/* roulang page: index */
:root{
  --primary:#9C7A3C;
  --primary-dark:#82652F;
  --primary-light:#A8844A;
  --secondary:#D8C39A;
  --secondary-light:#E4D5B6;
  --bg:#F9F7F4;
  --bg-alt:#F2EDE4;
  --text:#25221E;
  --text-body:#4A463F;
  --text-muted:#8B857A;
  --border:#ECE5D8;
  --success:#4A7C59;
  --warning:#B4653A;
  --radius:8px;
  --radius-sm:4px;
  --shadow:0 1px 3px rgba(37,34,30,0.06),0 4px 16px rgba(37,34,30,0.04);
  --shadow-hover:0 2px 6px rgba(37,34,30,0.08),0 12px 32px rgba(37,34,30,0.08);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-serif:Georgia,"Times New Roman",serif;
  --trans:150ms cubic-bezier(0.25,0.46,0.45,0.94);
  --trans-slow:300ms cubic-bezier(0.25,0.46,0.45,0.94);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text-body);
  line-height:1.75;
  font-size:16px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color var(--trans)}
a:hover{color:var(--primary-dark)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit}
button{cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-alt{background:var(--bg-alt)}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--primary);
  background:var(--secondary-light);
  padding:4px 14px;
  border-radius:999px;
  margin-bottom:16px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:14px 30px;
  border-radius:var(--radius-sm);
  transition:all var(--trans);
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
}
.btn-primary:hover{
  background:var(--primary-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 6px 20px rgba(156,122,60,0.28);
}
.btn-outline{
  background:transparent;
  color:var(--primary);
  border:1px solid var(--primary);
}
.btn-outline:hover{
  background:var(--bg-alt);
  border-color:var(--primary-dark);
  color:var(--primary-dark);
}
.btn-white{
  background:#fff;
  color:var(--text);
}
.btn-white:hover{
  background:transparent;
  color:#fff;
  border:1px solid #fff;
  transform:translateY(-1px);
}
.btn-lg{padding:17px 38px;font-size:16px}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.section-title{
  font-size:clamp(26px,3vw,34px);
  font-weight:600;
  color:var(--text);
  line-height:1.3;
  letter-spacing:-.01em;
  margin-bottom:20px;
}
.section-sub{
  font-size:17px;
  color:var(--text-muted);
  max-width:720px;
  line-height:1.7;
}
.text-center{text-align:center}
/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(249,247,244,0.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--trans);
}
.site-header.scrolled{
  box-shadow:0 8px 30px rgba(37,34,30,0.06);
  background:rgba(255,255,255,0.97);
}
.header-top{
  padding:14px 0;
  border-bottom:1px solid var(--border);
}
.header-grid{
  display:flex;
  align-items:center;
  gap:24px;
}
.logo-cell{flex:0 0 auto;min-width:190px}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:700;
  font-size:22px;
  letter-spacing:.01em;
  line-height:1.2;
}
.brand-logo:hover{color:var(--primary)}
.brand-logo-mark{
  width:38px;height:38px;
  border-radius:6px;
  background:linear-gradient(135deg,var(--primary-light),var(--primary-dark));
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:16px;
  flex:0 0 38px;
}
.brand-logo-text{white-space:nowrap}
.search-cell{flex:1;max-width:480px;margin-left:auto}
.site-search{
  display:flex;
  align-items:center;
  background:var(--bg-alt);
  border-radius:6px;
  padding:0 0 0 14px;
  border:1px solid transparent;
  transition:all var(--trans);
  height:44px;
}
.site-search:focus-within{
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(156,122,60,0.12);
}
.search-icon{
  width:18px;height:18px;
  color:var(--primary);
  flex:0 0 18px;
}
.site-search input{
  flex:1;
  border:none;
  background:transparent;
  padding:0 12px;
  height:42px;
  font-size:14px;
  color:var(--text);
  outline:none;
  min-width:0;
}
.site-search input::placeholder{color:var(--text-muted)}
.site-search button{
  height:44px;
  padding:0 22px;
  background:var(--primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  border-radius:0 6px 6px 0;
  transition:background var(--trans);
  white-space:nowrap;
}
.site-search button:hover{background:var(--primary-dark)}
.cta-cell{flex:0 0 auto;margin-left:auto}
.btn-header{padding:12px 24px;font-size:14px}
.header-nav{
  background:#fff;
  border-bottom:1px solid var(--border);
}
.main-nav{
  display:flex;
  align-items:center;
  height:52px;
}
.main-nav ul{
  display:flex;
  gap:32px;
  align-items:center;
}
.main-nav a{
  display:block;
  font-size:15px;
  font-weight:500;
  color:var(--text-body);
  padding:15px 0 13px;
  position:relative;
  line-height:1.4;
}
.main-nav a::after{
  content:'';
  position:absolute;
  left:0;bottom:0;
  width:100%;height:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--trans);
}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav li.current a{
  color:var(--primary);
  font-weight:600;
}
.main-nav li.current a::after{transform:scaleX(1)}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius-sm);
  background:var(--bg-alt);
  color:var(--text);
  font-size:19px;
  transition:background var(--trans);
}
.menu-toggle:hover{background:var(--secondary-light);color:var(--primary)}
/* ===== Hero ===== */
.hero{
  position:relative;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat,linear-gradient(135deg,var(--bg) 0%,var(--secondary-light) 100%);
  padding:80px 0 70px;
  min-height:520px;
  display:flex;
  align-items:center;
}
.hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(249,247,244,0.94) 0%,rgba(249,247,244,0.75) 50%,rgba(232,214,182,0.55) 100%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-grid{
  display:flex;
  align-items:center;
  gap:40px;
}
.hero-content{flex:1 1 58%;max-width:680px}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(156,122,60,0.10);
  border:1px solid rgba(156,122,60,0.25);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  padding:6px 16px;
  border-radius:999px;
  margin-bottom:24px;
}
.hero-title{
  font-size:clamp(34px,5vw,52px);
  font-weight:600;
  line-height:1.22;
  color:var(--text);
  letter-spacing:-.01em;
  margin-bottom:22px;
}
.hero-title em{
  font-style:normal;
  color:var(--primary);
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--text-body);
  max-width:560px;
  margin-bottom:34px;
}
.hero-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}
.hero-media{
  flex:1 1 42%;
  max-width:420px;
  position:relative;
}
.hero-card{
  background:#fff;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-hover);
  border:1px solid var(--border);
}
.hero-card img{
  width:100%;
  height:260px;
  object-fit:cover;
}
.hero-card-body{
  padding:20px 24px;
}
.hero-card-body h3{
  font-size:17px;
  font-weight:600;
  color:var(--text);
  margin-bottom:6px;
}
.hero-card-body p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.6;
}
.scroll-indicator{
  position:absolute;
  left:50%;
  bottom:18px;
  transform:translateX(-50%);
  color:var(--text-muted);
  font-size:22px;
  z-index:2;
  animation:bounce 2s infinite;
}
@keyframes bounce{
  0%,100%{transform:translate(-50%,0)}
  50%{transform:translate(-50%,8px)}
}
/* ===== Trust Bar ===== */
.trust-bar{
  background:#fff;
  border-bottom:1px solid var(--border);
  padding:20px 0;
}
.trust-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.trust-item{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--text-body);
  line-height:1.4;
}
.trust-item i{
  color:var(--primary);
  font-size:18px;
  flex:0 0 18px;
}
/* ===== Pain Point ===== */
.pain-grid{
  display:flex;
  gap:60px;
  align-items:flex-start;
}
.pain-left{flex:0 0 40%;max-width:400px}
.pain-right{flex:1;max-width:650px}
.pain-right p{
  font-size:17px;
  line-height:1.85;
  color:var(--text-body);
  margin-bottom:20px;
}
.point-list{
  margin-top:28px;
}
.point-list li{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid var(--border);
  align-items:flex-start;
}
.point-list li:last-child{border-bottom:none}
.point-num{
  width:32px;height:32px;
  flex:0 0 32px;
  border-radius:50%;
  background:var(--secondary-light);
  color:var(--primary);
  font-size:14px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}
.point-list p{
  font-size:15px;
  margin:0;
  color:var(--text-body);
  line-height:1.7;
}
/* ===== Solutions ===== */
.solutions-section{
  background:var(--bg);
}
.sol-head{
  text-align:center;
  margin-bottom:52px;
}
.sol-head .section-sub{margin:0 auto}
.sol-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
  margin-bottom:36px;
}
.sol-card{
  background:#fff;
  border-radius:var(--radius);
  border:1px solid var(--border);
  border-left:4px solid var(--primary);
  padding:36px 30px;
  box-shadow:var(--shadow);
  transition:box-shadow var(--trans-slow),transform var(--trans-slow);
  display:flex;
  flex-direction:column;
}
.sol-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.sol-card-icon{
  width:56px;height:56px;
  border-radius:50%;
  background:var(--secondary-light);
  color:var(--primary);
  font-size:22px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:22px;
}
.sol-card h3{
  font-size:20px;
  font-weight:600;
  color:var(--text);
  margin-bottom:12px;
}
.sol-card p{
  font-size:15px;
  color:var(--text-body);
  line-height:1.75;
  margin-bottom:20px;
  flex:1;
}
.sol-card .sol-link{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.sol-card .sol-link i{transition:transform var(--trans)}
.sol-card .sol-link:hover i{transform:translateX(4px)}
.sol-banner{
  background:linear-gradient(135deg,var(--bg-alt),#fff);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px 34px;
  display:flex;
  align-items:center;
  gap:22px;
  box-shadow:var(--shadow);
  flex-wrap:wrap;
}
.sol-banner-icon{
  width:46px;height:46px;
  flex:0 0 46px;
  border-radius:50%;
  background:var(--primary);
  color:#fff;
  font-size:19px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.sol-banner-text{
  flex:1;
  min-width:260px;
}
.sol-banner-text h4{
  font-size:16px;
  font-weight:600;
