/* roulang page: index */
:root{
  --primary:#0F3D3E;
  --primary-dark:#0A2A2B;
  --accent:#D4A857;
  --accent-light:#E3B96C;
  --accent-dark:#B8913E;
  --bg:#F7F5F0;
  --card-bg:#FFFFFF;
  --border:#E5E1D8;
  --border-light:#EFECE5;
  --text-main:#1E2B2C;
  --text-secondary:#5A6667;
  --text-muted:#8A9495;
  --success:#2E7D6B;
  --warning:#C7741D;
  --error:#B4452E;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
  --font-mono:"DIN Alternate","Roboto Mono",monospace;
  --radius-xs:4px;
  --radius-sm:6px;
  --radius-md:8px;
  --radius-lg:12px;
  --shadow-sm:0 1px 2px rgba(15,61,62,0.06);
  --shadow-hover:0 8px 24px rgba(15,61,62,0.10);
  --container-w:1280px;
  --gutter:24px;
  --section-gap:80px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text-main);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;transition:color .2s;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,select,textarea{font-family:inherit;font-size:16px;}
.container{
  max-width:var(--container-w);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
section{scroll-margin-top:80px;}
h1,h2,h3,h4,h5{line-height:1.3;letter-spacing:-0.01em;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 28px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1.2;
  transition:background-color .2s,color .2s,border-color .2s,box-shadow .2s,transform .1s;
  cursor:pointer;border:1.5px solid transparent;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-primary{background:var(--accent);color:var(--primary);border-color:var(--accent);}
.btn-primary:hover{background:var(--accent-light);border-color:var(--accent-light);transform:translateY(1px);}
.btn-primary:active{background:var(--accent-dark);border-color:var(--accent-dark);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:rgba(15,61,62,0.08);}
.btn-outline:active{background:rgba(15,61,62,0.16);}
.btn-lg{padding:14px 36px;font-size:16px;}
.btn-sm{padding:8px 18px;font-size:13px;}
.btn-block{width:100%;}
.badge{
  display:inline-block;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:500;background:rgba(15,61,62,0.08);color:var(--primary);
}
.section-title{
  font-size:32px;font-weight:700;color:var(--primary);
  margin-bottom:16px;letter-spacing:-0.01em;
}
.section-sub{
  font-size:16px;color:var(--text-secondary);max-width:640px;
  margin-bottom:48px;line-height:1.7;
}
.card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
  border-color:#d8d2c6;
}

/* Header */
.site-header{}
.header-brand-row{background:var(--bg);border-bottom:1px solid var(--border);transition:margin-top .3s ease;}
.site-header.scrolled .header-brand-row{margin-top:-80px;}
.brand-row-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;padding-top:8px;padding-bottom:8px;
}
.brand-logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-mark{width:38px;height:38px;flex-shrink:0;}
.brand-name{font-size:24px;font-weight:700;color:var(--primary);letter-spacing:-0.01em;line-height:1.2;}
.brand-actions{display:flex;align-items:center;gap:20px;}
.brand-phone{font-size:14px;font-weight:500;color:var(--text-secondary);white-space:nowrap;}
.brand-phone:hover{color:var(--primary);}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;background:transparent;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--primary);border-radius:2px;transition:transform .3s,opacity .3s;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.header-nav-row{
  background:var(--primary);
  position:sticky;top:0;z-index:100;
  box-shadow:0 2px 8px rgba(15,61,62,0.2);
}
.nav-row-inner{display:flex;align-items:center;gap:36px;min-height:50px;}
.nav-link{
  display:inline-block;color:rgba(255,255,255,0.82);
  font-size:15px;font-weight:500;line-height:50px;
  border-bottom:3px solid transparent;
  transition:color .2s,border-color .2s;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;}
.nav-link.active{color:#fff;border-bottom-color:var(--accent);}
.nav-overlay{display:none;}

/* Hero */
.hero{
  background:
    radial-gradient(ellipse at 70% 20%, rgba(15,61,62,0.55), rgba(15,61,62,1) 75%),
    linear-gradient(135deg,#0F3D3E 0%,#0A2A2B 100%);
  color:#fff;
  padding:72px 0 0;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:120px;
  background:linear-gradient(to top,var(--bg),transparent);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:55% 35%;
  gap:10%;
  align-items:center;
  min-height:520px;
  position:relative;z-index:2;
}
.hero-content{}
.hero-title{
  font-size:44px;font-weight:700;line-height:1.25;
  letter-spacing:-0.01em;color:#fff;
  margin-bottom:20px;
}
.hero-title .hl{color:var(--accent);}
.hero-subtitle{
  font-size:20px;line-height:1.6;color:rgba(255,255,255,0.85);
  margin-bottom:16px;font-weight:400;
}
.hero-desc{
  font-size:15px;line-height:1.75;color:rgba(255,255,255,0.65);
  margin-bottom:32px;max-width:520px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px;}
.hero-visual{position:relative;min-height:440px;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-radius:var(--radius-lg);
  opacity:0.28;
}
.login-card{
  position:absolute;top:50%;left:50%;width:310px;transform:translate(-50%,-50%);
  background:var(--card-bg);border-radius:var(--radius-lg);
  box-shadow:0 20px 60px rgba(0,0,0,0.35);
  overflow:hidden;z-index:2;
}
.login-card-top{
  display:flex;align-items:center;gap:6px;
  padding:14px 16px;background:#F0EFEA;
  border-bottom:1px solid var(--border);
}
.login-card-top .dot{width:10px;height:10px;border-radius:50%;display:block;}
.login-card-top .dot-r{background:#F87171;}
.login-card-top .dot-y{background:#FBBF24;}
.login-card-top .dot-g{background:#34D399;}
.login-card-url{
  margin-left:12px;font-size:12px;color:var(--text-secondary);
  font-family:var(--font-mono);letter-spacing:0.02em;
}
.login-card-body{padding:24px 20px 20px;}
.login-field{margin-bottom:16px;}
.login-field label{display:block;font-size:12px;color:var(--text-secondary);margin-bottom:6px;font-weight:500;}
.login-field .input-sim{
  height:38px;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:#FAF9F6;padding:0 12px;display:flex;align-items:center;
}
.login-field .input-sim::after{content:'';flex:1;height:1px;background:#D8D3C8;display:block;margin-left:8px;}
.login-btn{
  width:100%;height:42px;background:var(--primary);color:#fff;
  border-radius:var(--radius-sm);font-size:14px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
  margin-top:20px;letter-spacing:4px;
}
.login-card-badge{
  display:flex;align-items:center;gap:8px;
  padding:12px 16px;background:rgba(46,125,107,0.1);
  border-top:1px solid rgba(46,125,107,0.15);
}
.login-card-badge .badge-icon{
  width:20px;height:20px;border-radius:50%;background:var(--success);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:11px;
}
.login-card-badge span{font-size:13px;color:var(--success);font-weight:600;}

/* Metrics Strip */
.metrics-strip{
  position:relative;z-index:5;
  background:var(--card-bg);
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  box-shadow:var(--shadow-hover);
  padding:36px 48px;
  margin-top:-60px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.metric{text-align:center;}
.metric-num{
  display:block;font-size:38px;font-weight:700;color:var(--accent);
  font-family:var(--font-mono);letter-spacing:-0.02em;line-height:1.2;
}
.metric-label{display:block;font-size:13px;color:var(--text-secondary);margin-top:6px;font-weight:500;}
.metric + .metric{border-left:1px solid var(--border);}

/* Section base */
.section{padding:var(--section-gap) 0;}
.section-header{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;margin-bottom:48px;gap:16px;}
.section-head-left{}
.section-head-right{flex-shrink:0;}

/* Dashboard A */
.dashboard-cards{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;
}
.dash-card{
  position:relative;overflow:hidden;
  padding:32px 32px 24px;
}
.dash-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transition:filter .25s;
}
.dash-card:hover::before{filter:brightness(1.3);}
.dash-icon{
  width:48px;height:48px;margin-bottom:20px;
  color:var(--primary);
}
.dash-card h3{font-size:20px;font-weight:600;color:var(--primary);margin-bottom:10px;}
.dash-card p{font-size:15px;color:var(--text-secondary);line-height:1.7;margin-bottom:20px;}
.more-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--accent-dark);
  transition:gap .2s;
}
.more-link:hover{color:var(--primary);gap:10px;}
.more-link::after{content:'→';}

/* Services B */
.services-grid{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:28px;
  grid-template-areas:
    "big1 big1 small1"
    "big1 big1 small2"
    "small3 small4 big2"
    "small3 small4 big2";
}
.service-card{
  padding:32px;
  display:flex;flex-direction:column;
}
.service-card.big{
  grid-area:big1;
  background:linear-gradient(160deg,var(--card-bg) 0%,#FDFBFA 100%);
}
.service-card.big2{
  grid-area:big2;
  background:linear-gradient(160deg,var(--card-bg) 0%,#FDFBFA 100%);
}
.service-card.small1{grid-area:small1;}
.service-card.small2{grid-area:small2;}
.service-card.small3{grid-area:small3;}
.service-card.small4{grid-area:small4;}
.service-card h3{
  font-size:22px;font-weight:600;color:var(--primary);margin-bottom:12px;
}
.service-card.big h3,.service-card.big2 h3{font-size:26px;}
.service-card p{font-size:15px;color:var(--text-secondary);line-height:1.75;flex:1;}
.service-card .detail-anchor{
  margin-top:20px;font-size:14px;font-weight:500;color:var(--accent-dark);
}
.service-card .detail-anchor:hover{color:var(--primary);}
.service-visual{
  margin-top:24px;border-radius:var(--radius-md);overflow:hidden;
  border:1px solid var(--border);
}
.service-visual img{width:100%;height:160px;object-fit:cover;}
.service-flow{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:24px;padding:16px 20px;background:rgba(15,61,62,0.04);
  border-radius:var(--radius-sm);border:1px solid rgba(15,61,62,0.08);
}
.service-flow .flow-step{font-size:14px;font-weight:600;color:var(--primary);}
.service-flow .flow-arrow{color:var(--accent);font-size:18px;}

