/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0b1628;
  --primary-light: #132238;
  --primary-lighter: #1a2d4a;
  --accent: #d4a030;
  --accent-hover: #e8b840;
  --accent-dim: #b8891e;
  --accent-glow: rgba(212, 160, 48, 0.15);
  --text: #f0f2f5;
  --text-muted: #8fa0bc;
  --text-dim: #5e6f8a;
  --bg-body: #070e1a;
  --bg-card: #132238;
  --bg-card-hover: #1a2d4a;
  --bg-section-alt: #0b1628;
  --border: #1e3350;
  --border-light: #2a4060;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
  --shadow: 0 8px 32px rgba(0,0,0,0.35);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.45);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}

/* ===== 基础重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-body);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text); }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.6rem); }
h4 { font-size: 1.15rem; }
p { margin-bottom: 1rem; color: var(--text-muted); }
p:last-child { margin-bottom: 0; }
::selection { background: var(--accent); color: #0b1628; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* ===== 导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(11, 22, 40, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(30, 51, 80, 0.5);
  transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled { background: rgba(7, 14, 26, 0.97); box-shadow: 0 4px 30px rgba(0,0,0,0.4); }
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.logo i { color: var(--accent); font-size: 1.5rem; }
.logo:hover { color: var(--accent); }
.logo span { background: linear-gradient(135deg, var(--accent), #f0c860); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav a i { font-size: 0.85rem; opacity: 0.6; }
.nav a:hover { color: var(--text); background: rgba(212, 160, 48, 0.08); }
.nav a.active { color: var(--accent); background: rgba(212, 160, 48, 0.12); }
.nav a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover)) !important;
  color: #0b1628 !important;
  font-weight: 700 !important;
  padding: 8px 22px !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: 0 4px 15px rgba(212, 160, 48, 0.25);
}
.nav-cta i { color: #0b1628 !important; opacity: 1 !important; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 25px rgba(212, 160, 48, 0.35) !important; color: #0b1628 !important; }

/* 移动端菜单按钮 */
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; }
.menu-toggle span {
  display: block;
  width: 28px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(11, 22, 40, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px 24px;
    gap: 6px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    opacity: 0;
    transition: all 0.4s ease;
    pointer-events: none;
    box-shadow: var(--shadow-lg);
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav a { width: 100%; justify-content: center; padding: 12px 18px; font-size: 1rem; }
  .nav a.active::after { display: none; }
  .nav a.active { background: rgba(212, 160, 48, 0.15); border-left: 3px solid var(--accent); }
  .nav-cta { margin-top: 8px; }
}

/* ===== 首屏 Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7,14,26,0.88) 0%, rgba(7,14,26,0.60) 50%, rgba(7,14,26,0.40) 100%);
  z-index: 1;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg-body), transparent);
  z-index: 2;
}
.hero .container { position: relative; z-index: 3; }
.hero-content { max-width: 780px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212, 160, 48, 0.15);
  border: 1px solid rgba(212, 160, 48, 0.25);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}
.hero-badge i { font-size: 0.75rem; }
.hero h1 {
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  line-height: 1.15;
}
.hero h1 span { background: linear-gradient(135deg, var(--accent), #f0c860); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
  line-height: 1.2;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #0b1628;
  box-shadow: 0 4px 20px rgba(212, 160, 48, 0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(212, 160, 48, 0.35); color: #0b1628; }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border-light);
}
.btn-secondary:hover { background: rgba(255,255,255,0.05); border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: rgba(212, 160, 48, 0.1); transform: translateY(-2px); }
.btn-lg { padding: 16px 40px; font-size: 1.1rem; border-radius: var(--radius); }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.hero-stat { text-align: left; }
.hero-stat .num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}
.hero-stat .num i { color: var(--accent); font-size: 1.4rem; margin-right: 6px; }
.hero-stat .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

@media (max-width: 768px) {
  .hero { min-height: 90vh; padding: 100px 0 60px; }
  .hero-stats { gap: 24px; margin-top: 40px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
}

/* ===== 通用板块 ===== */
.section {
  padding: 80px 0;
}
.section-alt { background: var(--bg-section-alt); }
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-header h2 { margin-bottom: 16px; }
.section-header p { color: var(--text-muted); font-size: 1.1rem; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(212, 160, 48, 0.1);
  border: 1px solid rgba(212, 160, 48, 0.15);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-tag i { font-size: 0.7rem; }

@media (max-width: 768px) { .section { padding: 56px 0; } .section-header { margin-bottom: 40px; } }

/* ===== 特色卡片 ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateY(-4px); box-shadow: var(--shadow); }
.feature-card:hover::before { opacity: 1; }
.feature-card .icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(212, 160, 48, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 20px;
  transition: all var(--transition);
}
.feature-card:hover .icon { background: rgba(212, 160, 48, 0.18); transform: scale(1.05); }
.feature-card h3 { margin-bottom: 10px; font-size: 1.2rem; }
.feature-card p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 0; }

@media (max-width: 992px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .features-grid { grid-template-columns: 1fr; } }

/* ===== 分类入口 ===== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.category-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.category-card .bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.category-card .bg-img img { width: 100%; height: 100%; object-fit: cover; }
.category-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,14,26,0.92) 0%, rgba(7,14,26,0.30) 60%, rgba(7,14,26,0.10) 100%);
  z-index: 1;
}
.category-card .content {
  position: relative;
  z-index: 2;
  padding: 32px 28px;
  width: 100%;
}
.category-card .content .tag {
  display: inline-block;
  background: rgba(212, 160, 48, 0.2);
  backdrop-filter: blur(4px);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 12px;
  border: 1px solid rgba(212, 160, 48, 0.15);
}
.category-card .content h3 { font-size: 1.5rem; margin-bottom: 8px; }
.category-card .content p { font-size: 0.92rem; color: rgba(255,255,255,0.65); margin-bottom: 16px; max-width: 360px; }
.category-card .content .btn { font-size: 0.88rem; padding: 10px 24px; }

