/* roulang page: index */
:root {
  --primary: #16294d;
  --primary-light: #2b4a7d;
  --accent: #e8a838;
  --accent-light: #f3c058;
  --bg: #f4f6fa;
  --white: #ffffff;
  --text: #1c2838;
  --text-weak: #5d6e82;
  --border: #e1e7ef;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(22, 41, 77, 0.08);
  --shadow-hover: 0 14px 40px rgba(22, 41, 77, 0.14);
  --transition: all 0.3s ease;
  --section-space: 88px;
  --mega-bg: #f0f4fa;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: var(--primary); transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.grid-container { max-width: 1200px; }
::selection { background: var(--accent); color: var(--primary); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 15px; border: 2px solid transparent; transition: var(--transition); cursor: pointer; line-height: 1.2; }
.btn-primary { background: var(--accent); color: var(--primary); border-color: var(--accent); box-shadow: 0 4px 16px rgba(232, 168, 56, 0.35); }
.btn-primary:hover { background: var(--accent-light); border-color: var(--accent-light); color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232, 168, 56, 0.45); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, 0.7); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); color: var(--white); border-color: var(--white); transform: translateY(-2px); }
.btn-dark { background: var(--primary); color: var(--white); border-color: var(--primary); }
.btn-dark:hover { background: var(--primary-light); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-sm { padding: 9px 22px; font-size: 14px; }
.btn-lg { padding: 16px 42px; font-size: 16px; }
:focus-visible { outline: 3px solid rgba(232, 168, 56, 0.5); outline-offset: 2px; }

.site-header { position: sticky; top: 0; z-index: 999; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand-logo { font-size: 24px; font-weight: 800; color: var(--primary); letter-spacing: 1px; display: flex; align-items: center; gap: 4px; }
.brand-logo i { color: var(--accent); font-size: 20px; }
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav > ul { display: flex; align-items: center; gap: 28px; }
.nav-link { font-size: 15px; font-weight: 500; color: var(--text); position: relative; padding: 6px 2px; }
.nav-link:hover { color: var(--primary); }
.nav-link::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--accent); border-radius: 2px; transition: var(--transition); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--primary); font-weight: 700; }
.nav-link.active::after { width: 100%; }
.mega-panel { position: absolute; top: 74px; left: 50%; transform: translateX(-50%) translateY(10px); width: 440px; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-hover); border: 1px solid var(--border); opacity: 0; visibility: hidden; transition: var(--transition); z-index: 100; padding: 26px; display: flex; gap: 30px; }
.main-nav:hover .mega-panel { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.mega-col { flex: 1; }
.mega-col h4 { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 12px; letter-spacing: 1px; text-transform: uppercase; }
.mega-col a { display: block; padding: 7px 0; font-size: 14px; color: var(--text-weak); }
.mega-col a:hover { color: var(--accent); transform: translateX(4px); }
.header-tools { display: flex; align-items: center; gap: 14px; }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.mobile-toggle span { width: 24px; height: 2px; background: var(--primary); border-radius: 2px; transition: var(--transition); }
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1024px) {
  .mega-panel { display: none; }
}
@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  .main-nav { position: fixed; top: 74px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 24px; box-shadow: 0 16px 40px rgba(22, 41, 77, 0.12); transform: translateY(-130%); transition: var(--transition); border-bottom: 1px solid var(--border); }
  .main-nav.open { transform: translateY(0); }
  .main-nav > ul { flex-direction: column; gap: 16px; width: 100%; }
  .main-nav > ul li { width: 100%; }
  .nav-link { display: block; padding: 10px 0; font-size: 16px; border-bottom: 1px solid var(--border); }
  .header-tools .btn { display: none; }
}

.hero-section { position: relative; background: linear-gradient(135deg, rgba(22, 41, 77, 0.88), rgba(43, 74, 125, 0.72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; color: var(--white); padding: 120px 0 100px; overflow: hidden; }
.hero-inner { position: relative; z-index: 2; }
.hero-tag { display: inline-block; background: rgba(232, 168, 56, 0.25); border: 1px solid rgba(232, 168, 56, 0.6); color: var(--accent-light); padding: 6px 18px; border-radius: 50px; font-size: 13px; font-weight: 600; letter-spacing: 1px; margin-bottom: 24px; }
.hero-title { font-size: 52px; font-weight: 800; line-height: 1.2; margin-bottom: 22px; letter-spacing: 2px; }
.hero-title span { color: var(--accent); }
.hero-desc { font-size: 18px; color: rgba(255, 255, 255, 0.85); max-width: 640px; margin-bottom: 34px; line-height: 1.8; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 36px; margin-top: 56px; padding-top: 30px; border-top: 1px solid rgba(255, 255, 255, 0.18); }
.hero-meta-item { display: flex; align-items: center; gap: 12px; }
.hero-meta-item i { font-size: 24px; color: var(--accent); }
.hero-meta-item strong { font-size: 18px; display: block; line-height: 1.2; }
.hero-meta-item span { font-size: 13px; color: rgba(255, 255, 255, 0.75); }
@media (max-width: 768px) {
  .hero-title { font-size: 34px; }
  .hero-desc { font-size: 16px; }
  .hero-section { padding: 80px 0; }
  .hero-meta { flex-wrap: wrap; gap: 20px; }
}

.section-space { padding: var(--section-space) 0; }
.section-head { text-align: center; margin-bottom: 52px; }
.section-tag { display: inline-block; background: rgba(232, 168, 56, 0.14); color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: 1px; padding: 5px 16px; border-radius: 50px; margin-bottom: 12px; }
.section-head h2 { font-size: 34px; font-weight: 800; color: var(--primary); line-height: 1.3; margin-bottom: 10px; }
.section-head p { color: var(--text-weak); font-size: 16px; max-width: 560px; margin: 0 auto; }

.about-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; }
.about-image { position: relative; min-height: 320px; }
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.about-body { padding: 44px; display: flex; flex-direction: column; justify-content: center; }
.about-body h3 { font-size: 26px; font-weight: 700; color: var(--primary); margin-bottom: 18px; }
.about-body p { color: var(--text-weak); margin-bottom: 16px; line-height: 1.8; }
.about-points { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }
.about-points span { background: var(--mega-bg); border: 1px solid var(--border); padding: 6px 14px; border-radius: 50px; font-size: 13px; font-weight: 500; color: var(--primary); }
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-body { padding: 28px; }
}

.cat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.cat-card { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); background: var(--white); }
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.cat-card-img { height: 230px; overflow: hidden; position: relative; }
.cat-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.cat-card:hover .cat-card-img img { transform: scale(1.05); }
.cat-card-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(22, 41, 77, 0.45)); }
.cat-card-body { padding: 28px; }
.cat-card-body h3 { font-size: 22px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.cat-card-body p { color: var(--text-weak); font-size: 15px; margin-bottom: 18px; }
.cat-card-link { font-weight: 600; font-size: 14px; color: var(--accent); }
@media (max-width: 768px) {
  .cat-grid { grid-template-columns: 1fr; }
}

