/* roulang page: index */
:root {
  /* 色彩变量 */
  --bg-deep: #070B14;
  --bg-primary: #0B1120;
  --bg-secondary: #0F172A;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-cyan: rgba(34, 211, 238, 0.4);
  --text-primary: #E2E8F0;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --accent-cyan: #22D3EE;
  --accent-cyan-light: #67E8F9;
  --accent-gold: #D6A354;
  --success: #34D399;
  --danger: #F87171;

  /* 字体变量 */
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Cascadia Code", Consolas, monospace;

  /* 圆角变量 */
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-input: 12px;
  --radius-badge: 999px;

  /* 阴影变量 */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow-cyan: 0 0 24px rgba(34, 211, 238, 0.25);
  --shadow-glow-gold: 0 0 20px rgba(214, 163, 84, 0.2);
  --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.08);

  /* 间距变量 */
  --space-section: clamp(4rem, 8vw, 6.5rem);
  --space-card: 28px;
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-primary) 50%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  line-height: 1.8;
  font-size: 1rem;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-cyan-light);
}

button, input, textarea {
  font-family: var(--font-sans);
  font-size: 1rem;
}

.container {
  max-width: var(--container-max);
  width: 92%;
  margin: 0 auto;
}

/* 页面结构 */
.site-wrapper {
  width: 100%;
  overflow: hidden;
}

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 17, 32, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-top {
  height: 64px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  flex-shrink: 0;
}

.brand:hover {
  color: var(--accent-cyan);
}

.brand-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.15), rgba(214, 163, 84, 0.15));
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 10px;
  color: var(--accent-cyan);
  font-size: 1rem;
  font-family: var(--font-mono);
  font-weight: 700;
  box-shadow: var(--shadow-inset), 0 0 14px rgba(34, 211, 238, 0.12);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-contact {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-right: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-contact i {
  color: var(--accent-cyan);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 1px solid transparent;
  line-height: 1.4;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-glass);
  color: var(--text-primary);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(34, 211, 238, 0.3);
  color: var(--accent-cyan-light);
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-cyan-light));
  color: #04121A;
  border-color: transparent;
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.25);
}

.btn-primary:hover {
  color: #04121A;
  box-shadow: 0 0 32px rgba(34, 211, 238, 0.4);
  transform: translateY(-1px);
}

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

.btn-large {
  padding: 14px 34px;
  font-size: 1.05rem;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.nav-toggle:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.header-nav {
  height: 48px;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
}

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
  height: 100%;
}

.nav-list li {
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  padding: 0 20px;
  height: 34px;
  border-radius: var(--radius-badge);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.nav-list a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-glass);
}

.nav-list a.active {
  color: var(--accent-cyan-light);
  background: rgba(34, 211, 238, 0.08);
  border-color: rgba(34, 211, 238, 0.2);
  font-weight: 600;
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.08);
}

.nav-list a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.6);
}

/* 移动端抽屉 */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.drawer-overlay.show {
  opacity: 1;
  visibility: visible;
}

.drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--bg-primary);
  border-left: 1px solid var(--border-glass);
  z-index: 1200;
  transition: right 0.3s ease;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: -16px 0 40px rgba(0, 0, 0, 0.4);
}

.drawer.show {
  right: 0;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-glass);
}

.drawer-close {
  background: transparent;
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.drawer-close:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.drawer-nav a {
  padding: 12px 16px;
  border-radius: var(--radius-card);
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.drawer-nav a:hover,
.drawer-nav a.active {
  background: rgba(34, 211, 238, 0.08);
  border-color: rgba(34, 211, 238, 0.2);
  color: var(--accent-cyan-light);
}

.drawer-contact {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 20, 0.72) 0%, rgba(11, 17, 32, 0.88) 100%);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  width: 100%;
  padding: 80px 0;
}

.hero-copy {
  max-width: 620px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: var(--radius-badge);
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-cyan-light);
  margin-bottom: 20px;
}

.hero-badge i {
  font-size: 0.7rem;
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.hero h1 .highlight {
  color: var(--accent-cyan-light);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-cyan-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-meta i {
  color: var(--accent-gold);
}

/* 指标看板 */
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 22px 20px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card), var(--shadow-inset);
  transition: all 0.3s ease;
}

.stat-card:hover {
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: var(--shadow-card), var(--shadow-glow-cyan), var(--shadow-inset);
  background: var(--bg-card-hover);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-cyan-light);
  line-height: 1.2;
  text-shadow: 0 0 20px rgba(34, 211, 238, 0.4);
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.stat-number .unit {
  font-size: 1rem;
  color: var(--text-secondary);
  text-shadow: none;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* ===== 服务矩阵 ===== */
.section {
  padding: var(--space-section) 0;
  position: relative;
}

.section-alt {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.4), rgba(11, 17, 32, 0.6));
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 48px;
}

.section-head .eyebrow {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 8px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

.section-head .section-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 400px;
  text-align: right;
}

/* 编号横排列表 */
.matrix-list {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  overflow: hidden;
}

