/* roulang page: index */
:root {
  --primary: #f0b90b;
  --primary-dark: #d4a006;
  --secondary: #00d4ff;
  --bg-dark: #0a0f1e;
  --bg-panel: #131b2e;
  --bg-card: #1a2338;
  --bg-card-hover: #202b45;
  --text-main: #e8ecf4;
  --text-muted: #8894a8;
  --text-soft: #aab4c6;
  --border: rgba(255,255,255,0.08);
  --border-light: rgba(255,255,255,0.14);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.3);
  --shadow-float: 0 16px 44px rgba(0,0,0,0.45);
  --transition: all 0.3s ease;
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--bg-dark);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; }
button { font-family: inherit; }
.container { max-width: 1200px; }

/* ---------- 按钮 ---------- */
.btn-gold {
  background: linear-gradient(135deg, #f0c419, #e0a800);
  color: #0a0f1e;
  border: none;
  font-weight: 700;
  border-radius: 10px;
  padding: 10px 24px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-gold:hover {
  color: #0a0f1e;
  box-shadow: 0 6px 24px rgba(240,196,25,0.4);
  transform: translateY(-2px);
}
.btn-gold:active { transform: translateY(0); box-shadow: 0 3px 12px rgba(240,196,25,0.3); }
.btn-gold.btn-lg { padding: 14px 34px; font-size: 1rem; border-radius: 12px; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-soft);
  font-weight: 600;
  border-radius: 10px;
  padding: 10px 24px;
  transition: var(--transition);
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-outline-light {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-weight: 600;
  border-radius: 10px;
  padding: 14px 34px;
  transition: var(--transition);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

/* ---------- Header / 导航 ---------- */
.site-header {
  position: relative;
  z-index: 1030;
  padding: 18px 0 6px;
}
.header-panel {
  position: relative;
  background: rgba(19, 27, 46, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 10px 14px 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-card);
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #f0c419, #e0a800);
  color: #0a0f1e;
  font-weight: 900;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(240,196,25,0.3);
}
.logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.02em;
}
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link-item {
  padding: 8px 18px;
  border-radius: 10px;
  color: var(--text-soft);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: var(--transition);
}
.nav-link-item:hover {
  color: var(--primary);
  background: rgba(240,185,11,0.08);
  border-color: rgba(240,185,11,0.22);
  transform: translateY(-1px);
}
.nav-link-item.active {
  color: #0a0f1e;
  background: linear-gradient(135deg, #f0c419, #e0a800);
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(240,196,25,0.28);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  background: rgba(255,255,255,0.05);
  color: var(--text-main);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
}
.nav-toggle:hover { border-color: var(--primary); color: var(--primary); }
.mobile-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 12px;
  right: 12px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--shadow-float);
  z-index: 1040;
}
.mobile-menu.open { display: flex; }
.mobile-link {
  display: block;
  padding: 12px 16px;
  border-radius: 10px;
  color: var(--text-soft);
  font-weight: 600;
}
.mobile-link:hover {
  background: rgba(240,185,11,0.08);
  color: var(--primary);
}
.mobile-link.active {
  background: var(--primary);
  color: #0a0f1e;
}

/* ---------- Hero ---------- */
.hero-section {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  padding: 90px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,15,30,0.94) 0%, rgba(10,15,30,0.78) 48%, rgba(10,15,30,0.5) 100%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(240,185,11,0.12);
  border: 1px solid rgba(240,185,11,0.3);
  color: var(--primary);
  border-radius: 100px;
  padding: 7px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}
.hero-content h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.hero-content h1 span {
  color: var(--primary);
}
.hero-content .hero-desc {
  font-size: 1.1rem;
  color: var(--text-soft);
  margin-bottom: 32px;
  max-width: 560px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  background: rgba(19,27,46,0.6);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 10px;
  max-width: 560px;
  backdrop-filter: blur(10px);
}
.stat-item {
  flex: 1;
  min-width: 120px;
  text-align: center;
  padding: 4px 10px;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  bottom: 20%;
  width: 1px;
  background: var(--border);
}
.stat-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--secondary);
  font-family: "DIN Alternate", "Roboto", "SF Mono", monospace;
  line-height: 1.2;
  letter-spacing: 0.02em;
}
.stat-label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ---------- 通用板块 ---------- */
.section-padding { padding: 84px 0; }
.section-padding-sm { padding: 60px 0; }
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(240,185,11,0.1);
  border: 1px solid rgba(240,185,11,0.25);
  color: var(--primary);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
  line-height: 1.3;
}
.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 620px;
  line-height: 1.7;
}
.section-head { margin-bottom: 44px; }

