/* roulang page: index */
:root {
  --primary: #0f6b53;
  --primary-dark: #0a503e;
  --primary-deep: #073a2d;
  --primary-light: #e6f2ee;
  --primary-50: #f0f8f5;
  --accent: #f0a035;
  --accent-dark: #d68a1e;
  --accent-light: #fef3e4;
  --bg: #f7faf9;
  --bg-white: #ffffff;
  --bg-dark: #0d2b24;
  --text: #172b25;
  --text-light: #5a6e68;
  --text-muted: #8ba39c;
  --border: #e2eae7;
  --radius: 18px;
  --radius-sm: 10px;
  --radius-lg: 28px;
  --shadow: 0 8px 30px rgba(15,107,83,0.08);
  --shadow-lg: 0 20px 50px rgba(15,107,83,0.14);
  --nav-h: 74px;
  --space-section: 110px;
  --space-section-sm: 70px;
  --transition: all 0.3s ease;
}
*, *::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; font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; }

.grid-container { max-width: 1220px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 15px; font-weight: 600; padding: 14px 32px; border-radius: 50px; transition: var(--transition); border: 2px solid transparent; line-height: 1.4; }
.btn:focus-visible { outline: 3px solid rgba(15,107,83,0.35); outline-offset: 3px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 25px rgba(15,107,83,0.25); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.65); }
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 10px 25px rgba(0,0,0,0.12); }
.btn-sm { padding: 10px 24px; font-size: 14px; }

.section { padding: var(--space-section) 0; }
.section-alt { background: var(--primary-50); }
.section-white { background: var(--bg-white); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 60px; }
.section-tag { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--primary); background: var(--primary-light); padding: 6px 18px; border-radius: 50px; margin-bottom: 14px; }
.section-header h2 { font-size: 38px; font-weight: 800; line-height: 1.3; margin-bottom: 14px; color: var(--text); letter-spacing: -0.5px; }
.section-header p { font-size: 16px; color: var(--text-light); line-height: 1.7; }

/* ===== Header / Nav ===== */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--nav-h); display: flex; align-items: center; background: rgba(10,40,32,0.25); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid rgba(255,255,255,0.14); transition: var(--transition); }
.site-header.scrolled { background: rgba(255,255,255,0.92); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom-color: var(--border); box-shadow: var(--shadow); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); }
.logo { flex-shrink: 0; }
.logo a { font-size: 22px; font-weight: 800; letter-spacing: -0.3px; color: #fff; transition: var(--transition); display: flex; align-items: center; gap: 6px; }
.logo a::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); display: inline-block; }
.site-header.scrolled .logo a { color: var(--text); }
.main-nav { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: 32px; }
.nav-list a { font-size: 15px; font-weight: 600; color: rgba(255,255,255,0.85); position: relative; padding: 6px 2px; }
.nav-list a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--accent); transition: var(--transition); border-radius: 2px; }
.nav-list a:hover { color: #fff; }
.nav-list a:hover::after { width: 100%; }
.nav-list a.active { color: #fff; }
.nav-list a.active::after { width: 100%; background: var(--accent); }
.site-header.scrolled .nav-list a { color: var(--text-light); }
.site-header.scrolled .nav-list a:hover, .site-header.scrolled .nav-list a.active { color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,0.1); color: #fff; font-size: 18px; align-items: center; justify-content: center; transition: var(--transition); }
.site-header.scrolled .nav-toggle { color: var(--text); background: var(--primary-50); }
.nav-toggle:hover { background: var(--primary); color: #fff; }
.hero-nav-cta { display: inline-flex; }

/* ===== Hero ===== */
.hero { position: relative; min-height: 95vh; display: flex; align-items: center; overflow: hidden; padding-top: var(--nav-h); }
.hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; z-index: 0; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(7,58,45,0.88) 0%, rgba(15,107,83,0.62) 48%, rgba(7,58,45,0.28) 100%); z-index: 1; }
.hero-content { position: relative; z-index: 2; color: #fff; max-width: 760px; padding: 60px 0; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; letter-spacing: 1.5px; background: rgba(255,255,255,0.14); border: 1px solid rgba(255,255,255,0.25); padding: 7px 20px; border-radius: 50px; margin-bottom: 22px; backdrop-filter: blur(4px); }
.hero-badge i { color: var(--accent); }
.hero-text h1 { font-size: 52px; font-weight: 900; line-height: 1.18; margin-bottom: 20px; letter-spacing: -1px; text-shadow: 0 4px 20px rgba(0,0,0,0.22); }
.hero-text p { font-size: 18px; line-height: 1.85; color: rgba(255,255,255,0.85); margin-bottom: 36px; max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-scroll { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 3; color: rgba(255,255,255,0.7); font-size: 20px; animation: bounce 2s infinite; }
@keyframes bounce { 0%,100% { transform: translate(-50%,0); } 50% { transform: translate(-50%,8px); } }

/* ===== Intro ===== */
.intro-section { background: var(--bg-white); }
.intro-visual { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.intro-img { width: 100%; height: 460px; object-fit: cover; }
.intro-badge-card { position: absolute; bottom: 24px; left: 24px; background: rgba(255,255,255,0.94); border-radius: var(--radius); padding: 18px 26px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.badge-number { font-size: 32px; font-weight: 800; color: var(--primary); line-height: 1; }
.badge-label { font-size: 13px; color: var(--text-light); margin-top: 6px; }
.intro-text { padding-left: 20px; }
.intro-text .section-tag { margin-bottom: 16px; }
.intro-text h2 { font-size: 34px; font-weight: 800; line-height: 1.35; margin-bottom: 18px; letter-spacing: -0.5px; }
.intro-text p { font-size: 16px; color: var(--text-light); line-height: 1.85; margin-bottom: 16px; }
.check-list { margin-top: 24px; margin-bottom: 30px; }
.check-list li { display: flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 500; color: var(--text); padding: 7px 0; }
.check-list li i { color: var(--primary); font-size: 18px; }
.check-list li:hover i { transform: scale(1.2); }

