/* roulang page: index */
:root{
  --primary:#B57A45;
  --primary-dark:#9A6534;
  --primary-light:#C08A4F;
  --accent:#D9A05B;
  --accent-light:#E8C08A;
  --bg-dark:#121110;
  --bg-dark-card:#1A1815;
  --bg-dark-card2:#201D19;
  --bg-light:#F5F0E8;
  --bg-light-card:#FCF9F4;
  --text-dark:#2E241B;
  --text-light:#F0E9DF;
  --text-muted-dark:rgba(240,233,223,.6);
  --text-muted-light:rgba(46,36,27,.55);
  --border-dark:rgba(181,122,69,.25);
  --border-dark-hover:rgba(181,122,69,.55);
  --border-light:rgba(46,36,27,.10);
  --radius-lg:16px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow-dark:0 8px 32px rgba(0,0,0,.45);
  --shadow-light:0 4px 24px rgba(46,36,27,.08);
  --shadow-hover:0 16px 44px rgba(181,122,69,.18);
  --font-display:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-body:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --transition:all .3s cubic-bezier(.4,0,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  font-family:var(--font-body);
  background:var(--bg-light);
  color:var(--text-dark);
  line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{max-width:1320px;padding-left:24px;padding-right:24px;margin:0 auto}
.row{margin-left:-16px;margin-right:-16px}
.col,.col-12,.col-lg-3,.col-lg-4,.col-lg-5,.col-lg-6,.col-lg-7,.col-md-6,.col-lg-8,.col-xl-3,.col-md-12,.col-lg-2{padding-left:16px;padding-right:16px}

/* ===== 排版 ===== */
.section{padding:108px 0}
.section-head{text-align:center;max-width:820px;margin:0 auto 60px}
.section-tag{
  display:inline-block;
  font-size:13px;
  letter-spacing:3px;
  color:var(--primary);
  text-transform:uppercase;
  background:rgba(181,122,69,.12);
  border:1px solid rgba(181,122,69,.2);
  padding:6px 18px;
  border-radius:var(--radius-pill);
  margin-bottom:16px;
  font-weight:600;
}
.section-head h2{
  font-family:var(--font-display);
  font-size:clamp(28px,3.2vw,40px);
  font-weight:700;
  margin-bottom:16px;
  line-height:1.25;
  color:var(--text-dark);
}
.section-head p{
  font-size:16px;
  color:var(--text-muted-light);
  line-height:1.75;
}

/* ===== 按钮 ===== */
.btn{
  font-family:var(--font-body);
  font-weight:600;
  border-radius:var(--radius-sm);
  padding:12px 30px;
  font-size:15px;
  transition:var(--transition);
  border:none;
  display:inline-flex;
  align-items:center;
  gap:8px;
  letter-spacing:.04em;
}
.btn:focus{outline:none;box-shadow:0 0 0 3px rgba(181,122,69,.3)}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 6px 20px rgba(181,122,69,.35);
}
.btn-primary:hover{
  background:var(--primary-dark);
  color:#fff;
  transform:translateY(-3px);
  box-shadow:0 12px 28px rgba(181,122,69,.4);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(181,122,69,.3)}
.btn-outline{
  background:transparent;
  color:var(--primary);
  border:1.5px solid var(--primary);
}
.btn-outline:hover{
  background:rgba(181,122,69,.08);
  color:var(--primary-dark);
  border-color:var(--primary-dark);
  transform:translateY(-3px);
}
.btn-outline-light{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(240,233,223,.35);
}
.btn-outline-light:hover{
  background:rgba(240,233,223,.12);
  border-color:#fff;
  transform:translateY(-3px);
}
.btn-white{
  background:#F5F0E8;
  color:var(--text-dark);
  box-shadow:0 4px 16px rgba(0,0,0,.18);
}
.btn-white:hover{
  background:#fff;
  transform:translateY(-3px);
  box-shadow:0 8px 24px rgba(0,0,0,.22);
}
.btn-arrow::after{
  content:"\f061";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:12px;
  transition:transform .3s;
}
.btn-arrow:hover::after{transform:translateX(4px)}

/* ===== 徽章 ===== */
.badge{
  font-size:13px;
  font-weight:600;
  padding:6px 16px;
  border-radius:var(--radius-pill);
  background:rgba(181,122,69,.15);
  color:var(--primary);
  letter-spacing:.02em;
  border:1px solid rgba(181,122,69,.2);
}

