/* roulang page: index */
:root {
  --primary: #1a2a4a;
  --primary-light: #2a3a5a;
  --primary-dark: #0f1a2e;
  --secondary: #e8b845;
  --secondary-light: #f0c860;
  --secondary-dark: #d4a02e;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --bg-card: #ffffff;
  --text: #2d3748;
  --text-light: #718096;
  --text-muted: #a0aec0;
  --text-white: #ffffff;
  --border: #e2e8f0;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.07);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
  --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}
*, *::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); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--secondary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
}
/* ===== header / nav ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}
.header.scrolled { box-shadow: var(--shadow); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
}
.logo i { font-size: 26px; color: var(--secondary); }
.logo span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  display: block;
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover { color: var(--secondary); background: rgba(232,184,69,0.08); }
.nav-link.active { color: var(--secondary); background: rgba(232,184,69,0.12); font-weight: 600; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.nav-toggle span { display: block; width: 26px; height: 3px; background: var(--primary); border-radius: 3px; transition: var(--transition); }
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-list {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 16px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    box-shadow: var(--shadow);
  }
  .nav-list.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-link { width: 100%; padding: 12px 16px; }
}
/* ===== hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-height) + 40px) 24px 80px;
  overflow: hidden;
  background: var(--primary-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: 0.35;
  z-index: 1;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,26,46,0.85) 0%, rgba(26,42,74,0.75) 50%, rgba(15,26,46,0.85) 100%);
  z-index: 2;
}
.hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(232,184,69,0.18);
  border: 1px solid rgba(232,184,69,0.3);
  border-radius: 40px;
  font-size: 14px;
  color: var(--secondary);
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}
.hero-badge i { font-size: 14px; }
.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-white);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero h1 span { color: var(--secondary); }
.hero p {
  font-size: clamp(16px, 2.2vw, 20px);
  color: rgba(255,255,255,0.75);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: var(--primary-dark);
  box-shadow: 0 4px 20px rgba(232,184,69,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(232,184,69,0.45); color: var(--primary-dark); }
.btn-outline {
  background: transparent;
  color: var(--text-white);
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--secondary); color: var(--secondary); transform: translateY(-2px); }
/* ===== sections ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--primary-dark); color: var(--text-white); }
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-header h2 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.section-header p {
  font-size: 17px;
  color: var(--text-light);
  line-height: 1.7;
}
.section-dark .section-header h2 { color: var(--text-white); }
.section-dark .section-header p { color: rgba(255,255,255,0.7); }
.tag {
  display: inline-block;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 40px;
  background: rgba(232,184,69,0.12);
  color: var(--secondary-dark);
  margin-bottom: 12px;
}
/* ===== cards grid ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--bg-alt);
}
.card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 18px; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.card-body p { font-size: 14px; color: var(--text-light); line-height: 1.6; flex: 1; }
.card-meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-muted); margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); }
.card-meta i { margin-right: 4px; }
.card-tag {
  display: inline-block;
  padding: 2px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 40px;
  background: rgba(26,42,74,0.06);
  color: var(--primary-light);
}
/* ===== features / icon cards ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  font-size: 28px;
  color: var(--secondary);
  background: rgba(232,184,69,0.1);
}
.feature-card h3 { font-size: 18px; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-light); line-height: 1.6; }
/* ===== stats ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
  text-align: center;
}
.stat-item {
  padding: 32px 16px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.08);
}
.stat-item .num { font-size: 42px; font-weight: 800; color: var(--secondary); line-height: 1.1; margin-bottom: 6px; }
.stat-item .label { font-size: 15px; color: rgba(255,255,255,0.7); }
/* ===== steps ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 32px;
  counter-reset: step;
}
.step-item {
  text-align: center;
  counter-increment: step;
  position: relative;
}
.step-num {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--secondary);
  position: relative;
}
.step-item h4 { font-size: 17px; font-weight: 600; color: var(--primary); margin-bottom: 6px; }
.step-item p { font-size: 14px; color: var(--text-light); }
.section-dark .step-item h4 { color: var(--text-white); }
.section-dark .step-item p { color: rgba(255,255,255,0.7); }
/* ===== FAQ ===== */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow); }
.faq-q {
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  user-select: none;
}
.faq-q i { color: var(--text-muted); transition: var(--transition); font-size: 14px; }
.faq-item.active .faq-q i { transform: rotate(180deg); color: var(--secondary); }
.faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}
.faq-item.active .faq-a { max-height: 300px; padding: 0 24px 20px; }
/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  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;
  z-index: 1;
}
.cta-content { position: relative; z-index: 2; text-align: center; padding: 60px 24px; }
.cta-content h2 { font-size: clamp(26px, 3.5vw, 36px); font-weight: 700; color: var(--text-white); margin-bottom: 12px; }
.cta-content p { font-size: 17px; color: rgba(255,255,255,0.75); max-width: 560px; margin: 0 auto 28px; }
.cta-content .btn-primary { background: var(--secondary); color: var(--primary-dark); box-shadow: 0 4px 24px rgba(232,184,69,0.4); }
.cta-content .btn-primary:hover { box-shadow: 0 8px 40px rgba(232,184,69,0.5); transform: translateY(-2px); }
/* ===== latest posts list ===== */
.post-list { display: flex; flex-direction: column; gap: 16px; }
.post-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 24px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.post-item:hover { box-shadow: var(--shadow); transform: translateX(4px); }
.post-item .post-thumb {
  width: 120px;
  min-height: 80px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--bg-alt);
  flex-shrink: 0;
}
.post-info { flex: 1; }
.post-info h3 { font-size: 17px; font-weight: 600; color: var(--primary); margin-bottom: 6px; }
.post-info h3 a { color: inherit; }
.post-info h3 a:hover { color: var(--secondary); }
.post-info p { font-size: 14px; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-info .meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-muted); margin-top: 8px; }
@media (max-width: 640px) {
  .post-item { flex-direction: column; padding: 16px; }
  .post-item .post-thumb { width: 100%; height: 160px; }
}
/* ===== footer ===== */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 32px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.footer-brand .logo { color: var(--text-white); margin-bottom: 12px; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 320px; }
.footer h4 { font-size: 16px; font-weight: 600; color: var(--text-white); margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.6); }
.footer-links a:hover { color: var(--secondary); }
.footer-bottom {
  max-width: var(--max-width);
  margin: 32px auto 0;
  padding: 20px 24px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
/* ===== breadcrumb ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-light);
  padding: 16px 0;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb span { color: var(--text-muted); }
.breadcrumb .current { color: var(--primary); font-weight: 500; }
/* ===== page banner inner ===== */
.page-banner {
  position: relative;
  padding: calc(var(--header-height) + 40px) 24px 60px;
  background: var(--primary-dark);
  overflow: hidden;
  text-align: center;
}
.page-banner .bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  opacity: 0.2;
  z-index: 1;
}
.page-banner .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,26,46,0.9), rgba(26,42,74,0.8));
  z-index: 2;
}
.page-banner .content { position: relative; z-index: 3; }
.page-banner h1 { font-size: clamp(30px, 4vw, 44px); font-weight: 700; color: var(--text-white); margin-bottom: 8px; }
.page-banner p { font-size: 17px; color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 auto; }
/* ===== article detail ===== */
.article-detail { max-width: 800px; margin: 0 auto; padding: 40px 24px 60px; }
.article-header { margin-bottom: 32px; }
.article-header h1 { font-size: clamp(26px, 3.5vw, 36px); font-weight: 700; color: var(--primary); line-height: 1.25; margin-bottom: 16px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; color: var(--text-light); align-items: center; }
.article-meta i { margin-right: 4px; }
.article-meta .cat { display: inline-block; padding: 2px 12px; border-radius: 40px; background: rgba(232,184,69,0.1); color: var(--secondary-dark); font-weight: 500; font-size: 13px; }
.article-body { font-size: 16px; line-height: 1.9; color: var(--text); }
.article-body p { margin-bottom: 18px; }
.article-body img { border-radius: var(--radius); margin: 24px 0; width: 100%; }
.article-body h2, .article-body h3 { color: var(--primary); margin-top: 32px; margin-bottom: 12px; font-weight: 600; }
.article-body h2 { font-size: 24px; }
.article-body h3 { font-size: 20px; }
.article-body ul, .article-body ol { padding-left: 24px; margin-bottom: 18px; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 6px; }
.article-body blockquote {
  border-left: 4px solid var(--secondary);
  padding: 12px 20px;
  margin: 20px 0;
  background: rgba(232,184,69,0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-light);
  font-style: italic;
}
/* ===== category page ===== */
.cat-intro { padding: 40px 0; }
.cat-intro .text { max-width: 760px; margin: 0 auto; text-align: center; font-size: 17px; color: var(--text-light); line-height: 1.8; }
/* ===== responsive ===== */
@media (max-width: 1024px) {
  .section { padding: 60px 0; }
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
  .feature-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
}
@media (max-width: 768px) {
  :root { --header-height: 64px; }
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 36px; }
  .hero { min-height: 80vh; padding: calc(var(--header-height) + 24px) 16px 48px; }
  .card-grid { grid-template-columns: 1fr; gap: 16px; }
  .feature-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .steps-grid { grid-template-columns: 1fr; gap: 24px; }
  .faq-q { padding: 14px 16px; font-size: 15px; }
  .faq-a { padding: 0 16px; font-size: 14px; }
  .faq-item.active .faq-a { padding: 0 16px 16px; }
  .cta-content { padding: 40px 16px; }
  .post-item { padding: 14px 16px; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 28px; }
  .hero p { font-size: 15px; }
  .feature-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-item { padding: 20px 12px; }
  .stat-item .num { font-size: 32px; }
  .btn { padding: 12px 24px; font-size: 14px; }
  .article-detail { padding: 24px 16px 40px; }
  .article-meta { gap: 12px; font-size: 13px; }
}
/* ===== misc ===== */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.gap-16 { gap: 16px; }
.empty-tip { text-align: center; padding: 40px 16px; color: var(--text-light); font-size: 15px; background: var(--bg-alt); border-radius: var(--radius); }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2340;
            --accent: #e8a838;
            --accent-light: #f0c060;
            --accent-dark: #c88a20;
            --bg-light: #f7f9fc;
            --bg-white: #ffffff;
            --bg-dark: #0f1a2b;
            --text-dark: #1c2a3a;
            --text-body: #3a4a5a;
            --text-muted: #7a8a9a;
            --text-white: #f0f4f8;
            --border: #e0e6ed;
            --border-light: #eef2f7;
            --shadow-sm: 0 2px 8px rgba(26, 58, 92, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 58, 92, 0.10);
            --shadow-lg: 0 16px 48px rgba(26, 58, 92, 0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container: 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);
        }
        a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-dark); font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; }

