/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0f1a3a;
  --primary-light: #1a2a6c;
  --primary-mid: #2d4a8e;
  --secondary: #c9a84c;
  --secondary-light: #e8d48b;
  --secondary-dark: #a8872e;
  --accent: #e85d3a;
  --bg: #f5f6fa;
  --bg-card: #ffffff;
  --bg-dark: #0b132b;
  --text: #2c3e50;
  --text-light: #6b7a8f;
  --text-white: #f0f2f5;
  --border: #dfe3e8;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.07);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.13);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.18);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --max-width: 1200px;
  --header-h: 72px;
}
/* ===== Reset & Base ===== */
*, *::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;
}
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--secondary); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--primary); font-weight: 700; }
h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; margin-bottom: 1rem; }
h3 { font-size: 1.4rem; margin-bottom: 0.6rem; }
p { margin-bottom: 1rem; color: var(--text-light); }
/* ===== 容器 ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 32px; border-radius: 50px;
  font-weight: 600; font-size: 1rem; cursor: pointer; transition: var(--transition);
  border: 2px solid transparent; text-align: center; justify-content: center;
}
.btn-primary { background: var(--secondary); color: var(--primary); border-color: var(--secondary); }
.btn-primary:hover { background: var(--secondary-dark); border-color: var(--secondary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(201,168,76,0.35); }
.btn-outline { background: transparent; color: var(--text-white); border-color: rgba(255,255,255,0.4); }
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: var(--secondary); color: var(--secondary); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { background: var(--secondary); color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,0.12); }
/* ===== 标签/徽章 ===== */
.badge {
  display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 600;
  background: rgba(201,168,76,0.15); color: var(--secondary-dark); letter-spacing: 0.3px;
}
.badge-primary { background: rgba(26,42,108,0.1); color: var(--primary-light); }
.badge-accent { background: rgba(232,93,58,0.12); color: var(--accent); }
/* ===== 卡片 ===== */
.card {
  background: var(--bg-card); border-radius: var(--radius); padding: 28px 24px;
  box-shadow: var(--shadow); transition: var(--transition); border: 1px solid transparent;
}
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: rgba(201,168,76,0.2); }
/* ===== 分隔线 ===== */
.divider { width: 60px; height: 3px; background: var(--secondary); border-radius: 4px; margin: 0.6rem 0 1.2rem; }
/* ===== Header / Nav ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--header-h);
  background: rgba(15,26,58,0.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06); transition: var(--transition);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 800; color: #fff; letter-spacing: 1px; }
.logo i { color: var(--secondary); font-size: 1.8rem; }
.logo span { background: linear-gradient(135deg, #fff 60%, var(--secondary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  padding: 8px 18px; border-radius: 50px; font-size: 0.95rem; font-weight: 500;
  color: rgba(255,255,255,0.7); transition: var(--transition); position: relative;
}
.nav a:hover, .nav a.active { color: #fff; background: rgba(255,255,255,0.08); }
.nav a.active { color: var(--secondary); background: rgba(201,168,76,0.12); }
.nav .btn { padding: 8px 22px; font-size: 0.9rem; margin-left: 8px; }
.mobile-toggle { display: none; background: none; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 4px; }
/* ===== Hero ===== */
.hero {
  min-height: 92vh; display: flex; align-items: center; position: relative; overflow: hidden;
  background: var(--bg-dark); padding-top: var(--header-h);
}
.hero-bg {
  position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: 0.35; transform: scale(1.05); filter: saturate(0.7);
}
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(11,19,43,0.88) 30%, rgba(15,26,58,0.6) 70%, rgba(201,168,76,0.08) 100%); }
.hero .container { position: relative; z-index: 2; text-align: center; padding: 60px 24px; }
.hero h1 { font-size: 3.6rem; font-weight: 800; color: #fff; margin-bottom: 0.8rem; line-height: 1.2; }
.hero h1 i { color: var(--secondary); font-style: normal; }
.hero .subtitle { font-size: 1.3rem; color: rgba(255,255,255,0.7); max-width: 680px; margin: 0 auto 2rem; font-weight: 300; }
.hero .hero-badges { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 2.2rem; }
.hero .hero-badges .badge { background: rgba(255,255,255,0.08); color: var(--text-white); font-size: 0.9rem; padding: 6px 20px; backdrop-filter: blur(4px); }
.hero .btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.hero .scroll-down { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,0.3); font-size: 1.6rem; animation: bounce 2s infinite; }
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(10px)} }
/* ===== 板块通用 ===== */
.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 3rem; }
.section-title h2 { position: relative; display: inline-block; }
.section-title h2::after { content: ''; display: block; width: 50px; height: 3px; background: var(--secondary); margin: 12px auto 0; border-radius: 4px; }
.section-title p { max-width: 600px; margin: 0.6rem auto 0; font-size: 1.1rem; }
.section-bg-alt { background: var(--bg-card); }
.section-bg-dark { background: var(--bg-dark); color: var(--text-white); }
.section-bg-dark h2, .section-bg-dark h3 { color: #fff; }
.section-bg-dark p { color: rgba(255,255,255,0.7); }
/* ===== 关于板块 ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
.about-image img { width: 100%; height: 400px; object-fit: cover; }
.about-image .about-tag { position: absolute; bottom: 20px; left: 20px; background: var(--secondary); color: var(--primary); padding: 6px 18px; border-radius: 50px; font-weight: 700; font-size: 0.9rem; }
.about-content .divider { margin-left: 0; }
.about-content ul { margin-top: 1rem; }
.about-content ul li { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 12px; color: var(--text-light); }
.about-content ul li i { color: var(--secondary); font-size: 1.1rem; margin-top: 3px; }
/* ===== 服务卡片 ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card { text-align: center; padding: 36px 24px; }
.service-card .icon { width: 68px; height: 68px; margin: 0 auto 18px; background: linear-gradient(135deg, rgba(201,168,76,0.12), rgba(201,168,76,0.04)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; color: var(--secondary); transition: var(--transition); }
.service-card:hover .icon { background: var(--secondary); color: var(--primary); transform: scale(1.08); }
.service-card h3 { font-size: 1.25rem; }
.service-card p { font-size: 0.95rem; }
/* ===== 资讯列表 ===== */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.news-card { display: flex; gap: 20px; padding: 20px; align-items: flex-start; }
.news-card .news-thumb { width: 120px; height: 90px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; background: #e8ecf1; }
.news-card .news-body { flex: 1; min-width: 0; }
.news-card .news-body h4 { font-size: 1.05rem; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .news-body h4 a { color: var(--primary); }
.news-card .news-body h4 a:hover { color: var(--secondary); }
