/* roulang page: index */
:root {
  --color-primary: #1e2b26;
  --color-accent: #b8935a;
  --color-bg: #f7f4ef;
  --color-white: #ffffff;
  --color-text: #22211e;
  --color-text-secondary: #6b675f;
  --color-text-muted: #9a958b;
  --color-border: #e5dcc8;
  --color-border-light: #e5e2dc;
  --color-dark: #14171a;
  --font-display: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  --radius-card: 12px;
  --radius-btn: 6px;
  --radius-input: 8px;
  --radius-badge: 999px;
  --shadow-card: 0 1px 8px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
  --transition: 0.3s ease;
}
* ,*::before,*::after{
  box-sizing:border-box;margin:0;padding:0;
}
html{
  scroll-behavior:smooth;
}
body{
  font-family:var(--font-body);
  background-color:var(--color-bg);
  color:var(--color-text);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{
  max-width:100%;height:auto;display:block;
}
a{
  text-decoration:none;color:inherit;transition:var(--transition);
}
button{
  cursor:pointer;border:none;background:none;font-family:inherit;
}
input,button{
  font-family:inherit;
}
.container{
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
.section{
  padding:96px 0;
}
.section-header{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:48px;
}
.section-header h2{
  font-family:var(--font-display);
  font-size:clamp(1.75rem,3vw,2.5rem);
  font-weight:700;
  color:var(--color-text);
  line-height:1.3;
}
.section-header::after{
  content:'';
  flex:1;
  height:1px;
  background:var(--color-border-light);
  margin-left:32px;
  max-width:320px;
}
.section-link{
  font-size:0.875rem;
  color:var(--color-text-secondary);
  white-space:nowrap;
  border-bottom:1px solid var(--color-border);
  padding-bottom:4px;
}
.section-link:hover{
  color:var(--color-accent);
  border-color:var(--color-accent);
}
/* ===== Header ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  height:72px;
  z-index:1000;
  background:rgba(247,244,239,0.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background 0.3s ease,border-color 0.3s ease,box-shadow 0.3s ease;
}
.site-header.scrolled{
  background:rgba(247,244,239,0.98);
  border-bottom-color:var(--color-border-light);
  box-shadow:0 2px 16px rgba(0,0,0,0.04);
}
.nav-container{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-display);
  font-size:28px;
  font-weight:700;
  color:var(--color-text);
  line-height:1;
}
.logo-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  background:var(--color-accent);
  color:#fff;
  font-size:15px;
  border-radius:4px;
  font-family:var(--font-display);
  font-weight:700;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:32px;
}
.nav-link{
  font-size:14px;
  font-weight:500;
  color:var(--color-text);
  position:relative;
  padding-bottom:6px;
  letter-spacing:0.02em;
}
.nav-link:hover{
  color:var(--color-accent);
}
.nav-link.active{
  color:var(--color-accent);
}
.nav-link.active::after{
  content:'';
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--color-accent);
  border-radius:2px;
  animation:lineExpand 0.4s ease forwards;
}
@keyframes lineExpand{
  from{width:0}
  to{width:100%}
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:36px;
  padding:0 20px;
  background:var(--color-primary);
  color:var(--color-accent);
  font-size:14px;
  font-weight:600;
  border-radius:6px;
  letter-spacing:0.03em;
  transition:var(--transition);
}
.nav-cta:hover{
  background:var(--color-accent);
  color:var(--color-primary);
  transform:translateY(-1px);
}
.menu-toggle{
  display:none;
  flex-direction:column;
  gap:6px;
  width:40px;
  height:40px;
  align-items:center;
  justify-content:center;
  border-radius:6px;
  background:transparent;
  transition:var(--transition);
}
.menu-toggle span{
  display:block;
  width:22px;
  height:2px;
  background:var(--color-text);
  border-radius:2px;
  transition:var(--transition);
}
.menu-toggle.open span:first-child{
  transform:rotate(45deg) translate(5px,5px);
}
.menu-toggle.open span:last-child{
  transform:rotate(-45deg) translate(5px,-5px);
}
/* Mobile drawer */
.mobile-drawer{
  position:fixed;
  top:72px;
  left:0;right:0;
  background:var(--color-bg);
  padding:24px 0;
  border-bottom:1px solid var(--color-border-light);
  z-index:999;
  transform:translateY(-100%);
  pointer-events:none;
  transition:transform 0.3s ease;
}
.mobile-drawer.open{
  transform:translateY(0);
  pointer-events:auto;
}
.mobile-drawer a{
  display:block;
  padding:14px 32px;
  font-size:18px;
  font-weight:500;
  color:var(--color-text);
  border-bottom:1px solid var(--color-border-light);
}
.mobile-drawer a:last-child{
  border-bottom:none;
}
.mobile-drawer a.active{
  color:var(--color-accent);
}
.mobile-drawer .nav-cta-mobile{
  margin:16px 32px 8px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  background:var(--color-primary);
  color:var(--color-accent);
  font-weight:600;
  border-radius:6px;
}
/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:80vh;
  display:flex;
  align-items:center;
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(30,43,38,0.88) 0%,rgba(20,23,26,0.65) 100%);
  z-index:1;
}
.hero-content{
  position:relative;
  z-index:2;
  padding:120px 0 80px;
  max-width:760px;
}
.hero h1{
  font-family:var(--font-display);
  font-size:clamp(2.75rem,6vw,4.5rem);
  font-weight:800;
  color:#fff;
  line-height:1.1;
  letter-spacing:-0.01em;
  animation:fadeUp 0.8s ease both;
}
.hero-subtitle{
  font-size:18px;
  color:#c9c2b5;
  max-width:480px;
  margin-top:24px;
  line-height:1.7;
  animation:fadeUp 0.8s 0.1s ease both;
}
.hero-actions{
  margin-top:40px;
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  animation:fadeUp 0.8s 0.2s ease both;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:600;
  border-radius:var(--radius-btn);
  transition:var(--transition);
  letter-spacing:0.02em;
}
.btn-primary{
  height:48px;
  padding:0 36px;
  background:var(--color-accent);
  color:var(--color-primary);
  font-size:15px;
}
.btn-primary:hover{
  background:var(--color-primary);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(0,0,0,0.15);
}
.btn-outline{
  height:48px;
  padding:0 36px;
  background:transparent;
  border:1px solid rgba(255,255,255,0.6);
  color:#fff;
  font-size:15px;
}
.btn-outline:hover{
  background:#fff;
  color:var(--color-primary);
  border-color:#fff;
  transform:translateY(-2px);
}
.hero-stats{
  display:flex;
  margin-top:64px;
  padding-top:32px;
  border-top:1px solid rgba(255,255,255,0.18);
  animation:fadeUp 0.8s 0.3s ease both;
}
.hero-stat{
  padding:0 32px;
  position:relative;
}
.hero-stat:first-child{
  padding-left:0;
}
.hero-stat:not(:last-child)::after{
  content:'';
  position:absolute;
  right:0;
  top:8px;
  bottom:8px;
  width:1px;
  background:rgba(184,147,90,0.5);
}
.hero-stat .num{
  font-family:Georgia,'Times New Roman',serif;
  font-size:32px;
  font-weight:700;
  color:#fff;
  line-height:1.1;
  display:block;
}
.hero-stat .label{
  font-size:13px;
  color:#a8a29a;
  margin-top:6px;
  letter-spacing:0.05em;
}
@keyframes fadeUp{
  from{
    opacity:0;
    transform:translateY(24px);
  }
  to{
    opacity:1;
    transform:translateY(0);
  }
}
@media (prefers-reduced-motion:reduce){
  .hero h1,.hero-subtitle,.hero-actions,.hero-stats{
    animation:none;
  }
}
/* ===== Features ===== */
.features-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:32px;
}
.feature-card{
  background:var(--color-white);
  border-radius:var(--radius-card);
  padding:32px;
  box-shadow:var(--shadow-card);
  border:1px solid var(--color-border-light);
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
  border-color:var(--color-border);
}
.feature-num{
  font-family:Georgia,serif;
  font-size:56px;
  font-weight:700;
  color:var(--color-accent);
  opacity:0.35;
  line-height:1;
  display:block;
  position:absolute;
  top:20px;
  right:24px;
}
.feature-card h3{
  font-family:var(--font-display);
  font-size:1.25rem;
  font-weight:700;
  color:var(--color-text);
  margin-bottom:10px;
  padding-right:60px;
  position:relative;
  z-index:1;
}
.feature-card p{
  font-size:0.9375rem;
  color:var(--color-text-secondary);
  line-height:1.7;
  margin-bottom:24px;
  padding-right:20px;
}
.feature-img{
  border-radius:8px;
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--color-bg);
}
.feature-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 0.6s ease;
}
.feature-card:hover .feature-img img{
  transform:scale(1.04);
}
/* ===== Timeline ===== */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  position:relative;
}
.timeline::before{
  content:'';
  position:absolute;
  top:24px;
  left:8%;
  right:8%;
  height:1px;
  border-top:1px dashed var(--color-border);
}
.timeline-item{
  padding:0 20px;
  position:relative;
  text-align:center;
}
.timeline-dot{
  width:14px;
  height:14px;
  background:var(--color-accent);
  border-radius:50%;
  margin:0 auto 24px;
  position:relative;
  z-index:1;
  box-shadow:0 0 0 4px rgba(184,147,90,0.2);
}
.timeline-img{
  border-radius:12px;
  overflow:hidden;
  aspect-ratio:16/9;
  margin-bottom:20px;
  background:var(--color-bg);
}
.timeline-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 0.5s ease;
}
.timeline-item:hover .timeline-img img{
  transform:scale(1.04);
}
.timeline-item h3{
  font-family:var(--font-display);
  font-size:1.125rem;
  font-weight:700;
  color:var(--color-text);
  margin-bottom:8px;
}
.timeline-item p{
  font-size:0.875rem;
  color:var(--color-text-secondary);
  line-height:1.65;
}
/* ===== Cases ===== */
.cases-layout{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.cases-left{
  display:flex;
  flex-direction:column;
  gap:32px;
}
.case-item{
  background:var(--color-white);
  border-radius:var(--radius-card);
  padding:32px;
  box-shadow:var(--shadow-card);
  border-left:3px solid var(--color-accent);
  transition:var(--transition);
}
.case-item:hover{
  box-shadow:var(--shadow-card-hover);
  transform:translateY(-2px);
}
.case-tag{
  font-size:0.75rem;
  color:var(--color-accent);
  font-weight:600;
  letter-spacing:0.06em;
  text-transform:uppercase;
}
.case-item h3{
  font-family:var(--font-display);
  font-size:1.25rem;
  font-weight:700;
  color:var(--color-text);
  margin:8px 0 10px;
}
.case-item p{
  font-size:0.9375rem;
  color:var(--color-text-secondary);
  line-height:1.7;
}
.case-metric-row{
  display:flex;
  align-items:baseline;
  gap:8px;
  margin-top:12px;
  font-size:0.875rem;
  color:var(--color-text-muted);
}
.case-metric-row strong{
  font-family:Georgia,serif;
  font-size:1.5rem;
  color:var(--color-primary);
  font-weight:700;
}
.cases-right{
  display:flex;
  flex-direction:column;
  gap:40px;
  background:var(--color-primary);
  border-radius:var(--radius-card);
  padding:56px 48px;
  box-shadow:0 20px 48px rgba(0,0,0,0.12);
}
.case-metric{
  border-bottom:1px solid rgba(255,255,255,0.1);
  padding-bottom:24px;
}
.case-metric:last-child{
  border-bottom:none;
  padding-bottom:0;
}
.case-metric .num{
  font-family:Georgia,'Times New Roman',serif;
  font-size:56px;
  font-weight:700;
  color:var(--color-accent);
  line-height:1;
  display:block;
}
.case-metric .text{
  font-size:14px;
  color:rgba(255,255,255,0.75);
