/* roulang page: index */
:root{
  --bg:#0e0a12;
  --bg-2:#150f1c;
  --surface:#1c1526;
  --surface-2:#241a32;
  --border:#33263f;
  --primary:#ff3d7f;
  --primary-2:#ff7aa8;
  --accent:#8b5cf6;
  --gold:#f5c451;
  --text:#f5eef8;
  --muted:#b8a9c8;
  --dim:#8a7a9c;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 4px 12px rgba(0,0,0,.25);
  --shadow:0 12px 32px rgba(0,0,0,.35);
  --shadow-lg:0 24px 60px rgba(255,61,127,.18);
  --gap:24px;
  --tr:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--primary-2)}
button{font-family:inherit;cursor:pointer;border:0}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:700;letter-spacing:.5px}
p{margin:0 0 1em}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(14,10,18,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;color:#fff}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:grid;place-items:center;color:#fff;font-weight:900;
  box-shadow:0 6px 18px rgba(255,61,127,.4);
}
.brand-name{background:linear-gradient(90deg,#fff,#ffd6e6);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-list{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-list a{
  display:inline-block;padding:10px 16px;border-radius:999px;
  color:var(--muted);font-size:15px;font-weight:500;
}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-list a.active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 6px 16px rgba(255,61,127,.35)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:999px;font-weight:600;font-size:14px;
  background:#fff;color:#1a1220;
  transition:transform var(--tr),box-shadow var(--tr);
}
.nav-cta:hover{color:#1a1220;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;background:var(--surface);color:#fff;font-size:20px}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:100px 0 120px;
  background:
    linear-gradient(180deg,rgba(14,10,18,.55) 0%,rgba(14,10,18,.85) 70%,var(--bg) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px circle at 15% 20%,rgba(255,61,127,.25),transparent 60%),
             radial-gradient(500px circle at 85% 80%,rgba(139,92,246,.22),transparent 60%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,61,127,.15);border:1px solid rgba(255,61,127,.35);
  color:#ffb3ce;font-size:13px;font-weight:600;letter-spacing:1px;
  margin-bottom:22px;
}
.hero-tag i{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{
  font-size:clamp(34px,5.4vw,60px);
  color:#fff;margin-bottom:20px;
}
.hero h1 span{background:linear-gradient(90deg,var(--primary),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:18px;color:#e0d5ea;max-width:680px;margin-bottom:36px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;border-radius:999px;
  font-weight:600;font-size:15px;letter-spacing:.3px;
  transition:transform var(--tr),box-shadow var(--tr),background var(--tr);
  cursor:pointer;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:var(--shadow-lg)}
.btn-primary:hover{color:#fff;transform:translateY(-3px);box-shadow:0 18px 40px rgba(255,61,127,.35)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.2)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.15)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:720px}
.hero-stat{
  padding:18px 20px;border-radius:var(--radius);
  background:rgba(28,21,38,.55);backdrop-filter:blur(8px);
  border:1px solid var(--border);
}
.hero-stat b{display:block;font-size:26px;color:#fff;font-weight:800}
.hero-stat span{font-size:13px;color:var(--muted)}

/* Section base */
.section{padding:88px 0}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
.section-eyebrow{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:rgba(139,92,246,.15);color:var(--primary-2);
  font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  margin-bottom:16px;
}
.section-title{font-size:clamp(28px,3.6vw,40px);color:#fff}
.section-desc{color:var(--muted);font-size:16px}

/* Categories */
.cat-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.cat-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  aspect-ratio:4/5;
  background:var(--surface-2);
  transition:transform var(--tr),box-shadow var(--tr);
  border:1px solid var(--border);
}
.cat-card img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s ease;
}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,10,18,0) 30%,rgba(14,10,18,.95) 100%);
}
.cat-card-body{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:24px 24px 26px;
}
.cat-card-body .badge{
  display:inline-block;padding:5px 12px;border-radius:999px;
  background:rgba(255,61,127,.9);color:#fff;font-size:12px;font-weight:600;
  margin-bottom:12px;
}
.cat-card h3{font-size:22px;color:#fff;margin-bottom:6px}
.cat-card p{color:#e0d5ea;font-size:14px;margin:0}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.cat-card:hover img{transform:scale(1.08)}

/* Features */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature{
  padding:28px 24px;border-radius:var(--radius);
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--border);
  transition:transform var(--tr),border-color var(--tr);
}
.feature:hover{transform:translateY(-4px);border-color:var(--primary)}
.feature-icon{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,rgba(255,61,127,.2),rgba(139,92,246,.2));
  color:var(--primary-2);
  display:grid;place-items:center;font-size:22px;
  margin-bottom:18px;
}
.feature h3{font-size:18px;color:#fff}
.feature p{color:var(--muted);font-size:14px;margin:0}

/* Highlights split */
.split{
  padding:88px 0;
  background:linear-gradient(180deg,var(--bg),var(--bg-2));
}
.split-inner{
  display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center;
}
.split-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--border);
}
.split-media img{width:100%;height:auto;display:block}
.split-media .float-badge{
  position:absolute;left:20px;top:20px;
  padding:8px 14px;border-radius:999px;
  background:rgba(14,10,18,.75);backdrop-filter:blur(8px);
  color:#fff;font-size:13px;font-weight:600;
  border:1px solid rgba(255,255,255,.15);
}
.split h2{font-size:34px;color:#fff}
.split-list{list-style:none;padding:0;margin:24px 0 0}
.split-list li{
  padding:14px 0 14px 34px;position:relative;
  border-bottom:1px dashed var(--border);
  color:#e0d5ea;font-size:15px;
}
.split-list li::before{
  content:"";position:absolute;left:0;top:20px;
  width:20px;height:20px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 0 4px rgba(255,61,127,.15);
}
.split-list li:last-child{border:0}

/* Latest posts */
.latest{padding:88px 0;background:var(--bg-2)}
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.post{
  display:flex;gap:20px;padding:20px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.post:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:var(--shadow-sm)}
.post-thumb{
  flex:0 0 130px;height:100px;border-radius:10px;overflow:hidden;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:grid;place-items:center;color:#fff;font-size:26px;font-weight:800;
}
.post-body{flex:1;min-width:0}
.post-meta{display:flex;gap:10px;font-size:12px;color:var(--dim);margin-bottom:8px}
.post-meta .tag{color:var(--primary-2);font-weight:600}
.post h4{font-size:17px;color:#fff;margin-bottom:8px;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post p{font-size:13px;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-note{
  grid-column:1/-1;padding:60px;text-align:center;
  background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);
  color:var(--muted);
}

/* Gallery preview */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery figure{
  margin:0;position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:3/4;background:var(--surface-2);
  border:1px solid var(--border);
  transition:transform var(--tr);
}
.gallery figure:hover{transform:scale(1.03)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.gallery figure:hover img{transform:scale(1.08)}
.gallery figcaption{
  position:absolute;left:12px;bottom:12px;
  padding:5px 10px;border-radius:8px;
  background:rgba(14,10,18,.75);color:#fff;font-size:12px;font-weight:500;
  backdrop-filter:blur(6px);
}

/* Testimonials */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice{
  padding:26px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  position:relative;
}
.voice::before{
  content:"“";position:absolute;top:-8px;left:20px;font-size:72px;
  color:var(--primary);font-family:Georgia,serif;line-height:1;opacity:.35;
}
.voice p{color:#e0d5ea;font-size:15px;margin-top:14px}
.voice-user{display:flex;align-items:center;gap:12px;margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}
.voice-avatar{
  width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;display:grid;place-items:center;font-weight:700;
}
.voice-user b{color:#fff;font-size:14px;display:block}
.voice-user span{color:var(--dim);font-size:12px}

/* FAQ */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
}
.faq summary{
  list-style:none;padding:22px 26px;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-weight:600;color:#fff;font-size:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-size:24px;color:var(--primary);
  transition:transform var(--tr);
}
.faq[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 26px 22px;color:var(--muted);font-size:15px}

/* CTA */
.cta-band{
  padding:80px 0;
  background:
    linear-gradient(120deg,rgba(255,61,127,.85),rgba(139,92,246,.8)),
    url('/assets/images/backpic/back-3.webp') center/cover;
  text-align:center;color:#fff;
}
.cta-band h2{font-size:clamp(28px,4vw,42px);color:#fff}
.cta-band p{color:#fff;opacity:.92;font-size:17px;max-width:680px;margin:0 auto 30px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.cta-band .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4)}

/* Footer */
.site-footer{background:#080510;padding:70px 0 30px;border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:14px;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.5px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--muted);font-size:14px}
.footer-col a:hover{color:var(--primary-2)}
.footer-bottom{
  padding-top:26px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:var(--dim);font-size:13px;
}

/* Responsive */
@media (max-width:1024px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr 1fr}
  .split-inner{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .gallery{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .hero{padding:80px 0 90px}
  .nav-list{
    position:absolute;top:76px;left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:var(--bg-2);border-bottom:1px solid var(--border);
    padding:16px;gap:6px;display:none;
  }
  .nav-list.open{display:flex}
  .nav-list a{padding:14px 18px;border-radius:10px}
  .nav-cta{display:none}
  .menu-toggle{display:grid;place-items:center}
  .hero-stats{grid-template-columns:1fr 1fr}
  .post-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .cat-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .post{flex-direction:column}
  .post-thumb{width:100%;height:160px;flex:0 0 auto}
  .hero-actions .btn{flex:1;justify-content:center}
}

/* roulang page: article */
:root{
  --c-bg:#0d0710;
  --c-bg-2:#160b1c;
  --c-surface:#1c1122;
  --c-surface-2:#241528;
  --c-line:#2f1c34;
  --c-line-2:#3a2340;
  --c-text:#f4e9f2;
  --c-muted:#b39cb8;
  --c-dim:#7a6a7f;
  --c-primary:#ff3f8b;
  --c-primary-2:#ff77a9;
  --c-accent:#c47bff;
  --c-gold:#ffb84d;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --shadow-s:0 6px 20px rgba(0,0,0,.35);
  --shadow-m:0 14px 40px rgba(0,0,0,.5);
  --shadow-glow:0 0 30px rgba(255,63,139,.25);
  --sp-1:6px;--sp-2:10px;--sp-3:16px;--sp-4:24px;--sp-5:36px;--sp-6:56px;--sp-7:80px;
  --f-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}
*,*::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:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1200px 500px at 85% -10%,rgba(196,123,255,.18),transparent 60%),
    radial-gradient(900px 400px at -10% 20%,rgba(255,63,139,.14),transparent 60%);
}
a{color:var(--c-primary-2);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
img{max-width:100%;display:block;border-radius:var(--radius-s)}
button{font-family:inherit;cursor:pointer;border:none}
h1,h2,h3,h4{font-weight:700;letter-spacing:.5px;color:#fff}
p{color:var(--c-muted)}
ul{padding:0;margin:0;list-style:none}

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

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,7,16,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;color:#fff}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  color:#fff;font-weight:800;font-size:20px;
  box-shadow:var(--shadow-glow);
}
.brand-name{font-size:20px;font-weight:800;letter-spacing:1px}
nav .nav-list{display:flex;flex-wrap:wrap;gap:4px}
nav .nav-list a{
  display:inline-block;padding:10px 16px;border-radius:999px;
  color:var(--c-muted);font-size:15px;font-weight:500;
}
nav .nav-list a:hover{color:#fff;background:var(--c-surface)}
nav .nav-list a.active{
  color:#fff;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  box-shadow:var(--shadow-glow);
}
.header-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;background:var(--c-surface-2);color:#fff;border:1px solid var(--c-line-2);font-weight:600;font-size:14px}
.header-cta:hover{color:#fff;border-color:var(--c-primary);box-shadow:var(--shadow-glow)}
.menu-toggle{display:none;background:var(--c-surface);color:#fff;padding:8px 12px;border-radius:10px;border:1px solid var(--c-line-2)}

