/* roulang page: index */
:root {
  --primary: #0d1b2a;
  --primary-light: #1b3a5c;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --bg: #f5f7fa;
  --surface: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,.06);
  --shadow-md: 0 6px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 16px 48px rgba(15,23,42,.12);
  --transition: .25s cubic-bezier(.4,0,.2,1);
  --sidebar-w: 260px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg);
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: all var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--surface); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-tag {
  display: inline-block; padding: 6px 18px; border-radius: 50px;
  background: rgba(245,158,11,.12); color: var(--accent-dark);
  font-size: 13px; font-weight: 700; letter-spacing: 1px; margin-bottom: 16px;
}
.section-head h2 { font-size: 36px; font-weight: 800; color: var(--primary); line-height: 1.3; }
.section-head p { color: var(--muted); font-size: 16px; margin-top: 12px; }

/* 左侧竖向导航 */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0; width: var(--sidebar-w);
  background: var(--primary); color: #e2e8f0; z-index: 1000;
  display: flex; flex-direction: column; padding: 36px 24px 24px;
  border-right: 1px solid rgba(255,255,255,.06);
}
.sidebar-brand { padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar-brand a {
  font-size: 22px; font-weight: 800; color: #fff; letter-spacing: .5px;
  display: flex; align-items: center; gap: 10px;
}
.sidebar-brand a i { color: var(--accent); font-size: 26px; }
.sidebar-nav { margin-top: 32px; flex: 1; }
.sidebar-nav li { margin-bottom: 6px; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 12px; padding: 13px 16px;
  border-radius: var(--radius-md); color: #cbd5e1; font-weight: 500;
  transition: all var(--transition);
}
.sidebar-nav a i { width: 20px; text-align: center; font-size: 16px; }
.sidebar-nav a:hover { background: rgba(255,255,255,.08); color: #fff; transform: translateX(4px); }
.sidebar-nav li.active a { background: var(--accent); color: var(--primary); font-weight: 700; box-shadow: 0 4px 18px rgba(245,158,11,.35); }
.sidebar-contact {
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px;
  font-size: 13px; color: #94a3b8;
}
.sidebar-contact .line { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.sidebar-contact .line i { color: var(--accent); }

/* 移动端顶部导航 */
.mobile-header { display: none; background: var(--primary); padding: 14px 20px; position: fixed; top: 0; left: 0; right: 0; z-index: 1001; align-items: center; justify-content: space-between; }
.mobile-brand { color: #fff; font-size: 18px; font-weight: 800; }
.mobile-brand i { color: var(--accent); margin-right: 6px; }
.mobile-toggle { background: none; border: 1px solid rgba(255,255,255,.3); color: #fff; border-radius: 8px; padding: 8px 12px; cursor: pointer; font-size: 18px; line-height: 1; }
.mobile-toggle:hover { background: rgba(255,255,255,.12); }
.mobile-menu { display: none; position: fixed; top: 57px; left: 0; right: 0; background: var(--primary); padding: 16px 20px 24px; z-index: 1000; box-shadow: 0 10px 30px rgba(0,0,0,.3); }
.mobile-menu.is-open { display: block; }
.mobile-menu a { display: block; color: #cbd5e1; padding: 12px 8px; border-bottom: 1px solid rgba(255,255,255,.06); border-radius: 6px; }
.mobile-menu a:hover, .mobile-menu a.active { color: var(--accent); }

/* 主内容区 */
.main-wrapper { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; background: var(--bg); }
.main-content { flex: 1; }

/* Hero */
.hero {
  position: relative; min-height: 72vh; display: flex; align-items: center; justify-content: center;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  color: #fff; text-align: center; isolation: isolate;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(135deg, rgba(13,27,42,.82), rgba(13,27,42,.6) 55%, rgba(245,158,11,.25));
}
.hero-content { max-width: 780px; padding: 60px 24px; position: relative; z-index: 2; }
.hero-badge {
  display: inline-block; padding: 8px 24px; border-radius: 50px;
  background: rgba(245,158,11,.2); border: 1px solid rgba(245,158,11,.5);
  color: #fcd34d; font-size: 13px; font-weight: 700; letter-spacing: 2px; margin-bottom: 24px;
}
.hero-content h1 { font-size: 58px; font-weight: 900; line-height: 1.15; margin-bottom: 16px; text-shadow: 0 4px 20px rgba(0,0,0,.3); }
.hero-content .sub { font-size: 20px; color: #e2e8f0; margin-bottom: 24px; font-weight: 500; }
.hero-content p { font-size: 16px; color: rgba(226,232,240,.9); max-width: 620px; margin: 0 auto 36px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 32px;
  border-radius: 50px; font-weight: 700; font-size: 15px; cursor: pointer;
  border: 2px solid transparent; transition: all var(--transition); line-height: 1.4;
}
.btn-primary { background: var(--accent); color: var(--primary); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-3px); box-shadow: 0 10px 30px rgba(245,158,11,.35); }
.btn-outline { border-color: rgba(255,255,255,.6); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--primary); border-color: #fff; transform: translateY(-3px); }
.btn-dark { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-dark:hover { background: var(--primary-light); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.btn-sm { padding: 10px 22px; font-size: 14px; }

/* 统计 */
.stats-section { margin-top: -60px; position: relative; z-index: 5; padding-bottom: 60px; }
.stat-card {
  background: var(--surface); border-radius: var(--radius-lg); padding: 32px 20px;
  text-align: center; box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  transition: all var(--transition); height: 100%;
}
.stat-card:hover { transform: translateY(-6px); box-shadow: 0 20px 48px rgba(15,23,42,.15); }
.stat-number { font-size: 42px; font-weight: 900; color: var(--primary); line-height: 1.2; }
.stat-number span { font-size: 22px; color: var(--accent-dark); }
.stat-label { color: var(--muted); font-size: 14px; margin-top: 8px; font-weight: 500; }

/* 关于平台 */
.about-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); height: 100%; min-height: 320px; }
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.about-text { padding: 20px 0 20px 40px; }
.about-text h3 { font-size: 28px; color: var(--primary); margin-bottom: 16px; font-weight: 800; }
.about-text > p { color: var(--muted); margin-bottom: 24px; font-size: 16px; }
.feature-list li {
  display: flex; gap: 14px; align-items: flex-start; padding: 14px 0;
  border-bottom: 1px solid var(--border); border-radius: 0;
}
.feature-list li:last-child { border-bottom: none; }
.feature-list i { color: var(--accent); font-size: 20px; margin-top: 4px; flex-shrink: 0; }
.feature-list strong { display: block; font-size: 16px; color: var(--text); }
.feature-list span { font-size: 14px; color: var(--muted); }

/* 分类入口 */
.category-section { background: var(--surface); }
.category-card {
  border-radius: var(--radius-lg); overflow: hidden; background: var(--surface);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  transition: all var(--transition); height: 100%; display: flex; flex-direction: column;
}
.category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(245,158,11,.4); }
.category-card .card-img { overflow: hidden; aspect-ratio: 16/10; }
.category-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.category-card:hover .card-img img { transform: scale(1.06); }
.category-card .card-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.category-card h3 { font-size: 20px; font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.category-card p { color: var(--muted); font-size: 14px; flex: 1; margin-bottom: 20px; }
.card-link { color: var(--accent-dark); font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.card-link:hover { gap: 10px; }

/* 最新信息 */
.news-section { background: var(--bg); }
.news-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.news-item {
  background: var(--surface); border-radius: var(--radius-md); padding: 24px;
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  transition: all var(--transition); display: flex; flex-direction: column;
}
.news-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.news-item .meta { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.badge {
  display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 12px; font-weight: 700;
  background: rgba(245,158,11,.12); color: var(--accent-dark);
}
.news-item time { font-size: 13px; color: var(--muted); }
.news-item h3 { font-size: 17px; line-height: 1.5; margin-bottom: 10px; }
.news-item h3 a { color: var(--text); }
.news-item h3 a:hover { color: var(--accent-dark); }
.news-item .news-excerpt { color: var(--muted); font-size: 14px; line-height: 1.7; }
.news-empty { text-align: center; color: var(--muted); padding: 40px; font-size: 15px; background: var(--surface); border-radius: var(--radius-lg); }

/* 流程 */
.process-section { background: var(--surface); }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card {
  text-align: center; padding: 40px 20px; border-radius: var(--radius-lg);
  border: 1px solid var(--border); background: var(--bg); position: relative;
  transition: all var(--transition);
}
.step-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.step-num {
  width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 20px;
  background: var(--primary); color: var(--accent); display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 900; box-shadow: 0 8px 24px rgba(13,27,42,.25);
}
.step-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--primary); }
.step-card p { font-size: 14px; color: var(--muted); }

/* FAQ */
.faq-section { background: var(--bg); }
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 24px 28px; transition: all var(--transition);
}
.faq-item:hover { border-color: rgba(245,158,11,.4); box-shadow: var(--shadow-md); }
.faq-item details { display: block; }
.faq-item summary {
  font-size: 16px; font-weight: 700; color: var(--primary); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 24px; color: var(--accent-dark); font-weight: 400; transition: transform var(--transition); }
.faq-item details[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding-top: 14px; color: var(--muted); font-size: 15px; border-top: 1px solid var(--border); margin-top: 14px; }

/* CTA */
.cta-section {
  position: relative; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  padding: 100px 0; text-align: center; color: #fff; isolation: isolate;
}
.cta-section::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(13,27,42,.8); }
.cta-section h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 17px; color: #cbd5e1; max-width: 600px; margin: 0 auto 36px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* 页脚 */
.site-footer { background: var(--primary); color: #94a3b8; padding: 60px 0 20px; }
.footer-brand { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-brand i { color: var(--accent); margin-right: 8px; }
.footer-desc { font-size: 14px; margin-bottom: 20px; max-width: 320px; }
.footer-links { display: flex; gap: 12px; flex-wrap: wrap; }
.footer-links a { padding: 6px 14px; border-radius: 50px; border: 1px solid rgba(255,255,255,.15); font-size: 13px; }
.footer-links a:hover { background: rgba(255,255,255,.1); color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 24px; text-align: center; font-size: 13px; }

/* 面包屑 */
.breadcrumb { padding: 20px 0; font-size: 14px; color: var(--muted); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent-dark); }
.breadcrumb .sep { margin: 0 8px; }

/* 文章页 */
.article-wrap { max-width: 860px; margin: 0 auto; }
.article-header { text-align: center; padding: 40px 0 20px; }
.article-header h1 { font-size: 36px; font-weight: 800; color: var(--primary); line-height: 1.3; margin-bottom: 18px; }
.article-meta { display: flex; justify-content: center; gap: 24px; color: var(--muted); font-size: 14px; flex-wrap: wrap; }
.article-meta i { color: var(--accent-dark); margin-right: 4px; }
.article-content {
  background: var(--surface); border-radius: var(--radius-lg); padding: 48px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border); line-height: 1.9;
}
.article-content p { margin-bottom: 20px; }
.article-content h2, .article-content h3 { color: var(--primary); margin: 32px 0 16px; font-weight: 800; }
.article-content h2 { font-size: 26px; }
.article-content img { border-radius: var(--radius-md); margin: 24px 0; }
.article-content ul, .article-content ol { padding-left: 20px; margin-bottom: 20px; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 8px; }
.article-tags { margin-top: 32px; display: flex; gap: 10px; flex-wrap: wrap; }
.article-tags .badge { background: rgba(13,27,42,.06); color: var(--primary); }
.article-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 32px; flex-wrap: wrap; }
.article-nav a { padding: 12px 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 50px; font-size: 14px; font-weight: 600; color: var(--text); transition: all var(--transition); }
.article-nav a:hover { border-color: var(--accent); color: var(--accent-dark); box-shadow: var(--shadow-sm); }
.article-not-found { text-align: center; padding: 80px 24px; }
.article-not-found h2 { font-size: 32px; color: var(--primary); margin-bottom: 16px; }
.article-not-found p { color: var(--muted); margin-bottom: 24px; }