  margin-top:8px;
  letter-spacing:0.03em;
}
/* ===== Pricing ===== */
.pricing-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
  align-items:stretch;
}
.pricing-card{
  background:var(--color-white);
  border-radius:var(--radius-card);
  padding:40px 32px;
  box-shadow:var(--shadow-card);
  border:1px solid var(--color-border-light);
  position:relative;
  transition:var(--transition);
  display:flex;
  flex-direction:column;
}
.pricing-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
  border-color:var(--color-border);
}
.pricing-card.recommended{
  border:2px solid var(--color-accent);
  box-shadow:0 16px 40px rgba(184,147,90,0.18);
}
.pricing-badge{
  position:absolute;
  top:-14px;
  left:50%;
  transform:translateX(-50%);
  background:var(--color-accent);
  color:var(--color-primary);
  font-size:12px;
  font-weight:700;
  padding:4px 18px;
  border-radius:var(--radius-badge);
  letter-spacing:0.05em;
  white-space:nowrap;
}
.pricing-name{
  font-family:var(--font-display);
  font-size:1.25rem;
  font-weight:700;
  color:var(--color-text);
  margin-bottom:8px;
}
.pricing-desc{
  font-size:0.875rem;
  color:var(--color-text-secondary);
  line-height:1.6;
  margin-bottom:24px;
}
.pricing-price{
  font-family:Georgia,'Times New Roman',serif;
  font-size:48px;
  font-weight:700;
  color:var(--color-primary);
  line-height:1;
  margin-bottom:4px;
}
.pricing-price small{
  font-size:16px;
  font-family:var(--font-body);
  color:var(--color-text-muted);
  font-weight:400;
}
.pricing-period{
  font-size:13px;
  color:var(--color-text-muted);
  margin-bottom:28px;
}
.pricing-features{
  list-style:none;
  margin-bottom:32px;
  flex:1;
}
.pricing-features li{
  font-size:0.9375rem;
  color:var(--color-text-secondary);
  padding:8px 0;
  border-bottom:1px solid var(--color-border-light);
  display:flex;
  align-items:center;
  gap:10px;
}
.pricing-features li:last-child{
  border-bottom:none;
}
.pricing-features li::before{
  content:'';
  width:6px;
  height:6px;
  background:var(--color-accent);
  border-radius:50%;
  flex-shrink:0;
}
.btn-pricing{
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius-btn);
  font-weight:600;
  font-size:14px;
  transition:var(--transition);
}
.btn-pricing-solid{
  background:var(--color-primary);
  color:var(--color-accent);
}
.btn-pricing-solid:hover{
  background:var(--color-accent);
  color:var(--color-primary);
  transform:translateY(-2px);
}
.btn-pricing-outline{
  border:1px solid var(--color-primary);
  color:var(--color-primary);
}
.btn-pricing-outline:hover{
  background:var(--color-primary);
  color:#fff;
  transform:translateY(-2px);
}
/* ===== Latest Info ===== */
.news-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.news-item{
  display:flex;
  align-items:center;
  background:var(--color-white);
  border-radius:var(--radius-card);
  padding:20px 24px;
  box-shadow:var(--shadow-card);
  border:1px solid var(--color-border-light);
  transition:var(--transition);
  gap:20px;
}
.news-item:hover{
  box-shadow:var(--shadow-card-hover);
  transform:translateX(4px);
  border-color:var(--color-border);
}
.news-item:hover .news-date{
  background:var(--color-accent);
  color:#fff;
}
.news-item:hover .news-info h3{
  color:var(--color-accent);
}
.news-date{
  width:64px;
  min-width:64px;
  height:64px;
  background:var(--color-bg);
  border-radius:10px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  border:1px solid var(--color-border-light);
  transition:var(--transition);
  text-align:center;
}
.news-date .day{
  font-family:Georgia,serif;
  font-size:26px;
  font-weight:700;
  line-height:1;
  color:var(--color-primary);
  transition:var(--transition);
}
.news-date .month{
  font-size:12px;
  color:var(--color-text-muted);
  margin-top:4px;
  transition:var(--transition);
}
.news-item:hover .news-date .day,
.news-item:hover .news-date .month{
  color:#fff;
}
.news-info{
  flex:1;
  min-width:0;
}
.news-info h3{
  font-family:var(--font-display);
  font-size:1.125rem;
  font-weight:700;
  color:var(--color-text);
  margin-bottom:6px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  transition:var(--transition);
}
.news-info p{
  font-size:0.875rem;
  color:var(--color-text-secondary);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-badge{
  display:inline-flex;
  align-items:center;
  padding:5px 14px;
  background:var(--color-bg);
  border:1px solid var(--color-border-light);
  color:var(--color-text-secondary);
  font-size:12px;
  border-radius:var(--radius-badge);
  white-space:nowrap;
  flex-shrink:0;
  transition:var(--transition);
}
.news-item:hover .news-badge{
  border-color:var(--color-accent);
  color:var(--color-accent);
}
.empty-state{
  background:var(--color-bg);
  border:1px dashed var(--color-border);
  border-radius:var(--radius-card);
  padding:64px 32px;
  text-align:center;
  color:var(--color-text-muted);
  font-size:15px;
}
/* ===== FAQ ===== */
.faq-list{
  max-width:900px;
  margin:0 auto;
}
.faq-item{
  background:var(--color-white);
  border:1px solid var(--color-border-light);
  border-radius:8px;
  margin-bottom:16px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{
  border-color:var(--color-border);
}
.faq-question{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  padding:24px;
  font-size:17px;
  font-weight:600;
  color:var(--color-text);
  text-align:left;
  background:transparent;
  transition:var(--transition);
}
.faq-question::after{
  content:'+';
  font-size:24px;
  color:var(--color-accent);
  font-weight:400;
  transition:transform 0.3s ease;
  flex-shrink:0;
  margin-left:16px;
}
.faq-item.active .faq-question::after{
  transform:rotate(45deg);
}
.faq-answer{
  display:none;
  padding:0 24px 24px;
  border-left:3px solid var(--color-accent);
  margin-left:24px;
}
.faq-item.active .faq-answer{
  display:block;
}
.faq-answer p{
  font-size:0.9375rem;
  color:var(--color-text-secondary);
  line-height:1.75;
}
/* ===== CTA Banner ===== */
.cta-banner{
  background:var(--color-dark);
  padding:96px 0;
  position:relative;
  overflow:hidden;
}
.cta-banner::before{
  content:'';
  position:absolute;
  top:-40%;
  right:-10%;
  width:500px;
  height:500px;
  background:radial-gradient(circle,rgba(184,147,90,0.12) 0%,transparent 70%);
  pointer-events:none;
}
.cta-inner{
  text-align:center;
  position:relative;
  z-index:1;
}
.cta-inner h2{
  font-family:var(--font-display);
  font-size:clamp(1.75rem,3vw,2.5rem);
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.cta-inner p{
  font-size:16px;
  color:rgba(255,255,255,0.7);
  max-width:480px;
  margin:0 auto 36px;
  line-height:1.7;
}
.btn-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:50px;
  padding:0 44px;
  background:transparent;
  border:1px solid var(--color-accent);
  color:var(--color-accent);
  font-weight:600;
  font-size:16px;
  border-radius:var(--radius-btn);
  transition:var(--transition);
  letter-spacing:0.04em;
}
.btn-cta:hover{
  background:var(--color-accent);
  color:var(--color-dark);
  transform:translateY(-2px);
  box-shadow:0 8px 28px rgba(184,147,90,0.25);
}
/* ===== Footer ===== */
.site-footer{
  background:var(--color-dark);
  color:rgba(255,255,255,0.75);
  padding-top:72px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.4fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-brand .logo{
  color:#fff;
  margin-bottom:16px;
}
.footer-brand p{
  font-size:0.875rem;
  line-height:1.7;
  color:rgba(255,255,255,0.55);
  max-width:280px;
}
.footer-col h4{
  font-family:var(--font-display);
  font-size:1rem;
  font-weight:700;
  color:#fff;
  margin-bottom:20px;
  position:relative;
  padding-bottom:10px;
}
.footer-col h4::after{
  content:'';
  position:absolute;
  left:0;
  bottom:0;
  width:24px;
  height:2px;
  background:var(--color-accent);
}
.footer-col a{
  display:block;
  font-size:0.875rem;
  color:rgba(255,255,255,0.55);
  padding:6px 0;
  transition:var(--transition);
}
.footer-col a:hover{
  color:var(--color-accent);
  padding-left:6px;
}
.footer-subscribe p{
  font-size:0.875rem;
  color:rgba(255,255,255,0.55);
  margin-bottom:16px;
  line-height:1.6;
}
.footer-form{
  display:flex;
  gap:8px;
}
.footer-form input{
  flex:1;
  height:44px;
  border:1px solid rgba(255,255,255,0.15);
  background:rgba(255,255,255,0.06);
  border-radius:var(--radius-input);
  padding:0 16px;
  color:#fff;
  font-size:14px;
  outline:none;
  transition:var(--transition);
}
.footer-form input::placeholder{
  color:rgba(255,255,255,0.3);
}
.footer-form input:focus{
  border-color:var(--color-accent);
  box-shadow:0 0 0 3px rgba(184,147,90,0.15);
}
.footer-form button{
  height:44px;
  padding:0 24px;
  background:var(--color-accent);
  color:var(--color-primary);
  border-radius:var(--radius-btn);
  font-weight:600;
  font-size:14px;
  transition:var(--transition);
  white-space:nowrap;
}
.footer-form button:hover{
  background:var(--color-primary);
  color:#fff;
  border:1px solid var(--color-accent);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:24px 0;
  text-align:center;
  font-size:0.8125rem;
  color:rgba(255,255,255,0.4);
}
.footer-bottom .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
}
.footer-bottom a{
  color:rgba(255,255,255,0.5);
}
.footer-bottom a:hover{
  color:var(--color-accent);
}
/* ===== Responsive ===== */
@media (max-width:1023px){
  .section{
    padding:64px 0;
  }
  .features-grid{
    grid-template-columns:1fr 1fr;
    gap:20px;
  }
  .timeline{
    grid-template-columns:1fr 1fr;
    gap:40px 0;
  }
  .timeline::before{
    display:none;
  }
  .timeline-item{
    text-align:left;
    padding:0 10px;
  }
  .timeline-dot{
    margin:0 0 16px;
  }
  .cases-layout{
    grid-template-columns:1fr;
    gap:40px;
  }
  .pricing-grid{
    gap:16px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
  .hero-subtitle{
    max-width:100%;
  }
  .section-header{
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
  }
  .section-header::after{
    display:none;
  }
}
@media (max-width:767px){
  .main-nav{
    display:none;
  }
  .menu-toggle{
    display:flex;
  }
  .section{
    padding:56px 0;
  }
  .features-grid{
    grid-template-columns:1fr;
    gap:16px;
  }
  .timeline{
    grid-template-columns:1fr;
    gap:32px 0;
  }
  .pricing-grid{
    grid-template-columns:1fr;
    gap:24px;
    max-width:420px;
    margin:0 auto;
  }
  .hero-actions{
    flex-direction:column;
    align-items:stretch;
  }
  .btn-primary,.btn-outline{
    width:100%;
    text-align:center;
  }
  .hero-stats{
    flex-direction:column;
    gap:24px;
  }
  .hero-stat{
    padding:0;
  }
  .hero-stat:not(:last-child)::after{
    display:none;
  }
  .news-item{
    flex-direction:row;
    padding:16px;
    gap:12px;
  }
  .news-date{
    display:none;
  }
  .news-badge{
    display:none;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .footer-bottom .container{
    flex-direction:column;
    text-align:center;
  }
  .footer-form{
    flex-direction:column;
  }
  .footer-form button{
    width:100%;
  }
  .case-item{
    padding:24px;
  }
  .cases-right{
    padding:40px 28px;
  }
  .pricing-card{
    padding:32px 24px;
  }
}

