/* roulang page: index */
:root {
  --primary: #c8a45c;
  --primary-dark: #b8944a;
  --secondary: #1a1a1a;
  --accent: #e8d5b0;
  --bg-light: #fafaf8;
  --bg-dark: #141414;
  --text-dark: #222;
  --text-muted: #666;
  --text-light: #eee;
  --border-soft: #e0d9cc;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 6px 24px rgba(0,0,0,0.08);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.12);
  --font-title: 'Noto Serif SC', 'Georgia', 'Times New Roman', serif;
  --font-body: 'Inter', 'Segoe UI', 'Helvetica Neue', sans-serif;
  --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  background: #fff;
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* header & nav */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border-soft);
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: 0 1px 10px rgba(0,0,0,0.04);
}
.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.logo {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 1px;
}
.logo span {
  color: var(--secondary);
}
.channel-nav {
  background: var(--bg-light);
  border-top: 1px solid var(--border-soft);
  padding: 0;
}
.channel-nav .container {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  white-space: nowrap;
  padding: 10px 0;
}
.channel-nav a {
  display: inline-block;
  padding: 8px 22px;
  border-radius: 30px;
  background: #fff;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: all var(--transition);
}
.channel-nav a:hover,
.channel-nav a.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 10px rgba(200,164,92,0.25);
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--secondary);
}

/* hero */
.hero {
  background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.3) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  min-height: 560px;
  display: flex;
  align-items: center;
  color: #fff;
  position: relative;
}
.hero-content {
  max-width: 700px;
  padding: 40px 0;
}
.hero h1 {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 2px 12px rgba(0,0,0,0.4);
}
.hero p {
  font-size: 1.2rem;
  opacity: 0.92;
  margin-bottom: 32px;
  max-width: 560px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  padding: 14px 36px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 1rem;
  display: inline-block;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(200,164,92,0.35);
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 12px 28px rgba(200,164,92,0.5);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border: 2px solid #fff;
  color: #fff;
  padding: 12px 34px;
  border-radius: 40px;
  font-weight: 600;
  display: inline-block;
  transition: all var(--transition);
  margin-left: 16px;
}
.btn-outline:hover {
  background: #fff;
  color: var(--secondary);
  transform: translateY(-2px);
}

/* sections */
.section {
  padding: 80px 0;
}
.section-title {
  text-align: center;
  font-family: var(--font-title);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 16px;
}
.section-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 48px;
}

/* cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}
.card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
  border: 1px solid var(--border-soft);
}
.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.card-img {
  height: 200px;
  background: #f0ebe0;
  overflow: hidden;
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-body {
  padding: 24px;
}
.card-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--secondary);
}
.card-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* CMS list */
.cms-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.cms-item {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 20px;
  border: 1px solid var(--border-soft);
  transition: all var(--transition);
}
.cms-item:hover {
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
  border-color: var(--primary);
}
.cms-item h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  font-weight: 600;
}
.cms-item .meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.cms-item .excerpt {
  font-size: 0.9rem;
  color: #555;
}
.cms-empty {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

/* stats */
.stats-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--primary-dark);
  font-family: var(--font-title);
}
.stat-label {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 8px;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border-soft);
  padding: 20px 0;
}
.faq-question {
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--secondary);
}
.faq-answer {
  margin-top: 12px;
  color: var(--text-muted);
  display: none;
  line-height: 1.6;
}
.faq-item.open .faq-answer {
  display: block;
}
.faq-item.open .faq-question i {
  transform: rotate(180deg);
}

/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--secondary), #2a2a2a);
  color: #fff;
  text-align: center;
  padding: 80px 20px;
  border-radius: 0;
}
.cta-section h2 {
  font-family: var(--font-title);
  font-size: 2.4rem;
  margin-bottom: 20px;
}
.cta-section p {
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto 32px;
}

/* footer */
.site-footer {
  background: #0d0d0d;
  color: #aaa;
  padding: 50px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
}
.footer-col h4 {
  color: #fff;
  margin-bottom: 18px;
  font-weight: 600;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: #aaa;
  transition: color var(--transition);
}
.footer-col ul li a:hover {
  color: var(--primary);
}
.copyright {
  text-align: center;
  margin-top: 40px;
  font-size: 0.9rem;
  border-top: 1px solid #222;
  padding-top: 24px;
}

/* responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .btn-outline { margin-left: 0; margin-top: 12px; }
  .channel-nav .container { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 8px; }
  .section { padding: 50px 0; }
  .section-title { font-size: 1.9rem; }
}
@media (max-width: 520px) {
  .brand-row { flex-wrap: wrap; }
  .logo { font-size: 1.5rem; }
  .menu-toggle { display: block; }
  .channel-nav { display: none; }
  .channel-nav.mobile-open { display: block; }
  .hero { min-height: 420px; }
}

/* roulang page: article */
:root {
            --color-primary: #c8a460;
            --color-primary-dark: #a87d3a;
            --color-primary-light: #e0c88e;
            --color-accent: #d4943a;
            --color-bg: #fafaf7;
            --color-bg-dark: #1a1a1a;
            --color-bg-card: #ffffff;
            --color-bg-muted: #f5f2eb;
            --color-text: #2c2416;
            --color-text-strong: #1a1410;
            --color-text-weak: #7a7265;
            --color-text-muted: #b0a89a;
            --color-border: #e8e2d4;
            --color-border-light: #f0ebe0;
            --color-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --color-shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --color-shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
            --color-shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
            --color-overlay: rgba(20,15,8,0.55);
            --color-overlay-heavy: rgba(10,8,4,0.72);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-heading: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
            --font-body: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width-content: 780px;
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{font-family:var(--font-body);font-size:16px;line-height:1.7;color:var(--color-text);background-color:var(--color-bg);overflow-x:hidden}

        img{max-width:100%;height:auto;display:block}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        button,input,select,textarea{font-family:inherit}

