.rail-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
.rail-card{
  scroll-snap-align:start;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .28s ease,box-shadow .28s ease,transform .28s ease;
  display:flex;
  flex-direction:column;
}
.rail-card:hover{border-color:rgba(224,168,62,.55);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.rail-thumb{aspect-ratio:16/10;overflow:hidden}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}
.rail-card:hover .rail-thumb img{transform:scale(1.03)}
.rail-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px}
.rail-body h3{font-size:17px}
.rail-body p{font-size:13px;color:var(--muted);line-height:1.7}
/* ---------- faq ---------- */
.faq-wrap{max-width:860px}
.faq-item{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(224,168,62,.5)}
.faq-item[open]{box-shadow:var(--shadow-1);border-color:rgba(224,168,62,.55)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  min-height:56px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--amber-deep);
  font-size:16px;
  line-height:1;
  transition:transform .22s ease,background .22s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--amber-soft)}
.faq-body{padding:0 20px 20px;font-size:14px;color:var(--muted);line-height:1.85}
/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  border-radius:var(--r-l);
  border:1px solid var(--ink-line);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-90px;
  width:260px;height:260px;
  border-radius:50%;
  border:1px solid rgba(224,168,62,.2);
  box-shadow:0 0 0 36px rgba(224,168,62,.06),0 0 0 72px rgba(224,168,62,.04);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:560px}
.cta-copy h2{
  font-size:clamp(22px,2.6vw,30px);
  color:#FBF6E9;
  margin-bottom:10px;
}
.cta-copy p{font-size:15px;color:rgba(243,236,220,.7)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
/* ---------- footer ---------- */
.site-footer{
  margin-top:88px;
  background:var(--ink);
  border-top:1px solid rgba(224,168,62,.35);
  padding:56px 0 28px;
  color:rgba(243,236,220,.72);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(243,236,220,.6);max-width:270px}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social .icon-btn{border-color:var(--ink-line);color:rgba(243,236,220,.75)}
.footer-social .icon-btn:hover{border-color:var(--amber);color:var(--amber);background:rgba(224,168,62,.14)}
.footer-col h4{
  font-size:14px;
  color:var(--on-ink);
  margin-bottom:14px;
  letter-spacing:.06em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:13px;
  color:rgba(243,236,220,.66);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--amber);text-decoration:none;padding-left:4px}
.sub-form{display:flex;flex-direction:column;gap:10px}
.sub-form label{font-size:13px;color:rgba(243,236,220,.66)}
.sub-form input{
  height:44px;
  border-radius:var(--r-s);
  border:1px solid var(--ink-line);
  background:rgba(246,241,228,.06);
  color:var(--on-ink);
  padding:0 14px;
  font-size:14px;
  font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:rgba(243,236,220,.36)}
.sub-form input:focus{
  outline:none;
  border-color:var(--amber);
  box-shadow:0 0 0 3px rgba(224,168,62,.18);
}
.sub-form .btn{width:100%}
.form-tip{
  font-size:12px;
  color:#9BC7AC;
  background:rgba(63,122,85,.18);
  border-radius:var(--r-s);
  padding:8px 12px;
  display:none;
}
.form-tip.is-show{display:block}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--ink-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:rgba(243,236,220,.5);
}
.footer-bottom .fb-left{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center}
.to-top{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--ink-line);
  background:transparent;
  color:rgba(243,236,220,.8);
  display:grid;place-items:center;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.to-top svg{width:16px;height:16px}
.to-top:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-2px)}
.toast{
  position:fixed;
  left:50%;
  bottom:36px;
  transform:translate(-50%,16px);
  background:var(--ink);
  color:var(--on-ink);
  border:1px solid rgba(224,168,62,.45);
  border-radius:var(--r-pill);
  padding:10px 22px;
  font-size:14px;
  opacity:0;
  pointer-events:none;
  transition:opacity .24s ease,transform .24s ease;
  z-index:200;
  box-shadow:var(--shadow-2);
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}
/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{padding:0 28px}
  .nav-cats a{font-size:13px;padding:8px}
}
@media (max-width:1024px){
  :root{--sec:56px}
  .nav-cats{display:none}
  .nav-toggle{display:grid}
  .nav-actions .btn-outline{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .catalog-grid{grid-template-columns:1fr}
  .entry-card{grid-template-columns:180px minmax(0,1fr)}
  .stage-track{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:900px){
  .nav-actions .btn-primary{display:none}
  .cta-band{padding:36px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .hero-content{padding:30px 26px}
  .section-head h2{font-size:23px}
  .entry-card{grid-template-columns:1fr;gap:16px}
  .entry-thumb{aspect-ratio:16/9}
  .stage-track{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  :root{--sec:44px;--gap:16px}
  .container{padding:0 16px}
  .nav-panel{padding:10px 12px;min-height:64px;border-radius:18px;gap:10px}
  .brand-main{font-size:16px}
  .brand-mark{width:30px;height:30px}
  .brand-mark::after{inset:6px}
  .hero-frame{min-height:260px}
  .hero-content{padding:26px 20px}
  .hero-sub{font-size:16px}
  .hero-actions{width:100%}
  .hero-actions .btn{flex:1 1 auto}
  .stage-track{grid-template-columns:1fr}
  .catalog-body{padding:16px}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:40px 0 24px;margin-top:64px}
  .rail-track{grid-auto-columns:minmax(240px,82vw)}
  .footer-bottom{justify-content:center;text-align:center}
  body{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --ink:#1C1710;
  --ink-2:#2A2318;
  --ink-line:rgba(246,241,228,.14);
  --paper:#F6F1E4;
  --paper-2:#FDFAF2;
  --paper-3:#EFE8D6;
  --amber:#E0A83E;
  --amber-deep:#B5791D;
  --amber-soft:#FBEFD6;
  --bamboo:#4C7A61;
  --bamboo-soft:#DDEAE1;
  --cinnabar:#BE4A2C;
  --line:#D9D0BC;
  --text:#241E15;
  --muted:#6E6353;
  --on-ink:#F3ECDC;
  --ok:#3F7A55;
  --warn:#C08A24;
  --err:#B03A2A;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(60,45,20,.06),0 8px 24px -14px rgba(60,45,20,.28);
  --shadow-2:0 18px 40px -22px rgba(60,45,20,.42);
  --font-serif:"Noto Serif SC","Songti SC",SimSun,"Songti TC",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --num:tabular-nums;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{
  font-family:var(--font-serif);
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.3;
  color:var(--ink);
}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
::selection{background:var(--amber-soft);color:var(--ink)}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:500;
  line-height:1;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--amber);color:var(--ink);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--amber-deep);color:#FFF9EC;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;border-color:rgba(246,241,228,.42);color:var(--on-ink)}
.btn-ghost:hover{border-color:var(--amber);background:rgba(224,168,62,.16);color:var(--amber);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--amber);color:var(--amber-deep);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-outline:active{transform:translateY(0);box-shadow:none}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;transform:none;box-shadow:none;cursor:not-allowed}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  background:none;border:0;padding:0;
  font-size:14px;font-weight:500;color:var(--amber-deep);
  min-height:44px;
}
.btn-text svg{width:16px;height:16px;transition:transform .22s ease}
.btn-text:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.btn-text:hover svg{transform:translateX(3px)}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid rgba(246,241,228,.30);
  color:var(--on-ink);
  transition:border-color .22s ease,color .22s ease,background-color .22s ease,transform .22s ease;
}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{border-color:var(--amber);color:var(--amber);background:rgba(224,168,62,.14);transform:translateY(-1px)}
.icon-btn:active{transform:translateY(0)}
.icon-btn.is-on{background:var(--amber);border-color:var(--amber);color:var(--ink)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding-top:20px;
  background:linear-gradient(180deg,var(--paper) 62%,rgba(246,241,228,0));
}
.nav-panel{
  display:flex;align-items:center;gap:20px;
  min-height:76px;
  padding:12px 18px 12px 20px;
  background:var(--ink);
  border:1px solid var(--ink-line);
  border-radius:var(--r-l);
  box-shadow:var(--shadow-1);
  transition:box-shadow .28s ease;
}
.site-header.is-stuck .nav-panel{box-shadow:var(--shadow-2)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  background:
    radial-gradient(circle at 50% 50%,var(--amber) 0 4px,rgba(224,168,62,.16) 4px 11px,var(--amber) 11px 12.6px,rgba(224,168,62,.16) 12.6px 100%);
  border:1px solid rgba(224,168,62,.55);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-main{font-family:var(--font-serif);font-size:18px;font-weight:600;color:var(--on-ink);letter-spacing:.03em}
.brand-sub{font-size:12px;color:var(--amber);letter-spacing:.18em}
.nav-cats{display:flex;align-items:center;gap:6px;margin-left:6px;flex:1 1 auto;min-width:0}
.nav-cats a{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:var(--r-s);
  font-size:14px;color:rgba(243,236,220,.82);
  white-space:nowrap;
  transition:background-color .22s ease,color .22s ease;
  position:relative;
}
.nav-ico{
  width:28px;height:28px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(246,241,228,.08);
  color:rgba(243,236,220,.78);
  transition:background-color .22s ease,color .22s ease;
  flex:0 0 auto;
}
.nav-ico svg{width:16px;height:16px}
.nav-cats a:hover{background:rgba(246,241,228,.06);color:var(--amber)}
.nav-cats a:hover .nav-ico{background:rgba(224,168,62,.20);color:var(--amber)}
.nav-cats a.is-active{color:var(--amber);background:rgba(224,168,62,.14)}
.nav-cats a.is-active .nav-ico{background:rgba(224,168,62,.24);color:var(--amber)}
.nav-cats a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--amber);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(246,241,228,.08);border:1px solid var(--ink-line);
  color:var(--on-ink);align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px}
.nav-toggle:hover{background:rgba(224,168,62,.20);color:var(--amber)}