/* ===== Categories ===== */
.categories-section { background: var(--primary-50); }
.category-card { position: relative; display: block; border-radius: var(--radius-lg); overflow: hidden; height: 360px; box-shadow: var(--shadow); transition: var(--transition); }
.category-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.category-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(7,45,36,0.9) 0%, rgba(7,45,36,0.25) 60%, transparent 100%); z-index: 1; transition: var(--transition); }
.category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.category-card:hover img { transform: scale(1.06); }
.category-card:hover .category-card-overlay { background: linear-gradient(to top, rgba(10,80,62,0.92) 0%, rgba(7,45,36,0.35) 60%, transparent 100%); }
.category-card-body { position: absolute; bottom: 0; left: 0; right: 0; z-index: 2; padding: 32px; color: #fff; }
.category-icon { width: 52px; height: 52px; border-radius: 14px; background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.28); display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 16px; backdrop-filter: blur(4px); }
.category-card-body h3 { font-size: 25px; font-weight: 800; margin-bottom: 8px; }
.category-card-body p { font-size: 15px; color: rgba(255,255,255,0.85); margin-bottom: 18px; line-height: 1.6; }
.category-link { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; background: var(--accent); padding: 8px 20px; border-radius: 50px; transition: var(--transition); }
.category-link:hover { background: var(--accent-dark); transform: translateX(3px); }

/* ===== News ===== */
.news-section { background: var(--bg-white); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card { display: flex; flex-direction: column; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: var(--transition); }
.news-card:hover { border-color: transparent; box-shadow: var(--shadow-lg); transform: translateY(-5px); background: var(--bg-white); }
.news-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.news-cat { display: inline-block; font-size: 12px; font-weight: 700; color: var(--primary); background: var(--primary-light); padding: 4px 14px; border-radius: 50px; }
.news-date { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 5px; }
.news-card h3 { font-size: 18px; font-weight: 700; line-height: 1.45; margin-bottom: 10px; color: var(--text); transition: var(--transition); }
.news-card:hover h3 { color: var(--primary); }
.news-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; flex: 1; margin-bottom: 16px; }
.news-more { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.news-more i { transition: transform 0.3s ease; }
.news-card:hover .news-more i { transform: translateX(4px); }
.news-empty { grid-column: 1 / -1; text-align: center; padding: 60px; color: var(--text-muted); background: var(--bg); border-radius: var(--radius); }

/* ===== Stats ===== */
.stats-section { background: var(--bg-dark); position: relative; overflow: hidden; }
.stats-section::before { content: ""; position: absolute; top: -120px; right: -80px; width: 320px; height: 320px; border-radius: 50%; background: rgba(15,107,83,0.4); filter: blur(80px); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; z-index: 1; }
.stat-card { text-align: center; padding: 36px 20px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); transition: var(--transition); }
.stat-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.stat-number { display: block; font-size: 44px; font-weight: 900; color: var(--accent); line-height: 1; margin-bottom: 12px; }
.stat-label { font-size: 15px; color: rgba(255,255,255,0.75); font-weight: 500; }

/* ===== Features ===== */
.features-section { background: var(--bg); }
.feature-card { text-align: center; background: var(--bg-white); border-radius: var(--radius); padding: 42px 30px; border: 1px solid var(--border); position: relative; transition: var(--transition); height: 100%; }
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
.feature-step { position: absolute; top: 20px; right: 26px; font-size: 44px; font-weight: 900; color: var(--primary-50); line-height: 1; transition: var(--transition); }
.feature-card:hover .feature-step { color: var(--primary-light); }
.feature-icon { width: 68px; height: 68px; border-radius: 20px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 24px; margin: 0 auto 22px; transition: var(--transition); }
.feature-card:hover .feature-icon { background: var(--primary); color: #fff; transform: scale(1.05); }
.feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: var(--text-light); line-height: 1.7; }

/* ===== Recommend ===== */
.recommend-section { background: var(--bg-white); }
.recommend-card { border-radius: var(--radius); overflow: hidden; background: var(--bg); border: 1px solid var(--border); transition: var(--transition); height: 100%; display: flex; flex-direction: column; }
.recommend-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.recommend-img { position: relative; height: 220px; overflow: hidden; }
.recommend-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.recommend-card:hover .recommend-img img { transform: scale(1.05); }
.recommend-tag { position: absolute; top: 16px; left: 16px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; padding: 5px 14px; border-radius: 50px; z-index: 2; }
.recommend-body { padding: 24px 26px; flex: 1; }
.recommend-body h3 { font-size: 18px; font-weight: 700; line-height: 1.45; margin-bottom: 8px; color: var(--text); transition: var(--transition); }
.recommend-card:hover .recommend-body h3 { color: var(--primary); }
.recommend-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.recommend-meta { display: flex; align-items: center; gap: 10px; margin-top: 18px; font-size: 13px; color: var(--text-muted); }
.recommend-meta i { font-size: 14px; }

/* ===== FAQ ===== */
.faq-section { background: var(--primary-50); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--bg-white); border-radius: var(--radius); border: 1px solid var(--border); margin-bottom: 16px; overflow: hidden; transition: var(--transition); }
.faq-item.active { box-shadow: var(--shadow); border-color: transparent; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 22px 28px; font-size: 17px; font-weight: 600; color: var(--text); text-align: left; transition: var(--transition); }
.faq-question i { font-size: 15px; color: var(--text-muted); transition: transform 0.3s ease; flex-shrink: 0; margin-left: 16px; }
.faq-item.active .faq-question { color: var(--primary); }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer p { padding: 0 28px 22px; font-size: 15px; color: var(--text-light); line-height: 1.75; }