@media (max-width: 768px) {
  .categories-grid { grid-template-columns: 1fr; gap: 20px; }
  .category-card { min-height: 240px; }
  .category-card .content { padding: 24px 20px; }
  .category-card .content h3 { font-size: 1.25rem; }
}

/* ===== 资讯列表（CMS） ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateY(-2px); box-shadow: var(--shadow); }
.news-card .meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.82rem;
  color: var(--text-dim);
}
.news-card .meta .cat {
  background: rgba(212, 160, 48, 0.1);
  color: var(--accent);
  padding: 2px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
}
.news-card .meta time { display: flex; align-items: center; gap: 4px; }
.news-card h3 { font-size: 1.1rem; margin-bottom: 10px; line-height: 1.4; }
.news-card h3 a { color: var(--text); }
.news-card h3 a:hover { color: var(--accent); }
.news-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 16px; flex: 1; }
.news-card .read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}
.news-card .read-more:hover { gap: 10px; }
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-size: 1rem;
}

@media (max-width: 768px) { .news-grid { grid-template-columns: 1fr; } }

/* ===== 数据统计 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 20px;
  transition: all var(--transition);
}
.stat-item:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateY(-2px); }
.stat-item .icon {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 16px;
}
.stat-item .num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-item .label {
  font-size: 0.88rem;
  color: var(--text-muted);
}
@media (max-width: 992px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .stats-grid { grid-template-columns: 1fr; } }

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: var(--border-light); }
.faq-item.active { border-color: rgba(212, 160, 48, 0.3); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--accent); }
.faq-question i { color: var(--accent); font-size: 0.85rem; transition: transform var(--transition); flex-shrink: 0; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}
.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 24px 20px;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, rgba(212,160,48,0.08) 0%, rgba(212,160,48,0.02) 100%);
  border-top: 1px solid rgba(212,160,48,0.08);
  border-bottom: 1px solid rgba(212,160,48,0.08);
}
.cta-box {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-box h2 { margin-bottom: 16px; }
.cta-box p { font-size: 1.08rem; margin-bottom: 32px; }
.cta-box .btn-group { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

/* ===== 页脚 ===== */
.footer {
  background: var(--primary);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo { font-size: 1.2rem; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; color: var(--text-muted); max-width: 320px; }
.footer-brand .social { display: flex; gap: 12px; margin-top: 20px; }
.footer-brand .social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  transition: all var(--transition);
}
.footer-brand .social a:hover { background: rgba(212,160,48,0.12); border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.footer-col h4 { font-size: 0.95rem; margin-bottom: 18px; color: var(--text); }
.footer-col a {
  display: block;
  padding: 4px 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: all var(--transition);
}
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.footer-bottom a { color: var(--text-dim); }
.footer-bottom a:hover { color: var(--accent); }

@media (max-width: 992px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ===== 辅助类 ===== */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.gap-16 { gap: 16px; }
.fade-in { animation: fadeInUp 0.6s ease forwards; opacity: 0; }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-1 { animation-delay: 0.1s; }
.fade-in-2 { animation-delay: 0.2s; }
.fade-in-3 { animation-delay: 0.3s; }

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
    :root {
        --primary: #e63946;
        --primary-dark: #c1121f;
        --primary-light: #f1faee;
        --secondary: #1d3557;
        --secondary-light: #457b9d;
        --accent: #f4a261;
        --bg-dark: #0b0f1a;
        --bg-section: #f8f9fc;
        --bg-card: #ffffff;
        --text-primary: #1a1a2e;
        --text-secondary: #4a4a6a;
        --text-light: #8a8aaa;
        --text-white: #ffffff;
        --border-color: rgba(0, 0, 0, 0.08);
        --radius-sm: 8px;
        --radius-md: 16px;
        --radius-lg: 24px;
        --radius-xl: 32px;
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
        --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
        --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
        --shadow-hover: 0 16px 48px rgba(230, 57, 70, 0.20);
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        --container-max: 1200px;
        --header-height: 72px;
    }

    /* ===== Reset & Base ===== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-primary);
        background: var(--bg-dark);
        padding-top: var(--header-height);
        overflow-x: hidden;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: var(--radius-sm);
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: var(--transition);
    }
    button,
    input,
    textarea {
        font-family: inherit;
        font-size: inherit;
        border: none;
        outline: none;
        transition: var(--transition);
    }
    ul,
    ol {
        list-style: none;
    }
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        line-height: 1.3;
        font-weight: 700;
        color: var(--text-primary);
    }