/* Article Banner */
.article-banner{
  position:relative;
  padding:64px 0 48px;
  overflow:hidden;
  border-bottom:1px solid var(--c-line);
}
.article-banner::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(180deg,rgba(13,7,16,.55) 0%,rgba(13,7,16,.85) 60%,var(--c-bg) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  filter:saturate(1.05);
}
.article-banner .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;gap:8px;color:var(--c-dim);font-size:13px;margin-bottom:22px}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary-2)}
.crumb span.sep{color:var(--c-line-2)}
.article-head{display:grid;grid-template-columns:1.5fr .8fr;gap:40px;align-items:end}
.article-head .tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,63,139,.15);
  color:var(--c-primary-2);font-size:13px;font-weight:600;
  border:1px solid rgba(255,63,139,.3);
}
h1.article-title{
  font-size:44px;line-height:1.25;margin:18px 0 20px;
  background:linear-gradient(135deg,#fff 0%,#ffd6e9 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;color:var(--c-muted);font-size:14px}
.article-meta .m-item{display:inline-flex;align-items:center;gap:8px}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--c-primary);display:inline-block}
.head-side{
  background:rgba(28,17,34,.7);
  border:1px solid var(--c-line-2);
  backdrop-filter:blur(10px);
  border-radius:var(--radius-l);
  padding:22px;
  box-shadow:var(--shadow-m);
}
.head-side h4{font-size:14px;color:var(--c-muted);margin:0 0 14px;letter-spacing:1px}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stat-box{background:var(--c-bg-2);border-radius:var(--radius-m);padding:14px;text-align:center;border:1px solid var(--c-line)}
.stat-box b{display:block;font-size:22px;color:var(--c-primary-2);font-weight:800}
.stat-box small{color:var(--c-dim);font-size:12px}

/* Article Body Layout */
.article-wrap{padding:60px 0}
.article-grid{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:flex-start}
.article-main{
  background:var(--c-surface);
  border-radius:var(--radius-l);
  padding:44px 48px;
  border:1px solid var(--c-line);
  box-shadow:var(--shadow-s);
}
.article-content{color:#e8dbe8;font-size:16.5px;line-height:1.9}
.article-content h2{font-size:26px;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--c-primary)}
.article-content h3{font-size:20px;margin:28px 0 12px;color:var(--c-primary-2)}
.article-content p{color:#d9c8d6;margin:14px 0}
.article-content ul,.article-content ol{margin:14px 0;padding-left:24px;color:#d9c8d6}
.article-content ul li,.article-content ol li{margin:8px 0;list-style:disc}
.article-content ol li{list-style:decimal}
.article-content a{color:var(--c-primary-2);border-bottom:1px dashed var(--c-primary)}
.article-content blockquote{
  margin:20px 0;padding:16px 20px;
  background:var(--c-surface-2);border-left:4px solid var(--c-accent);
  border-radius:10px;color:#e8dbe8;
}
.article-content img{margin:22px auto;border-radius:var(--radius-m);box-shadow:var(--shadow-m)}
.article-content strong{color:#fff}
.article-content table{width:100%;border-collapse:collapse;margin:20px 0}
.article-content th,.article-content td{border:1px solid var(--c-line-2);padding:10px 12px;text-align:left}
.article-content th{background:var(--c-bg-2);color:#fff}

.empty-block{text-align:center;padding:60px 20px}
.empty-block h2{font-size:26px;color:#fff;margin-bottom:12px}
.empty-block p{color:var(--c-muted);margin-bottom:24px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:700;font-size:15px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,63,139,.5);color:#fff}
.btn-ghost{background:transparent;color:#fff;border:1px solid var(--c-line-2)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary-2)}

/* Tags row after content */
.article-foot{margin-top:36px;padding-top:26px;border-top:1px solid var(--c-line)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tag-row span.label{color:var(--c-dim);font-size:14px;margin-right:6px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:500;
  background:var(--c-bg-2);color:var(--c-muted);border:1px solid var(--c-line-2);
}
.chip:hover{color:#fff;border-color:var(--c-primary);background:rgba(255,63,139,.1)}
.share-row{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 16px;border-radius:10px;background:var(--c-bg-2);
  color:var(--c-muted);font-size:14px;border:1px solid var(--c-line-2);
}
.share-btn:hover{color:#fff;border-color:var(--c-primary)}

/* Sidebar */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-l);
  padding:22px;
}
.side-card h4{font-size:16px;margin:0 0 16px;color:#fff;display:flex;align-items:center;gap:8px}
.side-card h4::before{content:"";width:4px;height:16px;border-radius:2px;background:linear-gradient(180deg,var(--c-primary),var(--c-accent))}
.side-cats{display:flex;flex-wrap:wrap;gap:8px}
.side-cats a{
  padding:8px 14px;border-radius:999px;
  background:var(--c-bg-2);border:1px solid var(--c-line-2);
  color:var(--c-muted);font-size:13px;
}
.side-cats a:hover{color:#fff;background:rgba(255,63,139,.12);border-color:var(--c-primary)}
.side-list li{padding:12px 0;border-bottom:1px dashed var(--c-line-2)}
.side-list li:last-child{border-bottom:none}
.side-list a{display:flex;gap:12px;align-items:flex-start;color:#e8dbe8;font-size:14px;line-height:1.55}
.side-list .num{
  flex:0 0 26px;height:26px;border-radius:8px;
  background:var(--c-bg-2);color:var(--c-primary-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:13px;border:1px solid var(--c-line-2);
}
.side-list a:hover{color:var(--c-primary-2)}
.side-list a:hover .num{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;border-color:transparent}
.side-cover{
  border-radius:var(--radius-m);overflow:hidden;
  position:relative;aspect-ratio:16/10;
  background:url("/assets/images/coverpic/cover-3.webp") center/cover;
  margin-bottom:14px;
}
.side-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(13,7,16,.75) 100%)}
.side-cta p{font-size:14px;color:var(--c-muted);margin:0 0 14px}
.side-cta .btn{width:100%;justify-content:center;padding:12px 20px;font-size:14px}

/* Related section */
.related{padding:20px 0 60px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:26px;gap:20px;flex-wrap:wrap}
.section-head h2{font-size:28px;margin:0}
.section-head p{margin:6px 0 0;color:var(--c-muted);font-size:14px}
.section-head .more{color:var(--c-primary-2);font-size:14px;font-weight:600}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-l);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--c-line-2);box-shadow:var(--shadow-m)}
.card .thumb{
  position:relative;aspect-ratio:16/10;overflow:hidden;
}
.card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease}
.card:hover .thumb img{transform:scale(1.06)}
.card .thumb .badge{
  position:absolute;left:12px;top:12px;
  padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(255,63,139,.85);color:#fff;backdrop-filter:blur(6px);
}
.card .thumb .dur{
  position:absolute;right:10px;bottom:10px;
  padding:3px 8px;border-radius:6px;font-size:12px;
  background:rgba(0,0,0,.7);color:#fff;
}
.card-body{padding:16px 18px 20px}
.card-body h3{
  font-size:15.5px;line-height:1.55;margin:0 0 10px;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;gap:12px;font-size:12px;color:var(--c-dim)}
.card-meta span{display:inline-flex;align-items:center;gap:4px}

/* Reader Notice */
.notice-band{
  margin:0 0 26px;padding:16px 22px;
  border-radius:var(--radius-m);
  background:linear-gradient(90deg,rgba(255,63,139,.12),rgba(196,123,255,.08));
  border:1px solid rgba(255,63,139,.25);
  color:#f4e9f2;font-size:14px;
  display:flex;gap:14px;align-items:center;
}
.notice-band .ico{
  width:34px;height:34px;flex:0 0 34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;
}

/* FAQ */
.faq-wrap{margin-top:44px;padding-top:36px;border-top:1px solid var(--c-line)}
.faq-wrap h2{font-size:24px;margin:0 0 8px;color:#fff}
.faq-wrap > p{color:var(--c-muted);margin:0 0 22px;font-size:14px}
.faq-item{
  background:var(--c-surface-2);
  border:1px solid var(--c-line-2);
  border-radius:var(--radius-m);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item:hover{border-color:var(--c-primary)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:16px 22px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  color:#fff;font-weight:600;font-size:15px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--c-primary-2);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"-"}
.faq-item .a{padding:0 22px 18px;color:var(--c-muted);font-size:14.5px;line-height:1.8}

/* CTA band */
.cta-band{
  margin:60px 0 40px;
  background:
    linear-gradient(135deg,rgba(255,63,139,.15),rgba(196,123,255,.15)),
    url("/assets/images/backpic/back-3.webp") center/cover;
  border:1px solid var(--c-line-2);
  border-radius:var(--radius-l);
  padding:44px 40px;
  display:grid;grid-template-columns:1.6fr .8fr;gap:30px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(13,7,16,.55);border-radius:inherit}
.cta-band > *{position:relative;z-index:1}
.cta-band h3{font-size:26px;margin:0 0 10px;color:#fff}
.cta-band p{color:#e8dbe8;margin:0}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}

/* Footer */
.site-footer{
  background:#0a050d;
  border-top:1px solid var(--c-line);
  padding:56px 0 22px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.footer-brand p{color:var(--c-muted);font-size:14px;margin:14px 0 0;line-height:1.75}
.footer-col h4{font-size:15px;margin:0 0 16px;color:#fff}
.footer-col ul li{margin:8px 0;color:var(--c-muted);font-size:14px}
.footer-col ul li a{color:var(--c-muted)}
.footer-col ul li a:hover{color:var(--c-primary-2)}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding-top:20px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--c-dim);font-size:13px;
}

/* Responsive */
@media (max-width:1024px){
  .article-grid{grid-template-columns:1fr;gap:30px}
  .sidebar{position:static}
  .card-grid{grid-template-columns:repeat(3,1fr)}
  .article-head{grid-template-columns:1fr;gap:26px}
  h1.article-title{font-size:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .menu-toggle{display:inline-flex}
  nav .nav-list{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:var(--c-bg-2);border-top:1px solid var(--c-line);
    flex-direction:column;padding:12px 20px;gap:2px;
  }
  nav .nav-list.open{display:flex}
  nav .nav-list a{width:100%;border-radius:10px}
  .header-cta{display:none}
  .site-header{position:relative}
  .article-banner{padding:44px 0 32px}
  h1.article-title{font-size:28px}
  .article-main{padding:26px 22px}
  .article-content{font-size:15.5px}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .cta-band{grid-template-columns:1fr;padding:28px 22px}
  .cta-band .cta-actions{justify-content:flex-start}
  .section-head h2{font-size:22px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .stat-row{grid-template-columns:repeat(3,1fr)}
  .article-content h2{font-size:22px}
  .header-inner{padding:12px 0}
  .brand-name{font-size:17px}
}

