/* roulang page: index */
:root{
  --c-bg:#0f0d14;
  --c-bg-2:#171420;
  --c-surface:#1e1a2b;
  --c-surface-2:#26213a;
  --c-border:#2f2a44;
  --c-text:#eee7f5;
  --c-muted:#a49dbb;
  --c-accent:#ff4d8a;
  --c-accent-2:#ffb347;
  --c-gold:#f5c76a;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.25);
  --shadow:0 12px 40px rgba(0,0,0,.4);
  --shadow-glow:0 0 0 1px rgba(255,77,138,.35), 0 12px 40px rgba(255,77,138,.15);
  --sp-1:6px; --sp-2:12px; --sp-3:20px; --sp-4:32px; --sp-5:52px; --sp-6:80px;
  --f-sans:"Helvetica Neue","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
  --f-serif:"Playfair Display","Noto Serif SC",Georgia,serif;
  --trans:.25s cubic-bezier(.4,.14,.3,1);
}
*,*:before,*:after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--f-sans);
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--trans)}
a:hover{color:var(--c-accent)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4{font-family:var(--f-serif);font-weight:700;line-height:1.25;margin:0 0 var(--sp-3)}
p{margin:0 0 var(--sp-2)}
.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(15,13,20,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-border);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.brand{
  display:flex;align-items:center;gap:12px;
  font-family:var(--f-serif);font-size:22px;font-weight:800;
  letter-spacing:.5px;
}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-accent) 0%,var(--c-accent-2) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-family:var(--f-serif);font-size:20px;
  box-shadow:var(--shadow-glow);
}
.nav-menu{
  display:flex;gap:6px;list-style:none;margin:0;padding:0;
}
.nav-menu a{
  display:inline-block;
  padding:10px 16px;border-radius:999px;
  font-size:14.5px;font-weight:500;
  color:var(--c-muted);
  transition:all var(--trans);
}
.nav-menu a:hover,.nav-menu a.active{
  color:#fff;background:var(--c-surface-2);
}
.nav-menu a.active{
  color:#fff;
  background:linear-gradient(135deg,var(--c-accent) 0%,#c93b74 100%);
}
.nav-cta{
  padding:10px 22px;border-radius:999px;
  background:var(--c-accent);color:#fff;font-weight:600;font-size:14px;
  transition:all var(--trans);
}
.nav-cta:hover{background:var(--c-accent-2);color:#111;transform:translateY(-1px)}
.nav-toggle{display:none;font-size:24px;padding:8px}

/* HERO */
.hero{
  position:relative;
  min-height:640px;
  padding:110px 0 120px;
  overflow:hidden;
  isolation:isolate;
}
.hero:before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero:after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(70% 50% at 20% 40%, rgba(255,77,138,.35), transparent 70%),
    linear-gradient(180deg, rgba(15,13,20,.7) 0%, rgba(15,13,20,.9) 60%, var(--c-bg) 100%);
}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:60px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border:1px solid var(--c-border);
  border-radius:999px;font-size:12.5px;letter-spacing:2px;
  color:var(--c-gold);background:rgba(0,0,0,.35);
  text-transform:uppercase;
  margin-bottom:24px;
}
.hero-tag .dot{width:6px;height:6px;background:var(--c-gold);border-radius:50%}
.hero h1{
  font-size:clamp(38px,5.4vw,68px);
  margin-bottom:24px;
  letter-spacing:-.5px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--c-accent),var(--c-gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  font-size:18px;color:var(--c-muted);
  max-width:560px;margin-bottom:36px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:15px 30px;border-radius:14px;
  font-weight:600;font-size:15px;
  transition:all var(--trans);
  border:1px solid transparent;
}
.btn-primary{
  background:linear-gradient(135deg,var(--c-accent),#e0407c);color:#fff;
  box-shadow:0 10px 30px rgba(255,77,138,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(255,77,138,.55);color:#fff}
.btn-ghost{border-color:var(--c-border);color:var(--c-text);background:rgba(30,26,43,.6)}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent)}
.hero-stats{
  display:flex;gap:32px;flex-wrap:wrap;
  padding-top:26px;border-top:1px dashed var(--c-border);
}
.hero-stat b{
  display:block;font-family:var(--f-serif);font-size:30px;
  background:linear-gradient(120deg,var(--c-gold),var(--c-accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-stat span{font-size:13px;color:var(--c-muted);letter-spacing:1px}
.hero-visual{
  position:relative;height:520px;
}
.hero-card{
  position:absolute;border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,.08);
}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card.hc-1{top:0;right:60px;width:70%;height:60%;z-index:2;transform:rotate(-3deg)}
.hero-card.hc-2{bottom:0;left:0;width:60%;height:55%;z-index:3;transform:rotate(4deg)}
.hero-card.hc-3{bottom:40px;right:0;width:45%;height:40%;z-index:1;transform:rotate(-6deg)}
.hero-card .cap{
  position:absolute;left:14px;bottom:14px;
  padding:5px 12px;border-radius:999px;
  background:rgba(0,0,0,.65);font-size:12px;color:#fff;
  backdrop-filter:blur(6px);
}

/* SECTION BASE */
section{padding:var(--sp-6) 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto var(--sp-5)}
.sec-eyebrow{
  display:inline-block;color:var(--c-accent);
  font-size:13px;font-weight:600;letter-spacing:3px;
  text-transform:uppercase;margin-bottom:12px;
}
.sec-head h2{font-size:clamp(28px,3.6vw,44px);margin-bottom:14px}
.sec-head p{color:var(--c-muted);font-size:16px}

/* CATEGORIES */
.cats{background:linear-gradient(180deg,var(--c-bg) 0%,var(--c-bg-2) 100%)}
.cat-grid{
  display:grid;grid-template-columns:repeat(6,1fr);
  gap:20px;
}
.cat-card{
  position:relative;grid-column:span 2;
  border-radius:var(--radius);
  overflow:hidden;aspect-ratio:4/5;
  border:1px solid var(--c-border);
  transition:transform var(--trans),box-shadow var(--trans);
}
.cat-card:nth-child(1){grid-column:span 3}
.cat-card:nth-child(2){grid-column:span 3}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.cat-card img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s ease;
}
.cat-card:hover img{transform:scale(1.06)}
.cat-card .overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(0,0,0,.85) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:24px 22px;
}
.cat-card .num{
  position:absolute;top:18px;left:20px;
  font-family:var(--f-serif);font-size:44px;
  color:rgba(255,255,255,.9);
  line-height:1;
  text-shadow:0 2px 20px rgba(0,0,0,.6);
}
.cat-card h3{
  font-size:24px;margin:0 0 6px;color:#fff;
}
.cat-card p{color:rgba(255,255,255,.75);font-size:13.5px;margin:0}
.cat-card .arrow{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:12px;font-size:13px;color:var(--c-gold);
  font-weight:600;letter-spacing:1px;
}

/* FEATURES */
.features{background:var(--c-bg-2)}
.feat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.feat-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius);
  padding:32px 26px;
  transition:all var(--trans);
  position:relative;overflow:hidden;
}
.feat-card:before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--c-accent),var(--c-gold));
  transform:scaleX(0);transform-origin:left;transition:transform .4s ease;
}
.feat-card:hover{border-color:var(--c-accent);transform:translateY(-4px)}
.feat-card:hover:before{transform:scaleX(1)}
.feat-ico{
  width:52px;height:52px;border-radius:14px;
  background:rgba(255,77,138,.12);
  color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
  font-size:24px;margin-bottom:20px;
}
.feat-card h3{font-size:19px;margin-bottom:10px}
.feat-card p{color:var(--c-muted);font-size:14.5px;margin:0}

/* GALLERY */
.gallery-strip{
  display:grid;grid-template-columns:1fr 1fr 1fr;
  gap:16px;margin-top:var(--sp-4);
}
.gal-item{
  position:relative;border-radius:var(--radius);
  overflow:hidden;aspect-ratio:3/4;
}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.gal-item:hover img{transform:scale(1.05)}
.gal-item .badge{
  position:absolute;top:14px;left:14px;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,77,138,.9);color:#fff;font-size:12px;font-weight:600;
}
.gal-item .meta{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.8));
}
.gal-item .meta b{display:block;font-size:16px;margin-bottom:2px}
.gal-item .meta span{font-size:12.5px;color:rgba(255,255,255,.75)}

