/* roulang page: index */
:root{
  --bg-primary:#F7F5F2;
  --bg-card:#FFFFFF;
  --bg-deep:#181A1F;
  --text-primary:#181A1F;
  --text-secondary:#6B6E76;
  --text-invert:#FFFFFF;
  --accent-primary:#B98A5E;
  --accent-hover:#D4AF86;
  --accent-soft:rgba(185,138,94,.12);
  --support:#5C7A74;
  --border-color:#E7E1D8;
  --border-light:rgba(255,255,255,.12);
  --error-color:#B5473C;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:18px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,18,24,.04),0 4px 12px rgba(16,18,24,.05);
  --shadow-2:0 2px 4px rgba(16,18,24,.04),0 16px 32px rgba(16,18,24,.08);
  --shadow-3:0 24px 64px rgba(16,18,24,.10);
  --font-sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:'Inter','Noto Sans SC',sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  --transition:180ms cubic-bezier(.2,.7,.2,1);
  --section-pad:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.75;
  color:var(--text-primary);
  background:var(--bg-primary);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--text-primary);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--accent-primary);}
button{font-family:var(--font-sans);}
ul,ol{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}
}

/* ---------- Navbar ---------- */
.site-navbar{
  position:fixed;
  top:0;left:0;right:0;
  height:72px;
  background:rgba(247,245,242,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border-color);
  z-index:1050;
}
.site-navbar .navbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:24px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:36px;height:36px;
  background:var(--accent-primary);
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-primary);
  font-weight:700;
  font-size:18px;
  font-family:var(--font-num);
  letter-spacing:-.02em;
}
.brand-text{
  font-size:1.0625rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-primary);
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1;
  justify-content:center;
}
.nav-links .nav-item{
  padding:8px 14px;
  font-size:.9375rem;
  color:var(--text-primary);
  border-radius:6px;
  font-weight:400;
  position:relative;
  transition:background var(--transition);
}
.nav-links .nav-item:hover{
  background:rgba(185,138,94,.08);
  color:var(--text-primary);
}
.nav-links .nav-item.active{
  font-weight:600;
  color:var(--text-primary);
}
.nav-links .nav-item.active::before{
  content:'';
  display:inline-block;
  width:5px;height:5px;
  background:var(--accent-primary);
  border-radius:50%;
  margin-right:6px;
  vertical-align:2px;
}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.search-cmd{
  position:relative;
  display:flex;
  align-items:center;
}
.search-cmd .search-icon{
  position:absolute;
  left:14px;
  color:var(--text-secondary);
  font-size:.8125rem;
  pointer-events:none;
  transition:color var(--transition);
}
.search-cmd input{
  height:38px;
  width:220px;
  border:1px solid var(--border-color);
  border-radius:999px;
  background:#fff;
  padding:0 56px 0 36px;
  font-size:.875rem;
  color:var(--text-primary);
  outline:none;
  transition:width .25s var(--ease), border-color var(--transition), box-shadow var(--transition);
}
.search-cmd input::placeholder{color:var(--text-secondary);}
.search-cmd input:focus{
  width:300px;
  border-color:var(--accent-primary);
  box-shadow:0 0 0 3px rgba(185,138,94,.12);
}
.search-cmd input:focus + .search-icon{color:var(--accent-primary);}
.search-kbd{
  position:absolute;
  right:10px;
  background:var(--bg-deep);
  color:#fff;
  font-size:.75rem;
  padding:2px 8px;
  border-radius:4px;
  font-family:var(--font-num);
  letter-spacing:.02em;
  user-select:none;
  pointer-events:none;
}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border-color);
  background:#fff;
  border-radius:50%;
  color:var(--text-primary);
  font-size:.9375rem;
  transition:all var(--transition);
}
.icon-btn:hover{
  color:var(--text-primary);
  border-color:var(--accent-primary);
  background:var(--accent-soft);
  transform:translateY(-1px);
}
.btn-primary-custom{
  background:var(--accent-primary);
  color:var(--text-primary);
  font-weight:600;
  font-size:.9375rem;
  padding:10px 22px;
  border-radius:8px;
  border:none;
  cursor:pointer;
  transition:background var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space:nowrap;
}
.btn-primary-custom:hover{
  background:var(--accent-hover);
  color:var(--text-primary);
  transform:translateY(-1px);
  box-shadow:var(--shadow-1);
}
.btn-primary-custom:active{
  transform:scale(.98);
}
.btn-primary-custom:focus-visible{
  outline:2px solid rgba(185,138,94,.35);
  outline-offset:2px;
}
.btn-outline-custom{
  background:transparent;
  border:1px solid var(--text-primary);
  color:var(--text-primary);
  font-weight:500;
  font-size:.9375rem;
  padding:10px 22px;
  border-radius:8px;
  cursor:pointer;
  transition:all var(--transition);
  white-space:nowrap;
}
.btn-outline-custom:hover{
  background:rgba(24,26,31,.04);
  border-color:var(--accent-primary);
  color:var(--text-primary);
}
.btn-outline-custom:focus-visible{
  outline:2px solid rgba(185,138,94,.35);
  outline-offset:2px;
}
.btn-lg-custom{
  padding:14px 32px;
  font-size:1rem;
  border-radius:10px;
}
.navbar-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--border-color);
  background:#fff;
  border-radius:8px;
  color:var(--text-primary);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
@media(max-width:992px){
  .nav-links{display:none;}
  .navbar-toggle{display:inline-flex;}
  .nav-links.mobile-open{
    display:flex;
    flex-direction:column;
    position:absolute;
    top:72px;left:0;right:0;
    background:var(--bg-primary);
    border-bottom:1px solid var(--border-color);
    padding:16px 20px;
    gap:4px;
    box-shadow:var(--shadow-2);
    align-items:stretch;
  }
  .nav-links.mobile-open .nav-item{padding:12px 14px;}
  .search-cmd input{width:180px;}
  .search-cmd input:focus{width:220px;}
}
@media(max-width:768px){
  .nav-right .icon-btn{display:none;}
  .search-cmd input{width:140px;}
  .search-cmd input:focus{width:170px;}
  .nav-right .btn-primary-custom{padding:8px 16px;font-size:.875rem;}
  .search-kbd{display:none;}
}
@media(max-width:576px){
  .site-navbar .navbar-inner{gap:8px;}
  .brand-text{font-size:.9375rem;}
  .brand-mark{width:32px;height:32px;font-size:16px;border-radius:6px;}
  .nav-right{gap:8px;}
  .search-cmd{display:none;}
  .nav-right .btn-primary-custom{padding:8px 14px;font-size:.8125rem;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:92vh;
  display:flex;
  align-items:center;
  padding:120px 0 80px;
  background:linear-gradient(135deg, rgba(247,245,242,.94) 0%, rgba(247,245,242,.88) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow:hidden;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--accent-soft);
  color:var(--accent-primary);
  font-size:.8125rem;
  font-weight:600;
  padding:6px 14px;
  border-radius:999px;
  letter-spacing:.03em;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(2rem, 4.5vw, 3.25rem);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.2;
  color:var(--text-primary);
  margin-bottom:20px;
}
.hero-sub{
  font-size:1.125rem;
  color:var(--text-secondary);
  line-height:1.75;
  max-width:520px;
  margin-bottom:32px;
}
.hero-cta{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:28px;
}
.hero-trust{
  font-size:.875rem;
  color:var(--text-secondary);
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.hero-trust .dot{
  width:4px;height:4px;
  background:var(--accent-primary);
  border-radius:50%;
  display:inline-block;
}
.hero-visual{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-3);
  position:relative;
}
.hero-visual img{
  width:100%;
  height:auto;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.hero-visual:hover img{
  transform:scale(1.02);
}
.hero-enter{
  animation:heroFade .4s var(--ease) both;
}
.hero-enter:nth-child(1){animation-delay:0ms;}
.hero-enter:nth-child(2){animation-delay:80ms;}
.hero-enter:nth-child(3){animation-delay:160ms;}
.hero-enter:nth-child(4){animation-delay:240ms;}
.hero-enter:nth-child(5){animation-delay:320ms;}
@keyframes heroFade{
  from{opacity:0;transform:translateY(16px);}
  to{opacity:1;transform:translateY(0);}
}
@media(max-width:992px){
  .hero{padding:100px 0 60px;text-align:center;}
  .hero-sub{margin-left:auto;margin-right:auto;}
  .hero-cta{justify-content:center;}
  .hero-trust{justify-content:center;}
  .hero .row{flex-direction:column-reverse;}
  .hero-visual{margin-top:40px;}
}
@media(max-width:576px){
  .hero{min-height:auto;padding:90px 0 50px;}
  .hero h1{font-size:1.875rem;}
  .hero-sub{font-size:1rem;}
  .hero-cta .btn-primary-custom,.hero-cta .btn-outline-custom{width:100%;text-align:center;justify-content:center;}
}

/* ---------- Trust Stats ---------- */
.stats-section{
  padding:64px 0;
  background:var(--bg-card);
  border-bottom:1px solid var(--border-color);
}
.stat-item{
  text-align:center;
  padding:16px 8px;
}
.stat-number{
  font-family:var(--font-num);
  font-size:2rem;
  font-weight:700;
  color:var(--text-primary);
  letter-spacing:-.02em;
  line-height:1.2;
}
.stat-label{
  font-size:.875rem;
  color:var(--text-secondary);
  margin-top:8px;
  letter-spacing:.02em;
}
@media(max-width:768px){
  .stats-section{padding:48px 0;}
  .stat-number{font-size:1.625rem;}
}