/* roulang page: category1 */
/* ===== 设计变量与重置 ===== */
    :root {
      --color-primary: #1e2b26;
      --color-primary-dark: #14171a;
      --color-accent: #b8935a;
      --color-accent-dark: #9a7b45;
      --color-accent-light: #eadfcf;
      --color-bg: #f7f4ef;
      --color-surface: #ffffff;
      --color-text: #22211e;
      --color-text-secondary: #6b675f;
      --color-text-muted: #9a958b;
      --color-border: #e5e2dc;
      --color-border-gold: #e5dcc8;
      --color-footer-bg: #14171a;
      --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
      --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --radius-card: 12px;
      --radius-btn: 6px;
      --radius-input: 8px;
      --shadow-card: 0 1px 8px rgba(0, 0, 0, 0.04);
      --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
      --container: 1280px;
      --section-gap-desktop: 96px;
      --section-gap-mobile: 64px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-body);
      background: var(--color-bg);
      color: var(--color-text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .3s ease;
    }

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

    button {
      font-family: inherit;
      cursor: pointer;
    }

    input {
      font-family: inherit;
    }

    .container {
      max-width: var(--container);
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .section {
      padding-top: var(--section-gap-desktop);
      padding-bottom: var(--section-gap-desktop);
    }

    /* ===== 顶部导航 ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 72px;
      z-index: 100;
      background: rgba(247, 244, 239, 0.92);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid transparent;
      transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
    }

    .site-header.is-scrolled {
      background: var(--color-bg);
      border-color: rgba(0, 0, 0, 0.06);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-family: var(--font-display);
      font-size: 28px;
      font-weight: 700;
      color: var(--color-text);
      line-height: 1;
    }

    .logo-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      border-radius: 4px;
      background: var(--color-accent);
      color: var(--color-primary);
      font-size: 15px;
      font-weight: 700;
    }

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

    .nav-link {
      position: relative;
      font-size: 14px;
      font-weight: 500;
      color: var(--color-text);
      padding: 8px 0;
      transition: color .3s ease;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      background: var(--color-accent);
      transition: width .3s ease;
    }

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

    .nav-link:hover::after,
    .nav-link.active::after {
      width: 100%;
    }

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

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 36px;
      padding: 0 20px;
      background: var(--color-primary);
      color: var(--color-accent);
      border-radius: var(--radius-btn);
      font-size: 14px;
      font-weight: 600;
      transition: background .3s ease, color .3s ease, transform .3s ease;
    }

    .nav-cta:hover {
      background: #0f1a16;
      color: #d4b87e;
      transform: translateY(-1px);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      flex-direction: column;
      gap: 6px;
    }