/* ===== CTA ===== */
.cta-section { padding: 80px 0; background: var(--bg); }
.cta-inner { position: relative; border-radius: var(--radius-lg); overflow: hidden; padding: 70px 50px; text-align: center; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; box-shadow: var(--shadow-lg); }
.cta-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(7,58,45,0.9) 0%, rgba(15,107,83,0.75) 100%); z-index: 1; }
.cta-content { position: relative; z-index: 2; color: #fff; max-width: 640px; margin: 0 auto; }
.cta-content h2 { font-size: 36px; font-weight: 800; margin-bottom: 14px; }
.cta-content p { font-size: 17px; color: rgba(255,255,255,0.88); margin-bottom: 30px; }

/* ===== Footer ===== */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 70px 0 0; }
.footer-brand h3 { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.footer-brand h3::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); display: inline-block; }
.footer-brand p { font-size: 14px; line-height: 1.75; color: rgba(255,255,255,0.55); max-width: 300px; }
.footer-links h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul a { font-size: 14px; color: rgba(255,255,255,0.55); transition: var(--transition); }
.footer-links ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer-contact p { font-size: 14px; margin-bottom: 8px; color: rgba(255,255,255,0.55); display: flex; align-items: center; gap: 10px; }
.footer-contact p i { width: 18px; text-align: center; color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.09); margin-top: 50px; padding: 22px 0; text-align: center; font-size: 14px; color: rgba(255,255,255,0.4); }
.footer-bottom a { color: rgba(255,255,255,0.6); margin: 0 6px; }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .grid-container { max-width: 960px; }
  .hero-text h1 { font-size: 44px; }
  .section-header h2 { font-size: 32px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .intro-img { height: 380px; }
}

@media (max-width: 768px) {
  :root { --space-section: 70px; --nav-h: 64px; }
  .site-header { background: rgba(255,255,255,0.92); }
  .site-header .logo a { color: var(--text); }
  .site-header .nav-list a { color: var(--text-light); }
  .site-header .nav-list a.active { color: var(--primary); }
  .hero { min-height: 80vh; }
  .hero-text h1 { font-size: 34px; }
  .hero-text p { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; }
  .nav-toggle { display: flex; }
  .main-nav { position: fixed; top: var(--nav-h); left: 0; right: 0; background: rgba(255,255,255,0.98); flex-direction: column; padding: 24px; box-shadow: var(--shadow-lg); border-bottom: 1px solid var(--border); transform: translateY(-16px); opacity: 0; visibility: hidden; transition: var(--transition); z-index: 999; }
  .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-list { flex-direction: column; gap: 18px; width: 100%; text-align: center; }
  .nav-list a { display: block; font-size: 17px; padding: 8px; }
  .header-actions .btn { display: none; }
  .intro-text { padding-left: 0; padding-top: 32px; }
  .intro-img { height: 320px; }
  .category-card { height: 300px; }
  .news-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { padding: 50px 30px; }
  .cta-content h2 { font-size: 28px; }
  .footer .grid-x { flex-direction: column; }
  .footer .cell { margin-bottom: 30px; }
}

@media (max-width: 520px) {
  .grid-container { padding-left: 18px; padding-right: 18px; }
  .section-header h2 { font-size: 26px; }
  .section-header p { font-size: 15px; }
  .hero-text h1 { font-size: 28px; }
  .hero-text p { font-size: 15px; }
  .category-card { height: 260px; }
  .category-card-body { padding: 24px; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-number { font-size: 36px; }
  .cta-inner { padding: 40px 24px; }
  .cta-content h2 { font-size: 24px; }
  .cta-content p { font-size: 15px; }
  .news-card { padding: 22px; }
  .logo a { font-size: 18px; }
  .footer-brand p { max-width: none; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #2156e3;
  --primary-dark: #173ea8;
  --primary-light: #e8efff;
  --accent: #ff7a28;
  --accent-light: #fff1e8;
  --bg-body: #f5f7fc;
  --bg-white: #ffffff;
  --bg-dark: #141c2e;
  --text-main: #1a2233;
  --text-muted: #5c6679;
  --text-light: #9aa3b2;
  --border-light: #e6eaf2;
  --border-medium: #d4dae6;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-xs: 0 2px 8px rgba(20,30,60,.05);
  --shadow-sm: 0 4px 14px rgba(20,30,60,.06);
  --shadow-md: 0 10px 28px rgba(20,30,60,.08);
  --shadow-lg: 0 20px 50px rgba(20,30,60,.12);
  --transition: .3s ease;
  --font-main: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

/* ===== 基础 Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-main); }

/* ===== 容器 ===== */
.grid-container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
}
.section { padding: 90px 0; }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}
.section-eyebrow {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 30px;
  letter-spacing: .5px;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.section-sub {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.7;
}
.section-divider {
  width: 56px;
  height: 4px;
  border-radius: 4px;
  background: var(--accent);
  margin: 22px auto 0;
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.62);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,.35);
  box-shadow: 0 2px 12px rgba(20,30,60,.04);
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.site-header.scrolled {
  background: rgba(255,255,255,.92);
  border-color: rgba(255,255,255,.6);
  box-shadow: 0 6px 24px rgba(20,30,60,.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: 24px;
}
.logo a {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.3px;
  white-space: nowrap;
}
.logo a:hover { color: var(--primary); }
.logo a::first-letter { color: var(--primary); }
.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-list li a {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 30px;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 15px;
  transition: all var(--transition);
}
.nav-list li a:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-list li a.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  border-radius: 30px;
  font-weight: 600;
  line-height: 1.2;
  transition: all var(--transition);
}
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-md { padding: 13px 28px; font-size: 15px; }
.btn-lg { padding: 16px 38px; font-size: 16px; }
.btn-primary {
  background: var(--primary);
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(33,86,227,.28);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(33,86,227,.35);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.8);
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255,255,255,.14);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}
.btn-accent {
  background: var(--accent);
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(255,122,40,.28);
}
.btn-accent:hover {
  background: #e56618;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255,122,40,.35);
}
.btn-dark {
  background: var(--bg-dark);
  color: #fff !important;
}
.btn-dark:hover {
  background: #202a40;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(20,28,46,.25);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  background: rgba(255,255,255,.7);
  color: var(--text-main);
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.nav-toggle:hover { background: var(--primary-light); color: var(--primary); }
.nav-toggle.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== 页面 Banner ===== */
.page-banner {
  position: relative;
  padding: 190px 0 130px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(12,20,40,.82) 0%, rgba(12,20,40,.62) 45%, rgba(20,86,227,.42) 100%);
}
.page-banner .grid-container { position: relative; z-index: 2; }
.banner-content { max-width: 720px; }
.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}
.banner-tag i { color: var(--accent); }
.page-banner h1 {
  font-size: clamp(36px, 5.5vw, 58px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -1px;
  line-height: 1.2;
}
.page-banner .banner-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,.9);
  max-width: 600px;
  margin-bottom: 32px;
}
.banner-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.banner-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 14px;
  color: rgba(255,255,255,.75);
}
.banner-breadcrumb a { color: rgba(255,255,255,.85); }
.banner-breadcrumb a:hover { color: #fff; }
.banner-breadcrumb i { font-size: 10px; color: rgba(255,255,255,.5); }

