/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0a1628;
  --primary-light: #152c4e;
  --primary-dark: #060e1c;
  --accent: #c9a96e;
  --accent-hover: #b89555;
  --accent-light: rgba(201, 169, 110, 0.15);
  --bg-body: #f4f6fa;
  --bg-white: #ffffff;
  --bg-dark: #0d1b30;
  --text-main: #1a2333;
  --text-weak: #6b7a8f;
  --border: #e6eaf0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 8px 32px rgba(10, 22, 40, 0.08);
  --shadow-hover: 0 18px 46px rgba(10, 22, 40, 0.14);
  --transition: all 0.3s ease;
  --font-sans: "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; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-sans); background-color: var(--bg-body); color: var(--text-main); line-height: 1.7; font-size: 16px; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }
::selection { background: rgba(201, 169, 110, 0.3); }

/* ===== Bootstrap 覆盖 ===== */
.btn { border-radius: 8px; padding: 10px 24px; font-weight: 600; transition: var(--transition); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover, .btn-primary:focus { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201, 169, 110, 0.35); color: #fff; }
.btn-outline-light { border: 2px solid rgba(255,255,255,0.7); color: #fff; border-radius: 8px; padding: 10px 24px; font-weight: 600; }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; color: #fff; transform: translateY(-2px); }
.btn-outline-accent { border: 2px solid var(--accent); color: var(--accent); }
.btn-outline-accent:hover { background: var(--accent); color: #fff; }
.form-control { border-radius: 10px; border-color: var(--border); padding: 10px 16px; }
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.15); }
.accordion-button:not(.collapsed) { background: var(--accent-light); color: var(--primary); box-shadow: none; }
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.2); }

/* ===== 导航 ===== */
.site-header { background: var(--primary); position: sticky; top: 0; z-index: 1000; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2); }
.navbar { padding: 14px 0; }
.navbar-brand { display: flex; align-items: center; gap: 10px; font-size: 1.4rem; font-weight: 800; color: #fff; letter-spacing: 1px; }
.navbar-brand:hover { color: var(--accent); }
.navbar-brand .brand-icon { width: 40px; height: 40px; background: linear-gradient(135deg, var(--accent), #e0c088); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1rem; color: #fff; }
.navbar-brand .brand-text { line-height: 1.2; }
.navbar-brand .brand-text small { display: block; font-size: 0.7rem; font-weight: 400; color: rgba(255,255,255,0.7); letter-spacing: 2px; }
.navbar-nav .nav-link { color: rgba(255,255,255,0.75); font-weight: 500; padding: 8px 20px; border-radius: 8px; margin: 0 4px; font-size: 15px; transition: var(--transition); }
.navbar-nav .nav-link:hover { color: var(--accent); background: rgba(255,255,255,0.06); }
.navbar-nav .nav-link.active { color: var(--accent); background: var(--accent-light); }
.nav-cta { background: var(--accent); color: #fff; border-radius: 8px; padding: 8px 22px; font-weight: 600; font-size: 15px; margin-left: 10px; transition: var(--transition); }
.nav-cta:hover { background: var(--accent-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(201, 169, 110, 0.4); }
.navbar-toggler { border: 1px solid rgba(255,255,255,0.2); color: #fff; padding: 6px 10px; }
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler .fa { font-size: 1.2rem; }
@media (max-width: 991px) {
  .navbar-nav { padding: 16px 0; }
  .navbar-nav .nav-link { padding: 10px 16px; }
  .nav-cta { margin: 10px 0 0; display: inline-block; text-align: center; }
  .navbar-collapse { background: var(--primary-light); border-radius: 12px; padding: 8px 16px; margin-top: 8px; }
}

/* ===== Hero 首屏 ===== */
.hero-section { position: relative; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; min-height: 600px; display: flex; align-items: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(6, 14, 28, 0.88) 0%, rgba(10, 22, 40, 0.78) 50%, rgba(21, 44, 78, 0.5) 100%); }
.hero-content { position: relative; z-index: 2; padding: 100px 0; max-width: 680px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--accent-light); border: 1px solid var(--accent); color: var(--accent); padding: 6px 18px; border-radius: 30px; font-size: 14px; font-weight: 600; letter-spacing: 1px; margin-bottom: 22px; }
.hero-badge .point { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero-title { font-size: 3rem; font-weight: 800; color: #fff; line-height: 1.25; letter-spacing: 1px; margin-bottom: 18px; }
.hero-title span { color: var(--accent); }
.hero-sub { font-size: 1.1rem; color: rgba(255,255,255,0.85); line-height: 1.8; margin-bottom: 32px; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 30px; margin-top: 56px; }
.hero-meta-item { color: rgba(255,255,255,0.8); font-size: 14px; display: flex; align-items: center; gap: 8px; }
.hero-meta-item i { color: var(--accent); }
@media (max-width: 768px) {
  .hero-section { min-height: 520px; }
  .hero-title { font-size: 2rem; }
  .hero-sub { font-size: 1rem; }
  .hero-content { padding: 70px 0; }
  .hero-meta { flex-wrap: wrap; gap: 14px; margin-top: 36px; }
}