/* CMS LATEST */
.latest{background:linear-gradient(180deg,var(--c-bg-2) 0%,var(--c-bg) 100%)}
.latest-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.post-card{
  display:flex;gap:20px;padding:22px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius);
  transition:all var(--trans);
}
.post-card:hover{
  border-color:var(--c-accent);
  transform:translateX(4px);
  box-shadow:var(--shadow-sm);
}
.post-thumb{
  flex:0 0 120px;height:120px;
  border-radius:12px;overflow:hidden;
  background:var(--c-surface-2);
  position:relative;
}
.post-thumb:before{
  content:"图集";
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-accent);font-family:var(--f-serif);font-size:22px;
  background:linear-gradient(135deg,rgba(255,77,138,.15),rgba(245,199,106,.1));
}
.post-body{flex:1;min-width:0}
.post-cat{
  display:inline-block;padding:3px 10px;
  background:rgba(255,179,71,.15);color:var(--c-gold);
  border-radius:6px;font-size:11.5px;letter-spacing:1px;font-weight:600;
  margin-bottom:10px;
}
.post-body h3{
  font-family:var(--f-sans);font-size:17px;font-weight:600;
  margin-bottom:8px;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body h3 a:hover{color:var(--c-accent)}
.post-excerpt{
  color:var(--c-muted);font-size:13.5px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:10px;
}
.post-date{font-size:12px;color:var(--c-muted)}
.empty{
  grid-column:1/-1;
  text-align:center;padding:60px 20px;
  color:var(--c-muted);
  border:1px dashed var(--c-border);border-radius:var(--radius);
}

/* SHOWCASE */
.showcase{
  position:relative;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  isolation:isolate;
}
.showcase:before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(135deg,rgba(15,13,20,.92),rgba(15,13,20,.75));
}
.showcase-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
}
.showcase h2{font-size:clamp(28px,3.4vw,42px)}
.showcase-list{list-style:none;padding:0;margin:24px 0 32px}
.showcase-list li{
  display:flex;gap:14px;padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.showcase-list b{
  display:block;font-family:var(--f-serif);color:var(--c-gold);
  font-size:22px;flex:0 0 46px;
}
.showcase-list strong{display:block;font-size:16px;margin-bottom:3px}
.showcase-list span{color:var(--c-muted);font-size:13.5px}
.showcase-img{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--shadow);
  aspect-ratio:4/5;
}
.showcase-img img{width:100%;height:100%;object-fit:cover}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--trans);
}
.faq-item[open]{border-color:var(--c-accent)}
.faq-item summary{
  padding:22px 26px;
  font-weight:600;font-size:16px;
  cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{
  content:"+";font-size:28px;color:var(--c-accent);
  font-weight:300;line-height:1;transition:transform var(--trans);
}
.faq-item[open] summary:after{content:"−"}
.faq-item .a{padding:0 26px 22px;color:var(--c-muted);font-size:14.5px;line-height:1.75}

/* CTA */
.cta{
  padding:var(--sp-5) 0;
}
.cta-box{
  background:
    radial-gradient(70% 60% at 20% 30%, rgba(255,179,71,.2), transparent),
    linear-gradient(135deg,#2b1a2f 0%,#3a1e2a 100%);
  border:1px solid rgba(255,179,71,.25);
  border-radius:var(--radius-lg);
  padding:60px 50px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
}
.cta-box h2{font-size:clamp(26px,3vw,36px);margin-bottom:14px}
.cta-box p{color:var(--c-muted);font-size:15.5px;margin:0}
.cta-actions{display:flex;flex-direction:column;gap:12px}

/* FOOTER */
.site-footer{
  background:#0a0810;padding:var(--sp-6) 0 30px;
  border-top:1px solid var(--c-border);
}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  margin-bottom:var(--sp-5);
}
.foot-brand p{color:var(--c-muted);font-size:14px;margin-top:16px;max-width:320px}
.foot-col h4{font-family:var(--f-sans);font-size:14px;letter-spacing:2px;text-transform:uppercase;color:var(--c-gold);margin-bottom:20px}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin-bottom:10px}
.foot-col a{color:var(--c-muted);font-size:14px}
.foot-col a:hover{color:var(--c-accent)}
.foot-bottom{
  padding-top:26px;border-top:1px solid var(--c-border);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  color:var(--c-muted);font-size:13px;
}

/* RESPONSIVE */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{height:420px;max-width:520px;margin:0 auto;width:100%}
  .cat-grid{grid-template-columns:repeat(4,1fr)}
  .cat-card,.cat-card:nth-child(1),.cat-card:nth-child(2){grid-column:span 2}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
  .showcase-grid,.cta-box,.latest-wrap{grid-template-columns:1fr;gap:36px}
}
@media (max-width:768px){
  .nav{height:64px}
  .nav-menu{
    display:none;position:absolute;top:64px;left:0;right:0;
    flex-direction:column;background:var(--c-bg-2);
    padding:16px;gap:4px;border-bottom:1px solid var(--c-border);
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 18px}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  section{padding:var(--sp-5) 0}
  .hero{padding:70px 0 80px;min-height:auto}
  .hero-visual{height:380px}
  .hero-stats{gap:22px}
  .gallery-strip{grid-template-columns:1fr 1fr;gap:12px}
  .cta-box{padding:36px 26px}
  .feat-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  h2{font-size:26px}
  .hero h1{font-size:34px}
  .cat-grid{grid-template-columns:1fr;gap:16px}
  .cat-card,.cat-card:nth-child(1),.cat-card:nth-child(2){grid-column:span 1;aspect-ratio:5/4}
  .post-card{flex-direction:column;padding:16px}
  .post-thumb{flex:0 0 auto;width:100%;height:160px}
  .foot-grid{grid-template-columns:1fr}
  .hero-visual{height:320px}
  .hero-card.hc-1{width:75%;right:20px}
  .hero-card.hc-2{width:65%}
  .hero-card.hc-3{width:50%}
  .gallery-strip{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --bg:#0e0b12;
  --bg-2:#141018;
  --panel:#1b1622;
  --panel-2:#221b2b;
  --line:#2c2437;
  --text:#f4ecf8;
  --muted:#a89bb5;
  --brand:#e94a8a;
  --brand-2:#b25cff;
  --accent:#ffd15c;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-soft:0 4px 14px rgba(0,0,0,.25);
  --container:1180px;
  --gap:24px;
  --gap-lg:48px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:linear-gradient(180deg,#0b0810 0%,#120d18 100%);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--text);text-decoration:none;transition:color .2s}
a:hover{color:var(--brand)}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
button{font-family:inherit;cursor:pointer}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.3;font-weight:700}
p{margin:0 0 1em;color:#dcd2e6}
.container{max-width:var(--container);margin:0 auto;padding:0 22px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(14,11,18,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header .nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 22px;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--text)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-weight:800;font-size:14px;letter-spacing:.5px;
  box-shadow:0 4px 12px rgba(233,74,138,.35);
}
.nav-menu{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.nav-menu a{
  padding:8px 14px;border-radius:999px;
  font-size:14px;color:#c9bcd6;
  transition:background .2s,color .2s;
}
.nav-menu a:hover{background:var(--panel);color:#fff}
.nav-menu a.active{background:linear-gradient(135deg,rgba(233,74,138,.18),rgba(178,92,255,.18));color:#fff}
.nav-cta{
  padding:9px 18px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 6px 18px rgba(178,92,255,.35);
  transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(178,92,255,.45);color:#fff}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);color:#fff;font-size:22px;width:40px;height:40px;border-radius:10px}

/* Article Banner */
.article-banner{
  position:relative;
  padding:60px 0 40px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.article-banner::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.28;filter:saturate(1.1);
}
.article-banner::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1000px 400px at 15% 0%,rgba(233,74,138,.25),transparent 60%),radial-gradient(800px 400px at 90% 100%,rgba(178,92,255,.28),transparent 60%);
}
.article-banner .container{position:relative;z-index:2}
.crumbs{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  font-size:13px;color:var(--muted);margin-bottom:18px;
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{opacity:.5}
.article-tag{
  display:inline-block;
  padding:6px 14px;border-radius:999px;
  background:rgba(233,74,138,.14);
  color:#ffb8d3;font-size:13px;font-weight:600;
  border:1px solid rgba(233,74,138,.35);
  margin-bottom:16px;
}
.article-title{
  font-size:clamp(28px,4vw,44px);
  line-height:1.25;
  color:#fff;
  max-width:960px;
  margin-bottom:18px;
  text-shadow:0 2px 20px rgba(0,0,0,.4);
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;
  color:var(--muted);font-size:14px;
}
.article-meta .dot{width:4px;height:4px;background:var(--muted);border-radius:50%;opacity:.6}