/* Comparison C */
.comparison-wrapper{
  background:var(--card-bg);border:1px solid var(--border);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.comparison-grid{
  display:grid;grid-template-columns:1fr auto 1fr;
}
.comp-col{padding:40px 36px;}
.comp-col.left{background:rgba(180,69,46,0.03);}
.comp-col.right{background:rgba(46,125,107,0.04);}
.comp-divider{width:2px;background:var(--border);}
.comp-title{
  font-size:18px;font-weight:600;display:flex;align-items:center;gap:10px;
  margin-bottom:28px;
}
.comp-title .status-dot{width:10px;height:10px;border-radius:50%;display:inline-block;}
.comp-title.left .status-dot{background:var(--error);}
.comp-title.right .status-dot{background:var(--success);}
.comp-title.left{color:var(--error);}
.comp-title.right{color:var(--success);}
.comp-item{
  padding:16px 0;border-bottom:1px dashed var(--border-light);
}
.comp-item:last-child{border-bottom:none;}
.comp-item-label{font-size:14px;font-weight:600;color:var(--text-main);margin-bottom:6px;}
.comp-item-desc{font-size:14px;color:var(--text-secondary);line-height:1.6;}
.comp-item.right .comp-item-desc{color:var(--success);}
.comparison-data-band{
  padding:56px 36px;text-align:center;
  background:linear-gradient(135deg,var(--primary) 0%,#0A2A2B 100%);
  color:#fff;
}
.data-band-num{
  font-size:56px;font-weight:700;color:var(--accent);
  font-family:var(--font-mono);letter-spacing:-0.02em;
  display:block;
}
.data-band-label{
  font-size:15px;color:rgba(255,255,255,0.7);margin-top:10px;
}

/* News D */
.news-layout{display:grid;grid-template-columns:2fr 1fr;gap:28px;align-items:start;}
.news-featured{
  background:var(--card-bg);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:box-shadow .3s;
}
.news-featured:hover{box-shadow:var(--shadow-hover);}
.news-featured-img{width:100%;height:270px;object-fit:cover;background-color:#E8E4DB;}
.news-featured-body{padding:24px 28px;}
.news-cat{
  display:inline-block;font-size:12px;font-weight:500;
  background:rgba(15,61,62,0.08);color:var(--primary);
  padding:4px 12px;border-radius:999px;margin-bottom:12px;
}
.news-featured-body h3{font-size:22px;font-weight:600;color:var(--primary);margin-bottom:10px;}
.news-featured-body p{
  font-size:15px;color:var(--text-secondary);line-height:1.7;
  margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-muted);}
.news-meta .sep{opacity:0.5;}
.news-list{display:flex;flex-direction:column;gap:12px;}
.news-item{
  display:flex;align-items:center;gap:14px;
  background:var(--card-bg);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:14px 18px;
  transition:box-shadow .25s,transform .25s;
}
.news-item:hover{
  box-shadow:var(--shadow-hover);transform:translateY(-2px);
}
.news-item-thumb{
  width:72px;height:56px;border-radius:var(--radius-xs);
  background-size:cover;background-position:center;flex-shrink:0;
  background-color:#E8E4DB;
}
.news-item-body{flex:1;min-width:0;}
.news-item-body h4{
  font-size:15px;font-weight:600;color:var(--text-main);line-height:1.4;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.news-item-time{font-size:12px;color:var(--text-muted);margin-top:4px;display:block;}
.news-arrow{color:var(--accent-dark);font-size:18px;flex-shrink:0;transition:transform .2s;}
.news-item:hover .news-arrow{transform:translateX(4px);}
.news-empty{
  grid-column:1/-1;min-height:260px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:var(--card-bg);border:1px dashed var(--border);
  border-radius:var(--radius-lg);color:var(--text-muted);
}
.news-empty svg{width:52px;height:52px;margin-bottom:16px;opacity:0.5;}
.news-empty p{font-size:15px;}

/* FAQ E */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  margin-bottom:14px;border:1px solid var(--border);
  border-radius:var(--radius-md);background:var(--card-bg);
  box-shadow:var(--shadow-sm);
}
.faq-item[open]{border-color:#c8c2b4;}
.faq-question{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:20px 24px;text-align:left;
}
.faq-q-icon{
  width:28px;height:28px;border-radius:50%;
  background:rgba(15,61,62,0.06);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;flex-shrink:0;
}
.faq-q-text{
  flex:1;font-size:16px;font-weight:600;color:var(--text-main);
  transition:color .2s;
}
.faq-item[open] .faq-q-text{color:var(--primary);}
.faq-arrow{
  color:var(--text-muted);font-size:18px;transition:transform .3s;flex-shrink:0;
}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--accent-dark);}
.faq-answer{padding:0 24px 20px 68px;color:var(--text-secondary);font-size:15px;line-height:1.75;}

/* Contact F */
.contact-section{background:var(--primary);color:#fff;}
.contact-section .section-title{color:#fff;}
.contact-section .section-sub{color:rgba(255,255,255,0.65);}
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:center;}
.contact-form-card{
  background:var(--card-bg);padding:40px;
  border-radius:var(--radius-lg);box-shadow:0 20px 60px rgba(0,0,0,0.22);
}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:14px;font-weight:500;color:var(--text-secondary);margin-bottom:6px;}
.form-control{
  width:100%;height:48px;border:1px solid #D4D9D4;border-radius:var(--radius-sm);
  padding:0 16px;font-size:15px;background:#FAF9F6;
  transition:border-color .2s,box-shadow .2s;
}
.form-control:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(212,168,87,0.25);
}
select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%235A6667' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px;}
.form-btn{margin-top:8px;}
.form-tip{font-size:12px;color:var(--text-muted);margin-top:12px;text-align:center;}
.form-success{
  margin-top:16px;padding:14px 20px;background:rgba(46,125,107,0.08);
  border:1px solid rgba(46,125,107,0.2);border-radius:var(--radius-sm);
  color:var(--success);font-size:14px;font-weight:500;
  display:none;align-items:center;gap:8px;
}
.trust-col{}
.trust-item{
  display:flex;align-items:center;gap:20px;padding:24px 0;
  border-bottom:1px solid rgba(255,255,255,0.1);
}
.trust-item:last-child{border-bottom:none;}
.trust-icon{
  width:52px;height:52px;border-radius:var(--radius-md);
  background:rgba(212,168,87,0.14);color:var(--accent);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.trust-title{font-size:17px;font-weight:600;color:#fff;margin-bottom:4px;}
.trust-desc{font-size:14px;color:rgba(255,255,255,0.6);line-height:1.6;}

/* Footer */
.site-footer{background:var(--primary-dark);color:#B8C4C4;}
.footer-top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;
  padding:64px 0 48px;
}
.footer-brand .brand-name{color:#fff;}
.footer-brand-desc{font-size:14px;line-height:1.7;color:#889A9A;margin-top:16px;max-width:280px;}
.footer-col h3{
  font-size:16px;font-weight:600;color:#fff;margin-bottom:20px;
}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:#B8C4C4;transition:color .2s;}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.7;}
.footer-contact svg{width:16px;height:16px;flex-shrink:0;margin-top:3px;opacity:0.7;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:24px 0;text-align:center;font-size:13px;color:#7E8F8F;
}

/* Responsive */
@media (max-width:1199px){
  :root{--section-gap:64px;}
  .hero-grid{min-height:480px;}
  .hero-visual{min-height:400px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:40px;}
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:40px;min-height:auto;padding-bottom:80px;}
  .hero-visual{min-height:400px;max-width:520px;margin:0 auto;width:100%;}
  .hero-actions{margin-bottom:24px;}
  .metrics-strip{grid-template-columns:repeat(2,1fr);margin-top:-40px;padding:28px;}
  .metric + .metric{border-left:none;}
  .metric:nth-child(odd){border-right:1px solid var(--border);}
  .nav-toggle{display:flex;}
  .brand-phone{display:none;}
  .header-nav-row{
    position:fixed;top:0;right:-100%;width:100%;height:100vh;
    background:var(--primary);z-index:200;transition:right .35s ease;
    padding:80px 32px 32px;overflow-y:auto;
  }
  .header-nav-row.open{right:0;}
  .nav-row-inner{flex-direction:column;align-items:flex-start;gap:0;min-height:auto;}
  .nav-link{font-size:20px;line-height:52px;color:rgba(255,255,255,0.85);border-bottom:none;width:100%;}
  .nav-link:hover{color:#fff;padding-left:8px;}
  .nav-link.active{color:var(--accent);border-bottom:none;padding-left:8px;}
  .nav-overlay{
    display:block;position:fixed;inset:0;background:rgba(0,0,0,0.4);
    opacity:0;visibility:hidden;transition:opacity .3s;z-index:190;
  }
  .nav-overlay.open{opacity:1;visibility:visible;}
  .dashboard-cards{grid-template-columns:1fr;}
  .services-grid{
    grid-template-columns:1fr 1fr;
    grid-template-areas:
      "big1 big1"
      "small1 small2"
      "big2 big2"
      "small3 small4";
  }
  .news-layout{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;gap:40px;}
  .comparison-grid{grid-template-columns:1fr;}
  .comp-divider{display:none;}
  .comp-item{padding:12px 0;}
}
@media (max-width:767px){
  :root{--section-gap:48px;--gutter:16px;}
  .hero{padding:48px 0 0;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:17px;}
  .hero-actions .btn{width:100%;}
  .metrics-strip{grid-template-columns:1fr 1fr;padding:24px 16px;gap:16px;}
  .metric-num{font-size:28px;}
  .section-title{font-size:26px;}
  .dash-card{padding:24px 20px;}
  .services-grid{grid-template-columns:1fr;grid-template-areas:
    "big1" "small1" "small2" "big2" "small3" "small4";}
  .service-card{padding:24px 20px;}
  .comp-col{padding:24px 20px;}
  .footer-top{grid-template-columns:1fr;gap:36px;}
  .contact-form-card{padding:28px 20px;}
  .trust-item{padding:18px 0;}
  .data-band-num{font-size:40px;}
  .news-featured-body{padding:20px;}
  .faq-answer{padding:0 16px 16px 16px;}
  .form-btn{width:100%;}
  .form-btn .btn{width:100%;}
  .brand-name{font-size:22px;}
}