/* ===== 板块速览 ===== */
.overview-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  padding: 30px 28px;
  height: 100%;
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.overview-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}
.overview-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.overview-card:hover::before { opacity: 1; }
.overview-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}
.overview-card h3 { font-size: 18px; margin-bottom: 8px; }
.overview-card p { color: var(--text-muted); font-size: 14px; margin-bottom: 0; line-height: 1.75; }

/* ===== 标签云 ===== */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 30px;
  padding: 9px 20px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}
.tag-item i { font-size: 12px; color: var(--accent); }
.tag-item:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(33,86,227,.25);
}
.tag-item:hover i { color: #fff; }
.tag-cloud-wrap {
  background: linear-gradient(135deg, #eef2fb, #fff);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  padding: 46px 36px;
}

/* ===== 资讯卡片 ===== */
.news-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.news-image { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.news-card:hover .news-image img { transform: scale(1.05); }
.news-image .badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}
.badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}
.badge.orange { background: var(--accent); }
.badge.green { background: #1fbf75; }
.news-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  align-self: flex-start;
}
.card-tag.orange { color: var(--accent); background: var(--accent-light); }
.news-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 10px;
  color: var(--text-main);
  transition: color var(--transition);
}
.news-body h3:hover { color: var(--primary); }
.news-body p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 14px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-light);
  font-size: 13px;
  border-top: 1px dashed var(--border-light);
  padding-top: 14px;
}
.card-meta i { font-size: 12px; }
.card-meta a { color: var(--text-light); }
.card-meta a:hover { color: var(--primary); }

/* ===== 精选列表 ===== */
.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.feature-image { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.feature-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.feature-card:hover .feature-image img { transform: scale(1.04); }
.feature-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: var(--accent);
}
.feature-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.feature-body h3 { font-size: 22px; font-weight: 700; line-height: 1.4; margin-bottom: 12px; }
.feature-body h3 a { color: var(--text-main); }
.feature-body h3 a:hover { color: var(--primary); }
.feature-body p { color: var(--text-muted); font-size: 14px; line-height: 1.75; margin-bottom: 18px; flex: 1; }
.news-list-panel {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  padding: 8px 26px;
  height: 100%;
}
.news-list-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 4px;
  border-bottom: 1px dashed var(--border-light);
  transition: background var(--transition);
}
.news-list-item:last-child { border-bottom: none; }
.news-list-item:hover { background: rgba(33,86,227,.02); }
.news-list-num {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.news-list-item:nth-child(2) .news-list-num { background: var(--accent-light); color: var(--accent); }
.news-list-item:nth-child(3) .news-list-num { background: #e6f7ef; color: #1fbf75; }
.news-list-content { flex: 1; }
.news-list-content h4 { font-size: 15px; font-weight: 600; line-height: 1.5; margin-bottom: 6px; }
.news-list-content h4 a { color: var(--text-main); }
.news-list-content h4 a:hover { color: var(--primary); }
.news-list-content p { color: var(--text-muted); font-size: 13px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 0; }
.news-list-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-light);
  margin-top: 8px;
}
.news-list-meta i { font-size: 11px; }

/* ===== 数据统计 ===== */
.stats-section {
  background: linear-gradient(135deg, #141c2e 0%, #1b2740 100%);
  padding: 80px 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(33,86,227,.25);
  filter: blur(60px);
}
.stats-section::after {
  content: "";
  position: absolute;
  left: -50px;
  bottom: -100px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255,122,40,.15);
  filter: blur(50px);
}
.stats-section .section-title, .stats-section .section-sub { color: #fff; }
.stats-section .section-sub { color: rgba(255,255,255,.75); }
.stats-grid { position: relative; z-index: 2; }
.stat-item {
  text-align: center;
  padding: 34px 20px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), background var(--transition);
}
.stat-item:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,.1);
}
.stat-icon { font-size: 30px; color: var(--accent); margin-bottom: 12px; }
.stat-num {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  font-family: "Helvetica Neue", Arial, sans-serif;
  margin-bottom: 6px;
}
.stat-label { color: rgba(255,255,255,.72); font-size: 14px; }