/* ===== 导航 ===== */
.main-nav{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  padding:16px 0;
  transition:var(--transition);
}
.main-nav.scrolled{
  background:rgba(18,17,16,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-dark);
  padding:10px 0;
  box-shadow:0 4px 20px rgba(0,0,0,.3);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.nav-logo{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.logo-icon{
  width:42px;
  height:42px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-display);
  font-size:22px;
  font-weight:700;
  color:#fff;
  box-shadow:0 4px 12px rgba(181,122,69,.35);
}
.logo-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.logo-text strong{
  font-size:20px;
  font-weight:700;
  color:#fff;
  letter-spacing:.06em;
  font-family:var(--font-display);
}
.logo-text span{
  font-size:11px;
  color:rgba(240,233,223,.55);
  letter-spacing:.14em;
  margin-top:2px;
}
.nav-chips{
  display:flex;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  margin:0;
  padding:0;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;
  align-items:center;
  padding:7px 18px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(240,233,223,.2);
  color:rgba(240,233,223,.8);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  cursor:pointer;
  transition:var(--transition);
  text-align:center;
}
.chip:hover{
  background:rgba(181,122,69,.15);
  border-color:rgba(181,122,69,.4);
  color:#fff;
}
.chip.active{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
  font-weight:600;
  box-shadow:0 4px 14px rgba(181,122,69,.3);
}
.nav-cta{
  flex-shrink:0;
  padding:9px 24px;
  font-size:14px;
}

/* ===== Hero 首屏 ===== */
.hero{
  position:relative;
  background:linear-gradient(135deg,rgba(18,17,16,.92),rgba(30,27,24,.85)),url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  padding-top:160px;
  padding-bottom:100px;
  color:var(--text-light);
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute;
  top:-60px;
  right:-60px;
  width:380px;
  height:380px;
  background:radial-gradient(circle,rgba(181,122,69,.18),transparent 70%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:64px;
  align-items:center;
  position:relative;
  z-index:1;
}
.hero-badge-line{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(181,122,69,.2);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-pill);
  padding:6px 16px;
  font-size:13px;
  color:var(--accent);
  letter-spacing:.08em;
  margin-bottom:22px;
}
.hero-badge-line i{font-size:12px}
.hero h1{
  font-family:var(--font-display);
  font-size:clamp(34px,4vw,50px);
  font-weight:800;
  line-height:1.2;
  margin-bottom:22px;
  color:#fff;
}
.hero h1 em{
  font-style:normal;
  color:var(--accent);
}
.hero-desc{
  font-size:15.5px;
  line-height:1.85;
  color:rgba(240,233,223,.75);
  margin-bottom:32px;
  max-width:520px;
}
.hero-cta{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:28px;
}
.hero-qualifications{
  display:flex;
  gap:20px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(240,233,223,.6);
}
.hero-qualifications span{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.hero-qualifications i{
  color:var(--accent);
  font-size:12px;
}
.metric-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.metric-card{
  background:rgba(26,24,21,.75);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-lg);
  padding:26px 22px;
  backdrop-filter:blur(8px);
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.metric-card::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:3px;
  height:100%;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.metric-card:hover{
  transform:translateY(-4px);
  border-color:var(--border-dark-hover);
  box-shadow:var(--shadow-dark);
}
.metric-num{
  font-family:var(--font-display);
  font-size:clamp(34px,3vw,42px);
  font-weight:800;
  color:var(--accent);
  line-height:1.1;
  margin-bottom:6px;
  text-shadow:0 0 24px rgba(217,160,91,.2);
}
.metric-label{
  font-size:13.5px;
  color:rgba(240,233,223,.65);
  letter-spacing:.02em;
}
.hero-badges-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:56px;
  padding-top:24px;
  border-top:1px solid rgba(240,233,223,.12);
  position:relative;
  z-index:1;
}
.hero-badges-row .badge{
  background:rgba(240,233,223,.06);
  border-color:rgba(240,233,223,.12);
  color:rgba(240,233,223,.7);
  font-size:12.5px;
}
.hero-badges-row .badge i{
  margin-right:4px;
  color:var(--accent);
}