        .container{max-width:1200px;margin:0 auto;padding:0 20px}
        .container-narrow{max-width:var(--max-width-content);margin:0 auto;padding:0 20px}

        /* Header - 品牌行 */
        .brand-header{background:#fff;border-bottom:1px solid var(--color-border-light);padding:16px 0;position:sticky;top:0;z-index:100;box-shadow:var(--color-shadow-sm)}
        .brand-header .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
        .brand-logo{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-size:1.35rem;font-weight:700;color:var(--color-text-strong);letter-spacing:0.02em;white-space:nowrap}
        .brand-logo .logo-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--color-primary),var(--color-accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem;flex-shrink:0}
        .brand-logo span{line-height:1.2}
        .brand-tagline{font-size:0.8rem;color:var(--color-text-weak);font-weight:400;letter-spacing:0.03em;white-space:nowrap}

        /* Header - 频道导航 */
        .channel-nav{background:var(--color-bg-muted);border-bottom:1px solid var(--color-border);padding:0;position:sticky;top:72px;z-index:99}
        .channel-nav .container{display:flex;align-items:center;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
        .channel-nav .container::-webkit-scrollbar{display:none}
        .channel-nav a{display:inline-flex;align-items:center;padding:13px 22px;font-size:0.95rem;font-weight:500;color:var(--color-text-weak);white-space:nowrap;border-bottom:3px solid transparent;transition:all var(--transition-fast);position:relative;letter-spacing:0.02em}
        .channel-nav a:hover{color:var(--color-text-strong);background:rgba(200,164,96,0.06);border-bottom-color:var(--color-primary-light)}
        .channel-nav a.active{color:var(--color-primary-dark);font-weight:600;border-bottom-color:var(--color-primary);background:rgba(200,164,96,0.08)}
        .channel-nav a i{margin-right:6px;font-size:0.85rem;opacity:0.7}

        /* Article Hero */
        .article-hero{position:relative;min-height:420px;display:flex;align-items:flex-end;padding:60px 0 50px;background-size:cover;background-position:center 30%;background-repeat:no-repeat;overflow:hidden}
        .article-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(to top,var(--color-overlay-heavy) 0%,var(--color-overlay) 40%,rgba(20,15,8,0.25) 100%);z-index:1}
        .article-hero .container{position:relative;z-index:2;width:100%}
        .article-hero-content{max-width:var(--max-width-content);margin:0 auto;text-align:center;color:#fff}
        .article-category-badge{display:inline-block;padding:6px 16px;border-radius:20px;font-size:0.82rem;font-weight:500;letter-spacing:0.04em;background:var(--color-primary);color:#fff;margin-bottom:18px;text-transform:none}
        .article-hero h1{font-family:var(--font-heading);font-size:2.4rem;font-weight:700;line-height:1.35;margin-bottom:16px;text-shadow:0 2px 12px rgba(0,0,0,0.35);letter-spacing:0.03em;color:#fff}
        .article-meta{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:18px;font-size:0.9rem;color:rgba(255,255,255,0.85)}
        .article-meta span{display:inline-flex;align-items:center;gap:5px}
        .article-meta i{font-size:0.8rem;opacity:0.8}

        /* Breadcrumb */
        .breadcrumb-wrap{padding:16px 0;background:#fff;border-bottom:1px solid var(--color-border-light)}
        .breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:0.85rem;color:var(--color-text-weak);list-style:none}
        .breadcrumb li{display:inline-flex;align-items:center;gap:6px}
        .breadcrumb a{color:var(--color-text-weak);transition:color var(--transition-fast)}
        .breadcrumb a:hover{color:var(--color-primary-dark)}
        .breadcrumb .separator{color:var(--color-text-muted);font-size:0.7rem}
        .breadcrumb .current{color:var(--color-text-strong);font-weight:500}

        /* Article Body */
        .article-main{padding:50px 0 60px;background:#fff}
        .article-body{font-size:1.05rem;line-height:1.85;color:var(--color-text)}
        .article-body h2{font-family:var(--font-heading);font-size:1.6rem;font-weight:700;color:var(--color-text-strong);margin:36px 0 16px;padding-bottom:10px;border-bottom:2px solid var(--color-border-light);letter-spacing:0.02em}
        .article-body h3{font-family:var(--font-heading);font-size:1.3rem;font-weight:600;color:var(--color-text-strong);margin:28px 0 12px}
        .article-body h4{font-family:var(--font-heading);font-size:1.1rem;font-weight:600;color:var(--color-text-strong);margin:22px 0 10px}
        .article-body p{margin-bottom:18px;text-align:justify}
        .article-body ul,.article-body ol{margin:12px 0 20px 24px}
        .article-body li{margin-bottom:8px;padding-left:4px}
        .article-body blockquote{margin:24px 0;padding:20px 28px;background:var(--color-bg-muted);border-left:4px solid var(--color-primary);border-radius:0 var(--radius-md) var(--radius-md) 0;font-style:italic;color:var(--color-text-weak)}
        .article-body img{border-radius:var(--radius-md);margin:20px auto;box-shadow:var(--color-shadow-md);max-width:100%}
        .article-body a{color:var(--color-primary-dark);text-decoration:underline;text-underline-offset:3px;transition:all var(--transition-fast)}
        .article-body a:hover{color:var(--color-accent)}
        .article-body strong{color:var(--color-text-strong);font-weight:600}
        .article-body code{background:var(--color-bg-muted);padding:2px 8px;border-radius:4px;font-size:0.9em;color:var(--color-accent)}
        .article-body pre{background:var(--color-bg-dark);color:#e8dcc8;padding:20px 24px;border-radius:var(--radius-md);overflow-x:auto;margin:20px 0;font-size:0.9rem;line-height:1.6}
        .article-body hr{border:none;height:1px;background:var(--color-border);margin:32px 0}