        /* ===== Container ===== */
        .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* ===== Header & Nav (吸顶，与首页一致) ===== */
        .header {
            position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
            background: rgba(255,255,255,0.92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 4px rgba(26,58,92,0.04);
            height: var(--header-h);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .header.scrolled { background: rgba(255,255,255,0.97); box-shadow: var(--shadow-sm); }
        .header-inner {
            max-width: var(--container); margin: 0 auto; padding: 0 24px;
            display: flex; align-items: center; justify-content: space-between;
            height: var(--header-h);
        }
        .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.3rem; font-weight: 700; color: var(--primary); letter-spacing: -0.02em;
            transition: opacity var(--transition);
        }
        .logo:hover { opacity: 0.88; color: var(--primary); }
        .logo i { color: var(--accent); font-size: 1.5rem; }
        .logo span { white-space: nowrap; }
        .nav-list { display: flex; align-items: center; gap: 8px; }
        .nav-link {
            padding: 8px 18px; border-radius: var(--radius-sm);
            font-size: 0.95rem; font-weight: 500; color: var(--text-body);
            transition: all var(--transition); position: relative;
            white-space: nowrap;
        }
        .nav-link:hover { color: var(--primary); background: rgba(26,58,92,0.06); }
        .nav-link.active { color: var(--primary); background: rgba(26,58,92,0.10); font-weight: 600; }
        .nav-link.active::after {
            content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
            width: 20px; height: 3px; background: var(--accent); border-radius: 4px;
        }
        .nav-toggle {
            display: none; flex-direction: column; gap: 5px;
            background: none; cursor: pointer; padding: 6px;
            border-radius: var(--radius-sm); transition: background var(--transition);
        }
        .nav-toggle:hover { background: rgba(26,58,92,0.06); }
        .nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--primary); border-radius: 4px; transition: all var(--transition); }
        .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .nav-toggle.open span:nth-child(2) { opacity: 0; }
        .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        @media (max-width: 768px) {
            .nav-toggle { display: flex; }
            .nav-list {
                position: fixed; top: var(--header-h); left: 0; width: 100%;
                flex-direction: column; background: rgba(255,255,255,0.98); backdrop-filter: blur(18px);
                padding: 16px 24px 24px; gap: 4px;
                box-shadow: var(--shadow-md);
                transform: translateY(-110%); opacity: 0; pointer-events: none;
                transition: all 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
                border-bottom: 1px solid var(--border-light);
            }
            .nav-list.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-link { width: 100%; padding: 12px 16px; font-size: 1.05rem; }
            .nav-link.active::after { display: none; }
            .nav-link.active { background: rgba(26,58,92,0.08); border-left: 4px solid var(--accent); }
        }