    /* ===== Container ===== */
    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ===== Header / Nav ===== */
    .header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 999;
        height: var(--header-height);
        background: rgba(11, 15, 26, 0.92);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        transition: var(--transition);
    }
    .header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
    }
    .header .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 22px;
        font-weight: 800;
        color: var(--text-white);
        letter-spacing: -0.5px;
    }
    .header .logo i {
        color: var(--primary);
        font-size: 26px;
    }
    .header .logo span {
        background: linear-gradient(135deg, #fff 60%, var(--primary-light));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .nav {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .nav a {
        padding: 8px 18px;
        border-radius: 50px;
        font-size: 15px;
        font-weight: 500;
        color: rgba(255, 255, 255, 0.7);
        transition: var(--transition);
        position: relative;
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .nav a i {
        font-size: 14px;
    }
    .nav a:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.08);
    }
    .nav a.active {
        color: #fff;
        background: var(--primary);
        box-shadow: 0 4px 20px rgba(230, 57, 70, 0.4);
    }
    .nav a.active:hover {
        background: var(--primary-dark);
        transform: translateY(-1px);
    }
    .nav a.nav-cta {
        background: var(--primary);
        color: #fff;
        padding: 8px 24px;
        margin-left: 8px;
        font-weight: 600;
        box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
    }
    .nav a.nav-cta:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 30px rgba(230, 57, 70, 0.5);
    }
    .nav-toggle {
        display: none;
        background: none;
        color: #fff;
        font-size: 24px;
        cursor: pointer;
        padding: 8px;
        border-radius: 8px;
    }
    .nav-toggle:hover {
        background: rgba(255, 255, 255, 0.08);
    }

    /* ===== Mobile Nav ===== */
    @media (max-width: 768px) {
        .nav-toggle {
            display: block;
        }
        .nav {
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(11, 15, 26, 0.98);
            backdrop-filter: blur(20px);
            flex-direction: column;
            padding: 16px 20px 24px;
            gap: 4px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transform: translateY(-110%);
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
        }
        .nav.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .nav a {
            padding: 12px 16px;
            font-size: 16px;
            width: 100%;
            border-radius: 12px;
        }
        .nav a.nav-cta {
            margin-left: 0;
            margin-top: 8px;
            text-align: center;
            justify-content: center;
        }
    }

    /* ===== Hero Banner (内页) ===== */
    .page-hero {
        position: relative;
        min-height: 360px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, #0b0f1a 0%, #1a1a2e 50%, #16213e 100%);
        overflow: hidden;
        padding: 80px 0 60px;
    }
    .page-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.20;
        mix-blend-mode: overlay;
    }
    .page-hero::after {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at 30% 50%, rgba(230, 57, 70, 0.15) 0%, transparent 60%),
            radial-gradient(ellipse at 70% 50%, rgba(69, 123, 157, 0.10) 0%, transparent 60%);
    }
    .page-hero .container {
        position: relative;
        z-index: 2;
        text-align: center;
    }
    .page-hero h1 {
        font-size: 48px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: -1px;
        text-shadow: 0 2px 40px rgba(0, 0, 0, 0.3);
    }
    .page-hero h1 i {
        color: var(--primary);
        margin-right: 12px;
    }
    .page-hero p {
        font-size: 18px;
        color: rgba(255, 255, 255, 0.75);
        max-width: 680px;
        margin: 0 auto 24px;
        line-height: 1.7;
    }
    .page-hero .hero-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }
    .page-hero .hero-tags span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 18px;
        border-radius: 50px;
        font-size: 14px;
        font-weight: 500;
        background: rgba(255, 255, 255, 0.10);
        color: rgba(255, 255, 255, 0.85);
        border: 1px solid rgba(255, 255, 255, 0.08);
        backdrop-filter: blur(10px);
    }
    .page-hero .hero-tags span i {
        color: var(--primary);
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.5);
        margin-bottom: 24px;
    }
    .breadcrumb a {
        color: rgba(255, 255, 255, 0.6);
    }
    .breadcrumb a:hover {
        color: #fff;
    }
    .breadcrumb .sep {
        color: rgba(255, 255, 255, 0.3);
    }
    .breadcrumb .current {
        color: var(--primary);
    }

    @media (max-width: 768px) {
        .page-hero {
            min-height: 280px;
            padding: 60px 0 40px;
        }
        .page-hero h1 {
            font-size: 32px;
        }
        .page-hero p {
            font-size: 16px;
        }
        .page-hero .hero-tags span {
            font-size: 13px;
            padding: 4px 14px;
        }
    }
    @media (max-width: 520px) {
        .page-hero h1 {
            font-size: 26px;
        }
        .page-hero .hero-tags span {
            font-size: 12px;
            padding: 4px 12px;
        }
    }

    /* ===== Section通用 ===== */
    .section {
        padding: 80px 0;
        background: var(--bg-section);
    }
    .section-dark {
        background: var(--bg-dark);
        color: var(--text-white);
    }
    .section-dark h2,
    .section-dark h3,
    .section-dark h4 {
        color: #fff;
    }
    .section-dark .section-subtitle {
        color: rgba(255, 255, 255, 0.65);
    }
    .section-title {
        font-size: 34px;
        font-weight: 800;
        text-align: center;
        margin-bottom: 12px;
        letter-spacing: -0.5px;
    }
    .section-title i {
        color: var(--primary);
        margin-right: 10px;
    }
    .section-subtitle {
        font-size: 17px;
        color: var(--text-secondary);
        text-align: center;
        max-width: 620px;
        margin: 0 auto 48px;
        line-height: 1.7;
    }
    .section-header {
        text-align: center;
        margin-bottom: 48px;
    }
    .section-header .section-title {
        margin-bottom: 12px;
    }

    @media (max-width: 768px) {
        .section {
            padding: 56px 0;
        }
        .section-title {
            font-size: 26px;
        }
        .section-subtitle {
            font-size: 15px;
            margin-bottom: 32px;
        }
    }

    /* ===== 赛事分类频道 ===== */
    .channels {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: 16px;
        margin-bottom: 48px;
    }
    .channel-card {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 24px 16px;
        text-align: center;
        cursor: pointer;
        transition: var(--transition);
        border: 2px solid transparent;
        box-shadow: var(--shadow-sm);
    }
    .channel-card:hover {
        border-color: var(--primary);
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
    }
    .channel-card.active {
        border-color: var(--primary);
        background: var(--primary-light);
    }
    .channel-card i {
        font-size: 32px;
        color: var(--primary);
        margin-bottom: 10px;
    }
    .channel-card h4 {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-primary);
    }
    .channel-card p {
        font-size: 13px;
        color: var(--text-light);
        margin-top: 4px;
    }

