/* roulang page: index */
:root{
  --primary:#102A27;
  --accent:#1F8A70;
  --accent-dark:#176A57;
  --gold:#C8A45D;
  --bg:#F7F5F1;
  --card-bg:#FFFFFF;
  --border:#E7E1D7;
  --text:#1A1D1C;
  --text-secondary:#5B6562;
  --text-light:#8A918E;
  --danger:#C55346;
  --radius-card:10px;
  --radius-btn:8px;
  --radius-input:6px;
  --shadow-default:0 4px 16px rgba(16,42,39,0.06);
  --shadow-hover:0 12px 32px rgba(16,42,39,0.12);
  --font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-family);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color .2s ease}
a:hover{color:var(--accent)}
button{font-family:inherit}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.section{padding:96px 0}
@media(max-width:767px){
  .section{padding:64px 0}
}
.section-label{
  display:inline-flex;align-items:center;
  font-size:.75rem;font-weight:600;letter-spacing:.08em;
  color:var(--accent);text-transform:uppercase;
  background:rgba(31,138,112,0.08);
  padding:6px 16px;border-radius:999px;
  margin-bottom:20px;
}
.section-title{
  font-size:clamp(1.75rem,3vw,2.5rem);
  font-weight:700;line-height:1.25;
  color:var(--primary);
  margin-bottom:16px;
}
.section-subtitle{
  font-size:1rem;color:var(--text-secondary);
  max-width:640px;line-height:1.7;
}
.text-center .section-subtitle{margin-left:auto;margin-right:auto}
/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:var(--primary);
  height:72px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header .container{
  height:72px;display:flex;align-items:center;justify-content:space-between;
}
.brand-logo{
  display:flex;align-items:center;gap:10px;
  font-size:1.4rem;font-weight:800;color:#fff!important;
  letter-spacing:-.01em;
  line-height:1;
}
.brand-logo .logo-mark{
  width:32px;height:32px;border-radius:6px;
  background:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;color:#fff;font-weight:800;
  position:relative;
}
.brand-logo .logo-mark::after{
  content:"";position:absolute;width:14px;height:2px;
  background:var(--gold);bottom:6px;left:50%;transform:translateX(-50%);
  border-radius:2px;
}
.main-nav{display:flex;align-items:center;gap:32px;flex:1;margin-left:48px}
.nav-links{
  display:flex;list-style:none;gap:28px;margin:0;padding:0;
}
.nav-links a{
  color:rgba(255,255,255,.75);
  font-size:.9375rem;font-weight:500;
  position:relative;
  padding:6px 0;
  transition:color .2s ease;
}
.nav-links a:hover{color:#fff}
.nav-links a.active{
  color:#fff;
}
.nav-links a.active::after{
  content:"";position:absolute;bottom:0;left:0;width:100%;height:2px;
  background:var(--accent);border-radius:2px;
}
.btn-nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 24px;
  background:var(--accent);color:#fff;
  border-radius:var(--radius-btn);
  font-size:.9375rem;font-weight:600;
  transition:all .2s ease;
  white-space:nowrap;
  border:none;
}
.btn-nav-cta:hover{
  background:var(--accent-dark);color:#fff;
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(31,138,112,.3);
}
.btn-nav-cta .cta-icon{
  width:8px;height:8px;background:var(--gold);
  border-radius:2px;flex-shrink:0;
}
.navbar-toggler{
  display:none;background:none;border:none;color:#fff;
  font-size:1.5rem;cursor:pointer;padding:4px;
  line-height:1;
}
/* ===== Offcanvas Mobile ===== */
.offcanvas{
  background:var(--bg);
}
.offcanvas .offcanvas-header{
  border-bottom:1px solid var(--border);
  padding:20px 24px;
}
.offcanvas .btn-close{
  filter:none;opacity:.6;
}
.offcanvas-body{
  display:flex;flex-direction:column;padding:24px;
}
.offcanvas-body .mobile-nav-links{
  list-style:none;padding:0;margin:0;flex:1;
  display:flex;flex-direction:column;gap:4px;
}
.offcanvas-body .mobile-nav-links a{
  display:block;padding:14px 12px;
  font-size:1rem;font-weight:500;
  color:var(--text);
  border-radius:8px;
  transition:background .2s ease,color .2s ease;
}
.offcanvas-body .mobile-nav-links a:hover{
  background:rgba(31,138,112,.08);color:var(--accent);
}
.offcanvas-body .mobile-nav-links a.active{
  background:var(--accent);color:#fff;
}
.offcanvas-body .mobile-cta{
  display:flex;width:100%;height:48px;
  align-items:center;justify-content:center;
  background:var(--accent);color:#fff;
  border-radius:var(--radius-btn);
  font-weight:600;font-size:1rem;
  transition:background .2s ease;
  margin-top:16px;
}
.offcanvas-body .mobile-cta:hover{background:var(--accent-dark);color:#fff}
/* ===== Hero ===== */
.hero{
  background:linear-gradient(rgba(16,42,39,.78),rgba(16,42,39,.88)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;
  padding:120px 0 100px;
  position:relative;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;color:rgba(255,255,255,.85);
  border:1px solid rgba(255,255,255,.25);
  padding:6px 18px;border-radius:999px;
  margin-bottom:28px;
  background:rgba(255,255,255,.04);
}
.hero-badge .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--gold);
}
.hero-title{
  font-size:clamp(2.5rem,5vw,4rem);
  font-weight:800;line-height:1.15;
  letter-spacing:-.01em;
  margin-bottom:20px;
  max-width:720px;
}
.hero-subtitle{
  font-size:1.125rem;
  color:rgba(255,255,255,.78);
  max-width:640px;
  line-height:1.75;
  margin-bottom:40px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.hero-actions .btn{
  height:52px;padding:0 32px;
  border-radius:var(--radius-btn);
  font-size:1rem;font-weight:600;
  display:inline-flex;align-items:center;gap:10px;
  border:none;
  transition:all .2s ease;
}
.btn-primary-custom{
  background:var(--accent);color:#fff;
}
.btn-primary-custom:hover{
  background:var(--accent-dark);color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(31,138,112,.35);
}
.btn-outline-custom{
  background:transparent;color:#fff;
  border:1px solid rgba(255,255,255,.4) !important;
}
.btn-outline-custom:hover{
  border-color:var(--accent) !important;
  color:#fff;background:rgba(31,138,112,.15);
}
.hero-data{
  display:flex;gap:56px;flex-wrap:wrap;
  padding-top:40px;
  border-top:1px solid rgba(255,255,255,.12);
}
.hero-data-item{
  display:flex;flex-direction:column;
}
.hero-data-item .num{
  font-size:2rem;font-weight:700;color:var(--gold);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.hero-data-item .label{
  font-size:.875rem;color:rgba(255,255,255,.6);