/* ===== 板块通用 ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-white); }
.section-dark { background: var(--bg-dark); color: #fff; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header .section-tag { display: inline-block; background: var(--accent-light); color: var(--accent); font-size: 13px; font-weight: 600; padding: 4px 16px; border-radius: 20px; letter-spacing: 1px; margin-bottom: 12px; }
.section-header .section-title { font-size: 2.2rem; font-weight: 700; color: var(--text-main); margin-bottom: 10px; line-height: 1.3; }
.section-header .section-desc { color: var(--text-weak); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }
.section-header.light .section-title { color: #fff; }
.section-header.light .section-desc { color: rgba(255,255,255,0.7); }
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-header .section-title { font-size: 1.7rem; }
}

/* ===== 核心介绍板块 ===== */
.intro-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; }
.intro-media { position: relative; }
.intro-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.intro-media .float-card { position: absolute; bottom: 24px; left: -20px; background: #fff; border-radius: var(--radius); padding: 18px 24px; box-shadow: var(--shadow-hover); display: flex; align-items: center; gap: 16px; }
.intro-media .float-card .num { font-size: 2rem; font-weight: 800; color: var(--accent); line-height: 1; }
.intro-media .float-card .label { font-size: 13px; color: var(--text-weak); }
.intro-content .intro-title { font-size: 2rem; font-weight: 700; color: var(--text-main); margin-bottom: 18px; line-height: 1.4; }
.intro-content .intro-text { color: var(--text-weak); font-size: 1.05rem; line-height: 1.8; margin-bottom: 16px; }
.intro-features { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.intro-feature { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: var(--bg-body); border-radius: var(--radius-sm); font-weight: 500; font-size: 15px; }
.intro-feature i { color: var(--accent); font-size: 1.1rem; }
@media (max-width: 992px) {
  .intro-grid { grid-template-columns: 1fr; gap: 36px; }
  .intro-media .float-card { left: 10px; }
}
@media (max-width: 560px) {
  .intro-features { grid-template-columns: 1fr; }
}

/* ===== 特色卡片 ===== */
.feature-card { background: var(--bg-white); border-radius: var(--radius); padding: 32px 28px; height: 100%; border: 1px solid var(--border); transition: var(--transition); position: relative; overflow: hidden; }
.feature-card::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--accent), transparent); opacity: 0; transition: var(--transition); }
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: transparent; }
.feature-card:hover::after { opacity: 1; }
.feature-icon { width: 60px; height: 60px; border-radius: 14px; background: var(--accent-light); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin-bottom: 20px; transition: var(--transition); }
.feature-card:hover .feature-icon { background: var(--accent); color: #fff; }
.feature-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 10px; color: var(--text-main); }
.feature-card p { color: var(--text-weak); font-size: 0.95rem; line-height: 1.7; margin-bottom: 0; }
.feature-card .feature-link { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-weight: 600; font-size: 14px; margin-top: 14px; }
.feature-card .feature-link:hover { gap: 12px; }

/* ===== 分类入口 ===== */
.category-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; height: 280px; display: block; cursor: pointer; }
.category-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.category-card:hover img { transform: scale(1.05); }
.category-card .category-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10, 22, 40, 0.1) 0%, rgba(10, 22, 40, 0.85) 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 26px; transition: var(--transition); }
.category-card:hover .category-overlay { background: linear-gradient(180deg, rgba(10, 22, 40, 0.2) 0%, rgba(10, 22, 40, 0.92) 100%); }
.category-card .cat-tag { display: inline-block; width: fit-content; background: var(--accent); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 20px; margin-bottom: 10px; letter-spacing: 0.5px; }
.category-card h3 { color: #fff; font-size: 1.4rem; font-weight: 700; margin-bottom: 6px; }
.category-card p { color: rgba(255,255,255,0.75); font-size: 14px; margin-bottom: 12px; }
.category-card .cat-more { color: var(--accent); font-size: 14px; font-weight: 600; }
.category-card .cat-more i { margin-left: 4px; transition: var(--transition); }
.category-card:hover .cat-more i { margin-left: 8px; }

/* ===== 内容列表 ===== */
.content-wrapper { background: var(--bg-white); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow); }
.content-list { display: flex; flex-direction: column; }
.content-item { display: flex; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--border); transition: var(--transition); align-items: center; }
.content-item:last-child { border-bottom: none; }
.content-item:hover { padding-left: 10px; }
.content-thumb { width: 120px; height: 84px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; }
.content-info { flex: 1; }
.content-cat { display: inline-block; background: var(--accent-light); color: var(--accent); font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 12px; margin-bottom: 6px; }
.content-info h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 4px; }
.content-info h3 a { color: var(--text-main); }
.content-info h3 a:hover { color: var(--accent); }
.content-info p { color: var(--text-weak); font-size: 0.9rem; line-height: 1.6; margin-bottom: 4px; }
.content-info time { color: var(--text-weak); font-size: 0.82rem; display: flex; align-items: center; gap: 6px; }
.content-info time i { color: var(--accent); }
.empty-tip { text-align: center; color: var(--text-weak); padding: 60px 20px; font-size: 1.05rem; }
.empty-tip i { font-size: 2rem; display: block; margin-bottom: 12px; color: var(--border); }
@media (max-width: 768px) {
  .content-wrapper { padding: 20px; }
  .content-item { flex-direction: column; align-items: flex-start; gap: 12px; }
  .content-thumb { width: 100%; height: 160px; }
}