        /* Article Footer Meta */
        .article-footer-meta{padding:20px 0;border-top:1px solid var(--color-border-light);border-bottom:1px solid var(--color-border-light);margin:30px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:0.9rem;color:var(--color-text-weak)}
        .article-tags{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
        .article-tags span.tag{padding:5px 14px;border-radius:16px;background:var(--color-bg-muted);color:var(--color-text-weak);font-size:0.82rem;transition:all var(--transition-fast);border:1px solid transparent}
        .article-tags span.tag:hover{background:var(--color-primary-light);color:var(--color-primary-dark);border-color:var(--color-primary);cursor:default}
        .article-share{display:flex;align-items:center;gap:10px}
        .article-share a{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--color-bg-muted);color:var(--color-text-weak);transition:all var(--transition-fast);font-size:0.9rem}
        .article-share a:hover{background:var(--color-primary);color:#fff;transform:translateY(-2px);box-shadow:var(--color-shadow-md)}

        /* Not Found */
        .not-found-section{padding:80px 0;text-align:center;background:#fff}
        .not-found-section .icon-wrap{font-size:3.5rem;color:var(--color-text-muted);margin-bottom:20px}
        .not-found-section h3{font-family:var(--font-heading);font-size:1.5rem;color:var(--color-text-strong);margin-bottom:10px}
        .not-found-section p{color:var(--color-text-weak);margin-bottom:24px}
        .not-found-section .btn-back{display:inline-block;padding:12px 28px;background:var(--color-primary);color:#fff;border-radius:var(--radius-md);font-weight:500;transition:all var(--transition-base);letter-spacing:0.03em}
        .not-found-section .btn-back:hover{background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--color-shadow-md);color:#fff}

        /* Related Articles */
        .related-section{padding:60px 0 70px;background:var(--color-bg)}
        .section-label{font-size:0.85rem;text-transform:uppercase;letter-spacing:0.08em;color:var(--color-primary-dark);font-weight:600;margin-bottom:6px}
        .section-title{font-family:var(--font-heading);font-size:1.8rem;font-weight:700;color:var(--color-text-strong);margin-bottom:10px;letter-spacing:0.02em}
        .section-subtitle{color:var(--color-text-weak);margin-bottom:36px;font-size:0.95rem}
        .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
        .related-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--color-shadow-sm);transition:all var(--transition-base);border:1px solid var(--color-border-light)}
        .related-card:hover{transform:translateY(-4px);box-shadow:var(--color-shadow-lg);border-color:var(--color-border)}
        .related-card-img{height:200px;background-size:cover;background-position:center;position:relative}
        .related-card-img .card-cat{position:absolute;top:14px;left:14px;padding:4px 12px;border-radius:12px;background:var(--color-primary);color:#fff;font-size:0.75rem;font-weight:500;letter-spacing:0.03em}
        .related-card-body{padding:20px}
        .related-card-body h4{font-family:var(--font-heading);font-size:1.05rem;font-weight:600;color:var(--color-text-strong);margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .related-card-body p{font-size:0.88rem;color:var(--color-text-weak);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
        .related-card-body .read-more{font-size:0.85rem;font-weight:500;color:var(--color-primary-dark);display:inline-flex;align-items:center;gap:4px;transition:gap var(--transition-fast)}
        .related-card-body .read-more:hover{gap:8px;color:var(--color-accent)}
        .related-card-body .card-date{font-size:0.78rem;color:var(--color-text-muted);margin-bottom:8px}

        /* CTA Section */
        .cta-section{padding:60px 0;background:var(--color-bg-dark);color:#fff;text-align:center}
        .cta-section h3{font-family:var(--font-heading);font-size:1.7rem;font-weight:700;margin-bottom:12px;letter-spacing:0.02em}
        .cta-section p{color:rgba(255,255,255,0.75);margin-bottom:28px;max-width:550px;margin-left:auto;margin-right:auto;font-size:0.95rem;line-height:1.6}
        .cta-section .btn-cta{display:inline-block;padding:14px 36px;background:var(--color-primary);color:#fff;border-radius:var(--radius-md);font-weight:600;font-size:1rem;letter-spacing:0.04em;transition:all var(--transition-base);border:2px solid var(--color-primary)}
        .cta-section .btn-cta:hover{background:transparent;border-color:var(--color-primary-light);color:var(--color-primary-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(200,164,96,0.3)}
        .cta-section .btn-cta-outline{display:inline-block;padding:14px 36px;background:transparent;color:#fff;border-radius:var(--radius-md);font-weight:600;font-size:1rem;letter-spacing:0.04em;transition:all var(--transition-base);border:2px solid rgba(255,255,255,0.4);margin-left:12px}
        .cta-section .btn-cta-outline:hover{background:rgba(255,255,255,0.08);border-color:#fff;transform:translateY(-2px)}

        /* Footer */
        .site-footer{background:#111;color:#ccc;padding:50px 0 0;font-size:0.9rem}
        .footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,0.1)}
        .footer-col h4{font-family:var(--font-heading);font-size:1.05rem;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:0.03em}
        .footer-col p{color:#aaa;line-height:1.6;font-size:0.88rem}
        .footer-col ul{list-style:none;padding:0}
        .footer-col ul li{margin-bottom:8px}
        .footer-col ul li a{color:#bbb;transition:color var(--transition-fast);font-size:0.88rem}
        .footer-col ul li a:hover{color:var(--color-primary-light)}
        .copyright{text-align:center;padding:20px 0;color:#777;font-size:0.82rem;letter-spacing:0.02em}