/* ---------- Section base ---------- */
.section{
  padding:var(--section-pad) 0;
}
.section-label{
  font-size:.8125rem;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--accent-primary);
  margin-bottom:12px;
  display:block;
}
.section-title{
  font-size:1.875rem;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:16px;
  line-height:1.25;
}
.section-desc{
  font-size:1rem;
  color:var(--text-secondary);
  max-width:680px;
  line-height:1.75;
}
@media(max-width:768px){
  .section{padding:56px 0;}
  .section-title{font-size:1.5rem;}
}

/* ---------- Feature swimlane ---------- */
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  padding:40px 0;
  border-bottom:1px solid var(--border-color);
}
.feature-row:last-child{border-bottom:none;}
.feature-row.reverse .feature-text{order:2;}
.feature-row.reverse .feature-visual{order:1;}
.feature-num{
  font-family:var(--font-num);
  font-size:1.5rem;
  font-weight:700;
  color:var(--accent-primary);
  margin-bottom:8px;
  letter-spacing:-.02em;
}
.feature-icon{
  width:48px;height:48px;
  border-radius:10px;
  background:var(--accent-soft);
  color:var(--accent-primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.25rem;
  margin-bottom:16px;
}
.feature-text h3{
  font-size:1.375rem;
  font-weight:700;
  margin-bottom:12px;
  letter-spacing:-.01em;
}
.feature-text p{
  color:var(--text-secondary);
  line-height:1.75;
  font-size:.9375rem;
}
.feature-visual{
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.feature-visual img{
  width:100%;
  height:auto;
  transition:transform .5s var(--ease);
}
.feature-visual:hover img{transform:scale(1.03);}
@media(max-width:992px){
  .feature-row{grid-template-columns:1fr;gap:32px;padding:32px 0;}
  .feature-row.reverse .feature-text{order:1;}
  .feature-row.reverse .feature-visual{order:2;}
}

/* ---------- Scenario tabs ---------- */
.scenarios-section{
  background:var(--bg-card);
  border-top:1px solid var(--border-color);
  border-bottom:1px solid var(--border-color);
}
.scenario-card{
  background:#fff;
  border:1px solid var(--border-color);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  min-height:420px;
}
.scenario-tabs{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:24px;
}
.scenario-tab-btn{
  display:flex;
  align-items:flex-start;
  gap:14px;
  text-align:left;
  background:transparent;
  border:none;
  padding:16px 18px;
  border-radius:10px;
  cursor:pointer;
  transition:background var(--transition);
  width:100%;
}
.scenario-tab-btn:hover{background:rgba(185,138,94,.06);}
.scenario-tab-btn.active{background:var(--accent-soft);}
.scenario-tab-btn .tab-index{
  font-family:var(--font-num);
  font-size:.8125rem;
  font-weight:600;
  color:var(--accent-primary);
  margin-top:4px;
  min-width:24px;
}
.scenario-tab-btn .tab-title{
  font-weight:600;
  font-size:.9375rem;
  color:var(--text-primary);
  margin-bottom:4px;
}
.scenario-tab-btn .tab-desc{
  font-size:.8125rem;
  color:var(--text-secondary);
  line-height:1.5;
}
.scenario-panel{
  padding:32px;
}
.scenario-panel img{
  width:100%;
  border-radius:var(--radius-md);
  margin-bottom:24px;
  object-fit:cover;
  height:220px;
}
.scenario-panel h3{
  font-size:1.25rem;
  font-weight:700;
  margin-bottom:12px;
}
.scenario-panel p{
  color:var(--text-secondary);
  font-size:.9375rem;
  line-height:1.75;
}
@media(max-width:768px){
  .scenario-tabs{flex-direction:row;overflow-x:auto;padding:16px;}
  .scenario-tab-btn{min-width:220px;padding:12px;}
  .scenario-panel{padding:20px;}
}

/* ---------- Case dark ---------- */
.case-section{
  background:var(--bg-deep);
  color:#fff;
}
.case-section .section-title{color:#fff;}
.case-section .section-desc{color:rgba(255,255,255,.7);}
.case-quote{
  font-size:1.375rem;
  font-weight:500;
  line-height:1.5;
  color:#fff;
  max-width:800px;
  margin:0 auto 40px;
  text-align:center;
  letter-spacing:-.01em;
}
.case-quote .accent{
  color:var(--accent-hover);
}
.case-metrics{
  display:flex;
  justify-content:center;
  gap:48px;
  flex-wrap:wrap;
  margin-top:40px;
}
.case-metric{
  text-align:center;
}
.case-metric .value{
  font-family:var(--font-num);
  font-size:2rem;
  font-weight:700;
  color:var(--accent-hover);
  line-height:1.2;
}
.case-metric .label{
  font-size:.875rem;
  color:rgba(255,255,255,.65);
  margin-top:8px;
}
.case-tags{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px;
  margin-top:32px;
}
.case-tag{
  padding:6px 16px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;
  font-size:.8125rem;
  color:rgba(255,255,255,.7);
  transition:all var(--transition);
}
.case-tag:hover{
  border-color:var(--accent-hover);
  color:var(--accent-hover);
  background:rgba(185,138,94,.1);
}
@media(max-width:768px){
  .case-quote{font-size:1.125rem;}
  .case-metrics{gap:24px;}
}

/* ---------- Pricing ---------- */
.pricing-section{
  background:var(--bg-primary);
}
.pricing-left{
  padding:32px 0;
}
.pricing-left .price-main{
  font-family:var(--font-num);
  font-size:2.25rem;
  font-weight:700;
  color:var(--text-primary);
  letter-spacing:-.02em;
  margin-bottom:8px;
}
.pricing-left .price-main .period{
  font-size:1rem;
  font-weight:400;
  color:var(--text-secondary);
  letter-spacing:0;
}
.pricing-card{
  background:#fff;
  border:1px solid var(--border-color);
  border-radius:var(--radius-md);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--transition), box-shadow var(--transition);
  height:100%;
}
.pricing-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
}
.pricing-card.featured{
  background:var(--bg-deep);
  border-color:rgba(255,255,255,.12);
  color:#fff;
}
.pricing-card .pricing-name{
  font-size:1rem;
  font-weight:700;
  margin-bottom:8px;
}
.pricing-card.featured .pricing-name{color:#fff;}
.pricing-card .pricing-price{
  font-family:var(--font-num);
  font-size:1.75rem;
  font-weight:700;
  color:var(--text-primary);
  margin-bottom:16px;
}
.pricing-card.featured .pricing-price{color:var(--accent-hover);}
.pricing-card .pricing-features{
  margin:16px 0 24px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.pricing-card .pricing-features li{
  display:flex;
  align-items:flex-start;
  gap:8px;
  font-size:.875rem;
  line-height:1.5;
}
.pricing-card.featured .pricing-features li{color:rgba(255,255,255,.8);}
.pricing-card .pricing-features i{
  color:var(--accent-primary);
  margin-top:4px;
}
.pricing-card.featured .pricing-features i{color:var(--accent-hover);}
@media(max-width:768px){
  .pricing-left{padding:16px 0 32px;}
}

/* ---------- CMS list ---------- */
.cms-section{
  background:var(--bg-card);
  border-top:1px solid var(--border-color);
  border-bottom:1px solid var(--border-color);
}
.post-card{
  background:#fff;
  border:1px solid var(--border-color);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--transition), box-shadow var(--transition);
  height:100%;
  display:flex;
  flex-direction:column;
}
.post-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
}
.post-card .post-cover{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9;
}
.post-card .post-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.post-card:hover .post-cover img{transform:scale(1.03);}
.post-card .post-body{
  padding:20px 24px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.post-meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:12px;
  font-size:.8125rem;
  color:var(--text-secondary);
}
.post-meta .badge{
  background:var(--support);
  color:#fff;
  font-weight:500;
  padding:4px 10px;
  border-radius:var(--radius-sm);
  font-size:.8125rem;
}
.post-card h3{
  font-size:1.125rem;
  font-weight:600;
  margin-bottom:12px;
  line-height:1.4;
  letter-spacing:-.01em;
}
.post-card h3 a{
  color:var(--text-primary);
  text-decoration:none;
  transition:color var(--transition);
}
.post-card h3 a:hover{color:var(--accent-primary);}
.post-card .post-excerpt{
  font-size:.875rem;
  color:var(--text-secondary);
  line-height:1.6;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  flex:1;
}
.post-card .post-link{
  font-size:.875rem;
  font-weight:500;
  color:var(--accent-primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap var(--transition);
}
.post-card .post-link:hover{gap:10px;}
.cms-empty{
  text-align:center;
  padding:60px 20px;
  color:var(--text-secondary);
  font-size:.9375rem;
}
.cms-empty i{
  font-size:2rem;
  display:block;
  margin-bottom:12px;
  color:var(--accent-primary);
}
@media(max-width:768px){
  .post-body{padding:16px;}
}

/* ---------- FAQ ---------- */
.faq-section{
  background:var(--bg-primary);
}
.faq-item{
  background:#fff;
  border:1px solid var(--border-color);
  border-radius:var(--radius-md);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.faq-item .faq-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 24px;
  cursor:pointer;
  font-weight:600;
  font-size:.9375rem;
  color:var(--text-primary);
  transition:background var(--transition);
}
.faq-item .faq-header:hover{
  background:rgba(185,138,94,.04);
}
.faq-item .faq-header .faq-icon{
  width:24px;height:24px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent-primary);
  font-size:1.125rem;
  transition:transform .3s var(--ease);
  flex-shrink:0;
}
.faq-item .faq-header[aria-expanded="true"] .faq-icon{
  transform:rotate(45deg);
}
.faq-item .faq-body{
  padding:0 24px 20px;
  color:var(--text-secondary);
  font-size:.875rem;
  line-height:1.7;
}