/* 抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--ink);
  padding:24px 20px 40px;
  overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-14px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-family:var(--font-serif);font-size:15px;color:rgba(243,236,220,.7);letter-spacing:.16em}
.drawer-close{
  width:44px;height:44px;border-radius:50%;background:transparent;
  border:1px solid var(--ink-line);color:var(--on-ink);
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--amber);color:var(--amber)}
.drawer-close svg{width:18px;height:18px}
.drawer-list{display:flex;flex-direction:column;gap:10px}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:56px;padding:0 16px;border-radius:var(--r-m);
  background:var(--ink-2);border:1px solid var(--ink-line);
  color:var(--on-ink);font-size:15px;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.drawer-list a:hover,.drawer-list a.is-active{border-color:rgba(224,168,62,.55);color:var(--amber);background:rgba(224,168,62,.10)}
.drawer-list svg{width:16px;height:16px;flex:0 0 auto}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.drawer-foot{margin-top:22px;font-size:12px;color:rgba(243,236,220,.45);line-height:1.9}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;
  margin-top:28px;
  padding:52px 0 46px;
  border-radius:var(--r-l);
  overflow:hidden;
  background-image:
    linear-gradient(180deg,rgba(28,23,16,.90),rgba(28,23,16,.72)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:var(--on-ink);
  box-shadow:var(--shadow-1);
}
.page-hero::after{
  content:"";position:absolute;right:-70px;top:-70px;
  width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(224,168,62,.30);
  box-shadow:0 0 0 40px rgba(224,168,62,.06),0 0 0 90px rgba(224,168,62,.04);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(243,236,220,.62);margin-bottom:18px;
}
.crumb a{color:rgba(243,236,220,.82)}
.crumb a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:4px}
.crumb span{color:var(--amber)}
.page-hero h1{
  color:var(--on-ink);
  font-size:clamp(28px,4vw,46px);
  max-width:20em;
}
.hero-sub{
  margin-top:14px;
  font-size:clamp(16px,1.6vw,19px);
  color:var(--amber);
  font-weight:500;
}
.hero-lead{
  margin-top:14px;
  max-width:640px;
  font-size:15px;
  line-height:1.9;
  color:rgba(243,236,220,.80);
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:22px;font-size:13px;color:rgba(243,236,220,.62);
}
.hero-meta i{font-style:normal;color:rgba(243,236,220,.30)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- 通用板块 ---------- */
.block{padding:36px 0}
.block-head{margin-bottom:26px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.block-title{
  position:relative;
  padding-left:14px;
  font-size:clamp(22px,2.4vw,30px);
}
.block-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:var(--amber);
}
.block-desc{margin-top:10px;font-size:14px;color:var(--muted);max-width:720px;line-height:1.9}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;line-height:1;
}
.badge-cat{background:var(--bamboo-soft);color:#33543F}
.badge-time{background:var(--paper-3);color:var(--muted)}
.badge-note{background:rgba(190,74,44,.10);color:var(--cinnabar)}
.badge-amber{background:var(--amber-soft);color:var(--amber-deep)}

/* ---------- 双栏分区 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);gap:32px;align-items:start}
.story-list{display:flex;flex-direction:column;gap:24px}
.story{
  display:grid;grid-template-columns:minmax(0,240px) minmax(0,1fr);
  gap:22px;
  padding:20px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  box-shadow:var(--shadow-1);
  transition:border-color .28s ease,box-shadow .28s ease;
}
.story:hover{border-color:rgba(224,168,62,.55);box-shadow:var(--shadow-2)}
.story-media{position:relative;overflow:hidden;border-radius:var(--r-s);background:var(--paper-3)}
.story-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-s);
  box-shadow:inset 0 0 0 1px rgba(28,23,16,.08);
  transition:transform .28s ease;
}
.story:hover .story-media img{transform:scale(1.03)}
.story-body{display:flex;flex-direction:column;gap:10px;min-width:0}
.story-tags{display:flex;flex-wrap:wrap;gap:8px}
.story-body h3{font-size:18px;line-height:1.45}
.story-body h3 a:hover{color:var(--amber-deep);text-decoration:underline;text-underline-offset:4px}
.story-body p{font-size:14px;color:var(--muted);line-height:1.85}
.story-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;flex-wrap:wrap}
.story-no{
  font-family:var(--font-serif);font-size:13px;color:var(--ink);
  width:26px;height:26px;border-radius:50%;
  background:var(--amber-soft);border:1px solid rgba(224,168,62,.5);
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}

/* 右侧摘要卡 */
.aside-card{
  position:sticky;top:116px;
  padding:24px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  box-shadow:var(--shadow-1);
}
.aside-card h2{
  font-size:20px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
  margin-bottom:16px;
}
.sum-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:9px 0}
.sum-row + .sum-row{border-top:1px dashed var(--line)}
.sum-label{font-size:13px;color:var(--muted)}
.sum-value{font-family:var(--font-serif);font-size:17px;color:var(--ink);font-variant-numeric:var(--num)}
.sum-value em{font-style:normal;color:var(--amber-deep);font-size:22px;margin-right:2px}
.progress-wrap{margin-top:18px}
.progress-label{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:8px}
.progress-label b{color:var(--amber-deep);font-variant-numeric:var(--num)}
.progress-bar{height:8px;border-radius:var(--r-pill);background:var(--paper-3);overflow:hidden}
.progress-bar span{display:block;height:100%;width:75%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--amber),var(--amber-deep))}
.aside-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.aside-actions{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.aside-note{margin-top:14px;font-size:12px;color:var(--muted);line-height:1.8}

/* ---------- 横向条目带 ---------- */
.rail{margin-top:8px}
.rail-track{
  display:flex;gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 16px;
  scrollbar-width:thin;
}
.rail-track::-webkit-scrollbar{height:8px}
.rail-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:var(--r-pill)}
.rail-card{
  flex:0 0 300px;
  scroll-snap-align:start;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .28s ease,box-shadow .28s ease,transform .28s ease;
  display:flex;flex-direction:column;
}
.rail-card:hover{border-color:rgba(224,168,62,.55);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.rail-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rail-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.rail-body h3{font-size:16px;line-height:1.5}
.rail-body h3 a:hover{color:var(--amber-deep);text-decoration:underline;text-underline-offset:4px}
.rail-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--muted)}