.latest-section { background: var(--white); }
.latest-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.latest-item { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: var(--transition); }
.latest-item:hover { background: var(--white); box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.latest-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.badge { background: var(--accent); color: var(--primary); font-size: 12px; font-weight: 700; padding: 3px 12px; border-radius: 50px; }
.latest-item time { font-size: 13px; color: var(--text-weak); }
.latest-item h3 { font-size: 18px; font-weight: 600; line-height: 1.5; margin-bottom: 10px; }
.latest-item h3 a { color: var(--text); }
.latest-item h3 a:hover { color: var(--primary); }
.latest-item p { color: var(--text-weak); font-size: 14px; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.read-more { font-size: 14px; font-weight: 600; color: var(--primary); }
.read-more:hover { color: var(--accent); }
.empty-tip { grid-column: 1 / -1; text-align: center; color: var(--text-weak); padding: 40px; background: var(--bg); border-radius: var(--radius); font-size: 16px; }
@media (max-width: 768px) {
  .latest-list { grid-template-columns: 1fr; }
}

.stats-section { background: var(--primary); color: var(--white); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-item { padding: 32px 16px; }
.stat-item .number { font-size: 42px; font-weight: 800; color: var(--accent); margin-bottom: 8px; line-height: 1.2; }
.stat-item .label { font-size: 15px; color: rgba(255, 255, 255, 0.7); }
@media (max-width: 767px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

.reco-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.reco-card { background: var(--white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); }
.reco-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.reco-card-img { height: 180px; overflow: hidden; }
.reco-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.reco-card:hover .reco-card-img img { transform: scale(1.05); }
.reco-card-body { padding: 22px; }
.reco-tag { font-size: 12px; font-weight: 600; color: var(--primary); background: var(--mega-bg); padding: 3px 10px; border-radius: 50px; display: inline-block; margin-bottom: 10px; }
.reco-card-body h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; line-height: 1.5; }
.reco-card-body p { font-size: 14px; color: var(--text-weak); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
@media (max-width: 968px) {
  .reco-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .reco-grid { grid-template-columns: 1fr; }
}

.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; }
.faq-item summary { padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--primary); cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; transition: var(--transition); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 14px; color: var(--accent); transition: var(--transition); }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item summary:hover { background: var(--mega-bg); }
.faq-item .faq-answer { padding: 0 24px 22px; color: var(--text-weak); line-height: 1.8; font-size: 15px; }

.cta-section { position: relative; background: linear-gradient(120deg, rgba(22, 41, 77, 0.92), rgba(43, 74, 125, 0.8)), url('/assets/images/backpic/back-2.png') center/cover no-repeat; color: var(--white); padding: 80px 0; text-align: center; }
.cta-section h2 { font-size: 34px; font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 17px; color: rgba(255, 255, 255, 0.8); max-width: 560px; margin: 0 auto 32px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.site-footer { background: var(--primary); color: rgba(255, 255, 255, 0.75); padding: 50px 0 20px; }
.footer-top { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding-bottom: 34px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.footer-brand h3 { font-size: 22px; font-weight: 800; color: var(--white); margin-bottom: 12px; }
.footer-brand p { font-size: 14px; max-width: 340px; line-height: 1.7; }
.footer-links h4 { font-size: 15px; font-weight: 600; color: var(--white); margin-bottom: 14px; }
.footer-links ul li { margin-bottom: 8px; }
.footer-links ul li a { color: rgba(255, 255, 255, 0.65); font-size: 14px; }
.footer-links ul li a:hover { color: var(--accent); }
.footer-bottom { text-align: center; padding-top: 20px; font-size: 13px; color: rgba(255, 255, 255, 0.4); }
@media (max-width: 600px) {
  .footer-top { grid-template-columns: 1fr; }
}

.page-banner { position: relative; background: linear-gradient(135deg, rgba(22, 41, 77, 0.9), rgba(43, 74, 125, 0.7)), url('/assets/images/backpic/back-3.png') center/cover no-repeat; color: var(--white); padding: 80px 0 60px; text-align: center; }
.page-banner h1 { font-size: 38px; font-weight: 800; margin-bottom: 12px; }
.page-banner p { font-size: 16px; color: rgba(255, 255, 255, 0.8); max-width: 600px; margin: 0 auto; }
.page-banner .breadcrumb { margin-top: 18px; font-size: 14px; color: rgba(255, 255, 255, 0.5); }
.page-banner .breadcrumb a { color: var(--accent); }
@media (max-width: 600px) {
  .page-banner h1 { font-size: 28px; }
}

