/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #ff6b35;
  --primary-hover: #e85d2c;
  --primary-light: rgba(255, 107, 53, 0.12);
  --secondary: #6c63ff;
  --secondary-hover: #5a52e0;
  --accent: #00d4ff;
  --accent-hover: #00bce6;
  --bg-dark: #0b0b16;
  --bg-card: #12122a;
  --bg-card-hover: #1a1a3a;
  --bg-section: #0f0f20;
  --bg-elevated: #18183a;
  --text-primary: #f0f0f5;
  --text-secondary: #b0b0c8;
  --text-muted: #7878a0;
  --border-color: rgba(108, 99, 255, 0.15);
  --border-light: rgba(255, 255, 255, 0.06);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(255, 107, 53, 0.15);
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --spacing-section: 80px;
  --container-max: 1200px;
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }
h1 { font-size: 3.2rem; }
h2 { font-size: 2.4rem; margin-bottom: 12px; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.2rem; }
p { margin-bottom: 16px; color: var(--text-secondary); }
::selection { background: var(--primary); color: #fff; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; border-radius: 4px; }

/* ===== 容器 ===== */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 880px; }

/* ===== 通用板块 ===== */
.section { padding: var(--spacing-section) 0; position: relative; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 48px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { font-size: 1.1rem; color: var(--text-secondary); }
.section-tag {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  background: var(--primary-light);
  color: var(--primary);
  margin-bottom: 12px;
}
.section-divider { height: 1px; background: var(--border-color); margin: 0; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  line-height: 1.2;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3); }
.btn-primary:hover { background: var(--primary-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4); }
.btn-secondary { background: var(--secondary); color: #fff; box-shadow: 0 4px 20px rgba(108, 99, 255, 0.25); }
.btn-secondary:hover { background: var(--secondary-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(108, 99, 255, 0.35); }
.btn-outline { background: transparent; color: var(--text-primary); border: 2px solid var(--border-color); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--text-secondary); padding: 8px 16px; }
.btn-ghost:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.btn-sm { padding: 8px 20px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-icon { width: 44px; height: 44px; padding: 0; justify-content: center; border-radius: 50%; }

/* ===== 徽章 / 标签 ===== */
.badge {
  display: inline-block;
  padding: 2px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  background: var(--primary-light);
  color: var(--primary);
}
.badge-blue { background: rgba(108, 99, 255, 0.15); color: var(--secondary); }
.badge-cyan { background: rgba(0, 212, 255, 0.12); color: var(--accent); }
.badge-white { background: rgba(255,255,255,0.08); color: var(--text-secondary); }

/* ===== 卡片 ===== */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 28px;
  transition: var(--transition);
}
.card:hover { background: var(--bg-card-hover); border-color: rgba(108, 99, 255, 0.3); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--radius-sm) var(--radius-sm) 0 0; margin: -28px -28px 20px -28px; width: calc(100% + 56px); }
.card-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.card-text { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; }
.card-footer { margin-top: 16px; display: flex; align-items: center; gap: 12px; font-size: 0.85rem; color: var(--text-muted); }

/* ===== 网格 ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ===== 导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 11, 22, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}
.header.scrolled { background: rgba(11, 11, 22, 0.96); box-shadow: 0 4px 30px rgba(0,0,0,0.4); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.header-logo i { color: var(--primary); font-size: 1.4rem; }
.header-logo:hover { color: var(--primary); }
.header-nav { display: flex; align-items: center; gap: 6px; }
.header-nav a {
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.header-nav a:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.header-nav a.active { color: var(--primary); background: var(--primary-light); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  padding: 0 16px;
  height: 40px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  width: 200px;
}
.header-search:focus-within { border-color: var(--primary); background: rgba(255,255,255,0.08); width: 240px; }
.header-search input { background: transparent; border: none; color: var(--text-primary); padding: 8px 0; width: 100%; font-size: 0.85rem; }
.header-search input::placeholder { color: var(--text-muted); }
.header-search i { color: var(--text-muted); font-size: 0.9rem; margin-right: 8px; }
.header-cta { padding: 8px 20px; border-radius: 100px; background: var(--primary); color: #fff; font-weight: 600; font-size: 0.85rem; }
.header-cta:hover { background: var(--primary-hover); color: #fff; transform: translateY(-1px); }
.mobile-toggle { display: none; background: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; padding: 8px; }