/* ===== 数据统计 ===== */
.stats-section { background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-attachment: fixed; background-position: center; position: relative; }
.stats-overlay { position: absolute; inset: 0; background: rgba(6, 14, 28, 0.88); }
.stats-inner { position: relative; z-index: 2; }
.stat-card { text-align: center; padding: 30px 20px; }
.stat-card .stat-num { font-size: 3rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
.stat-card .stat-label { color: rgba(255,255,255,0.8); font-size: 15px; margin-top: 8px; letter-spacing: 1px; }
.stat-card .stat-icon { font-size: 2rem; color: var(--accent); margin-bottom: 12px; opacity: 0.7; }
@media (max-width: 768px) {
  .stats-section { background-attachment: scroll; }
  .stat-card .stat-num { font-size: 2.2rem; }
}

/* ===== 流程步骤 ===== */
.step-card { text-align: center; padding: 36px 24px; position: relative; }
.step-num { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), #e0c088); color: #fff; font-size: 1.4rem; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; box-shadow: 0 8px 20px rgba(201, 169, 110, 0.4); }
.step-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; color: var(--text-main); }
.step-card p { color: var(--text-weak); font-size: 0.95rem; line-height: 1.7; }
.step-arrow { position: absolute; top: 50%; right: -20px; color: var(--accent); font-size: 1.5rem; z-index: 2; }
@media (max-width: 768px) {
  .step-arrow { display: none; }
}

/* ===== FAQ ===== */
.faq-wrapper { max-width: 860px; margin: 0 auto; }
.faq-item { margin-bottom: 14px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: var(--bg-white); transition: var(--transition); }
.faq-item:hover { box-shadow: var(--shadow); border-color: transparent; }
.faq-item summary { padding: 22px 28px; cursor: pointer; font-weight: 600; font-size: 1.05rem; color: var(--text-main); position: relative; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--accent); transition: transform 0.3s; }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item[open] summary { border-bottom: 1px solid var(--border); }
.faq-item .faq-answer { padding: 0 28px 24px; color: var(--text-weak); font-size: 0.95rem; line-height: 1.8; }

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); border-radius: var(--radius-lg); padding: 56px 48px; text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: -60px; right: -60px; width: 200px; height: 200px; border-radius: 50%; background: rgba(201, 169, 110, 0.15); }
.cta-section::after { content: ''; position: absolute; bottom: -80px; left: -40px; width: 180px; height: 180px; border-radius: 50%; background: rgba(201, 169, 110, 0.08); }
.cta-title { color: #fff; font-size: 2rem; font-weight: 800; margin-bottom: 14px; position: relative; z-index: 2; }
.cta-desc { color: rgba(255,255,255,0.8); font-size: 1.05rem; margin-bottom: 30px; position: relative; z-index: 2; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-actions { position: relative; z-index: 2; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-note { margin-top: 20px; color: rgba(255,255,255,0.5); font-size: 13px; position: relative; z-index: 2; }
@media (max-width: 768px) {
  .cta-section { padding: 40px 24px; }
  .cta-title { font-size: 1.6rem; }
}

/* ===== 页脚 ===== */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.footer-brand { font-size: 1.5rem; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .brand-icon { width: 40px; height: 40px; background: linear-gradient(135deg, var(--accent), #e0c088); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1rem; color: #fff; }
.footer-desc { color: rgba(255,255,255,0.5); font-size: 0.9rem; line-height: 1.8; max-width: 300px; }
.footer-links h4 { color: #fff; font-size: 1.1rem; font-weight: 600; margin-bottom: 18px; }
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul li a { color: rgba(255,255,255,0.5); font-size: 0.9rem; transition: var(--transition); }
.footer-links ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; margin-top: 48px; font-size: 0.85rem; color: rgba(255,255,255,0.35); text-align: center; }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--accent); }
.footer-cert { display: flex; gap: 20px; margin-top: 8px; justify-content: center; }
.footer-cert span { display: inline-flex; align-items: center; gap: 6px; font-size: 0.8rem; }
.footer-cert i { color: var(--accent); }
@media (max-width: 768px) {
  .footer-links { margin-bottom: 24px; }
  .site-footer { padding-top: 40px; }
}

