/* roulang page: index */
:root{
  --primary:#0b1f3a;
  --primary-light:#16355a;
  --accent:#f0a500;
  --accent-dark:#d4930a;
  --accent-light:#ffe8b3;
  --bg:#f5f7fb;
  --card-bg:#ffffff;
  --text:#17233b;
  --text-muted:#6c7d99;
  --border:#e4e9f2;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 4px 24px rgba(11,31,58,0.08);
  --shadow-lg:0 8px 40px rgba(11,31,58,0.12);
  --transition:all 0.3s ease;
  --spacing-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  color:var(--primary);
  font-weight:700;
  line-height:1.3;
}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto}
.container{max-width:1200px}
.site-header{
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:1000;
}
.navbar{padding:14px 0}
.navbar-brand{
  font-size:1.35rem;
  font-weight:800;
  color:var(--primary);
  letter-spacing:0.5px;
  display:flex;
  align-items:center;
  gap:8px;
}
.navbar-brand::before{
  content:'';
  width:28px;height:28px;
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  border-radius:8px;
  display:inline-block;
  flex-shrink:0;
}
.navbar-brand:hover{color:var(--primary)}
.navbar-nav{gap:4px}
.nav-link{
  font-weight:600;
  color:var(--text-muted);
  padding:8px 16px !important;
  border-radius:8px;
  font-size:0.95rem;
  transition:var(--transition);
}
.nav-link:hover{color:var(--primary);background:rgba(240,165,0,0.08)}
.nav-link.active{color:var(--accent-dark);background:rgba(240,165,0,0.12)}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-box{position:relative}
.search-box input{
  border:1px solid var(--border);
  border-radius:20px;
  padding:8px 16px 8px 38px;
  background:var(--bg);
  font-size:0.9rem;
  width:200px;
  transition:var(--transition);
  outline:none;
}
.search-box input:focus{
  border-color:var(--accent);
  background:#fff;
  box-shadow:0 0 0 3px rgba(240,165,0,0.15);
  width:240px;
}
.search-box i{
  position:absolute;left:14px;top:50%;
  transform:translateY(-50%);
  color:var(--text-muted);
  font-size:0.85rem;
}
.btn-primary{
  background:var(--accent);
  border-color:var(--accent);
  color:var(--primary);
  font-weight:600;
  border-radius:12px;
  padding:9px 22px;
  font-size:0.95rem;
  transition:var(--transition);
}
.btn-primary:hover{
  background:var(--accent-dark);
  border-color:var(--accent-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(240,165,0,0.35);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 10px rgba(240,165,0,0.2)}
.btn-outline-primary{
  border-color:var(--accent);
  color:var(--accent-dark);
  font-weight:600;
  border-radius:12px;
  padding:9px 22px;
  font-size:0.95rem;
  transition:var(--transition);
}
.btn-outline-primary:hover{
  background:var(--accent);
  border-color:var(--accent);
  color:var(--primary);
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(240,165,0,0.25);
}
.hero{
  position:relative;
  padding:120px 0 140px;
  background:linear-gradient(135deg,rgba(11,31,58,0.88),rgba(11,31,58,0.72)),url('/assets/images/backpic/back-1.png') center center/cover no-repeat;
  color:#fff;
  text-align:center;
}
.hero h1{
  font-size:3.2rem;
  font-weight:800;
  color:#fff;
  margin-bottom:20px;
  letter-spacing:1px;
}
.hero h1 span{color:var(--accent)}
.hero p{
  font-size:1.15rem;
  color:rgba(255,255,255,0.85);
  max-width:720px;
  margin:0 auto 36px;
  line-height:1.8;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,0.12);
  border:1px solid rgba(255,255,255,0.25);
  border-radius:30px;
  padding:8px 20px;
  font-size:0.85rem;
  color:#fff;
  margin-bottom:24px;
  backdrop-filter:blur(8px);
}
.hero-badge i{color:var(--accent)}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-hero-primary{
  background:var(--accent);
  color:var(--primary);
  font-weight:700;
  border:none;
  border-radius:14px;
  padding:14px 36px;
  font-size:1rem;
  transition:var(--transition);
  box-shadow:0 8px 30px rgba(240,165,0,0.35);
  display:inline-block;
}
.btn-hero-primary:hover{
  background:#ffb800;
  transform:translateY(-3px);
  box-shadow:0 10px 35px rgba(240,165,0,0.45);
}
.btn-hero-outline{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,0.6);
  font-weight:600;
  border-radius:14px;
  padding:14px 36px;
  font-size:1rem;
  transition:var(--transition);
  display:inline-block;
}
.btn-hero-outline:hover{
  background:rgba(255,255,255,0.12);
  border-color:#fff;
  transform:translateY(-3px);
}
.hero-trust{
  display:flex;
  gap:28px;
  justify-content:center;
  margin-top:36px;
  flex-wrap:wrap;
}
.hero-trust span{
  color:rgba(255,255,255,0.7);
  font-size:0.9rem;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.hero-trust span i{color:var(--accent)}
.hero-scroll{
  position:absolute;
  bottom:30px;
  left:50%;
  transform:translateX(-50%);
  color:rgba(255,255,255,0.6);
  font-size:1.4rem;
  animation:bounce 2s infinite;
}
@keyframes bounce{
  0%,100%{transform:translateX(-50%) translateY(0)}
  50%{transform:translateX(-50%) translateY(10px)}
}
.stats-section{
  margin-top:-70px;
  position:relative;
  z-index:10;
  padding-bottom:60px;
}
.stats-card{
  background:var(--card-bg);
  border-radius:var(--radius);
  box-shadow:var(--shadow-lg);
  padding:30px 20px;
  text-align:center;
  border:1px solid var(--border);
  transition:var(--transition);
  height:100%;
}
.stats-card:hover{
  transform:translateY(-6px);
  box-shadow:0 12px 40px rgba(11,31,58,0.14);
}
.stats-card .stat-num{
  font-size:2.4rem;
  font-weight:800;
  color:var(--primary);
  line-height:1.2;
}
.stats-card .stat-num small{
  font-size:1rem;
  color:var(--accent);
  font-weight:600;
}
.stats-card .stat-label{
  color:var(--text-muted);
  font-size:0.9rem;
  margin-top:6px;
}
.section{padding:var(--spacing-section) 0}
.section-title{
  font-size:2rem;
  font-weight:800;
  text-align:center;
  margin-bottom:14px;
  letter-spacing:0.3px;
}
.section-subtitle{
  text-align:center;
  color:var(--text-muted);
  max-width:620px;
  margin:0 auto 48px;
  font-size:1rem;
}
.features-section{background:var(--bg)}
.feature-card{
  background:var(--card-bg);
  border-radius:var(--radius);
  padding:32px 26px;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  transition:var(--transition);
  height:100%;
  position:relative;
  overflow:hidden;
}
.feature-card::after{
  content:'';
  position:absolute;
  top:0;right:0;
  width:80px;height:80px;
  background:radial-gradient(circle,rgba(240,165,0,0.12),transparent 70%);
  border-radius:50%;
  transition:var(--transition);
}
.feature-card:hover{
  transform:translateY(-6px);
  box-shadow:0 12px 36px rgba(11,31,58,0.12);
  border-color:rgba(240,165,0,0.4);
}
.feature-card:hover::after{transform:scale(1.4)}
.feature-icon{
  width:48px;height:48px;
  background:linear-gradient(135deg,rgba(240,165,0,0.15),rgba(240,165,0,0.06));
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  color:var(--accent-dark);
  margin-bottom:20px;
}
.feature-card h3{
  font-size:1.1rem;
  margin-bottom:12px;
  font-weight:700;
}
.feature-card p{
  color:var(--text-muted);
  font-size:0.92rem;
  line-height:1.7;
  margin-bottom:0;
}
.categories-section{background:#fff}
.category-card{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  display:block;
  height:360px;
  box-shadow:var(--shadow);
  transition:var(--transition);
}
.category-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--shadow-lg);
}
.category-card img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 0.6s ease;
}
.category-card:hover img{transform:scale(1.05)}
.category-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,31,58,0.05) 0%,rgba(11,31,58,0.85) 100%);
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:30px;
  color:#fff;
  transition:var(--transition);
}
.category-overlay h3{
  color:#fff;
  font-size:1.6rem;
  font-weight:700;
  margin-bottom:8px;
}
.category-overlay p{
  color:rgba(255,255,255,0.85);
  font-size:0.95rem;
  margin-bottom:16px;
}
.category-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--accent);
  color:var(--primary);
  font-weight:600;
  border-radius:10px;
  padding:10px 22px;
  font-size:0.9rem;
  transition:var(--transition);
  align-self:flex-start;
}
.category-card:hover .category-link{
  background:#fff;
  color:var(--primary);
  gap:14px;
}
.category-badge{
  position:absolute;
  top:20px;left:20px;
  background:rgba(255,255,255,0.92);
  color:var(--primary);
  font-size:0.8rem;
  font-weight:600;
  border-radius:20px;
  padding:5px 16px;
  backdrop-filter:blur(8px);
  box-shadow:0 2px 10px rgba(0,0,0,0.1);
}
.news-section{
  background:var(--bg);
  padding-top:var(--spacing-section);
  padding-bottom:var(--spacing-section);
}
.news-card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px 28px;
  margin-bottom:14px;
  transition:var(--transition);
  display:flex;
  align-items:flex-start;
  gap:16px;
}
.news-card:hover{
  box-shadow:var(--shadow);
  border-color:rgba(240,165,0,0.35);
  transform:translateY(-3px);
}
.news-icon{
  width:44px;height:44px;
  background:rgba(240,165,0,0.12);
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent-dark);
  font-size:1rem;
  flex-shrink:0;
}
.news-body{flex:1}
.news-body .badge-tag{
  display:inline-block;
  background:rgba(240,165,0,0.15);
  color:var(--accent-dark);
  font-weight:600;
  font-size:0.75rem;
  padding:4px 12px;
  border-radius:20px;
  margin-bottom:8px;
}
.news-body h3{
  font-size:1rem;
  font-weight:700;
  margin-bottom:6px;
  color:var(--text);
  line-height:1.5;
}
.news-body h3 a{color:inherit}
.news-body h3 a:hover{color:var(--accent-dark)}
.news-body p{
  color:var(--text-muted);
  font-size:0.9rem;
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  gap:20px;
  font-size:0.8rem;
  color:var(--text-muted);
}
.news-meta span{
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.news-empty{
  background:var(--card-bg);
  border:1px dashed var(--border);
  border-radius:var(--radius);
  padding:48px 24px;
  text-align:center;
  color:var(--text-muted);
  font-size:0.95rem;
}
.process-section{
  background:linear-gradient(135deg,rgba(11,31,58,0.94),rgba(11,31,58,0.85)),url('/assets/images/backpic/back-2.png') center center/cover no-repeat;
  color:#fff;
}
.process-section .section-title{color:#fff}
.process-section .section-subtitle{color:rgba(255,255,255,0.7)}
.process-step{
  text-align:center;
  padding:30px 20px;
  position:relative;
}
.process-step .step-num{
  width:54px;height:54px;
  margin:0 auto 20px;
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:1.2rem;
  color:#fff;
  box-shadow:0 8px 25px rgba(240,165,0,0.4);
}
.process-step h3{
  color:#fff;
  font-size:1.1rem;
  margin-bottom:10px;
  font-weight:700;
}
.process-step p{
  color:rgba(255,255,255,0.7);
  font-size:0.9rem;
  line-height:1.7;
}
.process-step::after{
  content:'';
  position:absolute;
  top:56px;
  right:-24px;
  width:48px;
  height:2px;
  background:rgba(240,165,0,0.4);
}
.process-step:last-child::after{display:none}
@media(max-width:991.98px){
  .process-step::after{display:none}
}
.recommend-section{background:#fff}
.recommend-card{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--border);
  background:var(--card-bg);
  box-shadow:var(--shadow);
  transition:var(--transition);
  height:100%;
  display:block;
}
.recommend-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.recommend-card img{
  width:100%;
  height:200px;
  object-fit:cover;
  transition:transform 0.5s ease;
}
.recommend-card:hover img{transform:scale(1.05)}
.recommend-body{padding:24px}
.recommend-body .tag{
  display:inline-block;
  background:rgba(240,165,0,0.12);
  color:var(--accent-dark);
  font-size:0.75rem;
  font-weight:600;
  padding:4px 12px;
  border-radius:20px;
  margin-bottom:12px;
}
.recommend-body h3{
  font-size:1rem;
  font-weight:700;
  margin-bottom:8px;
  color:var(--text);
  line-height:1.5;
}
.recommend-body h3:hover{color:var(--accent-dark)}
.recommend-body p{
  color:var(--text-muted);
  font-size:0.85rem;
  line-height:1.6;
  margin-bottom:14px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.recommend-body .meta{
  font-size:0.8rem;
  color:var(--text-muted);
}
.faq-section{background:var(--bg)}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{
  border-color:rgba(240,165,0,0.3);
  box-shadow:var(--shadow);
}
.faq-header{
  padding:20px 24px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:1rem;
}
.faq-header i{
  color:var(--accent);
  transition:transform 0.3s ease;
  font-size:0.9rem;
  flex-shrink:0;
}
.faq-item.active .faq-header i{transform:rotate(45deg)}
.faq-body{
  padding:0 24px;
  max-height:0;
  overflow:hidden;
  transition:max-height 0.4s ease,padding 0.3s ease;
}
.faq-item.active .faq-body{
  padding:0 24px 20px;
  max-height:300px;
}
.faq-body p{
  color:var(--text-muted);
  font-size:0.92rem;
  line-height:1.7;
}
.cta-section{
  background:linear-gradient(135deg,rgba(11,31,58,0.92),rgba(11,31,58,0.78)),url('/assets/images/backpic/back-3.png') center center/cover no-repeat;
  padding:90px 0;
  text-align:center;
  color:#fff;
}
.cta-section h2{
  color:#fff;
  font-size:2.2rem;
  font-weight:800;
  margin-bottom:16px;
}
.cta-section p{
  color:rgba(255,255,255,0.8);
  max-width:560px;
  margin:0 auto 36px;
  font-size:1rem;
  line-height:1.8;
}
.btn-cta{
  background:var(--accent);
  color:var(--primary);
  font-weight:700;
  border-radius:14px;
  padding:14px 48px;
  font-size:1rem;
  border:none;
  transition:var(--transition);
  display:inline-block;
  box-shadow:0 8px 30px rgba(240,165,0,0.35);
}
.btn-cta:hover{
  background:#ffb800;
  transform:translateY(-3px);
  box-shadow:0 12px 35px rgba(240,165,0,0.45);
  color:var(--primary);
}
.site-footer{
  background:var(--primary);
  color:rgba(255,255,255,0.6);
  padding:70px 0 0;
}
.footer-brand{
  font-size:1.4rem;
  font-weight:800;
  color:#fff;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand::before{
  content:'';
  width:28px;height:28px;
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  border-radius:8px;
  display:inline-block;
  flex-shrink:0;
}
.site-footer p{
  color:rgba(255,255,255,0.55);
  font-size:0.9rem;
  line-height:1.8;
  max-width:320px;
}
.site-footer h5{
  color:#fff;
  font-size:1rem;
  font-weight:700;
  margin-bottom:18px;
}
.footer-links{
  list-style:none;
  padding:0;
  margin:0;
}
.footer-links li{margin-bottom:10px}
.footer-links a{
  color:rgba(255,255,255,0.55);
  font-size:0.9rem;
  transition:var(--transition);
}
.footer-links a:hover{
  color:var(--accent);
  padding-left:4px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);
  padding:20px 0;
  margin-top:50px;
  text-align:center;
  color:rgba(255,255,255,0.35);
  font-size:0.85rem;
}
@media(max-width:991.98px){
  .navbar-nav{
    background:#fff;
    border-radius:16px;
    padding:16px;
    box-shadow:var(--shadow);
    margin-top:10px;
  }
  .nav-actions{
    margin-top:12px;
    padding:12px 16px;
    background:var(--bg);
    border-radius:12px;
    flex-wrap:wrap;
  }
  .search-box{flex:1}
  .search-box input{width:100%}
  .search-box input:focus{width:100%}
  .hero{padding:90px 0 110px}
  .hero h1{font-size:2.4rem}
  .section{padding:60px 0}
  .stats-section{margin-top:-40px}
}
@media(max-width:767.98px){
  .hero h1{font-size:1.8rem}
  .hero p{font-size:0.95rem}
  .hero-actions .btn{width:100%;text-align:center}
  .section-title{font-size:1.5rem}
  .stats-card .stat-num{font-size:1.8rem}
  .category-card{height:280px;margin-bottom:20px}
  .process-step{margin-bottom:24px}
  .cta-section h2{font-size:1.6rem}
  .cta-section .btn-cta{width:100%;text-align:center}
  .footer-bottom{padding:16px 0}
}
@media(max-width:520px){
  .search-box{width:100%}
  .navbar-brand{font-size:1.1rem}
  .hero{padding:70px 0 90px}
  .stats-card{padding:20px 12px}
  .news-card{padding:20px}
  .news-meta{flex-direction:column;gap:6px}
  .faq-header{padding:16px 18px;font-size:0.92rem}
  .faq-body{padding:0 18px}
  .faq-item.active .faq-body{padding:0 18px 16px}
}

