/* roulang page: index */
:root {
  --bg-deep: #0B1220;
  --bg-blue: #101A2F;
  --glass: rgba(255,255,255,0.055);
  --glass-strong: rgba(255,255,255,0.09);
  --border: rgba(255,255,255,0.12);
  --border-bright: rgba(255,255,255,0.18);
  --brand: #2F6BFF;
  --brand-dark: #1B4FFF;
  --cyan: #26D6C6;
  --amber: #F5B942;
  --rose: #FF5C7A;
  --text: #F3F7FF;
  --text-secondary: rgba(226,236,255,0.72);
  --text-weak: rgba(226,236,255,0.5);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 10px 30px rgba(0,0,0,0.28);
  --shadow-hover: 0 16px 40px rgba(27,79,255,0.22);
  --shadow-btn: 0 8px 30px rgba(47,107,255,0.45);
  --transition: all 0.3s cubic-bezier(0.25,0.46,0.45,0.94);
  --font-stack: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

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

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

body {
  font-family: var(--font-stack);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 80% 10%, rgba(38,214,198,0.08), transparent 40%),
              radial-gradient(circle at 15% 85%, rgba(47,107,255,0.15), transparent 45%);
  pointer-events: none;
  z-index: 0;
}

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

a { color: inherit; text-decoration: none; transition: var(--transition); }

button { font-family: var(--font-stack); cursor: pointer; border: none; background: none; }

input, textarea { font-family: var(--font-stack); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

.reading-container { max-width: 760px; margin: 0 auto; }

section { padding: 96px 0; position: relative; z-index: 1; }

h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; letter-spacing: -0.02em; }

h1 { font-size: 44px; }
h2 { font-size: 32px; }
h3 { font-size: 24px; }

p { color: var(--text-secondary); }

.text-gradient {
  background: linear-gradient(135deg, var(--cyan), #6C9FFF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.grid-container .grid-container { padding: 0; }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: rgba(38,214,198,0.25); color: #fff; }

/* === Header 与导航面板 === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 12px 20px 0;
  background: rgba(11,18,32,0.6);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}

.nav-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  height: 68px;
  padding: 0 14px;
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.12);
  border-top-color: rgba(255,255,255,0.18);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(14px) saturate(140%);
  gap: 16px;
}

.brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.brand-glyph {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: 0 4px 12px rgba(47,107,255,0.4);
}

.brand-text { font-size: 16px; font-weight: 700; color: var(--text); white-space: nowrap; letter-spacing: 0.02em; }

.brand-text span { color: var(--cyan); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar { display: none; }

.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-item i { font-size: 13px; color: var(--text-weak); transition: var(--transition); }

.nav-item:hover {
  background: rgba(47,107,255,0.18);
  border-color: rgba(47,107,255,0.35);
  color: #fff;
}

.nav-item:hover i { color: var(--cyan); }

.nav-item.active {
  background: rgba(38,214,198,0.12);
  border-color: rgba(38,214,198,0.5);
  color: #fff;
  font-weight: 600;
}

.nav-item.active i { color: var(--cyan); }

.nav-cta { flex-shrink: 0; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 26px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff !important;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: var(--shadow-btn);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary:hover {
  box-shadow: 0 10px 40px rgba(47,107,255,0.7);
  filter: brightness(1.04);
  transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(1px); box-shadow: 0 4px 20px rgba(47,107,255,0.4); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 26px;
  background: rgba(255,255,255,0.04);
  color: var(--text) !important;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  backdrop-filter: blur(8px);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-secondary:hover {
  border-color: var(--cyan);
  background: rgba(38,214,198,0.1);
  color: var(--cyan) !important;
}

.hamburger { display: none; }

/* 移动端导航 */
.mobile-menu {
  display: none;
  max-width: 1200px;
  margin: 8px auto 0;
  padding: 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  backdrop-filter: blur(16px);
}

.mobile-menu.open { display: block; }

.mobile-menu .nav-item {
  display: flex;
  width: 100%;
  margin-bottom: 6px;
  justify-content: flex-start;
  padding: 14px 16px;
}

.mobile-menu .nav-cta { margin-top: 8px; }

.mobile-menu .btn-primary { width: 100%; justify-content: center; padding: 14px; }

/* === Hero 首屏 === */
.hero {
  position: relative;
  min-height: 92vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 140px 0 96px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,18,32,0.55) 0%, rgba(11,18,32,0.75) 50%, var(--bg-deep) 100%);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 20%, rgba(38,214,198,0.12), transparent 55%);
  pointer-events: none;
}

.hero .container { position: relative; z-index: 2; animation: fadeUp 0.9s ease-out; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: rgba(38,214,198,0.12);
  border: 1px solid rgba(38,214,198,0.4);
  color: var(--cyan);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.hero-chip i { font-size: 12px; }

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  max-width: 680px;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, #fff 20%, rgba(38,214,198,0.7) 70%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-sub strong { color: var(--cyan); font-weight: 600; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }

.hero-shields {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.shield {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
}

.shield i { color: var(--cyan); font-size: 12px; }

/* === 合集目录 === */
.catalog-section { padding: 96px 0 80px; }

.section-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; gap: 20px; flex-wrap: wrap; }

.section-header h2 { font-size: 32px; color: var(--text); }

.section-header h2 span { color: var(--cyan); }

.section-header p { font-size: 15px; max-width: 420px; }

.catalog-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 8px 4px 24px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(38,214,198,0.3) transparent;
}

.catalog-scroll::-webkit-scrollbar { height: 6px; }

.catalog-scroll::-webkit-scrollbar-track { background: rgba(255,255,255,0.04); border-radius: 99px; }

.catalog-scroll::-webkit-scrollbar-thumb { background: rgba(38,214,198,0.3); border-radius: 99px; }

.catalog-card {
  flex: 0 0 300px;
  min-height: 180px;
  padding: 26px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-top-color: var(--border-bright);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(14px) saturate(140%);
  scroll-snap-align: start;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.catalog-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: var(--transition);
}

.catalog-card:hover { transform: translateY(-4px); border-color: rgba(38,214,198,0.5); box-shadow: var(--shadow-hover); }

.catalog-card:hover::before { opacity: 1; }

.catalog-card:hover .catalog-arrow { transform: translateX(4px); color: var(--cyan); }

.catalog-num { font-size: 32px; font-weight: 800; color: rgba(38,214,198,0.4); line-height: 1; margin-bottom: 14px; font-variant-numeric: tabular-nums; }

.catalog-title { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 8px; }

.catalog-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.6; flex: 1; }

.catalog-arrow { margin-top: 12px; font-size: 14px; color: var(--text-weak); display: inline-flex; align-items: center; gap: 6px; transition: var(--transition); }

/* === 精选条目 Bento === */
.featured-section { padding: 80px 0; }

.bento-grid { display: flex; flex-wrap: wrap; gap: 24px; }

.bento-item { border-radius: var(--radius-lg); overflow: hidden; position: relative; min-height: 260px; border: 1px solid var(--border); background: var(--glass); backdrop-filter: blur(14px); transition: var(--transition); }

.bento-item:hover { transform: translateY(-4px); border-color: rgba(38,214,198,0.5); box-shadow: var(--shadow-hover); }

.bento-item.large { width: calc(58.333% - 12px); }

.bento-item.small { width: calc(41.667% - 12px); }

.bento-item .bento-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

.bento-item .bento-gradient { position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,18,32,0.92) 0%, rgba(11,18,32,0.4) 55%, rgba(11,18,32,0.1) 100%); }

.bento-content { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px; z-index: 2; }

.bento-chip {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(38,214,198,0.15);
  border: 1px solid rgba(38,214,198,0.35);
  color: var(--cyan);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
}

.bento-title { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 6px; line-height: 1.35; }

.bento-desc { font-size: 14px; color: rgba(226,236,255,0.75); line-height: 1.6; margin-bottom: 12px; }

.bento-link { font-size: 14px; color: var(--cyan); display: inline-flex; align-items: center; gap: 6px; font-weight: 500; }

.bento-link i { transition: var(--transition); }

.bento-item:hover .bento-link i { transform: translateX(4px); }

.bento-item.text-only { padding: 28px; display: flex; flex-direction: column; justify-content: flex-end; min-height: 240px; }

.bento-item.text-only .bento-text-content { position: relative; z-index: 2; }

.bento-item.text-only .bento-title { color: var(--text); font-size: 20px; }

.bento-item.text-only .bento-desc { color: var(--text-secondary); }

/* === 最新动态 === */
.news-section { padding: 80px 0; position: relative; }

.news-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(47,107,255,0.08), transparent 70%);
  pointer-events: none;
}

.news-card {
  display: flex;
  gap: 24px;
  padding: 22px 28px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(14px);
  transition: var(--transition);
  margin-bottom: 14px;
}

.news-card:hover { border-color: rgba(38,214,198,0.4); box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.news-date-col { flex: 0 0 150px; display: flex; flex-direction: column; justify-content: center; gap: 6px; }

.news-date { font-size: 15px; color: var(--cyan); font-weight: 600; font-variant-numeric: tabular-nums; }

.news-category {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(47,107,255,0.15);
  border: 1px solid rgba(47,107,255,0.3);
  color: #A9C4FF;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  width: fit-content;
}

.news-content { flex: 1; }

.news-content h3 { font-size: 17px; font-weight: 600; color: var(--text); margin-bottom: 6px; line-height: 1.4; }