  color:var(--text);
  margin-bottom:4px;
}
.sol-banner-text p{
  font-size:15px;
  color:var(--text-body);
  line-height:1.7;
  margin:0;
}
/* ===== Numbers ===== */
.stats-section{
  background:var(--bg-alt);
  position:relative;
}
.stats-wrap{
  display:flex;
  align-items:center;
  gap:48px;
  flex-wrap:wrap;
}
.stats-numbers{
  display:flex;
  gap:44px;
  flex:1 1 60%;
  flex-wrap:wrap;
}
.stat-item{flex:0 0 auto}
.stat-num{
  font-family:var(--font-serif);
  font-size:clamp(38px,4vw,48px);
  font-weight:700;
  color:var(--primary);
  line-height:1.1;
  letter-spacing:.02em;
}
.stat-label{
  font-size:14px;
  color:var(--text-muted);
  margin-top:8px;
  line-height:1.4;
}
.stats-note{
  flex:1 1 30%;
  max-width:360px;
  border-left:3px solid var(--primary);
  padding-left:24px;
}
.stats-note p{
  font-size:16px;
  color:var(--text-body);
  line-height:1.7;
  margin:0;
}
/* ===== Testimonial ===== */
.testimonial-section{background:#fff}
.testi-wrap{
  max-width:820px;
  margin:0 auto;
  text-align:center;
  position:relative;
  padding:30px 40px;
}
.testi-quote-icon{
  font-size:38px;
  color:var(--secondary);
  margin-bottom:8px;
}
.testi-text{
  font-size:clamp(20px,2.4vw,26px);
  font-weight:500;
  color:var(--text);
  line-height:1.65;
  letter-spacing:.01em;
  margin-bottom:26px;
}
.testi-source{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  flex-wrap:wrap;
}
.testi-avatar{
  width:46px;height:46px;
  border-radius:50%;
  background:var(--secondary-light);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
}
.testi-source-name{
  font-size:15px;
  font-weight:600;
  color:var(--text);
}
.testi-source-role{
  font-size:13px;
  color:var(--text-muted);
}
.testi-nav{
  display:flex;
  gap:10px;
  justify-content:center;
  margin-top:30px;
}
.testi-dot{
  width:8px;height:8px;
  border-radius:99px;
  background:var(--border);
  border:none;
  padding:0;
  transition:all var(--trans);
}
.testi-dot.active,.testi-dot:hover{
  background:var(--primary);
  width:24px;
}
/* ===== News / CMS ===== */
.news-section{background:var(--bg)}
.news-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.news-list{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.news-list-item{
  display:flex;
  align-items:center;
  gap:26px;
  padding:24px 28px;
  border-bottom:1px solid var(--border);
  transition:background var(--trans);
}
.news-list-item:last-child{border-bottom:none}
.news-list-item:hover{background:#fcfaf7}
.news-thumb-link{
  flex:0 0 80px;
  height:60px;
  border-radius:var(--radius-sm);
  overflow:hidden;
}
.news-thumb-link img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform var(--trans-slow);
}
.news-list-item:hover .news-thumb-link img{transform:scale(1.04)}
.news-content{
  flex:1;
  min-width:0;
}
.news-title{
  font-size:17px;
  font-weight:600;
  color:var(--text);
  line-height:1.4;
  margin-bottom:5px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.news-title a{color:var(--text)}
.news-title a:hover{color:var(--primary)}
.news-excerpt{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.6;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  margin:0;
}
.news-meta{
  flex:0 0 auto;
  text-align:right;
  display:flex;
  flex-direction:column;
  gap:6px;
  align-items:flex-end;
}
.news-cat{
  display:inline-block;
  background:var(--secondary-light);
  color:var(--primary);
  font-size:13px;
  font-weight:500;
  padding:3px 12px;
  border-radius:999px;
  line-height:1.4;
}
.news-date{
  font-size:13px;
  color:var(--text-muted);
  line-height:1.4;
}
.cms-empty{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:200px;
  padding:40px;
}
.cms-empty-inner{
  text-align:center;
  color:var(--text-muted);
}
.cms-empty-inner i{
  font-size:48px;
  color:var(--secondary);
  margin-bottom:14px;
  display:block;
}
.cms-empty-inner p{
  font-size:15px;
  margin:0;
}
/* ===== FAQ ===== */
.faq-section{background:#fff}
.faq-wrap{max-width:780px;margin:0 auto}
.faq-item{
  border-bottom:1px solid var(--border);
  transition:background var(--trans);
}
.faq-item.open{background:#fff}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:22px 24px;
  font-size:16px;
  font-weight:500;
  color:var(--text);
  text-align:left;
  gap:16px;
  transition:color var(--trans);
  min-height:44px;
}
.faq-question:hover{color:var(--primary)}
.faq-icon{
  position:relative;
  width:24px;height:24px;
  flex:0 0 24px;
}
.faq-icon::before,.faq-icon::after{
  content:'';
  position:absolute;
  background:var(--primary);
  transition:transform var(--trans);
  border-radius:2px;
}
.faq-icon::before{top:11px;left:2px;width:20px;height:2px}
.faq-icon::after{top:2px;left:11px;width:2px;height:20px}
.faq-item.open .faq-icon::after{transform:scaleY(0)}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height 320ms ease;
}
.faq-answer-inner{
  padding:0 24px 22px;
  font-size:15px;
  color:var(--text-body);
  line-height:1.7;
}
/* ===== CTA ===== */
.cta-section{
  background:var(--primary);
  color:#fff;
  padding:70px 0;
  position:relative;
  overflow:hidden;
}
.cta-section::after{
  content:'';
  position:absolute;
  right:-80px;top:-80px;
  width:280px;height:280px;
  border-radius:50%;
  background:rgba(255,255,255,0.06);
}
.cta-inner{
  text-align:center;
  max-width:700px;
  margin:0 auto;
  padding:0 24px;
}
.cta-inner h2{
  font-size:clamp(24px,3vw,32px);
  font-weight:600;
  color:#fff;
  line-height:1.35;
  margin-bottom:16px;
}
.cta-inner p{
  font-size:16px;
  color:rgba(255,255,255,0.82);
  line-height:1.7;
  margin-bottom:30px;
}
.cta-actions{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
/* ===== Footer ===== */
.site-footer{
  background:var(--text);
  color:#BDB8B0;
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand-logo{
  color:#fff;
  margin-bottom:14px;
}
.footer-brand .brand-logo-mark{
  background:var(--primary);
  color:#fff;
}
.footer-desc{
  font-size:14px;
  line-height:1.7;
  color:#9A948B;
  margin-top:14px;
  max-width:280px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-col li{margin-bottom:10px}
.footer-col a{
  font-size:14px;
  color:#BDB8B0;
  line-height:1.6;
  display:inline-block;
  padding:4px 0;
}
.footer-col a:hover{color:var(--secondary)}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  color:#BDB8B0;
}
.footer-contact i{
  color:var(--secondary);
  margin-top:4px;
  width:16px;
  text-align:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.10);
  padding:22px 0;
  font-size:14px;
  color:#86807A;
}
.footer-bottom .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom a{color:var(--secondary)}
.footer-bottom a:hover{color:var(--secondary-light)}
/* ===== Back to top ===== */
.back-top{
  position:fixed;
  right:24px;
  bottom:28px;
  width:44px;
  height:44px;
  border-radius:50%;
  background:var(--primary);
  color:#fff;
  font-size:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--shadow-hover);
  opacity:0;
  visibility:hidden;
  transition:all var(--trans);
  z-index:99;
}
.back-top.show{
  opacity:1;
  visibility:visible;
}
.back-top:hover{
  background:var(--primary-dark);
  transform:translateY(-3px);
}
/* ===== Responsive ===== */
@media (max-width:1023px){
  .header-grid{flex-wrap:wrap}
  .logo-cell{flex:0 0 auto}
  .search-cell{order:3;flex-basis:100%;max-width:none;margin-top:10px}
  .cta-cell{flex:0 0 auto;margin-left:0}
  .menu-toggle{display:flex}
  .main-nav{
    display:none;
    position:absolute;
    top:100%;
    left:0;right:0;
    background:#fff;
    border-bottom:1px solid var(--border);
    box-shadow:0 20px 30px rgba(0,0,0,0.08);
    height:auto;
    max-height:calc(100vh - 120px);
    overflow-y:auto;
  }
  .main-nav.open{display:block}
  .main-nav ul{
    flex-direction:column;
    gap:0;
    padding:16px 0;
  }
  .main-nav li{width:100%}
  .main-nav a{padding:15px 24px}
  .main-nav a::after{display:none}
  .main-nav li.current a{border-left:3px solid var(--primary);padding-left:21px}
  .hero{padding:60px 0;min-height:auto}
  .hero-grid{flex-direction:column}
  .hero-media{max-width:360px;margin:0 auto}
  .pain-grid{flex-direction:column;gap:40px}
  .pain-left{flex:0 0 auto;max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .header-top{padding:10px 0}
  .header-grid{gap:12px}
  .brand-logo{font-size:18px}
  .brand-logo-mark{width:32px;height:32px;font-size:14px;flex-basis:32px}
  .btn-header{display:none}
  .search-cell{margin-top:0}
  .site-search button{padding:0 16px;font-size:13px}
  .hero{padding:44px 0}
  .hero-title{font-size:32px}
  .hero-actions .btn{width:100%}
  .sol-grid{grid-template-columns:1fr}
  .stats-wrap{gap:32px}
  .stats-numbers{flex-direction:column;gap:26px}
  .stats-note{border-left:none;border-top:3px solid var(--primary);padding:20px 0 0;max-width:none}
  .news-list-item{flex-wrap:wrap;gap:14px;padding:18px}
  .news-meta{flex-direction:row;align-items:center;justify-content:flex-start;gap:12px;width:100%}
  .news-thumb-link{flex-basis:72px;height:54px}
  .faq-question{padding:18px 14px;font-size:15px}
  .faq-answer-inner{padding:0 14px 18px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom .container{flex-direction:column;text-align:center}
  .back-top{right:14px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;
    transition-duration:0.01ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category1 */
/* ============ Design Tokens ============ */
:root {
  --primary: #9C7A3C;
  --primary-dark: #876A32;
  --primary-light: #D8C39A;
  --sand-light: #E4D5B6;
  --bg: #F9F7F4;
  --bg-alt: #F2EDE4;
  --text-dark: #25221E;
  --text-body: #4A463F;
  --text-muted: #8B857A;
  --border: #ECE5D8;
  --success: #4A7C59;
  --warning: #B4653A;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(37, 34, 30, 0.06), 0 4px 16px rgba(37, 34, 30, 0.04);
  --shadow-md: 0 2px 6px rgba(37, 34, 30, 0.08), 0 12px 32px rgba(37, 34, 30, 0.08);
  --transition: 150ms ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
}