        /* Responsive */
        @media (max-width:1024px){
            .related-grid{grid-template-columns:repeat(2,1fr);gap:20px}
            .article-hero{min-height:340px;padding:50px 0 40px}
            .article-hero h1{font-size:2rem}
            .article-body{font-size:1rem}
            .section-title{font-size:1.5rem}
            .cta-section h3{font-size:1.5rem}
        }
        @media (max-width:768px){
            .brand-header{padding:12px 0}
            .brand-logo{font-size:1.15rem}
            .brand-logo .logo-icon{width:34px;height:34px;font-size:1rem}
            .brand-tagline{font-size:0.72rem}
            .channel-nav{top:58px}
            .channel-nav a{padding:11px 15px;font-size:0.85rem}
            .article-hero{min-height:280px;padding:40px 0 30px}
            .article-hero h1{font-size:1.55rem}
            .article-meta{font-size:0.8rem;gap:10px}
            .breadcrumb-wrap{padding:12px 0}
            .breadcrumb{font-size:0.78rem}
            .article-main{padding:30px 0 40px}
            .article-body{font-size:0.95rem}
            .article-body h2{font-size:1.35rem}
            .article-body h3{font-size:1.15rem}
            .related-grid{grid-template-columns:1fr;gap:16px}
            .related-card-img{height:180px}
            .section-title{font-size:1.35rem}
            .footer-grid{grid-template-columns:1fr;gap:24px}
            .cta-section{padding:40px 0}
            .cta-section h3{font-size:1.3rem}
            .cta-section .btn-cta,.cta-section .btn-cta-outline{display:block;width:100%;margin:8px 0;text-align:center}
            .article-footer-meta{flex-direction:column;align-items:flex-start;gap:14px}
            .not-found-section{padding:50px 0}
        }
        @media (max-width:520px){
            .container{padding:0 14px}
            .container-narrow{padding:0 14px}
            .brand-header .container{flex-direction:column;align-items:flex-start;gap:6px}
            .brand-tagline{font-size:0.7rem}
            .channel-nav{top:70px}
            .channel-nav a{padding:10px 12px;font-size:0.8rem}
            .article-hero{min-height:240px;padding:30px 0 24px}
            .article-hero h1{font-size:1.3rem}
            .article-category-badge{font-size:0.72rem;padding:5px 12px}
            .article-meta{font-size:0.75rem}
            .article-body{font-size:0.9rem;line-height:1.7}
            .article-body h2{font-size:1.2rem;margin:24px 0 12px}
            .article-body blockquote{padding:14px 18px;margin:18px 0}
            .related-card-img{height:150px}
            .section-title{font-size:1.2rem}
            .site-footer{padding:30px 0 0}
        }

/* roulang page: category1 */
:root {
            --primary: #0b0f1a;
            --primary-light: #131829;
            --primary-lighter: #1a2035;
            --gold: #c9a96e;
            --gold-light: #d4b87a;
            --gold-dark: #b8934f;
            --gold-glow: #e0c68c;
            --text: #e8e6e0;
            --text-weak: #a09b90;
            --text-muted: #787368;
            --white: #ffffff;
            --border: rgba(201, 169, 110, 0.2);
            --border-light: rgba(201, 169, 110, 0.12);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.55);
            --shadow-gold: 0 4px 24px rgba(201, 169, 110, 0.15);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --transition: 0.25s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--primary);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (min-width: 1440px) {
            .container {
                max-width: 1320px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: var(--primary-light);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--gold-dark), var(--gold-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1a1a1a;
            font-weight: 900;
            flex-shrink: 0;
            box-shadow: 0 2px 10px rgba(201, 169, 110, 0.3);
        }

        .logo:hover {
            color: var(--gold-light);
        }
        .logo:hover .logo-icon {
            box-shadow: 0 4px 18px rgba(201, 169, 110, 0.5);
        }

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

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--gold-dark), var(--gold-light));
            color: #1a1a1a;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
            box-shadow: 0 2px 12px rgba(201, 169, 110, 0.25);
        }

        .btn-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(201, 169, 110, 0.4);
            color: #1a1a1a;
            background: linear-gradient(135deg, var(--gold-light), var(--gold-glow));
        }

        .btn-nav-cta:active {
            transform: translateY(0);
        }

        .channel-nav {
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .channel-nav .container {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: nowrap;
        }

        .channel-nav a {
            display: inline-flex;
            align-items: center;
            padding: 15px 22px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-weak);
            position: relative;
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.3px;
            border-bottom: 2px solid transparent;
            margin-bottom: -1px;
        }

        .channel-nav a:hover {
            color: var(--white);
            background: rgba(255, 255, 255, 0.02);
        }

        .channel-nav a.active {
            color: var(--gold-light);
            font-weight: 600;
            border-bottom-color: var(--gold);
        }

        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 30px;
            height: 3px;
            background: var(--gold);
            border-radius: 3px 3px 0 0;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            transition: color var(--transition);
        }