        /* ===== Hero (文章页横幅) ===== */
        .article-hero {
            margin-top: var(--header-h);
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex; align-items: center;
        }
        .article-hero::before {
            content: '';
            position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .article-hero .container {
            position: relative; z-index: 2;
            padding-top: 48px; padding-bottom: 48px;
        }
        .article-hero .breadcrumb {
            display: flex; align-items: center; gap: 8px;
            font-size: 0.9rem; color: rgba(255,255,255,0.65); margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-hero .breadcrumb a { color: rgba(255,255,255,0.8); }
        .article-hero .breadcrumb a:hover { color: var(--accent); }
        .article-hero .breadcrumb .sep { color: rgba(255,255,255,0.4); }
        .article-hero .breadcrumb .current { color: var(--accent-light); font-weight: 500; }
        .article-hero h1 {
            font-size: 2.4rem; font-weight: 800; color: var(--text-white);
            max-width: 820px; line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .article-hero .meta {
            display: flex; flex-wrap: wrap; gap: 20px 32px;
            color: rgba(255,255,255,0.7); font-size: 0.9rem;
        }
        .article-hero .meta i { margin-right: 6px; color: var(--accent); }
        .article-hero .meta span { display: inline-flex; align-items: center; }
        .article-hero .meta .category {
            background: rgba(232,168,56,0.2); color: var(--accent-light);
            padding: 2px 14px; border-radius: 20px; font-weight: 500;
            border: 1px solid rgba(232,168,56,0.25);
        }
        @media (max-width: 768px) {
            .article-hero { min-height: 220px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-hero .meta { gap: 12px 20px; font-size: 0.82rem; }
        }
        @media (max-width: 520px) {
            .article-hero h1 { font-size: 1.3rem; }
        }