/* ---------- 核心优势卡片 ---------- */
.feature-card {
  background: linear-gradient(160deg, var(--bg-card), var(--bg-panel));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0.4;
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-float);
  transform: translateY(-6px);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(240,185,11,0.12);
  border: 1px solid rgba(240,185,11,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 20px;
  transition: var(--transition);
}
.feature-card:hover .feature-icon {
  background: rgba(240,185,11,0.2);
  transform: scale(1.06);
}
.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}
.feature-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.7;
}

/* ---------- 分类入口 ---------- */
.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: block;
  height: 100%;
  transition: var(--transition);
  position: relative;
}
.category-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-float);
  transform: translateY(-6px);
}
.category-img {
  position: relative;
  height: 178px;
  overflow: hidden;
}
.category-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.category-card:hover .category-img img { transform: scale(1.08); }
.category-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(10,15,30,0.7) 100%);
}
.category-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(10,15,30,0.72);
  border: 1px solid rgba(240,185,11,0.4);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}
.category-body {
  padding: 20px 22px 24px;
}
.category-body h3 {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}
.category-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.6;
}
.category-more {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.category-card:hover .category-more { color: var(--primary); }

/* ---------- 最新资讯 ---------- */
.news-section {
  background: linear-gradient(180deg, var(--bg-dark), #0d1426, var(--bg-dark));
}
.news-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: rgba(19,27,46,0.72);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  transition: var(--transition);
  margin-bottom: 12px;
}
.news-card:hover {
  border-color: rgba(240,185,11,0.3);
  background: rgba(26,35,56,0.85);
  transform: translateX(6px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}
.news-index {
  font-size: 1rem;
  font-weight: 800;
  color: rgba(240,185,11,0.5);
  font-family: "DIN Alternate", "Roboto", monospace;
  flex-shrink: 0;
  width: 28px;
  text-align: center;
  line-height: 1.6;
}
.news-body { flex: 1; min-width: 0; }
.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.news-category {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--secondary);
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.22);
  padding: 2px 10px;
  border-radius: 100px;
  letter-spacing: 0.04em;
}
.news-date {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.news-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
  line-height: 1.4;
  transition: var(--transition);
}
.news-card:hover .news-body h4 { color: var(--primary); }
.news-body p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
}
.featured-panel {
  background: linear-gradient(160deg, var(--bg-card), var(--bg-panel));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: 90px;
  transition: var(--transition);
}
.featured-panel:hover { box-shadow: var(--shadow-float); }
.featured-panel img {
  width: 100%;
  height: 188px;
  object-fit: cover;
}
.featured-panel-body { padding: 22px; }
.featured-panel-body .tag {
  display: inline-block;
  background: rgba(240,185,11,0.12);
  color: var(--primary);
  border: 1px solid rgba(240,185,11,0.3);
  padding: 3px 12px;
  border-radius: 100px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}
.featured-panel-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.4;
}
.featured-panel-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

/* ---------- HUD 数据面板 ---------- */
.hud-panel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 0;
}
.hud-item {
  background: linear-gradient(165deg, #1a2338, #131b2e);
  padding: 38px 24px 32px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}
.hud-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0.55;
  transition: var(--transition);
}
.hud-item:hover::before { opacity: 1; }
.hud-item:hover { background: linear-gradient(165deg, #202b45, #182338); }
.hud-icon {
  font-size: 1.5rem;
  color: var(--secondary);
  margin-bottom: 14px;
  opacity: 0.85;
}
.hud-num {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--text-main);
  font-family: "DIN Alternate", "Roboto", "SF Mono", monospace;
  line-height: 1.1;
}
.hud-num span {
  color: var(--primary);
  font-size: 1.4rem;
  margin-left: 2px;
}
.hud-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 8px;
  letter-spacing: 0.05em;
}

/* ---------- 流程 / 步骤 ---------- */
.step-item {
  background: rgba(19,27,46,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  height: 100%;
  position: relative;
  transition: var(--transition);
}
.step-item:hover {
  border-color: rgba(240,185,11,0.3);
  background: rgba(26,35,56,0.8);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}
.step-num {
  font-size: 2rem;
  font-weight: 800;
  color: rgba(240,185,11,0.35);
  font-family: "DIN Alternate", "Roboto", monospace;
  line-height: 1;
  margin-bottom: 18px;
}
.step-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}
.step-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.7;
}

/* ---------- FAQ ---------- */
.faq-panel {
  background: rgba(19,27,46,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 16px;
  transition: var(--transition);
}
.faq-panel:hover { border-color: var(--border-light); }
.faq-question {
  padding: 20px 26px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question .faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--secondary);
  transition: var(--transition);
}
.faq-question.open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--primary);
  color: var(--primary);
}
.faq-answer {
  display: none;
  padding: 0 26px 22px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 0;
}
.faq-answer p {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-bottom: 0;
}