/* roulang page: category1 */
:root {
      --primary: #C4612F;
      --primary-hover: #A94E22;
      --primary-light: #F2E3D6;
      --bg-warm: #F7F4EF;
      --bg-surface: #FBF9F5;
      --bg-white: #FFFFFF;
      --border-soft: #E7E1D7;
      --ink: #1F2421;
      --text-muted: #5C635D;
      --dark-section: #1F2421;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-full: 999px;
      --shadow-sm: 0 1px 3px rgba(31,36,33,0.08);
      --shadow-md: 0 4px 12px rgba(31,36,33,0.12);
      --shadow-lg: 0 8px 24px rgba(31,36,33,0.16);
      --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
    }

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

    html {
      scroll-behavior: smooth;
    }

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

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

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

    button, input {
      font: inherit;
      border: none;
      background: none;
      cursor: pointer;
    }

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

    .container-wide {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 24px;
    }

    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-soft);
    }

    .header-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 24px;
      max-width: 1400px;
      margin: 0 auto;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 500;
      font-size: 20px;
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background: var(--primary);
      color: white;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 18px;
    }

    .brand-name {
      color: var(--ink);
      letter-spacing: -0.01em;
    }

    nav {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .nav-list {
      display: flex;
      list-style: none;
      gap: 8px;
    }

    .nav-list a {
      display: block;
      padding: 10px 18px;
      font-size: 15px;
      font-weight: 400;
      color: var(--text-muted);
      border-radius: var(--radius-full);
      transition: var(--transition);
    }

    .nav-list a:hover {
      color: var(--ink);
      background: var(--bg-warm);
    }

    .nav-list a.active {
      color: var(--primary);
      background: var(--primary-light);
      font-weight: 500;
    }

    .mobile-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--ink);
      border-radius: 2px;
      transition: var(--transition);
    }

    .hero-category {
      position: relative;
      background: linear-gradient(135deg, var(--dark-section) 0%, #2d3430 100%);
      overflow: hidden;
      padding: 120px 0 80px;
    }

    .hero-category::before {
      content: '';
      position: absolute;
      inset: 0;
      background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      opacity: 0.15;
      z-index: 0;
    }

    .hero-category-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
      text-align: center;
      color: white;
    }

    .hero-eyebrow {
      display: inline-block;
      padding: 8px 20px;
      background: rgba(196,97,47,0.2);
      color: var(--primary-light);
      border: 1px solid rgba(196,97,47,0.4);
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.03em;
      margin-bottom: 24px;
      text-transform: uppercase;
    }

    .hero-category h1 {
      font-family: 'Playfair Display', 'Noto Serif SC', serif;
      font-size: 56px;
      font-weight: 400;
      line-height: 1.15;
      letter-spacing: -0.02em;
      margin-bottom: 24px;
    }

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

    .hero-category .hero-desc {
      font-size: 19px;
      line-height: 1.65;
      color: rgba(255,255,255,0.85);
      max-width: 720px;
      margin: 0 auto 40px;
      font-weight: 300;
    }

    .hero-stats {
      display: flex;
      justify-content: center;
      gap: 48px;
      margin-top: 48px;
    }

    .stat-item {
      text-align: center;
    }

    .stat-number {
      display: block;
      font-size: 42px;
      font-weight: 600;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 8px;
    }

    .stat-label {
      font-size: 14px;
      color: rgba(255,255,255,0.7);
      font-weight: 400;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 32px;
      border-radius: var(--radius-full);
      font-size: 15px;
      font-weight: 500;
      transition: var(--transition);
      cursor: pointer;
      border: none;
    }

    .btn-primary {
      background: var(--primary);
      color: white;
      box-shadow: var(--shadow-sm);
    }

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

    .btn-outline {
      background: transparent;
      color: white;
      border: 1.5px solid rgba(255,255,255,0.3);
    }

    .btn-outline:hover {
      border-color: rgba(255,255,255,0.6);
      background: rgba(255,255,255,0.08);
    }

    .section {
      padding: 80px 0;
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 56px;
    }

    .section-eyebrow {
      display: inline-block;
      padding: 6px 16px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.02em;
      margin-bottom: 16px;
    }

    .section-title {
      font-family: 'Playfair Display', 'Noto Serif SC', serif;
      font-size: 42px;
      font-weight: 400;
      line-height: 1.25;
      letter-spacing: -0.015em;
      color: var(--ink);
      margin-bottom: 16px;
    }

    .section-title em {
      font-style: italic;
      color: var(--primary);
    }

    .section-desc {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.7;
      font-weight: 300;
    }

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

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

    .feature-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-light);
    }

    .feature-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 56px;
      height: 56px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: var(--radius-sm);
      font-size: 24px;
      margin-bottom: 20px;
    }

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

    .feature-card p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.65;
      font-weight: 300;
    }

    .content-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
      gap: 28px;
    }

    .content-card {
      background: var(--bg-white);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
      cursor: pointer;
    }

    .content-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-light);
    }

    .content-image {
      position: relative;
      width: 100%;
      aspect-ratio: 16/10;
      background: var(--bg-surface);
      overflow: hidden;
    }

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

    .content-card:hover .content-image img {
      transform: scale(1.05);
    }

    .content-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      padding: 6px 14px;
      background: rgba(196,97,47,0.95);
      color: white;
      border-radius: var(--radius-full);
      font-size: 12px;
      font-weight: 500;
      backdrop-filter: blur(8px);
    }

    .content-meta {
      position: absolute;
      bottom: 12px;
      right: 12px;
      display: flex;
      gap: 8px;
    }

    .meta-chip {
      padding: 5px 12px;
      background: rgba(255,255,255,0.92);
      border-radius: var(--radius-full);
      font-size: 12px;
      font-weight: 500;
      color: var(--ink);
      backdrop-filter: blur(8px);
    }

    .content-body {
      padding: 24px;
    }

    .content-title {
      font-size: 18px;
      font-weight: 500;
      color: var(--ink);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .content-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      font-weight: 300;
    }

    .content-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 16px;
      border-top: 1px solid var(--border-soft);
    }

    .content-date {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 400;
    }

    .content-views {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 400;
    }

    .tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 14px;
    }

    .tag {
      padding: 5px 14px;
      background: var(--bg-surface);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-full);
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 400;
      transition: var(--transition);
    }

    .tag:hover {
      color: var(--primary);
      border-color: var(--primary);
      background: var(--primary-light);
    }

    .process-timeline {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 32px;
      margin-top: 48px;
    }

    .timeline-item {
      position: relative;
      text-align: center;
      padding: 32px 24px;
      background: var(--bg-white);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      transition: var(--transition);
    }

    .timeline-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    .timeline-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 48px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 50%;
      font-size: 20px;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .timeline-item h4 {
      font-size: 18px;
      font-weight: 500;
      color: var(--ink);
      margin-bottom: 10px;
    }

    .timeline-item p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      font-weight: 300;
    }

    .faq-list {
      max-width: 880px;
      margin: 0 auto;
    }

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

    .faq-item:hover {
      border-color: var(--primary-light);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 24px 28px;
      font-size: 17px;
      font-weight: 500;
      color: var(--ink);
      text-align: left;
      cursor: pointer;
      transition: var(--transition);
    }

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

    .faq-icon {
      font-size: 20px;
      color: var(--primary);
      transition: var(--transition);
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }

    .faq-answer-content {
      padding: 0 28px 24px;
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      font-weight: 300;
    }

    .faq-item.active .faq-answer {
      max-height: 500px;
    }

    .cta-section {
      background: var(--dark-section);
      color: white;
      padding: 80px 0;
      text-align: center;
    }

    .cta-content {
      max-width: 760px;
      margin: 0 auto;
    }

    .cta-section h2 {
      font-family: 'Playfair Display', 'Noto Serif SC', serif;
      font-size: 46px;
      font-weight: 400;
      line-height: 1.2;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
    }

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

    .cta-section p {
      font-size: 18px;
      line-height: 1.65;
      color: rgba(255,255,255,0.8);
      margin-bottom: 36px;
      font-weight: 300;
    }

    .cta-buttons {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .scene-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 24px;
    }

    .scene-card {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      aspect-ratio: 4/5;
      cursor: pointer;
      transition: var(--transition);
    }

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

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

    .scene-card:hover img {
      transform: scale(1.06);
    }

    .scene-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(31,36,33,0.92) 0%, rgba(31,36,33,0.3) 50%, transparent 100%);
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 28px;
      color: white;
    }

    .scene-overlay h4 {
      font-family: 'Playfair Display', 'Noto Serif SC', serif;
      font-size: 24px;
      font-weight: 500;
      margin-bottom: 8px;
    }

    .scene-overlay p {
      font-size: 14px;
      color: rgba(255,255,255,0.85);
      line-height: 1.55;
      font-weight: 300;
    }

    .scene-tag {
      display: inline-block;
      padding: 4px 12px;
      background: rgba(196,97,47,0.9);
      border-radius: var(--radius-full);
      font-size: 12px;
      font-weight: 500;
      margin-bottom: 12px;
      align-self: flex-start;
    }

    .intro-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
    }

    .intro-image {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      aspect-ratio: 4/3;
    }

    .intro-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .intro-text h2 {
      font-family: 'Playfair Display', 'Noto Serif SC', serif;
      font-size: 40px;
      font-weight: 400;
      line-height: 1.25;
      letter-spacing: -0.015em;
      color: var(--ink);
      margin-bottom: 20px;
    }

    .intro-text h2 em {
      font-style: italic;
      color: var(--primary);
    }

    .intro-text > p {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 20px;
      font-weight: 300;
    }

    .intro-list {
      list-style: none;
      margin-top: 24px;
    }

    .intro-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 10px 0;
      font-size: 15px;
      color: var(--ink);
      font-weight: 400;
    }

    .intro-list li::before {
      content: '✓';
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 50%;
      font-size: 12px;
      font-weight: 700;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-bottom: 40px;
    }

    .filter-chip {
      padding: 10px 22px;
      background: var(--bg-white);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-full);
      font-size: 14px;
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition);
      font-weight: 400;
    }

    .filter-chip:hover {
      color: var(--primary);
      border-color: var(--primary);
    }

    .filter-chip.active {
      background: var(--primary);
      color: white;
      border-color: var(--primary);
      font-weight: 500;
    }

    .site-footer {
      background: var(--dark-section);
      color: rgba(255,255,255,0.75);
      padding: 72px 0 32px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 48px;
    }

    .footer-brand .brand {
      margin-bottom: 20px;
    }

    .footer-brand .brand-name {
      color: white;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.7;
      max-width: 360px;
      color: rgba(255,255,255,0.65);
      font-weight: 300;
    }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 500;
      color: white;
      margin-bottom: 18px;
    }

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

    .footer-col li {
      margin-bottom: 10px;
      font-size: 14px;
      color: rgba(255,255,255,0.65);
      font-weight: 300;
    }

    .footer-col a {
      color: rgba(255,255,255,0.65);
      transition: var(--transition);
    }

    .footer-col a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      padding-top: 28px;
      border-top: 1px solid rgba(255,255,255,0.1);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: rgba(255,255,255,0.5);
      flex-wrap: wrap;
      gap: 12px;
    }

    @media (max-width: 1024px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
      }
      .intro-block {
        gap: 40px;
      }
      .hero-category h1 {
        font-size: 44px;
      }
      .section-title, .intro-text h2 {
        font-size: 34px;
      }
    }