        /* ===== 文章主体 ===== */
        .article-main { padding: 56px 0 80px; }
        .article-layout {
            display: grid; grid-template-columns: 1fr 320px; gap: 48px;
            align-items: start;
        }
        .article-content-area {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 40px 44px;
            border: 1px solid var(--border-light);
        }
        .article-content-area .featured-image {
            margin: -40px -44px 32px; border-radius: var(--radius-md) var(--radius-md) 0 0;
            overflow: hidden; max-height: 420px;
        }
        .article-content-area .featured-image img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
        .article-content-area .content-body {
            font-size: 1.05rem; line-height: 1.85; color: var(--text-body);
        }
        .article-content-area .content-body p { margin-bottom: 1.4em; }
        .article-content-area .content-body h2, .article-content-area .content-body h3 {
            margin-top: 1.6em; margin-bottom: 0.6em; color: var(--text-dark);
        }
        .article-content-area .content-body h2 { font-size: 1.5rem; }
        .article-content-area .content-body h3 { font-size: 1.2rem; }
        .article-content-area .content-body ul, .article-content-area .content-body ol {
            margin-bottom: 1.4em; padding-left: 1.6em;
        }
        .article-content-area .content-body ul li { list-style: disc; margin-bottom: 0.3em; }
        .article-content-area .content-body ol li { list-style: decimal; margin-bottom: 0.3em; }
        .article-content-area .content-body a { color: var(--primary-light); text-decoration: underline; }
        .article-content-area .content-body a:hover { color: var(--accent); }
        .article-content-area .content-body blockquote {
            border-left: 4px solid var(--accent); padding: 12px 20px; margin: 1.4em 0;
            background: rgba(232,168,56,0.06); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted); font-style: italic;
        }
        .article-content-area .content-body img { border-radius: var(--radius-sm); margin: 1.2em 0; }
        .article-content-area .content-body .cms-safe-table { width: 100%; border-collapse: collapse; margin: 1.2em 0; }
        .article-content-area .content-body .cms-safe-table th,
        .article-content-area .content-body .cms-safe-table td { border: 1px solid var(--border); padding: 10px 16px; text-align: left; }
        .article-content-area .content-body .cms-safe-table th { background: var(--bg-light); font-weight: 600; }