    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--color-text);
      transition: transform .3s ease;
    }

    .menu-toggle.is-active span:nth-child(1) {
      transform: translateY(4px) rotate(45deg);
    }

    .menu-toggle.is-active span:nth-child(2) {
      transform: translateY(-4px) rotate(-45deg);
    }

    /* ===== 通用按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 48px;
      padding: 0 36px;
      border-radius: var(--radius-btn);
      font-size: 15px;
      font-weight: 600;
      border: 1px solid transparent;
      transition: background .3s ease, color .3s ease, transform .3s ease, box-shadow .3s ease;
    }

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

    .btn-primary:hover {
      background: var(--color-primary);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    }

    .btn-outline {
      border-color: rgba(255, 255, 255, 0.6);
      color: #fff;
    }

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

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

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

    .btn:focus-visible,
    .nav-cta:focus-visible,
    .faq-question:focus-visible,
    .logo:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 3px;
    }

    /* ===== 分类页 Hero ===== */
    .cat-hero {
      position: relative;
      min-height: 72vh;
      display: flex;
      align-items: center;
      background-size: cover;
      background-position: center;
      color: #fff;
      padding-top: 120px;
      padding-bottom: 80px;
    }

    .cat-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(30, 43, 38, 0.94) 0%, rgba(20, 23, 26, 0.78) 100%);
    }

    .cat-hero .container {
      position: relative;
      z-index: 2;
    }

    .cat-hero-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 64px;
      align-items: center;
    }

    .cat-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-size: 13px;
      letter-spacing: 0.18em;
      color: var(--color-accent);
      margin-bottom: 16px;
    }

    .cat-eyebrow::before {
      content: "";
      width: 28px;
      height: 1px;
      background: var(--color-accent);
    }

    .cat-hero h1 {
      font-family: var(--font-display);
      font-size: clamp(2.5rem, 5vw, 4rem);
      font-weight: 700;
      line-height: 1.15;
      margin-bottom: 24px;
      color: #fff;
    }

    .cat-hero-desc {
      font-size: 16px;
      line-height: 1.9;
      color: rgba(255, 255, 255, 0.78);
      max-width: 560px;
    }

    .cat-hero-actions {
      display: flex;
      gap: 16px;
      margin-top: 32px;
      flex-wrap: wrap;
    }

    .hero-cover {
      border-radius: 16px;
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
      aspect-ratio: 4 / 3;
      object-fit: cover;
      width: 100%;
    }

    /* ===== 板块标题 ===== */
    .section-heading {
      margin-bottom: 48px;
    }

    .section-heading h2 {
      font-family: var(--font-display);
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 700;
      line-height: 1.3;
      color: var(--color-text);
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .section-heading h2::before {
      content: "";
      width: 4px;
      height: 32px;
      background: var(--color-accent);
      border-radius: 2px;
    }

    .section-sub {
      margin-top: 12px;
      color: var(--color-text-secondary);
      font-size: 15px;
    }

    /* ===== 资讯列表条 ===== */
    .guide-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .guide-item {
      display: flex;
      align-items: center;
      gap: 24px;
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-card);
      padding: 20px 24px;
      box-shadow: var(--shadow-card);
      transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    }

    .guide-item:hover {
      transform: translateX(4px);
      box-shadow: var(--shadow-card-hover);
      border-color: var(--color-border-gold);
    }

    .guide-date {
      flex: 0 0 56px;
      height: 56px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      background: var(--color-accent-light);
      border-radius: 8px;
      font-family: var(--font-display);
      line-height: 1.2;
      color: var(--color-primary);
      transition: background .3s ease, color .3s ease;
    }

    .guide-day {
      font-size: 22px;
      font-weight: 700;
    }

    .guide-month {
      font-size: 12px;
    }

    .guide-item:hover .guide-date {
      background: var(--color-accent);
      color: #fff;
    }

    .guide-content {
      flex: 1;
      min-width: 0;
    }

    .guide-content h3 {
      font-size: 17px;
      font-weight: 600;
      margin-bottom: 6px;
      font-family: var(--font-display);
      transition: color .3s ease;
    }

    .guide-content h3 a:hover {
      color: var(--color-accent);
    }

    .guide-content p {
      font-size: 14px;
      color: var(--color-text-secondary);
      line-height: 1.7;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .guide-badge {
      flex-shrink: 0;
      padding: 5px 14px;
      border-radius: 999px;
      background: #f0ede6;
      color: #7d7054;
      font-size: 12px;
      font-weight: 500;
    }

    /* ===== FAQ 手风琴 ===== */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: 8px;
      overflow: hidden;
      transition: border-color .3s ease, box-shadow .3s ease;
    }

    .faq-item.is-open {
      border-color: var(--color-border-gold);
      box-shadow: var(--shadow-card);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 24px;
      background: none;
      border: none;
      text-align: left;
      font-size: 17px;
      font-weight: 600;
      color: var(--color-text);
      line-height: 1.5;
      font-family: var(--font-display);
    }

    .faq-icon {
      flex: 0 0 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--color-accent-light);
      color: var(--color-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 400;
      transition: transform .3s ease, background .3s ease, color .3s ease;
    }

    .faq-item.is-open .faq-icon {
      transform: rotate(45deg);
      background: var(--color-accent);
      color: #fff;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .3s ease;
    }

    .faq-item.is-open .faq-answer {
      max-height: 320px;
    }

    .faq-answer-inner {
      padding: 0 24px 24px 24px;
      border-left: 3px solid var(--color-accent);
      margin-left: 24px;
    }

    .faq-answer-inner p {
      color: var(--color-text-secondary);
      font-size: 15px;
      line-height: 1.8;
    }

    /* ===== CTA 横幅 ===== */
    .cta-banner {
      padding: 96px 0;
      background: var(--color-footer-bg);
      position: relative;
      overflow: hidden;
    }

    .cta-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at top right, rgba(184, 147, 90, 0.22), transparent 55%);
    }

    .cta-inner {
      position: relative;
      text-align: center;
      max-width: 720px;
      margin: 0 auto;
    }

    .cta-inner h2 {
      font-family: var(--font-display);
      color: #fff;
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 700;
      margin-bottom: 16px;
    }

    .cta-inner p {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.68);
      margin-bottom: 28px;
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--color-footer-bg);
      color: rgba(255, 255, 255, 0.7);
      padding-top: 64px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.4fr;
      gap: 48px;
      padding-bottom: 48px;
    }

    .footer-brand p {
      margin-top: 16px;
      font-size: 14px;
      line-height: 1.85;
      color: rgba(255, 255, 255, 0.55);
    }

    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .footer-col a {
      display: block;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.55);
      margin-bottom: 10px;
      transition: color .3s ease;
    }

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

    .footer-form {
      display: flex;
      gap: 8px;
      margin-top: 8px;
    }

    .footer-form input {
      flex: 1;
      height: 44px;
      padding: 0 14px;
      border: 1px solid rgba(255, 255, 255, 0.14);
      background: rgba(255, 255, 255, 0.06);
      color: #fff;
      border-radius: var(--radius-input);
      font-size: 14px;
      transition: border-color .3s ease, box-shadow .3s ease;
    }

    .footer-form input:focus {
      outline: none;
      border-color: var(--color-accent);
      box-shadow: 0 0 0 3px rgba(184, 147, 90, 0.15);
    }

    .footer-form input::placeholder {
      color: rgba(255, 255, 255, 0.4);
    }

    .footer-form button {
      height: 44px;
      padding: 0 18px;
      background: var(--color-accent);
      color: var(--color-primary);
      border: none;
      border-radius: var(--radius-btn);
      font-size: 14px;
      font-weight: 600;
      transition: background .3s ease, color .3s ease;
    }

    .footer-form button:hover {
      background: #fff;
      color: var(--color-primary);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 20px 0;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.4);
    }

    .footer-bottom .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1023px) {
      .cat-hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }

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

    @media (max-width: 767px) {
      .section {
        padding-top: var(--section-gap-mobile);
        padding-bottom: var(--section-gap-mobile);
      }

      .site-header {
        background: var(--color-bg);
      }

      .menu-toggle {
        display: flex;
      }

      .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bg);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 32px 24px;
        gap: 0;
        transform: translateX(100%);
        transition: transform .3s ease;
        display: flex;
      }

      .main-nav.is-open {
        transform: translateX(0);
      }

      .nav-link {
        display: block;
        width: 100%;
        font-size: 20px;
        padding: 14px 0;
        border-bottom: 1px solid var(--color-border);
      }

      .nav-cta {
        margin-top: 24px;
        width: 100%;
        height: 48px;
      }

      .cat-hero {
        min-height: auto;
        padding-top: 110px;
        padding-bottom: 60px;
      }

      .cat-hero h1 {
        font-size: 2.2rem;
      }

      .cat-hero-desc {
        font-size: 15px;
      }

      .guide-item {
        gap: 14px;
        padding: 16px;
        flex-wrap: wrap;
      }