    @media (max-width: 768px) {
      .mobile-toggle {
        display: flex;
      }
      nav {
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        padding: 20px;
        border-bottom: 1px solid var(--border-soft);
        transform: translateY(-120%);
        transition: var(--transition);
        box-shadow: var(--shadow-md);
      }
      nav.open {
        transform: translateY(0);
      }
      .nav-list {
        flex-direction: column;
        gap: 4px;
      }
      .nav-list a {
        padding: 12px 18px;
      }
      .hero-category {
        padding: 80px 0 60px;
      }
      .hero-category h1 {
        font-size: 34px;
      }
      .hero-category .hero-desc {
        font-size: 16px;
      }
      .hero-stats {
        gap: 24px;
        flex-wrap: wrap;
      }
      .stat-number {
        font-size: 32px;
      }
      .section {
        padding: 60px 0;
      }
      .section-title, .intro-text h2 {
        font-size: 28px;
      }
      .cta-section h2 {
        font-size: 32px;
      }
      .intro-block {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 520px) {
      .container, .container-wide, .header-content {
        padding-left: 18px;
        padding-right: 18px;
      }
      .hero-category h1 {
        font-size: 28px;
      }
      .content-body {
        padding: 20px;
      }
      .feature-card {
        padding: 24px;
      }
      .faq-question {
        padding: 20px;
        font-size: 15px;
      }
      .faq-answer-content {
        padding: 0 20px 20px;
      }
    }

/* roulang page: category2 */
:root{
  --c-bg:#0e0b12;
  --c-bg-2:#161018;
  --c-card:#1c1520;
  --c-card-2:#221827;
  --c-border:#2b1f30;
  --c-text:#f4ecf3;
  --c-text-dim:#c3b3c4;
  --c-muted:#8a7c8d;
  --c-primary:#ff3f7f;
  --c-primary-2:#ff7ea6;
  --c-accent:#c7a3ff;
  --c-gold:#f7c86b;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-xl:32px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.25);
  --shadow-md:0 12px 32px rgba(0,0,0,.35);
  --shadow-glow:0 10px 40px rgba(255,63,127,.28);
  --gap:24px;
  --maxw:1200px;
  --tr:.28s ease;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--c-primary-2)}
button{font-family:inherit;cursor:pointer;border:0}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:700;letter-spacing:.02em;line-height:1.25}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Header / Nav */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(14,11,18,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  color:#fff;font-size:18px;box-shadow:var(--shadow-glow);
}
.brand-name{background:linear-gradient(135deg,#fff,#ffd0e0);-webkit-background-clip:text;background-clip:text;color:transparent}
nav .nav-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-list a{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:999px;
  font-size:14.5px;color:var(--c-text-dim);
  transition:all var(--tr);
}
.nav-list a:hover{color:#fff;background:rgba(255,63,127,.12)}
.nav-list a.active{
  color:#fff;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  box-shadow:0 6px 18px rgba(255,63,127,.35);
}
.nav-toggle{display:none;background:transparent;color:#fff;font-size:22px;padding:6px 10px;border-radius:8px}

/* Hero (category style, not homepage) */
.cat-hero{
  position:relative;
  padding:80px 0 70px;
  background:
    linear-gradient(180deg,rgba(14,11,18,.55) 0%,rgba(14,11,18,.85) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--c-border);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 80% 30%,rgba(255,63,127,.22),transparent 60%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.crumbs{display:flex;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:18px}
.crumbs a:hover{color:var(--c-primary-2)}
.crumbs span{color:var(--c-text-dim)}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,63,127,.14);
  border:1px solid rgba(255,63,127,.35);
  color:var(--c-primary-2);font-size:13px;font-weight:600;
  margin-bottom:18px;
}
.tag-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px var(--c-primary)}
.cat-hero h1{
  font-size:clamp(30px,4.6vw,52px);
  margin-bottom:18px;
}
.cat-hero h1 em{
  font-style:normal;
  background:linear-gradient(135deg,var(--c-primary-2),var(--c-gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero p.lead{
  font-size:17px;color:var(--c-text-dim);max-width:680px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;
}
.hero-meta .chip{
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--c-border);
  font-size:13px;color:var(--c-text-dim);
}
.hero-meta .chip strong{color:#fff;margin-right:4px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:12px;font-weight:700;font-size:15px;
  transition:transform var(--tr),box-shadow var(--tr),background var(--tr);
}
.btn-primary{
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(255,63,127,.45);color:#fff}
.btn-ghost{
  background:rgba(255,255,255,.06);
  color:#fff;border:1px solid var(--c-border);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px)}

/* Section shell */
section{padding:74px 0}
.sec-head{max-width:720px;margin:0 auto 44px;text-align:center}
.sec-head .eyebrow{
  display:inline-block;color:var(--c-primary-2);
  font-size:13px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;margin-bottom:12px;
}
.sec-head h2{font-size:clamp(24px,3vw,36px)}
.sec-head p{color:var(--c-text-dim);font-size:16px}

/* Feature grid */
.feat-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);
}
.feat-card{
  position:relative;
  background:linear-gradient(180deg,var(--c-card),var(--c-card-2));
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  padding:30px 26px;
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.feat-card:hover{transform:translateY(-6px);border-color:rgba(255,63,127,.5);box-shadow:var(--shadow-md)}
.feat-icon{
  width:52px;height:52px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(255,63,127,.18),rgba(199,163,255,.18));
  border:1px solid rgba(255,63,127,.28);
  color:var(--c-primary-2);font-size:22px;margin-bottom:18px;
}
.feat-card h3{font-size:19px;color:#fff}
.feat-card p{color:var(--c-text-dim);font-size:14.5px;margin:0}

/* Scenarios (image + text alternating) */
.scenarios{background:linear-gradient(180deg,var(--c-bg),var(--c-bg-2))}
.scene-list{display:grid;gap:32px}
.scene-item{
  display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);overflow:hidden;
  transition:box-shadow var(--tr),border-color var(--tr);
}
.scene-item:hover{border-color:rgba(255,63,127,.4);box-shadow:var(--shadow-md)}
.scene-item.reverse{grid-template-columns:1fr 1.05fr}
.scene-item.reverse .scene-media{order:2}
.scene-media{
  position:relative;height:100%;min-height:280px;
  background-size:cover;background-position:center;
}
.scene-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(28,21,32,.7),transparent 40%);
}
.scene-body{padding:36px 32px}
.scene-tag{
  display:inline-block;padding:4px 10px;border-radius:6px;
  background:rgba(199,163,255,.14);color:var(--c-accent);
  font-size:12px;font-weight:600;margin-bottom:12px;letter-spacing:.08em;
}
.scene-body h3{font-size:22px;color:#fff}
.scene-body p{color:var(--c-text-dim);font-size:15px}
.scene-body ul{margin-top:14px}
.scene-body ul li{
  position:relative;padding-left:22px;margin-bottom:8px;
  font-size:14.5px;color:var(--c-text-dim);
}
.scene-body ul li::before{
  content:"";position:absolute;left:0;top:9px;
  width:10px;height:10px;border-radius:3px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
}

/* Steps / Flow */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);padding:28px 22px 24px;
  transition:transform var(--tr),border-color var(--tr);
}
.step:hover{transform:translateY(-4px);border-color:rgba(255,63,127,.45)}
.step-num{
  font-size:44px;font-weight:800;line-height:1;
  background:linear-gradient(135deg,var(--c-primary),var(--c-gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:10px;
}
.step h3{font-size:17px;color:#fff}
.step p{color:var(--c-text-dim);font-size:14px;margin:0}

/* Highlight strip (stats) */
.stats-strip{
  background:linear-gradient(135deg,rgba(255,63,127,.14),rgba(199,163,255,.1));
  border:1px solid var(--c-border);
  border-radius:var(--r-xl);
  padding:36px 28px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;
}
.stats-strip .num{
  font-size:36px;font-weight:800;line-height:1;
  background:linear-gradient(135deg,#fff,var(--c-primary-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:6px;
}
.stats-strip .label{color:var(--c-text-dim);font-size:14px}

/* Model cards */
.model-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.model-card{
  position:relative;overflow:hidden;border-radius:var(--r-md);
  background:var(--c-card);border:1px solid var(--c-border);
  transition:transform var(--tr),box-shadow var(--tr);
}
.model-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.model-thumb{
  aspect-ratio:3/4;background-size:cover;background-position:center;
  position:relative;
}
.model-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(14,11,18,.9));
}
.model-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:4px 10px;border-radius:6px;
  background:rgba(0,0,0,.55);backdrop-filter:blur(6px);
  font-size:12px;color:#fff;
}
.model-badge.hot{background:linear-gradient(135deg,#ff3f7f,#ff7a4a);color:#fff}
.model-badge.new{background:linear-gradient(135deg,#8ee06c,#4bc78a);color:#0d1a10}
.model-info{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
}
.model-info h4{font-size:17px;color:#fff;margin:0 0 4px}
.model-info span{font-size:13px;color:var(--c-text-dim)}
.model-info .meta{
  display:flex;justify-content:space-between;align-items:center;margin-top:8px;
  font-size:12.5px;color:var(--c-muted);
}
.model-info .meta em{color:var(--c-gold);font-style:normal}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-md);
  padding:20px 22px;margin-bottom:14px;
  transition:border-color var(--tr);
}
.faq-item:hover{border-color:rgba(255,63,127,.4)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  font-size:16.5px;font-weight:600;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--c-primary-2);transition:transform var(--tr);
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{margin:14px 0 0;color:var(--c-text-dim);font-size:14.5px;line-height:1.75}

/* CTA */
.cta-block{
  position:relative;overflow:hidden;
  background:
    linear-gradient(135deg,rgba(255,63,127,.85),rgba(199,163,255,.7)),
    url('/assets/images/backpic/back-3.webp') center/cover;
  border-radius:var(--r-xl);
  padding:56px 40px;text-align:center;
  box-shadow:var(--shadow-md);
}
.cta-block h2{font-size:clamp(24px,3vw,34px);color:#fff}
.cta-block p{color:rgba(255,255,255,.9);font-size:16px;max-width:640px;margin:0 auto 26px}
.cta-block .btn-primary{background:#fff;color:#c1235f}
.cta-block .btn-primary:hover{background:#ffe5ee;color:#a01650}
.cta-block .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.cta-block .btn-ghost:hover{background:rgba(255,255,255,.15);color:#fff}

/* Footer */
.site-footer{
  background:#0a080d;
  border-top:1px solid var(--c-border);
  padding:56px 0 28px;color:var(--c-text-dim);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:36px;border-bottom:1px solid var(--c-border);
}
.footer-brand p{margin-top:12px;font-size:14px;line-height:1.75;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul li{margin-bottom:10px;font-size:14px}
.footer-col ul li a{color:var(--c-text-dim)}
.footer-col ul li a:hover{color:var(--c-primary-2)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:22px;font-size:13px;color:var(--c-muted);
}