  margin-top:4px;
}
/* ===== Trust Bar ===== */
.trust-bar{
  background:#fff;
  border-bottom:1px solid var(--border);
  padding:28px 0;
}
.trust-bar .container{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:20px;
}
.trust-item{
  display:flex;align-items:center;gap:12px;
  color:var(--text-light);font-size:.875rem;font-weight:500;
}
.trust-item i{
  font-size:1.4rem;color:#B9B5AD;
}
/* ===== Pain Points ===== */
.pain-points{
  background:var(--primary);
  color:#fff;
  padding:96px 0;
}
.pain-points .section-title{color:#fff}
.pain-points .section-subtitle{color:rgba(255,255,255,.6)}
.pain-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:24px;
  margin-top:48px;
}
.pain-item{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-card);
  padding:28px;
  display:flex;gap:16px;
  transition:border-color .2s ease,background .2s ease;
}
.pain-item:hover{
  border-color:var(--accent);
  background:rgba(255,255,255,.06);
}
.pain-item .pain-icon{
  width:44px;height:44px;border-radius:8px;
  background:rgba(200,164,93,.12);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  color:var(--gold);
  font-size:1.1rem;
}
.pain-item h3{
  font-size:1.0625rem;font-weight:600;margin-bottom:6px;
}
.pain-item p{
  font-size:.875rem;color:rgba(255,255,255,.6);
  line-height:1.6;
}
@media(max-width:767px){
  .pain-grid{grid-template-columns:1fr}
}
/* ===== Solutions ===== */
.solutions{
  background:var(--bg);
  padding:96px 0;
}
.solutions .header-row{
  display:flex;justify-content:space-between;align-items:flex-end;
  gap:24px;margin-bottom:48px;flex-wrap:wrap;
}
.solution-grid{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  grid-template-rows:auto auto;
  gap:24px;
}
.solution-card-main{
  grid-row:span 2;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow-default);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.solution-card-main:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--accent);
}
.solution-card-main .sol-img{
  aspect-ratio:16/10;
  background:url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
  position:relative;
}
.solution-card-main .sol-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(16,42,39,.5),transparent 40%);
}
.solution-card-main .sol-body{
  padding:32px;
  display:flex;flex-direction:column;flex:1;
}
.solution-card-main h3{
  font-size:1.375rem;font-weight:700;margin-bottom:12px;
  color:var(--primary);
}
.solution-card-main p{
  color:var(--text-secondary);font-size:.9375rem;
  line-height:1.7;margin-bottom:20px;flex:1;
}
.sol-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-weight:600;font-size:.9375rem;
  transition:gap .2s ease;
}
.sol-link:hover{gap:10px}
.solution-card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;
  box-shadow:var(--shadow-default);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.solution-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--accent);
}
.solution-card .sol-img{
  width:120px;flex-shrink:0;
  background-size:cover;background-position:center;
  min-height:140px;
}
.solution-card .sol-img.img-cover-2{background-image:url('/assets/images/coverpic/cover-2.webp')}
.solution-card .sol-img.img-cover-3{background-image:url('/assets/images/coverpic/cover-3.png')}
.solution-card .sol-body{
  padding:24px;
  display:flex;flex-direction:column;justify-content:center;
}
.solution-card h3{
  font-size:1.0625rem;font-weight:700;margin-bottom:8px;
  color:var(--primary);
}
.solution-card p{
  color:var(--text-secondary);font-size:.875rem;
  line-height:1.6;margin-bottom:12px;
}
.solution-card .sol-link{font-size:.875rem}
@media(max-width:991px){
  .solution-grid{grid-template-columns:1fr;grid-template-rows:auto}
  .solution-card-main{grid-row:auto}
  .solution-card .sol-img{width:100px;min-height:120px}
}
@media(max-width:575px){
  .solution-card{flex-direction:column}
  .solution-card .sol-img{width:100%;aspect-ratio:16/10;min-height:auto}
}
/* ===== Stats ===== */
.stats{
  background:#fff;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:64px 0;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:32px;
}
.stat-item{
  text-align:center;
  padding:24px 16px;
  position:relative;
}
.stat-item::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:48px;height:2px;background:var(--gold);
  border-radius:2px;
}
.stat-item .stat-num{
  font-size:clamp(2.5rem,4vw,3.5rem);
  font-weight:700;color:var(--gold);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
  margin-bottom:8px;
}
.stat-item .stat-label{
  font-size:.9375rem;color:var(--text-secondary);
}
@media(max-width:991px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:575px){
  .stats-grid{grid-template-columns:1fr 1fr;gap:16px}
}
/* ===== News ===== */
.news-section{
  background:var(--bg);
  padding:96px 0;
}
.news-list{
  display:flex;flex-direction:column;gap:16px;
  margin-top:40px;
}
.news-item{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:28px;
  display:flex;
  align-items:center;
  gap:24px;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.news-item:hover{
  box-shadow:var(--shadow-hover);
  border-color:var(--accent);
  transform:translateY(-2px);
}
.news-item .news-meta{
  display:flex;gap:12px;align-items:center;
  margin-bottom:8px;flex-wrap:wrap;
}
.news-item .news-cat{
  font-size:.75rem;font-weight:600;
  color:var(--accent);
  background:rgba(31,138,112,.1);
  padding:4px 14px;border-radius:999px;
}
.news-item .news-date{
  font-size:.8125rem;color:var(--text-light);
  font-variant-numeric:tabular-nums;
}
.news-item h3{
  font-size:1.125rem;font-weight:700;
  margin-bottom:6px;color:var(--text);
}
.news-item h3 a{color:inherit}
.news-item h3 a:hover{color:var(--accent)}
.news-item .news-excerpt{
  font-size:.9375rem;color:var(--text-secondary);
  line-height:1.6;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
}
.news-item .news-arrow{
  flex-shrink:0;
  color:var(--accent);font-size:1.2rem;
  transition:transform .2s ease;
}
.news-item:hover .news-arrow{
  transform:translateX(4px);
}
.empty-state{
  text-align:center;padding:48px 24px;
  border:1px dashed var(--border);
  border-radius:var(--radius-card);
  background:var(--card-bg);
  color:var(--text-light);
}
.empty-state i{