/* Misc */
.section-distinct{
  background:linear-gradient(180deg,var(--bg) 0%,#F4F1EC 100%);
  border-top:1px solid var(--border-light);
  border-bottom:1px solid var(--border-light);
}
.back-to-top{
  position:fixed;bottom:32px;right:32px;width:46px;height:46px;
  background:var(--primary);color:#fff;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-hover);opacity:0;visibility:hidden;
  transition:opacity .3s,visibility .3s,background-color .2s;z-index:150;
}
.back-to-top.show{opacity:1;visibility:visible;}
.back-to-top:hover{background:var(--primary-dark);}
.back-to-top:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* roulang page: category1 */
:root {
  --primary: #0F3D3E;
  --primary-light: #1A4F50;
  --primary-dark: #0A2E2F;
  --accent: #D4A857;
  --accent-light: #E3B96C;
  --accent-dark: #B8913E;
  --bg: #F7F5F0;
  --card-bg: #FFFFFF;
  --border: #E5E1D8;
  --text: #1E2B2C;
  --text-secondary: #5A6667;
  --text-muted: #B0B8B8;
  --success: #2E7D6B;
  --warning: #C7741D;
  --error: #B4452E;
  --radius-card: 8px;
  --radius-btn: 6px;
  --radius-tag: 4px;
  --shadow-card: 0 1px 2px rgba(15,61,62,0.06);
  --shadow-hover: 0 8px 24px rgba(15,61,62,0.10);
  --container-max: 1280px;
  --space-section: 80px;
  --space-section-mobile: 48px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  --font-num: "DIN Alternate", "Roboto Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

ul {
  list-style: none;
}

button {
  font-family: var(--font-main);
  border: none;
  cursor: pointer;
}

input, select, textarea {
  font-family: var(--font-main);
}

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

@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease, color 0.2s ease;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--accent-light);
  transform: translateY(1px);
  color: var(--primary);
}

.btn-primary:active {
  background-color: var(--accent-dark);
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}

.btn-secondary:hover {
  background: rgba(15,61,62,0.10);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  padding: 8px 4px;
  border-radius: 0;
}

.btn-ghost:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn:disabled {
  background-color: #E0E0E0;
  color: #9E9E9E;
  cursor: not-allowed;
}

/* ========== 标签 ========== */
.tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-tag);
  background: rgba(15,61,62,0.08);
  color: var(--primary);
  letter-spacing: 0.02em;
}

.tag-accent {
  background: rgba(212,168,87,0.16);
  color: #8A6420;
}

.tag-success {
  background: rgba(46,125,107,0.12);
  color: var(--success);
}

/* ========== 导航 ========== */
.site-header {
  background: var(--bg);
}

.header-brand-row {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.brand-row-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.01em;
}

.brand-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand-phone {
  font-size: 14px;
  color: var(--text-secondary);
  font-family: var(--font-num);
  letter-spacing: 0.02em;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  width: 40px;
  height: 40px;
  border-radius: 6px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--primary);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

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

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

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

.header-nav-row {
  background: var(--primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(10,46,47,0.18);
  backdrop-filter: blur(6px);
  background: rgba(15,61,62,0.95);
}

.nav-row-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 50px;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-row-inner::-webkit-scrollbar {
  display: none;
}

.nav-link {
  display: inline-block;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.78);
  line-height: 50px;
  position: relative;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: #fff;
}

.nav-link.active {
  color: #fff;
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
}

.nav-overlay {
  display: none;
}

@media (max-width: 991px) {
  .brand-phone {
    display: none;
  }

  .header-brand-row {
    position: sticky;
    top: 0;
    z-index: 120;
    background: rgba(247,245,240,0.96);
    backdrop-filter: blur(8px);
  }

  .nav-toggle {
    display: flex;
  }

  .header-nav-row {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 300px;
    max-width: 85vw;
    background: var(--primary);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 110;
    box-shadow: -8px 0 24px rgba(0,0,0,0.2);
    backdrop-filter: none;
    overflow-y: auto;
  }

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

  .nav-row-inner {
    flex-direction: column;
    align-items: stretch;
    height: auto;
    padding: 20px 0 40px;
    overflow: visible;
  }

  .nav-link {
    display: block;
    line-height: 48px;
    padding: 0 28px;
    font-size: 20px;
    color: rgba(255,255,255,0.85);
  }

  .nav-link.active {
    background: rgba(255,255,255,0.06);
  }

  .nav-link.active::after {
    left: 0;
    top: auto;
    bottom: auto;
    width: 3px;
    height: 24px;
    border-radius: 0 2px 2px 0;
  }

  .nav-overlay.show {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(10,46,47,0.55);
    z-index: 105;
    cursor: pointer;
  }
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--primary);
  color: #B8C4C4;
  padding-top: 56px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: #B8C4C4;
  max-width: 280px;
}

.footer-col h3 {
  font-size: 14px;
  font-weight: 600;
  color: #E8E2D6;
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col ul li {
  font-size: 14px;
}

.footer-col ul li a {
  color: #B8C4C4;
  transition: color 0.2s ease;
}

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

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.7;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 18px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  text-align: center;
}

@media (max-width: 991px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 767px) {
  .site-footer {
    padding-top: 40px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ========== 分类页通用横幅 ========== */
.category-banner {
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 72px 0 84px;
}

.category-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 25% 45%, rgba(10,46,47,0.5), rgba(10,46,47,0.78) 70%);
}

.category-banner .container {
  position: relative;
  z-index: 2;
}

.category-banner h1 {
  font-size: 42px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.category-banner .banner-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.88);
  max-width: 620px;
  line-height: 1.7;
}

.category-banner .banner-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.category-banner .tag {
  background: rgba(255,255,255,0.14);
  color: #ffffff;
  backdrop-filter: blur(4px);
}

@media (max-width: 768px) {
  .category-banner {
    padding: 48px 0 56px;
  }
  .category-banner h1 {
    font-size: 30px;
  }
  .category-banner .banner-desc {
    font-size: 15px;
  }
}

/* ========== 时间线演板块 ========== */
.timeline-section {
  padding: var(--space-section) 0;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-head .head-tag {
  display: inline-block;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.section-head p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, rgba(212,168,87,0.4), var(--primary) 40%, var(--accent) 100%);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 40px;
  margin-bottom: 40px;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  text-align: left;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 28px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(212,168,87,0.2);
  z-index: 2;
}

.timeline-item:nth-child(odd)::before {
  right: -7px;
}

.timeline-item:nth-child(even)::before {
  left: -7px;
}

.timeline-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  text-align: left;
}

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

.timeline-card .card-media {
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 16px;
}

.timeline-card .card-media img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.timeline-card .card-step {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-dark);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 6px;
}

.timeline-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.timeline-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.timeline-card .timeline-more {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  border-bottom: 1px solid rgba(15,61,62,0.3);
  padding-bottom: 1px;
  transition: border-color 0.2s ease;
}

.timeline-card .timeline-more:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

@media (max-width: 991px) {
  .timeline::before {
    left: 18px;
  }
  .timeline-item {
    width: 100%;
    left: 0 !important;
    padding: 0 0 0 52px;
    text-align: left !important;
    margin-bottom: 28px;
  }
  .timeline-item::before {
    left: 11px !important;
    right: auto !important;
  }
}

@media (max-width: 768px) {
  .section-head h2 {
    font-size: 26px;
  }
  .timeline-item {
    padding-left: 42px;
  }
  .timeline-card {
    padding: 18px;
  }
  .timeline-card .card-media img {
    height: 130px;
  }
}

/* ========== 数据指标带 ========== */
.stats-band {
  background: var(--primary);
  padding: 40px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item .stat-number {
  font-family: var(--font-num);
  font-size: 38px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.stat-item .stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.72);
  margin-top: 6px;
}

@media (max-width: 991px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 767px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stat-item .stat-number {
    font-size: 30px;
  }
}

/* ========== 能力矩阵（非对称） ========== */
.matrix-section {
  padding: var(--space-section) 0;
  background: var(--bg);
}

.matrix-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: stretch;
}

.matrix-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

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

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

.matrix-card:hover::before {
  opacity: 0.8;
}

.matrix-card-large {
  min-height: 280px;
}

.matrix-card-small {
  padding: 24px;
  min-height: 128px;
}

.matrix-card .card-icon {
  width: 42px;
  height: 42px;
  border-radius: 6px;
  background: rgba(15,61,62,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.matrix-card .card-icon svg {
  width: 22px;
  height: 22px;
}

.matrix-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.matrix-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.matrix-card .matrix-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-dark);
  border-bottom: 1px solid rgba(184,145,62,0.4);
  padding-bottom: 1px;
}

.matrix-card .matrix-link:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.matrix-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.matrix-row-reverse {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
}

@media (max-width: 991px) {
  .matrix-grid, .matrix-row-reverse {
    grid-template-columns: 1fr;
  }
  .matrix-card-large {
    min-height: 0;
  }
}

/* ========== 集成支持 ========== */
.integration-section {
  padding: var(--space-section) 0;
  background: #fff;
}

.integration-wrap {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.integration-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 14px;
}

.integration-content > p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.75;
}

.feature-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid #F0EDE6;
  font-size: 15px;
  color: var(--text);
}

.feature-check:last-child {
  border-bottom: none;
}

.feature-check svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 4px;
}

.feature-check .check-text {
  line-height: 1.6;
}

.feature-check .check-sub {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.integration-visual {
  background: url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat;
  border-radius: var(--radius-card);
  min-height: 380px;
  position: relative;
  box-shadow: var(--shadow-hover);
}

.integration-visual .visual-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: rgba(15,61,62,0.88);
  backdrop-filter: blur(6px);
  border-radius: var(--radius-card);
  padding: 16px 20px;
  color: #fff;
}

.integration-visual .visual-badge h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.integration-visual .visual-badge p {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
}

@media (max-width: 991px) {
  .integration-wrap {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .integration-visual {
    min-height: 280px;
  }
}

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

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 14px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-hover);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  background: none;
  width: 100%;
  text-align: left;
  transition: color 0.2s ease;
}

.faq-question .faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(15,61,62,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
}

.faq-question .faq-arrow {
  margin-left: auto;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--text-secondary);
}

.faq-question .faq-arrow svg {
  width: 18px;
  height: 18px;
  display: block;
}

.faq-item.open .faq-question {
  color: var(--primary);
  font-weight: 600;
}

.faq-item.open .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  border-top: 1px solid #F0EDE6;
  margin: 0 24px;
  padding: 12px 0 20px;
}

.faq-item.open .faq-answer {
  display: block;
}

/* ========== CTA 板块 ========== */
.cta-section {
  padding: var(--space-section) 0;
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,168,87,0.15), transparent 70%);
}

.cta-wrap {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-left h2 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 10px;
}

.cta-left p {
  font-size: 15px;
  color: rgba(255,255,255,0.75);
  max-width: 520px;
}

.cta-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.cta-right .btn-primary {
  background: var(--accent);
  color: var(--primary);
  min-width: 140px;
}

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

.cta-right .btn-secondary:hover {
  background: rgba(255,255,255,0.1);
}

@media (max-width: 991px) {
  .cta-wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
}