/* Responsive */
@media (max-width:1024px){
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .model-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  section{padding:56px 0}
  .cat-hero{padding:56px 0 48px}
  .scene-item,.scene-item.reverse{grid-template-columns:1fr}
  .scene-item.reverse .scene-media{order:0}
  .scene-media{min-height:220px}
  .scene-body{padding:26px 22px}
  .model-grid{grid-template-columns:repeat(2,1fr)}
  .nav-toggle{display:inline-flex}
  nav .nav-list{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:var(--c-bg-2);border-bottom:1px solid var(--c-border);
    padding:12px 20px;gap:4px;
    display:none;
  }
  nav.open .nav-list{display:flex}
  .nav-list a{padding:12px 14px;border-radius:10px}
}
@media (max-width:520px){
  .feat-grid,.steps-grid,.stats-strip{grid-template-columns:1fr}
  .model-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-block{padding:40px 22px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --c-bg:#0f0a12;
  --c-bg-alt:#1a1220;
  --c-surface:#231830;
  --c-surface-2:#2d2140;
  --c-primary:#e0407a;
  --c-primary-2:#ff6b9d;
  --c-accent:#c084fc;
  --c-gold:#f5b544;
  --c-text:#f5eef5;
  --c-text-dim:#b0a3b8;
  --c-muted:#7d7086;
  --c-border:rgba(255,255,255,.08);
  --c-border-strong:rgba(255,255,255,.14);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-sm:0 4px 12px rgba(0,0,0,.35);
  --sh-md:0 12px 32px rgba(0,0,0,.45);
  --sh-lg:0 20px 60px rgba(224,64,122,.28);
  --sp-1:.5rem;
  --sp-2:1rem;
  --sp-3:1.5rem;
  --sp-4:2rem;
  --sp-5:3rem;
  --sp-6:4.5rem;
  --f-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --grad-hero:linear-gradient(135deg,#3d1a3d 0%,#1a1220 55%,#2a1030 100%);
  --grad-primary:linear-gradient(135deg,#e0407a 0%,#c084fc 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--f-sans);
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}
h1,h2,h3,h4{font-weight:700;line-height:1.25;letter-spacing:-.01em}
.container{width:min(1200px,92%);margin:0 auto}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(15,10,18,.85);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--c-border);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:var(--sp-3);padding:.9rem 0;
}
.brand{display:flex;align-items:center;gap:.65rem}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--grad-primary);
  display:grid;place-items:center;
  font-weight:800;font-size:1.15rem;
  box-shadow:0 6px 20px rgba(224,64,122,.5);
}
.brand-name{font-size:1.12rem;font-weight:700;letter-spacing:.5px}
nav .nav-list{display:flex;gap:.35rem;align-items:center}
.nav-list a{
  padding:.55rem 1rem;border-radius:var(--r-pill);
  color:var(--c-text-dim);font-size:.94rem;font-weight:500;
  transition:all .25s ease;
}
.nav-list a:hover{color:var(--c-text);background:rgba(255,255,255,.06)}
.nav-list a.active{
  color:#fff;
  background:var(--grad-primary);
  box-shadow:0 4px 14px rgba(224,64,122,.4);
}
.menu-toggle{display:none;font-size:1.5rem;color:var(--c-text)}

/* Category Hero — 版式：全宽横幅 + 双分栏底部信息带 */
.cat-hero{
  position:relative;
  min-height:520px;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:var(--sp-6) 0 0;
  overflow:hidden;
  isolation:isolate;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  filter:saturate(1.1);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(15,10,18,.55) 0%,rgba(15,10,18,.85) 60%,var(--c-bg) 100%);
}
.cat-hero-top{padding-bottom:var(--sp-5)}
.crumb{
  display:inline-flex;gap:.5rem;align-items:center;
  font-size:.85rem;color:var(--c-text-dim);margin-bottom:1.2rem;
}
.crumb a:hover{color:var(--c-primary-2)}
.crumb .sep{color:var(--c-muted)}
.crumb .now{color:var(--c-primary-2)}
.cat-hero h1{
  font-size:clamp(2.2rem,5vw,3.6rem);
  max-width:820px;
  margin-bottom:1.1rem;
  background:linear-gradient(90deg,#fff 0%,#ffd6e8 60%,#c084fc 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.cat-hero-desc{
  font-size:1.08rem;color:#e8dced;max-width:720px;line-height:1.8;
  margin-bottom:1.6rem;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:.55rem;margin-bottom:2rem}
.hero-tags span{
  padding:.4rem 1rem;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  border:1px solid var(--c-border-strong);
  font-size:.85rem;color:#f0e6f2;
  backdrop-filter:blur(8px);
}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;border-top:1px solid var(--c-border);
  border-bottom:1px solid var(--c-border);
  margin-top:var(--sp-3);
  background:rgba(35,24,48,.4);
  backdrop-filter:blur(10px);
}
.hero-stat{
  padding:1.4rem 1.2rem;
  border-right:1px solid var(--c-border);
  text-align:left;
}
.hero-stat:last-child{border-right:none}
.hero-stat .num{
  font-size:1.9rem;font-weight:800;
  background:var(--grad-primary);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  display:block;line-height:1;margin-bottom:.35rem;
}
.hero-stat .lbl{font-size:.82rem;color:var(--c-text-dim);letter-spacing:.5px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:.5rem;padding:.85rem 1.7rem;
  border-radius:var(--r-pill);
  font-weight:600;font-size:.95rem;
  transition:all .28s cubic-bezier(.2,.8,.2,1);
  cursor:pointer;white-space:nowrap;
}
.btn-primary{
  background:var(--grad-primary);color:#fff;
  box-shadow:0 8px 24px rgba(224,64,122,.4);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(224,64,122,.55)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.06);
  border:1px solid var(--c-border-strong);
  color:var(--c-text);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:var(--c-primary)}

/* Section base */
section{padding:var(--sp-6) 0}
.sec-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  gap:var(--sp-3);margin-bottom:var(--sp-4);flex-wrap:wrap;
}
.sec-title-block{max-width:640px}
.sec-eyebrow{
  display:inline-block;font-size:.82rem;font-weight:600;
  color:var(--c-primary-2);letter-spacing:2px;
  text-transform:uppercase;margin-bottom:.65rem;
}
.sec-title{font-size:clamp(1.7rem,3.2vw,2.4rem);margin-bottom:.6rem}
.sec-sub{color:var(--c-text-dim);font-size:1.02rem}

/* Filter Bar */
.filter-bar{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  padding:1.3rem 1.5rem;
  margin-bottom:var(--sp-4);
  display:flex;flex-wrap:wrap;align-items:center;gap:1rem;
}
.filter-group{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap}
.filter-group .label{font-size:.85rem;color:var(--c-muted);font-weight:500}
.chip{
  padding:.42rem 1rem;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--c-border);
  font-size:.85rem;color:var(--c-text-dim);
  cursor:pointer;transition:all .2s;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-text)}
.chip.on{
  background:var(--grad-primary);color:#fff;
  border-color:transparent;
  box-shadow:0 4px 12px rgba(224,64,122,.35);
}

/* Video Grid */
.vid-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:1.4rem;
}
.vid-card{
  background:var(--c-surface);
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--c-border);
  transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s,border-color .3s;
  position:relative;
}
.vid-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-md);
  border-color:var(--c-primary);
}
.vid-cover{
  position:relative;aspect-ratio:16/10;overflow:hidden;
}
.vid-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.vid-card:hover .vid-cover img{transform:scale(1.06)}
.vid-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.7) 100%);
}
.vid-duration{
  position:absolute;bottom:.6rem;right:.7rem;z-index:2;
  background:rgba(0,0,0,.75);color:#fff;
  padding:.2rem .55rem;border-radius:4px;
  font-size:.78rem;font-weight:600;letter-spacing:.5px;
}
.vid-hd{
  position:absolute;top:.7rem;left:.7rem;z-index:2;
  background:var(--c-gold);color:#1a1220;
  padding:.15rem .5rem;border-radius:4px;
  font-size:.72rem;font-weight:700;letter-spacing:.5px;
}
.vid-play{
  position:absolute;inset:0;display:grid;place-items:center;
  opacity:0;transition:opacity .3s;z-index:2;
}
.vid-play::before{
  content:"";width:60px;height:60px;border-radius:50%;
  background:rgba(224,64,122,.9);
  box-shadow:0 8px 24px rgba(0,0,0,.4);
}
.vid-play::after{
  content:"";position:absolute;
  border-style:solid;border-width:11px 0 11px 18px;
  border-color:transparent transparent transparent #fff;
  margin-left:5px;
}
.vid-card:hover .vid-play{opacity:1}
.vid-body{padding:1rem 1.1rem 1.15rem}
.vid-title{
  font-size:.98rem;font-weight:600;line-height:1.45;
  color:var(--c-text);margin-bottom:.6rem;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
}
.vid-meta{
  display:flex;justify-content:space-between;align-items:center;
  font-size:.8rem;color:var(--c-muted);
}
.vid-meta .views{display:inline-flex;align-items:center;gap:.3rem}
.vid-meta .views::before{
  content:"▸";color:var(--c-primary-2);font-size:.9rem;
}
.vid-tag{
  display:inline-block;padding:.15rem .55rem;
  background:rgba(224,64,122,.15);
  color:var(--c-primary-2);
  border-radius:4px;font-size:.72rem;font-weight:600;
}

/* Features Section */
.feat-alt{background:var(--c-bg-alt)}
.feat-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;
}
.feat-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  padding:2rem 1.7rem;
  transition:all .3s;
  position:relative;overflow:hidden;
}
.feat-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-primary);
  transform:scaleX(0);transform-origin:left;
  transition:transform .35s ease;
}
.feat-card:hover{
  transform:translateY(-4px);
  border-color:var(--c-border-strong);
  box-shadow:var(--sh-md);
}
.feat-card:hover::before{transform:scaleX(1)}
.feat-icon{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,rgba(224,64,122,.2),rgba(192,132,252,.2));
  display:grid;place-items:center;font-size:1.6rem;
  margin-bottom:1.1rem;
}
.feat-card h3{font-size:1.15rem;margin-bottom:.6rem}
.feat-card p{color:var(--c-text-dim);font-size:.94rem;line-height:1.7}

/* Scenes — 图文交错 */
.scene-list{display:flex;flex-direction:column;gap:var(--sp-4)}
.scene-row{
  display:grid;grid-template-columns:1.1fr 1fr;
  gap:var(--sp-4);align-items:center;
}
.scene-row:nth-child(even){grid-template-columns:1fr 1.1fr}
.scene-row:nth-child(even) .scene-img{order:2}
.scene-img{
  border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:4/3;position:relative;
  box-shadow:var(--sh-md);
}
.scene-img img{width:100%;height:100%;object-fit:cover}
.scene-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(45deg,rgba(224,64,122,.15),transparent);
  pointer-events:none;
}
.scene-text .num{
  display:inline-block;font-family:Georgia,serif;
  font-size:2.4rem;font-weight:800;color:var(--c-primary-2);
  line-height:1;margin-bottom:.8rem;
}
.scene-text h3{font-size:1.6rem;margin-bottom:.9rem}
.scene-text p{color:var(--c-text-dim);margin-bottom:1rem;line-height:1.75}
.scene-text ul{list-style:none;display:flex;flex-direction:column;gap:.5rem}
.scene-text li{
  padding-left:1.5rem;position:relative;color:var(--c-text-dim);font-size:.94rem;
}
.scene-text li::before{
  content:"✓";position:absolute;left:0;color:var(--c-primary-2);font-weight:700;
}

/* FAQ */
.faq-bg{background:var(--c-bg-alt)}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:1rem}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .3s;
}
.faq-item:hover{border-color:var(--c-border-strong)}
.faq-q{
  display:flex;justify-content:space-between;align-items:center;
  padding:1.3rem 1.5rem;cursor:pointer;
  font-weight:600;font-size:1.02rem;
  gap:1rem;
}
.faq-q::after{
  content:"+";font-size:1.5rem;color:var(--c-primary-2);
  transition:transform .3s;flex-shrink:0;
}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .4s ease,padding .4s ease;
  padding:0 1.5rem;
  color:var(--c-text-dim);line-height:1.75;
}
.faq-item.open .faq-a{max-height:400px;padding:0 1.5rem 1.3rem}

