/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0f1a3a;
  --primary-light: #1a2d5a;
  --primary-dark: #080f24;
  --accent: #e8b830;
  --accent-hover: #d4a420;
  --accent-light: #f5e6a8;
  --bg: #f5f7fa;
  --bg-white: #ffffff;
  --bg-dark: #0a1228;
  --bg-card: #ffffff;
  --text: #1a2332;
  --text-light: #6b7a8f;
  --text-lighter: #9aabbf;
  --text-white: #ffffff;
  --border: #e2e6ef;
  --border-light: #f0f2f6;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(15, 26, 58, 0.08);
  --shadow-md: 0 8px 30px rgba(15, 26, 58, 0.1);
  --shadow-lg: 0 16px 48px rgba(15, 26, 58, 0.14);
  --shadow-accent: 0 4px 20px rgba(232, 184, 48, 0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --header-height: 76px;
}
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font-family: var(--font); font-size: 1rem; outline: none; border: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--primary); }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
p { margin-bottom: 1rem; color: var(--text-light); }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 3rem; }
.section-title p { max-width: 600px; margin: 0.5rem auto 0; font-size: 1.1rem; }
.tag { display: inline-block; padding: 4px 14px; background: var(--accent-light); color: var(--primary); border-radius: 20px; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.5px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 32px; border-radius: var(--radius-sm); font-weight: 600; font-size: 1rem; cursor: pointer; transition: var(--transition); border: 2px solid transparent; }
.btn-primary { background: var(--accent); color: var(--primary); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-accent); }
.btn-outline { background: transparent; color: var(--text-white); border-color: var(--text-white); }
.btn-outline:hover { background: var(--text-white); color: var(--primary); transform: translateY(-2px); }
.btn-dark { background: var(--primary); color: var(--text-white); border-color: var(--primary); }
.btn-dark:hover { background: var(--primary-light); color: var(--text-white); transform: translateY(-2px); box-shadow: var(--shadow); }
.card { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transition: var(--transition); }
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
/* ===== Header & Nav ===== */
.header { position: fixed; top: 0; left: 0; width: 100%; height: var(--header-height); background: rgba(15, 26, 58, 0.95); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255,255,255,0.06); z-index: 1000; }
.header-inner { display: flex; align-items: center; justify-content: center; height: 100%; position: relative; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.header-logo { position: absolute; left: 50%; transform: translateX(-50%); }
.header-logo a { font-size: 1.5rem; font-weight: 800; color: var(--text-white); letter-spacing: 2px; }
.header-logo a span { color: var(--accent); }
.header-logo a:hover { color: var(--accent); }
.nav-left, .nav-right { display: flex; align-items: center; gap: 8px; }
.nav-left { margin-right: auto; }
.nav-right { margin-left: auto; }
.nav-link { padding: 8px 18px; color: rgba(255,255,255,0.75); font-size: 0.95rem; font-weight: 500; border-radius: var(--radius-sm); transition: var(--transition); white-space: nowrap; }
.nav-link:hover { color: var(--text-white); background: rgba(255,255,255,0.08); }
.nav-link.active { color: var(--accent); background: rgba(232,184,48,0.12); }
.nav-link i { margin-right: 6px; font-size: 0.85rem; }
.mobile-toggle { display: none; background: none; color: var(--text-white); font-size: 1.5rem; cursor: pointer; padding: 8px; border-radius: var(--radius-sm); }
.mobile-toggle:hover { background: rgba(255,255,255,0.08); }
@media (max-width: 768px) {
  .nav-left, .nav-right { display: none; }
  .mobile-toggle { display: block; position: absolute; right: 16px; top: 50%; transform: translateY(-50%); }
  .header-logo { position: relative; left: auto; transform: none; }
  .header-inner { justify-content: flex-start; }
  .mobile-menu-open .nav-left, .mobile-menu-open .nav-right { display: flex; flex-direction: column; position: absolute; top: var(--header-height); left: 0; width: 100%; background: rgba(15, 26, 58, 0.98); backdrop-filter: blur(16px); padding: 16px 24px; gap: 4px; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .mobile-menu-open .nav-left { margin-right: 0; }
  .mobile-menu-open .nav-right { margin-left: 0; }
  .mobile-menu-open .nav-link { padding: 12px 16px; width: 100%; }
}
/* ===== Hero ===== */
.hero { position: relative; min-height: 86vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 120px 24px 80px; background: var(--primary-dark); overflow: hidden; }
.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(15,26,58,0.85) 0%, rgba(10,18,40,0.7) 50%, rgba(15,26,58,0.85) 100%); z-index: 2; }
.hero-content { position: relative; z-index: 3; max-width: 800px; }
.hero-tag { display: inline-block; padding: 6px 20px; background: rgba(232,184,48,0.15); color: var(--accent); border-radius: 30px; font-size: 0.9rem; font-weight: 600; letter-spacing: 1px; margin-bottom: 1.5rem; border: 1px solid rgba(232,184,48,0.2); }
.hero h1 { color: var(--text-white); margin-bottom: 1.2rem; font-weight: 800; letter-spacing: 1px; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 1.2rem; color: rgba(255,255,255,0.7); max-width: 640px; margin: 0 auto 2rem; line-height: 1.8; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-search { display: flex; max-width: 520px; margin: 2rem auto 0; background: rgba(255,255,255,0.1); border-radius: 50px; padding: 4px; border: 1px solid rgba(255,255,255,0.12); }
.hero-search input { flex: 1; background: transparent; color: var(--text-white); padding: 12px 20px; font-size: 1rem; }
.hero-search input::placeholder { color: rgba(255,255,255,0.4); }
.hero-search button { padding: 10px 28px; background: var(--accent); color: var(--primary); border-radius: 50px; font-weight: 600; cursor: pointer; transition: var(--transition); }
.hero-search button:hover { background: var(--accent-hover); }
/* ===== Features ===== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card { text-align: center; padding: 40px 28px; }
.feature-icon { width: 64px; height: 64px; margin: 0 auto 1.2rem; background: linear-gradient(135deg, var(--accent-light), var(--accent)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; color: var(--primary); }
.feature-card h3 { margin-bottom: 0.8rem; }
.feature-card p { font-size: 0.95rem; margin-bottom: 0; }
@media (max-width: 768px) { .features-grid { grid-template-columns: 1fr; gap: 20px; } }
/* ===== Categories ===== */
.categories { background: var(--bg-white); }
.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.cat-card { display: flex; flex-direction: column; position: relative; border-radius: var(--radius); overflow: hidden; background: var(--bg-card); box-shadow: var(--shadow); transition: var(--transition); }
.cat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.cat-card-img { height: 200px; overflow: hidden; }
.cat-card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.cat-card:hover .cat-card-img img { transform: scale(1.05); }
.cat-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.cat-card-body h3 { margin-bottom: 0.5rem; }
.cat-card-body p { font-size: 0.95rem; margin-bottom: 1rem; flex: 1; }
.cat-card-body .btn { align-self: flex-start; }
@media (max-width: 768px) { .cat-grid { grid-template-columns: 1fr; } }
/* ===== Latest Posts ===== */
.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post-card { display: flex; flex-direction: column; border-radius: var(--radius); overflow: hidden; background: var(--bg-card); box-shadow: var(--shadow); transition: var(--transition); }
.post-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.post-card-img { height: 180px; overflow: hidden; }
.post-card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.post-card:hover .post-card-img img { transform: scale(1.05); }
.post-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.post-card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-lighter); margin-bottom: 0.6rem; }
.post-card-meta .cat-badge { display: inline-block; padding: 2px 12px; background: var(--accent-light); color: var(--primary); border-radius: 12px; font-size: 0.75rem; font-weight: 600; }
.post-card-body h4 { font-size: 1.1rem; margin-bottom: 0.5rem; line-height: 1.4; }
.post-card-body h4 a { color: var(--primary); }
.post-card-body h4 a:hover { color: var(--accent); }
.post-card-body p { font-size: 0.9rem; margin-bottom: 0; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card-body .post-date { font-size: 0.8rem; color: var(--text-lighter); margin-top: 0.8rem; }
.empty-posts { grid-column: 1 / -1; text-align: center; padding: 48px 24px; color: var(--text-light); font-size: 1.1rem; background: var(--bg-white); border-radius: var(--radius); }
@media (max-width: 992px) { .posts-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .posts-grid { grid-template-columns: 1fr; } }
/* ===== Stats ===== */
.stats { background: var(--primary); position: relative; overflow: hidden; }
.stats::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; }
.stats .section-title h2 { color: var(--text-white); }
.stats .section-title p { color: rgba(255,255,255,0.6); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; z-index: 2; }
.stat-item { text-align: center; padding: 32px 16px; background: rgba(255,255,255,0.06); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.08); }
.stat-num { font-size: 2.8rem; font-weight: 800; color: var(--accent); line-height: 1.2; margin-bottom: 0.3rem; }
.stat-label { font-size: 1rem; color: rgba(255,255,255,0.7); }
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
@media (max-width: 480px) { .stats-grid { grid-template-columns: 1fr; } }
/* ===== Process ===== */
.process-steps { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; counter-reset: step; }
.process-step { flex: 1; min-width: 200px; max-width: 260px; text-align: center; padding: 32px 20px; background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); position: relative; }
.process-step::before { counter-increment: step; content: counter(step); position: absolute; top: -14px; left: 50%; transform: translateX(-50%); width: 32px; height: 32px; background: var(--accent); color: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.9rem; box-shadow: 0 2px 10px rgba(232,184,48,0.3); }
.process-step .step-icon { font-size: 2rem; color: var(--accent); margin-bottom: 1rem; margin-top: 0.5rem; }
.process-step h4 { margin-bottom: 0.5rem; }
.process-step p { font-size: 0.9rem; margin-bottom: 0; }
@media (max-width: 768px) { .process-steps { flex-direction: column; align-items: center; } }
/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 12px; overflow: hidden; }
.faq-q { padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 600; color: var(--primary); font-size: 1.05rem; transition: var(--transition); }
.faq-q:hover { background: rgba(232,184,48,0.04); }
.faq-q i { color: var(--accent); transition: var(--transition); font-size: 0.9rem; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { padding: 0 24px; max-height: 0; overflow: hidden; transition: all 0.3s ease; }
.faq-item.open .faq-a { padding: 0 24px 20px; max-height: 300px; }
.faq-a p { margin-bottom: 0; font-size: 0.95rem; }
/* ===== CTA ===== */
.cta { background: var(--primary); position: relative; overflow: hidden; text-align: center; }
.cta::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat; opacity: 0.08; z-index: 1; }
.cta .container { position: relative; z-index: 2; }
.cta h2 { color: var(--text-white); margin-bottom: 1rem; }
.cta p { color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 auto 2rem; font-size: 1.1rem; }
.cta .btn-primary { font-size: 1.1rem; padding: 14px 40px; }
/* ===== Footer ===== */
.footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.footer-brand h3 { color: var(--text-white); font-size: 1.4rem; margin-bottom: 0.8rem; }
.footer-brand h3 span { color: var(--accent); }
.footer-brand p { font-size: 0.95rem; color: rgba(255,255,255,0.5); max-width: 300px; }
.footer-col h4 { color: var(--text-white); font-size: 1rem; margin-bottom: 1rem; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a { color: rgba(255,255,255,0.5); font-size: 0.95rem; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-social { display: flex; gap: 12px; margin-top: 1rem; }
.footer-social 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 a:hover { background: var(--accent); color: var(--primary); }
.footer-bottom { padding: 20px 0; text-align: center; font-size: 0.9rem; color: rgba(255,255,255,0.35); }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
/* ===== Skeleton / Utilities ===== */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.gap-4 { gap: 16px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--text-lighter); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-light); }
/* ===== Focus ===== */
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #0f1b3d;
  --primary-light: #1a2d5e;
  --primary-dark: #080f24;
  --accent: #d4a843;
  --accent-light: #e8c56d;
  --accent-dark: #b8922e;
  --bg: #f5f6fa;
  --bg-white: #ffffff;
  --bg-card: #ffffff;
  --text: #2d3748;
  --text-light: #718096;
  --text-white: #f7fafc;
  --border: #e2e8f0;
  --border-light: #edf2f7;
  --shadow-sm: 0 2px 8px rgba(15, 27, 61, 0.06);
  --shadow: 0 4px 20px rgba(15, 27, 61, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 27, 61, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --max-width: 1200px;
  --header-height: 76px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
a { color: var(--primary); 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); }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
button { cursor: pointer; background: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--primary); font-weight: 700; }
h1 { font-size: 2.4rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { font-size: 2rem; position: relative; display: inline-block; }
.section-title h2::after { content: ''; display: block; width: 60px; height: 3px; background: var(--accent); margin: 12px auto 0; border-radius: 2px; }
.section-title p { color: var(--text-light); font-size: 1.05rem; margin-top: 12px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* ===== Header / Nav ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(15, 27, 61, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 168, 67, 0.15);
  height: var(--header-height);
  display: flex; align-items: center;
  transition: background var(--transition);
}
.header .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: nowrap; position: relative; }
.nav-left, .nav-right { display: flex; align-items: center; gap: 6px; flex: 1; }
.nav-right { justify-content: flex-end; }
.nav-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: var(--radius-sm);
  color: rgba(247, 250, 252, 0.75); font-size: 0.95rem; font-weight: 500;
  transition: all var(--transition); position: relative;
  white-space: nowrap;
}
.nav-link i { font-size: 0.9rem; }
.nav-link:hover { color: var(--accent-light); background: rgba(212, 168, 67, 0.1); }
.nav-link.active { color: var(--accent); background: rgba(212, 168, 67, 0.12); }
.nav-link.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 2px; background: var(--accent); border-radius: 1px; }
.logo {
  flex: 0 0 auto; text-align: center; padding: 0 20px;
  font-size: 1.5rem; font-weight: 800; letter-spacing: 1px;
  color: var(--text-white); white-space: nowrap;
}
.logo span { color: var(--accent); }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; background: none; border: none; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--text-white); border-radius: 2px; transition: var(--transition); }