  font-size:2rem;margin-bottom:12px;
  display:block;
}
.empty-state p{font-size:.9375rem}
@media(max-width:575px){
  .news-item{flex-direction:column;align-items:flex-start;gap:12px}
}
/* ===== FAQ ===== */
.faq-section{
  background:#fff;
  padding:96px 0;
}
.faq-list{
  max-width:860px;margin:0 auto;
  margin-top:40px;
}
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  margin-bottom:12px;
  overflow:hidden;
  background:var(--card-bg);
  transition:border-color .2s ease;
}
.faq-item.active{
  border-color:var(--accent);
}
.faq-question{
  display:flex;justify-content:space-between;align-items:center;
  padding:22px 28px;
  cursor:pointer;
  font-size:1rem;font-weight:600;
  color:var(--text);
  background:none;border:none;width:100%;text-align:left;
  gap:16px;
}
.faq-question .faq-icon{
  width:28px;height:28px;border-radius:50%;
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:.8125rem;color:var(--accent);
  flex-shrink:0;
  transition:all .3s ease;
}
.faq-item.active .faq-icon{
  background:var(--accent);color:#fff;border-color:var(--accent);
  transform:rotate(45deg);
}
.faq-answer{
  padding:0 28px 22px;
  color:var(--text-secondary);
  font-size:.9375rem;
  line-height:1.7;
  display:none;
}
.faq-item.active .faq-answer{display:block}
/* ===== CTA ===== */
.cta-section{
  background:var(--primary);
  padding:80px 0;
}
.cta-inner{
  display:flex;justify-content:space-between;align-items:center;
  gap:40px;flex-wrap:wrap;
}
.cta-inner h2{
  color:#fff;
  font-size:clamp(1.75rem,3vw,2.25rem);
  font-weight:700;
  margin-bottom:12px;
}
.cta-inner p{
  color:rgba(255,255,255,.65);
  font-size:1rem;
  max-width:480px;
}
.cta-btn{
  display:inline-flex;align-items:center;gap:10px;
  height:56px;padding:0 36px;
  background:var(--accent);color:#fff;
  border-radius:var(--radius-btn);
  font-size:1rem;font-weight:600;
  border:none;
  transition:all .2s ease;
}
.cta-btn:hover{
  background:var(--accent-dark);color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(31,138,112,.35);
}
/* ===== Privacy ===== */
.privacy-section{
  background:var(--bg);
  border-top:1px solid var(--border);
  padding:40px 0;
}
.privacy-inner{
  display:flex;gap:32px;flex-wrap:wrap;
}
.privacy-item{
  display:flex;align-items:flex-start;gap:12px;
  font-size:.8125rem;color:var(--text-light);
  max-width:340px;
  line-height:1.6;
}
.privacy-item i{
  color:var(--accent);
  font-size:1rem;
  margin-top:3px;
}
/* ===== Footer ===== */
.site-footer{
  background:var(--primary);
  color:rgba(255,255,255,.7);
  padding:64px 0 0;
  font-size:.9375rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .footer-logo{
  font-size:1.25rem;font-weight:700;color:#fff;
  margin-bottom:16px;
  display:block;
}
.footer-brand p{
  font-size:.875rem;line-height:1.7;
  color:rgba(255,255,255,.5);
  max-width:300px;
}
.footer-col h4{
  font-size:.9375rem;font-weight:600;color:#fff;
  margin-bottom:20px;
}
.footer-col ul{
  list-style:none;padding:0;margin:0;
  display:flex;flex-direction:column;gap:10px;
}
.footer-col ul a{
  color:rgba(255,255,255,.6);
  font-size:.875rem;
  transition:color .2s ease;
}
.footer-col ul a:hover{color:var(--accent)}
.footer-contact p{
  font-size:.875rem;color:rgba(255,255,255,.6);
  margin-bottom:10px;
  display:flex;align-items:center;gap:8px;
}
.footer-contact p i{
  width:18px;color:var(--gold);
  font-size:.875rem;
}
.footer-bottom{
  padding:24px 0;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:12px;
}
.footer-bottom .copyright{
  font-size:.8125rem;
  color:rgba(255,255,255,.4);
}
.footer-bottom .footer-links{
  display:flex;gap:24px;
}
.footer-bottom .footer-links a{
  font-size:.8125rem;color:rgba(255,255,255,.4);
}
.footer-bottom .footer-links a:hover{color:var(--accent)}
@media(max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width,767px){
  .footer-grid{grid-template-columns:1fr}
}
/* ===== Modal ===== */
.modal-content{
  border-radius:12px;
  border:none;
  box-shadow:var(--shadow-hover);
}
.modal-header{
  border-bottom:1px solid var(--border);
  padding:24px 28px;
}
.modal-header .modal-title{
  font-weight:700;color:var(--primary);
}
.modal-body{
  padding:28px;
}
.modal-body .form-label{
  font-weight:600;
  font-size:.875rem;
  color:var(--text);
  margin-bottom:6px;
}
.modal-body .form-control{
  height:48px;
  border:1px solid var(--border);
  border-radius:var(--radius-input);
  padding:12px 16px;
  font-size:.9375rem;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.modal-body .form-control:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(31,138,112,.12);
}
.modal-body .form-select{
  height:48px;
  border:1px solid var(--border);
  border-radius:var(--radius-input);
  padding:12px 16px;
  font-size:.9375rem;
}
.modal-body .form-select:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(31,138,112,.12);
}
.modal-body .btn-modal-submit{
  width:100%;height:50px;
  background:var(--accent);color:#fff;
  font-size:1rem;font-weight:600;
  border-radius:var(--radius-btn);
  border:none;
  transition:all .2s ease;
}
.modal-body .btn-modal-submit:hover{
  background:var(--accent-dark);
  transform:translateY(-1px);
}
.modal-privacy{
  font-size:.75rem;color:var(--text-light);
  text-align:center;
  margin-top:12px;
  line-height:1.5;
}
/* ===== Scroll Indicator ===== */
.scroll-indicator{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  width:28px;height:44px;
  border:1px solid rgba(255,255,255,.3);
  border-radius:20px;
  display:flex;align-items:flex-start;justify-content:center;
  padding-top:8px;
  animation:float 2s ease-in-out infinite;
}
.scroll-indicator .mouse-line{
  width:2px;height:8px;
  background:rgba(255,255,255,.6);
  border-radius:2px;
}
@keyframes float{
  0%,100%{transform:translateX(-50%) translateY(0)}
  50%{transform:translateX(-50%) translateY(4px)}
}
/* ===== Responsive ===== */
@media(max-width:991px){
  .main-nav{margin-left:24px}
  .nav-links{display:none}
  .btn-nav-cta{display:none}
  .navbar-toggler{display:block}
}
@media(min-width:992px){
  .offcanvas{display:none}
}
@media(max-width,767px){
  .hero{padding:80px 0 64px}
  .hero-data{flex-direction:column;gap:24px}
  .hero-actions .btn{width:100%;justify-content:center}
}