/* Main Layout */
.main-wrap{padding:44px 0 60px}
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:40px;align-items:start;
}
.article-card{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:36px 40px;
  box-shadow:var(--shadow);
}
.article-body{
  color:#e6dcef;
  font-size:16px;
  line-height:1.9;
}
.article-body h2{
  font-size:24px;color:#fff;
  margin:34px 0 14px;
  padding-left:14px;
  border-left:4px solid var(--brand);
}
.article-body h3{
  font-size:19px;color:#fff;
  margin:26px 0 12px;
}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body ul li,.article-body ol li{margin:6px 0;list-style:disc;color:#dcd2e6}
.article-body ol li{list-style:decimal}
.article-body a{color:var(--brand);border-bottom:1px dashed rgba(233,74,138,.5)}
.article-body a:hover{color:var(--accent);border-color:var(--accent)}
.article-body img{margin:20px 0;border-radius:var(--radius-sm);border:1px solid var(--line)}
.article-body blockquote{
  margin:20px 0;padding:16px 20px;
  background:rgba(178,92,255,.08);
  border-left:4px solid var(--brand-2);
  border-radius:0 8px 8px 0;color:#e2d6ed;
}
.article-body code{
  background:#0e0a14;padding:2px 8px;border-radius:6px;
  color:#ffd15c;font-size:14px;
}
.empty-state{
  text-align:center;padding:60px 20px;
}
.empty-state h2{font-size:22px;color:#fff;margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:22px}
.btn{
  display:inline-block;padding:11px 22px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-weight:600;font-size:14px;
  box-shadow:0 8px 20px rgba(178,92,255,.4);
  transition:transform .2s;
}
.btn:hover{color:#fff;transform:translateY(-2px)}
.btn-outline{
  background:transparent;border:1px solid var(--line);
  color:#e6dcef;box-shadow:none;
}
.btn-outline:hover{background:var(--panel);color:#fff}

/* Article Footer inside card */
.article-footer{
  margin-top:40px;padding-top:28px;
  border-top:1px dashed var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.tag-row span{
  padding:6px 14px;border-radius:999px;
  background:var(--panel-2);border:1px solid var(--line);
  font-size:13px;color:#c9bcd6;
}
.share-row{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  color:var(--muted);font-size:14px;
}
.share-row .share-btn{
  padding:8px 16px;border-radius:8px;
  background:var(--panel-2);border:1px solid var(--line);
  color:#e6dcef;font-size:13px;
}
.share-row .share-btn:hover{background:rgba(233,74,138,.16);color:#fff;border-color:var(--brand)}

/* Sidebar */
.sidebar{position:sticky;top:88px;display:flex;flex-direction:column;gap:22px}
.side-card{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow-soft);
}
.side-card h3{
  font-size:16px;color:#fff;
  margin:0 0 16px;padding-bottom:12px;
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:10px;
}
.side-card h3::before{
  content:"";width:6px;height:16px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.cat-list{display:flex;flex-direction:column;gap:6px}
.cat-list a{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 12px;border-radius:8px;
  color:#d5c8e2;font-size:14px;
  transition:background .2s,color .2s,transform .2s;
}
.cat-list a:hover{background:rgba(233,74,138,.12);color:#fff;transform:translateX(3px)}
.cat-list a span.count{font-size:12px;color:var(--muted)}
.side-cover{
  border-radius:10px;overflow:hidden;position:relative;
  margin-bottom:14px;aspect-ratio:16/10;
}
.side-cover img{width:100%;height:100%;object-fit:cover;border-radius:0}
.side-cta{
  background:radial-gradient(400px 260px at 100% 0%,rgba(233,74,138,.3),transparent 60%),linear-gradient(180deg,var(--panel),var(--panel-2));
}
.side-cta p{font-size:13px;color:#c9bcd6;margin-bottom:14px}
.side-cta .btn{width:100%;text-align:center;padding:10px 12px;font-size:13px}
.latest-list{display:flex;flex-direction:column;gap:14px}
.latest-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding-bottom:14px;border-bottom:1px dashed var(--line);
}
.latest-list li:last-child{border:none;padding-bottom:0}
.latest-list .num{
  flex:0 0 24px;height:24px;border-radius:6px;
  background:var(--panel-2);color:var(--accent);
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.latest-list .num.top{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
.latest-list a{
  font-size:14px;color:#dcd2e6;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.latest-list a:hover{color:var(--brand)}

/* Related section */
.related{
  margin-top:56px;padding-top:44px;
  border-top:1px solid var(--line);
}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  margin-bottom:24px;gap:20px;flex-wrap:wrap;
}
.section-head h2{
  font-size:26px;color:#fff;margin:0;
  display:flex;align-items:center;gap:12px;
}
.section-head h2::before{
  content:"";width:6px;height:26px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.section-head p{color:var(--muted);margin:0;font-size:14px}
.related-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.rel-card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .25s,box-shadow .25s,border-color .25s;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(233,74,138,.5);box-shadow:0 14px 30px rgba(0,0,0,.4)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;position:relative}
.rel-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s}
.rel-card:hover .rel-thumb img{transform:scale(1.06)}
.rel-thumb .badge{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;border-radius:6px;
  background:rgba(0,0,0,.65);color:#fff;
  font-size:12px;backdrop-filter:blur(6px);
}
.rel-body{padding:18px 20px 22px;flex:1;display:flex;flex-direction:column}
.rel-body h3{font-size:16px;color:#fff;line-height:1.5;margin:0 0 10px}
.rel-body p{color:var(--muted);font-size:13px;margin:0 0 14px;flex:1}
.rel-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}

/* CTA strip */
.cta-strip{
  margin-top:56px;padding:40px 36px;
  background:
    radial-gradient(500px 200px at 90% 0%,rgba(233,74,138,.35),transparent 60%),
    radial-gradient(500px 260px at 0% 100%,rgba(178,92,255,.3),transparent 60%),
    linear-gradient(180deg,var(--panel),#1a1422);
  border:1px solid var(--line);
  border-radius:var(--radius);
  display:flex;justify-content:space-between;align-items:center;gap:24px;
  flex-wrap:wrap;
}
.cta-strip h3{font-size:22px;color:#fff;margin:0 0 6px}
.cta-strip p{color:var(--muted);margin:0;font-size:14px}
.cta-strip .btns{display:flex;gap:12px;flex-wrap:wrap}

/* Footer */
.site-footer{
  margin-top:60px;background:#0a070e;border-top:1px solid var(--line);
  padding:50px 0 26px;
}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;margin-bottom:36px;
}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:14px;line-height:1.8}
.foot-col h4{color:#fff;font-size:15px;margin:0 0 16px}
.foot-col ul li{margin-bottom:10px;font-size:14px;color:#b8abc7}
.foot-col ul li a{color:#b8abc7}
.foot-col ul li a:hover{color:var(--brand)}
.foot-bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;justify-content:space-between;color:#7c6f8b;font-size:13px;
  flex-wrap:wrap;gap:12px;
}

/* Responsive */
@media (max-width:1024px){
  .layout{grid-template-columns:1fr;gap:32px}
  .sidebar{position:static}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-menu{
    display:none;position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:var(--bg-2);border-bottom:1px solid var(--line);
    padding:12px 22px;gap:2px;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 14px;border-radius:8px;width:100%}
  .nav-cta{display:none}
  .article-banner{padding:40px 0 30px}
  .article-card{padding:26px 22px}
  .article-body h2{font-size:20px}
  .cta-strip{padding:28px 22px;flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .related-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .article-title{font-size:26px}
  .section-head h2{font-size:22px}
}