/* ===== 通用状态 ===== */
a:focus-visible, button:focus-visible { outline: 3px solid rgba(201, 169, 110, 0.4); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* roulang page: article */
:root {
  --primary: #0B1F3F;
  --primary-light: #132E54;
  --primary-dark: #061226;
  --accent: #D4A943;
  --accent-light: #E6C268;
  --accent-dark: #B88A2E;
  --bg-body: #F5F7FB;
  --bg-card: #FFFFFF;
  --bg-soft: #EEF1F7;
  --text-main: #1B2A3A;
  --text-muted: #64748B;
  --border-color: #E2E8F0;
  --radius-xl: 22px;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-xs: 0 1px 3px rgba(11,31,63,.04);
  --shadow-sm: 0 2px 10px rgba(11,31,63,.06);
  --shadow-md: 0 8px 24px rgba(11,31,63,.08);
  --shadow-lg: 0 16px 42px rgba(11,31,63,.13);
  --transition-base: all .25s ease;
  --font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
*, *::before, *::after { box-sizing: border-box; }
h1, h2, h3, h4, h5, h6 { color: var(--primary); font-weight: 700; line-height: 1.35; }
a { text-decoration: none; color: inherit; transition: var(--transition-base); }
img { max-width: 100%; height: auto; }
ul, ol { padding-left: 0; list-style: none; margin-bottom: 0; }
p { margin-bottom: 0; }
.container { max-width: 1200px; }
.section-padding { padding: 88px 0; }
.bg-soft { background: var(--bg-soft); }
.btn { border-radius: 50px; font-weight: 600; padding: .6rem 1.6rem; transition: var(--transition-base); }
.btn:focus { box-shadow: 0 0 0 .25rem rgba(212,169,67,.25); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary-dark);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--accent-light);
  border-color: var(--accent-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline-primary {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-outline-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.btn-light {
  background: #fff;
  border-color: #fff;
  color: var(--primary);
}
.btn-light:hover {
  background: var(--bg-soft);
  border-color: var(--bg-soft);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary-dark);
}
.btn-accent:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===== Header / Nav ===== */
.site-header {
  background: rgba(11,31,63,.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 1050;
  border-bottom: 1px solid rgba(212,169,67,.18);
  box-shadow: 0 4px 20px rgba(6,18,38,.35);
}
.navbar { padding: .8rem 0; }
.navbar-brand { display: flex; align-items: center; gap: .6rem; font-size: 1.15rem; font-weight: 700; color: #fff; }
.navbar-brand:hover { color: var(--accent); }
.brand-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; color: var(--primary-dark);
  box-shadow: 0 4px 12px rgba(212,169,67,.3);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text small { font-size: .62rem; letter-spacing: .12em; color: rgba(255,255,255,.65); font-weight: 400; }
.navbar-nav .nav-link {
  color: rgba(255,255,255,.85);
  font-size: .95rem;
  font-weight: 500;
  padding: .55rem 1.1rem !important;
  border-radius: 50px;
  margin: 0 2px;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: var(--accent);
  background: rgba(212,169,67,.08);
}
.navbar-nav .nav-link.active {
  color: var(--accent);
  background: rgba(212,169,67,.12);
}
.navbar-nav .nav-cta {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--accent);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: .92rem;
  padding: .55rem 1.4rem;
  border-radius: 50px;
  margin-left: .8rem;
  transition: var(--transition-base);
  box-shadow: 0 4px 14px rgba(212,169,67,.3);
}
.navbar-nav .nav-cta:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212,169,67,.4);
  color: var(--primary-dark);
}
.navbar-toggler {
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 10px;
  color: #fff;
  padding: .35rem .6rem;
}
.navbar-toggler:focus { box-shadow: 0 0 0 .2rem rgba(212,169,67,.25); }

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 120px 0 100px;
  background: linear-gradient(135deg, rgba(11,31,63,.94), rgba(6,18,38,.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--bg-body), transparent);
  pointer-events: none;
}
.breadcrumb-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .6rem;
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}
.breadcrumb-nav a { color: rgba(255,255,255,.8); }
.breadcrumb-nav a:hover { color: var(--accent); }
.breadcrumb-nav i { font-size: .65rem; color: rgba(255,255,255,.4); }
.page-hero-title {
  color: #fff;
  font-size: 2.5rem;
  font-weight: 800;
  max-width: 860px;
  margin: 0 auto 1rem;
  line-height: 1.35;
  letter-spacing: -.01em;
}
.page-hero-meta {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  font-size: .92rem;
  color: rgba(255,255,255,.7);
  margin-top: .8rem;
}
.page-hero-meta span { display: inline-flex; align-items: center; gap: .4rem; }
.page-hero-meta i { color: var(--accent); }

/* ===== Article Section ===== */
.article-section { padding: 70px 0 40px; position: relative; z-index: 2; }
.article-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 2.8rem;
  border: 1px solid rgba(226,232,240,.6);
}
.article-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .8rem;
  padding-bottom: 1.5rem;
  margin-bottom: 1.8rem;
  border-bottom: 1px solid var(--border-color);
}
.article-cat {
  display: inline-flex;
  align-items: center;
  background: rgba(212,169,67,.12);
  color: var(--accent-dark);
  padding: .3rem 1rem;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
}
.article-date {
  color: var(--text-muted);
  font-size: .88rem;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.article-content {
  font-size: 1.04rem;
  line-height: 2;
  color: #2D3E50;
}
.article-content p { margin-bottom: 1.6rem; }
.article-content h2 {
  font-size: 1.55rem;
  margin: 2.4rem 0 1.2rem;
  padding-bottom: .6rem;
  border-bottom: 2px solid rgba(212,169,67,.25);
}
.article-content h3 {
  font-size: 1.25rem;
  margin: 2rem 0 1rem;
}
.article-content ul,
.article-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.6rem;
}
.article-content ul li {
  list-style: disc;
  margin-bottom: .45rem;
}
.article-content ol li {
  list-style: decimal;
  margin-bottom: .45rem;
}
.article-content img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin: 1.5rem 0;
}
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: rgba(212,169,67,.08);
  padding: 1.2rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.8rem 0;
  color: var(--text-muted);
  font-style: italic;
}
.article-content a { color: var(--accent-dark); font-weight: 600; }
.article-content a:hover { color: var(--accent); text-decoration: underline; }
.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}
.article-tags { display: flex; gap: .6rem; flex-wrap: wrap; }
.article-tags .tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: var(--bg-soft);
  color: var(--text-muted);
  border-radius: 50px;
  padding: .28rem .9rem;
  font-size: .82rem;
  font-weight: 600;
  transition: var(--transition-base);
}
.article-tags .tag:hover {
  background: rgba(212,169,67,.15);
  color: var(--accent-dark);
}
.article-notfound {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 4rem 2.5rem;
  text-align: center;
}
.article-notfound i {
  font-size: 3.2rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
  opacity: .8;
}
.article-notfound h2 {
  font-size: 1.8rem;
  margin-bottom: .8rem;
}
.article-notfound p {
  color: var(--text-muted);
  margin-bottom: 1.8rem;
}