/* ===== Hero / Banner ===== */
.article-banner {
  position: relative; margin-top: var(--header-height);
  padding: 100px 0 80px; overflow: hidden;
  background: var(--primary-dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  isolation: isolate;
}
.article-banner::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,27,61,0.92) 0%, rgba(15,27,61,0.7) 60%, rgba(212,168,67,0.15) 100%);
  z-index: 1;
}
.article-banner .container { position: relative; z-index: 2; }
.article-banner .breadcrumb {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  color: rgba(247,250,252,0.6); font-size: 0.9rem; margin-bottom: 24px;
}
.article-banner .breadcrumb a { color: rgba(247,250,252,0.7); }
.article-banner .breadcrumb a:hover { color: var(--accent-light); }
.article-banner .breadcrumb .sep { color: rgba(247,250,252,0.4); }
.article-banner .breadcrumb .current { color: var(--accent-light); }
.article-banner .banner-category {
  display: inline-block; padding: 4px 16px; border-radius: 20px;
  background: var(--accent); color: var(--primary-dark); font-size: 0.85rem; font-weight: 600;
  margin-bottom: 16px; letter-spacing: 0.5px;
}
.article-banner h1 {
  font-size: 2.6rem; color: var(--text-white); max-width: 840px;
  line-height: 1.3; font-weight: 800; margin-bottom: 20px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.article-banner .banner-meta {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  color: rgba(247,250,252,0.7); font-size: 0.95rem;
}
.article-banner .banner-meta i { margin-right: 6px; color: var(--accent); }

