/* roulang page: index */
:root{
  --bg-page:#F7F5F1;
  --bg-surface:#FFFFFF;
  --bg-soft:#EEECE5;
  --bg-deep:#172824;
  --c-primary:#1E3732;
  --c-primary-strong:#152b27;
  --c-accent:#C89360;
  --c-accent-soft:#D6A778;
  --c-text:#272B29;
  --c-muted:#707A75;
  --c-border:#E2DED4;
  --c-line-dark:#C9C2B6;
  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:16px;
  --shadow-card:0 1px 2px rgba(23,29,27,.04),0 8px 20px rgba(23,29,27,.06);
  --shadow-hover:0 14px 24px rgba(23,29,27,.1),0 4px 10px rgba(23,29,27,.06);
  --shadow-cta:0 10px 22px rgba(23,29,27,.2);
  --ease:cubic-bezier(.2,.75,.3,1);
  --font-head:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,"Times New Roman",serif;
  --font-body:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --sidebar-w:17.5rem;
  --space-section:clamp(4rem,8vw,6.5rem);
  --page-pad:clamp(1.25rem,4vw,3rem);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-height:100vh;
  background:var(--bg-page);
  color:var(--c-text);
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.menu-open{overflow:hidden}
img{max-width:100%;height:auto}
button{font-family:inherit;cursor:pointer}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(30,55,50,.35);
  outline-offset:2px;
}
.container-oy{
  width:100%;
  max-width:1280px;
  margin-inline:auto;
  padding-inline:var(--page-pad);
}
.page-section{
  padding-block:var(--space-section);
}
.eyebrow{
  display:inline-block;
  padding:.22rem .9rem;
  margin-bottom:1rem;
  background:rgba(200,147,96,.16);
  color:#8a5a2b;
  font-size:.82rem;
  font-weight:600;
  letter-spacing:.16em;
  border-radius:999px;
}
.section-title{
  font-family:var(--font-head);
  font-size:clamp(1.7rem,3.2vw,2.35rem);
  line-height:1.24;
  color:var(--c-primary);
  letter-spacing:.02em;
  margin:.25rem 0 .85rem;
}
.section-alt{
  color:rgba(244,242,236,.92);
}
.section-lead{
  color:var(--c-muted);
  font-size:1.05rem;
  margin-bottom:0;
  max-width:48em;
}
.text-primary-deep{
  color:var(--c-primary)!important;
}

/* Buttons */
.btn{
  --bs-btn-padding-y:.75rem;
  --bs-btn-padding-x:1.4rem;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55rem;
  font-size:.92rem;
  font-weight:600;
  line-height:1.3;
  border-radius:var(--radius-md);
  border:1px solid transparent;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background-color .3s,color .3s,border-color .3s;
  will-change:transform;
}
.btn:active{transform:translateY(0)!important}
.btn-copper{
  background:var(--c-accent);
  border-color:var(--c-accent);
  color:#211a13;
}
.btn-copper:hover{
  background:var(--c-accent-soft);
  border-color:var(--c-accent-soft);
  color:#1c1710;
  transform:translateY(-2px);
  box-shadow:0 10px 20px rgba(157,102,57,.24);
}
.btn-dark-oy{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#f5f1eb;
}
.btn-dark-oy:hover{
  background:var(--c-primary-strong);
  border-color:var(--c-primary-strong);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 20px rgba(23,40,36,.18);
}
.btn-ghost-light{
  background:transparent;
  border-color:rgba(244,242,236,.42);
  color:#f4f2ec;
}
.btn-ghost-light:hover{
  background:rgba(244,242,236,.12);
  border-color:rgba(244,242,236,.7);
  color:#fff;
  transform:translateY(-2px);
}
.btn-ghost-line{
  background:transparent;
  border-color:var(--c-primary);
  color:var(--c-primary);
}
.btn-ghost-line:hover{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
  transform:translateY(-2px);
}

/* Side bar */
.app-sidebar{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  width:var(--sidebar-w);
  background:var(--bg-surface);
  border-right:1px solid var(--c-border);
  z-index:1045;
  display:flex;
  flex-direction:column;
}
.sidebar-inner{
  display:flex;
  flex-direction:column;
  padding:2rem 1.25rem;
  height:100%;
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:#dbd5c8 transparent;
}
.brand-block{
  padding:.25rem .35rem 2rem;
  border-bottom:1px solid var(--c-border);
  margin-bottom:1.6rem;
}
.brand-text{
  display:inline-block;
  font-family:var(--font-head);
  font-size:1.42rem;
  font-weight:700;
  color:var(--c-primary);
  line-height:1.3;
  letter-spacing:.02em;
}
.brand-domain{
  display:block;
  font-size:.72rem;
  color:var(--c-muted);
  letter-spacing:.1em;
  margin-top:.3rem;
  font-style:normal;
}
.side-desc{
  margin:.5rem .35rem 1.1rem;
  font-size:.78rem;
  color:var(--c-muted);
  line-height:1.6;
}
.side-nav{
  display:flex;
  flex-direction:column;
  gap:.22rem;
}
.nav-section-title{
  font-size:.72rem;
  text-transform:uppercase;
  letter-spacing:.14em;
  color:#9a9387;
  padding:.6rem .8rem .35rem;
  font-weight:600;
  border-top:1px solid var(--c-border);
  margin-top:.6rem;
}
.nav-item{
  min-height:44px;
  padding:.66rem .85rem;
  display:flex;
  align-items:center;
  gap:.6rem;
  color:#4e554f;
  border-radius:var(--radius-md);
  border-left:3px solid transparent;
  font-size:.93rem;
  font-weight:500;
  position:relative;
  transition:background-color .25s ease,color .25s ease,border-color .25s ease;
}
.nav-item i{
  width:1rem;
  text-align:center;
  opacity:.8;
}
.nav-item:hover{
  background:#f4f1eb;
  color:var(--c-primary);
}
.nav-item.active{
  background:#f1eee7;
  border-left-color:var(--c-primary);
  color:var(--c-primary);
  font-weight:700;
}
.nav-item .nav-slug-spacer{
  display:none;
}
.side-help{
  margin-top:auto;
  background:#f6f3ed;
  border:1px solid var(--c-border);
  border-radius:var(--radius-md);
  padding:1rem;
  margin-top:2.2rem;
}
.side-help-title{
  font-size:.9rem;
  font-weight:700;
  color:var(--c-primary);
  margin-bottom:.5rem;
}
.side-help-text{
  font-size:.8rem;
  line-height:1.7;
  color:var(--c-muted);
  margin-bottom:.7rem;
}
.side-help-link{
  font-size:.82rem;
  font-weight:700;
  color:#8a5a2b;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-color:rgba(138,90,43,.3);
}
.side-help-link:hover{
  color:var(--c-accent);
}
.side-meta{
  margin-top:1.25rem;
  font-size:.7rem;
  color:#8e928b;
  text-align:center;
}

/* Mobile header */
.mobile-header{
  display:none;
  position:sticky;
  top:0;
  z-index:1040;
  height:60px;
  padding:.35rem 1.1rem;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--c-border);
  align-items:center;
  justify-content:space-between;
  backdrop-filter:blur(10px);
}
.mobile-brand{
  font-family:var(--font-head);
  font-weight:700;
  color:var(--c-primary);
  font-size:1.05rem;
  line-height:1.2;
  display:flex;
  flex-direction:column;
}
.mobile-brand small{
  font-family:var(--font-body);
  font-weight:400;
  font-size:.64rem;
  color:var(--c-muted);
  letter-spacing:.06em;
}
.mobile-burger{
  width:44px;
  height:44px;
  border:0;
  background:transparent;
  border-radius:var(--radius-sm);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.mobile-burger span{
  display:block;
  width:23px;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
  transition:transform .3s var(--ease),opacity .2s;
}
body.menu-open .mobile-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .mobile-burger span:nth-child(2){opacity:0}
body.menu-open .mobile-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(21rem,86vw);
  background:#fff;
  z-index:1055;
  transform:translateX(102%);
  transition:transform .35s var(--ease);
  display:flex;
  flex-direction:column;
  padding:1.5rem 1rem;
  overflow-y:auto;
  box-shadow:-12px 0 30px rgba(23,29,27,.1);
}
body.menu-open .mobile-drawer{
  transform:translateX(0);
}
.mobile-drawer .drawer-close{
  position:absolute;
  top:.7rem;
  right:1rem;
  width:42px;
  height:42px;
  border:0;
  background:#f5f2ec;
  border-radius:50%;
  color:var(--c-primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.1rem;
}
.mobile-drawer .brand-block{
  border-bottom:0;
  padding-bottom:1.2rem;
}
.drawer-nav .nav-item{
  width:100%;
  color:#444;
}
.menu-backdrop{
  position:fixed;
  inset:0;
  background:rgba(18,24,22,.44);
  z-index:1048;
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease;
}
body.menu-open .menu-backdrop{
  opacity:1;
  pointer-events:auto;
}

/* App main */
.app-main{
  margin-left:var(--sidebar-w);
  min-width:0;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:var(--bg-page);
}
.app-main > main{
  flex:1;
}

/* Top campaign ticker */
.ticker-ribbon{
  background:var(--bg-deep);
  color:rgba(255,255,255,.92);
}
.ticker-ribbon .container-oy{
  min-height:58px;
  display:flex;
  align-items:center;
  gap:1rem 1.2rem;
  flex-wrap:wrap;
  padding-top:.5rem;
  padding-bottom:.5rem;
}
.ticker-badge{
  background:var(--c-accent);
  color:#221710;
  font-size:.74rem;
  font-weight:800;
  padding:.25rem .8rem;
  border-radius:999px;
  letter-spacing:.12em;
  white-space:nowrap;
}
.ticker-text{
  margin:0;
  font-size:.85rem;
  line-height:1.5;
  flex:1 1 auto;
  min-width:14rem;
}
.cd-box{
  display:flex;
  align-items:center;
  gap:.35rem;
  font-size:.78rem;
  letter-spacing:.03em;
}
.cd-box .cd-sep{
  color:rgba(255,255,255,.45);
}
.cd-item{
  display:flex;
  align-items:center;
  gap:.35rem;
  background:rgba(255,255,255,.96);
  color:var(--bg-deep);
  border-radius:var(--radius-sm);
  padding:.1rem .5rem;
  line-height:1.7;
}
.cd-item strong{
  font-variant-numeric:tabular-nums;
  min-width:2ch;
  font-size:.95rem;
  font-weight:800;
}
.cd-item span{
  font-size:.64rem;
  color:#59625e;
}
.cd-end{
  color:#f4f2ec;
  font-weight:700;
}
.ticker-link{
  color:var(--c-accent-soft);
  font-size:.82rem;
  font-weight:700;
  border-bottom:1px solid rgba(200,147,96,.35);
  padding-bottom:.15rem;
  white-space:nowrap;
}
.ticker-link:hover{color:#e5b789}

/* Hero */
.hero-section{
  position:relative;
  background:
    linear-gradient(125deg,rgba(247,245,241,.96) 20%,rgba(247,245,241,.86) 66%,rgba(238,235,229,.72)),
    url('/assets/images/backpic/back-1.png') center 28%/cover no-repeat;
  border-bottom:1px solid var(--c-border);
}
.hero-inner{
  padding-block:clamp(3rem,8vw,6.2rem);
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  padding:.28rem .85rem;
  border:1px solid rgba(30,55,50,.2);
  border-radius:999px;
  color:var(--c-primary);
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.05em;
  margin-bottom:2.2rem;
  background:rgba(255,255,255,.5);
}
.hero-h1{
  font-family:var(--font-head);
  color:var(--c-primary);
  font-size:clamp(2.3rem,4.6vw,3.75rem);
  line-height:1.18;
  letter-spacing:-.01em;
  max-width:16em;
  margin-bottom:1.8rem;
  text-wrap:balance;
}
.hero-strong{
  color:#82502a;
  font-weight:700;
}
.hero-lead{
  font-size:1.12rem;
  color:#505852;
  max-width:45em;
  line-height:2;
  margin-bottom:2.3rem;
}
.hero-actions{
  display:flex;
  gap:.9rem;
  flex-wrap:wrap;
  align-items:center;
  margin-bottom:3rem;
}
.hero-note{
  font-size:.82rem;
  color:var(--c-muted);
  margin-top:.4rem;
  flex-basis:100%;
}
.hero-numbers{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  max-width:640px;
  border-top:1px solid var(--c-border);
  padding-top:1.6rem;
  gap:1rem;
}
.num-item .num-value{
  display:flex;
  align-items:baseline;
  gap:.2rem;
  font-family:var(--font-head);
  font-size:1.8rem;
  font-weight:700;
  color:var(--c-primary);
  letter-spacing:.01em;
  line-height:1.2;
}
.num-item .num-value small{
  color:var(--c-accent);
  font-size:.95rem;
  font-weight:800;
}
.num-item .num-label{
  font-size:.8rem;
  color:var(--c-muted);
  margin-top:.35rem;
}