        .article-tags {
            margin-top: 32px; padding-top: 20px;
            border-top: 1px solid var(--border-light);
            display: flex; flex-wrap: wrap; gap: 8px;
        }
        .article-tags .tag {
            background: var(--bg-light); color: var(--text-muted);
            padding: 4px 14px; border-radius: 20px; font-size: 0.82rem;
            border: 1px solid var(--border-light); transition: all var(--transition);
        }
        .article-tags .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* ===== 侧边栏 ===== */
        .article-sidebar { display: flex; flex-direction: column; gap: 32px; }
        .sidebar-card {
            background: var(--bg-white); border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm); padding: 28px 24px;
            border: 1px solid var(--border-light);
        }
        .sidebar-card h3 {
            font-size: 1.05rem; font-weight: 700; margin-bottom: 16px;
            padding-bottom: 12px; border-bottom: 2px solid var(--accent);
            display: flex; align-items: center; gap: 8px;
        }
        .sidebar-card h3 i { color: var(--accent); }
        .sidebar-list { display: flex; flex-direction: column; gap: 10px; }
        .sidebar-list a {
            display: flex; align-items: center; gap: 10px;
            padding: 8px 0; color: var(--text-body); font-size: 0.92rem;
            border-bottom: 1px solid var(--border-light); transition: all var(--transition);
        }
        .sidebar-list a:last-child { border-bottom: none; }
        .sidebar-list a:hover { color: var(--primary); padding-left: 6px; }
        .sidebar-list a i { color: var(--accent); font-size: 0.8rem; width: 18px; text-align: center; }
        .sidebar-list a .date { margin-left: auto; color: var(--text-muted); font-size: 0.8rem; white-space: nowrap; }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-md); padding: 32px 24px; text-align: center;
            color: var(--text-white);
        }
        .sidebar-cta h4 { color: #fff; font-size: 1.15rem; margin-bottom: 8px; }
        .sidebar-cta p { font-size: 0.9rem; opacity: 0.8; margin-bottom: 20px; }
        .sidebar-cta .btn {
            display: inline-block; background: var(--accent); color: var(--primary-dark);
            padding: 10px 28px; border-radius: 30px; font-weight: 600;
            transition: all var(--transition);
        }
        .sidebar-cta .btn:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,168,56,0.3); }

        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; gap: 32px; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        }
        @media (max-width: 768px) {
            .article-main { padding: 32px 0 48px; }
            .article-content-area { padding: 24px 20px; }
            .article-content-area .featured-image { margin: -24px -20px 24px; }
            .article-sidebar { grid-template-columns: 1fr; }
        }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center; padding: 80px 20px;
        }
        .not-found-box i { font-size: 3.6rem; color: var(--text-muted); margin-bottom: 20px; }
        .not-found-box h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-muted); margin-bottom: 24px; }
        .not-found-box .btn {
            display: inline-block; background: var(--primary); color: #fff;
            padding: 12px 32px; border-radius: 30px; font-weight: 600;
            transition: all var(--transition);
        }
        .not-found-box .btn:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }

        /* ===== Footer (与首页一致) ===== */
        .footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.75);
            padding: 56px 0 0;
        }
        .footer-inner {
            max-width: var(--container); margin: 0 auto; padding: 0 24px;
            display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px;
        }
        .footer-brand .logo { color: #fff; font-size: 1.2rem; margin-bottom: 14px; }
        .footer-brand .logo i { color: var(--accent); }
        .footer-brand p { font-size: 0.92rem; line-height: 1.7; opacity: 0.7; max-width: 320px; }
        .footer h4 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 16px; letter-spacing: 0.03em; }
        .footer-links { display: flex; flex-direction: column; gap: 8px; }
        .footer-links a {
            color: rgba(255,255,255,0.6); font-size: 0.9rem;
            transition: all var(--transition); display: inline-flex; align-items: center; gap: 6px;
        }
        .footer-links a:hover { color: var(--accent); transform: translateX(4px); }
        .footer-bottom {
            margin-top: 40px; padding: 18px 24px;
            border-top: 1px solid rgba(255,255,255,0.08);
            display: flex; justify-content: space-between; align-items: center;
            flex-wrap: wrap; gap: 12px;
            max-width: var(--container); margin-left: auto; margin-right: auto;
            font-size: 0.82rem; opacity: 0.6;
        }
        @media (max-width: 768px) {
            .footer-inner { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== 通用按钮 ===== */
        .btn { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; transition: all var(--transition); font-weight: 500; }
        .btn-primary { background: var(--primary); color: #fff; padding: 10px 28px; border-radius: 30px; }
        .btn-primary:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); color: #fff; }
        .btn-accent { background: var(--accent); color: var(--primary-dark); padding: 10px 28px; border-radius: 30px; font-weight: 600; }
        .btn-accent:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,168,56,0.25); color: var(--primary-dark); }

