/* roulang page: index */
:root {
  --brand: #0ea5e9;
  --brand-dark: #0369a1;
  --brand-light: #7dd3fc;
  --accent: #f97316;
  --ink: #0f172a;
  --muted: #64748b;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --radius: 18px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 18px 44px rgba(15, 23, 42, 0.12);
  --spacing: 5rem;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: var(--spacing) 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-eyebrow {
  display: inline-block;
  background: rgba(14, 165, 233, 0.12);
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-title { font-size: 2rem; font-weight: 900; letter-spacing: -0.02em; margin: 0 0 14px; }
.section-subtitle { color: var(--muted); font-size: 1.05rem; margin: 0; }

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}
.header-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand-logo {
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink);
  background: linear-gradient(90deg, #0284c7, #0ea5e9 60%, #38bdf8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.brand-logo:hover { opacity: 0.85; }
.nav-side { display: flex; align-items: center; gap: 8px; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.2s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--brand-dark); background: rgba(14, 165, 233, 0.08); }
.nav-link.active {
  color: var(--brand-dark);
  background: rgba(14, 165, 233, 0.12);
  font-weight: 700;
}
.menu-toggle {
  display: none;
  background: rgba(15, 23, 42, 0.06);
  border: 0;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  font-size: 18px;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.2s;
  align-items: center;
  justify-content: center;
}
.menu-toggle:hover { background: rgba(15, 23, 42, 0.12); }
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.08);
  padding: 12px 24px 18px;
  z-index: 49;
}
.mobile-menu.open { display: block; }
.mobile-link {
  display: block;
  padding: 13px 14px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  transition: background 0.2s;
}
.mobile-link:hover { background: var(--bg); }
.mobile-link.active { background: rgba(14, 165, 233, 0.1); color: var(--brand-dark); font-weight: 700; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--night-800);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.75;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(6, 12, 24, 0.94) 0%, rgba(6, 12, 24, 0.68) 55%, rgba(8, 47, 73, 0.45) 100%);
}
.hero-content { position: relative; z-index: 2; padding: 80px 0; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(56, 189, 248, 0.15);
  color: #7dd3fc;
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 22px;
  border: 1px solid rgba(56, 189, 248, 0.25);
}
.hero-title {
  font-size: 3.4rem;
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: #fff;
  margin: 0 0 18px;
}
.hero-title .accent { background: linear-gradient(90deg, #38bdf8, #f97316); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { font-size: 1.15rem; color: rgba(226, 232, 240, 0.8); max-width: 560px; margin: 0 0 34px; line-height: 1.75; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }
.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  transition: all 0.25s;
  cursor: pointer;
  border: 0;
}
.btn-primary {
  background: linear-gradient(135deg, #0284c7, #0ea5e9);
  color: #fff;
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(14, 165, 233, 0.5); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.18); transform: translateY(-2px); }
.hero-stats {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-stats .stat-item {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 14px 22px;
  backdrop-filter: blur(8px);
  min-width: 140px;
}
.hero-stats .stat-item strong { display: block; font-size: 1.05rem; color: #fff; font-weight: 700; }
.hero-stats .stat-item span { font-size: 12px; color: rgba(226, 232, 240, 0.7); }
.hero-panel {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  padding: 28px;
  backdrop-filter: blur(16px);
  color: #fff;
}
.hero-panel .panel-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  color: #7dd3fc;
  margin-bottom: 20px;
}
.live-dot {
  width: 10px;
  height: 10px;
  background: #22c55e;
  border-radius: 50%;
  display: inline-block;
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6); }
  50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}
.panel-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.panel-row span { font-size: 13px; color: rgba(226, 232, 240, 0.7); }
.panel-row strong { font-size: 15px; font-weight: 700; color: #fff; }
.panel-trend {
  margin-top: 18px;
  background: rgba(249, 115, 22, 0.14);
  border: 1px solid rgba(249, 115, 22, 0.3);
  color: #fdba74;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
}

/* ===== 卡片 ===== */
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  height: 100%;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(14, 165, 233, 0.3);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #0ea5e9, #0369a1);
}
.feature-card h3 { font-size: 1.2rem; font-weight: 800; margin: 0 0 10px; letter-spacing: -0.01em; }
.feature-card p { color: var(--muted); font-size: 14px; margin: 0; line-height: 1.7; }