/* roulang page: article */
:root {
  --primary: #0f1e3d;
  --primary-light: #16294f;
  --primary-soft: #1f3561;
  --accent: #f59e3c;
  --accent-dark: #d9822b;
  --bg: #f4f6fb;
  --white: #ffffff;
  --text: #1c1f26;
  --muted: #6e7685;
  --border: #e2e7f0;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 14px rgba(15, 30, 61, 0.06);
  --shadow-md: 0 8px 30px rgba(15, 30, 61, 0.10);
  --shadow-hover: 0 16px 40px rgba(15, 30, 61, 0.16);
  --spacing-section: 96px;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-main); background: var(--bg); color: var(--text); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; transition: color .25s ease, border-color .25s ease, background .25s ease; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; line-height: 1.3; font-weight: 700; color: var(--primary); }
p { margin: 0 0 1em; }
input, button, textarea { font-family: inherit; }
button { cursor: pointer; border: none; background: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: 50px; font-weight: 600; font-size: 15px; line-height: 1.2; transition: all .28s ease; border: 2px solid transparent; }
.btn-primary { background: var(--accent); color: #26221c; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-3px); box-shadow: 0 10px 28px rgba(245, 158, 60, .35); }
.btn-outline { border-color: rgba(255,255,255,.65); color: #fff; background: transparent; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.12); transform: translateY(-3px); }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { background: #f0f2f8; color: var(--primary); transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0,0,0,.18); }
/* ===== Header ===== */
.site-header { background: rgba(15, 30, 61, .97); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 999; border-bottom: 1px solid rgba(255,255,255,.06); box-shadow: 0 4px 24px rgba(0,0,0,.28); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; position: relative; }
.logo { font-size: 24px; font-weight: 800; color: #fff; letter-spacing: 1px; display: flex; align-items: center; gap: 10px; position: relative; z-index: 10; }
.logo::before { content: ""; width: 10px; height: 28px; background: var(--accent); border-radius: 6px; display: inline-block; }
.logo:hover { color: var(--accent); }
.main-nav { display: flex; align-items: center; height: 74px; position: static; }
.main-nav > ul { display: flex; align-items: center; gap: 4px; height: 100%; }
.main-nav > ul > li { position: relative; height: 100%; display: flex; align-items: center; }
.nav-link { color: rgba(255,255,255,.78); font-weight: 500; font-size: 15px; padding: 10px 20px; border-radius: 40px; transition: all .25s ease; letter-spacing: .3px; }
.nav-link:hover { color: #fff; background: rgba(245,158,60,.16); }
.nav-link.active { color: #fff; background: linear-gradient(135deg, rgba(245,158,60,.24), rgba(245,158,60,.08)); box-shadow: inset 0 0 0 1px rgba(245,158,60,.35); }
.mega-panel { position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(12px); background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-hover); padding: 28px 32px; display: flex; gap: 42px; opacity: 0; visibility: hidden; transition: all .3s ease; min-width: 520px; border-top: 3px solid var(--accent); }
.main-nav:hover .mega-panel { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.mega-panel::before { content: ""; position: absolute; top: -14px; left: 0; right: 0; height: 14px; }
.mega-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 1.6px; color: var(--muted); margin-bottom: 14px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.mega-col a { display: flex; align-items: center; gap: 8px; padding: 8px 0; color: var(--text); font-weight: 500; font-size: 14px; }
.mega-col a i { color: var(--accent); font-size: 11px; }
.mega-col a:hover { color: var(--accent); transform: translateX(4px); }
.nav-toggle { display: none; color: #fff; font-size: 24px; width: 44px; height: 44px; border-radius: 10px; align-items: center; justify-content: center; transition: background .2s; z-index: 10; }
.nav-toggle:hover { background: rgba(255,255,255,.1); }
/* ===== Article Hero ===== */
.article-hero { background: linear-gradient(135deg, rgba(15,30,61,.92), rgba(22,41,79,.84)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; padding: 72px 0 68px; color: #fff; position: relative; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: rgba(255,255,255,.62); font-size: 13px; margin-bottom: 22px; }
.breadcrumb a { color: rgba(255,255,255,.78); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 10px; color: rgba(255,255,255,.4); }
.article-hero h1 { color: #fff; font-size: 40px; line-height: 1.25; max-width: 820px; margin-bottom: 18px; letter-spacing: .5px; text-shadow: 0 4px 24px rgba(0,0,0,.2); }
.article-hero-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; color: rgba(255,255,255,.7); }
.article-hero-meta span { display: inline-flex; align-items: center; gap: 7px; background: rgba(255,255,255,.1); padding: 6px 14px; border-radius: 30px; backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,.12); }
.article-hero-meta i { color: var(--accent); }
/* ===== Article Main ===== */
.article-main-wrap { padding: 72px 0 88px; }
.article-content-col { padding-bottom: 30px; }
.article-card { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 44px 48px; border: 1px solid var(--border); }
.article-content { color: #333a47; font-size: 16.5px; line-height: 1.9; }
.article-content > *:last-child { margin-bottom: 0; }
.article-content h2 { font-size: 26px; margin: 44px 0 18px; padding-left: 18px; border-left: 4px solid var(--accent); }
.article-content h3 { font-size: 21px; margin: 36px 0 14px; color: var(--primary-soft); }
.article-content h4 { font-size: 18px; margin: 28px 0 12px; color: var(--primary-soft); }
.article-content p { margin-bottom: 18px; }
.article-content ul, .article-content ol { margin: 0 0 22px 24px; }
.article-content ul li { list-style: disc; margin-bottom: 8px; padding-left: 4px; }
.article-content ol li { list-style: decimal; margin-bottom: 8px; padding-left: 4px; }
.article-content blockquote { border-left: 4px solid var(--accent); background: #fff8ef; padding: 18px 24px; border-radius: 0 var(--radius-md) var(--radius-md) 0; margin: 24px 0; color: var(--primary-soft); font-style: italic; }
.article-content img { border-radius: var(--radius-md); margin: 28px 0; box-shadow: var(--shadow-md); }
.article-content a { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--accent); }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; background: #fff; border-radius: var(--radius-md); overflow: hidden; }
.article-content table th, .article-content table td { border: 1px solid var(--border); padding: 12px 16px; text-align: left; }
.article-content table th { background: var(--primary); color: #fff; font-weight: 600; }
.article-content iframe { max-width: 100%; border-radius: var(--radius-md); }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; padding-top: 26px; border-top: 1px solid var(--border); }
.article-tags .tag { background: #f0f2f8; color: var(--primary-soft); font-size: 13px; padding: 6px 14px; border-radius: 30px; font-weight: 500; transition: all .2s; }
.article-tags .tag:hover { background: var(--accent); color: #fff; }
.article-share { display: flex; align-items: center; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.article-share span { font-size: 14px; color: var(--muted); font-weight: 500; }
.article-share a { width: 38px; height: 38px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: #f0f2f8; color: var(--primary-soft); font-size: 15px; transition: all .25s; }
.article-share a:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
/* ===== Not Found ===== */
.not-found { text-align: center; padding: 60px 20px; }
.not-found i { font-size: 64px; color: var(--border); margin-bottom: 18px; }
.not-found h2 { font-size: 30px; margin-bottom: 12px; }
.not-found p { color: var(--muted); margin-bottom: 28px; }
/* ===== Sidebar ===== */
.article-sidebar .sidebar-card { background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 28px 26px; margin-bottom: 24px; border: 1px solid var(--border); }
.sidebar-card .card-title { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.sidebar-card .card-title i { color: var(--accent); }
.sidebar-cat-list li { border-bottom: 1px solid var(--border); }
.sidebar-cat-list li:last-child { border-bottom: 0; }
.sidebar-cat-list a { display: flex; align-items: center; justify-content: space-between; padding: 13px 4px; color: var(--text); font-weight: 500; font-size: 15px; transition: all .2s; }
.sidebar-cat-list a i { color: var(--accent); font-size: 12px; transition: transform .2s; }
.sidebar-cat-list a:hover { color: var(--accent); transform: translateX(4px); }
.sidebar-cat-list a:hover i { transform: translateX(2px); }
.sidebar-guide-list li { padding: 9px 0; border-bottom: 1px dashed var(--border); }
.sidebar-guide-list li:last-child { border-bottom: 0; }
.sidebar-guide-list a { display: flex; align-items: center; gap: 10px; color: var(--text); font-size: 14px; }
.sidebar-guide-list a i { color: var(--accent); font-size: 10px; }
.sidebar-guide-list a:hover { color: var(--accent); }
.sidebar-contact { background: linear-gradient(145deg, var(--primary), var(--primary-soft)) !important; color: #fff; text-align: center; }
.sidebar-contact .card-title { color: #fff; justify-content: center; }
.sidebar-contact p { color: rgba(255,255,255,.72); font-size: 14px; margin-bottom: 20px; }
.sidebar-contact .btn { width: 100%; }
/* ===== Related Section ===== */
.related-section { background: #fff; padding: var(--spacing-section) 0; border-top: 1px solid var(--border); }
.section-head { text-align: center; margin-bottom: 48px; }
.section-tag { display: inline-block; background: rgba(245,158,60,.14); color: var(--accent-dark); font-size: 13px; font-weight: 700; letter-spacing: 1px; padding: 6px 16px; border-radius: 30px; margin-bottom: 12px; }
.section-head h2 { font-size: 32px; color: var(--primary); margin-bottom: 8px; }
.section-head p { color: var(--muted); font-size: 16px; }
.related-card { background: var(--bg); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); transition: all .3s ease; height: 100%; display: flex; flex-direction: column; }
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.related-card .card-img { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .card-img img { transform: scale(1.06); }
.related-card .card-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(15,30,61,.55)); }
.related-card .card-body { padding: 26px 24px 32px; display: flex; flex-direction: column; flex: 1; }
.related-card .card-cat { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; color: var(--accent-dark); background: rgba(245,158,60,.12); padding: 4px 12px; border-radius: 20px; margin-bottom: 12px; width: fit-content; }
.related-card h3 { font-size: 19px; margin-bottom: 10px; color: var(--primary); line-height: 1.4; }
.related-card p { color: var(--muted); font-size: 14px; margin-bottom: 20px; flex: 1; }
.related-card .card-link { font-weight: 700; color: var(--accent-dark); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.related-card .card-link:hover { gap: 10px; color: var(--accent); }
/* ===== CTA Section ===== */
.cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-soft) 100%); position: relative; overflow: hidden; padding: 84px 0; }
.cta-section::before { content: ""; position: absolute; top: -90px; right: -60px; width: 320px; height: 320px; background: radial-gradient(circle, rgba(245,158,60,.25), transparent 70%); border-radius: 50%; }
.cta-section::after { content: ""; position: absolute; bottom: -120px; left: -80px; width: 400px; height: 400px; background: radial-gradient(circle, rgba(255,255,255,.06), transparent 70%); border-radius: 50%; }
.cta-box { text-align: center; position: relative; z-index: 2; }
.cta-box h2 { color: #fff; font-size: 34px; margin-bottom: 14px; }
.cta-box p { color: rgba(255,255,255,.72); max-width: 640px; margin: 0 auto 32px; font-size: 16px; }
.cta-box .btn-group { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
/* ===== Footer ===== */
.site-footer { background: #091328; color: rgba(255,255,255,.72); padding: 58px 0 0; border-top: 1px solid rgba(255,255,255,.06); }
.site-footer .grid-container { max-width: 1280px; padding: 0 32px; }
.footer-top { display: flex; flex-wrap: wrap; gap: 48px; justify-content: space-between; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand { max-width: 360px; }
.footer-brand h3 { color: #fff; font-size: 24px; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.footer-brand h3::before { content: ""; width: 8px; height: 24px; background: var(--accent); border-radius: 5px; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,.5); margin: 0; }
.footer-links h4 { color: #fff; font-size: 16px; margin-bottom: 14px; letter-spacing: .5px; }
.footer-links ul li { margin-bottom: 8px; }
.footer-links a { color: rgba(255,255,255,.6); font-size: 14px; transition: all .2s; }
.footer-links a:hover { color: var(--accent); padding-left: 5px; }
.footer-bottom { text-align: center; padding: 20px 0; font-size: 13px; color: rgba(255,255,255,.4); }
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root { --spacing-section: 72px; }
  .mega-panel { display: none; }
  .main-nav { position: fixed; top: 74px; left: 0; right: 0; background: var(--primary); padding: 16px 24px 28px; flex-direction: column; align-items: flex-start; height: auto; border-bottom: 1px solid rgba(255,255,255,.1); transform: translateY(-120%); visibility: hidden; transition: transform .4s ease, visibility .4s; box-shadow: 0 20px 60px rgba(0,0,0,.4); }
  .main-nav.open { transform: translateY(0); visibility: visible; }
  .main-nav > ul { flex-direction: column; width: 100%; align-items: stretch; gap: 0; }
  .main-nav > ul > li { height: auto; width: 100%; }
  .nav-link { display: block; padding: 14px 16px; border-radius: 10px; border-bottom: 1px solid rgba(255,255,255,.06); }
  .nav-toggle { display: inline-flex; }
  .nav-toggle.open i { transform: rotate(180deg); }
}
@media (max-width: 768px) {
  .article-hero { padding: 48px 0; }
  .article-hero h1 { font-size: 28px; }
  .article-card { padding: 26px 22px; }
  .article-content { font-size: 15.5px; }
  .article-content h2 { font-size: 22px; }
  .section-head h2 { font-size: 26px; }
  .cta-box h2 { font-size: 26px; }
  .footer-top { flex-direction: column; gap: 28px; }
  .container, .site-footer .grid-container { padding: 0 20px; }
}
@media (max-width: 520px) {
  .article-hero h1 { font-size: 23px; }
  .article-hero-meta { gap: 10px; }
  .article-hero-meta span { font-size: 12px; padding: 5px 10px; }
  .article-card { padding: 20px 16px; }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 20px; padding-left: 12px; margin: 30px 0 14px; }
  .article-content h3 { font-size: 18px; }
  .related-card .card-body { padding: 20px 18px 26px; }
  .cta-box .btn-group { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; }
}