/* ===== 服务矩阵 ===== */
.services-section{
  background:var(--bg-dark);
  color:var(--text-light);
}
.services-section .section-head h2{color:#fff}
.services-section .section-head p{color:rgba(240,233,223,.6)}
.service-card{
  background:var(--bg-dark-card);
  border:1px solid rgba(240,233,223,.07);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  height:100%;
  position:relative;
  overflow:hidden;
  transition:var(--transition);
}
.service-card:hover{
  transform:translateY(-6px);
  border-color:var(--border-dark-hover);
  box-shadow:var(--shadow-dark);
  background:var(--bg-dark-card2);
}
.service-card::after{
  content:'';
  position:absolute;
  bottom:0;
  right:0;
  width:120px;
  height:120px;
  background:radial-gradient(circle,rgba(181,122,69,.12),transparent 70%);
  opacity:0;
  transition:var(--transition);
}
.service-card:hover::after{opacity:1}
.service-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:40px;
  height:28px;
  padding:0 10px;
  border-radius:var(--radius-pill);
  background:var(--primary);
  color:#fff;
  font-size:13px;
  font-weight:700;
  margin-bottom:18px;
  letter-spacing:.04em;
}
.service-card h3{
  font-size:20px;
  font-weight:700;
  color:#fff;
  margin-bottom:10px;
  font-family:var(--font-display);
}
.service-card p{
  font-size:14px;
  color:rgba(240,233,223,.62);
  line-height:1.7;
  margin-bottom:20px;
}
.service-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:600;
  color:var(--accent);
  cursor:pointer;
  transition:var(--transition);
  border-bottom:1px solid rgba(217,160,91,.4);
  padding-bottom:2px;
}
.service-link:hover{
  color:var(--accent-light);
  border-color:var(--accent-light);
  text-decoration:none;
}
.service-link i{font-size:11px;transition:transform .3s}
.service-link:hover i{transform:translateX(3px)}

/* ===== 结果对比 ===== */
.compare-section{
  background:var(--bg-light);
}
.compare-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  gap:28px;
  align-items:stretch;
  position:relative;
}
.compare-card{
  border-radius:var(--radius-lg);
  padding:36px 32px;
  transition:var(--transition);
}
.compare-left{
  background:#EAE4DA;
  border:1px solid rgba(46,36,27,.06);
}
.compare-left:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-light);
}
.compare-right{
  background:var(--bg-light-card);
  border:2px solid var(--primary);
  box-shadow:var(--shadow-light);
  position:relative;
}
.compare-right::before{
  content:'推荐';
  position:absolute;
  top:-14px;
  right:24px;
  background:var(--primary);
  color:#fff;
  font-size:12px;
  font-weight:700;
  padding:3px 16px;
  border-radius:var(--radius-pill);
  letter-spacing:.06em;
}
.compare-right:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--primary-light);
}
.compare-card h3{
  font-size:19px;
  font-weight:700;
  margin-bottom:22px;
  padding-bottom:16px;
  border-bottom:1px solid rgba(46,36,27,.08);
  font-family:var(--font-display);
}
.compare-left h3{color:#6B5D4C}
.compare-right h3{color:var(--text-dark)}
.compare-card ul li{
  display:flex;
  gap:12px;
  margin-bottom:16px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-dark);
}
.compare-left ul li{color:#7A6C5A}
.compare-card ul li i{
  margin-top:3px;
  font-size:13px;
  flex-shrink:0;
}
.compare-left i{color:#B8AFA3}
.compare-right i{color:var(--primary)}
.compare-vs{
  display:flex;
  align-items:center;
  justify-content:center;
}
.compare-vs span{
  width:52px;
  height:52px;
  border-radius:50%;
  background:var(--primary);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:15px;
  letter-spacing:.04em;
  box-shadow:0 6px 20px rgba(181,122,69,.35);
  border:3px solid var(--bg-light);
  z-index:2;
}

/* ===== FAQ ===== */
.faq-section{
  background:var(--bg-dark);
  color:var(--text-light);
}
.faq-section .section-head h2{color:#fff}
.faq-section .section-head p{color:rgba(240,233,223,.6)}
.faq-accordion{
  max-width:880px;
  margin:0 auto;
}
.accordion-item{
  background:var(--bg-dark-card);
  border:1px solid rgba(240,233,223,.08) !important;
  border-radius:var(--radius-lg) !important;
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--transition);
}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:var(--border-dark-hover) !important;
  box-shadow:var(--shadow-dark);
}
.accordion-header{
  border-radius:var(--radius-lg) !important;
}
.accordion-button{
  background:transparent !important;
  color:var(--text-light) !important;
  font-size:16px;
  font-weight:600;
  padding:22px 28px;
  border-radius:var(--radius-lg) !important;
  box-shadow:none !important;
  display:flex;
  align-items:center;
  gap:14px;
}
.accordion-button::after{
  display:none;
}
.accordion-button .plus-icon{
  width:26px;
  height:26px;
  border-radius:50%;
  border:1.5px solid var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  color:var(--accent);
  transition:var(--transition);
  flex-shrink:0;
  font-weight:600;
}
.accordion-button:not(.collapsed) .plus-icon{
  transform:rotate(45deg);
  background:var(--primary);
  color:#fff;
}
.accordion-button:not(.collapsed){
  color:var(--accent) !important;
  border-bottom:1px solid rgba(181,122,69,.15);
}
.accordion-body{
  padding:20px 28px 26px 68px;
  color:rgba(240,233,223,.68);
  font-size:14.5px;
  line-height:1.85;
  background:var(--bg-dark-card);
}
.accordion-button:focus{
  box-shadow:none !important;
  border-color:rgba(181,122,69,.4) !important;
}