/* ===== 分类入口 ===== */
.category-card {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  min-height: 280px;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  border: 1px solid var(--border);
}
.category-card:hover { transform: scale(1.02); box-shadow: var(--shadow-lg); }
.category-card .cat-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(2, 6, 23, 0.78) 100%);
}
.category-card .cat-body {
  position: relative;
  padding: 32px;
  width: 100%;
  color: #fff;
}
.category-card .cat-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.92);
  color: #0369a1;
  font-size: 12px;
  font-weight: 800;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.category-card h3 { font-size: 1.6rem; font-weight: 900; margin: 0 0 8px; }
.category-card p { font-size: 14px; color: rgba(255, 255, 255, 0.85); margin: 0 0 18px; max-width: 480px; }
.category-card .cat-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: #7dd3fc;
  transition: gap 0.2s;
}
.category-card .cat-link:hover { gap: 13px; }

/* ===== 资讯列表 ===== */
.news-list { display: grid; gap: 16px; }
.news-item {
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px 22px;
  gap: 20px;
  transition: all 0.25s;
  flex-wrap: wrap;
}
.news-item:hover {
  border-color: rgba(14, 165, 233, 0.35);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}
.news-date {
  text-align: center;
  background: #f1f5f9;
  border-radius: 12px;
  padding: 10px 12px;
  min-width: 78px;
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 700;
}
.news-body { flex: 1; min-width: 220px; }
.news-body .badge {
  display: inline-block;
  background: rgba(14, 165, 233, 0.12);
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 6px;
}
.news-body h3 { font-size: 1.05rem; font-weight: 800; margin: 0 0 4px; line-height: 1.5; }
.news-body p { color: var(--muted); font-size: 13px; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-arrow {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  transition: all 0.2s;
  flex-shrink: 0;
}
.news-item:hover .news-arrow { background: var(--brand); color: #fff; }
.empty-tip {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 50px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}

/* ===== 趋势深色区 ===== */
.trend-section {
  background: var(--night-900);
  position: relative;
  overflow: hidden;
}
.trend-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.16;
}
.trend-section .container { position: relative; z-index: 2; }
.trend-section .section-title { color: #fff; }
.trend-section .section-subtitle { color: rgba(226, 232, 240, 0.6); }
.trend-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 30px;
  backdrop-filter: blur(6px);
  height: 100%;
}
.trend-card h3 { color: #fff; font-size: 1.1rem; font-weight: 800; margin: 0 0 22px; }
.bar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; font-size: 13px; }
.bar-row .bar-label { color: rgba(255, 255, 255, 0.8); width: 90px; flex-shrink: 0; }
.bar-row .bar-track { flex: 1; height: 8px; background: rgba(255, 255, 255, 0.12); border-radius: 999px; overflow: hidden; }
.bar-row .bar-fill { height: 100%; background: linear-gradient(90deg, #38bdf8, #f97316); border-radius: 999px; }
.bar-row .bar-value { color: #fff; font-weight: 700; width: 38px; text-align: right; flex-shrink: 0; }
.mini-stat { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.mini-stat span { color: rgba(255, 255, 255, 0.6); font-size: 13px; }
.mini-stat strong { color: #fff; font-weight: 700; font-size: 14px; }

/* ===== 流程 ===== */
.step-card { text-align: center; padding: 20px 10px; position: relative; }
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0ea5e9, #0369a1);
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 6px 18px rgba(14, 165, 233, 0.35);
}
.step-card h3 { font-size: 1.05rem; font-weight: 800; margin: 0 0 8px; }
.step-card p { color: var(--muted); font-size: 13px; max-width: 220px; margin: 0 auto; line-height: 1.65; }
.step-arrow {
  position: absolute;
  top: 32px;
  right: -20px;
  color: #cbd5e1;
  font-size: 16px;
}