/* ---------- CTA ---------- */
.cta-section{
  position:relative;
  background:linear-gradient(rgba(24,26,31,.82), rgba(24,26,31,.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
  text-align:center;
  padding:104px 0;
}
.cta-section h2{
  color:#fff;
  font-size:clamp(1.75rem, 3vw, 2.5rem);
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.cta-section p{
  color:rgba(255,255,255,.75);
  font-size:1.0625rem;
  max-width:560px;
  margin:0 auto 36px;
  line-height:1.75;
}
.cta-section .btn-lg-custom{
  font-size:1.0625rem;
  padding:16px 40px;
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--bg-deep);
  color:rgba(255,255,255,.7);
  padding:64px 0 0;
}
.footer-inner{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand .brand-text{
  color:#fff;
  margin-bottom:12px;
}
.footer-brand p{
  font-size:.875rem;
  color:rgba(255,255,255,.65);
  line-height:1.6;
  max-width:280px;
}
.footer-col h4{
  font-size:.8125rem;
  font-weight:700;
  letter-spacing:.1em;
  color:rgba(255,255,255,.5);
  text-transform:uppercase;
  margin-bottom:16px;
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col ul li a{
  font-size:.9375rem;
  color:rgba(255,255,255,.7);
  transition:color var(--transition);
}
.footer-col ul li a:hover{
  color:var(--accent-hover);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:.8125rem;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{
  color:rgba(255,255,255,.5);
}
.footer-bottom a:hover{
  color:var(--accent-hover);
}
@media(max-width:992px){
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px;}
}
@media(max-width:576px){
  .footer-inner{grid-template-columns:1fr;gap:28px;}
}

/* ---------- Breadcrumb ---------- */
.breadcrumb-shell{
  padding:96px 0 0;
  background:var(--bg-primary);
}
.breadcrumb-shell .breadcrumb{
  margin:0;
  font-size:.875rem;
}
.breadcrumb-shell .breadcrumb a{
  color:var(--text-secondary);
}
.breadcrumb-shell .breadcrumb a:hover{color:var(--accent-primary);}
.breadcrumb-shell .breadcrumb .active{
  color:var(--accent-primary);
  font-weight:500;
}

/* ---------- Page hero small ---------- */
.page-hero{
  background:var(--bg-primary);
  padding:40px 0 56px;
}
.page-hero h1{
  font-size:clamp(1.875rem, 3vw, 2.375rem);
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.page-hero .hero-desc{
  color:var(--text-secondary);
  max-width:680px;
  font-size:1rem;
  line-height:1.75;
}
.hero-tag-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}
.hero-tag-list .tag{
  padding:5px 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--border-color);
  font-size:.8125rem;
  color:var(--support);
  transition:all var(--transition);
}
.hero-tag-list .tag:hover{
  border-color:var(--accent-primary);
  color:var(--accent-primary);
  background:var(--accent-soft);
}

/* ---------- Horizontal rail list ---------- */
.rail-list .rail-item{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-bottom:24px;
}
.rail-featured{
  background:var(--bg-deep);
  color:#fff;
  border-radius:var(--radius-lg);
  padding:40px;
  margin-bottom:24px;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:32px;
  align-items:center;
  box-shadow:var(--shadow-2);
}
.rail-featured .featured-title{
  font-size:1.375rem;
  font-weight:700;
  color:#fff;
  margin-bottom:12px;
}
.rail-featured .featured-desc{
  color:rgba(255,255,255,.75);
  font-size:.9375rem;
  line-height:1.7;
  margin-bottom:20px;
}
.rail-featured .featured-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--accent-primary);
  color:var(--text-primary);
  font-weight:600;
  padding:10px 20px;
  border-radius:8px;
  font-size:.875rem;
  transition:background var(--transition), transform var(--transition);
}
.rail-featured .featured-btn:hover{
  background:var(--accent-hover);
  color:var(--text-primary);
  transform:translateY(-2px);
}
.rail-featured .featured-cta-link{
  color:var(--accent-hover);
  font-size:.875rem;
  font-weight:500;
  margin-left:16px;
  transition:color var(--transition);
}
.rail-featured .featured-cta-link:hover{color:#fff;}
.rail-featured .featured-meta{
  margin-top:16px;
  display:flex;
  gap:16px;
  font-size:.8125rem;
  color:rgba(255,255,255,.5);
}
@media(max-width:768px){
  .rail-list .rail-item{grid-template-columns:1fr;}
  .rail-featured{grid-template-columns:1fr;padding:28px;}
}

/* ---------- Numbered list ---------- */
.numbered-list .num-item{
  display:grid;
  grid-template-columns:96px 1fr;
  gap:32px;
  padding:36px 0;
  border-bottom:1px solid var(--border-color);
}
.numbered-list .num-item:last-child{border-bottom:none;}
.num-index{
  font-family:var(--font-num);
  font-size:2.625rem;
  font-weight:700;
  color:var(--accent-primary);
  letter-spacing:-.03em;
  line-height:1;
}
.num-body h3{
  font-size:1.25rem;
  font-weight:700;
  margin-bottom:10px;
  letter-spacing:-.01em;
}
.num-body p{
  color:var(--text-secondary);
  font-size:.9375rem;
  line-height:1.7;
  margin-bottom:12px;
  max-width:720px;
}
.num-body .num-link{
  font-size:.875rem;
  font-weight:500;
  color:var(--accent-primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap var(--transition);
}
.num-body .num-link:hover{gap:10px;}
@media(max-width:768px){
  .numbered-list .num-item{grid-template-columns:64px 1fr;gap:20px;padding:28px 0;}
  .num-index{font-size:2rem;}
}

/* ---------- Article layout ---------- */
.article-shell{
  padding:40px 0 80px;
  background:var(--bg-primary);
}
.article-hero{
  background:var(--bg-primary);
  padding:24px 0 8px;
}
.article-hero h1{
  font-size:clamp(1.6rem, 2.5vw, 2.125rem);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.3;
  margin-bottom:16px;
}
.article-meta{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-size:.875rem;
  color:var(--text-secondary);
  padding-bottom:24px;
  border-bottom:1px solid var(--border-color);
  margin-bottom:32px;
}
.article-meta .badge{
  background:var(--accent-soft);
  color:var(--accent-primary);
  font-weight:600;
  padding:4px 12px;
  border-radius:6px;
  font-size:.8125rem;
}
.article-cover{
  border-radius:var(--radius-lg);
  overflow:hidden;
  margin-bottom:40px;
  box-shadow:var(--shadow-2);
}
.article-cover img{
  width:100%;
  height:auto;
  object-fit:cover;
}
.article-content{
  max-width:760px;
  margin:0 auto;
  font-size:1rem;
  line-height:1.9;
  color:var(--text-primary);
}
.article-content h2{
  font-size:1.5rem;
  font-weight:700;
  margin:40px 0 20px;
  letter-spacing:-.01em;
}
.article-content h3{
  font-size:1.25rem;
  font-weight:700;
  margin:32px 0 16px;
}
.article-content p{
  margin-bottom:1.5em;
}
.article-content blockquote{
  border-left:3px solid var(--accent-primary);
  background:var(--bg-primary);
  padding:16px 20px;
  margin:24px 0;
  border-radius:0 8px 8px 0;
  color:var(--text-secondary);
  font-style:normal;
}
.article-content blockquote p{margin:0;}
.article-content img{
  border-radius:var(--radius-md);
  margin:24px 0 8px;
}
.article-content figure{
  margin:24px 0;
}
.article-content figcaption{
  font-size:.8125rem;
  color:var(--text-secondary);
  text-align:center;
  margin-top:8px;
}
.article-content ul, .article-content ol{
  margin:0 0 1.5em 1.2em;
  padding-left:0;
}
.article-content ul li{
  list-style:disc;
  margin-bottom:.5em;
}
.article-content ol li{
  list-style:decimal;
  margin-bottom:.5em;
}
.article-content table{
  width:100%;
  margin:24px 0;
  border-collapse:collapse;
  font-size:.9375rem;
}
.article-content table th{
  background:var(--bg-primary);
  font-weight:600;
  text-align:left;
  padding:12px 16px;
  border:1px solid var(--border-color);
}
.article-content table td{
  padding:12px 16px;
  border:1px solid var(--border-color);
}
.article-tags{
  margin:40px 0 0;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.article-tags .tag-badge{
  padding:4px 14px;
  background:var(--accent-soft);
  color:var(--accent-primary);
  border-radius:999px;
  font-size:.8125rem;
  font-weight:500;
}
.article-pager{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-top:48px;
}
.pager-card{
  background:#fff;
  border:1px solid var(--border-color);
  border-radius:var(--radius-md);
  padding:20px 24px;
  transition:box-shadow var(--transition), transform var(--transition);
  display:block;
}
.pager-card:hover{
  box-shadow:var(--shadow-1);
  transform:translateY(-2px);
  color:var(--text-primary);
}
.pager-card .pager-label{
  font-size:.75rem;
  color:var(--text-secondary);
  margin-bottom:6px;
  display:block;
}
.pager-card .pager-title{
  font-size:.9375rem;
  font-weight:600;
  line-height:1.4;
}
@media(max-width:768px){
  .article-pager{grid-template-columns:1fr;}
}