    @media (max-width: 520px) {
        .channels {
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .channel-card {
            padding: 18px 12px;
        }
        .channel-card i {
            font-size: 26px;
        }
        .channel-card h4 {
            font-size: 14px;
        }
    }

    /* ===== 赛事卡片网格 ===== */
    .card-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 24px;
    }
    .card-grid.cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .card-grid.cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    .card-grid.cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .event-card {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
        border: 1px solid var(--border-color);
    }
    .event-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(230, 57, 70, 0.2);
    }
    .event-card .card-img {
        position: relative;
        aspect-ratio: 16 / 10;
        overflow: hidden;
        background: #e0e0e0;
    }
    .event-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: var(--transition);
    }
    .event-card:hover .card-img img {
        transform: scale(1.05);
    }
    .event-card .card-img .badge {
        position: absolute;
        top: 12px;
        left: 12px;
        background: var(--primary);
        color: #fff;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 14px;
        border-radius: 50px;
        box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
    }
    .event-card .card-img .badge.hot {
        background: #f4a261;
    }
    .event-card .card-img .badge.live {
        background: #2a9d8f;
        animation: pulse-badge 2s infinite;
    }
    @keyframes pulse-badge {
        0%,
        100% {
            box-shadow: 0 0 0 0 rgba(42, 157, 143, 0.4);
        }
        50% {
            box-shadow: 0 0 0 10px rgba(42, 157, 143, 0);
        }
    }
    .event-card .card-body {
        padding: 20px 20px 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .event-card .card-body .meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 13px;
        color: var(--text-light);
        margin-bottom: 10px;
    }
    .event-card .card-body .meta i {
        margin-right: 4px;
        color: var(--primary);
    }
    .event-card .card-body h3 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 8px;
        color: var(--text-primary);
        line-height: 1.35;
    }
    .event-card .card-body p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.6;
        flex: 1;
        margin-bottom: 16px;
    }
    .event-card .card-body .card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 12px;
        border-top: 1px solid var(--border-color);
    }
    .event-card .card-body .card-footer .tag {
        font-size: 12px;
        padding: 4px 12px;
        border-radius: 50px;
        background: rgba(230, 57, 70, 0.08);
        color: var(--primary);
        font-weight: 500;
    }
    .event-card .card-body .card-footer .tag i {
        margin-right: 4px;
    }
    .event-card .card-body .card-footer a {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .event-card .card-body .card-footer a:hover {
        gap: 10px;
        color: var(--primary-dark);
    }

    .btn-more-wrap {
        text-align: center;
        margin-top: 40px;
    }
    .btn-outline {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 36px;
        border-radius: 50px;
        font-size: 16px;
        font-weight: 600;
        border: 2px solid var(--primary);
        color: var(--primary);
        background: transparent;
        cursor: pointer;
        transition: var(--transition);
    }
    .btn-outline:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 30px rgba(230, 57, 70, 0.3);
    }

    @media (max-width: 768px) {
        .card-grid {
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 18px;
        }
        .card-grid.cols-2,
        .card-grid.cols-3,
        .card-grid.cols-4 {
            grid-template-columns: 1fr;
        }
        .event-card .card-body h3 {
            font-size: 16px;
        }
    }
    @media (max-width: 520px) {
        .card-grid {
            grid-template-columns: 1fr;
        }
    }

    /* ===== 统计数字 ===== */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 24px;
        text-align: center;
    }
    .stat-item {
        padding: 32px 20px;
        background: rgba(255, 255, 255, 0.04);
        border-radius: var(--radius-md);
        border: 1px solid rgba(255, 255, 255, 0.06);
        transition: var(--transition);
    }
    .stat-item:hover {
        background: rgba(255, 255, 255, 0.08);
        transform: translateY(-4px);
    }
    .stat-item .num {
        font-size: 42px;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.2;
        margin-bottom: 4px;
    }
    .stat-item .num i {
        font-size: 32px;
        margin-right: 8px;
        opacity: 0.7;
    }
    .stat-item .label {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.7);
        font-weight: 500;
    }

    @media (max-width: 520px) {
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .stat-item .num {
            font-size: 32px;
        }
        .stat-item .label {
            font-size: 14px;
        }
    }

    /* ===== 热门排行 ===== */
    .rank-list {
        counter-reset: rank;
        display: flex;
        flex-direction: column;
        gap: 12px;
        max-width: 800px;
        margin: 0 auto;
    }
    .rank-item {
        display: flex;
        align-items: center;
        gap: 16px;
        background: var(--bg-card);
        border-radius: var(--radius-sm);
        padding: 16px 20px;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        border: 1px solid var(--border-color);
        counter-increment: rank;
    }
    .rank-item:hover {
        transform: translateX(6px);
        box-shadow: var(--shadow-md);
        border-color: rgba(230, 57, 70, 0.15);
    }
    .rank-item .rank-num {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: var(--primary-light);
        color: var(--primary);
        font-weight: 800;
        font-size: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }
    .rank-item:nth-child(1) .rank-num {
        background: var(--primary);
        color: #fff;
    }
    .rank-item:nth-child(2) .rank-num {
        background: #f4a261;
        color: #fff;
    }
    .rank-item:nth-child(3) .rank-num {
        background: var(--secondary-light);
        color: #fff;
    }
    .rank-item .rank-info {
        flex: 1;
    }
    .rank-item .rank-info h4 {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 2px;
    }
    .rank-item .rank-info p {
        font-size: 13px;
        color: var(--text-light);
    }
    .rank-item .rank-hot {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .rank-item .rank-hot i {
        font-size: 16px;
    }