/* 分类页 */
.cat-banner {
  position: relative; padding: 84px 0; text-align: center; color: #fff;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat; isolation: isolate;
}
.cat-banner::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(13,27,42,.72); }
.cat-banner .tag { display: inline-block; padding: 6px 20px; border-radius: 50px; background: rgba(245,158,11,.2); border: 1px solid rgba(245,158,11,.4); color: #fcd34d; font-size: 13px; font-weight: 700; margin-bottom: 16px; }
.cat-banner h1 { font-size: 44px; font-weight: 900; margin-bottom: 12px; }
.cat-banner p { font-size: 16px; color: #cbd5e1; max-width: 620px; margin: 0 auto; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.info-card { background: var(--surface); border-radius: var(--radius-lg); padding: 32px 24px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); text-align: center; transition: all var(--transition); }
.info-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.info-card i { font-size: 36px; color: var(--accent); margin-bottom: 16px; }
.info-card h3 { font-size: 20px; font-weight: 800; color: var(--primary); margin-bottom: 12px; }
.info-card p { font-size: 14px; color: var(--muted); }
.timeline { max-width: 720px; margin: 0 auto; position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; padding: 24px 0 24px 28px; }
.timeline-item::before { content: ""; position: absolute; left: -26px; top: 32px; width: 14px; height: 14px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(245,158,11,.2); }
.timeline-item h3 { font-size: 18px; font-weight: 700; color: var(--primary); }
.timeline-item p { font-size: 14px; color: var(--muted); }
.article-card {
  background: var(--surface); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: all var(--transition); height: 100%;
}
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.article-card .card-img { overflow: hidden; aspect-ratio: 16/9; }
.article-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.article-card:hover .card-img img { transform: scale(1.05); }
.article-card .card-body { padding: 24px; }
.article-card .card-meta { display: flex; gap: 12px; margin-bottom: 10px; }
.article-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.article-card h3 a { color: var(--text); }
.article-card h3 a:hover { color: var(--accent-dark); }
.article-card p { font-size: 14px; color: var(--muted); }

/* 响应式 */
@media (max-width: 1023px) {
  .sidebar { transform: translateX(-100%); transition: transform var(--transition); box-shadow: 4px 0 30px rgba(0,0,0,.2); }
  .sidebar.open { transform: translateX(0); }
  .main-wrapper { margin-left: 0; }
  .mobile-header { display: flex; }
  .mobile-menu.is-open { display: block; }
  .hero { min-height: 60vh; }
  .hero-content h1 { font-size: 42px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .about-text { padding: 24px 0 0; }
  .news-list { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}
@media (max-width: 767px) {
  .hero-content h1 { font-size: 32px; }
  .hero-content .sub { font-size: 16px; }
  .section-head h2 { font-size: 28px; }
  .section-tag { font-size: 12px; }
  .stat-number { font-size: 32px; }
  .process-steps { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .cat-banner h1 { font-size: 32px; }
  .article-header h1 { font-size: 26px; }
  .article-content { padding: 28px 20px; }
  .cta-section { padding: 70px 0; }
  .cta-section h2 { font-size: 28px; }
  .footer-links { justify-content: center; }
  .footer-brand { text-align: center; }
  .footer-desc { margin-left: auto; margin-right: auto; text-align: center; }
}
@media (max-width: 520px) {
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .news-item { padding: 18px; }
  .faq-item { padding: 18px; }
  .btn { padding: 12px 24px; }
  .article-meta { gap: 12px; font-size: 13px; }
}

:root {
  --primary: #0d1b2a; --primary-light: #1b3a5c; --accent: #f59e0b; --accent-dark: #d97706;
  --bg: #f5f7fa; --surface: #ffffff; --text: #1e293b; --muted: #64748b; --border: #e2e8f0;
  --radius-lg: 18px; --radius-md: 12px; --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,.06); --shadow-md: 0 6px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 16px 48px rgba(15,23,42,.12); --transition: .25s cubic-bezier(.4,0,.2,1);
  --sidebar-w: 260px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif; font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); min-height: 100vh; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: all var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--surface); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-tag { display: inline-block; padding: 6px 18px; border-radius: 50px; background: rgba(245,158,11,.12); color: var(--accent-dark); font-size: 13px; font-weight: 700; letter-spacing: 1px; margin-bottom: 16px; }
.section-head h2 { font-size: 36px; font-weight: 800; color: var(--primary); line-height: 1.3; }
.section-head p { color: var(--muted); font-size: 16px; margin-top: 12px; }
.sidebar { position: fixed; top: 0; left: 0; bottom: 0; width: var(--sidebar-w); background: var(--primary); color: #e2e8f0; z-index: 1000; display: flex; flex-direction: column; padding: 36px 24px 24px; border-right: 1px solid rgba(255,255,255,.06); }
.sidebar-brand { padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar-brand a { font-size: 22px; font-weight: 800; color: #fff; letter-spacing: .5px; display: flex; align-items: center; gap: 10px; }
.sidebar-brand a i { color: var(--accent); font-size: 26px; }
.sidebar-nav { margin-top: 32px; flex: 1; }
.sidebar-nav li { margin-bottom: 6px; }
.sidebar-nav a { display: flex; align-items: center; gap: 12px; padding: 13px 16px; border-radius: var(--radius-md); color: #cbd5e1; font-weight: 500; transition: all var(--transition); }
.sidebar-nav a i { width: 20px; text-align: center; font-size: 16px; }
.sidebar-nav a:hover { background: rgba(255,255,255,.08); color: #fff; transform: translateX(4px); }
.sidebar-nav li.active a { background: var(--accent); color: var(--primary); font-weight: 700; box-shadow: 0 4px 18px rgba(245,158,11,.35); }
.sidebar-contact { border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px; font-size: 13px; color: #94a3b8; }
.sidebar-contact .line { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.sidebar-contact .line i { color: var(--accent); }
.mobile-header { display: none; background: var(--primary); padding: 14px 20px; position: fixed; top: 0; left: 0; right: 0; z-index: 1001; align-items: center; justify-content: space-between; }
.mobile-brand { color: #fff; font-size: 18px; font-weight: 800; }
.mobile-brand i { color: var(--accent); margin-right: 6px; }
.mobile-toggle { background: none; border: 1px solid rgba(255,255,255,.3); color: #fff; border-radius: 8px; padding: 8px 12px; cursor: pointer; font-size: 18px; line-height: 1; }
.mobile-toggle:hover { background: rgba(255,255,255,.12); }
.mobile-menu { display: none; position: fixed; top: 57px; left: 0; right: 0; background: var(--primary); padding: 16px 20px 24px; z-index: 1000; box-shadow: 0 10px 30px rgba(0,0,0,.3); }
.mobile-menu.is-open { display: block; }
.mobile-menu a { display: block; color: #cbd5e1; padding: 12px 8px; border-bottom: 1px solid rgba(255,255,255,.06); border-radius: 6px; }
.mobile-menu a:hover { color: var(--accent); }
.main-wrapper { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; background: var(--bg); }
.main-content { flex: 1; }
.breadcrumb { padding: 20px 0; font-size: 14px; color: var(--muted); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent-dark); }
.breadcrumb .sep { margin: 0 8px; }
.article-wrap { max-width: 860px; margin: 0 auto; }
.article-header { text-align: center; padding: 40px 0 20px; }
.article-header h1 { font-size: 36px; font-weight: 800; color: var(--primary); line-height: 1.3; margin-bottom: 18px; }
.article-meta { display: flex; justify-content: center; gap: 24px; color: var(--muted); font-size: 14px; flex-wrap: wrap; }
.article-meta i { color: var(--accent-dark); margin-right: 4px; }
.article-content { background: var(--surface); border-radius: var(--radius-lg); padding: 48px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); line-height: 1.9; }
.article-content p { margin-bottom: 20px; }
.article-content h2, .article-content h3 { color: var(--primary); margin: 32px 0 16px; font-weight: 800; }
.article-content h2 { font-size: 26px; }
.article-content img { border-radius: var(--radius-md); margin: 24px 0; }
.article-content ul, .article-content ol { padding-left: 20px; margin-bottom: 20px; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 8px; }
.article-tags { margin-top: 32px; display: flex; gap: 10px; flex-wrap: wrap; }
.article-tags .badge { background: rgba(13,27,42,.06); color: var(--primary); padding: 6px 16px; border-radius: 50px; font-size: 12px; font-weight: 700; }
.article-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 32px; flex-wrap: wrap; }
.article-nav a { padding: 12px 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 50px; font-size: 14px; font-weight: 600; color: var(--text); transition: all var(--transition); }
.article-nav a:hover { border-color: var(--accent); color: var(--accent-dark); box-shadow: var(--shadow-sm); }
.article-not-found { text-align: center; padding: 80px 24px; }
.article-not-found h2 { font-size: 32px; color: var(--primary); margin-bottom: 16px; }
.article-not-found p { color: var(--muted); margin-bottom: 24px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card { background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: all var(--transition); height: 100%; }
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.article-card .card-img { overflow: hidden; aspect-ratio: 16/9; }
.article-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.article-card:hover .card-img img { transform: scale(1.05); }
.article-card .card-body { padding: 24px; }
.article-card .card-meta { display: flex; gap: 12px; margin-bottom: 10px; }
.article-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.article-card h3 a { color: var(--text); }
.article-card h3 a:hover { color: var(--accent-dark); }
.article-card p { font-size: 14px; color: var(--muted); }
.cta-section { position: relative; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; padding: 100px 0; text-align: center; color: #fff; isolation: isolate; }
.cta-section::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(13,27,42,.8); }
.cta-section h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 17px; color: #cbd5e1; max-width: 600px; margin: 0 auto 36px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 32px; border-radius: 50px; font-weight: 700; font-size: 15px; cursor: pointer; border: 2px solid transparent; transition: all var(--transition); line-height: 1.4; }
.btn-primary { background: var(--accent); color: var(--primary); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-3px); box-shadow: 0 10px 30px rgba(245,158,11,.35); }
.btn-outline { border-color: rgba(255,255,255,.6); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--primary); border-color: #fff; transform: translateY(-3px); }
.site-footer { background: var(--primary); color: #94a3b8; padding: 60px 0 20px; }
.footer-brand { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-brand i { color: var(--accent); margin-right: 8px; }
.footer-desc { font-size: 14px; margin-bottom: 20px; max-width: 320px; }
.footer-links { display: flex; gap: 12px; flex-wrap: wrap; }
.footer-links a { padding: 6px 14px; border-radius: 50px; border: 1px solid rgba(255,255,255,.15); font-size: 13px; }
.footer-links a:hover { background: rgba(255,255,255,.1); color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 24px; text-align: center; font-size: 13px; }
@media (max-width: 1023px) {
  .sidebar { transform: translateX(-100%); transition: transform var(--transition); box-shadow: 4px 0 30px rgba(0,0,0,.2); }
  .sidebar.open { transform: translateX(0); }
  .main-wrapper { margin-left: 0; }
  .mobile-header { display: flex; }
  .mobile-menu.is-open { display: block; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 60px 0; }
  .article-header h1 { font-size: 30px; }
}
@media (max-width: 767px) {
  .breadcrumb { padding: 14px 0; font-size: 13px; }
  .article-header { padding: 28px 0 12px; }
  .article-header h1 { font-size: 26px; }
  .article-content { padding: 28px 20px; }
  .article-meta { gap: 12px; font-size: 13px; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 70px 0; }
  .cta-section h2 { font-size: 28px; }
  .footer-links { justify-content: center; }
  .footer-brand { text-align: center; }
  .footer-desc { margin-left: auto; margin-right: auto; text-align: center; }
}