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
  background: var(--bg-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: 0.35;
  z-index: 0;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 80%, transparent 100%);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(255, 107, 53, 0.08) 0%, transparent 70%),
              radial-gradient(ellipse at 70% 30%, rgba(108, 99, 255, 0.06) 0%, transparent 60%);
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; max-width: 780px; }
.hero-tag { display: inline-block; padding: 6px 20px; border-radius: 100px; background: var(--primary-light); color: var(--primary); font-size: 0.85rem; font-weight: 600; margin-bottom: 20px; }
.hero h1 { font-size: 3.8rem; letter-spacing: -1px; line-height: 1.1; margin-bottom: 20px; }
.hero h1 span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: 1.2rem; color: var(--text-secondary); max-width: 600px; margin-bottom: 32px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 40px; margin-top: 48px; padding-top: 32px;
  border-top: 1px solid var(--border-light);
}
.hero-stat h3 { font-size: 1.8rem; color: var(--text-primary); }
.hero-stat p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

/* ===== 特色板块 ===== */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.feature-card:hover { background: var(--bg-card-hover); border-color: rgba(108, 99, 255, 0.3); transform: translateY(-6px); box-shadow: var(--shadow-md); }
.feature-icon {
  width: 60px; height: 60px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px; font-size: 1.6rem;
  background: var(--primary-light); color: var(--primary);
}
.feature-icon.blue { background: rgba(108, 99, 255, 0.12); color: var(--secondary); }
.feature-icon.cyan { background: rgba(0, 212, 255, 0.1); color: var(--accent); }
.feature-icon.gold { background: rgba(255, 166, 53, 0.12); color: #f5a623; }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: var(--text-muted); margin: 0; }

/* ===== 分类入口 ===== */
.category-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.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-color);
  transition: var(--transition);
}
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(108, 99, 255, 0.3); }
.category-card-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0.4;
  transition: var(--transition);
}
.category-card:hover .category-card-bg { opacity: 0.55; transform: scale(1.05); }
.category-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(11,11,22,0.9) 0%, transparent 60%);
}
.category-card-body { position: relative; z-index: 2; padding: 36px 32px; width: 100%; }
.category-card-body h3 { font-size: 1.6rem; margin-bottom: 6px; }
.category-card-body p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 16px; }
.category-card-body .btn { font-size: 0.85rem; padding: 10px 24px; }

/* ===== 资讯列表 ===== */
.post-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition);
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(108, 99, 255, 0.25); }
.post-card-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.post-card-body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.post-card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 8px; }
.post-card-meta .badge { font-size: 0.7rem; }
.post-card-body h3 { font-size: 1.1rem; margin-bottom: 8px; line-height: 1.4; }
.post-card-body h3 a { color: var(--text-primary); }
.post-card-body h3 a:hover { color: var(--primary); }
.post-card-body p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 12px; flex: 1; }
.post-card-footer { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: var(--text-muted); padding-top: 12px; border-top: 1px solid var(--border-light); }
.post-empty { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--text-muted); font-size: 1rem; background: var(--bg-card); border-radius: var(--radius-md); border: 1px dashed var(--border-color); }
.post-empty i { font-size: 2.4rem; color: var(--text-muted); margin-bottom: 16px; display: block; }

/* ===== 数据统计 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover { background: var(--bg-card-hover); border-color: rgba(108, 99, 255, 0.25); transform: translateY(-4px); }
.stat-number { font-size: 2.6rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: 0.9rem; color: var(--text-muted); margin-top: 4px; }

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(108, 99, 255, 0.2); }
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  background: none;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question i { font-size: 1.2rem; color: var(--text-muted); transition: var(--transition); }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; padding: 0 24px; }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }
.faq-answer p { font-size: 0.95rem; color: var(--text-secondary); margin: 0; line-height: 1.7; }