    @media (max-width: 520px) {
        .rank-item {
            padding: 12px 14px;
            gap: 12px;
        }
        .rank-item .rank-info h4 {
            font-size: 14px;
        }
        .rank-item .rank-hot {
            font-size: 12px;
        }
    }

    /* ===== 赛事流程 ===== */
    .flow-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 24px;
        position: relative;
    }
    .flow-step {
        text-align: center;
        padding: 32px 20px;
        background: rgba(255, 255, 255, 0.04);
        border-radius: var(--radius-md);
        border: 1px solid rgba(255, 255, 255, 0.06);
        transition: var(--transition);
        position: relative;
    }
    .flow-step:hover {
        background: rgba(255, 255, 255, 0.08);
        transform: translateY(-4px);
    }
    .flow-step .step-icon {
        width: 60px;
        height: 60px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 16px;
        font-size: 26px;
        color: #fff;
        box-shadow: 0 8px 24px rgba(230, 57, 70, 0.25);
    }
    .flow-step .step-num {
        position: absolute;
        top: 12px;
        right: 16px;
        font-size: 48px;
        font-weight: 900;
        color: rgba(255, 255, 255, 0.04);
        line-height: 1;
    }
    .flow-step h4 {
        font-size: 18px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 8px;
    }
    .flow-step p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.6);
        line-height: 1.6;
    }

    @media (max-width: 520px) {
        .flow-grid {
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .flow-step {
            padding: 24px 16px;
        }
        .flow-step h4 {
            font-size: 16px;
        }
    }

    /* ===== FAQ ===== */
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: var(--bg-card);
        border-radius: var(--radius-sm);
        border: 1px solid var(--border-color);
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-item:hover {
        border-color: rgba(230, 57, 70, 0.15);
    }
    .faq-item .faq-q {
        padding: 18px 24px;
        font-size: 16px;
        font-weight: 600;
        color: var(--text-primary);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        transition: var(--transition);
        user-select: none;
        background: transparent;
        width: 100%;
        text-align: left;
    }
    .faq-item .faq-q:hover {
        color: var(--primary);
    }
    .faq-item .faq-q i {
        transition: var(--transition);
        color: var(--primary);
        font-size: 14px;
    }
    .faq-item .faq-q.open i {
        transform: rotate(180deg);
    }
    .faq-item .faq-a {
        padding: 0 24px 18px;
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.7;
        display: none;
    }
    .faq-item .faq-a.open {
        display: block;
    }
    .faq-item .faq-a p {
        margin-bottom: 8px;
    }
    .faq-item .faq-a p:last-child {
        margin-bottom: 0;
    }

    @media (max-width: 520px) {
        .faq-item .faq-q {
            padding: 14px 16px;
            font-size: 15px;
        }
        .faq-item .faq-a {
            padding: 0 16px 14px;
            font-size: 14px;
        }
    }

    /* ===== CTA ===== */
    .cta-section {
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        padding: 80px 0;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
        opacity: 0.10;
        mix-blend-mode: overlay;
    }
    .cta-section .container {
        position: relative;
        z-index: 2;
    }
    .cta-section h2 {
        font-size: 36px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 12px;
        letter-spacing: -0.5px;
    }
    .cta-section p {
        font-size: 18px;
        color: rgba(255, 255, 255, 0.85);
        max-width: 560px;
        margin: 0 auto 32px;
        line-height: 1.7;
    }
    .cta-section .btn-cta {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 16px 48px;
        border-radius: 50px;
        font-size: 18px;
        font-weight: 700;
        background: #fff;
        color: var(--primary);
        transition: var(--transition);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    }
    .cta-section .btn-cta:hover {
        transform: translateY(-4px) scale(1.02);
        box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
        background: var(--primary-light);
    }
    .cta-section .btn-cta i {
        transition: var(--transition);
    }
    .cta-section .btn-cta:hover i {
        transform: translateX(4px);
    }

    @media (max-width: 768px) {
        .cta-section {
            padding: 56px 0;
        }
        .cta-section h2 {
            font-size: 28px;
        }
        .cta-section p {
            font-size: 16px;
        }
        .cta-section .btn-cta {
            padding: 14px 36px;
            font-size: 16px;
        }
    }

    /* ===== Footer ===== */
    .footer {
        background: #0b0f1a;
        color: rgba(255, 255, 255, 0.7);
        padding: 60px 0 30px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }
    .footer .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 24px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.2fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand .logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 22px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
    }
    .footer-brand .logo i {
        color: var(--primary);
    }
    .footer-brand p {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(255, 255, 255, 0.55);
        margin-bottom: 20px;
        max-width: 360px;
    }
    .footer .social {
        display: flex;
        gap: 12px;
    }
    .footer .social a {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.06);
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255, 255, 255, 0.6);
        font-size: 18px;
        transition: var(--transition);
    }
    .footer .social a:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-3px);
        box-shadow: 0 8px 24px rgba(230, 57, 70, 0.3);
    }
    .footer-col h4 {
        font-size: 16px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 16px;
    }
    .footer-col a {
        display: block;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.55);
        padding: 6px 0;
        transition: var(--transition);
    }
    .footer-col a:hover {
        color: var(--primary);
        padding-left: 4px;
    }
    .footer-col a i {
        width: 20px;
        margin-right: 6px;
        color: var(--primary);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding-top: 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.4);
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.5);
    }
    .footer-bottom a:hover {
        color: var(--primary);
    }

