/* roulang page: index */
:root{
  --bg-primary:#141210;
  --bg-secondary:#1A1815;
  --bg-card:#201D18;
  --bg-elevated:#2A2520;
  --gold-primary:#B08D57;
  --gold-bright:#E7C888;
  --gold-light:#F2D69B;
  --text-primary:#F0EAE1;
  --text-secondary:#CFC6B8;
  --text-muted:#9C9185;
  --border-subtle:rgba(183,141,87,0.22);
  --border-gold:rgba(183,141,87,0.45);
  --radius-card:8px;
  --radius-slide:12px;
  --radius-btn:4px;
  --radius-pill:40px;
  --shadow-card:0 8px 24px rgba(0,0,0,0.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,0.5);
  --transition-base:0.3s ease;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",sans-serif;
  --font-serif:"Noto Serif CJK SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;scroll-padding-top:110px;}
body{
  font-family:var(--font-sans);
  background:var(--bg-primary);
  color:var(--text-primary);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--gold-bright);text-decoration:none;transition:color var(--transition-base);}
a:hover{color:var(--gold-light);}
button{font-family:var(--font-sans);cursor:pointer;}
input,textarea{font-family:var(--font-sans);}
.container{max-width:1280px;margin:0 auto;padding:0 24px;}
.grid-container{max-width:1280px;margin:0 auto;padding:0 24px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 28px;
  font-size:15px;
  font-weight:500;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  transition:all var(--transition-base);
  line-height:1;
  letter-spacing:0.02em;
  cursor:pointer;
}
.btn-primary{
  background:var(--gold-primary);
  color:#201D18;
}
.btn-primary:hover{
  background:var(--gold-bright);
  color:#141210;
  box-shadow:0 6px 20px rgba(183,141,87,0.35);
  transform:translateY(-1px);
}
.btn-secondary{
  background:transparent;
  border:1px solid var(--gold-primary);
  color:var(--gold-bright);
}
.btn-secondary:hover{
  background:rgba(183,141,87,0.10);
  border-color:var(--gold-bright);
  color:var(--gold-light);
}
.btn-lg{height:52px;padding:0 32px;font-size:16px;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn:focus-visible{outline:2px solid var(--gold-light);outline-offset:2px;}

/* ---------- Top Info Bar ---------- */
.top-info-bar{
  height:36px;
  background:#0E0D0B;
  border-bottom:1px solid rgba(183,141,87,0.12);
  font-size:12px;
  color:var(--text-secondary);
}
.top-info-bar .container{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.top-brand{
  color:var(--text-primary);
  font-weight:500;
  letter-spacing:0.08em;
}
.top-right{
  display:flex;
  align-items:center;
  gap:16px;
}
.domain-tag{
  font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  color:var(--text-muted);
  border:1px solid rgba(183,141,87,0.2);
  border-radius:4px;
  padding:1px 8px;
  font-size:11px;
}
.enter-link{
  color:var(--text-secondary);
  position:relative;
  padding-bottom:2px;
  font-size:12px;
}
.enter-link::after{
  content:'';
  position:absolute;
  left:0;bottom:0;
  width:0;height:1px;
  background:var(--gold-bright);
  transition:width var(--transition-base);
}
.enter-link:hover::after{width:100%;}
.enter-link:hover{color:var(--gold-bright);}

/* ---------- Header & Nav ---------- */
.main-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(18,16,14,0.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(183,141,87,0.16);
  height:72px;
}
.main-header .container{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  display:flex;
  align-items:center;
  justify-content:center;
}
.logo-text{
  font-size:22px;
  font-weight:600;
  color:var(--text-primary);
  letter-spacing:0.06em;
  font-family:var(--font-serif);
}
.logo-text .logo-sub{
  color:var(--gold-bright);
  font-size:14px;
  letter-spacing:0.1em;
  margin-left:4px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:32px;
}
.nav-link{
  font-size:15px;
  color:var(--text-secondary);
  padding:8px 0;
  position:relative;
  transition:color var(--transition-base);
  white-space:nowrap;
}
.nav-link::after{
  content:'';
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--gold-bright);
  transition:width var(--transition-base);
}
.nav-link:hover{color:var(--gold-bright);}
.nav-link:hover::after{width:100%;}
.nav-link.active{
  color:var(--gold-bright);
}
.nav-link.active::after{
  width:100%;
}
.hamburger{
  display:none;
  width:40px;
  height:40px;
  background:transparent;
  border:1px solid rgba(183,141,87,0.3);
  border-radius:4px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  transition:border-color var(--transition-base);
}
.hamburger span{
  display:block;
  width:18px;
  height:2px;
  background:var(--gold-bright);
  border-radius:2px;
}
.hamburger:hover{border-color:var(--gold-bright);}
.mobile-drawer{
  position:fixed;
  top:0;right:0;
  width:300px;
  height:100vh;
  background:rgba(18,16,14,0.98);
  z-index:1200;
  padding:80px 32px 32px;
  transform:translateX(100%);
  transition:transform 0.35s ease;
  border-left:1px solid var(--border-subtle);
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-close{
  position:absolute;
  top:18px;
  right:18px;
  width:36px;
  height:36px;
  background:transparent;
  border:1px solid rgba(183,141,87,0.4);
  color:var(--gold-bright);
  font-size:22px;
  line-height:1;
  border-radius:4px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background var(--transition-base);
}
.drawer-close:hover{background:rgba(183,141,87,0.15);}
.drawer-item{
  display:block;
  font-size:16px;
  line-height:48px;
  color:var(--text-secondary);
  border-bottom:1px solid rgba(183,141,87,0.08);
  transition:color var(--transition-base),padding-left var(--transition-base);
}
.drawer-item:hover{
  color:var(--gold-bright);
  padding-left:8px;
}
.drawer-item.active{color:var(--gold-bright);}
.drawer-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.5);
  z-index:1190;
  opacity:0;
  visibility:hidden;
  transition:opacity 0.3s ease,visibility 0.3s ease;
}
.drawer-overlay.show{opacity:1;visibility:visible;}

