/* roulang page: index */
:root{
  --primary:#14213D;
  --primary-dark:#0E1B2F;
  --accent:#B08A45;
  --bg:#F5F3EF;
  --bg-white:#FFFFFF;
  --text:#1E1B16;
  --text-muted:#6F6B64;
  --border:#E5DFD6;
  --success:#2F7D5D;
  --radius-sm:6px;
  --radius-md:8px;
  --radius-lg:12px;
  --shadow-sm:0 1px 2px rgba(20,33,61,0.04);
  --shadow-hover:0 12px 24px rgba(20,33,61,0.10);
  --max-width:1200px;
  --transition:0.2s ease;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',Inter,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary-dark)}
button{font-family:inherit}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}

/* Topbar */
.topbar{background:var(--primary-dark);color:rgba(255,255,255,0.85);font-size:14px;position:relative;z-index:900}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:40px}
.topbar-inner span{font-size:13px;display:inline-flex;align-items:center;gap:8px}
.topbar-close{background:none;border:none;color:rgba(255,255,255,0.6);font-size:20px;cursor:pointer;line-height:1;padding:0 4px}
.topbar-close:hover{color:#fff}

/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.98);border-bottom:1px solid var(--border);transition:box-shadow var(--transition)}
.site-header.scrolled{box-shadow:0 4px 24px rgba(20,33,61,0.08)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--primary);color:#fff;font-weight:800;font-size:14px;border-radius:var(--radius-md);letter-spacing:0.5px}
.logo-text{font-size:16px;font-weight:800;color:var(--text);letter-spacing:-0.3px;line-height:1.3}
.logo-text small{display:block;font-size:11px;font-weight:400;color:var(--text-muted);letter-spacing:0.5px}
.main-nav{display:flex;align-items:center;gap:32px}
.nav-link{font-size:15px;font-weight:500;color:var(--text);position:relative;padding:4px 0;white-space:nowrap}
.nav-link::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--primary);transition:width var(--transition)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-cta{flex-shrink:0}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--primary)}

/* Drawer */
.drawer-overlay{position:fixed;inset:0;background:rgba(20,33,61,0.5);z-index:1049;opacity:0;pointer-events:none;transition:opacity 0.3s ease}
.drawer-overlay.open{opacity:1;pointer-events:auto}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:320px;max-width:85%;background:#fff;z-index:1050;padding:24px;display:flex;flex-direction:column;transform:translateX(100%);transition:transform 0.3s ease;box-shadow:-4px 0 24px rgba(20,33,61,0.1)}
.mobile-drawer.open{transform:translateX(0)}
.drawer-close{align-self:flex-end;background:none;border:none;font-size:28px;cursor:pointer;color:var(--text);padding:8px;line-height:1}
.mobile-drawer nav{display:flex;flex-direction:column;gap:4px;margin-top:32px;flex:1}
.mobile-drawer nav a{padding:14px 12px;font-size:16px;font-weight:500;border-radius:var(--radius-md);color:var(--text)}
.mobile-drawer nav a:hover,.mobile-drawer nav a.active{background:var(--bg);color:var(--primary)}
.drawer-cta{margin-top:auto;width:100%}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;border-radius:var(--radius-md);font-size:15px;font-weight:600;line-height:1.5;border:1px solid transparent;cursor:pointer;transition:all var(--transition);white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{border-color:var(--primary-dark);background:rgba(20,33,61,0.04)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,0.5);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,0.08);color:#fff}
.btn-lg{padding:14px 32px;font-size:16px;border-radius:var(--radius-lg)}
.btn-block{width:100%}

/* Section */
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent);letter-spacing:1px;text-transform:uppercase}
.section-tag::before{content:'';width:24px;height:2px;background:var(--accent);display:inline-block}
.section-title{font-size:36px;font-weight:800;color:var(--text);letter-spacing:-0.8px;line-height:1.3;margin-top:12px}
.section-subtitle{font-size:16px;color:var(--text-muted);margin-top:12px;max-width:640px;line-height:1.8}

/* Hero */
.hero{position:relative;min-height:600px;height:80vh;max-height:900px;display:flex;align-items:center;background-color:var(--primary);background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:rgba(20,33,61,0.88)}
.hero-content{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr 0.8fr;gap:60px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent);letter-spacing:1px;text-transform:uppercase}
.hero-tag::before{content:'';width:24px;height:2px;background:var(--accent);display:inline-block}
.hero h1{font-size:56px;line-height:1.15;font-weight:800;color:#fff;letter-spacing:-1.5px;margin-top:16px}
.hero-subtitle{font-size:18px;color:rgba(255,255,255,0.85);margin-top:20px;line-height:1.8;max-width:540px}
.hero-actions{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.hero-panel{background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.14);border-radius:var(--radius-lg);padding:32px;backdrop-filter:blur(8px)}
.hero-panel h3{color:#fff;font-size:18px;font-weight:600;margin-bottom:16px}
.hero-panel ul{list-style:none}
.hero-panel li{display:flex;align-items:center;gap:10px;padding:8px 0;color:rgba(255,255,255,0.8);font-size:14px;border-bottom:1px solid rgba(255,255,255,0.06)}
.hero-panel li:last-child{border-bottom:none}
.hero-panel li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}