    @media (max-width: 768px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px 24px;
        }
        .footer-brand {
            grid-column: 1 / -1;
        }
        .footer-brand p {
            max-width: 100%;
        }
    }
    @media (max-width: 520px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .footer {
            padding: 40px 0 20px;
        }
    }

    /* ===== 工具类 ===== */
    .text-center {
        text-align: center;
    }
    .mt-16 {
        margin-top: 16px;
    }
    .mt-24 {
        margin-top: 24px;
    }
    .mt-32 {
        margin-top: 32px;
    }
    .mt-48 {
        margin-top: 48px;
    }
    .mb-16 {
        margin-bottom: 16px;
    }
    .mb-24 {
        margin-bottom: 24px;
    }
    .mb-32 {
        margin-bottom: 32px;
    }
    .gap-8 {
        gap: 8px;
    }
    .gap-12 {
        gap: 12px;
    }
    .flex-center {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* ===== 响应式断点整体微调 ===== */
    @media (max-width: 1024px) {
        .card-grid.cols-4 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.cols-3 {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 520px) {
        .card-grid.cols-4,
        .card-grid.cols-3,
        .card-grid.cols-2 {
            grid-template-columns: 1fr;
        }
        .channels {
            grid-template-columns: repeat(2, 1fr);
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .flow-grid {
            grid-template-columns: 1fr;
        }
    }

/* roulang page: article */
/* ===== Design Variables ===== */
:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --primary-light: #ff6b6b;
  --secondary: #1d3557;
  --secondary-light: #2b4d7a;
  --accent: #f4a261;
  --bg-dark: #0a0e17;
  --bg-card: #111827;
  --bg-section: #0f1724;
  --bg-light: #1a2332;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #1e293b;
  --border-light: #2d3a4e;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --header-h: 72px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--header-h);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
a:focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; border-radius: 4px; }
button, input, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }

/* ===== Container ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header & Nav ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary) !important;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.logo i { color: var(--primary); font-size: 1.6rem; }
.logo span { background: linear-gradient(135deg, var(--text-primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav a {
  padding: 8px 18px;
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav a i { margin-right: 6px; font-size: 0.85rem; }
.nav a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.nav a.active { color: var(--primary); background: rgba(230,57,70,0.12); }
.nav a.nav-cta {
  background: var(--primary);
  color: #fff !important;
  border-radius: var(--radius-xs);
  padding: 8px 22px;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(230,57,70,0.35);
}
.nav a.nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 24px rgba(230,57,70,0.45); }
.nav-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.6rem; cursor: pointer; padding: 4px; }

/* ===== Article Page ===== */
.article-hero {
  position: relative;
  padding: 60px 0 40px;
  background: linear-gradient(135deg, var(--bg-section) 0%, var(--bg-dark) 100%);
  border-bottom: 1px solid var(--border-color);
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.08;
  pointer-events: none;
}
.article-hero .container { position: relative; z-index: 1; }
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.article-breadcrumb a { color: var(--text-muted); }
.article-breadcrumb a:hover { color: var(--primary-light); }
.article-breadcrumb .sep { color: var(--text-muted); opacity: 0.5; }
.article-breadcrumb .current { color: var(--text-secondary); }
.article-hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.25;
  max-width: 900px;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.92rem;
  color: var(--text-muted);
}
.article-meta .cat {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  background: rgba(230,57,70,0.15);
  color: var(--primary-light);
  font-weight: 600;
  font-size: 0.82rem;
}
.article-meta .date i { margin-right: 6px; }
.article-body {
  padding: 50px 0 70px;
  background: var(--bg-dark);
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}
.article-main {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 40px 44px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}
.article-cover {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-bottom: 32px;
  overflow: hidden;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--bg-light);
}
.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}
.article-content p { margin-bottom: 1.4em; }
.article-content h2, .article-content h3 { color: var(--text-primary); margin-top: 1.8em; margin-bottom: 0.8em; }
.article-content h2 { font-size: 1.6rem; }
.article-content h3 { font-size: 1.25rem; }
.article-content img { border-radius: var(--radius-sm); margin: 1.6em 0; }
.article-content ul, .article-content ol { padding-left: 1.5em; margin-bottom: 1.4em; }
.article-content li { margin-bottom: 0.5em; list-style: disc; }
.article-content a { color: var(--primary-light); text-decoration: underline; text-underline-offset: 3px; }
.article-content blockquote {
  border-left: 4px solid var(--primary);
  padding: 16px 24px;
  margin: 1.6em 0;
  background: rgba(230,57,70,0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
  font-style: italic;
}
.article-footer-bar {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.article-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.article-tags .tag {
  padding: 4px 14px;
  border-radius: 20px;
  background: var(--bg-light);
  color: var(--text-muted);
  font-size: 0.82rem;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.article-tags .tag:hover { background: rgba(230,57,70,0.1); color: var(--primary-light); border-color: var(--primary); }
.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.article-share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-light);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== Sidebar ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.sidebar-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}
.sidebar-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-card h3 i { color: var(--primary); }
.sidebar-list { display: flex; flex-direction: column; gap: 16px; }
.sidebar-list li { }
.sidebar-list a {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  color: var(--text-secondary);
  transition: var(--transition);
  padding: 8px;
  border-radius: var(--radius-xs);
  margin: -8px;
}
.sidebar-list a:hover { background: rgba(255,255,255,0.04); color: var(--text-primary); }
.sidebar-list .thumb {
  width: 72px;
  height: 54px;
  border-radius: var(--radius-xs);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-light);
}
.sidebar-list .info { flex: 1; min-width: 0; }
.sidebar-list .info .title { font-size: 0.92rem; font-weight: 600; color: var(--text-primary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.4; }
.sidebar-list .info .date { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; display: block; }
.sidebar-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  border: none;
}
.sidebar-cta h3 { color: #fff; font-size: 1.15rem; margin-bottom: 8px; border-bottom: none; padding-bottom: 0; justify-content: center; }
.sidebar-cta p { color: rgba(255,255,255,0.85); font-size: 0.92rem; margin-bottom: 20px; }
.sidebar-cta .btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: var(--radius-xs);
  background: #fff;
  color: var(--primary) !important;
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.sidebar-cta .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.3); }