@media (max-width: 767px) {
  .cta-section {
    padding: var(--space-section-mobile) 0;
  }
  .cta-left h2 {
    font-size: 24px;
  }
  .cta-right {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
  }
  .cta-right .btn {
    width: 100%;
  }
}

/* ========== 动画辅助 ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease both;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* roulang page: article */
:root {
  --primary: #0F3D3E;
  --primary-light: #145254;
  --accent: #D4A857;
  --accent-light: #E3B96C;
  --accent-dark: #B8913E;
  --bg: #F7F5F0;
  --card-bg: #FFFFFF;
  --line: #E5E1D8;
  --text: #1E2B2C;
  --text-secondary: #5A6667;
  --text-muted: #B0B8B8;
  --success: #2E7D6B;
  --warning: #C7741D;
  --danger: #B4452E;
  --radius-card: 8px;
  --radius-btn: 6px;
  --radius-tag: 4px;
  --shadow-card: 0 1px 2px rgba(15,61,62,.06);
  --shadow-hover: 0 8px 24px rgba(15,61,62,.10);
  --container: 1280px;
  --gap: 24px;
}

*, *::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", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 24px;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
  line-height: 1.4;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

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

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(1px);
}

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

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

.btn-secondary:hover {
  background: rgba(15, 61, 62, .06);
}

.btn-ghost {
  background: transparent;
  border: 1.5px solid rgba(212, 168, 87, .7);
  color: var(--accent-light);
}

.btn-ghost:hover {
  background: rgba(212, 168, 87, .1);
  border-color: var(--accent);
}

.btn:focus-visible,
.nav-link:focus-visible,
.tag:focus-visible,
.page-link:focus-visible,
.related-card:focus-visible,
.brand-logo:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===== Header ===== */
.site-header {
  position: relative;
  z-index: 100;
}

.header-brand-row {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  transition: transform .3s ease;
}

.site-header.scrolled .header-brand-row {
  transform: translateY(-100%);
}

.brand-row-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}

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

.logo-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .02em;
  white-space: nowrap;
}

.brand-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-phone {
  color: var(--text-secondary);
  font-size: 14px;
  text-decoration: none;
  letter-spacing: .02em;
  transition: color .2s;
}

.brand-phone:hover {
  color: var(--accent-dark);
}

.header-login {
  padding: 9px 18px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  background: var(--primary);
  border: 0;
  cursor: pointer;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-btn);
  padding: 8px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  width: 22px;
  transition: transform .3s ease, opacity .3s ease;
}

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

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

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

.header-nav-row {
  background: var(--primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(15, 61, 62, .12);
}

.nav-row-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 48px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  height: 48px;
  color: #DFE7E5;
  text-decoration: none;
  font-size: 14px;
  position: relative;
  transition: color .2s;
}

.nav-link:hover {
  color: #fff;
}

.nav-link.active {
  color: #fff;
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 3px 3px 0 0;
}

.nav-overlay {
  display: none;
}

/* ===== Article Hero ===== */
.article-hero {
  position: relative;
  padding: 56px 0 36px;
  background: var(--primary) url('/assets/images/backpic/back-2.png') center 25% / cover no-repeat;
  overflow: hidden;
}

.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 28% 18%, rgba(15,61,62,.88) 0%, rgba(15,61,62,.97) 78%);
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: rgba(216, 228, 226, .86);
  font-size: 13px;
  line-height: 1.4;
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
  transition: color .2s;
}

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

.crumb-sep {
  color: rgba(216, 228, 226, .5);
}

.crumb-current {
  max-width: 360px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: rgba(255, 255, 255, .92);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  background: rgba(212, 168, 87, .12);
  border: 1px solid rgba(212, 168, 87, .4);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  margin-top: 16px;
  letter-spacing: .04em;
}

/* ===== Article Layout ===== */
.article-layout {
  max-width: 780px;
  margin: 0 auto;
  padding: 44px 24px 64px;
}

.article-title {
  font-size: 34px;
  line-height: 1.3;
  color: var(--primary);
  margin: 20px 0 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  padding-bottom: 20px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
  color: var(--text-secondary);
  font-size: 13px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-item svg {
  width: 16px;
  height: 16px;
  opacity: .72;
  flex-shrink: 0;
}

.article-summary {
  background: #EAF1EF;
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 18px 20px;
  margin: 0 0 28px;
  color: #3D5350;
  line-height: 1.75;
  font-size: 15px;
}

.summary-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--accent);
  padding: 2px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.article-summary p {
  margin: 0;
}

.article-content {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.article-content p {
  margin: 0 0 20px;
}

.article-content h2,
.article-content h3 {
  margin: 36px 0 16px;
  color: var(--primary);
  line-height: 1.35;
  font-weight: 700;
}

.article-content h2 {
  font-size: 24px;
}

.article-content h3 {
  font-size: 19px;
}

.article-content img {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  margin: 24px auto;
}

.article-content blockquote {
  margin: 24px 0;
  padding: 18px 20px;
  background: #EAF1EF;
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  color: var(--primary);
}

.article-content blockquote p {
  margin: 0;
}

.article-content pre {
  background: var(--primary);
  color: #DCE7E3;
  padding: 20px 24px;
  border-radius: 8px;
  overflow: auto;
  font-family: "DIN Alternate", "Roboto Mono", monospace;
  font-size: 14px;
  line-height: 1.7;
  margin: 24px 0;
  border-left: 4px solid var(--accent);
}

.article-content code {
  font-family: "DIN Alternate", "Roboto Mono", monospace;
}

.article-content ul,
.article-content ol {
  margin: 0 0 20px;
  padding-left: 24px;
}

.article-content li {
  margin: 8px 0;
}

.article-content a {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: 14px;
}

.article-content th,
.article-content td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}

.article-content th {
  background: #EAF1EF;
  color: var(--primary);
}

/* ===== Tags ===== */
.article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  margin-top: 36px;
  border-top: 1px solid var(--line);
}

.tags-label {
  font-size: 13px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-block;
  background: #F0EDE4;
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 999px;
  text-decoration: none;
  transition: background .2s, color .2s;
}

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

/* ===== Pagination ===== */
.article-pagination {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.page-link {
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  background: var(--card-bg);
  text-decoration: none;
  transition: box-shadow .2s, border-color .2s, transform .2s;
}

.page-link:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.page-label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.page-title {
  display: block;
  font-size: 15px;
  color: var(--primary);
  font-weight: 600;
  line-height: 1.45;
}

.page-link.next {
  text-align: right;
}

.page-link.next .page-title {
  color: var(--accent-dark);
}

/* ===== Not Found ===== */
.article-not-found {
  text-align: center;
  padding: 56px 20px;
  background: var(--card-bg);
  border: 1px dashed var(--border);
  border-radius: 8px;
  margin-top: 8px;
}

.nf-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
}

.nf-icon svg {
  width: 100%;
  height: 100%;
}

.article-not-found h2 {
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 10px;
}

.article-not-found p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ===== Related ===== */
.related-section {
  background: #FDFCF9;
  padding: 64px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.related-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  gap: 16px;
}

.related-head h2 {
  font-size: 26px;
  color: var(--primary);
  letter-spacing: -0.01em;
}

.related-link {
  color: var(--text-secondary);
  font-size: 13px;
  text-decoration: none;
  transition: color .2s;
}

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

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

.related-card {
  background: var(--card-bg);
  border-radius: 8px;
  border: 1px solid var(--line);
  overflow: hidden;
  text-decoration: none;
  display: block;
  transition: box-shadow .25s, transform .25s, border-color .25s;
}

.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(212, 168, 87, .5);
}

.card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

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

.card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(15, 61, 62, .82);
  color: var(--accent-light);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
  z-index: 1;
}

.card-body {
  padding: 16px 16px 18px;
}

.card-body h3 {
  font-size: 15px;
  line-height: 1.5;
  color: var(--primary);
  margin-bottom: 8px;
  font-weight: 600;
}

.card-body p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

.related-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  background: var(--card-bg);
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 14px;
}

/* ===== Trust Strip ===== */
.trust-strip {
  background: #EDEDE6;
  padding: 28px 0;
}

.trust-inner {
  display: flex;
  justify-content: center;
  gap: clamp(20px, 5vw, 72px);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.trust-item svg {
  width: 24px;
  height: 24px;
  color: var(--accent-dark);
  flex-shrink: 0;
}

/* ===== CTA Panel ===== */
.cta-panel {
  background: linear-gradient(135deg, #0F3D3E 0%, #143E3D 55%, #0B2E30 100%);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}

.cta-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  opacity: .08;
}

.cta-inner {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-panel h2 {
  color: #fff;
  font-size: 26px;
  letter-spacing: -0.01em;
}

.cta-panel p {
  color: #B8C4C4;
  max-width: 620px;
  margin: 12px auto 28px;
  line-height: 1.7;
}

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

/* ===== Footer ===== */
.site-footer {
  background: var(--primary);
  color: #B8C4C4;
  padding: 56px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-brand .brand-name {
  color: #fff;
}

.footer-brand-desc {
  color: #9AA8A8;
  font-size: 14px;
  line-height: 1.7;
  margin-top: 14px;
  max-width: 260px;
}

.footer-col h3 {
  color: #DCE7E3;
  font-size: 15px;
  margin: 0 0 16px;
  font-weight: 600;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: #B8C4C4;
  text-decoration: none;
  font-size: 14px;
  transition: color .2s;
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  line-height: 1.5;
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  padding: 20px 0 24px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  display: flex;
  justify-content: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: #8A9A99;
  text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .footer-top {
    grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
    gap: 28px;
  }

  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

  .header-nav-row {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(78%, 360px);
    height: 100vh;
    background: var(--primary);
    z-index: 120;
    transition: right .3s ease;
    box-shadow: -8px 0 24px rgba(0, 0, 0, .2);
    overflow-y: auto;
  }

  body.nav-open .header-nav-row {
    right: 0;
  }

  .nav-row-inner {
    flex-direction: column;
    align-items: stretch;
    padding: 76px 20px 24px;
    min-height: 100%;
  }

  .nav-link {
    display: flex;
    align-items: center;
    padding: 0 12px;
    height: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    color: #CDDBD8;
    font-size: 17px;
  }

  .nav-link.active {
    background: rgba(212, 168, 87, .1);
  }

  .nav-link.active::after {
    left: 0;
    right: auto;
    top: 8px;
    bottom: 8px;
    width: 3px;
    height: auto;
    border-radius: 0 3px 3px 0;
  }