/* ---------- Fallback style ---------- */
.img-hover-zoom{
  overflow:hidden;
  border-radius:var(--radius-md);
}
.img-hover-zoom img{
  transition:transform .5s var(--ease);
}
.img-hover-zoom:hover img{transform:scale(1.03);}
.section-heading{
  margin-bottom:48px;
}
@media(max-width:768px){
  .section-heading{margin-bottom:32px;}
}
hr.sep{
  border:none;
  border-top:1px solid var(--border-color);
  margin:0;
}

/* roulang page: category1 */
:root {
  --bg: #F7F5F2;
  --surface: #FFFFFF;
  --ink: #181A1F;
  --accent: #B98A5E;
  --accent-hover: #D4AF86;
  --accent-light: rgba(185, 138, 94, .12);
  --secondary: #5C7A74;
  --secondary-light: rgba(92, 122, 116, .10);
  --muted: #6B6E76;
  --border: #E7E1D8;
  --danger: #B5473C;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --shadow-1: 0 1px 2px rgba(16,18,24,.04), 0 4px 12px rgba(16,18,24,.05);
  --shadow-2: 0 2px 4px rgba(16,18,24,.04), 0 16px 32px rgba(16,18,24,.08);
  --shadow-3: 0 24px 64px rgba(16,18,24,.10);
  --ease: cubic-bezier(.2,.7,.2,1);
  --duration: 200ms;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "Inter", "Noto Sans SC", "PingFang SC", sans-serif;
  --navbar-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--ink);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

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

ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

input,
button {
  font-family: var(--font-sans);
}

.container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== Navbar ========== */
.site-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(247, 245, 242, .86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: var(--navbar-h);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 8px;
  color: var(--ink);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -0.02em;
  transition: background var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.brand-logo:hover .brand-mark {
  background: var(--accent-hover);
  transform: rotate(-4deg) scale(1.04);
}

.brand-text {
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0 auto;
}

.nav-item {
  position: relative;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  padding: 8px 2px;
  letter-spacing: 0.01em;
  transition: color var(--duration) var(--ease);
}

.nav-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--duration) var(--ease);
}

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

.nav-item:hover::after {
  width: 100%;
}

.nav-item.active {
  font-weight: 700;
  color: var(--ink);
}

.nav-item.active::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 2px;
  vertical-align: middle;
}

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

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

.search-cmd {
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  height: 38px;
  width: 220px;
  padding: 0 12px 0 14px;
  gap: 8px;
  transition: width 0.25s var(--ease), border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.search-cmd:focus-within {
  width: 300px;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(185, 138, 94, .18);
}

.search-icon {
  font-size: 14px;
  color: var(--muted);
}

.search-cmd input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 0.875rem;
  color: var(--ink);
  width: 100%;
}

.search-cmd input::placeholder {
  color: var(--muted);
}

.search-kbd {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  white-space: nowrap;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  border-radius: 8px;
  color: var(--ink);
  font-size: 16px;
  cursor: pointer;
  transition: background var(--duration) var(--ease), color var(--duration) var(--ease);
}

.icon-btn:hover {
  background: rgba(24, 26, 31, .05);
  color: var(--accent);
}

.icon-btn:focus-visible {
  outline: 2px solid rgba(185, 138, 94, .35);
  outline-offset: 2px;
}

.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  border-radius: 8px;
  padding: 10px 22px;
  cursor: pointer;
  transition: background var(--duration) var(--ease), transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), color var(--duration) var(--ease);
}

.btn-primary-custom:hover {
  background: var(--accent-hover);
  color: var(--ink);
  transform: translateY(-1px);
  box-shadow: var(--shadow-1);
}

.btn-primary-custom:active {
  transform: scale(.98);
}

.btn-primary-custom:focus-visible {
  outline: 2px solid rgba(185, 138, 94, .35);
  outline-offset: 2px;
}

.btn-primary-custom.btn-lg {
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 1rem;
}

.btn-outline-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.9375rem;
  border: 1px solid var(--ink);
  border-radius: 8px;
  padding: 9px 21px;
  cursor: pointer;
  transition: background var(--duration) var(--ease), border-color var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.btn-outline-custom:hover {
  background: rgba(24, 26, 31, .04);
  border-color: var(--ink);
  color: var(--ink);
  transform: translateY(-1px);
}

.btn-outline-custom:active {
  transform: scale(.98);
}

.btn-outline-custom:focus-visible {
  outline: 2px solid rgba(185, 138, 94, .35);
  outline-offset: 2px;
}

.btn-outline-custom.btn-lg {
  padding: 13px 31px;
  border-radius: 10px;
  font-size: 1rem;
}

.navbar-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 8px;
  font-size: 16px;
  color: var(--ink);
  cursor: pointer;
  transition: background var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.navbar-toggle:hover {
  background: var(--accent-light);
  border-color: var(--accent);
}

.navbar-toggle.active {
  background: var(--accent);
  border-color: var(--accent);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--navbar-h);
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 20px;
  box-shadow: var(--shadow-2);
  z-index: 999;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu .nav-item-mobile {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--duration) var(--ease);
}

.mobile-menu .nav-item-mobile:hover,
.mobile-menu .nav-item-mobile.active {
  color: var(--accent);
}

.mm-search {
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  height: 42px;
  padding: 0 14px;
  gap: 8px;
  margin-bottom: 14px;
}

.mm-search i {
  color: var(--muted);
  font-size: 14px;
}

.mm-search input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 0.875rem;
  width: 100%;
  color: var(--ink);
}

.mobile-menu .btn-primary-custom {
  width: 100%;
  margin-top: 4px;
}

/* ========== Page Hero ========== */
.page-hero {
  position: relative;
  padding: 76px 0 64px;
  background:
    linear-gradient(180deg, rgba(247, 245, 242, .92), rgba(247, 245, 242, .95)),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.page-hero .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--secondary);
  background: var(--secondary-light);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  margin-bottom: 20px;
}

.page-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  max-width: 720px;
}

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

.page-hero .hero-desc {
  font-size: 1.0625rem;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 28px;
}

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

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  transition: border-color var(--duration) var(--ease), background var(--duration) var(--ease);
}

.hero-tag i {
  font-size: 13px;
  color: var(--accent);
}

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

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

.section-head {
  margin-bottom: 48px;
  max-width: 640px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 12px;
  padding: 4px 12px;
  background: var(--secondary-light);
  border-radius: var(--radius-pill);
}

.section-head h2 {
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.section-head .section-sub {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

/* ========== Solution Track ========== */
.solution-track {
  padding: 96px 0;
  background: var(--bg);
}

.solution-grid {
  margin-top: 8px;
}

.solution-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  height: 100%;
  box-shadow: var(--shadow-1);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), border-color var(--duration) var(--ease);
  display: flex;
  flex-direction: column;
}

.solution-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: rgba(185, 138, 94, .35);
}

.solution-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  color: var(--accent);
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: background var(--duration) var(--ease), color var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.solution-card:hover .solution-icon {
  background: var(--accent);
  color: var(--ink);
  transform: scale(1.06) rotate(-3deg);
}

.solution-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.solution-card p {
  font-size: 0.9375rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.solution-tags span {
  font-size: 0.8125rem;
  color: var(--secondary);
  background: var(--secondary-light);
  border-radius: var(--radius-sm);
  padding: 3px 10px;
  font-weight: 500;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
  transition: color var(--duration) var(--ease), gap var(--duration) var(--ease);
}

.text-link i {
  font-size: 13px;
  transition: transform var(--duration) var(--ease);
}

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

.text-link:hover i {
  transform: translateX(3px);
}

/* ========== Feature Dark Card ========== */
.feature-card-dark {
  background: var(--ink);
  border-radius: var(--radius-lg);
  color: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-2);
  margin: 8px 0;
  min-height: 280px;
}

.feature-card-dark .feature-content {
  flex: 1.2;
  padding: 48px 44px;
}

.feature-card-dark .feature-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--ink);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 4px 14px;
  margin-bottom: 16px;
}

.feature-card-dark h3 {
  font-size: 1.625rem;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
  color: #fff;
}

.feature-card-dark p {
  color: rgba(255, 255, 255, .78);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 24px;
  max-width: 480px;
}

.feature-card-dark .btn-primary-custom {
  background: var(--accent);
  color: var(--ink);
}

.feature-card-dark .btn-primary-custom:hover {
  background: var(--accent-hover);
}

.feature-card-dark .btn-outline-custom {
  border-color: rgba(255, 255, 255, .5);
  color: #fff;
}

.feature-card-dark .btn-outline-custom:hover {
  background: rgba(255, 255, 255, .08);
  border-color: #fff;
  color: #fff;
}

.feature-card-dark .feature-visual {
  flex: 1;
  height: 100%;
  min-height: 280px;
  overflow: hidden;
}

.feature-card-dark .feature-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s var(--ease);
}

.feature-card-dark:hover .feature-visual img {
  transform: scale(1.03);
}

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

/* ========== Process ========== */
.process-section {
  padding: 80px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step {
  position: relative;
  padding: 32px 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.process-step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.process-step .step-num {
  font-family: var(--font-num);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  display: block;
  margin-bottom: 16px;
  opacity: .5;
  transition: opacity var(--duration) var(--ease);
}

.process-step:hover .step-num {
  opacity: 1;
}

.process-step h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ========== FAQ ========== */
.faq-section {
  padding: 96px 0;
  background: var(--bg);
}

.custom-accordion {
  max-width: 780px;
  margin: 0 auto;
}

.custom-accordion .accordion-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