/* ===== Article Body ===== */
.article-body { padding: 60px 0; }
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.article-main { background: var(--bg-white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px; }
.article-main .featured-image { margin-bottom: 32px; border-radius: var(--radius-sm); overflow: hidden; }
.article-main .featured-image img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.article-content { font-size: 1.05rem; line-height: 1.9; color: var(--text); }
.article-content h2, .article-content h3, .article-content h4 { margin-top: 32px; margin-bottom: 16px; }
.article-content p { margin-bottom: 1.2rem; }
.article-content img { margin: 24px 0; border-radius: var(--radius-sm); }
.article-content ul, .article-content ol { margin-bottom: 1.2rem; padding-left: 24px; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 6px; }
.article-content blockquote {
  border-left: 4px solid var(--accent); background: var(--bg); padding: 16px 24px;
  margin: 24px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-light);
}
.article-content a { color: var(--accent-dark); border-bottom: 1px solid transparent; }
.article-content a:hover { border-bottom-color: var(--accent-dark); }
.article-tags { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }
.article-tags .tag-label { font-weight: 600; color: var(--primary); font-size: 0.9rem; }
.article-tags .tag {
  display: inline-block; padding: 4px 14px; border-radius: 20px;
  background: var(--bg); color: var(--text-light); font-size: 0.85rem;
  transition: all var(--transition); border: 1px solid var(--border);
}
.article-tags .tag:hover { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); }
.article-share { display: flex; align-items: center; gap: 12px; margin-top: 20px; }
.article-share .share-label { font-weight: 600; color: var(--primary); font-size: 0.9rem; }
.article-share .share-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%; background: var(--bg);
  color: var(--text-light); transition: all var(--transition); border: 1px solid var(--border);
}
.article-share .share-btn:hover { background: var(--primary); color: var(--text-white); border-color: var(--primary); transform: translateY(-2px); }