/* ===== 推荐专题 ===== */
.topic-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 300px;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.topic-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.topic-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.topic-card:hover img { transform: scale(1.06); }
.topic-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,16,32,.88) 0%, rgba(10,16,32,.35) 55%, rgba(10,16,32,.08) 100%);
  z-index: 1;
}
.topic-content {
  position: relative;
  z-index: 2;
  padding: 28px;
  width: 100%;
}
.topic-content h3 { color: #fff; font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.topic-content p { color: rgba(255,255,255,.8); font-size: 14px; margin-bottom: 14px; line-height: 1.6; }
.topic-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  background: rgba(255,255,255,.15);
  padding: 6px 16px;
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(6px);
  transition: all var(--transition);
}
.topic-link:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ===== FAQ ===== */
.faq-wrap {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}
.faq-accordion .accordion-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  background: var(--bg-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-accordion .accordion-item:hover { border-color: var(--border-medium); box-shadow: var(--shadow-xs); }
.faq-accordion .accordion-item.is-active { border-color: var(--primary); box-shadow: 0 4px 18px rgba(33,86,227,.1); }
.faq-accordion .accordion-title {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  background: transparent;
  border: none;
  position: relative;
}
.faq-accordion .accordion-title::before {
  content: "\f059";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--primary);
  font-size: 18px;
}
.faq-accordion .accordion-title::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: 24px;
  color: var(--text-light);
  font-size: 13px;
  transition: transform var(--transition);
}
.faq-accordion .accordion-item.is-active .accordion-title::after { transform: rotate(180deg); color: var(--primary); }
.faq-accordion .accordion-content {
  padding: 4px 24px 22px 70px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  border: none;
  background: transparent;
}
.faq-accordion .accordion-content p { color: var(--text-muted); font-size: 15px; line-height: 1.8; }
.faq-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  font-size: 14px;
  color: var(--primary-dark);
}
.faq-note i { font-size: 18px; }

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(120deg, #173ea8 0%, #2156e3 60%, #2d6bff 100%);
  border-radius: 28px;
  padding: 68px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(33,86,227,.3);
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -70px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
}
.cta-section::after {
  content: "";
  position: absolute;
  bottom: -90px;
  left: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,122,40,.18);
}
.cta-section .section-title { color: #fff; }
.cta-section .section-sub { color: rgba(255,255,255,.85); }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; position: relative; z-index: 2; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.75);
  padding: 80px 0 0;
  margin-top: 100px;
}
.site-footer h3 {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}
.site-footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}
.site-footer a { color: rgba(255,255,255,.7); }
.site-footer a:hover { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.6); max-width: 320px; }
.footer-links li { margin-bottom: 10px; font-size: 14px; }
.footer-links li i { margin-right: 6px; color: var(--accent); font-size: 11px; }
.footer-contact p { font-size: 14px; margin-bottom: 10px; color: rgba(255,255,255,.65); }
.footer-contact i { color: var(--accent); margin-right: 8px; width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 50px;
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}
.footer-bottom a { color: rgba(255,255,255,.6); }
.footer-bottom a:hover { color: #fff; }

/* ===== 焦点可见性 ===== */
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(33,86,227,.5);
  outline-offset: 2px;
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .section { padding: 72px 0; }
  .page-banner { padding: 160px 0 110px; }
  .news-list-panel { padding: 8px 18px; }
}

@media screen and (max-width: 768px) {
  .section { padding: 58px 0; }
  .page-banner { padding: 140px 0 90px; }
  .header-inner { height: 66px; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 16px 40px rgba(20,30,60,.1);
    padding: 16px 20px 24px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: all .35s ease;
    border-radius: 0 0 20px 20px;
  }
  .main-nav.open {
    max-height: 360px;
    opacity: 1;
    transform: translateY(0);
  }
  .nav-list { flex-direction: column; align-items: flex-start; gap: 4px; }
  .nav-list li a { display: block; padding: 12px 14px; font-size: 16px; border-radius: 12px; }
  .header-actions .btn-sm { display: none; }
  .cta-section { padding: 48px 24px; border-radius: 20px; }
  .faq-accordion .accordion-title { padding: 16px 18px; font-size: 15px; }
  .faq-accordion .accordion-content { padding: 0 18px 18px; }
  .tag-cloud-wrap { padding: 32px 22px; }
}

@media screen and (max-width: 520px) {
  body { font-size: 15px; }
  .page-banner h1 { font-size: 34px; }
  .section-title { font-size: 26px; }
  .banner-actions .btn { width: 100%; }
  .feature-body { padding: 20px; }
  .feature-body h3 { font-size: 18px; }
  .topic-card { height: 240px; }
  .topic-content { padding: 20px; }
  .stat-item { padding: 24px 14px; }
  .cta-actions .btn { width: 100%; }
  .footer-bottom { font-size: 12px; line-height: 1.8; }
}

/* roulang page: article */
:root {
  --primary: #1e56a0;
  --primary-dark: #143d78;
  --primary-light: #3b82f6;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --dark: #0b1220;
  --dark-soft: #101b33;
  --bg: #f7f9fc;
  --surface: #ffffff;
  --text: #1e293b;
  --text-soft: #64748b;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(15,23,42,.06);
  --shadow-md: 0 8px 28px rgba(15,23,42,.08);
  --shadow-lg: 0 20px 48px rgba(15,23,42,.12);
  --transition: .3s cubic-bezier(.4,0,.2,1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
.grid-container {
  max-width: 1280px !important;
  padding-left: 24px;
  padding-right: 24px;
}
@media (max-width: 1024px) {
  .grid-container { padding-left: 20px; padding-right: 20px; }
}
@media (max-width: 520px) {
  .grid-container { padding-left: 16px; padding-right: 16px; }
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 72px;
  z-index: 999;
  background: rgba(255,255,255,.68);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,.16);
  transition: background .35s, box-shadow .35s, border-color .35s;
}
.site-header.scrolled {
  background: rgba(255,255,255,.92);
  border-bottom-color: rgba(226,232,240,.9);
  box-shadow: 0 4px 20px rgba(15,23,42,.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo a {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: .5px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.logo a::before {
  content: '';
  width: 8px; height: 32px;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--accent), var(--primary));
  display: inline-block;
}
.main-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav .nav-list a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-soft);
  padding: 8px 4px;
  position: relative;
}
.main-nav .nav-list a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transition: right .3s;
}
.main-nav .nav-list a:hover,
.main-nav .nav-list a.active {
  color: var(--text);
}
.main-nav .nav-list a:hover::after,
.main-nav .nav-list a.active::after {
  right: 0;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(30,86,160,.25);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(30,86,160,.32);
}
.btn-outline {
  background: transparent;
  border: 2px solid rgba(255,255,255,.7);
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255,255,255,.14);
  transform: translateY(-2px);
}
.btn-sm { padding: 9px 18px; font-size: 14px; border-radius: 8px; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 17px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all .3s;
}
.nav-toggle:hover { border-color: var(--primary); color: var(--primary); }
@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all .35s;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .main-nav .nav-list {
    flex-direction: column;
    gap: 4px;
    align-items: stretch;
  }
  .main-nav .nav-list a {
    display: block;
    padding: 12px 16px;
    border-radius: 10px;
  }
  .main-nav .nav-list a:hover,
  .main-nav .nav-list a.active {
    background: var(--bg);
  }
  .nav-toggle { display: inline-flex; }
}