/* roulang page: category1 */
:root {
            --primary: #102A27;
            --accent: #1F8A70;
            --accent-dark: #166150;
            --accent-soft: rgba(31, 138, 112, 0.08);
            --amber: #C8A45D;
            --bg: #F7F5F1;
            --white: #FFFFFF;
            --text: #1A1D1C;
            --text-secondary: #5B6562;
            --text-muted: #8A918E;
            --border: #E7E1D7;
            --radius: 10px;
            --radius-sm: 8px;
            --shadow-default: 0 4px 16px rgba(16, 42, 39, 0.06);
            --shadow-hover: 0 12px 32px rgba(16, 42, 39, 0.12);
            --transition: all 0.2s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

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

        img {
            max-width: 100%;
            vertical-align: middle;
        }

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

        /* ---------- Header / Nav ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: #fff;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9375rem;
            font-weight: 500;
            border-radius: 6px;
            transition: var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links a.active {
            color: #ffffff;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--accent);
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }

        .nav-cta i {
            font-size: 0.875rem;
        }

        .nav-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(31, 138, 112, 0.25);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            flex-direction: column;
            gap: 5px;
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ---------- Hero compact ---------- */
        .hero-compact {
            background: var(--primary);
            padding: 72px 0 64px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .hero-compact .hero-breadcrumb {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }

        .hero-compact .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s;
        }

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

        .hero-compact .hero-breadcrumb .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.4);
        }

        .hero-compact .hero-breadcrumb .current {
            color: rgba(255, 255, 255, 0.9);
        }

        .hero-compact h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.01em;
            margin: 12px 0 16px;
            color: #fff;
        }

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

        .hero-compact .lead {
            font-size: 1.125rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin-bottom: 32px;
        }

        .hero-compact .hero-img {
            border-radius: 12px;
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .hero-compact .row {
            align-items: center;
        }

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

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

        .section-sm {
            padding: 64px 0;
        }

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

        .eyebrow {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .section-head h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 12px;
            color: var(--text);
        }

        .section-head p {
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 0;
        }

        /* ---------- Cards / Feature ---------- */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow-default);
            transition: var(--transition);
        }

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

        .feature-card.large {
            grid-column: span 7;
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .feature-card.small {
            grid-column: span 5;
        }

        .feature-card .card-icon {
            width: 48px;
            height: 48px;
            background: var(--accent-soft);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.25rem;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }

        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .feature-card .arrow-link {
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9375rem;
        }

        .feature-card .arrow-link i {
            transition: transform 0.2s;
            display: inline-block;
            margin-left: 4px;
        }

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

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

        .step-item {
            text-align: center;
            padding: 24px 16px;
            border-top: 2px solid var(--border);
            transition: var(--transition);
        }

        .step-item:hover {
            border-top-color: var(--accent);
        }

        .step-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--amber);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
        }

        .step-title {
            font-size: 1rem;
            font-weight: 700;
            margin-top: 12px;
        }

        .step-desc {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-top: 6px;
        }

        /* ---------- Solution list ---------- */
        .solution-list {
            border-top: 1px solid var(--border);
        }

        .solution-item {
            display: flex;
            align-items: center;
            gap: 32px;
            padding: 32px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .solution-item:hover {
            background: rgba(255, 255, 255, 0.5);
        }

        .solution-item img {
            width: 320px;
            height: 200px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
            background: var(--border);
        }

        .solution-item .item-content {
            flex: 1;
        }

        .solution-item .badge-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 8px;
        }

        .solution-item h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .solution-item p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            margin-bottom: 12px;
            max-width: 680px;
        }

        .arrow-link {
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9375rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s;
        }

        .arrow-link:hover {
            gap: 10px;
        }

        /* ---------- Scenario cards ---------- */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            transition: var(--transition);
        }

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

        .scenario-card i {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .scenario-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

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

        .accordion-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
        }

        .accordion-button {
            background: var(--white);
            border: none;
            box-shadow: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            padding: 20px 24px;
            transition: var(--transition);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .accordion-button:not(.collapsed) {
            background: var(--accent-soft);
            color: var(--text);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--accent);
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            content: "\f078";
            font-weight: 900;
            transition: transform 0.3s;
            color: var(--accent);
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .accordion-body {
            padding: 0 24px 24px;
            color: var(--text-secondary);
            font-size: 0.9375rem;
            line-height: 1.75;
        }

        /* ---------- CTA ---------- */
        .cta-band {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 56px 32px;
            text-align: center;
            box-shadow: var(--shadow-default);
        }

        .cta-band h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-band p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1rem;
        }

        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 14px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 8px;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-brand:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(31, 138, 112, 0.3);
        }

        .btn-outline-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 14px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 8px;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-outline-brand:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--accent-dark);
            transform: translateY(-2px);
        }

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

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-logo .logo-mark {
            width: 32px;
            height: 32px;
            font-size: 0.875rem;
        }

        .footer-brand p {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

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

        .footer-col a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.875rem;
            transition: color 0.2s;
        }

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

        .footer-contact p {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 10px;
        }

        .footer-contact i {
            color: var(--accent);
            width: 20px;
            margin-right: 4px;
        }

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color 0.2s;
            margin-left: 16px;
        }

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

        /* ---------- Responsive ---------- */
        @media (max-width: 991px) {
            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                align-items: stretch;
                padding: 24px;
                gap: 16px;
                display: none;
                box-shadow: 0 16px 40px rgba(16, 42, 39, 0.16);
                max-height: calc(100vh - 72px);
                overflow-y: auto;
            }

            .main-nav.open {
                display: flex;
            }

            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }

            .nav-links a {
                color: var(--text);
                display: block;
                padding: 12px 16px;
                border-radius: 8px;
            }

            .nav-links a:hover {
                background: var(--accent-soft);
                color: var(--accent);
            }

            .nav-links a.active {
                color: var(--accent-dark);
                background: var(--accent-soft);
            }

            .nav-links a.active::after {
                display: none;
            }

            .nav-cta {
                width: 100%;
                justify-content: center;
                padding: 14px 24px;
            }

            .feature-card.large {
                grid-column: span 12;
                grid-row: auto;
            }

            .feature-card.small {
                grid-column: span 6;
            }

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

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

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

        @media (max-width: 767px) {
            .section {
                padding: 64px 0;
            }

            .hero-compact {
                padding: 56px 0 48px;
            }

            .hero-compact h1 {
                font-size: 2rem;
            }

            .feature-card.small {
                grid-column: span 12;
            }

            .solution-item {
                flex-direction: column;
                align-items: flex-start;
            }

            .solution-item img {
                width: 100%;
                height: auto;
                max-width: 100%;
            }

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

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

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .brand-logo {
                font-size: 1.1rem;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .cta-actions {
                flex-direction: column;
            }

            .btn-brand,
            .btn-outline-brand {
                width: 100%;
                justify-content: center;
            }
        }