        .mobile-menu-toggle:hover {
            color: var(--gold-light);
        }

        @media (max-width: 768px) {
            .brand-row {
                padding: 12px 0;
            }
            .logo {
                font-size: 1.25rem;
            }
            .logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .btn-nav-cta {
                padding: 8px 16px;
                font-size: 0.82rem;
                border-radius: 20px;
            }
            .channel-nav {
                padding: 0;
            }
            .channel-nav .container {
                gap: 0;
            }
            .channel-nav a {
                padding: 12px 14px;
                font-size: 0.85rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .channel-nav.collapsed-mobile {
                display: none;
            }
            .channel-nav.mobile-open {
                display: block;
            }
            .channel-nav.mobile-open .container {
                flex-direction: column;
                align-items: stretch;
                padding: 0;
            }
            .channel-nav.mobile-open a {
                padding: 14px 20px;
                border-bottom: 1px solid var(--border-light);
                text-align: center;
            }
            .channel-nav.mobile-open a.active {
                background: rgba(201, 169, 110, 0.08);
                border-bottom-color: var(--border-light);
            }
            .channel-nav.mobile-open a.active::after {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.78rem;
            }
            .btn-nav-cta {
                padding: 7px 13px;
                font-size: 0.78rem;
            }
            .channel-nav a {
                padding: 10px 10px;
                font-size: 0.8rem;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--primary-lighter);
            overflow: hidden;
            isolation: isolate;
        }

        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.35;
            filter: brightness(0.7) saturate(0.8);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(11, 15, 26, 0.75) 0%, rgba(11, 15, 26, 0.92) 100%);
            pointer-events: none;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            text-align: center;
            width: 100%;
        }

        .page-banner .banner-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            background: rgba(201, 169, 110, 0.15);
            color: var(--gold-light);
            border: 1px solid rgba(201, 169, 110, 0.3);
            margin-bottom: 18px;
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 16px;
            letter-spacing: 0.8px;
            line-height: 1.25;
        }

        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: var(--text-weak);
            max-width: 650px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .page-banner .banner-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 10px;
        }

        .page-banner .stat-item {
            text-align: center;
        }

        .page-banner .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--gold-light);
            font-family: var(--font-heading);
            letter-spacing: 0.5px;
        }

        .page-banner .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 340px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
            .page-banner .banner-stats {
                gap: 24px;
            }
            .page-banner .stat-number {
                font-size: 1.5rem;
            }
            .page-banner .banner-content {
                padding: 40px 0;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                min-height: 300px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
                letter-spacing: 0.3px;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
                margin-bottom: 20px;
            }
            .page-banner .banner-stats {
                gap: 16px;
            }
            .page-banner .stat-number {
                font-size: 1.25rem;
            }
            .page-banner .stat-label {
                font-size: 0.75rem;
            }
            .page-banner .banner-badge {
                font-size: 0.75rem;
                padding: 5px 14px;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 70px 0;
        }

        .section-dark {
            background: var(--primary-light);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--gold-light);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-header p {
            color: var(--text-weak);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
        }

        /* ========== PLATFORM CARDS ========== */
        .platform-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .platform-card {
            background: var(--primary-lighter);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .platform-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold), var(--shadow-md);
            border-color: var(--border);
        }

        .platform-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--primary);
        }

        .platform-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .platform-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .platform-card .card-img-wrap .card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(11, 15, 26, 0.85) 100%);
            pointer-events: none;
        }

        .platform-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .platform-card .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.4px;
            background: rgba(201, 169, 110, 0.12);
            color: var(--gold-light);
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .platform-card h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .platform-card p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }

        .platform-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--gold-light);
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }

        .platform-card .card-link i {
            font-size: 0.75rem;
            transition: transform var(--transition);
        }

        .platform-card .card-link:hover {
            color: var(--gold-glow);
        }
        .platform-card .card-link:hover i {
            transform: translateX(4px);
        }

        @media (max-width: 900px) {
            .platform-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 560px) {
            .platform-cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .platform-card .card-body {
                padding: 16px 18px 18px;
            }
            .platform-card h3 {
                font-size: 1.05rem;
            }
        }

        /* ========== HOW IT WORKS / STEPS ========== */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }

        .step-item {
            text-align: center;
            position: relative;
            padding: 28px 18px;
            background: var(--primary-lighter);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            counter-increment: step;
        }

        .step-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .step-item .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-dark), var(--gold-light));
            color: #1a1a1a;
            font-weight: 700;
            font-size: 1.2rem;
            font-family: var(--font-heading);
            margin-bottom: 16px;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.3);
        }

        .step-item h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.6;
        }

        .step-connector {
            display: none;
        }

        @media (max-width: 900px) {
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .steps-list {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .step-item {
                padding: 20px 12px;
            }
            .step-item .step-number {
                width: 38px;
                height: 38px;
                font-size: 1rem;
                margin-bottom: 12px;
            }
            .step-item h4 {
                font-size: 0.95rem;
            }
            .step-item p {
                font-size: 0.8rem;
            }
        }

        /* ========== FEATURES / HIGHLIGHTS ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-item {
            display: flex;
            gap: 16px;
            padding: 22px 20px;
            background: var(--primary-lighter);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            align-items: flex-start;
        }

        .feature-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }

        .feature-icon {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            background: rgba(201, 169, 110, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--gold-light);
            transition: all var(--transition);
        }

        .feature-item:hover .feature-icon {
            background: rgba(201, 169, 110, 0.18);
            box-shadow: 0 0 20px rgba(201, 169, 110, 0.15);
        }

        .feature-text h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 4px;
        }

        .feature-text p {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.55;
            margin: 0;
        }

        @media (max-width: 900px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 560px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .feature-item {
                padding: 18px 16px;
                gap: 12px;
            }
            .feature-icon {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--primary-lighter);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-family: var(--font-body);
            letter-spacing: 0.3px;
            transition: color var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--gold-light);
            transition: all var(--transition);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: rgba(201, 169, 110, 0.22);
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.7;
            display: none;
        }