/* roulang page: category2 */
:root{
  --bg:#0f0d14;
  --surface:#171420;
  --surface-2:#1f1b2c;
  --card:#221d31;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#efeaf6;
  --muted:#a29cb4;
  --primary:#e8477a;
  --primary-2:#f7a5c2;
  --accent:#c8a15a;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.25);
  --shadow-md:0 12px 40px rgba(0,0,0,.35);
  --shadow-lg:0 24px 60px rgba(0,0,0,.5);
  --gap:24px;
  --container:1200px;
  --font:-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-2)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none;padding:0;margin:0}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;margin:0 0 .5em}
p{margin:0 0 1em;color:var(--muted)}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(15,13,20,.85);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header .nav{display:flex;align-items:center;gap:28px;padding:16px 24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--text)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),#8a4bd6);
  color:#fff;font-weight:800;font-size:13px;letter-spacing:.5px;
  box-shadow:0 6px 18px rgba(232,71,122,.35);
}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-menu a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:14px;color:var(--muted);font-weight:500;
}
.nav-menu a:hover{color:var(--text);background:var(--surface-2)}
.nav-menu a.active{color:#fff;background:linear-gradient(135deg,rgba(232,71,122,.25),rgba(138,75,214,.25));border:1px solid rgba(232,71,122,.4)}
.nav-cta{
  display:inline-block;padding:10px 18px;border-radius:999px;
  background:var(--primary);color:#fff!important;font-weight:600;font-size:14px;
  box-shadow:0 6px 20px rgba(232,71,122,.35);
}
.nav-cta:hover{background:#f2588a;transform:translateY(-1px)}
.nav-toggle{display:none;font-size:26px;color:var(--text);padding:6px 10px}

/* Banner */
.page-banner{
  position:relative;
  padding:110px 0 90px;
  background:
    linear-gradient(180deg,rgba(15,13,20,.55) 0%,rgba(15,13,20,.9) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 60% at 15% 30%, rgba(232,71,122,.28), transparent 60%);
  pointer-events:none;
}
.banner-inner{position:relative;max-width:820px}
.crumb{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary-2);font-size:13px;font-weight:500;
  margin-bottom:20px;letter-spacing:.03em;
}
.crumb a{color:var(--muted)}
.crumb span.sep{opacity:.4}
.page-banner h1{
  font-size:clamp(32px,5vw,54px);
  line-height:1.15;
  margin-bottom:20px;
  background:linear-gradient(120deg,#fff 0%,#f7a5c2 60%,#e8b57a 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner-lead{font-size:17px;color:#d9d2e8;max-width:640px;margin-bottom:28px}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-block;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  font-size:13px;color:#e4dcf0;
}
.tag:hover{background:rgba(232,71,122,.15);border-color:rgba(232,71,122,.4);color:#fff}

/* Section base */
section{padding:80px 0}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
.eyebrow{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:rgba(232,71,122,.12);border:1px solid rgba(232,71,122,.3);
  color:var(--primary-2);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  margin-bottom:16px;
}
.section-head h2{font-size:clamp(26px,3.4vw,38px);color:#fff}
.section-head p{font-size:15px}

/* Feature grid */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.feature{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 24px;
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.feature:hover{transform:translateY(-4px);border-color:rgba(232,71,122,.35);background:var(--surface-2)}
.feature-icon{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,rgba(232,71,122,.2),rgba(138,75,214,.2));
  border:1px solid rgba(232,71,122,.3);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary-2);font-size:20px;font-weight:700;
  margin-bottom:16px;
}
.feature h3{font-size:17px;color:#fff;margin-bottom:8px}
.feature p{font-size:14px;line-height:1.6;margin:0}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.card-media{position:relative;aspect-ratio:4/5;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.06)}
.card-badge{
  position:absolute;top:14px;left:14px;
  padding:5px 10px;border-radius:6px;
  background:rgba(0,0,0,.65);backdrop-filter:blur(8px);
  color:#fff;font-size:12px;font-weight:600;
}
.card-body{padding:20px 22px 22px}
.card-body h3{font-size:17px;color:#fff;margin-bottom:8px;line-height:1.4}
.card-body p{font-size:14px;margin-bottom:14px;line-height:1.6}
.card-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}
.card-meta strong{color:var(--primary-2);font-weight:600}

/* Scenes */
.scene-band{
  background:linear-gradient(180deg,var(--surface) 0%,var(--bg) 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.scene-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:var(--gap)}
.scene{
  border-radius:var(--radius);
  padding:32px;
  border:1px solid var(--line);
  background:var(--surface-2);
  min-height:220px;
  display:flex;flex-direction:column;justify-content:space-between;
  transition:border-color .25s ease;
}
.scene.big{
  grid-row:span 2;
  background:
    linear-gradient(180deg,rgba(15,13,20,.15) 0%,rgba(15,13,20,.85) 100%),
    url('/assets/images/coverpic/cover-4.webp') center/cover no-repeat;
  min-height:460px;
}
.scene:hover{border-color:rgba(232,71,122,.4)}
.scene-num{
  font-family:"Georgia",serif;
  font-size:36px;color:var(--accent);
  opacity:.75;font-weight:700;
}
.scene h3{font-size:20px;color:#fff;margin:14px 0 10px}
.scene p{font-size:14px;margin:0}

/* Flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.step{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 22px;position:relative;
}
.step-tag{
  display:inline-block;
  font-size:12px;color:var(--primary-2);font-weight:600;
  letter-spacing:.1em;margin-bottom:10px;
}
.step h3{font-size:16px;color:#fff;margin-bottom:8px}
.step p{font-size:13.5px;margin:0}
.step::after{
  content:"→";position:absolute;right:-16px;top:50%;transform:translateY(-50%);
  color:var(--line-strong);font-size:20px;font-weight:600;
}
.step:last-child::after{display:none}

/* Split feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.split-media img{aspect-ratio:4/5;object-fit:cover;width:100%;border-radius:0}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(15,13,20,.65) 100%);
  pointer-events:none;
}
.split-text h2{font-size:clamp(24px,3vw,34px);color:#fff;margin-bottom:18px}
.split-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.split-list li{
  display:flex;gap:14px;padding:14px 16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
}
.split-list li strong{color:#fff;display:block;margin-bottom:2px;font-size:14.5px}
.split-list li span{color:var(--muted);font-size:13.5px}
.check{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  background:rgba(232,71,122,.18);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;
  margin-top:2px;
}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 26px;
  margin-bottom:14px;
  background:var(--surface);
  transition:border-color .25s ease;
}
.faq-item:hover{border-color:rgba(232,71,122,.35)}
.faq-item summary{
  cursor:pointer;font-weight:600;color:#fff;font-size:16px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--primary-2);font-weight:400;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{margin:14px 0 0;font-size:14.5px;line-height:1.75}

/* CTA */
.cta-band{
  padding:70px 0;
  background:
    linear-gradient(120deg,rgba(232,71,122,.35) 0%,rgba(138,75,214,.35) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  text-align:center;
}
.cta-band h2{font-size:clamp(24px,3vw,34px);color:#fff;margin-bottom:14px}
.cta-band p{color:#f2eaf8;max-width:600px;margin:0 auto 26px;font-size:15px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:13px 26px;border-radius:999px;
  font-weight:600;font-size:14.5px;transition:transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:#fff;color:#1a1424!important;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(0,0,0,.45)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff!important;border:1px solid rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.18)}

/* Footer */
.site-footer{background:#0a080e;border-top:1px solid var(--line);padding:60px 0 24px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:40px}
.foot-brand p{font-size:14px;line-height:1.75;margin-top:14px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.foot-col ul li{margin-bottom:10px;font-size:14px;color:var(--muted)}
.foot-col ul li a{color:var(--muted)}
.foot-col ul li a:hover{color:var(--primary-2)}
.foot-bottom{
  padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* Responsive */
@media (max-width:1024px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr 1fr;gap:var(--gap)}
  .scene.big{grid-row:auto;min-height:280px}
  .flow{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .split{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  section{padding:60px 0}
  .page-banner{padding:80px 0 60px}
  .nav-menu{
    display:none;position:absolute;top:70px;left:0;right:0;
    background:var(--surface);flex-direction:column;align-items:stretch;
    padding:16px;gap:4px;border-bottom:1px solid var(--line);
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 16px;border-radius:8px}
  .nav-cta{display:none}
  .nav-toggle{display:inline-block;margin-left:auto}
  .site-header .nav{padding:14px 20px;position:relative}
  .feature-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .page-banner h1{font-size:30px}
  .banner-lead{font-size:15px}
  .btn{padding:12px 22px;font-size:14px}
}