.matrix-item {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  align-items: center;
  gap: 24px;
  padding: 28px 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.3s ease;
  position: relative;
}

.matrix-item:last-child {
  border-bottom: none;
}

.matrix-item:hover {
  background: rgba(34, 211, 238, 0.05);
  box-shadow: inset 4px 0 0 var(--accent-cyan);
}

.matrix-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-gold);
  text-shadow: 0 0 12px rgba(214, 163, 84, 0.15);
  transition: all 0.3s ease;
}

.matrix-item:hover .matrix-num {
  text-shadow: 0 0 24px rgba(214, 163, 84, 0.5);
  transform: scale(1.05);
}

.matrix-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.matrix-body p {
  color: var(--text-secondary);
  font-size: 0.925rem;
  line-height: 1.7;
  max-width: 720px;
}

.matrix-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.matrix-item:hover .matrix-link {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateX(4px);
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.15);
}

/* ===== 对比区 ===== */
.compare-section {
  position: relative;
}

.compare-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat fixed;
  opacity: 0.06;
  pointer-events: none;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  position: relative;
  z-index: 2;
}

.compare-panel {
  border-radius: var(--radius-card);
  padding: 36px;
  border: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.02);
}

.compare-panel.bad {
  border-style: dashed;
  opacity: 0.65;
}

.compare-panel.good {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.06), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(214, 163, 84, 0.4);
  box-shadow: var(--shadow-card), var(--shadow-glow-gold), var(--shadow-inset);
}

.compare-panel h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.compare-panel.bad h3 {
  color: var(--text-secondary);
}

.compare-panel.good h3 {
  color: var(--accent-cyan-light);
}

.compare-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.95rem;
  color: var(--text-primary);
}

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

.compare-list li i {
  margin-top: 5px;
  font-size: 0.9rem;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.compare-list li .fa-circle-check {
  color: var(--accent-cyan);
  background: rgba(34, 211, 238, 0.1);
}

.compare-list li .fa-circle-xmark {
  color: var(--danger);
  background: rgba(248, 113, 113, 0.1);
}

.compare-note {
  margin-top: 24px;
  padding: 14px 18px;
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
}

/* ===== CMS 最新信息 ===== */
.news-section {
  background: linear-gradient(180deg, rgba(11, 17, 32, 0.4), transparent);
}

.news-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: start;
}

.news-featured {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-card), var(--shadow-inset);
}

.news-featured:hover {
  border-color: rgba(34, 211, 238, 0.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), var(--shadow-glow-cyan);
}

.news-featured-img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  background: var(--bg-secondary);
}

.news-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-featured:hover .news-featured-img img {
  transform: scale(1.03);
}

.news-featured-body {
  padding: 24px 28px;
}

.news-featured-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
}

.news-featured-body h3 a {
  color: var(--text-primary);
}

.news-featured-body h3 a:hover {
  color: var(--accent-cyan);
}

.news-featured-body p {
  color: var(--text-secondary);
  font-size: 0.925rem;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-badge);
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(34, 211, 238, 0.12);
  color: var(--accent-cyan-light);
  border: 1px solid rgba(34, 211, 238, 0.15);
}

.news-time {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.news-list-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 18px 22px;
  transition: all 0.3s ease;
}

.news-list-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(34, 211, 238, 0.3);
  transform: translateX(4px);
}

.news-list-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-list-card h3 a {
  color: var(--text-primary);
}

.news-list-card h3 a:hover {
  color: var(--accent-cyan);
}

.news-list-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}

.news-list-card .news-meta {
  margin-top: 0;
  gap: 10px;
}

.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 24px;
  background: var(--bg-card);
  border: 1px dashed var(--border-glass);
  border-radius: var(--radius-card);
  color: var(--text-muted);
  font-size: 0.95rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.news-empty i {
  font-size: 2.5rem;
  color: var(--border-glass);
}

/* ===== FAQ ===== */
.faq-section {
  background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.4), transparent);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.faq-intro h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.faq-intro p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active {
  border-color: rgba(34, 211, 238, 0.3);
  box-shadow: var(--shadow-card), var(--shadow-inset);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 22px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
}

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

.faq-question:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: -2px;
  border-radius: var(--radius-card);
}

.faq-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.faq-item.active .faq-icon {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 22px 22px;
  color: var(--text-secondary);
  font-size: 0.925rem;
  line-height: 1.8;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 16px;
}

/* ===== 转化表单 ===== */
.contact-section {
  position: relative;
}

.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
  opacity: 0.05;
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.contact-copy h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-copy p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 480px;
}

.trust-badges {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  font-size: 0.9rem;
  color: var(--text-primary);
}

.trust-item i {
  color: var(--accent-gold);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(214, 163, 84, 0.1);
  border-radius: 50%;
  flex-shrink: 0;
}

.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 32px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card), var(--shadow-inset);
}

.contact-form-wrap h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.contact-form-wrap .form-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-input);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all 0.25s ease;
  line-height: 1.5;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12), 0 0 18px rgba(34, 211, 238, 0.1);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-submit {
  width: 100%;
  margin-top: 8px;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 12px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 40px 0 var(--space-section);
}