/* ===== 资讯区 ===== */
.news-section{
  background:var(--bg-light);
}
.news-row{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  max-width:960px;
  margin:0 auto;
}
.news-card{
  background:var(--bg-light-card);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  padding:26px 30px;
  display:flex;
  align-items:flex-start;
  gap:20px;
  transition:var(--transition);
  cursor:pointer;
}
.news-card:hover{
  transform:translateX(6px);
  box-shadow:var(--shadow-light);
  border-color:rgba(181,122,69,.3);
}
.news-card-icon{
  width:48px;
  height:48px;
  border-radius:12px;
  background:rgba(181,122,69,.12);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  font-size:18px;
  flex-shrink:0;
}
.news-card-content{
  flex:1;
}
.news-card-meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:8px;
  font-size:13px;
  color:var(--text-muted-light);
}
.news-card-meta .badge{
  background:rgba(181,122,69,.12);
  color:var(--primary);
  border:1px solid rgba(181,122,69,.15);
  font-size:12px;
  padding:3px 12px;
}
.news-card-content h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:6px;
  color:var(--text-dark);
  transition:var(--transition);
  font-family:var(--font-display);
}
.news-card:hover .news-card-content h3{
  color:var(--primary);
}
.news-card-content p{
  font-size:14px;
  color:var(--text-muted-light);
  margin-bottom:0;
  line-height:1.7;
}
.news-card-link{
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  display:flex;
  align-items:center;
  gap:4px;
  margin-top:10px;
  transition:var(--transition);
}
.news-card-link i{font-size:11px}
.news-card:hover .news-card-link{
  color:var(--primary-dark);
}
.news-empty{
  text-align:center;
  padding:40px;
  background:var(--bg-light-card);
  border:1px dashed rgba(181,122,69,.4);
  border-radius:var(--radius-lg);
  color:var(--text-muted-light);
  font-size:15px;
  max-width:960px;
  margin:0 auto;
}
.news-empty i{
  font-size:32px;
  color:var(--primary);
  display:block;
  margin-bottom:10px;
}

/* ===== 表单区 ===== */
.contact-section{
  background:linear-gradient(135deg,var(--bg-dark),#1C1916);
  color:var(--text-light);
  position:relative;
  overflow:hidden;
}
.contact-section::before{
  content:'';
  position:absolute;
  top:-120px;
  left:-80px;
  width:400px;
  height:400px;
  background:radial-gradient(circle,rgba(181,122,69,.14),transparent 70%);
  pointer-events:none;
}
.contact-section::after{
  content:'';
  position:absolute;
  bottom:-80px;
  right:-80px;
  width:400px;
  height:400px;
  background:radial-gradient(circle,rgba(217,160,91,.1),transparent 70%);
  pointer-events:none;
}
.contact-section .section-head h2{color:#fff}
.contact-section .section-head p{color:rgba(240,233,223,.6)}
.contact-wrap{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:32px;
  position:relative;
  z-index:1;
}
.contact-form-card,
.contact-info-card{
  background:rgba(26,24,21,.85);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-lg);
  padding:36px;
  backdrop-filter:blur(10px);
}
.contact-form-card h3,
.contact-info-card h3{
  font-size:20px;
  font-weight:700;
  color:#fff;
  margin-bottom:6px;
  font-family:var(--font-display);
}
.contact-form-card .form-sub{
  font-size:14px;
  color:rgba(240,233,223,.55);
  margin-bottom:24px;
}
.form-label{
  font-size:13px;
  color:rgba(240,233,223,.65);
  margin-bottom:8px;
  font-weight:500;
  letter-spacing:.03em;
}
.form-control{
  background:rgba(240,233,223,.06);
  border:1px solid rgba(240,233,223,.14);
  border-radius:var(--radius-sm);
  padding:12px 16px;
  color:#fff;
  font-size:14.5px;
  transition:var(--transition);
}
.form-control:focus{
  background:rgba(240,233,223,.1);
  border-color:var(--primary);
  box-shadow:none;
  color:#fff;
}
.form-control::placeholder{color:rgba(240,233,223,.35)}
textarea.form-control{
  min-height:100px;
  resize:vertical;
}
.form-select{
  background:rgba(240,233,223,.06) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23F0E9DF' d='M8 11L3 6h10z'/%3E%3C/svg%3E") no-repeat right 14px center/14px;
  border:1px solid rgba(240,233,223,.14);
  border-radius:var(--radius-sm);
  padding:12px 42px 12px 16px;
  color:#fff;
  font-size:14.5px;
  transition:var(--transition);
  appearance:none;
}
.form-select:focus{
  background-color:rgba(240,233,223,.1);
  border-color:var(--primary);
  box-shadow:none;
  color:#fff;
}
.form-select option{
  background:#1A1815;
  color:#F0E9DF;
}
.contact-info-card{
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.contact-info-item{
  display:flex;
  gap:16px;
  margin-bottom:24px;
  align-items:flex-start;
}
.contact-info-icon{
  width:44px;
  height:44px;
  border-radius:12px;
  background:rgba(181,122,69,.15);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent);
  font-size:16px;
  flex-shrink:0;
}
.contact-info-text{
  font-size:14.5px;
  color:rgba(240,233,223,.75);
  line-height:1.6;
}
.contact-info-text strong{
  display:block;
  font-size:13px;
  color:rgba(240,233,223,.45);
  margin-bottom:2px;
  letter-spacing:.04em;
  text-transform:uppercase;
  font-weight:500;
}
.qr-placeholder{
  width:110px;
  height:110px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.95);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-dark);
  font-size:13px;
  font-weight:600;
  margin-top:12px;
  position:relative;
  overflow:hidden;
}
.qr-placeholder::before{
  content:'';
  position:absolute;
  top:8px;
  left:8px;
  right:8px;
  bottom:8px;
  border:2px solid #2E241B;
  border-radius:4px;
  opacity:.15;
}