/* roulang page: category1 */
:root {
  --primary: #0e1b2b;
  --primary-light: #1a2d42;
  --accent: #e8a03c;
  --accent-hover: #d18f2e;
  --bg: #f4f6fb;
  --bg-alt: #eef1f6;
  --card: #ffffff;
  --text: #1a2433;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 50rem;
  --shadow: 0 8px 30px rgba(15,23,42,.08);
  --shadow-lg: 0 16px 50px rgba(15,23,42,.12);
  --transition: all .3s ease;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }
section { position: relative; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 600; border-radius: var(--radius-pill); padding: 10px 24px; border: 2px solid transparent; transition: var(--transition); }
.btn-primary { background: var(--accent); color: #0e1b2b; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(232,160,60,.30); color: #0e1b2b; }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.btn-outline:hover { background: rgba(255,255,255,.14); border-color: #fff; color: #fff; transform: translateY(-2px); }
.btn-outline-dark { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline-dark:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: .9rem; }
.btn-lg { padding: 14px 34px; font-size: 1.06rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .navbar { padding: 14px 0; }
.site-header .navbar-brand {
  font-size: 1.55rem; font-weight: 800; color: var(--primary); letter-spacing: .5px;
}
.site-header .navbar-brand:hover { color: var(--accent); }
.site-header .navbar-nav { gap: 6px; }
.site-header .nav-link {
  font-weight: 600; color: var(--text-muted); padding: 8px 16px !important; border-radius: var(--radius-pill);
}
.site-header .nav-link:hover { color: var(--primary); background: var(--bg-alt); }
.site-header .nav-link.active { color: var(--primary); background: rgba(232,160,60,.14); position: relative; }
.site-header .nav-link.active::after {
  content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 3px; border-radius: 2px; background: var(--accent);
}
.nav-actions { display: flex; align-items: center; gap: 14px; }
.search-box { position: relative; display: flex; align-items: center; }
.search-box input {
  width: 190px; border: 1px solid var(--border); border-radius: var(--radius-pill);
  padding: 8px 16px 8px 38px; font-size: .9rem; background: var(--bg-alt); transition: var(--transition); color: var(--text);
}
.search-box input:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 4px rgba(232,160,60,.12); width: 220px; }
.search-box i { position: absolute; left: 15px; color: var(--text-muted); font-size: .9rem; }
.navbar-toggler { border-color: var(--border); color: var(--primary); }
.navbar-toggler:focus { box-shadow: 0 0 0 4px rgba(232,160,60,.14); }
.site-header .btn-primary { color: #0e1b2b; }