.news-content h3 a:hover { color: var(--cyan); }

.news-summary { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.news-readmore { font-size: 13px; color: var(--cyan); display: inline-flex; align-items: center; gap: 5px; font-weight: 500; }

.news-readmore i { transition: var(--transition); }

.news-readmore:hover i { transform: translateX(3px); }

.empty-state {
  border: 1px dashed rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.035);
  border-radius: var(--radius-md);
  padding: 50px 30px;
  text-align: center;
  backdrop-filter: blur(8px);
}

.empty-state .empty-icon {
  width: 54px; height: 54px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: rgba(38,214,198,0.1);
  border: 1px solid rgba(38,214,198,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  color: var(--cyan);
}

.empty-state p { font-size: 15px; color: var(--text-weak); }

/* === 相关推荐 === */
.recommend-section { padding: 80px 0; }

.recommend-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.recommend-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--glass);
  border: 1px solid var(--border);
  backdrop-filter: blur(14px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.recommend-card:hover { transform: translateY(-5px); border-color: rgba(38,214,198,0.5); box-shadow: var(--shadow-hover); }

.recommend-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; }

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

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

.recommend-thumb::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,18,32,0.6), transparent); }

.recommend-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }

.recommend-tag { align-self: flex-start; padding: 3px 10px; background: rgba(47,107,255,0.12); border: 1px solid rgba(47,107,255,0.25); color: #A9C4FF; border-radius: 999px; font-size: 12px; margin-bottom: 10px; }

.recommend-body h3 { font-size: 15px; line-height: 1.45; margin-bottom: 8px; flex: 1; }

.recommend-body h3 a:hover { color: var(--cyan); }

.recommend-body p { font-size: 13px; color: var(--text-weak); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.recommend-btn { font-size: 13px; color: var(--cyan); display: inline-flex; align-items: center; gap: 5px; font-weight: 500; margin-top: auto; }

.recommend-btn i { transition: var(--transition); }

.recommend-btn:hover i { transform: translateX(3px); }

/* === 收藏/分享 CTA === */
.cta-section { padding: 60px 0 96px; }

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 38px 42px;
  background: rgba(255,255,255,0.055);
  border: 1px solid var(--border);
  border-top-color: var(--border-bright);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px) saturate(140%);
  box-shadow: var(--shadow-card);
  flex-wrap: wrap;
}

.cta-info { display: flex; align-items: center; gap: 20px; flex: 1; min-width: 260px; }

.cta-icon {
  width: 56px; height: 56px;
  flex-shrink: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(47,107,255,0.2), rgba(38,214,198,0.15));
  border: 1px solid rgba(47,107,255,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  color: var(--cyan);
}

.cta-info h3 { font-size: 19px; font-weight: 700; color: var(--text); margin-bottom: 4px; }

.cta-info p { font-size: 14px; color: var(--text-secondary); }

.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn-amber {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--amber), #E8A62F);
  color: #1A1406 !important;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: 0 6px 24px rgba(245,185,66,0.35);
  transition: var(--transition);
}

.btn-amber:hover { box-shadow: 0 8px 30px rgba(245,185,66,0.5); transform: translateY(-1px); filter: brightness(1.05); }

.btn-amber:active { transform: translateY(1px); }

.btn-amber.liked { background: linear-gradient(135deg, var(--rose), #D6336C); color: #fff !important; box-shadow: 0 6px 24px rgba(255,92,122,0.35); }

/* === FAQ === */
.faq-section { padding: 80px 0 96px; }

.faq-list { max-width: 860px; margin: 0 auto; }

.faq-item {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 12px;
  overflow: hidden;
  backdrop-filter: blur(14px);
  transition: var(--transition);
}

.faq-item:hover { border-color: rgba(38,214,198,0.35); }

.faq-item.is-active { border-left: 3px solid var(--cyan); border-left-color: var(--cyan); }

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

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

.faq-icon { font-size: 18px; color: var(--cyan); flex-shrink: 0; transition: transform 0.35s ease; font-weight: 300; line-height: 1; }

.faq-item.is-active .faq-icon { transform: rotate(45deg); }

.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }

.faq-answer-inner { padding: 0 24px 20px; font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

.faq-answer-inner p { margin-bottom: 10px; }

.faq-answer-inner p:last-child { margin-bottom: 0; }

/* === Footer === */
.site-footer {
  background: rgba(8,12,22,0.9);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 60px 0 30px;
  position: relative;
  z-index: 1;
}

.footer-grid { display: flex; gap: 40px; flex-wrap: wrap; margin-bottom: 40px; }

.footer-brand { flex: 2; min-width: 260px; }

.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }

.footer-logo .brand-text { font-size: 18px; }

.footer-brand p { font-size: 14px; color: var(--text-secondary); max-width: 380px; line-height: 1.7; }

.footer-col { flex: 1; min-width: 150px; }

.footer-col h4 { font-size: 14px; font-weight: 600; color: var(--text); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }

.footer-col ul { list-style: none; padding: 0; }

.footer-col ul li { margin-bottom: 10px; }

.footer-col ul a { font-size: 14px; color: var(--text-secondary); transition: var(--transition); }

.footer-col ul a:hover { color: var(--cyan); padding-left: 4px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p { font-size: 13px; color: var(--text-weak); }

.footer-bottom a { color: var(--text-secondary); font-size: 13px; }

.footer-bottom a:hover { color: var(--cyan); }

/* === 响应式断点 === */
@media (max-width: 1024px) {
  .recommend-grid { grid-template-columns: repeat(2, 1fr); }
  
  .bento-item.large, .bento-item.small { width: 100%; }
  
  .nav-links { gap: 4px; }
  
  .nav-item { padding: 8px 12px; font-size: 13px; }
  
  .nav-item span { display: inline; }
  
  .hero h1 { font-size: 40px; }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }
  
  h1 { font-size: 32px; }
  
  h2 { font-size: 24px; }
  
  h3 { font-size: 20px; }
  
  .nav-panel { height: 56px; padding: 0 10px; gap: 8px; }
  
  .hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.04);
    color: var(--text);
    font-size: 16px;
    transition: var(--transition);
  }
  
  .hamburger:hover { border-color: rgba(38,214,198,0.4); color: var(--cyan); }
  
  .nav-links.desktop { display: none; }
  
  .nav-cta.desktop { display: none; }
  
  .hero { min-height: 85vh; padding: 120px 0 64px; }
  
  .hero h1 { font-size: 32px; }
  
  .hero-sub { font-size: 16px; }
  
  .hero-actions { flex-direction: column; align-items: flex-start; }
  
  .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; justify-content: center; }
  
  .catalog-card { flex: 0 0 80%; }
  
  .news-card { flex-direction: column; gap: 12px; padding: 20px; }
  
  .news-date-col { flex: 0 0 auto; flex-direction: row; align-items: center; gap: 10px; }
  
  .cta-panel { flex-direction: column; padding: 28px 24px; align-items: flex-start; }
  
  .cta-actions { width: 100%; }
  
  .cta-actions .btn-amber { flex: 1; justify-content: center; }
  
  .faq-question { font-size: 15px; padding: 18px 20px; }
  
  .grid-container { padding: 0 16px; }
  
  .container { padding: 0 16px; }
}

@media (max-width: 520px) {
  .recommend-grid { grid-template-columns: 1fr; }
  
  .bento-item { min-height: 220px; }
  
  .bento-content { padding: 20px; }
  
  .bento-title { font-size: 18px; }
  
  .bento-desc { font-size: 13px; }
  
  section { padding: 48px 0; }
  
  .footer-grid { gap: 24px; }
  
  .footer-bottom { flex-direction: column; text-align: center; }
  
  .brand-text { font-size: 14px; }
  
  .brand-glyph { width: 30px; height: 30px; font-size: 14px; }
  
  .catalog-card { flex: 0 0 85%; padding: 22px; }
  
  .news-card { padding: 18px; }
  
  .hero-chip { font-size: 12px; }
  
  .shield { font-size: 12px; padding: 6px 12px; }
}

/* roulang page: category1 */
:root {
      --bg-deep: #0B1220;
      --bg-panel: #101A2F;
      --glass-bg: rgba(255, 255, 255, 0.055);
      --glass-strong: rgba(255, 255, 255, 0.09);
      --line: rgba(255, 255, 255, 0.12);
      --line-strong: rgba(255, 255, 255, 0.18);
      --brand-blue: #2F6BFF;
      --brand-deep: #1B4FFF;
      --teal: #26D6C6;
      --amber: #F5B942;
      --error-pink: #FF5C7A;
      --text-main: #F3F7FF;
      --text-secondary: rgba(226, 236, 255, 0.72);
      --text-muted: rgba(226, 236, 255, 0.5);
      --radius-lg: 20px;
      --radius-md: 16px;
      --radius-sm: 10px;
      --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.28);
      --shadow-hover: 0 16px 40px rgba(27, 79, 255, 0.22);
      --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-deep);
      background-image:
        radial-gradient(ellipse at 85% 0%, rgba(38, 214, 198, 0.07) 0%, transparent 55%),
        radial-gradient(ellipse at 10% 10%, rgba(47, 107, 255, 0.16) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(27, 79, 255, 0.08) 0%, transparent 40%);
      background-attachment: fixed;
      color: var(--text-main);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      min-height: 100vh;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(/%23n)' opacity='0.025'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 1;
    }

    a {
      color: var(--text-main);
      text-decoration: none;
      transition: var(--transition);
    }