/* ===== 信任/保障 ===== */
.trust-section{
  background:var(--bg-light);
  padding:80px 0;
}
.trust-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.trust-icon{
  width:56px;
  height:56px;
  border-radius:16px;
  background:rgba(181,122,69,.1);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  color:var(--primary);
  margin-bottom:18px;
  transition:var(--transition);
}
.trust-card{
  text-align:center;
  padding:36px 24px;
  background:var(--bg-light-card);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  transition:var(--transition);
}
.trust-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-light);
  border-color:rgba(181,122,69,.2);
}
.trust-card h4{
  font-size:17px;
  font-weight:700;
  color:var(--text-dark);
  margin-bottom:8px;
}
.trust-card p{
  font-size:13.5px;
  color:var(--text-muted-light);
  margin:0;
}

/* ===== 页脚 ===== */
.footer{
  background:var(--bg-dark);
  color:var(--text-light);
  padding:80px 0 0;
  border-top:1px solid var(--border-dark);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .6fr .8fr .6fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand .logo-icon{
  margin-bottom:14px;
}
.footer-brand p{
  font-size:14px;
  color:rgba(240,233,223,.55);
  line-height:1.75;
  margin-top:14px;
  max-width:300px;
}
.footer-brand-name{
  font-size:20px;
  font-weight:700;
  font-family:var(--font-display);
  color:#fff;
}
.footer-brand-sub{
  font-size:12px;
  color:rgba(240,233,223,.45);
  letter-spacing:.12em;
  margin-top:4px;
}
.footer h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:20px;
  letter-spacing:.03em;
  font-family:var(--font-display);
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  font-size:14px;
  color:rgba(240,233,223,.55);
  transition:var(--transition);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.footer-links a i{
  font-size:10px;
  color:var(--primary);
}
.footer-links a:hover{
  color:var(--accent);
  text-decoration:none;
  transform:translateX(3px);
}
.footer-contact li{
  font-size:14px;
  color:rgba(240,233,223,.55);
  margin-bottom:12px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.footer-contact li i{
  color:var(--primary);
  margin-top:4px;
}
.footer-bottom{
  border-top:1px solid rgba(240,233,223,.08);
  padding:24px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:rgba(240,233,223,.4);
  flex-wrap:wrap;
  gap:12px;
}
.footer-bottom a{
  color:rgba(240,233,223,.6);
}
.footer-bottom a:hover{
  color:var(--accent);
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .hero-grid{
    grid-template-columns:1fr 1fr;
    gap:40px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width:991px){
  .section{padding:80px 0}
  .hero{
    padding-top:130px;
  }
  .hero-grid{
    grid-template-columns:1fr;
  }
  .hero-desc{max-width:100%}
  .metric-grid{
    grid-template-columns:repeat(4,1fr);
  }
  .compare-wrap{
    grid-template-columns:1fr;
    gap:24px;
  }
  .compare-vs span{
    width:44px;
    height:44px;
    margin:0 auto;
    transform:rotate(90deg);
  }
  .contact-wrap{
    grid-template-columns:1fr;
  }
  .trust-grid{
    grid-template-columns:1fr 1fr;
  }
  .nav-chips{
    margin:0;
    gap:6px;
  }
  .nav-cta{
    display:none;
  }
}
@media (max-width:767px){
  .section{padding:64px 0}
  .hero{padding-top:120px;padding-bottom:70px}
  .metric-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .trust-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
    padding-bottom:40px;
  }
  .nav-inner{
    flex-wrap:wrap;
  }
  .nav-logo{
    width:calc(100% - 60px);
  }
  .nav-cta{
    display:inline-flex;
    padding:8px 18px;
    font-size:13px;
  }
  .nav-chips{
    order:3;
    width:100%;
    justify-content:flex-start;
    flex-wrap:nowrap;
  }
  .chip{
    padding:6px 14px;
    font-size:13px;
  }
  .logo-text strong{
    font-size:17px;
  }
  .component-title{
    font-size:clamp(22px,2.6vw,30px);
  }
  .news-card{
    flex-direction:column;
    padding:22px;
  }
  .news-card-icon{
    width:42px;
    height:42px;
  }
  .contact-form-card,
  .contact-info-card{
    padding:26px;
  }
  .hero-cta .btn{
    padding:10px 22px;
    font-size:14px;
  }
  .hero-qualifications{
    gap:12px;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
  }
}
@media (max-width:520px){
  .container{
    padding-left:16px;
    padding-right:16px;
  }
  .hero h1{
    font-size:28px;
  }
  .metric-card{
    padding:20px 16px;
  }
  .metric-num{
    font-size:28px;
  }
  .section-head{
    margin-bottom:36px;
  }
  .section-head h2{
    font-size:22px;
  }
  .accordion-button{
    font-size:14px;
    padding:18px 18px;
  }
  .accordion-body{
    padding:16px 18px 20px 50px;
    font-size:13.5px;
  }
  .btn{
    padding:10px 22px;
    font-size:14px;
  }
}