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

.custom-accordion .accordion-header {
  margin: 0;
  border-bottom: none;
}

.custom-accordion .accordion-button {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--surface);
  padding: 20px 24px;
  border: none;
  box-shadow: none;
  transition: color var(--duration) var(--ease), background var(--duration) var(--ease);
  position: relative;
}

.custom-accordion .accordion-button::after {
  background-image: none;
  content: "+";
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  transition: transform var(--duration) var(--ease);
}

.custom-accordion .accordion-button:not(.collapsed) {
  background: var(--surface);
  color: var(--ink);
  box-shadow: none;
}

.custom-accordion .accordion-button:not(.collapsed)::after {
  transform: rotate(45deg);
}

.custom-accordion .accordion-button:focus {
  box-shadow: none;
  outline: 2px solid rgba(185, 138, 94, .35);
  outline-offset: -2px;
  border-radius: var(--radius-md);
}

.custom-accordion .accordion-body {
  padding: 0 24px 24px;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ========== CTA ========== */
.cta-section {
  padding: 96px 0;
  background:
    linear-gradient(180deg, rgba(24, 26, 31, .88), rgba(24, 26, 31, .94)),
    url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  text-align: center;
}

.cta-inner {
  max-width: 680px;
  margin: 0 auto;
}

.cta-inner h2 {
  color: #fff;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.cta-inner p {
  color: rgba(255, 255, 255, .78);
  font-size: 1.0625rem;
  margin-bottom: 32px;
  line-height: 1.7;
}

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

.cta-section .btn-primary-custom {
  background: var(--accent);
  color: var(--ink);
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 10px;
}

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

.cta-section .btn-outline-custom {
  border-color: rgba(255, 255, 255, .45);
  color: #fff;
  font-size: 1rem;
  padding: 13px 31px;
  border-radius: 10px;
}

.cta-section .btn-outline-custom:hover {
  background: rgba(255, 255, 255, .08);
  border-color: #fff;
  color: #fff;
}

/* ========== Footer ========== */
.site-footer {
  background: #181A1F;
  color: rgba(255, 255, 255, .75);
  padding: 64px 0 0;
}

.site-footer .brand-text {
  color: #fff;
  font-weight: 700;
  font-size: 1.125rem;
}

.site-footer .brand-mark {
  background: var(--accent);
  color: var(--ink);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.footer-brand p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, .58);
  margin-top: 14px;
  max-width: 300px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .45);
  margin-bottom: 16px;
}

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

.footer-col ul li a {
  color: rgba(255, 255, 255, .7);
  font-size: 0.9375rem;
  transition: color var(--duration) var(--ease);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding: 24px 0;
  color: rgba(255, 255, 255, .4);
  font-size: 0.8125rem;
}

.footer-bottom a {
  color: rgba(255, 255, 255, .5);
  transition: color var(--duration) var(--ease);
}

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

/* ========== Scrollbar ========== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: rgba(24, 26, 31, .18);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(24, 26, 31, .32);
}

/* ========== Reduced Motion ========== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ========== Responsive ========== */
@media (max-width: 1199.98px) {
  .search-cmd {
    width: 180px;
  }
  .search-cmd:focus-within {
    width: 240px;
  }
  .nav-links {
    gap: 20px;
  }
}

@media (max-width: 991.98px) {
  .nav-links {
    display: none;
  }
  .search-cmd {
    display: none;
  }
  .icon-btn {
    display: none;
  }
  .navbar-toggle {
    display: inline-flex;
  }
  .section-block,
  .solution-track,
  .faq-section,
  .process-section {
    padding: 72px 0;
  }
  .feature-card-dark {
    flex-direction: column;
  }
  .feature-card-dark .feature-content {
    padding: 36px 28px;
  }
  .feature-card-dark .feature-visual {
    width: 100%;
    min-height: 220px;
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .cta-section {
    padding: 72px 0;
  }
  .cta-inner h2 {
    font-size: 1.875rem;
  }
}

@media (max-width: 767.98px) {
  .page-hero {
    padding: 56px 0 48px;
  }
  .section-block,
  .solution-track,
  .faq-section,
  .process-section {
    padding: 56px 0;
  }
  .solution-card {
    padding: 22px;
  }
  .process-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .cta-inner h2 {
    font-size: 1.625rem;
  }
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  .cta-actions .btn-primary-custom,
  .cta-actions .btn-outline-custom {
    width: 100%;
    max-width: 320px;
  }
}

@media (max-width: 520px) {
  .brand-text {
    font-size: 0.9375rem;
  }
  .page-hero h1 {
    font-size: 1.75rem;
  }
  .section-head h2 {
    font-size: 1.5rem;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
  .feature-card-dark .feature-content {
    padding: 28px 22px;
  }
  .feature-card-dark h3 {
    font-size: 1.375rem;
  }
  .feature-actions {
    flex-direction: column;
  }
  .feature-actions .btn-primary-custom,
  .feature-actions .btn-outline-custom {
    width: 100%;
    justify-content: center;
  }
  .solution-tags span {
    font-size: 0.75rem;
  }
}