/* Showcase cards */
.showcase-section{
  background:var(--bg-surface);
  border-bottom:1px solid var(--c-border);
}
.feature-card{
  height:100%;
  background:var(--bg-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.feature-card .feature-figure{
  position:relative;
  margin:0;
  overflow:hidden;
  aspect-ratio:16/10;
  background:#ede9e1;
}
.feature-card.is-ratio-4-3 .feature-figure{
  aspect-ratio:4/3;
}
.feature-card .feature-image{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s var(--ease);
}
.feature-card:hover .feature-image{
  transform:scale(1.04);
}
.feature-card .feature-figure .tag-float{
  position:absolute;
  left:1rem;
  bottom:1rem;
  background:rgba(255,255,255,.9);
  color:var(--c-primary);
  font-size:.74rem;
  font-weight:700;
  padding:.24rem .75rem;
  border-radius:999px;
  letter-spacing:.06em;
  box-shadow:0 4px 12px rgba(0,0,0,.08);
}
.feature-card-body{
  padding:1.45rem 1.5rem 1.6rem;
  flex:1;
  display:flex;
  flex-direction:column;
}
.feature-card h3{
  font-family:var(--font-head);
  font-size:1.35rem;
  color:var(--c-primary);
  margin:0 0 .5rem;
}
.feature-card p{
  font-size:.9rem;
  color:var(--c-muted);
  margin-bottom:.85rem;
}
.feature-tagrow{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  margin-bottom:1.05rem;
}
.chip{
  display:inline-block;
  font-size:.72rem;
  color:#6e665b;
  background:#f7f4ee;
  border:1px solid #e8e2d8;
  padding:.14rem .62rem;
  border-radius:999px;
  white-space:nowrap;
}
.card-more{
  margin-top:auto;
  font-size:.82rem;
  font-weight:700;
  color:var(--c-primary);
  display:inline-flex;
  gap:.3rem;
  border-bottom:1px solid transparent;
  align-self:flex-start;
}
.card-more i{
  transition:transform .3s;
}
.feature-card:hover .card-more{
  border-bottom-color:var(--c-primary);
}
.feature-card:hover .card-more i{
  transform:translateX(4px);
}

/* CTA join */
.join-section{
  position:relative;
  background:
    linear-gradient(105deg,rgba(23,40,36,.94),rgba(30,55,50,.82)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:rgba(255,255,255,.9);
}
.join-panel{
  padding-block:clamp(3.5rem,7vw,5.5rem);
}
.join-badge{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  background:rgba(200,147,96,.18);
  color:#e7bd94;
  border:1px solid rgba(200,147,96,.35);
  font-size:.78rem;
  font-weight:700;
  padding:.3rem .85rem;
  border-radius:999px;
  letter-spacing:.1em;
  margin-bottom:1.6rem;
}
.join-title{
  font-family:var(--font-head);
  color:#fff;
  font-size:clamp(1.8rem,3.5vw,2.8rem);
  line-height:1.3;
  margin-bottom:1.4rem;
  max-width:14em;
}
.join-desc{
  font-size:.98rem;
  line-height:2;
  color:#d8ded8;
  max-width:35em;
  margin-bottom:1.4rem;
}
.join-tip{
  padding:.85rem 1.1rem;
  background:rgba(0,0,0,.18);
  border-left:3px solid var(--c-accent);
  color:rgba(255,255,255,.78);
  border-radius:var(--radius-sm);
}
.cta-form{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:1.6rem 1.7rem 1.8rem;
  color:var(--c-text);
  box-shadow:0 22px 44px rgba(0,0,0,.25);
}
.form-label-custom{
  display:block;
  margin-bottom:.35rem;
  font-size:.82rem;
  font-weight:600;
  color:var(--c-primary);
}
.form-control-oy{
  display:block;
  width:100%;
  border:1px solid var(--c-line-dark);
  border-radius:var(--radius-md);
  padding:.78rem .95rem;
  font-size:.9rem;
  background:#fff;
  color:var(--c-text);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.form-control-oy:focus{
  outline:0;
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(30,55,50,.1);
}
.cta-note{
  font-size:.75rem;
  color:var(--c-muted);
  line-height:1.65;
  margin-top:.65rem;
}
.cta-form .btn{
  width:100%;
  margin-top:1rem;
}

/* FAQ */
.faq-section{
  background:var(--bg-page);
}
.faq-caption{
  margin-bottom:1.6rem;
}
.faq-panel{
  max-width:980px;
}
.faq-item{
  border-bottom:1px solid var(--c-border);
}
.faq-question{
  width:100%;
  background:transparent;
  border:0;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:1rem;
  text-align:left;
  padding:1.25rem .1rem;
  color:var(--c-primary);
  font-size:1rem;
  font-weight:600;
  transition:background-color .2s;
}
.faq-question:hover .faq-q-text{
  color:#0c1d1a;
}
.faq-q-text{
  flex:1;
  line-height:1.7;
}
.faq-icon{
  flex:none;
  width:24px;
  height:24px;
  border-radius:50%;
  background:var(--c-border);
  color:var(--c-primary);
  font-weight:300;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.1rem;
  transition:transform .3s var(--ease),background-color .3s,color .3s;
}
.faq-icon::before{
  content:"+";
  position:relative;
  top:-1px;
}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);
  background:var(--c-primary);
  color:#fff;
}
.faq-answer{
  max-height:0;
  opacity:0;
  overflow:hidden;
  transition:max-height .3s var(--ease),opacity .25s ease,margin .25s ease;
}
.faq-item.is-open .faq-answer{
  max-height:340px;
  opacity:1;
  margin-top:.15rem;
}
.faq-answer-inner{
  padding:0 .3rem 1.5rem;
  color:#535a55;
  font-size:.92rem;
  max-width:58em;
  line-height:1.9;
}
.faq-grid-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1.5rem;
}
.faq-side-note{
  background:var(--bg-soft);
  border:1px dashed var(--c-line-dark);
  border-radius:var(--radius-md);
  padding:1.2rem 1.3rem;
}

/* News / latest info */
.news-band{
  background:var(--bg-soft);
  border-top:1px solid var(--c-border);
  border-bottom:1px solid var(--c-border);
}
.info-heading{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:1.4rem;
  margin-bottom:2rem;
}
.more-link{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  font-size:.9rem;
  font-weight:700;
  color:var(--c-primary);
  border-bottom:1px solid transparent;
  padding-bottom:.15rem;
  white-space:nowrap;
}
.more-link:hover{
  border-bottom-color:var(--c-primary);
}
.news-list{
  display:grid;
  gap:1rem;
}
.news-item{
  display:grid;
  grid-template-columns:168px 1fr;
  background:var(--bg-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:0 1px 2px rgba(23,29,27,.03);
  transition:background-color .3s ease,box-shadow .3s ease,transform .3s var(--ease);
}
.news-item:hover{
  background:#fffdf9;
  box-shadow:var(--shadow-card);
}
.news-figure{
  min-height:100%;
  overflow:hidden;
  background:#e7e1d6;
}
.news-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s var(--ease);
}
.news-item:hover .news-figure img{
  transform:scale(1.04);
}
.news-content{
  padding:1.15rem 1.35rem 1.3rem;
  display:flex;
  flex-direction:column;
}
.news-tag{
  display:inline-block;
  font-size:.72rem;
  color:#776b5e;
  background:#f2ede6;
  border:1px solid #e4ddcf;
  padding:.05rem .6rem;
  border-radius:4px;
  margin-right:.55rem;
  letter-spacing:.04em;
}
.news-date{
  font-size:.75rem;
  color:#8b8d87;
}
.news-item h3{
  font-size:1rem;
  margin:.5rem 0 .25rem;
  line-height:1.55;
  color:var(--c-text);
}
.news-item h3 a{
  color:inherit;
}
.news-item:hover h3 a{
  color:var(--c-primary);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-color:rgba(30,55,50,.25);
}
.news-summary{
  font-size:.84rem;
  color:var(--c-muted);
  margin:.35rem 0 .35rem;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-more-txt{
  margin-top:auto;
  font-size:.76rem;
  font-weight:600;
  color:var(--c-accent);
  display:inline-flex;
  gap:.3rem;
  align-items:center;
}
.news-empty{
  background:var(--bg-surface);
  border:1px dashed var(--c-line-dark);
  border-radius:var(--radius-lg);
  padding:2.5rem;
  text-align:center;
  color:var(--c-muted);
  font-size:.92rem;
}
.news-empty .empty-ic{
  display:inline-flex;
  width:48px;
  height:48px;
  border-radius:50%;
  background:var(--bg-soft);
  color:var(--c-primary);
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  margin-bottom:.7rem;
}

/* Footer */
.site-footer{
  background:#efeae2;
  margin-top:auto;
  border-top:1px solid var(--c-border);
}
.footer-top{
  padding:3rem 0 1.8rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr .8fr .8fr .9fr;
  gap:2.6rem;
}
.footer-brand{
  font-family:var(--font-head);
  font-size:1.35rem;
  font-weight:700;
  color:var(--c-primary);
}
.footer-domain{
  display:block;
  font-size:.72rem;
  color:var(--c-muted);
  letter-spacing:.06em;
  margin-top:.2rem;
}
.footer-about{
  font-size:.84rem;
  line-height:1.85;
  color:var(--c-muted);
  max-width:26em;
  margin-top:1rem;
}
.footer-title{
  font-size:.92rem;
  font-weight:700;
  color:var(--c-primary);
  margin-bottom:1rem;
}
.footer-links{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.45rem;
}
.footer-links a{
  font-size:.86rem;
  color:#57605a;
  transition:color .2s,padding-left .2s;
}
.footer-links a:hover{
  color:var(--c-primary);
  padding-left:3px;
}
.footer-contact p{
  margin-bottom:.4rem;
  font-size:.85rem;
  color:#58615c;
  line-height:1.7;
}
.footer-bottom{
  border-top:1px solid #ddd5c8;
  padding:1.3rem 0;
  font-size:.76rem;
  color:#8b8478;
  text-align:center;
}
.footer-bottom .copy-domain{
  color:#6e6458;
  font-weight:600;
}

/* Scroll reveal */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.reveal.reveal-visible{
  opacity:1;
  transform:none;
}
@media (prefers-reduced-motion:reduce){
  *{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
  .reveal{
    opacity:1;
    transform:none;
  }
}

/* Responsive */
@media (min-width:1200px){
  :root{--sidebar-w:18.5rem}
}
@media (min-width:992px) and (max-width:1199px){
  :root{--sidebar-w:13.5rem}
  .sidebar-inner{padding-inline:.9rem}
  .brand-text{font-size:1.15rem}
  .nav-item{padding:.56rem .65rem;font-size:.88rem}
}
@media (max-width:991px){
  .app-sidebar{display:none}
  .mobile-header{display:flex}
  .app-main{
    margin-left:0;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:1.8rem;
  }
  .ticker-text{
    min-width:100%;
    order:2;
  }
  .ticker-ribbon .container-oy{
    row-gap:.4rem;
    padding-block:.75rem;
  }
}
@media (max-width:767px){
  .page-section{
    --space-section:clamp(3rem,7vw,4.5rem);
  }
  .section-heading .section-lead{
    margin-top:.7rem;
  }
  .hero-actions .btn{
    width:100%;
  }
  .hero-numbers{
    grid-template-columns:1fr 1fr 1fr;
    gap:.8rem;
  }
  .num-item .num-value{
    font-size:1.3rem;
  }
  .news-item{
    grid-template-columns:120px 1fr;
  }
  .news-content{
    padding:.9rem 1rem;
  }
  .news-summary{
    -webkit-line-clamp:3;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:1.6rem;
  }
}
@media (max-width:520px){
  .ticker-badge{
    display:none;
  }
  .ticker-link{
    font-size:.76rem;
  }
  .cd-item{
    padding:.05rem .4rem;
  }
  .cd-item strong{
    font-size:.86rem;
  }
  .hero-inner{
    padding-block:2.8rem 3.2rem;
  }
  .hero-h1{
    font-size:2.02rem;
  }
  .hero-lead{
    font-size:1rem;
  }
  .news-item{
    grid-template-columns:1fr;
  }
  .news-figure{
    aspect-ratio:16/9;
  }
  .news-figure img{
    height:auto;
    min-height:100%;
  }
  .cta-form{
    padding:1.2rem 1.1rem;
  }
}

/* roulang page: category1 */
:root {
      --bg-page: #F7F5F1;
      --bg-surface: #FFFFFF;
      --bg-soft: #EEECE5;
      --bg-deep: #172824;
      --c-primary: #1E3732;
      --c-accent: #C89360;
      --c-text: #272B29;
      --c-muted: #707A75;
      --c-border: #E2DED4;
      --c-line-dark: #C9C2B6;
      --text-light: #F4F2EC;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-card: 0 1px 2px rgba(23, 29, 27, .04), 0 8px 20px rgba(23, 29, 27, .06);
      --shadow-hover: 0 6px 14px rgba(23, 29, 27, .08), 0 18px 34px rgba(23, 29, 27, .10);
      --sidebar-w: 17.5rem;
      --ease: cubic-bezier(.2, .75, .3, 1);
      --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, sans-serif;
      --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
    }

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

    html {
      margin: 0;
      padding: 0;
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.8;
      color: var(--c-text);
      background: var(--bg-page);
      text-rendering: optimizeLegibility;
    }

    p,
    h1,
    h2,
    h3,
    h4,
    h5,
    h6,
    ul,
    ol,
    figure {
      margin: 0;
      padding: 0;
    }

    h1,
    h2,
    h3 {
      font-family: var(--font-display);
      line-height: 1.2;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

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

    button:focus-visible,
    a:focus-visible {
      outline: 2px solid var(--c-accent);
      outline-offset: 2px;
    }

    .container-oy {
      width: 100%;
      max-width: 1200px;
      margin-right: auto;
      margin-left: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    @media (min-width: 1400px) {
      .container-oy {
        max-width: 1280px;
      }
    }

    .app-shell {
      min-height: 100vh;
      background: var(--bg-page);
    }

    .sidebar {
      position: fixed;
      top: 0;
      left: 0;
      bottom: 0;
      z-index: 1050;
      width: 17.5rem;
      background: var(--bg-surface);
      border-right: 1px solid var(--c-border);
      overflow-y: auto;
      padding: 28px 0 20px;
    }

    .sidebar-inner {
      display: flex;
      flex-direction: column;
      height: 100%;
      padding: 0 16px 20px;
    }

    .brand-block {
      padding: 12px 12px 28px;
    }

    .brand-name {
      display: block;
      font-family: var(--font-display);
      font-size: 1.45rem;
      font-weight: 700;
      letter-spacing: .03em;
      color: var(--c-primary);
      line-height: 1.3;
    }