  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(10, 30, 30, .55);
    z-index: 110;
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease, visibility .3s ease;
  }

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

  .trust-inner {
    gap: 20px;
  }

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

@media (max-width: 767px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .article-hero {
    padding: 40px 0 28px;
  }

  .article-layout {
    padding: 32px 16px 48px;
  }

  .article-title {
    font-size: 28px;
  }

  .brand-phone {
    display: none;
  }

  .related-grid {
    gap: 16px;
  }

  .page-link {
    padding: 14px;
  }

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

  .trust-inner {
    justify-content: flex-start;
    gap: 16px;
  }

  .trust-item {
    width: calc(50% - 8px);
  }

  .cta-panel {
    padding: 40px 0;
  }

  .cta-btn-group {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }

  .cta-btn-group .btn {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .related-grid {
    grid-template-columns: 1fr;
  }

  .article-meta {
    gap: 8px 14px;
  }

  .article-pagination {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .breadcrumb {
    flex-wrap: wrap;
    row-gap: 6px;
  }

  .crumb-current {
    max-width: 200px;
  }

  .brand-name {
    font-size: 18px;
  }

  .cta-panel h2 {
    font-size: 22px;
  }
}

/* roulang page: category2 */
:root {
  --primary: #0F3D3E;
  --primary-dark: #082B2C;
  --primary-soft: #E6EEEC;
  --accent: #D4A857;
  --accent-hover: #E3B96C;
  --accent-active: #B8913E;
  --bg: #F7F5F0;
  --card-bg: #FFFFFF;
  --border: #E5E1D8;
  --text: #1E2B2C;
  --text-secondary: #5A6667;
  --text-muted: #B0B8B8;
  --success: #2E7D6B;
  --warning: #C7741D;
  --error: #B4452E;
  --radius-card: 8px;
  --radius-btn: 6px;
  --shadow-sm: 0 1px 2px rgba(15,61,62,0.06);
  --shadow-hover: 0 8px 24px rgba(15,61,62,0.10);
  --container: 1280px;
  --space-section: 80px;
  --space-section-sm: 48px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  --font-mono: "DIN Alternate", "Roboto Mono", monospace;
}
*, *::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: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
}
ul, ol {
  list-style: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.15s ease, color 0.25s ease;
  line-height: 1.2;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(1px);
}
.btn-primary:active {
  background: var(--accent-active);
  border-color: var(--accent-active);
}
.btn-secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-secondary:hover {
  background: rgba(15,61,62,0.10);
  border-color: var(--primary);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}
.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

/* Header */
.site-header {
  position: relative;
  z-index: 200;
}
.header-brand-row {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: transform 0.3s ease, margin-top 0.3s ease;
  margin-top: 0;
}
.site-header.header-scrolled .header-brand-row {
  transform: translateY(-100%);
}
.brand-row-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.logo-mark {
  width: 38px;
  height: 38px;
  flex: none;
}
.brand-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.brand-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand-phone {
  color: var(--text-secondary);
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 15px;
}
.header-nav-row {
  background: var(--primary);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(15,61,62,0.96);
}
.nav-row-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 56px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-row-inner::-webkit-scrollbar {
  display: none;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 56px;
  padding: 0 16px;
  color: rgba(255,255,255,0.75);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
  flex: none;
}
.nav-link:hover {
  color: #ffffff;
}
.nav-link.active {
  color: #ffffff;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 3px 3px 0 0;
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: var(--primary);
  border-radius: var(--radius-btn);
  cursor: pointer;
  padding: 0 10px;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.nav-overlay {
  display: none;
}

/* Section header patterns */
.section-header {
  max-width: 760px;
  margin-bottom: 48px;
}
.section-header.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
}
.section-desc {
  color: var(--text-secondary);
  font-size: 16px;
  margin-top: 12px;
}

/* Security Banner */
.security-banner {
  position: relative;
  background:
    linear-gradient(125deg, rgba(8,43,44,0.94) 20%, rgba(15,61,62,0.82) 70%),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: #ffffff;
  padding: 90px 0 64px;
  overflow: hidden;
}
.security-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 85% 15%, rgba(212,168,87,0.16), transparent 46%);
  pointer-events: none;
}
.banner-inner {
  position: relative;
  z-index: 1;
}
.banner-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid rgba(212,168,87,0.5);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 20px;
}
.banner-copy h1 {
  font-size: 44px;
  line-height: 1.2;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
}
.banner-copy p {
  font-size: 17px;
  color: rgba(255,255,255,0.85);
  max-width: 620px;
  margin-top: 14px;
  line-height: 1.8;
}
.banner-actions {
  display: flex;
  gap: 16px;
  margin-top: 30px;
  flex-wrap: wrap;
}
.banner-actions .btn-secondary {
  border-color: rgba(255,255,255,0.65);
  color: #ffffff;
}
.banner-actions .btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  border-color: #ffffff;
}
.banner-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.16);
}
.metric-item {
  position: relative;
  padding-left: 0;
}
.metric-item + .metric-item {
  padding-left: 20px;
  border-left: 1px solid rgba(255,255,255,0.14);
}
.metric-value {
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.metric-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  margin-top: 8px;
}

/* Checklist Section */
.checklist-section {
  padding: var(--space-section) 0;
}
.checklist-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 0;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.checklist-shield {
  background-color: var(--primary);
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 22px 22px;
  color: #ffffff;
  padding: 44px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 360px;
}
.shield-icon {
  width: 88px;
  height: 88px;
  margin-bottom: 24px;
  color: var(--accent);
}
.checklist-shield h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}
.checklist-shield p {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  max-width: 220px;
  line-height: 1.7;
}
.checklist-right {
  padding: 36px 32px;
}
.checklist-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-btn);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  font-weight: 500;
}
.check-item svg {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  color: var(--success);
}

/* Security Capability Cards */
.sec-cards-section {
  padding: var(--space-section) 0;
  background: var(--card-bg);
}
.sec-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.sec-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
  display: flex;
  flex-direction: column;
}
.sec-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.sec-card .card-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.sec-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.sec-card:hover .card-img img {
  transform: scale(1.04);
}
.sec-card .card-body {
  padding: 24px 26px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
  border-top: 3px solid transparent;
  transition: border-color 0.25s ease;
}
.sec-card:hover .card-body {
  border-top-color: var(--accent);
}
.card-tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 12px;
  width: fit-content;
}
.sec-card .card-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.4;
}
.sec-card .card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}
.card-link {
  margin-top: auto;
  padding-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: color 0.2s ease, gap 0.2s ease;
}
.card-link:hover {
  color: var(--accent-active);
  gap: 10px;
}

/* Defense Chain */
.defense-section {
  padding: var(--space-section) 0;
}
.defense-chain {
  display: grid;
  grid-template-columns: 1.1fr 1fr 0.9fr;
  gap: 24px;
  align-items: stretch;
}
.defense-step {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-top: 4px solid var(--primary);
  border-radius: var(--radius-card);
  padding: 32px 26px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.defense-step:nth-child(2) {
  border-top-color: var(--accent);
  transform: translateY(14px);
}
.defense-step:hover {
  box-shadow: var(--shadow-hover);
}
.step-phase {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 16px;
}
.defense-step h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.defense-step p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* Compliance */
.compliance-section {
  padding: var(--space-section) 0;
  background: var(--card-bg);
}
.compliance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.compliance-item {
  display: flex;
  gap: 18px;
  padding: 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.compliance-item:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}
.compliance-icon {
  flex: none;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-btn);
  background: var(--primary);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.compliance-icon svg {
  width: 26px;
  height: 26px;
}
.compliance-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}
.compliance-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* FAQ */
.faq-section {
  padding: var(--space-section) 0;
}
.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow 0.25s ease;
}
.faq-item.active {
  box-shadow: var(--shadow-hover);
  border-color: rgba(212,168,87,0.5);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  cursor: pointer;
  color: var(--text);
  font-size: 16px;
  font-weight: 500;
  transition: color 0.2s ease;
}
.faq-question .q {
  display: flex;
  align-items: center;
  gap: 12px;
}
.faq-question .q-icon {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  transition: background 0.2s ease, color 0.2s ease;
}
.faq-item.active .faq-question {
  color: var(--primary);
  font-weight: 700;
}
.faq-item.active .faq-question .q-icon {
  background: var(--accent);
  color: var(--primary);
}
.faq-arrow {
  flex: none;
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  transition: transform 0.3s ease;
}
.faq-item.active .faq-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}
.faq-answer {
  display: none;
  padding: 0 24px 22px 60px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
}
.faq-item.active .faq-answer {
  display: block;
}

/* CTA Section */
.cta-section {
  padding: var(--space-section) 0;
  background: var(--primary-dark);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}
.cta-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(212,168,87,0.14), transparent 50%);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}
.cta-form-card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 40px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.25);
}
.cta-form-card h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.35;
}
.cta-form-card > p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-top: 8px;
  margin-bottom: 24px;
}
.cta-form-card form .form-group {
  margin-bottom: 16px;
}
.cta-form-card .form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  height: 48px;
  border: 1px solid #D4D9D4;
  border-radius: var(--radius-btn);
  padding: 0 14px;
  font-size: 15px;
  background: var(--card-bg);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  color: var(--text);
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(212,168,87,0.28);
}
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%230F3D3E' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
  cursor: pointer;
}
.form-actions {
  margin-top: 22px;
}
.form-actions .btn {
  width: 120px;
}
.form-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 12px;
}
.form-success {
  display: none;
  background: var(--success);
  color: #ffffff;
  border-radius: var(--radius-btn);
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 500;
  margin-top: 18px;
}
.form-success.visible {
  display: block;
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.cta-trust {
  color: #ffffff;
}
.cta-trust h3 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 28px;
}
.trust-item {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.trust-item:last-child {
  border-bottom: none;
}
.trust-item svg {
  flex: none;
  width: 26px;
  height: 26px;
  color: var(--accent);
}
.trust-item strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 4px;
}
.trust-item p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
}

/* Footer */
.site-footer {
  background: var(--primary-dark);
  color: #B8C4C4;
  padding-top: 64px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .brand-name {
  color: #ffffff;
  font-size: 22px;
}
.footer-brand-desc {
  margin-top: 16px;
  max-width: 280px;
  color: #8BA39C;
  font-size: 14px;
  line-height: 1.8;
}
.footer-col h3 {
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col a {
  color: #B8C4C4;
  font-size: 14px;
  transition: color 0.2s ease;
}
.footer-col a:hover {
  color: var(--accent);
}
.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  margin-bottom: 12px;
}
.footer-contact svg {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 3px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #89A19E;
}