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, rgba(255,107,53,0.08) 0%, rgba(108,99,255,0.08) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(255,107,53,0.08) 0%, transparent 70%);
}
.cta-section h2 { font-size: 2.2rem; margin-bottom: 16px; position: relative; z-index: 1; }
.cta-section p { font-size: 1.1rem; color: var(--text-secondary); max-width: 520px; margin: 0 auto 28px; position: relative; z-index: 1; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* ===== 页脚 ===== */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border-light);
  background: var(--bg-dark);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .header-logo { font-size: 1.3rem; margin-bottom: 12px; }
.footer-brand p { font-size: 0.9rem; color: var(--text-muted); max-width: 300px; }
.footer-social { display: flex; gap: 12px; margin-top: 18px; }
.footer-social a { width: 40px; height: 40px; border-radius: 50%; background: var(--bg-card); display: flex; align-items: center; justify-content: center; color: var(--text-secondary); border: 1px solid var(--border-color); }
.footer-social a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.footer-col h4 { font-size: 0.95rem; margin-bottom: 16px; color: var(--text-primary); }
.footer-col a { display: block; font-size: 0.9rem; color: var(--text-muted); padding: 4px 0; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--border-light); font-size: 0.85rem; color: var(--text-muted); }

/* ===== 移动端导航 ===== */
.mobile-menu {
  display: none;
  position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
  background: rgba(11,11,22,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  padding: 32px 24px;
  z-index: 999;
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 14px 0;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}
.mobile-menu a.active { color: var(--primary); }
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu .header-cta { display: inline-flex; margin-top: 20px; width: fit-content; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 3rem; }
}

@media (max-width: 768px) {
  :root { --spacing-section: 50px; }
  .header-nav { display: none; }
  .header-actions .header-search { display: none; }
  .header-actions .btn-ghost { display: none; }
  .mobile-toggle { display: block; }
  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero h1 { font-size: 2.4rem; }
  .hero p { font-size: 1rem; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .hero-stat { flex: 1 1 40%; }
  .grid-2, .grid-3, .post-list, .category-showcase { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .cta-section { padding: 40px 24px; }
  .cta-section h2 { font-size: 1.6rem; }
  .section-header { margin-bottom: 32px; }
  .section-header h2 { font-size: 1.8rem; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 1.8rem; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-number { font-size: 1.8rem; }
  .header-inner { height: 60px; }
  .header-logo { font-size: 1.2rem; }
  .mobile-menu { top: 60px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; justify-content: center; }
  .container { padding: 0 16px; }
  .card { padding: 20px; }
  .card-img { margin: -20px -20px 16px -20px; width: calc(100% + 40px); }
  .post-card-body { padding: 16px 18px 18px; }
  .faq-question { padding: 16px 18px; font-size: 0.95rem; }
}

/* ===== 动画 ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.animate-in { animation: fadeInUp 0.6s ease forwards; }
.animate-in-delay-1 { animation-delay: 0.1s; }
.animate-in-delay-2 { animation-delay: 0.2s; }
.animate-in-delay-3 { animation-delay: 0.3s; }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #b8202e;
  --primary-dark: #8c1a24;
  --primary-light: #d94a57;
  --accent: #f5c518;
  --accent-dark: #d4a814;
  --bg-dark: #0d0d0d;
  --bg-card: #1a1a1a;
  --bg-section: #111111;
  --bg-elevated: #222222;
  --text-primary: #f0f0f0;
  --text-secondary: #b0b0b0;
  --text-muted: #777777;
  --border-color: #2a2a2a;
  --border-light: #333333;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(184,32,46,0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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; }
body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; border: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
h1 { font-size: 2.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; letter-spacing: -0.01em; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }
p { margin-bottom: 1rem; color: var(--text-secondary); }
::selection { background: var(--primary); color: #fff; }
: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; }
}