.cta-card {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(214, 163, 84, 0.06), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: 24px;
  padding: 48px;
  text-align: center;
  box-shadow: var(--shadow-card), var(--shadow-glow-cyan), var(--shadow-inset);
}

.cta-card h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 10px;
}

.cta-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 560px;
  margin: 0 auto 28px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: linear-gradient(180deg, rgba(7, 11, 20, 0.9), rgba(7, 11, 20, 1));
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 4fr 3fr 3fr 3fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .brand {
  margin-bottom: 14px;
  font-size: 1.2rem;
}

.footer-about {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

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

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-contact i {
  color: var(--accent-cyan);
  width: 20px;
  text-align: center;
  margin-right: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.footer-bottom a {
  color: var(--text-muted);
}

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

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-stats {
    max-width: 100%;
  }

  .matrix-item {
    grid-template-columns: 60px 1fr 36px;
    padding: 24px;
  }

  .compare-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .header-contact {
    display: none;
  }
}

@media (max-width: 768px) {
  .header-top {
    height: 56px;
  }

  .header-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .header-actions .btn-ghost {
    display: none;
  }

  .brand {
    font-size: 1.1rem;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding: 48px 0;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  .stat-number {
    font-size: 2rem;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .section-head .section-desc {
    text-align: left;
  }

  .matrix-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 24px 20px;
  }

  .matrix-num {
    font-size: 1.2rem;
  }

  .matrix-link {
    display: none;
  }

  .compare-panel {
    padding: 24px;
  }

  .news-featured-body {
    padding: 20px;
  }

  .faq-layout {
    gap: 24px;
  }

  .contact-form-wrap {
    padding: 24px;
  }

  .cta-card {
    padding: 32px 20px;
  }

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

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

@media (max-width: 520px) {
  .container {
    width: 90%;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .matrix-item {
    padding: 20px 16px;
  }

  .matrix-body h3 {
    font-size: 1.05rem;
  }

  .matrix-body p {
    font-size: 0.875rem;
  }

  .compare-panel {
    padding: 20px 16px;
  }

  .compare-panel h3 {
    font-size: 1.1rem;
  }

  .compare-list li {
    font-size: 0.875rem;
  }

  .news-list-card {
    padding: 16px;
  }

  .faq-question {
    padding: 16px;
    font-size: 0.925rem;
  }

  .faq-answer-inner {
    padding: 0 16px 16px;
  }

  .contact-form-wrap {
    padding: 20px 16px;
  }

  .footer-grid {
    gap: 24px;
  }
}

/* 无障碍焦点 */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

/* roulang page: category1 */
:root {
  --bg-primary: #0B1120;
  --bg-secondary: #0F172A;
  --bg-depth: #070B14;
  --accent-cyan: #22D3EE;
  --accent-cyan-light: #67E8F9;
  --accent-gold: #D6A354;
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border-glass: rgba(255,255,255,0.08);
  --border-glass-strong: rgba(255,255,255,0.12);
  --border-hover: rgba(34,211,238,0.4);
  --glass-bg: rgba(255,255,255,0.04);
  --glass-bg-hover: rgba(255,255,255,0.07);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-input: 12px;
  --radius-tag: 999px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.35);
  --shadow-cyan: 0 0 24px rgba(34,211,238,0.25);
  --shadow-gold: 0 0 20px rgba(214,163,84,0.2);
  --font-sans: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Courier New", monospace;
  --container: min(1200px, 92%);
  --container-small: min(760px, 92%);
  --space-section: clamp(4rem, 8vw, 6.5rem);
  --transition-base: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: linear-gradient(180deg, var(--bg-depth) 0%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  line-height: 1.8;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; background: none; border: none; }
input, textarea { font-family: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  transition: var(--transition-base);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-cyan-light));
  color: #0B1120;
  box-shadow: 0 4px 16px rgba(34,211,238,0.3);
}
.btn-primary:hover {
  box-shadow: 0 0 28px rgba(34,211,238,0.5);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(1px) scale(0.98); }
.btn-ghost {
  background: rgba(255,255,255,0.04);
  border-color: var(--border-glass-strong);
  color: var(--text-primary);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(34,211,238,0.4); transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(1px) scale(0.98); }
.btn-lg { padding: 14px 32px; font-size: 1.05rem; }