/* ===== Related Section ===== */
.related-section { padding: 70px 0 80px; }
.section-tag {
  display: inline-flex;
  background: rgba(212,169,67,.12);
  color: var(--accent-dark);
  padding: .3rem 1.2rem;
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: .8rem;
}
.section-header h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: .6rem;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto;
}
.related-card {
  display: block;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  height: 100%;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212,169,67,.4);
}
.related-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-soft);
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.related-card:hover .related-thumb img { transform: scale(1.06); }
.related-cat-badge {
  position: absolute;
  top: .8rem;
  left: .8rem;
  background: rgba(11,31,63,.88);
  color: var(--accent);
  font-size: .75rem;
  font-weight: 700;
  padding: .22rem .8rem;
  border-radius: 50px;
  backdrop-filter: blur(6px);
}
.related-body { padding: 1.2rem 1.3rem 1.4rem; }
.related-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: .5rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 3em;
}
.related-date {
  font-size: .82rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}

/* ===== FAQ Section ===== */
.faq-section { padding: 80px 0; background: var(--primary); position: relative; overflow: hidden; }
.faq-section::before {
  content: '';
  position: absolute;
  top: -120px; right: -80px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(212,169,67,.15), transparent 70%);
  pointer-events: none;
}
.faq-section .section-tag { background: rgba(212,169,67,.15); color: var(--accent); }
.faq-section .section-header h2 { color: #fff; }
.faq-section .section-header p { color: rgba(255,255,255,.7); }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.5rem;
  margin-bottom: 1rem;
  transition: var(--transition-base);
}
.faq-item:hover {
  background: rgba(255,255,255,.09);
  border-color: rgba(212,169,67,.3);
}
.faq-item summary {
  cursor: pointer;
  color: #fff;
  font-weight: 600;
  font-size: 1.02rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary strong { color: var(--accent); margin-right: .5rem; }
.faq-item summary .icon {
  flex-shrink: 0;
  color: var(--accent);
  transition: var(--transition-base);
}
.faq-item[open] summary .fa-chevron-down { transform: rotate(180deg); }
.faq-answer {
  color: rgba(255,255,255,.75);
  padding: 1rem 0 0;
  font-size: .95rem;
  line-height: 1.8;
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: .8rem;
}

/* ===== CTA Section ===== */
.cta-section { padding: 80px 0; background: var(--bg-body); }
.cta-card {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-xl);
  padding: 3.5rem 3rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute;
  top: -60px; left: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(212,169,67,.2), transparent 70%);
  pointer-events: none;
}
.cta-card::after {
  content: '';
  position: absolute;
  bottom: -40px; right: -40px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(212,169,67,.12), transparent 70%);
  pointer-events: none;
}
.cta-icon {
  width: 68px; height: 68px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  color: var(--primary-dark);
  margin: 0 auto 1.4rem;
  box-shadow: 0 8px 24px rgba(212,169,67,.35);
}
.cta-card h2 { color: #fff; font-size: 1.8rem; font-weight: 800; margin-bottom: .8rem; }
.cta-card p { color: rgba(255,255,255,.7); font-size: 1.02rem; margin-bottom: 1.8rem; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; justify-content: center; gap: .8rem; flex-wrap: wrap; position: relative; z-index: 2; }

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,.7);
  padding: 60px 0 0;
  border-top: 3px solid rgba(212,169,67,.3);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.footer-brand .brand-icon {
  width: 38px; height: 38px;
  font-size: 1rem;
}
.footer-desc {
  color: rgba(255,255,255,.6);
  font-size: .92rem;
  line-height: 1.8;
  margin-bottom: 0;
}
.footer-links h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.1rem;
  position: relative;
  padding-bottom: .5rem;
}
.footer-links h4::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 32px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-links ul li { margin-bottom: .55rem; }
.footer-links ul li a {
  color: rgba(255,255,255,.65);
  font-size: .92rem;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  transition: var(--transition-base);
}
.footer-links ul li a:hover { color: var(--accent); padding-left: 3px; }
.footer-links ul li span {
  color: rgba(255,255,255,.65);
  font-size: .92rem;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.footer-bottom {
  margin-top: 50px;
  padding: 1.4rem 0;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .8rem;
}
.footer-bottom p {
  font-size: .86rem;
  color: rgba(255,255,255,.5);
  margin: 0;
}
.footer-cert {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
}
.footer-cert span {
  font-size: .8rem;
  color: rgba(255,255,255,.45);
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.footer-cert i { color: var(--accent); font-size: .75rem; }