/* ---------- Hero ---------- */
.hero-section{
  position:relative;
  height:88vh;
  min-height:560px;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  z-index:0;
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(75deg,rgba(20,18,16,0.96) 12%,rgba(20,18,16,0.78) 45%,rgba(20,18,16,0.28) 72%,rgba(20,18,16,0.5) 100%);
  z-index:1;
}
.hero-content{
  position:relative;
  z-index:2;
  max-width:720px;
  padding-top:20px;
  transition:opacity 0.6s ease,transform 0.6s ease;
}
.hero-content.fade-out{
  opacity:0;
  transform:translateY(30px);
}
.hero-title{
  font-family:var(--font-serif);
  font-size:52px;
  font-weight:700;
  line-height:1.28;
  color:var(--text-primary);
  letter-spacing:0.02em;
  margin-bottom:20px;
}
.hero-subtitle{
  font-size:17px;
  color:var(--text-secondary);
  line-height:1.8;
  margin-bottom:24px;
  max-width:560px;
}
.hero-badges{
  display:flex;
  gap:12px;
  margin-bottom:36px;
}
.mini-badge{
  display:inline-flex;
  align-items:center;
  padding:4px 14px;
  border-radius:var(--radius-pill);
  background:rgba(183,141,87,0.14);
  color:var(--gold-bright);
  font-size:13px;
  letter-spacing:0.04em;
}
.hero-info-points{
  display:flex;
  gap:28px;
  border-top:1px solid rgba(183,141,87,0.2);
  padding-top:24px;
}
.info-point{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--text-secondary);
  font-size:14px;
}
.info-point i{
  color:var(--gold-bright);
  font-size:15px;
}
.scroll-indicator{
  position:absolute;
  right:48px;
  bottom:32px;
  width:1px;
  height:56px;
  background:rgba(183,141,87,0.25);
  z-index:2;
}
.scroll-dot{
  position:absolute;
  top:0;
  left:-3px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--gold-bright);
  animation:scrollGlow 2s ease-in-out infinite;
}
@keyframes scrollGlow{
  0%{transform:translateY(0);opacity:1;}
  50%{transform:translateY(44px);opacity:0.3;}
  100%{transform:translateY(0);opacity:1;}
}
.geo-decoration{
  position:absolute;
  top:120px;
  right:60px;
  width:90px;
  height:90px;
  border:1px solid rgba(183,141,87,0.25);
  border-radius:14px;
  background:linear-gradient(135deg,transparent 45%,rgba(183,141,87,0.12) 45%,rgba(183,141,87,0.12) 55%,transparent 55%);
  transform:rotate(15deg);
  pointer-events:none;
  opacity:0.7;
  z-index:1;
}

/* ---------- Section Common ---------- */
.section{padding:100px 0;}
.section-alt{background:var(--bg-secondary);}
.section-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  margin-bottom:40px;
  gap:20px;
}
.section-title{
  font-size:28px;
  font-weight:600;
  color:var(--text-primary);
  position:relative;
  padding-left:18px;
  line-height:1.3;
}
.section-title::before{
  content:'';
  position:absolute;
  left:0;top:2px;
  width:4px;
  height:calc(100% - 4px);
  background:var(--gold-primary);
  border-radius:2px;
}
.section-sub{
  font-size:14px;
  color:var(--text-muted);
  max-width:480px;
  text-align:right;
}

/* ---------- B: Film Strip ---------- */
.film-strip-section{
  background:var(--bg-primary);
  overflow:hidden;
  padding:100px 0;
}
.film-strip{
  display:flex;
  gap:16px;
  overflow-x:auto;
  padding-bottom:16px;
  scrollbar-width:thin;
  scrollbar-color:var(--gold-primary) transparent;
}
.film-strip::-webkit-scrollbar{
  height:4px;
}
.film-strip::-webkit-scrollbar-track{
  background:rgba(183,141,87,0.08);
  border-radius:4px;
}
.film-strip::-webkit-scrollbar-thumb{
  background:var(--gold-primary);
  border-radius:4px;
}
.film-strip-card{
  flex:0 0 260px;
  border-radius:var(--radius-slide);
  overflow:hidden;
  background:var(--bg-card);
  border:1px solid rgba(255,255,255,0.03);
  transition:transform var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-base);
  position:relative;
  display:block;
}
.film-strip-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(183,141,87,0.35);
}
.film-strip-cover{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
}
.film-strip-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 0.45s ease;
}
.film-strip-card:hover .film-strip-cover img{
  transform:scale(1.05);
}
.stripe-badge{
  position:absolute;
  top:10px;
  left:10px;
  background:rgba(20,18,16,0.82);
  color:var(--gold-bright);
  font-size:12px;
  padding:3px 10px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(183,141,87,0.3);
  backdrop-filter:blur(6px);
}
.film-strip-card .strip-title{
  padding:14px 16px 16px;
  font-size:15px;
  font-weight:500;
  color:var(--text-primary);
  line-height:1.5;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