/* ---------- 解说用法 ---------- */
.points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.point{
  padding:24px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  box-shadow:var(--shadow-1);
  transition:border-color .28s ease,box-shadow .28s ease,transform .28s ease;
}
.point:hover{border-color:rgba(224,168,62,.55);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.point-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.point-ico{
  width:38px;height:38px;border-radius:12px;
  background:var(--amber-soft);color:var(--amber-deep);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.point-ico svg{width:19px;height:19px}
.point h3{font-size:17px}
.point p{font-size:14px;color:var(--muted);line-height:1.85}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 4px;
  font-size:15px;font-weight:500;color:var(--ink);
  cursor:pointer;list-style:none;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--amber-deep)}
.faq-sign{
  width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--amber-deep);flex:0 0 auto;
  transition:transform .22s ease,border-color .22s ease;
}
.faq-sign svg{width:14px;height:14px}
.faq-item[open] .faq-sign{transform:rotate(45deg);border-color:var(--amber)}
.faq-body{padding:0 4px 20px;font-size:14px;line-height:1.9;color:var(--muted);max-width:860px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-l);
  background:var(--ink);
  border:1px solid var(--ink-line);
  padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:var(--on-ink);
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-90px;
  width:260px;height:260px;border-radius:50%;
  border:1px solid rgba(224,168,62,.28);
  box-shadow:0 0 0 34px rgba(224,168,62,.06),0 0 0 78px rgba(224,168,62,.04);
  pointer-events:none;
}
.cta-band h2{color:var(--on-ink);font-size:clamp(21px,2.2vw,28px);max-width:16em}
.cta-band p{margin-top:12px;font-size:14px;color:rgba(243,236,220,.72);max-width:32em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:64px;
  background:var(--ink);
  border-top:1px solid rgba(224,168,62,.35);
  padding:56px 0 28px;
  color:var(--on-ink);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid var(--ink-line);
}
.footer-brand p{
  margin-top:16px;font-size:13px;line-height:1.9;
  color:rgba(243,236,220,.62);max-width:22em;
}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-col h4{
  color:var(--on-ink);font-size:15px;margin-bottom:16px;
  padding-left:10px;position:relative;
}
.footer-col h4::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:14px;border-radius:2px;background:var(--amber);
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:13.5px;color:rgba(243,236,220,.70);
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:4px}
.sub-form{display:flex;flex-direction:column;gap:10px}
.sub-form label{font-size:13px;color:rgba(243,236,220,.70)}
.sub-form input{
  height:44px;border-radius:var(--r-s);
  border:1px solid rgba(246,241,228,.22);
  background:rgba(246,241,228,.06);
  color:var(--on-ink);
  padding:0 14px;font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:rgba(243,236,220,.34)}
.sub-form input:focus{
  outline:none;border-color:var(--amber);
  box-shadow:0 0 0 3px rgba(224,168,62,.18);
}
.sub-form input.is-err{border-color:var(--cinnabar);box-shadow:0 0 0 3px rgba(190,74,44,.16)}
.sub-form .btn{width:100%}
.form-tip{
  font-size:12px;line-height:1.8;color:rgba(243,236,220,.55);
  display:none;
}
.form-tip.is-err{display:block;color:#E8A08C}
.form-tip.is-ok{
  display:block;color:#BFE1CB;
  background:rgba(76,122,97,.22);
  border:1px solid rgba(76,122,97,.4);
  border-radius:var(--r-s);
  padding:10px 12px;
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:12px;color:rgba(243,236,220,.45);
}
.footer-bottom a{color:rgba(243,236,220,.62)}
.footer-bottom a:hover{color:var(--amber)}
.to-top{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(246,241,228,.28);
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;color:var(--on-ink);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.to-top:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-2px)}
.to-top svg{width:16px;height:16px}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{padding:0 28px}
  .nav-cats a{padding:7px 10px;font-size:13.5px}
}
@media (max-width:1024px){
  .split{grid-template-columns:minmax(0,1fr)}
  .aside-card{position:static}
  .points{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
  .container{padding:0 20px}
  .nav-cats{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-ghost{display:none}
  .page-hero{padding:40px 0 36px;margin-top:22px}
  .block{padding:30px 0}
  .cta-band{padding:34px;flex-direction:column;align-items:flex-start;gap:22px}
  .story{grid-template-columns:minmax(0,200px) minmax(0,1fr);gap:18px}
}
@media (max-width:640px){
  body{font-size:15px}
  .container{padding:0 16px}
  .site-header{padding-top:14px}
  .nav-panel{min-height:66px;padding:10px 12px 10px 14px;gap:12px}
  .brand-main{font-size:16px}
  .brand-sub{font-size:11px;letter-spacing:.14em}
  .brand-mark{width:30px;height:30px}
  .nav-actions .btn-sm{display:none}
  .page-hero::after{display:none}
  .hero-meta{gap:8px}
  .hero-actions .btn{width:100%}
  .story{grid-template-columns:minmax(0,1fr);padding:16px}
  .story-media img{aspect-ratio:16/9}
  .points{grid-template-columns:minmax(0,1fr);gap:16px}
  .rail-card{flex:0 0 82%}
  .cta-band{padding:26px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;padding-bottom:26px}
  .footer-bottom{justify-content:flex-start}
  .aside-card{padding:20px}
}

/* roulang page: category3 */
:root{
  --ink:#1C1710;
  --ink-2:#2A2318;
  --ink-line:rgba(246,241,228,.14);
  --paper:#F6F1E4;
  --paper-2:#FDFAF2;
  --paper-3:#EFE8D6;
  --amber:#E0A83E;
  --amber-deep:#B5791D;
  --amber-soft:#FBEFD6;
  --bamboo:#4C7A61;
  --bamboo-soft:#DDEAE1;
  --cinnabar:#BE4A2C;
  --line:#D9D0BC;
  --text:#241E15;
  --muted:#6E6353;
  --on-ink:#F3ECDC;
  --ok:#3F7A55;
  --warn:#C08A24;
  --err:#B03A2A;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(60,45,20,.06), 0 8px 24px -14px rgba(60,45,20,.28);
  --shadow-2:0 18px 40px -22px rgba(60,45,20,.42);
  --font-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --gap-section:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(28,23,16,.035) 1px, transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--amber-deep)}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;letter-spacing:.02em;line-height:1.3;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;letter-spacing:.02em;
  border:1px solid transparent;background:none;color:var(--text);
  transition:transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn:disabled{opacity:.45;transform:none!important;box-shadow:none!important;cursor:not-allowed}
.btn-primary{background:var(--amber);color:var(--ink);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--amber-deep);color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-line{background:transparent;border-color:var(--line);color:var(--text)}
.btn-line:hover{border-color:var(--amber);color:var(--amber-deep);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-line:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:rgba(246,241,228,.38);color:var(--on-ink)}
.btn-ghost:hover{background:var(--amber);border-color:var(--amber);color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost:active{transform:translateY(0);box-shadow:none}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;height:auto;padding:2px 0;
  font-size:14px;font-weight:500;color:var(--amber-deep);border-radius:4px;
}
.btn-text svg{transition:transform .2s ease;width:16px;height:16px}
.btn-text:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.btn-text:hover svg{transform:translateX(2px)}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(246,241,228,.06);border:1px solid var(--ink-line);color:var(--on-ink);
  transition:background-color .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{background:rgba(224,168,62,.2);color:var(--amber);border-color:rgba(224,168,62,.5);transform:translateY(-1px)}
.icon-btn:active{transform:translateY(0)}
.icon-btn.is-on{background:var(--amber);color:var(--ink);border-color:var(--amber)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;line-height:1;letter-spacing:.03em;white-space:nowrap;
}
.badge-jade{background:var(--bamboo-soft);color:#2F5540}
.badge-time{background:var(--paper-3);color:var(--muted)}
.badge-cinnabar{background:rgba(190,74,44,.1);color:var(--cinnabar);border:1px solid rgba(190,74,44,.22)}
.badge-ink{background:rgba(246,241,228,.08);color:var(--on-ink);border:1px solid var(--ink-line)}
.badge-amber{background:var(--amber-soft);color:var(--amber-deep);border:1px solid rgba(224,168,62,.4)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding-top:20px;transition:padding .22s ease}
.nav-panel{
  display:flex;align-items:center;gap:20px;
  min-height:76px;padding:12px 18px;
  background:linear-gradient(180deg,var(--ink-2),var(--ink));
  border:1px solid var(--ink-line);
  border-radius:var(--r-l);
  box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck .nav-panel{box-shadow:var(--shadow-2)}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:50%;flex-shrink:0;
  background:
    radial-gradient(circle at center, transparent 0 5px, var(--ink) 5px 6px, transparent 6px 10px, var(--ink) 10px 11px, transparent 11px 100%),
    var(--amber);
  box-shadow:0 0 0 1px rgba(224,168,62,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-main{font-family:var(--font-serif);font-size:18px;font-weight:600;color:var(--on-ink);letter-spacing:.04em}
.brand-sub{font-size:12px;color:var(--amber);letter-spacing:.18em}
.nav-cats{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-cats a{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:12px;
  font-size:14px;color:rgba(243,236,220,.82);
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.nav-cats a:hover{background:rgba(224,168,62,.2);color:var(--amber)}
.nav-cats a.is-active{background:rgba(224,168,62,.16);color:var(--amber);border-color:rgba(224,168,62,.35)}
.nav-ico{
  width:28px;height:28px;border-radius:8px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(246,241,228,.08);color:inherit;transition:background-color .2s ease;
}
.nav-ico svg{width:16px;height:16px}
.nav-cats a:hover .nav-ico,.nav-cats a.is-active .nav-ico{background:rgba(224,168,62,.24)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(246,241,228,.08);border:1px solid var(--ink-line);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--on-ink);transition:.2s ease}
.nav-toggle:hover span{background:var(--amber)}