/* ===== Sidebar ===== */
.article-sidebar { display: flex; flex-direction: column; gap: 32px; }
.sidebar-card { background: var(--bg-white); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 28px; }
.sidebar-card h3 { font-size: 1.1rem; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--accent); }
.sidebar-card .sidebar-list { display: flex; flex-direction: column; gap: 12px; }
.sidebar-card .sidebar-item { display: flex; gap: 12px; align-items: flex-start; padding-bottom: 12px; border-bottom: 1px solid var(--border-light); }
.sidebar-card .sidebar-item:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-card .sidebar-item img { width: 70px; height: 52px; object-fit: cover; border-radius: 6px; flex-shrink: 0; }
.sidebar-card .sidebar-item .item-title { font-size: 0.92rem; font-weight: 600; color: var(--text); line-height: 1.4; transition: color var(--transition); }
.sidebar-card .sidebar-item .item-title:hover { color: var(--accent); }
.sidebar-card .sidebar-item .item-date { font-size: 0.8rem; color: var(--text-light); margin-top: 4px; }
.sidebar-cta { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); color: var(--text-white); text-align: center; padding: 32px 24px; }
.sidebar-cta h3 { color: var(--accent); border-bottom: none; margin-bottom: 12px; }
.sidebar-cta p { color: rgba(247,250,252,0.8); font-size: 0.9rem; margin-bottom: 20px; }
.sidebar-cta .btn { background: var(--accent); color: var(--primary-dark); }