/* ---------- C: Hot Recommend ---------- */
.hot-section{
  background:var(--bg-secondary);
  padding:100px 0;
}
.hot-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.hot-card{
  background:var(--bg-card);
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid rgba(255,255,255,0.03);
  transition:transform var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-base);
  display:block;
}
.hot-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(183,141,87,0.4);
}
.hot-card-cover{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
}
.hot-card-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 0.45s ease;
}
.hot-card:hover .hot-card-cover img{
  transform:scale(1.05);
}
.hot-card-cover::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(20,18,16,0.5) 100%);
  opacity:0.4;
  transition:opacity var(--transition-base);
}
.hot-card:hover .hot-card-cover::after{
  opacity:0.7;
}
.rank-badge{
  position:absolute;
  top:10px;
  right:10px;
  background:rgba(20,18,16,0.85);
  color:var(--gold-bright);
  font-size:14px;
  font-weight:600;
  padding:3px 10px;
  border-radius:4px;
  border:1px solid rgba(183,141,87,0.3);
  z-index:1;
  font-family:ui-monospace,monospace;
}
.hot-card-info{
  padding:16px;
}
.hot-title{
  font-size:18px;
  font-weight:600;
  color:var(--text-primary);
  margin-bottom:6px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.hot-desc{
  font-size:14px;
  color:var(--text-muted);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

/* ---------- D: Tab Section ---------- */
.tab-section{
  background:var(--bg-primary);
  padding:100px 0;
}
.tab-controls{
  display:flex;
  gap:8px;
  margin-bottom:32px;
  border-bottom:1px solid rgba(183,141,87,0.15);
  padding-bottom:0;
}
.tab-btn{
  background:transparent;
  border:none;
  padding:10px 20px;
  font-size:15px;
  color:var(--text-muted);
  border-bottom:2px solid transparent;
  transition:color var(--transition-base),border-color var(--transition-base);
  margin-bottom:-1px;
}
.tab-btn:hover{
  color:var(--text-secondary);
}
.tab-btn.active{
  color:var(--gold-bright);
  border-bottom-color:var(--gold-bright);
}
.tab-panel{
  display:none;
}
.tab-panel.active{
  display:block;
  animation:fadeIn 0.3s ease;
}
@keyframes fadeIn{
  from{opacity:0;transform:translateY(8px);}
  to{opacity:1;transform:translateY(0);}
}
.tab-list-area{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px 40px;
}
.tab-list-item{
  display:flex;
  gap:16px;
  padding:14px;
  border-radius:var(--radius-card);
  border:1px solid transparent;
  transition:background var(--transition-base),border-color var(--transition-base);
  cursor:pointer;
}
.tab-list-item:hover{
  background:rgba(183,141,87,0.04);
  border-color:rgba(183,141,87,0.15);
}
.tab-thumb{
  flex:0 0 80px;
  width:80px;
  height:112px;
  border-radius:6px;
  overflow:hidden;
  background:var(--bg-elevated);
}
.tab-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.tab-content{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:6px;
  min-width:0;
}
.tab-content h4{
  font-size:16px;
  font-weight:600;
  color:var(--text-primary);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.tab-content p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.tag{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(183,141,87,0.14);
  color:var(--gold-bright);
  font-size:12px;
  padding:2px 10px;
  border-radius:var(--radius-pill);
  white-space:nowrap;
  width:fit-content;
  line-height:1.6;
}
.tab-list-item .tag{
  margin-top:2px;
}

/* ---------- E: CTA ---------- */
.cta-section{
  position:relative;
  padding:120px 0;
  overflow:hidden;
  background:var(--bg-secondary);
}
.cta-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:0.4;
}
.cta-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(20,18,16,0.95) 20%,rgba(20,18,16,0.75) 100%);
}
.cta-content{
  position:relative;
  z-index:2;
  text-align:center;
  max-width:680px;
  margin:0 auto;
}
.cta-title{
  font-family:var(--font-serif);
  font-size:30px;
  font-weight:600;
  color:var(--text-primary);
  margin-bottom:14px;
  line-height:1.4;
}
.cta-sub{
  font-size:16px;
  color:var(--text-secondary);
  margin-bottom:32px;
  line-height:1.7;
}
.cta-buttons{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}