        /* Accessibility */
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

/* roulang page: article */
:root {
    --ink: #102A27;
    --green: #1F8A70;
    --green-dark: #186D59;
    --green-deep: #145A4B;
    --gold: #C8A45D;
    --bg: #F7F5F1;
    --white: #FFFFFF;
    --text: #1A1D1C;
    --text-sub: #5B6562;
    --text-weak: #8A918E;
    --border: #E7E1D7;
    --error: #C55346;
    --disabled: #B9B5AD;
    --radius-card: 10px;
    --radius-btn: 8px;
    --radius-tag: 999px;
    --shadow-sm: 0 4px 16px rgba(16, 42, 39, 0.06);
    --shadow-md: 0 12px 32px rgba(16, 42, 39, 0.12);
    --transition: all 0.2s ease;
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
a {
    color: var(--green);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: var(--green-dark);
}
ul, ol {
    list-style: none;
}
button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}
.container {
    max-width: 1200px;
    padding-left: 24px;
    padding-right: 24px;
    margin: 0 auto;
}
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}
:focus-visible {
    outline: 2px solid var(--green);
    outline-offset: 2px;
    border-radius: 2px;
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============ 导航 ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--ink);
    box-shadow: 0 2px 12px rgba(16, 42, 39, 0.25);
}
.header-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;
}
.logo-mark {
    width: 40px;
    height: 40px;
    background: var(--green);
    color: #fff;
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0;
}
.logo-text {
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-links > li > a {
    display: inline-block;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-btn);
    position: relative;
    transition: var(--transition);
}
.nav-links > li > a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}
.nav-links > li > a.active {
    color: #fff;
    font-weight: 600;
}
.nav-links > li > a.active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 2px;
    height: 2px;
    background: var(--green);
    border-radius: 2px;
}
.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 44px;
    padding: 0 22px;
    background: var(--green);
    color: #fff;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-btn);
    transition: var(--transition);
    white-space: nowrap;
}
.nav-cta i {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.75);
}
.nav-cta:hover {
    background: var(--green-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(31, 138, 112, 0.35);
}
.nav-toggle {
    display: none;
    background: transparent;
    color: #fff;
    font-size: 1.25rem;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ============ 面包屑 ============ */
.article-hero {
    background: var(--ink);
    padding: 2.5rem 0 3.25rem;
    border-bottom: 4px solid var(--green);
}
.breadcrumb-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 1.5rem;
}
.breadcrumb-nav a {
    color: rgba(255, 255, 255, 0.75);
    transition: var(--transition);
}
.breadcrumb-nav a:hover {
    color: var(--green);
}
.breadcrumb-nav .sep {
    color: rgba(255, 255, 255, 0.4);
}
.breadcrumb-nav .current {
    color: rgba(255, 255, 255, 0.9);
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.breadcrumb-nav .current-cat {
    color: var(--green);
}
.article-hero h1 {
    color: #fff;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.01em;
    max-width: 860px;
    margin-bottom: 1.5rem;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.875rem;
}
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-variant-numeric: tabular-nums;
}
.meta-item i {
    color: var(--green);
    font-size: 0.8125rem;
}

/* ============ 文章主体 ============ */
.article-body {
    padding: 3.5rem 0 4.5rem;
}
.article-wrapper {
    max-width: 860px;
    margin: 0 auto;
}
.article-content {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    padding: 2.75rem 3rem;
    font-size: 1.0625rem;
    line-height: 1.85;
    color: var(--text);
}
.article-content p {
    margin-bottom: 1.75rem;
}
.article-content h2 {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--ink);
    margin: 3rem 0 1.25rem;
    line-height: 1.3;
    letter-spacing: -0.01em;
}
.article-content h2:first-child {
    margin-top: 0;
}
.article-content h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--ink);
    margin: 2.5rem 0 1rem;
    line-height: 1.35;
}
.article-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--ink);
    margin: 2rem 0 0.875rem;
}
.article-content img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 2.25rem 0;
    box-shadow: var(--shadow-sm);
}
.article-content figure {
    margin: 2.25rem 0;
}
.article-content figcaption {
    font-size: 0.825rem;
    color: var(--text-weak);
    text-align: center;
    margin-top: 0.75rem;
    line-height: 1.5;
}
.article-content a {
    color: var(--green);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-content a:hover {
    color: var(--green-dark);
    text-decoration-color: var(--green-dark);
}
.article-content blockquote {
    border-left: 4px solid var(--green);
    background: var(--bg);
    padding: 1.25rem 1.75rem;
    margin: 2.25rem 0;
    border-radius: 0 var(--radius-card) var(--radius-card) 0;
    color: var(--text-sub);
    font-size: 1rem;
    line-height: 1.7;
}
.article-content blockquote p:last-child {
    margin-bottom: 0;
}
.article-content ul,
.article-content ol {
    margin: 1.5rem 0 2rem;
    padding-left: 1.5rem;
}
.article-content ul {
    list-style: none;
}
.article-content ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.625rem;
}
.article-content ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 7px;
    height: 7px;
    border-radius: 2px;
    background: var(--green);
    opacity: 0.8;
}
.article-content ol {
    list-style: decimal;
}
.article-content ol li {
    margin-bottom: 0.625rem;
    padding-left: 0.375rem;
}
.article-content strong {
    color: var(--ink);
    font-weight: 700;
}
.article-content em {
    font-style: italic;
    color: var(--text-sub);
}
.article-content code {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.15em 0.4em;
    font-size: 0.9em;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
.article-content pre {
    background: var(--ink);
    color: #e6f0ee;
    border-radius: var(--radius-card);
    padding: 1.5rem;
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 2.25rem 0;
}
.article-content pre code {
    background: transparent;
    border: none;
    padding: 0;
    color: inherit;
}
.article-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 3rem 0;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.9375rem;
}
.article-content th {
    background: var(--ink);
    color: #fff;
    font-weight: 600;
    text-align: left;
    padding: 0.875rem 1rem;
}
.article-content td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border);
}
.article-content tr:nth-child(even) td {
    background: rgba(247, 245, 241, 0.5);
}
.article-content iframe {
    max-width: 100%;
    border-radius: 8px;
    margin: 2rem 0;
    border: none;
}

/* ============ 分享按钮 ============ */
.article-share {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.875rem;
    margin-top: 2.5rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.article-share span {
    font-size: 0.9375rem;
    color: var(--text-sub);
    font-weight: 500;
}
.share-link {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--text-sub);
    font-size: 1rem;
    transition: var(--transition);
}
.share-link:hover {
    background: var(--green);
    color: #fff;
    border-color: var(--green);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(31, 138, 112, 0.25);
}

/* ============ 相关推荐 ============ */
.related-section {
    margin-top: 3.5rem;
}
.related-section > h2 {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 1.75rem;
    position: relative;
    padding-left: 16px;
}
.related-section > h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.2em;
    bottom: 0.2em;
    width: 4px;
    background: var(--green);
    border-radius: 2px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.related-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    transition: var(--transition);
    height: 100%;
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--green);
}
.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.25rem;
}
.category-tag {
    background: rgba(31, 138, 112, 0.09);
    color: var(--green-dark);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.85rem;
    border-radius: var(--radius-tag);
    white-space: nowrap;
}
.item-date {
    font-size: 0.8125rem;
    color: var(--text-weak);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
.related-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--ink);
}
.related-card h3 a {
    color: var(--ink);
    transition: var(--transition);
}
.related-card h3 a:hover {
    color: var(--green);
}
.related-card p {
    font-size: 0.9375rem;
    color: var(--text-sub);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}
.card-link {
    color: var(--green);
    font-weight: 600;
    font-size: 0.9375rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.card-link span {
    display: inline-block;
    transition: transform 0.2s ease;
}
.related-card:hover .card-link span {
    transform: translateX(4px);
}
.related-related-img {
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 0.25rem;
}
.related-related-img img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-radius: 8px;
}
.related-empty {
    background: var(--white);
    border: 1px dashed var(--border);
    border-radius: var(--radius-card);
    padding: 3rem 2rem;
    text-align: center;
}
.related-empty i {
    font-size: 2rem;
    color: var(--text-weak);
    margin-bottom: 1rem;
}
.related-empty p {
    color: var(--text-sub);
    margin-bottom: 1.25rem;
}
.btn-back-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 46px;
    padding: 0 28px;
    background: var(--green);
    color: #fff;
    border-radius: var(--radius-btn);
    font-weight: 600;
    transition: var(--transition);
}
.btn-back-home:hover {
    background: var(--green-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(31, 138, 112, 0.3);
}