/* Metrics */
.metrics{background:var(--bg-white);border-bottom:1px solid var(--border)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric-item{padding:32px 24px;text-align:center;border-left:1px solid var(--border)}
.metric-item:first-child{border-left:none}
.metric-value{font-size:38px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--primary);letter-spacing:-1px;line-height:1.2}
.metric-label{font-size:14px;color:var(--text-muted);margin-top:6px}

/* Steps */
.steps-section{padding:96px 0}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative;margin-top:48px}
.step-item{padding:40px 36px;position:relative}
.step-item + .step-item{border-left:1px solid var(--border)}
.step-number{font-size:56px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-2px;line-height:1}
.step-title{font-size:20px;font-weight:700;margin-top:16px;color:var(--text)}
.step-desc{font-size:15px;color:var(--text-muted);margin-top:10px;line-height:1.8}

/* Cases */
.cases-section{background:#ECEAE5;padding:96px 0}
.cases-layout{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.cases-title{font-size:36px;font-weight:800;letter-spacing:-0.8px;line-height:1.3}
.cases-desc{font-size:16px;color:var(--text-muted);margin-top:16px;line-height:1.8}
.case-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:32px 40px;margin-top:32px}
.case-num{font-size:34px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:-1px}
.case-label{font-size:14px;color:var(--text-muted);margin-top:4px}
.case-clients{border-top:1px solid rgba(20,33,61,0.1);margin-top:40px;padding-top:24px;display:flex;flex-wrap:wrap;gap:16px}
.case-client{font-size:13px;color:var(--text-muted);background:rgba(20,33,61,0.04);padding:6px 14px;border-radius:20px}
.cases-right .case-clients-grey{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cases-right .case-clients-grey span{font-size:13px;color:#8A867E;background:rgba(255,255,255,0.7);padding:6px 14px;border-radius:20px;border:1px solid var(--border)}

/* FAQ */
.faq-section{padding:96px 0;background:var(--bg-white)}
.faq-list{max-width:800px;margin:48px auto 0}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:20px 0;cursor:pointer;font-size:17px;font-weight:600;background:none;border:none;width:100%;text-align:left;color:var(--text);transition:color var(--transition)}
.faq-question:hover{color:var(--primary)}
.faq-question .icon{transition:transform 0.3s ease;font-size:18px;color:var(--accent);flex-shrink:0}
.faq-item.active .faq-question .icon{transform:rotate(45deg)}
.faq-item.active .faq-question{color:var(--primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.3s ease,padding 0.3s ease}
.faq-item.active .faq-answer{max-height:400px;padding-bottom:20px}
.faq-answer p{color:var(--text-muted);line-height:1.8;font-size:15px}

/* News */
.news-section{padding:96px 0}
.news-list{max-width:900px;margin:48px auto 0}
.news-item{display:flex;align-items:center;justify-content:space-between;padding:20px 16px;border-bottom:1px solid var(--border);transition:background var(--transition);border-radius:var(--radius-sm);gap:20px}
.news-item:hover{background:#FAF8F5}
.news-item:last-child{border-bottom:none}
.news-item-left{flex:1;min-width:0}
.news-title{font-size:16px;font-weight:600;color:var(--text);transition:color var(--transition);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-item:hover .news-title{color:var(--primary)}
.news-summary{font-size:14px;color:var(--text-muted);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-muted);flex-shrink:0}
.news-cat{background:var(--bg);padding:2px 10px;border-radius:14px;font-size:12px;color:var(--text)}
.news-arrow{color:var(--accent);font-size:18px}
.news-empty{padding:40px;text-align:center;color:var(--text-muted);background:var(--bg);border-radius:var(--radius-md);font-size:15px}

/* CTA */
.cta-section{background:var(--primary);padding:96px 0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;position:relative}
.cta-section::before{content:'';position:absolute;inset:0;background:rgba(20,33,61,0.92)}
.cta-layout{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.cta-title{color:#fff;font-size:36px;font-weight:800;letter-spacing:-0.8px;line-height:1.3}
.cta-desc{color:rgba(255,255,255,0.75);margin-top:16px;font-size:16px;line-height:1.8}
.cta-points{margin-top:32px;list-style:none}
.cta-points li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,0.85);font-size:15px;padding:6px 0}
.cta-points li::before{content:'✓';color:var(--accent);font-weight:800}
.cta-form{background:#fff;border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-hover)}
.cta-form h3{font-size:20px;font-weight:700;color:var(--text);margin-bottom:4px}
.cta-form p{font-size:14px;color:var(--text-muted);margin-bottom:24px}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--text)}
.form-input{width:100%;height:44px;border:1px solid var(--border);border-radius:var(--radius-md);padding:0 14px;font-size:15px;transition:border-color var(--transition),box-shadow var(--transition);background:#fff;color:var(--text)}
.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(20,33,61,0.2)}
textarea.form-input{height:96px;padding:12px 14px;resize:vertical}
.form-input::placeholder{color:#9B948A}
.form-msg{margin-top:16px;padding:10px 14px;border-radius:var(--radius-sm);font-size:14px;display:none}
.form-msg.success{display:block;background:rgba(47,125,93,0.1);color:var(--success);border:1px solid rgba(47,125,93,0.2)}
.form-msg.error{display:block;background:rgba(200,70,50,0.1);color:#C84632;border:1px solid rgba(200,70,50,0.2)}