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

    button,
    input,
    textarea {
      font-family: var(--font-sans);
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--teal);
      outline-offset: 3px;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      position: relative;
      z-index: 2;
    }

    .section {
      padding: 96px 0;
      position: relative;
    }

    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: rgba(38, 214, 198, 0.1);
      border: 1px solid rgba(38, 214, 198, 0.25);
      border-radius: 999px;
      color: var(--teal);
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.3;
      margin: 16px 0 12px;
      color: var(--text-main);
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-secondary);
      max-width: 640px;
      line-height: 1.7;
    }

    /* Buttons */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-deep) 100%);
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: 999px;
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      box-shadow: 0 8px 30px rgba(47, 107, 255, 0.45);
      transition: var(--transition);
      cursor: pointer;
    }

    .btn-primary:hover {
      box-shadow: 0 10px 40px rgba(47, 107, 255, 0.7);
      transform: translateY(-2px);
      color: #fff;
      filter: brightness(1.05);
    }

    .btn-primary:active {
      transform: translateY(1px);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.25);
      border-radius: 999px;
      color: var(--text-main);
      font-size: 15px;
      font-weight: 500;
      transition: var(--transition);
      cursor: pointer;
    }

    .btn-secondary:hover {
      border-color: var(--teal);
      background: rgba(38, 214, 198, 0.1);
      color: var(--teal);
      transform: translateY(-2px);
    }

    .btn-secondary:active {
      transform: translateY(1px);
    }

    /* Header Navigation */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      padding: 12px 24px;
      background: rgba(11, 18, 32, 0.72);
      backdrop-filter: blur(18px) saturate(140%);
      -webkit-backdrop-filter: blur(18px) saturate(140%);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav-panel {
      max-width: 1320px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      gap: 12px;
      background: rgba(255, 255, 255, 0.055);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 16px;
      padding: 10px 14px;
      min-height: 68px;
      backdrop-filter: blur(14px) saturate(140%);
      -webkit-backdrop-filter: blur(14px) saturate(140%);
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-right: 8px;
      flex-shrink: 0;
    }

    .brand-glyph {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--brand-blue), var(--brand-deep));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      box-shadow: 0 4px 16px rgba(47, 107, 255, 0.4);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }

    .brand-text {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: 0.5px;
      line-height: 1.2;
      white-space: nowrap;
    }

    .brand-text span {
      color: var(--teal);
      margin: 0 1px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex: 1;
      justify-content: center;
      flex-wrap: nowrap;
    }

    .nav-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 18px;
      border-radius: 10px;
      background: transparent;
      color: var(--text-secondary);
      font-size: 14px;
      font-weight: 500;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .nav-item i {
      font-size: 14px;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .nav-item:hover {
      background: rgba(47, 107, 255, 0.18);
      color: var(--text-main);
    }

    .nav-item:hover i {
      color: var(--teal);
    }

    .nav-item.active {
      background: rgba(38, 214, 198, 0.12);
      border-color: rgba(38, 214, 198, 0.45);
      color: #fff;
    }

    .nav-item.active i {
      color: var(--teal);
    }

    .nav-cta {
      flex-shrink: 0;
    }

    .nav-cta .btn-primary {
      padding: 10px 22px;
      font-size: 14px;
    }

    .hamburger {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background: rgba(255, 255, 255, 0.07);
      border: 1px solid rgba(255, 255, 255, 0.14);
      color: var(--text-main);
      font-size: 18px;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
    }

    .hamburger:hover {
      background: rgba(47, 107, 255, 0.2);
      border-color: rgba(47, 107, 255, 0.4);
    }

    .mobile-menu {
      display: none;
      flex-direction: column;
      gap: 4px;
      background: rgba(16, 26, 47, 0.95);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 16px;
      margin: 10px auto 0;
      max-width: 1320px;
      padding: 14px;
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
    }

    .mobile-menu .nav-item {
      padding: 14px;
      width: 100%;
      justify-content: flex-start;
      border-radius: 12px;
      border: 1px solid transparent;
    }

    .mobile-menu .nav-item:hover {
      background: rgba(47, 107, 255, 0.18);
    }

    .mobile-menu.open {
      display: flex;
    }

    /* Hero */
    .category-hero {
      position: relative;
      min-height: 64vh;
      display: flex;
      align-items: center;
      padding: 140px 0 80px;
      overflow: hidden;
    }

    .category-hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      z-index: 0;
    }

    .category-hero-bg::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(11, 18, 32, 0.55) 0%, rgba(11, 18, 32, 0.75) 50%, #0B1220 100%);
    }

    .category-hero .container {
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 18px;
      background: rgba(38, 214, 198, 0.12);
      border: 1px solid rgba(38, 214, 198, 0.3);
      border-radius: 999px;
      color: var(--teal);
      font-size: 13px;
      font-weight: 500;
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }

    .category-hero h1 {
      font-size: 44px;
      font-weight: 700;
      line-height: 1.25;
      margin-bottom: 16px;
      max-width: 720px;
      letter-spacing: 1px;
    }

    .category-hero p.hero-desc {
      font-size: 18px;
      color: var(--text-secondary);
      max-width: 640px;
      line-height: 1.7;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* Portal Directory (sticky + content) */
    .portal-directory {
      padding: 80px 0 40px;
      position: relative;
      z-index: 2;
    }

    .directory-grid {
      display: flex;
      gap: 48px;
      align-items: flex-start;
    }

    .directory-side {
      width: 280px;
      flex-shrink: 0;
      position: sticky;
      top: 120px;
    }

    .side-card {
      background: var(--glass-bg);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 28px;
      backdrop-filter: blur(14px) saturate(140%);
      -webkit-backdrop-filter: blur(14px) saturate(140%);
      box-shadow: var(--shadow-card);
    }

    .side-card h2 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 18px;
      padding-bottom: 14px;
      border-bottom: 1px solid var(--line);
    }

    .side-nav {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .side-nav li {
      position: relative;
    }

    .side-nav a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 14px;
      border-radius: 10px;
      color: var(--text-secondary);
      font-size: 14px;
      border: 1px solid transparent;
      transition: var(--transition);
    }

    .side-nav a .num {
      font-family: "SF Mono", "Consolas", monospace;
      font-size: 13px;
      color: var(--teal);
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(38, 214, 198, 0.1);
      border-radius: 8px;
      font-weight: 600;
    }

    .side-nav a:hover {
      background: rgba(47, 107, 255, 0.15);
      border-color: rgba(47, 107, 255, 0.2);
      color: var(--text-main);
    }

    .side-nav a.active {
      background: rgba(38, 214, 198, 0.12);
      border-color: rgba(38, 214, 198, 0.35);
      color: #fff;
    }

    .directory-content {
      flex: 1;
      min-width: 0;
    }

    .content-block {
      margin-bottom: 56px;
      position: relative;
    }

    .content-block:last-child {
      margin-bottom: 0;
    }

    .block-header {
      display: flex;
      align-items: flex-start;
      gap: 20px;
      margin-bottom: 20px;
    }

    .block-num {
      font-size: 48px;
      font-weight: 700;
      line-height: 1;
      font-family: "SF Mono", "Consolas", monospace;
      background: linear-gradient(135deg, var(--teal), #5AE5D8);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      flex-shrink: 0;
    }

    .block-header h2 {
      font-size: 28px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-main);
    }

    .block-header .sub {
      font-size: 14px;
      color: var(--text-muted);
      margin-top: 4px;
    }

    .block-body {
      padding-left: 68px;
    }

    .block-body p {
      color: var(--text-secondary);
      margin-bottom: 16px;
      line-height: 1.8;
    }

    .block-body p:last-child {
      margin-bottom: 0;
    }

    .block-divider {
      height: 1px;
      background: linear-gradient(90deg, rgba(38, 214, 198, 0.4), rgba(255, 255, 255, 0.08) 70%, transparent);
      border: none;
      margin-top: 48px;
      position: relative;
    }

    .block-divider::after {
      content: '';
      position: absolute;
      top: -3px;
      right: 0;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--teal);
      box-shadow: 0 0 12px rgba(38, 214, 198, 0.6);
    }

    .feature-list {
      list-style: none;
      margin-top: 16px;
    }

    .feature-list li {
      display: flex;
      gap: 12px;
      padding: 10px 0;
      color: var(--text-secondary);
      border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
      line-height: 1.7;
    }

    .feature-list li:last-child {
      border-bottom: none;
    }

    .feature-list li i {
      color: var(--teal);
      margin-top: 5px;
      font-size: 14px;
      flex-shrink: 0;
    }

    .feature-list strong {
      color: var(--text-main);
      font-weight: 600;
    }

    /* FAQ */
    .faq-section {
      padding: 60px 0 80px;
      position: relative;
      z-index: 2;
    }

    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .accordion-item {
      margin-bottom: 12px;
      background: var(--glass-bg);
      border: 1px solid var(--line);
      border-radius: 14px;
      overflow: hidden;
      backdrop-filter: blur(14px) saturate(140%);
      -webkit-backdrop-filter: blur(14px) saturate(140%);
      transition: var(--transition);
    }

    .accordion-item:hover {
      border-color: rgba(38, 214, 198, 0.3);
    }

    .accordion-title {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      background: transparent;
      border: none;
      color: var(--text-main);
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      text-align: left;
      transition: var(--transition);
    }

    .accordion-title:hover {
      color: var(--teal);
    }

    .accordion-title .icon {
      width: 28px;
      height: 28px;
      border-radius: 8px;
      background: rgba(38, 214, 198, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
      flex-shrink: 0;
    }