/* roulang page: category5 */
:root{
  --bg:#f5efe4;
  --paper:#fbf6ec;
  --ink:#231a11;
  --ink-soft:#5b4a36;
  --muted:#8a7860;
  --line:#e1d5be;
  --accent:#a8442a;
  --accent-2:#c78a3e;
  --accent-3:#3b5a4a;
  --shadow:0 12px 34px rgba(66,46,20,.12);
  --shadow-lg:0 22px 60px rgba(66,46,20,.18);
  --radius-s:6px;
  --radius:14px;
  --radius-lg:22px;
  --space:clamp(60px,7vw,110px);
  --font:"Noto Serif SC","Songti SC","STSong",Georgia,serif;
  --font-sans:"PingFang SC","Helvetica Neue","Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(circle at 12% 8%,rgba(199,138,62,.14),transparent 55%),
    radial-gradient(circle at 88% 92%,rgba(168,68,42,.1),transparent 60%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:.2s}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--font);font-weight:600;line-height:1.25;margin:0}
p{margin:0}
.container{width:min(1200px,92%);margin:0 auto}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(245,239,228,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .nav{
  display:flex;align-items:center;gap:24px;
  padding:16px 0;
}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font);font-weight:600;font-size:20px;color:var(--ink)}
.brand-mark{
  width:38px;height:38px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;font-size:14px;font-weight:700;letter-spacing:.5px;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-sans);
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.35);
}
.nav-menu{display:flex;gap:6px;flex-wrap:wrap}
.nav-menu a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:14.5px;color:var(--ink-soft);
}
.nav-menu a:hover{background:rgba(168,68,42,.08);color:var(--accent)}
.nav-menu a.active{background:var(--ink);color:var(--paper)}
.nav-cta{
  margin-left:auto;
  padding:10px 20px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 8px 20px rgba(168,68,42,.28);
}
.nav-cta:hover{background:#8f3520;transform:translateY(-1px)}
.nav-toggle{display:none;font-size:26px;padding:4px 10px;border-radius:8px;color:var(--ink)}

/* Hero */
.hero{
  position:relative;
  padding:calc(var(--space) - 10px) 0 var(--space);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  filter:sepia(.55) contrast(.95) brightness(.65);
  opacity:.38;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(245,239,228,.55) 0%,rgba(245,239,228,.9) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border:1px solid var(--accent);border-radius:999px;
  color:var(--accent);font-size:13px;letter-spacing:2px;
  background:rgba(251,246,236,.7);
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero h1{
  font-size:clamp(38px,5vw,60px);
  margin:22px 0 20px;
  color:var(--ink);
  letter-spacing:1px;
}
.hero h1 em{font-style:normal;color:var(--accent);position:relative;padding:0 4px}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:10px;
  background:rgba(199,138,62,.35);z-index:-1;border-radius:4px;
}
.hero p.lead{font-size:17px;color:var(--ink-soft);max-width:520px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:8px;
  font-size:15px;font-weight:600;
  transition:.25s;
}
.btn-primary{background:var(--ink);color:var(--paper);box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--accent);transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.hero-meta{display:flex;gap:26px;margin-top:38px;flex-wrap:wrap}
.hero-meta div{border-left:2px solid var(--accent);padding-left:12px}
.hero-meta strong{display:block;font-family:var(--font);font-size:28px;color:var(--ink)}
.hero-meta span{font-size:13px;color:var(--muted)}

.hero-visual{position:relative;height:520px}
.polaroid{
  position:absolute;background:#fbf6ec;
  padding:12px 12px 46px;
  box-shadow:var(--shadow-lg);
  border-radius:2px;
  transition:.4s;
}
.polaroid img{width:100%;height:100%;object-fit:cover;filter:sepia(.35) contrast(1.05)}
.polaroid figcaption{
  position:absolute;bottom:10px;left:12px;right:12px;
  font-family:var(--font);font-size:13px;color:var(--ink-soft);
  text-align:center;letter-spacing:1px;
}
.polaroid.p1{width:260px;height:320px;top:20px;left:20px;transform:rotate(-6deg)}
.polaroid.p1 img{height:240px}
.polaroid.p2{width:230px;height:290px;top:100px;right:0;transform:rotate(5deg)}
.polaroid.p2 img{height:214px}
.polaroid.p3{width:210px;height:270px;bottom:20px;left:100px;transform:rotate(-2deg)}
.polaroid.p3 img{height:196px}
.polaroid:hover{transform:rotate(0) scale(1.03);z-index:3}

/* Sections */
section{padding:var(--space) 0}
.section-head{max-width:720px;margin:0 auto 54px;text-align:center}
.section-eyebrow{
  display:inline-block;padding:6px 14px;
  background:var(--paper);border:1px solid var(--line);border-radius:999px;
  font-size:12.5px;letter-spacing:3px;color:var(--accent);
  margin-bottom:16px;
}
.section-head h2{font-size:clamp(30px,3.6vw,42px);margin-bottom:14px}
.section-head p{color:var(--ink-soft);font-size:16px}

/* Eras */
.eras{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.era-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.era-card{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 24px;
  transition:.3s;
  position:relative;
}
.era-card::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:3px;
  background:var(--accent);border-radius:0 0 3px 3px;
  transform:scaleX(.3);transform-origin:left;transition:.4s;
}
.era-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.era-card:hover::before{transform:scaleX(1)}
.era-year{font-family:var(--font);font-size:34px;color:var(--accent);margin-bottom:6px}
.era-card h3{font-size:19px;margin-bottom:10px}
.era-card p{font-size:14.5px;color:var(--ink-soft);margin-bottom:16px}
.era-card ul li{
  font-size:13.5px;color:var(--muted);
  padding:5px 0;border-top:1px dashed var(--line);
}

/* Gallery grid */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.film-card{
  background:var(--paper);
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  transition:.3s;
  display:flex;flex-direction:column;
}
.film-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.film-cover{position:relative;aspect-ratio:4/5;overflow:hidden}
.film-cover img{width:100%;height:100%;object-fit:cover;transition:.6s;filter:sepia(.3) saturate(.9)}
.film-card:hover .film-cover img{transform:scale(1.06);filter:sepia(.15) saturate(1)}
.film-badge{
  position:absolute;top:14px;left:14px;
  padding:5px 12px;background:rgba(35,26,17,.85);color:var(--paper);
  font-size:12px;letter-spacing:1px;border-radius:4px;
  font-family:var(--font);
}
.film-badge.warm{background:rgba(168,68,42,.9)}
.film-badge.cool{background:rgba(59,90,74,.9)}
.film-body{padding:22px 22px 24px}
.film-body h3{font-size:20px;margin-bottom:8px}
.film-body .film-meta{font-size:13px;color:var(--muted);margin-bottom:14px;letter-spacing:.5px}
.film-body p{font-size:14.5px;color:var(--ink-soft);margin-bottom:18px}
.film-foot{display:flex;justify-content:space-between;align-items:center;padding-top:14px;border-top:1px solid var(--line)}
.film-foot span{font-size:13px;color:var(--muted)}
.film-foot a{font-size:13px;color:var(--accent);font-weight:600}
.film-foot a:hover{text-decoration:underline}

/* Feature strip */
.strip{
  background:var(--ink);color:var(--paper);
  padding:var(--space) 0;
  position:relative;overflow:hidden;
}
.strip::before{
  content:"";position:absolute;inset:0;opacity:.12;
  background:url("/assets/images/backpic/back-1.webp") center/cover;
  filter:sepia(1);
}
.strip .container{position:relative}
.strip-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.strip h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:20px;color:#fff}
.strip h2 span{color:var(--accent-2)}
.strip p{color:rgba(251,246,236,.75);font-size:16px;margin-bottom:26px}
.feature-list{display:grid;gap:18px}
.feature-list li{
  display:flex;gap:16px;
  padding:18px 20px;background:rgba(251,246,236,.06);
  border-left:3px solid var(--accent-2);border-radius:var(--radius-s);
}
.feature-num{font-family:var(--font);font-size:26px;color:var(--accent-2);min-width:36px}
.feature-list h4{font-size:16px;margin-bottom:4px;color:#fff}
.feature-list p{font-size:14px;color:rgba(251,246,236,.65);margin:0}