/* Footer */
.site-footer{background:#0F1B30;color:rgba(255,255,255,0.65);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:60px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-logo{font-size:18px;font-weight:800;color:#fff;display:flex;align-items:center;gap:8px}
.footer-logo .logo-mark{background:var(--accent);color:var(--primary-dark)}
.footer-brand p{margin-top:12px;font-size:14px;line-height:1.8;color:rgba(255,255,255,0.5)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:12px}
.footer-col a{display:block;padding:4px 0;font-size:14px;color:rgba(255,255,255,0.55)}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-size:13px;color:rgba(255,255,255,0.35)}
.footer-icp{font-size:12px;color:rgba(255,255,255,0.3)}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 0.6s cubic-bezier(0.22,1,0.36,1),transform 0.6s cubic-bezier(0.22,1,0.36,1)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* Responsive */
@media (max-width:1024px){
  .hero h1{font-size:42px}
  .hero-content{grid-template-columns:1fr;gap:32px}
  .hero-panel{display:none}
  .main-nav{display:none}
  .mobile-toggle{display:block}
  .nav-cta{display:none}
  .steps-grid{grid-template-columns:1fr;margin-top:24px}
  .step-item + .step-item{border-left:none;border-top:1px solid var(--border)}
  .cases-layout{grid-template-columns:1fr;gap:40px}
  .cta-layout{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr;gap:40px}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .metric-item:nth-child(3){border-left:none}
  .metric-item:nth-child(n+3){border-top:1px solid var(--border)}
  .section-title,.cases-title,.cta-title{font-size:30px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .hero{min-height:520px}
  .hero h1{font-size:32px}
  .hero-subtitle{font-size:16px}
  .btn-lg{padding:12px 24px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1;justify-content:center}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .metric-item{padding:24px 12px}
  .metric-value{font-size:28px}
  .steps-section,.cases-section,.faq-section,.news-section,.cta-section{padding:64px 0}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
  .cta-form{padding:24px}
  .news-item{flex-direction:column;align-items:flex-start;gap:8px}
  .news-meta{width:100%;justify-content:flex-start}
  .case-metrics{grid-template-columns:1fr 1fr;gap:20px}
}