/* ===== 内容卡 ===== */
.content-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  transition: all 0.3s;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}
.content-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(14, 165, 233, 0.25); }
.content-card .card-img { position: relative; height: 190px; overflow: hidden; }
.content-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.content-card:hover .card-img img { transform: scale(1.06); }
.card-img .card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: #0369a1;
  font-size: 12px;
  font-weight: 800;
  padding: 5px 14px;
  border-radius: 999px;
}
.content-card .card-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.content-card h3 { font-size: 1.08rem; font-weight: 800; margin: 0 0 10px; line-height: 1.5; }
.content-card p { color: var(--muted); font-size: 14px; margin: 0 0 18px; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-more {
  color: var(--brand);
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.2s;
}
.card-more:hover { gap: 13px; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 840px; margin: 0 auto; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: rgba(14, 165, 233, 0.4); }
.faq-item summary {
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(14, 165, 233, 0.1);
  color: var(--brand-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all 0.3s;
  flex-shrink: 0;
}
.faq-item[open] summary .faq-icon { background: var(--brand); color: #fff; transform: rotate(45deg); }
.faq-item .faq-answer { padding: 0 24px 22px; color: var(--muted); font-size: 14px; line-height: 1.8; }

/* ===== CTA ===== */
.cta-section {
  background: var(--night-900);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}
.cta-inner {
  position: relative;
  z-index: 2;
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.28), rgba(249, 115, 22, 0.18));
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 32px;
  padding: 60px 40px;
  text-align: center;
  backdrop-filter: blur(12px);
}
.cta-inner h2 { color: #fff; font-size: 2rem; font-weight: 900; margin: 0 0 14px; }
.cta-inner p { color: rgba(255, 255, 255, 0.75); font-size: 1.05rem; max-width: 560px; margin: 0 auto 28px; }

/* ===== 页脚 ===== */
.site-footer {
  background: #06090f;
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 30px;
}
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.footer-brand .brand-logo { font-size: 1.4rem; }
.footer-brand p { font-size: 13px; margin: 14px 0 0; max-width: 320px; line-height: 1.7; color: rgba(255, 255, 255, 0.5); }
.footer-col h4 { color: #fff; font-size: 14px; font-weight: 700; margin: 0 0 16px; letter-spacing: 0.02em; }
.footer-col a { display: block; font-size: 13px; padding: 6px 0; color: rgba(255, 255, 255, 0.55); transition: color 0.2s; }
.footer-col a:hover { color: #7dd3fc; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; gap: 12px; flex-wrap: wrap; font-size: 12px; color: rgba(255, 255, 255, 0.35); }
.footer-bottom a { color: rgba(255, 255, 255, 0.45); }
.footer-bottom a:hover { color: #7dd3fc; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero { min-height: 560px; }
  .hero-title { font-size: 2.6rem; }
  .news-item { flex-wrap: wrap; }
  .news-arrow { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .step-arrow { display: none; }
}
@media (max-width: 768px) {
  :root { --spacing: 3.5rem; }
  .nav-side { display: none; }
  .menu-toggle { display: flex; }
  .brand-logo { font-size: 1.15rem; }
  .hero { min-height: auto; padding: 40px 0; }
  .hero-content { padding: 20px 0 40px; }
  .hero-title { font-size: 2.2rem; }
  .hero-stats { flex-direction: column; }
  .hero-stats .stat-item { min-width: auto; }
  .section-title { font-size: 1.6rem; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-inner { padding: 40px 24px; }
  .cta-inner h2 { font-size: 1.5rem; }
}
@media (max-width: 520px) {
  .hero-title { font-size: 1.8rem; }
  .hero-actions .btn-primary, .hero-actions .btn-ghost { width: 100%; justify-content: center; }
  .news-item { padding: 16px; gap: 12px; }
  .news-date { min-width: 64px; padding: 8px; font-size: 12px; }
  .content-card .card-img { height: 160px; }
  .category-card { min-height: 220px; }
  .category-card .cat-body { padding: 22px; }
  .category-card h3 { font-size: 1.3rem; }
  .faq-item summary { padding: 16px 16px; font-size: 14px; }
  .faq-item .faq-answer { padding: 0 16px 18px; }
}
:focus-visible {
  outline: 3px solid rgba(14, 165, 233, 0.5);
  outline-offset: 2px;
}