.news-card .news-meta { display: flex; align-items: center; gap: 14px; font-size: 0.85rem; color: var(--text-light); margin-top: 6px; }
.news-card .news-meta .badge { font-size: 0.7rem; padding: 2px 12px; }
.news-empty { grid-column: 1 / -1; text-align: center; padding: 40px; color: var(--text-light); font-size: 1.1rem; background: var(--bg-card); border-radius: var(--radius); }
/* ===== 数据统计 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.stat-card { text-align: center; padding: 32px 16px; background: rgba(255,255,255,0.04); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.06); backdrop-filter: blur(4px); }
.stat-card .number { font-size: 2.8rem; font-weight: 800; color: var(--secondary); line-height: 1.2; }
.stat-card .label { font-size: 1rem; color: rgba(255,255,255,0.7); margin-top: 6px; }
.stat-card .icon { font-size: 1.6rem; color: rgba(255,255,255,0.15); margin-bottom: 8px; }
/* ===== 流程步骤 ===== */
.steps { display: flex; justify-content: space-between; gap: 20px; position: relative; counter-reset: step; }
.steps::before { content: ''; position: absolute; top: 40px; left: 10%; right: 10%; height: 2px; background: var(--border); z-index: 0; }
.step-item { flex: 1; text-align: center; position: relative; z-index: 1; background: var(--bg); padding: 20px 12px; border-radius: var(--radius); }
.section-bg-alt .step-item { background: var(--bg-card); }
.step-item .step-num { width: 52px; height: 52px; margin: 0 auto 14px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.3rem; border: 3px solid var(--secondary); }
.step-item h4 { font-size: 1.1rem; }
.step-item p { font-size: 0.9rem; }
/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); padding: 18px 0; }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question { display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; font-size: 1.05rem; color: var(--primary); padding: 4px 0; }
.faq-question i { color: var(--secondary); transition: var(--transition); font-size: 1.1rem; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding: 0 20px 0 0; color: var(--text-light); font-size: 0.95rem; }
.faq-item.active .faq-answer { max-height: 200px; padding-top: 12px; }
/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-light) 100%); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.08; }
.cta-content { position: relative; z-index: 1; text-align: center; padding: 60px 20px; }
.cta-content h2 { color: #fff; font-size: 2.4rem; }
.cta-content p { color: rgba(255,255,255,0.7); max-width: 560px; margin: 0.6rem auto 2rem; font-size: 1.1rem; }
.cta-content .btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
/* ===== Footer ===== */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.6); padding: 50px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.5); max-width: 280px; }
.footer h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; font-weight: 600; }
.footer ul li { margin-bottom: 10px; }
.footer ul li a { color: rgba(255,255,255,0.5); font-size: 0.9rem; }
.footer ul li a:hover { color: var(--secondary); }
.footer .social-links { display: flex; gap: 14px; margin-top: 16px; }
.footer .social-links a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.5); font-size: 1.1rem; transition: var(--transition); }
.footer .social-links a:hover { background: var(--secondary); color: var(--primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,0.35); }
/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  h1 { font-size: 2.4rem; }
  .hero h1 { font-size: 2.8rem; }
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header .container { padding: 0 16px; }
  .nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: rgba(11,19,43,0.98); backdrop-filter: blur(14px); flex-direction: column; padding: 20px; gap: 6px; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav.open { display: flex; }
  .mobile-toggle { display: block; }
  .hero { min-height: 80vh; }
  .hero h1 { font-size: 2rem; }
  .hero .subtitle { font-size: 1rem; }
  .section { padding: 50px 0; }
  h2 { font-size: 1.8rem; }
  .services-grid { grid-template-columns: 1fr; gap: 20px; }
  .news-card { flex-direction: column; }
  .news-card .news-thumb { width: 100%; height: 160px; }
  .steps { flex-direction: column; gap: 16px; }
  .steps::before { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-content h2 { font-size: 1.8rem; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 1.6rem; }
  .hero .hero-badges .badge { font-size: 0.75rem; padding: 4px 14px; }
  .btn { padding: 10px 22px; font-size: 0.9rem; }
  .stat-card .number { font-size: 2rem; }
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
    :root {
      --primary: #1a3a5c;
      --primary-light: #2a5a8c;
      --primary-dark: #0f2440;
      --secondary: #c8953c;
      --secondary-light: #e0b060;
      --secondary-dark: #a87a2e;
      --accent: #e8d5b0;
      --bg-light: #f9f7f4;
      --bg-dark: #1a2a3a;
      --bg-card: #ffffff;
      --text-dark: #1e2a3a;
      --text-body: #3a4a5a;
      --text-muted: #7a8a9a;
      --text-light: #f0ece6;
      --border: #e5e0da;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-xl: 28px;
      --shadow-sm: 0 2px 8px rgba(26, 58, 92, 0.06);
      --shadow-md: 0 8px 30px rgba(26, 58, 92, 0.10);
      --shadow-lg: 0 16px 48px rgba(26, 58, 92, 0.14);
      --shadow-glow: 0 4px 20px rgba(200, 149, 60, 0.25);
      --font-sans: 'Segoe UI', 'PingFang SC', Roboto, 'Helvetica Neue', sans-serif;
      --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --max-width: 1200px;
      --header-h: 72px;
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.7;
      color: var(--text-body);
      background: var(--bg-light);
      padding-top: var(--header-h);
    }
    a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--secondary); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
    ul, ol { list-style: none; }
    button, input, textarea { font-family: inherit; font-size: 1rem; }
    .container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }
    .section-pad { padding: 80px 0; }
    .section-title {
      font-size: 2.2rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .section-sub {
      font-size: 1.1rem;
      color: var(--text-muted);
      max-width: 640px;
      margin-bottom: 48px;
    }
    .text-center { text-align: center; }
    .mx-auto { margin-left: auto; margin-right: auto; }
    .badge {
      display: inline-block;
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 600;
      background: var(--accent);
      color: var(--primary-dark);
      letter-spacing: 0.3px;
    }
    .badge-gold {
      background: var(--secondary);
      color: #fff;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: 40px;
      font-weight: 600;
      font-size: 0.95rem;
      border: none;
      cursor: pointer;
      transition: var(--transition);
      background: var(--primary);
      color: #fff;
    }
    .btn:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); color: #fff; }
    .btn-secondary {
      background: var(--secondary);
      color: #fff;
    }
    .btn-secondary:hover { background: var(--secondary-dark); color: #fff; }
    .btn-outline {
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
    }
    .btn-outline:hover { background: var(--primary); color: #fff; }
    .btn-sm { padding: 8px 20px; font-size: 0.85rem; }
    .btn-lg { padding: 16px 36px; font-size: 1.05rem; }