/* Tones */
.tones-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tone-card{
  border-radius:var(--radius);
  padding:32px 28px;
  color:#fff;
  min-height:260px;
  display:flex;flex-direction:column;justify-content:space-between;
  box-shadow:var(--shadow);
  transition:.3s;
}
.tone-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.tone-1{background:linear-gradient(150deg,#c78a3e,#8f4a1c)}
.tone-2{background:linear-gradient(150deg,#3b5a4a,#1f322a)}
.tone-3{background:linear-gradient(150deg,#a8442a,#5a1e11)}
.tone-tag{font-size:12px;letter-spacing:3px;opacity:.8}
.tone-card h3{font-family:var(--font);font-size:26px;margin:10px 0 14px;color:#fff}
.tone-card p{font-size:14.5px;color:rgba(255,255,255,.85);margin-bottom:18px}
.tone-swatch{display:flex;gap:6px}
.tone-swatch i{width:26px;height:26px;border-radius:4px;border:2px solid rgba(255,255,255,.4)}
.tone-1 .s1{background:#f4d5a0}.tone-1 .s2{background:#c78a3e}.tone-1 .s3{background:#7a3d15}.tone-1 .s4{background:#3a1e0a}
.tone-2 .s1{background:#a8bdae}.tone-2 .s2{background:#5c7a68}.tone-2 .s3{background:#2f4a3b}.tone-2 .s4{background:#141f18}
.tone-3 .s1{background:#e8a68a}.tone-3 .s2{background:#c47250}.tone-3 .s3{background:#7a2e17}.tone-3 .s4{background:#2e0d05}

/* Workflow */
.workflow{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.flow-step{
  background:var(--bg);
  border-radius:var(--radius);
  padding:30px 24px;
  border:1px solid var(--line);
  position:relative;
}
.flow-step:not(:last-child)::after{
  content:"→";position:absolute;right:-20px;top:44px;
  font-size:26px;color:var(--accent-2);z-index:2;
}
.flow-num{
  width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:var(--paper);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font);font-size:18px;margin-bottom:16px;
}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--ink-soft)}

/* FAQ */
.faq-grid{max-width:820px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:.25s;
}
.faq-item:hover{border-color:var(--accent-2)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:22px 26px;
  font-size:16.5px;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:24px;color:var(--accent);
  transition:.3s;font-weight:400;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open]{background:var(--bg);border-color:var(--accent)}
.faq-body{padding:0 26px 24px;color:var(--ink-soft);font-size:15px}

/* CTA */
.cta{
  position:relative;overflow:hidden;
  padding:calc(var(--space) + 10px) 0;
  background:linear-gradient(135deg,#2a1f13,#4a2a15);
  color:#fff;
  text-align:center;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover;
  opacity:.15;filter:sepia(.8) contrast(1.1);
}
.cta .container{position:relative}
.cta h2{font-size:clamp(30px,4vw,46px);margin-bottom:18px;color:#fff}
.cta p{color:rgba(255,255,255,.8);font-size:17px;max-width:640px;margin:0 auto 32px}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.cta .btn-primary{background:var(--accent-2);color:#231a11}
.cta .btn-primary:hover{background:#fff;color:var(--ink)}
.cta .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.cta .btn-ghost:hover{background:#fff;color:var(--ink)}

/* Footer */
.site-footer{
  background:#1a130a;color:rgba(251,246,236,.72);
  padding:70px 0 30px;font-size:14.5px;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(251,246,236,.12)}
.foot-brand .brand{color:#fff;margin-bottom:14px}
.foot-brand p{line-height:1.7;color:rgba(251,246,236,.6);font-size:14px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-family:var(--font-sans);letter-spacing:1px}
.foot-col ul li{padding:6px 0}
.foot-col a{color:rgba(251,246,236,.65)}
.foot-col a:hover{color:var(--accent-2)}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:24px;font-size:13px;color:rgba(251,246,236,.5)}

/* Responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:60px}
  .hero-visual{height:440px;max-width:560px;margin:0 auto}
  .era-grid,.tones-grid,.gallery-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .flow-step:nth-child(2)::after{display:none}
  .strip-grid{grid-template-columns:1fr;gap:36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .nav-menu{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;background:var(--paper);
    padding:16px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);
  }
  .nav-menu.open{display:flex}
  .nav-menu a{width:100%}
  .nav-toggle{display:inline-block;margin-left:auto}
  .nav-cta{display:none}
  .hero-meta{gap:18px}
  .hero-meta strong{font-size:22px}
  .polaroid.p1{width:210px;height:270px}
  .polaroid.p2{width:190px;height:240px}
  .polaroid.p3{width:170px;height:220px;left:60px}
}
@media (max-width:520px){
  .era-grid,.tones-grid,.gallery-grid,.flow-grid,.foot-grid{grid-template-columns:1fr}
  .hero-visual{height:400px}
  .polaroid.p1{width:180px;height:230px;left:0}
  .polaroid.p2{width:170px;height:210px;right:0;top:80px}
  .polaroid.p3{width:160px;height:200px;left:40px;bottom:0}
  .hero h1{font-size:34px}
  .btn{padding:12px 20px;font-size:14px}
  .flow-step::after{display:none !important}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --c-bg:#0f1013;
  --c-panel:#16181d;
  --c-panel-2:#1d2028;
  --c-line:#262a33;
  --c-text:#eef0f4;
  --c-muted:#9aa1ad;
  --c-brand:#e85a4f;
  --c-brand-2:#f5b041;
  --c-accent:#5ec2c9;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 12px 34px rgba(0,0,0,.35);
  --shadow-sm:0 6px 18px rgba(0,0,0,.28);
  --tr:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--c-brand-2)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.3;font-weight:700;letter-spacing:.5px}
p{margin:0 0 1em}
.container{width:min(1200px,92%);margin:0 auto}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(15,16,19,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.site-header .nav{
  display:flex;align-items:center;gap:24px;
  padding:16px 0;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--c-text)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-2));
  color:#111;font-weight:800;font-size:14px;
  box-shadow:0 6px 14px rgba(232,90,79,.35);
}
.nav-menu{display:flex;flex-wrap:wrap;gap:6px;margin-left:12px}
.nav-menu a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:14px;color:var(--c-muted);
  transition:all var(--tr);
}
.nav-menu a:hover{color:var(--c-text);background:var(--c-panel-2)}
.nav-menu a.active{
  background:linear-gradient(135deg,rgba(232,90,79,.18),rgba(245,176,65,.18));
  color:#fff;border:1px solid rgba(232,90,79,.35);
}
.nav-cta{
  margin-left:auto;
  padding:10px 18px;border-radius:999px;
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-2));
  color:#111;font-weight:600;font-size:14px;
  box-shadow:0 8px 18px rgba(232,90,79,.35);
}
.nav-cta:hover{transform:translateY(-1px);color:#111}
.nav-toggle{display:none;font-size:26px;padding:4px 10px;border-radius:8px;color:var(--c-text)}

/* Hero (category-specific, not homepage clone) */
.cat-hero{
  position:relative;overflow:hidden;
  padding:70px 0 60px;
  background:
    linear-gradient(115deg,rgba(15,16,19,.85) 0%,rgba(15,16,19,.55) 55%,rgba(15,16,19,.85) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-bottom:1px solid var(--c-line);
}
.crumb{
  display:flex;gap:10px;font-size:13px;color:var(--c-muted);
  margin-bottom:20px;
}
.crumb a:hover{color:var(--c-brand-2)}
.crumb span{color:#5c6270}
.hero-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(94,194,201,.12);
  color:var(--c-accent);
  border:1px solid rgba(94,194,201,.35);
  font-size:13px;margin-bottom:18px;
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 8px var(--c-accent)}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.2;
  background:linear-gradient(135deg,#fff 0%,#ffd7a3 50%,#f5b041 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero .lead{
  color:#d9dde5;font-size:17px;max-width:640px;margin-top:10px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 26px}
.hero-tags .tag{
  padding:6px 12px;border-radius:6px;
  background:var(--c-panel);border:1px solid var(--c-line);
  font-size:13px;color:#c9cdd4;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-weight:600;font-size:15px;
  transition:transform var(--tr),box-shadow var(--tr),background var(--tr),color var(--tr);
}
.btn-primary{
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-2));
  color:#111;box-shadow:0 10px 24px rgba(232,90,79,.35);
}
.btn-primary:hover{transform:translateY(-2px);color:#111;box-shadow:0 14px 30px rgba(232,90,79,.45)}
.btn-ghost{
  background:transparent;color:var(--c-text);
  border:1px solid var(--c-line);
}
.btn-ghost:hover{border-color:var(--c-brand-2);color:var(--c-brand-2)}
.hero-visual{
  position:relative;border-radius:20px;overflow:hidden;
  aspect-ratio:4/5;box-shadow:var(--shadow);
  border:1px solid var(--c-line);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.65));
}
.hero-visual .caption{
  position:absolute;left:20px;right:20px;bottom:18px;
  font-size:14px;color:#f0f1f5;
  display:flex;justify-content:space-between;gap:12px;
}
.hero-visual .caption strong{color:var(--c-brand-2)}