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

    .brand-domain {
      display: block;
      font-size: .8rem;
      color: var(--c-muted);
      margin-top: 10px;
      font-family: var(--font-sans);
      letter-spacing: .02em;
      border-top: 1px solid var(--bg-soft);
      padding-top: 10px;
    }

    .side-nav {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .side-nav .nav-item {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 44px;
      padding: 10px 12px;
      border-radius: var(--radius-sm);
      font-size: .96rem;
      font-weight: 500;
      color: var(--c-text);
      border-left: 3px solid transparent;
      transition: background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
      line-height: 1.4;
    }

    .side-nav .nav-item i {
      font-size: 1.06rem;
      color: var(--c-muted);
      transition: color .22s var(--ease);
    }

    .side-nav .nav-item:hover {
      background: rgba(238, 236, 229, .55);
    }

    .side-nav .nav-item:hover i {
      color: var(--c-primary);
    }

    .side-nav .nav-item.active {
      background: rgba(238, 236, 229, .42);
      border-left-color: var(--c-accent);
      color: var(--c-primary);
      font-weight: 700;
    }

    .side-nav .nav-item.active i {
      color: var(--c-accent);
    }

    .nav-section-title {
      font-size: .78rem;
      color: var(--c-muted);
      letter-spacing: .22em;
      margin: 18px 12px 6px;
      text-transform: none;
      font-weight: 600;
    }

    .side-assist {
      margin-top: auto;
      padding: 18px 12px 6px;
      border-top: 1px solid var(--bg-soft);
    }

    .side-assist p {
      font-size: .83rem;
      color: var(--c-muted);
      line-height: 1.8;
    }

    .side-assist strong {
      color: var(--c-primary);
      font-weight: 600;
    }

    .main-panel {
      margin-left: 17.5rem;
      min-height: 100vh;
      background: var(--bg-page);
    }

    @media (min-width: 1200px) {
      .sidebar {
        width: 18.5rem;
      }
      .main-panel {
        margin-left: 18.5rem;
      }
    }

    @media (max-width: 1199.98px) and (min-width: 992px) {
      :root {
        --sidebar-w: 13.5rem;
      }
      .sidebar {
        width: 13.5rem;
      }
      .main-panel {
        margin-left: 13.5rem;
      }
      .brand-name {
        font-size: 1.22rem;
      }
    }

    .category-main {
      padding-bottom: 56px;
    }

    .breadcrumb-oy {
      padding: 24px 0 8px;
      font-size: .85rem;
      color: var(--c-muted);
    }

    .breadcrumb-oy a {
      color: var(--c-muted);
      transition: color .2s var(--ease);
    }

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

    .breadcrumb-oy .sep {
      margin: 0 8px;
      color: var(--c-line-dark);
    }

    .breadcrumb-oy .current {
      color: var(--c-text);
      font-weight: 600;
    }

    .page-hero {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, rgba(255, 255, 255, .96) 0%, rgba(238, 236, 229, .92) 70%, rgba(200, 147, 96, .18) 130%),
        url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
      border: 1px solid var(--c-border);
      box-shadow: var(--shadow-card);
      padding: clamp(28px, 5vw, 60px) clamp(22px, 5vw, 58px);
      margin: 18px 0 30px;
    }

    .page-hero::after {
      content: '';
      pointer-events: none;
      position: absolute;
      right: 0;
      top: 0;
      width: 40%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .35));
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--c-primary);
      color: var(--text-light);
      font-size: .78rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 999px;
      letter-spacing: .14em;
      margin-bottom: 20px;
      line-height: 1.6;
    }

    .page-title {
      font-size: clamp(2.25rem, 4vw, 3.25rem);
      color: var(--c-primary);
      position: relative;
      z-index: 2;
      letter-spacing: .01em;
    }

    .hero-lead {
      max-width: 760px;
      color: var(--c-text);
      font-size: 1rem;
      margin-top: 22px;
      line-height: 1.9;
      position: relative;
      z-index: 2;
    }

    .anchor-toc {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 0 auto 34px;
    }

    .anchor-toc a {
      display: inline-flex;
      align-items: center;
      font-size: .9rem;
      color: var(--c-primary);
      border: 1px solid var(--c-border);
      background: var(--bg-surface);
      padding: 6px 14px;
      border-radius: 999px;
      transition: all .2s var(--ease);
    }

    .anchor-toc a:hover {
      border-color: var(--c-accent);
      color: var(--c-accent);
      transform: translateY(-1px);
    }

    .section-block {
      margin-bottom: clamp(3.5rem, 7vw, 5.5rem);
    }

    .section-head {
      margin-bottom: 26px;
    }

    .section-kicker {
      display: inline-block;
      font-size: .82rem;
      letter-spacing: .2em;
      color: var(--c-accent);
      font-weight: 700;
      text-transform: none;
      margin-bottom: 8px;
    }

    .section-title {
      font-size: clamp(1.7rem, 3vw, 2.2rem);
      color: var(--c-primary);
    }

    .section-desc {
      color: var(--c-muted);
      max-width: 760px;
      margin-top: 10px;
      font-size: .98rem;
    }

    .badge-oy,
    .tag-oy {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      background: var(--bg-soft);
      color: var(--c-primary);
      font-size: .76rem;
      font-weight: 600;
      padding: 2px 10px;
      border-radius: 999px;
      border: 1px solid var(--c-border);
    }

    .tag-accent {
      background: rgba(200, 147, 96, .15);
      color: #8a5b32;
      border-color: rgba(200, 147, 96, .3);
    }

    .timeline-wrap {
      background: var(--bg-surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--c-border);
      box-shadow: var(--shadow-card);
      padding: clamp(20px, 4vw, 44px);
    }

    .timeline {
      position: relative;
      padding-left: 28px;
    }

    .timeline::before {
      content: '';
      position: absolute;
      left: 9px;
      top: 8px;
      bottom: 8px;
      width: 1px;
      background: var(--c-line-dark);
    }

    .timeline-item {
      position: relative;
      padding: 0 0 32px 20px;
    }

    .timeline-item:last-child {
      padding-bottom: 4px;
    }

    .timeline-item::before {
      content: '';
      position: absolute;
      left: -26px;
      top: 8px;
      width: 12px;
      height: 12px;
      background: var(--bg-surface);
      border: 3px solid var(--c-accent);
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(200, 147, 96, .15);
    }

    .timeline-item-header {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      margin-bottom: 6px;
    }

    .timeline-date {
      font-size: .9rem;
      color: var(--c-accent);
      font-weight: 700;
      letter-spacing: .02em;
    }

    .timeline-title {
      font-family: var(--font-display);
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--c-primary);
    }

    .timeline-desc {
      color: var(--c-muted);
      font-size: .95rem;
      line-height: 1.8;
      margin-top: 6px;
      max-width: 820px;
    }

    .notice-detail {
      background: var(--bg-soft);
      border-radius: var(--radius-lg);
      border: 1px solid var(--c-border);
      padding: clamp(20px, 4vw, 42px);
    }

    .notice-detail-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 20px;
      flex-wrap: wrap;
      border-bottom: 1px solid var(--c-border);
      padding-bottom: 16px;
      margin-bottom: 20px;
    }

    .notice-detail-title {
      font-size: 1.6rem;
      font-family: var(--font-display);
      color: var(--c-primary);
    }

    .notice-text {
      color: var(--c-text);
      font-size: 1rem;
      line-height: 1.9;
      max-width: 860px;
    }

    .notice-text p {
      margin-bottom: 14px;
    }

    .rule-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
    }

    .rule-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      border-top: 1px dashed var(--c-line-dark);
      padding: 12px 0;
      color: var(--c-text);
      font-size: .96rem;
      line-height: 1.8;
    }

    .rule-list li::before {
      content: '●';
      font-size: .7rem;
      color: var(--c-accent);
      transform: translateY(7px);
    }

    .deep-alert {
      background: var(--bg-deep);
      border-radius: var(--radius-lg);
      color: var(--text-light);
      padding: clamp(22px, 4vw, 44px);
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 20px;
    }

    .deep-alert-title {
      grid-column: 1 / -1;
      font-family: var(--font-display);
      font-size: 1.6rem;
      color: #fff;
      padding-bottom: 6px;
    }

    .deep-alert-kicker {
      color: var(--c-accent);
      font-size: .82rem;
      letter-spacing: .2em;
      margin-bottom: 10px;
      display: block;
    }

    .deep-alert-item {
      background: rgba(255, 255, 255, .05);
      border: 1px solid rgba(255, 255, 255, .08);
      border-radius: var(--radius-md);
      padding: 18px;
      transition: transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease);
    }

    .deep-alert-item:hover {
      transform: translateY(-3px);
      background: rgba(255, 255, 255, .08);
      border-color: rgba(200, 147, 96, .4);
    }

    .deep-alert-item .step-num {
      width: 30px;
      height: 30px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--c-accent);
      color: var(--bg-deep);
      font-weight: 800;
      font-size: .92rem;
      border-radius: 50%;
      margin-bottom: 12px;
    }

    .deep-alert-item h3 {
      font-family: var(--font-sans);
      font-size: 1rem;
      color: #fff;
      margin-bottom: 6px;
    }

    .deep-alert-item p {
      font-size: .88rem;
      color: rgba(255, 255, 255, .78);
      line-height: 1.8;
    }

    .related-cards {
      margin-top: 18px;
    }

    .related-card {
      height: 100%;
      background: var(--bg-surface);
      border: 1px solid var(--c-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: transform .3s var(--ease), box-shadow .3s var(--ease);
    }

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

    .related-card-img {
      overflow: hidden;
      aspect-ratio: 16 / 8;
    }

    .related-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .32s var(--ease);
    }

    .related-card:hover .related-card-img img {
      transform: scale(1.04);
    }

    .related-card-body {
      padding: 18px 20px 20px;
    }

    .related-card-body h3 {
      font-size: 1.15rem;
      color: var(--c-primary);
      font-weight: 700;
    }

    .related-card-body p {
      color: var(--c-muted);
      font-size: .9rem;
      line-height: 1.8;
      margin-top: 6px;
    }

    .related-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--c-accent);
      font-weight: 700;
      margin-top: 12px;
      font-size: .92rem;
    }

    .related-link i {
      transition: transform .2s var(--ease);
    }

    .related-card:hover .related-link i {
      transform: translateX(4px);
    }

    .btn-oy {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 700;
      font-family: var(--font-sans);
      line-height: 1;
      border-radius: var(--radius-sm);
      padding: 13px 24px;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
      border: 1px solid transparent;
      min-height: 46px;
    }

    .btn-primary-c {
      background: var(--c-primary);
      color: #fff;
      box-shadow: 0 8px 16px rgba(30, 55, 50, .16);
    }

    .btn-primary-c:hover {
      color: #fff;
      background: #29473f;
      transform: translateY(-2px);
    }

    .btn-accent-c {
      background: var(--c-accent);
      color: var(--bg-deep);
      box-shadow: 0 8px 16px rgba(200, 147, 96, .2);
    }

    .btn-accent-c:hover {
      color: var(--bg-deep);
      background: #d3a575;
      transform: translateY(-2px);
    }

    .btn-outline-c {
      border-color: var(--c-primary);
      color: var(--c-primary);
      background: transparent;
    }

    .btn-outline-c:hover {
      background: var(--c-primary);
      color: #fff;
      transform: translateY(-2px);
    }

    .btn-light-c {
      background: rgba(255, 255, 255, .12);
      color: #fff;
      border-color: rgba(255, 255, 255, .28);
    }

    .btn-light-c:hover {
      background: rgba(255, 255, 255, .2);
      color: #fff;
    }

    .faq-list {
      border-top: 1px solid var(--c-border);
    }

    .faq-item {
      border-bottom: 1px solid var(--c-border);
      background: var(--bg-surface);
    }

    .faq-toggle {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
      padding: 18px 4px;
      text-align: left;
      font-size: 1rem;
      color: var(--c-primary);
      font-family: var(--font-display);
      font-weight: 700;
      border-radius: 0;
      cursor: pointer;
      transition: color .2s var(--ease);
    }

    .faq-toggle:hover {
      color: var(--c-accent);
    }

    .faq-toggle .faq-icon {
      flex-shrink: 0;
      width: 32px;
      height: 32px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--c-border);
      border-radius: 50%;
      color: var(--c-accent);
      font-size: 1.1rem;
      font-style: normal;
      transition: transform .28s var(--ease), border-color .28s var(--ease);
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      border-color: var(--c-accent);
    }

    .faq-body {
      max-height: 0;
      overflow: hidden;
      color: var(--c-muted);
      transition: max-height .3s var(--ease), opacity .3s var(--ease);
      opacity: 0;
    }

    .faq-item.open .faq-body {
      max-height: 20rem;
      opacity: 1;
    }

    .faq-body-inner {
      padding: 0 20px 22px 4px;
      line-height: 1.9;
      font-size: .95rem;
    }

    .cta-oy {
      background: var(--bg-deep);
      border-radius: var(--radius-lg);
      color: var(--text-light);
      padding: clamp(26px, 5vw, 52px);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 22px;
    }

    .cta-oy h2 {
      font-size: clamp(1.6rem, 3vw, 2.1rem);
      color: #fff;
    }

    .cta-oy p {
      color: rgba(255, 255, 255, .76);
      font-size: .95rem;
      margin-top: 8px;
      max-width: 620px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .site-footer {
      border-top: 1px solid var(--c-border);
      background: #F1EEE8;
      margin-top: 20px;
    }

    .footer-top {
      padding: 48px 0 30px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 32px;
    }

    .footer-brand {
      display: block;
      font-family: var(--font-display);
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--c-primary);
    }

    .footer-domain {
      display: inline-block;
      margin-top: 6px;
      font-size: .8rem;
      color: var(--c-muted);
      border-bottom: 1px solid var(--c-border);
      padding-bottom: 10px;
    }

    .footer-about {
      color: var(--c-muted);
      font-size: .88rem;
      line-height: 1.85;
      margin-top: 14px;
      max-width: 360px;
    }