/* roulang page: category1 */
:root {
  --primary: #6c5ce7;
  --primary-dark: #5547c9;
  --primary-light: #e8e5fb;
  --secondary: #00b894;
  --secondary-dark: #009b7e;
  --dark: #12121f;
  --dark-2: #1d1d30;
  --bg: #f5f6fa;
  --card: #ffffff;
  --text: #2d3436;
  --text-muted: #6b7280;
  --border: #e8eaf0;
  --radius-lg: 18px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 6px 24px rgba(18, 18, 31, .07);
  --shadow-lg: 0 16px 40px rgba(18, 18, 31, .12);
  --transition: all .3s cubic-bezier(.4, 0, .2, 1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.grid-container { max-width: 1280px; }
section[id] { scroll-margin-top: 90px; }

/* ===== Header & Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--dark);
  border-bottom: 1px solid rgba(255,255,255,.06);
  box-shadow: 0 4px 24px rgba(18,18,31,.25);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 24px;
}
.logo-txt {
  display: inline-flex; align-items: center; gap: 10px;
  color: #fff; font-size: 24px; font-weight: 800; letter-spacing: .5px;
  white-space: nowrap;
}
.logo-txt i { color: var(--secondary); font-size: 28px; }
.main-nav {
  display: flex; align-items: center; flex: 1; justify-content: flex-end;
  position: relative; gap: 4px;
}
.main-nav > ul { display: flex; align-items: center; gap: 4px; }
.nav-link {
  display: inline-block; padding: 10px 16px; border-radius: var(--radius-sm);
  color: rgba(255,255,255,.78); font-size: 15px; font-weight: 500;
  transition: var(--transition); border: 1px solid transparent;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav-link:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; }
.nav-link.active { color: #fff; background: var(--primary); }
.mega-panel {
  position: absolute; top: calc(100% + 14px); right: 0;
  background: #fff; border-radius: 16px;
  box-shadow: 0 18px 50px rgba(18,18,31,.18);
  padding: 28px 32px; min-width: 560px;
  display: flex; gap: 40px;
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
  z-index: 120;
}
.main-nav:hover .mega-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-panel::before {
  content: ''; position: absolute; top: -10px; right: 30px;
  width: 0; height: 0;
  border-left: 10px solid transparent; border-right: 10px solid transparent;
  border-bottom: 10px solid #fff;
}
.main-nav .mega-col { min-width: 0; flex: 1; }
.main-nav .mega-col h4 {
  font-size: 13px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px;
}
.main-nav .mega-col a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px;
  color: var(--text); font-size: 14px; font-weight: 500;
  transition: var(--transition);
}
.main-nav .mega-col a:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateX(4px); }
.main-nav .mega-col a i { color: var(--primary); font-size: 12px; }
.nav-toggle {
  display: none; background: transparent; border: 1px solid rgba(255,255,255,.2);
  border-radius: 10px; padding: 10px 12px; color: #fff; font-size: 18px; cursor: pointer;
  transition: var(--transition);
}
.nav-toggle:hover { background: rgba(255,255,255,.1); }
.nav-toggle:focus-visible { outline: 2px solid var(--secondary); }