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  min-height: 440px;
  padding: 128px 0 72px;
  background: var(--dark) center/cover no-repeat;
  display: flex;
  align-items: flex-end;
}
.page-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,18,32,.6), rgba(11,18,32,.85));
}
.banner-inner {
  position: relative;
  z-index: 1;
  max-width: 900px;
  color: #fff;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.75);
  margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,.75); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { font-size: 11px; opacity: .5; }
.breadcrumb .current { color: #fff; font-weight: 500; }
.banner-inner h1 {
  font-size: 34px;
  line-height: 1.4;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: .5px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  font-size: 14px;
  color: rgba(255,255,255,.85);
}
.meta-item { display: inline-flex; align-items: center; gap: 7px; }
.meta-item i { color: var(--accent); }

/* ===== Article Main ===== */
.article-main { padding: 56px 0 48px; }
.article-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 44px 48px;
  border: 1px solid rgba(226,232,240,.7);
}
.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: #334155;
}
.article-content p { margin-bottom: 20px; }
.article-content h2, .article-content h3, .article-content h4 {
  color: var(--text);
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 14px;
}
.article-content h2 { font-size: 24px; }
.article-content h3 { font-size: 20px; }
.article-content img { border-radius: 14px; margin: 24px 0; box-shadow: var(--shadow-md); }
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 20px; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: #f1f5f9;
  padding: 16px 20px;
  border-radius: 0 10px 10px 0;
  margin: 24px 0;
  color: var(--text-soft);
}
.article-content a { color: var(--primary); }
.article-content a:hover { text-decoration: underline; }
.content-not-found {
  text-align: center;
  padding: 48px 20px;
}
.content-not-found .icon {
  font-size: 56px;
  color: #cbd5e1;
  margin-bottom: 16px;
}
.content-not-found h2 { font-size: 26px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.content-not-found p { color: var(--text-soft); margin-bottom: 24px; }
.article-footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  margin-top: 32px;
}
.article-footer-bar a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft);
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--bg);
  transition: all .3s;
}
.article-footer-bar a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ===== Sidebar ===== */
.sidebar .side-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  transition: box-shadow var(--transition);
}
.sidebar .side-card:hover { box-shadow: var(--shadow-md); }
.side-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--bg);
  position: relative;
}
.side-card h3::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 36px; height: 2px;
  border-radius: 2px;
  background: var(--primary);
}
.side-about {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  padding: 28px 24px;
  background: var(--dark) center/cover no-repeat;
  color: #fff;
  border: none;
}
.side-about::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(11,18,32,.72), rgba(30,86,160,.55));
}
.side-about > * { position: relative; z-index: 1; }
.side-about h3 { color: #fff; border-color: rgba(255,255,255,.2); }
.side-about h3::after { background: var(--accent); }
.side-about p { font-size: 13px; color: rgba(255,255,255,.85); line-height: 1.7; margin-bottom: 16px; }
.side-about .btn { margin-top: 6px; }
.side-list li { padding: 12px 0; border-bottom: 1px solid #f1f5f9; }
.side-list li:last-child { border-bottom: none; padding-bottom: 0; }
.side-list a { display: flex; flex-direction: column; gap: 4px; }
.side-list .side-title { font-size: 14px; font-weight: 500; color: var(--text); line-height: 1.5; transition: color .3s; }
.side-list a:hover .side-title { color: var(--primary); }
.side-list .side-date { font-size: 12px; color: var(--text-soft); }
.side-nav-list li { margin-bottom: 10px; }
.side-nav-list li:last-child { margin-bottom: 0; }
.side-nav-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--bg);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: all .3s;
}
.side-nav-list a i {
  width: 34px; height: 34px;
  border-radius: 8px;
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 14px;
}
.side-nav-list a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateX(4px);
}
.side-nav-list a:hover i { background: rgba(255,255,255,.2); color: #fff; }
.side-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.side-tags a {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 6px;
  background: var(--bg);
  font-size: 13px;
  color: var(--text-soft);
  border: 1px solid transparent;
  transition: all .3s;
}
.side-tags a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ===== Related ===== */
.related-section { padding: 72px 0 56px; background: var(--bg); }
.section-head { text-align: center; margin-bottom: 40px; }
.section-tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(30,86,160,.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
}
.section-head p {
  color: var(--text-soft);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.article-card-mini {
  background: var(--surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.article-card-mini:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.article-card-mini .card-img {
  position: relative;
  height: 180px;
  overflow: hidden;
  display: block;
}
.article-card-mini .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.article-card-mini:hover .card-img img { transform: scale(1.06); }
.card-tag {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(255,255,255,.92);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
  z-index: 1;
}
.card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: 17px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; }
.card-body h3 a { color: var(--text); transition: color .3s; }
.card-body h3 a:hover { color: var(--primary); }
.card-body p { font-size: 14px; color: var(--text-soft); line-height: 1.65; flex: 1; margin-bottom: 14px; }
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-soft);
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
}
.card-footer .read-more {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.empty-hint {
  text-align: center;
  padding: 32px;
  color: var(--text-soft);
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
}