/* roulang page: article */
:root {
            --color-bg: #F7F5F2;
            --color-surface: #FFFFFF;
            --color-ink: #181A1F;
            --color-ink-soft: #2B2E36;
            --color-copper: #B98A5E;
            --color-copper-hover: #D4AF86;
            --color-copper-deep: #A4784E;
            --color-teal: #5C7A74;
            --color-muted: #6B6E76;
            --color-border: #E7E1D8;
            --color-danger: #B5473C;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-1: 0 1px 2px rgba(16,18,24,.04), 0 4px 12px rgba(16,18,24,.05);
            --shadow-2: 0 2px 4px rgba(16,18,24,.04), 0 16px 32px rgba(16,18,24,.08);
            --shadow-3: 0 24px 64px rgba(16,18,24,.10);
            --transition: 180ms cubic-bezier(.2,.7,.2,1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--color-bg);
            color: var(--color-ink);
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
        }
        input:focus,
        button:focus {
            outline: none;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }
        /* ========== 导航栏 ========== */
        .site-navbar {
            position: sticky;
            top: 0;
            z-index: 1080;
            height: 72px;
            background: rgba(247, 245, 242, .86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
        }
        .navbar-inner {
            height: 72px;
            display: flex;
            align-items: center;
            gap: 24px;
            justify-content: space-between;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--color-copper);
            color: #181A1F;
            border-radius: 8px;
            font-size: .8125rem;
            font-weight: 800;
            letter-spacing: -.02em;
            font-family: 'Inter', sans-serif;
            transition: background var(--transition);
        }
        .brand-mark:hover {
            background: var(--color-copper-hover);
        }
        .brand-text {
            font-size: 1.0625rem;
            color: var(--color-ink);
            font-weight: 700;
            letter-spacing: -.015em;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: 8px;
        }
        .nav-item {
            position: relative;
            font-size: .9375rem;
            color: var(--color-ink-soft);
            font-weight: 500;
            padding: 6px 2px;
            transition: color var(--transition);
        }
        .nav-item::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--color-copper);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-item:hover {
            color: var(--color-copper-deep);
        }
        .nav-item:hover::after {
            width: 100%;
        }
        .nav-item.active {
            color: var(--color-ink);
            font-weight: 700;
        }
        .nav-item.active::before {
            content: '';
            display: inline-block;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--color-copper);
            margin-right: 6px;
            vertical-align: middle;
            transform: translateY(-2px);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }
        .search-cmd {
            display: flex;
            align-items: center;
            gap: 8px;
            width: 220px;
            height: 38px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 0 12px;
            transition: width var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        .search-cmd:focus-within {
            width: 300px;
            border-color: var(--color-copper);
            box-shadow: 0 0 0 3px rgba(185, 138, 94, .15);
        }
        .search-icon {
            font-size: .8125rem;
            color: var(--color-muted);
        }
        .search-cmd input {
            flex: 1;
            min-width: 0;
            font-size: .875rem;
            color: var(--color-ink);
            background: transparent;
        }
        .search-cmd input::placeholder {
            color: #6B6E76;
        }
        .search-kbd {
            flex-shrink: 0;
            font-size: .6875rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-ink);
            border-radius: 4px;
            padding: 2px 6px;
            letter-spacing: .02em;
        }
        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            color: var(--color-ink-soft);
            background: transparent;
            border: 1px solid transparent;
            transition: background var(--transition), color var(--transition), border-color var(--transition);
        }
        .icon-btn:hover {
            background: rgba(24, 26, 31, .05);
            color: var(--color-ink);
            border-color: var(--color-border);
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--color-copper);
            color: var(--color-ink);
            font-size: .9375rem;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 8px;
            border: 1px solid transparent;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-primary-custom:hover {
            background: var(--color-copper-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-1);
        }
        .btn-primary-custom:active {
            transform: scale(.98);
        }
        .btn-primary-custom:focus-visible,
        .nav-item:focus-visible,
        .icon-btn:focus-visible {
            outline: 2px solid rgba(185, 138, 94, .35);
            outline-offset: 2px;
        }
        .navbar-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 8px;
            color: var(--color-ink);
            border: 1px solid var(--color-border);
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: background var(--transition), border-color var(--transition);
        }
        .navbar-toggle:hover {
            background: rgba(24, 26, 31, .04);
            border-color: var(--color-copper);
        }
        /* ========== 面包屑 ========== */
        .breadcrumb-wrap {
            padding: 28px 0 0;
        }
        .breadcrumb-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
            font-size: .875rem;
            color: var(--color-muted);
        }
        .breadcrumb-list li {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-list li + li::before {
            content: '/';
            color: #BDB7AE;
            font-size: .8125rem;
        }
        .breadcrumb-list a {
            color: var(--color-muted);
            transition: color var(--transition);
        }
        .breadcrumb-list a:hover {
            color: var(--color-copper-deep);
        }
        .breadcrumb-list .active {
            color: var(--color-ink);
            font-weight: 500;
            max-width: 360px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        /* ========== 文章主体 ========== */
        .article-main {
            padding: 20px 0 64px;
        }
        .article-inner {
            max-width: 920px;
            margin: 0 auto;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-1);
            padding: 44px 52px 56px;
        }
        .article-head {
            text-align: center;
            max-width: 820px;
            margin: 0 auto 32px;
        }
        .badge-category {
            display: inline-block;
            background: rgba(92, 122, 116, .12);
            color: var(--color-teal);
            font-size: .8125rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 4px 12px;
            letter-spacing: .02em;
            transition: background var(--transition);
        }
        .badge-category:hover {
            background: rgba(92, 122, 116, .2);
        }
        .article-title {
            font-size: clamp(1.875rem, 4vw, 2.625rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -.02em;
            color: var(--color-ink);
            margin: 20px 0 16px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 18px;
            color: var(--color-muted);
            font-size: .875rem;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item i {
            color: var(--color-copper);
            font-size: .8125rem;
        }
        .meta-item time {
            font-family: 'Inter', 'Noto Sans SC', sans-serif;
        }
        .article-hero {
            margin-bottom: 36px;
        }
        .article-hero img {
            width: 100%;
            border-radius: var(--radius-lg);
            object-fit: cover;
            box-shadow: var(--shadow-1);
            display: block;
        }
        .article-content-body {
            max-width: 860px;
            margin: 0 auto;
        }
        .article-content {
            max-width: 760px;
            margin: 0 auto;
            color: var(--color-ink);
        }
        .article-content p {
            margin-bottom: 1.6em;
            line-height: 1.8;
            color: #292C34;
        }
        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 44px 0 16px;
            color: var(--color-ink);
            letter-spacing: -.01em;
            line-height: 1.3;
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: var(--color-ink);
            line-height: 1.4;
        }
        .article-content h4 {
            font-size: 1.125rem;
            font-weight: 600;
            margin: 26px 0 10px;
            color: var(--color-ink);
        }
        .article-content a {
            color: var(--color-copper-deep);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(185, 138, 94, .35);
            transition: color var(--transition), text-decoration-color var(--transition);
        }
        .article-content a:hover {
            color: var(--color-copper);
            text-decoration-color: var(--color-copper);
        }
        .article-content blockquote {
            border-left: 3px solid var(--color-copper);
            background: #F7F5F2;
            padding: 16px 22px;
            border-radius: 0 8px 8px 0;
            margin: 28px 0;
            color: #42454D;
            font-style: normal;
            line-height: 1.7;
        }
        .article-content ul,
        .article-content ol {
            margin: 16px 0 24px;
            padding-left: 1.5em;
            color: #292C34;
            line-height: 1.8;
        }
        .article-content li {
            margin-bottom: 6px;
        }
        .article-content img {
            width: 100%;
            border-radius: var(--radius-md);
            margin: 28px 0;
            box-shadow: var(--shadow-1);
        }
        .article-content figure {
            margin: 28px 0;
        }
        .article-content figcaption {
            text-align: center;
            font-size: .8125rem;
            color: var(--color-muted);
            margin-top: 10px;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            font-size: .9375rem;
            border-radius: 8px;
            overflow: hidden;
        }
        .article-content th {
            background: #F2EDE6;
            color: var(--color-ink);
            font-weight: 600;
            padding: 12px 16px;
            border: 1px solid var(--color-border);
            text-align: left;
        }
        .article-content td {
            padding: 10px 16px;
            border: 1px solid var(--color-border);
            color: #292C34;
        }
        .article-content hr {
            border: none;
            border-top: 1px solid var(--color-border);
            margin: 32px 0;
        }
        .article-content code {
            background: #F2EDE6;
            color: #9A5B32;
            border-radius: 4px;
            padding: 2px 6px;
            font-size: .875em;
            font-family: 'Inter', 'SFMono-Regular', Consolas, monospace;
        }
        .article-content pre {
            background: #181A1F;
            color: #E8E6E3;
            border-radius: 12px;
            padding: 20px 24px;
            overflow-x: auto;
            margin: 28px 0;
            font-size: .875rem;
            line-height: 1.6;
        }
        .article-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: var(--color-muted);
        }
        .empty-state i {
            font-size: 2.5rem;
            color: var(--color-border);
            margin-bottom: 16px;
        }
        .empty-state h2 {
            font-size: 1.375rem;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 8px;
        }
        .empty-state p {
            color: var(--color-muted);
            margin-bottom: 24px;
        }
        /* ========== 标签区 ========== */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            max-width: 760px;
            margin: 40px auto 0;
            padding-top: 28px;
            border-top: 1px solid var(--color-border);
        }
        .tag-label {
            font-size: .8125rem;
            color: var(--color-muted);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-right: 2px;
        }
        .tag-badge {
            display: inline-block;
            background: rgba(185, 138, 94, .08);
            color: var(--color-copper-deep);
            font-size: .8125rem;
            font-weight: 500;
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            border: 1px solid rgba(185, 138, 94, .15);
            transition: background var(--transition), border-color var(--transition);
        }
        .tag-badge:hover {
            background: rgba(185, 138, 94, .14);
            border-color: rgba(185, 138, 94, .3);
        }
        /* ========== 上一篇/下一篇 ========== */
        .post-navigation {
            max-width: 760px;
            margin: 36px auto 0;
        }
        .post-nav-link {
            display: flex;
            flex-direction: column;
            gap: 4px;
            background: #F7F5F2;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            height: 100%;
            transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        .post-nav-link:hover {
            background: #FDFBF8;
            border-color: var(--color-copper);
            box-shadow: var(--shadow-1);
        }
        .post-nav-link.disabled {
            opacity: .55;
            pointer-events: none;
        }
        .post-nav-label {
            font-size: .8125rem;
            color: var(--color-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }
        .post-nav-label i {
            color: var(--color-copper);
            font-size: .75rem;
        }
        .post-nav-title {
            font-size: .9375rem;
            color: var(--color-ink);
            font-weight: 600;
            line-height: 1.5;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        /* ========== 相关推荐 ========== */
        .related-section {
            padding: 72px 0 40px;
        }
        .section-title {
            font-size: 1.875rem;
            font-weight: 700;
            letter-spacing: -.015em;
            color: var(--color-ink);
            margin-bottom: 36px;
            text-align: center;
        }
        .related-card {
            display: block;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow-1);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .related-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-2);
        }
        .related-thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #EDEAE5;
        }
        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s cubic-bezier(.2, .7, .2, 1);
        }
        .related-card:hover .related-thumb img {
            transform: scale(1.04);
        }
        .related-body {
            padding: 20px 22px 24px;
        }
        .related-body .badge-category {
            margin-bottom: 10px;
        }
        .related-body h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--color-ink);
            line-height: 1.4;
            margin-bottom: 8px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .related-body p {
            font-size: .875rem;
            color: var(--color-muted);
            line-height: 1.6;
            margin-bottom: 14px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .related-body time {
            font-size: .8125rem;
            color: var(--color-muted);
            font-family: 'Inter', 'Noto Sans SC', sans-serif;
        }
        .back-home-link {
            padding: 60px 20px;
        }
        .back-home-link a {
            color: var(--color-copper-deep);
            font-weight: 500;
            border-bottom: 1px solid rgba(185, 138, 94, .4);
            padding-bottom: 2px;
        }
        .back-home-link a:hover {
            color: var(--color-copper);
            border-color: var(--color-copper);
        }
        /* ========== CTA ========== */
        .article-cta {
            margin: 40px 0 0;
            padding: 72px 0 80px;
            background: linear-gradient(rgba(24, 26, 31, .88), rgba(24, 26, 31, .92)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
        }
        .cta-inner {
            text-align: center;
            color: #fff;
            max-width: 640px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .cta-inner h2 {
            font-size: clamp(1.625rem, 3.4vw, 2.25rem);
            font-weight: 700;
            letter-spacing: -.015em;
            margin-bottom: 14px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .82);
            font-size: 1rem;
            margin-bottom: 32px;
        }
        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-copper);
            color: var(--color-ink);
            font-size: 1rem;
            font-weight: 600;
            padding: 14px 36px;
            border-radius: 10px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .btn-primary-lg:hover {
            background: var(--color-copper-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(185, 138, 94, .3);
        }
        .btn-primary-lg:active {
            transform: scale(.97);
        }
        .btn-primary-lg:focus-visible {
            outline: 2px solid rgba(212, 175, 134, .6);
            outline-offset: 3px;
        }
        /* ========== 页脚 ========== */
        .site-footer {
            background: #181A1F;
            color: #C9CCD4;
            padding: 64px 0 0;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand .brand-text {
            color: #fff;
            font-size: 1.125rem;
            font-weight: 700;
            letter-spacing: -.015em;
            display: block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, .65);
            font-size: .9375rem;
            line-height: 1.6;
            max-width: 280px;
            margin: 0;
        }
        .footer-col h4 {
            color: rgba(255, 255, 255, .9);
            font-size: .8125rem;
            font-weight: 600;
            letter-spacing: .1em;
            text-transform: uppercase;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col li {
            margin-bottom: 10px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, .7);
            font-size: .9375rem;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--color-copper-hover);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: .8125rem;
            color: rgba(255, 255, 255, .45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .55);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--color-copper-hover);
        }
        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .search-cmd {
                width: 180px;
            }
            .search-cmd:focus-within {
                width: 240px;
            }
            .nav-links {
                gap: 20px;
            }
            .footer-inner {
                grid-template-columns: 2fr 1fr 1fr;
                gap: 36px;
            }
        }
        @media (max-width: 840px) {
            .article-inner {
                padding: 32px 28px 44px;
                border-radius: 14px;
            }
            .section-title {
                font-size: 1.5rem;
                margin-bottom: 28px;
            }
        }
        @media (max-width: 767.98px) {
            .site-navbar {
                height: 64px;
            }
            .navbar-inner {
                height: 64px;
            }
            .brand-text {
                font-size: 1rem;
            }
            .brand-mark {
                width: 30px;
                height: 30px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(247, 245, 242, .98);
                border-bottom: 1px solid var(--color-border);
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding: 16px 24px 20px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links .nav-item {
                padding: 10px 0;
                width: 100%;
                border-bottom: 1px solid rgba(231, 225, 216, .6);
            }
            .search-cmd {
                display: none;
            }
            .icon-btn {
                display: none;
            }
            .navbar-toggle {
                display: inline-flex;
            }
            .nav-right {
                margin-left: 0;
            }
            .btn-primary-custom {
                padding: 8px 16px;
                font-size: .875rem;
            }
            .article-inner {
                padding: 24px 18px 36px;
                border-radius: 12px;
            }
            .article-title {
                font-size: 1.625rem;
                margin: 16px 0 12px;
            }
            .article-meta {
                gap: 12px;
                font-size: .8125rem;
            }
            .article-hero {
                margin-bottom: 24px;
            }
            .article-content {
                line-height: 1.7;
            }
            .article-content p {
                line-height: 1.75;
                font-size: .9375rem;
            }
            .article-content h2 {
                font-size: 1.3125rem;
                margin-top: 32px;
            }
            .article-content h3 {
                font-size: 1.125rem;
            }
            .article-tags {
                margin-top: 28px;
                padding-top: 20px;
            }
            .post-navigation {
                margin-top: 24px;
            }
            .post-nav-link {
                padding: 14px 16px;
            }
            .related-section {
                padding: 56px 0 32px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .brand-text {
                font-size: .9375rem;
                white-space: normal;
                line-height: 1.2;
            }
            .brand-mark {
                width: 28px;
                height: 28px;
            }
            .btn-primary-custom {
                padding: 7px 12px;
                font-size: .8125rem;
            }
            .breadcrumb-wrap {
                padding-top: 20px;
            }
            .breadcrumb-list {
                font-size: .8125rem;
            }
            .breadcrumb-list .active {
                max-width: 190px;
            }
            .article-title {
                font-size: 1.375rem;
            }
            .article-meta {
                gap: 8px;
                font-size: .75rem;
                flex-wrap: wrap;
            }
            .meta-item i {
                font-size: .6875rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: .01ms !important;
                transition-duration: .01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category2 */
:root{
  --bg-warm:#F7F5F2;
  --surface-white:#FFFFFF;
  --ink:#181A1F;
  --copper:#B98A5E;
  --copper-light:#D4AF86;
  --sage:#5C7A74;
  --muted:#6B6E76;
  --border:#E7E1D8;
  --danger:#B5473C;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:18px;
  --shadow-1:0 1px 2px rgba(16,18,24,.04),0 4px 12px rgba(16,18,24,.05);
  --shadow-2:0 2px 4px rgba(16,18,24,.04),0 16px 32px rgba(16,18,24,.08);
  --shadow-3:0 24px 64px rgba(16,18,24,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --transition:180ms var(--ease);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:1rem;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg-warm);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--copper);}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
ul,ol{list-style:none;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}
::selection{background:rgba(185,138,94,.2);}