/* ===== Related Section ===== */
.related-section {
  padding: 60px 0 80px;
  background: var(--bg-section);
  border-top: 1px solid var(--border-color);
}
.related-section .section-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 36px;
  text-align: center;
}
.related-section .section-title i { color: var(--primary); margin-right: 12px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.related-card:hover { transform: translateY(-4px); border-color: var(--primary); box-shadow: var(--shadow); }
.related-card .thumb {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--bg-light);
}
.related-card .body { padding: 20px 22px 24px; }
.related-card .body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .body h3 a { color: var(--text-primary); }
.related-card .body h3 a:hover { color: var(--primary-light); }
.related-card .body p { font-size: 0.88rem; color: var(--text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.related-card .body .meta { font-size: 0.8rem; color: var(--text-muted); display: flex; align-items: center; gap: 14px; }
.related-card .body .meta .cat { color: var(--primary-light); font-weight: 600; }

/* ===== Not Found ===== */
.not-found-box {
  text-align: center;
  padding: 80px 20px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}
.not-found-box i { font-size: 4rem; color: var(--text-muted); margin-bottom: 24px; display: block; }
.not-found-box h2 { font-size: 2rem; margin-bottom: 12px; }
.not-found-box p { color: var(--text-muted); margin-bottom: 28px; font-size: 1.05rem; }
.not-found-box .btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: var(--radius-xs);
  background: var(--primary);
  color: #fff !important;
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(230,57,70,0.3);
}
.not-found-box .btn:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ===== Footer ===== */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
}
.footer-brand .logo { font-size: 1.3rem; margin-bottom: 16px; display: inline-flex; }
.footer-brand p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; max-width: 360px; margin-bottom: 20px; }
.social { display: flex; gap: 12px; }
.social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-light);
  color: var(--text-secondary);
  font-size: 1.15rem;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.social a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }
.footer-col h4 { font-size: 1rem; font-weight: 700; margin-bottom: 18px; color: var(--text-primary); }
.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 5px 0;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-col a i { width: 20px; color: var(--primary); margin-right: 6px; }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-secondary); }
.footer-bottom a:hover { color: var(--primary-light); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: rgba(10,14,23,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 16px 24px 24px; border-bottom: 1px solid var(--border-color); gap: 4px; }
  .nav.open { display: flex; }
  .nav a { width: 100%; padding: 12px 16px; }
  .nav a.nav-cta { text-align: center; }
  .nav-toggle { display: block; }
  .article-hero { padding: 40px 0 28px; }
  .article-hero h1 { font-size: 1.7rem; }
  .article-main { padding: 24px 20px; }
  .article-content { font-size: 0.98rem; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .sidebar-list a .thumb { width: 60px; height: 44px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .article-hero h1 { font-size: 1.4rem; }
  .article-meta { gap: 12px; font-size: 0.82rem; }
  .article-main { padding: 16px 14px; }
  .article-content { font-size: 0.92rem; }
  .article-footer-bar { flex-direction: column; align-items: flex-start; }
  .sidebar-card { padding: 20px; }
  .related-card .body { padding: 16px; }
  .not-found-box { padding: 40px 16px; }
  .not-found-box h2 { font-size: 1.4rem; }
  .logo { font-size: 1.1rem; }
  .logo i { font-size: 1.3rem; }
}

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2b4d7a;
            --accent: #f4a261;
            --accent-light: #f9c78a;
            --bg-dark: #0f1419;
            --bg-card: #1a2332;
            --bg-section: #131c2b;
            --bg-light: #eef2f7;
            --text-light: #f1f5f9;
            --text-muted: #94a3b8;
            --text-dark: #1e293b;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: #dee2e6;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 56px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-light);
            background: var(--bg-dark);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            color: var(--text-light);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 48px;
            line-height: 1.8;
        }
        .text-center {
            text-align: center;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
            background: var(--primary);
            color: #fff;
            margin-bottom: 12px;
        }
        .badge-secondary {
            background: var(--secondary-light);
        }
        .badge-accent {
            background: var(--accent);
            color: #1a1a2e;
        }
        .divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 0 auto 20px;
        }
        .divider-left {
            margin: 0 0 20px 0;
        }