/* ============ Reset & Base ============ */
*, *::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-body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-tight { padding: 56px 0; }
.text-center { text-align: center; }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(37, 34, 30, 0.06); }
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-logo-mark {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 8px;
  color: #fff;
  font-size: 18px;
  box-shadow: var(--shadow-sm);
}
.brand-logo-text {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-dark);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

/* Search Box */
.search-box {
  flex: 1;
  max-width: 420px;
  display: flex;
  align-items: center;
  background: var(--bg-alt);
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0 4px 0 14px;
  height: 42px;
  transition: all var(--transition);
}
.search-box:focus-within {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(156, 122, 60, 0.12);
}
.search-box svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}
.search-box input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0 10px;
  font-size: 14px;
  color: var(--text-dark);
  height: 100%;
  outline: none;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box button {
  background: var(--primary);
  color: #fff;
  border: none;
  height: 34px;
  padding: 0 18px;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: background var(--transition);
  white-space: nowrap;
}
.search-box button:hover { background: var(--primary-dark); }

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff !important;
  border-radius: var(--radius-sm);
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--transition);
  flex-shrink: 0;
}
.header-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-sm); }

/* Main Nav */
.main-nav {
  border-top: 1px solid var(--border);
  background: #fff;
}
.main-nav ul {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.main-nav li { flex-shrink: 0; }
.main-nav a {
  display: inline-block;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  position: relative;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.main-nav a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms ease;
}
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after { transform: scaleX(1); }
.main-nav li.current a {
  color: var(--primary);
  font-weight: 600;
}
.main-nav li.current a::after { transform: scaleX(1); }

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-dark);
  margin: 5px auto;
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ Page Banner ============ */
.page-banner {
  background: var(--bg-alt) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  position: relative;
  padding: 88px 0 64px;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(249, 247, 244, 0.92) 30%, rgba(249, 247, 244, 0.65));
  pointer-events: none;
}
.page-banner .container { position: relative; z-index: 1; }
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 8px; color: var(--primary-light); }
.breadcrumb .current { color: var(--text-body); }
.page-banner h1 {
  font-size: clamp(32px, 4vw, 42px);
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.2;
  margin: 0 0 16px;
}
.page-banner .banner-desc {
  font-size: 17px;
  color: var(--text-body);
  max-width: 760px;
  line-height: 1.8;
  margin: 0;
}

/* ============ Section Head ============ */
.section-head { margin-bottom: 44px; }
.section-head .overline {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.3;
  margin: 0 0 12px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.75;
}

/* ============ Service Cards ============ */
.service-grid { row-gap: 32px; }
.service-card {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.service-card .card-media {
  position: relative;
  overflow: hidden;
  height: 180px;
}
.service-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.service-card:hover .card-media img { transform: scale(1.03); }
.service-card .card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(37, 34, 30, 0) 55%, rgba(37, 34, 30, 0.08));
  pointer-events: none;
}
.service-card .card-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.service-card .card-tag {
  display: inline-block;
  align-self: flex-start;
  background: var(--sand-light);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 12px;
}
.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.4;
  margin: 0 0 10px;
}
.service-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0 0 16px;
  flex: 1;
}
.service-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: gap var(--transition);
}
.service-card .card-link:hover { gap: 10px; color: var(--primary-dark); }
.service-card .card-link i { font-size: 12px; }
.service-card.featured-card {
  border-top: 3px solid var(--primary);
  border-left: 1px solid var(--border);
}
.service-card.featured-card .card-media { height: 200px; }

/* ============ Timeline ============ */
.timeline-section { background: var(--bg-alt); }
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary-light), var(--primary), var(--primary-light));
  transform: translateX(-50%);
}
.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 40px 44px 0;
  text-align: right;
}
.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding: 0 0 44px 40px;
  text-align: left;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 18px;
  top: 0;
  z-index: 1;
  box-shadow: 0 0 0 4px rgba(156, 122, 60, 0.12);
}
.timeline-item:nth-child(odd) .timeline-dot { right: -22px; }
.timeline-item:nth-child(even) .timeline-dot { left: -22px; }
.timeline-content {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.timeline-content:hover { box-shadow: var(--shadow-md); }
.timeline-content .step-num {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.timeline-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  margin: 0 0 8px;
}
.timeline-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ============ Stats ============ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  align-items: center;
}
.stat-item { text-align: center; padding: 16px 8px; }
.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5vw, 52px);
  font-weight: 600;
  color: var(--primary);
  line-height: 1.1;
  margin-bottom: 8px;
}
.stat-number .unit { font-size: 22px; margin-left: 2px; }
.stat-label { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.stat-note {
  font-size: 15px;
  color: var(--text-body);
  text-align: center;
  padding: 20px;
  border-left: 3px solid var(--primary-light);
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  font-style: italic;
  line-height: 1.7;
}

/* ============ Scenarios ============ */
.scenario-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 32px 0;
}
.scenario-block + .scenario-block { border-top: 1px solid var(--border); }
.scenario-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.scenario-media img { width: 100%; height: 320px; object-fit: cover; }
.scenario-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(156, 122, 60, 0.06);
  pointer-events: none;
}
.scenario-body .scenario-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--sand-light);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 14px;
}
.scenario-body h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-dark);
  margin: 0 0 14px;
  line-height: 1.4;
}
.scenario-body p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
  margin: 0 0 16px;
}
.scenario-body ul { margin: 0 0 0 4px; }
.scenario-body ul li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}
.scenario-body ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--primary-light);
  border-radius: 50%;
}

/* ============ FAQ ============ */
.faq-section { background: var(--bg); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-dark);
  list-style: none;
  position: relative;
  transition: background var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: var(--bg); }
.faq-item summary .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--primary-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 14px;
  flex-shrink: 0;
  transition: all 200ms ease;
}
.faq-item[open] summary .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; border-color: var(--primary); }
.faq-item .faq-answer { padding: 0 24px 20px; font-size: 15px; color: #5B554D; line-height: 1.75; }