/* ===== Article Nav (prev/next) ===== */
.article-nav { margin-top: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.article-nav .nav-item { background: var(--bg-white); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 24px; transition: all var(--transition); border: 1px solid var(--border-light); }
.article-nav .nav-item:hover { box-shadow: var(--shadow); transform: translateY(-2px); border-color: var(--accent); }
.article-nav .nav-item .nav-label { font-size: 0.8rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.article-nav .nav-item .nav-label i { color: var(--accent); }
.article-nav .nav-item .nav-title { font-size: 1rem; font-weight: 600; color: var(--primary); line-height: 1.4; }
.article-nav .nav-item:hover .nav-title { color: var(--accent); }
.article-nav .nav-item.next { text-align: right; }
.article-nav .nav-item.next .nav-label { justify-content: flex-end; }

/* ===== Related Posts ===== */
.related-section { background: var(--bg-white); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: var(--bg); border-radius: var(--radius); overflow: hidden; transition: all var(--transition); border: 1px solid var(--border-light); }
.related-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: var(--accent); }
.related-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.related-card .card-body { padding: 20px; }
.related-card .card-body .card-cat { font-size: 0.8rem; color: var(--accent); font-weight: 600; margin-bottom: 6px; }
.related-card .card-body h4 { font-size: 1rem; margin-bottom: 8px; line-height: 1.4; }
.related-card .card-body h4 a { color: var(--primary); }
.related-card .card-body h4 a:hover { color: var(--accent); }
.related-card .card-body .card-date { font-size: 0.82rem; color: var(--text-light); }

/* ===== CTA ===== */
.cta-section {
  background: var(--primary-dark) url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  isolation: isolate; position: relative;
}
.cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(15,27,61,0.88); z-index: 1; }
.cta-section .container { position: relative; z-index: 2; text-align: center; padding: 80px 24px; }
.cta-section h2 { color: var(--text-white); font-size: 2rem; margin-bottom: 16px; }
.cta-section p { color: rgba(247,250,252,0.75); font-size: 1.05rem; max-width: 600px; margin: 0 auto 32px; }
.cta-section .btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 32px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 1rem; transition: all var(--transition);
  border: 2px solid transparent; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-light); color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,168,67,0.3); }
.btn-outline { background: transparent; color: var(--text-white); border-color: rgba(247,250,252,0.4); }
.btn-outline:hover { background: rgba(247,250,252,0.1); border-color: var(--accent); color: var(--accent-light); transform: translateY(-2px); }
.btn-sm { padding: 8px 20px; font-size: 0.9rem; }