/* ===== Header Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11,17,32,0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
}
.header-top { height: 64px; border-bottom: 1px solid rgba(255,255,255,0.04); }
.header-top-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.2rem; letter-spacing: 0.01em; }
.brand-icon {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-cyan-light));
  color: #0B1120;
  font-weight: 800;
  font-size: 0.9rem;
  border-radius: 8px;
  padding: 3px 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
  box-shadow: 0 0 14px rgba(34,211,238,0.35);
}
.header-actions { display: flex; align-items: center; gap: 14px; }
.header-contact { font-size: 0.85rem; color: var(--text-secondary); display: inline-flex; align-items: center; gap: 6px; }
.header-actions .btn { padding: 8px 16px; font-size: 0.875rem; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border-glass);
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  font-size: 1.1rem;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}
.nav-toggle:hover { border-color: var(--border-hover); background: rgba(34,211,238,0.08); }
.header-nav { height: 48px; display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: 6px; }
.nav-list a {
  display: inline-flex;
  align-items: center;
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 0.925rem;
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  transition: var(--transition-base);
  line-height: 1.4;
}
.nav-list a:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-list a.active {
  color: var(--accent-cyan);
  background: rgba(34,211,238,0.1);
  text-shadow: 0 0 12px rgba(34,211,238,0.4);
}
.nav-list a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 2px;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  border-radius: 2px;
}

/* ===== Mobile Drawer ===== */
.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7,11,20,0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.mobile-drawer-overlay.active { opacity: 1; visibility: visible; }
.mobile-drawer {
  position: fixed;
  top: 0; right: 0;
  width: min(320px, 85vw);
  height: 100vh;
  background: linear-gradient(160deg, #0F172A, #0B1120);
  border-left: 1px solid var(--border-glass);
  z-index: 2001;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1);
  display: flex;
  flex-direction: column;
  padding: 20px;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; }
.drawer-close {
  width: 36px; height: 36px;
  border-radius: 9px;
  border: 1px solid var(--border-glass);
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}
.drawer-close:hover { color: var(--text-primary); border-color: rgba(255,255,255,0.2); }
.drawer-nav { display: flex; flex-direction: column; gap: 4px; }
.drawer-nav a {
  display: flex;
  align-items: center;
  padding: 13px 16px;
  border-radius: 12px;
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition-base);
  border: 1px solid transparent;
}
.drawer-nav a:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.drawer-nav a.active { color: var(--accent-cyan); background: rgba(34,211,238,0.1); border-color: rgba(34,211,238,0.15); }

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-bottom: 1px solid var(--border-glass);
}
.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7,11,20,0.92) 0%, rgba(11,17,32,0.78) 55%, rgba(11,17,32,0.6) 100%);
}
.category-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 200px at 80% 20%, rgba(34,211,238,0.14), transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; padding: 56px 20px; max-width: 760px; margin: 0 auto; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-cyan);
  background: rgba(34,211,238,0.12);
  border: 1px solid rgba(34,211,238,0.2);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.category-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.category-hero h1 span {
  color: var(--accent-cyan);
  text-shadow: 0 0 24px rgba(34,211,238,0.35);
}
.hero-desc { font-size: 1.05rem; color: var(--text-secondary); max-width: 620px; line-height: 1.8; margin-bottom: 8px; }

/* ===== Section Common ===== */
.section { padding: clamp(3.5rem, 7vw, 5.5rem) 0; position: relative; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

/* ===== Content Blocks (图文交错) ===== */
.content-blocks { background: rgba(255,255,255,0.015); border-bottom: 1px solid var(--border-glass); }
.content-block-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.content-block-row:last-child { margin-bottom: 0; }
.block-image {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
  position: relative;
}
.block-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-card);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
  pointer-events: none;
}
.block-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  transition: transform 0.5s cubic-bezier(0.16,1,0.3,1);
}
.block-image:hover img { transform: scale(1.03); }
.reversed .block-text { order: 1; }
.reversed .block-image { order: 2; }
.block-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-gold);
  background: rgba(214,163,84,0.12);
  border: 1px solid rgba(214,163,84,0.25);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 16px;
}
.block-text h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.8rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.block-text p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.85;
  max-width: 520px;
}

/* ===== Stats ===== */
.stats-section { border-bottom: 1px solid var(--border-glass); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.05);
  transition: var(--transition-base);
}
.stat-card:hover {
  border-color: rgba(34,211,238,0.35);
  box-shadow: var(--shadow-card), var(--shadow-cyan);
  transform: translateY(-2px);
}
.stat-num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--accent-cyan);
  text-shadow: 0 0 24px rgba(34,211,238,0.35);
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-label { font-size: 0.875rem; color: var(--text-secondary); }

/* ===== FAQ ===== */
.faq-section { background: rgba(255,255,255,0.015); }
.faq-container {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
.faq-left .section-kicker { margin-bottom: 10px; }
.faq-left h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 14px;
  line-height: 1.25;
}
.faq-left p { color: var(--text-secondary); font-size: 0.95rem; max-width: 260px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition-base);
  position: relative;
}
.faq-item.open {
  border-color: rgba(34,211,238,0.3);
  background: rgba(255,255,255,0.06);
  box-shadow: inset 2px 0 0 var(--accent-cyan), var(--shadow-card);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  transition: var(--transition-base);
}
.faq-question:hover { color: var(--accent-cyan); }
.faq-question i {
  flex-shrink: 0;
  width: 24px; height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  border: 1px solid var(--border-glass);
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  font-size: 0.8rem;
  transition: all 0.3s ease;
}
.faq-item.open .faq-question i {
  transform: rotate(45deg);
  color: var(--accent-cyan);
  border-color: rgba(34,211,238,0.4);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.85;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 14px;
}