    /* ===== Header & Navigation ===== */
    .header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      height: var(--header-h);
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }
    .header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.3px;
    }
    .logo i { color: var(--secondary); font-size: 1.6rem; }
    .logo span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .logo:hover span { -webkit-text-fill-color: var(--secondary); }
    .nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav a {
      padding: 8px 18px;
      border-radius: 30px;
      font-weight: 500;
      font-size: 0.92rem;
      color: var(--text-body);
      transition: var(--transition);
      position: relative;
    }
    .nav a i { margin-right: 6px; font-size: 0.85rem; color: var(--text-muted); transition: var(--transition); }
    .nav a:hover { background: var(--accent); color: var(--primary); }
    .nav a:hover i { color: var(--secondary); }
    .nav a.active {
      background: var(--primary);
      color: #fff;
      box-shadow: var(--shadow-sm);
    }
    .nav a.active i { color: var(--secondary-light); }
    .nav .btn { padding: 8px 22px; font-size: 0.88rem; }
    .nav .btn i { color: #fff; }
    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.6rem;
      color: var(--primary);
      cursor: pointer;
      padding: 4px 8px;
    }

    /* ===== Hero Banner ===== */
    .hero-category {
      position: relative;
      min-height: 420px;
      display: flex;
      align-items: center;
      background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
      overflow: hidden;
      padding: 60px 0;
    }
    .hero-category::before {
      content: '';
      position: absolute;
      inset: 0;
      background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
      opacity: 0.18;
      mix-blend-mode: overlay;
    }
    .hero-category::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 120px;
      background: linear-gradient(to top, var(--bg-light), transparent);
    }
    .hero-category .container {
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      gap: 48px;
    }
    .hero-category-text { flex: 1.2; }
    .hero-category-text .badge { margin-bottom: 16px; }
    .hero-category-text h1 {
      font-size: 3rem;
      font-weight: 800;
      color: #fff;
      line-height: 1.2;
      margin-bottom: 18px;
      letter-spacing: -1px;
    }
    .hero-category-text p {
      font-size: 1.15rem;
      color: rgba(255, 255, 255, 0.85);
      max-width: 560px;
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .hero-category-text .btn-group { display: flex; gap: 14px; flex-wrap: wrap; }
    .hero-category-visual {
      flex: 0.8;
      display: flex;
      justify-content: center;
      align-items: center;
    }
    .hero-category-visual img {
      width: 100%;
      max-width: 460px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      transform: perspective(800px) rotateY(-4deg);
      transition: var(--transition);
      border: 2px solid rgba(255, 255, 255, 0.15);
    }
    .hero-category-visual img:hover { transform: perspective(800px) rotateY(0deg); }