    .footer-title {
      font-size: .92rem;
      font-weight: 700;
      color: var(--c-primary);
      margin: 4px 0 14px;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a {
      color: var(--c-muted);
      font-size: .88rem;
      line-height: 1.6;
      transition: color .2s var(--ease), padding-left .2s var(--ease);
    }

    .footer-links a:hover {
      color: var(--c-accent);
      padding-left: 4px;
    }

    .footer-contact p {
      color: var(--c-muted);
      font-size: .85rem;
      margin-bottom: 10px;
      line-height: 1.8;
    }

    .footer-bottom {
      border-top: 1px solid var(--c-border);
      padding: 18px 0;
      color: var(--c-muted);
      font-size: .82rem;
    }

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

    .footer-bottom .copy-domain {
      color: var(--c-primary);
      font-weight: 600;
    }

    .mobile-topbar {
      display: none;
    }

    .mobile-menu {
      display: none;
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
      }
    }

    @media (max-width: 991.98px) {
      .sidebar {
        display: none;
      }

      .mobile-topbar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1090;
        height: 60px;
        padding: 0 16px;
        background: var(--bg-surface);
        border-bottom: 1px solid var(--c-border);
      }

      .mobile-brand {
        font-family: var(--font-display);
        font-weight: 700;
        color: var(--c-primary);
        font-size: 1.08rem;
        line-height: 1.3;
      }

      .mobile-sub-brand {
        display: block;
        font-size: .7rem;
        color: var(--c-muted);
        font-family: var(--font-sans);
        font-weight: 400;
        letter-spacing: .02em;
      }

      .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border-radius: var(--radius-sm);
        color: var(--c-primary);
        font-size: 1.5rem;
        border: 1px solid var(--c-border);
        background: var(--bg-surface);
        cursor: pointer;
      }

      .menu-toggle:hover {
        background: var(--bg-soft);
      }

      .mobile-menu {
        display: block;
        position: fixed;
        top: 60px;
        left: 0;
        bottom: 0;
        z-index: 1080;
        width: min(320px, 88vw);
        background: var(--bg-surface);
        border-right: 1px solid var(--c-border);
        transform: translateX(-100%);
        transition: transform .3s var(--ease);
        overflow-y: auto;
        visibility: hidden;
      }

      .mobile-menu.open {
        transform: translateX(0);
        visibility: visible;
        box-shadow: 22px 0 40px rgba(23, 29, 27, .14);
      }

      .mobile-menu-panel {
        padding: 24px 18px 40px;
      }

      .mobile-menu .brand-block {
        padding: 4px 4px 22px;
      }

      .mobile-menu .side-nav .nav-item {
        min-height: 46px;
      }

      .mobile-menu .side-assist {
        margin-top: 20px;
        padding: 14px 4px 0;
      }

      .main-panel {
        margin-left: 0;
        padding-top: 60px;
      }

      .page-hero {
        border-radius: var(--radius-md);
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .footer-about {
        max-width: none;
      }
    }

    @media (max-width: 575.98px) {
      .container-oy {
        padding-left: 18px;
        padding-right: 18px;
      }

      .page-hero {
        padding: 24px 20px;
      }

      .page-title {
        font-size: 1.9rem;
      }

      .hero-lead {
        font-size: .93rem;
      }

      .timeline-wrap,
      .notice-detail,
      .deep-alert {
        padding: 20px 16px;
      }

      .timeline {
        padding-left: 24px;
      }

      .timeline-item {
        padding-left: 14px;
      }

      .timeline::before {
        left: 8px;
      }

      .timeline-item::before {
        left: -23px;
        width: 10px;
        height: 10px;
      }

      .deep-alert {
        grid-template-columns: 1fr;
      }

      .cta-oy {
        padding: 24px 18px;
      }

      .cta-oy h2 {
        font-size: 1.45rem;
      }

      .btn-oy {
        padding: 11px 18px;
      }
    }

/* roulang page: article */
:root {
  --bg-page: #F7F5F1;
  --bg-surface: #FFFFFF;
  --bg-soft: #EEECE5;
  --bg-deep: #172824;
  --c-primary: #1E3732;
  --c-accent: #C89360;
  --c-text: #272B29;
  --c-muted: #707A75;
  --c-border: #E2DED4;
  --c-line-dark: #C9C2B6;
  --deep-text: #F4F2EC;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 1px 2px rgba(23,29,27,.04), 0 8px 20px rgba(23,29,27,.06);
  --shadow-hover: 0 10px 26px rgba(23,29,27,.12), 0 2px 6px rgba(23,29,27,.06);
  --font-title: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --ease: cubic-bezier(.2, .75, .3, 1);
  --sidebar-w: 280px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-page);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--c-primary); }
button, input, textarea, select { font: inherit; }
.container-oy { width: 100%; max-width: 1320px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* layout shell */
.layout-shell { display: flex; min-height: 100vh; width: 100%; }

/* desktop left sidebar */
.left-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--c-border);
  z-index: 1040;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow-y: auto;
}
.right-region {
  flex: 1 1 0%;
  min-width: 0;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  background: var(--bg-page);
}

.brand-region {
  padding: 32px 22px 22px;
  border-bottom: 1px solid var(--c-border);
}
.brand-main {
  display: block;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: .02em;
  color: var(--c-primary);
  line-height: 1.35;
}
.brand-sub {
  display: block;
  margin-top: 6px;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--c-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  word-break: keep-all;
}

.side-nav {
  padding: 14px 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav-section-title {
  margin: 18px 12px 6px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .22em;
  color: var(--c-muted);
  text-transform: uppercase;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 46px;
  padding: .42rem .85rem;
  border-radius: 9px;
  color: var(--c-text);
  font-size: .96rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: background .24s var(--ease), color .24s var(--ease);
}
.nav-item i { font-size: 1.05rem; color: var(--c-muted); transition: color .24s var(--ease); }
.nav-item:hover { background: var(--bg-soft); color: var(--c-primary); }
.nav-item:hover i { color: var(--c-primary); }
.nav-item.active, .nav-item[aria-current="page"] {
  background: #f1efea;
  color: var(--c-primary);
  border-left-color: var(--c-accent);
  font-weight: 700;
}
.nav-item.active i, .nav-item[aria-current="page"] i { color: var(--c-accent); }

.sidebar-assist {
  margin: auto 14px 22px;
  padding: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
}
.assist-image {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 10px;
}
.assist-image img {
  width: 100%;
  height: 92px;
  object-fit: cover;
  display: block;
}
.assist-label { font-size: .78rem; font-weight: 600; color: var(--c-primary); letter-spacing: .06em; }
.assist-text { font-size: .8rem; color: var(--c-muted); line-height: 1.65; margin: 6px 0 10px; }
.assist-link { color: var(--c-primary); font-size: .82rem; font-weight: 600; }

/* mobile topbar + drawer */
.mobile-topbar {
  position: sticky;
  top: 0;
  z-index: 1060;
  display: none;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  padding: .5rem 1rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--c-border);
}
.mobile-brand { font-family: var(--font-title); font-weight: 700; color: var(--c-primary); font-size: 1.1rem; }
.mobile-domain { display: block; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .66rem; color: var(--c-muted); line-height: 1; }
.menu-toggle {
  background: var(--bg-soft);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  height: 42px;
  width: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--c-primary);
  font-size: 1.35rem;
  cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.menu-toggle:hover { background: #e2dfd6; border-color: var(--c-line-dark); }
.mobile-drawer {
  position: fixed;
  inset: 0 auto 0 0;
  width: min(86vw, 340px);
  background: var(--bg-surface);
  z-index: 1080;
  overflow-y: auto;
  padding: 0 0 28px;
  transform: translateX(-102%);
  transition: transform .34s var(--ease);
  box-shadow: 12px 0 40px rgba(20, 25, 22, .18);
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-header { display: flex; align-items: center; justify-content: space-between; padding: 22px 18px 12px; border-bottom: 1px solid var(--c-border); }
.drawer-close { border: 0; background: transparent; font-size: 1.25rem; color: var(--c-primary); cursor: pointer; padding: 8px; }
.mobile-drawer .side-nav { padding: 10px 12px 20px; }
.mobile-drawer .sidebar-assist { margin-top: 4px; }
.backdrop-layer {
  position: fixed;
  inset: 0;
  background: rgba(23, 40, 36, .52);
  z-index: 1070;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s var(--ease);
}
.backdrop-layer.show { opacity: 1; visibility: visible; }

/* main article page */
.article-main {
  flex: 1 0 auto;
  width: 100%;
  padding: clamp(28px, 4vw, 72px);
}
.article-inner { max-width: 1100px; margin: 0 auto; }

.breadcrumb-modern {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-size: .86rem;
  color: var(--c-muted);
}
.breadcrumb-modern a { color: var(--c-muted); transition: color .2s ease; }
.breadcrumb-modern a:hover { color: var(--c-primary); }
.breadcrumb-modern .sep { color: var(--c-line-dark); }
.breadcrumb-modern .crumb-category { color: var(--c-primary); font-weight: 600; }
.breadcrumb-modern .crumb-current {
  max-width: 340px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--c-text);
}

.article-heading-zone {
  background: var(--bg-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: clamp(24px, 4.5vw, 48px);
  margin-bottom: 28px;
}
.article-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: .3rem .8rem;
  background: var(--bg-soft);
  border-radius: 999px;
  font-size: .78rem;
  color: var(--c-primary);
  font-weight: 600;
  margin-bottom: 18px;
}
.article-heading-zone h1 {
  font-family: var(--font-title);
  font-size: clamp(2.1rem, 2.6vw + .6rem, 3.15rem);
  line-height: 1.24;
  font-weight: 700;
  letter-spacing: .005em;
  color: var(--c-primary);
  margin: 0 0 18px;
}
.article-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  align-items: center;
  border-top: 1px solid var(--c-border);
  padding-top: 18px;
  color: var(--c-muted);
  font-size: .88rem;
}
.article-meta-line span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta-line i { color: var(--c-accent); }
.article-meta-line .meta-important { color: var(--c-primary); font-weight: 600; }

.article-cover {
  margin: 0 0 28px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-soft);
  border: 1px solid var(--c-border);
}
.article-cover img { width: 100%; max-height: 400px; object-fit: cover; display: block; }

.article-content-shell {
  background: var(--bg-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: clamp(24px, 4vw, 56px);
}
.article-content {
  max-width: 780px;
  margin: 0 auto;
  font-size: 1.02rem;
  color: var(--c-text);
  line-height: 1.9;
}
.article-content :first-child { margin-top: 0; }
.article-content p { margin-top: 0; margin-bottom: 1.45em; }
.article-content h2 {
  font-family: var(--font-title);
  font-size: clamp(1.55rem, 1.6vw + .9rem, 2rem);
  color: var(--c-primary);
  margin: 2.2em 0 .85em;
  padding-bottom: .45em;
  border-bottom: 1px solid var(--c-border);
  line-height: 1.35;
}
.article-content h3 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  color: var(--c-primary);
  margin: 2em 0 .7em;
  line-height: 1.4;
}
.article-content h4 { font-size: 1.08rem; color: var(--c-primary); margin: 1.8em 0 .55em; }
.article-content ul, .article-content ol { margin: 0 0 1.45em; padding-left: 1.5em; }
.article-content li { margin-bottom: .42em; }
.article-content blockquote {
  margin: 1.8em 0;
  padding: 1rem 1.3rem;
  background: var(--bg-soft);
  border-left: 3px solid var(--c-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #3d4742;
  font-style: normal;
}
.article-content blockquote p { margin-bottom: .4em; }
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content a {
  color: var(--c-primary);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--c-accent);
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  transition: text-decoration-color .2s ease;
}
.article-content a:hover { text-decoration-color: var(--c-primary); }
.article-content img { border-radius: var(--radius-md); margin: 1.2em 0; }
.article-content figure { margin: 1.8em 0; }
.article-content figcaption { font-size: .82rem; color: var(--c-muted); text-align: center; margin-top: .6em; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: .94rem; }
.article-content th, .article-content td {
  padding: .7em .9em;
  border-bottom: 1px solid var(--c-border);
  text-align: left;
}
.article-content th { border-top: 1px solid var(--c-line-dark); border-bottom: 2px solid var(--c-line-dark); font-weight: 700; color: var(--c-primary); }
.article-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--bg-soft);
  border-radius: 4px;
  padding: .12em .4em;
  font-size: .88em;
  color: var(--c-primary);
}
.article-content pre {
  margin: 1.5em 0; padding: 1rem 1.2rem;
  background: var(--bg-deep);
  color: var(--deep-text);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: .9rem;
  line-height: 1.7;
}
.article-content pre code { background: transparent; color: inherit; padding: 0; font-size: inherit; }
.article-content hr { border: 0; border-top: 1px solid var(--c-border); margin: 2.4em 0; }

.article-nav-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 32px;
}
.guide-hint { font-size: .9rem; color: var(--c-muted); }
.guide-hint strong { color: var(--c-text); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  padding: .6rem 1.15rem;
  font-size: .92rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), background .28s var(--ease), color .28s var(--ease), border-color .28s var(--ease);
}
.btn:active { transform: translateY(0); }
.btn-main-oy { background: var(--c-accent); border-color: var(--c-accent); color: #172824; }
.btn-main-oy:hover { background: #b97f4d; border-color: #b97f4d; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 22px rgba(200,147,96,.35); }
.btn-dark-oy { background: var(--c-primary); border-color: var(--c-primary); color: var(--deep-text); }
.btn-dark-oy:hover { background: #152c27; border-color: #152c27; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 22px rgba(30,55,50,.24); }
.btn-line-oy { background: transparent; border-color: var(--c-line-dark); color: var(--c-primary); }
.btn-line-oy:hover { background: var(--c-primary); border-color: var(--c-primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }

/* not found */
.notfound-panel {
  background: var(--bg-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: clamp(34px, 6vw, 80px);
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}
.notfound-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--c-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin: 0 auto 22px;
}
.notfound-panel h1 {
  font-family: var(--font-title);
  color: var(--c-primary);
  font-size: clamp(2rem, 2.4vw + .8rem, 3rem);
  margin: .3em 0 .45em;
}
.notfound-panel p { color: var(--c-muted); max-width: 480px; margin: 0 auto 30px; }

/* footer */
.site-footer {
  flex: 0 0 auto;
  background: #F1EEE8;
  border-top: 1px solid var(--c-border);
  width: 100%;
}
.footer-top { padding: 56px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .9fr .8fr 1.1fr; gap: 30px; }
.footer-brand { font-family: var(--font-title); font-weight: 700; color: var(--c-primary); font-size: 1.25rem; display: inline-block; margin-bottom: 2px; }
.footer-domain { display: inline-block; font-size: .78rem; color: var(--c-muted); margin-left: 8px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.footer-about { margin-top: 14px; font-size: .86rem; color: var(--c-muted); line-height: 1.8; max-width: 310px; }
.footer-title { font-size: .94rem; font-weight: 700; color: var(--c-primary); margin: 0 0 13px; font-family: var(--font-title); letter-spacing: .04em; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { display: inline-block; padding: 2px 0; color: var(--c-muted); font-size: .88rem; transition: color .2s ease, transform .2s ease; }
.footer-links a:hover { color: var(--c-primary); transform: translateX(3px); }
.footer-contact p { font-size: .85rem; color: var(--c-muted); margin-bottom: 8px; line-height: 1.7; }
.footer-bottom { border-top: 1px solid var(--c-border); }
.footer-bottom .container-oy { padding-top: 18px; padding-bottom: 18px; font-size: .8rem; color: var(--c-muted); text-align: center; }
.footer-bottom .copy-domain { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--c-primary); }
.site-footer a { color: inherit; }

@media (min-width: 1200px) {
  :root { --sidebar-w: 296px; }
  .left-sidebar { width: var(--sidebar-w); }
}

@media (min-width: 992px) {
  .mobile-topbar, .mobile-drawer, .backdrop-layer { display: none; }
}

@media (max-width: 991.98px) {
  .left-sidebar { display: none; }
  .right-region { margin-left: 0; }
  .mobile-topbar {
    display: flex;
    position: sticky;
    top: 0;
  }
  .mobile-brand { display: flex; flex-direction: column; }
  .mobile-domain { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .66rem; color: var(--c-muted); }
  .article-main { padding: 24px 18px 30px; }
}

@media (max-width: 767.98px) {
  .article-nav-wrap { flex-direction: column; justify-content: center; }
  .article-nav-wrap .btn { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .article-heading-zone {
    padding: 22px;
  }
  .article-meta-line {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .article-content-shell { padding: 20px 16px; }
  .article-cover img { max-height: 240px; }
}

@media (max-width: 575.98px) {
  .container-oy { padding-left: 18px; padding-right: 18px; }
  .footer-grid { grid-template-columns: 1fr; }
  .article-main { padding: 18px 14px 24px; }
  .article-heading-zone h1 { font-size: 1.85rem; }
  .article-content { font-size: .98rem; }
  .btn { padding: .55rem .95rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
  a { transition: none !important; }
}

/* roulang page: category2 */
:root {
    --bg-page: #F7F5F1;
    --bg-surface: #FFFFFF;
    --bg-soft: #EEECE5;
    --bg-deep: #172824;
    --c-primary: #1E3732;
    --c-primary-light: #2e524a;
    --c-accent: #C89360;
    --c-text: #272B29;
    --c-muted: #707A75;
    --c-border: #E2DED4;
    --c-line-dark: #C9C2B6;
    --c-white-warm: #F4F2EC;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 15px;
    --shadow-card: 0 1px 2px rgba(23, 29, 27, .04), 0 8px 20px rgba(23, 29, 27, .06);
    --shadow-hover: 0 2px 4px rgba(23, 29, 27, .06), 0 16px 30px rgba(23, 29, 27, .1);
    --shadow-cta: 0 4px 12px rgba(200, 147, 96, .35);
    --transition: 0.3s cubic-bezier(.2, .75, .3, 1);
    --font-title: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", "Times New Roman", serif;
    --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --sidebar-w: 17.5rem;
}

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

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    margin: 0;
    font-family: var(--font-body);
    background-color: var(--bg-page);
    color: var(--c-text);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img {
    max-width: 100%;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color .2s ease;
}

a:hover {
    color: var(--c-primary);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-title);
    color: var(--c-primary);
    line-height: 1.25;
    margin: 0;
}

p {
    margin: 0;
}

button,
input {
    font-family: inherit;
}

.container-oy {
    max-width: 1320px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

.page-shell {
    min-height: 100vh;
}

.side-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--bg-surface);
    border-right: 1px solid var(--c-border);
    display: flex;
    flex-direction: column;
    z-index: 1050;
    transition: transform .3s var(--transition);
}

.brand-wrap {
    padding: 2.5rem 1.5rem 1.25rem;
    border-bottom: 1px solid var(--c-border);
}

.brand-logo {
    display: inline-block;
    font-family: var(--font-title);
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: .04em;
    color: var(--c-primary);
    line-height: 1.4;
    margin-bottom: .25rem;
}

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

.brand-domain {
    font-size: .8rem;
    color: var(--c-muted);
    letter-spacing: .04em;
}

.side-nav-inner {
    flex: 1;
    overflow-y: auto;
    padding: .75rem 1rem 1.5rem;
    scrollbar-width: thin;
    scrollbar-color: var(--c-line-dark) transparent;
}

.side-nav-inner::-webkit-scrollbar {
    width: 5px;
}

.side-nav-inner::-webkit-scrollbar-thumb {
    background: var(--c-line-dark);
    border-radius: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: .65rem;
    min-height: 44px;
    padding: .6rem .85rem;
    color: var(--c-text);
    font-size: .95rem;
    border-radius: var(--radius-sm);
    margin: 2px 0;
    font-weight: 400;
    border-left: 3px solid transparent;
    transition: background .2s, color .2s, border-color .2s;
}

.nav-item i {
    font-size: 1.05rem;
    color: var(--c-muted);
    transition: color .2s;
}

.nav-item:hover {
    background: var(--bg-soft);
    color: var(--c-primary);
}

.nav-item:hover i {
    color: var(--c-primary);
}

.nav-item.active {
    background: rgba(30, 55, 50, .06);
    border-left-color: var(--c-primary);
    color: var(--c-primary);
    font-weight: 700;
}

.nav-item.active i {
    color: var(--c-primary);
}

.nav-section-title {
    font-size: .72rem;
    letter-spacing: .22em;
    color: var(--c-muted);
    padding: 1.25rem .85rem .3rem;
    text-transform: uppercase;
}

.nav-item.disabled-link {
    opacity: .5;
    pointer-events: none;
}

.nav-disclaim {
    padding: 1rem .65rem .5rem;
    border-top: 1px solid var(--bg-soft);
    margin-top: auto;
    font-size: .75rem;
    color: var(--c-muted);
}

.content-wrapper {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
}

.top-mobile-bar {
    display: none;
    position: sticky;
    top: 0;
    z-index: 1020;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--c-border);
    padding: .75rem 1rem;
}

.mobile-brand {
    font-family: var(--font-title);
    font-weight: 800;
    color: var(--c-primary);
    font-size: 1.2rem;
}

.menu-toggle-btn {
    background: none;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    color: var(--c-primary);
    font-size: 1.35rem;
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-collapse {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1080;
    width: 300px;
    height: 100vh;
    background: var(--bg-surface);
    box-shadow: var(--shadow-hover);
    transform: translateX(-100%);
    transition: transform .32s var(--transition);
    overflow-y: auto;
    padding: 1rem;
}

.mobile-menu-collapse.open {
    transform: translateX(0);
}

.mobile-menu-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .75rem 0 1.25rem;
    border-bottom: 1px solid var(--c-border);
    margin-bottom: .75rem;
}

.mobile-close-btn {
    background: none;
    border: 0;
    font-size: 1.6rem;
    color: var(--c-muted);
    width: 40px;
    height: 40px;
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(23, 40, 36, .45);
    z-index: 1070;
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s;
}

.mobile-overlay.open {
    opacity: 1;
    visibility: visible;
}

.header-section {
    background: var(--bg-deep);
    color: var(--c-white-warm);
    padding: 6.5rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.header-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center 30%;
    opacity: .18;
}

.header-content {
    position: relative;
    z-index: 2;
    max-width: 1320px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 24px;
}

.crumb {
    display: flex;
    flex-wrap: wrap;
    gap: .3rem .75rem;
    font-size: .82rem;
    color: rgba(244, 242, 236, .7);
    margin-bottom: 2.25rem;
    align-items: center;
}

.crumb a {
    color: rgba(244, 242, 236, .75);
    transition: color .2s;
}

.crumb a:hover {
    color: var(--c-accent);
}

.crumb-sep {
    opacity: .5;
}

.header-section h1 {
    font-size: clamp(2.4rem, 4vw, 3.25rem);
    color: var(--c-white-warm);
    font-weight: 750;
    margin-bottom: 1.1rem;
    line-height: 1.2;
}

.header-section .h1-accent {
    color: var(--c-accent);
}

.header-desc {
    font-size: 1.05rem;
    color: rgba(244, 242, 236, .86);
    max-width: 760px;
    font-weight: 300;
    line-height: 1.9;
}

.header-meta-badges {
    display: flex;
    flex-wrap: wrap;
    gap: .7rem;
    margin-top: 2rem;
}

.badge-header {
    background: rgba(244, 242, 236, .12);
    border: 1px solid rgba(244, 242, 236, .2);
    border-radius: 40px;
    padding: .35rem 1rem;
    font-size: .8rem;
    letter-spacing: .06em;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}

.content-area-main {
    max-width: 1320px;
    margin-left: auto;
    margin-right: auto;
    padding: 4rem 24px 3rem;
}

.section-block {
    padding: clamp(4rem, 8vw, 6.5rem) 0;
}

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

.title-sup {
    font-size: .8rem;
    letter-spacing: .25em;
    color: var(--c-accent);
    margin-bottom: .75rem;
    text-transform: uppercase;
    font-weight: 600;
}

.section-title {
    font-size: clamp(1.8rem, 3.2vw, 2.5rem);
    font-weight: 800;
    margin-bottom: .65rem;
}

.section-lead {
    font-size: .95rem;
    color: var(--c-muted);
    max-width: 720px;
}

body.page-category2 .side-nav .nav-item[data-slug="version-info"] {
    background: rgba(30, 55, 50, .06);
    border-left-color: var(--c-primary);
    color: var(--c-primary);
    font-weight: 700;
}

/* 版本亮点特色区 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card-split {
    background: var(--bg-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform .3s var(--transition), box-shadow .3s;
}

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

.feature-img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    display: block;
}

.feature-body {
    padding: 1.5rem;
}

.feature-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: .4rem;
}

.feature-type {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    font-size: .72rem;
    color: var(--c-accent);
    letter-spacing: .14em;
    text-transform: uppercase;
    margin-bottom: .4rem;
    font-weight: 600;
}

.feature-text {
    color: var(--c-muted);
    font-size: .92rem;
    line-height: 1.8;
}

/* 更新日志时间线 */
.timeline-wrap {
    position: relative;
    padding-left: 2rem;
}

.timeline-wrap::before {
    content: "";
    position: absolute;
    width: 2px;
    top: .2rem;
    bottom: .2rem;
    left: 8px;
    background: var(--c-line-dark);
}

.tl-item {
    position: relative;
    margin-bottom: 2rem;
}

.tl-dot {
    position: absolute;
    width: 18px;
    height: 18px;
    left: -1.4rem;
    border-radius: 50%;
    background: var(--c-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    top: 1.1rem;
}

.tl-dot::after {
    content: "";
    position: absolute;
    width: 7px;
    height: 7px;
    background: #fff;
    border-radius: 50%;
}

.tl-card {
    background: var(--bg-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-card);
    transition: transform .3s, box-shadow .3s;
}

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

.tl-head {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem 1rem;
    align-items: center;
    margin-bottom: .5rem;
}

.tl-date {
    font-size: .9rem;
    color: var(--c-accent);
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}

.tl-ver {
    font-size: 1.02rem;
    font-weight: 750;
    color: var(--c-primary);
}

.tl-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.tl-list li {
    position: relative;
    padding-left: 1.15rem;
    color: var(--c-muted);
    font-size: .92rem;
    line-height: 1.85;
}

.tl-list li::before {
    content: "•";
    position: absolute;
    left: 2px;
    color: var(--c-accent);
    font-size: 1.1rem;
}

.version-info-note {
    background: var(--bg-soft);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    color: var(--c-muted);
    font-size: .95rem;
    margin-top: 2rem;
}

/* 版本对比表格样式 */
.table-modern {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    font-size: .92rem;
}

.table-modern th {
    background: var(--bg-deep);
    color: var(--c-white-warm);
    padding: 1rem 1.25rem;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
}

.table-modern td {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--bg-soft);
    color: var(--c-text);
    vertical-align: middle;
}

.table-modern tr:nth-child(even) td {
    background: rgba(247, 245, 241, .5);
}

.table-status {
    display: inline-block;
    padding: .15rem .7rem;
    border-radius: 30px;
    font-size: .76rem;
    border: 1px solid transparent;
}

.status-arrow {
    background: rgba(200, 147, 96, .15);
    color: #946530;
    border-color: rgba(200, 147, 96, .3);
}

.status-dev {
    background: rgba(30, 55, 50, .08);
    color: var(--c-primary);
    border-color: rgba(30, 55, 50, .2);
}

.status-low {
    background: #eef0f0;
    color: var(--c-muted);
    border-color: #dee0dd;
}

/* 发布节奏卡片 */
.rhythm-card {
    background: var(--bg-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: left;
    height: 100%;
    transition: transform .3s, box-shadow .3s;
    border-left: 4px solid var(--c-primary);
}