/* ---------- CTA ---------- */
.cta-section {
  position: relative;
  padding: 70px 0;
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.cta-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10,15,30,0.95), rgba(10,15,30,0.8));
}
.cta-card {
  position: relative;
  z-index: 2;
  background: rgba(19,27,46,0.72);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
  text-align: center;
  backdrop-filter: blur(8px);
  max-width: 760px;
  margin: 0 auto;
}
.cta-card h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}
.cta-card p {
  color: var(--text-soft);
  margin-bottom: 28px;
  line-height: 1.8;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #080d19;
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 24px;
}
.footer-brand {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
}
.footer-brand span { color: var(--primary); }
.footer-about p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 0;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--primary); padding-left: 4px; }
.footer-col p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
  line-height: 1.6;
}
.footer-bottom {
  padding: 18px 0 22px;
  text-align: center;
}
.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 0;
}

/* ---------- 响应式 ---------- */
@media (max-width: 991.98px) {
  .nav-desktop { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .header-cta { display: none; }
  .hero-content h1 { font-size: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .hud-panel { grid-template-columns: 1fr 1fr; }
  .section-padding { padding: 64px 0; }
  .section-title { font-size: 1.7rem; }
}
@media (max-width: 767.98px) {
  .hero-content h1 { font-size: 2rem; }
  .hero-stats { padding: 16px 6px; }
  .stat-num { font-size: 1.5rem; }
  .section-padding { padding: 52px 0; }
  .featured-panel { position: static; margin-top: 20px; }
}
@media (max-width: 575.98px) {
  .header-panel { padding: 10px 12px; }
  .logo-text { font-size: 1.05rem; }
  .hero-content h1 { font-size: 1.7rem; }
  .hero-content .hero-desc { font-size: 0.98rem; }
  .hero-actions .btn-lg { padding: 12px 22px; font-size: 0.9rem; }
  .hero-actions { gap: 10px; }
  .stat-item { min-width: 90px; padding: 4px 6px; }
  .stat-num { font-size: 1.2rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .hud-panel { grid-template-columns: 1fr; }
  .section-title { font-size: 1.45rem; }
  .category-card { margin-bottom: 8px; }
  .cta-card { padding: 30px 20px; }
  .cta-card h2 { font-size: 1.4rem; }
}

/* ---------- 动画 ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-content > * { animation: fadeUp 0.7s ease both; }
.hero-content > *:nth-child(2) { animation-delay: 0.1s; }
.hero-content > *:nth-child(3) { animation-delay: 0.2s; }
.hero-content > *:nth-child(4) { animation-delay: 0.3s; }
.hero-content > *:nth-child(5) { animation-delay: 0.4s; }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root {
  --bg-primary: #0b1522;
  --bg-secondary: #111e2f;
  --bg-panel: rgba(18, 34, 54, 0.82);
  --bg-card: #152438;
  --bg-hover: #1b2e45;
  --accent-gold: #e8b64c;
  --accent-gold-light: #f6cf74;
  --accent-cyan: #22d3ee;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-gold: rgba(232, 182, 76, 0.35);
  --text-light: #eef3f8;
  --text-body: #b7c5d4;
  --text-muted: #7f93a8;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 22px 48px rgba(0, 0, 0, 0.5);
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

/* ========== Reset / Base ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-base);
  background: var(--bg-primary);
  color: var(--text-body);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button {
  border: none;
  background: none;
  font-family: inherit;
  cursor: pointer;
}
input, textarea {
  font-family: inherit;
}
ul, ol {
  list-style: none;
}
h1, h2, h3, h4, h5, h6 {
  color: var(--text-light);
  font-weight: 700;
  line-height: 1.3;
}
.container {
  max-width: 1240px;
  padding-left: 24px;
  padding-right: 24px;
}

/* ========== Header 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(8, 17, 28, 0.9);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-color);
}
.header-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 18px;
  border-bottom: 1px solid transparent;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #d69e2e 100%);
  color: #0b1522;
  font-size: 22px;
  font-weight: 800;
  border-radius: 12px;
  box-shadow: 0 0 0 3px rgba(232, 182, 76, 0.2), 0 6px 18px rgba(232, 182, 76, 0.22);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: 0.5px;
}
.logo-text em {
  font-style: normal;
  color: var(--accent-gold);
}
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 6px;
  border-radius: 14px;
}
.nav-link-item {
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  transition: var(--transition);
}
.nav-link-item:hover {
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.06);
}
.nav-link-item.active {
  color: #0b1522;
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
  font-weight: 600;
  box-shadow: 0 6px 16px rgba(232, 182, 76, 0.25);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  color: var(--text-body);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.btn-ghost:hover {
  color: var(--text-light);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}
.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 22px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #d69e2e 100%);
  color: #0b1522;
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 6px 18px rgba(232, 182, 76, 0.2);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(232, 182, 76, 0.35);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  color: var(--text-light);
  font-size: 18px;
  transition: var(--transition);
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.05);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  border-top: 1px solid var(--border-color);
  background: rgba(11, 21, 34, 0.98);
  border-radius: 0 0 16px 16px;
}
.mobile-menu.open {
  display: flex;
}
.mobile-link {
  padding: 13px 16px;
  border-radius: 10px;
  color: var(--text-body);
  font-size: 15px;
  font-weight: 500;
}
.mobile-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-light);
}
.mobile-link.active {
  background: rgba(232, 182, 76, 0.12);
  color: var(--accent-gold);
}