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

        @media (max-width: 520px) {
            .faq-question {
                font-size: 0.9rem;
                padding: 15px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            text-align: center;
            overflow: hidden;
            isolation: isolate;
            background: var(--primary-lighter);
        }

        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.2;
            filter: brightness(0.6);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at center, rgba(201, 169, 110, 0.06) 0%, rgba(11, 15, 26, 0.9) 70%);
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-weak);
            max-width: 550px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--gold-dark), var(--gold-light));
            color: #1a1a1a;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.4px;
            box-shadow: 0 4px 20px rgba(201, 169, 110, 0.3);
        }

        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(201, 169, 110, 0.45);
            color: #1a1a1a;
            background: linear-gradient(135deg, var(--gold-light), var(--gold-glow));
        }

        .btn-cta-large:active {
            transform: translateY(0);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .btn-cta-large {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .btn-cta-large {
                padding: 11px 24px;
                font-size: 0.85rem;
                border-radius: 25px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #080b14;
            border-top: 1px solid var(--border-light);
            padding: 50px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }

        .footer-col p {
            font-size: 0.88rem;
            line-height: 1.6;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-weak);
            transition: color var(--transition);
        }

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

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-col:first-child {
                grid-column: 1 / -1;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-col:first-child {
                grid-column: auto;
            }
            .footer-col h4 {
                font-size: 1rem;
                margin-bottom: 10px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a1a2e;
            --primary-light: #252542;
            --accent: #c8a96e;
            --accent-hover: #b8944f;
            --accent-light: #e0d3b8;
            --bg-light: #f8f7f4;
            --bg-cream: #f5f2ec;
            --bg-white: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-darker: #12121f;
            --text-dark: #2c2c2c;
            --text-body: #444444;
            --text-light: #f0f0f0;
            --text-muted: #888888;
            --text-lighter: #aaaaaa;
            --border: #e8e8e8;
            --border-light: #f0f0f0;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 4px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.10);
            --shadow-lg: 0 8px 40px rgba(0,0,0,0.14);
            --shadow-xl: 0 16px 56px rgba(0,0,0,0.18);
            --font-heading: 'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
            --font-body: 'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --max-width: 1200px;
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}
        body{font-family:var(--font-body);line-height:1.7;color:var(--text-body);background:var(--bg-white);overflow-x:hidden;min-height:100vh}
        img{max-width:100%;height:auto;display:block}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        ul,ol{list-style:none;padding:0;margin:0}
        h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);line-height:1.3;color:var(--text-dark);margin:0}
        button,input,select,textarea{font-family:inherit;font-size:inherit}
        .container{max-width:var(--max-width);margin:0 auto;padding:0 24px}
        @media(max-width:768px){.container{padding:0 16px}}

        /* ========== 顶部品牌行 ========== */
        .brand-bar{background:var(--bg-darker);padding:10px 0;font-size:13px;color:var(--text-lighter);border-bottom:1px solid rgba(255,255,255,0.06)}
        .brand-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
        .brand-bar .brand-logo{font-family:var(--font-heading);font-size:1.15rem;font-weight:700;color:var(--accent);letter-spacing:1px;white-space:nowrap}
        .brand-bar .brand-logo i{margin-right:6px;font-size:1rem}
        .brand-bar .top-links{display:flex;gap:18px;align-items:center}
        .brand-bar .top-links a{color:var(--text-lighter);font-size:12.5px;transition:color var(--transition-fast);white-space:nowrap}
        .brand-bar .top-links a:hover{color:var(--accent)}

        /* ========== 频道导航 ========== */
        .channel-nav{background:var(--bg-dark);border-bottom:2px solid rgba(200,169,110,0.25);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}
        .channel-nav .container{display:flex;align-items:center;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-top:0;padding-bottom:0}
        .channel-nav .container::-webkit-scrollbar{display:none}
        .channel-nav a{display:inline-flex;align-items:center;padding:15px 22px;font-size:14.5px;font-weight:500;color:var(--text-light);white-space:nowrap;border-bottom:3px solid transparent;margin-bottom:-2px;transition:all var(--transition-fast);letter-spacing:0.5px;position:relative}
        .channel-nav a:hover{color:var(--accent);background:rgba(255,255,255,0.03)}
        .channel-nav a.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
        .channel-nav a .nav-icon{margin-right:7px;font-size:13px;opacity:0.8}
        @media(max-width:768px){
            .channel-nav a{padding:12px 14px;font-size:13px}
            .channel-nav a .nav-icon{display:none}
        }