/* Responsive */
@media (max-width: 1200px) {
  .banner-metrics {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 28px;
  }
  .metric-item + .metric-item {
    border-left: none;
    padding-left: 0;
  }
  .checklist-layout {
    grid-template-columns: 1fr;
  }
  .checklist-shield {
    min-height: auto;
    padding: 36px 28px;
  }
  .checklist-shield p {
    max-width: 420px;
  }
  .sec-cards-grid {
    grid-template-columns: 1fr 1fr;
  }
  .defense-chain {
    grid-template-columns: 1fr;
  }
  .defense-step:nth-child(2) {
    transform: none;
  }
  .cta-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}
@media (max-width: 992px) {
  .nav-toggle {
    display: flex;
  }
  .header-nav-row {
    position: fixed;
    top: 0;
    right: -340px;
    width: 340px;
    height: 100vh;
    background: var(--primary);
    z-index: 300;
    transition: right 0.3s ease;
    overflow-y: auto;
    backdrop-filter: none;
  }
  .site-header.nav-open .header-nav-row {
    right: 0;
  }
  .nav-row-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    height: auto;
    padding: 48px 24px 32px;
    overflow: visible;
  }
  .nav-link {
    width: 100%;
    height: auto;
    padding: 14px 4px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 18px;
    color: rgba(255,255,255,0.85);
  }
  .nav-link.active::after {
    left: 4px;
    right: auto;
    bottom: 0;
    width: 32px;
    height: 3px;
  }
  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(8,43,44,0.55);
    z-index: 250;
    cursor: pointer;
  }
  .site-header.nav-open .nav-overlay {
    display: block;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .banner-copy h1 {
    font-size: 36px;
  }
  .section-title {
    font-size: 28px;
  }
}
@media (max-width: 768px) {
  :root {
    --space-section: 48px;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .brand-phone {
    display: none;
  }
  .brand-name {
    font-size: 20px;
  }
  .security-banner {
    padding: 64px 0 48px;
  }
  .banner-copy h1 {
    font-size: 30px;
  }
  .banner-copy p {
    font-size: 15px;
  }
  .banner-metrics {
    grid-template-columns: 1fr 1fr;
  }
  .metric-value {
    font-size: 30px;
  }
  .section-title {
    font-size: 24px;
  }
  .checklist-grid {
    grid-template-columns: 1fr;
  }
  .checklist-right {
    padding: 24px 18px;
  }
  .sec-cards-grid {
    grid-template-columns: 1fr;
  }
  .sec-card .card-img {
    height: 180px;
  }
  .compliance-grid {
    grid-template-columns: 1fr;
  }
  .compliance-item {
    padding: 22px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .cta-form-card {
    padding: 28px 20px;
  }
  .cta-inner {
    gap: 36px;
  }
  .form-actions .btn {
    width: 100%;
  }
  .faq-question {
    padding: 16px 18px;
    font-size: 15px;
  }
  .faq-answer {
    padding: 0 18px 18px 30px;
    font-size: 14px;
  }
  .banner-actions .btn {
    width: 100%;
  }
}
@media (max-width: 520px) {
  .banner-metrics {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .metric-item + .metric-item {
    padding-top: 18px;
    border-top: 1px solid rgba(255,255,255,0.14);
  }
  .sec-cards-grid {
    grid-template-columns: 1fr;
  }
  .sec-card .card-img {
    height: 160px;
  }
  .cta-trust h3 {
    font-size: 22px;
  }
}

/* roulang page: category3 */
:root {
  --primary: #0F3D3E;
  --primary-2: #174F50;
  --primary-3: #1B5E5F;
  --accent: #D4A857;
  --accent-2: #E3B96C;
  --accent-3: #B8913E;
  --bg: #F7F5F0;
  --card: #FFFFFF;
  --border: #E5E1D8;
  --text: #1E2B2C;
  --text-2: #5A6667;
  --text-3: #B0B8B8;
  --success: #2E7D6B;
  --warning: #C7741D;
  --error: #B4452E;
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 12px;
  --shadow: 0 1px 2px rgba(15,61,62,0.06);
  --shadow-hover: 0 8px 24px rgba(15,61,62,0.10);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  --font-num: "DIN Alternate", "Roboto Mono", monospace;
  --container: 1280px;
  --gap: 24px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); background: var(--bg); color: var(--text); line-height: 1.75; font-size: 15px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; outline: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
section { scroll-margin-top: 80px; }
h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; color: var(--primary); }
h2 { font-size: 28px; letter-spacing: -0.01em; }
h3 { font-size: 18px; font-weight: 600; }
@media (max-width: 767px) {
  h2 { font-size: 24px; }
  h3 { font-size: 17px; }
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 24px; border-radius: 6px;
  font-size: 15px; font-weight: 600; letter-spacing: 0.01em;
  transition: background .2s ease, transform .15s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--primary); }
.btn-primary:hover { background: var(--accent-2); transform: translateY(1px); box-shadow: 0 4px 14px rgba(212,168,87,0.35); }
.btn-primary:active { background: var(--accent-3); transform: translateY(1px); }
.btn-outline { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: rgba(15,61,62,0.08); border-color: var(--primary); }
.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; border-radius: 6px; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.text-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 600; font-size: 14px; color: var(--primary);
  border-bottom: 1px solid transparent; transition: border-color .2s ease, color .2s ease;
}
.text-link:hover { color: var(--primary-2); border-bottom-color: var(--accent); }
.section-tag {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  background: rgba(212,168,87,0.15); color: var(--accent-3);
  font-size: 12px; font-weight: 600; letter-spacing: 0.05em; margin-bottom: 12px;
}
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head h2 { margin-bottom: 12px; }
.section-head p { color: var(--text-2); font-size: 15px; line-height: 1.75; }

/* ===== Header ===== */
.site-header { position: relative; z-index: 1000; background: var(--bg); }
.header-brand-row { background: var(--bg); border-bottom: 1px solid var(--border); transition: transform .3s ease, opacity .3s ease; }
.site-header.header-hidden .header-brand-row { transform: translateY(-100%); opacity: 0; pointer-events: none; }
.brand-row-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand-logo { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark { width: 36px; height: 36px; display: block; }
.brand-name { font-size: 20px; font-weight: 700; color: var(--primary); letter-spacing: 0.01em; }
.brand-actions { display: flex; align-items: center; gap: 18px; }
.brand-phone { font-size: 14px; font-weight: 600; color: var(--text-2); transition: color .2s; }
.brand-phone:hover { color: var(--primary); }
.header-login { color: var(--primary) !important; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 6px; border: 1px solid var(--border); background: #fff; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--primary); border-radius: 2px; transition: transform .3s ease, opacity .3s ease; }
.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); }
.header-nav-row { background: var(--primary); box-shadow: 0 2px 8px rgba(15,61,62,0.12); }
.nav-row-inner { display: flex; align-items: center; gap: 4px; height: 52px; overflow-x: auto; scrollbar-width: none; }
.nav-row-inner::-webkit-scrollbar { display: none; }
.nav-link {
  position: relative; display: inline-flex; align-items: center; height: 52px;
  padding: 0 18px; font-size: 15px; font-weight: 500; color: rgba(255,255,255,0.85);
  white-space: nowrap; transition: color .2s ease, background .2s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.06); }
.nav-link.active { color: #fff; font-weight: 600; }
.nav-link.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 0; height: 3px;
  background: var(--accent); border-radius: 3px 3px 0 0;
}
.nav-overlay { position: fixed; inset: 0; background: rgba(15,30,30,0.5); z-index: 1005; opacity: 0; pointer-events: none; transition: opacity .3s ease; }
.nav-overlay.show { opacity: 1; pointer-events: auto; }
@media (max-width: 991px) {
  .brand-actions .brand-phone, .brand-actions .header-login { display: none; }
  .nav-toggle { display: flex; }
  .header-nav-row {
    position: fixed; top: 0; right: 0; width: 280px; height: 100vh; z-index: 1010;
    background: var(--primary); transform: translateX(100%); transition: transform .32s ease;
    box-shadow: -8px 0 24px rgba(0,0,0,0.2); border-radius: 0;
  }
  .header-nav-row.open { transform: translateX(0); }
  .nav-row-inner { flex-direction: column; align-items: stretch; padding: 56px 0 20px; height: auto; overflow-y: auto; }
  .nav-link, .nav-link.active { height: 50px; padding: 0 24px; font-size: 17px; color: rgba(255,255,255,0.9); border-bottom: 1px solid rgba(255,255,255,0.08); border-radius: 0; }
  .nav-link:hover { background: rgba(255,255,255,0.08); }
  .nav-link.active::after { display: none; }
  .nav-link.active { color: var(--accent-2); }
}

/* ===== Main ===== */
.main { position: relative; }

/* ===== Page Banner ===== */
.page-banner {
  position: relative; padding: 88px 0 72px; text-align: center; color: #fff;
  background: linear-gradient(135deg, rgba(15,61,62,0.92), rgba(15,61,62,0.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: rgba(212,168,87,0.35);
}
.banner-eyebrow {
  display: inline-block; padding: 5px 16px; border-radius: 999px;
  background: rgba(212,168,87,0.2); border: 1px solid rgba(212,168,87,0.4);
  color: var(--accent-2); font-size: 13px; font-weight: 600; letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.page-banner h1 { color: #fff; font-size: 42px; letter-spacing: -0.01em; margin-bottom: 16px; }
.banner-desc { max-width: 640px; margin: 0 auto 24px; font-size: 16px; color: rgba(255,255,255,0.85); line-height: 1.75; }
.banner-tags { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.banner-tags span {
  padding: 6px 18px; border-radius: 999px; font-size: 13px; font-weight: 500;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2); color: #fff;
}
@media (max-width: 767px) {
  .page-banner { padding: 64px 0 48px; }
  .page-banner h1 { font-size: 30px; }
  .banner-desc { font-size: 15px; }
}