/* ===== Not Found ===== */
.not-found { text-align: center; padding: 100px 24px; }
.not-found .icon { font-size: 4rem; color: var(--accent); margin-bottom: 24px; }
.not-found h2 { font-size: 2rem; margin-bottom: 16px; }
.not-found p { color: var(--text-light); max-width: 500px; margin: 0 auto 24px; font-size: 1.05rem; }

/* ===== Footer ===== */
.footer {
  background: var(--primary-dark); color: rgba(247,250,252,0.7);
  padding: 60px 0 0; border-top: 1px solid rgba(212,168,67,0.1);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(247,250,252,0.06); }
.footer-brand h3 { font-size: 1.5rem; color: var(--text-white); margin-bottom: 12px; }
.footer-brand h3 span { color: var(--accent); }
.footer-brand p { font-size: 0.92rem; line-height: 1.7; max-width: 360px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(247,250,252,0.06); color: rgba(247,250,252,0.6);
  font-size: 1.1rem; transition: all var(--transition); border: 1px solid rgba(247,250,252,0.08);
}
.footer-social a:hover { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); transform: translateY(-3px); }
.footer-col h4 { color: var(--text-white); font-size: 1rem; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(247,250,252,0.55); font-size: 0.9rem; transition: all var(--transition); }
.footer-col ul li a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-bottom { text-align: center; padding: 24px 0; font-size: 0.85rem; color: rgba(247,250,252,0.35); }

/* ===== Empty State ===== */
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-light); }
.empty-state i { font-size: 2.5rem; color: var(--accent); margin-bottom: 16px; }
.empty-state p { font-size: 1rem; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .article-banner h1 { font-size: 2.2rem; }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }
  .nav-left, .nav-right { display: none; }
  .mobile-toggle { display: flex; }
  .header .container { justify-content: space-between; }
  .logo { order: 0; font-size: 1.25rem; padding: 0 12px; }
  .mobile-toggle { order: 1; }
  .nav-left { order: 2; }
  .mobile-menu-open .nav-left,
  .mobile-menu-open .nav-right {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: var(--header-height); left: 0; right: 0;
    background: rgba(15,27,61,0.98); backdrop-filter: blur(12px);
    padding: 16px 24px; gap: 4px; border-bottom: 1px solid rgba(212,168,67,0.15);
  }
  .mobile-menu-open .nav-right { top: calc(var(--header-height) + 180px); }
  .mobile-menu-open .nav-link { padding: 12px 16px; border-radius: var(--radius-sm); }
  .article-banner { padding: 80px 0 60px; }
  .article-banner h1 { font-size: 1.6rem; }
  .article-main { padding: 24px; }
  .article-nav { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .article-sidebar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 60px 0; }
  .cta-section .container { padding: 60px 24px; }
  .cta-section h2 { font-size: 1.5rem; }
  .article-banner .banner-meta { gap: 16px; font-size: 0.85rem; }
  .sidebar-card .sidebar-item img { width: 60px; height: 44px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .article-banner h1 { font-size: 1.4rem; }
  .article-main { padding: 16px; }
  .article-content { font-size: 0.95rem; }
  .article-tags { flex-direction: column; align-items: flex-start; }
  .btn { padding: 10px 24px; font-size: 0.9rem; }
  .section-title h2 { font-size: 1.5rem; }
  .article-banner .banner-category { font-size: 0.75rem; padding: 3px 12px; }
  .sidebar-card { padding: 20px; }
}

/* ===== Mobile Toggle Animation ===== */
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #0b1a33;
            --color-primary-light: #132a4a;
            --color-accent: #d4a843;
            --color-accent-light: #e8c56d;
            --color-accent-dark: #b8922e;
            --color-bg: #ffffff;
            --color-bg-alt: #f4f6fa;
            --color-bg-card: #ffffff;
            --color-text: #1a1a2e;
            --color-text-secondary: #5a6270;
            --color-text-light: #8e95a2;
            --color-border: #e2e6ee;
            --color-border-light: #eef1f6;
            --color-white: #ffffff;
            --color-dark-overlay: rgba(10, 22, 40, 0.70);
            --color-shadow: rgba(10, 22, 40, 0.08);
            --color-shadow-hover: rgba(10, 22, 40, 0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px var(--color-shadow);
            --shadow-md: 0 6px 24px var(--color-shadow);
            --shadow-lg: 0 14px 40px var(--color-shadow-hover);
            --transition: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --header-height: 76px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--color-accent-dark);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-primary);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-pad {
            padding: 80px 0;
        }