/* ===== 头部导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  height: var(--header-height);
  transition: var(--transition);
}
.header.scrolled { background: rgba(13,13,13,0.98); box-shadow: var(--shadow-md); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 20px;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  white-space: nowrap;
}
.header-logo i { color: var(--primary-light); font-size: 1.6rem; }
.header-logo:hover { color: var(--accent); }
.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.header-nav a {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}
.header-nav a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.header-nav a.active {
  color: var(--accent);
  background: rgba(245,197,24,0.1);
}
.header-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-search {
  display: flex;
  align-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  padding: 0 16px;
  transition: var(--transition);
}
.header-search:focus-within { border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(184,32,46,0.15); }
.header-search input {
  background: transparent;
  color: var(--text-primary);
  padding: 8px 10px;
  width: 160px;
  font-size: 0.9rem;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search i { color: var(--text-muted); font-size: 0.9rem; }
.btn-header {
  padding: 8px 22px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-header-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-light);
}
.btn-header-outline:hover { border-color: var(--primary-light); color: var(--primary-light); }
.btn-header-solid {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-header-solid:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 15px rgba(184,32,46,0.3); }
.mobile-toggle { display: none; background: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; padding: 4px; }
@media (max-width: 900px) {
  .header-nav { display: none; }
  .header-search input { width: 100px; }
  .btn-header { padding: 6px 14px; font-size: 0.8rem; }
  .mobile-toggle { display: block; }
  .header-nav.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(13,13,13,0.98);
    backdrop-filter: blur(20px);
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
  }
  .header-nav.mobile-open a { padding: 12px 16px; font-size: 1rem; width: 100%; }
  .header-nav.mobile-open a.active::after { display: none; }
}
@media (max-width: 520px) {
  .header-logo { font-size: 1.2rem; }
  .header-logo i { font-size: 1.2rem; }
  .header-search input { width: 70px; }
  .btn-header-solid { display: none; }
}

/* ===== 页面横幅 ===== */
.page-banner {
  margin-top: var(--header-height);
  padding: 80px 0 60px;
  background: linear-gradient(135deg, #0d0d0d 0%, #1a0a0a 50%, #0d0d0d 100%);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.12;
  pointer-events: none;
}
.page-banner .container { position: relative; z-index: 1; }
.banner-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.banner-category {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--primary);
  color: #fff;
  letter-spacing: 0.5px;
}
.banner-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.banner-date i { font-size: 0.75rem; }
.page-banner h1 {
  font-size: 2.6rem;
  line-height: 1.25;
  max-width: 800px;
  margin-bottom: 16px;
}
.banner-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 700px;
  line-height: 1.7;
}
@media (max-width: 768px) {
  .page-banner { padding: 60px 0 40px; }
  .page-banner h1 { font-size: 1.8rem; }
  .banner-desc { font-size: 0.95rem; }
}
@media (max-width: 520px) {
  .page-banner h1 { font-size: 1.4rem; }
  .banner-meta { gap: 8px; }
}

/* ===== 文章主体 ===== */
.article-main {
  padding: 60px 0 80px;
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}
.article-content {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.article-content .content-body {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-secondary);
}
.article-content .content-body p { margin-bottom: 1.4rem; }
.article-content .content-body h2,
.article-content .content-body h3 { color: var(--text-primary); margin-top: 2rem; margin-bottom: 1rem; }
.article-content .content-body h2 { font-size: 1.6rem; }
.article-content .content-body h3 { font-size: 1.25rem; }
.article-content .content-body img { border-radius: var(--radius-md); margin: 1.8rem 0; box-shadow: var(--shadow-md); }
.article-content .content-body blockquote {
  border-left: 4px solid var(--primary);
  padding: 16px 24px;
  margin: 1.8rem 0;
  background: rgba(184,32,46,0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
  font-style: italic;
}
.article-content .content-body ul,
.article-content .content-body ol {
  padding-left: 24px;
  margin-bottom: 1.4rem;
  color: var(--text-secondary);
}
.article-content .content-body ul { list-style: disc; }
.article-content .content-body ol { list-style: decimal; }
.article-content .content-body li { margin-bottom: 0.5rem; }
.article-content .content-body a { color: var(--accent); text-decoration: underline; }
.article-content .content-body a:hover { color: var(--accent-dark); }

/* 文章标签 */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}
.article-tag {
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.article-tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 文章导航（上下篇） */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}
.article-nav a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.article-nav a:hover { border-color: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.article-nav .nav-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.article-nav .nav-title { font-size: 0.95rem; color: var(--text-primary); font-weight: 600; }
.article-nav .nav-next { text-align: right; }

/* ===== 侧边栏 ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.sidebar-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.sidebar-card h3 {
  font-size: 1.1rem;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-card h3 i { color: var(--primary-light); }
.sidebar-list li { margin-bottom: 4px; }
.sidebar-list a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.92rem;
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.sidebar-list a:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  border-left-color: var(--primary-light);
  padding-left: 18px;
}
.sidebar-list .list-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: 8px;
}
.sidebar-cta {
  text-align: center;
}
.sidebar-cta p { font-size: 0.9rem; margin-bottom: 16px; }
.sidebar-cta .btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 600;
  background: var(--primary);
  color: #fff;
  transition: var(--transition);
}
.sidebar-cta .btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(184,32,46,0.3); }