        /* ===== 响应式额外微调 ===== */
        @media (max-width: 520px) {
            .header-inner { padding: 0 12px; }
            .logo { font-size: 1.05rem; }
            .logo i { font-size: 1.2rem; }
            .article-content-area { padding: 16px 14px; }
            .article-content-area .featured-image { margin: -16px -14px 16px; }
        }

        /* ===== 骨架屏 / 加载 ===== */
        .cms-empty { color: var(--text-muted); padding: 20px 0; text-align: center; font-size: 0.95rem; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
    :root {
        --color-primary: #1a3a5c;
        --color-primary-light: #2a5a8c;
        --color-primary-dark: #0f2440;
        --color-accent: #e8a838;
        --color-accent-light: #f0c060;
        --color-accent-dark: #c88a1a;
        --color-bg: #f8f9fb;
        --color-bg-alt: #eef1f5;
        --color-bg-card: #ffffff;
        --color-text: #1e2a3a;
        --color-text-soft: #4a5a6a;
        --color-text-muted: #8a9aaa;
        --color-border: #d0d8e0;
        --color-border-light: #e4e8ee;
        --color-white: #ffffff;
        --color-success: #2a8c5a;
        --color-warning: #d4942a;
        --color-danger: #c04040;
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
        --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
        --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
        --shadow-xl: 0 20px 60px rgba(0,0,0,0.10);
        --space-xs: 0.5rem;
        --space-sm: 1rem;
        --space-md: 2rem;
        --space-lg: 4rem;
        --space-xl: 6rem;
        --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        --transition: 0.25s cubic-bezier(0.2, 0, 0, 1);
    }

    /* ===== 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: 1.6;
        color: var(--color-text);
        background: var(--color-bg);
    }
    a { color: var(--color-primary-light); text-decoration: none; transition: color var(--transition); }
    a:hover { color: var(--color-accent); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
    button, input, textarea { font-family: inherit; font-size: inherit; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 600; color: var(--color-primary); }
    h1 { font-size: 2.6rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.4rem; }
    h4 { font-size: 1.15rem; }
    p { margin-bottom: 0.75rem; color: var(--color-text-soft); }
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 var(--space-md);
    }
    .section { padding: var(--space-xl) 0; }
    .section-alt { background: var(--color-bg-alt); }

    /* ===== Header & Navigation ===== */
    .header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255,255,255,0.96);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--color-border-light);
        box-shadow: 0 2px 12px rgba(0,0,0,0.02);
    }
    .header-inner {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 var(--space-md);
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 68px;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--color-primary);
        text-decoration: none;
    }
    .logo i { color: var(--color-accent); font-size: 1.5rem; }
    .logo span { letter-spacing: -0.3px; }
    .nav-list {
        display: flex;
        align-items: center;
        gap: 0.25rem;
    }
    .nav-link {
        padding: 0.5rem 1rem;
        border-radius: var(--radius-sm);
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--color-text-soft);
        transition: all var(--transition);
        position: relative;
    }
    .nav-link:hover { color: var(--color-primary); background: rgba(26,58,92,0.06); }
    .nav-link.active {
        color: var(--color-primary);
        background: rgba(26,58,92,0.08);
        font-weight: 600;
    }
    .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: -1px;
        left: 1rem;
        right: 1rem;
        height: 3px;
        background: var(--color-accent);
        border-radius: 3px 3px 0 0;
    }
    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
        border-radius: var(--radius-sm);
    }
    .nav-toggle span {
        display: block;
        width: 24px;
        height: 2.5px;
        background: var(--color-primary);
        border-radius: 4px;
        transition: all var(--transition);
    }
    .nav-toggle:hover span { background: var(--color-accent); }