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin-top: .8rem;
    border: 1px solid rgba(255,255,255,.08);
  }
  .navbar-nav .nav-link { padding: .65rem 1rem !important; }
  .navbar-nav .nav-cta {
    margin-left: 0;
    margin-top: .5rem;
    justify-content: center;
  }
  .page-hero { padding: 90px 0 70px; }
  .page-hero-title { font-size: 2rem; }
  .article-card { padding: 2rem; }
  .section-padding { padding: 68px 0; }
}
@media (max-width: 767.98px) {
  .page-hero { padding: 70px 0 60px; }
  .page-hero-title { font-size: 1.6rem; }
  .page-hero-meta { gap: .8rem; font-size: .85rem; }
  .article-card { padding: 1.5rem; border-radius: var(--radius-lg); }
  .article-header { flex-direction: column; align-items: flex-start; }
  .article-content { font-size: .98rem; line-height: 1.9; }
  .article-footer { flex-direction: column; align-items: flex-start; }
  .cta-card { padding: 2.5rem 1.5rem; }
  .cta-card h2 { font-size: 1.4rem; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons .btn { width: 100%; max-width: 280px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .footer-cert { justify-content: center; }
}
@media (max-width: 520px) {
  .navbar-brand small { display: none; }
  .page-hero-title { font-size: 1.35rem; }
  .section-header h2 { font-size: 1.5rem; }
  .related-body h3 { font-size: .95rem; }
  .faq-item { padding: 1rem 1.1rem; }
}

/* roulang page: category1 */
:root {
    --primary: #0b1f3a;
    --primary-dark: #071528;
    --primary-light: #16294a;
    --accent: #d4a62a;
    --accent-hover: #bc911f;
    --accent-light: #f5e9c8;
    --bg: #f5f7fb;
    --white: #ffffff;
    --text: #1c2733;
    --text-muted: #5f6f80;
    --border: #e4e9f1;
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 4px 16px rgba(11, 31, 58, 0.06);
    --shadow-md: 0 10px 30px rgba(11, 31, 58, 0.08);
    --shadow-lg: 0 18px 44px rgba(11, 31, 58, 0.14);
    --transition: all 0.3s ease;
    --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-family); color: var(--text); background: var(--bg); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
.container { max-width: 1240px; padding-left: 24px; padding-right: 24px; }
.section { padding: 90px 0; }
.section-light { background: var(--white); }
.section-dark { background: var(--primary-dark); color: #fff; position: relative; overflow: hidden; }
.section-head { text-align: center; max-width: 700px; margin: 0 auto 52px; }
.section-tag { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-size: 14px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; background: rgba(212, 166, 42, 0.1); padding: 6px 16px; border-radius: 50px; margin-bottom: 14px; }
.section-head h2 { font-size: 36px; font-weight: 800; color: var(--text); margin-bottom: 12px; letter-spacing: -0.5px; }
.section-head p { color: var(--text-muted); font-size: 17px; }
.section-head.light h2 { color: #fff; }
.section-head.light p { color: rgba(255, 255, 255, 0.7); }

.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(7, 21, 40, 0.94); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255, 255, 255, 0.07); }
.site-header .navbar { padding: 14px 0; }
.navbar-brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { width: 42px; height: 42px; background: linear-gradient(135deg, #d4a62a, #f0c944); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #0b1f3a; font-size: 19px; box-shadow: 0 4px 14px rgba(212, 166, 42, 0.35); }
.brand-text { font-size: 22px; font-weight: 800; color: #fff; line-height: 1.15; display: flex; flex-direction: column; }
.brand-text small { font-size: 10px; letter-spacing: 2.5px; color: #d4a62a; font-weight: 700; }
.navbar-nav .nav-link { color: rgba(255, 255, 255, 0.82); font-weight: 500; padding: 8px 18px !important; border-radius: 10px; font-size: 15px; }
.navbar-nav .nav-link:hover, .navbar-nav .nav-link.active { color: #f0c944; background: rgba(212, 166, 42, 0.13); }
.nav-cta { display: inline-flex; align-items: center; gap: 6px; background: linear-gradient(135deg, #d4a62a, #f0c944); color: #0b1f3a; font-weight: 700; padding: 9px 22px; border-radius: 50px; margin-left: 12px; font-size: 15px; transition: var(--transition); box-shadow: 0 4px 12px rgba(212, 166, 42, 0.25); }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(212, 166, 42, 0.35); color: #0b1f3a; }
.navbar-toggler { border: none; color: #fff; font-size: 22px; padding: 4px 10px; }
.navbar-toggler:focus { box-shadow: none; }