/* 抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:80;
  background:linear-gradient(180deg,var(--ink-2),var(--ink));
  padding:24px 20px 28px;
  display:flex;flex-direction:column;gap:18px;
  opacity:0;transform:translateY(-10px);pointer-events:none;
  transition:opacity .18s ease, transform .18s ease;
  overflow-y:auto;
}
.nav-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--ink-line)}
.drawer-close{
  width:44px;height:44px;border-radius:50%;background:rgba(246,241,228,.08);
  border:1px solid var(--ink-line);color:var(--on-ink);font-size:22px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:rgba(224,168,62,.2);color:var(--amber)}
.drawer-list{display:flex;flex-direction:column;gap:8px}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:48px;padding:0 16px;border-radius:var(--r-s);
  background:rgba(246,241,228,.05);border:1px solid var(--ink-line);
  color:var(--on-ink);font-size:15px;
}
.drawer-list a:hover{background:rgba(224,168,62,.18);color:var(--amber)}
.drawer-list a.is-active{background:rgba(224,168,62,.18);color:var(--amber);border-color:rgba(224,168,62,.4)}
.drawer-list .arrow{width:16px;height:16px;opacity:.6}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.drawer-foot p{font-size:12px;color:rgba(243,236,220,.55);line-height:1.7}

/* ---------- Hero ---------- */
.page-hero{padding:64px 0 8px}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.25;
  max-width:22em;
}
.hero-lead{margin-top:14px;font-size:17px;color:var(--muted);max-width:38em}
.meta-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:22px;font-size:13px;color:var(--muted);
}
.meta-line li{display:flex;align-items:center;gap:8px}
.meta-line li+li::before{content:"";display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--amber);margin-right:10px}
.meta-line strong{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- 通用板块 ---------- */
main > section{margin-top:var(--gap-section)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head .title-wrap{display:flex;align-items:flex-start;gap:14px}
.section-head h2{font-size:clamp(23px,2.8vw,34px);position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:.28em;width:3px;height:18px;border-radius:2px;background:var(--amber)}
.section-desc{margin-top:10px;font-size:15px;color:var(--muted);max-width:52em;padding-left:16px}
.section-head .head-action{flex-shrink:0}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:17px;top:14px;bottom:20px;width:2px;border-radius:2px;
  background:linear-gradient(180deg, rgba(224,168,62,.85), rgba(217,208,188,.55) 60%, rgba(217,208,188,.15));
}
.tl-item{
  position:relative;display:grid;grid-template-columns:76px 1fr;column-gap:44px;
  padding-bottom:26px;
}
.tl-item:last-child{padding-bottom:0}
.tl-axis{position:relative;display:flex;flex-direction:column;align-items:flex-start;padding-top:2px}
.tl-num{
  position:relative;z-index:1;
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--paper-2);border:1.5px solid var(--amber);color:var(--amber-deep);
  font-family:var(--font-serif);font-size:15px;font-weight:600;
  box-shadow:0 0 0 4px var(--paper);
}
.tl-hour{margin-top:10px;font-size:13px;color:var(--muted);letter-spacing:.14em;font-variant-numeric:tabular-nums}
.tl-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-m);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:border-color .28s ease, box-shadow .28s ease, transform .28s ease;
}
.tl-card:hover{border-color:rgba(224,168,62,.55);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.tl-card .card-top{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px}
.tl-card h3{font-size:18px;line-height:1.45}
.tl-card .tl-desc{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85}
.tl-card .tl-foot{
  display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:16px;padding-top:14px;
  border-top:1px dashed var(--line);font-size:13px;color:var(--muted);
}
.tl-card .tl-foot span{display:inline-flex;align-items:center;gap:6px}
.tl-card .tl-foot b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- 深墨面板 ---------- */
.panel-ink{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,var(--ink-2),var(--ink));
  border:1px solid var(--ink-line);border-radius:var(--r-l);
  padding:44px 40px;color:var(--on-ink);
  box-shadow:var(--shadow-2);
}
.panel-ink::after{
  content:"";position:absolute;right:-90px;top:-110px;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(224,168,62,.12);
  box-shadow:0 0 0 46px rgba(224,168,62,.06), 0 0 0 92px rgba(224,168,62,.04);
  pointer-events:none;
}
.panel-ink h2{color:var(--on-ink);font-size:clamp(23px,2.8vw,32px);position:relative;padding-left:16px}
.panel-ink h2::before{content:"";position:absolute;left:0;top:.28em;width:3px;height:18px;border-radius:2px;background:var(--amber)}
.panel-ink .panel-desc{margin-top:12px;font-size:15px;color:rgba(243,236,220,.72);max-width:48em;position:relative;padding-left:16px}
.faction-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px;position:relative;
}
.faction-card{
  background:rgba(246,241,228,.05);border:1px solid var(--ink-line);border-radius:var(--r-m);
  padding:20px;transition:border-color .25s ease, background-color .25s ease, transform .25s ease;
}
.faction-card:hover{border-color:rgba(224,168,62,.5);background:rgba(224,168,62,.09);transform:translateY(-2px)}
.faction-card .f-num{
  font-family:var(--font-serif);font-size:26px;color:var(--amber);line-height:1;
  font-variant-numeric:tabular-nums;
}
.faction-card h3{margin-top:12px;font-size:17px;color:var(--on-ink)}
.faction-card p{margin-top:8px;font-size:13px;line-height:1.8;color:rgba(243,236,220,.66)}

/* ---------- 设定卡片 ---------- */
.lore-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.lore-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-m);
  padding:24px;box-shadow:var(--shadow-1);
  transition:border-color .28s ease, box-shadow .28s ease, transform .28s ease;
}
.lore-card:hover{border-color:rgba(224,168,62,.55);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.lore-card h3{font-size:18px}
.lore-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;color:var(--muted);background:var(--paper-3);border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.tag:hover{background:var(--amber-soft);color:var(--amber-deep);border-color:rgba(224,168,62,.4)}

/* ---------- 核对流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step-card{
  position:relative;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-m);
  padding:24px;box-shadow:var(--shadow-1);
}
.step-card .step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:var(--r-s);
  background:var(--amber-soft);color:var(--amber-deep);
  font-family:var(--font-serif);font-size:15px;font-weight:600;
}
.step-card h3{margin-top:14px;font-size:17px}
.step-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.85}
.step-card::after{
  content:"";position:absolute;right:-12px;top:38px;width:24px;height:1px;
  background:repeating-linear-gradient(90deg,var(--line) 0 4px, transparent 4px 8px);
}
.step-card:last-child::after{display:none}