/* ---------- F: News Section ---------- */
.news-section{
  background:var(--bg-secondary);
  padding:100px 0;
}
.news-layout{
  display:grid;
  grid-template-columns:2.2fr 1fr;
  gap:40px;
}
.news-list-wrap{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.news-list-item{
  display:flex;
  gap:16px;
  background:var(--bg-card);
  border-radius:var(--radius-card);
  padding:16px;
  border:1px solid rgba(255,255,255,0.03);
  transition:border-color var(--transition-base),box-shadow var(--transition-base);
  align-items:flex-start;
}
.news-list-item:hover{
  border-color:rgba(183,141,87,0.35);
  box-shadow:var(--shadow-card);
}
.news-thumb{
  flex:0 0 140px;
  width:140px;
  height:94px;
  border-radius:6px;
  overflow:hidden;
  background:var(--bg-elevated);
}
.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 0.4s ease;
}
.news-list-item:hover .news-thumb img{
  transform:scale(1.04);
}
.news-body{
  flex:1;
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.news-body h4{
  font-size:16px;
  font-weight:600;
  color:var(--text-primary);
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-body p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:4px;
}
.news-meta time{
  font-size:12px;
  color:var(--text-muted);
}
.express-sidebar{
  background:var(--bg-card);
  border-radius:var(--radius-card);
  padding:24px;
  border:1px solid rgba(255,255,255,0.03);
  height:fit-content;
}
.express-title{
  font-size:18px;
  font-weight:600;
  color:var(--text-primary);
  margin-bottom:20px;
  padding-bottom:12px;
  border-bottom:1px solid rgba(183,141,87,0.15);
}
.express-list{
  display:flex;
  flex-direction:column;
  gap:0;
}
.express-item{
  padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,0.03);
  font-size:14px;
  color:var(--text-secondary);
  display:flex;
  align-items:center;
  gap:10px;
  transition:padding-left var(--transition-base),color var(--transition-base);
}
.express-item:last-child{border-bottom:none;}
.express-item:hover{
  color:var(--gold-bright);
  padding-left:6px;
}
.express-dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--gold-primary);
  flex-shrink:0;
  opacity:0.7;
}

/* ---------- Empty State ---------- */
.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:12px;
  padding:48px 24px;
  background:var(--bg-card);
  border:1px dashed rgba(183,141,87,0.25);
  border-radius:var(--radius-card);
  color:var(--text-muted);
  width:100%;
  min-height:180px;
}
.empty-icon{
  width:64px;
  height:64px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(183,141,87,0.2);
  border-radius:50%;
  color:var(--gold-primary);
  font-size:24px;
}
.empty-state p{
  font-size:14px;
  color:var(--text-muted);
}

/* ---------- FAQ ---------- */
.faq-section{
  background:var(--bg-primary);
  padding:100px 0;
}
.faq-wrap{
  max-width:820px;
  margin:0 auto;
}
.faq-item{
  background:var(--bg-secondary);
  border-radius:var(--radius-card);
  border:1px solid rgba(255,255,255,0.03);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--transition-base);
}
.faq-item:hover{
  border-color:rgba(183,141,87,0.2);
}
.faq-question{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  cursor:pointer;
  transition:background var(--transition-base);
  color:var(--text-primary);
  font-size:16px;
  font-weight:500;
}
.faq-question .faq-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--text-muted);
  flex-shrink:0;
  transition:background var(--transition-base);
}
.faq-item:hover .faq-dot,
.faq-item.open .faq-dot{
  background:var(--gold-bright);
}
.faq-arrow{
  color:var(--text-muted);
  transition:transform var(--transition-base),color var(--transition-base);
  flex-shrink:0;
  font-size:14px;
}
.faq-item.open .faq-arrow{
  transform:rotate(180deg);
  color:var(--gold-bright);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height 0.35s ease,padding var(--transition-base);
}
.faq-item.open .faq-answer{
  max-height:300px;
  padding:0 22px 20px;
}
.faq-answer p{
  font-size:14px;
  line-height:1.7;
  color:var(--text-secondary);
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--bg-secondary);
  border-top:1px solid rgba(183,141,87,0.12);
}
.footer-main{
  padding:64px 0 40px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.4fr;
  gap:40px;
}
.footer-brand .footer-logo{
  font-size:20px;
  font-weight:600;
  color:var(--text-primary);
  font-family:var(--font-serif);
  letter-spacing:0.06em;
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.footer-brand p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
  max-width:340px;
}
.footer-title{
  font-size:16px;
  font-weight:600;
  color:var(--text-primary);
  margin-bottom:16px;
  letter-spacing:0.02em;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-links a{
  font-size:14px;
  color:var(--text-secondary);
  transition:color var(--transition-base),padding-left var(--transition-base);
}
.footer-links a:hover{
  color:var(--gold-bright);
  padding-left:4px;
}
.footer-contact p{
  font-size:14px;
  color:var(--text-secondary);
  margin-bottom:6px;
}
.footer-contact .contact-label{
  color:var(--text-muted);
  font-size:13px;
  margin-right:4px;
}
.subscribe-form{
  display:flex;
  gap:8px;
  margin-top:12px;
}
.subscribe-form input[type="email"]{
  flex:1;
  height:44px;
  background:var(--bg-elevated);
  border:1px solid #4A4036;
  border-radius:var(--radius-btn);
  padding:0 12px;
  font-size:14px;
  color:var(--text-primary);
  transition:border-color var(--transition-base),box-shadow var(--transition-base);
  min-width:0;
}
.subscribe-form input[type="email"]::placeholder{
  color:var(--text-muted);
}
.subscribe-form input[type="email"]:focus{
  outline:none;
  border-color:var(--gold-primary);
  box-shadow:0 0 0 2px rgba(183,141,87,0.15);
}
.subscribe-form .btn{
  flex-shrink:0;
}
.footer-bottom{
  border-top:1px solid rgba(183,141,87,0.08);
  padding:20px 0;
  background:var(--bg-elevated);
}
.footer-bottom .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:var(--text-muted);
}
.footer-bottom a{
  color:var(--text-muted);
}
.footer-bottom a:hover{
  color:var(--gold-bright);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hot-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .news-layout{grid-template-columns:1fr;gap:32px;}
  .express-sidebar{grid-column:1;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .film-strip-section,.hot-section,.tab-section,.news-section,.faq-section{padding:64px 0;}
  .cta-section{padding:80px 0;}
  .hero-section{min-height:520px;}
  .hero-title{font-size:32px;line-height:1.35;}
  .hero-subtitle{font-size:15px;}
  .hero-info-points{flex-wrap:wrap;gap:16px;}
  .scroll-indicator{display:none;}
  .geo-decoration{display:none;}
  .main-nav{display:none;}
  .hamburger{display:flex;}
  .tab-list-area{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand p{max-width:100%;}
  .news-list-item{flex-direction:row;}
  .news-thumb{flex:0 0 96px;width:96px;height:72px;}
  .container,.grid-container{padding:0 16px;}
  .section-head{flex-direction:column;gap:8px;margin-bottom:24px;}
  .section-sub{text-align:left;max-width:100%;}
}
@media (max-width:520px){
  .top-right .domain-tag{display:none;}
  .top-info-bar .container{padding:0 12px;}
  .brand-logo .logo-text{font-size:18px;}
  .hot-grid{grid-template-columns:1fr;}
  .cta-title{font-size:24px;}
  .cta-buttons{flex-direction:column;align-items:center;}
  .footer-bottom .container{flex-direction:column;text-align:center;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .news-thumb{flex:0 0 84px;width:84px;height:64px;}
  .news-list-item{padding:12px;}
}