:root {
  --primary: #0d1b2a; --primary-light: #1b3a5c; --accent: #f59e0b; --accent-dark: #d97706;
  --bg: #f5f7fa; --surface: #ffffff; --text: #1e293b; --muted: #64748b; --border: #e2e8f0;
  --radius-lg: 18px; --radius-md: 12px; --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,.06); --shadow-md: 0 6px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 16px 48px rgba(15,23,42,.12); --transition: .25s cubic-bezier(.4,0,.2,1);
  --sidebar-w: 260px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif; font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); min-height: 100vh; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: all var(--transition); }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--surface); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-tag { display: inline-block; padding: 6px 18px; border-radius: 50px; background: rgba(245,158,11,.12); color: var(--accent-dark); font-size: 13px; font-weight: 700; letter-spacing: 1px; margin-bottom: 16px; }
.section-head h2 { font-size: 36px; font-weight: 800; color: var(--primary); line-height: 1.3; }
.section-head p { color: var(--muted); font-size: 16px; margin-top: 12px; }
.sidebar { position: fixed; top: 0; left: 0; bottom: 0; width: var(--sidebar-w); background: var(--primary); color: #e2e8f0; z-index: 1000; display: flex; flex-direction: column; padding: 36px 24px 24px; border-right: 1px solid rgba(255,255,255,.06); }
.sidebar-brand { padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar-brand a { font-size: 22px; font-weight: 800; color: #fff; letter-spacing: .5px; display: flex; align-items: center; gap: 10px; }
.sidebar-brand a i { color: var(--accent); font-size: 26px; }
.sidebar-nav { margin-top: 32px; flex: 1; }
.sidebar-nav li { margin-bottom: 6px; }
.sidebar-nav a { display: flex; align-items: center; gap: 12px; padding: 13px 16px; border-radius: var(--radius-md); color: #cbd5e1; font-weight: 500; transition: all var(--transition); }
.sidebar-nav a i { width: 20px; text-align: center; font-size: 16px; }
.sidebar-nav a:hover { background: rgba(255,255,255,.08); color: #fff; transform: translateX(4px); }
.sidebar-nav li.active a { background: var(--accent); color: var(--primary); font-weight: 700; box-shadow: 0 4px 18px rgba(245,158,11,.35); }
.sidebar-contact { border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px; font-size: 13px; color: #94a3b8; }
.sidebar-contact .line { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.sidebar-contact .line i { color: var(--accent); }
.mobile-header { display: none; background: var(--primary); padding: 14px 20px; position: fixed; top: 0; left: 0; right: 0; z-index: 1001; align-items: center; justify-content: space-between; }
.mobile-brand { color: #fff; font-size: 18px; font-weight: 800; }
.mobile-brand i { color: var(--accent); margin-right: 6px; }
.mobile-toggle { background: none; border: 1px solid rgba(255,255,255,.3); color: #fff; border-radius: 8px; padding: 8px 12px; cursor: pointer; font-size: 18px; line-height: 1; }
.mobile-toggle:hover { background: rgba(255,255,255,.12); }
.mobile-menu { display: none; position: fixed; top: 57px; left: 0; right: 0; background: var(--primary); padding: 16px 20px 24px; z-index: 1000; box-shadow: 0 10px 30px rgba(0,0,0,.3); }
.mobile-menu.is-open { display: block; }
.mobile-menu a { display: block; color: #cbd5e1; padding: 12px 8px; border-bottom: 1px solid rgba(255,255,255,.06); border-radius: 6px; }
.mobile-menu a:hover { color: var(--accent); }
.main-wrapper { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; background: var(--bg); }
.main-content { flex: 1; }
.cat-banner { position: relative; padding: 84px 0; text-align: center; color: #fff; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; isolation: isolate; }
.cat-banner::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(13,27,42,.72); }
.cat-banner .tag { display: inline-block; padding: 6px 20px; border-radius: 50px; background: rgba(245,158,11,.2); border: 1px solid rgba(245,158,11,.4); color: #fcd34d; font-size: 13px; font-weight: 700; margin-bottom: 16px; }
.cat-banner h1 { font-size: 44px; font-weight: 900; margin-bottom: 12px; }
.cat-banner p { font-size: 16px; color: #cbd5e1; max-width: 620px; margin: 0 auto; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.info-card { background: var(--surface); border-radius: var(--radius-lg); padding: 32px 24px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); text-align: center; transition: all var(--transition); }
.info-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.info-card i { font-size: 36px; color: var(--accent); margin-bottom: 16px; }
.info-card h3 { font-size: 20px; font-weight: 800; color: var(--primary); margin-bottom: 12px; }
.info-card p { font-size: 14px; color: var(--muted); }
.timeline { max-width: 720px; margin: 0 auto; position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; padding: 24px 0 24px 28px; }
.timeline-item::before { content: ""; position: absolute; left: -26px; top: 32px; width: 14px; height: 14px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(245,158,11,.2); }
.timeline-item h3 { font-size: 18px; font-weight: 700; color: var(--primary); }
.timeline-item p { font-size: 14px; color: var(--muted); }
.about-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); height: 100%; min-height: 300px; }
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.about-text { padding: 20px 20px 20px 40px; }
.about-text h3 { font-size: 28px; color: var(--primary); margin-bottom: 16px; font-weight: 800; }
.about-text p { color: var(--muted); margin-bottom: 20px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 32px; border-radius: 50px; font-weight: 700; font-size: 15px; cursor: pointer; border: 2px solid transparent; transition: all var(--transition); line-height: 1.4; }
.btn-primary { background: var(--accent); color: var(--primary); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-3px); box-shadow: 0 10px 30px rgba(245,158,11,.35); }
.btn-outline { border-color: rgba(255,255,255,.6); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--primary); border-color: #fff; transform: translateY(-3px); }
.btn-dark { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-dark:hover { background: var(--primary-light); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px 28px; transition: all var(--transition); }
.faq-item:hover { border-color: rgba(245,158,11,.4); box-shadow: var(--shadow-md); }
.faq-item summary { font-size: 16px; font-weight: 700; color: var(--primary); cursor: pointer; display: flex; justify-content: space-between; align-items: center; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 24px; color: var(--accent-dark); font-weight: 400; transition: transform var(--transition); }
.faq-item details[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding-top: 14px; color: var(--muted); font-size: 15px; border-top: 1px solid var(--border); margin-top: 14px; }
.cta-section { position: relative; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; padding: 100px 0; text-align: center; color: #fff; isolation: isolate; }
.cta-section::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(13,27,42,.8); }
.cta-section h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 17px; color: #cbd5e1; max-width: 600px; margin: 0 auto 36px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.site-footer { background: var(--primary); color: #94a3b8; padding: 60px 0 20px; }
.footer-brand { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-brand i { color: var(--accent); margin-right: 8px; }
.footer-desc { font-size: 14px; margin-bottom: 20px; max-width: 320px; }
.footer-links { display: flex; gap: 12px; flex-wrap: wrap; }
.footer-links a { padding: 6px 14px; border-radius: 50px; border: 1px solid rgba(255,255,255,.15); font-size: 13px; }
.footer-links a:hover { background: rgba(255,255,255,.1); color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 24px; text-align: center; font-size: 13px; }
@media (max-width: 1023px) {
  .sidebar { transform: translateX(-100%); transition: transform var(--transition); box-shadow: 4px 0 30px rgba(0,0,0,.2); }
  .sidebar.open { transform: translateX(0); }
  .main-wrapper { margin-left: 0; }
  .mobile-header { display: flex; }
  .mobile-menu.is-open { display: block; }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .about-text { padding: 24px 0 0; }
  .section { padding: 60px 0; }
}
@media (max-width: 767px) {
  .cat-banner h1 { font-size: 32px; }
  .info-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 70px 0; }
  .cta-section h2 { font-size: 28px; }
  .footer-links { justify-content: center; }
  .footer-brand { text-align: center; }
  .footer-desc { margin-left: auto; margin-right: auto; text-align: center; }
}