/* roulang page: category1 */
:root {
  --primary:#1e40af; --primary-light:#3b82f6; --primary-dark:#1e3a8a;
  --accent:#f59e0b; --accent-light:#fbbf24;
  --bg:#f1f5f9; --dark-bg:#0f172a;
  --text:#1e293b; --text-light:#64748b;
  --border:#e2e8f0;
  --radius:16px; --radius-lg:24px;
  --shadow-sm:0 2px 12px rgba(15,23,42,.06);
  --shadow:0 8px 30px rgba(15,23,42,.08);
  --shadow-lg:0 16px 50px rgba(15,23,42,.12);
  --transition:all .3s ease;
}
*{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",sans-serif;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
button,input,textarea{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.site-header{background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand-logo{font-size:1.5rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;white-space:nowrap;letter-spacing:-.02em}
.nav-side{display:flex;align-items:center;gap:8px;flex:1}
.nav-side.nav-right{justify-content:flex-end}
.nav-link{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;font-size:.9rem;font-weight:600;color:var(--text-light);transition:var(--transition);border:1px solid transparent}
.nav-link:hover{color:var(--primary);background:rgba(59,130,246,.08)}
.nav-link.active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-light));box-shadow:0 4px 14px rgba(30,64,175,.25)}
.nav-link i{font-size:.85rem}
.page-hero{padding:88px 0;background:linear-gradient(135deg,rgba(15,23,42,.72),rgba(30,64,175,.55)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;position:relative}
.page-hero .breadcrumb{font-size:.875rem;opacity:.8;margin-bottom:12px;display:flex;gap:8px;flex-wrap:wrap}
.page-hero h1{font-size:2.6rem;font-weight:800;line-height:1.18;margin-bottom:16px}
.page-hero p{font-size:1.12rem;max-width:700px;opacity:.92;margin-bottom:26px;line-height:1.7}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.22);color:#fff;padding:6px 18px;border-radius:999px;font-size:.85rem;font-weight:600;margin-bottom:16px;backdrop-filter:blur(8px)}
.hero-btn-group{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:999px;font-weight:700;font-size:.95rem;transition:var(--transition);border:2px solid transparent;cursor:pointer;outline:none}
.btn-primary{background:var(--accent);color:#1e293b;box-shadow:0 8px 24px rgba(245,158,11,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(245,158,11,.4)}
.btn-outline{border-color:rgba(255,255,255,.4);color:#fff;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-ghost{background:rgba(30,64,175,.06);color:var(--primary);border-color:transparent}
.btn-ghost:hover{background:rgba(30,64,175,.12);transform:translateY(-2px)}
.section{padding:76px 0}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:700;color:var(--primary);letter-spacing:.05em;margin-bottom:10px}
.section-title{font-size:2rem;font-weight:800;line-height:1.3;margin-bottom:10px;color:var(--text)}
.section-sub{font-size:1rem;color:var(--text-light);max-width:660px;margin-bottom:40px;line-height:1.7}
.section-header-center{text-align:center}
.section-header-center .section-sub{margin-left:auto;margin-right:auto}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:44px 0 0}
.stat-card{background:#fff;border-radius:var(--radius);padding:30px 24px;text-align:center;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--transition);position:relative;overflow:hidden}
.stat-card::after{content:'';position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:opacity .3s}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.stat-card:hover::after{opacity:1}
.stat-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;background:linear-gradient(135deg,rgba(30,64,175,.08),rgba(59,130,246,.12));color:var(--primary);font-size:1.2rem}
.stat-num{font-size:2.2rem;font-weight:800;color:var(--primary);line-height:1.15}
.stat-label{font-size:.875rem;color:var(--text-light);margin-top:4px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-item{background:#fff;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);transition:var(--transition);box-shadow:var(--shadow-sm)}
.card-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.card-cover{position:relative;height:200px;overflow:hidden}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card-item:hover .card-cover img{transform:scale(1.05)}
.card-cover .tag{position:absolute;top:16px;left:16px;background:var(--accent);color:#1e293b;font-size:.8rem;font-weight:700;padding:4px 14px;border-radius:999px;backdrop-filter:blur(4px);box-shadow:0 4px 12px rgba(0,0,0,.15)}
.card-body{padding:24px}
.card-body h3{font-size:1.18rem;font-weight:700;margin-bottom:8px}
.card-body p{font-size:.9rem;color:var(--text-light);line-height:1.7;margin-bottom:16px}
.card-link{display:inline-flex;align-items:center;gap:8px;font-size:.875rem;font-weight:700;color:var(--primary);transition:var(--transition)}
.card-link:hover{gap:12px}
.split-section{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.split-image img{width:100%;height:100%;object-fit:cover;min-height:340px}