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

.rhythm-card .num {
    display: block;
    font-size: .95rem;
    letter-spacing: .08em;
    color: var(--c-accent);
    margin-bottom: .8rem;
}

.rhythm-card h3 {
    font-size: 1.3rem;
}

.rhythm-card p {
    color: var(--c-muted);
    font-size: .93rem;
    margin-top: .5rem;
    line-height: 1.8;
}

/* 常见疑问 */
.faq-box {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: .4rem 1.5rem;
    margin-bottom: .85rem;
    transition: border-color .3s;
}

.faq-box:hover {
    border-color: var(--c-primary);
}

.faq-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.15rem 0;
    cursor: pointer;
    user-select: none;
}

.faq-head h3 {
    font-size: 1.02rem;
    font-weight: 600;
    flex: 1;
    margin: 0;
    color: var(--c-text);
    line-height: 1.5;
}

.faq-icon {
    width: 26px;
    height: 26px;
    flex: 0 0 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--c-accent);
    transition: transform .25s var(--transition);
    font-size: 1.1rem;
}

.faq-box.open .faq-icon {
    transform: rotate(45deg);
}

.faq-body-wrap {
    overflow: hidden;
    max-height: 0;
    transition: max-height .3s var(--transition);
}

.faq-body {
    padding: 0 .5rem 1.25rem;
    color: var(--c-muted);
    font-size: .92rem;
    line-height: 1.9;
}

/* CTA 区块 */
.cta-banner {
    background: var(--bg-deep);
    border-radius: 18px;
    padding: 3.5rem 3rem;
    color: var(--c-white-warm);
    position: relative;
    overflow: hidden;
    margin: 3rem 0 0;
}

.cta-banner::after {
    content: "";
    position: absolute;
    right: -5%;
    bottom: -20%;
    width: 55%;
    aspect-ratio: 1;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    opacity: .1;
    transform: rotateZ(6deg);
}

.cta-banner .cta-content {
    position: relative;
    z-index: 2;
}

.cta-banner h2 {
    color: var(--c-white-warm);
    font-size: 2rem;
    font-weight: 750;
    margin-bottom: 1rem;
}

.cta-banner p {
    color: rgba(244, 242, 236, .8);
    margin-bottom: 2rem;
    max-width: 420px;
}

.btn-accent {
    background: var(--c-accent);
    color: #241a10;
    font-weight: 600;
    border: 1px solid var(--c-accent);
    padding: .8rem 2rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    box-shadow: var(--shadow-cta);
    min-height: 48px;
}

.btn-accent:hover,
.btn-accent:focus {
    background: #e0ae77;
    transform: translateY(-2px);
    color: #241a10;
    box-shadow: 0 8px 22px rgba(200, 147, 96, .4);
}

.btn-outline-green {
    border: 1px solid rgba(244, 242, 236, .5);
    background: transparent;
    padding: .8rem 1.6rem;
    border-radius: var(--radius-md);
    color: var(--c-white-warm);
    font-weight: 500;
    transition: var(--transition);
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}

.btn-outline-green:hover {
    background: rgba(244, 242, 236, .1);
    color: #fff;
}

/* 资讯列表区 */
.information-block {
    background: var(--bg-soft);
    border-radius: 20px;
    padding: 2.25rem;
}

.info-row-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.info-row-list li a {
    display: flex;
    align-items: flex-start;
    gap: 1.15rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(226, 222, 212, .8);
    color: var(--c-text);
    transition: background .2s;
    border-radius: var(--radius-sm);
}

.info-row-list li a:hover {
    background: rgba(255, 255, 255, .65);
    padding-left: .5rem;
}

.info-date {
    flex: 0 0 80px;
    font-size: .85rem;
    color: var(--c-muted);
    font-variant-numeric: tabular-nums;
}

.info-tit {
    font-weight: 500;
    flex: 1;
}

.info-tag {
    font-size: .72rem;
    padding: .2rem .65rem;
    border-radius: 20px;
    background: var(--bg-surface);
    color: var(--c-primary);
    border: 1px solid var(--c-border);
    flex: 0 0 auto;
    align-self: start;
}

/* footer */
.site-footer {
    background: #F8F6F2;
    border-top: 4px solid var(--bg-soft);
    margin-top: 3rem;
}

.footer-top {
    border-bottom: 1px solid var(--c-border);
    padding: 3.5rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
}

.footer-brand {
    display: block;
    font-family: var(--font-title);
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--c-primary);
    line-height: 1.4;
    margin-bottom: .15rem;
}

.footer-domain {
    display: block;
    font-size: .84rem;
    color: var(--c-muted);
    margin-bottom: 1.1rem;
}

.footer-about {
    font-size: .9rem;
    color: var(--c-muted);
    line-height: 1.85;
    max-width: 340px;
}

.footer-title {
    font-size: .95rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 1.1rem;
    letter-spacing: .05em;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: .5rem;
}

.footer-links a {
    color: var(--c-muted);
    font-size: .9rem;
    line-height: 1.8;
    transition: color .2s;
}

.footer-links a:hover {
    color: var(--c-primary);
    text-decoration: underline;
    text-underline-offset: 4px;
}

.footer-contact p {
    font-size: .88rem;
    color: var(--c-muted);
    line-height: 1.8;
    margin-bottom: .4rem;
}

.footer-bottom {
    padding: 1.2rem 0;
    font-size: .8rem;
    color: var(--c-muted);
    background: #F1EEE8;
}

.footer-bottom .copy-domain {
    color: var(--c-primary);
}

/* 大屏宽度 */
@media (min-width: 1600px) {
    :root {
        --sidebar-w: 18.5rem;
    }
}

/* 平板 */
@media (max-width: 1199.98px) and (min-width: 992px) {
    :root {
        --sidebar-w: 13.5rem;
    }

    .nav-item {
        font-size: .9rem;
        padding: .5rem .7rem;
    }

    .brand-logo {
        font-size: 1.2rem;
    }

    .brand-wrap {
        padding: 2rem 1rem 1rem;
    }
}

/* 移动端 */
@media (max-width: 991.98px) {
    .side-nav {
        display: none;
    }

    .content-wrapper {
        margin-left: 0;
    }

    .top-mobile-bar {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .header-section {
        padding: 3.5rem 1.25rem 3rem;
    }

    .header-content {
        padding: 0;
    }

    .content-area-main {
        padding: 2rem 16px;
    }

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

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

    .cta-banner {
        padding: 2.5rem 1.5rem;
        border-radius: 14px;
    }

    .cta-banner p {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 575.98px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .table-wrap {
        overflow-x: auto;
    }

    .table-modern {
        min-width: 600px;
    }

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

    .information-block {
        padding: 1.5rem 1.2rem;
    }

    .info-row-list li a {
        flex-wrap: wrap;
        gap: .3rem;
    }

    .info-tag {
        margin-left: 100px;
    }

    .badge-header {
        font-size: .75rem;
        padding: .35rem .8rem;
    }

    .header-section h1 {
        font-size: 2.1rem;
        word-break: break-word;
    }

    .section-block {
        padding: 3.5rem 0;
    }

    .header-section .header-desc {
        font-size: .95rem;
    }
}

@media (min-width: 992px) and (max-width: 1199px) {
    .footer-grid {
        grid-template-columns: 1.6fr 1fr 1fr 1.1fr;
        gap: 1.6rem;
    }
}

/* 手动加入 grid spacer 不产生样式损坏 */
.oy-grid-mb{
    display: block;
}

/* roulang page: category4 */
:root {
  --bg-page: #F7F5F1;
  --bg-surface: #FFFFFF;
  --bg-soft: #EEECE5;
  --bg-deep: #172824;
  --c-primary: #1E3732;
  --c-accent: #C89360;
  --c-text: #272B29;
  --c-muted: #707A75;
  --c-border: #E2DED4;
  --c-line-dark: #C9C2B6;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 1px 2px rgba(23,29,27,.04), 0 8px 20px rgba(23,29,27,.06);
  --shadow-hover: 0 10px 28px rgba(23,29,27,.10), 0 2px 6px rgba(23,29,27,.06);
  --font-serif: "Songti SC", "Noto Serif SC", SimSun, serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  --sidebar-w: 17.5rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-page);
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color .22s ease; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.layout-shell { display: flex; min-height: 100vh; }

.side-panel {
  flex: 0 0 var(--sidebar-w);
  width: var(--sidebar-w);
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  z-index: 1030;
  overflow-y: auto;
  padding: 1.5rem 1rem;
}
.brand-side { display: block; padding: .35rem .5rem 1rem; border-bottom: 1px solid var(--bg-soft); margin-bottom: 1rem; }
.brand-logo {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: .01em;
  color: var(--c-primary);
  line-height: 1.35;
}
.brand-logo:hover { color: var(--c-accent); }
.brand-domain {
  display: block;
  margin-top: .3rem;
  font-size: .72rem;
  color: var(--c-muted);
  letter-spacing: .02em;
  line-height: 1.4;
}

.side-nav { display: flex; flex-direction: column; }
.nav-section-title {
  font-size: .78rem;
  color: var(--c-muted);
  letter-spacing: .12em;
  padding: .55rem .85rem .3rem;
  margin-top: .35rem;
}
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: .7rem;
  min-height: 44px;
  padding: .6rem .9rem;
  border-radius: var(--radius-md);
  color: var(--c-text);
  font-size: .96rem;
  font-weight: 400;
  line-height: 1.4;
  transition: background .24s ease, color .24s ease, font-weight .24s ease;
}
.nav-item i { font-size: 1.02rem; width: 1.15rem; text-align: center; opacity: .85; }
.nav-item:hover { background: #F0EFEA; color: var(--c-primary); }
.nav-item:active { transform: translateY(.5px); }
.nav-item.active {
  background: rgba(30,55,50,.07);
  color: var(--c-primary);
  font-weight: 700;
  box-shadow: inset 3px 0 0 var(--c-accent);
}
.nav-item[aria-current="page"] { background: rgba(30,55,50,.08); }

.side-support {
  margin-top: auto;
  background: var(--bg-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1rem;
}
.side-support p { margin: 0 0 .8rem; font-size: .84rem; color: var(--c-muted); }
.side-support strong { display: block; margin-bottom: .4rem; font-size: .9rem; color: var(--c-primary); }
.side-support .btn-soft {
  display: inline-block;
  padding: .4rem .8rem;
  margin-right: .3rem;
  margin-top: .2rem;
  background: var(--bg-surface);
  border: 1px solid var(--c-line-dark);
  border-radius: var(--radius-sm);
  font-size: .8rem;
  color: var(--c-primary);
}
.side-support .btn-soft:hover { border-color: var(--c-primary); background: var(--c-primary); color: #fff; }

.page-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 1200;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--c-border);
  padding: .8rem 1rem;
  align-items: center;
  justify-content: space-between;
}
.mobile-brand { font-family: var(--font-serif); font-weight: 700; color: var(--c-primary); font-size: 1.12rem; }
.menu-toggle {
  background: var(--bg-page);
  border: 1px solid var(--c-line-dark);
  border-radius: var(--radius-md);
  width: 44px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--c-primary);
  font-size: 1.35rem;
}
.menu-toggle:hover { background: var(--bg-soft); }
.menu-toggle:active { transform: scale(.97); }

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: min(21rem, 86vw);
  height: 100vh;
  background: var(--bg-surface);
  z-index: 1300;
  box-shadow: var(--shadow-hover);
  padding: 1rem .85rem 1.5rem;
  transform: translateX(-105%);
  transition: transform .3s cubic-bezier(.2,.75,.3,1);
  overflow-y: auto;
}
body.drawer-open::after {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(18,22,20,.45);
  z-index: 1250;
  opacity: 1;
}
body.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .8rem;
}
.drawer-brand { font-family: var(--font-serif); font-weight: 700; color: var(--c-primary); font-size: 1.16rem; }
.drawer-close {
  width: 44px;
  height: 44px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  background: var(--bg-page);
  color: var(--c-primary);
}

.main-content { width: 100%; }
.page-container { max-width: 1320px; margin-inline: auto; padding-left: clamp(1.25rem, 4vw, 3.5rem); padding-right: clamp(1.25rem, 4vw, 3.5rem); }

.guide-hero {
  background:
    radial-gradient(circle at 84% 20%, rgba(200,147,96,.16), transparent 28%),
    linear-gradient(120deg, #edf0e8 0%, var(--bg-page) 46%, #f8efe3 100%);
  border-bottom: 1px solid var(--c-border);
  padding: clamp(3.5rem, 7vw, 6rem) 0 clamp(2.75rem, 5vw, 4rem);
  position: relative;
}
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  font-size: .82rem;
  color: var(--c-muted);
  margin-bottom: 2.2rem;
}
.crumb a:hover { color: var(--c-primary); }
.crumb .sep { opacity: .55; }
.crumb .current { color: var(--c-text); }

.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero-kicker {
  display: inline-block;
  font-size: .78rem;
  color: var(--c-primary);
  background: rgba(30,55,50,.08);
  border-radius: 999px;
  padding: .22rem .8rem;
  margin-bottom: 1rem;
  letter-spacing: .06em;
}
.hero-title {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: clamp(2.35rem, 4.2vw, 3.35rem);
  line-height: 1.18;
  color: var(--c-primary);
  letter-spacing: .01em;
}
.hero-title .highlight { color: var(--c-accent); }
.hero-lead {
  max-width: 760px;
  font-size: 1.02rem;
  line-height: 1.9;
  color: #3F4743;
  margin: 0 0 1.7rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: 2rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .78rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: .96rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .28s cubic-bezier(.2,.75,.3,1), box-shadow .28s ease, background .25s ease, color .25s ease, border-color .25s ease;
}
.btn:active { transform: translateY(1px); }
.btn-solid { background: var(--c-accent); border-color: var(--c-accent); color: #fff; box-shadow: 0 4px 14px rgba(200,147,96,.36); }
.btn-solid:hover { color: #fff; background: #B07C4D; transform: translateY(-2px); box-shadow: 0 8px 18px rgba(200,147,96,.3); }
.btn-primary-deep { background: var(--c-primary); color: #fff; box-shadow: 0 4px 14px rgba(30,55,50,.22); }
.btn-primary-deep:hover { background: #162B27; color: #fff; transform: translateY(-2px); box-shadow: 0 10px 22px rgba(23,40,36,.25); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--c-line-dark);
  color: var(--c-primary);
}
.btn-ghost:hover { border-color: var(--c-primary); background: rgba(30,55,50,.05); color: var(--c-primary); transform: translateY(-2px); }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: .3rem;
}
.meta-pill {
  background: var(--bg-surface);
  border: 1px solid var(--c-border);
  border-radius: 999px;
  padding: .42rem .95rem;
  font-size: .82rem;
  color: var(--c-muted);
  box-shadow: var(--shadow-card);
}
.meta-pill strong { color: var(--c-primary); font-weight: 600; }