/* roulang page: article */
:root {
  --primary: #B08D57;
  --primary-light: #C9A36B;
  --accent: #E7C888;
  --accent-light: #F2D69B;
  --bg-dark: #141210;
  --bg-card: #201D18;
  --bg-alt: #1A1815;
  --bg-light: #2A2520;
  --text-main: #F0EAE1;
  --text-secondary: #CFC6B8;
  --text-muted: #9C9185;
  --border: #4A4036;
  --border-gold: rgba(183,141,87,0.35);
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 8px 24px rgba(0,0,0,0.35);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.5);
  --transition: 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
button { font-family: inherit; }
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 顶部信息条 */
.topbar {
  background: #1A1714;
  height: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  position: relative;
  z-index: 1001;
}
.topbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.topbar-brand { font-size: 12px; color: var(--text-secondary); font-weight: 500; letter-spacing: 1px; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-tag {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  background: rgba(255,255,255,0.04);
  padding: 2px 10px;
  border-radius: 40px;
  border: 1px solid rgba(255,255,255,0.08);
}
.topbar-entry { font-size: 12px; color: var(--accent); text-decoration: none; position: relative; padding-bottom: 2px; }
.topbar-entry::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}
.topbar-entry:hover::after { width: 100%; }

/* 主导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(18,16,14,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-gold);
  height: 72px;
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: 1px;
  flex-shrink: 0;
}
.brand-logo svg { flex-shrink: 0; }
.brand-logo span { white-space: nowrap; }
.main-nav { display: flex; align-items: center; gap: 32px; }
.nav-link {
  font-size: 15px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
  transition: color var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-link:hover { color: var(--accent); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--accent); }
.nav-link.active::after { width: 100%; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text-main); transition: all var(--transition); }

/* 抽屉 */
.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--bg-alt);
  z-index: 2000;
  transition: right var(--transition);
  padding: 60px 32px 32px;
  box-shadow: -12px 0 40px rgba(0,0,0,0.5);
}
.drawer.open { right: 0; }
.drawer-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: 1px solid var(--primary);
  color: var(--accent);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  transition: all var(--transition);
}
.drawer-close:hover { background: rgba(183,141,87,0.15); }
.drawer-link {
  display: block;
  font-size: 16px;
  line-height: 48px;
  color: var(--text-main);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color var(--transition);
}
.drawer-link:hover { color: var(--accent); }
.drawer-link.active { color: var(--accent); font-weight: 600; }

/* 文章头部 */
.article-hero {
  background: linear-gradient(90deg, rgba(16,14,12,0.96) 0%, rgba(16,14,12,0.82) 55%, rgba(16,14,12,0.55) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding: 56px 0 44px;
  border-bottom: 1px solid var(--border-gold);
  position: relative;
}
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--primary); margin: 0 4px; }
.breadcrumb .current { color: var(--accent); max-width: 320px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.article-title {
  font-size: 34px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-main);
  margin: 0 0 18px;
  max-width: 860px;
  letter-spacing: 0.02em;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
  color: var(--text-muted);
}
.meta-item { display: inline-flex; align-items: center; gap: 6px; }
.meta-item i { color: var(--primary); font-size: 13px; }
.meta-item .cat-badge {
  background: rgba(183,141,87,0.14);
  color: var(--accent);
  border-radius: 40px;
  padding: 2px 12px;
  font-size: 12px;
  font-weight: 500;
}