/* ===== Solutions Alt ===== */
.solutions-alt { padding: 80px 0 32px; }
.solutions-list { display: flex; flex-direction: column; gap: 72px; }
.solution-item {
  display: flex; align-items: center; gap: 48px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow); transition: box-shadow .3s ease, transform .3s ease;
}
.solution-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.solution-item:nth-child(even) { flex-direction: row-reverse; }
.solution-media {
  flex: 0 0 46%; border-radius: 8px; overflow: hidden; aspect-ratio: 4 / 3;
  background: var(--bg);
}
.solution-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.solution-item:hover .solution-media img { transform: scale(1.03); }
.solution-body { flex: 1 1 54%; }
.solution-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.solution-tags span {
  padding: 3px 10px; border-radius: 4px; font-size: 12px; font-weight: 500;
  background: rgba(15,61,62,0.08); color: var(--primary);
}
.solution-body h3 { font-size: 22px; margin-bottom: 12px; }
.solution-body > p { color: var(--text-2); font-size: 15px; line-height: 1.75; margin-bottom: 16px; }
.solution-body ul { margin-bottom: 20px; }
.solution-body ul li {
  position: relative; padding-left: 20px; font-size: 14px; color: var(--text-2); line-height: 1.7; margin-bottom: 6px;
}
.solution-body ul li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px;
  border-radius: 50%; background: var(--accent);
}
@media (max-width: 991px) {
  .solution-item, .solution-item:nth-child(even) { flex-direction: column; gap: 24px; padding: 24px; }
  .solution-media { flex: 0 0 auto; width: 100%; }
}
@media (max-width: 767px) {
  .solutions-alt { padding: 48px 0 16px; }
  .solutions-list { gap: 40px; }
  .solution-item { padding: 20px; }
}

/* ===== Advantage ===== */
.advantage-section { padding: 80px 0; }
.advantage-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap);
}
.advantage-card {
  position: relative; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 28px; box-shadow: var(--shadow);
  overflow: hidden; transition: box-shadow .3s ease, transform .3s ease;
}
.advantage-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: opacity .2s ease;
}
.advantage-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.advantage-card:hover::before { opacity: 0.85; }
.advantage-icon {
  width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center;
  justify-content: center; background: rgba(15,61,62,0.08); margin-bottom: 18px; color: var(--primary);
}
.advantage-icon svg { width: 24px; height: 24px; }
.advantage-card h3 { margin-bottom: 10px; }
.advantage-card p { color: var(--text-2); font-size: 14px; line-height: 1.75; }
@media (max-width: 767px) {
  .advantage-section { padding: 48px 0; }
  .advantage-grid { grid-template-columns: 1fr; }
  .advantage-card { padding: 24px 20px; }
}

/* ===== Metric Band ===== */
.metric-band {
  padding: 56px 0; background: var(--primary); color: #fff;
}
.metric-inner {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center;
}
.metric-item .metric-num {
  font-family: var(--font-num); font-size: 42px; font-weight: 700; color: var(--accent);
  line-height: 1.2; letter-spacing: -0.02em; display: block; margin-bottom: 8px;
}
.metric-item .metric-label { font-size: 14px; color: rgba(255,255,255,0.75); }
@media (max-width: 991px) {
  .metric-inner { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
}
@media (max-width: 767px) {
  .metric-band { padding: 40px 0; }
  .metric-inner { grid-template-columns: 1fr 1fr; gap: 24px 12px; }
  .metric-item .metric-num { font-size: 32px; }
}

/* ===== Process ===== */
.process-section { padding: 80px 0; }
.process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap);
  counter-reset: process;
}
.process-step {
  position: relative; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 24px 28px; box-shadow: var(--shadow);
  transition: box-shadow .3s ease, transform .3s ease;
}
.process-step:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.process-step::before {
  counter-increment: process; content: "0" counter(process);
  position: absolute; top: 20px; right: 20px; font-family: var(--font-num);
  font-size: 38px; font-weight: 700; color: rgba(15,61,62,0.12); line-height: 1;
}
.process-step h3 { margin-bottom: 10px; }
.process-step p { color: var(--text-2); font-size: 14px; line-height: 1.7; }
@media (max-width: 991px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .process-section { padding: 48px 0; }
  .process-grid { grid-template-columns: 1fr; gap: 16px; }
  .process-step { padding: 24px 20px; }
  .process-step::before { font-size: 32px; top: 16px; right: 16px; }
}

/* ===== FAQ ===== */
.faq-section { padding: 80px 0; background: #EFEDE7; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 12px; overflow: hidden; transition: box-shadow .2s ease;
}
.faq-item.active { box-shadow: var(--shadow-hover); border-color: rgba(212,168,87,0.5); }
.faq-question {
  display: flex; align-items: center; gap: 16px; width: 100%; padding: 20px 24px;
  text-align: left; font-size: 16px; font-weight: 600; color: var(--text);
  background: transparent; transition: background .2s ease, color .2s ease;
}
.faq-question:hover { background: rgba(15,61,62,0.03); }
.faq-item.active .faq-question { color: var(--primary); font-weight: 700; }
.faq-q-icon {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  background: rgba(212,168,87,0.2); color: var(--accent-3);
  display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700;
}
.faq-arrow {
  margin-left: auto; flex-shrink: 0; width: 18px; height: 18px;
  transition: transform .3s ease; color: var(--text-2);
}
.faq-arrow svg { width: 100%; height: 100%; }
.faq-item.active .faq-arrow { transform: rotate(180deg); color: var(--accent-3); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .25s ease;
  padding: 0 24px;
}
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px 68px; }
.faq-answer p { color: var(--text-2); font-size: 14px; line-height: 1.75; }
@media (max-width: 767px) {
  .faq-section { padding: 48px 0; }
  .faq-question { padding: 16px 16px; font-size: 15px; gap: 12px; }
  .faq-item.active .faq-answer { padding: 0 16px 16px 46px; }
}

/* ===== CTA ===== */
.cta-section { padding: 80px 0; background: var(--bg); }
.cta-wrap {
  display: flex; gap: 48px; align-items: flex-start;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 48px; box-shadow: var(--shadow);
}
.cta-left { flex: 0 0 55%; }
.cta-left h2 { margin-bottom: 14px; }
.cta-left > p { color: var(--text-2); margin-bottom: 28px; font-size: 15px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: 13px; font-weight: 600; color: var(--text);
  margin-bottom: 6px;
}
.form-control {
  width: 100%; height: 46px; padding: 0 14px; border: 1px solid #D4D9D4;
  border-radius: 6px; font-size: 14px; color: var(--text); background: #fff;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(212,168,87,0.25); }
select.form-control { appearance: auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit { display: flex; align-items: center; gap: 16px; margin-top: 20px; flex-wrap: wrap; }
.form-submit .btn { width: 120px; }
.form-note { font-size: 12px; color: var(--text-3); margin-top: 12px; }
.form-success {
  display: none; background: rgba(46,125,107,0.1); border: 1px solid rgba(46,125,107,0.3);
  color: var(--success); font-size: 14px; font-weight: 600; padding: 12px 16px;
  border-radius: 6px; margin-top: 16px;
}
.cta-right { flex: 1 1 45%; background: rgba(247,245,240,0.6); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px 28px; }
.cta-right h3 { font-size: 18px; margin-bottom: 20px; }
.trust-list li { display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.trust-list li:last-child { border-bottom: none; }
.trust-list svg { flex-shrink: 0; width: 22px; height: 22px; color: var(--success); margin-top: 2px; }
.trust-list .trust-text { font-size: 14px; color: var(--text-2); line-height: 1.6; }
.trust-list .trust-text strong { display: block; font-size: 15px; color: var(--text); margin-bottom: 2px; }
@media (max-width: 991px) {
  .cta-wrap { flex-direction: column; padding: 32px 28px; }
  .cta-left, .cta-right { flex: 0 0 auto; width: 100%; }
}
@media (max-width: 767px) {
  .cta-section { padding: 48px 0; }
  .cta-wrap { padding: 24px 20px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-submit .btn { width: 100%; }
}

/* ===== Footer ===== */
.site-footer { background: var(--primary); color: #B8C4C4; padding: 64px 0 0; font-size: 14px; }
.footer-top {
  display: grid; grid-template-columns: 2.5fr 1fr 1fr 1.8fr; gap: 48px; padding-bottom: 48px;
}
.footer-brand .brand-name { color: #fff; }
.footer-brand-desc { margin-top: 16px; font-size: 14px; line-height: 1.75; color: #B8C4C4; max-width: 300px; }
.footer-col h3 {
  color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #B8C4C4; transition: color .2s ease; font-size: 14px; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-contact li { display: flex; align-items: flex-start; gap: 8px; color: #B8C4C4; line-height: 1.6; }
.footer-contact svg { flex-shrink: 0; width: 16px; height: 16px; margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,0.5); }
@media (max-width: 991px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
  .site-footer { padding-top: 40px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; padding-bottom: 28px; }
  .footer-bottom { padding: 16px 0; }
}

/* roulang page: category4 */
:root {
            --primary: #0F3D3E;
            --primary-light: #1A4F50;
            --accent: #D4A857;
            --accent-light: #E3B96C;
            --accent-dark: #B8913E;
            --bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --border: #E5E1D8;
            --text: #1E2B2C;
            --text-secondary: #5A6667;
            --text-muted: #B0B8B8;
            --success: #2E7D6B;
            --success-light: rgba(46, 125, 107, 0.12);
            --warning: #C7741D;
            --error: #B4452E;
            --radius-card: 8px;
            --radius-btn: 6px;
            --radius-tag: 4px;
            --shadow-card: 0 1px 2px rgba(15, 61, 62, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 61, 62, 0.10);
            --container-max: 1280px;
            --section-space: 80px;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul, ol {
            list-style: none;
        }

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

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

        .section {
            padding: var(--section-space) 0;
        }

        .section-head {
            max-width: 720px;
            margin-bottom: 48px;
        }

        .section-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent-dark);
            background: rgba(212, 168, 87, 0.12);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            padding: 14px 28px;
            border: 1.5px solid transparent;
            cursor: pointer;
            transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.12s ease;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            transform: translateY(1px);
        }

        .btn-primary:active {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(2px);
        }

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

        .btn-outline:hover {
            background: rgba(15, 61, 62, 0.08);
            border-color: var(--primary);
        }

        .btn-outline:active {
            background: rgba(15, 61, 62, 0.14);
        }

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

        .btn-light:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }

        /* ===== Header ===== */
        .site-header {
            position: relative;
            width: 100%;
        }

        .header-brand-row {
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            transition: transform 0.3s ease;
        }

        .site-header.scrolled .header-brand-row {
            transform: translateY(-100%);
        }

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

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
        }

        .brand-name {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.01em;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .brand-phone {
            font-family: var(--font-num);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: color 0.2s ease;
        }

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

        .header-login {
            font-size: 14px;
            padding: 10px 22px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 9px;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .header-nav-row {
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 8px rgba(15, 61, 62, 0.14);
        }