/* ============ CTA ============ */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  pointer-events: none;
}
.cta-section h2 {
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 600;
  color: #fff;
  margin: 0 0 14px;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.cta-btn {
  display: inline-block;
  background: #fff;
  color: var(--primary-dark);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  border: 2px solid #fff;
  transition: all var(--transition);
  min-height: 44px;
  line-height: 1.4;
}
.cta-btn:hover {
  background: transparent;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ============ Footer ============ */
.site-footer { background: #2D2A25; color: rgba(255, 255, 255, 0.75); padding-top: 64px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .brand-logo-text { color: #fff; }
.footer-brand .brand-logo-mark { background: var(--primary); }
.footer-desc {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
  margin: 18px 0 0;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 18px;
  letter-spacing: 0.02em;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--primary-light); }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}
.footer-contact li i {
  color: var(--primary-light);
  width: 16px;
  text-align: center;
  margin-top: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.45); }
.footer-bottom a:hover { color: var(--primary-light); }

/* ============ Responsive ============ */
@media (max-width: 1023px) {
  .header-top { flex-wrap: wrap; }
  .search-box { order: 3; max-width: 100%; width: 100%; }
  .stats-grid { gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .section { padding: 56px 0; }
  .header-top { padding: 12px 16px; }
  .brand-logo-text { font-size: 18px; }
  .nav-toggle { display: block; }
  .main-nav { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: #fff; z-index: 99; border: none; overflow-y: auto; padding-top: 84px; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; align-items: flex-start; padding: 24px 32px; gap: 0; }
  .main-nav li { width: 100%; border-bottom: 1px solid var(--border); }
  .main-nav a { display: block; padding: 18px 8px; font-size: 18px; color: var(--text-dark); }
  .main-nav a::after { left: 8px; right: 8px; }
  .page-banner { padding: 64px 0 40px; }
  .page-banner h1 { font-size: 28px; }
  .page-banner .banner-desc { font-size: 15px; }
  .section-head h2 { font-size: 22px; }
  .service-card .card-media { height: 160px; }
  .timeline::before { left: 22px; transform: none; }
  .timeline-item, .timeline-item:nth-child(even) { width: 100%; margin-left: 0; padding: 0 0 32px 56px; text-align: left; }
  .timeline-item:nth-child(odd) .timeline-dot, .timeline-item:nth-child(even) .timeline-dot { left: 0; right: auto; }
  .timeline-content { padding: 20px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-number { font-size: 36px; }
  .scenario-block { grid-template-columns: 1fr; gap: 24px; padding: 24px 0; }
  .scenario-media img { height: 220px; }
  .faq-item summary { padding: 16px 20px; }
  .cta-section p { font-size: 15px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .header-cta { display: none; }
  .brand-logo-mark { width: 34px; height: 34px; font-size: 15px; }
  .brand-logo-text { font-size: 16px; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { padding: 12px; }
  .cta-section { padding: 48px 0; }
  .cta-btn { width: 100%; max-width: 280px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto; }
  img { transform: none !important; }
}

/* roulang page: article */
:root {
  --primary: #9C7A3C;
  --primary-dark: #826430;
  --primary-light: #D8C39A;
  --accent: #E4D5B6;
  --bg: #F9F7F4;
  --bg-light: #F2EDE4;
  --text: #25221E;
  --text-body: #4A463F;
  --text-muted: #8B857A;
  --border: #ECE5D8;
  --success: #4A7C59;
  --warning: #B4653A;
  --radius: 8px;
  --radius-btn: 4px;
  --shadow: 0 1px 3px rgba(37,34,30,.06), 0 4px 16px rgba(37,34,30,.04);
  --shadow-hover: 0 2px 6px rgba(37,34,30,.08), 0 12px 32px rgba(37,34,30,.08);
  --transition: .15s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  background: var(--bg);
  color: var(--text-body);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
button, input, select, textarea { font: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-title { text-align: center; font-size: 28px; font-weight: 600; color: var(--text); margin-bottom: 40px; letter-spacing: -.01em; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius-btn); font-weight: 600;
  font-size: 15px; cursor: pointer; border: 1px solid transparent;
  transition: all var(--transition) ; min-height: 44px; text-align: center; line-height: 1.2;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(156,122,60,.25); }
.btn-outline { background: var(--bg); color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--bg-light); color: var(--primary-dark); }
.btn-light { background: #fff; color: var(--text); border-color: #fff; }
.btn-light:hover { background: transparent; color: #fff; border-color: #fff; }
.btn-lg { padding: 14px 34px; font-size: 16px; }

.site-header {
  background: rgba(249,247,244,.96);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(8px);
  transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: 0 8px 24px rgba(37,34,30,.06); }

.header-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding: 14px 0;
}
.brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-logo-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #B8894F);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 18px; box-shadow: 0 2px 8px rgba(156,122,60,.25);
}
.brand-logo-text { font-size: 22px; font-weight: 700; color: var(--text); letter-spacing: .02em; white-space: nowrap; }

.header-search {
  flex: 0 1 420px; display: flex; align-items: center;
  background: var(--bg-light); border: 1px solid transparent;
  border-radius: 6px; height: 44px; transition: all .2s ease;
}
.header-search:hover { border-color: var(--primary-light); }
.header-search:focus-within {
  background: #fff; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(156,122,60,.12);
}
.header-search .search-icon { width: 18px; height: 18px; margin-left: 14px; color: var(--primary); flex-shrink: 0; }
.header-search input {
  flex: 1; border: none; outline: none; background: transparent;
  padding: 0 12px; font-size: 14px; color: var(--text); height: 100%;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search .search-btn {
  width: 88px; height: 100%; background: var(--primary); border: none;
  border-radius: 0 6px 6px 0; color: #fff; font-size: 14px;
  font-weight: 600; cursor: pointer; transition: background var(--transition);
}
.header-search .search-btn:hover { background: var(--primary-dark); }
.header-cta { flex-shrink: 0; }
.mobile-title-bar { display: none; align-items: center; justify-content: space-between; color: var(--text); flex-shrink: 0; }
.mobile-menu-btn {
  width: 44px; height: 44px; border: none; background: transparent;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  cursor: pointer; border-radius: 4px; transition: background var(--transition);
}
.mobile-menu-btn:hover { background: var(--bg-light); }
.mobile-menu-btn .bar { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: background var(--transition); }
.mobile-menu-btn:hover .bar { background: var(--primary); }

.header-bottom { border-top: 1px solid var(--border); }
.main-nav ul { display: flex; align-items: center; justify-content: center; gap: 32px; list-style: none; margin: 0; padding: 0; }
.main-nav a {
  display: inline-flex; align-items: center; height: 48px; padding: 0 2px;
  font-size: 15px; font-weight: 500; color: var(--text-body); position: relative;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px;
  background: var(--primary); transform: scaleX(0); transform-origin: left;
  transition: transform .2s ease;
}
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after { transform: scaleX(1); }
.main-nav .current a { color: var(--primary); font-weight: 600; }
.main-nav .current a::after { transform: scaleX(1); }

.breadcrumb-wrap { padding: 40px 0 16px; }
.breadcrumb { font-size: 14px; color: var(--text-muted); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--text-body); font-weight: 500; }

.article-wrap { padding: 16px 0 72px; }
.article-main { max-width: 900px; margin: 0 auto; }
.article-header { text-align: center; padding: 16px 0 40px; border-bottom: 1px solid var(--border); margin-bottom: 40px; }
.article-category-badge {
  display: inline-block; background: var(--accent); color: var(--primary-dark);
  font-size: 13px; font-weight: 600; padding: 4px 16px; border-radius: 999px; margin-bottom: 18px;
}
.article-header h1 {
  font-size: clamp(32px, 4vw, 42px); line-height: 1.3; color: var(--text);
  font-weight: 600; margin-bottom: 16px; letter-spacing: -.01em; max-width: 840px;
  margin-left: auto; margin-right: auto;
}
.article-meta { display: flex; justify-content: center; gap: 24px; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--primary); }