.hero-panel {
  background: rgba(255, 255, 255, .8);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.3rem;
  backdrop-filter: blur(4px);
}
.panel-caption {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .88rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: .6rem;
}
.panel-caption i { color: var(--c-accent); }
.mini-flow { list-style: none; margin: 0; padding: 0; }
.mini-flow li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: .8rem;
  padding: .65rem .2rem;
  border-bottom: 1px dashed var(--c-border);
}
.mini-flow li:last-child { border-bottom: 0; }
.mini-flow span {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  background: var(--c-primary);
  color: #F7F2E8;
  font-size: .8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  margin-top: .25rem;
}
.mini-flow p { margin: 0; font-size: .89rem; color: var(--c-text); }
.mini-flow em { display: block; font-style: normal; color: var(--c-muted); font-size: .78rem; margin-top: .1rem; }

.jump-strip {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin: -1.1rem 0 0;
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--c-border);
  padding-bottom: 1rem;
}
.jump-strip a {
  background: var(--bg-surface);
  border: 1px solid var(--c-border);
  border-radius: 999px;
  padding: .35rem .85rem;
  font-size: .83rem;
  color: var(--c-muted);
  transition: all .22s ease;
}
.jump-strip a:hover { color: var(--c-primary); border-color: var(--c-primary); background: rgba(255,255,255,.8); transform: translateY(-1px); }

.section-space { padding: clamp(3rem, 6vw, 5rem) 0; }
.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 500;
  color: var(--c-accent);
  letter-spacing: .14em;
  margin-bottom: .25rem;
}
.section-head {
  max-width: 820px;
  margin-bottom: 2.4rem;
}
.section-kicker {
  font-size: .88rem;
  color: var(--c-accent);
  letter-spacing: .12em;
  margin-bottom: .3rem;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  line-height: 1.2;
  color: var(--c-primary);
  margin: 0 0 .6rem;
}
.section-intro { color: var(--c-muted); font-size: .98rem; margin: 0; max-width: 760px; }

.step-timeline { position: relative; list-style: none; margin: 0; padding: 0; }
.step-item {
  position: relative;
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  gap: clamp(1rem, 3vw, 2.2rem);
  padding: .2rem 0 2.2rem 1.1rem;
}
.step-item::before {
  content: "";
  position: absolute;
  left: calc(1.7rem - 2px);
  top: calc(3rem / 2 + 1.4rem);
  bottom: -.4rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--c-accent), rgba(200,147,96,.08));
}
.step-item:last-child::before { display: none; }
.step-index {
  width: 3.1rem;
  height: 3.1rem;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--c-border);
  color: var(--c-primary);
  font-weight: 700;
  font-family: var(--font-serif);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.12rem;
  box-shadow: var(--shadow-card);
  z-index: 1;
}
.step-body { padding-top: .2rem; }
.step-body h3 { margin: 0 0 .5rem; font-size: 1.2rem; font-weight: 700; color: var(--c-text); }
.step-body p { margin: 0; color: var(--c-muted); max-width: 680px; }
.step-body .step-tag {
  display: inline-block;
  background: rgba(200,147,96,.12);
  color: #9A6A3B;
  border-radius: 999px;
  padding: .15rem .7rem;
  font-size: .78rem;
  margin-bottom: .5rem;
}

.scene-block { margin-top: .25rem; }
.scene-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 2rem;
  transition: transform .3s cubic-bezier(.2,.75,.3,1), box-shadow .3s ease;
}
.scene-row:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.scene-media { min-height: 100%; }
.scene-media img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; transition: transform .5s cubic-bezier(.2,.75,.3,1); }
.scene-row:hover .scene-media img { transform: scale(1.03); }
.scene-copy { padding: clamp(1.6rem, 3vw, 2.6rem); display: flex; flex-direction: column; justify-content: center; }
.scene-copy h3 { font-size: 1.32rem; font-weight: 700; margin: 0 0 .7rem; color: var(--c-primary); }
.scene-copy p { color: var(--c-muted); margin: 0 0 1.3rem; max-width: 560px; }
.scene-list { list-style: none; margin: 0; padding: 0; }
.scene-list li { display: flex; gap: .7rem; align-items: flex-start; padding: .42rem 0; color: var(--c-text); font-size: .96rem; }
.scene-list li i { color: var(--c-accent); font-size: 1.02rem; line-height: 1.6; }
.scene-row:nth-child(even) .scene-media { order: 2; }
.scene-row:nth-child(even) .scene-copy { order: 1; }

.security-block {
  background: var(--bg-deep);
  border-radius: var(--radius-lg);
  color: #F4F2EC;
  padding: clamp(2rem, 5vw, 4rem);
  position: relative;
  overflow: hidden;
}
.security-block::after {
  content: "";
  position: absolute;
  right: -4rem;
  bottom: -6rem;
  width: 17rem;
  height: 17rem;
  border: 1px solid rgba(200,147,96,.3);
  border-radius: 50%;
}
.security-title {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  margin: 0 0 .9rem;
  color: #F4F2EC;
}
.security-sub { max-width: 720px; color: #AEBFB8; margin: 0 0 2rem; }
.security-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; position: relative; z-index: 1; }
.security-item {
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 1.45rem 1.3rem;
}
.security-item i { color: var(--c-accent); font-size: 1.4rem; display: block; margin-bottom: .7rem; }
.security-item h3 { color: #F4F2EC; font-size: 1.08rem; margin: 0 0 .5rem; }
.security-item p { margin: 0; font-size: .9rem; color: #B4C0BB; line-height: 1.8; }

.faq-section { background: var(--bg-surface); border-top: 1px solid var(--c-border); }
.faq-list { max-width: 900px; }
.faq-item { border-top: 1px solid var(--c-border); }
.faq-item:last-child { border-bottom: 1px solid var(--c-border); }
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  padding: 1.15rem .2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  color: var(--c-text);
  font-weight: 600;
  font-size: 1rem;
  transition: color .2s ease;
}
.faq-question:hover { color: var(--c-primary); }
.faq-marker {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  border: 1px solid var(--c-line-dark);
  position: relative;
  flex: 0 0 auto;
  transition: transform .28s ease, background .2s ease, border-color .2s ease;
}
.faq-marker::before, .faq-marker::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: .68rem;
  height: 1.5px;
  background: var(--c-primary);
  transform: translate(-50%, -50%);
}
.faq-marker::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item.open .faq-marker { transform: rotate(135deg); background: var(--c-primary); }
.faq-item.open .faq-marker::before, .faq-item.open .faq-marker::after { background: #fff; }
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s ease;
}
.faq-item.open .faq-answer { grid-template-rows: 1fr; }
.faq-answer-inner { overflow: hidden; }
.faq-answer p { padding: 0 .2rem 1.3rem; margin: 0; color: var(--c-muted); max-width: 780px; }

.cta-area { padding: clamp(3rem, 6vw, 5rem) 0; }
.cta-panel {
  background: linear-gradient(120deg, var(--bg-deep), #233B35);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(2.2rem, 5vw, 4rem);
}
.cta-panel h2 {
  font-family: var(--font-serif);
  color: #F4F2EC;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.25;
  margin: 0 0 .5rem;
}
.cta-panel p { color: #AFC1B9; max-width: 640px; margin: 0; }
.cta-actions { flex-shrink: 0; display: flex; flex-wrap: wrap; gap: .7rem; }

.site-footer { border-top: 1px solid var(--c-border); background: #EEECE5; margin-top: auto; }
.footer-top { padding: 3rem 0 2.2rem; }
.container-oy { max-width: 1320px; margin-inline: auto; padding: 0 clamp(1.25rem, 4vw, 3.5rem); }
.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.4fr; gap: 2.2rem; }
.footer-about-col .footer-brand {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-primary);
}
.footer-about-col .footer-domain { display: block; color: var(--c-muted); font-size: .8rem; margin-top: .2rem; }
.footer-about { font-size: .88rem; color: var(--c-muted); margin: .9rem 0 0; max-width: 360px; line-height: 1.85; }
.footer-title { color: var(--c-primary); font-weight: 700; margin: 0 0 .9rem; font-size: .93rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .35rem; }
.footer-links a { font-size: .88rem; color: var(--c-muted); }
.footer-links a:hover { color: var(--c-primary); }
.footer-contact p { font-size: .84rem; color: var(--c-muted); margin: 0 0 .5rem; }
.footer-bottom { border-top: 1px solid var(--c-border); padding: 1.2rem 0; color: var(--c-muted); font-size: .84rem; }
.copy-domain { color: var(--c-primary); }

@media (min-width: 1200px) {
  :root { --sidebar-w: 18.5rem; }
}
@media (min-width: 992px) and (max-width: 1199.98px) {
  :root { --sidebar-w: 13.5rem; }
  .side-panel { padding-right: .7rem; padding-left: .7rem; }
  .nav-item { padding: .55rem .7rem; font-size: .9rem; }
  .brand-logo { font-size: 1.1rem; }
}
@media (max-width: 991.98px) {
  .layout-shell { flex-direction: column; }
  .side-panel { display: none; }
  .mobile-header { display: flex; }
  .page-main { min-height: auto; }
  .main-content { margin-left: 0; }
  .scene-row, .hero-grid { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr 1fr; }
  .cta-panel { flex-direction: column; align-items: flex-start; }
  .cta-actions { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
  .security-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .step-item { grid-template-columns: 2.8rem 1fr; gap: .8rem; padding-left: .2rem; }
  .step-item::before { left: calc(1.4rem - 2px); }
  .step-index { width: 2.8rem; height: 2.8rem; font-size: 1rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.4rem; }
  .footer-top { padding-top: 2rem; }
  .scene-row:nth-child(even) .scene-media { order: 0; }
  .scene-row:nth-child(even) .scene-copy { order: 1; }
}
@media (max-width: 520px) {
  .hero-meta { flex-direction: column; }
  .meta-pill { border-radius: var(--radius-md); }
  .jump-strip a { flex: 1 1 auto; text-align: center; }
  .faq-question { font-size: .94rem; flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category3 */
:root{
  --bg-page:#F7F5F1;
  --bg-surface:#FFFFFF;
  --bg-soft:#EEECE5;
  --bg-deep:#172824;
  --bg-deep-2:#1E3732;
  --c-primary:#1E3732;
  --c-primary-soft:#2C4A42;
  --c-accent:#C89360;
  --c-accent-dark:#A9763F;
  --c-text:#272B29;
  --c-muted:#707A75;
  --c-border:#E2DED4;
  --c-line-dark:#C9C2B6;
  --c-cream:#F4F2EC;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --shadow-card:0 1px 2px rgba(23,29,27,.04), 0 8px 20px rgba(23,29,27,.06);
  --shadow-hover:0 2px 6px rgba(23,29,27,.06), 0 18px 38px rgba(23,29,27,.12);
  --shadow-cta:0 10px 26px rgba(200,147,96,.28);
  --font-title:"Noto Serif SC","Songti SC","SimSun","Source Han Serif SC",serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --side-w:17.5rem;
  --ease:cubic-bezier(.2,.75,.3,1);
  --section-gap:clamp(3.5rem,7vw,6rem);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-page);
  color:var(--c-text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{font-family:var(--font-title);color:var(--c-primary);line-height:1.2;margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0 0 1rem;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:4px;}

/* ---------- 布局外壳 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--bg-surface);
  border-right:1px solid var(--c-border);
  padding:30px 18px 26px;
  display:flex;
  flex-direction:column;
  gap:26px;
  overflow-y:auto;
  z-index:60;
  transition:transform .32s var(--ease);
}
.content{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column;}
.container-oy{width:100%;max-width:1280px;margin:0 auto;padding-left:clamp(24px,4vw,48px);padding-right:clamp(24px,4vw,48px);}

/* ---------- 品牌区 ---------- */
.brand{display:flex;flex-direction:column;gap:4px;padding:0 6px 20px;border-bottom:1px solid var(--c-border);}
.brand-mark{
  font-family:var(--font-title);
  font-weight:700;
  font-size:1.28rem;
  line-height:1.3;
  color:var(--c-primary);
  letter-spacing:.02em;
}
.brand-mark:hover{color:var(--c-accent-dark);}
.brand-domain{
  font-size:.76rem;
  letter-spacing:.16em;
  color:var(--c-muted);
  text-transform:lowercase;
}

/* ---------- 左侧导航 ---------- */
.side-nav{display:flex;flex-direction:column;gap:4px;}
.nav-section-title{
  font-size:.74rem;
  letter-spacing:.22em;
  color:var(--c-muted);
  padding:18px 12px 8px;
  border-top:1px solid var(--c-border);
  margin-top:12px;
  text-transform:uppercase;
}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:10px 12px 10px 14px;
  border-radius:var(--radius-sm);
  color:var(--c-text);
  font-size:.95rem;
  transition:background .22s var(--ease), color .22s var(--ease), padding-left .22s var(--ease);
}
.nav-item i{font-size:1rem;color:var(--c-muted);transition:color .22s var(--ease);}
.nav-item:hover{background:var(--bg-soft);color:var(--c-primary);}
.nav-item:hover i{color:var(--c-primary);}
.nav-item.active{
  background:#E9EFEC;
  color:var(--c-primary);
  font-weight:700;
  padding-left:18px;
}
.nav-item.active::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;
  width:3px;
  border-radius:2px;
  background:var(--c-primary);
}
.nav-item.active i{color:var(--c-primary);}