    /* ===== Card Grid ===== */
    .card-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .card-item {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      border: 1px solid var(--border);
      display: flex;
      flex-direction: column;
    }
    .card-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--secondary); }
    .card-item .card-img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-radius: 0;
    }
    .card-item .card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
    .card-item .card-body .badge { align-self: flex-start; margin-bottom: 10px; }
    .card-item .card-body h3 { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; line-height: 1.4; }
    .card-item .card-body p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.6; flex: 1; margin-bottom: 16px; }
    .card-item .card-footer { padding: 0 24px 20px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); padding-top: 16px; margin: 0 24px; }
    .card-item .card-footer .meta { font-size: 0.82rem; color: var(--text-muted); }
    .card-item .card-footer .meta i { margin-right: 4px; color: var(--secondary); }

    /* ===== Featured Section ===== */
    .featured-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
      align-items: center;
    }
    .featured-img img {
      width: 100%;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
    }
    .featured-content h2 { font-size: 2rem; color: var(--primary); margin-bottom: 16px; }
    .featured-content p { font-size: 1.02rem; color: var(--text-body); line-height: 1.8; margin-bottom: 20px; }
    .featured-list { margin-bottom: 24px; }
    .featured-list li { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
    .featured-list li:last-child { border-bottom: none; }
    .featured-list li i { color: var(--secondary); font-size: 1.1rem; margin-top: 3px; flex-shrink: 0; }
    .featured-list li span { font-size: 0.95rem; color: var(--text-body); }