.article-content { max-width: 720px; margin: 0 auto; color: var(--text-body); font-size: 17px; line-height: 1.85; }
.article-content h2 { font-size: 24px; margin: 48px 0 16px; color: var(--text); font-weight: 600; letter-spacing: -.01em; padding-top: 8px; }
.article-content h3 { font-size: 20px; margin: 32px 0 12px; color: var(--text); font-weight: 600; }
.article-content p { margin-bottom: 24px; }
.article-content a { color: var(--primary); text-decoration: underline; }
.article-content a:hover { color: var(--primary-dark); }
.article-content blockquote {
  border-left: 3px solid var(--primary); background: var(--bg);
  padding: 20px 24px; margin: 32px 0; border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text); font-style: normal;
}
.article-content img { border-radius: var(--radius); margin: 32px auto; box-shadow: var(--shadow); height: auto; }
.article-content ul, .article-content ol { margin: 0 0 24px 1.4em; padding: 0; }
.article-content li { margin-bottom: 10px; line-height: 1.8; }
.article-content table { width: 100%; border-collapse: collapse; margin: 32px 0; font-size: 15px; }
.article-content th { background: var(--accent); font-weight: 600; text-align: left; color: var(--text); }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 12px 16px; }
.article-content .highlight { color: var(--primary); font-weight: 600; }

.article-footer { max-width: 720px; margin: 48px auto 0; text-align: center; }
.article-tags { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.tag {
  display: inline-block; background: var(--accent); color: var(--primary-dark);
  font-size: 13px; padding: 4px 14px; border-radius: 999px;
}
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 14px; margin-top: 28px;
}
.back-link:hover { color: var(--primary); }

.article-empty {
  max-width: 720px; margin: 48px auto 0; text-align: center;
  padding: 80px 24px; background: #fff; border: 1px dashed var(--border);
  border-radius: var(--radius); color: var(--text-muted);
}
.article-empty i { font-size: 48px; color: var(--primary-light); margin-bottom: 16px; }
.article-empty p { font-size: 18px; margin-bottom: 24px; }

.related-section { background: var(--bg-light); padding: 80px 0; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
  transition: box-shadow .25s ease, transform .25s ease;
}
.related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.related-card img { width: 100%; height: 160px; object-fit: cover; }
.related-card-body { padding: 20px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.related-card .tag { align-self: flex-start; margin-bottom: 10px; }
.related-card h3 { font-size: 17px; font-weight: 600; color: var(--text); line-height: 1.5; margin-bottom: 8px; }
.related-card h3 a { color: var(--text); }
.related-card h3 a:hover { color: var(--primary); }
.related-card .related-meta { font-size: 13px; color: var(--text-muted); margin-bottom: 10px; }
.related-card .related-summary { font-size: 14px; color: var(--text-body); line-height: 1.65; margin-bottom: 14px; flex: 1; }
.related-card .related-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.related-card .related-link:hover { gap: 10px; }
.related-card .related-link i { transition: margin-left .2s ease; }

.cta-section { background: #2D2A25; color: #fff; text-align: center; padding: 80px 0; }
.cta-section h2 { font-size: 28px; color: #fff; margin-bottom: 12px; font-weight: 600; }
.cta-section p { color: rgba(255,255,255,.7); max-width: 620px; margin: 0 auto 28px; font-size: 16px; }
.cta-section .btn-light { min-width: 180px; }

.site-footer { background: #2D2A25; color: rgba(255,255,255,.75); }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px; padding: 64px 0 48px;
}
.footer-brand .brand-logo-text { color: #fff; }
.footer-brand .brand-logo-mark { box-shadow: none; }
.footer-desc { font-size: 14px; line-height: 1.7; margin-top: 16px; max-width: 300px; color: rgba(255,255,255,.6); }
.footer-col h4 { color: #fff; margin-bottom: 16px; font-size: 16px; font-weight: 600; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; font-size: 14px; }
.footer-col a { color: rgba(255,255,255,.7); }
.footer-col a:hover { color: var(--primary-light); }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; color: rgba(255,255,255,.7); }
.footer-contact i { color: var(--primary-light); margin-top: 4px; width: 16px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: rgba(255,255,255,.5); }
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 1023.98px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; padding: 48px 0 32px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .mobile-title-bar { display: flex; }
  #main-nav {
    display: none; width: 100%; background: #fff;
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: var(--shadow); padding: 8px 0;
  }
  #main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; align-items: center; }
  .main-nav a { width: 100%; justify-content: center; height: 48px; }
  .header-search { flex: 0 1 320px; }
}

@media (min-width: 1024px) {
  .mobile-title-bar { display: none !important; }
  #main-nav { display: block !important; }
}

@media (max-width: 767.98px) {
  .container { padding: 0 16px; }
  .header-top { flex-wrap: wrap; row-gap: 12px; }
  .header-search { order: 3; flex: 1 1 100%; max-width: none; }
  .header-cta { display: none; }
  .brand-logo-text { font-size: 19px; }
  .breadcrumb-wrap { padding: 24px 0 12px; }
  .article-wrap { padding: 8px 0 48px; }
  .article-header { padding: 8px 0 28px; margin-bottom: 28px; }
  .article-header h1 { font-size: 28px; line-height: 1.35; }
  .article-meta { gap: 12px; flex-direction: column; align-items: center; }
  .article-content { font-size: 16px; line-height: 1.8; }
  .article-content h2 { font-size: 21px; margin: 32px 0 14px; }
  .article-content blockquote { padding: 16px 20px; }
  .related-section { padding: 56px 0; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 56px 0; }
  .cta-section h2 { font-size: 23px; }
  .footer-grid { grid-template-columns: 1fr; padding: 40px 0 24px; gap: 28px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .footer-col h4 { margin-bottom: 12px; }
}