      .guide-date,
      .guide-badge {
        display: none;
      }

      .guide-content h3 {
        font-size: 16px;
      }

      .guide-content p {
        -webkit-line-clamp: 3;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

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

      .cta-banner {
        padding: 64px 0;
      }
    }

/* roulang page: article */
:root {
    --color-primary: #1e2b26;
    --color-primary-dark: #14171a;
    --color-accent: #b8935a;
    --color-accent-light: #e5dcc8;
    --color-bg: #f7f4ef;
    --color-card: #ffffff;
    --color-text: #22211e;
    --color-text-secondary: #6b675f;
    --color-text-muted: #9a958b;
    --color-border-gold: #e5dcc8;
    --color-border-gray: #e5e2dc;
    --font-display: "Noto Serif SC", "Source Han Serif SC", "SimSun", "STSong", serif;
    --font-body: "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
    --font-number: Georgia, serif;
    --radius-card: 12px;
    --radius-btn: 6px;
    --radius-input: 8px;
    --radius-badge: 999px;
    --shadow-card: 0 1px 8px rgba(0,0,0,0.04);
    --shadow-hover: 0 12px 32px rgba(0,0,0,0.08);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    background: var(--color-bg);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; text-decoration: none; }
  img { display: block; max-width: 100%; height: auto; }
  button, input { font: inherit; }

  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
  }

  /* Header */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: rgba(247,244,239,0.88);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    z-index: 100;
  }
  .site-header.scrolled {
    background: rgba(247,244,239,0.97);
    border-bottom-color: var(--color-border-gray);
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
  }
  .logo {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
  }
  .logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 4px;
    background: var(--color-accent);
    color: #fff;
    font-size: 12px;
    font-family: var(--font-display);
  }
  .main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
  }
  .nav-link {
    position: relative;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    padding: 4px 0;
    transition: color 0.3s ease;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
  }
  .nav-link:hover { color: var(--color-accent); }
  .nav-link.active { color: var(--color-accent); }
  .nav-link.active::after { width: 100%; }
  .nav-cta {
    display: inline-flex;
    align-items: center;
    height: 36px;
    padding: 0 20px;
    background: var(--color-primary);
    color: var(--color-accent);
    border-radius: var(--radius-btn);
    font-size: 14px;
    transition: background 0.3s ease, color 0.3s ease;
  }
  .nav-cta:hover {
    background: var(--color-accent);
    color: #fff;
  }

  .menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
  }
  .menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .menu-toggle.open span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-toggle.open span:last-child { transform: translateY(-4px) rotate(-45deg); }

  /* Breadcrumb */
  .breadcrumb-wrap {
    padding-top: 104px;
    padding-bottom: 20px;
    background: #fff;
    border-bottom: 1px solid var(--color-border-gray);
  }
  .breadcrumb-inner {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text-muted);
  }
  .breadcrumb-inner a {
    color: var(--color-text-secondary);
    transition: color 0.3s ease;
  }
  .breadcrumb-inner a:hover { color: var(--color-accent); }
  .breadcrumb-inner .current {
    color: var(--color-text-secondary);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .back-list {
    margin-left: auto;
    font-size: 13px;
    color: var(--color-text-muted);
    transition: color 0.3s ease;
  }
  .back-list:hover { color: var(--color-accent); }

  /* Article Section */
  .article-section { padding: 48px 0 80px; }
  @media (min-width: 1024px) {
    .article-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 300px;
      gap: 48px;
      align-items: start;
    }
  }
  .article-main { min-width: 0; }
  .article-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--color-text);
    margin-bottom: 16px;
  }
  .article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding-bottom: 24px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--color-border-gray);
    font-size: 13px;
    color: var(--color-text-muted);
  }
  .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  /* Article Body */
  .article-body {
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text);
  }
  .article-body p { margin-bottom: 24px; }
  .article-body h2,
  .article-body h3 {
    font-family: var(--font-display);
    font-weight: 700;
    margin-top: 48px;
    margin-bottom: 16px;
    padding-left: 16px;
    border-left: 3px solid var(--color-accent);
    line-height: 1.4;
  }
  .article-body h2 { font-size: 1.5rem; }
  .article-body h3 { font-size: 1.25rem; }
  .article-body blockquote {
    background: #faf6ef;
    border-left: 3px solid var(--color-accent);
    border-radius: 0 var(--radius-card) var(--radius-card) 0;
    padding: 24px 32px;
    margin: 32px 0;
    color: var(--color-text-secondary);
    font-style: italic;
  }
  .article-body img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--radius-card);
    margin: 32px 0;
  }
  .article-body ul,
  .article-body ol {
    padding-left: 24px;
    margin-bottom: 24px;
  }
  .article-body li { margin-bottom: 8px; }
  .article-body a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 4px;
  }

  .article-not-found {
    background: #fff;
    border: 1px solid var(--color-border-gray);
    border-radius: var(--radius-card);
    padding: 64px 32px;
    text-align: center;
    font-size: 18px;
    color: var(--color-text-secondary);
  }
  .article-not-found a {
    display: inline-block;
    margin-top: 16px;
    color: var(--color-accent);
    font-size: 14px;
    text-decoration: underline;
    text-underline-offset: 4px;
  }

  /* Sidebar */
  .article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  @media (min-width: 1024px) {
    .article-sidebar { position: sticky; top: 96px; }
  }
  .sidebar-card {
    background: #fff;
    border: 1px solid var(--color-border-gray);
    border-radius: var(--radius-card);
    padding: 28px;
    box-shadow: var(--shadow-card);
  }
  .sidebar-card h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 18px;
    padding-left: 12px;
    border-left: 3px solid var(--color-accent);
  }
  .hot-list { list-style: none; }
  .hot-list li { margin-bottom: 14px; }
  .hot-list a {
    display: flex;
    gap: 10px;
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.5;
    transition: color 0.3s ease, transform 0.3s ease;
  }
  .hot-list a:hover {
    color: var(--color-accent);
    transform: translateX(4px);
  }
  .hot-num {
    font-family: var(--font-number);
    color: var(--color-accent);
    font-size: 13px;
    flex-shrink: 0;
  }
  .cat-link {
    display: block;
    padding: 12px 16px;
    margin-bottom: 8px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-gray);
    border-radius: var(--radius-input);
    font-size: 14px;
    color: var(--color-text);
    transition: all 0.3s ease;
  }
  .cat-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: #fff;
    transform: translateX(4px);
  }
  .sidebar-cta {
    background: var(--color-primary);
    border: none;
    text-align: center;
  }
  .sidebar-cta h3 { color: #fff; }
  .sidebar-cta p {
    color: rgba(255,255,255,0.65);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
  }
  .sidebar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 28px;
    background: var(--color-accent);
    color: #fff;
    font-size: 14px;
    border-radius: var(--radius-btn);
    transition: background 0.3s ease, color 0.3s ease;
  }
  .sidebar-btn:hover {
    background: #fff;
    color: var(--color-primary);
  }

  /* Related */
  .related-section {
    padding: 80px 0;
    background: #fff;
    border-top: 1px solid var(--color-border-gray);
  }
  .section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
  }
  .section-head h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
  }
  .more-link {
    font-size: 14px;
    color: var(--color-text-muted);
    padding-bottom: 2px;
    border-bottom: 1px solid var(--color-border-gold);
    transition: color 0.3s ease, border-color 0.3s ease;
  }
  .more-link:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
  }
  .related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .related-card {
    display: block;
    background: #fff;
    border: 1px solid var(--color-border-gray);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  }
  .related-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-border-gold);
  }
  .related-cover {
    width: 100%;
    height: 180px;
    object-fit: cover;
  }
  .related-body { padding: 24px; }
  .related-tag {
    display: inline-block;
    background: var(--color-bg);
    border: 1px solid var(--color-border-gold);
    color: var(--color-text-secondary);
    font-size: 12px;
    padding: 3px 12px;
    border-radius: var(--radius-badge);
    margin-bottom: 12px;
  }
  .related-body h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 8px;
  }
  .related-body p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
  }

  /* CTA Banner */
  .cta-banner {
    background: var(--color-primary-dark);
    padding: 80px 0;
  }
  .cta-inner { text-align: center; }
  .cta-inner h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: #fff;
    margin-bottom: 16px;
  }
  .cta-inner p {
    color: rgba(255,255,255,0.6);
    font-size: 16px;
    margin-bottom: 28px;
  }
  .cta-btn {
    display: inline-flex;
    align-items: center;
    height: 48px;
    padding: 0 42px;
    background: var(--color-accent);
    color: #fff;
    font-size: 15px;
    border: 1px solid transparent;
    border-radius: var(--radius-btn);
    transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  }
  .cta-btn:hover {
    background: transparent;
    border-color: var(--color-accent);
    color: var(--color-accent);
  }