        /* ========== Hero 板块 ========== */
        .hero-section{position:relative;min-height:520px;display:flex;align-items:center;justify-content:center;background:var(--bg-dark) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;overflow:hidden}
        .hero-section::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,18,31,0.82) 0%,rgba(26,26,46,0.88) 60%,var(--bg-dark) 100%);z-index:1}
        .hero-section .hero-overlay-pattern{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(200,169,110,0.08) 0%,transparent 60%),radial-gradient(ellipse at 70% 30%,rgba(200,169,110,0.05) 0%,transparent 50%);z-index:2;pointer-events:none}
        .hero-section .container{position:relative;z-index:3;text-align:center;padding-top:50px;padding-bottom:50px}
        .hero-section .hero-badge{display:inline-block;padding:6px 18px;background:rgba(200,169,110,0.15);border:1px solid rgba(200,169,110,0.35);border-radius:50px;color:var(--accent);font-size:13px;font-weight:500;letter-spacing:2px;margin-bottom:22px;text-transform:uppercase}
        .hero-section h1{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:800;color:#ffffff;letter-spacing:1.5px;margin-bottom:16px;text-shadow:0 2px 12px rgba(0,0,0,0.4)}
        .hero-section h1 .highlight{color:var(--accent);position:relative}
        .hero-section .hero-subtitle{font-size:clamp(1rem,1.6vw,1.2rem);color:rgba(255,255,255,0.8);max-width:650px;margin:0 auto 32px;line-height:1.8}
        .hero-section .hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
        .hero-section .btn{padding:13px 32px;border-radius:50px;font-weight:600;font-size:15px;letter-spacing:0.8px;cursor:pointer;transition:all var(--transition-base);border:none;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
        .hero-section .btn-primary{background:var(--accent);color:#1a1a2e;box-shadow:0 6px 24px rgba(200,169,110,0.35)}
        .hero-section .btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 10px 32px rgba(200,169,110,0.45)}
        .hero-section .btn-outline{background:transparent;color:#ffffff;border:2px solid rgba(255,255,255,0.5)}
        .hero-section .btn-outline:hover{background:rgba(255,255,255,0.08);border-color:#ffffff;transform:translateY(-2px)}
        @media(max-width:768px){.hero-section{min-height:420px}.hero-section h1{font-size:1.7rem}.hero-section .hero-subtitle{font-size:0.95rem}}

        /* ========== 通用板块 ========== */
        .section{padding:70px 0}
        .section-header{text-align:center;margin-bottom:50px}
        .section-header .section-label{display:inline-block;font-size:12.5px;font-weight:600;color:var(--accent);letter-spacing:2.5px;text-transform:uppercase;margin-bottom:10px}
        .section-header h2{font-size:clamp(1.55rem,3vw,2.1rem);font-weight:700;color:var(--text-dark);margin-bottom:10px}
        .section-header .section-line{width:50px;height:3px;background:var(--accent);margin:12px auto 0;border-radius:2px}
        .section-subtitle{color:var(--text-muted);max-width:580px;margin:0 auto;font-size:15px;line-height:1.7}
        @media(max-width:768px){.section{padding:48px 0}.section-header{margin-bottom:32px}}

        /* ========== 社区特色卡片 ========== */
        .features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
        .feature-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:36px 28px 30px;text-align:center;border:1px solid var(--border);transition:all var(--transition-base);position:relative;overflow:hidden;box-shadow:var(--shadow-xs)}
        .feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent),var(--accent-hover));border-radius:var(--radius-lg) var(--radius-lg) 0 0;opacity:0;transition:opacity var(--transition-base)}
        .feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
        .feature-card:hover::before{opacity:1}
        .feature-card .card-icon-wrap{width:64px;height:64px;border-radius:50%;background:var(--bg-cream);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:26px;color:var(--accent);transition:all var(--transition-base)}
        .feature-card:hover .card-icon-wrap{background:var(--accent);color:#ffffff;transform:scale(1.08)}
        .feature-card h3{font-size:1.1rem;font-weight:700;margin-bottom:10px;color:var(--text-dark)}
        .feature-card p{font-size:14px;color:var(--text-muted);line-height:1.7}
        .feature-card .card-img{margin:0 auto 18px;border-radius:var(--radius);overflow:hidden;max-width:200px;height:130px;object-fit:cover;box-shadow:var(--shadow-sm)}
        @media(max-width:768px){.features-grid{grid-template-columns:1fr;gap:20px}.feature-card{padding:28px 20px 24px}}

        /* ========== 热门活动展示 ========== */
        .activity-showcase{background:var(--bg-light);border-radius:var(--radius-xl);overflow:hidden;display:grid;grid-template-columns:1fr 1fr;min-height:400px;box-shadow:var(--shadow-md)}
        .activity-showcase .showcase-image{position:relative;overflow:hidden;min-height:320px}
        .activity-showcase .showcase-image img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform var(--transition-slow)}
        .activity-showcase:hover .showcase-image img{transform:scale(1.05)}
        .activity-showcase .showcase-content{padding:40px 36px;display:flex;flex-direction:column;justify-content:center}
        .activity-showcase .showcase-tag{display:inline-block;padding:4px 14px;background:rgba(200,169,110,0.12);color:var(--accent);font-size:12px;font-weight:600;border-radius:50px;letter-spacing:1px;margin-bottom:14px;width:fit-content}
        .activity-showcase h3{font-size:1.5rem;font-weight:700;margin-bottom:12px;color:var(--text-dark)}
        .activity-showcase p{color:var(--text-muted);line-height:1.8;margin-bottom:20px;font-size:14.5px}
        .activity-showcase .showcase-meta{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--text-muted)}
        .activity-showcase .showcase-meta span{display:flex;align-items:center;gap:5px}
        .activity-showcase .showcase-meta i{color:var(--accent)}
        @media(max-width:768px){.activity-showcase{grid-template-columns:1fr}.activity-showcase .showcase-image{min-height:220px}.activity-showcase .showcase-content{padding:28px 20px}}

        /* ========== 社区数据统计 ========== */
        .stats-section{background:var(--bg-dark);padding:60px 0;position:relative;overflow:hidden}
        .stats-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(200,169,110,0.06) 0%,transparent 70%);pointer-events:none}
        .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1}
        .stat-item{text-align:center;padding:28px 16px;border-radius:var(--radius);background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.08);transition:all var(--transition-base)}
        .stat-item:hover{background:rgba(255,255,255,0.06);border-color:rgba(200,169,110,0.3);transform:translateY(-4px)}
        .stat-item .stat-number{font-size:clamp(2rem,3.5vw,2.8rem);font-weight:800;color:var(--accent);letter-spacing:1px;line-height:1}
        .stat-item .stat-label{font-size:14px;color:rgba(255,255,255,0.7);margin-top:8px;letter-spacing:0.5px}
        .stat-item .stat-icon{font-size:28px;color:var(--accent);margin-bottom:10px;opacity:0.7}
        @media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}.stat-item{padding:20px 12px}}