/* CTA */
.cta-sec{
  background:var(--grad-hero);
  position:relative;overflow:hidden;isolation:isolate;
}
.cta-sec::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.12;z-index:-1;
}
.cta-inner{
  text-align:center;max-width:680px;margin:0 auto;
  padding:var(--sp-5) 0;
}
.cta-badge{
  display:inline-block;padding:.4rem 1.1rem;
  background:rgba(224,64,122,.2);
  border:1px solid rgba(224,64,122,.4);
  border-radius:var(--r-pill);
  color:var(--c-primary-2);font-size:.82rem;font-weight:600;
  letter-spacing:1px;margin-bottom:1.2rem;
}
.cta-inner h2{font-size:clamp(1.9rem,3.5vw,2.6rem);margin-bottom:1rem}
.cta-inner p{font-size:1.08rem;color:var(--c-text-dim);margin-bottom:2rem;line-height:1.75}
.cta-btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* Footer */
.site-footer{
  background:var(--c-bg-alt);
  border-top:1px solid var(--c-border);
  padding:var(--sp-5) 0 var(--sp-3);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:var(--sp-4);margin-bottom:var(--sp-4);
}
.footer-brand .brand{margin-bottom:1rem}
.footer-brand p{color:var(--c-text-dim);font-size:.9rem;line-height:1.7}
.footer-col h4{
  font-size:1rem;margin-bottom:1rem;color:var(--c-text);
}
.footer-col ul{display:flex;flex-direction:column;gap:.6rem}
.footer-col a{color:var(--c-text-dim);font-size:.88rem;transition:color .2s}
.footer-col a:hover{color:var(--c-primary-2)}
.footer-col li:not(:has(a)){color:var(--c-muted);font-size:.86rem}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  gap:1rem;padding-top:var(--sp-3);
  border-top:1px solid var(--c-border);
  color:var(--c-muted);font-size:.84rem;flex-wrap:wrap;
}

/* Responsive */
@media(max-width:1024px){
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stat:nth-child(2){border-right:none}
  .hero-stat:nth-child(3){border-right:1px solid var(--c-border)}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .scene-row,.scene-row:nth-child(even){grid-template-columns:1fr;gap:var(--sp-3)}
  .scene-row:nth-child(even) .scene-img{order:0}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .header-inner{padding:.7rem 0}
  .menu-toggle{display:block}
  nav{
    position:absolute;top:100%;left:0;right:0;
    background:rgba(15,10,18,.97);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--c-border);
    max-height:0;overflow:hidden;
    transition:max-height .4s ease;
  }
  nav.open{max-height:400px}
  .nav-list{flex-direction:column;padding:1rem 0;gap:.3rem}
  .nav-list a{width:100%;padding:.75rem 1.5rem;border-radius:0}
  .cat-hero{min-height:420px;padding:var(--sp-4) 0 0}
  .cat-hero h1{font-size:2rem}
  .hero-stats{grid-template-columns:1fr;border:none;background:transparent;margin-top:0;gap:.8rem}
  .hero-stat{border:1px solid var(--c-border)!important;border-radius:var(--r-md);background:var(--c-surface)}
  .filter-bar{padding:1rem;flex-direction:column;align-items:stretch}
  .filter-group{width:100%}
  .chip{flex:1;text-align:center;justify-content:center}
  .vid-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}
  .feat-grid{grid-template-columns:1fr;gap:1.2rem}
  .faq-q{font-size:.96rem;padding:1.1rem 1.2rem}
  .faq-a{font-size:.9rem}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-3)}
  .footer-bottom{flex-direction:column;text-align:center}
  section{padding:var(--sp-4) 0}
}
@media(max-width:520px){
  .cat-hero h1{font-size:1.7rem}
  .hero-tags{gap:.4rem}
  .hero-tags span{font-size:.8rem;padding:.3rem .75rem}
  .vid-grid{grid-template-columns:1fr}
  .cta-btns{flex-direction:column}
  .btn{width:100%}
}

/* roulang page: category4 */
:root{
  --c-bg:#0d0912;
  --c-bg-2:#141021;
  --c-surface:#1a1526;
  --c-surface-2:#221b32;
  --c-line:rgba(255,255,255,.08);
  --c-line-strong:rgba(255,255,255,.16);
  --c-text:#f4eef8;
  --c-text-mute:#b6accb;
  --c-text-dim:#8a80a3;
  --c-primary:#ff3c78;
  --c-primary-2:#a44bff;
  --c-accent:#ffb347;
  --c-success:#4be1a0;
  --grad-hot:linear-gradient(135deg,#ff3c78 0%,#a44bff 100%);
  --grad-warm:linear-gradient(135deg,#ffb347 0%,#ff3c78 100%);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-xl:32px;
  --sh-sm:0 2px 8px rgba(0,0,0,.3);
  --sh-md:0 10px 30px rgba(0,0,0,.35);
  --sh-lg:0 24px 60px rgba(255,60,120,.18);
  --sp-1:8px; --sp-2:14px; --sp-3:22px; --sp-4:34px; --sp-5:56px; --sp-6:84px;
  --fz-xs:12px; --fz-sm:14px; --fz-md:16px; --fz-lg:18px; --fz-xl:22px; --fz-2xl:30px; --fz-3xl:44px; --fz-4xl:56px;
  --t-fast:.18s ease;
  --t-base:.28s cubic-bezier(.4,.14,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:var(--fz-md);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t-fast)}
a:hover{color:var(--c-primary)}
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;font-weight:700;letter-spacing:.02em;line-height:1.25}
p{margin:0}
.container{width:min(1200px,92%);margin:0 auto}

/* Header / Nav */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,9,18,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:var(--sp-3)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-hot);
  display:grid;place-items:center;
  color:#fff;font-size:20px;font-weight:900;
  box-shadow:0 6px 18px rgba(255,60,120,.4);
}
.brand-name{font-size:18px;color:#fff;letter-spacing:.05em}
nav{flex:1;display:flex;justify-content:center}
.nav-list{display:flex;gap:6px;flex-wrap:wrap}
.nav-list a{
  display:inline-block;padding:9px 16px;border-radius:999px;
  color:var(--c-text-mute);font-size:15px;font-weight:500;
  transition:all var(--t-base);
}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-list a.active{color:#fff;background:var(--grad-hot);box-shadow:0 6px 18px rgba(255,60,120,.35)}
.header-cta{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-weight:600;font-size:15px;
  transition:transform var(--t-base),box-shadow var(--t-base),background var(--t-base);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-hot);color:#fff;box-shadow:0 8px 22px rgba(255,60,120,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,60,120,.5);color:#fff}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid var(--c-line-strong)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-warm{background:var(--grad-warm);color:#231228}
.btn-warm:hover{transform:translateY(-2px);color:#231228}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.06);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}

/* Hero - non-standard layout: full width banner with overlapping stats card */
.hero{
  position:relative;
  padding:var(--sp-6) 0 var(--sp-5);
  overflow:hidden;
  background:
    linear-gradient(180deg,rgba(13,9,18,.5) 0%,rgba(13,9,18,.88) 65%,var(--c-bg) 100%),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:auto -10% -30% -10%;height:60%;
  background:radial-gradient(ellipse at center,rgba(164,75,255,.35),transparent 70%);
  filter:blur(60px);pointer-events:none;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,60,120,.14);
  border:1px solid rgba(255,60,120,.35);
  color:#ffbcd0;font-size:13px;font-weight:500;
  margin-bottom:22px;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px var(--c-primary)}
.hero h1{
  font-size:var(--fz-4xl);
  max-width:820px;
  background:linear-gradient(180deg,#fff 40%,#d8c8e6 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:22px;
}
.hero-lead{font-size:var(--fz-lg);color:var(--c-text-mute);max-width:720px;margin-bottom:34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:56px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:60px}
.hero-tags span{
  padding:7px 14px;border-radius:8px;font-size:13px;
  background:rgba(255,255,255,.05);border:1px solid var(--c-line);color:var(--c-text-mute);
}
.hero-stats{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;
  background:linear-gradient(180deg,rgba(34,27,50,.9),rgba(26,21,38,.9));
  border:1px solid var(--c-line-strong);
  border-radius:var(--r-lg);
  padding:26px 10px;
  backdrop-filter:blur(10px);
  box-shadow:var(--sh-md);
}
.hero-stats .stat{text-align:center;padding:6px 12px;border-right:1px solid var(--c-line)}
.hero-stats .stat:last-child{border-right:0}
.hero-stats .num{font-size:32px;font-weight:800;background:var(--grad-hot);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:4px}
.hero-stats .lbl{font-size:13px;color:var(--c-text-dim);letter-spacing:.05em}

/* Section base */
section{padding:var(--sp-6) 0}
.section-head{max-width:760px;margin:0 auto var(--sp-5);text-align:center}
.section-eyebrow{
  display:inline-block;font-size:13px;color:#ff9ec1;
  letter-spacing:.24em;text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:var(--fz-3xl);margin-bottom:14px}
.section-head p{color:var(--c-text-mute);font-size:var(--fz-lg)}

/* Highlights grid */
.highlight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.h-card{
  padding:32px 26px;border-radius:var(--r-lg);
  background:linear-gradient(180deg,var(--c-surface),var(--c-surface-2));
  border:1px solid var(--c-line);
  position:relative;overflow:hidden;
  transition:transform var(--t-base),border-color var(--t-base),box-shadow var(--t-base);
}
.h-card::after{
  content:"";position:absolute;inset:auto -30% -60% auto;width:200px;height:200px;border-radius:50%;
  background:var(--grad-hot);opacity:.08;filter:blur(30px);transition:opacity var(--t-base);
}
.h-card:hover{transform:translateY(-6px);border-color:rgba(255,60,120,.4);box-shadow:var(--sh-lg)}
.h-card:hover::after{opacity:.2}
.h-card .icon{
  width:52px;height:52px;border-radius:14px;
  display:grid;place-items:center;font-size:22px;font-weight:900;
  background:var(--grad-hot);color:#fff;margin-bottom:20px;
  box-shadow:0 8px 20px rgba(255,60,120,.3);
}
.h-card h3{font-size:var(--fz-xl);margin-bottom:10px}
.h-card p{color:var(--c-text-mute);font-size:15px;line-height:1.75}

/* Scene showcase - masonry-like */
.scene-wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:18px}
.scene-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);
  min-height:280px;
  transition:transform var(--t-base);
}
.scene-card:hover{transform:translateY(-4px)}
.scene-card.tall{grid-row:span 2;min-height:calc(280px * 2 + 18px)}
.scene-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .6s ease}
.scene-card:hover img{transform:scale(1.06)}
.scene-card .mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,9,18,0) 40%,rgba(13,9,18,.92) 100%);
}
.scene-card .info{
  position:absolute;left:0;right:0;bottom:0;padding:22px;z-index:2;
}
.scene-card .tag{
  display:inline-block;font-size:12px;padding:4px 10px;border-radius:6px;
  background:rgba(255,60,120,.85);color:#fff;margin-bottom:10px;letter-spacing:.06em;
}
.scene-card h3{font-size:var(--fz-xl);margin-bottom:6px;color:#fff}
.scene-card p{color:rgba(255,255,255,.75);font-size:14px}
.scene-card .meta{
  display:flex;gap:14px;margin-top:12px;font-size:12px;color:rgba(255,255,255,.6);
}
.scene-card .meta span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--c-primary);margin-right:6px;vertical-align:middle}