/* ===== CTA ===== */
.cta-section { position: relative; overflow: hidden; }
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(500px 200px at 50% 0%, rgba(34,211,238,0.08), transparent 70%);
  pointer-events: none;
}
.cta-card {
  max-width: var(--container-small);
  margin: 0 auto;
  text-align: center;
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: clamp(40px, 6vw, 64px) clamp(24px, 5vw, 48px);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.08);
  position: relative;
}
.cta-card h2 {
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.cta-card p { color: var(--text-secondary); margin-bottom: 28px; font-size: 1rem; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer {
  background: #070B14;
  border-top: 1px solid var(--border-glass);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 4fr 2fr 2fr 3fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .brand { font-size: 1.15rem; }
.footer-about { margin-top: 14px; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; max-width: 300px; }
.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition-base);
  line-height: 1.5;
}
.footer-links a:hover { color: var(--accent-cyan); text-shadow: 0 0 10px rgba(34,211,238,0.3); }
.footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-contact span {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-contact i { color: var(--accent-cyan); font-size: 0.95rem; }
.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .header-contact { display: none; }
  .content-block-row { gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .header-top-inner { height: 60px; }
  .header-top { height: 60px; }
  .header-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn-ghost { display: none; }
  .header-actions .btn-primary { padding: 8px 14px; font-size: 0.8rem; }
  .category-hero { min-height: 300px; }
  .hero-content { padding: 40px 20px; }
  .content-block-row { grid-template-columns: 1fr; gap: 24px; }
  .reversed .block-text, .reversed .block-image { order: 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .faq-container { grid-template-columns: 1fr; gap: 28px; }
  .faq-left p { max-width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { grid-column: 1; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .btn { padding: 9px 16px; font-size: 0.875rem; }
  .btn-lg { padding: 12px 24px; font-size: 0.95rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 20px 16px; }
  .hero-desc { font-size: 0.95rem; }
  .block-text p { font-size: 0.95rem; }
  .faq-question { padding: 18px 18px; font-size: 0.95rem; }
  .faq-answer-inner { padding: 0 18px 18px; }
  .cta-buttons { flex-direction: column; align-items: stretch; }
  .cta-buttons .btn { justify-content: center; }
  .footer-actions { flex-direction: column; align-items: flex-start; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .header-nav { height: 48px; }
  .nav-list a { padding: 6px 14px; font-size: 0.875rem; }
}

/* roulang page: article */
:root {
            --bg-deep: #070B14;
            --bg-body: #0B1120;
            --bg-main: #0F172A;
            --panel-bg: rgba(255, 255, 255, 0.04);
            --panel-border: rgba(255, 255, 255, 0.08);
            --cyan: #22D3EE;
            --cyan-light: #67E8F9;
            --gold: #D6A354;
            --text-main: #E2E8F0;
            --text-weak: #94A3B8;
            --text-mute: #64748B;
            --danger: #F87171;
            --success: #34D399;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-input: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-cyan: 0 0 24px rgba(34, 211, 238, 0.25);
            --shadow-gold: 0 0 20px rgba(214, 163, 84, 0.2);
            --font-sans: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
            --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
            --ease: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 120px;
        }

        body {
            font-family: var(--font-sans);
            background: linear-gradient(160deg, var(--bg-body), var(--bg-main));
            color: var(--text-main);
            line-height: 1.8;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container {
            width: min(1200px, 92%);
            margin: 0 auto;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 17, 32, 0.85);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .header-top {
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .header-top-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-light));
            color: #0B1120;
            font-weight: 800;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            font-family: var(--font-mono);
            font-size: 0.9rem;
            box-shadow: var(--shadow-cyan);
        }

        .brand span:last-child {
            background: linear-gradient(120deg, #F8FAFC, #CBD5E1);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .header-contact {
            font-size: 0.875rem;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-contact i {
            color: var(--cyan);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--ease);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.14);
            color: var(--text-main);
        }

        .btn-ghost:hover {
            border-color: var(--cyan);
            color: var(--cyan);
            box-shadow: var(--shadow-cyan);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--cyan), var(--cyan-light));
            color: #0B1120;
            box-shadow: var(--shadow-cyan);
        }

        .btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 32px rgba(34, 211, 238, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 1.4rem;
            cursor: pointer;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--cyan);
        }

        .nav-toggle:focus-visible,
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
        }

        .header-nav {
            background: rgba(15, 23, 42, 0.5);
            padding: 8px 0;
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 8px;
            align-items: center;
        }

        .nav-list a {
            display: inline-flex;
            align-items: center;
            height: 32px;
            padding: 0 18px;
            border-radius: var(--radius-pill);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-weak);
            transition: all var(--ease);
            position: relative;
        }

        .nav-list a:hover {
            color: var(--cyan);
            background: rgba(34, 211, 238, 0.08);
        }

        .nav-list a.active {
            color: var(--cyan);
            background: rgba(34, 211, 238, 0.12);
            box-shadow: inset 0 0 0 1px rgba(34, 211, 238, 0.2);
        }