/* ===== Hero / Banner ===== */
.cat-hero {
  position: relative;
  padding: 110px 0 96px;
  background: linear-gradient(120deg, rgba(18,18,31,.92), rgba(70,50,120,.75)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow: hidden;
}
.cat-hero::after {
  content: ''; position: absolute; bottom: -40px; right: -40px;
  width: 280px; height: 280px; border-radius: 50%;
  background: rgba(108,92,231,.25); filter: blur(80px);
}
.hero-content { position: relative; z-index: 2; max-width: 820px; }
.breadcrumb {
  display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px;
  color: rgba(255,255,255,.7); font-size: 14px; margin-bottom: 20px;
  background: rgba(255,255,255,.1); padding: 8px 16px; border-radius: 100px;
  backdrop-filter: blur(6px);
}
.breadcrumb a { color: var(--secondary); font-weight: 500; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 10px; color: rgba(255,255,255,.5); }
.cat-hero h1 {
  color: #fff; font-size: 46px; line-height: 1.2; font-weight: 800;
  margin-bottom: 18px; letter-spacing: -1px;
}
.cat-hero h1 span { color: var(--secondary); }
.cat-hero p {
  color: rgba(255,255,255,.85); font-size: 17px; line-height: 1.8;
  margin-bottom: 28px; max-width: 680px;
}
.search-box { display: flex; gap: 12px; margin-bottom: 24px; max-width: 620px; }
.search-box input {
  flex: 1; height: 52px; padding: 0 18px; border-radius: 12px;
  border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.12);
  color: #fff; font-size: 15px; outline: none; transition: var(--transition);
}
.search-box input::placeholder { color: rgba(255,255,255,.6); }
.search-box input:focus { border-color: var(--secondary); background: rgba(255,255,255,.18); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 12px; padding: 13px 26px; font-size: 15px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: var(--transition); line-height: 1.2;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(108,92,231,.35); }
.btn-secondary { background: var(--secondary); color: #fff; border-color: var(--secondary); }
.btn-secondary:hover { background: var(--secondary-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; border: 1px solid rgba(255,255,255,.4); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.search-box .btn { height: 52px; padding: 0 24px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags .tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.12); color: #fff;
  padding: 7px 14px; border-radius: 100px; font-size: 13px; font-weight: 500;
  border: 1px solid rgba(255,255,255,.15); transition: var(--transition);
}
.hero-tags .tag:hover { background: rgba(255,255,255,.22); transform: translateY(-2px); }
.hero-tags .tag i { color: var(--secondary); }

/* ===== Section Common ===== */
.section { padding: 80px 0; }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.sec-tag {
  display: inline-block; padding: 6px 14px; border-radius: 100px;
  background: var(--primary-light); color: var(--primary-dark);
  font-size: 13px; font-weight: 700; letter-spacing: .5px; margin-bottom: 14px;
}
.sec-head h2 { font-size: 34px; font-weight: 800; color: var(--dark); line-height: 1.3; margin-bottom: 12px; }
.sec-head p { color: var(--text-muted); font-size: 16px; line-height: 1.8; }

/* ===== Guide Cards ===== */
.guide-card {
  background: var(--card); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); overflow: hidden; height: 100%;
  display: flex; flex-direction: column;
  transition: var(--transition); border: 2px solid transparent;
  position: relative;
}
.guide-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.guide-card .card-img { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.guide-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.guide-card:hover .card-img img { transform: scale(1.04); }
.guide-card .card-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(18,18,31,.55));
  pointer-events: none;
}
.card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.card-tag {
  display: inline-flex; align-items: center; gap: 6px; align-self: flex-start;
  background: var(--primary-light); color: var(--primary-dark);
  padding: 5px 12px; border-radius: 100px; font-size: 12px; font-weight: 700;
  margin-bottom: 14px;
}
.card-tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.card-body h3 { font-size: 19px; font-weight: 700; color: var(--dark); margin-bottom: 10px; line-height: 1.45; }
.card-body p { color: var(--text-muted); font-size: 14px; line-height: 1.7; margin-bottom: 18px; flex: 1; }
.card-meta { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); padding-top: 14px; margin-top: auto; }
.card-meta span { color: var(--text-muted); font-size: 13px; }
.card-meta span i { color: var(--secondary); margin-right: 4px; }
.card-link { color: var(--primary); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; transition: var(--transition); }
.card-link:hover { gap: 10px; color: var(--primary-dark); }

/* ===== Rank Section ===== */
.rank-section { background: var(--dark); position: relative; overflow: hidden; }
.rank-section::before {
  content: ''; position: absolute; top: -80px; right: -80px;
  width: 300px; height: 300px; background: rgba(108,92,231,.2);
  border-radius: 50%; filter: blur(100px);
}
.rank-section .sec-head h2 { color: #fff; }
.rank-section .sec-tag { background: rgba(108,92,231,.3); color: #c9c2ff; }
.rank-section .sec-head p { color: rgba(255,255,255,.65); }
.rank-list { max-width: 860px; margin: 0 auto; position: relative; z-index: 2; }
.rank-item {
  display: flex; align-items: center; gap: 20px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px; padding: 18px 22px; margin-bottom: 12px;
  transition: var(--transition);
}
.rank-item:hover { background: rgba(255,255,255,.12); border-color: var(--secondary); transform: translateX(8px); }
.rank-num {
  width: 42px; height: 42px; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(108,92,231,.3); color: #fff; border-radius: 12px;
  font-size: 18px; font-weight: 800;
}
.rank-item:nth-child(1) .rank-num { background: linear-gradient(135deg, #f6b93b, #ff9f3a); box-shadow: 0 4px 16px rgba(246,185,59,.3); }
.rank-item:nth-child(2) .rank-num { background: linear-gradient(135deg, #bdc3c7, #95a5a6); }
.rank-item:nth-child(3) .rank-num { background: linear-gradient(135deg, #cd9a5b, #a5714f); }
.rank-info { flex: 1; min-width: 0; }
.rank-info h3 { color: #fff; font-size: 17px; font-weight: 600; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-info span { color: rgba(255,255,255,.55); font-size: 13px; }
.rank-info span i { color: var(--secondary); margin-right: 4px; }
.rank-count { color: var(--secondary); font-weight: 700; font-size: 15px; white-space: nowrap; }
.rank-tag {
  padding: 5px 12px; border-radius: 100px; font-size: 12px; font-weight: 600;
  background: rgba(255,255,255,.12); color: rgba(255,255,255,.8);
  border: 1px solid rgba(255,255,255,.12); white-space: nowrap;
}