/* ========== Hero ========== */
.category-hero {
  position: relative;
  padding: 120px 0 90px;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  border-bottom: 1px solid var(--border-color);
}
.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8, 18, 30, 0.94) 0%, rgba(8, 18, 30, 0.78) 55%, rgba(8, 18, 30, 0.55) 100%);
}
.category-hero .container {
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border-radius: 999px;
  background: rgba(232, 182, 76, 0.12);
  border: 1px solid var(--border-gold);
  color: var(--accent-gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 22px;
}
.hero-badge i {
  font-size: 12px;
}
.category-hero h1 {
  font-size: 46px;
  font-weight: 800;
  max-width: 640px;
  margin-bottom: 20px;
  line-height: 1.2;
}
.category-hero h1 span {
  color: var(--accent-gold);
}
.category-hero .lead {
  font-size: 18px;
  color: var(--text-body);
  max-width: 620px;
  margin-bottom: 34px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn-primary-lg {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #d69e2e 100%);
  color: #0b1522;
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(232, 182, 76, 0.22);
}
.btn-primary-lg:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(232, 182, 76, 0.35);
}
.btn-outline-lg {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-light);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.btn-outline-lg:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: rgba(232, 182, 76, 0.08);
  transform: translateY(-3px);
}

/* ========== 通用板块 ========== */
.section {
  padding: 90px 0;
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}
.section-tag {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 999px;
  background: rgba(232, 182, 76, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--accent-gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: 34px;
  margin-bottom: 14px;
}
.section-header p {
  color: var(--text-muted);
  font-size: 16px;
}

/* ========== 分类卡片 ========== */
.category-grid .card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
}
.category-grid .card:hover {
  transform: translateY(-8px);
  border-color: rgba(232, 182, 76, 0.3);
  box-shadow: var(--shadow-hover);
}
.category-grid .card-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.category-grid .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.category-grid .card:hover .card-img img {
  transform: scale(1.05);
}
.category-grid .card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10, 18, 28, 0.6) 100%);
}
.category-grid .card-img .badge-overlay {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(11, 21, 34, 0.85);
  border: 1px solid var(--border-gold);
  color: var(--accent-gold);
  font-size: 12px;
  font-weight: 600;
}
.category-grid .card-body {
  padding: 24px;
}
.category-grid .card-body h3 {
  font-size: 20px;
  margin-bottom: 10px;
}
.category-grid .card-body p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 18px;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-muted);
  font-size: 13px;
}
.card-meta i {
  color: var(--accent-gold);
  font-size: 12px;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-gold);
  font-size: 14px;
  font-weight: 600;
  margin-top: 14px;
}
.card-link:hover {
  gap: 10px;
}

/* ========== 精选内容卡片 ========== */
.guide-grid .guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.guide-grid .guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(34, 211, 238, 0.25);
}
.guide-grid .guide-thumb {
  position: relative;
  height: 190px;
  overflow: hidden;
}
.guide-grid .guide-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.guide-grid .guide-card:hover .guide-thumb img {
  transform: scale(1.04);
}
.guide-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10, 18, 28, 0.55) 100%);
}
.guide-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.35);
  color: var(--accent-cyan);
  font-size: 12px;
  font-weight: 600;
}
.guide-card .guide-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.guide-card .guide-body h3 {
  font-size: 18px;
  margin-bottom: 10px;
  line-height: 1.4;
}
.guide-card .guide-body p {
  color: var(--text-muted);
  font-size: 14px;
  flex: 1;
  margin-bottom: 16px;
}
.guide-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}
.guide-date {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 13px;
}
.guide-date i {
  color: var(--accent-gold);
  font-size: 12px;
}
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--accent-cyan);
  font-size: 13px;
  font-weight: 600;
}
.read-more:hover {
  gap: 9px;
}