        .section-pad-sm {
            padding: 48px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 640px;
            line-height: 1.6;
        }

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

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            z-index: 1000;
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: 0 2px 20px var(--color-shadow);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            justify-content: flex-end;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 40px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-link i {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }

        .nav-link.active {
            color: var(--color-white);
            background: var(--color-primary);
        }

        .nav-link.active i {
            opacity: 1;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            transition: opacity var(--transition);
        }

        .logo:hover {
            opacity: 0.85;
            color: var(--color-primary);
        }

        .logo span {
            color: var(--color-accent);
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-accent);
            border-radius: 40px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .cta-btn:hover {
            background: var(--color-accent-dark);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(212, 168, 67, 0.35);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .mobile-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 4px;
            transition: all var(--transition);
        }

        /* ===== Mobile Nav Overlay ===== */
        .mobile-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 24px 20px 32px;
            box-shadow: 0 12px 40px var(--color-shadow);
            z-index: 999;
            border-bottom: 1px solid var(--color-border);
        }

        .mobile-overlay.open {
            display: block;
        }

        .mobile-overlay .nav-link {
            display: flex;
            padding: 14px 20px;
            font-size: 1rem;
            border-radius: var(--radius-sm);
        }

        .mobile-overlay .nav-link i {
            font-size: 1rem;
            width: 24px;
        }

        .mobile-overlay .cta-btn {
            display: flex;
            justify-content: center;
            margin-top: 16px;
            padding: 14px;
            font-size: 1rem;
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            position: relative;
            margin-top: var(--header-height);
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--color-dark-overlay);
            backdrop-filter: blur(2px);
            -webkit-backdrop-filter: blur(2px);
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 24px;
        }

        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--color-white);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .category-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(212, 168, 67, 0.2);
            border: 1px solid rgba(212, 168, 67, 0.3);
            border-radius: 40px;
            font-size: 0.85rem;
            color: var(--color-accent-light);
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .hero-badge i {
            font-size: 0.8rem;
        }

        .hero-search {
            display: flex;
            max-width: 520px;
            margin: 0 auto;
            background: var(--color-white);
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
        }

        .hero-search input {
            flex: 1;
            padding: 14px 22px;
            font-size: 0.95rem;
            color: var(--color-text);
            background: transparent;
            border: none;
        }

        .hero-search input::placeholder {
            color: var(--color-text-light);
        }

        .hero-search button {
            padding: 14px 28px;
            background: var(--color-accent);
            color: var(--color-white);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            transition: background var(--transition);
        }

        .hero-search button:hover {
            background: var(--color-accent-dark);
        }

        /* ===== Category Intro ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .intro-text h2 {
            font-size: 2rem;
            margin-bottom: 16px;
        }

        .intro-text p {
            color: var(--color-text-secondary);
            margin-bottom: 16px;
            font-size: 1.02rem;
        }

        .intro-text .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 20px;
        }

        .intro-text .feature-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.98rem;
            color: var(--color-text);
        }

        .intro-text .feature-list li i {
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: 50%;
            font-size: 0.75rem;
            flex-shrink: 0;
        }

        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .intro-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        /* ===== Category Cards Grid ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
            gap: 28px;
        }

        .cat-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }

        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .cat-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .cat-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .cat-card .card-img .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 14px;
            background: var(--color-accent);
            color: var(--color-white);
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 40px;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .cat-card .card-body {
            padding: 22px 22px 26px;
        }

        .cat-card .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }

        .cat-card .card-body p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .cat-card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.84rem;
            color: var(--color-text-light);
        }

        .cat-card .card-body .card-meta span i {
            margin-right: 4px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent-dark);
            transition: gap var(--transition);
        }

        .card-link:hover {
            gap: 12px;
            color: var(--color-accent);
        }

        /* ===== Steps / Process ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            counter-reset: step;
        }

        .step-item {
            text-align: center;
            padding: 36px 20px 32px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }

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

        .step-item .step-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary);
            color: var(--color-white);
            font-size: 1.4rem;
            font-weight: 800;
            border-radius: 50%;
            transition: background var(--transition);
        }

        .step-item:hover .step-num {
            background: var(--color-accent);
        }

        .step-item h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== Latest News / Posts ===== */
        .post-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .post-item {
            display: flex;
            gap: 24px;
            padding: 22px 24px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            align-items: flex-start;
        }