        /* ========== 加入流程 ========== */
        .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
        .steps-grid::before{content:'';position:absolute;top:36px;left:12%;right:12%;height:2px;background:var(--border);z-index:0;display:none}
        @media(min-width:769px){.steps-grid::before{display:block}}
        .step-item{text-align:center;position:relative;z-index:1;padding:0 8px}
        .step-item .step-circle{width:72px;height:72px;border-radius:50%;background:var(--bg-white);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:28px;font-weight:700;color:var(--text-muted);transition:all var(--transition-base);position:relative;box-shadow:var(--shadow-sm)}
        .step-item:hover .step-circle{border-color:var(--accent);color:var(--accent);background:var(--bg-cream);transform:scale(1.06);box-shadow:var(--shadow-md)}
        .step-item h4{font-size:1rem;font-weight:700;margin-bottom:6px;color:var(--text-dark)}
        .step-item p{font-size:13px;color:var(--text-muted);line-height:1.6}
        @media(max-width:768px){.steps-grid{grid-template-columns:repeat(2,1fr);gap:24px}.step-item .step-circle{width:56px;height:56px;font-size:22px}}

        /* ========== FAQ ========== */
        .faq-section{background:var(--bg-cream)}
        .faq-list{max-width:780px;margin:0 auto}
        .faq-item{background:var(--bg-white);border-radius:var(--radius);margin-bottom:12px;border:1px solid var(--border);overflow:hidden;transition:all var(--transition-fast);box-shadow:var(--shadow-xs)}
        .faq-item:hover{border-color:var(--accent-light);box-shadow:var(--shadow-sm)}
        .faq-question{padding:18px 24px;font-weight:600;font-size:15px;color:var(--text-dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;user-select:none;transition:color var(--transition-fast);letter-spacing:0.3px}
        .faq-question:hover{color:var(--accent)}
        .faq-question .faq-icon{font-size:18px;color:var(--accent);transition:transform var(--transition-base);flex-shrink:0}
        .faq-item.open .faq-question .faq-icon{transform:rotate(45deg)}
        .faq-answer{padding:0 24px 18px;font-size:14px;color:var(--text-muted);line-height:1.8;display:none}
        .faq-item.open .faq-answer{display:block}
        @media(max-width:768px){.faq-question{padding:15px 16px;font-size:14px}.faq-answer{padding:0 16px 15px;font-size:13px}}

        /* ========== CTA 板块 ========== */
        .cta-section{position:relative;padding:80px 0;background:var(--bg-dark) url('/assets/images/backpic/back-2.png') center/cover no-repeat;overflow:hidden}
        .cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(18,18,31,0.92) 0%,rgba(26,26,46,0.85) 100%);z-index:1}
        .cta-section .container{position:relative;z-index:2;text-align:center}
        .cta-section h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;color:#ffffff;margin-bottom:12px;letter-spacing:1px}
        .cta-section p{color:rgba(255,255,255,0.75);max-width:560px;margin:0 auto 30px;font-size:15.5px;line-height:1.8}
        .cta-section .btn-cta{padding:14px 40px;background:var(--accent);color:#1a1a2e;font-weight:700;font-size:16px;border-radius:50px;border:none;cursor:pointer;letter-spacing:1px;transition:all var(--transition-base);display:inline-flex;align-items:center;gap:8px;box-shadow:0 8px 30px rgba(200,169,110,0.4)}
        .cta-section .btn-cta:hover{background:var(--accent-hover);transform:translateY(-3px);box-shadow:0 14px 40px rgba(200,169,110,0.5)}
        @media(max-width:768px){.cta-section{padding:56px 0}}

        /* ========== Footer ========== */
        .site-footer{background:var(--bg-darker);color:rgba(255,255,255,0.7);padding:50px 0 28px;border-top:3px solid rgba(200,169,110,0.25)}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;margin-bottom:32px}
        .footer-col h4{color:#ffffff;font-size:1rem;font-weight:700;margin-bottom:14px;letter-spacing:0.5px}
        .footer-col p,.footer-col ul li{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,0.55)}
        .footer-col ul li{margin-bottom:6px}
        .footer-col ul li a{color:rgba(255,255,255,0.55);transition:color var(--transition-fast)}
        .footer-col ul li a:hover{color:var(--accent)}
        .copyright{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,0.08);font-size:12.5px;color:rgba(255,255,255,0.4);letter-spacing:0.5px}
        @media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:24px}}

        /* ========== 按钮通用 ========== */
        .btn-link-accent{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;font-size:14px;transition:all var(--transition-fast);letter-spacing:0.4px}
        .btn-link-accent:hover{color:var(--accent-hover);gap:10px}
        .btn-link-accent i{font-size:12px;transition:transform var(--transition-fast)}
        .btn-link-accent:hover i{transform:translateX(3px)}

        /* ========== 板块背景交替 ========== */
        .bg-light-alt{background:var(--bg-light)}
        .bg-cream-alt{background:var(--bg-cream)}
        .bg-white-alt{background:var(--bg-white)}

        /* ========== 全局动画 ========== */
        @keyframes fadeInUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
        .animate-in{animation:fadeInUp 0.6s ease forwards}

        /* ========== Foundation 微调 ========== */
        .grid-container{padding:0}
        @media(min-width:1200px){.grid-container{max-width:var(--max-width)}}