.split-content h3{font-size:1.45rem;font-weight:700;margin-bottom:18px;line-height:1.35}
.feature-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.feature-list li{display:flex;align-items:flex-start;gap:14px;background:#fff;padding:16px 20px;border-radius:14px;border:1px solid var(--border);transition:var(--transition)}
.feature-list li:hover{border-color:var(--primary-light);box-shadow:var(--shadow-sm)}
.feature-list li i{color:var(--primary);margin-top:4px;font-size:1.1rem}
.feature-list li b{display:block;font-size:.95rem;margin-bottom:2px}
.feature-list li span{font-size:.85rem;color:var(--text-light);line-height:1.6}
.timeline{position:relative;display:grid;gap:20px;padding-left:36px;margin:0}
.timeline::before{content:'';position:absolute;left:14px;top:0;bottom:0;width:3px;background:linear-gradient(to bottom,var(--primary-light),var(--accent));border-radius:3px}
.timeline-step{position:relative;background:#fff;border-radius:var(--radius);border:1px solid var(--border);padding:22px 26px;box-shadow:var(--shadow-sm);transition:var(--transition)}
.timeline-step:hover{box-shadow:var(--shadow);transform:translateX(4px)}
.timeline-step::before{content:attr(data-step);position:absolute;left:-36px;top:22px;width:30px;height:30px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;font-size:.8rem;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 4px rgba(59,130,246,.2)}
.timeline-step h4{font-size:1.05rem;font-weight:700;margin-bottom:6px}
.timeline-step p{font-size:.875rem;color:var(--text-light);margin:0;line-height:1.6}
.bg-dark-section{background:linear-gradient(135deg,var(--dark-bg),var(--primary-dark));color:#fff}
.bg-dark-section .section-title{color:#fff}
.bg-dark-section .section-sub{color:#cbd5e1}
.bg-dark-section .section-label{color:var(--accent-light)}
.bg-dark-section .timeline-step{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.1);box-shadow:none}
.bg-dark-section .timeline-step h4{color:#fff}
.bg-dark-section .timeline-step p{color:#94a3b8}
.bg-dark-section .timeline::before{background:linear-gradient(to bottom,var(--primary-light),var(--accent))}
.bg-dark-section .timeline-step::before{background:var(--accent);color:#1e293b}
.faq-list{max-width:800px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--primary-light)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;font-weight:700;font-size:1rem;cursor:pointer;transition:var(--transition);gap:16px}
.faq-q:hover{background:rgba(59,130,246,.04)}
.faq-q i{color:var(--primary);transition:transform .3s ease;flex-shrink:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{padding:0 24px 18px;font-size:.9rem;color:var(--text-light);line-height:1.7}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-item.open .faq-a{max-height:500px}
.cta-section{padding:84px 0;background:linear-gradient(135deg,rgba(15,23,42,.82),rgba(30,64,175,.68)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;background-blend-mode:overlay;color:#fff;text-align:center}
.cta-section h2{font-size:2.1rem;font-weight:800;margin-bottom:16px}
.cta-section p{font-size:1.1rem;opacity:.85;max-width:560px;margin:0 auto 32px;line-height:1.7}
.site-footer{background:var(--dark-bg);color:#cbd5e1;padding:60px 0 0}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand p{margin-top:12px;font-size:.9rem;opacity:.7;line-height:1.7}
.footer-brand .brand-logo{font-size:1.35rem;color:#fff;-webkit-text-fill-color:#fff;background:none}
.footer-col h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:16px}
.footer-col a{display:block;padding:6px 0;color:#94a3b8;font-size:.9rem;transition:var(--transition)}
.footer-col a:hover{color:#fff;transform:translateX(4px)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px 0;font-size:.85rem;color:#64748b;flex-wrap:wrap}
.footer-bottom a{color:#94a3b8}
.footer-bottom a:hover{color:#fff}
@media (max-width:1024px){.container{padding:0 20px}.stats-grid{grid-template-columns:repeat(2,1fr)}.card-grid{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1fr 1fr}}
@media (max-width:768px){.header-inner{height:64px}.brand-logo{font-size:1.2rem}.nav-link{padding:8px 12px;font-size:.8rem}.page-hero{padding:64px 0}.page-hero h1{font-size:1.9rem}.section{padding:56px 0}.section-title{font-size:1.6rem}.card-grid{grid-template-columns:1fr}.split-section{grid-template-columns:1fr;gap:32px}.stats-grid{gap:16px}.footer-top{grid-template-columns:1fr;gap:32px}.cta-section h2{font-size:1.6rem}}
@media (max-width:520px){.container{padding:0 16px}.header-inner{height:60px;gap:6px}.brand-logo{font-size:.95rem}.nav-link{padding:6px 10px;font-size:.72rem;gap:4px}.nav-link i{font-size:.72rem}.page-hero{padding:52px 0}.page-hero h1{font-size:1.5rem}.page-hero p{font-size:.92rem}.stats-grid{grid-template-columns:1fr}.hero-btn-group{flex-direction:column}.btn{width:100%;justify-content:center}.section-title{font-size:1.35rem}.section-sub{font-size:.9rem}.timeline{padding-left:30px}.timeline-step{padding:16px 18px}.timeline-step::before{left:-30px;width:24px;height:24px;font-size:.7rem}}