:root {
  --primary: #0d1b2a; --primary-light: #1b3a5c; --accent: #f59e0b; --accent-dark: #d97706;
  --bg: #f5f7fa; --surface: #ffffff; --text: #1e293b; --muted: #64748b; --border: #e2e8f0;
  --radius-lg: 18px; --radius-md: 12px; --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,.06); --shadow-md: 0 6px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 16px 48px rgba(15,23,42,.12); --transition: .25s cubic-bezier(.4,0,.2,1);
  --sidebar-w: 260px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif; font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); min-height: 100vh; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: all var(--transition); }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--surface); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-tag { display: inline-block; padding: 6px 18px; border-radius: 50px; background: rgba(245,158,11,.12); color: var(--accent-dark); font-size: 13px; font-weight: 700; letter-spacing: 1px; margin-bottom: 16px; }
.section-head h2 { font-size: 36px; font-weight: 800; color: var(--primary); line-height: 1.3; }
.section-head p { color: var(--muted); font-size: 16px; margin-top: 12px; }
.sidebar { position: fixed; top: 0; left: 0; bottom: 0; width: var(--sidebar-w); background: var(--primary); color: #e2e8f0; z-index: 1000; display: flex; flex-direction: column; padding: 36px 24px 24px; border-right: 1px solid rgba(255,255,255,.06); }
.sidebar-brand { padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar-brand a { font-size: 22px; font-weight: 800; color: #fff; letter-spacing: .5px; display: flex; align-items: center; gap: 10px; }
.sidebar-brand a i { color: var(--accent); font-size: 26px; }
.sidebar-nav { margin-top: 32px; flex: 1; }
.sidebar-nav li { margin-bottom: 6px; }
.sidebar-nav a { display: flex; align-items: center; gap: 12px; padding: 13px 16px; border-radius: var(--radius-md); color: #cbd5e1; font-weight: 500; transition: all var(--transition); }
.sidebar-nav a i { width: 20px; text-align: center; font-size: 16px; }
.sidebar-nav a:hover { background: rgba(255,255,255,.08); color: #fff; transform: translateX(4px); }
.sidebar-nav li.active a { background: var(--accent); color: var(--primary); font-weight: 700; box-shadow: 0 4px 18px rgba(245,158,11,.35); }
.sidebar-contact { border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px; font-size: 13px; color: #94a3b8; }
.sidebar-contact .line { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.sidebar-contact .line i { color: var(--accent); }
.mobile-header { display: none; background: var(--primary); padding: 14px 20px; position: fixed; top: 0; left: 0; right: 0; z-index: 1001; align-items: center; justify-content: space-between; }
.mobile-brand { color: #fff; font-size: 18px; font-weight: 800; }
.mobile-brand i { color: var(--accent); margin-right: 6px; }
.mobile-toggle { background: none; border: 1px solid rgba(255,255,255,.3); color: #fff; border-radius: 8px; padding: 8px 12px; cursor: pointer; font-size: 18px; line-height: 1; }
.mobile-toggle:hover { background: rgba(255,255,255,.12); }
.mobile-menu { display: none; position: fixed; top: 57px; left: 0; right: 0; background: var(--primary); padding: 16px 20px 24px; z-index: 1000; box-shadow: 0 10px 30px rgba(0,0,0,.3); }
.mobile-menu.is-open { display: block; }
.mobile-menu a { display: block; color: #cbd5e1; padding: 12px 8px; border-bottom: 1px solid rgba(255,255,255,.06); border-radius: 6px; }
.mobile-menu a:hover { color: var(--accent); }
.main-wrapper { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; background: var(--bg); }
.main-content { flex: 1; }
.cat-banner { position: relative; padding: 84px 0; text-align: center; color: #fff; background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat; isolation: isolate; }
.cat-banner::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(13,27,42,.72); }
.cat-banner .tag { display: inline-block; padding: 6px 20px; border-radius: 50px; background: rgba(245,158,11,.2); border: 1px solid rgba(245,158,11,.4); color: #fcd34d; font-size: 13px; font-weight: 700; margin-bottom: 16px; }
.cat-banner h1 { font-size: 44px; font-weight: 900; margin-bottom: 12px; }
.cat-banner p { font-size: 16px; color: #cbd5e1; max-width: 620px; margin: 0 auto; }
.steps-wrapper { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card { background: var(--surface); border-radius: var(--radius-lg); padding: 40px 24px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); text-align: center; position: relative; transition: all var(--transition); }
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.step-num { width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 18px; background: var(--primary); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 900; }
.step-card h3 { font-size: 18px; font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.step-card p { font-size: 14px; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.feature-card { background: var(--bg); border-radius: var(--radius-lg); padding: 32px; border: 1px solid var(--border); transition: all var(--transition); display: flex; gap: 18px; }
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: rgba(245,158,11,.3); }
.feature-card i { font-size: 28px; color: var(--accent); flex-shrink: 0; }
.feature-card h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--muted); }
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px 28px; transition: all var(--transition); }
.faq-item:hover { border-color: rgba(245,158,11,.4); box-shadow: var(--shadow-md); }
.faq-item summary { font-size: 16px; font-weight: 700; color: var(--primary); cursor: pointer; display: flex; justify-content: space-between; align-items: center; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 24px; color: var(--accent-dark); font-weight: 400; transition: transform var(--transition); }
.faq-item details[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding-top: 14px; color: var(--muted); font-size: 15px; border-top: 1px solid var(--border); margin-top: 14px; }
.cta-section { position: relative; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; padding: 100px 0; text-align: center; color: #fff; isolation: isolate; }
.cta-section::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(13,27,42,.8); }
.cta-section h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 17px; color: #cbd5e1; max-width: 600px; margin: 0 auto 36px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 32px; border-radius: 50px; font-weight: 700; font-size: 15px; cursor: pointer; border: 2px solid transparent; transition: all var(--transition); line-height: 1.4; }
.btn-primary { background: var(--accent); color: var(--primary); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-3px); box-shadow: 0 10px 30px rgba(245,158,11,.35); }
.btn-outline { border-color: rgba(255,255,255,.6); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--primary); border-color: #fff; transform: translateY(-3px); }
.site-footer { background: var(--primary); color: #94a3b8; padding: 60px 0 20px; }
.footer-brand { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-brand i { color: var(--accent); margin-right: 8px; }
.footer-desc { font-size: 14px; margin-bottom: 20px; max-width: 320px; }
.footer-links { display: flex; gap: 12px; flex-wrap: wrap; }
.footer-links a { padding: 6px 14px; border-radius: 50px; border: 1px solid rgba(255,255,255,.15); font-size: 13px; }
.footer-links a:hover { background: rgba(255,255,255,.1); color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 24px; text-align: center; font-size: 13px; }
@media (max-width: 1023px) {
  .sidebar { transform: translateX(-100%); transition: transform var(--transition); box-shadow: 4px 0 30px rgba(0,0,0,.2); }
  .sidebar.open { transform: translateX(0); }
  .main-wrapper { margin-left: 0; }
  .mobile-header { display: flex; }
  .mobile-menu.is-open { display: block; }
  .steps-wrapper { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}
@media (max-width: 767px) {
  .cat-banner h1 { font-size: 32px; }
  .steps-wrapper { grid-template-columns: 1fr; }
  .cta-section { padding: 70px 0; }
  .cta-section h2 { font-size: 28px; }
  .footer-links { justify-content: center; }
  .footer-brand { text-align: center; }
  .footer-desc { margin-left: auto; margin-right: auto; text-align: center; }
}

:root {
  --primary: #0d1b2a; --primary-light: #1b3a5c; --accent: #f59e0b; --accent-dark: #d97706;
  --bg: #f5f7fa; --surface: #ffffff; --text: #1e293b; --muted: #64748b; --border: #e2e8f0;
  --radius-lg: 18px; --radius-md: 12px; --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,.06); --shadow-md: 0 6px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 16px 48px rgba(15,23,42,.12); --transition: .25s cubic-bezier(.4,0,.2,1);
  --sidebar-w: 260px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif; font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); min-height: 100vh; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: all var(--transition); }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--surface); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-tag { display: inline-block; padding: 6px 18px; border-radius: 50px; background: rgba(245,158,11,.12); color: var(--accent-dark); font-size: 13px; font-weight: 700; letter-spacing: 1px; margin-bottom: 16px; }
.section-head h2 { font-size: 36px; font-weight: 800; color: var(--primary); line-height: 1.3; }
.section-head p { color: var(--muted); font-size: 16px; margin-top: 12px; }
.sidebar { position: fixed; top: 0; left: 0; bottom: 0; width: var(--sidebar-w); background: var(--primary); color: #e2e8f0; z-index: 1000; display: flex; flex-direction: column; padding: 36px 24px 24px; border-right: 1px solid rgba(255,255,255,.06); }
.sidebar-brand { padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar-brand a { font-size: 22px; font-weight: 800; color: #fff; letter-spacing: .5px; display: flex; align-items: center; gap: 10px; }
.sidebar-brand a i { color: var(--accent); font-size: 26px; }
.sidebar-nav { margin-top: 32px; flex: 1; }
.sidebar-nav li { margin-bottom: 6px; }
.sidebar-nav a { display: flex; align-items: center; gap: 12px; padding: 13px 16px; border-radius: var(--radius-md); color: #cbd5e1; font-weight: 500; transition: all var(--transition); }
.sidebar-nav a i { width: 20px; text-align: center; font-size: 16px; }
.sidebar-nav a:hover { background: rgba(255,255,255,.08); color: #fff; transform: translateX(4px); }
.sidebar-nav li.active a { background: var(--accent); color: var(--primary); font-weight: 700; box-shadow: 0 4px 18px rgba(245,158,11,.35); }
.sidebar-contact { border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px; font-size: 13px; color: #94a3b8; }
.sidebar-contact .line { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.sidebar-contact .line i { color: var(--accent); }
.mobile-header { display: none; background: var(--primary); padding: 14px 20px; position: fixed; top: 0; left: 0; right: 0; z-index: 1001; align-items: center; justify-content: space-between; }
.mobile-brand { color: #fff; font-size: 18px; font-weight: 800; }
.mobile-brand i { color: var(--accent); margin-right: 6px; }
.mobile-toggle { background: none; border: 1px solid rgba(255,255,255,.3); color: #fff; border-radius: 8px; padding: 8px 12px; cursor: pointer; font-size: 18px; line-height: 1; }
.mobile-toggle:hover { background: rgba(255,255,255,.12); }
.mobile-menu { display: none; position: fixed; top: 57px; left: 0; right: 0; background: var(--primary); padding: 16px 20px 24px; z-index: 1000; box-shadow: 0 10px 30px rgba(0,0,0,.3); }
.mobile-menu.is-open { display: block; }
.mobile-menu a { display: block; color: #cbd5e1; padding: 12px 8px; border-bottom: 1px solid rgba(255,255,255,.06); border-radius: 6px; }
.mobile-menu a:hover { color: var(--accent); }
.main-wrapper { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; background: var(--bg); }
.main-content { flex: 1; }
.cat-banner { position: relative; padding: 84px 0; text-align: center; color: #fff; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; isolation: isolate; }
.cat-banner::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(13,27,42,.72); }
.cat-banner .tag { display: inline-block; padding: 6px 20px; border-radius: 50px; background: rgba(245,158,11,.2); border: 1px solid rgba(245,158,11,.4); color: #fcd34d; font-size: 13px; font-weight: 700; margin-bottom: 16px; }
.cat-banner h1 { font-size: 44px; font-weight: 900; margin-bottom: 12px; }
.cat-banner p { font-size: 16px; color: #cbd5e1; max-width: 620px; margin: 0 auto; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card { background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: all var(--transition); height: 100%; }
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.article-card .card-img { overflow: hidden; aspect-ratio: 16/9; }
.article-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.article-card:hover .card-img img { transform: scale(1.05); }
.article-card .card-body { padding: 24px; }
.article-card .card-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.article-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.article-card h3 a { color: var(--text); }
.article-card h3 a:hover { color: var(--accent-dark); }
.article-card p { font-size: 14px; color: var(--muted); }
.badge { display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 12px; font-weight: 700; background: rgba(245,158,11,.12); color: var(--accent-dark); }
.news-item time { font-size: 13px; color: var(--muted); }
.news-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.news-item { background: var(--surface); border-radius: var(--radius-md); padding: 24px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: all var(--transition); display: flex; flex-direction: column; }
.news-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.news-item .meta { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.news-item h3 { font-size: 17px; line-height: 1.5; margin-bottom: 10px; }
.news-item h3 a { color: var(--text); }
.news-item h3 a:hover { color: var(--accent-dark); }
.news-item .news-excerpt { color: var(--muted); font-size: 14px; line-height: 1.7; }
.news-empty { text-align: center; color: var(--muted); padding: 40px; font-size: 15px; background: var(--surface); border-radius: var(--radius-lg); }
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px 28px; transition: all var(--transition); }
.faq-item:hover { border-color: rgba(245,158,11,.4); box-shadow: var(--shadow-md); }
.faq-item summary { font-size: 16px; font-weight: 700; color: var(--primary); cursor: pointer; display: flex; justify-content: space-between; align-items: center; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 24px; color: var(--accent-dark); font-weight: 400; transition: transform var(--transition); }
.faq-item details[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding-top: 14px; color: var(--muted); font-size: 15px; border-top: 1px solid var(--border); margin-top: 14px; }
.cta-section { position: relative; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; padding: 100px 0; text-align: center; color: #fff; isolation: isolate; }
.cta-section::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(13,27,42,.8); }
.cta-section h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 17px; color: #cbd5e1; max-width: 600px; margin: 0 auto 36px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 32px; border-radius: 50px; font-weight: 700; font-size: 15px; cursor: pointer; border: 2px solid transparent; transition: all var(--transition); line-height: 1.4; }
.btn-primary { background: var(--accent); color: var(--primary); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-3px); box-shadow: 0 10px 30px rgba(245,158,11,.35); }
.btn-outline { border-color: rgba(255,255,255,.6); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--primary); border-color: #fff; transform: translateY(-3px); }
.site-footer { background: var(--primary); color: #94a3b8; padding: 60px 0 20px; }
.footer-brand { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-brand i { color: var(--accent); margin-right: 8px; }
.footer-desc { font-size: 14px; margin-bottom: 20px; max-width: 320px; }
.footer-links { display: flex; gap: 12px; flex-wrap: wrap; }
.footer-links a { padding: 6px 14px; border-radius: 50px; border: 1px solid rgba(255,255,255,.15); font-size: 13px; }
.footer-links a:hover { background: rgba(255,255,255,.1); color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 24px; text-align: center; font-size: 13px; }
@media (max-width: 1023px) {
  .sidebar { transform: translateX(-100%); transition: transform var(--transition); box-shadow: 4px 0 30px rgba(0,0,0,.2); }
  .sidebar.open { transform: translateX(0); }
  .main-wrapper { margin-left: 0; }
  .mobile-header { display: flex; }
  .mobile-menu.is-open { display: block; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .news-list { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}
@media (max-width: 767px) {
  .cat-banner h1 { font-size: 32px; }
  .news-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 70px 0; }
  .cta-section h2 { font-size: 28px; }
  .footer-links { justify-content: center; }
  .footer-brand { text-align: center; }
  .footer-desc { margin-left: auto; margin-right: auto; text-align: center; }
}