/* ===== FAQ ===== */
.faq-section { padding: 72px 0; background: var(--surface); }
.faq-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  border: 1px solid var(--border);
  transition: all .3s;
}
.faq-item:hover {
  border-color: rgba(30,86,160,.3);
  box-shadow: var(--shadow-md);
}
.faq-item .q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.faq-item .q i { color: var(--primary); margin-top: 3px; }
.faq-item .a {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
  padding-left: 30px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 72px 0;
  background: var(--dark) center/cover no-repeat;
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(11,18,32,.85), rgba(30,86,160,.6));
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  max-width: 700px;
  margin: 0 auto;
}
.cta-inner h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; }
.cta-inner p { color: rgba(255,255,255,.85); margin-bottom: 28px; font-size: 15px; }
.cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.75);
  padding: 60px 0 0;
}
.footer-brand h3 {
  font-size: 20px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,.65);
  max-width: 320px;
}
.footer-links h4,
.footer-contact h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul a {
  color: rgba(255,255,255,.65);
  font-size: 14px;
  transition: all .3s;
}
.footer-links ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact p { font-size: 14px; margin-bottom: 8px; }
.footer-contact i { color: var(--accent); margin-right: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 48px;
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.55);
}
.footer-bottom a { color: rgba(255,255,255,.65); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 1024px) and (min-width: 768px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .page-banner { min-height: 380px; padding-top: 110px; }
  .banner-inner h1 { font-size: 26px; }
  .article-card { padding: 28px 24px; }
  .article-content { font-size: 15px; }
  .related-grid { grid-template-columns: 1fr; }
  .faq-list { grid-template-columns: 1fr; }
  .article-meta { gap: 12px; }
  .section-head h2 { font-size: 26px; }
  .cta-inner h2 { font-size: 24px; }
  .article-footer-bar { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .logo a { font-size: 18px; }
  .header-actions .btn { display: none; }
  .page-banner { min-height: 320px; padding-top: 96px; padding-bottom: 48px; }
  .banner-inner h1 { font-size: 22px; }
  .article-main { padding: 32px 0 32px; }
  .article-card { padding: 22px 18px; border-radius: 16px; }
  .article-content { font-size: 15px; line-height: 1.8; }
  .article-content p { margin-bottom: 16px; }
  .article-content h2 { font-size: 20px; }
  .article-content h3 { font-size: 18px; }
  .article-meta { flex-wrap: wrap; gap: 10px; font-size: 13px; }
  .related-section, .faq-section, .cta-section { padding: 48px 0; }
  .section-tag { font-size: 12px; }
  .card-body h3 { font-size: 16px; }
  .faq-list { gap: 14px; }
  .faq-item { padding: 18px 16px; }
  .faq-item .q { font-size: 15px; flex-wrap: wrap; gap: 8px; }
  .faq-item .a { padding-left: 0; font-size: 13px; }
  .cta-inner h2 { font-size: 20px; }
  .cta-inner p { font-size: 14px; }
  .footer-bottom { font-size: 12px; }
}

/* roulang page: category2 */
:root {
  --primary: #1b3a5b;
  --primary-dark: #10293f;
  --primary-light: #2d5178;
  --accent: #e85d2a;
  --accent-light: #f07d4f;
  --bg: #f5f7fa;
  --bg-white: #ffffff;
  --text: #1f2630;
  --text-light: #6b7686;
  --border: #e6eaf0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 32px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.14);
  --transition: all 0.3s ease;
  --space-section: 100px;
  --space-section-sm: 60px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

.container-custom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 4px 30px rgba(16, 41, 63, 0.08);
  transition: background 0.35s ease, box-shadow 0.35s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 6px 40px rgba(16, 41, 63, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.logo a {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav .nav-list a {
  display: block;
  padding: 9px 18px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
}

.main-nav .nav-list a:hover {
  color: var(--primary);
  background: rgba(27, 58, 91, 0.06);
}

.main-nav .nav-list a.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 16px rgba(27, 58, 91, 0.3);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 100px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 10px 24px;
  font-size: 14px;
  box-shadow: 0 6px 22px rgba(232, 93, 42, 0.35);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(232, 93, 42, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 14px rgba(232, 93, 42, 0.3);
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: #fff;
  padding: 10px 26px;
  font-size: 15px;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
}

.btn-outline-primary {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  padding: 10px 26px;
  font-size: 15px;
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 13px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--primary);
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: rgba(27, 58, 91, 0.06);
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  padding: 180px 0 120px;
  background: linear-gradient(135deg, rgba(16, 41, 63, 0.92), rgba(27, 58, 91, 0.75)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  color: #fff;
  text-align: center;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg), transparent);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(6px);
  border-radius: 100px;
  padding: 8px 22px;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  margin-bottom: 28px;
}

.hero-badge i {
  color: var(--accent-light);
}

.hero-section h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.hero-section h1 span {
  color: var(--accent-light);
}

.hero-desc {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  max-width: 720px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.hero-stats .stat-item {
  text-align: center;
}

.hero-stats .stat-num {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.hero-stats .stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
}

/* ===== Section ===== */
.section {
  padding: var(--space-section) 0;
}

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

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  background: rgba(232, 93, 42, 0.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.25;
  margin-bottom: 14px;
}

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

/* ===== Feature Cards ===== */
.feature-card {
  height: 100%;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(27, 58, 91, 0.2);
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  margin-bottom: 22px;
  box-shadow: 0 8px 20px rgba(27, 58, 91, 0.25);
}

.feature-card:nth-child(2) .feature-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  box-shadow: 0 8px 20px rgba(232, 93, 42, 0.25);
}