/* roulang page: article */
:root {
  --primary: #1e5eff;
  --primary-dark: #0b3ec7;
  --primary-light: #4f9fff;
  --accent: #ff5a3c;
  --accent-soft: #fff1ed;
  --navy: #0b1633;
  --navy-2: #101f42;
  --ice: #d7eeff;
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #1a2340;
  --muted: #64748b;
  --border: #e3eaf1;
  --radius: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow: 0 14px 34px rgba(11, 22, 51, 0.07);
  --shadow-md: 0 18px 44px rgba(11, 22, 51, 0.12);
  --shadow-lg: 0 28px 64px rgba(11, 22, 51, 0.16);
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  line-height: 1.7;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button, input, textarea, select { font: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid rgba(30, 94, 255, 0.45);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: min(100% - 48px, 1200px) !important;
  margin-left: auto !important;
  margin-right: auto !important;
  max-width: none !important;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(227, 234, 241, 0.8);
}
.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 74px;
  gap: 20px;
}
.nav-side { display: flex; align-items: center; gap: 6px; }
.nav-left { justify-content: flex-start; }
.nav-right { justify-content: flex-end; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  border: 1px solid transparent;
  transition: all var(--transition);
}
.nav-link i { font-size: 14px; }
.nav-link:hover { background: #eef4ff; color: var(--primary); transform: translateY(-1px); }
.nav-link:active { transform: scale(0.97); }
.nav-link.active {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  box-shadow: 0 10px 24px rgba(30, 94, 255, 0.32);
}
.nav-link.active:hover { color: #fff; }
.brand-logo {
  font-family: "Arial Black", "PingFang SC", sans-serif;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
  background: linear-gradient(135deg, #0b3ec7 0%, #1e5eff 55%, #4f9fff 100%);
  padding: 9px 20px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 10px 24px rgba(30, 94, 255, 0.35);
  transition: all var(--transition);
}
.brand-logo:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(30, 94, 255, 0.46); }