/* 分类标签云 */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-cloud a {
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.tag-cloud a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; gap: 32px; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 768px) {
  .article-content { padding: 24px; }
  .article-content .content-body { font-size: 0.95rem; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav .nav-next { text-align: left; }
  .article-sidebar { grid-template-columns: 1fr; }
}

/* ===== 推荐文章板块 ===== */
.related-section {
  padding: 60px 0 80px;
  background: var(--bg-section);
  border-top: 1px solid var(--border-color);
}
.related-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 12px;
}
.related-header h2 { font-size: 1.6rem; }
.related-header a { font-size: 0.9rem; color: var(--text-muted); }
.related-header a:hover { color: var(--accent); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition);
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--border-light); }
.related-card .card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.related-card .card-body { padding: 20px; }
.related-card .card-cat {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  background: rgba(184,32,46,0.15);
  color: var(--primary-light);
  margin-bottom: 10px;
}
.related-card h3 { font-size: 1rem; margin-bottom: 8px; }
.related-card h3 a { color: var(--text-primary); }
.related-card h3 a:hover { color: var(--accent); }
.related-card .card-excerpt {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-date { font-size: 0.75rem; color: var(--text-muted); margin-top: 12px; }
@media (max-width: 900px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .related-grid { grid-template-columns: 1fr; }
  .related-card .card-img { height: 200px; }
}

/* ===== 错误页面 ===== */
.not-found {
  text-align: center;
  padding: 80px 20px;
}
.not-found i { font-size: 3rem; color: var(--text-muted); margin-bottom: 20px; }
.not-found h2 { font-size: 1.8rem; margin-bottom: 12px; }
.not-found p { color: var(--text-muted); margin-bottom: 24px; }
.not-found .btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 600;
  background: var(--primary);
  color: #fff;
  transition: var(--transition);
}
.not-found .btn:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ===== 页脚 ===== */
.footer {
  background: #0a0a0a;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p { font-size: 0.9rem; color: var(--text-muted); margin-top: 12px; line-height: 1.7; max-width: 320px; }
.footer-social { display: flex; gap: 14px; margin-top: 18px; }
.footer-social a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 1rem;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}
.footer-social a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }
.footer-col h4 { font-size: 0.95rem; margin-bottom: 16px; color: var(--text-primary); }
.footer-col a {
  display: block;
  padding: 5px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--accent); }
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ===== 通用按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  text-align: center;
  justify-content: center;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(184,32,46,0.3); }
.btn-outline { background: transparent; color: var(--text-primary); border-color: var(--border-light); }
.btn-outline:hover { border-color: var(--primary-light); color: var(--primary-light); }
.btn-accent { background: var(--accent); color: #111; border-color: var(--accent); font-weight: 700; }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245,197,24,0.3); }