/* Curator picks list */
.picks{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pick{
  border-radius:var(--r-md);overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:all var(--t-base);
  display:flex;flex-direction:column;
}
.pick:hover{border-color:rgba(255,60,120,.4);transform:translateY(-4px);box-shadow:var(--sh-md)}
.pick-cover{position:relative;aspect-ratio:4/5;overflow:hidden}
.pick-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.pick:hover .pick-cover img{transform:scale(1.05)}
.pick-cover .badge{
  position:absolute;top:12px;left:12px;padding:4px 9px;border-radius:6px;
  font-size:11px;font-weight:600;letter-spacing:.05em;
  background:rgba(13,9,18,.75);backdrop-filter:blur(6px);color:#fff;
  border:1px solid rgba(255,255,255,.15);
}
.pick-cover .duration{
  position:absolute;bottom:10px;right:10px;padding:3px 8px;border-radius:5px;
  font-size:11px;background:rgba(0,0,0,.7);color:#fff;
}
.pick-body{padding:14px 16px 18px;flex:1;display:flex;flex-direction:column}
.pick-body h4{font-size:15px;margin-bottom:6px;line-height:1.5}
.pick-body .desc{font-size:13px;color:var(--c-text-dim);line-height:1.6;flex:1}
.pick-body .foot{display:flex;justify-content:space-between;align-items:center;margin-top:12px;font-size:12px;color:var(--c-text-dim)}
.pick-body .heat{color:var(--c-accent);font-weight:600}

/* Process timeline */
.process-section{
  background:linear-gradient(180deg,var(--c-bg) 0%,var(--c-bg-2) 100%);
}
.process-list{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  counter-reset:step;
  position:relative;
}
.process-list::before{
  content:"";position:absolute;top:36px;left:8%;right:8%;height:1px;
  background:linear-gradient(90deg,transparent,var(--c-line-strong) 20%,var(--c-line-strong) 80%,transparent);
}
.process-item{
  text-align:center;padding:0 18px;position:relative;
}
.process-num{
  width:72px;height:72px;margin:0 auto 20px;border-radius:50%;
  background:var(--c-surface-2);border:1px solid var(--c-line-strong);
  display:grid;place-items:center;
  font-size:26px;font-weight:800;color:#fff;
  position:relative;z-index:2;
  transition:all var(--t-base);
}
.process-item:hover .process-num{
  background:var(--grad-hot);border-color:transparent;
  box-shadow:0 10px 24px rgba(255,60,120,.4);
}
.process-item h3{font-size:var(--fz-lg);margin-bottom:10px}
.process-item p{color:var(--c-text-mute);font-size:14px}

/* Fit / Audience */
.fit-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
}
.fit-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  aspect-ratio:5/4;
  box-shadow:var(--sh-lg);
}
.fit-media img{width:100%;height:100%;object-fit:cover}
.fit-media .float{
  position:absolute;bottom:24px;left:24px;right:24px;
  padding:16px 20px;border-radius:var(--r-md);
  background:rgba(13,9,18,.75);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;align-items:center;color:#fff;
}
.fit-media .float strong{font-size:22px;color:var(--c-primary)}
.fit-media .float small{font-size:12px;color:var(--c-text-mute);display:block;margin-top:2px}
.fit-list{display:flex;flex-direction:column;gap:16px}
.fit-item{
  padding:22px 24px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-line);
  display:flex;gap:18px;align-items:flex-start;
  transition:all var(--t-base);
}
.fit-item:hover{border-color:rgba(255,60,120,.4);background:var(--c-surface-2)}
.fit-check{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;
  background:rgba(75,225,160,.15);color:var(--c-success);
  display:grid;place-items:center;font-size:16px;font-weight:900;
}
.fit-item h4{font-size:16px;margin-bottom:5px}
.fit-item p{color:var(--c-text-mute);font-size:14px;line-height:1.65}

/* FAQ */
.faq-list{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  border-radius:var(--r-md);background:var(--c-surface);
  border:1px solid var(--c-line);
  overflow:hidden;
  transition:border-color var(--t-base);
}
.faq-item:hover,.faq-item[open]{border-color:rgba(255,60,120,.35)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 26px;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  font-size:16px;font-weight:600;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .plus{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  background:rgba(255,255,255,.06);
  display:grid;place-items:center;transition:transform var(--t-base),background var(--t-base);
}
.faq-item .plus::before,.faq-item .plus::after{
  content:"";position:absolute;width:12px;height:2px;background:#fff;border-radius:1px;
}
.faq-item .plus{position:relative}
.faq-item .plus::after{transform:rotate(90deg);transition:transform var(--t-base)}
.faq-item[open] .plus{background:var(--grad-hot)}
.faq-item[open] .plus::after{transform:rotate(0)}
.faq-item .answer{padding:0 26px 22px;color:var(--c-text-mute);line-height:1.75}

/* CTA */
.cta{
  position:relative;padding:var(--sp-6) 0;
  background:
    linear-gradient(120deg,rgba(255,60,120,.9) 0%,rgba(164,75,255,.9) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  background-blend-mode:multiply;
}
.cta-inner{text-align:center;color:#fff;max-width:780px;margin:0 auto}
.cta h2{font-size:var(--fz-3xl);margin-bottom:16px;color:#fff}
.cta p{font-size:var(--fz-lg);color:rgba(255,255,255,.9);margin-bottom:30px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3)}

/* Footer */
.site-footer{background:#080510;padding:var(--sp-5) 0 24px;border-top:1px solid var(--c-line)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:44px;margin-bottom:44px}
.footer-brand p{color:var(--c-text-mute);font-size:14px;line-height:1.75;margin-top:14px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.06em}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col li,.footer-col a{color:var(--c-text-dim);font-size:14px}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{
  border-top:1px solid var(--c-line);padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--c-text-dim);
}

/* Responsive */
@media (max-width:1024px){
  :root{--fz-3xl:36px;--fz-4xl:44px}
  .highlight-grid{grid-template-columns:repeat(2,1fr)}
  .picks{grid-template-columns:repeat(3,1fr)}
  .scene-wrap{grid-template-columns:1fr 1fr}
  .scene-card.tall{grid-row:auto;min-height:280px}
  .process-list{grid-template-columns:repeat(2,1fr);gap:36px 0}
  .process-list::before{display:none}
  .fit-wrap{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  :root{--fz-3xl:28px;--fz-4xl:34px;--fz-lg:16px;--sp-6:56px}
  .header-cta .btn-ghost{display:none}
  nav{position:absolute;top:72px;left:0;right:0;background:rgba(13,9,18,.98);border-bottom:1px solid var(--c-line);padding:14px 0;transform:translateY(-8px);opacity:0;pointer-events:none;transition:all var(--t-base)}
  nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-list{flex-direction:column;width:92%;margin:0 auto;gap:4px}
  .nav-list a{display:block;padding:12px 16px}
  .nav-toggle{display:inline-flex}
  .hero{padding:56px 0 40px}
  .hero-stats{grid-template-columns:repeat(2,1fr);padding:18px 6px}
  .hero-stats .stat:nth-child(2){border-right:0}
  .hero-stats .stat:nth-child(1),.hero-stats .stat:nth-child(2){border-bottom:1px solid var(--c-line);padding-bottom:16px;margin-bottom:12px}
  .highlight-grid{grid-template-columns:1fr}
  .picks{grid-template-columns:repeat(2,1fr)}
  .scene-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .hero h1{font-size:28px}
  .picks{grid-template-columns:1fr}
  .process-list{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
}

/* roulang page: category5 */
:root{
    --bg:#0d0710;
    --bg-soft:#160d1c;
    --bg-card:#1c1226;
    --surface:#241531;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.16);
    --text:#f5eef7;
    --text-dim:#b9a8c6;
    --text-mute:#8a7a95;
    --primary:#ff3d7f;
    --primary-2:#ff8ab4;
    --accent:#ffb547;
    --accent-2:#7c5cff;
    --gold:#f7d774;
    --radius-sm:10px;
    --radius:16px;
    --radius-lg:24px;
    --shadow-sm:0 4px 14px rgba(0,0,0,.35);
    --shadow:0 18px 45px rgba(0,0,0,.45);
    --shadow-glow:0 24px 60px rgba(255,61,127,.28);
    --grad-hot:linear-gradient(135deg,#ff3d7f 0%,#ff8ab4 45%,#ffb547 100%);
    --grad-purple:linear-gradient(135deg,#7c5cff 0%,#ff3d7f 100%);
    --space:20px;
  }
  *{box-sizing:border-box}
  html,body{margin:0;padding:0}
  body{
    font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color .2s ease}
  a:hover{color:var(--primary-2)}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
  ul{list-style:none;margin:0;padding:0}
  h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
  p{margin:0}
  .container{max-width:1240px;margin:0 auto;padding:0 24px}

  /* ============ Header / Nav ============ */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(13,7,16,.82);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:72px;gap:24px;
  }
  .brand{display:flex;align-items:center;gap:10px;font-weight:800}
  .brand-mark{
    width:38px;height:38px;border-radius:11px;
    background:var(--grad-hot);
    display:flex;align-items:center;justify-content:center;
    font-size:20px;color:#fff;
    box-shadow:0 6px 18px rgba(255,61,127,.45);
  }
  .brand-name{font-size:18px;letter-spacing:.5px}
  nav{flex:1;display:flex;justify-content:center}
  .nav-list{display:flex;gap:6px;flex-wrap:wrap}
  .nav-list a{
    display:inline-block;padding:9px 16px;border-radius:999px;
    font-size:14.5px;color:var(--text-dim);
    transition:all .25s ease;
  }
  .nav-list a:hover{color:#fff;background:rgba(255,255,255,.05)}
  .nav-list a.active{
    color:#fff;background:var(--grad-hot);
    box-shadow:0 6px 20px rgba(255,61,127,.4);
  }
  .header-cta{display:flex;align-items:center;gap:10px}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:11px 22px;border-radius:999px;font-weight:600;font-size:14.5px;
    transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
    cursor:pointer;white-space:nowrap;
  }
  .btn-primary{background:var(--grad-hot);color:#fff;box-shadow:0 10px 26px rgba(255,61,127,.4)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,61,127,.55);color:#fff}
  .btn-ghost{background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--line-strong)}
  .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
  .btn-lg{padding:14px 30px;font-size:15.5px}
  .menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.06);align-items:center;justify-content:center}
  .menu-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative}
  .menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
  .menu-toggle span::before{top:-6px}
  .menu-toggle span::after{top:6px}

  /* ============ Hero (顶部大图 + 数据条，非左文右框套路) ============ */
  .hero{
    position:relative;overflow:hidden;
    padding:96px 0 80px;
    background:
      radial-gradient(1200px 500px at 15% -10%,rgba(255,61,127,.35),transparent 60%),
      radial-gradient(900px 500px at 90% 20%,rgba(124,92,255,.28),transparent 60%),
      linear-gradient(180deg,#160c1e 0%,#0d0710 100%);
  }
  .hero::before{
    content:"";position:absolute;inset:0;
    background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    opacity:.22;mix-blend-mode:screen;
  }
  .hero-inner{position:relative;z-index:2;text-align:center;max-width:900px;margin:0 auto}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    padding:7px 16px;border-radius:999px;
    background:rgba(255,61,127,.14);
    border:1px solid rgba(255,61,127,.35);
    color:var(--primary-2);font-size:13px;font-weight:600;
    margin-bottom:22px;
  }
  .hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary)}
  .hero h1{
    font-size:clamp(32px,5vw,54px);
    background:linear-gradient(120deg,#fff 0%,#ffcadd 40%,#ffe1a8 100%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
    letter-spacing:1px;margin-bottom:20px;
  }
  .hero-sub{font-size:17px;color:var(--text-dim);max-width:720px;margin:0 auto 34px}
  .hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:44px}
  .hero-meta{
    display:grid;grid-template-columns:repeat(4,1fr);
    max-width:840px;margin:0 auto;
    background:rgba(255,255,255,.04);border:1px solid var(--line);
    border-radius:var(--radius-lg);padding:22px;
    backdrop-filter:blur(10px);
  }
  .hero-meta div{text-align:center;position:relative}
  .hero-meta div+div::before{content:"";position:absolute;left:0;top:20%;height:60%;width:1px;background:var(--line)}
  .hero-meta strong{display:block;font-size:26px;color:#fff;font-weight:800;letter-spacing:.5px}
  .hero-meta span{display:block;font-size:12.5px;color:var(--text-mute);margin-top:4px}