/* ========== Article Hero ========== */
.article-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 88px 0 78px;
  overflow: hidden;
  color: #fff;
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(8, 20, 48, 0.94) 0%, rgba(12, 42, 102, 0.84) 52%, rgba(28, 78, 160, 0.6) 100%);
}
.article-hero::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -120px;
  top: -120px;
  background: radial-gradient(circle, rgba(79, 159, 255, 0.5), transparent 65%);
  border-radius: 50%;
  filter: blur(10px);
}
.article-hero .container { position: relative; z-index: 3; }
.bread-crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  opacity: 0.85;
  margin-bottom: 22px;
}
.bread-crumb a:hover { color: var(--ice); }
.bread-crumb i { font-size: 11px; }
.article-title {
  font-size: clamp(30px, 4.4vw, 46px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.01em;
  max-width: 820px;
  margin-bottom: 22px;
}
.article-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
  backdrop-filter: blur(6px);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.live-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #34d399;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

/* ========== Article Main ========== */
.article-main {
  padding: 64px 0 88px;
  background: var(--bg);
}
.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  gap: 40px;
  align-items: start;
}
.article-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 46px 50px;
  overflow: hidden;
}
.article-excerpt {
  background: linear-gradient(135deg, #eef4ff, #f7fbff);
  border: 1px solid #d9e7ff;
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin-bottom: 30px;
}
.excerpt-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(30, 94, 255, 0.1);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.article-excerpt p { font-size: 15.5px; color: #33415c; margin: 0; }
.article-body { font-size: 16.5px; line-height: 1.95; color: #26304a; }
.article-body > * { margin-bottom: 20px; }
.article-body h2 {
  font-size: 26px;
  margin-top: 40px;
  font-weight: 800;
  color: var(--navy);
  padding-bottom: 12px;
  position: relative;
}
.article-body h2::after {
  content: "";
  display: block;
  width: 44px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}
.article-body h3 { font-size: 20px; margin-top: 30px; font-weight: 700; color: var(--navy); }
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 18px 0 24px; padding-left: 24px; }
.article-body ul { list-style: disc; }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  padding: 16px 22px;
  border-radius: 0 12px 12px 0;
  color: #6b3c30;
}
.article-body img { border-radius: 16px; margin: 28px auto; box-shadow: var(--shadow); }
.article-body a { color: var(--primary); font-weight: 600; border-bottom: 1px solid var(--primary); }

.article-footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  border-top: 1px dashed var(--border);
  margin-top: 36px;
  padding-top: 24px;
}
.tag-line { display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.tag-chip {
  display: inline-block;
  background: #f1f5f9;
  padding: 5px 13px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 12.5px;
  color: var(--primary-dark);
  transition: all var(--transition);
}
.tag-chip:hover { background: var(--primary); color: #fff; }
.share-row { display: inline-flex; gap: 8px; }
.share-btn {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #f1f5f9;
  color: var(--text);
  font-size: 14px;
  transition: all var(--transition);
}
.share-btn:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

.content-missing { text-align: center; padding: 70px 24px; }
.missing-icon {
  font-size: 48px;
  color: #b6c2d9;
  display: block;
  margin-bottom: 18px;
}
.content-missing h3 { font-size: 26px; font-weight: 800; color: var(--navy); margin-bottom: 10px; }
.content-missing p { color: var(--muted); margin-bottom: 26px; }

/* ========== Sidebar ========== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 96px;
}
.side-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
}
.side-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 18px;
}
.side-card h3 i { color: var(--primary); }
.side-list { display: flex; flex-direction: column; gap: 4px; }
.side-list li { margin: 0; }
.side-list a {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 10px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--text);
  transition: all var(--transition);
}
.side-list a:hover { background: #eef4ff; color: var(--primary); transform: translateX(4px); }
.side-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 7px;
  flex-shrink: 0;
}
.side-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, #eef4ff, #f7fbff);
  border: 1px solid #d9e7ff;
  font-weight: 700;
  font-size: 14.5px;
  color: var(--primary-dark);
  transition: all var(--transition);
}
.side-nav-link:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.empty-tip-mini { font-size: 13.5px; color: var(--muted); padding: 12px 4px; text-align: center; }
.side-cta { text-align: center; }
.side-cta img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.side-cta h3 { justify-content: center; margin-bottom: 8px; }
.side-cta p { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.btn-block { width: 100%; }

/* ========== Buttons ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  border: 0;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(30, 94, 255, 0.3);
  transition: all var(--transition);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(30, 94, 255, 0.4); color: #fff; }
.btn-primary:active { transform: translateY(0) scale(0.97); }
.btn-light { background: #fff; color: var(--primary); box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15); }
.btn-light:hover { color: var(--primary-dark); }

/* ========== Section Head ========== */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 40px;
}
.section-head.center { flex-direction: column; align-items: center; text-align: center; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  background: #eaf1ff;
  padding: 6px 16px;
  border-radius: 999px;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.section-tag::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.section-head h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; color: var(--navy); line-height: 1.3; }
.section-head p { color: var(--muted); font-size: 15.5px; max-width: 620px; }
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 14.5px;
  color: var(--primary);
  padding: 12px 22px;
  border-radius: 999px;
  border: 1.5px solid var(--primary);
  transition: all var(--transition);
  white-space: nowrap;
}
.more-link:hover { background: var(--primary); color: #fff; box-shadow: 0 12px 26px rgba(30, 94, 255, 0.3); }