/* roulang page: article */
:root {
  --primary: #B57A45;
  --primary-dark: #96602F;
  --primary-soft: rgba(181,122,69,0.14);
  --accent: #D9A05B;
  --accent-soft: rgba(217,160,91,0.18);
  --bg-dark: #121110;
  --bg-dark-2: #1A1815;
  --bg-light: #F5F0E8;
  --bg-card: #FDFBF7;
  --text-light: #F0E9DF;
  --text-light-dim: rgba(240,233,223,0.62);
  --text-dark: #2E241B;
  --text-dark-dim: rgba(46,36,27,0.58);
  --border-dark: rgba(181,122,69,0.22);
  --border-light: rgba(46,36,27,0.10);
  --radius-lg: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-dark: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-light: 0 4px 24px rgba(46,36,27,0.08);
  --shadow-hover: 0 14px 40px rgba(46,36,27,0.14);
  --font-display: "Noto Serif SC","Songti SC","SimSun",serif;
  --font-body: -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  --nav-h: 78px;
  --section-pad: clamp(56px, 8vw, 112px);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s ease;
}

.container {
  max-width: 1280px;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===================== Buttons ===================== */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 12px 30px;
  font-size: 15px;
  line-height: 1.4;
  border: 1px solid transparent;
  transition: all 0.3s ease;
  letter-spacing: 0.3px;
}

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

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(181,122,69,0.35);
}

.btn-primary:focus {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

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

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

.btn-lg {
  padding: 16px 40px;
  font-size: 17px;
  border-radius: 12px;
}

/* ===================== Nav ===================== */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  height: var(--nav-h);
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  background: transparent;
  border-bottom: 1px solid transparent;
}

.main-nav.nav-scrolled {
  background: rgba(18,17,16,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-dark);
  box-shadow: 0 4px 24px rgba(0,0,0,0.35);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  flex-wrap: nowrap;
  gap: 20px;
}

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

.logo-icon {
  display: inline-flex;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 21px;
  color: #fff;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 4px 14px rgba(181,122,69,0.35);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-text strong {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 1px;
}

.logo-text span {
  font-size: 11px;
  color: var(--text-light-dim);
  letter-spacing: 2px;
  margin-top: 2px;
}

.nav-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.nav-chips::-webkit-scrollbar {
  display: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  border: 1px solid transparent;
  background: transparent;
  white-space: nowrap;
  transition: all 0.28s ease;
}

.chip:hover {
  background: rgba(181,122,69,0.10);
  color: var(--accent);
  border-color: var(--border-dark);
}

.chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 600;
}

.nav-cta {
  flex-shrink: 0;
  padding: 10px 26px;
  border-radius: var(--radius-pill);
}

/* ===================== Reading Progress ===================== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 1060;
  transition: width 0.12s linear;
}

/* ===================== Article Hero ===================== */
.article-page {
  background: var(--bg-light);
}

.article-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  background: var(--bg-dark);
  overflow: hidden;
  padding: calc(var(--nav-h) + 60px) 0 70px;
}

.article-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 30%;
  transform: scale(1.05);
}

.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18,17,16,0.82) 0%, rgba(18,17,16,0.68) 55%, rgba(18,17,16,0.94) 100%);
  z-index: 1;
}