  /* ============ Section base ============ */
  section{padding:80px 0}
  .sec-head{text-align:center;max-width:720px;margin:0 auto 50px}
  .sec-kicker{
    display:inline-block;font-size:13px;letter-spacing:2px;
    color:var(--primary-2);text-transform:uppercase;font-weight:700;
    margin-bottom:12px;
  }
  .sec-head h2{
    font-size:clamp(26px,3.4vw,38px);
    color:#fff;margin-bottom:14px;
  }
  .sec-head p{color:var(--text-dim);font-size:15.5px}

  /* ============ Feature grid ============ */
  .features{background:linear-gradient(180deg,#0d0710 0%,#12091a 100%)}
  .feat-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  }
  .feat-card{
    padding:32px 26px;border-radius:var(--radius);
    background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
    border:1px solid var(--line);
    transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
    position:relative;overflow:hidden;
  }
  .feat-card:hover{transform:translateY(-6px);border-color:rgba(255,61,127,.4);box-shadow:var(--shadow-glow)}
  .feat-card .icon{
    width:52px;height:52px;border-radius:14px;
    background:var(--grad-hot);
    display:flex;align-items:center;justify-content:center;
    font-size:22px;color:#fff;margin-bottom:20px;
    box-shadow:0 10px 24px rgba(255,61,127,.35);
  }
  .feat-card h3{font-size:19px;color:#fff;margin-bottom:12px}
  .feat-card p{color:var(--text-dim);font-size:14.5px}

  /* ============ Gallery preview ============ */
  .gallery{background:#0b0510}
  .gal-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  }
  .gal-card{
    position:relative;border-radius:var(--radius);overflow:hidden;
    aspect-ratio:3/4;background:#20142b;
    cursor:pointer;transition:transform .35s ease;
  }
  .gal-card:hover{transform:translateY(-4px)}
  .gal-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
  .gal-card:hover img{transform:scale(1.06)}
  .gal-card::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.85) 100%);
  }
  .gal-body{
    position:absolute;left:0;right:0;bottom:0;z-index:2;
    padding:18px;color:#fff;
  }
  .gal-body .tag{
    display:inline-block;font-size:11.5px;padding:3px 10px;border-radius:999px;
    background:rgba(255,61,127,.9);margin-bottom:10px;font-weight:600;
  }
  .gal-body h4{font-size:15.5px;margin-bottom:6px}
  .gal-body span{font-size:12.5px;color:rgba(255,255,255,.75)}
  .gal-badge{
    position:absolute;top:12px;right:12px;z-index:2;
    background:rgba(0,0,0,.55);backdrop-filter:blur(8px);
    padding:5px 10px;border-radius:8px;font-size:11.5px;color:#fff;
    display:flex;align-items:center;gap:5px;
  }
  .gal-badge i{width:5px;height:5px;border-radius:50%;background:var(--gold)}

  /* ============ Scenarios band ============ */
  .scenarios{
    background:linear-gradient(180deg,#12091a 0%,#0d0710 100%);
    position:relative;
  }
  .scenarios::before{
    content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--line);
  }
  .scene-grid{
    display:grid;grid-template-columns:1.2fr .8fr;gap:36px;
  }
  .scene-left{
    background:url('/assets/images/coverpic/cover-4.webp') center/cover no-repeat;
    border-radius:var(--radius-lg);min-height:460px;position:relative;overflow:hidden;
  }
  .scene-left::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(160deg,rgba(255,61,127,.25),rgba(13,7,16,.85));
  }
  .scene-left .scene-note{
    position:absolute;left:26px;right:26px;bottom:26px;z-index:2;
    color:#fff;
  }
  .scene-left .scene-note strong{display:block;font-size:22px;margin-bottom:8px}
  .scene-left .scene-note span{color:rgba(255,255,255,.8);font-size:14px}
  .scene-list{display:flex;flex-direction:column;gap:14px}
  .scene-item{
    display:flex;gap:16px;padding:20px;
    background:rgba(255,255,255,.03);
    border:1px solid var(--line);border-radius:var(--radius);
    transition:all .25s ease;
  }
  .scene-item:hover{border-color:rgba(255,61,127,.35);background:rgba(255,61,127,.06)}
  .scene-num{
    flex:0 0 44px;width:44px;height:44px;border-radius:12px;
    background:var(--grad-purple);
    display:flex;align-items:center;justify-content:center;
    font-weight:800;color:#fff;font-size:16px;
  }
  .scene-item h4{color:#fff;font-size:16px;margin-bottom:6px}
  .scene-item p{color:var(--text-dim);font-size:14px}

  /* ============ Process timeline ============ */
  .process{background:#0b0510}
  .proc-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
    position:relative;
  }
  .proc-step{
    background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.01));
    border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 22px;position:relative;
    transition:transform .3s ease,border-color .3s;
  }
  .proc-step:hover{transform:translateY(-4px);border-color:rgba(124,92,255,.4)}
  .proc-step .num{
    font-size:44px;font-weight:800;line-height:1;
    background:var(--grad-hot);
    -webkit-background-clip:text;background-clip:text;color:transparent;
    margin-bottom:16px;
  }
  .proc-step h4{color:#fff;font-size:17px;margin-bottom:10px}
  .proc-step p{color:var(--text-dim);font-size:14px}

  /* ============ Style tags panel ============ */
  .styles{background:linear-gradient(180deg,#0d0710 0%,#160c1e 100%)}
  .style-wrap{
    display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
  }
  .style-copy h2{color:#fff;font-size:32px;margin-bottom:18px}
  .style-copy p{color:var(--text-dim);margin-bottom:24px;font-size:15.5px}
  .style-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
  .style-tags span{
    padding:8px 16px;border-radius:999px;font-size:13.5px;
    background:rgba(255,255,255,.05);border:1px solid var(--line-strong);
    color:var(--text-dim);transition:all .2s ease;cursor:default;
  }
  .style-tags span:hover{background:var(--grad-hot);color:#fff;border-color:transparent}
  .style-cover{
    position:relative;border-radius:var(--radius-lg);overflow:hidden;
    aspect-ratio:4/5;
  }
  .style-cover img{width:100%;height:100%;object-fit:cover}
  .style-cover::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,transparent 55%,rgba(13,7,16,.85));
  }
  .style-cover .cover-tip{
    position:absolute;left:20px;bottom:20px;z-index:2;color:#fff;
  }
  .style-cover .cover-tip strong{display:block;font-size:20px;margin-bottom:4px}
  .style-cover .cover-tip span{color:rgba(255,255,255,.75);font-size:13.5px}

  /* ============ FAQ ============ */
  .faq{background:#0b0510}
  .faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
  .faq-item{
    background:rgba(255,255,255,.03);border:1px solid var(--line);
    border-radius:var(--radius);overflow:hidden;transition:all .25s ease;
  }
  .faq-item:hover{border-color:rgba(255,61,127,.3)}
  .faq-q{
    width:100%;text-align:left;padding:22px 26px;
    display:flex;justify-content:space-between;align-items:center;gap:20px;
    font-size:16px;color:#fff;font-weight:600;
  }
  .faq-q em{
    flex:0 0 28px;width:28px;height:28px;border-radius:50%;
    background:rgba(255,61,127,.15);color:var(--primary-2);
    display:flex;align-items:center;justify-content:center;
    font-size:16px;font-style:normal;transition:transform .3s ease;
  }
  .faq-item.open .faq-q em{transform:rotate(45deg);background:var(--grad-hot);color:#fff}
  .faq-a{
    max-height:0;overflow:hidden;padding:0 26px;
    color:var(--text-dim);font-size:14.5px;line-height:1.75;
    transition:max-height .35s ease,padding .35s ease;
  }
  .faq-item.open .faq-a{max-height:260px;padding:0 26px 22px}

  /* ============ CTA ============ */
  .cta{
    position:relative;overflow:hidden;padding:90px 0;
    background:
      radial-gradient(700px 300px at 30% 50%,rgba(255,61,127,.28),transparent 70%),
      radial-gradient(600px 300px at 80% 50%,rgba(124,92,255,.28),transparent 70%),
      #0d0710;
  }
  .cta::before{
    content:"";position:absolute;inset:0;
    background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    opacity:.14;mix-blend-mode:screen;
  }
  .cta-inner{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto}
  .cta-inner h2{
    font-size:clamp(28px,4vw,42px);color:#fff;margin-bottom:18px;
  }
  .cta-inner p{color:var(--text-dim);font-size:16px;margin-bottom:32px}
  .cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

  /* ============ Footer ============ */
  .site-footer{
    background:#08040c;border-top:1px solid var(--line);
    padding:64px 0 28px;color:var(--text-dim);
  }
  .footer-grid{
    display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
    margin-bottom:44px;
  }
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.75;color:var(--text-mute)}
  .footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px}
  .footer-col ul li{margin-bottom:10px;font-size:14px}
  .footer-col a{color:var(--text-dim)}
  .footer-col a:hover{color:var(--primary-2)}
  .footer-bottom{
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
    padding-top:24px;border-top:1px solid var(--line);
    font-size:13px;color:var(--text-mute);
  }

  /* ============ Responsive ============ */
  @media (max-width:1024px){
    .feat-grid{grid-template-columns:repeat(2,1fr)}
    .gal-grid{grid-template-columns:repeat(3,1fr)}
    .proc-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  }
  @media (max-width:768px){
    .header-inner{height:64px}
    nav{position:fixed;top:64px;left:0;right:0;background:rgba(13,7,16,.98);border-bottom:1px solid var(--line);padding:16px 20px;display:none}
    nav.open{display:flex}
    .nav-list{flex-direction:column;gap:4px;width:100%}
    .nav-list a{display:block;padding:12px 16px}
    .menu-toggle{display:flex}
    .header-cta .btn:not(.menu-toggle){display:none}
    .hero{padding:70px 0 60px}
    .hero-meta{grid-template-columns:repeat(2,1fr);gap:18px 0}
    .hero-meta div+div::before{display:none}
    .hero-meta div:nth-child(2)::before,.hero-meta div:nth-child(4)::before{display:none}
    section{padding:60px 0}
    .scene-grid{grid-template-columns:1fr}
    .scene-left{min-height:280px}
    .style-wrap{grid-template-columns:1fr}
    .gal-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr;gap:28px}
  }
  @media (max-width:520px){
    .container{padding:0 18px}
    .feat-grid{grid-template-columns:1fr}
    .proc-grid{grid-template-columns:1fr}
    .hero h1{font-size:30px}
    .hero-actions{flex-direction:column}
    .hero-actions .btn{width:100%}
  }