/* ============ 内容未找到 ============ */
.article-not-found {
    text-align: center;
    padding: 4rem 2rem;
}
.article-not-found i {
    font-size: 3rem;
    color: var(--text-weak);
    margin-bottom: 1.5rem;
}
.article-not-found h2 {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 1rem;
}
.article-not-found p {
    color: var(--text-sub);
    margin-bottom: 2rem;
}

/* ============ 返回顶部 ============ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 46px;
    height: 46px;
    background: var(--ink);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.3s ease;
    z-index: 999;
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: var(--green);
    color: #fff;
}

/* ============ 页脚 ============ */
.site-footer {
    background: var(--ink);
    color: rgba(255, 255, 255, 0.75);
    padding: 4rem 0 0;
    margin-top: 2rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.25rem;
}
.footer-logo .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
    background: var(--green);
    border-radius: 9px;
}
.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.75;
    max-width: 360px;
    color: rgba(255, 255, 255, 0.6);
}
.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.625rem;
}
.footer-col h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 2px;
    background: var(--green);
    border-radius: 2px;
}
.footer-col ul li {
    margin-bottom: 0.625rem;
}
.footer-col ul a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    transition: var(--transition);
}
.footer-col ul a:hover {
    color: var(--green);
    padding-left: 4px;
}
.footer-contact p {
    font-size: 0.9375rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.6);
}
.footer-contact i {
    color: var(--green);
    width: 18px;
    text-align: center;
}
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.5rem 0;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.45);
}
.footer-links {
    display: flex;
    gap: 1.5rem;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.45);
    transition: var(--transition);
}
.footer-links a:hover {
    color: var(--green);
}

/* ============ 响应式 ============ */
@media (max-width: 991px) {
    .header-inner {
        height: 64px;
    }
    .nav-toggle {
        display: flex;
    }
    .main-nav {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--ink);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0 24px 24px;
        box-shadow: 0 12px 24px rgba(16, 42, 39, 0.2);
        display: none;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }
    .main-nav.nav-open {
        display: flex;
    }
    .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 12px 0;
    }
    .nav-links > li > a {
        display: block;
        padding: 12px 16px;
        border-radius: var(--radius-btn);
    }
    .nav-links > li > a.active::after {
        left: 16px;
        right: auto;
        width: 28px;
        bottom: 6px;
    }
    .nav-cta {
        width: 100%;
        justify-content: center;
        margin-top: 8px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    .related-grid {
        grid-template-columns: 1fr 1fr;
    }
    .article-content {
        padding: 2rem 1.75rem;
    }
}
@media (max-width: 767px) {
    .article-hero {
        padding: 2rem 0 2.5rem;
    }
    .article-hero h1 {
        font-size: 1.75rem;
        line-height: 1.25;
    }
    .article-meta {
        gap: 1rem;
    }
    .article-body {
        padding: 2.5rem 0 3.5rem;
    }
    .article-content {
        padding: 1.5rem 1.25rem;
        font-size: 1rem;
    }
    .article-content h2 {
        font-size: 1.4rem;
    }
    .article-content h3 {
        font-size: 1.2rem;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .brand-logo .logo-text {
        font-size: 1.1rem;
    }
    .logo-mark {
        width: 34px;
        height: 34px;
        font-size: 1.05rem;
    }
}
@media (max-width: 520px) {
    .container {
        padding-left: 18px;
        padding-right: 18px;
    }
    .breadcrumb-nav .current {
        max-width: 180px;
    }
    .article-share {
        justify-content: center;
    }
    .article-share span {
        width: 100%;
        text-align: center;
    }
}

/* roulang page: category2 */
:root {
  --primary: #102A27;
  --primary-dark: #0B1F1D;
  --accent: #1F8A70;
  --accent-dark: #16715C;
  --accent-light: rgba(31, 138, 112, 0.08);
  --gold: #C8A45D;
  --bg: #F7F5F1;
  --white: #FFFFFF;
  --text: #1A1D1C;
  --text-secondary: #5B6562;
  --text-light: #8A918E;
  --border: #E7E1D7;
  --error: #C55346;
  --disabled: #B9B5AD;
  --radius-card: 10px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --radius-input: 6px;
  --shadow-default: 0 4px 16px rgba(16, 42, 39, 0.06);
  --shadow-hover: 0 12px 32px rgba(16, 42, 39, 0.12);
  --transition: all 0.2s ease;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--accent);
}
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

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

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--primary);
  height: 72px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

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

.logo-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

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

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  margin-left: 48px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9375rem;
  font-weight: 500;
  position: relative;
  padding: 8px 2px;
}

.nav-links a:hover {
  color: var(--white);
}

.nav-links a.active {
  color: var(--white);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  padding: 0 24px;
  background: var(--accent);
  color: var(--white);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-btn);
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--accent-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(31, 138, 112, 0.3);
}

.nav-cta .cta-icon {
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 2px;
  display: inline-block;
}

.navbar-toggler {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 6px;
  padding: 6px 10px;
  color: var(--white);
  cursor: pointer;
}

.navbar-toggler:hover {
  border-color: var(--white);
}

@media (max-width: 991px) {
  .header-inner {
    position: relative;
  }
  .navbar-toggler {
    display: block;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 12px 32px rgba(16, 42, 39, 0.12);
    border-top: 1px solid var(--border);
    padding: 20px 24px;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .main-nav.open {
    display: block;
  }
  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .nav-links li {
    border-bottom: 1px solid var(--border);
  }
  .nav-links a {
    color: var(--text);
    font-size: 1rem;
    display: block;
    padding: 14px 0;
  }
  .nav-links a.active {
    color: var(--accent);
    background: none;
  }
  .nav-links a.active::after {
    display: none;
  }
  .nav-cta {
    margin-top: 20px;
    width: 100%;
    justify-content: center;
  }
}

/* ===== 页面横幅 ===== */
.page-hero {
  position: relative;
  background: var(--primary);
  padding: 68px 0 64px;
  min-height: 340px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16, 42, 39, 0.96) 0%, rgba(16, 42, 39, 0.84) 100%);
}

.page-hero .container-custom {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  width: 100%;
}

.page-hero-left {
  flex: 1;
  max-width: 640px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.hero-badge i {
  color: var(--gold);
}

.page-hero-left h1 {
  font-size: clamp(1.9rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.page-hero-left h1 .h1-brand {
  display: block;
  font-size: 0.45em;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.62);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.page-hero-left h1 .h1-cat {
  display: block;
  font-size: 1em;
  font-weight: 800;
  color: var(--white);
}