  /* Footer */
  .site-footer {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,0.7);
    padding-top: 64px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 48px;
    padding-bottom: 48px;
  }
  .footer-brand .logo { color: #fff; margin-bottom: 20px; }
  .footer-brand p {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    line-height: 1.8;
    max-width: 320px;
  }
  .footer-col h4 {
    color: #fff;
    font-family: var(--font-display);
    font-size: 15px;
    margin-bottom: 16px;
  }
  .footer-col a {
    display: block;
    color: rgba(255,255,255,0.5);
    font-size: 14px;
    line-height: 2.2;
    transition: color 0.3s ease;
  }
  .footer-col a:hover { color: var(--color-accent); }
  .footer-subscribe p {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    line-height: 1.7;
  }
  .footer-form {
    display: flex;
    gap: 8px;
    margin-top: 16px;
  }
  .footer-form input {
    flex: 1;
    height: 44px;
    padding: 0 16px;
    background: #23262a;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-input);
    color: #fff;
    font-size: 14px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
  }
  .footer-form input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(184,147,90,0.15);
  }
  .footer-form button {
    height: 44px;
    padding: 0 20px;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-input);
    font-size: 14px;
    cursor: pointer;
    transition: background 0.3s ease;
  }
  .footer-form button:hover { background: #c9a56e; }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.35);
  }
  .footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  /* Responsive */
  @media (max-width: 1023px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .article-grid { display: flex; flex-direction: column; }
    .article-sidebar { position: static; }
    .related-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 767px) {
    .container { padding: 0 20px; }
    .main-nav {
      display: none;
      position: fixed;
      inset: 72px 0 0 0;
      flex-direction: column;
      align-items: flex-start;
      gap: 0;
      background: var(--color-bg);
      padding: 24px 32px;
      z-index: 99;
    }
    .main-nav.open { display: flex; }
    .nav-link { font-size: 20px; line-height: 48px; }
    .nav-cta { margin-top: 16px; }
    .menu-toggle { display: inline-flex; }
    .related-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom .container { flex-direction: column; gap: 8px; }
    .footer-form { flex-direction: column; }
  }

  @media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
  }

/* roulang page: category2 */
:root {
      --color-primary: #1e2b26;
      --color-accent: #b8935a;
      --color-bg: #f7f4ef;
      --color-card: #ffffff;
      --color-text: #22211e;
      --color-text-secondary: #6b675f;
      --color-text-light: #9a958b;
      --color-border-gold: #e5dcc8;
      --color-border-gray: #e5e2dc;
      --color-footer: #14171a;
      --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
      --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      --radius-card: 12px;
      --radius-btn: 6px;
      --radius-input: 8px;
      --radius-badge: 999px;
      --shadow-card: 0 1px 8px rgba(0, 0, 0, 0.04);
      --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
      --transition-base: all 0.3s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-body);
      background: var(--color-bg);
      color: var(--color-text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    input {
      font-family: inherit;
    }

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

    /* ===== Header & Nav ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 72px;
      z-index: 100;
      background: rgba(247, 244, 239, 0.82);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid transparent;
      transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    }

    .site-header.scrolled {
      background: rgba(247, 244, 239, 0.98);
      border-bottom-color: var(--color-border-gray);
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
    }

    .logo-text {
      font-family: var(--font-display);
      font-size: 28px;
      font-weight: 700;
      line-height: 1;
      color: var(--color-text);
      letter-spacing: 0.02em;
    }

    .logo-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background: var(--color-accent);
      color: #fff;
      font-family: var(--font-display);
      font-size: 12px;
      font-weight: 700;
      border-radius: 4px;
      line-height: 1;
    }

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

    .nav-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--color-text);
      position: relative;
      padding: 8px 0;
      white-space: nowrap;
    }

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

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

    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      height: 2px;
      width: 100%;
      background: var(--color-accent);
      animation: navLineExpand 0.35s ease both;
    }

    @keyframes navLineExpand {
      from {
        width: 0;
      }
      to {
        width: 100%;
      }
    }

    .nav-cta {
      height: 36px;
      padding: 0 20px;
      background: var(--color-primary);
      color: var(--color-accent);
      border-radius: 6px;
      font-size: 14px;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      white-space: nowrap;
      transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
    }

    .nav-cta:hover {
      background: #16241f;
      color: #d4b87b;
      transform: translateY(-1px);
    }

    .hamburger {
      display: none;
      flex-direction: column;
      justify-content: center;
      gap: 6px;
      width: 36px;
      height: 36px;
      align-items: center;
      flex-shrink: 0;
    }

    .hamburger span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--color-text);
      border-radius: 2px;
      transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .hamburger.active span:nth-child(1) {
      transform: rotate(45deg) translate(4px, 4px);
    }

    .hamburger.active span:nth-child(2) {
      transform: rotate(-45deg) translate(4px, -4px);
    }

    /* ===== Hero ===== */
    .hero {
      position: relative;
      min-height: 80vh;
      display: flex;
      align-items: center;
      margin-top: 72px;
      overflow: hidden;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      z-index: 0;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(20, 23, 26, 0.76) 0%, rgba(30, 43, 38, 0.55) 100%);
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      padding: 72px 0;
      width: 100%;
    }

    .hero h1 {
      font-family: var(--font-display);
      font-size: clamp(2.6rem, 6vw, 4.5rem);
      font-weight: 800;
      color: #fff;
      line-height: 1.12;
      letter-spacing: -0.01em;
      margin-bottom: 24px;
      max-width: 720px;
      animation: fadeUp 0.6s ease both;
    }

    .hero-sub {
      font-size: 18px;
      color: #c9c2b5;
      max-width: 480px;
      margin-bottom: 36px;
      line-height: 1.8;
      animation: fadeUp 0.6s ease 0.1s both;
    }

    .hero-dot {
      color: var(--color-accent);
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 56px;
      animation: fadeUp 0.6s ease 0.2s both;
    }

    .btn {
      height: 48px;
      padding: 0 36px;
      border-radius: 6px;
      font-size: 15px;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
      cursor: pointer;
    }

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

    .btn-primary:hover {
      background: var(--color-primary);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    }

    .btn-outline {
      border: 1px solid rgba(255, 255, 255, 0.6);
      color: #fff;
      background: transparent;
    }

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

    .hero-stats {
      display: flex;
      align-items: center;
      gap: 32px;
      flex-wrap: wrap;
      animation: fadeUp 0.6s ease 0.3s both;
    }

    .stat-item {
      display: flex;
      flex-direction: column;
    }

    .stat-num {
      font-family: Georgia, 'Noto Serif SC', serif;
      font-size: 32px;
      font-weight: 700;
      color: #fff;
      line-height: 1.2;
    }

    .stat-label {
      font-size: 13px;
      color: #c9c2b5;
      margin-top: 4px;
    }

    .stat-sep {
      width: 1px;
      height: 36px;
      background: var(--color-accent);
      opacity: 0.6;
    }

    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(24px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* ===== Section ===== */
    .section {
      padding: 96px 0;
    }

    .section-head {
      margin-bottom: 56px;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 500;
      color: var(--color-accent);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .section-head h2 {
      font-family: var(--font-display);
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 700;
      line-height: 1.3;
      color: var(--color-text);
      margin-bottom: 16px;
    }

    .section-head p {
      color: var(--color-text-secondary);
      font-size: 16px;
      max-width: 560px;
      line-height: 1.7;
    }

    /* ===== Intro ===== */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }

    .intro-text h2 {
      font-family: var(--font-display);
      font-size: clamp(1.6rem, 2.6vw, 2.2rem);
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 16px;
    }

    .intro-text p {
      color: var(--color-text-secondary);
      margin-bottom: 16px;
      font-size: 15px;
      line-height: 1.8;
    }

    .text-link {
      color: var(--color-accent);
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      margin-top: 8px;
    }

    .text-link:hover {
      color: var(--color-primary);
      gap: 8px;
    }

    .intro-image img {
      border-radius: 12px;
      width: 100%;
      height: 380px;
      object-fit: cover;
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    }

    /* ===== Steps ===== */
    .steps-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .step-card {
      background: #fff;
      border-radius: 12px;
      padding: 32px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--color-border-gray);
      transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
      position: relative;
      overflow: hidden;
    }

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

    .step-num {
      font-family: Georgia, 'Noto Serif SC', serif;
      font-size: 56px;
      font-weight: 700;
      color: var(--color-accent);
      line-height: 1;
    }

    .step-body h3 {
      font-family: var(--font-display);
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--color-text);
    }

    .step-body p {
      color: var(--color-text-secondary);
      font-size: 15px;
      line-height: 1.8;
    }

    .step-image img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      border-radius: 8px;
    }

    /* ===== Scenario ===== */
    .scenario-section {
      background: #fff;
    }

    .scenario-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
      margin-bottom: 48px;
    }