    /* ===== Stats Block ===== */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .stat-item {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 32px 16px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      transition: var(--transition);
    }
    .stat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--secondary); }
    .stat-item .num { font-size: 2.6rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
    .stat-item .num span { color: var(--secondary); }
    .stat-item .label { font-size: 0.92rem; color: var(--text-muted); margin-top: 6px; }

    /* ===== Steps / Timeline ===== */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      counter-reset: step;
    }
    .step-item {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      position: relative;
      transition: var(--transition);
    }
    .step-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--secondary); }
    .step-item::before {
      counter-increment: step;
      content: '0' counter(step);
      position: absolute;
      top: 16px;
      right: 20px;
      font-size: 2.8rem;
      font-weight: 800;
      color: rgba(200, 149, 60, 0.12);
      line-height: 1;
    }
    .step-item .icon { font-size: 2rem; color: var(--secondary); margin-bottom: 14px; }
    .step-item h4 { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
    .step-item p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

    /* ===== FAQ ===== */
    .faq-list { max-width: 820px; margin: 0 auto; }
    .faq-item {
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      background: var(--bg-card);
      transition: var(--transition);
    }
    .faq-item:hover { border-color: var(--secondary); box-shadow: var(--shadow-sm); }
    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 24px;
      background: none;
      border: none;
      font-size: 1.02rem;
      font-weight: 600;
      color: var(--primary);
      cursor: pointer;
      text-align: left;
      transition: var(--transition);
    }
    .faq-question i { color: var(--secondary); transition: transform 0.3s; font-size: 0.9rem; }
    .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
    .faq-answer {
      padding: 0 24px 18px;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
      display: none;
    }
    .faq-answer.show { display: block; }

    /* ===== CTA ===== */
    .cta-block {
      background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
      border-radius: var(--radius-lg);
      padding: 64px 48px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .cta-block::before {
      content: '';
      position: absolute;
      inset: 0;
      background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
      opacity: 0.08;
      mix-blend-mode: overlay;
    }
    .cta-block .container { position: relative; z-index: 2; }
    .cta-block h2 { font-size: 2.2rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
    .cta-block p { font-size: 1.1rem; color: rgba(255, 255, 255, 0.8); max-width: 560px; margin: 0 auto 28px; }
    .cta-block .btn { background: #fff; color: var(--primary); }
    .cta-block .btn:hover { background: var(--secondary); color: #fff; }

    /* ===== Footer ===== */
    .footer {
      background: var(--bg-dark);
      color: rgba(255, 255, 255, 0.75);
      padding: 60px 0 30px;
    }
    .footer .logo { color: #fff; margin-bottom: 16px; }
    .footer .logo span { -webkit-text-fill-color: #fff; }
    .footer .logo i { color: var(--secondary); }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand p { font-size: 0.92rem; line-height: 1.7; margin-bottom: 16px; color: rgba(255, 255, 255, 0.6); }
    .social-links { display: flex; gap: 12px; }
    .social-links a {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
      color: rgba(255, 255, 255, 0.7);
      transition: var(--transition);
    }
    .social-links a:hover { background: var(--secondary); color: #fff; transform: translateY(-2px); }
    .footer h4 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 18px; }
    .footer ul li { margin-bottom: 10px; }
    .footer ul li a { color: rgba(255, 255, 255, 0.6); font-size: 0.9rem; }
    .footer ul li a:hover { color: var(--secondary); }
    .footer ul li i { color: var(--secondary); }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.4);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .hero-category-text h1 { font-size: 2.4rem; }
      .card-grid { grid-template-columns: repeat(2, 1fr); }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .steps-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .section-pad { padding: 56px 0; }
      .section-title { font-size: 1.8rem; }
      .hero-category { min-height: auto; padding: 48px 0; }
      .hero-category .container { flex-direction: column; text-align: center; }
      .hero-category-text h1 { font-size: 2rem; }
      .hero-category-text p { margin-left: auto; margin-right: auto; }
      .hero-category-text .btn-group { justify-content: center; }
      .hero-category-visual { display: none; }
      .nav { display: none; }
      .nav.open { display: flex; flex-direction: column; position: absolute; top: var(--header-h); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); padding: 16px 24px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md); gap: 6px; }
      .nav a { width: 100%; justify-content: center; }
      .nav-toggle { display: block; }
      .featured-grid { grid-template-columns: 1fr; }
      .featured-img { order: -1; }
      .card-grid { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .steps-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; gap: 32px; }
      .footer-bottom { flex-direction: column; text-align: center; }
      .cta-block { padding: 40px 24px; }
      .cta-block h2 { font-size: 1.6rem; }
    }
    @media (max-width: 520px) {
      .container { padding: 0 16px; }
      .hero-category-text h1 { font-size: 1.6rem; }
      .section-title { font-size: 1.4rem; }
      .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
      .stat-item { padding: 20px 12px; }
      .stat-item .num { font-size: 2rem; }
      .btn-group { flex-direction: column; align-items: stretch; }
    }