/* ========== 流程步骤 ========== */
.process-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.process-grid .step-card {
  position: relative;
  padding: 30px 24px;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  height: 100%;
  transition: var(--transition);
  overflow: hidden;
}
.process-grid .step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-gold), rgba(232, 182, 76, 0.1));
  opacity: 0;
  transition: var(--transition);
}
.process-grid .step-card:hover {
  border-color: rgba(232, 182, 76, 0.25);
  transform: translateY(-4px);
}
.process-grid .step-card:hover::before {
  opacity: 1;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(232, 182, 76, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--accent-gold);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 18px;
}
.process-grid .step-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}
.process-grid .step-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ========== 数据指标 ========== */
.stats-section {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  background-attachment: fixed;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(8, 17, 28, 0.85);
}
.stats-section .container {
  position: relative;
  z-index: 2;
}
.stat-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px 20px;
  text-align: center;
  height: 100%;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}
.stat-item:hover {
  border-color: rgba(232, 182, 76, 0.35);
  transform: translateY(-4px);
}
.stat-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(232, 182, 76, 0.12);
  border: 1px solid var(--border-gold);
  font-size: 20px;
  color: var(--accent-gold);
}
.stat-item .stat-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-light);
  line-height: 1.2;
}
.stat-item .stat-value span {
  color: var(--accent-gold);
}
.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ========== FAQ ========== */
.faq-card {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(232, 182, 76, 0.2);
}
.faq-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px;
  cursor: pointer;
}
.faq-header h3 {
  font-size: 16px;
  margin: 0;
  font-weight: 600;
}
.faq-header .faq-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(232, 182, 76, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--accent-gold);
  font-size: 14px;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--accent-gold);
  color: #0b1522;
}
.faq-body {
  display: none;
  padding: 0 26px 24px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}
.faq-item.open .faq-body {
  display: block;
}

/* ========== CTA ========== */
.cta-section {
  padding: 80px 0;
  position: relative;
  background: var(--bg-secondary);
}
.cta-panel {
  position: relative;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}
.cta-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8, 17, 28, 0.92) 0%, rgba(8, 17, 28, 0.72) 60%, rgba(8, 17, 28, 0.45) 100%);
}
.cta-panel .cta-content {
  position: relative;
  z-index: 2;
  max-width: 560px;
}
.cta-panel h2 {
  font-size: 32px;
  margin-bottom: 14px;
}
.cta-panel p {
  color: var(--text-body);
  font-size: 16px;
  margin-bottom: 28px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ========== Footer ========== */
.site-footer {
  background: #081220;
  border-top: 1px solid var(--border-color);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 0.9fr 1fr;
  gap: 44px;
  padding-bottom: 48px;
}
.footer-brand {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 14px;
}
.footer-brand span {
  color: var(--accent-gold);
}
.footer-about p {
  color: var(--text-muted);
  font-size: 14px;
  max-width: 320px;
  line-height: 1.8;
}
.footer-col h4 {
  color: var(--text-light);
  font-size: 16px;
  margin-bottom: 18px;
  position: relative;
  display: inline-block;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--accent-gold);
  border-radius: 2px;
}
.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 14px;
  padding: 5px 0;
}
.footer-col a:hover {
  color: var(--accent-gold);
  padding-left: 6px;
}
.footer-col p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 8px;
}
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: 22px 0;
  text-align: center;
}
.footer-bottom p {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0;
}
.footer-bottom a {
  color: var(--accent-gold);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .category-hero { padding: 100px 0 70px; }
  .category-hero h1 { font-size: 38px; }
  .section { padding: 70px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .stat-item .stat-value { font-size: 28px; }
}
@media (max-width: 768px) {
  .header-panel { min-height: 68px; }
  .nav-desktop { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn-ghost { display: none !important; }
  .category-hero { padding: 80px 0 60px; }
  .category-hero h1 { font-size: 32px; }
  .category-hero .lead { font-size: 16px; }
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 36px; }
  .section-header h2 { font-size: 28px; }
  .process-grid .step-card { margin-bottom: 18px; }
  .cta-panel { padding: 40px 24px; }
  .cta-panel h2 { font-size: 26px; }
  .stats-section { background-attachment: scroll; }
  .stat-item { margin-bottom: 16px; }
}
@media (max-width: 520px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .header-actions .btn-gold { padding: 8px 14px; font-size: 13px; }
  .logo-text { font-size: 17px; }
  .logo-icon { width: 36px; height: 36px; font-size: 18px; }
  .category-hero h1 { font-size: 28px; }
  .hero-actions .btn-primary-lg,
  .hero-actions .btn-outline-lg { width: 100%; justify-content: center; padding: 13px 20px; font-size: 14px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .category-grid .card-img { height: 170px; }
  .guide-grid .guide-thumb { height: 170px; }
  .faq-header h3 { font-size: 15px; }
  .faq-header, .faq-body { padding-left: 20px; padding-right: 20px; }
  .cta-panel { padding: 32px 20px; }
  .cta-actions .btn-primary-lg,
  .cta-actions .btn-outline-lg { width: 100%; justify-content: center; }
}