        .nav-row-inner {
            display: flex;
            align-items: center;
            height: 56px;
            gap: 4px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            height: 100%;
            padding: 0 22px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            position: relative;
            transition: color 0.2s ease;
            letter-spacing: 0.02em;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 3px;
            background: var(--accent);
            border-radius: 3px 3px 0 0;
            opacity: 0;
            transform: scaleX(0.6);
            transition: opacity 0.2s ease, transform 0.2s ease;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            opacity: 1;
            transform: scaleX(1);
        }

        .nav-link.active {
            color: #fff;
            font-weight: 600;
        }

        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 61, 62, 0.4);
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .nav-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            background: linear-gradient(135deg, rgba(15, 61, 62, 0.92), rgba(15, 61, 62, 0.82)), url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
            color: #fff;
            padding: 100px 0 96px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(212, 168, 87, 0.22) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--accent);
            background: rgba(212, 168, 87, 0.16);
            border: 1px solid rgba(212, 168, 87, 0.35);
            border-radius: 999px;
            padding: 6px 18px;
            margin-bottom: 24px;
            text-transform: uppercase;
        }

        .page-hero h1 {
            font-size: 46px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin-bottom: 24px;
            max-width: 680px;
        }

        .page-hero .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 620px;
            margin-bottom: 36px;
        }

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

        .page-hero .btn-outline {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }

        .page-hero .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        /* ===== Metric Cluster ===== */
        .metric-cluster {
            background: var(--bg);
        }

        .metric-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .metric-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

        .metric-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            height: 3px;
            width: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0.6;
            transition: opacity 0.25s ease;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

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

        .metric-card .metric-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            background: var(--success-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .metric-card .metric-icon svg {
            width: 24px;
            height: 24px;
            stroke: var(--success);
            fill: none;
            stroke-width: 1.8;
        }

        .metric-card .metric-value {
            font-family: var(--font-num);
            font-size: 42px;
            font-weight: 700;
            color: var(--accent-dark);
            line-height: 1.1;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }

        .metric-card .metric-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .metric-card .metric-note {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .metric-card .metric-note .trend-up {
            color: var(--success);
            font-family: var(--font-num);
            font-weight: 600;
        }

        .metric-card .metric-note .trend-down {
            color: var(--success);
            font-family: var(--font-num);
            font-weight: 600;
        }

        /* ===== Trend Chart ===== */
        .trend-section {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .trend-layout {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 48px;
            align-items: center;
        }

        .chart-panel {
            background: var(--bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 32px 32px 24px;
        }

        .chart-head {
            margin-bottom: 24px;
        }

        .chart-head h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .chart-head p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .chart-wrap {
            width: 100%;
            overflow-x: auto;
        }

        .chart-svg {
            min-width: 620px;
            width: 100%;
            height: auto;
        }

        .chart-legend {
            display: flex;
            gap: 28px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .chart-legend-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .chart-legend-dot {
            width: 10px;
            height: 10px;
            border-radius: 3px;
            display: inline-block;
        }

        .chart-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .chart-side-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: box-shadow 0.2s ease, transform 0.2s ease;
        }

        .chart-side-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .chart-side-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: 8px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .chart-side-icon svg {
            width: 20px;
            height: 20px;
            stroke: var(--accent);
            fill: none;
            stroke-width: 2;
        }

        .chart-side-item .side-value {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .chart-side-item .side-label {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* ===== Insight Cards ===== */
        .insight-section {
            background: var(--bg);
        }

        .insight-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .insight-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            display: flex;
            flex-direction: column;
        }

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

        .insight-card .card-cover {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }

        .insight-card .card-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .insight-card .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .insight-card .card-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 20px;
            flex: 1;
        }

        .insight-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: color 0.2s ease, gap 0.2s ease;
        }

        .insight-card .card-link:hover {
            color: var(--accent-dark);
            gap: 10px;
        }

        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            background: var(--success-light);
            color: var(--success);
            align-self: flex-start;
            margin-bottom: 14px;
        }

        /* ===== Compliance ===== */
        .compliance-section {
            background: var(--primary);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .compliance-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
            background-size: 22px 22px;
            pointer-events: none;
        }

        .compliance-section .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 360px 1fr;
            gap: 64px;
            align-items: center;
        }

        .compliance-intro {
            padding-right: 40px;
        }

        .compliance-intro .shield-icon {
            width: 72px;
            height: 72px;
            border-radius: 16px;
            background: rgba(212, 168, 87, 0.16);
            border: 1px solid rgba(212, 168, 87, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
        }

        .compliance-intro .shield-icon svg {
            width: 36px;
            height: 36px;
            stroke: var(--accent);
            fill: none;
            stroke-width: 1.6;
        }

        .compliance-intro h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .compliance-intro p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
        }

        .compliance-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .compliance-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-card);
            padding: 24px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: background 0.2s ease, border-color 0.2s ease;
        }

        .compliance-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(212, 168, 87, 0.35);
        }

        .compliance-item svg {
            width: 22px;
            height: 22px;
            stroke: var(--accent);
            fill: none;
            stroke-width: 2;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .compliance-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }

        .compliance-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.65;
        }

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

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.2s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .faq-item.active {
            border-color: rgba(212, 168, 87, 0.6);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
        }

        .faq-question .faq-q-text {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .faq-question .faq-q-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--success-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--success);
            flex-shrink: 0;
        }

        .faq-question span.faq-title {
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            transition: color 0.2s ease, font-weight 0.2s ease;
        }

        .faq-item.active .faq-title {
            color: var(--primary);
            font-weight: 700;
        }

        .faq-arrow {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
            color: var(--text-muted);
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-dark);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 24px;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 240px;
            padding: 0 24px 22px 66px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
        }

        .cta-layout {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 64px;
            align-items: flex-start;
        }

        .cta-heading h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-heading p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 420px;
        }

        .form-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 36px;
        }

        .form-group {
            margin-bottom: 18px;
        }

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

        .form-group input,
        .form-group select {
            width: 100%;
            height: 48px;
            padding: 0 16px;
            border: 1px solid #D4D9D4;
            border-radius: var(--radius-btn);
            background: #fff;
            font-size: 15px;
            color: var(--text);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            outline: none;
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(212, 168, 87, 0.35);
        }

        .form-group input::placeholder {
            color: var(--text-muted);
        }

        .form-submit {
            margin-top: 8px;
        }

        .form-submit .btn {
            width: 120px;
        }

        .form-privacy {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 14px;
        }

        .form-success {
            background: var(--success-light);
            border: 1px solid rgba(46, 125, 107, 0.35);
            color: var(--success);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 20px;
            border-radius: var(--radius-btn);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .trust-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            transition: box-shadow 0.2s ease, transform 0.2s ease;
        }

        .trust-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .trust-item .trust-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .trust-item .trust-icon svg {
            width: 20px;
            height: 20px;
            stroke: var(--accent);
            fill: none;
            stroke-width: 2;
        }

        .trust-item .trust-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }

        .trust-item .trust-text small {
            display: block;
            font-size: 13px;
            font-weight: 400;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: #B8C4C4;
            padding-top: 72px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 0.7fr 0.8fr 1.1fr;
            gap: 48px;
            padding-bottom: 56px;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #B8C4C4;
            margin-top: 16px;
            max-width: 280px;
        }

        .footer-col h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: #B8C4C4;
            transition: color 0.2s ease;
        }

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

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            line-height: 1.6;
            color: #B8C4C4;
        }

        .footer-contact svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            margin-top: 3px;
            stroke: var(--accent);
            opacity: 0.8;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            text-align: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-row-inner {
                gap: 0;
                overflow-x: auto;
                scrollbar-width: none;
            }

            .nav-row-inner::-webkit-scrollbar {
                display: none;
            }

            .nav-link {
                padding: 0 16px;
                white-space: nowrap;
            }

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

            .compliance-section .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .compliance-intro {
                padding-right: 0;
            }

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

            .footer-top {
                grid-template-columns: repeat(2, 1fr);
                gap: 36px;
            }
        }

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

            .brand-phone {
                display: none;
            }

            .header-nav-row {
                position: fixed;
                top: 0;
                right: 0;
                width: 280px;
                height: 100vh;
                background: var(--primary);
                transform: translateX(100%);
                transition: transform 0.3s ease;
                box-shadow: -8px 0 24px rgba(15, 61, 62, 0.2);
                z-index: 99;
                overflow-y: auto;
            }

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

            .nav-row-inner {
                flex-direction: column;
                align-items: stretch;
                height: auto;
                padding: 32px 24px;
                gap: 4px;
            }

            .nav-link {
                height: 48px;
                padding: 0 8px;
                font-size: 20px;
                color: rgba(255, 255, 255, 0.85);
                justify-content: flex-start;
            }

            .nav-link::after {
                left: 8px;
                right: auto;
                width: 32px;
                height: 3px;
                border-radius: 0 3px 3px 0;
            }

            .nav-overlay.show {
                display: block;
            }

            .page-hero {
                padding: 80px 0;
            }

            .page-hero h1 {
                font-size: 36px;
            }

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

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

        @media (max-width: 768px) {
            :root {
                --section-space: 48px;
            }

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

            .section-head h2 {
                font-size: 26px;
            }

            .brand-row-inner {
                height: 64px;
            }

            .brand-name {
                font-size: 20px;
            }

            .header-login {
                display: none;
            }

            .page-hero {
                padding: 60px 0;
            }

            .page-hero h1 {
                font-size: 30px;
            }

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

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

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

            .metric-card {
                padding: 28px 24px;
            }

            .metric-card .metric-value {
                font-size: 34px;
            }

            .trend-layout {
                gap: 20px;
            }

            .chart-panel {
                padding: 20px 16px;
            }

            .chart-side-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .compliance-list {
                grid-template-columns: 1fr;
            }

            .compliance-section .container {
                gap: 32px;
            }

            .cta-layout {
                gap: 24px;
            }

            .form-card {
                padding: 24px;
            }

            .form-submit .btn {
                width: 100%;
            }

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

            .footer-bottom {
                text-align: center;
            }

            .faq-question span.faq-title {
                font-size: 15px;
            }

            .faq-item.active .faq-answer {
                padding-left: 24px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 28px;
            }

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

            .brand-phone {
                display: none;
            }

            .insight-card .card-body {
                padding: 20px;
            }

            .trust-list {
                gap: 12px;
            }

            .trust-item {
                padding: 16px 18px;
            }
        }