/* roulang page: category1 */
:root {
  --primary: #16233c;
  --primary-light: #1f3150;
  --accent: #e8a33d;
  --accent-hover: #d4912a;
  --bg-body: #f4f6fb;
  --bg-white: #ffffff;
  --bg-dark: #0e1a2e;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius-xl: 20px;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
  --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, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

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

.sidebar-layout { display: flex; min-height: 100vh; }

/* ========== 左侧导航 ========== */
.sidebar-nav {
  width: 260px;
  background: linear-gradient(180deg, var(--primary) 0%, var(--bg-dark) 100%);
  padding: 32px 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 999;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  box-shadow: 4px 0 20px rgba(10, 20, 40, 0.25);
}

.nav-brand {
  padding: 0 28px 28px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-brand i {
  font-size: 28px;
  color: var(--accent);
  background: rgba(232, 163, 61, 0.15);
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-brand span {
  color: #ffffff;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.5px;
  line-height: 1.3;
}

.sidebar-nav ul {
  padding: 20px 16px;
  flex: 1;
}

.sidebar-nav ul li { margin-bottom: 4px; }

.sidebar-nav ul li a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: 12px;
  color: #94a3b8;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid transparent;
}

.sidebar-nav ul li a i {
  width: 20px;
  text-align: center;
  font-size: 16px;
}

.sidebar-nav ul li a:hover {
  color: #ffffff;
  background: rgba(255,255,255,0.06);
  transform: translateX(4px);
}

.sidebar-nav ul li.active a {
  color: var(--primary);
  background: linear-gradient(135deg, #ffffff 0%, #f0f4fa 100%);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  border-color: rgba(255,255,255,0.3);
}

.sidebar-nav ul li.active a i { color: var(--accent); }

.nav-cta {
  margin: 0 20px 24px;
  padding: 20px;
  background: rgba(232, 163, 61, 0.1);
  border: 1px solid rgba(232, 163, 61, 0.25);
  border-radius: var(--radius-lg);
  text-align: center;
}

.nav-cta p {
  color: #cbd5e1;
  font-size: 13px;
  margin-bottom: 12px;
  line-height: 1.5;
}

.nav-cta .btn-accent {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--primary);
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  transition: var(--transition);
}

.nav-cta .btn-accent:hover {
  background: var(--accent-hover);
  transform: scale(1.05);
}

.main-content {
  flex: 1;
  margin-left: 260px;
  min-width: 0;
}

/* ========== 移动端导航 ========== */
.mobile-topbar {
  display: none;
}

/* ========== 页面横幅 ========== */
.page-banner {
  position: relative;
  padding: 110px 0 80px;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 20, 40, 0.88) 0%, rgba(10, 20, 40, 0.65) 50%, rgba(10, 20, 40, 0.35) 100%);
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.banner-content .tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232, 163, 61, 0.15);
  border: 1px solid rgba(232, 163, 61, 0.4);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.banner-content h1 {
  font-size: 44px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.banner-content p {
  font-size: 17px;
  color: #cbd5e1;
  line-height: 1.8;
  margin-bottom: 30px;
  max-width: 520px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-accent {
  background: var(--accent);
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(232, 163, 61, 0.3);
}

.btn-accent:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(232, 163, 61, 0.4);
}

.btn-outline-light {
  background: rgba(255,255,255,0.1);
  color: #ffffff;
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(4px);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-3px);
}

/* ========== 板块通用 ========== */
.section {
  padding: 90px 0;
}

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

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-header .tag {
  display: inline-block;
  background: rgba(232, 163, 61, 0.12);
  color: var(--accent);
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-header h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-dark .section-header h2 { color: #ffffff; }

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

.section-dark .section-header p { color: #94a3b8; }

/* ========== 平台概览 ========== */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.overview-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.overview-media img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.overview-media:hover img { transform: scale(1.04); }

.overview-media .media-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(22, 35, 60, 0.9);
  backdrop-filter: blur(8px);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.overview-media .media-badge i {
  color: var(--accent);
  font-size: 20px;
}

.overview-content h3 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 20px;
  line-height: 1.4;
}

.overview-content p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 16px;
}

.overview-points {
  margin-top: 24px;
}

.overview-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--text-main);
  font-size: 15px;
}

.overview-points li i {
  color: var(--accent);
  background: rgba(232, 163, 61, 0.1);
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ========== 功能卡片 ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-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);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(232, 163, 61, 0.4);
}

.feature-thumb {
  height: 180px;
  overflow: hidden;
}

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

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

.feature-body {
  padding: 26px 28px;
}

.feature-body .icon {
  width: 46px; height: 46px;
  background: rgba(232, 163, 61, 0.12);
  color: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
  border: 1px solid rgba(232, 163, 61, 0.15);
}

.feature-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.feature-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
}

/* ========== 数据板块 ========== */
.stats-section {
  padding: 90px 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  position: relative;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(14, 26, 46, 0.92);
}

.stats-wrap { position: relative; z-index: 2; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.stat-item {
  text-align: center;
  padding: 34px 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-6px);
  border-color: rgba(232, 163, 61, 0.4);
}

.stat-item .num {
  font-size: 40px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-item .label {
  font-size: 14px;
  color: #94a3b8;
}

/* ========== 平台特色 ========== */
.features-list-section { padding: 90px 0; }

.features-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-list-item {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.feature-list-item .step-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.feature-list-item h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
}

.feature-list-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
}

/* ========== FAQ ========== */
.faq-section { padding: 90px 0; }

.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

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

.faq-item:hover { border-color: rgba(232, 163, 61, 0.4); }

.faq-item summary {
  padding: 22px 26px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  transition: var(--transition);
}

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

.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--accent);
  transition: var(--transition);
}

.faq-item[open] summary {
  background: rgba(232, 163, 61, 0.05);
  color: var(--primary);
}

.faq-item[open] summary::after { transform: rotate(180deg); }

.faq-item .faq-answer {
  padding: 0 26px 22px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ========== CTA ========== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary) 0%, #1f3a5f 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 300px; height: 100%;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: 0.15;
  clip-path: polygon(40% 0, 100% 0, 100% 100%, 0 100%);
}

.cta-wrap {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-wrap h2 {
  color: #ffffff;
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-wrap p {
  color: #cbd5e1;
  font-size: 17px;
  margin-bottom: 30px;
  line-height: 1.7;
}

.cta-wrap .btn-accent { font-size: 16px; padding: 16px 36px; }

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-dark);
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.site-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
}

.site-footer .footer-brand i { color: var(--accent); font-size: 24px; }

.footer-desc {
  color: #94a3b8;
  font-size: 14px;
  line-height: 1.8;
  max-width: 420px;
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: flex-end;
}

.footer-links a {
  color: #94a3b8;
  font-size: 14px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  color: #64748b;
  font-size: 13px;
  text-align: center;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .sidebar-layout { flex-direction: column; }
  .sidebar-nav {
    position: relative;
    width: 100%;
    flex-direction: row;
    align-items: center;
    padding: 0 24px;
    min-height: 0;
    overflow: visible;
  }
  .nav-brand {
    padding: 16px 0;
    border-bottom: none;
    flex-shrink: 0;
  }
  .nav-brand i { width: 36px; height: 36px; font-size: 20px; }
  .nav-brand span { font-size: 16px; }
  .sidebar-nav ul {
    display: flex;
    padding: 0;
    margin-left: auto;
    gap: 6px;
    overflow-x: auto;
  }
  .sidebar-nav ul li { margin-bottom: 0; flex-shrink: 0; }
  .sidebar-nav ul li a {
    padding: 10px 14px;
    font-size: 14px;
    gap: 8px;
  }
  .sidebar-nav ul li a:hover { transform: none; }
  .nav-cta { display: none; }
  .main-content { margin-left: 0; }
  .page-banner { padding: 80px 0 60px; }
  .banner-content h1 { font-size: 34px; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .sidebar-nav { flex-wrap: wrap; padding: 0 16px; }
  .nav-brand { padding: 12px 0; }
  .sidebar-nav ul {
    width: 100%;
    padding: 10px 0 12px;
    margin-left: 0;
  }
  .sidebar-nav ul li a {
    padding: 9px 12px;
    font-size: 13px;
  }
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }
  .section-header h2 { font-size: 28px; }
  .overview-grid { grid-template-columns: 1fr; gap: 40px; }
  .features-grid { grid-template-columns: 1fr; gap: 20px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .features-row { grid-template-columns: 1fr; gap: 20px; }
  .page-banner { padding: 60px 0 50px; }
  .banner-content h1 { font-size: 28px; }
  .banner-content p { font-size: 15px; }
  .footer-links { justify-content: center; }
  .faq-item summary { font-size: 15px; padding: 18px 20px; }
  .faq-item .faq-answer { padding: 0 20px 18px; font-size: 14px; }
  .cta-wrap h2 { font-size: 26px; }
}

@media (max-width: 520px) {
  .stats-grid { grid-template-columns: 1fr; }
  .sidebar-nav ul {
    gap: 4px;
  }
  .sidebar-nav ul li a {
    padding: 8px 10px;
    font-size: 12px;
    border-radius: 8px;
  }
  .sidebar-nav ul li a i { font-size: 14px; width: 18px; }
  .nav-brand span { font-size: 14px; }
  .overview-media img { height: 260px; }
  .feature-thumb { height: 150px; }
  .btn { padding: 12px 22px; font-size: 14px; }
  .banner-actions { flex-direction: column; }
  .banner-actions .btn { justify-content: center; }
}

/* ========== 可访问性 ========== */
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(232, 163, 61, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}

/* roulang page: article */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --success: #10b981;
    --bg: #f8fafc;
    --bg-dark: #0f172a;
    --card: #ffffff;
    --text: #1e293b;
    --text-weak: #64748b;
    --border: #e2e8f0;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 6px 20px rgba(0,0,0,0.07);
    --shadow-lg: 0 16px 40px rgba(0,0,0,0.10);
    --transition: 0.3s ease;
    --sidebar-width: 285px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; }
a { text-decoration: none; color: var(--primary); transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1360px; margin: 0 auto; padding: 0 24px; }