/* roulang page: article */
:root {
  --color-primary: #14213D;
  --color-primary-dark: #0E1B2F;
  --color-accent: #B08A45;
  --color-warmbg: #F5F3EF;
  --color-card: #FFFFFF;
  --color-ink: #1E1B16;
  --color-sub: #6F6B64;
  --color-line: #E5DFD6;
  --color-success: #2F7D5D;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-fast: 0.2s ease;
  --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', 'Inter', 'Arial', sans-serif;
  background-color: var(--color-warmbg);
  color: var(--color-ink);
  line-height: 1.8;
  font-size: 16px;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}
img {
  max-width: 100%;
  height: auto;
}
button, input, textarea {
  font-family: inherit;
}
.container-x {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  width: 100%;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-line);
  transition: box-shadow var(--transition-fast);
}
.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(20, 33, 61, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav .nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink);
  padding: 8px 0;
}
.main-nav .nav-link:hover {
  color: var(--color-primary);
}
.main-nav .nav-link.active {
  color: var(--color-primary);
  font-weight: 700;
}
.main-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.header-cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
  transition: border-color var(--transition-fast);
}
.hamburger:hover {
  border-color: var(--color-primary);
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(20, 33, 61, 0.6);
  backdrop-filter: blur(4px);
}
.mobile-menu.open {
  display: block;
}
.mobile-drawer {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 320px;
  max-width: 85vw;
  background: #FFFFFF;
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 24px rgba(20, 33, 61, 0.08);
}
.mobile-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.mobile-close {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-line);
  background: transparent;
  border-radius: var(--radius-sm);
  font-size: 20px;
  color: var(--color-sub);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.mobile-close:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.mobile-link {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  padding: 14px 8px;
  border-bottom: 1px solid var(--color-line);
  transition: color var(--transition-fast);
}
.mobile-link:hover {
  color: var(--color-primary);
}
.mobile-cta {
  display: block;
  text-align: center;
  background: var(--color-primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  margin-top: 16px;
  transition: background var(--transition-fast);
}
.mobile-cta:hover {
  background: var(--color-primary-dark);
}
.article-banner {
  position: relative;
  background: var(--color-primary);
  padding: 56px 0 64px;
  overflow: hidden;
}
.article-banner-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.22;
}
.article-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(20, 33, 61, 0.96) 0%, rgba(20, 33, 61, 0.88) 100%);
}
.article-banner-content {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}
.breadcrumb a:hover {
  color: #FFFFFF;
}
.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.4);
}
.breadcrumb .current {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  max-width: 300px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article-heading {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.article-badge {
  display: inline-block;
  background: rgba(176, 138, 69, 0.16);
  color: #D4B77E;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 100px;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}
.article-heading h1 {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: #FFFFFF;
  margin: 0 0 16px;
}
.article-meta {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.article-meta time {
  letter-spacing: 0.02em;
}
.article-body-wrap {
  background: var(--color-warmbg);
  padding: 40px 0 56px;
}
.article-body {
  max-width: 760px;
  margin: 0 auto;
  background: #FFFFFF;
  padding: 48px 56px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-card);
  line-height: 1.9;
  font-size: 16px;
}
.article-body h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  margin: 40px 0 16px;
  padding-top: 8px;
}
.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 32px 0 12px;
}
.article-body p {
  margin-bottom: 24px;
}
.article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.article-body a:hover {
  color: var(--color-accent);
}
.article-body blockquote {
  border-left: 4px solid var(--color-accent);
  background: var(--color-warmbg);
  margin: 24px 0;
  padding: 16px 20px;
  color: var(--color-sub);
  font-style: italic;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.article-body img {
  border-radius: var(--radius-md);
  margin: 24px 0;
}
.article-body ul, .article-body ol {
  margin: 0 0 24px;
  padding-left: 24px;
}
.article-body li {
  margin-bottom: 8px;
}
.article-body code {
  background: var(--color-warmbg);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 14px;
}
.related-section {
  background: var(--color-warmbg);
  padding: 0 0 48px;
}
.section-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-title::before {
  content: '';
  width: 32px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}
.related-list {
  max-width: 860px;
}
.related-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 16px;
  border-top: 1px solid var(--color-line);
  transition: background var(--transition-fast);
  border-radius: var(--radius-sm);
}
.related-item:last-child {
  border-bottom: 1px solid var(--color-line);
}
.related-item:hover {
  background: #FAF8F5;
}
.related-info {
  flex: 1;
}
.related-info h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  margin: 0 0 4px;
  transition: color var(--transition-fast);
}
.related-item:hover .related-info h3 {
  color: var(--color-primary);
}
.related-info p {
  font-size: 14px;
  color: var(--color-sub);
  margin: 0;
  line-height: 1.6;
}
.related-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.related-meta time {
  font-size: 13px;
  color: var(--color-sub);
}
.related-arrow {
  font-size: 16px;
  color: var(--color-sub);
  transition: transform var(--transition-fast), color var(--transition-fast);
}
.related-item:hover .related-arrow {
  transform: translateX(4px);
  color: var(--color-primary);
}
.back-entry {
  text-align: center;
  padding: 24px 0 80px;
  background: var(--color-warmbg);
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-primary);
  border: 1px solid var(--color-line);
  background: #FFFFFF;
  padding: 12px 32px;
  border-radius: 100px;
  transition: all var(--transition-fast);
}
.back-link:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.not-found-wrap {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
}
.not-found-box {
  text-align: center;
  max-width: 480px;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  padding: 56px 40px;
  box-shadow: var(--shadow-card);
}
.not-found-box h1 {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin: 0 0 24px;
}
.not-found-box a {
  display: inline-block;
  margin-top: 8px;
  font-weight: 600;
  color: #FFFFFF;
  background: var(--color-primary);
  padding: 12px 32px;
  border-radius: 100px;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.not-found-box a:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
  max-width: 320px;
  margin: 0;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0 16px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  padding: 6px 0;
  transition: color var(--transition-fast);
}
.footer-col a:hover {
  color: #FFFFFF;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}
.footer-icp {
  color: rgba(255, 255, 255, 0.4);
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 1024px) {
  .main-nav {
    gap: 20px;
  }
  .main-nav .nav-link {
    font-size: 14px;
  }
}
@media (max-width: 768px) {
  .main-nav, .header-cta {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .header-inner {
    height: 64px;
  }
  .logo {
    font-size: 17px;
  }
  .logo-mark {
    width: 30px;
    height: 30px;
    font-size: 11px;
  }
  .article-banner {
    padding: 40px 0 48px;
  }
  .article-heading h1 {
    font-size: 28px;
  }
  .article-body {
    padding: 28px 20px;
  }
  .article-body-wrap {
    padding: 24px 0 40px;
  }
  .section-title {
    font-size: 22px;
  }
  .related-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .related-meta {
    width: 100%;
    justify-content: space-between;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .container-x {
    padding-left: 16px;
    padding-right: 16px;
  }
}
@media (max-width: 520px) {
  .article-heading h1 {
    font-size: 24px;
  }
  .breadcrumb {
    font-size: 13px;
  }
  .breadcrumb .current {
    max-width: 160px;
  }
  .not-found-box {
    padding: 40px 24px;
  }
  .back-link {
    width: 100%;
    justify-content: center;
  }
}