    .accordion-title .icon i {
      color: var(--teal);
      font-size: 14px;
      transition: transform 0.3s ease;
    }

    .accordion-item.is-active .accordion-title .icon i {
      transform: rotate(45deg);
    }

    .accordion-content {
      display: none;
      padding: 0 24px 20px;
      color: var(--text-secondary);
      font-size: 15px;
      line-height: 1.8;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .accordion-content p {
      padding-top: 14px;
    }

    .accordion-item.is-active .accordion-content {
      display: block;
    }

    /* Related cards */
    .related-section {
      padding: 60px 0 80px;
      position: relative;
      z-index: 2;
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 32px;
    }

    .related-card {
      background: var(--glass-bg);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      overflow: hidden;
      backdrop-filter: blur(14px) saturate(140%);
      -webkit-backdrop-filter: blur(14px) saturate(140%);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .related-card:hover {
      transform: translateY(-6px);
      border-color: rgba(38, 214, 198, 0.45);
      box-shadow: var(--shadow-hover);
    }

    .related-cover {
      position: relative;
      aspect-ratio: 16 / 9;
      overflow: hidden;
    }

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

    .related-card:hover .related-cover img {
      transform: scale(1.06);
    }

    .related-cover::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 55%, rgba(11, 18, 32, 0.7) 100%);
    }

    .related-body {
      padding: 18px 20px 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .related-body h3 {
      font-size: 16px;
      font-weight: 600;
      line-height: 1.45;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .related-body h3 a:hover {
      color: var(--teal);
    }

    .related-body p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 14px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .related-meta {
      margin-top: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
      color: var(--text-muted);
    }

    .related-meta a {
      color: var(--teal);
      font-weight: 500;
      font-size: 13px;
    }

    /* CTA favorite */
    .cta-favorite {
      padding: 40px 0 80px;
      position: relative;
      z-index: 2;
    }

    .cta-panel {
      background: rgba(255, 255, 255, 0.055);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-top-color: rgba(255, 255, 255, 0.18);
      border-radius: 20px;
      padding: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
      backdrop-filter: blur(16px) saturate(140%);
      -webkit-backdrop-filter: blur(16px) saturate(140%);
      box-shadow: var(--shadow-card);
      position: relative;
      overflow: hidden;
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      top: -60%;
      right: -20%;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(38, 214, 198, 0.1) 0%, transparent 70%);
      pointer-events: none;
    }

    .cta-info {
      display: flex;
      align-items: center;
      gap: 20px;
      flex: 1;
      min-width: 260px;
    }

    .cta-icon {
      width: 56px;
      height: 56px;
      border-radius: 16px;
      background: linear-gradient(135deg, var(--brand-blue), var(--brand-deep));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: #fff;
      flex-shrink: 0;
      box-shadow: 0 6px 20px rgba(47, 107, 255, 0.35);
    }

    .cta-info h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .cta-info p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    .cta-btns {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .btn-fav {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.22);
      background: transparent;
      color: var(--text-main);
      font-size: 15px;
      cursor: pointer;
      transition: var(--transition);
    }

    .btn-fav:hover {
      border-color: var(--amber);
      color: var(--amber);
      background: rgba(245, 185, 66, 0.08);
    }

    .btn-fav.is-faved {
      background: rgba(245, 185, 66, 0.15);
      border-color: var(--amber);
      color: var(--amber);
    }

    .btn-share {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.22);
      background: transparent;
      color: var(--text-main);
      font-size: 15px;
      cursor: pointer;
      transition: var(--transition);
    }

    .btn-share:hover {
      border-color: var(--teal);
      color: var(--teal);
      background: rgba(38, 214, 198, 0.08);
    }

    /* Footer */
    .site-footer {
      background: rgba(8, 12, 22, 0.9);
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 60px 0 24px;
      position: relative;
      z-index: 2;
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .footer-logo .brand-glyph {
      width: 36px;
      height: 36px;
      font-size: 17px;
    }

    .footer-logo .brand-text {
      font-size: 18px;
    }

    .footer-brand p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.75;
      max-width: 360px;
    }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col ul a {
      color: var(--text-secondary);
      font-size: 14px;
      transition: var(--transition);
    }

    .footer-col ul a:hover {
      color: var(--teal);
      padding-left: 4px;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding-top: 24px;
      flex-wrap: wrap;
    }

    .footer-bottom p {
      font-size: 13px;
      color: var(--text-muted);
    }

    .footer-bottom a {
      color: var(--text-secondary);
      font-size: 13px;
    }

    .footer-bottom a:hover {
      color: var(--teal);
    }

    /* Toast */
    .toast-msg {
      position: fixed;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%) translateY(100px);
      background: rgba(16, 26, 47, 0.95);
      border: 1px solid rgba(38, 214, 198, 0.4);
      color: var(--text-main);
      padding: 14px 28px;
      border-radius: 12px;
      font-size: 14px;
      z-index: 2000;
      opacity: 0;
      transition: all 0.4s ease;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
    }

    .toast-msg.show {
      opacity: 1;
      transform: translateX(-50%) translateY(0);
    }

    /* Responsive */
    @media (max-width: 1280px) {
      .container {
        padding: 0 28px;
      }
    }

    @media (max-width: 1024px) {
      .section {
        padding: 72px 0;
      }

      .nav-links {
        gap: 2px;
      }

      .nav-item {
        padding: 8px 12px;
        font-size: 13px;
      }

      .nav-item span {
        display: none;
      }

      .nav-item i {
        font-size: 18px;
      }

      .directory-grid {
        flex-direction: column;
        gap: 32px;
      }

      .directory-side {
        width: 100%;
        position: static;
      }

      .side-nav {
        flex-direction: row;
        flex-wrap: wrap;
      }

      .side-nav a {
        flex: 1;
        min-width: 140px;
      }

      .related-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-panel {
        min-height: 56px;
        padding: 8px 10px;
      }

      .brand-text span {
        display: none;
      }

      .brand-text {
        font-size: 17px;
      }

      .desktop.nav-links,
      .desktop.nav-cta {
        display: none;
      }

      .hamburger {
        display: inline-flex;
        margin-left: auto;
      }

      .category-hero {
        min-height: 70vh;
        padding: 110px 0 60px;
      }

      .category-hero h1 {
        font-size: 32px;
      }

      .category-hero p.hero-desc {
        font-size: 16px;
      }

      .section-title {
        font-size: 24px;
      }

      .block-header {
        flex-direction: column;
        gap: 8px;
      }

      .block-num {
        font-size: 32px;
      }

      .block-body {
        padding-left: 0;
      }

      .related-grid {
        grid-template-columns: 1fr;
      }

      .cta-panel {
        padding: 28px 20px;
        flex-direction: column;
        align-items: flex-start;
      }

      .cta-btns {
        width: 100%;
      }

      .cta-btns .btn-fav,
      .cta-btns .btn-share {
        flex: 1;
        justify-content: center;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 640px) {
      .container {
        padding: 0 20px;
      }

      .section {
        padding: 48px 0;
      }

      .hero-actions {
        flex-direction: column;
      }

      .hero-actions .btn-primary,
      .hero-actions .btn-secondary {
        width: 100%;
      }

      .side-nav a {
        min-width: 100%;
      }

      .accordion-title {
        padding: 16px 18px;
        font-size: 15px;
      }

      .accordion-content {
        padding: 0 18px 16px;
      }

      .block-header h2 {
        font-size: 22px;
      }
    }

/* roulang page: article */
:root {
  --bg-base: #0B1220;
  --bg-panel: #101A2F;
  --glass: rgba(255,255,255,0.055);
  --glass-strong: rgba(255,255,255,0.09);
  --border-glow: rgba(255,255,255,0.12);
  --accent: #2F6BFF;
  --accent-deep: #1B4FFF;
  --cyan: #26D6C6;
  --amber: #F5B942;
  --error: #FF5C7A;
  --text-main: #F3F7FF;
  --text-secondary: rgba(226,236,255,0.72);
  --text-muted: rgba(226,236,255,0.5);
  --radius-large: 20px;
  --radius-card: 16px;
  --radius-chip: 10px;
  --shadow-card: 0 10px 30px rgba(0,0,0,0.28);
  --shadow-hover: 0 16px 40px rgba(27,79,255,0.22);
  --transition: all .28s cubic-bezier(.4,0,.2,1);
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg-base);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  font-size: 16px;
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
button, input, textarea {
  font-family: inherit;
}
ul, ol {
  list-style: none;
}
.bg-aurora {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 500px at 85% -5%, rgba(38,214,198,0.07), transparent 60%),
    radial-gradient(700px 400px at 5% 20%, rgba(47,107,255,0.14), transparent 55%),
    radial-gradient(1000px 600px at 50% 110%, rgba(27,79,255,0.1), transparent 60%);
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.grid-container {
  max-width: 1200px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 8px 30px rgba(47,107,255,0.45);
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary:hover {
  box-shadow: 0 12px 36px rgba(47,107,255,0.7);
  filter: brightness(1.04);
  transform: translateY(-2px);
  color: #FFFFFF;
}
.btn-primary:active {
  transform: translateY(1px);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--text-main);
  font-size: 15px;
  font-weight: 500;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
  cursor: pointer;
}
.btn-secondary:hover {
  border-color: var(--cyan);
  background: rgba(38,214,198,0.1);
  color: #FFFFFF;
  transform: translateY(-2px);
}
.btn-secondary:active {
  transform: translateY(1px);
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-chip);
  background: var(--glass);
  border: 1px solid var(--border-glow);
  font-size: 13px;
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.chip-cyan {
  border-color: rgba(38,214,198,0.35);
  color: var(--cyan);
  background: rgba(38,214,198,0.08);
}