/* ==== Header Sidebar ==== */
.site-header {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    padding: 32px 24px 24px;
    overflow-y: auto;
}
.brand-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.brand-logo i { font-size: 28px; color: var(--accent); background: rgba(245,158,11,0.15); width: 46px; height: 46px; display: flex; align-items: center; justify-content: center; border-radius: 12px; }
.brand-logo span { font-size: 19px; font-weight: 800; color: #fff; letter-spacing: 0.5px; }
.brand-logo small { display: block; font-size: 11px; color: rgba(255,255,255,0.5); font-weight: 400; margin-top: 2px; }
.sidebar-nav ul { display: flex; flex-direction: column; gap: 4px; }
.sidebar-nav li a { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: var(--radius-md); color: rgba(255,255,255,0.72); font-size: 15px; font-weight: 500; transition: all var(--transition); }
.sidebar-nav li a i { width: 20px; text-align: center; font-size: 16px; opacity: 0.85; }
.sidebar-nav li a:hover { background: rgba(255,255,255,0.06); color: #fff; transform: translateX(4px); }
.sidebar-nav li.active a { background: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(37,99,235,0.35); }
.sidebar-nav li.active a i { opacity: 1; }
.header-bottom { margin-top: auto; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); }
.header-bottom .btn { width: 100%; display: flex; align-items: center; justify-content: center; gap: 8px; background: var(--accent); color: #0f172a; font-weight: 700; border: none; border-radius: var(--radius-md); padding: 13px 18px; font-size: 14px; cursor: pointer; transition: all var(--transition); }
.header-bottom .btn:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245,158,11,0.3); }
.nav-toggle { display: none; }

/* ==== Main Layout ==== */
.site-main { margin-left: var(--sidebar-width); min-height: calc(100vh - 320px); }

/* ==== Article Banner ==== */
.article-banner {
    position: relative;
    padding: 90px 0 70px;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    text-align: center;
}
.article-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(37,99,235,0.78) 100%); }
.banner-content { position: relative; z-index: 2; max-width: 820px; margin: 0 auto; }
.breadcrumb { display: flex; justify-content: center; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,0.8); margin-bottom: 20px; }
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 12px; opacity: 0.6; }
.banner-content h1 { font-size: 38px; font-weight: 800; color: #fff; line-height: 1.35; margin-bottom: 18px; text-shadow: 0 2px 16px rgba(0,0,0,0.3); }
.banner-meta { display: flex; justify-content: center; align-items: center; gap: 12px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: #0f172a; font-size: 13px; font-weight: 700; padding: 5px 16px; border-radius: 999px; }
.meta-date { display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,0.85); font-size: 14px; }
.meta-date i { font-size: 13px; }

/* ==== Article Section ==== */
.article-section { padding: 60px 0; }
.article-layout { display: grid; grid-template-columns: 1fr 340px; gap: 36px; align-items: start; }
.article-primary { min-width: 0; }
.article-card { background: var(--card); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); overflow: hidden; border: 1px solid var(--border); }
.article-hero-img { width: 100%; height: 380px; object-fit: cover; }
.article-body { padding: 36px 40px; }
.article-body h1, .article-body h2 { font-size: 26px; font-weight: 700; margin: 32px 0 16px; color: var(--text); line-height: 1.4; }
.article-body h1:first-child, .article-body h2:first-child { margin-top: 0; }
.article-body h3 { font-size: 20px; font-weight: 600; margin: 24px 0 12px; }
.article-body h4 { font-size: 17px; font-weight: 600; margin: 20px 0 10px; }
.article-body p { font-size: 16.5px; line-height: 1.85; margin-bottom: 20px; color: #2a3a50; }
.article-body img { border-radius: var(--radius-md); margin: 24px 0; width: 100%; }
.article-body ul, .article-body ol { margin: 20px 0; padding-left: 28px; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 8px; line-height: 1.8; }
.article-body blockquote { border-left: 4px solid var(--primary); background: #f0f4ff; padding: 18px 24px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 24px 0; font-style: italic; color: #334155; }
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; border: 1px solid var(--border); }
.article-body table th, .article-body table td { padding: 12px 16px; border: 1px solid var(--border); text-align: left; }
.article-body table th { background: var(--primary-light); font-weight: 700; }
.article-body line { border: 0; border-top: 1px solid var(--border); margin: 36px 0; }

/* ==== Share Box ==== */
.share-box { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 20px 40px 30px; border-top: 1px solid var(--border); }
.share-box .share-label { font-size: 14px; color: var(--text-weak); margin-right: 4px; }
.btn-social { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: var(--bg); border: 1px solid var(--border); color: var(--text-weak); font-size: 15px; transition: all var(--transition); }
.btn-social:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(37,99,235,0.25); }

/* ==== Sidebar ==== */
.article-aside { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 30px; }
.widget-card { background: var(--card); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.widget-title { font-size: 17px; font-weight: 700; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 2px solid var(--primary-light); display: flex; align-items: center; gap: 8px; }
.widget-title i { color: var(--primary); }
.widget-cat-list li { margin-bottom: 4px; }
.widget-cat-list a { display: flex; align-items: center; justify-content: space-between; padding: 11px 14px; border-radius: var(--radius-sm); font-size: 14px; color: var(--text); transition: all var(--transition); }
.widget-cat-list a:hover { background: var(--primary-light); color: var(--primary-dark); padding-left: 18px; }
.widget-cat-list a i { font-size: 13px; color: var(--text-weak); }
.widget-cat-list a:hover i { color: var(--primary); }
.widget-card-primary { background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%); border: none; color: #fff; }
.widget-card-primary .widget-title { color: #fff; border-bottom-color: rgba(255,255,255,0.2); }
.widget-card-primary .widget-title i { color: var(--accent); }
.widget-card-primary p { color: rgba(255,255,255,0.85); font-size: 14px; margin-bottom: 16px; }
.btn-block { display: flex; width: 100%; align-items: center; justify-content: center; gap: 8px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 15px; font-weight: 600; padding: 12px 24px; border-radius: var(--radius-md); border: none; cursor: pointer; transition: all var(--transition); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(37,99,235,0.3); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,235,0.35); }
.btn-accent { background: var(--accent); color: #0f172a; }
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); }
.btn-outline { background: transparent; border: 2px solid rgba(255,255,255,0.4); color: #fff; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); color: #fff; }
.widget-cta-img { border-radius: var(--radius-md); margin: 16px 0; width: 100%; height: 140px; object-fit: cover; }

/* ==== Not Found ==== */
.not-found { text-align: center; padding: 80px 40px; background: var(--card); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); border: 1px solid var(--border); }
.not-found i { font-size: 56px; color: var(--primary-light); margin-bottom: 20px; }
.not-found h2 { font-size: 28px; margin-bottom: 10px; }
.not-found p { color: var(--text-weak); margin-bottom: 24px; }

/* ==== Recommended Section ==== */
.recommend-section { padding: 60px 0 70px; background: #f1f5f9; }
.section-header { text-align: center; margin-bottom: 40px; }
.section-tag { display: inline-block; background: var(--primary-light); color: var(--primary-dark); font-size: 13px; font-weight: 700; padding: 4px 16px; border-radius: 999px; margin-bottom: 12px; letter-spacing: 2px; }
.section-header h2 { font-size: 32px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.section-header p { color: var(--text-weak); font-size: 15px; }
.rec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.rec-card { background: var(--card); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: all var(--transition); }
.rec-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.rec-card-img { position: relative; height: 180px; overflow: hidden; }
.rec-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.rec-card:hover .rec-card-img img { transform: scale(1.05); }
.rec-card-img .badge { position: absolute; top: 14px; left: 14px; z-index: 2; font-size: 12px; padding: 4px 12px; }
.rec-card-body { padding: 20px 22px 24px; }
.rec-card-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; line-height: 1.5; }
.rec-card-body h3 a { color: var(--text); }
.rec-card-body h3 a:hover { color: var(--primary); }
.rec-card-body p { font-size: 13.5px; color: var(--text-weak); line-height: 1.6; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.rec-meta { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; color: var(--text-weak); }
.rec-meta a { font-weight: 600; color: var(--primary); }

/* ==== CTA Section ==== */
.cta-section { padding: 70px 0; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; position: relative; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,23,42,0.92) 0%, rgba(37,99,235,0.85) 100%); }
.cta-inner { position: relative; z-index: 2; text-align: center; }
.cta-inner h2 { font-size: 34px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.cta-inner p { color: rgba(255,255,255,0.85); font-size: 16px; max-width: 600px; margin: 0 auto 30px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ==== Footer ==== */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.75); padding: 50px 0 24px; margin-left: var(--sidebar-width); }
.site-footer .footer-brand { font-size: 20px; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.site-footer .footer-brand i { color: var(--accent); }
.footer-desc { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 380px; margin-bottom: 24px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; justify-content: flex-end; }
.footer-links a { color: rgba(255,255,255,0.65); font-size: 14px; transition: all var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px; margin-top: 30px; text-align: center; font-size: 13px; color: rgba(255,255,255,0.4); }
.site-footer .grid-x { align-items: center; }

/* ==== Responsive ==== */
@media screen and (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr; }
    .article-aside { position: static; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .rec-grid { grid-template-columns: repeat(2, 1fr); }
}
@media screen and (max-width: 768px) {
    .site-header { position: fixed; top: 0; left: 0; right: 0; width: 100%; height: auto; flex-direction: row; align-items: center; justify-content: space-between; padding: 14px 20px; z-index: 1200; background: rgba(15,23,42,0.96); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.08); }
    .brand-logo { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
    .brand-logo i { width: 36px; height: 36px; font-size: 18px; }
    .brand-logo span { font-size: 16px; }
    .brand-logo small { display: none; }
    .site-header .sidebar-nav { position: fixed; top: 64px; left: 0; right: 0; background: #0f172a; padding: 16px 20px 20px; border-bottom: 1px solid rgba(255,255,255,0.1); transform: translateY(-120%); opacity: 0; transition: all 0.4s ease; display: block; z-index: 1100; }
    .site-header.nav-open .sidebar-nav { transform: translateY(0); opacity: 1; }
    .sidebar-nav ul { flex-direction: column; gap: 0; }
    .sidebar-nav li a { padding: 12px 14px; font-size: 15px; }
    .header-bottom { display: none; }
    .nav-toggle { display: inline-flex; align-items: center; justify-content: center; background: transparent; border: 1px solid rgba(255,255,255,0.2); color: #fff; width: 42px; height: 42px; border-radius: var(--radius-sm); font-size: 18px; cursor: pointer; z-index: 1300; }
    .site-main, .site-footer { margin-left: 0; }
    .site-main { padding-top: 64px; }
    .article-banner { padding: 56px 0 44px; }
    .banner-content h1 { font-size: 26px; }
    .article-body { padding: 24px 20px; }
    .article-body h2 { font-size: 22px; }
    .article-hero-img { height: 240px; }
    .share-box { padding: 16px 20px 24px; }
    .article-aside { grid-template-columns: 1fr; }
    .rec-grid { grid-template-columns: 1fr; }
    .cta-inner h2 { font-size: 26px; }
    .footer-links { justify-content: flex-start; }
    .cta-buttons { flex-direction: column; align-items: center; }
}
@media screen and (max-width: 520px) {
    .container { padding: 0 18px; }
    .article-section { padding: 40px 0; }
    .rec-grid { grid-template-columns: 1fr; }
    .article-body { padding: 20px 16px; }
    .article-hero-img { height: 200px; }
    .section-header h2 { font-size: 24px; }
    .btn { width: 100%; }
    .share-box { justify-content: center; }
    .cta-buttons .btn { width: 100%; }
    .article-banner h1 { font-size: 22px; }
    .banner-meta { gap: 8px; }
    .widget-card { padding: 18px; }
}