/* ===== Process Section ===== */
.process-section { background: linear-gradient(180deg, var(--bg), #fff); }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step {
  position: relative; background: #fff; border-radius: var(--radius-lg);
  padding: 32px 26px; text-align: center; box-shadow: var(--shadow);
  transition: var(--transition); border: 1px solid var(--border);
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--secondary); }
.step-icon {
  width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; color: #fff;
  box-shadow: 0 10px 24px rgba(108,92,231,.3);
}
.step-num {
  position: absolute; top: 18px; right: 22px;
  font-size: 40px; font-weight: 900; color: var(--border); line-height: 1;
}
.step h3 { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ===== Latest Section ===== */
.latest-list { max-width: 880px; margin: 0 auto; }
.latest-item {
  display: flex; align-items: center; gap: 20px;
  padding: 20px 16px; border-bottom: 1px solid var(--border);
  transition: var(--transition); border-radius: 12px;
}
.latest-item:hover { background: #fff; box-shadow: var(--shadow); border-color: transparent; transform: translateX(6px); }
.latest-badge {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px;
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 17px;
}
.latest-info { flex: 1; min-width: 0; }
.latest-info h3 {
  font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 6px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.latest-info h3 a:hover { color: var(--primary); }
.latest-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--text-muted); }
.latest-meta span { display: inline-flex; align-items: center; gap: 4px; }
.latest-meta span i { color: var(--secondary); font-size: 12px; }
.latest-cat {
  flex-shrink: 0; padding: 6px 14px; border-radius: 100px;
  background: var(--bg); border: 1px solid var(--border);
  color: var(--primary-dark); font-size: 12px; font-weight: 600;
  transition: var(--transition);
}
.latest-cat:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.latest-link { flex-shrink: 0; color: var(--text-muted); font-size: 14px; transition: var(--transition); }
.latest-item:hover .latest-link { color: var(--primary); transform: translateX(4px); }

/* ===== FAQ Section ===== */
.faq-section { background: #fff; border-top: 1px solid var(--border); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px 28px; margin-bottom: 14px;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.faq-item h3 {
  font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 8px;
  display: flex; align-items: center; gap: 12px;
}
.faq-item h3::before {
  content: 'Q'; width: 28px; height: 28px; flex-shrink: 0; border-radius: 8px;
  background: var(--primary); color: #fff; font-size: 14px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.faq-item p { color: var(--text-muted); font-size: 15px; line-height: 1.8; padding-left: 40px; }

/* ===== CTA Section ===== */
.cta-section { padding: 80px 0; }
.cta-box {
  position: relative; border-radius: 24px; overflow: hidden;
  background: linear-gradient(135deg, rgba(108,92,231,.92), rgba(142,45,226,.86)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 64px 48px; text-align: center; color: #fff;
  box-shadow: 0 20px 60px rgba(108,92,231,.35);
}
.cta-box h2 { font-size: 32px; font-weight: 800; margin-bottom: 12px; }
.cta-box p { font-size: 16px; color: rgba(255,255,255,.85); margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-btns { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: var(--dark); color: rgba(255,255,255,.75); padding: 64px 0 0; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand { max-width: 380px; }
.footer-brand h3 { color: #fff; font-size: 22px; font-weight: 800; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.65); }
.footer-links { min-width: 220px; }
.footer-links h4 {
  color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px;
  padding-bottom: 10px; position: relative;
}
.footer-links h4::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 32px; height: 3px; border-radius: 3px; background: var(--secondary);
}
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul a { color: rgba(255,255,255,.65); font-size: 14px; transition: var(--transition); }
.footer-links ul a:hover { color: var(--secondary); padding-left: 4px; }
.footer-bottom {
  text-align: center; padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.06);
  font-size: 13px; color: rgba(255,255,255,.4);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .mega-panel { min-width: 420px; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .cat-hero { padding: 80px 0 64px; }
  .cat-hero h1 { font-size: 32px; }
  .header-inner { height: 64px; }
  .nav-toggle { display: block; }
  .main-nav { position: static; }
  .main-nav > ul {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: var(--dark-2); flex-direction: column; padding: 16px 20px;
    gap: 4px; border-top: 1px solid rgba(255,255,255,.1);
    box-shadow: 0 16px 32px rgba(0,0,0,.3);
  }
  .main-nav.open > ul { display: flex; }
  .main-nav.open .nav-link { display: block; padding: 14px 16px; font-size: 15px; }
  .mega-panel { display: none; }
  .header-inner { position: relative; }
  .footer-top { flex-direction: column; }
  .search-box { flex-direction: column; }
  .search-box input,
  .search-box .btn { width: 100%; }
  .cta-box { padding: 48px 24px; }
  .cta-box h2 { font-size: 26px; }
}
@media (max-width: 520px) {
  .section { padding: 48px 0; }
  .cat-hero h1 { font-size: 27px; }
  .sec-head h2 { font-size: 26px; }
  .process-steps { grid-template-columns: 1fr; }
  .rank-item { flex-wrap: wrap; gap: 12px; }
  .rank-num { width: 36px; height: 36px; font-size: 15px; }
  .rank-list .rank-info { width: calc(100% - 52px); }
  .latest-item { flex-wrap: wrap; gap: 10px; }
  .latest-badge { display: none; }
  .latest-meta { gap: 10px; }
  .breadcrumb { font-size: 12px; }
}

/* roulang page: category2 */
:root {
      --primary: #4f46e5;
      --primary-light: #6366f1;
      --primary-dark: #4338ca;
      --accent: #f59e0b;
      --accent-light: #fbbf24;
      --dark-bg: #0f172a;
      --dark-surface: #1e293b;
      --light-bg: #f8fafc;
      --white: #ffffff;
      --text: #0f172a;
      --text-weak: #64748b;
      --border: #e2e8f0;
      --radius: 18px;
      --radius-sm: 12px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
      --shadow: 0 8px 28px rgba(15, 23, 42, 0.10);
      --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.16);
      --space-section: 100px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      background: var(--white);
      color: var(--text);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .section {
      padding: var(--space-section) 0;
    }

    .section-alt {
      background: var(--light-bg);
    }

    .section-dark {
      background: var(--dark-bg);
      color: var(--white);
    }

    .text-center {
      text-align: center;
    }

    .section-head {
      max-width: 680px;
      margin: 0 auto 56px;
      text-align: center;
    }

    .section-head .overline {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--primary);
      background: rgba(79, 70, 229, 0.10);
      padding: 6px 16px;
      border-radius: 30px;
      margin-bottom: 14px;
    }

    .section-head h2 {
      font-size: 40px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.02em;
      margin-bottom: 14px;
    }

    .section-head p {
      color: var(--text-weak);
      font-size: 16px;
      line-height: 1.8;
    }

    .grid-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .grid-x {
      display: flex;
      flex-wrap: wrap;
      margin: -12px;
    }

    .grid-x > .cell {
      padding: 12px;
    }

    /* ---- Top Bar ---- */
    .top-bar-wrap {
      background: var(--dark-bg);
      color: rgba(255, 255, 255, 0.7);
      font-size: 13px;
      padding: 6px 0;
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .top-bar-links a {
      color: rgba(255, 255, 255, 0.7);
      margin-left: 18px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