.article-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 75% 20%, rgba(181,122,69,0.18), transparent 60%);
  z-index: 1;
}

.article-hero-content {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  margin: 0 auto;
}

.breadcrumb-article {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-light-dim);
  margin-bottom: 22px;
  letter-spacing: 0.4px;
}

.breadcrumb-article a {
  color: var(--accent);
  transition: color 0.25s ease;
}

.breadcrumb-article a:hover {
  color: var(--primary);
}

.breadcrumb-article i {
  font-size: 10px;
  opacity: 0.5;
}

.breadcrumb-article .current {
  color: var(--text-light-dim);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 18px;
  background: var(--primary-soft);
  border: 1px solid var(--border-dark);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  letter-spacing: 1px;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.article-category-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.article-hero-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
  margin: 0 0 24px;
  letter-spacing: 0.5px;
  max-width: 920px;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 14px;
  color: var(--text-light-dim);
  margin-bottom: 26px;
}

.article-meta i {
  color: var(--accent);
  margin-right: 7px;
  opacity: 0.85;
}

.article-summary {
  background: rgba(255,255,255,0.05);
  border-left: 3px solid var(--primary);
  border-radius: 0 12px 12px 0;
  padding: 18px 24px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-light);
  max-width: 820px;
}

/* ===================== Article Body ===================== */
.article-section {
  background: var(--bg-light);
  padding: 56px 0 72px;
  color: var(--text-dark);
}

.article-card {
  max-width: 880px;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-light);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.article-body {
  padding: clamp(32px, 5vw, 64px);
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  margin: 48px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  line-height: 1.35;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-dark);
  margin: 36px 0 14px;
  line-height: 1.4;
}

.article-body p {
  font-size: 16px;
  line-height: 1.95;
  color: #3D3228;
  margin-bottom: 22px;
  letter-spacing: 0.2px;
}

.article-body ul,
.article-body ol {
  margin: 0 0 22px;
  padding-left: 26px;
  line-height: 1.9;
  color: #3D3228;
}

.article-body ul li,
.article-body ol li {
  margin-bottom: 8px;
}

.article-body ul li::marker {
  color: var(--primary);
}

.article-body blockquote {
  position: relative;
  margin: 32px 0;
  padding: 22px 28px 22px 40px;
  background: rgba(181,122,69,0.07);
  border-radius: 0 14px 14px 0;
  border-left: 4px solid var(--primary);
  font-size: 16px;
  line-height: 1.9;
  color: #4A3A2B;
}

.article-body blockquote::before {
  content: "\201C";
  position: absolute;
  top: 6px;
  left: 10px;
  font-family: Georgia, serif;
  font-size: 42px;
  color: var(--primary);
  opacity: 0.5;
  line-height: 1;
}

.article-body img {
  display: block;
  max-width: 840px;
  width: 100%;
  border-radius: 12px;
  margin: 28px auto;
  box-shadow: 0 4px 20px rgba(46,36,27,0.1);
}

.article-body figcaption {
  text-align: center;
  font-size: 13px;
  color: #8A7A6A;
  margin-top: -14px;
  margin-bottom: 24px;
}

.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(181,122,69,0.35);
}

.article-body a:hover {
  color: var(--primary-dark);
  text-decoration-color: var(--primary);
}

.article-body code {
  background: rgba(46,36,27,0.06);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 14px;
  color: #8A4A1A;
}

.article-body hr {
  border: 0;
  border-top: 1px solid var(--border-light);
  margin: 40px 0;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 24px clamp(32px, 5vw, 64px);
  border-top: 1px solid var(--border-light);
  align-items: center;
}

.article-tags span {
  display: inline-flex;
  padding: 6px 16px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
}

.article-tags .tag-label {
  background: transparent;
  font-weight: 600;
  padding-left: 0;
  color: var(--text-dark-dim);
  font-size: 13px;
}

/* ===================== Empty State ===================== */
.article-empty {
  text-align: center;
  padding: 90px 40px;
}

.article-empty i {
  font-size: 48px;
  color: var(--primary);
  opacity: 0.4;
  margin-bottom: 20px;
  display: block;
}

.article-empty h2 {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.article-empty p {
  color: var(--text-dark-dim);
  margin-bottom: 28px;
}

/* ===================== Related Section ===================== */
.related-section {
  background: var(--bg-light);
  padding: 0 0 clamp(56px, 7vw, 96px);
  position: relative;
}

.related-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 68%;
  height: 1px;
  background: var(--border-light);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
  padding-top: 56px;
}

.section-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  color: var(--text-dark);
  margin: 0;
  position: relative;
  padding-bottom: 14px;
}

.section-heading h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
}

.section-heading .section-sub {
  font-size: 14px;
  color: var(--text-dark-dim);
}