/* ---------- FAQ ---------- */
.faq-list{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-m);box-shadow:var(--shadow-1);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:15px;font-weight:500;cursor:pointer;list-style:none;
  color:var(--text);transition:background-color .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--amber-soft);color:var(--amber-deep)}
.faq-item summary::after{
  content:"+";font-size:20px;line-height:1;color:var(--amber-deep);flex-shrink:0;
  transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;font-size:14px;line-height:1.85;color:var(--muted)}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  background:linear-gradient(150deg,var(--ink-2),var(--ink));
  border:1px solid var(--ink-line);border-radius:var(--r-l);
  padding:48px;box-shadow:var(--shadow-2);
}
.cta-band::after{
  content:"";position:absolute;left:-70px;bottom:-120px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(224,168,62,.14);
  box-shadow:0 0 0 42px rgba(224,168,62,.05), 0 0 0 84px rgba(224,168,62,.035);
  pointer-events:none;
}
.cta-band .cta-text{position:relative;max-width:36em}
.cta-band h2{color:var(--on-ink);font-size:clamp(22px,2.6vw,30px)}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(243,236,220,.7)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-m);
  box-shadow:var(--shadow-1);
  transition:border-color .28s ease, box-shadow .28s ease, transform .28s ease;
}
.rel-card:hover{border-color:rgba(224,168,62,.55);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.rel-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-3)}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease;box-shadow:inset 0 0 0 1px rgba(28,23,16,.08)}
.rel-card:hover .rel-media img{transform:scale(1.03)}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;line-height:1.5}
.rel-body p{font-size:14px;color:var(--muted);line-height:1.8}
.rel-body .rel-foot{margin-top:auto;padding-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  background:linear-gradient(180deg,var(--ink-2),var(--ink));
  border-top:1px solid rgba(224,168,62,.35);
  color:var(--on-ink);
  padding:56px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(243,236,220,.66);max-width:24em}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-col h4{font-size:15px;color:var(--on-ink);margin-bottom:16px;letter-spacing:.06em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(243,236,220,.68);transition:color .2s ease}
.footer-col a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:4px}
.sub-form{display:flex;flex-direction:column;gap:10px}
.sub-form label{font-size:13px;color:rgba(243,236,220,.72)}
.sub-form input{
  height:44px;padding:0 14px;border-radius:var(--r-s);
  background:rgba(246,241,228,.08);border:1px solid var(--ink-line);
  color:var(--on-ink);font-size:14px;transition:border-color .2s ease, box-shadow .2s ease;
}
.sub-form input::placeholder{color:rgba(243,236,220,.4)}
.sub-form input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,168,62,.15)}
.sub-form input.is-error{border-color:var(--err)}
.sub-form .btn-primary{height:44px}
.form-tip{display:none;font-size:13px;line-height:1.7;padding:10px 12px;border-radius:var(--r-s);background:rgba(76,122,97,.22);color:#CFE6D8}
.form-tip.is-visible{display:block}
.form-tip.is-error{background:rgba(176,58,42,.22);color:#F2C9C0}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--ink-line);
  font-size:12px;color:rgba(243,236,220,.55);
}
.footer-bottom .fb-left{display:flex;flex-wrap:wrap;gap:6px 18px}
.footer-bottom a{color:rgba(243,236,220,.6)}
.footer-bottom a:hover{color:var(--amber)}
#backTop{width:38px;height:38px}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav-cats a{padding:8px 10px;font-size:13px}
  .faction-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:960px){
  :root{--gap-section:56px}
  .nav-cats{display:none}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .step-card::after{display:none}
}
@media (max-width:900px){
  .container{padding:0 20px}
  .page-hero{padding:48px 0 4px}
  .panel-ink{padding:34px 26px}
  .cta-band{padding:36px 28px}
  .lore-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  :root{--gap-section:44px}
  .container{padding:0 16px}
  .site-header{padding-top:12px}
  .nav-panel{min-height:66px;padding:10px 12px;gap:10px;border-radius:var(--r-m)}
  .brand-main{font-size:16px}
  .brand-sub{font-size:11px;letter-spacing:.14em}
  .brand-mark{width:28px;height:28px}
  .nav-actions .nav-cta{display:none}
  .page-hero{padding:40px 0 0}
  .page-hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-lead{font-size:15px}
  .meta-line{font-size:12px;gap:8px 12px}
  .meta-line li+li::before{margin-right:6px}
  .timeline::before{left:13px}
  .tl-item{grid-template-columns:1fr;row-gap:12px;padding-bottom:22px}
  .tl-axis{flex-direction:row;align-items:center;gap:12px;padding-top:0}
  .tl-num{width:28px;height:28px;font-size:13px}
  .tl-hour{margin-top:0}
  .tl-card{padding:18px}
  .tl-card h3{font-size:16px}
  .faction-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:44px 0 24px;margin-top:64px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-item summary{padding:16px 18px;font-size:14px}
  .faq-body{padding:0 18px 18px}
  .cta-band{padding:30px 22px}
  .panel-ink h2,.section-head h2{font-size:22px}
  .btn{height:44px;padding:0 20px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
:root{
  --ink:#1C1710; --ink-2:#2A2318; --ink-line:rgba(246,241,228,.14);
  --paper:#F6F1E4; --paper-2:#FDFAF2; --paper-3:#EFE8D6;
  --amber:#E0A83E; --amber-deep:#B5791D; --amber-soft:#FBEFD6;
  --bamboo:#4C7A61; --bamboo-soft:#DDEAE1;
  --cinnabar:#BE4A2C;
  --line:#D9D0BC; --text:#241E15; --muted:#6E6353; --on-ink:#F3ECDC;
  --ok:#3F7A55; --warn:#C08A24; --err:#B03A2A;
  --r-s:10px; --r-m:16px; --r-l:24px; --r-pill:999px;
  --shadow-1:0 1px 2px rgba(60,45,20,.06), 0 8px 24px -14px rgba(60,45,20,.28);
  --shadow-2:0 18px 40px -22px rgba(60,45,20,.42);
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.8;letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:.02em;line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:900px){.container{padding:0 20px}}
@media (max-width:640px){.container{padding:0 16px}}

/* ---------- header / nav ---------- */
.site-header{padding:20px 0 0;position:sticky;top:0;z-index:60}
.site-header.is-stuck .nav-panel{box-shadow:var(--shadow-2)}
.nav-panel{
  display:flex;align-items:center;gap:20px;
  background:var(--ink);color:var(--on-ink);
  border-radius:var(--r-l);border:1px solid var(--ink-line);
  padding:0 18px;min-height:76px;box-shadow:var(--shadow-1);
  transition:box-shadow .28s ease;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;padding:8px 4px;border-radius:var(--r-m)}
.brand-mark{
  width:34px;height:34px;border-radius:50%;flex-shrink:0;
  background:
    radial-gradient(circle at 50% 50%, rgba(28,23,16,.9) 0 4px, transparent 4.5px),
    radial-gradient(circle at 50% 50%, transparent 0 9px, rgba(28,23,16,.55) 9.5px 11px, transparent 11.5px),
    var(--amber);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-main{font-family:var(--serif);font-size:18px;font-weight:600;color:var(--on-ink)}
.brand-sub{font-size:12px;letter-spacing:.16em;color:var(--amber)}
.nav-cats{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:nowrap}
.nav-cats a{
  display:flex;align-items:center;gap:8px;
  padding:8px 11px;border-radius:12px;font-size:13.5px;color:rgba(243,236,220,.82);
  position:relative;transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-ico{
  width:28px;height:28px;flex-shrink:0;border-radius:8px;
  background:rgba(246,241,228,.08);display:grid;place-items:center;color:var(--amber);
  transition:background .2s ease;
}
.nav-ico svg{width:16px;height:16px}
.nav-cats a:hover{background:rgba(224,168,62,.12);color:var(--amber)}
.nav-cats a:hover .nav-ico{background:rgba(224,168,62,.20)}
.nav-cats a.is-active{background:rgba(224,168,62,.14);color:var(--amber)}
.nav-cats a.is-active .nav-ico{background:rgba(224,168,62,.24)}
.nav-cats a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--amber);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:8px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--ink-line);
  background:rgba(246,241,228,.06);cursor:pointer;position:relative;
}
.nav-toggle span{
  position:absolute;left:13px;width:18px;height:1.8px;background:var(--on-ink);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:16px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:26px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn:active{transform:translateY(0);box-shadow:none}
.btn:disabled,.btn[disabled]{opacity:.45;pointer-events:none;box-shadow:none}
.btn-primary{background:var(--amber);color:var(--ink);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--amber-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:transparent;border-color:rgba(243,236,220,.34);color:var(--on-ink)}
.btn-ghost:hover{border-color:var(--amber);background:var(--amber);color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline{background:var(--paper-2);border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--amber);color:var(--amber-deep);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px}
.link-btn{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--amber-deep);
  border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;
  background:none;border:none;padding:0;cursor:pointer;min-height:44px;
}
.link-btn svg{width:15px;height:15px;transition:transform .2s ease}
.link-btn:hover{color:var(--ink);border-bottom-color:var(--amber)}
.link-btn:hover svg{transform:translateX(2px)}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:rgba(246,241,228,.07);border:1px solid var(--ink-line);color:var(--on-ink);
  cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.icon-btn svg{width:17px;height:17px}
.icon-btn:hover{background:rgba(224,168,62,.22);color:var(--amber);transform:translateY(-1px);border-color:rgba(224,168,62,.5)}
.icon-btn:active{transform:translateY(0)}

/* ---------- badges / chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;line-height:1;white-space:nowrap;
}
.badge-bamboo{background:var(--bamboo-soft);color:#2F5540}
.badge-soft{background:var(--paper-3);color:var(--muted)}
.badge-amber{background:var(--amber-soft);color:#7A5310}
.badge-cinnabar{background:rgba(190,74,44,.10);color:#8E3520}
.badge-ink{background:rgba(246,241,228,.10);color:var(--on-ink)}

/* ---------- hero ---------- */
.cat-hero{padding:26px 0 0}
.hero-card{
  position:relative;overflow:hidden;border-radius:var(--r-l);
  background-image:linear-gradient(180deg,rgba(28,23,16,.88),rgba(28,23,16,.70)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:var(--on-ink);padding:44px 44px 40px;box-shadow:var(--shadow-2);
}
.hero-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(224,168,62,.22);
  box-shadow:0 0 0 34px rgba(224,168,62,.06),0 0 0 68px rgba(224,168,62,.04);
  pointer-events:none;
}
.hero-card .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;
  color:var(--amber);margin-bottom:14px;
}
.hero-card .eyebrow::before{content:"";width:3px;height:14px;background:var(--amber);border-radius:2px}
.hero-card h1{font-size:clamp(26px,3.6vw,42px);color:#fff;max-width:22em}
.hero-lead{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(243,236,220,.78);max-width:56em}
.hero-meta{
  margin-top:24px;display:flex;flex-wrap:wrap;gap:10px 28px;
  padding-top:18px;border-top:1px solid var(--ink-line);font-size:13px;color:rgba(243,236,220,.66);
}
.hero-meta strong{color:var(--amber);font-weight:600;font-variant-numeric:tabular-nums}
@media (max-width:640px){
  .hero-card{padding:30px 22px 28px}
  .hero-meta{gap:8px 18px}
}