        .nav-list a.active::after {
            content: "";
            position: absolute;
            left: 22%;
            right: 22%;
            bottom: -2px;
            height: 2px;
            background: var(--cyan);
            border-radius: 2px;
            box-shadow: var(--shadow-cyan);
        }

        .nav-overlay {
            display: none;
        }

        /* ===== Article Main ===== */
        .article-main {
            overflow: hidden;
        }

        .article-banner {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 72px 0 56px;
        }

        .article-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 20%, rgba(34, 211, 238, 0.15), transparent 60%),
                linear-gradient(180deg, rgba(7, 11, 20, 0.92), rgba(7, 11, 20, 0.75));
        }

        .article-banner .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-weak);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-weak);
            transition: color var(--ease);
        }

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

        .breadcrumb-sep {
            color: var(--text-mute);
        }

        .breadcrumb-current {
            color: var(--text-main);
        }

        .article-title {
            font-size: clamp(1.75rem, 4vw, 2.75rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 20px;
            max-width: 800px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.875rem;
            color: var(--text-weak);
        }

        .article-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(34, 211, 238, 0.12);
            color: var(--cyan);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
        }

        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta-item i {
            color: var(--gold);
        }

        /* ===== Article Body ===== */
        .article-body {
            padding: 56px 0 48px;
        }

        .article-content {
            max-width: 760px;
            margin: 0 auto;
            font-size: 1.0625rem;
            line-height: 1.9;
            color: var(--text-main);
        }

        .article-content p {
            margin-bottom: 1.6em;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            line-height: 1.4;
            margin: 2.2em 0 0.9em;
            padding-left: 14px;
            border-left: 3px solid var(--cyan);
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 1.8em 0 0.8em;
            color: var(--cyan-light);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.6em 1.4em;
        }

        .article-content li {
            margin-bottom: 0.6em;
        }

        .article-content img {
            border-radius: var(--radius-card);
            margin: 1.8em 0;
            box-shadow: var(--shadow-card);
        }

        .article-content blockquote {
            border-left: 3px solid var(--cyan);
            background: rgba(34, 211, 238, 0.06);
            padding: 16px 20px;
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
            margin: 1.8em 0;
            color: var(--text-weak);
        }

        .article-content a {
            color: var(--cyan);
            border-bottom: 1px solid transparent;
            transition: border-color var(--ease);
        }

        .article-content a:hover {
            border-bottom-color: var(--cyan);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8em 0;
            font-size: 0.9375rem;
        }

        .article-content th,
        .article-content td {
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 12px 16px;
            text-align: left;
        }

        .article-content th {
            background: rgba(255, 255, 255, 0.05);
            color: var(--cyan-light);
        }

        .article-content code {
            background: rgba(255, 255, 255, 0.08);
            padding: 2px 8px;
            border-radius: 6px;
            font-family: var(--font-mono);
            font-size: 0.9em;
        }

        .article-empty {
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
            padding: 80px 20px;
            border: 1px dashed rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
        }

        .article-empty h2 {
            font-size: 1.75rem;
            margin-bottom: 14px;
        }

        .article-empty p {
            color: var(--text-weak);
            margin-bottom: 24px;
        }

        /* ===== Related ===== */
        .related-section {
            padding: 64px 0 88px;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.4), rgba(7, 11, 20, 0.6));
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-eyebrow {
            font-size: 0.75rem;
            color: var(--gold);
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 8px;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 3vw, 2.125rem);
            font-weight: 700;
            line-height: 1.3;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .article-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--ease);
        }

        .article-card:hover {
            border-color: rgba(34, 211, 238, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-cyan);
        }

        .article-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #0F172A;
        }

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

        .article-card:hover .article-card-img img {
            transform: scale(1.04);
        }

        .article-card-body {
            padding: 20px 20px 22px;
        }

        .article-card-body h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 10px;
            min-height: 3em;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-body h3 a {
            transition: color var(--ease);
        }

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

        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8125rem;
            color: var(--text-mute);
        }

        .article-card-meta i {
            color: var(--gold);
        }

        .back-link {
            text-align: center;
            padding: 32px 0 0;
        }

        .back-link a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-weak);
            font-size: 0.9375rem;
            font-weight: 500;
            transition: all var(--ease);
        }

        .back-link a i {
            transition: transform var(--ease);
        }

        .back-link a:hover {
            color: var(--cyan);
        }

        .back-link a:hover i {
            transform: translateX(-6px);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0;
        }

        .cta-box {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(214, 163, 84, 0.3);
            border-radius: 24px;
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-gold), var(--shadow-card);
        }

        .cta-box::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 20%, rgba(214, 163, 84, 0.15), transparent 60%),
                radial-gradient(circle at 80% 80%, rgba(34, 211, 238, 0.1), transparent 60%);
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: clamp(1.375rem, 3vw, 2rem);
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
        }