@media (max-width: 520px) {
  .brand-logo-text { font-size: 17px; }
  .brand-logo-mark { width: 36px; height: 36px; font-size: 16px; }
  .header-search .search-btn { width: 72px; font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category2 */
:root {
  --primary: #9C7A3C;
  --primary-dark: #866831;
  --primary-light: #B89555;
  --secondary: #D8C39A;
  --secondary-light: #E4D5B6;
  --bg: #F9F7F4;
  --bg-alt: #F2EDE4;
  --text-heading: #25221E;
  --text-body: #4A463F;
  --text-muted: #8B857A;
  --border: #ECE5D8;
  --border-medium: #E0D8C8;
  --white: #FFFFFF;
  --success: #4A7C59;
  --warning: #B4653A;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 3px rgba(37, 34, 30, 0.06), 0 4px 16px rgba(37, 34, 30, 0.04);
  --shadow-md: 0 2px 6px rgba(37, 34, 30, 0.08), 0 12px 32px rgba(37, 34, 30, 0.08);
  --shadow-lg: 0 4px 12px rgba(37, 34, 30, 0.10), 0 20px 48px rgba(37, 34, 30, 0.10);
  --transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  text-decoration: none;
  color: var(--text-heading);
  transition: var(--transition);
}
a:hover {
  color: var(--primary);
}
ul,
ol {
  margin: 0;
  padding: 0;
}
input,
button {
  font-family: inherit;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 80px 0;
}
.section-head {
  margin-bottom: 44px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 600;
  color: var(--text-heading);
  line-height: 1.3;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.section-head .sub {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 640px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(156, 122, 60, 0.25);
}
.btn-outline {
  background: var(--bg);
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--bg-alt);
  transform: translateY(-1px);
}
.btn-white {
  background: #fff;
  color: var(--text-heading);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.btn-white:hover {
  background: transparent;
  color: #fff;
  border-color: #fff;
  box-shadow: none;
  transform: translateY(-1px);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--secondary-light);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
}
.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}
.badge-light {
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.92);
}
.badge-light::before {
  background: #fff;
}
/* 头部 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(37, 34, 30, 0.02);
}
.header-top {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-logo-mark {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #C9A46C);
  color: #fff;
  border-radius: 10px;
  font-size: 18px;
  box-shadow: 0 2px 8px rgba(156, 122, 60, 0.25);
}
.brand-logo-text {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-heading);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.header-search {
  flex: 1;
  max-width: 420px;
  margin: 0 auto;
  display: flex;
  position: relative;
}
.header-search .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 15px;
  pointer-events: none;
}
.header-search input {
  height: 44px;
  width: 100%;
  border: 1px solid transparent;
  background: var(--bg-alt);
  border-radius: 6px 0 0 6px;
  padding: 0 16px 0 42px;
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}
.header-search input:focus {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(156, 122, 60, 0.12);
}
.header-search button {
  height: 44px;
  padding: 0 20px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 0 6px 6px 0;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}
.header-search button:hover {
  background: var(--primary-dark);
}
.header-cta {
  flex-shrink: 0;
}
.header-bottom {
  border-top: 1px solid var(--border);
  background: #fff;
}
.main-nav-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.main-nav ul {
  display: flex;
  list-style: none;
  gap: 32px;
  margin: 0;
}
.main-nav li a {
  display: block;
  padding: 14px 0 12px;
  font-size: 15px;
  color: var(--text-body);
  position: relative;
  font-weight: 400;
}
.main-nav li a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--primary);
  transition: right 0.25s ease;
}
.main-nav li a:hover::after {
  right: 0;
}
.main-nav li.current a {
  color: var(--primary);
  font-weight: 600;
}
.main-nav li.current a::after {
  right: 0;
}
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-heading);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}
.nav-toggle:hover {
  background: var(--bg-alt);
}
/* 页面标题区 */
.page-hero {
  padding: 56px 0 52px;
  background: linear-gradient(90deg, rgba(249, 247, 244, 0.95) 0%, rgba(249, 247, 244, 0.85) 55%, rgba(242, 237, 228, 0.72) 100%), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  border-bottom: 1px solid var(--border);
}
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.breadcrumb a {
  color: var(--text-muted);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .sep {
  margin: 0 8px;
  color: var(--border-medium);
}
.page-hero h1 {
  font-size: clamp(32px, 4.2vw, 42px);
  font-weight: 600;
  color: var(--text-heading);
  line-height: 1.25;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}
.page-hero .lead {
  font-size: 17px;
  color: var(--text-body);
  max-width: 760px;
  margin-bottom: 28px;
}
.page-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-anchors a {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 14px;
  color: var(--text-body);
  transition: var(--transition);
}
.page-anchors a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
/* 核心服务卡片区 */
.service-section {
  background: #fff;
}
.service-section .section-head .sub {
  font-size: 15px;
}
.service-card {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  border-top: 3px solid var(--primary);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.service-card .card-media {
  position: relative;
  overflow: hidden;
}
.service-card .card-media img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.service-card:hover .card-media img {
  transform: scale(1.03);
}
.service-card .card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(156, 122, 60, 0) 60%, rgba(37, 34, 30, 0.08) 100%);
  pointer-events: none;
}
.service-card .card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.service-card .card-tag {
  align-self: flex-start;
  margin-bottom: 14px;
}
.service-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-heading);
  margin: 0 0 10px;
  line-height: 1.4;
}
.service-card .card-desc {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}
.service-card .card-points {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}
.service-card .card-points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.6;
}
.service-card .card-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--secondary);
}
.service-card .card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service-card .card-link i {
  font-size: 12px;
  transition: transform 0.2s ease;
}
.service-card .card-link:hover i {
  transform: translateX(4px);
}
.service-card-horizontal {
  display: flex;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
  margin-top: 24px;
}
.service-card-horizontal:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.service-card-horizontal .card-media {
  width: 38%;
  min-height: 240px;
  overflow: hidden;
}
.service-card-horizontal .card-media img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.service-card-horizontal:hover .card-media img {
  transform: scale(1.03);
}
.service-card-horizontal .card-body {
  width: 62%;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.service-card-horizontal .card-tag {
  margin-bottom: 14px;
  align-self: flex-start;
}
.service-card-horizontal h3 {
  font-size: 21px;
  font-weight: 600;
  color: var(--text-heading);
  margin: 0 0 12px;
}
.service-card-horizontal .card-desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-body);
  margin-bottom: 18px;
  max-width: 520px;
}
.service-card-horizontal .card-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}
.service-card-horizontal .card-points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--text-muted);
}
.service-card-horizontal .card-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--secondary);
}
/* 数据带 */
.stats-band {
  background: #2D2A25;
  color: #fff;
  padding: 80px 0;
}
.stats-band .section-head h2 {
  color: #fff;
}
.stats-band .section-head .sub {
  color: rgba(255, 255, 255, 0.6);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 8px;
}
.stat-item {
  text-align: center;
  padding: 32px 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  transition: var(--transition);
}
.stat-item:first-child {
  border-left: none;
}
.stat-item:hover {
  background: rgba(255, 255, 255, 0.03);
}
.stat-num {
  font-family: var(--font-serif);
  font-size: clamp(38px, 4vw, 52px);
  color: var(--secondary-light);
  line-height: 1.1;
  font-weight: 600;
}
.stat-label {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.5;
}
/* 适用场景 */
.scenario-section {
  background: var(--bg-alt);
}
.scenario-grid {
  display: flex;
  align-items: center;
  gap: 56px;
}
.scenario-media {
  flex: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.scenario-media img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}
.scenario-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(156, 122, 60, 0.10) 0%, rgba(156, 122, 60, 0) 50%);
  pointer-events: none;
}
.scenario-content {
  flex: 1;
}
.scenario-content h3 {
  font-size: 26px;
  font-weight: 600;
  color: var(--text-heading);
  margin: 0 0 16px;
  line-height: 1.35;
}
.scenario-content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: 22px;
}
.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.scenario-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 14px;
  color: var(--text-body);
  transition: var(--transition);
}
.scenario-tag i {
  color: var(--primary);
  font-size: 13px;
}
.scenario-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
/* 实施流程 */
.process-section {
  background: #fff;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.process-step {
  position: relative;
  padding: 32px 24px 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.process-step:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--secondary);
}
.process-step .step-num {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 600;
  color: var(--primary);
  line-height: 1;
  display: block;
  margin-bottom: 16px;
}
.process-step h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-heading);
  margin: 0 0 10px;
}
.process-step p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0;
}
.process-step::after {
  content: '\f105';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: -18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--secondary);
  font-size: 16px;
  z-index: 2;
  display: none;
}
@media (min-width: 1024px) {
  .process-step:not(:last-child)::after {
    display: block;
  }
}
/* FAQ */
.faq-section {
  background: var(--bg);
}
.faq-list {
  max-width: 840px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: var(--secondary);
}
.faq-item summary {
  padding: 18px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-heading);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '+';
  font-size: 22px;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.3s ease;
  line-height: 1;
  flex-shrink: 0;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item[open] {
  box-shadow: var(--shadow-sm);
}
.faq-answer {
  padding: 0 24px 22px;
  color: #5B554D;
  font-size: 15px;
  line-height: 1.75;
}
.faq-answer p {
  margin: 0 0 12px;
}
.faq-answer p:last-child {
  margin-bottom: 0;
}
/* CTA */
.cta-section {
  background: linear-gradient(135deg, #866831 0%, #9C7A3C 45%, #B89555 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
.cta-inner {
  text-align: center;
  padding: 80px 24px;
  position: relative;
  z-index: 1;
}
.cta-inner h2 {
  color: #fff;
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 600;
  margin: 0 0 14px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.cta-inner p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 16px;
  margin-bottom: 30px;
}
.cta-inner .btn {
  min-width: 180px;
}
/* 页脚 */
.site-footer {
  background: #25221E;
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .brand-logo-text {
  color: #fff;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.75;
  margin-top: 16px;
  max-width: 320px;
  opacity: 0.62;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col li {
  margin-bottom: 12px;
  font-size: 14px;
}
.footer-col a {
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
  transition: var(--transition);
}
.footer-col a:hover {
  color: #fff;
}
.footer-contact li {
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i {
  color: var(--secondary);
  width: 16px;
  text-align: center;
  font-size: 13px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom a:hover {
  color: #fff;
}
/* 响应式 */
@media (max-width: 1023px) {
  .main-nav ul {
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr 1fr;
  }
  .scenario-grid {
    flex-direction: column;
    gap: 32px;
  }
  .scenario-media {
    width: 100%;
  }
  .scenario-content {
    padding: 0 8px;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .header-search {
    max-width: 300px;
  }
}
@media (max-width: 767px) {
  .section {
    padding: 56px 0;
  }
  .site-header {
    position: relative;
  }
  .header-top {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 16px;
  }
  .header-search {
    order: 3;
    flex-basis: 100%;
    max-width: none;
  }
  .header-cta {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .header-bottom {
    position: relative;
    border-top: none;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 8px 16px 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    z-index: 99;
  }
  .main-nav.nav-open {
    display: block;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }
  .main-nav li a {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 16px;
  }
  .main-nav li:last-child a {
    border-bottom: none;
  }
  .page-hero {
    padding: 40px 0;
  }
  .page-hero h1 {
    font-size: 30px;
  }
  .page-hero .lead {
    font-size: 15px;
  }
  .page-anchors {
    gap: 8px;
  }
  .page-anchors a {
    padding: 6px 14px;
    font-size: 13px;
  }
  .service-card-horizontal {
    flex-direction: column;
  }
  .service-card-horizontal .card-media {
    width: 100%;
    min-height: 0;
  }
  .service-card-horizontal .card-media img {
    min-height: 180px;
    height: 180px;
  }
  .service-card-horizontal .card-body {
    width: 100%;
    padding: 24px;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .stat-item {
    padding: 24px 12px;
  }
  .stat-num {
    font-size: 36px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }
  .scenario-media img {
    height: 240px;
  }
  .cta-inner {
    padding: 56px 16px;
  }
}
@media (max-width: 520px) {
  .brand-logo-text {
    font-size: 19px;
  }
  .brand-logo-mark {
    width: 34px;
    height: 34px;
    font-size: 16px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stat-item {
    padding: 20px 10px;
  }
  .stat-label {
    font-size: 13px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* roulang page: category3 */
:root {
      --primary: #9C7A3C;
      --primary-dark: #876A33;
      --primary-soft: #d8c39a;
      --secondary: #D8C39A;
      --secondary-light: #E4D5B6;
      --bg: #F9F7F4;
      --bg-alt: #F2EDE4;
      --text: #25221E;
      --text-body: #4A463F;
      --text-muted: #8B857A;
      --border: #ECE5D8;
      --success: #4A7C59;
      --warning: #B4653A;
      --radius-card: 8px;
      --radius-btn: 4px;
      --radius-tag: 999px;
      --shadow-card: 0 1px 3px rgba(37,34,30,0.06), 0 4px 16px rgba(37,34,30,0.04);
      --shadow-hover: 0 2px 6px rgba(37,34,30,0.08), 0 12px 32px rgba(37,34,30,0.08);
      --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
    }