/* ===== Header Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 12px 16px 10px;
  background: linear-gradient(180deg, rgba(11,18,32,0.82) 0%, rgba(11,18,32,0.55) 70%, transparent 100%);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: var(--transition);
}
.nav-panel {
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(16,26,47,0.68);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.28);
  position: relative;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px;
  flex-shrink: 0;
}
.brand-glyph {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  border-radius: 10px;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: 0 0 18px rgba(47,107,255,0.35);
  flex-shrink: 0;
}
.brand-text {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.5px;
  line-height: 1.2;
  white-space: nowrap;
}
.brand-text span {
  color: var(--cyan);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  background: rgba(255,255,255,0.04);
  border: 1px solid transparent;
  transition: var(--transition);
}
.nav-item i {
  font-size: 15px;
  color: var(--cyan);
  opacity: 0.85;
}
.nav-item:hover {
  background: rgba(47,107,255,0.18);
  color: #FFFFFF;
  border-color: rgba(255,255,255,0.08);
  transform: translateY(-1px);
}
.nav-item.active {
  background: rgba(38,214,198,0.12);
  border-color: rgba(38,214,198,0.5);
  color: #FFFFFF;
  box-shadow: 0 0 20px rgba(38,214,198,0.12);
}
.nav-item.active i {
  color: var(--cyan);
  opacity: 1;
}
.nav-cta .btn-primary {
  padding: 10px 22px;
  font-size: 14px;
}
.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border-glow);
  background: var(--glass);
  color: var(--text-main);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
}
.hamburger:hover {
  border-color: var(--cyan);
  background: rgba(38,214,198,0.1);
}
.mobile-menu {
  display: none;
  max-width: 1200px;
  margin: 8px auto 0;
  background: rgba(16,26,47,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: 12px;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu .nav-item {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border-radius: 10px;
}
.mobile-menu .nav-item.active {
  border-color: rgba(38,214,198,0.5);
}
.mobile-menu .nav-cta .btn-primary {
  width: 100%;
  height: 48px;
}

/* ===== Article Hero ===== */
.article-hero {
  position: relative;
  min-height: 480px;
  padding: 150px 0 80px;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,18,32,0.55) 0%, rgba(11,18,32,0.74) 46%, #0B1220 100%);
  z-index: 1;
}
.article-hero::after {
  content: '';
  position: absolute;
  top: -80px;
  right: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(38,214,198,0.14) 0%, transparent 62%);
  z-index: 1;
  pointer-events: none;
}
.article-hero .container {
  position: relative;
  z-index: 2;
  max-width: 960px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(38,214,198,0.1);
  border: 1px solid rgba(38,214,198,0.32);
  color: var(--cyan);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: 22px;
}
.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(38,214,198,0.9);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}
.breadcrumb-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--glass);
  border: 1px solid var(--border-glow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-bottom: 28px;
  font-size: 14px;
  color: var(--text-secondary);
}
.breadcrumb-bar a {
  color: var(--text-secondary);
  transition: var(--transition);
}
.breadcrumb-bar a:hover {
  color: var(--cyan);
}
.breadcrumb-bar i {
  font-size: 11px;
  color: var(--text-muted);
}
.breadcrumb-bar .current {
  color: var(--text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 360px;
}
.article-hero h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  max-width: 860px;
  margin-bottom: 24px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  letter-spacing: 0.5px;
}
.article-chip-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.article-chip-row .chip i {
  color: var(--cyan);
  font-size: 13px;
}

/* ===== Article Reader ===== */
.article-reader {
  padding: 64px 0 48px;
  position: relative;
}
.reading-progress {
  position: fixed;
  top: 90px;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 999;
  background: transparent;
  pointer-events: none;
}
.reading-progress .progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
  box-shadow: 0 0 12px rgba(38,214,198,0.5);
  border-radius: 0 4px 4px 0;
  transition: width 0.15s linear;
}
.article-content-wrap {
  max-width: 760px;
  margin: 0 auto;
}
.article-body {
  background: var(--glass);
  border: 1px solid var(--border-glow);
  border-radius: 20px;
  padding: 44px 48px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
}
.article-body p {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(226,236,255,0.86);
  margin-bottom: 24px;
}
.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  margin: 36px 0 20px;
  padding-left: 16px;
  border-left: 4px solid var(--cyan);
  border-radius: 0 4px 4px 0;
  line-height: 1.4;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-main);
  margin: 28px 0 16px;
  padding-left: 12px;
  border-left: 3px solid var(--accent);
  border-radius: 0 3px 3px 0;
  line-height: 1.5;
}
.article-body h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin: 24px 0 14px;
}
.article-body img {
  width: 100%;
  border-radius: 14px;
  margin: 24px 0;
  box-shadow: 0 8px 28px rgba(0,0,0,0.35);
}
.article-body figure {
  margin: 24px 0;
}
.article-body figcaption {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  padding: 10px 0 0;
}
.article-body blockquote {
  position: relative;
  padding: 24px 28px;
  margin: 28px 0;
  background: rgba(38,214,198,0.06);
  border: 1px solid rgba(38,214,198,0.22);
  border-left: 4px solid var(--cyan);
  border-radius: 12px;
  color: rgba(226,236,255,0.82);
  font-style: normal;
}
.article-body blockquote p {
  margin-bottom: 8px;
  font-size: 16px;
}
.article-body blockquote p:last-child {
  margin-bottom: 0;
}
.article-body ul,
.article-body ol {
  margin: 20px 0 24px;
  padding-left: 28px;
  color: rgba(226,236,255,0.86);
  font-size: 17px;
  line-height: 1.9;
}
.article-body ul {
  list-style: disc;
}
.article-body ol {
  list-style: decimal;
}
.article-body li {
  margin-bottom: 8px;
}
.article-body li::marker {
  color: var(--cyan);
}
.article-body table {
  width: 100%;
  margin: 28px 0;
  border-collapse: separate;
  border-spacing: 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  overflow: hidden;
}
.article-body th {
  background: rgba(47,107,255,0.18);
  color: var(--text-main);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  text-align: left;
}
.article-body td {
  padding: 12px 16px;
  font-size: 15px;
  color: rgba(226,236,255,0.8);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.article-body tr:last-child td {
  border-bottom: none;
}
.article-body tr:hover td {
  background: rgba(38,214,198,0.04);
}
.article-body hr {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.12);
  margin: 32px 0;
}
.article-body a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(38,214,198,0.3);
  transition: var(--transition);
}
.article-body a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}
.article-empty {
  text-align: center;
  background: var(--glass);
  border: 1px dashed rgba(255,255,255,0.2);
  border-radius: 16px;
  padding: 60px 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.article-empty .empty-icon {
  font-size: 42px;
  color: var(--cyan);
  margin-bottom: 16px;
  opacity: 0.6;
}
.article-empty h3 {
  font-size: 22px;
  margin-bottom: 10px;
  color: var(--text-main);
}
.article-empty p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 24px;
}

/* ===== Recommend Section ===== */
.recommend-section {
  padding: 72px 0 96px;
  position: relative;
}
.recommend-section .grid-container {
  max-width: 1200px;
}
.section-heading {
  margin-bottom: 36px;
  position: relative;
}
.section-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(38,214,198,0.1);
  border: 1px solid rgba(38,214,198,0.3);
  color: var(--cyan);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-heading h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
}
.section-heading .toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.tool-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--border-glow);
  transition: var(--transition);
}
.tool-link:hover {
  color: var(--cyan);
  border-color: rgba(38,214,198,0.4);
  transform: translateY(-1px);
}
.recommend-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--glass);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.recommend-card:hover {
  transform: translateY(-4px);
  border-color: rgba(38,214,198,0.5);
  box-shadow: var(--shadow-hover);
}
.recommend-cover {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
}
.recommend-cover img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.recommend-card:hover .recommend-cover img {
  transform: scale(1.05);
}
.recommend-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(11,18,32,0.72) 100%);
  opacity: 0.7;
  transition: var(--transition);
}
.recommend-card:hover .recommend-cover::after {
  opacity: 0.9;
}
.rec-number {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(11,18,32,0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.5px;
  font-variant-numeric: tabular-nums;
}
.recommend-body {
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.recommend-body .chip {
  align-self: flex-start;
  margin-bottom: 12px;
}
.recommend-body h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: 10px;
  transition: var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.recommend-card:hover .recommend-body h3 {
  color: var(--cyan);
}
.recommend-body p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.rec-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  margin-top: 4px;
}
.rec-link i {
  font-size: 13px;
  color: var(--cyan);
  transition: transform 0.25s ease;
}
.recommend-card:hover .rec-link {
  color: var(--text-main);
}
.recommend-card:hover .rec-link i {
  transform: translateX(4px);
}

/* ===== Article Back Nav ===== */
.article-back-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 52px;
  padding: 28px;
  background: var(--glass);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ===== Footer ===== */
.site-footer {
  background: rgba(8,12,22,0.9);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 56px 0 0;
  margin-top: 0;
}
.site-footer .container {
  max-width: 1200px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.footer-logo .brand-glyph {
  width: 34px;
  height: 34px;
  font-size: 17px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 360px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer-col ul a:hover {
  color: var(--cyan);
  padding-left: 4px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 0;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom a {
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer-bottom a:hover {
  color: var(--cyan);
}