/* roulang page: category2 */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --sidebar-bg: #0f172a;
  --sidebar-text: #94a3b8;
  --sidebar-active: #f8fafc;
  --bg-body: #f1f5f9;
  --bg-card: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 12px 32px rgba(15, 23, 42, 0.12);
  --transition: all 0.25s ease;
  --sidebar-width: 260px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 布局 ===== */
.layout-wrap {
  display: flex;
  min-height: 100vh;
}

.sidebar-header {
  width: var(--sidebar-width);
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 100;
  background: linear-gradient(180deg, var(--sidebar-bg) 0%, #1e293b 100%);
  display: flex;
  flex-direction: column;
  padding: 32px 0 24px;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 28px 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand i {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 10px;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
}

.sidebar-brand span {
  color: #f1f5f9;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-nav {
  padding: 24px 12px;
  flex: 1;
}

.sidebar-nav ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  border-radius: 10px;
  color: var(--sidebar-text);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-nav li a i {
  width: 20px;
  text-align: center;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-nav li a:hover {
  color: #e2e8f0;
  background: rgba(255,255,255,0.06);
  transform: translateX(4px);
}

.sidebar-nav li.active a {
  color: var(--sidebar-active);
  background: rgba(37, 99, 235, 0.25);
  border-left-color: var(--primary-light);
  font-weight: 600;
}

.sidebar-info {
  padding: 20px 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-info p {
  color: #64748b;
  font-size: 13px;
  line-height: 1.8;
}

.sidebar-info p i {
  color: var(--accent);
  margin-right: 6px;
}

.main-area {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
}

/* ===== 移动端顶栏 ===== */
.mobile-topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--sidebar-bg);
  padding: 14px 20px;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

.mobile-brand {
  color: #f1f5f9;
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-brand i {
  color: var(--primary-light);
  font-size: 18px;
}

.menu-toggle {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,0.1);
  color: #f1f5f9;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.menu-toggle:hover {
  background: rgba(255,255,255,0.2);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  z-index: 95;
  backdrop-filter: blur(2px);
}

/* ===== Banner ===== */
.page-banner {
  position: relative;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 80px 0 64px;
  color: #fff;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,0.82) 0%, rgba(37,99,235,0.55) 60%, rgba(37,99,235,0.25) 100%);
}

.banner-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
}

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

.breadcrumb i {
  font-size: 12px;
  opacity: 0.6;
}

.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
}

.banner-content h1 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.banner-content p {
  font-size: 17px;
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  max-width: 600px;
}

.banner-meta {
  display: flex;
  gap: 24px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.banner-meta span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
}

.banner-meta i {
  color: var(--accent-light);
}

/* ===== 通用板块 ===== */
.section {
  padding: 80px 0;
}

.section-head {
  margin-bottom: 44px;
  text-align: center;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(37,99,235,0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 10px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== 指南概览卡片 ===== */
.guide-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
}

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

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

.guide-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.guide-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,23,42,0.2), transparent);
}

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

.guide-card-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  margin-top: -46px;
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
  box-shadow: 0 6px 16px rgba(37,99,235,0.3);
}

.guide-card-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.guide-card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}

.guide-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}

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

/* ===== 入口指南 ===== */
.entry-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.entry-card {
  background: var(--bg-body);
  border-radius: var(--radius);
  padding: 28px 24px;
  height: 100%;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.entry-card:hover {
  background: #fff;
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: transparent;
}

.entry-num {
  font-size: 28px;
  font-weight: 800;
  color: rgba(37,99,235,0.2);
  position: absolute;
  top: 18px;
  right: 20px;
  letter-spacing: -1px;
}

.entry-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  margin-bottom: 18px;
  box-shadow: 0 6px 16px rgba(245,158,11,0.25);
}

.entry-card:nth-child(2) .entry-icon {
  background: linear-gradient(135deg, #10b981, #34d399);
  box-shadow: 0 6px 16px rgba(16,185,129,0.25);
}

.entry-card:nth-child(3) .entry-icon {
  background: linear-gradient(135deg, #8b5cf6, #a78bfa);
  box-shadow: 0 6px 16px rgba(139,92,246,0.25);
}

.entry-card:nth-child(4) .entry-icon {
  background: linear-gradient(135deg, #f43f5e, #fb7185);
  box-shadow: 0 6px 16px rgba(244,63,94,0.25);
}

.entry-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.entry-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== 操作流程 ===== */
.process-section {
  background: linear-gradient(180deg, var(--bg-body), #eef2ff);
}

.step-card {
  position: relative;
  text-align: center;
  padding: 40px 24px 32px;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  height: 100%;
}

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

.step-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  box-shadow: 0 8px 24px rgba(37,99,235,0.3);
}

.step-card:nth-child(2) .step-circle {
  background: linear-gradient(135deg, #10b981, #34d399);
  box-shadow: 0 8px 24px rgba(16,185,129,0.3);
}

.step-card:nth-child(3) .step-circle {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  box-shadow: 0 8px 24px rgba(245,158,11,0.3);
}

.step-card:nth-child(4) .step-circle {
  background: linear-gradient(135deg, #8b5cf6, #a78bfa);
  box-shadow: 0 8px 24px rgba(139,92,246,0.3);
}

.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.step-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.step-arrow {
  position: absolute;
  top: 50%;
  right: -18px;
  transform: translateY(-50%);
  z-index: 2;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

@media (max-width: 768px) {
  .step-arrow {
    display: none;
  }
}

/* ===== 使用技巧 ===== */
.tips-section {
  background: var(--bg-card);
}

.tips-layout {
  display: flex;
  align-items: center;
  gap: 60px;
}

.tips-image {
  flex: 0 0 46%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  position: relative;
}

.tips-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(37,99,235,0.15), transparent);
  z-index: 1;
}

.tips-image img {
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: cover;
}

.tips-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tips-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 18px 20px;
  transition: var(--transition);
}

.tips-item:hover {
  border-color: var(--primary-light);
  transform: translateX(6px);
  box-shadow: var(--shadow-card);
}

.tips-item i {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 10px;
  background: rgba(37,99,235,0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.tips-item p {
  font-size: 15px;
  color: var(--text-main);
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-body);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-card);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 90px 0;
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,0.88), rgba(37,99,235,0.72));
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 17px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
  line-height: 1.7;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px rgba(245,158,11,0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  background: var(--accent-light);
  box-shadow: 0 12px 32px rgba(245,158,11,0.45);
}

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

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.1);
  transform: translateY(-3px);
}

.btn-large {
  padding: 16px 40px;
  font-size: 16px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--sidebar-bg);
  color: #94a3b8;
  padding: 48px 0 28px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #f1f5f9;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

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

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  max-width: 360px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: flex-end;
}

.footer-links a {
  color: #94a3b8;
  font-size: 14px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  font-size: 13px;
  color: #64748b;
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .sidebar-header {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    box-shadow: none;
  }

  .sidebar-header.open {
    transform: translateX(0);
    box-shadow: 4px 0 30px rgba(0,0,0,0.3);
  }

  .main-area {
    margin-left: 0;
  }

  .mobile-topbar {
    display: flex;
  }

  .sidebar-overlay.active {
    display: block;
  }

  .page-banner {
    padding: 60px 0 48px;
  }

  .banner-content h1 {
    font-size: 32px;
  }

  .tips-layout {
    flex-direction: column;
    gap: 40px;
  }

  .tips-image {
    flex: none;
    width: 100%;
    max-height: 320px;
  }

  .footer-links {
    justify-content: flex-start;
    margin-top: 16px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .section-head h2 {
    font-size: 27px;
  }