/* ===== 响应式微调 ===== */
@media (max-width: 768px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.2rem; }
  .container { padding: 0 16px; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #0a0a1a;
  --primary-light: #1a1a2e;
  --primary-mid: #16213e;
  --accent: #e94560;
  --accent-hover: #d63850;
  --gold: #f5c518;
  --gold-light: #fce38a;
  --bg: #f4f4f8;
  --bg-card: #ffffff;
  --bg-dark: #0f0f1a;
  --text: #1a1a2e;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --text-on-dark: #f1f1f6;
  --border: #e5e7eb;
  --border-light: #f0f0f5;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 30px rgba(233,69,96,0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 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; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button, input, select, textarea { font-family: inherit; font-size: 1rem; outline: none; }
ul, ol { list-style: none; }
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
}
/* ===== 导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(10,10,26,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 1000;
  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: 1.4rem;
  font-weight: 700;
  color: var(--text-on-dark);
  letter-spacing: -0.3px;
  flex-shrink: 0;
}
.header-logo i {
  color: var(--accent);
  font-size: 1.5rem;
  background: rgba(233,69,96,0.15);
  padding: 8px;
  border-radius: 10px;
}
.header-logo span { color: var(--text-on-dark); }
.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.header-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  position: relative;
}
.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
  border-radius: 2px;
}
.header-nav a:hover { color: #fff; }
.header-nav a:hover::after { width: 100%; }
.header-nav a.active { color: #fff; }
.header-nav a.active::after { width: 100%; background: var(--accent); }
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.header-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50px;
  padding: 6px 16px 6px 18px;
  transition: var(--transition);
}
.header-search:focus-within {
  background: rgba(255,255,255,0.12);
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(233,69,96,0.1);
}
.header-search input {
  background: transparent;
  border: none;
  color: var(--text-on-dark);
  font-size: 0.9rem;
  width: 140px;
  padding: 4px 0;
}
.header-search input::placeholder { color: rgba(255,255,255,0.35); }
.header-search button {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  padding: 4px;
  font-size: 0.95rem;
  transition: var(--transition);
}
.header-search button:hover { color: var(--accent); }
.header-btn {
  padding: 8px 22px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(233,69,96,0.3);
}
.header-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(233,69,96,0.4);
}
.header-btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--text-on-dark);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.header-btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(233,69,96,0.08);
}
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-on-dark);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
  transition: var(--transition);
}
.mobile-toggle:hover { background: rgba(255,255,255,0.06); }
@media (max-width: 900px) {
  .header-nav { gap: 20px; }
  .header-search input { width: 100px; }
  .header-btn { padding: 6px 16px; font-size: 0.85rem; }
  .header-btn-outline { padding: 6px 14px; font-size: 0.85rem; }
}
@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .header-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(10,10,26,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 12px 24px 24px;
    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 40px rgba(0,0,0,0.4);
  }
  .header-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .header-nav a {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    width: 100%;
    font-size: 1.05rem;
  }
  .header-nav a::after { display: none; }
  .header-nav a.active { color: var(--accent); }
  .header-actions { gap: 10px; }
  .header-search { display: none; }
  .header-btn-outline { display: none; }
  .header-btn { padding: 6px 16px; font-size: 0.85rem; }
}
/* ===== Banner ===== */
.page-banner {
  position: relative;
  margin-top: var(--header-height);
  padding: 100px 0 80px;
  background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 50%, #16213e 100%);
  overflow: hidden;
  min-height: 340px;
  display: flex;
  align-items: center;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity: 0.2;
  mix-blend-mode: overlay;
}
.page-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(233,69,96,0.12) 0%, transparent 70%),
              radial-gradient(ellipse at 70% 30%, rgba(245,197,24,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(233,69,96,0.15);
  border: 1px solid rgba(233,69,96,0.25);
  color: var(--accent);
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.banner-badge i { font-size: 0.75rem; }
.page-banner h1 {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--text-on-dark);
  line-height: 1.12;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.page-banner h1 span { color: var(--accent); }
.page-banner p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  max-width: 620px;
  margin: 0 auto 28px;
  line-height: 1.7;
}
.banner-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.banner-stat {
  text-align: center;
}
.banner-stat .num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1.2;
}
.banner-stat .label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
}
@media (max-width: 768px) {
  .page-banner { padding: 70px 0 50px; min-height: 280px; }
  .page-banner h1 { font-size: 2rem; }
  .page-banner p { font-size: 1rem; }
  .banner-stats { gap: 24px; }
  .banner-stat .num { font-size: 1.4rem; }
}
@media (max-width: 520px) {
  .page-banner h1 { font-size: 1.6rem; }
  .banner-stats { gap: 16px; }
  .banner-stat .num { font-size: 1.2rem; }
}
/* ===== 分类标签 ===== */
.section-tags {
  padding: 48px 0 24px;