/* 正文区 */
.article-body {
  padding: 56px 0 64px;
  background: var(--bg-dark);
  position: relative;
}
.article-content {
  max-width: 760px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.75;
  color: #D8D2C8;
  word-break: break-word;
}
.article-content h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-main);
  margin: 40px 0 16px;
  padding-top: 8px;
  position: relative;
}
.article-content h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 22px;
  background: var(--primary);
  border-radius: 2px;
  margin-right: 10px;
  vertical-align: -3px;
}
.article-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin: 28px 0 12px;
}
.article-content p { margin: 0 0 20px; }
.article-content blockquote {
  border-left: 3px solid var(--primary);
  background: rgba(183,141,87,0.08);
  padding: 18px 24px;
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  color: var(--text-secondary);
}
.article-content blockquote p { margin-bottom: 0; }
.article-content a { color: var(--accent); border-bottom: 1px solid rgba(231,200,136,0.3); transition: color var(--transition), border-color var(--transition); }
.article-content a:hover { color: var(--accent-light); border-color: var(--accent-light); }
.article-content img {
  border-radius: 8px;
  width: 100%;
  height: auto;
  margin: 28px 0;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
}
.article-content ul,
.article-content ol { padding-left: 24px; margin: 0 0 20px; }
.article-content li { margin-bottom: 8px; line-height: 1.7; }
.article-content code {
  background: var(--bg-card);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--accent);
}
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.article-content table th,
.article-content table td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-content table th { background: var(--bg-alt); color: var(--text-main); font-weight: 600; }

/* 空态 */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}
.empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border: 1px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
  background: rgba(183,141,87,0.06);
}
.empty-state p { color: var(--text-muted); font-size: 16px; margin-bottom: 20px; }

/* 返回条 */
.article-pager {
  padding: 0 0 48px;
  text-align: center;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition);
}
.back-link:hover { color: var(--accent); }
.back-link i { font-size: 13px; }

/* 相关推荐 */
.related-section {
  padding: 64px 0 72px;
  border-top: 1px solid rgba(255,255,255,0.04);
  background: var(--bg-alt);
}
.section-title {
  font-size: 26px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 32px;
  position: relative;
  padding-left: 18px;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 4px;
  height: 26px;
  background: var(--primary);
  border-radius: 2px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: block;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--border-gold);
}
.related-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform var(--transition);
}
.related-card:hover img { transform: scale(1.04); }
.related-card-img { overflow: hidden; }
.related-body { padding: 16px 18px 18px; }
.related-body h3 { font-size: 15px; color: var(--text-main); margin: 0 0 8px; line-height: 1.4; font-weight: 600; }
.related-body span { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }

/* 底部 CTA */
.article-cta {
  padding: 64px 0;
  background: linear-gradient(rgba(16,14,12,0.92), rgba(16,14,12,0.92)), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-top: 1px solid var(--border-gold);
}
.article-cta .container { text-align: center; }
.article-cta h2 { font-size: 28px; font-weight: 600; color: var(--text-main); margin-bottom: 12px; }
.article-cta p { color: var(--text-secondary); font-size: 16px; margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 4px;
  font-weight: 500;
  font-size: 15px;
  padding: 14px 28px;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  line-height: 1.4;
  font-family: inherit;
}
.btn:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: #1A1714; }
.btn-primary:hover { background: var(--primary-light); color: #1A1714; box-shadow: 0 6px 20px rgba(183,141,87,0.35); transform: translateY(-1px); }
.btn-secondary { background: transparent; border: 1px solid var(--primary); color: var(--accent); }
.btn-secondary:hover { background: rgba(183,141,87,0.1); color: var(--accent-light); }
.btn-sm { padding: 10px 20px; font-size: 13px; height: 40px; }

/* 页脚 */
.site-footer { background: var(--bg-light); border-top: 1px solid var(--border-gold); }
.footer-main { padding: 56px 0 40px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
}
.footer-logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: var(--text-main); margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.7; color: var(--text-muted); max-width: 320px; }
.footer-title { font-size: 15px; color: var(--text-main); margin-bottom: 16px; font-weight: 600; position: relative; padding-left: 12px; }
.footer-title::before { content: ''; position: absolute; left: 0; top: 5px; width: 3px; height: 14px; background: var(--primary); border-radius: 2px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--text-secondary); font-size: 14px; text-decoration: none; transition: color var(--transition), padding-left var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact p { font-size: 14px; color: var(--text-muted); margin-bottom: 10px; }
.footer-contact .contact-label { color: var(--text-secondary); margin-right: 8px; font-weight: 500; }
.subscribe-form { display: flex; gap: 8px; }
.subscribe-form input {
  flex: 1;
  height: 44px;
  padding: 0 12px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg-light);
  color: var(--text-main);
  font-size: 14px;
  font-family: inherit;
  min-width: 0;
}
.subscribe-form input::placeholder { color: var(--text-muted); font-style: normal; }
.subscribe-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(183,141,87,0.2);
}
.subscribe-form .btn { flex-shrink: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.footer-bottom span { font-size: 13px; color: var(--text-muted); }
.footer-bottom a { color: var(--text-secondary); text-decoration: none; transition: color var(--transition); }
.footer-bottom a:hover { color: var(--accent); }