/* Page Hero */
.page-hero { padding: 88px 0 72px; background-size: cover; background-position: center; position: relative; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(14,27,43,.88) 0%, rgba(14,27,43,.68) 60%, rgba(232,160,60,.35) 100%); }
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb-wrap { display: flex; align-items: center; gap: 10px; font-size: .9rem; color: rgba(255,255,255,.8); margin-bottom: 28px; }
.breadcrumb-wrap a { color: rgba(255,255,255,.85); }
.breadcrumb-wrap a:hover { color: var(--accent); }
.breadcrumb-wrap .sep { color: rgba(255,255,255,.5); }
.page-hero h1 { font-size: 3.1rem; font-weight: 800; color: #fff; margin-bottom: 20px; line-height: 1.2; letter-spacing: .5px; }
.page-hero .lead { font-size: 1.16rem; color: rgba(255,255,255,.85); max-width: 660px; margin-bottom: 34px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* Stats */
.stats-section { padding: 72px 0 40px; }
.stats-section .stat-card {
  background: var(--card); border-radius: var(--radius); padding: 30px 24px; text-align: center;
  border: 1px solid var(--border); box-shadow: var(--shadow); transition: var(--transition); height: 100%;
}
.stats-section .stat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(232,160,60,.4); }
.stat-icon { width: 56px; height: 56px; border-radius: 16px; display: inline-flex; align-items: center; justify-content: center; font-size: 1.35rem; color: var(--accent); background: rgba(232,160,60,.14); margin-bottom: 14px; }
.stat-card h3 { font-size: 2.3rem; font-weight: 800; color: var(--primary); margin-bottom: 4px; }
.stat-card p { color: var(--text-muted); font-size: .95rem; margin: 0; font-weight: 500; }