/* roulang page: article */
:root {
  --primary: #f0b90b;
  --primary-dark: #c99604;
  --primary-light: #ffd766;
  --bg-dark: #0b0f1a;
  --bg-panel: #111827;
  --bg-card: #1a2332;
  --bg-card-hover: #1f2b3f;
  --text-main: #eef2f6;
  --text-muted: #8b95a7;
  --text-soft: #aab4c4;
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.14);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.25);
  --spacer: 5rem;
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .25s ease, background .25s ease, box-shadow .25s ease, border-color .25s ease, transform .25s ease; }
a:hover { color: var(--primary-light); }
ul, ol { list-style: none; }
.container { max-width: 1280px; padding-left: 1.5rem; padding-right: 1.5rem; }

/* ---------- Buttons ---------- */
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  background: linear-gradient(135deg, #f7c94b 0%, var(--primary) 45%, #dca205 100%);
  color: #0a0e17;
  font-weight: 700;
  font-size: .95rem;
  padding: .65rem 1.5rem;
  border: none;
  border-radius: 50px;
  transition: all .3s ease;
  box-shadow: 0 6px 20px rgba(240, 185, 11, .25);
  letter-spacing: .02em;
}
.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(240, 185, 11, .35);
  color: #0a0e17;
}
.btn-gold:focus-visible,
.btn-outline-light:focus-visible,
.btn-ghost:focus-visible {
  outline: 3px solid rgba(240, 185, 11, .55);
  outline-offset: 3px;
}
.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border: 1px solid rgba(255,255,255,.35);
  color: #fff;
  background: transparent;
  font-weight: 600;
  font-size: .95rem;
  padding: .65rem 1.5rem;
  border-radius: 50px;
  transition: all .3s ease;
}
.btn-outline-light:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(240, 185, 11, .06);
  transform: translateY(-3px);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .55rem 1.1rem;
  border: 1px solid var(--border-light);
  border-radius: 50px;
  color: var(--text-soft);
  font-weight: 500;
  font-size: .9rem;
  background: transparent;
  transition: all .25s ease;
}
.btn-ghost:hover {
  color: var(--primary);
  border-color: rgba(240,185,11,.4);
  background: rgba(240,185,11,.05);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  padding: 1rem 0 .5rem;
  background: linear-gradient(180deg, rgba(11,15,26,.96) 60%, rgba(11,15,26,.7));
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(255,255,255,.03);
  background: linear-gradient(120deg, rgba(255,255,255,.05) 0%, rgba(255,255,255,.01) 60%);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: .7rem 1.4rem;
  box-shadow: var(--shadow-sm);
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
}
.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #ffd766, var(--primary) 60%, #b8860b);
  color: #0b0f1a;
  font-weight: 800;
  font-size: 1.5rem;
  box-shadow: 0 4px 16px rgba(240,185,11,.35);
  font-family: Georgia, "Times New Roman", serif;
}
.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: .03em;
  white-space: nowrap;
}
.logo-text span { color: var(--primary); }
.nav-desktop {
  display: flex;
  align-items: center;
  gap: .35rem;
  background: rgba(0,0,0,.25);
  padding: .3rem;
  border-radius: 14px;
  border: 1px solid var(--border);
}
.nav-link-item {
  padding: .55rem 1.15rem;
  border-radius: 10px;
  font-size: .93rem;
  font-weight: 500;
  color: var(--text-soft);
  transition: all .25s ease;
}
.nav-link-item:hover {
  color: #fff;
  background: rgba(240,185,11,.12);
}
.nav-link-item.active {
  background: linear-gradient(135deg, rgba(240,185,11,.9), rgba(200,140,5,.9));
  color: #0a0e17;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(240,185,11,.3);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  color: #fff;
  width: 42px;
  height: 42px;
  font-size: 1.2rem;
  align-items: center;
  justify-content: center;
  transition: all .25s ease;
}
.nav-toggle:hover { border-color: var(--primary); color: var(--primary); }
.mobile-menu {
  display: none;
  margin-top: .8rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: .8rem;
  gap: .4rem;
}
.mobile-menu.open { display: flex; flex-direction: column; }
.mobile-link {
  padding: .7rem 1rem;
  border-radius: 10px;
  color: var(--text-soft);
  font-weight: 500;
  font-size: .95rem;
  transition: all .25s ease;
}
.mobile-link:hover { color: #fff; background: rgba(255,255,255,.05); }
.mobile-link.active { background: rgba(240,185,11,.14); color: var(--primary); font-weight: 700; }