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

    /* ---- Header ---- */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.6);
      box-shadow: 0 1px 10px rgba(15, 23, 42, 0.04);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .site-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .logo-mark {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
      font-weight: 800;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
    }

    .logo-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--text);
      letter-spacing: -0.02em;
    }

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

    .main-nav {
      display: flex;
      align-items: center;
      position: relative;
    }

    .main-nav > ul {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      gap: 4px;
    }

    .main-nav ul li a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 10px 20px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      border-radius: 10px;
      position: relative;
    }

    .main-nav ul li a::after {
      content: "";
      position: absolute;
      bottom: 4px;
      left: 50%;
      width: 0;
      height: 3px;
      border-radius: 3px;
      background: var(--primary);
      transform: translateX(-50%);
      transition: var(--transition);
    }

    .main-nav ul li a:hover {
      color: var(--primary);
      background: rgba(79, 70, 229, 0.06);
    }

    .main-nav ul li a:hover::after,
    .main-nav ul li a.active::after {
      width: 24px;
    }

    .main-nav ul li a.active {
      color: var(--primary);
      background: rgba(79, 70, 229, 0.08);
    }

    /* Mega Panel */
    .mega-panel {
      position: absolute;
      top: calc(100% + 14px);
      left: 0;
      background: var(--white);
      border-radius: var(--radius);
      box-shadow: var(--shadow-lg);
      padding: 28px;
      display: none;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      min-width: 520px;
      border: 1px solid rgba(226, 232, 240, 0.5);
      z-index: 100;
    }

    .mega-panel::before {
      content: "";
      position: absolute;
      top: -20px;
      left: 40px;
      border-width: 10px;
      border-style: solid;
      border-color: transparent transparent var(--white) transparent;
    }

    .main-nav:hover .mega-panel {
      display: grid;
      animation: megaIn 0.28s ease;
    }

    @keyframes megaIn {
      from {
        opacity: 0;
        transform: translateY(10px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .mega-col h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-weak);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 14px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border);
    }

    .mega-col a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 12px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text);
      border-radius: 10px;
      transition: var(--transition);
    }

    .mega-col a:hover {
      background: rgba(79, 70, 229, 0.06);
      color: var(--primary);
      transform: translateX(4px);
    }

    .mega-col a i {
      font-size: 12px;
      color: var(--primary);
    }

    /* Mobile toggle */
    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--border);
      background: var(--white);
      border-radius: 10px;
      font-size: 18px;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      color: var(--text);
    }

    /* ---- Hero ---- */
    .category-hero {
      position: relative;
      padding: 110px 0 90px;
      background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
      overflow: hidden;
      color: var(--white);
    }

    .category-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: url("/assets/images/backpic/back-2.png") center/cover no-repeat;
      opacity: 0.12;
      z-index: 0;
    }

    .category-hero::after {
      content: "";
      position: absolute;
      top: -200px;
      right: -200px;
      width: 500px;
      height: 500px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
      z-index: 1;
    }

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

    .hero-breadcrumb {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
      margin-bottom: 24px;
    }

    .hero-breadcrumb a {
      color: rgba(255, 255, 255, 0.6);
    }

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

    .hero-breadcrumb i {
      font-size: 12px;
    }

    .category-hero h1 {
      font-size: 52px;
      font-weight: 900;
      line-height: 1.15;
      letter-spacing: -0.03em;
      margin-bottom: 20px;
      max-width: 700px;
    }

    .category-hero h1 .accent {
      background: linear-gradient(135deg, var(--accent), var(--accent-light));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .category-hero p {
      font-size: 17px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.75);
      max-width: 640px;
      margin-bottom: 36px;
    }

    .hero-meta {
      display: flex;
      align-items: center;
      gap: 28px;
      flex-wrap: wrap;
    }

    .hero-meta .meta-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.75);
    }

    .hero-meta .meta-item i {
      color: var(--accent);
      font-size: 16px;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 14px 30px;
      border-radius: 12px;
      font-size: 15px;
      font-weight: 700;
      border: none;
      cursor: pointer;
      transition: var(--transition);
      line-height: 1;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 4px 18px rgba(79, 70, 229, 0.35);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(67, 56, 202, 0.4);
    }

    .btn-outline-light {
      background: transparent;
      color: var(--white);
      border: 2px solid rgba(255, 255, 255, 0.4);
    }

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

    /* ---- News Cards ---- */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .news-card {
      background: var(--white);
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .news-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(79, 70, 229, 0.2);
    }

    .news-card .card-media {
      position: relative;
      height: 220px;
      overflow: hidden;
    }

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

    .news-card:hover .card-media img {
      transform: scale(1.05);
    }

    .card-badge {
      position: absolute;
      top: 16px;
      left: 16px;
      z-index: 2;
      background: rgba(79, 70, 229, 0.92);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 20px;
      backdrop-filter: blur(8px);
    }

    .card-badge.hot {
      background: rgba(245, 158, 11, 0.92);
    }

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

    .news-card .card-cat {
      font-size: 13px;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 8px;
      letter-spacing: 0.3px;
    }

    .news-card h3 {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.5;
      margin-bottom: 10px;
      color: var(--text);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-card h3:hover {
      color: var(--primary);
    }

    .news-card .card-excerpt {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.7;
      flex: 1;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 16px;
    }

    .card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 14px;
      border-top: 1px solid var(--border);
      font-size: 13px;
      color: var(--text-weak);
    }

    .card-meta .date {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .card-meta .date i {
      font-size: 12px;
    }

    .card-meta a {
      color: var(--primary);
      font-weight: 600;
      font-size: 13px;
    }

    .card-meta a:hover {
      gap: 6px;
    }

    /* ---- Topic Box ---- */
    .topic-wrap {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 50px;
      align-items: center;
    }

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

    .topic-visual img {
      width: 100%;
      height: 440px;
      object-fit: cover;
    }

    .topic-visual .visual-caption {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 30px 26px;
      background: linear-gradient(transparent, rgba(15, 23, 42, 0.85));
      color: #fff;
      font-size: 14px;
      line-height: 1.6;
    }

    .topic-list {
      list-style: none;
    }

    .topic-list li {
      display: flex;
      align-items: flex-start;
      gap: 18px;
      padding: 22px 0;
      border-bottom: 1px solid var(--border);
    }

    .topic-list li:last-child {
      border-bottom: none;
    }

    .topic-index {
      font-size: 24px;
      font-weight: 800;
      color: rgba(79, 70, 229, 0.15);
      line-height: 1;
      min-width: 40px;
      font-style: italic;
    }

    .topic-list h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .topic-list p {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.7;
    }

    .topic-list li:hover h4 {
      color: var(--primary);
    }

    /* ---- Data Section ---- */
    .stats-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius);
      padding: 36px 24px;
      text-align: center;
      transition: var(--transition);
    }

    .stat-card:hover {
      background: rgba(255, 255, 255, 0.08);
      transform: translateY(-4px);
    }

    .stat-number {
      font-size: 46px;
      font-weight: 900;
      color: var(--white);
      margin-bottom: 6px;
    }

    .stat-number em {
      font-style: normal;
      font-size: 28px;
      color: var(--accent);
    }

    .stat-label {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.5);
      font-weight: 500;
    }