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

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

    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text-body);
      background: var(--bg);
      overflow-x: hidden;
    }

    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; transition: color .2s ease; }
    a:hover { color: var(--primary); }
    ul, ol { list-style: none; }
    button, input { font-family: inherit; font-size: 100%; }
    :focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

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

    /* ===================== Header ===================== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(249,247,244,.96);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border);
      transition: box-shadow .3s ease;
    }
    .site-header.is-scrolled { box-shadow: 0 8px 24px rgba(37,34,30,.08); }

    .header-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 14px 0 10px;
      flex-wrap: wrap;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .brand-logo-mark {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary) 0%, #B8935A 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
      box-shadow: 0 2px 8px rgba(156,122,60,.3);
    }
    .brand-logo-text {
      font-size: 22px;
      font-weight: 600;
      letter-spacing: .01em;
      color: var(--text);
      white-space: nowrap;
    }
    .brand-logo-text em {
      font-style: normal;
      color: var(--primary);
    }

    .header-search {
      flex: 1;
      max-width: 420px;
      display: flex;
      align-items: center;
      background: var(--bg-alt);
      border: 1px solid transparent;
      border-radius: 6px;
      padding: 0 4px 0 14px;
      height: 42px;
      transition: background .2s, border .2s, box-shadow .2s;
    }
    .header-search .fa-search {
      color: var(--primary);
      font-size: 14px;
      margin-right: 10px;
    }
    .header-search input[type="search"] {
      flex: 1;
      border: none;
      background: transparent;
      font-size: 14px;
      color: var(--text);
      outline: none;
      height: 100%;
      min-width: 0;
    }
    .header-search input[type="search"]::placeholder { color: var(--text-muted); }
    .header-search:focus-within {
      background: #fff;
      border: 1px solid var(--primary);
      box-shadow: 0 0 0 3px rgba(156,122,60,.12);
    }
    .header-search button {
      height: 34px;
      padding: 0 20px;
      border: none;
      background: var(--primary);
      color: #fff;
      font-size: 14px;
      border-radius: 4px;
      cursor: pointer;
      transition: background .2s;
    }
    .header-search button:hover { background: var(--primary-dark); }

    .header-cta {
      flex-shrink: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 15px;
      font-weight: 500;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      border: 1px solid transparent;
      cursor: pointer;
      transition: all .15s ease;
      line-height: 1.4;
      text-align: center;
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 2px 6px rgba(156,122,60,.25);
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      color: #fff;
      transform: translateY(-1px);
    }
    .btn-outline {
      background: var(--bg);
      border-color: var(--primary);
      color: var(--primary);
    }
    .btn-outline:hover {
      background: var(--bg-alt);
      color: var(--primary-dark);
      transform: translateY(-1px);
    }
    .btn-white {
      background: #fff;
      color: var(--text);
    }
    .btn-white:hover {
      background: transparent;
      border-color: #fff;
      color: #fff;
      transform: translateY(-1px);
    }
    .btn-sm { padding: 8px 20px; font-size: 14px; }
    .btn-lg { padding: 14px 36px; font-size: 16px; }

    /* ===================== 导航 ===================== */
    .main-nav {
      border-top: 1px solid var(--border);
      padding: 0;
    }
    .main-nav ul {
      display: flex;
      align-items: center;
      gap: 0;
      flex-wrap: wrap;
    }
    .main-nav li { position: relative; }
    .main-nav a {
      display: block;
      padding: 12px 20px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      border-bottom: 2px solid transparent;
      transition: color .2s, border-color .2s;
    }
    .main-nav a:hover {
      color: var(--primary);
    }
    .main-nav li.current > a {
      color: var(--primary);
      border-bottom-color: var(--primary);
    }
    .main-nav li.current > a::after {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      bottom: -1px;
      height: 2px;
      background: var(--primary);
    }
    .main-nav-link-faq {
      margin-left: auto;
      color: var(--text-muted) !important;
      font-size: 14px !important;
    }

    .nav-right {
      margin-left: auto;
      display: flex;
      align-items: center;
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 22px;
      color: var(--text);
      cursor: pointer;
      padding: 8px;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
    }

    /* ===================== 页面横幅 ===================== */
    .page-banner {
      background:
        linear-gradient(90deg, rgba(37,34,30,.72) 0%, rgba(37,34,30,.45) 100%),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      padding: 88px 0 72px;
      position: relative;
      color: #fff;
    }
    .page-banner .breadcrumb {
      font-size: 14px;
      color: rgba(255,255,255,.75);
      margin-bottom: 20px;
    }
    .page-banner .breadcrumb a { color: rgba(255,255,255,.85); }
    .page-banner .breadcrumb a:hover { color: #fff; }
    .page-banner h1 {
      font-size: clamp(32px, 4.5vw, 42px);
      font-weight: 600;
      line-height: 1.25;
      margin-bottom: 18px;
      color: #fff;
      letter-spacing: -.01em;
    }
    .page-banner .banner-desc {
      font-size: 17px;
      line-height: 1.75;
      max-width: 720px;
      color: rgba(255,255,255,.88);
    }

    /* ===================== 锚点导航条 ===================== */
    .anchor-bar {
      background: var(--bg-alt);
      border-bottom: 1px solid var(--border);
      padding: 14px 0;
    }
    .anchor-bar .container {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      align-items: center;
    }
    .anchor-bar a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-body);
      padding: 6px 18px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--border);
      transition: all .2s;
    }
    .anchor-bar a:hover {
      color: var(--primary);
      border-color: var(--primary);
      background: #fff;
    }
    .anchor-bar a i { font-size: 12px; color: var(--primary); }

    /* ===================== 主内容区 ===================== */
    .page-main {
      padding: 72px 0 40px;
    }
    .page-main .grid-x {
      align-items: flex-start;
    }
    .main-content {
      padding-bottom: 48px;
    }
    .sidebar {
      position: sticky;
      top: 130px;
    }

    /* ===================== 服务范围 ===================== */
    .section-title {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 36px;
    }
    .section-title .sec-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary-soft), var(--secondary-light));
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 18px;
      flex-shrink: 0;
    }
    .section-title h2 {
      font-size: 28px;
      font-weight: 600;
      color: var(--text);
      line-height: 1.3;
      margin: 0;
    }
    .section-title .sec-sub {
      font-size: 14px;
      color: var(--text-muted);
      margin-left: auto;
      font-weight: 400;
    }

    .solution-list {
      border-top: 1px solid var(--border);
    }
    .solution-item {
      display: flex;
      gap: 22px;
      padding: 32px 0;
      border-bottom: 1px solid var(--border);
      transition: background .2s;
    }
    .solution-item:hover { background: rgba(242,237,228,.35); }
    .solution-icon {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      border: 1.5px solid var(--primary);
      background: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 20px;
      flex-shrink: 0;
      box-shadow: 0 2px 8px rgba(156,122,60,.1);
    }
    .solution-body { flex: 1; min-width: 0; }
    .solution-body h3 {
      font-size: 20px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 10px;
    }
    .solution-body p {
      font-size: 15px;
      line-height: 1.8;
      color: var(--text-body);
      margin-bottom: 14px;
    }
    .solution-points {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 16px;
    }
    .solution-points li {
      font-size: 13px;
      color: var(--text-muted);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .solution-points li::before {
      content: '\f00c';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      color: var(--primary);
      font-size: 11px;
    }
    .solution-link {
      align-self: flex-end;
      font-size: 14px;
      color: var(--primary);
      font-weight: 500;
      white-space: nowrap;
      margin-left: 10px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 0;
    }
    .solution-link i { font-size: 12px; transition: transform .2s; }
    .solution-link:hover i { transform: translateX(3px); }

    /* ===================== 执行标准 ===================== */
    .standard-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .standard-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 24px 24px 22px;
      box-shadow: var(--shadow-card);
      transition: box-shadow .25s ease;
      position: relative;
      overflow: hidden;
    }
    .standard-item::before {
      content: '';
      position: absolute;
      top: 0; left: 0;
      width: 100%;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--primary-soft));
      opacity: 0;
      transition: opacity .25s;
    }
    .standard-item:hover::before { opacity: 1; }
    .standard-item:hover { box-shadow: var(--shadow-hover); }
    .standard-num {
      font-family: Georgia, serif;
      font-size: 32px;
      font-weight: 600;
      color: var(--primary-soft);
      line-height: 1;
      margin-bottom: 10px;
    }
    .standard-item h4 {
      font-size: 17px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 8px;
    }
    .standard-item p {
      font-size: 14px;
      line-height: 1.7;
      color: var(--text-muted);
    }