.page-hero-left .hero-desc {
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  max-width: 520px;
  margin-bottom: 0;
}

.page-hero-right {
  flex: 0 0 360px;
  height: 220px;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.page-hero-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 核心服务列表 ===== */
.service-list-section {
  padding: 96px 0;
  background: var(--bg);
}

.section-header {
  margin-bottom: 56px;
  max-width: 720px;
}

.section-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.service-item {
  display: flex;
  align-items: center;
  gap: 48px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}

.service-item:last-child {
  border-bottom: none;
}

.service-item .item-img {
  flex: 0 0 260px;
  width: 260px;
  height: 170px;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--border);
}

.service-item .item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.service-item:hover .item-img img {
  transform: scale(1.04);
}

.service-item .item-body {
  flex: 1;
}

.service-item .item-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.item-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--accent-light);
  border-radius: 6px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.service-item .item-body p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.item-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
}

.item-link i {
  transition: transform 0.2s ease;
}

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

/* ===== 保障优势 ===== */
.metrics-section {
  background: var(--primary);
  padding: 72px 0;
}

.metrics-section .section-title {
  text-align: center;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.metrics-section .section-sub {
  text-align: center;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 48px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
}

.metric-item {
  text-align: center;
  padding-top: 20px;
  position: relative;
}

.metric-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.metric-item .metric-num {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  margin-bottom: 6px;
}

.metric-item .metric-label {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.75);
}

/* ===== 服务流程 ===== */
.process-section {
  padding: 96px 0;
  background: var(--white);
}

.process-section .section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.process-section .section-tag {
  margin-bottom: 14px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.process-step {
  background: var(--bg);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
}

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

.step-num {
  font-size: 2rem;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
  line-height: 1;
  margin-bottom: 16px;
}

.step-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.process-step h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

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

.faq-section .section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

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

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 22px 28px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  border: none;
  background: transparent;
  text-align: left;
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.75rem;
  transition: transform 0.3s ease;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 28px;
}

.faq-item.active .faq-answer {
  max-height: 320px;
  padding: 0 28px 22px;
}

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

.faq-answer p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
  border-left: 3px solid var(--accent);
  padding-left: 16px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 72px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
}

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

.cta-inner h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.cta-inner p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.cta-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 48px;
  padding: 0 36px;
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-btn);
  transition: var(--transition);
}

.cta-btn-outline:hover {
  background: rgba(31, 138, 112, 0.08);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.8);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  max-width: 360px;
  margin: 0;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
}

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

.footer-col ul li a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

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

.footer-contact p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact p i {
  color: var(--gold);
  font-size: 0.8125rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom .copyright {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom .footer-links a {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
  margin-left: 20px;
}

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

/* ===== 响应式 ===== */
@media (max-width: 991px) {
  .page-hero {
    min-height: 400px;
    padding: 56px 0 48px;
  }
  .page-hero-right {
    display: none;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 767px) {
  .container-custom {
    padding: 0 16px;
  }
  .page-hero {
    min-height: 360px;
    padding: 48px 0 40px;
  }
  .page-hero-left h1 {
    font-size: 1.75rem;
  }
  .page-hero-left .hero-desc {
    font-size: 0.9375rem;
  }
  .service-list-section {
    padding: 64px 0;
  }
  .section-header {
    margin-bottom: 40px;
  }
  .service-item {
    flex-direction: column;
    gap: 20px;
    padding: 32px 0;
  }
  .service-item .item-img {
    flex: none;
    width: 100%;
    height: 200px;
  }
  .metrics-section {
    padding: 56px 0;
  }
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .process-section {
    padding: 64px 0;
  }
  .process-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .faq-section {
    padding: 64px 0;
  }
  .faq-question {
    padding: 16px 20px;
    font-size: 0.9375rem;
  }
  .faq-answer {
    padding: 0 20px;
  }
  .faq-item.active .faq-answer {
    padding: 0 20px 18px;
  }
  .cta-section {
    padding: 56px 0;
  }
  .cta-btn-outline {
    width: 100%;
    justify-content: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .footer-bottom .footer-links a {
    margin: 0 10px;
  }
}

@media (max-width: 520px) {
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .metric-item .metric-num {
    font-size: 2rem;
  }
  .metric-item .metric-label {
    font-size: 0.8125rem;
  }
  .page-hero-left h1 {
    font-size: 1.5rem;
  }
}

/* roulang page: category3 */
:root {
  --primary: #102A27;
  --primary-light: #1A3A35;
  --accent: #1F8A70;
  --accent-dark: #176B56;
  --gold: #C8A45D;
  --bg: #F7F5F1;
  --white: #FFFFFF;
  --text: #1A1D1C;
  --text-secondary: #5B6562;
  --text-muted: #8A918E;
  --border: #E7E1D7;
  --danger: #C55346;
  --disabled: #B9B5AD;
  --radius-card: 10px;
  --radius-btn: 8px;
  --radius-input: 6px;
  --shadow-sm: 0 4px 16px rgba(16, 42, 39, 0.06);
  --shadow-hover: 0 12px 32px rgba(16, 42, 39, 0.12);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-en: Inter, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-sans); color: var(--text); margin-top: 0; }
h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; line-height: 1.25; }
h3 { font-size: 1.25rem; font-weight: 700; line-height: 1.4; }
p { font-size: 1rem; line-height: 1.75; color: var(--text-secondary); }
ul { margin: 0; padding: 0; list-style: none; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
  cursor: pointer;
}
.btn:focus, .btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: none;
}
.btn-primary {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #fff !important;
}
.btn-primary:hover {
  background-color: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(31, 138, 112, 0.25);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent) !important;
}
.btn-outline:hover {
  background: rgba(31, 138, 112, 0.08);
  border-color: var(--accent-dark);
  color: var(--accent-dark) !important;
  transform: translateY(-2px);
}
.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: var(--primary);
  min-height: 72px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  position: relative;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.375rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  letter-spacing: 0.01em;
}
.brand-logo:hover { color: #fff; }
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  border-radius: 8px;
  line-height: 1;
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.main-nav a:hover { color: #fff; }
.main-nav a:hover::after { transform: scaleX(1); }
.main-nav a.active { color: #fff; }
.main-nav a.active::after { transform: scaleX(1); }
.nav-cta {
  height: 44px;
  padding: 0 20px;
  font-size: 0.9375rem;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-btn);
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.2s ease;
  line-height: 1;
  cursor: pointer;
}
.nav-cta:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  color: #fff;
}
.nav-cta .cta-dot {
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 2px;
}
.nav-cta-mobile { display: none; width: 100%; justify-content: center; margin-top: 16px; }
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 6px;
  color: #fff;
  font-size: 1.1rem;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}
.nav-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ===== Category Hero ===== */
.category-hero {
  background: linear-gradient(120deg, #102A27 0%, #0D2421 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
  animation: heroFade 0.8s ease both;
}
@keyframes heroFade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.category-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 24px;
  letter-spacing: 0.03em;
}
.category-hero h1 { color: #fff; margin-bottom: 16px; }
.category-hero .hero-sub {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 0;
}
.category-hero .hero-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}
.category-hero .hero-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 12px;
}