/* ========== Related ========== */
.related-section { padding: 88px 0; background: #fff; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.action-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  display: block;
}
.action-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.action-card .cover { position: relative; height: 190px; overflow: hidden; background: var(--navy); }
.action-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.action-card:hover .cover img { transform: scale(1.06); }
.action-card .cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(11, 22, 51, 0.25));
}
.card-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
  display: inline-block;
  background: rgba(255, 255, 255, 0.92);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 13px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.action-card .info { padding: 22px 24px 24px; }
.action-card h3 { font-size: 18px; font-weight: 700; color: var(--navy); line-height: 1.5; margin-bottom: 8px; transition: color var(--transition); }
.action-card:hover h3 { color: var(--primary); }
.action-card p { font-size: 14px; color: var(--muted); line-height: 1.7; margin-bottom: 16px; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--primary);
  transition: gap 0.3s;
}
.action-card:hover .card-link { gap: 13px; }
.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: var(--muted);
  background: #f8fafc;
  border-radius: var(--radius);
}

/* ========== Path ========== */
.path-section {
  padding: 96px 0;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.path-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  opacity: 0.12;
}
.path-section::after {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 159, 255, 0.28), transparent 70%);
  top: -200px;
  left: -150px;
  filter: blur(8px);
}
.path-section .container { position: relative; z-index: 2; }
.path-section .section-tag { background: rgba(79, 159, 255, 0.16); color: #7db8ff; }
.path-section .section-head h2 { color: #fff; }
.path-section .section-head p { color: #aab8d4; }
.path-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 44px;
}
.path-step {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 30px 26px;
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}
.path-step:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-6px); }
.step-num {
  font-size: 34px;
  font-weight: 800;
  background: linear-gradient(135deg, #7db8ff, #4f9fff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 14px;
}
.path-step h3 { color: #fff; font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.path-step p { color: #aab8d4; font-size: 14px; line-height: 1.75; }

/* ========== FAQ ========== */
.faq-section { padding: 96px 0; background: var(--bg); }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 12px; }
.faq-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 30px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.faq-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.faq-card h3 {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  line-height: 1.5;
}
.faq-card h3 i { color: var(--accent); margin-top: 4px; }
.faq-card p { font-size: 14.5px; color: var(--muted); line-height: 1.8; padding-left: 32px; }

/* ========== CTA ========== */
.cta-band {
  position: relative;
  padding: 96px 0;
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(14, 32, 74, 0.92), rgba(30, 94, 255, 0.82));
}
.cta-band .container { position: relative; z-index: 2; text-align: center; }
.cta-band h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; margin-bottom: 14px; }
.cta-band p { font-size: 16px; color: rgba(255, 255, 255, 0.85); max-width: 560px; margin: 0 auto 32px; }
.cta-form {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.cta-form input {
  flex: 1;
  min-width: 240px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  outline: none;
  font-size: 14.5px;
  transition: all var(--transition);
}
.cta-form input:focus { border-color: #fff; box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.2); }

/* ========== Footer ========== */
.site-footer {
  background: var(--navy);
  color: #b8c3dd;
  padding: 72px 0 0;
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary-light));
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .brand-logo { display: inline-flex; }
.footer-brand p { margin-top: 18px; font-size: 14.5px; line-height: 1.8; color: #8d9bc0; max-width: 320px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.footer-col a {
  color: #8d9bc0;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition);
}
.footer-col a:hover { color: #7db8ff; transform: translateX(4px); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 24px 0;
  font-size: 13px;
  color: #6478a0;
}
.footer-bottom a { color: #7db8ff; }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .article-grid { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .path-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .container { width: min(100% - 32px, 1200px) !important; }
  .header-inner {
    grid-template-columns: 1fr auto;
    min-height: auto;
    padding: 14px 0 12px;
    gap: 10px;
  }
  .nav-left { grid-column: 1; grid-row: 2; justify-content: flex-end; }
  .nav-right { grid-column: 2; grid-row: 2; justify-content: flex-start; }
  .brand-logo { grid-column: 1 / -1; grid-row: 1; justify-self: center; }
  .nav-link { padding: 8px 14px; font-size: 13.5px; }
  .article-hero { padding: 64px 0 56px; }
  .article-card { padding: 28px 24px; border-radius: 16px; }
  .faq-grid { grid-template-columns: 1fr; }
  .cta-form input { min-width: 100%; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .section-head.center { align-items: center; }
}
@media (max-width: 520px) {
  .related-grid { grid-template-columns: 1fr; }
  .path-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .nav-link i { display: none; }
  .action-card .cover { height: 165px; }
}