/* Sections */
.section{padding:70px 0;border-bottom:1px solid var(--c-line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:36px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  position:relative;padding-bottom:12px;
}
.section-head h2::after{
  content:"";position:absolute;left:0;bottom:0;
  width:56px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-brand),var(--c-brand-2));
}
.section-head .sub{color:var(--c-muted);max-width:560px;font-size:15px}

/* Scene grid */
.scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene{
  position:relative;overflow:hidden;border-radius:var(--radius);
  aspect-ratio:3/4;border:1px solid var(--c-line);
  background:var(--c-panel);
  transition:transform var(--tr),box-shadow var(--tr);
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.scene img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.scene:hover img{transform:scale(1.06)}
.scene .mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.85));
  padding:20px 18px;display:flex;flex-direction:column;justify-content:flex-end;
}
.scene .mask h3{font-size:18px;margin-bottom:6px}
.scene .mask p{font-size:13px;color:#c6cad2;margin:0}
.scene .flag{
  position:absolute;top:14px;left:14px;
  padding:4px 10px;border-radius:6px;
  background:rgba(0,0,0,.55);
  font-size:12px;color:#fff;letter-spacing:.5px;
  border:1px solid rgba(255,255,255,.15);
}

/* Feature list */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat{
  padding:26px 22px;border-radius:var(--radius);
  background:var(--c-panel);border:1px solid var(--c-line);
  transition:border-color var(--tr),transform var(--tr);
}
.feat:hover{border-color:var(--c-brand);transform:translateY(-3px)}
.feat .num{
  display:inline-block;font-size:26px;font-weight:800;
  color:var(--c-brand-2);margin-bottom:12px;letter-spacing:1px;
}
.feat h3{font-size:18px}
.feat p{color:var(--c-muted);font-size:14.5px;margin:0}

/* Workflow */
.flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  counter-reset:step;
}
.step{
  position:relative;padding:26px 22px 24px;
  background:linear-gradient(160deg,var(--c-panel) 0%,var(--c-panel-2) 100%);
  border:1px solid var(--c-line);border-radius:var(--radius);
}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  position:absolute;top:-14px;left:22px;
  padding:4px 12px;border-radius:8px;
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-2));
  color:#111;font-weight:800;font-size:14px;
  box-shadow:0 6px 14px rgba(232,90,79,.35);
}
.step h3{font-size:17px;margin-top:8px}
.step p{color:var(--c-muted);font-size:14px;margin:0}

/* Split visual + list */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split-media{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/3;border:1px solid var(--c-line);
  box-shadow:var(--shadow);
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-list li{
  display:flex;gap:14px;padding:14px 0;
  border-bottom:1px dashed var(--c-line);
}
.split-list li:last-child{border-bottom:0}
.split-list .ic{
  flex:0 0 40px;height:40px;border-radius:10px;
  background:rgba(232,90,79,.12);
  color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;
}
.split-list h4{font-size:16px;margin:0 0 4px}
.split-list p{color:var(--c-muted);font-size:14px;margin:0}

/* Stats */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:36px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(232,90,79,.08),rgba(94,194,201,.08));
  border:1px solid var(--c-line);
}
.stat .n{
  font-size:34px;font-weight:800;letter-spacing:1px;
  background:linear-gradient(135deg,var(--c-brand-2),var(--c-brand));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat .t{color:var(--c-muted);font-size:14px;margin-top:4px}

/* FAQ */
.faq{max-width:900px;margin:0 auto}
.faq details{
  padding:18px 22px;border-radius:var(--radius);
  background:var(--c-panel);border:1px solid var(--c-line);
  margin-bottom:12px;transition:border-color var(--tr);
}
.faq details[open]{border-color:var(--c-brand)}
.faq summary{
  cursor:pointer;font-weight:600;font-size:16px;
  display:flex;justify-content:space-between;align-items:center;
  list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-size:22px;color:var(--c-brand-2);
  transition:transform var(--tr);
}
.faq details[open] summary::after{content:"−"}
.faq p{color:var(--c-muted);margin:12px 0 0;font-size:14.5px}

/* CTA */
.cta{
  padding:56px;border-radius:20px;text-align:center;
  background:
    linear-gradient(135deg,rgba(232,90,79,.15),rgba(245,176,65,.12)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border:1px solid var(--c-line);
  position:relative;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:rgba(15,16,19,.7);
}
.cta > *{position:relative;z-index:1}
.cta h2{font-size:clamp(24px,3vw,34px)}
.cta p{color:#d3d6dd;max-width:640px;margin:0 auto 24px}
.cta .btns{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* Footer */
.site-footer{background:#0b0c0f;padding:56px 0 26px;color:#c1c5cc}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;
  margin-bottom:32px;
}
.foot-brand p{color:var(--c-muted);font-size:14px;margin-top:14px;max-width:340px}
.foot-col h4{
  font-size:15px;margin-bottom:16px;color:#fff;
  padding-bottom:10px;border-bottom:1px solid var(--c-line);
}
.foot-col ul li{margin-bottom:10px;font-size:14px;color:var(--c-muted)}
.foot-col ul li a{color:var(--c-muted)}
.foot-col ul li a:hover{color:var(--c-brand-2)}
.foot-bottom{
  padding-top:22px;border-top:1px solid var(--c-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7a808b;
}

/* Responsive */
@media (max-width:1024px){
  .scenes{grid-template-columns:repeat(3,1fr)}
  .features{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-toggle{display:inline-block;margin-left:auto}
  .nav-cta{display:none}
  .nav-menu{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;gap:0;
    background:var(--c-panel);border-bottom:1px solid var(--c-line);
    padding:10px 16px;
    display:none;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{width:100%;padding:12px 14px;border-radius:8px}
  .hero-wrap{grid-template-columns:1fr;gap:30px}
  .hero-visual{max-width:420px;margin:0 auto}
  .split{grid-template-columns:1fr;gap:24px}
  .scenes{grid-template-columns:repeat(2,1fr)}
  .features{grid-template-columns:1fr}
  .cta{padding:40px 22px}
}
@media (max-width:520px){
  .section{padding:50px 0}
  .cat-hero{padding:44px 0 40px}
  .stats{grid-template-columns:1fr 1fr;padding:24px}
  .flow{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;text-align:left}
}

/* roulang page: category1 */
:root {
  --bg-cream: #F7F4EF;
  --bg-light: #FBF9F5;
  --bg-white: #FFFFFF;
  --border-warm: #E7E1D7;
  --text-dark: #1F2421;
  --text-muted: #5C635D;
  --accent-terra: #C4612F;
  --accent-hover: #A94E22;
  --accent-tint: #F2E3D6;
  --charcoal: #1F2421;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 3px rgba(31, 36, 33, 0.08);
  --shadow-md: 0 4px 12px rgba(31, 36, 33, 0.1);
  --shadow-lg: 0 8px 24px rgba(31, 36, 33, 0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--bg-cream);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 249, 245, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-warm);
}

.site-header .nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 48px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  font-size: 18px;
  color: var(--text-dark);
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent-terra);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
  flex: 1;
}

.nav-menu a {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-muted);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--accent-terra);
  border-bottom-color: var(--accent-terra);
}

.nav-cta {
  padding: 10px 24px;
  background: var(--accent-terra);
  color: white;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.nav-toggle {
  display: none;
  font-size: 28px;
  color: var(--text-dark);
  padding: 4px;
}

.hero-category {
  position: relative;
  padding: 120px 0 80px;
  background: linear-gradient(135deg, rgba(196, 97, 47, 0.08) 0%, rgba(247, 244, 239, 0.95) 100%),
              url('/assets/images/backpic/back-1.webp') center/cover;
  overflow: hidden;
}

.hero-category::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 0%, var(--bg-cream) 100%);
  pointer-events: none;
}

.hero-category .container {
  position: relative;
  z-index: 2;
  max-width: 900px;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-tint);
  color: var(--accent-terra);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
  margin-bottom: 24px;
}