/* Section header */
.section-header { text-align: center; margin-bottom: 48px; }
.section-header .tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(232,160,60,.14); color: var(--accent-hover); font-weight: 700; font-size: .85rem; padding: 6px 16px; border-radius: var(--radius-pill); margin-bottom: 12px; }
.section-header h2 { font-size: 2.2rem; font-weight: 800; color: var(--primary); margin-bottom: 12px; }
.section-header p { color: var(--text-muted); max-width: 700px; margin: 0 auto; font-size: 1.02rem; }

/* Sports Grid */
.sports-grid { padding: 72px 0; }
.sport-card {
  background: var(--card); border-radius: var(--radius); overflow: hidden; height: 100%;
  border: 1px solid var(--border); box-shadow: var(--shadow); transition: var(--transition);
}
.sport-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.sport-card .cover { height: 190px; overflow: hidden; position: relative; }
.sport-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.sport-card:hover .cover img { transform: scale(1.06); }
.sport-card .cover::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(14,27,43,.35), transparent); }
.sport-card .body { padding: 24px; }
.sport-card .body h3 { font-size: 1.3rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.sport-card .body p { color: var(--text-muted); font-size: .93rem; margin-bottom: 16px; line-height: 1.65; }
.sport-link { color: var(--accent-hover); font-weight: 600; font-size: .93rem; display: inline-flex; align-items: center; gap: 6px; }
.sport-link i { transition: transform .3s ease; }
.sport-link:hover { color: var(--primary); }
.sport-link:hover i { transform: translateX(4px); }

/* News */
.news-section { padding: 72px 0; background: var(--bg-alt); }
.news-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; }
.news-featured {
  position: relative; border-radius: var(--radius); overflow: hidden; min-height: 420px;
  box-shadow: var(--shadow-lg); display: flex; align-items: flex-end;
}
.news-featured img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.news-featured::before { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(to top, rgba(10,20,35,.85) 10%, rgba(10,20,35,.25) 55%, transparent); }
.news-featured .content { position: relative; z-index: 2; padding: 36px; color: #fff; width: 100%; }
.news-featured .badge-tag { background: var(--accent); color: #0e1b2b; font-size: .78rem; font-weight: 700; padding: 4px 12px; border-radius: var(--radius-pill); margin-bottom: 12px; display: inline-block; }
.news-featured h3 { font-size: 1.55rem; font-weight: 800; margin-bottom: 10px; line-height: 1.4; }
.news-featured .meta { font-size: .88rem; color: rgba(255,255,255,.7); display: flex; gap: 18px; }
.news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.news-item {
  background: var(--card); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border);
  transition: var(--transition); display: flex; flex-direction: column;
}
.news-item:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.news-item .thumb { height: 130px; overflow: hidden; }
.news-item .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-item:hover .thumb img { transform: scale(1.05); }
.news-item .body { padding: 16px 18px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.news-item .cat { font-size: .78rem; color: var(--accent-hover); font-weight: 700; }
.news-item h4 { font-size: 1.03rem; font-weight: 700; color: var(--text); line-height: 1.45; margin: 0; }
.news-item h4 a:hover { color: var(--accent-hover); }
.news-item .meta { font-size: .8rem; color: var(--text-muted); margin-top: auto; }