/* roulang page: category1 */
:root {
      --ink: #14213D;
      --ink-deep: #0E1B2F;
      --gold: #B08A45;
      --bg-warm: #F5F3EF;
      --card: #FFFFFF;
      --text: #1E1B16;
      --muted: #6F6B64;
      --border: #E5DFD6;
      --success: #2F7D5D;
      --radius-sm: 6px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 1px 2px rgba(20, 33, 61, 0.04);
      --shadow-hover: 0 12px 24px rgba(20, 33, 61, 0.10);
      --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --font-num: "Helvetica Neue", Inter, Arial, sans-serif;
      --container: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-cn);
      background: var(--bg-warm);
      color: var(--text);
      line-height: 1.8;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    input, textarea {
      font-family: inherit;
    }

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

    .section {
      padding: 80px 0;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--gold);
      border-left: 3px solid var(--gold);
      padding-left: 10px;
      letter-spacing: 0.06em;
      margin-bottom: 16px;
      text-transform: uppercase;
    }

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

    .section-head h2 {
      font-size: 34px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--ink);
      line-height: 1.3;
    }

    /* ---------- Header ---------- */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: var(--card);
      border-bottom: 1px solid transparent;
      transition: box-shadow .2s ease, background .2s ease;
    }

    .site-header.scrolled {
      box-shadow: 0 2px 12px rgba(20, 33, 61, 0.08);
      border-bottom-color: var(--border);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 20px;
    }

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

    .logo-mark {
      background: var(--ink);
      color: #fff;
      font-weight: 800;
      font-size: 14px;
      letter-spacing: 0.02em;
      padding: 6px 10px;
      border-radius: var(--radius-sm);
      font-family: var(--font-num);
      line-height: 1.2;
    }

    .logo-text {
      font-weight: 800;
      font-size: 18px;
      letter-spacing: -0.02em;
      color: var(--ink);
      white-space: nowrap;
    }

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

    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text);
      position: relative;
      padding: 8px 0;
      transition: color .2s ease;
    }

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

    .nav-link.active {
      color: var(--ink);
      font-weight: 600;
    }

    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 100%;
      height: 2px;
      background: var(--ink);
      border-radius: 1px;
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      width: 40px;
      height: 40px;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
    }

    .nav-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--ink);
      border-radius: 2px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 26px;
      border-radius: var(--radius-md);
      font-size: 15px;
      font-weight: 600;
      transition: all .2s ease;
      border: 1px solid transparent;
      line-height: 1.2;
      text-align: center;
      gap: 6px;
    }

    .btn-primary {
      background: var(--ink);
      color: #fff;
    }

    .btn-primary:hover {
      background: var(--ink-deep);
    }

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

    .btn-outline:hover {
      background: rgba(20, 33, 61, 0.05);
      border-color: var(--ink-deep);
    }

    .btn-light {
      background: transparent;
      border-color: rgba(255, 255, 255, 0.7);
      color: #fff;
    }

    .btn-light:hover {
      background: rgba(255, 255, 255, 0.10);
      border-color: #fff;
    }

    .btn-block {
      width: 100%;
    }

    .btn-nav-cta {
      padding: 9px 22px;
      font-size: 14px;
      flex-shrink: 0;
    }

    /* ---------- Mobile Drawer ---------- */
    .mobile-drawer {
      position: fixed;
      inset: 0;
      background: var(--bg-warm);
      z-index: 1100;
      padding: 24px;
      transform: translateX(100%);
      transition: transform .35s cubic-bezier(0.22, 1, 0.36, 1);
      display: flex;
      flex-direction: column;
    }

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

    .drawer-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 40px;
    }

    .drawer-close {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      border: 1px solid var(--border);
      background: #fff;
      font-size: 20px;
      color: var(--ink);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background .2s ease;
    }

    .drawer-close:hover {
      background: var(--bg-warm);
    }

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

    .drawer-nav .nav-link {
      font-size: 18px;
      padding: 14px 0;
      border-bottom: 1px solid var(--border);
      font-weight: 500;
    }

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

    .drawer-cta {
      margin-top: auto;
    }

    /* ---------- Page Hero ---------- */
    .page-hero {
      position: relative;
      min-height: 420px;
      display: flex;
      align-items: center;
      background-size: cover;
      background-position: center;
      margin-top: 72px;
    }

    .page-hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(20, 33, 61, 0.92) 0%, rgba(20, 33, 61, 0.78) 60%, rgba(20, 33, 61, 0.55) 100%);
    }

    .page-hero-content {
      position: relative;
      z-index: 2;
      max-width: 680px;
      padding-top: 48px;
      padding-bottom: 48px;
    }

    .page-hero .section-tag {
      color: var(--gold);
      border-left-color: var(--gold);
    }

    .page-hero h1 {
      color: #fff;
      font-size: 48px;
      font-weight: 800;
      letter-spacing: -0.03em;
      line-height: 1.2;
      margin-bottom: 20px;
    }

    .hero-subtitle {
      color: rgba(255, 255, 255, 0.85);
      font-size: 17px;
      line-height: 1.8;
      margin-bottom: 32px;
      max-width: 560px;
    }

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

    /* ---------- Metrics Bar ---------- */
    .metrics-bar {
      border-bottom: 1px solid var(--border);
      background: var(--card);
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      padding: 32px 24px;
    }