/* ---------- section ---------- */
.section{padding:56px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;background:var(--amber);border-radius:2px;
}
.section-head .sub{font-size:14px;color:var(--muted);margin-top:8px;padding-left:16px;max-width:62em}

/* ---------- filter bar ---------- */
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-m);
  padding:14px 16px;box-shadow:var(--shadow-1);
}
.chip{
  height:34px;padding:0 16px;border-radius:var(--r-pill);font-size:13.5px;
  background:var(--paper-3);color:var(--muted);border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .16s ease;
  min-height:34px;
}
.chip:hover{color:var(--amber-deep);border-color:rgba(224,168,62,.5);transform:translateY(-1px)}
.chip:active{transform:translateY(0)}
.chip.is-on{background:var(--ink);color:var(--amber);border-color:var(--ink)}
.filter-count{margin-left:auto;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
@media (max-width:640px){.filter-count{margin-left:0;width:100%}}

/* ---------- record table ---------- */
.rec-board{
  margin-top:16px;background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r-m);overflow:hidden;box-shadow:var(--shadow-1);
}
.rec-head{
  display:grid;grid-template-columns:118px 1fr 138px 100px;gap:16px;
  padding:13px 22px;background:var(--paper-3);border-bottom:1px solid var(--line);
  font-size:12.5px;letter-spacing:.08em;color:var(--muted);
}
.rec-row{
  display:grid;grid-template-columns:118px 1fr 138px 100px;gap:16px;align-items:center;
  padding:15px 22px;border-bottom:1px dashed var(--line);
  transition:background .2s ease,box-shadow .2s ease;
}
.rec-row:last-child{border-bottom:none}
.rec-row:hover{background:var(--amber-soft);box-shadow:inset 3px 0 0 var(--amber)}
.rec-row:focus-within{background:var(--amber-soft);box-shadow:inset 3px 0 0 var(--amber)}
.rec-time{
  display:flex;flex-direction:column;line-height:1.35;
  font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px;
}
.rec-time .d{font-size:13.5px;color:var(--text);font-weight:500}
.rec-title{font-family:var(--serif);font-size:16.5px;font-weight:600;color:var(--text);min-width:0}
.rec-title a{transition:color .2s ease;border-bottom:1px solid transparent}
.rec-title a:hover{color:var(--amber-deep);border-bottom-color:rgba(224,168,62,.6)}
.rec-note{display:block;font-family:var(--sans);font-size:12.5px;font-weight:400;color:var(--muted);margin-top:3px;line-height:1.6}
.rec-cat,.rec-state{display:flex}
.rec-state{justify-content:flex-end}
.rec-empty{
  padding:44px 22px;text-align:center;color:var(--muted);font-size:14.5px;
  border:1px dashed var(--line);border-radius:var(--r-m);margin:16px 22px 22px;
}
@media (max-width:900px){
  .rec-head{display:none}
  .rec-row{grid-template-columns:1fr auto;gap:6px 12px;padding:16px 18px}
  .rec-title{grid-column:1/-1;order:-1;font-size:16px}
  .rec-time{flex-direction:row;align-items:baseline;gap:8px;grid-column:1}
  .rec-state{grid-column:2;justify-content:flex-end;align-self:center}
  .rec-cat{grid-column:1}
  .rec-row:hover{box-shadow:inset 3px 0 0 var(--amber)}
}

/* ---------- rhythm cards ---------- */
.rhythm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rhythm-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-m);
  padding:24px 22px;box-shadow:var(--shadow-1);transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.rhythm-card:hover{border-color:rgba(224,168,62,.55);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.rhythm-card .num{
  display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;
  background:var(--amber-soft);color:#7A5310;font-family:var(--serif);font-size:14px;margin-bottom:14px;
}
.rhythm-card h3{font-size:17.5px;margin-bottom:8px}
.rhythm-card p{font-size:14px;color:var(--muted);line-height:1.8}
@media (max-width:900px){.rhythm-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.rhythm-grid{grid-template-columns:1fr;gap:14px}}

/* ---------- cta strip ---------- */
.cta-strip{
  margin-top:56px;position:relative;overflow:hidden;
  background:var(--ink);color:var(--on-ink);border-radius:var(--r-l);
  border:1px solid var(--ink-line);padding:28px 34px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-strip::after{
  content:"";position:absolute;right:-40px;top:50%;transform:translateY(-50%);
  width:180px;height:180px;border-radius:50%;border:1px solid rgba(224,168,62,.20);
  box-shadow:0 0 0 26px rgba(224,168,62,.06);pointer-events:none;
}
.cta-strip .cta-txt h2{font-size:clamp(19px,2.2vw,24px);color:#fff;margin-bottom:6px}
.cta-strip .cta-txt p{font-size:14px;color:rgba(243,236,220,.72)}
.cta-strip .cta-actions{display:flex;gap:10px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:0;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;box-shadow:var(--shadow-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;cursor:pointer;font-size:15px;font-weight:500;list-style:none;
  transition:background .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--amber-soft);color:var(--amber-deep)}
.faq-item summary::after{
  content:"";width:12px;height:12px;flex-shrink:0;position:relative;
  background:
    linear-gradient(var(--amber-deep),var(--amber-deep)) center/12px 1.8px no-repeat,
    linear-gradient(var(--amber-deep),var(--amber-deep)) center/1.8px 12px no-repeat;
  transition:transform .24s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.85;max-width:64em}

/* ---------- related cards ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{border-color:rgba(224,168,62,.55);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper-3)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease;border-bottom:1px solid rgba(28,23,16,.08)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-body h3{font-size:17px;line-height:1.45}
.rel-body h3 a:hover{color:var(--amber-deep)}
.rel-body p{font-size:13.5px;color:var(--muted);line-height:1.75}
.rel-body .rel-foot{margin-top:auto;padding-top:8px}
@media (max-width:900px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.related-grid{grid-template-columns:1fr;gap:14px}}

/* ---------- mobile drawer ---------- */
.nav-drawer{
  position:fixed;inset:0;z-index:100;background:rgba(20,16,10,.55);
  opacity:0;pointer-events:none;transition:opacity .18s ease;
}
.nav-drawer.is-open{opacity:1;pointer-events:auto}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(86vw,340px);height:100%;
  background:var(--ink);color:var(--on-ink);padding:20px;
  display:flex;flex-direction:column;gap:6px;
  transform:translateX(12px);transition:transform .18s ease;
  overflow-y:auto;border-left:1px solid var(--ink-line);
}
.nav-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:48px;padding:0 14px;border-radius:12px;font-size:15px;
  background:rgba(246,241,228,.05);border:1px solid transparent;
  transition:background .2s ease,color .2s ease;
}
.drawer-link:hover{background:rgba(224,168,62,.16);color:var(--amber)}
.drawer-link.is-active{background:rgba(224,168,62,.18);color:var(--amber);border-color:rgba(224,168,62,.4)}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--ink-line);display:grid;gap:10px}
.drawer-foot p{font-size:12px;color:rgba(243,236,220,.5)}