/* roulang page: article */
:root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --secondary: #c9a84c;
            --secondary-light: #e0c06a;
            --secondary-dark: #a8882e;
            --accent: #e85d3a;
            --bg: #f8f7f4;
            --bg-card: #ffffff;
            --bg-dark: #1a2a3a;
            --text: #2c3e50;
            --text-light: #6b7c8a;
            --text-white: #f0ece4;
            --border: #e0dbd0;
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow: 0 4px 20px rgba(26, 58, 92, 0.08);
            --shadow-hover: 0 12px 40px rgba(26, 58, 92, 0.16);
            --shadow-lg: 0 20px 60px rgba(26, 58, 92, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --container: 1200px;
            --gap: 40px;
            --gap-sm: 24px;
        }

        *,
        *::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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition);
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--gap-sm);
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--gap);
            }
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(224, 219, 208, 0.5);
            transition: var(--transition);
        }
        .header.scrolled {
            box-shadow: 0 4px 30px rgba(26, 58, 92, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .logo i {
            color: var(--secondary);
            font-size: 1.6rem;
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover span {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(26, 58, 92, 0.04);
            padding: 4px 6px;
            border-radius: 40px;
            border: 1px solid rgba(224, 219, 208, 0.4);
        }
        .nav a {
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav a i {
            font-size: 0.85rem;
            color: var(--text-light);
            transition: var(--transition);
        }
        .nav a:hover {
            background: rgba(26, 58, 92, 0.06);
            color: var(--primary);
        }
        .nav a:hover i {
            color: var(--secondary);
        }
        .nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 58, 92, 0.2);
        }
        .nav a.active i {
            color: var(--secondary);
        }
        .nav .btn-primary {
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 8px 24px;
            border-radius: 30px;
            font-weight: 600;
            border: none;
            box-shadow: 0 4px 12px rgba(201, 168, 76, 0.3);
        }
        .nav .btn-primary i {
            color: var(--primary-dark);
        }
        .nav .btn-primary:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 168, 76, 0.4);
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--primary);
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: rgba(26, 58, 92, 0.06);
        }

        @media (max-width: 900px) {
            .nav {
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                padding: 16px;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                border: none;
                box-shadow: 0 20px 60px rgba(26, 58, 92, 0.12);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                gap: 4px;
            }
            .nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav a {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 1rem;
            }
            .nav .btn-primary {
                margin-top: 8px;
            }
            .nav-toggle {
                display: block;
            }
        }

        /* ===== Article Page ===== */
        .article-banner {
            padding: 140px 0 60px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 80px;
            background: linear-gradient(to top, var(--bg), transparent);
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .article-banner .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: rgba(240, 236, 228, 0.7);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-banner .breadcrumb a {
            color: rgba(240, 236, 228, 0.8);
            transition: var(--transition);
        }
        .article-banner .breadcrumb a:hover {
            color: var(--secondary);
        }
        .article-banner .breadcrumb span {
            color: var(--secondary);
        }
        .article-banner .category-tag {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary-dark);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 18px;
            border-radius: 30px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .article-banner h1 {
            font-size: clamp(1.8rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            max-width: 900px;
            margin: 0 auto 16px;
            letter-spacing: -0.5px;
        }
        .article-banner .meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(240, 236, 228, 0.7);
            font-size: 0.9rem;
        }
        .article-banner .meta i {
            color: var(--secondary);
            margin-right: 6px;
        }