    .metric-item {
      text-align: center;
      padding: 0 16px;
      border-right: 1px solid var(--border);
    }

    .metric-item:last-child {
      border-right: none;
    }

    .metric-num {
      display: block;
      font-family: var(--font-num);
      font-size: 36px;
      font-weight: 800;
      color: var(--ink);
      line-height: 1.3;
      font-variant-numeric: tabular-nums;
    }

    .metric-label {
      display: block;
      font-size: 14px;
      color: var(--muted);
      margin-top: 6px;
    }

    /* ---------- Alternating List ---------- */
    .alt-section {
      padding: 80px 0;
    }

    .alt-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
      padding: 56px 0;
      border-bottom: 1px solid var(--border);
    }

    .alt-row:first-child {
      padding-top: 0;
    }

    .alt-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .step-num {
      display: inline-block;
      font-family: var(--font-num);
      font-size: 14px;
      font-weight: 700;
      color: var(--gold);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .alt-text h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--ink);
      letter-spacing: -0.01em;
      margin-bottom: 16px;
      line-height: 1.4;
    }

    .alt-text p {
      color: var(--muted);
      font-size: 16px;
      line-height: 1.9;
      margin-bottom: 20px;
    }

    .alt-features {
      list-style: none;
      padding: 0;
    }

    .alt-features li {
      position: relative;
      padding-left: 24px;
      font-size: 15px;
      color: var(--text);
      margin-bottom: 10px;
      line-height: 1.7;
    }

    .alt-features li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 10px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--gold);
    }

    .alt-img {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: box-shadow .3s ease;
    }

    .alt-img:hover {
      box-shadow: var(--shadow-hover);
    }

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

    /* ---------- Scenarios ---------- */
    .scenarios-section {
      background: var(--card);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .scenario-card {
      background: var(--bg-warm);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 32px;
      transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
    }

    .scenario-card:hover {
      border-color: var(--ink);
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }

    .scenario-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: var(--radius-md);
      background: var(--ink);
      color: #fff;
      font-family: var(--font-num);
      font-weight: 700;
      font-size: 16px;
      margin-bottom: 20px;
    }

    .scenario-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--ink);
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .scenario-card p {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.8;
    }

    /* ---------- FAQ ---------- */
    .faq-section {
      background: var(--bg-warm);
    }

    .faq-container {
      max-width: 800px;
    }

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

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

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 0;
      background: none;
      border: none;
      font-size: 17px;
      font-weight: 600;
      color: var(--text);
      text-align: left;
      transition: color .2s ease;
    }

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

    .faq-question::after {
      content: '+';
      font-size: 24px;
      font-weight: 400;
      color: var(--muted);
      transition: transform .3s ease;
      margin-left: 16px;
      flex-shrink: 0;
    }

    .faq-item.active .faq-question {
      color: var(--ink);
    }

    .faq-item.active .faq-question::after {
      transform: rotate(135deg);
    }

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

    .faq-answer p {
      padding-bottom: 18px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.9;
      max-width: 680px;
    }

    .faq-item.active .faq-answer {
      max-height: 500px;
    }

    /* ---------- Updates / CMS ---------- */
    .updates-section {
      background: var(--card);
      border-bottom: 1px solid var(--border);
    }

    .updates-empty {
      background: var(--bg-warm);
      border: 1px dashed var(--border);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      text-align: center;
      font-size: 15px;
      color: var(--muted);
    }

    /* ---------- CTA ---------- */
    .cta-section {
      background: var(--ink);
      padding: 80px 0;
      position: relative;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
      background-size: 24px 24px;
      pointer-events: none;
    }

    .cta-wrapper {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
    }

    .cta-left .section-tag {
      color: var(--gold);
      border-left-color: var(--gold);
    }

    .cta-left h2 {
      color: #fff;
      font-size: 32px;
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .cta-left p {
      color: rgba(255, 255, 255, 0.7);
      font-size: 16px;
      line-height: 1.8;
      margin-bottom: 28px;
    }

    .cta-points {
      list-style: none;
      padding: 0;
    }

    .cta-points li {
      position: relative;
      padding-left: 24px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.8);
      margin-bottom: 10px;
    }

    .cta-points li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 9px;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--gold);
    }

    .cta-right {
      background: #fff;
      padding: 36px;
      border-radius: var(--radius-lg);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
    }

    /* ---------- Form ---------- */
    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text);
    }

    .form-group input,
    .form-group textarea {
      width: 100%;
      height: 44px;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 0 14px;
      font-size: 15px;
      color: var(--text);
      background: #fff;
      transition: border-color .2s, box-shadow .2s;
      outline: none;
    }

    .form-group textarea {
      height: 96px;
      padding: 12px 14px;
      resize: vertical;
      line-height: 1.6;
    }

    .form-group input:focus,
    .form-group textarea:focus {
      border-color: var(--ink);
      box-shadow: 0 0 0 3px rgba(20, 33, 61, 0.15);
    }

    .form-group input::placeholder,
    .form-group textarea::placeholder {
      color: #9B948A;
      font-size: 14px;
    }