    /* ===== Hero / Page Banner ===== */
    .page-hero {
        position: relative;
        min-height: 320px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        background: linear-gradient(135deg, rgba(15,36,64,0.85), rgba(26,58,92,0.75)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        color: var(--color-white);
        padding: var(--space-xl) var(--space-md);
    }
    .page-hero h1 {
        font-size: 2.8rem;
        font-weight: 700;
        color: var(--color-white);
        margin-bottom: 0.75rem;
        text-shadow: 0 2px 20px rgba(0,0,0,0.15);
    }
    .page-hero p {
        font-size: 1.15rem;
        max-width: 640px;
        margin: 0 auto;
        color: rgba(255,255,255,0.85);
        line-height: 1.7;
    }
    .hero-breadcrumb {
        display: flex;
        justify-content: center;
        gap: 0.5rem;
        font-size: 0.9rem;
        color: rgba(255,255,255,0.7);
        margin-bottom: 1.2rem;
    }
    .hero-breadcrumb a { color: rgba(255,255,255,0.8); }
    .hero-breadcrumb a:hover { color: var(--color-accent); }
    .hero-breadcrumb span { color: rgba(255,255,255,0.5); }

    /* ===== Cards ===== */
    .card {
        background: var(--color-bg-card);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border-light);
        overflow: hidden;
        transition: all var(--transition);
    }
    .card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-4px);
        border-color: var(--color-border);
    }
    .card-img { width: 100%; height: 200px; object-fit: cover; border-radius: var(--radius-md) var(--radius-md) 0 0; }
    .card-body { padding: var(--space-md); }
    .card-body h3 { margin-bottom: 0.5rem; }
    .card-body p { font-size: 0.95rem; margin-bottom: 0; }
    .card-tag {
        display: inline-block;
        padding: 0.2rem 0.7rem;
        border-radius: 20px;
        font-size: 0.75rem;
        font-weight: 500;
        background: rgba(232,168,56,0.12);
        color: var(--color-accent-dark);
        margin-bottom: 0.6rem;
    }

    /* ===== Grid ===== */
    .grid-3 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }
    .grid-2 {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    /* ===== Steps ===== */
    .steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-md);
        counter-reset: step-counter;
    }
    .step-item {
        text-align: center;
        counter-increment: step-counter;
        position: relative;
    }
    .step-item::before {
        content: counter(step-counter);
        display: block;
        width: 48px;
        height: 48px;
        line-height: 48px;
        border-radius: 50%;
        background: var(--color-primary);
        color: var(--color-white);
        font-size: 1.2rem;
        font-weight: 700;
        margin: 0 auto 1rem;
    }
    .step-item:not(:last-child)::after {
        content: '';
        position: absolute;
        top: 24px;
        left: calc(50% + 40px);
        right: calc(-50% + 40px);
        height: 2px;
        background: var(--color-border-light);
    }
    .step-item h4 { margin-bottom: 0.4rem; }
    .step-item p { font-size: 0.9rem; color: var(--color-text-muted); }

    /* ===== Safety List ===== */
    .safety-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    .safety-item {
        display: flex;
        gap: 1rem;
        align-items: flex-start;
        padding: var(--space-md);
        background: var(--color-bg-card);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border-light);
    }
    .safety-item i {
        font-size: 1.6rem;
        color: var(--color-accent);
        flex-shrink: 0;
        margin-top: 0.2rem;
    }
    .safety-item h4 { margin-bottom: 0.3rem; font-size: 1.05rem; }
    .safety-item p { font-size: 0.9rem; color: var(--color-text-muted); margin: 0; }

    /* ===== FAQ ===== */
    .faq-list { max-width: 800px; margin: 0 auto; }
    .faq-item {
        border-bottom: 1px solid var(--color-border-light);
        padding: 1.2rem 0;
    }
    .faq-q {
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-weight: 600;
        font-size: 1.05rem;
        color: var(--color-primary);
        cursor: pointer;
        user-select: none;
    }
    .faq-q i { color: var(--color-accent); transition: transform var(--transition); }
    .faq-item.open .faq-q i { transform: rotate(180deg); }
    .faq-a {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.3s ease;
        color: var(--color-text-soft);
        font-size: 0.95rem;
        line-height: 1.7;
    }
    .faq-item.open .faq-a {
        max-height: 200px;
        padding-top: 0.75rem;
    }

    /* ===== CTA ===== */
    .cta-block {
        text-align: center;
        padding: var(--space-xl) var(--space-md);
        background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
        border-radius: var(--radius-lg);
        color: var(--color-white);
    }
    .cta-block h2 { color: var(--color-white); margin-bottom: 0.6rem; }
    .cta-block p { color: rgba(255,255,255,0.8); margin-bottom: 1.5rem; max-width: 560px; margin-left: auto; margin-right: auto; }