/* ===== Section common ===== */
.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-title { margin-bottom: 16px; }
.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 48px;
  line-height: 1.75;
}

/* ===== Value ===== */
.value-section { padding: 96px 0; background: var(--bg); }
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.value-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}
.value-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.value-icon {
  width: 46px;
  height: 46px;
  background: rgba(31, 138, 112, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--accent);
  margin-bottom: 16px;
}
.value-card h3 { font-size: 1.125rem; margin-bottom: 10px; }
.value-card p { font-size: 0.875rem; line-height: 1.7; margin-bottom: 0; }

/* ===== Practice List ===== */
.practice-list { padding: 96px 0; background: var(--white); }
.practice-item {
  display: flex;
  align-items: stretch;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  transition: transform 0.3s ease;
}
.practice-item:first-of-type { padding-top: 4px; }
.practice-item:last-of-type { border-bottom: none; }
.practice-item:hover { transform: translateX(6px); }
.practice-img {
  border-radius: var(--radius-card);
  overflow: hidden;
  width: 280px;
  min-height: 180px;
  flex-shrink: 0;
  background: var(--border);
}
.practice-img img { width: 100%; height: 180px; object-fit: cover; }
.practice-body { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; }
.tag {
  display: inline-block;
  background: rgba(31, 138, 112, 0.08);
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
  border: 1px solid rgba(31, 138, 112, 0.2);
}
.practice-body h3 { font-size: 1.25rem; margin-bottom: 8px; }
.practice-body p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 16px;
  max-width: 680px;
}
.list-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: gap 0.2s ease, color 0.2s ease;
  margin-top: auto;
}
.list-link:hover { color: var(--accent-dark); gap: 10px; }
.list-link .arrow { font-size: 1.15rem; line-height: 1; }

/* ===== Scenario ===== */
.scenario-section { padding: 96px 0; background: var(--bg); }
.scenario-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.scenario-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}
.scenario-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.scenario-icon {
  width: 48px;
  height: 48px;
  background: rgba(31, 138, 112, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--accent);
  margin-bottom: 16px;
}
.scenario-card h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 10px; }
.scenario-card p { font-size: 0.875rem; line-height: 1.7; margin-bottom: 0; }

/* ===== Process ===== */
.process-section {
  padding: 96px 0;
  background: linear-gradient(120deg, #102A27 0%, #0D2421 100%);
}
.process-section .section-label { color: var(--gold); }
.process-section .section-title { color: #fff; }
.process-section .section-desc { color: rgba(255, 255, 255, 0.65); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  transition: background 0.3s ease, transform 0.3s ease;
}
.process-step:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-4px); }
.step-num {
  display: block;
  font-family: var(--font-en);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}
.process-step h3 { font-size: 1.0625rem; margin-bottom: 8px; color: #fff; }
.process-step p { font-size: 0.875rem; color: rgba(255, 255, 255, 0.65); line-height: 1.7; margin-bottom: 0; }

/* ===== FAQ ===== */
.faq-section { padding: 96px 0; background: var(--white); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
.faq-item:hover { box-shadow: var(--shadow-sm); border-color: #d8d0c2; }
.faq-item summary { list-style: none; cursor: pointer; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: transparent;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: background 0.2s ease;
  border-left: 4px solid transparent;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
}
.faq-btn:hover { background: rgba(31, 138, 112, 0.04); }
.faq-btn .icon {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item[open] .faq-btn { border-left-color: var(--accent); }
.faq-item[open] .faq-btn .icon { transform: rotate(180deg); }
.faq-answer {
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-secondary);
  background: var(--bg);
  border-left: 4px solid var(--accent);
}

/* ===== CTA ===== */
.cta-section { padding: 96px 0; background: var(--bg); }
.cta-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.cta-box h2 { margin-bottom: 16px; }
.cta-box p { color: var(--text-secondary); max-width: 560px; margin: 0 auto 32px; }

/* ===== Footer ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.6);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.footer-logo .logo-mark { width: 32px; height: 32px; font-size: 0.9375rem; }
.footer-brand p { font-size: 0.875rem; line-height: 1.75; color: rgba(255, 255, 255, 0.55); max-width: 340px; margin-bottom: 0; }
.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255, 255, 255, 0.55); font-size: 0.875rem; transition: color 0.2s ease, padding-left 0.2s ease; }
.footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-col ul li:not(a) { color: rgba(255, 255, 255, 0.55); font-size: 0.875rem; }
.footer-contact p { font-size: 0.875rem; margin-bottom: 8px; color: rgba(255, 255, 255, 0.55); display: flex; align-items: center; gap: 8px; }
.footer-contact p i { color: var(--accent); width: 16px; text-align: center; }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8125rem;
  flex-wrap: wrap;
}
.footer-links a { color: rgba(255, 255, 255, 0.4); margin-left: 20px; transition: color 0.2s ease; }
.footer-links a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .practice-img { width: 220px; }
  .practice-img img { height: 160px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .section-padding,
  .value-section,
  .practice-list,
  .scenario-section,
  .process-section,
  .faq-section,
  .cta-section { padding: 64px 0; }

  .site-header { min-height: 60px; }
  .header-inner { min-height: 60px; flex-wrap: nowrap; }
  .brand-logo { font-size: 1.125rem; }
  .logo-mark { width: 32px; height: 32px; font-size: 0.9375rem; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 20px 24px 24px;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 30px rgba(16, 42, 39, 0.12);
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .main-nav a {
    color: var(--text);
    font-size: 1rem;
    padding: 10px 0;
    display: block;
    border-bottom: 1px solid rgba(231, 225, 215, 0.6);
  }
  .main-nav a:last-child { border-bottom: none; }
  .main-nav a::after { display: none; }
  .main-nav a.active { color: var(--accent); font-weight: 600; }
  .main-nav .nav-cta-mobile {
    display: inline-flex;
    margin-top: 20px;
    background: var(--accent);
    color: #fff;
  }
  .main-nav .nav-cta-mobile:hover { background: var(--accent-dark); color: #fff; }

  .category-hero { padding: 56px 0 64px; }
  .category-hero h1 { font-size: 1.875rem; }
  .category-hero .hero-sub { font-size: 1rem; }
  .category-hero .hero-image { margin-top: 32px; }
  .category-hero .hero-image img { height: 220px; }

  .value-grid,
  .scenario-grid { grid-template-columns: 1fr; }
  .practice-item {
    flex-direction: column;
    gap: 20px;
    padding: 28px 0;
  }
  .practice-img { width: 100%; }
  .practice-img img { height: 200px; }
  .process-grid { grid-template-columns: 1fr; }

  .cta-box { padding: 40px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-links a { margin-left: 0; margin-right: 20px; }
}

@media (min-width: 768px) and (max-width: 991px) {
  .main-nav ul { gap: 20px; }
  .nav-cta { padding: 0 16px; }
}