/* Data Service */
.data-service { padding: 88px 0; background-size: cover; background-position: center; background-color: #0e1b2b; color: #fff; }
.data-service .section-header h2 { color: #fff; }
.data-service .section-header p { color: rgba(255,255,255,.7); }
.service-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius); padding: 34px 28px; height: 100%; backdrop-filter: blur(4px); transition: var(--transition);
}
.service-card:hover { background: rgba(255,255,255,.11); transform: translateY(-6px); border-color: rgba(232,160,60,.5); }
.service-card .icon { width: 60px; height: 60px; border-radius: 18px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--accent); background: rgba(232,160,60,.18); margin-bottom: 20px; }
.service-card h3 { font-size: 1.25rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.service-card p { color: rgba(255,255,255,.72); font-size: .95rem; line-height: 1.7; }
.service-card ul { margin-top: 16px; display: grid; gap: 8px; }
.service-card ul li { color: rgba(255,255,255,.8); font-size: .9rem; padding-left: 26px; position: relative; }
.service-card ul li::before { content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; left: 0; color: var(--accent); }

/* FAQ */
.faq-section { padding: 80px 0; }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.accordion-item { border: 1px solid var(--border); border-radius: var(--radius) !important; margin-bottom: 16px; overflow: hidden; background: var(--card); box-shadow: 0 4px 16px rgba(15,23,42,.05); }
.accordion-button { font-size: 1.06rem; font-weight: 600; color: var(--text); background: var(--card); padding: 20px 24px; }
.accordion-button:not(.collapsed) { color: var(--accent-hover); background: rgba(232,160,60,.08); box-shadow: none; }
.accordion-button:focus { box-shadow: 0 0 0 4px rgba(232,160,60,.14); border-color: var(--accent); }
.accordion-button::after { background-size: 1rem; }
.accordion-body { color: var(--text-muted); padding: 0 24px 24px; font-size: .98rem; line-height: 1.8; }

/* CTA */
.cta-section { padding: 72px 0 88px; }
.cta-box {
  background: var(--primary); border-radius: 24px; padding: 64px 40px; text-align: center;
  position: relative; overflow: hidden;
}
.cta-box::before { content: ''; position: absolute; width: 380px; height: 380px; border-radius: 50%; background: rgba(232,160,60,.14); top: -160px; right: -80px; }
.cta-box::after { content: ''; position: absolute; width: 260px; height: 260px; border-radius: 50%; background: rgba(232,160,60,.1); bottom: -120px; left: -60px; }
.cta-box .container { position: relative; z-index: 2; }
.cta-box h2 { font-size: 2.3rem; font-weight: 800; color: #fff; margin-bottom: 14px; }
.cta-box p { color: rgba(255,255,255,.75); font-size: 1.08rem; margin-bottom: 30px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* Footer */
.site-footer { background: #0a1522; color: rgba(255,255,255,.75); padding: 64px 0 0; }
.site-footer .footer-brand { font-size: 1.55rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
.site-footer p { font-size: .94rem; line-height: 1.75; margin-bottom: 0; }
.site-footer h5 { color: #fff; font-size: 1.05rem; font-weight: 700; margin-bottom: 18px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: rgba(255,255,255,.7); font-size: .93rem; }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 48px; padding: 20px 0; text-align: center; font-size: .88rem; color: rgba(255,255,255,.55); }

@media (max-width: 991.98px) {
  .navbar-collapse { background: #fff; border-radius: 16px; padding: 18px; margin-top: 14px; box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
  .nav-actions { margin-top: 14px; flex-wrap: wrap; }
  .search-box input { width: 100% !important; }
  .search-box { flex: 1; min-width: 0; }
  .news-grid { grid-template-columns: 1fr; }
  .news-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
  .page-hero { padding: 60px 0 50px; }
  .page-hero h1 { font-size: 2.2rem; }
  .page-hero .lead { font-size: 1rem; }
  .section-header h2 { font-size: 1.7rem; }
  .stats-section .stat-card { padding: 22px 16px; }
  .stat-card h3 { font-size: 1.8rem; }
  .news-list { grid-template-columns: 1fr; }
  .cta-box { padding: 42px 20px; }
  .cta-box h2 { font-size: 1.8rem; }
  .hero-btns .btn { width: 100%; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .page-hero h1 { font-size: 1.8rem; }
  .page-hero .lead { font-size: .95rem; }
  .section-header h2 { font-size: 1.5rem; }
  .news-featured .content { padding: 24px; }
  .news-featured h3 { font-size: 1.25rem; }
  .accordion-button { font-size: .98rem; padding: 16px 18px; }
  .accordion-body { padding: 0 18px 18px; }
  .footer-links { gap: 8px; }
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1c2e;
            --primary-light: #1a2d44;
            --accent: #e63946;
            --accent-light: #ff6b6b;
            --bg: #f4f6f9;
            --bg-dark: #0b1420;
            --card-bg: #ffffff;
            --text: #1e2a36;
            --text-light: #6b7a8d;
            --border: #e5e9ef;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 30px rgba(15, 28, 46, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 28, 46, 0.14);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            margin: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

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

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

        button {
            border: none;
            background: none;
            cursor: pointer;
        }

        input:focus,
        button:focus,
        a:focus {
            outline: 2px solid rgba(230, 57, 70, 0.5);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 80px 0;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            border: none;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }

        .btn-primary:hover {
            background: #c72c38;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.4);
            color: #fff;
        }

        .btn-outline-light {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 20, 32, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 12px 0;
        }

        .site-header .navbar {
            padding: 0;
        }

        .navbar-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #fff 60%, rgba(255, 255, 255, 0.6));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: var(--transition);
        }

        .navbar-brand:hover {
            opacity: 0.85;
        }

        .site-header .nav-link {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 8px;
            transition: var(--transition);
        }

        .site-header .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .site-header .nav-link.active {
            color: #fff;
            background: rgba(230, 57, 70, 0.22);
            font-weight: 600;
        }

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

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 50px;
            padding: 8px 14px 8px 36px;
            color: #fff;
            font-size: 14px;
            width: 190px;
            transition: var(--transition);
        }

        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .search-box input:focus {
            width: 230px;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.14);
            outline: none;
        }

        .search-box i {
            position: absolute;
            left: 14px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            pointer-events: none;
        }

        .site-header .btn-primary {
            padding: 8px 20px;
            font-size: 14px;
        }

        .navbar-toggler {
            border-color: rgba(255, 255, 255, 0.3);
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, #0b1420 0%, var(--primary) 55%, #1a2d44 100%);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.3;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 20, 32, 0.5) 0%, rgba(11, 20, 32, 0.3) 100%);
        }