/* 响应式 */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .main-nav { gap: 24px; }
  .article-title { font-size: 30px; }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .article-hero { padding: 44px 0 36px; }
  .article-title { font-size: 26px; }
  .article-meta { gap: 14px; font-size: 13px; }
  .article-body { padding: 40px 0 48px; }
  .article-content { padding: 0 16px; }
  .related-grid { grid-template-columns: 1fr; }
  .article-cta { padding: 48px 0; }
  .article-cta h2 { font-size: 24px; }
  .cta-actions .btn { width: 100%; max-width: 320px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-main { padding: 40px 0 24px; }
  .subscribe-form { flex-direction: column; }
  .subscribe-form .btn { width: 100%; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .topbar-right { display: none; }
  .topbar .container { justify-content: center; }
  .brand-logo { font-size: 20px; }
  .article-title { font-size: 22px; }
  .breadcrumb .current { max-width: 180px; }
  .container { padding: 0 16px; }
}

/* roulang page: category1 */
:root {
  --bg-primary: #141210;
  --bg-secondary: #1A1815;
  --bg-card: #201D18;
  --bg-chip: #2A2520;
  --accent: #B08D57;
  --accent-bright: #E7C888;
  --accent-hover: #C9A36B;
  --accent-glow: #F2D69B;
  --text-primary: #F0EAE1;
  --text-secondary: #CFC6B8;
  --text-muted: #9C9185;
  --border-soft: rgba(183,141,87,0.18);
  --border-gold: rgba(183,141,87,0.35);
  --shadow-card: 0 8px 24px rgba(0,0,0,0.35);
  --shadow-hover: 0 16px 40px rgba(0,0,0,0.5);
  --radius-card: 16px;
  --radius-btn: 4px;
  --radius-tag: 40px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
  --font-serif: "Noto Serif CJK SC", "Songti SC", serif;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--accent-glow);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Topbar ===== */
.topbar {
  height: 36px;
  background: #1D1A17;
  border-bottom: 1px solid rgba(183,141,87,0.12);
  font-size: 12px;
  display: flex;
  align-items: center;
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-brand {
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  font-size: 12px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-domain {
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  color: var(--text-muted);
  border: 1px solid rgba(183,141,87,0.25);
  padding: 2px 10px;
  border-radius: var(--radius-tag);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.topbar-entry {
  color: var(--text-secondary);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--transition);
  font-size: 12px;
}

.topbar-entry:hover {
  color: var(--accent-bright);
}

.topbar-entry::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent-bright);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.topbar-entry:hover::after {
  transform: scaleX(1);
}

/* ===== Main Header / Nav ===== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(18,16,14,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(183,141,87,0.18);
}

.nav-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  line-height: 1;
}

.brand svg {
  flex-shrink: 0;
}

.brand:hover {
  color: var(--text-primary);
}

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

.nav-link {
  font-size: 15px;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  letter-spacing: 0.04em;
  transition: color var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 2px;
  width: 100%;
  background: var(--accent-bright);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-link:hover {
  color: var(--accent-bright);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--accent-bright);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 22px;
  cursor: pointer;
  padding: 8px;
  line-height: 1;
}

.nav-toggle:focus {
  outline: 2px solid var(--accent-bright);
  outline-offset: 2px;
}

/* ===== Mobile Drawer ===== */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.drawer-overlay.show {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100vh;
  background: #1D1A17;
  z-index: 200;
  padding: 80px 24px 24px;
  transition: right 0.35s ease;
  box-shadow: var(--shadow-hover);
  overflow-y: auto;
}

.mobile-drawer.open {
  right: 0;
}

.drawer-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: 1px solid var(--accent);
  color: var(--accent-bright);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-btn);
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}

.drawer-close:hover {
  background: rgba(183,141,87,0.1);
  color: var(--accent-glow);
}

.drawer-link {
  display: block;
  font-size: 16px;
  line-height: 48px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(183,141,87,0.1);
  transition: color var(--transition), padding-left var(--transition);
}

.drawer-link:hover {
  color: var(--accent-bright);
  padding-left: 6px;
}

.drawer-link.active {
  color: var(--accent-bright);
  font-weight: 500;
}

/* ===== Section ===== */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-head {
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: 28px;
  font-weight: 600;
  position: relative;
  padding-left: 18px;
  line-height: 1.3;
  color: var(--text-primary);
}

.section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 4px;
  height: calc(100% - 8px);
  background: var(--accent);
  border-radius: 2px;
}

.section-head p {
  color: var(--text-muted);
  margin-top: 10px;
  font-size: 15px;
  max-width: 620px;
}

/* ===== Category Hero ===== */
.category-hero {
  min-height: 260px;
  background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  position: relative;
  display: flex;
  align-items: center;
  padding: 48px 0;
}

.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(20,18,16,0.94) 0%, rgba(20,18,16,0.78) 55%, rgba(20,18,16,0.5) 100%);
}

.category-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb a {
  color: var(--text-secondary);
}

.breadcrumb a:hover {
  color: var(--accent-bright);
}

.breadcrumb span {
  color: var(--accent-bright);
}

.category-hero h1 {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
  line-height: 1.25;
}

.category-hero .lead {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.7;
}

/* ===== Category Catalog Grid ===== */
.cat-grid-wrap {
  border-left: 3px solid rgba(183,141,87,0.35);
  padding-left: 28px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.category-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(183,141,87,0.1);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}