/* 导航 */
.site-navbar{
  position:sticky;top:0;z-index:1000;
  height:72px;
  background:rgba(247,245,242,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.navbar-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.brand-logo{
  display:flex;align-items:center;gap:10px;
  flex-shrink:0;
}
.brand-mark{
  display:flex;align-items:center;justify-content:center;
  width:34px;height:34px;
  background:var(--copper);
  border-radius:8px;
  color:#fff;
  font-family:"Inter",sans-serif;
  font-size:.9375rem;font-weight:800;letter-spacing:-.02em;
}
.brand-text{
  font-size:1.0625rem;font-weight:700;letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-item{
  position:relative;
  font-size:.9375rem;font-weight:500;
  color:var(--ink);
  padding:6px 2px;
  white-space:nowrap;
  transition:color var(--transition);
}
.nav-item::after{
  content:"";position:absolute;left:0;bottom:-2px;
  width:100%;height:2px;
  background:var(--copper);
  transform:scaleX(0);transform-origin:left center;
  transition:transform var(--transition);
}
.nav-item:hover{color:var(--copper);}
.nav-item:hover::after{transform:scaleX(1);}
.nav-item.active{font-weight:700;color:var(--ink);}
.nav-item.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.search-cmd{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 12px 0 14px;
  background:var(--surface-white);
  border:1px solid var(--border);
  border-radius:999px;
  transition:border-color var(--transition),box-shadow var(--transition);
}
.search-cmd:focus-within{
  border-color:var(--copper);
  box-shadow:0 0 0 3px rgba(185,138,94,.15);
}
.search-cmd .search-icon{font-size:.8125rem;color:var(--muted);}
.search-cmd input{
  border:none;outline:none;background:transparent;
  font-size:.875rem;color:var(--ink);
  width:150px;
  transition:width var(--transition);
}
.search-cmd input::placeholder{color:#A09C96;}
.search-cmd input:focus{width:200px;}
.search-kbd{
  font-size:.6875rem;font-family:"Inter",sans-serif;
  color:var(--muted);background:var(--bg-warm);
  border:1px solid var(--border);border-radius:4px;
  padding:2px 6px;white-space:nowrap;
}
.icon-btn{
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:8px;
  color:var(--ink);
  font-size:.9375rem;
  transition:background var(--transition),color var(--transition);
}
.icon-btn:hover{background:rgba(24,26,31,.06);color:var(--copper);}
.btn-primary-custom{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 22px;
  background:var(--copper);
  color:var(--ink);
  font-size:.9375rem;font-weight:600;
  border-radius:8px;
  white-space:nowrap;
  transition:background var(--transition),transform var(--transition),box-shadow var(--transition);
}
.btn-primary-custom:hover{
  background:var(--copper-light);
  color:var(--ink);
  transform:translateY(-1px);
  box-shadow:var(--shadow-1);
}
.btn-primary-custom:active{transform:scale(.98);}
.btn-primary-custom:focus-visible,
.icon-btn:focus-visible,
.nav-item:focus-visible{
  outline:2px solid rgba(185,138,94,.35);
  outline-offset:2px;
}
.navbar-toggle{
  display:none;
  width:38px;height:38px;
  font-size:1rem;color:var(--ink);
  border-radius:8px;
  align-items:center;justify-content:center;
}
.navbar-toggle:hover{background:rgba(24,26,31,.06);}

/* Hero */
.page-hero{
  position:relative;
  padding:84px 0 72px;
  background:
    linear-gradient(180deg,rgba(247,245,242,.92),rgba(247,245,242,.86)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero .container{position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:600;
  color:var(--copper);
  background:rgba(185,138,94,.1);
  border:1px solid rgba(185,138,94,.25);
  padding:5px 14px;border-radius:999px;
  letter-spacing:.04em;
}
.hero-title{
  margin-top:20px;
  font-size:clamp(2rem,4.5vw,3rem);
  font-weight:700;letter-spacing:-.01em;line-height:1.2;
  color:var(--ink);
}
.hero-title span{color:var(--copper);}
.hero-sub{
  margin-top:16px;
  max-width:640px;
  font-size:1.0625rem;line-height:1.75;
  color:var(--muted);
}
.hero-tags{
  margin-top:28px;
  display:flex;flex-wrap:wrap;gap:10px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.8125rem;font-weight:500;
  color:var(--sage);
  background:var(--surface-white);
  border:1px solid var(--border);
  border-radius:999px;
  padding:6px 16px;
  transition:border-color var(--transition),color var(--transition),box-shadow var(--transition);
}
.hero-tag:hover{
  border-color:var(--copper);
  color:var(--copper);
  box-shadow:var(--shadow-1);
}