    .scenario-row:last-child {
      margin-bottom: 0;
    }

    .scenario-row.reverse .scenario-image {
      order: 2;
    }

    .scenario-row.reverse .scenario-text {
      order: 1;
    }

    .scenario-image img {
      width: 100%;
      height: 320px;
      object-fit: cover;
      border-radius: 12px;
      box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
      transition: transform 0.4s ease;
    }

    .scenario-image img:hover {
      transform: scale(1.02);
    }

    .scenario-text h3 {
      font-family: var(--font-display);
      font-size: 24px;
      font-weight: 700;
      color: var(--color-text);
      margin-bottom: 12px;
    }

    .scenario-text p {
      color: var(--color-text-secondary);
      line-height: 1.8;
      max-width: 460px;
      font-size: 15px;
    }

    /* ===== Quality ===== */
    .quality-section {
      background: var(--color-primary);
      position: relative;
      overflow: hidden;
    }

    .quality-section::before {
      content: '';
      position: absolute;
      top: -60px;
      right: -60px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(184, 147, 90, 0.08);
    }

    .quality-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
      z-index: 2;
    }

    .quality-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 36px 20px;
      background: rgba(255, 255, 255, 0.06);
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: background 0.3s ease, transform 0.3s ease;
    }

    .quality-item:hover {
      background: rgba(255, 255, 255, 0.1);
      transform: translateY(-4px);
    }

    .quality-num {
      font-family: Georgia, 'Noto Serif SC', serif;
      font-size: 42px;
      font-weight: 700;
      color: var(--color-accent);
      line-height: 1.1;
    }

    .quality-label {
      font-size: 14px;
      color: #c9c2b5;
      margin-top: 10px;
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--color-border-gray);
      border-radius: 8px;
      margin-bottom: 16px;
      overflow: hidden;
      transition: border-color 0.3s ease, box-shadow 0.3s ease;
    }

    .faq-item.open {
      border-color: var(--color-border-gold);
      box-shadow: var(--shadow-card);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 24px;
      font-size: 17px;
      font-weight: 600;
      color: var(--color-text);
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: color 0.3s ease;
    }

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

    .faq-question::after {
      content: '+';
      font-size: 22px;
      font-weight: 400;
      color: var(--color-accent);
      transition: transform 0.3s ease;
      flex-shrink: 0;
      margin-left: 16px;
    }

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

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

    .faq-item.open .faq-answer {
      max-height: 300px;
    }

    .faq-answer-inner {
      border-left: 3px solid var(--color-accent);
      padding: 0 0 24px 20px;
      margin: 0 24px;
      opacity: 0;
      transform: translateY(-4px);
      transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .faq-item.open .faq-answer-inner {
      opacity: 1;
      transform: translateY(0);
    }

    .faq-answer-inner p {
      color: var(--color-text-secondary);
      font-size: 15px;
      line-height: 1.8;
    }

    /* ===== CTA ===== */
    .cta-banner {
      background: var(--color-footer);
      padding: 80px 0;
      position: relative;
      overflow: hidden;
    }

    .cta-banner::before {
      content: '';
      position: absolute;
      left: -80px;
      bottom: -120px;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(184, 147, 90, 0.06);
    }

    .cta-inner {
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .cta-inner h2 {
      font-family: var(--font-display);
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .cta-inner p {
      color: #9a958b;
      margin-bottom: 36px;
      max-width: 480px;
      margin-left: auto;
      margin-right: auto;
      font-size: 16px;
      line-height: 1.8;
    }

    .btn-cta {
      background: transparent;
      border: 1px solid var(--color-accent);
      color: var(--color-accent);
      height: 48px;
      padding: 0 40px;
    }

    .btn-cta:hover {
      background: var(--color-accent);
      color: var(--color-primary);
      transform: translateY(-2px);
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--color-footer);
      color: rgba(255, 255, 255, 0.7);
      padding: 64px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 48px;
      padding-bottom: 48px;
    }

    .footer-brand .logo-text {
      color: #fff;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      margin-top: 16px;
      color: rgba(255, 255, 255, 0.5);
      max-width: 320px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .footer-col a {
      display: block;
      color: rgba(255, 255, 255, 0.5);
      font-size: 14px;
      margin-bottom: 10px;
      transition: color 0.3s ease;
    }

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

    .footer-subscribe p {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.5);
      margin-bottom: 16px;
      line-height: 1.7;
    }

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

    .footer-form input {
      flex: 1;
      height: 44px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      padding: 0 16px;
      font-size: 14px;
      outline: none;
      transition: border-color 0.3s ease, box-shadow 0.3s ease;
      min-width: 0;
    }

    .footer-form input::placeholder {
      color: rgba(255, 255, 255, 0.4);
    }

    .footer-form input:focus {
      border-color: var(--color-accent);
      box-shadow: 0 0 0 3px rgba(184, 147, 90, 0.15);
    }

    .footer-form button {
      height: 44px;
      padding: 0 24px;
      border-radius: 8px;
      background: var(--color-accent);
      color: var(--color-primary);
      font-weight: 600;
      font-size: 14px;
      transition: background 0.3s ease;
      white-space: nowrap;
    }

    .footer-form button:hover {
      background: #d4b87b;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: 24px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
    }

    .footer-bottom span {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.4);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
      }

      .quality-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 820px) {
      .hamburger {
        display: flex;
      }

      .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        background: var(--color-bg);
        padding: 24px 24px 32px;
        gap: 0;
        transform: translateX(100%);
        transition: transform 0.35s ease;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
        border-bottom: 1px solid var(--color-border-gray);
        overflow-y: auto;
        max-height: calc(100vh - 72px);
        z-index: 99;
      }

      .main-nav.open {
        transform: translateX(0);
      }

      .nav-link {
        font-size: 20px;
        line-height: 48px;
        display: block;
        width: 100%;
        border-bottom: 1px solid #ece7dd;
        padding: 0;
      }

      .nav-link.active::after {
        display: none;
      }

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

      .nav-cta {
        margin-top: 16px;
        height: 44px;
        width: 100%;
      }

      .hero {
        min-height: 70vh;
      }

      .hero-sub {
        max-width: 100%;
      }

      .hero-stats {
        gap: 24px;
      }

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

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

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

      .scenario-row.reverse .scenario-image {
        order: 1;
      }

      .scenario-row.reverse .scenario-text {
        order: 2;
      }
    }

    @media (max-width: 560px) {
      .section {
        padding: 64px 0;
      }

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

      .hero-stats {
        gap: 16px;
        flex-direction: column;
        align-items: flex-start;
      }

      .stat-sep {
        width: 40px;
        height: 1px;
      }

      .hero-actions {
        flex-direction: column;
        width: 100%;
      }

      .btn {
        width: 100%;
      }

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

      .footer-form button {
        width: 100%;
      }

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

      .scenario-image img {
        height: 240px;
      }

      .step-image img {
        height: 180px;
      }

      .intro-image img {
        height: 260px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
      }
    }

/* roulang page: category3 */
:root {
            --color-primary: #1e2b26;
            --color-accent: #b8935a;
            --color-bg: #f7f4ef;
            --color-card: #ffffff;
            --color-text: #22211e;
            --color-text-secondary: #6b675f;
            --color-text-weak: #9a958b;
            --color-border: #e5dcc8;
            --color-border-light: #e5e2dc;
            --color-dark: #14171a;
            --font-display: "Noto Serif SC", "Songti SC", "SimSun", serif;
            --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --radius-card: 12px;
            --radius-btn: 6px;
            --radius-input: 8px;
            --shadow-card: 0 1px 8px rgba(0,0,0,0.04);
            --shadow-hover: 0 12px 32px rgba(0,0,0,0.08);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            padding-top: 72px;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
        }

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            background: none;
            transition: all 0.3s ease;
        }

        input {
            font-family: var(--font-body);
            transition: all 0.3s ease;
        }

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

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 72px;
            background: rgba(247, 244, 239, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            z-index: 1000;
            transition: background-color 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
        }

        .site-header.scrolled {
            background: rgba(247, 244, 239, 0.97);
            border-bottom-color: var(--color-border-light);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .logo-text {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1;
        }

        .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: var(--color-accent);
            color: #fff;
            font-family: var(--font-display);
            font-size: 15px;
            font-weight: 700;
            border-radius: 4px;
            line-height: 1;
        }

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

        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            padding: 6px 0;
            line-height: 1.4;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: width 0.35s ease;
        }

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

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

        .nav-link.active::after {
            width: 100%;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 36px;
            padding: 0 20px;
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-btn);
            letter-spacing: 0.04em;
            transition: all 0.3s ease;
        }

        .nav-cta:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(184, 147, 90, 0.25);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            z-index: 1100;
        }

        .menu-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .menu-toggle.active span:first-child {
            transform: translateY(4px) rotate(45deg);
        }