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

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 57, 70, 0.22);
            color: #f8d7da;
            border: 1px solid rgba(230, 57, 70, 0.4);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .category-hero h1 {
            color: #fff;
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .category-hero .hero-lead {
            color: rgba(255, 255, 255, 0.8);
            font-size: 18px;
            max-width: 620px;
            margin-bottom: 28px;
        }

        .hero-meta {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }

        .hero-meta .meta-item i {
            color: var(--accent-light);
            font-size: 17px;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .breadcrumb-bar .breadcrumb {
            margin: 0;
            font-size: 14px;
        }

        .breadcrumb-bar .breadcrumb a {
            color: var(--text-light);
        }

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

        .breadcrumb-bar .breadcrumb-item.active {
            color: var(--text);
            font-weight: 500;
        }

        .breadcrumb-item+.breadcrumb-item::before {
            color: var(--text-light);
        }

        /* ===== 板块标题 ===== */
        .section-head {
            margin-bottom: 44px;
            max-width: 680px;
        }

        .section-head.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .section-head .eyebrow {
            display: inline-block;
            background: rgba(230, 57, 70, 0.08);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 30px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-head p {
            color: var(--text-light);
            font-size: 15px;
            margin: 0;
            line-height: 1.7;
        }

        /* ===== 指南卡片 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .guide-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 30px 24px;
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .guide-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .guide-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

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

        .guide-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            color: var(--accent);
            background: rgba(230, 57, 70, 0.1);
        }

        .guide-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .guide-card p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== 深色流程 ===== */
        .steps-section {
            background: var(--bg-dark);
            color: #fff;
            padding: 80px 0;
        }

        .steps-section .section-head h2 {
            color: #fff;
        }

        .steps-section .section-head p {
            color: rgba(255, 255, 255, 0.55);
        }

        .steps-section .section-head .eyebrow {
            background: rgba(230, 57, 70, 0.2);
            color: var(--accent-light);
        }

        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 48px;
            position: relative;
        }

        .steps-row::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, rgba(230, 57, 70, 0.1), rgba(230, 57, 70, 0.6), rgba(230, 57, 70, 0.1));
        }

        .step-item {
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid var(--accent);
            color: var(--accent);
            font-size: 24px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            position: relative;
            z-index: 2;
            box-shadow: 0 0 0 6px rgba(230, 57, 70, 0.1);
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: #fff;
        }

        .step-item p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== 功能图文 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 56px;
        }

        .feature-block:last-child {
            margin-bottom: 0;
        }

        .feature-block.reverse {
            direction: rtl;
        }

        .feature-block.reverse>* {
            direction: ltr;
        }

        .feature-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .feature-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .feature-image:hover img {
            transform: scale(1.03);
        }

        .feature-text .feature-label {
            display: inline-block;
            background: rgba(230, 57, 70, 0.1);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 16px;
        }

        .feature-text h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .feature-text p {
            color: var(--text-light);
            font-size: 15px;
            margin-bottom: 18px;
            line-height: 1.7;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .feature-list li {
            padding: 7px 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
        }

        .feature-list li i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 6px;
        }

        /* ===== 数据指标 ===== */
        .metrics-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .metrics-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .metric-item {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius);
            background: var(--bg);
            transition: var(--transition);
        }

        .metric-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }

        .metric-item .num {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
            font-family: Georgia, "Times New Roman", serif;
        }

        .metric-item .label {
            font-size: 15px;
            color: var(--text-light);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-wrap .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
            background: #fff;
        }

        .faq-wrap .accordion-button {
            background: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            color: var(--text);
            border: none;
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            background: rgba(230, 57, 70, 0.04);
            color: var(--accent);
            box-shadow: none;
        }

        .faq-wrap .accordion-button:focus {
            box-shadow: none;
            border-color: var(--accent);
        }

        .faq-wrap .accordion-button::after {
            background-size: 14px;
            color: var(--text-light);
        }

        .faq-wrap .accordion-body {
            padding: 8px 24px 22px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--bg-dark) 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -15%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.12);
        }

        .cta-section h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto 32px;
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .site-footer .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .site-footer p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }

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

        .footer-links li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
            display: inline-block;
        }

        .footer-links a:hover {
            color: var(--accent-light);
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            margin-top: 50px;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .navbar-collapse {
                background: var(--primary);
                padding: 20px;
                border-radius: 16px;
                margin-top: 12px;
                border: 1px solid rgba(255, 255, 255, 0.08);
            }

            .navbar-nav {
                margin-bottom: 12px;
            }

            .nav-actions {
                flex-direction: row;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
            }

            .search-box input {
                width: 160px;
            }

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

            .steps-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 36px 20px;
            }

            .steps-row::before {
                display: none;
            }

            .feature-block,
            .feature-block.reverse {
                grid-template-columns: 1fr;
                gap: 24px;
                direction: ltr;
            }

            .feature-image img {
                height: 280px;
            }

            .metrics-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 767px) {
            .section,
            .steps-section {
                padding: 60px 0;
            }

            .category-hero {
                padding: 70px 0 50px;
            }

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

            .category-hero .hero-lead {
                font-size: 16px;
            }

            .hero-meta {
                gap: 16px;
            }

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

            .metrics-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .metric-item {
                padding: 24px 16px;
            }

            .metric-item .num {
                font-size: 32px;
            }

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

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

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

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .cta-buttons .btn {
                width: 100%;
                max-width: 280px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .search-box {
                display: none;
            }

            .nav-actions .btn {
                padding: 8px 16px;
                font-size: 13px;
            }
        }

/* roulang page: article */
:root {
    --primary: #d2232a;
    --primary-dark: #a91b22;
    --secondary: #171a29;
    --accent: #f5b342;
    --bg: #f6f7fb;
    --surface: #ffffff;
    --text: #171a22;
    --muted: #6b7280;
    --border: #e6e8ef;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 6px 18px rgba(23, 26, 42, .06);
    --shadow: 0 14px 36px rgba(23, 26, 42, .08);
    --shadow-lg: 0 20px 50px rgba(23, 26, 42, .13);
    --font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-family);
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

button,
input {
    font-family: inherit;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 3px solid rgba(210, 35, 42, .35);
    outline-offset: 3px;
    border-radius: 8px;
}