.hero-category h1 {
  font-family: 'Playfair Display', 'Noto Serif SC', serif;
  font-size: 56px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--text-dark);
}

.hero-category h1 em {
  font-style: italic;
  color: var(--accent-terra);
}

.hero-category p {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: var(--accent-terra);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--bg-white);
  color: var(--text-dark);
  border: 1px solid var(--border-warm);
}

.btn-secondary:hover {
  border-color: var(--accent-terra);
  color: var(--accent-terra);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-header h2 {
  font-family: 'Playfair Display', 'Noto Serif SC', serif;
  font-size: 42px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-dark);
}

.section-header h2 em {
  font-style: italic;
  color: var(--accent-terra);
}

.section-header p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-muted);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 64px;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-terra);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-tint);
  color: var(--accent-terra);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.feature-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--bg-light);
  transition: var(--transition);
}

.gallery-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(31, 36, 33, 0.8) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay h4 {
  font-size: 16px;
  font-weight: 500;
  color: white;
  margin-bottom: 4px;
}

.gallery-overlay p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
}

.tag-pill {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  font-size: 12px;
  border-radius: var(--radius-full);
  margin-top: 8px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.process-step {
  text-align: center;
}

.step-number {
  width: 56px;
  height: 56px;
  background: var(--accent-terra);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 600;
  margin: 0 auto 20px;
}

.process-step h4 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.process-step p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.scenario-card {
  background: var(--bg-white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  gap: 24px;
  transition: var(--transition);
}

.scenario-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.scenario-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  background: var(--accent-tint);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.scenario-content h4 {
  font-size: 19px;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--text-dark);
}

.scenario-content p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-sm {
  padding: 4px 12px;
  background: var(--bg-light);
  color: var(--text-muted);
  font-size: 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-warm);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--accent-terra);
}

.faq-question {
  width: 100%;
  padding: 24px;
  text-align: left;
  font-size: 17px;
  font-weight: 500;
  color: var(--text-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--accent-terra);
}

.faq-toggle {
  font-size: 20px;
  color: var(--accent-terra);
  transition: var(--transition);
}

.faq-answer {
  padding: 0 24px 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
  display: none;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}

.faq-item.open .faq-answer {
  display: block;
}

.cta-section {
  background: var(--charcoal);
  color: white;
  text-align: center;
  padding: 80px 24px;
  border-radius: var(--radius-lg);
  margin: 0 24px;
}

.cta-section h2 {
  font-family: 'Playfair Display', 'Noto Serif SC', serif;
  font-size: 42px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta-section h2 em {
  font-style: italic;
  color: var(--accent-terra);
}

.cta-section p {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
  margin: 0 auto 32px;
}

.cta-section .btn-primary {
  background: white;
  color: var(--accent-terra);
}

.cta-section .btn-primary:hover {
  background: var(--accent-tint);
  color: var(--accent-hover);
}

.site-footer {
  background: var(--charcoal);
  color: rgba(255, 255, 255, 0.85);
  padding: 64px 0 32px;
  margin-top: 80px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.foot-brand .brand {
  margin-bottom: 16px;
}

.foot-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
}

.foot-col h4 {
  font-size: 15px;
  font-weight: 500;
  color: white;
  margin-bottom: 16px;
}

.foot-col ul {
  list-style: none;
}

.foot-col li {
  margin-bottom: 10px;
}

.foot-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.foot-col a:hover {
  color: var(--accent-terra);
}

.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 1024px) {
  .features-grid,
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .foot-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-header .nav {
    flex-wrap: wrap;
    height: auto;
    padding: 16px 0;
  }
  
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-warm);
    flex-direction: column;
    padding: 16px 24px;
    gap: 8px;
    display: none;
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.open {
    display: flex;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .nav-cta {
    display: none;
  }
  
  .hero-category {
    padding: 80px 0 60px;
  }
  
  .hero-category h1 {
    font-size: 36px;
  }
  
  .hero-category p {
    font-size: 16px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-header h2 {
    font-size: 32px;
  }
  
  .features-grid,
  .gallery-grid,
  .scenarios-grid,
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  .cta-section {
    padding: 60px 24px;
    margin: 0 16px;
  }
  
  .cta-section h2 {
    font-size: 32px;
  }
  
  .foot-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .foot-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: category4 */
:root {
  --primary: #2d2d2d;
  --secondary: #8b7355;
  --accent: #c9a87c;
  --bg-main: #fafaf8;
  --bg-alt: #f4f3f0;
  --bg-dark: #1a1a1a;
  --text: #2d2d2d;
  --text-light: #6b6b6b;
  --text-muted: #9a9a9a;
  --border: #e5e4e0;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --spacing: 1.5rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg-main);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input {
  font-family: inherit;
  border: none;
  outline: none;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.site-header .nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary);
}

.brand-mark {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: #fff;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 700;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.nav-menu a {
  color: var(--text-light);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 6px 0;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--secondary);
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--secondary);
}

.nav-cta {
  background: var(--secondary);
  color: #fff;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.nav-cta:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.nav-toggle {
  display: none;
  background: transparent;
  font-size: 1.8rem;
  color: var(--primary);
  cursor: pointer;
  padding: 4px 8px;
}

.page-hero {
  background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.3)), url('/assets/images/backpic/back-2.webp') center/cover;
  color: #fff;
  padding: 120px 0 100px;
  text-align: center;
  position: relative;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-content p {
  font-size: 1.2rem;
  max-width: 720px;
  margin: 0 auto 32px;
  opacity: 0.95;
  line-height: 1.8;
}

.hero-tags {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-tag {
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.9rem;
  border: 1px solid rgba(255,255,255,0.3);
}

.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: inline-block;
  background: var(--bg-alt);
  color: var(--secondary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-header h2 {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 680px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.feature-card {
  background: #fff;
  padding: 36px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: #fff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary);
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.7;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.gallery-item {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.gallery-image {
  width: 100%;
  height: 280px;
  object-fit: cover;
  background: var(--bg-alt);
}

.gallery-info {
  padding: 20px;
}

.gallery-info h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--primary);
}

.gallery-meta {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 36px;
  margin-top: 48px;
}

.step {
  position: relative;
  text-align: center;
}

.step-num {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0 auto 20px;
}

.step h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.step p {
  color: var(--text-light);
  line-height: 1.7;
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-q {
  padding: 24px 28px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-q::after {
  content: '+';
  font-size: 1.8rem;
  color: var(--secondary);
  transition: transform 0.3s ease;
}

.faq-a {
  padding: 0 28px 24px;
  color: var(--text-light);
  line-height: 1.8;
  display: none;
}

.faq-item.open .faq-q::after {
  transform: rotate(45deg);
}

.faq-item.open .faq-a {
  display: block;
}

.cta-section {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: #fff;
  text-align: center;
  padding: 80px 24px;
  border-radius: var(--radius-lg);
  margin: 0 24px;
}

.cta-section h2 {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.cta-section p {
  font-size: 1.15rem;
  margin-bottom: 32px;
  opacity: 0.95;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  background: #fff;
  color: var(--secondary);
  padding: 16px 40px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1.05rem;
  display: inline-block;
  transition: all 0.3s ease;
  cursor: pointer;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 30px;
  margin-top: 80px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.foot-brand .brand {
  margin-bottom: 20px;
  color: #fff;
}

.foot-brand p {
  line-height: 1.7;
  font-size: 0.95rem;
  opacity: 0.75;
}

.foot-col h4 {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.foot-col ul {
  list-style: none;
}

.foot-col li {
  margin-bottom: 12px;
}

.foot-col a {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.foot-col a:hover {
  color: var(--accent);
}

.foot-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  opacity: 0.7;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 1024px) {
  .foot-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    padding: 20px 0;
    box-shadow: var(--shadow-md);
    display: none;
  }
  
  .nav-menu.open {
    display: flex;
  }
  
  .nav-menu li {
    width: 100%;
    text-align: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }
  
  .nav-cta {
    display: none;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .page-hero {
    padding: 80px 0 60px;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-header h2 {
    font-size: 1.8rem;
  }
  
  .foot-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .foot-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  
  .hero-content h1 {
    font-size: 1.75rem;
  }
  
  .section-header h2 {
    font-size: 1.6rem;
  }
  
  .cta-section {
    margin: 0 16px;
    padding: 60px 20px;
  }
  
  .cta-section h2 {
    font-size: 1.8rem;
  }
}