        /* ===== Header & Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(15, 20, 25, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .header.scrolled {
            background: rgba(15, 20, 25, 0.98);
            box-shadow: var(--shadow-sm);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
        }
        .logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .logo span {
            background: linear-gradient(135deg, #f1f5f9 0%, #94a3b8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav a {
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .nav a i {
            font-size: 0.85rem;
        }
        .nav a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.35);
        }
        .nav a.active:hover {
            background: var(--primary-dark);
        }
        .nav-cta {
            background: var(--primary) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 8px 24px !important;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            transform: translateY(-1px);
            box-shadow: 0 6px 28px rgba(230, 57, 70, 0.4) !important;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            background: none;
            border: none;
        }
        .hamburger span {
            width: 26px;
            height: 2px;
            background: var(--text-light);
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Hero / Banner ===== */
        .banner {
            padding-top: var(--nav-height);
            min-height: 420px;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 20, 25, 0.92) 0%, rgba(15, 20, 25, 0.6) 50%, rgba(15, 20, 25, 0.4) 100%);
            z-index: 1;
        }
        .banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 80%, rgba(230, 57, 70, 0.15), transparent 60%);
            z-index: 0;
        }
        .banner .container {
            position: relative;
            z-index: 2;
            padding-top: 40px;
            padding-bottom: 40px;
        }
        .banner-content {
            max-width: 700px;
        }
        .banner-content .badge {
            background: rgba(230, 57, 70, 0.2);
            border: 1px solid rgba(230, 57, 70, 0.3);
            color: var(--primary-light);
            backdrop-filter: blur(4px);
        }
        .banner-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #f1f5f9 0%, #94a3b8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .banner-content p {
            font-size: 1.15rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 580px;
        }
        .banner-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 100px;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(230, 57, 70, 0.4);
            background: var(--primary-dark);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-light);
            border: 2px solid rgba(255, 255, 255, 0.2);
            box-shadow: none;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(230, 57, 70, 0.1);
            box-shadow: none;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 0.9rem;
        }

        /* ===== Category Intro ===== */
        .category-intro {
            background: var(--bg-section);
            border-bottom: 1px solid var(--border-color);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4/3;
            background: var(--bg-card);
        }
        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .intro-image:hover img {
            transform: scale(1.03);
        }
        .intro-text h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-light);
        }
        .intro-text p {
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
            font-size: 1.05rem;
        }
        .intro-stats {
            display: flex;
            gap: 32px;
            margin-top: 28px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
        }
        .stat-item {
            text-align: center;
        }
        .stat-item .number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== Guide Cards ===== */
        .guides-section {
            background: var(--bg-dark);
        }
        .guides-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .guide-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }
        .guide-card:hover::before {
            transform: scaleX(1);
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(230, 57, 70, 0.2);
        }
        .guide-card .icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: rgba(230, 57, 70, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .guide-card:hover .icon {
            background: var(--primary);
            color: #fff;
        }
        .guide-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-light);
        }
        .guide-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .guide-card .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .guide-card .tags span {
            padding: 4px 12px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
        }

        /* ===== Programs / Plans ===== */
        .programs-section {
            background: var(--bg-section);
        }
        .programs-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .program-card {
            display: flex;
            gap: 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .program-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(230, 57, 70, 0.15);
        }
        .program-card .thumb {
            width: 160px;
            min-height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-dark);
        }
        .program-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .program-card:hover .thumb img {
            transform: scale(1.05);
        }
        .program-card .info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .program-card .info .badge-sm {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 100px;
            font-size: 0.7rem;
            font-weight: 600;
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            margin-bottom: 8px;
            align-self: flex-start;
            border: 1px solid rgba(230, 57, 70, 0.2);
        }
        .program-card .info h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-light);
        }
        .program-card .info p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .program-card .info .meta {
            display: flex;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .program-card .info .meta i {
            color: var(--primary);
            margin-right: 4px;
        }

        /* ===== Nutrition Section ===== */
        .nutrition-section {
            background: var(--bg-dark);
        }
        .nutrition-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .nutrition-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .nutrition-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
            border-color: rgba(244, 162, 97, 0.2);
        }
        .nutrition-item .emoji-icon {
            font-size: 2.4rem;
            margin-bottom: 12px;
            display: block;
        }
        .nutrition-item h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-light);
        }
        .nutrition-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-section);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.12);
        }
        .faq-question {
            width: 100%;
            padding: 20px 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-light);
            background: none;
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-question i {
            transition: var(--transition);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 28px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-box {
            position: relative;
            z-index: 1;
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.1), rgba(29, 53, 87, 0.3));
            border: 1px solid rgba(230, 57, 70, 0.15);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            backdrop-filter: blur(8px);
        }
        .cta-box h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-light);
        }
        .cta-box p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .cta-box .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .footer {
            background: #0b0f14;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 360px;
        }
        .social {
            display: flex;
            gap: 12px;
        }
        .social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-col a i {
            width: 20px;
            color: var(--primary);
            margin-right: 6px;
        }
        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .guides-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nutrition-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(15, 20, 25, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 32px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
                box-shadow: var(--shadow-lg);
            }
            .nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav a {
                width: 100%;
                justify-content: center;
                padding: 12px 18px;
                font-size: 1rem;
            }
            .nav .nav-cta {
                margin-top: 8px;
            }
            .banner-content h1 {
                font-size: 2.2rem;
            }
            .banner {
                min-height: 340px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .intro-image {
                order: -1;
                aspect-ratio: 16/9;
            }
            .intro-stats {
                justify-content: center;
            }
            .guides-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .programs-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .program-card {
                flex-direction: column;
            }
            .program-card .thumb {
                width: 100%;
                aspect-ratio: 16/9;
            }
            .nutrition-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .cta-box {
                padding: 40px 24px;
            }
            .cta-box h2 {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-padding {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .banner-content .btn {
                width: 100%;
                justify-content: center;
            }
            .banner-actions {
                flex-direction: column;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .banner-content h1 {
                font-size: 1.8rem;
            }
            .banner {
                min-height: 300px;
            }
            .nutrition-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .nutrition-item {
                padding: 18px 14px;
            }
            .intro-stats {
                gap: 20px;
                flex-wrap: wrap;
            }
            .stat-item .number {
                font-size: 1.6rem;
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 18px 16px;
            }
        }