.container {
    max-width: 1200px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1080;
    background: rgba(21, 24, 41, .92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.navbar {
    padding: 14px 0;
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: .5px;
    color: #fff;
    line-height: 1.2;
    white-space: nowrap;
}

.navbar-brand::before {
    content: "";
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    box-shadow: 0 8px 20px rgba(210, 35, 42, .35);
}

.navbar-brand:hover {
    color: #fff;
}

.navbar-toggler {
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 12px;
    padding: 8px 10px;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 4px rgba(255, 255, 255, .18);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-width='2' stroke-linecap='round' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
    width: 1.3em;
    height: 1.3em;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, .78);
    font-weight: 600;
    font-size: .95rem;
    margin: 0 6px;
    padding: 8px 16px;
    border-radius: 10px;
    transition: background .2s ease, color .2s ease, transform .2s ease;
}

.navbar-nav .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, .1);
    transform: translateY(-1px);
}

.navbar-nav .nav-link.active {
    color: #fff;
    background: rgba(210, 35, 42, .25);
    box-shadow: inset 0 0 0 1px rgba(210, 35, 42, .35);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 50px;
    padding: 7px 16px;
    transition: background .2s ease, border-color .2s ease;
}

.search-box:focus-within {
    background: rgba(255, 255, 255, .14);
    border-color: rgba(210, 35, 42, .6);
}

.search-box input {
    background: transparent;
    border: none;
    color: #fff;
    min-width: 170px;
    font-size: .9rem;
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, .45);
}

.search-box i {
    color: rgba(255, 255, 255, .7);
    font-size: .9rem;
}

.btn {
    border-radius: 50px;
    padding: 10px 24px;
    font-weight: 600;
    transition: all .25s ease;
}

.btn-primary {
    background: var(--primary);
    border: 1px solid var(--primary);
    box-shadow: 0 8px 20px rgba(210, 35, 42, .25);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(210, 35, 42, .3);
    color: #fff;
}

.btn-light {
    background: #fff;
    border: 1px solid #fff;
    color: #171a22;
}

.btn-light:hover {
    background: rgba(255, 255, 255, .9);
    border-color: rgba(255, 255, 255, .9);
    color: #171a22;
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(0, 0, 0, .18);
}

.btn-outline-light {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .55);
    color: #fff;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, .12);
    border-color: #fff;
    color: #fff;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 7px 20px;
    font-size: .88rem;
}

.article-hero {
    position: relative;
    color: #fff;
    padding: 96px 0 84px;
    background-color: #171b2a;
    background-image: linear-gradient(120deg, rgba(20, 24, 37, .94), rgba(23, 27, 42, .72)), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    border-bottom: 4px solid rgba(210, 35, 42, .6);
}

.hero-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: .88rem;
    color: rgba(255, 255, 255, .62);
    margin-bottom: 28px;
}

.hero-breadcrumb a {
    color: rgba(255, 255, 255, .86);
    transition: color .2s ease;
}

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

.hero-breadcrumb .sep {
    margin: 0 6px;
    color: rgba(255, 255, 255, .32);
}

.article-meta-top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.article-meta-top span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, .78);
    font-size: .88rem;
}

.badge-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 50px;
    background: rgba(210, 35, 42, .22);
    border: 1px solid rgba(210, 35, 42, .4);
    color: #ffd9db;
    font-size: .82rem;
    font-weight: 700;
}

.article-hero h1 {
    font-size: clamp(1.8rem, 4.2vw, 2.9rem);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -.5px;
    max-width: 920px;
    margin: 0 0 16px;
}

.article-lead {
    max-width: 840px;
    color: rgba(255, 255, 255, .76);
    font-size: 1.02rem;
    line-height: 1.8;
    margin: 0;
}

.article-layout {
    padding: 64px 0 72px;
    background: var(--bg);
}

.article-main-card {
    background: var(--surface);
    border: 1px solid rgba(230, 232, 239, .8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 48px;
    height: 100%;
}

.article-note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px 18px;
    color: var(--muted);
    font-size: .88rem;
    margin-bottom: 32px;
}

.article-note i {
    color: var(--primary);
    font-size: 1.1rem;
    margin-top: 2px;
}

.article-body {
    font-size: 1rem;
    line-height: 2;
    color: #2c313c;
    overflow-wrap: anywhere;
}

.article-body h2,
.article-body h3,
.article-body h4 {
    font-weight: 800;
    letter-spacing: -.3px;
    color: #11141c;
    margin: 32px 0 14px;
}

.article-body h2 {
    font-size: 1.5rem;
    border-left: 4px solid var(--primary);
    padding-left: 14px;
}

.article-body h3 {
    font-size: 1.2rem;
}

.article-body p {
    margin: 0 0 18px;
}

.article-body ul,
.article-body ol {
    padding-left: 1.4rem;
    margin-bottom: 20px;
}

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

.article-body img {
    max-width: 100%;
    border-radius: 16px;
    margin: 26px 0;
    box-shadow: var(--shadow);
}

.article-body blockquote {
    background: var(--bg);
    border-left: 4px solid var(--primary);
    border-radius: 0 14px 14px 0;
    padding: 16px 22px;
    margin: 24px 0;
    color: var(--muted);
    font-style: normal;
}

.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 4px;
}

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

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 26px 0;
    font-size: .92rem;
}

.article-body th,
.article-body td {
    border: 1px solid var(--border);
    padding: 10px 14px;
    text-align: left;
}

.article-body th {
    background: var(--bg);
    font-weight: 700;
}

.article-body code {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2px 8px;
    font-size: .88rem;
}

.article-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    border-top: 1px solid var(--border);
    margin-top: 40px;
    padding-top: 26px;
}

.btn-light-outline {
    background: #fff;
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 50px;
    padding: 8px 18px;
    font-weight: 600;
    transition: all .2s ease;
}

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

.back-home {
    color: var(--muted);
    font-weight: 600;
    transition: color .2s ease;
}

.back-home:hover {
    color: var(--primary);
}

.article-sidebar {
    align-self: start;
    position: sticky;
    top: 104px;
}

.sidebar-card {
    background: var(--surface);
    border: 1px solid rgba(230, 232, 239, .8);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    padding: 26px;
    margin-bottom: 24px;
}

.sidebar-card h5 {
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 14px;
    color: #11141c;
}

.sidebar-card p {
    color: var(--muted);
    font-size: .9rem;
    margin-bottom: 16px;
    line-height: 1.8;
}