/* ===== Back to top ===== */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 80px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-strong);
  border: 1px solid var(--border-glow);
  color: var(--text-main);
  font-size: 18px;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
}
.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-top:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 18px rgba(38,214,198,0.2);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-links.desktop {
    display: none;
  }
  .nav-cta.desktop {
    display: none;
  }
  .hamburger {
    display: inline-flex;
  }
  .mobile-menu {
    display: none;
  }
  .mobile-menu.open {
    display: flex;
  }
  .article-hero {
    padding: 136px 0 64px;
    min-height: 400px;
  }
  .article-hero h1 {
    font-size: 38px;
  }
  .article-body {
    padding: 36px 32px;
  }
  .article-body p {
    font-size: 16px;
  }
  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 768px) {
  .nav-panel {
    height: 56px;
  }
  .brand-text {
    font-size: 17px;
  }
  .article-hero {
    padding: 116px 0 48px;
    min-height: 360px;
  }
  .hero-badge {
    font-size: 12px;
    padding: 6px 14px;
    margin-bottom: 16px;
  }
  .breadcrumb-bar {
    font-size: 13px;
    padding: 8px 14px;
    margin-bottom: 20px;
  }
  .breadcrumb-bar .current {
    max-width: 220px;
  }
  .article-hero h1 {
    font-size: 32px;
    margin-bottom: 18px;
  }
  .article-chip-row {
    gap: 8px;
  }
  .chip {
    font-size: 12px;
    padding: 5px 12px;
  }
  .article-reader {
    padding: 48px 0 32px;
  }
  .article-body {
    padding: 24px 20px;
  }
  .recommend-section {
    padding: 52px 0 72px;
  }
  .section-heading h2 {
    font-size: 26px;
  }
  .article-back-nav {
    padding: 20px;
    gap: 12px;
  }
  .article-back-nav .btn-primary,
  .article-back-nav .btn-secondary {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .nav-panel {
    padding: 0 8px;
  }
  .brand-text {
    font-size: 15px;
  }
  .brand-text span {
    display: none;
  }
  .brand-glyph {
    width: 34px;
    height: 34px;
    font-size: 18px;
  }
  .article-hero {
    padding: 108px 0 40px;
    min-height: auto;
  }
  .article-hero h1 {
    font-size: 27px;
  }
  .breadcrumb-bar .current {
    max-width: 150px;
  }
  .article-body {
    padding: 20px 16px;
  }
  .article-body p {
    font-size: 15px;
  }
  .article-body h2 {
    font-size: 22px;
  }
  .article-body h3 {
    font-size: 18px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .back-top {
    right: 16px;
    bottom: 70px;
    width: 40px;
    height: 40px;
    font-size: 15px;
  }
}

/* roulang page: category2 */
:root {
  --bg-deep: #0B1220;
  --bg-panel: #101A2F;
  --glass: rgba(255,255,255,0.055);
  --glass-strong: rgba(255,255,255,0.09);
  --border: rgba(255,255,255,0.12);
  --border-bright: rgba(255,255,255,0.18);
  --brand: #2F6BFF;
  --brand-deep: #1B4FFF;
  --cyan: #26D6C6;
  --amber: #F5B942;
  --rose: #FF5C7A;
  --text-main: #F3F7FF;
  --text-secondary: rgba(226,236,255,0.72);
  --text-muted: rgba(226,236,255,0.5);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 10px 30px rgba(0,0,0,0.28);
  --shadow-hover: 0 16px 40px rgba(27,79,255,0.22);
  --gap: 24px;
  --font-stack: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: hidden; scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  background-color: var(--bg-deep);
  background-image: radial-gradient(ellipse at 80% 0%, rgba(38,214,198,0.06), transparent 40%), radial-gradient(ellipse at 10% 30%, rgba(47,107,255,0.12), transparent 50%);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: 0 0;
  pointer-events: none;
  z-index: 0;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: all .3s ease; }
a:hover { color: var(--cyan); }
button, input, textarea, select { font-family: inherit; }
ul, ol { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--gap);
}
.section { padding: 96px 0; position: relative; z-index: 1; }
.section-head { margin-bottom: 40px; }
.section-head .chip { margin-bottom: 14px; }
.section-head h2 { font-size: 32px; font-weight: 700; color: var(--text-main); letter-spacing: -0.5px; }
.section-head p { color: var(--text-secondary); margin-top: 10px; max-width: 640px; font-size: 15px; }
.section-divider { border: 0; border-top: 1px solid rgba(255,255,255,0.08); margin: 0; }

/* Chip 徽章 */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  border-radius: 10px;
  background: rgba(38,214,198,0.1);
  border: 1px solid rgba(38,214,198,0.28);
  color: var(--cyan);
  font-weight: 500;
  white-space: nowrap;
}
.chip-brand {
  background: rgba(47,107,255,0.15);
  border-color: rgba(47,107,255,0.3);
  color: #8FB0FF;
}

/* 按钮系统 */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--brand-deep));
  color: #FFFFFF;
  font-size: 14px; font-weight: 600;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 8px 30px rgba(47,107,255,0.45);
  cursor: pointer;
  transition: all .3s ease;
  white-space: nowrap;
}
.btn-primary i { font-size: 13px; }
.btn-primary:hover {
  box-shadow: 0 10px 36px rgba(47,107,255,0.7);
  filter: brightness(1.04);
  color: #FFF;
  transform: translateY(-1px);
  text-decoration: none;
}
.btn-primary:active { transform: translateY(1px); }
.btn-primary:focus-visible, .btn-secondary:focus-visible, .btn-outline:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  background: transparent;
  color: var(--text-main);
  font-size: 14px; font-weight: 600;
  border: 1px solid rgba(255,255,255,0.25);
  cursor: pointer;
  transition: all .3s ease;
  white-space: nowrap;
}
.btn-secondary:hover {
  border-color: var(--cyan);
  background: rgba(38,214,198,0.1);
  color: #FFF;
  transform: translateY(-1px);
}
.btn-secondary:active { transform: translateY(1px); }

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  color: var(--text-main);
  font-size: 14px; font-weight: 500;
  border: 1px solid rgba(255,255,255,0.2);
  cursor: pointer;
  transition: all .3s ease;
  white-space: nowrap;
}
.btn-outline:hover {
  border-color: var(--cyan);
  background: rgba(38,214,198,0.08);
  color: #FFF;
}
.btn-outline.is-saved {
  background: rgba(245,185,66,0.14);
  border-color: var(--amber);
  color: var(--amber);
}

/* 导航 Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 12px 24px;
  background: rgba(11,18,32,0.65);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-panel {
  max-width: 1200px;
  margin: 0 auto;
  height: 68px;
  background: rgba(255,255,255,0.055);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid rgba(255,255,255,0.12);
  border-top: 1px solid rgba(255,255,255,0.18);
  border-radius: 16px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.32);
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px 0 4px;
  flex-shrink: 0;
}
.brand-glyph {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--brand-deep));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px;
  color: #FFF;
  box-shadow: 0 4px 15px rgba(47,107,255,0.4);
}
.brand-text {
  font-size: 18px; font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.2px;
}
.brand-text span { color: var(--cyan); }
.nav-links {
  display: flex;
  gap: 6px;
  margin: 0 auto;
  flex-wrap: nowrap;
}
.nav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.035);
  border: 1px solid transparent;
  transition: all .3s ease;
  white-space: nowrap;
}
.nav-item i { font-size: 14px; opacity: .85; }
.nav-item:hover {
  background: rgba(47,107,255,0.18);
  color: #FFF;
  transform: translateY(-1px);
  text-decoration: none;
}
.nav-item.active {
  color: #FFF;
  border-color: rgba(38,214,198,0.5);
  background: rgba(38,214,198,0.08);
}
.nav-cta { margin-left: auto; flex-shrink: 0; }
.hamburger {
  display: none;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-main);
  font-size: 18px;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  transition: all .3s ease;
}
.hamburger:hover { background: rgba(47,107,255,0.2); border-color: rgba(47,107,255,0.4); color: #FFF; }
.mobile-menu {
  display: none;
  max-width: 1200px;
  margin: 8px auto 0;
  padding: 12px;
  background: rgba(16,26,47,0.95);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  flex-direction: column;
  gap: 6px;
}
.mobile-menu .nav-item { justify-content: flex-start; height: 48px; width: 100%; }
.mobile-menu .nav-cta { width: 100%; margin-top: 8px; }
.mobile-menu .btn-primary { width: 100%; }

/* Hero 分类封面 */
.hero {
  min-height: 88vh;
  padding: 150px 0 80px;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  display: flex;
  align-items: center;
  z-index: 1;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(11,18,32,0.62), rgba(11,18,32,0.75) 70%, #0B1220 98%);
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  top: -100px; right: -80px;
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(38,214,198,0.09), transparent 60%);
  pointer-events: none;
  z-index: 1;
}
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 720px; text-align: left; }
.hero-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(38,214,198,0.1);
  border: 1px solid rgba(38,214,198,0.3);
  color: var(--cyan);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}
.hero h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 18px;
  color: var(--text-main);
}
.hero h1 span { color: var(--cyan); }
.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-badges {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-top: 40px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  font-size: 13px;
  border-radius: 12px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-main);
  backdrop-filter: blur(10px);
  transition: all .3s ease;
}
.hero-badge i { color: var(--cyan); font-size: 13px; }
.hero-badge:hover { border-color: rgba(38,214,198,0.4); background: rgba(38,214,198,0.08); color: #FFF; }