/* ---------- Article Hero ---------- */
.article-hero {
  position: relative;
  padding: 9.5rem 0 5rem;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,15,26,.7) 0%, rgba(11,15,26,.82) 55%, #0b0f1a 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.badge-gold {
  display: inline-block;
  background: rgba(240,185,11,.16);
  border: 1px solid rgba(240,185,11,.35);
  color: var(--primary-light);
  padding: .35rem 1.1rem;
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .08em;
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}
.article-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.35;
  color: #fff;
  margin-bottom: 1.2rem;
  text-shadow: 0 4px 30px rgba(0,0,0,.4);
  letter-spacing: .02em;
}
.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .8rem;
  flex-wrap: wrap;
  color: var(--text-soft);
  font-size: .92rem;
}
.hero-meta i { color: var(--primary); margin-right: .35rem; }
.meta-dot { opacity: .6; }

/* ---------- Breadcrumb ---------- */
.breadcrumb-bar {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.015);
}
.breadcrumb-bar .container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .4rem;
  font-size: .9rem;
  color: var(--text-muted);
}
.breadcrumb-bar a { color: var(--text-muted); transition: color .25s ease; }
.breadcrumb-bar a:hover { color: var(--primary); }
.bread-sep { color: rgba(255,255,255,.25); }
.bread-current {
  color: var(--text-soft);
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- Article Section ---------- */
.article-section {
  padding: 3.5rem 0 2rem;
}
.article-main .article-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.article-cover {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}
.article-body {
  padding: 2.2rem 2.5rem 1.5rem;
}
.article-body p {
  color: rgba(255,255,255,.86);
  font-size: 1.02rem;
  line-height: 1.9;
  margin-bottom: 1.5rem;
}
.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin: 2.2rem 0 1.1rem;
  padding-left: 1rem;
  border-left: 4px solid var(--primary);
  border-radius: 0 6px 6px 0;
}
.article-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin: 1.8rem 0 .9rem;
}
.article-body h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary-light);
  margin: 1.4rem 0 .7rem;
}
.article-body ul, .article-body ol {
  margin-bottom: 1.5rem;
  padding-left: .2rem;
}
.article-body ul li, .article-body ol li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: .6rem;
  color: rgba(255,255,255,.82);
}
.article-body ul li::before {
  content: "";
  position: absolute;
  left: .1rem;
  top: .7rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px rgba(240,185,11,.5);
}
.article-body ol { counter-reset: listCounter; }
.article-body ol li::before {
  content: counter(listCounter) ".";
  counter-increment: listCounter;
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
  font-weight: 700;
  font-size: .95rem;
}
.article-body blockquote {
  background: rgba(240,185,11,.08);
  border-left: 4px solid var(--primary);
  padding: 1.1rem 1.5rem;
  border-radius: 0 14px 14px 0;
  margin: 1.6rem 0;
  color: rgba(255,255,255,.75);
  font-style: italic;
}
.article-body img {
  border-radius: var(--radius);
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
}
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }
.article-body a:hover { color: var(--primary-light); }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: .95rem;
}
.article-body table th, .article-body table td {
  border: 1px solid var(--border-light);
  padding: .6rem 1rem;
  color: rgba(255,255,255,.85);
}
.article-body table th {
  background: rgba(240,185,11,.1);
  color: var(--primary-light);
  font-weight: 600;
}

/* ---------- Tags ---------- */
.article-tags {
  padding: 1.2rem 2.5rem 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  border-top: 1px solid var(--border);
}
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  padding: .4rem 1rem;
  border-radius: 50px;
  font-size: .85rem;
  color: var(--text-soft);
  transition: all .25s ease;
}
.tag-chip:hover {
  border-color: rgba(240,185,11,.4);
  color: var(--primary-light);
  background: rgba(240,185,11,.07);
  cursor: default;
}

/* ---------- Not Found ---------- */
.article-notfound {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 5rem 2rem;
  text-align: center;
  box-shadow: var(--shadow);
}
.article-notfound i {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 1rem;
  opacity: .7;
}
.article-notfound h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: .8rem;
}
.article-notfound p {
  color: var(--text-muted);
  margin-bottom: 1.8rem;
}

/* ---------- Sidebar ---------- */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.side-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.8rem 1.6rem;
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
}
.side-card:hover {
  border-color: rgba(240,185,11,.25);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.side-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: .8rem;
  padding-bottom: .7rem;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.side-card h3::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 42px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}
.side-card a.side-link {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .55rem .5rem;
  border-radius: 10px;
  color: var(--text-soft);
  font-size: .93rem;
  transition: all .25s ease;
}
.side-card a.side-link i {
  width: 28px;
  color: var(--primary);
  text-align: center;
}
.side-card a.side-link:hover {
  background: rgba(240,185,11,.08);
  color: #fff;
  padding-left: .8rem;
}
.side-card p {
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.7;
  margin-bottom: .4rem;
}
.side-cta {
  background: linear-gradient(145deg, rgba(240,185,11,.12), rgba(11,15,26,.2) 50%);
  border-color: rgba(240,185,11,.25);
  text-align: center;
}
.side-cta h3 { color: var(--primary-light); }
.side-cta .btn-gold {
  width: 100%;
  margin-top: .8rem;
  font-size: .9rem;
}