.related-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 28px 26px;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.related-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.related-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(181,122,69,0.35);
}

.related-card:hover::before {
  transform: scaleX(1);
}

.related-cat {
  display: inline-block;
  padding: 4px 14px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
  align-self: flex-start;
  letter-spacing: 0.5px;
}

.related-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.6;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.25s ease;
}

.related-card:hover h3 {
  color: var(--primary-dark);
}

.related-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dark-dim);
  margin: 0 0 18px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: color 0.25s ease;
}

.related-link i {
  font-size: 12px;
  transition: transform 0.3s ease;
}

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

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

.article-note {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(181,122,69,0.08);
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 13px;
  color: var(--text-dark-dim);
  margin-top: 32px;
}

.related-return {
  text-align: center;
  margin-top: 48px;
}

/* ===================== CTA ===================== */
.article-cta {
  background: var(--bg-dark);
  padding: clamp(56px, 6vw, 88px) 0;
  position: relative;
  overflow: hidden;
}

.article-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 15% 50%, rgba(181,122,69,0.16), transparent 55%);
}

.cta-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 28px;
  background: linear-gradient(120deg, rgba(181,122,69,0.12), rgba(217,160,91,0.06));
  border: 1px solid var(--border-dark);
  border-radius: 20px;
  padding: clamp(32px, 4vw, 52px);
  backdrop-filter: blur(6px);
}

.cta-text h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.cta-text p {
  font-size: 15px;
  color: var(--text-light-dim);
  margin: 0;
  letter-spacing: 0.4px;
}

/* ===================== Footer ===================== */
.footer {
  background: var(--bg-dark);
  padding: 72px 0 0;
  border-top: 1px solid var(--border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 52px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 1px;
}

.footer-brand-sub {
  font-size: 13px;
  color: var(--text-light-dim);
  margin-top: 4px;
  letter-spacing: 1px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-light-dim);
  margin: 18px 0 0;
}

.footer h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 20px;
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 10px;
}

.footer h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 26px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-links,
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li,
.footer-contact li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-light-dim);
  transition: color 0.25s ease;
}

.footer-links a i {
  font-size: 10px;
  color: var(--primary);
  margin-right: 8px;
  opacity: 0.7;
}

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

.footer-contact li {
  font-size: 14px;
  color: var(--text-light-dim);
}

.footer-contact li i {
  width: 20px;
  color: var(--primary);
  margin-right: 8px;
}

.qr-placeholder {
  width: 120px;
  height: 120px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-dark);
  border: 1px solid var(--border-light);
}

.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(240,233,223,0.4);
}

.footer-bottom a {
  color: rgba(240,233,223,0.5);
}

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

/* ===================== Responsive ===================== */
@media (max-width: 991px) {
  :root {
    --nav-h: 70px;
  }

  .nav-chips {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    margin-top: 4px;
    gap: 4px;
  }

  .main-nav {
    height: auto;
    padding-bottom: 10px;
  }

  .main-nav.nav-scrolled {
    height: auto;
  }

  .nav-inner {
    flex-wrap: wrap;
    height: auto;
    padding-top: 10px;
    gap: 8px;
  }

  .chip {
    padding: 6px 14px;
    font-size: 13px;
  }

  .nav-cta {
    margin-left: auto;
    padding: 8px 20px;
    font-size: 14px;
  }

  .article-hero {
    min-height: 460px;
    padding-top: calc(var(--nav-h) + 90px);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .article-body {
    padding: 28px 24px;
  }

  .article-tags {
    padding: 20px 24px;
  }
}

@media (max-width: 768px) {
  .article-hero {
    min-height: 400px;
    padding-bottom: 48px;
  }

  .article-hero-title {
    font-size: 28px;
    line-height: 1.35;
  }

  .article-meta {
    gap: 14px;
    font-size: 13px;
  }

  .article-summary {
    padding: 14px 18px;
    font-size: 14px;
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .related-section .section-heading {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 576px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .nav-logo .logo-text strong {
    font-size: 15px;
  }

  .logo-text span {
    font-size: 10px;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 18px;
  }

  .chip {
    padding: 6px 12px;
    font-size: 12px;
  }

  .article-body h2 {
    font-size: 23px;
  }

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

  .article-body p {
    font-size: 15px;
    line-height: 1.9;
  }

  .section-heading {
    padding-top: 44px;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }

  .related-card {
    padding: 22px 20px;
  }

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

@media (max-width: 380px) {
  .nav-inner {
    gap: 4px;
  }

  .chip {
    padding: 5px 10px;
    font-size: 11px;
  }

  .nav-cta {
    padding: 7px 16px;
    font-size: 13px;
  }
}

/* Accessible focus */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}