/* Bento 图文栅格 */
.bento-section { padding: 100px 0; }
.bento-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
  height: 100%;
  display: flex;
  align-items: flex-end;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-top: 1px solid var(--border-bright);
  box-shadow: var(--shadow-card);
  transition: all .35s ease;
}
.bento-card.wide { min-height: 400px; }
.bento-card .bento-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform .6s ease;
}
.bento-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,18,32,0.94) 0%, rgba(11,18,32,0.45) 50%, rgba(11,18,32,0.08) 100%);
  z-index: 1;
}
.bento-stats {
  position: absolute;
  top: 20px; right: 20px;
  z-index: 2;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(11,18,32,0.45);
  border: 1px solid rgba(255,255,255,0.16);
  color: var(--text-main);
  backdrop-filter: blur(8px);
  font-weight: 500;
}
.bento-content {
  position: relative;
  z-index: 2;
  padding: 32px 28px 28px;
  width: 100%;
}
.bento-content .chip { margin-bottom: 12px; }
.bento-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #FFF;
  letter-spacing: -0.2px;
}
.bento-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 90%;
}
.bento-card:hover { transform: translateY(-6px); border-color: rgba(38,214,198,0.5); box-shadow: var(--shadow-hover); }
.bento-card:hover .bento-bg { transform: scale(1.06); }

/* 精选服务列表 */
.service-list { display: flex; flex-direction: column; gap: 16px; }
.service-row {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  backdrop-filter: blur(10px);
  transition: all .3s ease;
}
.service-row:hover {
  border-color: rgba(38,214,198,0.45);
  background: rgba(255,255,255,0.08);
  transform: translateX(6px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}
.service-icon {
  width: 52px; height: 52px;
  flex-shrink: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(47,107,255,0.25), rgba(38,214,198,0.15));
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  color: var(--cyan);
  border: 1px solid rgba(255,255,255,0.1);
}
.service-body { flex: 1; min-width: 0; }
.service-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 4px; color: var(--text-main); }
.service-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin: 0; }
.service-meta { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.arrow-link {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-main);
  transition: all .3s ease;
}
.arrow-link:hover {
  background: rgba(38,214,198,0.15);
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateX(4px);
}

/* CTA 面板 */
.cta-panel {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  background: var(--glass);
  backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--border);
  border-top: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.cta-panel::before {
  content: '';
  position: absolute;
  top: -80px; right: -60px;
  width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(38,214,198,0.1), transparent 65%);
  pointer-events: none;
}
.cta-info { display: flex; align-items: center; gap: 18px; flex: 1 1 40%; min-width: 260px; }
.cta-icon {
  width: 56px; height: 56px;
  flex-shrink: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(38,214,198,0.2), rgba(47,107,255,0.18));
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  color: var(--cyan);
  border: 1px solid rgba(38,214,198,0.2);
}
.cta-info h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; color: var(--text-main); }
.cta-info p { font-size: 14px; color: var(--text-secondary); margin: 0; line-height: 1.6; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; flex-shrink: 0; }

/* FAQ 手风琴 */
.faq-list { max-width: 860px; margin: 0 auto; }
.accordion { background: transparent; }
.accordion-item {
  background: rgba(255,255,255,0.055) !important;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-radius: 14px !important;
  border: 1px solid rgba(255,255,255,0.12) !important;
  border-top: 1px solid rgba(255,255,255,0.18) !important;
  margin-bottom: 14px;
  overflow: hidden;
  transition: all .3s ease;
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}
.accordion-item:hover { border-color: rgba(38,214,198,0.35) !important; }
.accordion-item.is-active {
  border-left: 3px solid var(--cyan) !important;
  background: rgba(38,214,198,0.05) !important;
}
.accordion-title {
  background: transparent !important;
  color: var(--text-main) !important;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  padding: 22px 52px 22px 24px;
  position: relative;
  border-bottom: 0 !important;
  transition: all .3s ease;
}
.accordion-title:hover { color: var(--cyan) !important; }
.accordion-title::after {
  content: '+';
  position: absolute;
  right: 22px; top: 50%;
  transform: translateY(-50%);
  font-size: 26px;
  font-weight: 300;
  color: var(--cyan);
  transition: transform .35s ease;
  line-height: 1;
}
.accordion-item.is-active .accordion-title::after {
  transform: translateY(-50%) rotate(45deg);
}
.accordion-content {
  background: transparent !important;
  color: var(--text-secondary) !important;
  font-size: 15px;
  line-height: 1.8;
  padding: 0 24px 24px !important;
  border-bottom: 0 !important;
}

/* 页脚 */
.site-footer {
  position: relative;
  z-index: 1;
  background: rgba(8,12,22,0.95);
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 60px 0 24px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 0.9fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.8; max-width: 360px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: var(--text-main); margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: var(--text-secondary); transition: all .3s ease; }
.footer-col a:hover { color: var(--cyan); 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 rgba(255,255,255,0.08);
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); margin: 0; }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--cyan); }

/* 响应式断点 */
@media (max-width: 1024px) {
  .section { padding: 64px 0; }
  .bento-section { padding: 72px 0; }
  .hero h1 { font-size: 38px; }
  .hero { min-height: 70vh; padding: 130px 0 60px; }
  .nav-links.desktop, .nav-cta.desktop { display: none !important; }
  .hamburger { display: inline-flex; }
  .brand-text { font-size: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .nav-panel { height: 60px; }
  .cta-panel { padding: 28px; }
  .bento-card.wide { min-height: 360px; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .section { padding: 48px 0; }
  .bento-section { padding: 48px 0; }
  .hero { padding: 110px 0 48px; min-height: 0; }
  .hero h1 { font-size: 32px; line-height: 1.3; }
  .hero-sub { font-size: 15px; margin-bottom: 24px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; }
  .hero-badges { gap: 8px; margin-top: 26px; }
  .section-head h2 { font-size: 24px; }
  .bento-card, .bento-card.wide { min-height: 280px; }
  .bento-content h3 { font-size: 20px; }
  .bento-content p { max-width: 100%; }
  .service-row { flex-direction: column; align-items: flex-start; gap: 12px; padding: 20px; }
  .service-meta { width: 100%; justify-content: space-between; }
  .cta-panel { padding: 24px; flex-direction: column; align-items: flex-start; }
  .cta-info { flex-direction: column; align-items: flex-start; }
  .cta-actions { width: 100%; }
  .cta-actions .btn-outline { flex: 1; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .accordion-title { font-size: 15px; padding: 18px 46px 18px 18px; }
  .accordion-content { padding: 0 18px 20px !important; font-size: 14px; }
}

/* 滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.16); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: rgba(38,214,198,0.4); }

/* 焦点可见性 */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

/* roulang page: category3 */
:root {
  --bg-deep: #0B1220;
  --bg-panel: #101A2F;
  --glass: rgba(255,255,255,0.055);
  --glass-strong: rgba(255,255,255,0.09);
  --border: rgba(255,255,255,0.12);
  --brand: #2F6BFF;
  --brand-dark: #1B4FFF;
  --cyan: #26D6C6;
  --amber: #F5B942;
  --rose: #FF5C7A;
  --text-main: #F3F7FF;
  --text-secondary: rgba(226,236,255,0.72);
  --text-dim: rgba(226,236,255,0.5);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 10px 30px rgba(0,0,0,0.28);
  --shadow-hover: 0 16px 40px rgba(27,79,255,0.22);
  --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(38,214,198,0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: "";
  position: fixed;
  left: -220px;
  bottom: -220px;
  width: 680px;
  height: 680px;
  background: radial-gradient(circle, rgba(47,107,255,0.14) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input { font: inherit; }
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}
.container, .grid-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 12px 0 0;
  background: linear-gradient(to bottom, rgba(11,18,32,0.88) 0%, rgba(11,18,32,0.42) 80%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
body { padding-top: 100px; }
.nav-panel {
  max-width: 1200px;
  width: calc(100% - 24px);
  margin: 0 auto;
  height: 68px;
  background: rgba(16,26,47,0.78);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid rgba(255,255,255,0.12);
  border-top-color: rgba(255,255,255,0.2);
  border-radius: 16px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-card);
}
.brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-glyph {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 6px 20px rgba(47,107,255,0.45);
  border: 1px solid rgba(255,255,255,0.25);
}
.brand-text { font-size: 18px; font-weight: 700; color: #fff; letter-spacing: 0.5px; white-space: nowrap; }
.brand-text span { color: var(--cyan); font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 6px; flex: 1; }
.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 14px;
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-item i { font-size: 14px; color: var(--text-dim); transition: var(--transition); }
.nav-item:hover { background: rgba(47,107,255,0.18); color: #fff; }
.nav-item:hover i { color: var(--cyan); }
.nav-item.active {
  border-color: rgba(38,214,198,0.5);
  background: rgba(47,107,255,0.16);
  color: #fff;
}
.nav-item.active i { color: var(--cyan); }
.nav-cta { flex-shrink: 0; }
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  color: #fff;
  box-shadow: 0 8px 30px rgba(47,107,255,0.45);
  border: 1px solid rgba(255,255,255,0.18);
}
.btn-primary:hover {
  box-shadow: 0 12px 36px rgba(47,107,255,0.7);
  filter: brightness(1.04);
  transform: translateY(-2px);
  color: #fff;
}
.btn-primary:active { transform: translateY(1px); }
.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(255,255,255,0.25);
}
.btn-secondary:hover {
  border-color: var(--cyan);
  background: rgba(38,214,198,0.1);
  color: #fff;
}
.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.mobile-menu {
  display: none;
  max-width: 1200px;
  width: calc(100% - 24px);
  margin: 8px auto 0;
  padding: 10px;
  background: rgba(16,26,47,0.92);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
}
.mobile-menu.open { display: block; }
.mobile-menu .nav-item {
  display: flex;
  width: 100%;
  height: 48px;
  margin-bottom: 4px;
}
.mobile-menu .nav-cta .btn-primary { width: 100%; }