.category-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  background: linear-gradient(to bottom, var(--accent-bright), rgba(183,141,87,0.15));
  border-radius: 2px;
  z-index: 2;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-gold);
}

.card-thumb {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--bg-chip);
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.category-card:hover .card-thumb img {
  transform: scale(1.05);
}

.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
  line-height: 1.4;
}

.card-body > p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  background: rgba(183,141,87,0.14);
  color: var(--accent-bright);
  font-size: 12px;
  padding: 2px 10px;
  border-radius: var(--radius-tag);
  display: inline-block;
}

.date {
  font-size: 12px;
  color: var(--text-muted);
}

.card-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  color: var(--accent-bright);
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
  width: fit-content;
}

.card-link:hover {
  color: var(--accent-glow);
  border-color: var(--accent-glow);
}

/* ===== System Grid ===== */
.system-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.system-image {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
}

.system-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.system-content h2 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-left: 18px;
  position: relative;
  color: var(--text-primary);
  line-height: 1.3;
}

.system-content h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: calc(100% - 12px);
  background: var(--accent);
  border-radius: 2px;
}

.system-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  font-size: 15px;
}

.system-content ul {
  margin-bottom: 28px;
}

.system-content li {
  padding: 10px 0;
  padding-left: 28px;
  position: relative;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(183,141,87,0.08);
  font-size: 15px;
  line-height: 1.6;
}

.system-content li::before {
  content: "◆";
  position: absolute;
  left: 4px;
  color: var(--accent);
  font-size: 12px;
  top: 15px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-btn);
  cursor: pointer;
  border: none;
  transition: background var(--transition), box-shadow var(--transition), color var(--transition), border-color var(--transition);
  line-height: 1;
}

.btn:focus,
.btn:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent);
  color: #141210;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #141210;
  box-shadow: 0 6px 20px rgba(183,141,87,0.35);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent-bright);
}

.btn-secondary:hover {
  background: rgba(183,141,87,0.1);
  color: var(--accent-glow);
  border-color: var(--accent-bright);
}

.btn-lg {
  height: 52px;
  padding: 0 32px;
  font-size: 16px;
}

.btn-sm {
  height: 40px;
  padding: 0 16px;
  font-size: 14px;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid rgba(183,141,87,0.08);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color var(--transition), background var(--transition);
}

.faq-item.active {
  border-color: var(--border-gold);
  background: var(--bg-card);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 500;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  text-align: left;
  line-height: 1.5;
  transition: color var(--transition);
}

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

.faq-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
  transition: background var(--transition);
}

.faq-item.active .faq-dot {
  background: var(--accent-bright);
}

.faq-question i {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 14px;
  transition: transform 0.3s ease, color var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
  color: var(--accent-bright);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer p {
  padding: 0 24px 20px 44px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, rgba(20,18,16,0.95) 0%, rgba(26,24,21,0.88) 100%), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-radius: 20px;
  padding: 72px 48px;
  text-align: center;
  border: 1px solid var(--border-soft);
  position: relative;
  overflow: hidden;
}

.cta-banner h2 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
  line-height: 1.3;
}

.cta-banner p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 15px;
}

/* ===== Back Home Strip ===== */
.back-home-strip {
  background: #1D1A17;
  border-top: 1px solid rgba(183,141,87,0.12);
  padding: 24px 0;
}

.back-home-strip .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.back-home-strip span {
  color: var(--text-secondary);
  font-size: 15px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-soft);
}

.footer-main {
  padding: 64px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
  line-height: 1;
}

.footer-logo svg {
  flex-shrink: 0;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 280px;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  width: fit-content;
}

.footer-links a:hover {
  color: var(--accent-bright);
}

.footer-contact p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.contact-label {
  color: var(--text-muted);
  margin-right: 6px;
}

.subscribe-form {
  display: flex;
  gap: 8px;
}

.subscribe-form input {
  flex: 1;
  height: 44px;
  background: var(--bg-chip);
  border: 1px solid #4A4036;
  border-radius: var(--radius-btn);
  padding: 0 12px;
  color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  font-size: 14px;
  min-width: 0;
}

.subscribe-form input::placeholder {
  color: var(--text-muted);
}

.subscribe-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(183,141,87,0.2);
}

.footer-bottom {
  background: #1D1A17;
  border-top: 1px solid rgba(183,141,87,0.1);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom span {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-secondary);
  font-size: 13px;
}

.footer-bottom a:hover {
  color: var(--accent-bright);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .system-grid {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

  .main-nav {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .system-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .category-hero h1 {
    font-size: 32px;
  }

  .cat-grid-wrap {
    padding-left: 16px;
  }

  .cta-banner {
    padding: 48px 24px;
  }

  .cta-banner h2 {
    font-size: 24px;
  }

  .section-head h2 {
    font-size: 24px;
  }
}

@media (max-width: 640px) {
  .category-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .subscribe-form {
    flex-direction: column;
  }

  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }

  .container {
    padding: 0 16px;
  }
}

@media (max-width: 480px) {
  .topbar-domain {
    display: none;
  }

  .topbar-entry {
    display: none;
  }

  .topbar .container {
    justify-content: center;
  }

  .back-home-strip .container {
    flex-direction: column;
    text-align: center;
  }
}