  background: var(--bg);
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}
.tag-item:hover {
  background: var(--primary-light);
  color: var(--text-on-dark);
  border-color: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.tag-item.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(233,69,96,0.25);
}
.tag-item i { font-size: 0.8rem; opacity: 0.7; }
@media (max-width: 520px) {
  .tag-cloud { gap: 8px; }
  .tag-item { padding: 6px 14px; font-size: 0.8rem; }
}
/* ===== 通用板块 ===== */
.section {
  padding: 72px 0;
}
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 20px;
  flex-wrap: wrap;
}
.section-header-left h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
  line-height: 1.2;
}
.section-header-left h2 i { color: var(--accent); margin-right: 10px; }
.section-header-left p {
  color: var(--text-secondary);
  margin-top: 6px;
  font-size: 0.95rem;
}
.section-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 20px;
  border: 1px solid rgba(233,69,96,0.2);
  border-radius: 50px;
  transition: var(--transition);
  flex-shrink: 0;
}
.section-link:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-glow);
  transform: translateX(4px);
}
@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 28px; }
  .section-header-left h2 { font-size: 1.4rem; }
}
/* ===== 资讯卡片网格 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(233,69,96,0.15);
}
.news-card .card-img {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--primary-light);
}
.news-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.news-card:hover .card-img img { transform: scale(1.05); }
.news-card .card-img .tag-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(233,69,96,0.92);
  color: #fff;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  backdrop-filter: blur(4px);
}
.news-card .card-body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.news-card .card-body .card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.news-card .card-body .card-meta span { display: flex; align-items: center; gap: 4px; }
.news-card .card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 10px;
  transition: var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card:hover .card-body h3 { color: var(--accent); }
.news-card .card-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card .card-body .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}
.news-card .card-body .card-footer .author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.news-card .card-body .card-footer .author i {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--text-on-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}
.news-card .card-body .card-footer .read-btn {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}
.news-card .card-body .card-footer .read-btn:hover { gap: 8px; }
@media (max-width: 1024px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
}
@media (max-width: 600px) {
  .news-grid { grid-template-columns: 1fr; gap: 18px; }
  .news-card .card-body h3 { font-size: 1rem; }
}
/* ===== 热门排行 ===== */
.section-hot {
  background: var(--bg-card);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.hot-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.hot-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 20px;
  background: var(--bg);
  border-radius: var(--radius);
  transition: var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
}
.hot-item:hover {
  background: var(--bg-card);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}
.hot-item .rank {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
  background: var(--primary-light);
  color: var(--text-on-dark);
}
.hot-item:nth-child(1) .rank { background: var(--accent); color: #fff; box-shadow: 0 4px 12px rgba(233,69,96,0.3); }
.hot-item:nth-child(2) .rank { background: var(--gold); color: var(--primary); }
.hot-item:nth-child(3) .rank { background: linear-gradient(135deg, #e94560, #f5c518); color: #fff; }
.hot-item .hot-info { flex: 1; min-width: 0; }
.hot-item .hot-info h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hot-item .hot-info .hot-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 12px;
}
.hot-item .hot-stats {
  text-align: right;
  flex-shrink: 0;
}
.hot-item .hot-stats .num {
  font-weight: 700;
  color: var(--accent);
  font-size: 1rem;
}
.hot-item .hot-stats .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
}
@media (max-width: 600px) {
  .hot-item { padding: 12px 14px; gap: 12px; flex-wrap: wrap; }
  .hot-item .rank { width: 30px; height: 30px; font-size: 0.9rem; }
  .hot-item .hot-info h4 { font-size: 0.9rem; }
  .hot-item .hot-stats .num { font-size: 0.9rem; }
}
/* ===== 音乐人动态 ===== */
.artist-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.artist-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  text-align: center;
  padding-bottom: 20px;
}
.artist-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.artist-card .artist-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--primary-light);
}
.artist-card .artist-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.artist-card:hover .artist-img img { transform: scale(1.06); }
.artist-card .artist-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 16px;
  margin-bottom: 4px;
}
.artist-card .artist-tag {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 12px;
}
.artist-card .artist-tag span {
  background: var(--bg);
  padding: 2px 10px;
  border-radius: 50px;
  font-size: 0.7rem;
  color: var(--text-secondary);
}
.artist-card .artist-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: var(--transition);
}
.artist-card .artist-action:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}
@media (max-width: 1024px) {
  .artist-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .artist-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .artist-card .artist-name { font-size: 0.9rem; }
}
/* ===== 深度报道 ===== */
.section-deep {
  background: var(--primary);
  color: var(--text-on-dark);
}