        .cta-box p {
            color: var(--text-weak);
            max-width: 520px;
            margin: 0 auto 28px;
            position: relative;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #060A12;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 4fr 2fr 2fr 3fr;
            gap: 32px;
            padding-bottom: 40px;
        }

        .footer-brand .brand {
            margin-bottom: 16px;
        }

        .footer-about {
            color: var(--text-mute);
            font-size: 0.875rem;
            line-height: 1.8;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.9375rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .footer-links {
            list-style: none;
        }

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

        .footer-links a {
            font-size: 0.875rem;
            color: var(--text-weak);
            transition: all var(--ease);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a::before {
            content: "";
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--cyan);
            opacity: 0.4;
            transition: opacity var(--ease);
        }

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

        .footer-links a:hover::before {
            opacity: 1;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact span {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-weak);
            font-size: 0.8125rem;
            line-height: 1.6;
        }

        .footer-contact i {
            color: var(--gold);
            margin-top: 3px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--text-mute);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .header-contact {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .related-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .header-top-inner {
                height: 60px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .header-actions .btn-ghost,
            .header-actions .btn-primary {
                display: none;
            }

            .header-nav {
                display: none;
            }

            .header-nav.open {
                display: block;
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                bottom: 0;
                z-index: 99;
                overflow-y: auto;
                background: rgba(7, 11, 20, 0.97);
                backdrop-filter: blur(20px);
                padding: 20px 0;
            }

            .nav-overlay.active {
                display: block;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.55);
                z-index: 98;
            }

            .nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                padding: 0 20px;
            }

            .nav-list a {
                height: 44px;
                padding: 0 16px;
                font-size: 0.9375rem;
                justify-content: flex-start;
            }

            .nav-list a.active::after {
                display: none;
            }

            .nav-list a.active {
                background: rgba(34, 211, 238, 0.12);
            }

            .article-banner {
                padding: 48px 0 40px;
            }

            .article-title {
                font-size: 1.625rem;
            }

            .article-content {
                font-size: 1rem;
            }

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

            .cta-box {
                padding: 32px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

        @media (max-width: 520px) {
            .container {
                width: 92%;
            }

            .brand {
                font-size: 1.05rem;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 0.75rem;
            }

            .article-meta {
                gap: 12px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-actions .btn {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
  --bg-primary: #0B1120;
  --bg-secondary: #0F172A;
  --bg-deep: #070B14;
  --brand-cyan: #22D3EE;
  --brand-cyan-soft: #67E8F9;
  --brand-gold: #D6A354;
  --text-primary: #E2E8F0;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.12);
  --glass: rgba(255,255,255,0.04);
  --glass-strong: rgba(255,255,255,0.08);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.35);
  --shadow-cyan: 0 0 24px rgba(34,211,238,0.22);
  --shadow-gold: 0 0 20px rgba(214,163,84,0.18);
  --spacing-section: clamp(4rem, 8vw, 6.5rem);
  --container: min(1200px, 92%);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Roboto Mono", Consolas, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-primary) 40%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--brand-cyan); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--brand-cyan-soft); }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; font-weight: 700; }
p { margin: 0 0 1rem; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; border: none; background: none; color: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

.container {
  width: var(--container);
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  transition: all 0.25s ease;
  border: 1px solid transparent;
  justify-content: center;
}
.btn:focus-visible {
  outline: 2px solid var(--brand-cyan);
  outline-offset: 3px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand-cyan), var(--brand-cyan-soft));
  color: #062A33;
  box-shadow: 0 0 18px rgba(34,211,238,0.25), 0 4px 12px rgba(0,0,0,0.2);
}
.btn-primary:hover {
  color: #062A33;
  filter: brightness(1.08);
  box-shadow: 0 0 26px rgba(34,211,238,0.4), 0 6px 16px rgba(0,0,0,0.25);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
  border-color: var(--border-strong);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}
.btn-ghost:hover {
  color: #fff;
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,255,255,0.2);
}
.btn-ghost:active {
  transform: scale(0.98);
}
.btn-gold {
  background: linear-gradient(135deg, var(--brand-gold), #E4BC7C);
  color: #2A1E0D;
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover {
  color: #2A1E0D;
  filter: brightness(1.06);
  transform: translateY(-1px);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 11, 20, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}

.header-top { height: 64px; display: flex; align-items: center; }
.header-top-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary) !important;
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.2;
  text-decoration: none;
  letter-spacing: 0.01em;
}
.brand:hover { color: var(--text-primary) !important; }
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 10px;
  background: linear-gradient(135deg, rgba(34,211,238,0.18), rgba(214,163,84,0.08));
  border: 1px solid rgba(34,211,238,0.28);
  border-radius: 12px;
  color: var(--brand-cyan);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.1), 0 0 14px rgba(34,211,238,0.12);
}

.header-actions { display: flex; align-items: center; gap: 10px; }
.header-contact {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-right: 4px;
}
.header-contact i { color: var(--brand-cyan); }

.header-nav { border-top: 1px solid rgba(255,255,255,0.05); }
.nav-list { display: flex; align-items: center; gap: 6px; height: 48px; }