        .menu-toggle.active span:last-child {
            transform: translateY(-4px) rotate(-45deg);
        }

        .category-hero {
            position: relative;
            min-height: 56vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(20, 23, 26, 0.82) 0%, rgba(30, 43, 38, 0.68) 55%, rgba(30, 43, 38, 0.25) 100%);
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
        }

        .category-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            letter-spacing: 0.18em;
            color: rgba(255, 255, 255, 0.75);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 24px;
        }

        .category-hero .hero-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--color-accent);
            border-radius: 50%;
        }

        .category-hero h1 {
            font-family: var(--font-display);
            font-size: clamp(2.75rem, 6vw, 4.5rem);
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -0.01em;
            color: #ffffff;
            margin-bottom: 20px;
        }

        .category-hero h1 .accent {
            color: var(--color-accent);
        }

        .category-hero .hero-desc {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.82);
            max-width: 520px;
            margin-bottom: 36px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 36px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            letter-spacing: 0.06em;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            background: var(--color-primary);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 36px;
            border: 1px solid rgba(255, 255, 255, 0.45);
            color: #ffffff;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-btn);
            letter-spacing: 0.06em;
            transition: all 0.3s ease;
        }

        .btn-outline:hover {
            background: var(--color-primary);
            border-color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
        }

        .section {
            padding: 96px 0;
        }

        .section-alt {
            background: #ffffff;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 32px;
            margin-bottom: 56px;
        }

        .section-header h2 {
            font-family: var(--font-display);
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            letter-spacing: 0.01em;
        }

        .section-header h2 .gold-line {
            display: inline-block;
            width: 28px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-right: 14px;
            vertical-align: middle;
        }

        .section-header .section-sub {
            max-width: 460px;
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.8;
            text-align: right;
        }

        .section-header .section-link {
            font-size: 14px;
            color: var(--color-accent);
            font-weight: 500;
            white-space: nowrap;
        }

        .section-header .section-link:hover {
            color: var(--color-primary);
        }

        /* Timeline */
        .timeline-wrap {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            padding-left: 60px;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 22px;
            top: 10px;
            bottom: 10px;
            width: 1px;
            border-left: 1px dashed var(--color-border);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 40px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -49px;
            top: 28px;
            width: 14px;
            height: 14px;
            background: var(--color-accent);
            border-radius: 50%;
            border: 3px solid var(--color-bg);
            box-shadow: 0 0 0 2px var(--color-accent);
            z-index: 2;
        }

        .timeline-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-light);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
        }

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

        .timeline-time {
            display: inline-flex;
            align-items: center;
            font-family: Georgia, "Times New Roman", serif;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.06em;
            background: rgba(184, 147, 90, 0.08);
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 16px;
        }

        .timeline-card h3 {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .timeline-card p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
        }

        .timeline-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .timeline-tags .tag {
            font-size: 12px;
            color: var(--color-text-secondary);
            background: var(--color-bg);
            border: 1px solid var(--color-border-light);
            border-radius: 999px;
            padding: 4px 14px;
            transition: all 0.3s ease;
        }

        .timeline-tags .tag:hover {
            color: var(--color-accent);
            border-color: var(--color-accent);
        }

        .timeline-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-accent);
            margin-top: 4px;
        }

        .timeline-link:hover {
            color: var(--color-primary);
        }

        .timeline-link svg {
            width: 14px;
            height: 14px;
            transition: transform 0.3s ease;
        }

        .timeline-link:hover svg {
            transform: translateX(4px);
        }

        /* Philosophy 2x2 */
        .philosophy-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .philosophy-card {
            background: var(--color-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            overflow: hidden;
        }

        .philosophy-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

        .philosophy-card:hover::before {
            opacity: 1;
        }

        .philosophy-num {
            font-family: Georgia, var(--font-display);
            font-size: 3rem;
            font-weight: 700;
            color: transparent;
            -webkit-text-stroke: 1px var(--color-accent);
            line-height: 1;
            margin-bottom: 20px;
            display: block;
        }

        .philosophy-card h3 {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text);
        }

        .philosophy-card p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.85;
        }

        /* Feature alternating */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            margin-bottom: 64px;
        }

        .feature-block:last-child {
            margin-bottom: 0;
        }

        .feature-block.reverse .feature-image {
            order: 2;
        }

        .feature-block.reverse .feature-content {
            order: 1;
        }

        .feature-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
            aspect-ratio: 4/3;
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .feature-block:hover .feature-image img {
            transform: scale(1.03);
        }

        .feature-content .feature-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            letter-spacing: 0.16em;
            color: var(--color-accent);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .feature-content .feature-label::before {
            content: '';
            width: 18px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .feature-content h3 {
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .feature-content p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin-bottom: 20px;
        }

        .feature-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            border-top: 1px solid var(--color-border-light);
            padding-top: 20px;
        }

        .feature-meta span {
            font-size: 14px;
            color: var(--color-text-weak);
        }

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

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border-light);
            border-radius: 8px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .faq-item.open {
            border-color: var(--color-border);
            box-shadow: var(--shadow-card);
        }

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 24px 28px;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            line-height: 1.5;
            background: transparent;
        }

        .faq-q .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-q .faq-icon::before,
        .faq-q .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--color-accent);
            border-radius: 2px;
            transition: transform 0.3s ease;
        }

        .faq-q .faq-icon::before {
            top: 50%;
            left: 0;
            right: 0;
            height: 2px;
            transform: translateY(-50%);
        }

        .faq-q .faq-icon::after {
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            transform: translateX(-50%);
        }

        .faq-item.open .faq-icon::after {
            transform: translateX(-50%) scaleY(0);
        }

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

        .faq-a-inner {
            border-left: 3px solid var(--color-accent);
            margin-left: 28px;
            padding: 0 28px 24px 20px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(120deg, #14171a 0%, #1e2b26 100%);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            right: -120px;
            top: -120px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(184, 147, 90, 0.15) 0%, transparent 70%);
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-family: var(--font-display);
            font-size: clamp(1.8rem, 3.5vw, 2.8rem);
            font-weight: 700;
            color: #ffffff;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.9;
            margin-bottom: 36px;
        }

        .cta-inner .btn-primary {
            min-width: 160px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 72px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 48px;
        }

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

        .footer-brand .logo-text {
            color: #ffffff;
        }

        .footer-brand .logo-badge {
            background: var(--color-accent);
            color: var(--color-dark);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }

        .footer-col h4 {
            font-family: var(--font-display);
            font-size: 16px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 12px;
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

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

        .footer-subscribe p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .footer-form {
            display: flex;
            gap: 10px;
        }

        .footer-form input {
            flex: 1;
            height: 44px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-input);
            padding: 0 16px;
            font-size: 14px;
            color: #ffffff;
            outline: none;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .footer-form input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(184, 147, 90, 0.15);
        }

        .footer-form button {
            height: 44px;
            padding: 0 24px;
            background: var(--color-accent);
            color: var(--color-dark);
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-input);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .footer-form button:hover {
            background: #ffffff;
            color: var(--color-primary);
        }

        .form-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.35);
            margin-top: 12px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
        }

        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* Mobile menu */
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .section {
                padding: 72px 0;
            }
        }

        @media (max-width: 767px) {
            body {
                padding-top: 64px;
            }

            .site-header {
                height: 64px;
            }

            .menu-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--color-bg);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 8px;
                z-index: 1050;
                opacity: 0;
                visibility: hidden;
                transition: opacity 0.35s ease, visibility 0.35s ease;
            }

            .main-nav.open {
                opacity: 1;
                visibility: visible;
            }

            .main-nav .nav-link {
                font-size: 22px;
                line-height: 48px;
                font-weight: 500;
            }

            .main-nav .nav-link::after {
                display: none;
            }

            .main-nav .nav-cta {
                margin-top: 16px;
                height: 44px;
                padding: 0 32px;
                font-size: 15px;
            }

            .category-hero {
                min-height: 50vh;
            }

            .category-hero .hero-content {
                padding: 60px 0;
            }

            .category-hero h1 {
                font-size: clamp(2.2rem, 10vw, 3rem);
            }

            .category-hero .hero-desc {
                font-size: 16px;
            }

            .section {
                padding: 64px 0;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 40px;
            }

            .section-header .section-sub {
                text-align: left;
            }

            .timeline-wrap {
                padding-left: 40px;
            }

            .timeline-wrap::before {
                left: 15px;
            }

            .timeline-item::before {
                left: -36px;
                width: 12px;
                height: 12px;
            }

            .timeline-card {
                padding: 24px;
            }

            .philosophy-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

            .feature-block.reverse .feature-image {
                order: 1;
            }

            .feature-block.reverse .feature-content {
                order: 2;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .footer-bottom .container {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }

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

            .footer-form button {
                width: 100%;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .delay-1 { transition-delay: 0.1s; }
        .delay-2 { transition-delay: 0.25s; }