/* ---------- footer ---------- */
.site-footer{margin-top:72px;background:var(--ink);color:var(--on-ink);border-top:1px solid rgba(224,168,62,.35);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand .brand{padding:0;margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:rgba(243,236,220,.62);line-height:1.85;max-width:26em}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-col h4{font-size:14px;color:var(--amber);margin-bottom:14px;letter-spacing:.06em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:rgba(243,236,220,.72);transition:color .2s ease,border-color .2s ease;border-bottom:1px solid transparent}
.footer-col a:hover{color:var(--amber);border-bottom-color:rgba(224,168,62,.6)}
.sub-form{display:grid;gap:8px}
.sub-form label{font-size:13px;color:rgba(243,236,220,.66)}
.sub-form input{
  height:44px;border-radius:var(--r-s);border:1px solid rgba(246,241,228,.18);
  background:rgba(246,241,228,.06);color:var(--on-ink);padding:0 14px;font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.sub-form input::placeholder{color:rgba(243,236,220,.34)}
.sub-form input:focus{outline:none;border-color:var(--amber);background:rgba(246,241,228,.10);box-shadow:0 0 0 3px rgba(224,168,62,.18)}
.sub-form input.is-error{border-color:var(--cinnabar);box-shadow:0 0 0 3px rgba(190,74,44,.16)}
.sub-form .btn-primary{width:100%;margin-top:2px}
.form-tip{font-size:12px;color:rgba(243,236,220,.5);line-height:1.7;display:none}
.form-tip.is-show{display:block}
.form-tip.is-ok{color:#9ED3B2}
.form-tip.is-err{color:#E9A492}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--ink-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(243,236,220,.55);
}
.footer-bottom .fb-left{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.to-top{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(246,241,228,.24);
  background:transparent;color:rgba(243,236,220,.8);display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.to-top svg{width:16px;height:16px}
.to-top:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-2px)}
@media (max-width:900px){
  .nav-cats,.nav-actions .btn-ghost{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .nav-actions{margin-left:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:640px){
  .nav-panel{min-height:66px;padding:0 12px;gap:10px}
  .brand-main{font-size:16px}
  .brand-mark{width:30px;height:30px}
  .nav-actions .btn{height:38px;padding:0 16px;font-size:13.5px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:40px 0 22px;margin-top:52px}
  .section{padding:44px 0 0}
  .cta-strip{padding:24px 20px}
}

/* roulang page: category5 */
:root{
  --ink:#1C1710;
  --ink-2:#2A2318;
  --ink-line:rgba(246,241,228,.14);
  --paper:#F6F1E4;
  --paper-2:#FDFAF2;
  --paper-3:#EFE8D6;
  --amber:#E0A83E;
  --amber-deep:#B5791D;
  --amber-soft:#FBEFD6;
  --bamboo:#4C7A61;
  --bamboo-soft:#DDEAE1;
  --cinnabar:#BE4A2C;
  --line:#D9D0BC;
  --text:#241E15;
  --muted:#6E6353;
  --on-ink:#F3ECDC;
  --ok:#3F7A55;
  --err:#B03A2A;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(60,45,20,.06), 0 8px 24px -14px rgba(60,45,20,.28);
  --shadow-2:0 18px 40px -22px rgba(60,45,20,.42);
  --serif:"Noto Serif SC","Songti SC",SimSun,serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--amber-deep);text-decoration:underline;text-underline-offset:4px;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.3;
  color:var(--text);
}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:500;
  line-height:1;
  white-space:nowrap;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{
  background:var(--amber);
  color:var(--ink);
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{
  background:var(--amber-deep);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--line);
}
.btn-ghost:hover{
  border-color:var(--amber);
  color:var(--amber-deep);
  transform:translateY(-1px);
}
.btn-ghost-light{
  background:transparent;
  color:var(--on-ink);
  border-color:rgba(246,241,228,.34);
}
.btn-ghost-light:hover{
  background:var(--amber);
  border-color:var(--amber);
  color:var(--ink);
  transform:translateY(-1px);
  text-decoration:none;
}
.btn:disabled,.btn[disabled]{opacity:.45;pointer-events:none;transform:none;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:500;
  color:var(--amber-deep);
}
.text-link .arw{transition:transform .2s ease;}
.text-link:hover .arw{transform:translateX(2px);}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid rgba(246,241,228,.24);
  background:rgba(246,241,228,.06);
  color:var(--on-ink);
  transition:background .2s ease, border-color .2s ease, transform .2s ease, color .2s ease;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{
  background:rgba(224,168,62,.2);
  border-color:rgba(224,168,62,.6);
  color:var(--amber);
  transform:translateY(-1px);
}
.icon-btn:active{transform:translateY(0);}

/* ============ 导航 ============ */
.site-header{
  padding-top:20px;
  position:sticky;
  top:0;
  z-index:60;
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:24px;
  background:var(--ink);
  border:1px solid var(--ink-line);
  border-radius:var(--r-l);
  padding:0 20px;
  min-height:76px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck .nav-panel{box-shadow:var(--shadow-2);}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:32px;height:32px;
  border-radius:50%;
  background:
    radial-gradient(circle at center, rgba(28,23,16,.92) 0 5px, transparent 5px 8px),
    radial-gradient(circle at center, transparent 0 12px, rgba(28,23,16,.55) 12px 14px, transparent 14px),
    var(--amber);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{
  font-family:var(--serif);
  font-size:18px;
  font-weight:600;
  letter-spacing:.03em;
  color:var(--on-ink);
}
.brand-sub{
  font-size:12px;
  letter-spacing:.28em;
  color:var(--amber);
}
.nav-cats{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-cats li a{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border-radius:var(--r-s);
  font-size:13.5px;
  color:rgba(243,236,220,.82);
  white-space:nowrap;
  transition:background .2s ease, color .2s ease;
  position:relative;
}
.nav-cats li a:hover{
  background:rgba(224,168,62,.2);
  color:var(--amber);
  text-decoration:none;
}
.nav-ico{
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;
  background:rgba(246,241,228,.08);
  color:inherit;
  flex-shrink:0;
  transition:background .2s ease;
}
.nav-ico svg{width:15px;height:15px;}
.nav-cats li a:hover .nav-ico{background:rgba(224,168,62,.2);}
.nav-cats li a.is-active{
  color:var(--amber);
  background:rgba(224,168,62,.14);
}
.nav-cats li a.is-active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--amber);
}
.nav-cta{
  display:flex;
  align-items:center;
  gap:8px;
  flex-shrink:0;
  margin-left:8px;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid rgba(246,241,228,.24);
  background:rgba(246,241,228,.06);
  color:var(--on-ink);
  margin-left:auto;
}
.nav-toggle svg{width:20px;height:20px;}
.nav-toggle:hover{background:rgba(224,168,62,.2);border-color:rgba(224,168,62,.6);color:var(--amber);}

.nav-drawer{
  display:none;
  position:absolute;
  left:0;right:0;
  top:calc(100% + 10px);
  background:var(--ink);
  border:1px solid var(--ink-line);
  border-radius:var(--r-l);
  padding:16px;
  box-shadow:var(--shadow-2);
  opacity:0;
  transform:translateY(-8px);
  transition:opacity .18s ease, transform .18s ease;
}
.site-header .container{position:relative;}
.nav-drawer.open{opacity:1;transform:translateY(0);}
.nav-drawer ul{display:flex;flex-direction:column;gap:6px;}
.nav-drawer ul li a{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:48px;
  padding:0 12px;
  border-radius:var(--r-s);
  color:var(--on-ink);
  font-size:14.5px;
  background:rgba(246,241,228,.05);
}
.nav-drawer ul li a:hover,
.nav-drawer ul li a.is-active{background:rgba(224,168,62,.18);color:var(--amber);text-decoration:none;}
.drawer-foot{
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid var(--ink-line);
  display:flex;
  flex-direction:column;
  gap:10px;
}
.drawer-foot .mini{font-size:12px;color:rgba(243,236,220,.5);}

/* ============ Hero ============ */
.page-hero{
  margin-top:28px;
  position:relative;
  overflow:hidden;
  border-radius:var(--r-l);
  background:var(--ink);
  color:var(--on-ink);
  border:1px solid var(--ink-line);
  box-shadow:var(--shadow-2);
  isolation:isolate;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(180deg, rgba(28,23,16,.86), rgba(28,23,16,.64)), url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  z-index:-2;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:320px;
  height:320px;
  border-radius:50%;
  border:2px solid rgba(224,168,62,.16);
  box-shadow:0 0 0 40px rgba(224,168,62,.06), inset 0 0 0 32px rgba(224,168,62,.05);
  z-index:-1;
  pointer-events:none;
}
.hero-inner{
  padding:52px 48px 46px;
  max-width:760px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(224,168,62,.18);
  border:1px solid rgba(224,168,62,.36);
  color:var(--amber);
  font-size:12px;
  letter-spacing:.08em;
  margin-bottom:18px;
}
.kicker .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--cinnabar);
}
.page-hero h1{
  font-size:clamp(28px,4.2vw,46px);
  color:var(--on-ink);
  letter-spacing:.02em;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--amber);
}
.hero-lead{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:rgba(243,236,220,.82);
  max-width:640px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  margin-top:20px;
  font-size:13px;
  color:rgba(243,236,220,.62);
  font-variant-numeric:tabular-nums;
}
.hero-meta span{display:inline-flex;align-items:center;gap:6px;}
.hero-meta b{color:var(--amber);font-weight:600;font-variant-numeric:tabular-nums;}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}