    /* ---- List Section ---- */
    .list-section {
      background: var(--light-bg);
    }

    .content-list {
      max-width: 860px;
      margin: 0 auto;
    }

    .content-item {
      display: flex;
      align-items: center;
      gap: 24px;
      background: var(--white);
      border-radius: var(--radius);
      padding: 24px 28px;
      margin-bottom: 20px;
      border: 1px solid var(--border);
      transition: var(--transition);
      cursor: pointer;
    }

    .content-item:hover {
      box-shadow: var(--shadow);
      transform: translateX(6px);
      border-color: rgba(79, 70, 229, 0.2);
    }

    .content-item .item-thumb {
      width: 96px;
      height: 96px;
      min-width: 96px;
      border-radius: var(--radius-sm);
      overflow: hidden;
    }

    .content-item .item-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .content-item .item-body {
      flex: 1;
    }

    .content-item .item-tag {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      background: rgba(79, 70, 229, 0.08);
      padding: 3px 10px;
      border-radius: 30px;
      display: inline-block;
      margin-bottom: 6px;
    }

    .content-item .item-body h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .content-item .item-body p {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .content-item .item-arrow {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--light-bg);
      color: var(--text-weak);
      font-size: 15px;
      transition: var(--transition);
    }

    .content-item:hover .item-arrow {
      background: var(--primary);
      color: #fff;
    }

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

    .faq-item {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      margin-bottom: 16px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item:hover {
      box-shadow: var(--shadow-sm);
      border-color: rgba(79, 70, 229, 0.2);
    }

    .faq-item summary {
      padding: 22px 26px;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      user-select: none;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "\f067";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      font-size: 14px;
      color: var(--primary);
      transition: var(--transition);
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(79, 70, 229, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .faq-item[open] summary::after {
      transform: rotate(45deg);
    }

    .faq-item .faq-body {
      padding: 0 26px 22px;
      color: var(--text-weak);
      font-size: 14px;
      line-height: 1.8;
    }

    /* ---- CTA ---- */
    .cta-section {
      position: relative;
      background: linear-gradient(135deg, var(--primary-dark), var(--primary) 55%, var(--primary-light));
      padding: 80px 0;
      text-align: center;
      overflow: hidden;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      top: -80px;
      left: 20%;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.06);
    }

    .cta-section::after {
      content: "";
      position: absolute;
      bottom: -100px;
      right: 15%;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.05);
    }

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

    .cta-section h2 {
      font-size: 38px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }

    .cta-section p {
      color: rgba(255, 255, 255, 0.8);
      font-size: 16px;
      max-width: 560px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

    .btn-white {
      background: var(--white);
      color: var(--primary);
    }

    .btn-white:hover {
      background: rgba(255, 255, 255, 0.9);
      transform: translateY(-2px);
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    }

    /* ---- Footer ---- */
    .site-footer {
      background: var(--dark-bg);
      color: rgba(255, 255, 255, 0.7);
      padding: 60px 0 30px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 60px;
      padding-bottom: 50px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-brand h3 {
      font-size: 24px;
      color: #fff;
      margin-bottom: 14px;
      letter-spacing: -0.02em;
    }

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

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      max-width: 340px;
    }

    .footer-links h4 {
      color: #fff;
      font-size: 15px;
      margin-bottom: 18px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .footer-links ul {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px 20px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, 0.6);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--accent);
      padding-left: 4px;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 26px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.4);
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, 0.5);
    }

    /* ---- Mobile Menu ---- */
    .mobile-menu {
      display: none;
      position: fixed;
      top: 0;
      right: -320px;
      width: 300px;
      height: 100vh;
      background: var(--white);
      z-index: 2000;
      padding: 30px 24px;
      box-shadow: var(--shadow-lg);
      transition: right 0.3s ease;
      overflow-y: auto;
    }

    .mobile-menu.open {
      right: 0;
    }

    .mobile-menu ul {
      list-style: none;
      margin: 30px 0 0;
    }

    .mobile-menu ul li {
      margin-bottom: 6px;
    }

    .mobile-menu ul li a {
      display: block;
      padding: 14px 16px;
      font-size: 16px;
      font-weight: 600;
      border-radius: 12px;
      color: var(--text);
    }

    .mobile-menu ul li a.active,
    .mobile-menu ul li a:hover {
      background: rgba(79, 70, 229, 0.08);
      color: var(--primary);
    }

    .mobile-menu .close-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border: 1px solid var(--border);
      border-radius: 10px;
      background: transparent;
      font-size: 16px;
      cursor: pointer;
      margin-left: auto;
    }

    .menu-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(15, 23, 42, 0.5);
      backdrop-filter: blur(4px);
      z-index: 1500;
    }

    .menu-overlay.show {
      display: block;
    }

    /* ---- Subscription form ---- */
    .sub-form {
      display: flex;
      gap: 10px;
      max-width: 480px;
      margin: 28px auto 0;
    }

    .sub-form input {
      flex: 1;
      padding: 14px 18px;
      border-radius: 12px;
      border: 2px solid rgba(255, 255, 255, 0.25);
      background: rgba(255, 255, 255, 0.1);
      color: #fff;
      font-size: 14px;
      outline: none;
      transition: var(--transition);
    }

    .sub-form input::placeholder {
      color: rgba(255, 255, 255, 0.5);
    }

    .sub-form input:focus {
      border-color: var(--accent);
      background: rgba(255, 255, 255, 0.15);
    }

    /* ---- Responsive ---- */
    @media (max-width: 1024px) {
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }

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

      .category-hero h1 {
        font-size: 42px;
      }
    }

    @media (max-width: 768px) {
      :root {
        --space-section: 80px;
      }

      .main-nav {
        display: none;
      }

      .nav-toggle {
        display: flex;
      }

      .mobile-menu {
        display: block;
      }

      .header-inner {
        height: 64px;
      }

      .topic-wrap {
        grid-template-columns: 1fr;
      }

      .category-hero h1 {
        font-size: 36px;
      }

      .section-head h2 {
        font-size: 32px;
      }

      .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }

      .content-item {
        padding: 20px;
      }

      .content-item .item-thumb {
        width: 70px;
        height: 70px;
        min-width: 70px;
      }

      .grid-x > .cell {
        width: 100%;
      }
    }

    @media (max-width: 520px) {
      :root {
        --space-section: 64px;
      }

      .category-hero {
        padding: 80px 0 64px;
      }

      .category-hero h1 {
        font-size: 30px;
      }

      .news-grid {
        grid-template-columns: 1fr;
      }

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

      .stat-number {
        font-size: 36px;
      }

      .hero-actions {
        flex-direction: column;
      }

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

      .section-head h2 {
        font-size: 28px;
      }

      .content-item {
        flex-direction: column;
        gap: 14px;
        align-items: flex-start;
      }

      .content-item .item-arrow {
        display: none;
      }

      .sub-form {
        flex-direction: column;
      }

      .mega-panel {
        display: none !important;
      }

      .container,
      .grid-container {
        padding: 0 18px;
      }
    }

    @media (max-width: 350px) {
      .stats-wrap {
        grid-template-columns: 1fr;
      }
    }