        .article-main {
            padding: 60px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 50px;
            align-items: start;
        }
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 50px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        @media (max-width: 768px) {
            .article-body {
                padding: 28px 20px;
            }
        }
        .article-body .featured-image {
            width: 100%;
            border-radius: var(--radius);
            margin-bottom: 32px;
            box-shadow: var(--shadow);
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text);
        }
        .article-body .content p {
            margin-bottom: 1.5em;
        }
        .article-body .content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin: 2em 0 0.8em;
            padding-bottom: 0.4em;
            border-bottom: 2px solid var(--border);
        }
        .article-body .content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-light);
            margin: 1.8em 0 0.6em;
        }
        .article-body .content ul,
        .article-body .content ol {
            margin: 1em 0 1.5em 1.8em;
            list-style: disc;
        }
        .article-body .content ol {
            list-style: decimal;
        }
        .article-body .content li {
            margin-bottom: 0.5em;
        }
        .article-body .content blockquote {
            border-left: 4px solid var(--secondary);
            background: rgba(201, 168, 76, 0.06);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body .content img {
            border-radius: var(--radius);
            margin: 1.5em auto;
            box-shadow: var(--shadow);
        }
        .article-body .content a {
            color: var(--secondary-dark);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body .content a:hover {
            color: var(--accent);
        }

        .article-nav {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid var(--border);
            flex-wrap: wrap;
        }
        .article-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 24px;
            border-radius: var(--radius);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: var(--transition);
            font-weight: 500;
            color: var(--text);
            flex: 1;
            min-width: 200px;
        }
        .article-nav a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .article-nav a:hover i {
            color: var(--secondary);
        }
        .article-nav a i {
            font-size: 1.2rem;
            color: var(--secondary);
            transition: var(--transition);
        }
        .article-nav .next-link {
            text-align: right;
            justify-content: flex-end;
        }

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h3 i {
            color: var(--secondary);
        }
        .sidebar-card ul li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(224, 219, 208, 0.4);
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text);
            font-weight: 500;
        }
        .sidebar-card ul li a:hover {
            color: var(--secondary-dark);
        }
        .sidebar-card ul li a i {
            color: var(--secondary);
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .sidebar-card .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-card .tag-cloud a {
            background: var(--bg);
            border: 1px solid var(--border);
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            color: var(--text-light);
            transition: var(--transition);
        }
        .sidebar-card .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            color: var(--text-white);
            border: none;
        }
        .sidebar-cta h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .sidebar-cta p {
            font-size: 0.9rem;
            opacity: 0.85;
            margin-bottom: 20px;
        }
        .sidebar-cta .btn {
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            display: inline-block;
            transition: var(--transition);
        }
        .sidebar-cta .btn:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 168, 76, 0.3);
        }

        @media (max-width: 768px) {
            .article-banner {
                padding: 120px 0 40px;
                min-height: 240px;
            }
            .article-banner h1 {
                font-size: 1.5rem;
            }
            .article-main {
                padding: 40px 0 60px;
            }
            .article-nav a {
                min-width: 100%;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 60px 0 0;
            position: relative;
        }
        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--secondary), var(--secondary-light), var(--secondary));
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(240, 236, 228, 0.1);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-brand .logo {
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer-brand .logo span {
            background: linear-gradient(135deg, var(--text-white), var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            font-size: 0.9rem;
            opacity: 0.7;
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 360px;
        }
        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(240, 236, 228, 0.08);
            color: var(--text-white);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .social-links a:hover {
            background: var(--secondary);
            color: var(--primary-dark);
            transform: translateY(-3px);
        }
        .footer h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer ul li {
            margin-bottom: 10px;
            font-size: 0.9rem;
        }
        .footer ul li a {
            color: rgba(240, 236, 228, 0.65);
            transition: var(--transition);
        }
        .footer ul li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer ul li i {
            margin-right: 8px;
            color: var(--secondary);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 0.85rem;
            color: rgba(240, 236, 228, 0.4);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom span:last-child {
            color: rgba(240, 236, 228, 0.3);
            letter-spacing: 1px;
        }
        @media (max-width: 520px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Not Found State ===== */
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .not-found-box i {
            font-size: 4rem;
            color: var(--secondary);
            opacity: 0.5;
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .not-found-box .btn-home {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 12px 36px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-home:hover {
            background: var(--secondary);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 168, 76, 0.3);
        }