/* ============ 通用板块 ============ */
.section{padding:64px 0 0;}
.section:last-of-type{padding-bottom:0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
}
.section-title{
  font-size:clamp(23px,2.8vw,32px);
  display:flex;
  align-items:center;
  gap:12px;
}
.section-title::before{
  content:"";
  width:3px;height:22px;
  border-radius:2px;
  background:var(--amber);
  flex-shrink:0;
}
.section-lead{
  margin-top:10px;
  font-size:14.5px;
  color:var(--muted);
  max-width:640px;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  line-height:1;
  font-weight:500;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-bamboo{background:var(--bamboo-soft);color:#2F5540;}
.badge-time{background:var(--paper-3);color:var(--muted);font-variant-numeric:tabular-nums;}
.badge-amber{background:var(--amber-soft);color:#7A5210;}

/* ============ 入门要点卡 ============ */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step-card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:24px 22px 22px;
  box-shadow:var(--shadow-1);
  position:relative;
  transition:border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.step-card:hover{
  border-color:rgba(224,168,62,.55);
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
}
.card-num{
  position:absolute;
  top:-13px;
  left:20px;
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--amber);
  color:var(--ink);
  font-family:var(--serif);
  font-size:14px;
  font-weight:600;
  box-shadow:0 4px 10px -6px rgba(60,45,20,.5);
}
.step-card h3{
  font-size:17px;
  margin:6px 0 10px;
}
.step-card p{
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
}
.step-card .step-foot{
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:12.5px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}

/* ============ FAQ ============ */
.faq-wrap{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:12px 32px;
  box-shadow:var(--shadow-1);
}
.faq-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  column-gap:48px;
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:20px 0;
  font-size:15px;
  font-weight:500;
  line-height:1.6;
  color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-family:var(--sans);
  font-size:19px;
  line-height:1;
  font-weight:400;
  color:var(--amber-deep);
  margin-top:2px;
  transition:transform .22s ease, color .22s ease;
  flex-shrink:0;
}
.faq-item summary:hover{color:var(--amber-deep);}
.faq-item[open] summary{color:var(--amber-deep);}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-answer{
  padding:0 24px 20px 0;
  font-size:14px;
  line-height:1.85;
  color:var(--muted);
}
.faq-answer strong{color:var(--text);font-weight:500;}

/* ============ 表单区 ============ */
.ask-panel{
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:48px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:40px;
  box-shadow:var(--shadow-1);
}
.ask-intro h2{
  font-size:clamp(22px,2.4vw,28px);
  margin-bottom:14px;
}
.ask-intro p{
  font-size:14.5px;
  color:var(--muted);
  line-height:1.85;
}
.ask-points{
  margin-top:22px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.ask-points li{
  display:flex;
  gap:10px;
  font-size:13.5px;
  color:var(--muted);
  align-items:flex-start;
}
.ask-points li::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--amber);
  margin-top:9px;
  flex-shrink:0;
}
.form-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.field{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-bottom:18px;
}
.field label{
  font-size:13px;
  color:var(--muted);
  letter-spacing:.02em;
}
.field .req{color:var(--cinnabar);}
.field input,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-s);
  background:var(--paper);
  padding:0 14px;
  height:44px;
  font-size:15px;
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field textarea{
  height:auto;
  min-height:120px;
  padding:12px 14px;
  line-height:1.7;
  resize:vertical;
}
.field input::placeholder,
.field textarea::placeholder{color:#A5998A;}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--amber);
  background:var(--paper-2);
  box-shadow:0 0 0 4px rgba(224,168,62,.16);
}
.field.has-error input,
.field.has-error textarea{border-color:var(--cinnabar);}
.field .err-msg{
  display:none;
  font-size:12px;
  color:var(--cinnabar);
}
.field.has-error .err-msg{display:block;}
.form-actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-top:4px;
}
.form-actions .hint{font-size:12.5px;color:var(--muted);}
.success-bar{
  display:none;
  margin-top:16px;
  background:var(--bamboo-soft);
  color:#2F5540;
  border-radius:var(--r-s);
  padding:12px 16px;
  font-size:13.5px;
}
.success-bar.show{display:block;}

/* ============ 相关推荐 ============ */
.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.rec-card{
  display:flex;
  flex-direction:column;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .28s ease, box-shadow .28s ease, transform .28s ease;
}
.rec-card:hover{
  border-color:rgba(224,168,62,.55);
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
}
.rec-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  border-bottom:1px solid rgba(28,23,16,.08);
}
.rec-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .28s ease;
}
.rec-card:hover .rec-thumb img{transform:scale(1.03);}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;line-height:1.45;}
.rec-body p{font-size:13.5px;color:var(--muted);line-height:1.75;}
.rec-foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px dashed var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}

/* ============ CTA ============ */
.cta-band{
  margin-top:64px;
  position:relative;
  overflow:hidden;
  background:var(--ink);
  border:1px solid var(--ink-line);
  border-radius:var(--r-l);
  padding:48px;
  color:var(--on-ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--shadow-2);
  isolation:isolate;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;
  bottom:-120px;
  width:280px;height:280px;
  border-radius:50%;
  border:2px solid rgba(224,168,62,.14);
  box-shadow:0 0 0 34px rgba(224,168,62,.05);
  z-index:-1;
}
.cta-band h2{
  font-size:clamp(22px,2.6vw,30px);
  color:var(--on-ink);
}
.cta-band p{
  margin-top:10px;
  font-size:14.5px;
  color:rgba(243,236,220,.72);
  max-width:520px;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:80px;
  background:var(--ink);
  border-top:1px solid rgba(224,168,62,.35);
  color:var(--on-ink);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{
  font-size:13.5px;
  line-height:1.85;
  color:rgba(243,236,220,.62);
  max-width:280px;
}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-col h4{
  font-size:14px;
  color:var(--on-ink);
  letter-spacing:.08em;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul li a{
  font-size:13.5px;
  color:rgba(243,236,220,.66);
}
.footer-col ul li a:hover{color:var(--amber);text-decoration:none;}
.sub-form{display:flex;flex-direction:column;gap:10px;}
.sub-form label{
  font-size:13px;
  color:rgba(243,236,220,.66);
}
.sub-form input{
  height:44px;
  border-radius:var(--r-s);
  border:1px solid rgba(246,241,228,.2);
  background:rgba(246,241,228,.06);
  color:var(--on-ink);
  padding:0 14px;
  font-size:14px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.sub-form input::placeholder{color:rgba(243,236,220,.36);}
.sub-form input:focus{
  outline:none;
  border-color:var(--amber);
  box-shadow:0 0 0 4px rgba(224,168,62,.16);
}
.sub-form .btn{padding:0 20px;}
.form-tip{
  display:none;
  font-size:12.5px;
  color:#A8CFB6;
}
.form-tip.show{display:block;}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--ink-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  font-size:12px;
  color:rgba(243,236,220,.55);
}
.footer-bottom .to-top{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid rgba(246,241,228,.24);
  color:rgba(243,236,220,.7);
  transition:border-color .2s ease, color .2s ease, transform .2s ease;
}
.footer-bottom .to-top:hover{
  border-color:var(--amber);
  color:var(--amber);
  transform:translateY(-2px);
  text-decoration:none;
}
.footer-bottom .to-top svg{width:16px;height:16px;}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-cats li a{font-size:12.5px;padding:8px;gap:6px;}
}
@media (max-width:900px){
  .nav-cats{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-drawer{display:block;}
  .nav-panel{min-height:70px;padding:0 14px;gap:12px;}
  .nav-cta{display:none;}
  .hero-inner{padding:40px 28px 36px;}
  .section{padding-top:52px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .faq-grid{grid-template-columns:1fr;column-gap:0;}
  .faq-wrap{padding:8px 22px;}
  .ask-panel{grid-template-columns:1fr;gap:28px;padding:28px;}
  .rec-grid{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;gap:24px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .site-header{padding-top:12px;}
  .page-hero{margin-top:18px;}
  .page-hero::after{width:200px;height:200px;right:-90px;top:-90px;box-shadow:0 0 0 24px rgba(224,168,62,.06);}
  .hero-inner{padding:32px 20px 30px;}
  .hero-lead{font-size:15px;}
  .hero-meta{font-size:12.5px;gap:8px 14px;}
  .hero-actions .btn{width:100%;}
  .steps-grid{grid-template-columns:1fr;gap:20px;}
  .section{padding-top:44px;}
  .rec-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .faq-wrap{padding:6px 16px;}
  .faq-item summary{font-size:14.5px;padding:18px 0;}
  .ask-panel{padding:22px 18px;}
  .cta-band{padding:28px 22px;margin-top:44px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand p{max-width:none;}
  .site-footer{padding-top:44px;margin-top:56px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:520px){
  .brand-main{font-size:16px;}
  .brand-sub{letter-spacing:.2em;}
  .section-title{font-size:22px;}
}