    .form-message {
      margin-top: 12px;
      font-size: 14px;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      display: none;
      line-height: 1.6;
    }

    .form-message.success {
      display: block;
      background: rgba(47, 125, 93, 0.10);
      color: var(--success);
      border: 1px solid rgba(47, 125, 93, 0.25);
    }

    .form-message.error {
      display: block;
      background: rgba(176, 58, 46, 0.08);
      color: #B03A2E;
      border: 1px solid rgba(176, 58, 46, 0.20);
    }

    /* ---------- Footer ---------- */
    .site-footer {
      background: var(--ink-deep);
      color: rgba(255, 255, 255, 0.75);
      padding: 64px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand .footer-logo {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .footer-logo .logo-mark {
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
    }

    .footer-brand p {
      max-width: 340px;
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.6);
    }

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

    .footer-col a {
      display: block;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.65);
      margin-bottom: 10px;
      transition: color .2s ease;
    }

    .footer-col a:hover {
      color: #fff;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      padding-top: 20px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.45);
    }

    .footer-icp {
      color: rgba(255, 255, 255, 0.35);
    }

    /* ---------- Reveal Animations ---------- */
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ---------- Responsive ---------- */
    @media (max-width: 1024px) {
      .main-nav,
      .btn-nav-cta {
        display: none;
      }

      .nav-toggle {
        display: flex;
      }

      .alt-row {
        gap: 32px;
      }

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

      .cta-wrapper {
        gap: 40px;
      }
    }

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

      .container {
        padding: 0 16px;
      }

      .page-hero {
        min-height: 380px;
        margin-top: 64px;
      }

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

      .hero-subtitle {
        font-size: 15px;
      }

      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px 0;
        padding: 24px 16px;
      }

      .metric-item {
        border-right: none;
        padding: 0;
      }

      .metric-item:nth-child(odd) {
        border-right: 1px solid var(--border);
      }

      .metric-num {
        font-size: 28px;
      }

      .alt-row {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 40px 0;
      }

      .alt-text h3 {
        font-size: 20px;
      }

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

      .faq-question {
        font-size: 16px;
      }

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

      .cta-left h2 {
        font-size: 26px;
      }

      .cta-right {
        padding: 24px;
      }

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

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

    @media (max-width: 520px) {
      .hero-actions {
        flex-direction: column;
        width: 100%;
      }

      .hero-actions .btn {
        width: 100%;
      }

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

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

      .metric-num {
        font-size: 24px;
      }
    }

/* roulang page: category2 */
:root {
            --primary: #14213D;
            --primary-dark: #0E1B2F;
            --accent: #B08A45;
            --accent-dark: #96743A;
            --bg: #F5F3EF;
            --card: #FFFFFF;
            --text: #1E1B16;
            --muted: #6F6B64;
            --border: #E5DFD6;
            --success: #2F7D5D;
            --shadow-sm: 0 1px 2px rgba(20, 33, 61, 0.04);
            --shadow-hover: 0 12px 24px rgba(20, 33, 61, 0.10);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --ease: all .2s ease;
            --ease-reveal: cubic-bezier(.22, 1, .36, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Helvetica, Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--ease);
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .12em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            display: inline-block;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.25;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 640px;
            line-height: 1.8;
        }

        /* Top Bar */
        .top-bar {
            background: var(--primary);
            color: rgba(255, 255, 255, .85);
            font-size: 13px;
            min-height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            padding: 0 48px;
            text-align: center;
        }
        .top-bar-close {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, .7);
            font-size: 18px;
            line-height: 1;
            padding: 4px;
            transition: var(--ease);
        }
        .top-bar-close:hover {
            color: #fff;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            border-bottom: 1px solid var(--border);
            transition: box-shadow .2s ease;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-hover);
            border-bottom-color: transparent;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            letter-spacing: .04em;
        }
        .logo-text {
            font-size: 17px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0 auto;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
            transition: var(--ease);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .25s ease;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 6px;
            border: 2px solid transparent;
            transition: var(--ease);
            letter-spacing: .02em;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 6px;
            border: 2px solid var(--primary);
            transition: var(--ease);
            letter-spacing: .02em;
        }
        .btn-outline:hover {
            border-color: var(--primary-dark);
            background: rgba(20, 33, 61, .04);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: #fff;
            transition: var(--ease);
        }
        .menu-toggle span {
            width: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--ease);
        }
        .menu-toggle:hover {
            border-color: var(--primary);
        }

        /* Mobile Drawer */
        .mobile-drawer {
            position: fixed;
            inset: 0;
            z-index: 200;
            background: #fff;
            display: flex;
            flex-direction: column;
            padding: 24px;
            transform: translateX(100%);
            transition: transform .3s ease;
            visibility: hidden;
        }
        .mobile-drawer.open {
            transform: translateX(0);
            visibility: visible;
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }
        .drawer-close {
            width: 40px;
            height: 40px;
            border-radius: 6px;
            border: 1px solid var(--border);
            font-size: 22px;
            color: var(--text);
            transition: var(--ease);
        }
        .drawer-close:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }
        .drawer-link {
            padding: 14px 8px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            border-bottom: 1px solid var(--border);
            transition: var(--ease);
            border-radius: 4px;
        }
        .drawer-link:hover,
        .drawer-link.active {
            color: var(--primary);
            background: rgba(20, 33, 61, .03);
            padding-left: 16px;
        }
        .drawer-cta {
            margin-top: 24px;
            width: 100%;
        }