.page-hero { position: relative; padding: 130px 0 95px; background: linear-gradient(135deg, rgba(7, 21, 40, 0.9), rgba(11, 31, 58, 0.72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; border-bottom: 3px solid rgba(212, 166, 42, 0.25); }
.page-hero::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 90px; background: linear-gradient(to top, rgba(245, 247, 251, 0.15), transparent); pointer-events: none; }
.page-hero .hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(212, 166, 42, 0.15); border: 1px solid rgba(212, 166, 42, 0.35); color: #f0c944; padding: 6px 16px; border-radius: 50px; font-size: 14px; font-weight: 600; margin-bottom: 22px; letter-spacing: 1px; }
.page-hero h1 { font-size: 48px; font-weight: 800; color: #fff; margin-bottom: 18px; line-height: 1.25; letter-spacing: -1px; }
.page-hero h1 span { color: #f0c944; }
.page-hero .hero-lead { font-size: 18px; color: rgba(255, 255, 255, 0.82); max-width: 640px; margin-bottom: 32px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-actions .btn { border-radius: 50px; padding: 14px 32px; font-weight: 700; font-size: 16px; }
.btn-accent { background: linear-gradient(135deg, #d4a62a, #f0c944); color: #0b1f3a; border: none; transition: var(--transition); }
.btn-accent:hover, .btn-accent:focus { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(212, 166, 42, 0.4); color: #0b1f3a; }
.btn-outline-light { border: 2px solid rgba(255, 255, 255, 0.45); color: #fff; }
.btn-outline-light:hover, .btn-outline-light:focus { background: rgba(255, 255, 255, 0.1); border-color: #fff; color: #fff; }

.feature-card { border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 34px 28px; height: 100%; background: var(--white); transition: var(--transition); box-shadow: var(--shadow-sm); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(212, 166, 42, 0.3); }
.feature-icon { width: 60px; height: 60px; background: linear-gradient(135deg, rgba(212, 166, 42, 0.14), rgba(212, 166, 42, 0.06)); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 24px; color: #c99a1f; margin-bottom: 22px; transition: var(--transition); }
.feature-card:hover .feature-icon { background: linear-gradient(135deg, #d4a62a, #f0c944); color: #0b1f3a; transform: scale(1.05); }
.feature-card h3 { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 15px; line-height: 1.7; margin-bottom: 0; }

.steps-section { background: linear-gradient(135deg, #071528, #0b1f3a); position: relative; }
.steps-section::before { content: ''; position: absolute; right: -100px; top: -100px; width: 400px; height: 400px; border-radius: 50%; background: rgba(212, 166, 42, 0.05); pointer-events: none; }
.step-item { text-align: center; padding: 30px 20px; position: relative; height: 100%; }
.step-item::after { content: ''; position: absolute; top: 50%; right: -15px; width: 30px; height: 2px; background: linear-gradient(90deg, rgba(212, 166, 42, 0.5), transparent); }
.step-item:last-child::after, .step-item:nth-child(4)::after { display: none; }
.step-num { font-size: 56px; font-weight: 800; color: rgba(212, 166, 42, 0.25); line-height: 1; display: block; margin-bottom: 18px; font-family: Georgia, serif; }
.step-item h3 { color: #fff; font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.step-item p { color: rgba(255, 255, 255, 0.65); font-size: 15px; line-height: 1.7; margin-bottom: 0; }

.guide-card { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; height: 100%; background: var(--white); transition: var(--transition); box-shadow: var(--shadow-sm); }
.guide-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(212, 166, 42, 0.35); }
.guide-card-img { position: relative; height: 200px; overflow: hidden; }
.guide-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.guide-card:hover .guide-card-img img { transform: scale(1.06); }
.guide-card-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(7, 21, 40, 0.55), rgba(7, 21, 40, 0.05)); }
.guide-card-icon { position: absolute; bottom: 18px; left: 22px; z-index: 2; width: 46px; height: 46px; background: linear-gradient(135deg, #d4a62a, #f0c944); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #0b1f3a; font-size: 18px; box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25); }
.guide-card-body { padding: 26px 24px 28px; }
.guide-card-body h3 { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.guide-card-body p { color: var(--text-muted); font-size: 15px; line-height: 1.7; margin-bottom: 16px; }
.guide-card-more { display: inline-flex; align-items: center; gap: 8px; color: var(--accent-hover); font-weight: 700; font-size: 14px; }
.guide-card:hover .guide-card-more { gap: 12px; }

.stats-section { padding: 70px 0; background: linear-gradient(135deg, #f5f7fb, #fff); border-bottom: 1px solid var(--border); }
.stat-item { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 34px 20px; box-shadow: var(--shadow-sm); transition: var(--transition); height: 100%; }
.stat-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.stat-num { font-size: 44px; font-weight: 800; color: var(--primary); display: block; line-height: 1.2; margin-bottom: 8px; }
.stat-num .suffix { color: var(--accent); font-size: 30px; }
.stat-label { color: var(--text-muted); font-size: 15px; font-weight: 500; }