/* Hero */
.category-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 150px 0 90px;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(11,18,32,0.78) 0%, rgba(11,18,32,0.48) 55%, rgba(11,18,32,0.3) 100%),
    radial-gradient(circle at 78% 26%, rgba(38,214,198,0.14) 0%, transparent 60%);
}
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(38,214,198,0.4);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 13px;
  color: var(--cyan);
  font-weight: 500;
  margin-bottom: 22px;
}
.category-hero h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.hero-sub {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 600px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text-secondary);
}
.hero-badge i { color: var(--amber); font-size: 13px; }

/* Sections */
.section { padding: 96px 0; position: relative; z-index: 1; }
.section-head {
  margin-bottom: 44px;
  max-width: 720px;
}
.section-head .section-tag {
  display: inline-block;
  font-size: 13px;
  color: var(--cyan);
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
  margin-bottom: 12px;
}
.section-sub {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Tabs */
.service-tabs-section { background: rgba(8,13,24,0.4); }
.service-tabs {
  border: none;
  display: flex;
  gap: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 8px;
  margin-bottom: 28px;
}
.service-tabs .tabs-title { float: none; flex: 1; }
.service-tabs .tabs-title > a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 16px;
  border-radius: 12px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}
.service-tabs .tabs-title > a:hover {
  background: rgba(47,107,255,0.12);
  color: #fff;
}
.service-tabs .tabs-title.is-active > a {
  background: rgba(47,107,255,0.22);
  color: #fff;
  border-bottom: 2px solid var(--cyan);
}
.tabs-content { border: none; background: transparent; }
.tabs-panel { padding: 0; }
.service-row {
  display: grid;
  grid-template-columns: 220px 1fr 48px;
  gap: 24px;
  align-items: center;
  background: var(--glass);
  border: 1px solid rgba(255,255,255,0.12);
  border-top-color: rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  padding: 22px;
  margin-bottom: 20px;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}
.service-row:hover {
  transform: translateY(-4px);
  border-color: rgba(38,214,198,0.5);
  box-shadow: var(--shadow-hover);
}
.service-thumb {
  width: 220px;
  height: 130px;
  object-fit: cover;
  border-radius: 12px;
}
.service-tag {
  display: inline-block;
  background: rgba(38,214,198,0.12);
  border: 1px solid rgba(38,214,198,0.35);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 8px;
}
.service-row h3 {
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 6px;
  line-height: 1.5;
}
.service-row p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.arrow-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  color: var(--text-secondary);
  font-size: 16px;
  transition: var(--transition);
}
.service-row:hover .arrow-link {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateX(4px);
}

/* Steps */
.steps-section { background: rgba(8,13,24,0.3); }
.step-card {
  position: relative;
  background: var(--glass);
  border: 1px solid rgba(255,255,255,0.1);
  border-top-color: rgba(255,255,255,0.18);
  border-radius: var(--radius-md);
  padding: 30px 24px 24px;
  transition: var(--transition);
  height: 100%;
}
.step-card:hover {
  background: rgba(47,107,255,0.1);
  transform: translateY(-4px);
  border-color: rgba(38,214,198,0.45);
}
.step-num {
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}
.step-title { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.step-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }
.step-card:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -14px;
  width: 16px;
  height: 2px;
  background: var(--cyan);
  opacity: 0.4;
}

/* Feature */
.feature-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--glass);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 24px;
  height: 100%;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47,107,255,0.5);
  background: rgba(47,107,255,0.08);
}
.feature-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(47,107,255,0.25), rgba(38,214,198,0.18));
  border: 1px solid rgba(38,214,198,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--cyan);
}
.feature-card h3 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; margin-bottom: 0; }

/* FAQ */
.faq-section { background: rgba(8,13,24,0.3); }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.accordion { background: transparent; border: none; margin: 0; }
.accordion-item {
  background: var(--glass);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.accordion-item:hover { border-color: rgba(47,107,255,0.4); }
.accordion-title {
  position: relative;
  background: transparent;
  border-bottom: 1px solid transparent;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 600;
  padding: 18px 50px 18px 20px;
  line-height: 1.5;
  transition: var(--transition);
}
.accordion-title:hover { background: rgba(255,255,255,0.05); color: #fff; }
.accordion-title::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 14px;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--cyan);
  transition: transform 0.3s ease;
}
.accordion-item.is-active > .accordion-title {
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.accordion-item.is-active > .accordion-title::after { transform: translateY(-50%) rotate(45deg); }
.accordion-content {
  background: transparent;
  border: none;
  border-bottom: 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  padding: 16px 20px 20px;
}
.accordion-content p { margin-bottom: 0; }

/* Recommend */
.recommend-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cover-card {
  background: var(--glass);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.cover-card:hover {
  transform: translateY(-6px);
  border-color: rgba(38,214,198,0.5);
  box-shadow: var(--shadow-hover);
}
.cover-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}
.cover-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.cover-card:hover .cover-thumb img { transform: scale(1.05); }
.cover-content { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.cover-tag {
  display: inline-block;
  width: max-content;
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan);
  background: rgba(38,214,198,0.12);
  border: 1px solid rgba(38,214,198,0.3);
  border-radius: 999px;
  padding: 3px 10px;
}
.cover-content h3 { font-size: 16px; font-weight: 700; color: #fff; line-height: 1.45; margin: 0; }
.cover-content p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* CTA */
.cta-section { padding-bottom: 80px; }
.cta-panel {
  background: var(--glass);
  border: 1px solid rgba(255,255,255,0.12);
  border-top-color: rgba(255,255,255,0.2);
  border-radius: 20px;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-card);
  background-image: radial-gradient(circle at 8% 100%, rgba(38,214,198,0.08), transparent 55%);
}
.cta-left { flex: 1; min-width: 260px; }
.cta-left .cta-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(47,107,255,0.3), rgba(38,214,198,0.2));
  border: 1px solid rgba(38,214,198,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--cyan);
  margin-bottom: 14px;
}
.cta-left h2 { font-size: 24px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.cta-left p { font-size: 15px; color: var(--text-secondary); margin-bottom: 0; line-height: 1.7; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; flex-shrink: 0; }

/* Footer */
.site-footer {
  position: relative;
  z-index: 1;
  background: rgba(8,12,22,0.92);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 64px 0 28px;
  backdrop-filter: blur(12px);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; max-width: 360px; margin-bottom: 0; }
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  color: var(--text-dim);
}
.footer-bottom a { color: var(--text-dim); }
.footer-bottom a:hover { color: var(--cyan); }

/* Responsive */
@media (max-width: 1024px) {
  .nav-links.desktop { display: none; }
  .nav-cta.desktop { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { transform: translateY(-8px); }
  .category-hero { min-height: auto; }
  .service-row { grid-template-columns: 200px 1fr 44px; gap: 20px; }
  .recommend-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .step-card:not(:last-child)::after { display: none; }
}
@media (max-width: 768px) {
  body { padding-top: 80px; }
  .site-header { padding: 8px 0 0; }
  .nav-panel { height: 56px; width: calc(100% - 16px); padding: 0 10px; }
  .brand-glyph { width: 34px; height: 34px; font-size: 16px; }
  .brand-text { font-size: 16px; }
  .category-hero { padding: 120px 0 60px; }
  .category-hero h1 { font-size: 34px; }
  .hero-sub { font-size: 16px; }
  .section { padding: 64px 0; }
  .section-head h2 { font-size: 26px; }
  .service-tabs { flex-direction: column; gap: 6px; }
  .service-tabs .tabs-title > a { height: 44px; }
  .service-row { grid-template-columns: 1fr; padding: 18px; gap: 16px; }
  .service-thumb { width: 100%; height: 160px; }
  .step-card { padding: 24px 18px; }
  .cta-panel { padding: 28px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 640px) {
  .container, .grid-container { padding: 0 18px; }
  .category-hero h1 { font-size: 30px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; }
  .recommend-grid { grid-template-columns: 1fr; }
  .cta-panel { flex-direction: column; align-items: flex-start; }
  .cta-actions { width: 100%; flex-direction: column; }
  .cta-actions .btn-primary, .cta-actions .btn-secondary { width: 100%; }
  .feature-grid .cell { height: auto; }
  .footer-brand p { max-width: 100%; }
}
@media (max-width: 520px) {
  .brand-text { font-size: 15px; }
  .brand-text span { display: inline; }
  .nav-panel { gap: 8px; }
  .section-head h2 { font-size: 24px; }
  .service-tabs .tabs-title > a { font-size: 14px; padding: 0 12px; }
  .service-row h3 { font-size: 17px; }
  .accordion-title { font-size: 15px; padding-left: 16px; padding-right: 44px; }
  .accordion-content { padding-left: 16px; padding-right: 16px; }
}