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.65rem 1.6rem;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 0.95rem;
        border: none;
        cursor: pointer;
        transition: all var(--transition);
        text-decoration: none;
    }
    .btn-primary {
        background: var(--color-accent);
        color: var(--color-primary-dark);
    }
    .btn-primary:hover { background: var(--color-accent-light); color: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(232,168,56,0.3); }
    .btn-outline {
        background: transparent;
        border: 2px solid var(--color-accent);
        color: var(--color-accent);
    }
    .btn-outline:hover { background: var(--color-accent); color: var(--color-primary-dark); transform: translateY(-2px); }
    .btn-white {
        background: var(--color-white);
        color: var(--color-primary);
    }
    .btn-white:hover { background: var(--color-accent-light); color: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,255,255,0.2); }
    .btn-lg { padding: 0.9rem 2.4rem; font-size: 1.05rem; border-radius: var(--radius-md); }

    /* ===== Section Title ===== */
    .section-title {
        text-align: center;
        margin-bottom: var(--space-lg);
    }
    .section-title h2 { margin-bottom: 0.5rem; }
    .section-title p { max-width: 600px; margin: 0 auto; color: var(--color-text-muted); font-size: 1.05rem; }

    /* ===== Footer ===== */
    .footer {
        background: var(--color-primary-dark);
        color: rgba(255,255,255,0.75);
        padding: var(--space-lg) 0 0;
    }
    .footer-inner {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 var(--space-md);
        display: grid;
        grid-template-columns: 2fr 1fr 1.2fr;
        gap: var(--space-lg);
    }
    .footer .logo { color: var(--color-white); margin-bottom: 0.8rem; }
    .footer .logo i { color: var(--color-accent); }
    .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.6); max-width: 320px; }
    .footer h4 { color: var(--color-white); font-size: 1rem; margin-bottom: 1rem; font-weight: 600; }
    .footer-links { display: flex; flex-direction: column; gap: 0.5rem; }
    .footer-links a {
        color: rgba(255,255,255,0.65);
        font-size: 0.9rem;
        transition: color var(--transition);
        display: flex;
        align-items: center;
        gap: 0.4rem;
    }
    .footer-links a:hover { color: var(--color-accent); }
    .footer-bottom {
        max-width: 1200px;
        margin: var(--space-lg) auto 0;
        padding: 1.2rem var(--space-md);
        border-top: 1px solid rgba(255,255,255,0.08);
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 0.85rem;
        color: rgba(255,255,255,0.45);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .grid-3 { grid-template-columns: repeat(2, 1fr); }
        .steps { grid-template-columns: repeat(2, 1fr); }
        .step-item:not(:last-child)::after { display: none; }
        .footer-inner { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
    }
    @media (max-width: 768px) {
        .nav-list {
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            background: rgba(255,255,255,0.98);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            flex-direction: column;
            padding: var(--space-md);
            gap: 0.25rem;
            box-shadow: 0 12px 40px rgba(0,0,0,0.06);
            transform: translateY(-120%);
            opacity: 0;
            transition: all 0.4s cubic-bezier(0.2, 0, 0, 1);
            border-bottom: 1px solid var(--color-border);
        }
        .nav-list.open { transform: translateY(0); opacity: 1; }
        .nav-link { width: 100%; padding: 0.8rem 1rem; }
        .nav-link.active::after { display: none; }
        .nav-toggle { display: flex; }
        .page-hero { min-height: 240px; padding: var(--space-lg) var(--space-md); }
        .page-hero h1 { font-size: 2rem; }
        .page-hero p { font-size: 1rem; }
        .grid-3 { grid-template-columns: 1fr; }
        .grid-2 { grid-template-columns: 1fr; }
        .steps { grid-template-columns: 1fr; gap: var(--space-lg); }
        .safety-list { grid-template-columns: 1fr; }
        .footer-inner { grid-template-columns: 1fr; gap: var(--space-md); }
        .footer-bottom { flex-direction: column; gap: 0.4rem; text-align: center; }
        .section { padding: var(--space-lg) 0; }
        h1 { font-size: 2rem; }
        h2 { font-size: 1.6rem; }
    }
    @media (max-width: 520px) {
        .header-inner { height: 60px; padding: 0 var(--space-sm); }
        .logo { font-size: 1.1rem; }
        .logo i { font-size: 1.2rem; }
        .page-hero h1 { font-size: 1.6rem; }
        .btn-lg { padding: 0.7rem 1.6rem; font-size: 0.95rem; }
        .container { padding: 0 var(--space-sm); }
    }