        .post-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(4px);
        }

        .post-item .post-thumb {
            width: 140px;
            min-height: 100px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .post-item .post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .post-item:hover .post-thumb img {
            transform: scale(1.04);
        }

        .post-item .post-info {
            flex: 1;
        }

        .post-item .post-info h4 {
            font-size: 1.08rem;
            margin-bottom: 6px;
            transition: color var(--transition);
        }

        .post-item:hover .post-info h4 {
            color: var(--color-accent-dark);
        }

        .post-item .post-info p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .post-item .post-info .post-meta {
            display: flex;
            gap: 18px;
            font-size: 0.82rem;
            color: var(--color-text-light);
        }

        .post-item .post-info .post-meta span i {
            margin-right: 4px;
        }

        /* ===== Stats / Data ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 28px;
            text-align: center;
        }

        .stat-item {
            padding: 32px 16px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .stat-item .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-item .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
            gap: 12px;
        }

        .faq-question:hover {
            background: var(--color-bg-alt);
        }

        .faq-question i {
            font-size: 0.85rem;
            color: var(--color-accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .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 24px;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 24px 18px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-primary) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--color-dark-overlay);
            border-radius: var(--radius-lg);
        }

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

        .cta-section h2 {
            font-size: 2.2rem;
            color: var(--color-white);
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 28px;
        }

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

        .cta-section .cta-group .btn-primary {
            padding: 14px 36px;
            background: var(--color-accent);
            color: var(--color-white);
            font-weight: 600;
            font-size: 1rem;
            border-radius: 50px;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cta-section .cta-group .btn-primary:hover {
            background: var(--color-accent-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(212, 168, 67, 0.35);
        }

        .cta-section .cta-group .btn-outline {
            padding: 14px 36px;
            background: transparent;
            color: var(--color-white);
            font-weight: 600;
            font-size: 1rem;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cta-section .cta-group .btn-outline:hover {
            border-color: var(--color-white);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 16px 0 0;
            font-size: 0.85rem;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

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

        .breadcrumb span {
            color: rgba(255, 255, 255, 0.5);
        }

        .breadcrumb .current {
            color: var(--color-accent-light);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
        }

        .footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer .footer-brand h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 12px;
        }

        .footer .footer-brand h3 span {
            color: var(--color-accent);
        }

        .footer .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 18px;
            max-width: 300px;
        }

        .footer .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer .footer-social a {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: all var(--transition);
        }

        .footer .footer-social a:hover {
            background: var(--color-accent);
            color: var(--color-white);
            transform: translateY(-3px);
        }

        .footer .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
        }

        .footer .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition);
        }

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

        .footer .footer-bottom {
            padding-top: 28px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.3px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

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

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

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }

            .section-pad {
                padding: 52px 0;
            }
            .section-pad-sm {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }

            .nav-left,
            .nav-right {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .header-inner {
                justify-content: space-between;
            }

            .logo {
                font-size: 1.25rem;
            }

            .category-hero {
                min-height: 320px;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .category-hero p {
                font-size: 1rem;
            }

            .hero-search {
                flex-direction: column;
                border-radius: var(--radius-sm);
            }
            .hero-search input {
                padding: 12px 18px;
            }
            .hero-search button {
                padding: 12px 18px;
                width: 100%;
            }

            .cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .post-item {
                flex-direction: column;
                padding: 16px;
            }
            .post-item .post-thumb {
                width: 100%;
                height: 160px;
            }

            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .cta-section {
                padding: 40px 24px;
                border-radius: var(--radius-md);
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }

            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .category-hero h1 {
                font-size: 1.7rem;
            }
            .category-hero p {
                font-size: 0.92rem;
            }
            .category-hero {
                min-height: 280px;
            }

            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-num {
                font-size: 2rem;
            }

            .post-item .post-thumb {
                height: 140px;
            }

            .intro-image img {
                height: 220px;
            }

            .cta-section {
                padding: 32px 16px;
            }
            .cta-section .cta-group .btn-primary,
            .cta-section .cta-group .btn-outline {
                width: 100%;
                justify-content: center;
                padding: 13px 24px;
            }

            .breadcrumb {
                font-size: 0.78rem;
                gap: 4px;
            }
        }

        /* ===== Utility ===== */
        .bg-alt {
            background: var(--color-bg-alt);
        }

        .gap-24 {
            gap: 24px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .mb-48 {
            margin-bottom: 48px;
        }