.text-link {
    color: var(--primary);
    font-weight: 600;
    font-size: .88rem;
}

.text-link:hover {
    text-decoration: underline;
    color: var(--primary-dark);
}

.sidebar-image-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.sidebar-image-card img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.sidebar-image-overlay {
    position: absolute;
    inset: auto 0 0 0;
    padding: 18px;
    background: linear-gradient(to top, rgba(0, 0, 0, .78), transparent);
    color: #fff;
}

.sidebar-image-overlay span {
    display: block;
    font-size: .78rem;
    opacity: .85;
    margin-bottom: 4px;
}

.sidebar-image-overlay strong {
    display: block;
    font-size: 1rem;
    font-weight: 700;
}

.sidebar-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-links li {
    border-bottom: 1px dashed var(--border);
}

.sidebar-links li:last-child {
    border-bottom: none;
}

.sidebar-links a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
    color: #2c313c;
    font-weight: 600;
    font-size: .92rem;
    transition: color .2s ease, transform .2s ease;
}

.sidebar-links a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.sidebar-links i {
    color: var(--primary);
    width: 20px;
    text-align: center;
}

.feature-band {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 72px 0;
}

.section-head {
    max-width: 680px;
    margin-bottom: 40px;
}

.section-head.text-center {
    margin-left: auto;
    margin-right: auto;
}

.section-eyebrow {
    color: var(--primary);
    font-size: .82rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.section-head h2 {
    font-size: clamp(1.7rem, 3.2vw, 2.3rem);
    font-weight: 800;
    letter-spacing: -.5px;
    color: #11141c;
    margin-bottom: 12px;
}

.section-head p:last-child {
    color: var(--muted);
    margin-bottom: 0;
}

.feature-item {
    display: flex;
    gap: 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 24px;
    height: 100%;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(210, 35, 42, .2);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    flex: 0 0 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-size: 1.25rem;
    box-shadow: 0 8px 18px rgba(210, 35, 42, .22);
}

.feature-item h3 {
    font-size: 1rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.feature-item p {
    color: var(--muted);
    font-size: .88rem;
    line-height: 1.7;
    margin: 0;
}

.related-section {
    background: var(--bg);
    padding: 80px 0;
}

.related-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    height: 100%;
    color: inherit;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(210, 35, 42, .18);
    color: inherit;
}

.related-cover {
    position: relative;
    overflow: hidden;
}

.related-cover img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    transition: transform .35s ease;
}

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

.related-cover .chip {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(255, 255, 255, .92);
    color: var(--primary);
}

.chip {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    background: rgba(210, 35, 42, .08);
    color: var(--primary);
    font-size: .78rem;
    font-weight: 700;
}

.related-body {
    padding: 24px;
}

.related-body h3 {
    font-size: 1.1rem;
    font-weight: 800;
    margin: 12px 0 8px;
    line-height: 1.4;
}

.related-body p {
    color: var(--muted);
    font-size: .88rem;
    margin-bottom: 18px;
    line-height: 1.7;
}

.related-link {
    font-size: .86rem;
    font-weight: 700;
    color: var(--primary);
}

.related-link i {
    transition: transform .2s ease;
}

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

.cta-band {
    position: relative;
    color: #fff;
    padding: 84px 0;
    background-color: #141825;
    background-image: linear-gradient(120deg, rgba(20, 24, 37, .96), rgba(30, 34, 52, .85)), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
}

.cta-inner {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
}

.cta-inner h2 {
    font-size: clamp(1.8rem, 3.4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -.5px;
    margin-bottom: 16px;
}

.cta-inner p {
    color: rgba(255, 255, 255, .76);
    font-size: 1.05rem;
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
}

.site-footer {
    background: #161927;
    color: #aab0c0;
    padding: 70px 0 0;
    font-size: .92rem;
}

.footer-brand {
    color: #fff;
    font-size: 1.45rem;
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: .5px;
}

.site-footer h5 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 18px;
}

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

.footer-links li {
    margin-bottom: 10px;
    color: #aab0c0;
}

.footer-links a {
    color: #aab0c0;
    transition: color .2s ease, padding-left .2s ease;
}

.footer-links a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    margin-top: 48px;
    padding: 18px 0;
    color: #7d8498;
    font-size: .86rem;
    text-align: center;
}

.notfound-main {
    min-height: 64vh;
    padding: 86px 0;
}

.notfound-box {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 56px 40px;
}

.notfound-icon {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    background: rgba(210, 35, 42, .1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    margin: 0 auto 22px;
}

.notfound-box h1 {
    font-size: 1.9rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.notfound-box p {
    color: var(--muted);
    margin-bottom: 28px;
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        padding: 18px 0;
    }

    .navbar-nav {
        margin: 18px 0 0 !important;
        width: 100%;
    }

    .nav-item .nav-link {
        padding: 10px 14px;
    }

    .nav-actions {
        width: 100%;
        margin-top: 16px;
    }

    .search-box {
        flex: 1;
    }

    .article-layout {
        padding: 48px 0 56px;
    }

    .article-sidebar {
        position: static;
        margin-top: 12px;
    }
}

@media (max-width: 767.98px) {
    .article-hero {
        padding: 68px 0 56px;
    }

    .article-hero h1 {
        font-size: 1.7rem;
    }

    .article-main-card {
        padding: 32px 24px;
    }

    .feature-band,
    .related-section,
    .cta-band {
        padding: 58px 0;
    }

    .section-head {
        margin-bottom: 28px;
    }
}

@media (max-width: 575.98px) {
    .navbar-brand {
        font-size: 1.15rem;
    }

    .search-box input {
        min-width: 100px;
        width: 100%;
    }

    .article-hero h1 {
        font-size: 1.45rem;
    }

    .article-lead {
        font-size: .95rem;
    }

    .article-main-card {
        padding: 24px 18px;
    }

    .article-body {
        font-size: .95rem;
    }

    .feature-item {
        flex-direction: column;
        padding: 20px;
    }

    .feature-icon {
        width: 46px;
        height: 46px;
        flex-basis: 46px;
        font-size: 1.05rem;
    }

    .related-body {
        padding: 18px;
    }

    .cta-actions {
        gap: 10px;
    }

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

    .notfound-box {
        padding: 40px 24px;
    }

    .notfound-box h1 {
        font-size: 1.5rem;
    }
}