/* ---------- FAQ Section ---------- */
.faq-section {
  padding: 4.5rem 0 3rem;
}
.section-header {
  text-align: center;
  margin-bottom: 2.8rem;
}
.section-tag {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--primary);
  background: rgba(240,185,11,.1);
  border: 1px solid rgba(240,185,11,.25);
  padding: .3rem 1.2rem;
  border-radius: 50px;
  margin-bottom: .8rem;
}
.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: .6rem;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto;
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.6rem 1.8rem;
  transition: all .3s ease;
}
.faq-item:hover {
  border-color: rgba(240,185,11,.3);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}
.faq-item h4 {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: .6rem;
  display: flex;
  align-items: flex-start;
  gap: .5rem;
}
.faq-item h4 i {
  color: var(--primary);
  font-size: 1rem;
  margin-top: .2rem;
}
.faq-item p {
  color: var(--text-muted);
  font-size: .92rem;
  line-height: 1.75;
  margin: 0;
  padding-left: 1.5rem;
}

/* ---------- CTA Section ---------- */
.cta-section {
  position: relative;
  padding: 5.5rem 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-top: 2rem;
}
.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,15,26,.9), rgba(11,15,26,.78) 50%, rgba(11,15,26,.92));
}
.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
}
.cta-section h2 {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: .8rem;
}
.cta-section p {
  color: var(--text-soft);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #080c14;
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}
.footer-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: .8rem;
}
.footer-brand span { color: var(--primary); }
.footer-about p {
  color: var(--text-muted);
  font-size: .92rem;
  line-height: 1.8;
  max-width: 320px;
}
.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: .5rem;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
}
.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: .9rem;
  padding: .3rem 0;
  transition: all .25s ease;
}
.footer-col a:hover { color: var(--primary); padding-left: .35rem; }
.footer-col p {
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.8;
  margin-bottom: .3rem;
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.2rem 0;
  text-align: center;
}
.footer-bottom p {
  color: var(--text-muted);
  font-size: .85rem;
  margin: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 1199.98px) {
  .article-sidebar { margin-top: .5rem; }
}
@media (max-width: 991.98px) {
  :root { --spacer: 3.5rem; }
  .article-hero { padding: 7.5rem 0 3.5rem; }
  .article-hero h1 { font-size: 2rem; }
  .article-body { padding: 1.8rem 1.8rem 1.2rem; }
  .article-tags { padding: 1rem 1.8rem 1.6rem; }
  .faq-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .nav-desktop { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: flex; flex-direction: column; }
  .header-actions .btn-ghost { display: none !important; }
}
@media (max-width: 767.98px) {
  .article-hero { padding: 7rem 0 3rem; }
  .article-hero h1 { font-size: 1.6rem; }
  .hero-meta { font-size: .85rem; gap: .6rem; }
  .article-section { padding: 2.5rem 0 1.5rem; }
  .article-cover { max-height: 260px; }
  .article-body { padding: 1.4rem 1.2rem 1rem; font-size: .95rem; }
  .article-body p { font-size: .95rem; }
  .article-body h2 { font-size: 1.25rem; }
  .article-tags { padding: .9rem 1.2rem 1.4rem; }
  .faq-grid { grid-template-columns: 1fr; }
  .faq-item { padding: 1.2rem 1.3rem; }
  .cta-section { padding: 4rem 0; }
  .cta-section h2 { font-size: 1.5rem; }
  .cta-section p { font-size: .95rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .footer-about p { max-width: 100%; }
  .breadcrumb-bar .container { font-size: .85rem; }
  .header-panel { padding: .6rem 1rem; }
  .logo-text { font-size: 1.05rem; }
  .logo-icon { width: 36px; height: 36px; font-size: 1.2rem; }
  .btn-gold { padding: .55rem 1.2rem; font-size: .9rem; }
  .header-actions .btn-gold { font-size: .82rem; padding: .5rem 1rem; }
}
@media (max-width: 575.98px) {
  .container { padding-left: 1.1rem; padding-right: 1.1rem; }
  .article-sidebar { margin-top: 0; }
  .bread-current { max-width: 170px; }
  .article-notfound { padding: 3.5rem 1.2rem; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons .btn { width: 100%; max-width: 280px; }
  .faq-item h4 { font-size: .95rem; }
}