  .banner-content h1 {
    font-size: 27px;
  }

  .banner-content p {
    font-size: 15px;
  }

  .banner-meta {
    gap: 14px;
  }

  .entry-card {
    padding: 22px 18px;
  }

  .cta-content h2 {
    font-size: 28px;
  }

  .btn-large {
    padding: 14px 32px;
    font-size: 15px;
  }
}

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

  .page-banner {
    padding: 44px 0 36px;
  }

  .banner-content h1 {
    font-size: 23px;
  }

  .breadcrumb {
    font-size: 13px;
  }

  .section-head h2 {
    font-size: 22px;
  }

  .section-head p {
    font-size: 14px;
  }

  .tips-item p {
    font-size: 14px;
  }

  .faq-question {
    font-size: 14px;
    padding: 16px 18px;
  }

  .faq-answer {
    font-size: 13px;
    padding: 0 18px;
  }

  .faq-item.active .faq-answer {
    padding-bottom: 16px;
  }

  .footer-links {
    gap: 14px;
  }
}

/* ===== focus ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* roulang page: category3 */
:root {
    --primary: #0f2a43;
    --primary-light: #1d4a73;
    --primary-soft: #e8f0fa;
    --accent: #f0a500;
    --accent-dark: #d99000;
    --accent-soft: #fef4e0;
    --bg-body: #f4f7fb;
    --bg-white: #ffffff;
    --bg-dark: #0b1c2b;
    --text-main: #1b2a38;
    --text-soft: #5c6f88;
    --text-faint: #8a9ab0;
    --border-soft: #e3e9f0;
    --border-line: #d5dfe9;
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 10px rgba(18, 40, 60, .06);
    --shadow-md: 0 8px 28px rgba(18, 40, 60, .08);
    --shadow-lg: 0 14px 44px rgba(18, 40, 60, .14);
    --sidebar-w: 264px;
    --transition: all .25s ease;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; margin: 0; padding: 0; }
button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.3; color: var(--text-main); }
p { margin: 0; }
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.layout-wrap { display: flex; min-height: 100vh; }
.main-content { flex: 1; margin-left: var(--sidebar-w); min-width: 0; }
.site-sidebar {
    width: var(--sidebar-w);
    background: var(--bg-dark);
    background-image: linear-gradient(160deg, #0e2238 0%, #0b1c2b 60%, #0d2538 100%);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    padding: 28px 22px;
    overflow-y: auto;
    border-right: 1px solid rgba(255,255,255,.06);
}
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 8px 24px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    margin-bottom: 22px;
    font-size: 20px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: .5px;
}
.sidebar-brand i {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), #ffbe3a);
    color: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(240, 165, 0, .35);
}
.sidebar-nav { flex: 1; }
.sidebar-nav ul { display: flex; flex-direction: column; gap: 6px; }
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 12px 14px;
    border-radius: 12px;
    color: #b6c6d9;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    border: 1px solid transparent;
}
.sidebar-nav a i {
    width: 20px;
    text-align: center;
    font-size: 16px;
    color: #7f94ab;
    transition: var(--transition);
}
.sidebar-nav a:hover {
    background: rgba(255,255,255,.06);
    color: #ffffff;
    border-color: rgba(255,255,255,.08);
    transform: translateX(3px);
}
.sidebar-nav a:hover i { color: var(--accent); }
.sidebar-nav li.active a {
    background: linear-gradient(135deg, rgba(240,165,0,.18), rgba(240,165,0,.08));
    color: #ffffff;
    border-color: rgba(240,165,0,.3);
    box-shadow: 0 4px 16px rgba(0,0,0,.2);
}
.sidebar-nav li.active a i { color: var(--accent); }
.sidebar-foot { margin-top: 28px; }
.sidebar-tip {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 14px;
    padding: 16px;
    color: #c2d1e3;
}
.sidebar-tip i { color: var(--accent); font-size: 22px; margin-bottom: 8px; }
.sidebar-tip strong { display: block; color: #fff; font-size: 14px; margin-bottom: 4px; }
.sidebar-tip p { font-size: 12.5px; line-height: 1.5; color: #8fa3ba; }
.mobile-header { display: none; }
.page-banner {
    position: relative;
    padding: 74px 0 64px;
    background-image: linear-gradient(135deg, rgba(10, 28, 44, .92), rgba(16, 42, 66, .78)), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    color: #fff;
    border-bottom: 3px solid var(--accent);
}
.page-banner::after {
    content: '';
    position: absolute;
    right: -80px;
    bottom: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(240, 165, 0, .12);
    filter: blur(60px);
    pointer-events: none;
}
.banner-inner { position: relative; z-index: 2; }
.banner-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(240,165,0,.15);
    border: 1px solid rgba(240,165,0,.35);
    color: #ffe9b8;
    padding: 7px 18px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
}
.page-banner h1 {
    font-size: 42px;
    line-height: 1.2;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -1px;
}
.page-banner .banner-lead {
    font-size: 18px;
    color: rgba(255,255,255,.85);
    max-width: 520px;
    margin-bottom: 30px;
    line-height: 1.65;
}
.banner-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 12px 26px;
    border-radius: 48px;
    font-size: 15px;
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), #ffb82e);
    color: var(--bg-dark);
    box-shadow: 0 6px 20px rgba(240,165,0,.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(240,165,0,.42);
    background: linear-gradient(135deg, #ffb82e, var(--accent));
}
.btn-ghost {
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.35);
    color: #ffffff;
    backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.6); transform: translateY(-2px); }
.btn-dark {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 6px 18px rgba(15, 42, 67, .25);
}
.btn-dark:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(15,42,67,.35); }
.btn-outline {
    background: transparent;
    border-color: var(--border-line);
    color: var(--text-soft);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }
.section-block { padding: 68px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 38px; flex-wrap: wrap; }
.section-title { position: relative; padding-left: 18px; font-size: 30px; font-weight: 800; letter-spacing: -1px; }
.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 5px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--accent), #ffbe3a);
}
.section-sub { color: var(--text-soft); font-size: 15px; margin-top: 10px; }
.section-link { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; font-weight: 600; color: var(--primary); transition: var(--transition); }
.section-link:hover { gap: 12px; color: var(--accent-dark); }
.notice-panel {
    background: var(--accent-soft);
    border: 1px solid #f8dfa5;
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    display: flex;
    align-items: flex-start;
    gap: 18px;
    position: relative;
    overflow: hidden;
}
.notice-panel::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: var(--accent);
}
.notice-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(240,165,0,.3);
}
.notice-body { flex: 1; }
.notice-body .notice-tag { font-size: 12px; font-weight: 700; color: var(--accent-dark); letter-spacing: 1px; text-transform: uppercase; }
.notice-body h3 { font-size: 18px; margin: 5px 0 6px; color: var(--text-main); }
.notice-body p { font-size: 14.5px; color: var(--text-soft); line-height: 1.6; }
.notice-body .notice-date { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; font-size: 13px; color: var(--text-faint); }
.notice-panel .notice-arrow { color: var(--accent-dark); font-size: 20px; align-self: center; margin-left: 8px; transition: var(--transition); }
.notice-panel:hover .notice-arrow { transform: translateX(6px); }
.news-grid .news-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.news-grid .news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.news-card .card-cover { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
.news-card .card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .card-cover img { transform: scale(1.06); }
.card-cover .card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(15, 42, 67, .82);
    backdrop-filter: blur(4px);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: .5px;
}
.card-cover .card-date {
    position: absolute;
    bottom: 14px;
    right: 14px;
    background: rgba(255,255,255,.9);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 5px;
}
.news-card .card-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.news-card .card-body h3 { font-size: 17px; font-weight: 700; line-height: 1.4; margin-bottom: 10px; color: var(--text-main); transition: color .2s; }
.news-card .card-body h3 a:hover { color: var(--accent-dark); }
.news-card .card-body p { font-size: 14px; color: var(--text-soft); line-height: 1.6; flex: 1; margin-bottom: 16px; }
.card-more { font-size: 13px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; transition: var(--transition); }
.card-more:hover { color: var(--accent-dark); gap: 10px; }
.stats-panel {
    background: linear-gradient(135deg, var(--primary) 0%, #163a5c 100%);
    border-radius: var(--radius-lg);
    padding: 44px 34px;
    position: relative;
    overflow: hidden;
}
.stats-panel::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(240,165,0,.14);
}
.stats-panel .stat-item {
    text-align: center;
    padding: 16px 10px;
    position: relative;
    z-index: 2;
}
.stats-panel .stat-value {
    font-size: 40px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.1;
    letter-spacing: -1px;
    font-family: -apple-system, "Segoe UI", "PingFang SC", sans-serif;
}
.stats-panel .stat-value i { font-size: 28px; color: var(--accent); margin-right: 6px; }
.stats-panel .stat-label {
    color: rgba(255,255,255,.72);
    font-size: 14px;
    font-weight: 500;
    margin-top: 8px;
}
.stats-panel .stat-divider {
    border-left: 1px solid rgba(255,255,255,.14);
    @media (max-width: 639px) { border-left: none; border-top: 1px solid rgba(255,255,255,.14); }
}
.timeline-wrap {
    position: relative;
    padding-left: 34px;
}
.timeline-wrap::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent), var(--border-soft));
    border-radius: 2px;
}
.timeline-item { position: relative; padding-bottom: 34px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px rgba(240,165,0,.25);
}
.timeline-item .timeline-title { font-size: 17px; font-weight: 700; color: var(--text-main); }
.timeline-item .timeline-time {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-dark);
    background: var(--accent-soft);
    padding: 3px 12px;
    border-radius: 20px;
    margin: 8px 0 8px;
}
.timeline-item .timeline-desc { font-size: 14.5px; color: var(--text-soft); line-height: 1.6; }
.topic-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-sm);
    padding: 30px 26px;
    height: 100%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.topic-card::after {
    content: '';
    position: absolute;
    right: -20px;
    bottom: -20px;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: var(--primary-soft);
    z-index: 0;
    transition: var(--transition);
}
.topic-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.topic-card:hover::after { transform: scale(1.4); background: var(--accent-soft); }
.topic-card .topic-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 18px;
    position: relative;
    z-index: 2;
    box-shadow: 0 6px 16px rgba(15, 42, 67, .22);
}
.topic-card h3 { font-size: 18px; margin-bottom: 8px; position: relative; z-index: 2; }
.topic-card p { font-size: 14px; color: var(--text-soft); line-height: 1.6; position: relative; z-index: 2; }
.topic-card .topic-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin-top: 16px;
    position: relative;
    z-index: 2;
    transition: var(--transition);
}
.topic-card .topic-link:hover { color: var(--accent-dark); gap: 10px; }
.faq-card {
    background: var(--bg-white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.faq-card:hover { border-color: var(--border-line); box-shadow: var(--shadow-md); }
.faq-card details > summary {
    list-style: none;
    cursor: pointer;
    padding: 20px 24px;
    font-size: 15.5px;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    user-select: none;
}
.faq-card details > summary::-webkit-details-marker { display: none; }
.faq-card details > summary .faq-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
    transition: var(--transition);
}
.faq-card details[open] > summary .faq-icon { background: var(--accent); color: #fff; transform: rotate(45deg); }
.faq-card details[open] > summary { color: var(--primary); }
.faq-card .faq-body {
    padding: 0 24px 22px;
    font-size: 14px;
    color: var(--text-soft);
    line-height: 1.7;
    border-top: 1px solid var(--border-soft);
    padding-top: 16px;
}
.cta-section {
    background: var(--bg-dark);
    background-image: linear-gradient(135deg, rgba(11, 28, 43, .95), rgba(15, 42, 67, .9)), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-lg);
    padding: 60px 44px;
    position: relative;
    overflow: hidden;
    text-align: center;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -60px;
    left: -60px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(240,165,0,.18);
    filter: blur(20px);
}
.cta-section h2 { color: #fff; font-size: 32px; margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,.75); font-size: 16px; max-width: 560px; margin: 0 auto 28px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 2; }
.site-footer {
    background: var(--bg-dark);
    border-top: 3px solid var(--accent);
    padding: 48px 0 26px;
    color: #a5b6c8;
}
.site-footer .container { max-width: 1280px; }
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 10px;
}
.footer-brand i { color: var(--accent); font-size: 22px; }
.footer-desc { font-size: 14px; line-height: 1.7; color: #8fa3ba; max-width: 380px; }
.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: flex-end;
}
.footer-links a {
    font-size: 14px;
    color: #b7c6d8;
    padding: 6px 2px;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.footer-bottom {
    margin-top: 38px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,.08);
    font-size: 13px;
    color: #748aa2;
    text-align: center;
}
.section-alt-grey { background: #eef3f8; }
.section-alt-white { background: var(--bg-white); }
@media (max-width: 1024px) {
    .layout-wrap { display: block; }
    .site-sidebar {
        position: relative;
        width: 100%;
        height: auto;
        padding: 14px 20px;
        flex-direction: row;
        align-items: center;
        overflow-x: auto;
        gap: 18px;
    }
    .sidebar-brand { border-bottom: none; margin-bottom: 0; padding: 0 12px 0 0; border-right: 1px solid rgba(255,255,255,.1); font-size: 17px; flex-shrink: 0; }
    .sidebar-brand i { width: 32px; height: 32px; font-size: 14px; }
    .sidebar-nav { flex: 1; }
    .sidebar-nav ul { flex-direction: row; gap: 4px; overflow-x: auto; padding-bottom: 4px; }
    .sidebar-nav a { padding: 8px 13px; font-size: 14px; white-space: nowrap; gap: 8px; }
    .sidebar-nav a:hover { transform: none; }
    .sidebar-nav li.active a { background: rgba(240,165,0,.16); }
    .sidebar-foot { display: none; }
    .main-content { margin-left: 0; }
}
@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .page-banner { padding: 48px 0 40px; }
    .page-banner h1 { font-size: 30px; }
    .page-banner .banner-lead { font-size: 16px; }
    .section-block { padding: 44px 0; }
    .section-title { font-size: 24px; }
    .section-head { margin-bottom: 26px; }
    .notice-panel { padding: 18px 18px; flex-wrap: wrap; }
    .notice-arrow { display: none; }
    .stats-panel { padding: 28px 20px; }
    .stats-panel .stat-value { font-size: 30px; }
    .timeline-wrap { padding-left: 26px; }
    .timeline-item::before { left: -24px; }
    .cta-section { padding: 40px 24px; }
    .cta-section h2 { font-size: 26px; }
    .banner-actions .btn { width: 100%; justify-content: center; }
    .cta-actions .btn { width: 100%; justify-content: center; }
}
@media (max-width: 520px) {
    .footer-links { justify-content: flex-start; gap: 14px; }
    .footer-bottom { font-size: 12px; text-align: left; }
    .site-sidebar { padding: 10px 14px; gap: 10px; }
    .sidebar-brand { padding-right: 8px; font-size: 15px; }
    .sidebar-brand i { width: 28px; height: 28px; }
    .sidebar-nav a { padding: 7px 10px; font-size: 13px; }
    .section-title { font-size: 21px; padding-left: 14px; }
    .stats-panel .stat-value { font-size: 24px; }
    .stats-panel .stat-value i { font-size: 20px; }
    .cta-section { padding: 32px 18px; border-radius: 14px; }
}