.article-row { display: flex; gap: 0; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); box-shadow: var(--shadow-sm); height: 100%; }
.article-row:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: rgba(212, 166, 42, 0.3); }
.article-row-img { width: 180px; min-width: 180px; position: relative; overflow: hidden; }
.article-row-img img { width: 100%; height: 100%; object-fit: cover; }
.article-row-body { padding: 24px 24px 22px; display: flex; flex-direction: column; }
.badge-tag { display: inline-flex; align-items: center; background: rgba(212, 166, 42, 0.12); color: #a07d12; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 50px; align-self: flex-start; margin-bottom: 12px; letter-spacing: 0.5px; }
.article-row-body h3 { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 8px; line-height: 1.4; }
.article-row-body p { color: var(--text-muted); font-size: 14px; line-height: 1.65; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-row-meta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--text-muted); }
.article-row-meta a { color: var(--accent-hover); font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }

.faq-section .accordion-item { border: 1px solid var(--border); border-radius: var(--radius-md) !important; margin-bottom: 14px; overflow: hidden; box-shadow: var(--shadow-sm); }
.faq-section .accordion-button { background: var(--white); color: var(--text); font-weight: 600; font-size: 16px; padding: 20px 24px; box-shadow: none; border: none; }
.faq-section .accordion-button:not(.collapsed) { color: var(--accent-hover); background: rgba(212, 166, 42, 0.05); }
.faq-section .accordion-button::after { background-image: none; font-family: "Font Awesome 6 Free"; font-weight: 900; content: "\f078"; color: #a07d12; font-size: 14px; transform: none; transition: var(--transition); }
.faq-section .accordion-button:not(.collapsed)::after { transform: rotate(180deg); color: var(--accent-hover); }
.faq-section .accordion-body { background: var(--white); padding: 4px 24px 22px; color: var(--text-muted); line-height: 1.8; border-top: 1px solid var(--border); }

.cta-section { padding: 70px 0; background: linear-gradient(135deg, rgba(7, 21, 40, 0.92), rgba(11, 31, 58, 0.8)), url('/assets/images/backpic/back-2.png') center/cover no-repeat; }
.cta-box { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 24px; padding: 48px 50px; backdrop-filter: blur(8px); }
.cta-box h2 { color: #fff; font-size: 32px; font-weight: 800; margin-bottom: 10px; }
.cta-box p { color: rgba(255, 255, 255, 0.75); font-size: 16px; margin-bottom: 0; }
.cta-box .btn { border-radius: 50px; padding: 14px 34px; font-weight: 700; font-size: 16px; }

.site-footer { background: #071528; color: rgba(255, 255, 255, 0.7); padding: 70px 0 0; border-top: 3px solid rgba(212, 166, 42, 0.3); }
.site-footer .footer-brand { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-desc { color: rgba(255, 255, 255, 0.55); font-size: 15px; line-height: 1.8; max-width: 320px; }
.footer-links h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 16px; position: relative; padding-bottom: 10px; }
.footer-links h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 28px; height: 2px; background: var(--accent); border-radius: 2px; }
.footer-links ul { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a, .footer-links span { color: rgba(255, 255, 255, 0.6); font-size: 15px; line-height: 1.7; transition: var(--transition); }
.footer-links a:hover { color: #f0c944; padding-left: 5px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 24px 0; margin-top: 40px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.footer-bottom p { margin: 0; font-size: 14px; color: rgba(255, 255, 255, 0.45); }
.footer-cert { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-cert span { font-size: 13px; color: rgba(255, 255, 255, 0.4); display: inline-flex; align-items: center; gap: 6px; }

@media (max-width: 991px) {
    .navbar-collapse { background: rgba(7, 21, 40, 0.98); border-radius: 16px; padding: 18px 18px 22px; margin-top: 14px; border: 1px solid rgba(255, 255, 255, 0.08); }
    .navbar-nav .nav-link { padding: 10px 14px !important; }
    .nav-cta { margin-left: 0; margin-top: 10px; justify-content: center; }
    .page-hero { padding: 90px 0 65px; }
    .page-hero h1 { font-size: 38px; }
    .step-item::after { display: none; }
    .cta-box { padding: 34px 28px; }
    .cta-box h2 { font-size: 26px; }
    .cta-box .btn { margin-top: 14px; }
    .stats-section { padding: 50px 0; }
}
@media (max-width: 767px) {
    .section { padding: 60px 0; }
    .section-head h2 { font-size: 28px; }
    .article-row { flex-direction: column; }
    .article-row-img { width: 100%; min-width: 0; height: 180px; }
    .page-hero h1 { font-size: 32px; }
    .hero-actions .btn { width: 100%; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .footer-cert { justify-content: center; }
    .stat-num { font-size: 34px; }
    .step-num { font-size: 42px; }
}
@media (max-width: 520px) {
    .container { padding-left: 18px; padding-right: 18px; }
    .brand-text { font-size: 18px; }
    .brand-text small { font-size: 9px; }
    .page-hero { padding: 70px 0 50px; }
    .page-hero h1 { font-size: 28px; }
    .page-hero .hero-lead { font-size: 16px; }
    .cta-box { padding: 26px 20px; }
    .cta-box h2 { font-size: 22px; }
    .guide-card-img { height: 170px; }
    .guide-card-body h3 { font-size: 18px; }
    .stat-item { padding: 24px 14px; }
    .stat-num { font-size: 28px; }
    .stat-num .suffix { font-size: 20px; }
}
:focus-visible { outline: 3px solid rgba(212, 166, 42, 0.5); outline-offset: 2px; }