/* 编号大列表 */
.section-practice{
  padding:88px 0 72px;
}
.section-head{
  max-width:640px;
  margin-bottom:48px;
}
.section-tag{
  font-size:.8125rem;font-weight:700;
  color:var(--copper);
  letter-spacing:.06em;
  margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(1.625rem,3vw,2.125rem);
  font-weight:700;letter-spacing:-.01em;
  line-height:1.25;
  color:var(--ink);
}
.section-head p{
  margin-top:16px;
  color:var(--muted);
  font-size:1rem;
  line-height:1.75;
}
.practice-list{
  display:flex;flex-direction:column;gap:24px;
}
.practice-item{
  display:grid;
  grid-template-columns:96px 1fr auto;
  align-items:center;
  gap:28px;
  background:var(--surface-white);
  border:1px solid var(--border);
  border-radius:16px;
  padding:32px 36px;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
  position:relative;
  overflow:hidden;
}
.practice-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;
  width:3px;background:var(--copper);
  opacity:0;transform:scaleY(.3);
  transition:opacity var(--transition),transform var(--transition);
}
.practice-item:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:rgba(185,138,94,.3);
}
.practice-item:hover::before{opacity:1;transform:scaleY(1);}
.practice-index{
  font-family:"Inter",sans-serif;
  font-size:2.75rem;font-weight:800;
  letter-spacing:-.02em;
  color:rgba(185,138,94,.75);
  line-height:1;
}
.practice-body{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:20px;
  align-items:start;
}
.practice-icon{
  width:52px;height:52px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(92,122,116,.08);
  border-radius:12px;
  color:var(--sage);
  font-size:1.125rem;
}
.practice-content h3{
  font-size:1.25rem;font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
  line-height:1.4;
}
.practice-content p{
  margin-top:8px;
  color:var(--muted);
  font-size:.9375rem;
  line-height:1.7;
}
.practice-meta{
  margin-top:12px;
  display:flex;flex-wrap:wrap;gap:8px;
}
.practice-meta .badge-custom{
  display:inline-flex;align-items:center;gap:4px;
  font-size:.75rem;font-weight:600;
  color:var(--sage);
  background:rgba(92,122,116,.08);
  padding:4px 10px;
  border-radius:6px;
}
.practice-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.875rem;font-weight:600;
  color:var(--ink);
  white-space:nowrap;
  padding:8px 16px;
  border:1px solid var(--border);
  border-radius:8px;
  transition:background var(--transition),color var(--transition),border-color var(--transition);
}
.practice-link i{font-size:.8125rem;}
.practice-link:hover{
  background:rgba(185,138,94,.08);
  border-color:var(--copper);
  color:var(--copper);
}

/* 特色卡 */
.feature-card{
  margin:40px 0;
  background:var(--ink);
  border-radius:18px;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.1fr 1fr;
  color:#fff;
}
.feature-card-content{
  padding:52px 56px;
  display:flex;flex-direction:column;justify-content:center;
}
.feature-card-content .feature-tag{
  font-size:.8125rem;font-weight:700;
  color:var(--copper-light);
  letter-spacing:.06em;
  margin-bottom:14px;
}
.feature-card-content h3{
  font-size:1.625rem;font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
  color:#fff;
}
.feature-card-content p{
  margin-top:16px;
  color:rgba(255,255,255,.76);
  font-size:.9375rem;
  line-height:1.75;
}
.feature-card-content .btn-outline-light-custom{
  display:inline-flex;align-items:center;
  margin-top:28px;
  padding:10px 24px;
  border:1px solid rgba(255,255,255,.35);
  border-radius:8px;
  color:#fff;
  font-size:.875rem;font-weight:600;
  justify-self:flex-start;
  transition:background var(--transition),border-color var(--transition),transform var(--transition);
}
.feature-card-content .btn-outline-light-custom:hover{
  background:rgba(255,255,255,.1);
  border-color:var(--copper-light);
  color:var(--copper-light);
  transform:translateY(-1px);
}
.feature-card-media{
  position:relative;
  min-height:300px;
}
.feature-card-media img{
  width:100%;height:100%;object-fit:cover;
  position:absolute;inset:0;
}
.feature-card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(24,26,31,.55),transparent 45%);
}

/* FAQ */
.section-faq{
  padding:72px 0;
  background:var(--bg-warm);
}
.faq-list{
  max-width:860px;
  margin:0 auto;
  display:flex;flex-direction:column;gap:16px;
}
.faq-item{
  background:var(--surface-white);
  border:1px solid var(--border);
  border-radius:12px;
  padding:20px 28px;
  transition:box-shadow var(--transition),border-color var(--transition);
}
.faq-item:hover{
  border-color:rgba(185,138,94,.3);
  box-shadow:var(--shadow-1);
}
.faq-item .accordion-button{
  padding:0;
  background:transparent;
  box-shadow:none;
  color:var(--ink);
  font-size:1rem;font-weight:600;
  border:none;
  display:flex;justify-content:space-between;align-items:center;
  width:100%;
  text-align:left;
}
.faq-item .accordion-button::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:.8125rem;
  color:var(--copper);
  background:none;
  width:auto;height:auto;
  transition:transform 220ms var(--ease);
}
.faq-item .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
}
.faq-item .accordion-button:focus{
  outline:2px solid rgba(185,138,94,.25);
  outline-offset:4px;
  box-shadow:none;
}
.faq-item .accordion-body{
  padding:12px 0 0;
  color:var(--muted);
  font-size:.9375rem;
  line-height:1.7;
}
.faq-item .accordion-body p{
  margin:0;
}

/* CTA */
.section-cta{
  position:relative;
  padding:96px 0;
  background:
    linear-gradient(180deg,rgba(24,26,31,.88),rgba(24,26,31,.94)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  text-align:center;
  color:#fff;
}
.section-cta .cta-inner{
  max-width:680px;
  margin:0 auto;
}
.section-cta h2{
  font-size:clamp(1.625rem,3vw,2.25rem);
  font-weight:700;letter-spacing:-.01em;
  line-height:1.25;
  color:#fff;
}
.section-cta p{
  margin-top:16px;
  color:rgba(255,255,255,.76);
  font-size:.9375rem;
  line-height:1.75;
}
.cta-buttons{
  margin-top:36px;
  display:flex;align-items:center;justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}
.btn-large-copper{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 36px;
  background:var(--copper);
  color:var(--ink);
  font-size:.9375rem;font-weight:700;
  border-radius:10px;
  transition:background var(--transition),transform var(--transition),box-shadow var(--transition);
}
.btn-large-copper:hover{
  background:var(--copper-light);
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(185,138,94,.3);
}
.btn-outline-copper{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 32px;
  border:1px solid rgba(255,255,255,.4);
  color:#fff;
  font-size:.9375rem;font-weight:600;
  border-radius:10px;
  transition:border-color var(--transition),color var(--transition),background var(--transition),transform var(--transition);
}
.btn-outline-copper:hover{
  border-color:var(--copper-light);
  color:var(--copper-light);
  background:rgba(255,255,255,.06);
  transform:translateY(-2px);
}

/* 页脚 */
.site-footer{
  background:var(--ink);
  color:#fff;
  padding:64px 0 0;
}
.footer-inner{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-text{
  font-size:1.125rem;font-weight:700;
  color:#fff;
}
.footer-brand p{
  margin-top:14px;
  color:rgba(255,255,255,.6);
  font-size:.9375rem;
  line-height:1.7;
  max-width:280px;
}
.footer-col h4{
  font-size:.8125rem;font-weight:700;
  color:rgba(255,255,255,.45);
  letter-spacing:.08em;
  margin-bottom:16px;
  text-transform:uppercase;
}
.footer-col ul li{
  margin-bottom:10px;
}
.footer-col ul li a{
  color:rgba(255,255,255,.7);
  font-size:.9375rem;
  transition:color var(--transition);
}
.footer-col ul li a:hover{
  color:var(--copper-light);
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding:24px 0;
  color:rgba(255,255,255,.5);
  font-size:.8125rem;
}
.footer-bottom a{
  color:rgba(255,255,255,.5);
}
.footer-bottom a:hover{color:var(--copper-light);}

/* 响应式 */
@media (max-width:991.98px){
  .nav-links{
    display:none;
    position:absolute;
    top:72px;
    left:0;right:0;
    background:var(--bg-warm);
    border-bottom:1px solid var(--border);
    padding:16px 24px;
    flex-direction:column;
    align-items:flex-start;
    gap:16px;
    box-shadow:var(--shadow-2);
  }
  .nav-links.open{display:flex;}
  .navbar-toggle{display:flex;}
  .search-cmd{display:none;}
  .nav-right .icon-btn{display:none;}
  .footer-inner{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
  .practice-item{
    grid-template-columns:64px 1fr;
    padding:28px 24px;
    gap:20px;
  }
  .practice-link{
    grid-column:2;
    justify-self:flex-start;
  }
  .feature-card{
    grid-template-columns:1fr;
  }
  .feature-card-media{
    min-height:240px;
    order:-1;
  }
  .feature-card-media img{
    position:relative;
  }
  .feature-card-media::after{
    background:linear-gradient(0deg,rgba(24,26,31,.5),transparent 50%);
  }
}
@media (max-width:767.98px){
  .page-hero{padding:64px 0 56px;}
  .section-practice{padding:64px 0 56px;}
  .section-faq{padding:56px 0;}
  .section-cta{padding:72px 0;}
  .practice-item{
    grid-template-columns:1fr;
    gap:16px;
  }
  .practice-index{
    font-size:2rem;
  }
  .practice-body{
    grid-template-columns:1fr;
    gap:14px;
  }
  .practice-icon{
    width:44px;height:44px;
    font-size:.9375rem;
  }
  .practice-link{
    grid-column:1;
  }
  .feature-card-content{
    padding:36px 28px;
  }
  .footer-inner{
    grid-template-columns:1fr;
    gap:28px;
  }
  .footer-bottom{
    flex-direction:column;
    justify-content:center;
    text-align:center;
  }
  .cta-buttons{
    flex-direction:column;
  }
  .cta-buttons .btn-large-copper,
  .cta-buttons .btn-outline-copper{
    width:100%;
  }
}
@media (max-width:520px){
  .brand-text{font-size:.9375rem;}
  .hero-title{font-size:1.75rem;}
  .hero-sub{font-size:.9375rem;}
  .practice-item{padding:24px 18px;}
  .faq-item{padding:18px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{
    transition:none!important;
    animation:none!important;
  }
  html{scroll-behavior:auto;}
}