        /* Page Hero */
        .page-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 96px 0 72px;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(20, 33, 61, .88);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(176, 138, 69, .18);
            border: 1px solid rgba(176, 138, 69, .4);
            color: #E8C88F;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .04em;
            margin-bottom: 20px;
        }
        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
            max-width: 720px;
        }
        .page-hero p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .82);
            max-width: 620px;
            margin-bottom: 28px;
        }
        .page-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .page-hero .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .page-hero .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
        }

        /* Security Main Layout */
        .security-main {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 48px;
            padding-top: 64px;
            padding-bottom: 64px;
            align-items: start;
        }

        /* Sidebar */
        .security-sidebar {
            position: sticky;
            top: 96px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .sidebar-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text);
            line-height: 1.6;
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin-top: 8px;
            flex-shrink: 0;
        }
        .metric-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 8px;
        }
        .metric-item {
            text-align: center;
            padding: 16px 8px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
        }
        .metric-item .value {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .metric-item .label {
            font-size: 12px;
            color: var(--muted);
            margin-top: 4px;
            line-height: 1.4;
        }
        .badge-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(47, 125, 93, .08);
            color: var(--success);
            border: 1px solid rgba(47, 125, 93, .25);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: .02em;
        }

        /* Content Area */
        .security-content {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }
        .security-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .3s ease;
        }
        .security-block:hover {
            box-shadow: var(--shadow-hover);
        }
        .security-block-img {
            position: relative;
            min-height: 280px;
            background-size: cover;
            background-position: center;
        }
        .security-block-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .security-block-body {
            padding: 32px;
        }
        .security-block-body .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: .08em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .security-block-body h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
            line-height: 1.4;
        }
        .security-block-body p {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 16px;
            line-height: 1.8;
        }
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text);
            line-height: 1.6;
        }
        .feature-list li::before {
            content: '✓';
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(47, 125, 93, .1);
            color: var(--success);
            font-size: 12px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-section {
            padding: 64px 0;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            border-top: 1px solid var(--border);
            margin-bottom: -1px;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 0;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            text-align: left;
            transition: var(--ease);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question.active {
            color: var(--primary);
        }
        .faq-icon {
            width: 20px;
            height: 20px;
            min-width: 20px;
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform .3s ease;
            color: var(--muted);
        }
        .faq-question.active .faq-icon {
            transform: rotate(135deg);
            border-color: var(--primary);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }
        .faq-answer-inner {
            padding: 0 0 20px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: var(--primary);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 20%, rgba(176, 138, 69, .12), transparent 60%);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
            flex-wrap: wrap;
        }
        .cta-copy {
            max-width: 520px;
        }
        .cta-copy h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .cta-copy p {
            color: rgba(255, 255, 255, .78);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .cta-copy .section-label::before {
            background: var(--accent);
        }
        .cta-copy .section-label {
            color: #E8C88F;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .btn-primary {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }
        .cta-section .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
        }
        .cta-section .btn-outline {
            border-color: rgba(255, 255, 255, .5);
            color: #fff;
        }
        .cta-section .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .06);
        }

        /* Footer */
        .site-footer {
            background: #101B2E;
            color: rgba(255, 255, 255, .72);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: .04em;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            padding: 6px 0;
            transition: var(--ease);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }
        .footer-icp {
            color: rgba(255, 255, 255, .35);
        }

        /* Reveal */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity .6s var(--ease-reveal), transform .6s var(--ease-reveal);
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Responsive */
        @media (max-width:1024px) {
            .page-hero h1 {
                font-size: 38px;
            }
            .security-main {
                grid-template-columns: 260px 1fr;
                gap: 32px;
            }
            .security-block {
                grid-template-columns: 1fr;
            }
            .security-block-img {
                min-height: 220px;
            }
        }
        @media (max-width:768px) {
            .main-nav {
                display: none;
            }
            .header-actions .btn-primary {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .security-main {
                grid-template-columns: 1fr;
            }
            .security-sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .page-hero {
                padding: 64px 0 48px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .section-title {
                font-size: 28px;
            }
            .cta-inner {
                flex-direction: column;
                gap: 32px;
                align-items: flex-start;
            }
            .cta-copy {
                max-width: 100%;
            }
        }
        @media (max-width:520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .security-block-body {
                padding: 24px;
            }
            .security-block-body h3 {
                font-size: 19px;
            }
            .section-title {
                font-size: 24px;
            }
            .top-bar {
                font-size: 12px;
                padding: 0 40px;
            }
        }

        /* Focus accessibility */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* Grid decorative */
        .grid-bg {
            background-image: linear-gradient(rgba(20, 33, 61, .04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(20, 33, 61, .04) 1px, transparent 1px);
            background-size: 32px 32px;
        }