.side-foot{
  margin-top:auto;
  padding:18px 14px;
  background:var(--bg-soft);
  border-radius:var(--radius-md);
  border:1px solid var(--c-border);
}
.side-foot-title{
  font-size:.78rem;
  letter-spacing:.16em;
  color:var(--c-primary);
  font-weight:700;
  margin:0 0 8px;
}
.side-foot p{font-size:.82rem;line-height:1.75;color:var(--c-muted);margin:0 0 10px;}
.side-foot-domain{font-size:.74rem;letter-spacing:.14em;color:var(--c-line-dark);}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;
  position:sticky;top:0;z-index:70;
  align-items:center;justify-content:space-between;
  gap:12px;
  padding:12px 18px;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-border);
}
.mobile-brand{
  font-family:var(--font-title);
  font-weight:700;
  font-size:1.05rem;
  color:var(--c-primary);
}
.menu-toggle{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg-soft);
  border:1px solid var(--c-border);
  border-radius:var(--radius-sm);
  color:var(--c-primary);
  font-size:1.2rem;
  cursor:pointer;
  transition:background .22s var(--ease);
}
.menu-toggle:hover{background:#E3E0D6;}
.nav-backdrop{
  display:none;
  position:fixed;inset:0;
  background:rgba(23,40,36,.5);
  z-index:55;
  opacity:0;
  transition:opacity .3s var(--ease);
}
.nav-backdrop.show{display:block;opacity:1;}

/* ---------- 通用组件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;
  letter-spacing:.2em;
  color:var(--c-accent);
  font-weight:700;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-accent);display:inline-block;}
.section{padding:var(--section-gap) 0;}
.section-soft{background:var(--bg-soft);}
.section-head{margin-bottom:clamp(2rem,4vw,3rem);max-width:820px;}
.section-head h2{font-size:clamp(1.6rem,2.6vw,2.1rem);margin-bottom:12px;}
.section-head p{color:var(--c-muted);margin:0;max-width:760px;}
.section-head.on-dark h2{color:var(--c-cream);}
.section-head.on-dark p{color:rgba(244,242,236,.72);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:var(--radius-sm);
  font-weight:600;
  font-size:.95rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .26s var(--ease), background .26s var(--ease), box-shadow .26s var(--ease), border-color .26s var(--ease), color .26s var(--ease);
}
.btn-accent{background:var(--c-accent);color:#1B1510;box-shadow:var(--shadow-cta);}
.btn-accent:hover{background:var(--c-accent-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(169,118,63,.34);}
.btn-accent:active{transform:translateY(0);}
.btn-dark{background:var(--c-primary);color:var(--c-cream);}
.btn-dark:hover{background:var(--c-primary-soft);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-ghost{background:transparent;border-color:rgba(244,242,236,.38);color:var(--c-cream);}
.btn-ghost:hover{background:rgba(244,242,236,.1);border-color:rgba(244,242,236,.7);transform:translateY(-2px);}
.btn-line{background:transparent;border-color:var(--c-line-dark);color:var(--c-primary);}
.btn-line:hover{background:var(--bg-soft);border-color:var(--c-primary);transform:translateY(-2px);}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;
  font-size:.76rem;
  letter-spacing:.06em;
  border-radius:6px;
  background:var(--bg-soft);
  color:var(--c-primary-soft);
  border:1px solid var(--c-border);
}
.tag-accent{background:rgba(200,147,96,.14);border-color:rgba(200,147,96,.4);color:var(--c-accent-dark);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  background:var(--bg-deep) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:var(--c-cream);
  padding:clamp(3.5rem,7vw,5.5rem) 0 clamp(3rem,6vw,4.5rem);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(102deg, rgba(14,25,22,.95) 0%, rgba(14,25,22,.88) 46%, rgba(14,25,22,.6) 100%);
}
.page-hero .container-oy{position:relative;z-index:2;}
.page-hero h1{
  color:var(--c-cream);
  font-size:clamp(2.1rem,4.2vw,3.1rem);
  margin-bottom:20px;
  max-width:900px;
}
.page-hero .lead{
  color:rgba(244,242,236,.82);
  font-size:1.03rem;
  max-width:720px;
  line-height:1.9;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:0;
  border-top:1px solid rgba(244,242,236,.16);
  padding-top:24px;
}
.hero-meta-item{
  flex:1 1 180px;
  padding-right:24px;
  border-right:1px solid rgba(244,242,236,.12);
  margin-right:24px;
}
.hero-meta-item:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-meta-item dt{font-size:.76rem;letter-spacing:.16em;color:rgba(244,242,236,.6);margin-bottom:6px;}
.hero-meta-item dd{
  margin:0;
  font-family:var(--font-title);
  font-size:1.24rem;
  color:var(--c-cream);
  font-weight:700;
}

/* ---------- 本页内容锚点 ---------- */
.anchor-bar{
  background:var(--bg-surface);
  border-bottom:1px solid var(--c-border);
  padding:16px 0;
  position:sticky;top:0;z-index:40;
}
.anchor-inner{display:flex;align-items:center;flex-wrap:wrap;gap:10px;}
.anchor-label{font-size:.78rem;letter-spacing:.18em;color:var(--c-muted);margin-right:6px;}
.anchor-link{
  font-size:.88rem;
  padding:6px 12px;
  border-radius:6px;
  border:1px solid var(--c-border);
  color:var(--c-primary-soft);
  transition:background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}
.anchor-link:hover{background:var(--bg-soft);color:var(--c-primary);border-color:var(--c-line-dark);}

/* ---------- 规则面板 ---------- */
.rule-panel{
  background:var(--bg-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:clamp(1.6rem,3vw,2.4rem);
  height:100%;
  transition:box-shadow .3s var(--ease), transform .3s var(--ease);
}
.rule-panel:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.rule-panel h3{font-size:1.3rem;margin-bottom:18px;}
.rule-rows{display:flex;flex-direction:column;}
.rule-row{
  display:flex;justify-content:space-between;align-items:baseline;gap:18px;
  padding:15px 0;
  border-bottom:1px dashed var(--c-border);
}
.rule-row:last-child{border-bottom:0;padding-bottom:0;}
.rule-row dt{font-size:.9rem;color:var(--c-muted);flex:0 0 auto;}
.rule-row dd{
  margin:0;text-align:right;
  font-weight:600;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
}
.qualify-list{display:flex;flex-direction:column;gap:14px;}
.qualify-list li{
  display:flex;gap:12px;
  font-size:.95rem;
  color:var(--c-text);
}
.qualify-list li i{color:var(--c-accent);font-size:1rem;margin-top:5px;flex:0 0 auto;}

/* ---------- 流程时间线 ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:12px;
  width:1px;background:var(--c-line-dark);
}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-30px;top:8px;
  width:11px;height:11px;border-radius:50%;
  background:var(--bg-page);
  border:2px solid var(--c-accent);
}
.timeline-item h4{font-size:1.06rem;margin-bottom:8px;font-family:var(--font-body);font-weight:700;}
.timeline-item p{color:var(--c-muted);margin:0;max-width:640px;font-size:.95rem;}
.timeline-step{
  font-size:.76rem;letter-spacing:.18em;color:var(--c-accent-dark);font-weight:700;
  display:block;margin-bottom:6px;
}

/* ---------- 奖励区 ---------- */
.reward-figure{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--c-border);
  box-shadow:var(--shadow-card);
  background:var(--bg-surface);
}
.reward-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .34s var(--ease);}
.reward-figure:hover img{transform:scale(1.04);}
.reward-list{display:flex;flex-direction:column;gap:0;}
.reward-list li{
  display:flex;gap:16px;
  padding:18px 0;
  border-bottom:1px solid var(--c-border);
}
.reward-list li:first-child{padding-top:0;}
.reward-list li:last-child{border-bottom:0;padding-bottom:0;}
.reward-num{
  font-family:var(--font-title);
  font-size:1.05rem;
  color:var(--c-accent);
  font-weight:700;
  flex:0 0 34px;
  font-variant-numeric:tabular-nums;
}
.reward-list strong{display:block;color:var(--c-primary);margin-bottom:4px;font-size:1rem;}
.reward-list span{color:var(--c-muted);font-size:.93rem;}

/* ---------- 深色限制说明 ---------- */
.limit-section{
  background:var(--bg-deep);
  color:var(--c-cream);
}
.limit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:rgba(244,242,236,.14);border:1px solid rgba(244,242,236,.14);border-radius:var(--radius-lg);overflow:hidden;}
.limit-cell{
  background:var(--bg-deep);
  padding:clamp(1.4rem,2.6vw,2rem);
  transition:background .3s var(--ease);
}
.limit-cell:hover{background:#1C312B;}
.limit-cell .limit-idx{
  font-family:var(--font-title);
  font-size:1.5rem;
  color:var(--c-accent);
  display:block;
  margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.limit-cell h4{color:var(--c-cream);font-size:1.06rem;font-family:var(--font-body);font-weight:700;margin-bottom:10px;}
.limit-cell p{color:rgba(244,242,236,.72);font-size:.94rem;margin:0;line-height:1.85;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--c-border);}
.faq-item{border-bottom:1px solid var(--c-border);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;
  padding:22px 4px;
  text-align:left;
  cursor:pointer;
  color:var(--c-primary);
  font-size:1.02rem;
  font-weight:600;
  line-height:1.6;
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--c-accent-dark);}
.faq-icon{
  position:relative;width:16px;height:16px;flex:0 0 16px;
  transition:transform .3s var(--ease);
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:1px;}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{top:0;left:7px;width:2px;height:16px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:var(--c-accent-dark);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s var(--ease);
}
.faq-a-inner{padding:0 4px 24px;max-width:760px;}
.faq-a-inner p{color:var(--c-muted);font-size:.95rem;line-height:1.9;margin:0;}

/* ---------- CTA ---------- */
.cta-section{background:var(--bg-deep-2);color:var(--c-cream);}
.cta-box{
  border:1px solid rgba(244,242,236,.16);
  border-radius:var(--radius-lg);
  padding:clamp(1.8rem,4vw,3rem);
}
.cta-box h2{color:var(--c-cream);font-size:clamp(1.6rem,2.6vw,2rem);margin-bottom:14px;}
.cta-box p{color:rgba(244,242,236,.76);max-width:520px;}
.cta-note{font-size:.84rem;color:rgba(244,242,236,.58);margin-top:16px;}
.form-field{margin-bottom:16px;}
.form-field label{
  display:block;
  font-size:.82rem;
  letter-spacing:.1em;
  color:rgba(244,242,236,.7);
  margin-bottom:8px;
}
.form-control-oy{
  width:100%;
  padding:13px 16px;
  border-radius:var(--radius-sm);
  border:1px solid rgba(244,242,236,.24);
  background:#FFFFFF;
  color:var(--c-text);
  transition:border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.form-control-oy::placeholder{color:#9AA39E;}
.form-control-oy:focus{
  outline:none;
  border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(200,147,96,.22);
}
.form-submit{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--c-border);margin-top:auto;}
.footer-top{padding:clamp(2.6rem,5vw,4rem) 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:clamp(1.6rem,3vw,3rem);
}
.footer-brand{
  font-family:var(--font-title);
  font-weight:700;
  font-size:1.16rem;
  color:var(--c-primary);
  display:block;
  margin-bottom:4px;
}
.footer-domain{font-size:.76rem;letter-spacing:.16em;color:var(--c-muted);display:block;margin-bottom:16px;}
.footer-about{font-size:.9rem;color:var(--c-muted);line-height:1.85;margin:0;max-width:420px;}
.footer-title{font-size:.82rem;letter-spacing:.16em;color:var(--c-primary);font-weight:700;margin:0 0 16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:.92rem;color:var(--c-muted);transition:color .22s var(--ease), padding-left .22s var(--ease);}
.footer-links a:hover{color:var(--c-primary);padding-left:4px;}
.footer-contact p{font-size:.9rem;color:var(--c-muted);line-height:1.8;margin:0 0 10px;}
.footer-bottom{
  border-top:1px solid var(--c-border);
  padding:20px 0;
  font-size:.84rem;
  color:var(--c-muted);
}
.copy-domain{color:var(--c-primary-soft);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease), transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (min-width:1200px){:root{--side-w:18.5rem;}}
@media (min-width:992px) and (max-width:1199px){:root{--side-w:13.5rem;}}

@media (max-width:991px){
  .sidebar{
    transform:translateX(-102%);
    width:82vw;
    max-width:320px;
    box-shadow:0 0 40px rgba(23,40,36,.24);
  }
  .sidebar.open{transform:translateX(0);}
  .content{margin-left:0;}
  .mobile-bar{display:flex;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-about-col{grid-column:1 / -1;}
  .limit-grid{grid-template-columns:1fr;}
  .hero-meta-item{flex:1 1 45%;border-right:0;margin-right:0;padding-right:0;margin-bottom:20px;}
  .anchor-bar{position:static;}
}
@media (max-width:768px){
  .page-hero{padding:3rem 0 2.6rem;}
  .page-hero h1{font-size:1.95rem;}
  .footer-grid{grid-template-columns:1fr;}
  .anchor-inner{gap:8px;}
  .anchor-link{font-size:.84rem;padding:5px 10px;}
  .timeline{padding-left:28px;}
}
@media (max-width:520px){
  .container-oy{padding-left:18px;padding-right:18px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .rule-row{flex-direction:column;align-items:flex-start;gap:4px;}
  .rule-row dd{text-align:left;}
  .faq-q{font-size:.96rem;padding:18px 2px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}