    /* ===================== 合作流程 ===================== */
    .process-list {
      position: relative;
      padding-left: 0;
    }
    .process-list::before {
      content: '';
      position: absolute;
      top: 24px; bottom: 24px;
      left: 27px;
      width: 2px;
      background: linear-gradient(180deg, var(--secondary-light), var(--border));
    }
    .process-item {
      display: flex;
      gap: 22px;
      padding: 22px 0;
      position: relative;
      align-items: flex-start;
    }
    .process-step {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      font-size: 20px;
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      box-shadow: 0 4px 12px rgba(156,122,60,.3);
      position: relative;
      z-index: 1;
      font-family: Georgia, serif;
    }
    .process-item:nth-child(even) .process-step {
      background: var(--text);
      box-shadow: 0 4px 12px rgba(37,34,30,.2);
    }
    .process-content { flex: 1; padding-top: 4px; }
    .process-content h4 {
      font-size: 18px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 6px;
    }
    .process-content p {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* ===================== 侧栏 ===================== */
    .sidebar-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 28px 24px;
      margin-bottom: 24px;
      box-shadow: var(--shadow-card);
    }
    .sidebar-card h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 18px;
      position: relative;
      padding-left: 14px;
    }
    .sidebar-card h3::before {
      content: '';
      position: absolute;
      left: 0; top: 5px; bottom: 5px;
      width: 3px;
      background: var(--primary);
      border-radius: 2px;
    }
    .sidebar-anchors ul li a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 10px;
      font-size: 15px;
      color: var(--text-body);
      border-radius: 4px;
      transition: all .2s;
      border-bottom: 1px solid var(--border);
    }
    .sidebar-anchors ul li:last-child a { border-bottom: none; }
    .sidebar-anchors ul li a i {
      font-size: 12px;
      color: var(--primary);
      width: 16px;
      text-align: center;
    }
    .sidebar-anchors ul li a:hover {
      background: var(--bg-alt);
      color: var(--primary);
      padding-left: 16px;
    }

    .sidebar-contact { text-align: center; }
    .sidebar-contact p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 18px;
      line-height: 1.7;
    }
    .sidebar-contact .btn { width: 100%; }
    .sidebar-contact .phone-num {
      font-family: Georgia, serif;
      font-size: 24px;
      font-weight: 600;
      color: var(--primary);
      display: block;
      margin: 10px 0 4px;
    }
    .sidebar-contact .phone-label {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    /* ===================== FAQ ===================== */
    .faq-section {
      background: var(--bg-alt);
      padding: 72px 0;
      margin-top: 40px;
    }
    .faq-section .section-title { margin-bottom: 32px; }
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: box-shadow .25s;
    }
    .faq-item:hover { box-shadow: var(--shadow-hover); }
    .faq-item[open] .faq-question i {
      transform: rotate(45deg);
    }
    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 500;
      color: var(--text);
      cursor: pointer;
      list-style: none;
      transition: background .2s;
    }
    .faq-question::-webkit-details-marker { display: none; }
    .faq-question:hover { background: var(--bg); }
    .faq-question i {
      font-size: 18px;
      color: var(--primary);
      transition: transform .3s ease;
      flex-shrink: 0;
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 15px;
      line-height: 1.8;
      color: #5B554D;
      border-top: 1px solid var(--border);
      padding-top: 16px;
      margin-top: 0;
    }

    /* ===================== CTA 窄条 ===================== */
    .cta-strip {
      background: var(--bg-alt);
      padding: 44px 0;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .cta-strip .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
    }
    .cta-strip .cta-text {
      font-size: 20px;
      font-weight: 600;
      color: var(--text);
      line-height: 1.5;
      max-width: 640px;
    }
    .cta-strip .cta-text span {
      color: var(--primary);
    }
    .cta-strip .btn { flex-shrink: 0; }

    /* ===================== 页脚 ===================== */
    .site-footer {
      background: #2D2A25;
      color: #B8B2A7;
      padding-top: 64px;
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 48px;
      padding-bottom: 48px;
    }
    .footer-brand .brand-logo-text { color: #fff; }
    .footer-desc {
      margin-top: 18px;
      font-size: 14px;
      line-height: 1.75;
      color: #9a9387;
      max-width: 320px;
    }
    .footer-col h4 {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 10px;
    }
    .footer-col h4::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 28px;
      height: 2px;
      background: var(--primary);
    }
    .footer-col ul li {
      margin-bottom: 12px;
    }
    .footer-col ul li a {
      color: #9a9387;
      transition: color .2s, padding-left .2s;
    }
    .footer-col ul li a:hover {
      color: var(--secondary-light);
      padding-left: 4px;
    }
    .footer-contact li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: #9a9387;
      margin-bottom: 14px;
    }
    .footer-contact li i {
      color: var(--primary);
      width: 18px;
      margin-top: 3px;
      text-align: center;
      font-size: 14px;
    }
    .footer-bottom {
      border-top: 1px solid #3D3A35;
      padding: 24px 0;
      font-size: 13px;
      color: #7d766c;
    }
    .footer-bottom .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    .footer-bottom a { color: #9a9387; }
    .footer-bottom a:hover { color: #fff; }

    /* ===================== 区块间隔 ===================== */
    .section-block {
      padding: 64px 0 72px;
    }
    .section-block--alt {
      background: var(--bg-alt);
    }

    /* ===================== 响应式 ===================== */
    @media (max-width: 1023px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
      }
      .standard-list {
        grid-template-columns: 1fr;
      }
      .sidebar {
        position: static;
        margin-top: 40px;
      }
      .header-search { max-width: 300px; }
    }

    @media (max-width: 767px) {
      .container { padding: 0 16px; }
      .header-top {
        flex-wrap: nowrap;
        padding: 12px 0 8px;
      }
      .brand-logo-text { font-size: 18px; }
      .brand-logo-mark { width: 32px; height: 32px; font-size: 14px; }
      .header-search {
        order: 3;
        width: 100%;
        max-width: 100%;
        margin-top: 8px;
      }
      .header-cta .btn { padding: 8px 14px; font-size: 13px; }
      .menu-toggle {
        display: inline-flex;
      }
      .main-nav {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(249,247,244,.98);
        z-index: 200;
        padding: 80px 24px 24px;
        overflow-y: auto;
      }
      .main-nav.open { display: block; }
      .main-nav ul {
        flex-direction: column;
        align-items: stretch;
      }
      .main-nav li { border-bottom: 1px solid var(--border); }
      .main-nav a {
        font-size: 20px;
        padding: 16px 0;
        border-bottom: none;
        text-align: left;
      }
      .main-nav li.current > a {
        border-bottom: none;
        color: var(--primary);
      }
      .main-nav li.current > a::after { display: none; }
      .nav-right { margin-left: 0; }

      .page-banner { padding: 56px 0 48px; }
      .page-banner h1 { font-size: 30px; }
      .page-banner .banner-desc { font-size: 15px; }

      .section-title { flex-wrap: wrap; }
      .section-title .sec-sub { margin-left: 0; width: 100%; margin-top: 4px; }

      .solution-item {
        flex-direction: column;
        gap: 16px;
        padding: 24px 0;
      }
      .solution-icon {
        width: 44px;
        height: 44px;
        font-size: 16px;
      }
      .solution-link { align-self: flex-start; margin-left: 0; }

      .process-item { gap: 16px; }
      .process-step { width: 44px; height: 44px; font-size: 16px; }
      .process-list::before { left: 22px; }
      .process-content h4 { font-size: 16px; }
      .process-content p { font-size: 14px; }

      .cta-strip .container { flex-direction: column; align-items: flex-start; }
      .cta-strip .cta-text { font-size: 18px; }

      .footer-grid { grid-template-columns: 1fr; gap: 32px; }
      .footer-bottom .container { flex-direction: column; text-align: center; }

      .faq-question { padding: 16px 18px; font-size: 15px; }
      .faq-answer { padding: 14px 18px 16px; font-size: 14px; }

      .sidebar-card { padding: 20px 18px; }
    }

    @media (max-width: 520px) {
      .brand-logo-text { font-size: 16px; }
      .header-cta .btn { display: none; }
      .standard-item { padding: 20px 16px; }
      .section-title h2 { font-size: 22px; }
    }

    /* ===================== 动效 ===================== */
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
      }
    }

    .fade-up {
      opacity: 0;
      transform: translateY(8px);
      transition: opacity .5s ease, transform .5s ease;
    }
    .fade-up.in-view {
      opacity: 1;
      transform: translateY(0);
    }