.feature-card:nth-child(3) .feature-icon {
  background: linear-gradient(135deg, #1b8a5a, #3cb77e);
  box-shadow: 0 8px 20px rgba(27, 138, 90, 0.25);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== Category Cards ===== */
.cat-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  background: #fff;
  border: 1px solid var(--border);
}

.cat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.cat-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.cat-card-body {
  padding: 24px;
}

.cat-card-body .cat-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(232, 93, 42, 0.1);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.cat-card-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.cat-card-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 14px;
}

.cat-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.cat-link:hover {
  color: var(--accent);
}

.cat-link i {
  font-size: 12px;
  transition: transform 0.3s ease;
}

.cat-link:hover i {
  transform: translateX(4px);
}

/* ===== Steps ===== */
.steps-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  position: relative;
  overflow: hidden;
}

.steps-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
}

.steps-section::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
}

.steps-section .section-tag {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.steps-section .section-head h2 {
  color: #fff;
}

.steps-section .section-head p {
  color: rgba(255, 255, 255, 0.7);
}

.step-item {
  text-align: center;
  padding: 32px 24px;
  position: relative;
  z-index: 2;
}

.step-num {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 800;
  color: var(--accent-light);
  transition: var(--transition);
}

.step-item:hover .step-num {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: scale(1.1);
}

.step-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.step-item p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.step-item::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -20px;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.3), transparent);
}

.step-item:last-child::after {
  display: none;
}

/* ===== Stats ===== */
.stats-block {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 48px 32px;
  margin-top: -70px;
  position: relative;
  z-index: 3;
}

.stats-block .stat-item {
  text-align: center;
  padding: 16px;
}

.stats-block .stat-num {
  font-size: 44px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stats-block .stat-label {
  font-size: 15px;
  color: var(--text-light);
  margin-top: 6px;
}

/* ===== Content Cards ===== */
.content-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.content-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.content-card .card-img {
  position: relative;
  overflow: hidden;
  height: 190px;
}

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

.content-card:hover .card-img img {
  transform: scale(1.08);
}

.card-img .card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(27, 58, 91, 0.85);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
  z-index: 2;
}

.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-body .card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 10px;
}

.card-body .card-meta i {
  font-size: 12px;
  color: var(--accent);
}

.card-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.45;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-footer .read-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-footer .read-more i {
  font-size: 12px;
  transition: transform 0.3s ease;
}

.card-footer .read-more:hover i {
  transform: translateX(4px);
}

.card-footer .date {
  font-size: 13px;
  color: var(--text-light);
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.accordion {
  background: transparent;
  border: none;
}

.accordion-item {
  background: var(--bg-white);
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.accordion-item:hover {
  box-shadow: var(--shadow-md);
}

.accordion-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--primary);
  padding: 22px 52px 22px 26px;
  position: relative;
  background: transparent;
  border: none !important;
}

.accordion-title:hover,
.accordion-title:focus {
  background: rgba(27, 58, 91, 0.03);
}

.accordion-title::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 14px;
  transition: transform 0.3s ease;
}

.accordion-item.is-active .accordion-title::after {
  transform: translateY(-50%) rotate(180deg);
}

.accordion-content {
  padding: 0 26px 22px;
  border: none !important;
  background: transparent;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  padding: 90px 0;
  background: linear-gradient(135deg, rgba(16, 41, 63, 0.92), rgba(27, 58, 91, 0.85)), url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  text-align: center;
  color: #fff;
  position: relative;
}

.cta-section h2 {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 620px;
  margin: 0 auto 32px;
}

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

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 72px 0 0;
}

.site-footer .grid-x {
  gap: 0;
}

.footer-brand h3 {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
}

.footer-links h4,
.footer-contact h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-links h4::after,
.footer-contact h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 3px;
  background: var(--accent);
  border-radius: 4px;
}

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

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

.footer-links ul li a:hover {
  color: var(--accent-light);
  padding-left: 6px;
}

.footer-contact p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact p i {
  color: var(--accent-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 56px;
  padding: 22px 0;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
}

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

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .hero-section {
    padding: 160px 0 100px;
  }
  .hero-section h1 {
    font-size: 42px;
  }
  .section {
    padding: 74px 0;
  }
  .section-head h2 {
    font-size: 32px;
  }
}

@media screen and (max-width: 768px) {
  .container-custom {
    padding: 0 20px;
  }
  .header-inner {
    height: 64px;
  }
  .logo a {
    font-size: 19px;
  }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 16px 20px;
    display: none;
    z-index: 999;
  }
  .main-nav.open {
    display: block;
  }
  .main-nav .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .main-nav .nav-list a {
    text-align: center;
    padding: 12px 16px;
    font-size: 16px;
  }
  .nav-toggle {
    display: block;
  }
  .hero-section {
    padding: 140px 0 80px;
  }
  .hero-section h1 {
    font-size: 32px;
  }
  .hero-desc {
    font-size: 16px;
  }
  .hero-stats {
    gap: 28px;
    margin-top: 40px;
  }
  .hero-stats .stat-num {
    font-size: 28px;
  }
  .section {
    padding: 56px 0;
  }
  .section-head {
    margin-bottom: 36px;
  }
  .section-head h2 {
    font-size: 27px;
  }
  .stats-block {
    margin-top: -50px;
    padding: 32px 16px;
  }
  .stats-block .stat-num {
    font-size: 32px;
  }
  .cta-section h2 {
    font-size: 28px;
  }
  .step-item::after {
    display: none;
  }
}

@media screen and (max-width: 520px) {
  .hero-section {
    padding: 120px 0 64px;
  }
  .hero-section h1 {
    font-size: 28px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .btn-outline {
    width: 100%;
    max-width: 260px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .feature-card {
    padding: 28px 22px;
  }
  .footer-brand h3 {
    font-size: 20px;
  }
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  .cta-actions .btn {
    width: 100%;
    max-width: 260px;
  }
}