.section-deep .section-header-left h2 { color: var(--text-on-dark); }
.section-deep .section-header-left p { color: rgba(255,255,255,0.5); }
.deep-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.deep-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--primary-light);
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.deep-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  border-color: rgba(233,69,96,0.2);
}
.deep-card .deep-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--primary-mid);
}
.deep-card .deep-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
  opacity: 0.85;
}
.deep-card:hover .deep-img img { transform: scale(1.05); opacity: 1; }
.deep-card .deep-body {
  padding: 24px 26px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.deep-card .deep-body .deep-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(233,69,96,0.15);
  color: var(--accent);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
  width: fit-content;
}
.deep-card .deep-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-on-dark);
  line-height: 1.4;
  margin-bottom: 10px;
}
.deep-card .deep-body p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}
.deep-card .deep-body .deep-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.deep-card .deep-body .deep-footer span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  display: flex;
  align-items: center;
  gap: 6px;
}
.deep-card .deep-body .deep-footer a {
  color: var(--gold);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.deep-card .deep-body .deep-footer a:hover { gap: 10px; color: var(--accent); }
@media (max-width: 768px) {
  .deep-grid { grid-template-columns: 1fr; gap: 20px; }
  .deep-card .deep-body h3 { font-size: 1.05rem; }
}
/* ===== 订阅CTA ===== */
.section-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-mid) 100%);
  position: relative;
  overflow: hidden;
}
.section-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.06;
  mix-blend-mode: overlay;
}
.section-cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(233,69,96,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-on-dark);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.cta-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 28px;
  line-height: 1.7;
}
.cta-form {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.cta-form input {
  flex: 1;
  min-width: 240px;
  max-width: 380px;
  padding: 14px 22px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.06);
  color: var(--text-on-dark);
  font-size: 0.95rem;
  transition: var(--transition);
}
.cta-form input::placeholder { color: rgba(255,255,255,0.3); }
.cta-form input:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.1);
  box-shadow: 0 0 30px rgba(233,69,96,0.08);
}
.cta-form button {
  padding: 14px 36px;
  border-radius: 50px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(233,69,96,0.3);
  white-space: nowrap;
}
.cta-form button:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(233,69,96,0.4);
}
.cta-form button i { margin-right: 6px; }
.cta-meta {
  margin-top: 16px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
}
.cta-meta i { margin-right: 4px; }
@media (max-width: 600px) {
  .section-cta { padding: 56px 0; }
  .cta-content h2 { font-size: 1.5rem; }
  .cta-form input { min-width: 100%; max-width: 100%; }
  .cta-form button { width: 100%; }
}
/* ===== FAQ ===== */
.section-faq {
  background: var(--bg-card);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--border); box-shadow: var(--shadow-sm); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  gap: 16px;
  transition: var(--transition);
  user-select: none;
}
.faq-question:hover { color: var(--accent); }
.faq-question i {
  transition: var(--transition);
  color: var(--text-muted);
  font-size: 0.9rem;
  flex-shrink: 0;
}
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--accent); }
.faq-answer {
  padding: 0 24px 18px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: none;
}
.faq-item.active .faq-answer { display: block; }
.faq-item.active { border-color: rgba(233,69,96,0.15); background: var(--bg-card); }
@media (max-width: 600px) {
  .faq-question { padding: 14px 16px; font-size: 0.92rem; }
  .faq-answer { padding: 0 16px 14px; font-size: 0.85rem; }
}
/* ===== 分页 ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  transition: var(--transition);
}
.pagination a:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.pagination .active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(233,69,96,0.25);
}
.pagination .dots { border: none; background: transparent; width: auto; padding: 0 4px; }
.pagination .next { width: auto; padding: 0 20px; gap: 6px; }
@media (max-width: 520px) {
  .pagination a, .pagination span { width: 36px; height: 36px; font-size: 0.8rem; }
  .pagination .next { width: auto; padding: 0 14px; }
}
/* ===== 页脚 ===== */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.04);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.5);
  margin-top: 12px;
  max-width: 300px;
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.5);
  font-size: 1.1rem;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 4px 16px rgba(233,69,96,0.25);
}
.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-on-dark);
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  padding: 4px 0;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.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: 0.82rem;
  color: rgba(255,255,255,0.3);
}
.footer-bottom a:hover { color: var(--accent); }
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .footer { padding: 40px 0 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
/* ===== 辅助 ===== */
.section-divider {
  height: 1px;
  background: var(--border-light);
  width: 100%;
}
.text-center { text-align: center; }
.mt-12 { margin-top: 12px; }
.mt-24 { margin-top: 24px; }
.mb-12 { margin-bottom: 12px; }
.mb-24 { margin-bottom: 24px; }
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}
@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}