.nav-list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 20px;
  border-radius: 999px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.25s ease;
  position: relative;
}
.nav-list a:hover {
  color: var(--text-primary);
  background: rgba(34,211,238,0.08);
}
.nav-list a.active {
  color: #fff;
  background: rgba(34,211,238,0.12);
  box-shadow: inset 0 0 0 1px rgba(34,211,238,0.2), 0 0 18px rgba(34,211,238,0.1);
}
.nav-list a.active::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 2px;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand-cyan);
  box-shadow: 0 0 8px var(--brand-cyan);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--text-primary);
  font-size: 1.1rem;
  transition: all 0.2s ease;
}
.nav-toggle:hover {
  border-color: rgba(34,211,238,0.4);
  background: rgba(34,211,238,0.08);
}
.nav-toggle:focus-visible {
  outline: 2px solid var(--brand-cyan);
  outline-offset: 2px;
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.nav-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

/* Page Hero */
.page-hero {
  position: relative;
  padding: clamp(3.5rem, 8vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-bottom: 1px solid var(--border);
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,11,20,0.72) 0%, rgba(7,11,20,0.9) 100%);
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(34,211,238,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 2; }

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.breadcrumbs a {
  color: var(--text-secondary);
  text-decoration: none;
}
.breadcrumbs a:hover { color: var(--brand-cyan); }
.breadcrumbs .sep { color: var(--text-muted); opacity: 0.7; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(34,211,238,0.1);
  border: 1px solid rgba(34,211,238,0.2);
  color: var(--brand-cyan-soft);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 14px;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.3);
}
.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 28px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Metrics */
.metrics-section {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  position: relative;
  border-bottom: 1px solid var(--border);
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.metric-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,0.05);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.metric-card:hover {
  border-color: rgba(34,211,238,0.4);
  box-shadow: var(--shadow-cyan), inset 0 1px 0 rgba(255,255,255,0.08);
}
.metric-num {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 3.5vw, 2.9rem);
  font-weight: 700;
  color: var(--brand-cyan);
  text-shadow: 0 0 22px rgba(34,211,238,0.4);
  line-height: 1.1;
  margin-bottom: 8px;
}
.metric-unit {
  font-size: 0.85em;
  margin-left: 2px;
  color: var(--brand-cyan-soft);
}
.metric-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Section common */
.section-header {
  margin-bottom: 40px;
  position: relative;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-gold);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}
.section-header p {
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.8;
  margin: 0;
}

/* Access list */
.access-section {
  padding: var(--spacing-section) 0;
  position: relative;
}
.access-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(214,163,84,0.04) 0%, transparent 50%);
  pointer-events: none;
}
.access-list {
  border-top: 1px solid rgba(255,255,255,0.06);
}
.access-item {
  display: grid;
  grid-template-columns: 60px 56px 1fr 48px;
  align-items: center;
  gap: 20px;
  padding: 28px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s ease;
  border-radius: 12px;
}
.access-item:hover {
  background: rgba(34,211,238,0.05);
}
.access-num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--brand-gold);
  opacity: 0.9;
}
.access-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.16);
  border-radius: 12px;
  color: var(--brand-cyan);
  font-size: 1.1rem;
  transition: all 0.3s ease;
}
.access-item:hover .access-icon {
  background: rgba(34,211,238,0.16);
  box-shadow: 0 0 16px rgba(34,211,238,0.18);
}
.access-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.access-content p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.7;
}
.access-arrow {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all 0.3s ease;
}
.access-item:hover .access-arrow {
  color: var(--brand-cyan);
  border-color: rgba(34,211,238,0.35);
  transform: translateX(4px);
  background: rgba(34,211,238,0.08);
}

/* Text Image */
.ti-section {
  padding: var(--spacing-section) 0;
  border-top: 1px solid var(--border);
}
.ti-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.ti-row:last-child { margin-bottom: 0; }
.ti-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,0.04);
  position: relative;
}
.ti-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.ti-image:hover img { transform: scale(1.04); }
.ti-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 80%, rgba(7,11,20,0.4) 100%);
  pointer-events: none;
}
.ti-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brand-gold);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.ti-content h3 {
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.ti-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin: 0;
}

/* Safety */
.safety-section {
  padding: var(--spacing-section) 0;
  border-top: 1px solid var(--border);
  position: relative;
}
.safety-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(34,211,238,0.06) 0%, transparent 55%);
  pointer-events: none;
}
.safety-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.safety-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,0.05);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  gap: 18px;
}
.safety-card:hover {
  border-color: rgba(34,211,238,0.35);
  box-shadow: var(--shadow-cyan), inset 0 1px 0 rgba(255,255,255,0.08);
}
.safety-icon {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.18);
  border-radius: 12px;
  color: var(--brand-cyan);
  font-size: 1.1rem;
}
.safety-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.safety-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0;
}

/* FAQ */
.faq-section {
  padding: var(--spacing-section) 0;
  border-top: 1px solid var(--border);
  position: relative;
}
.faq-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: clamp(2.5rem, 6vw, 5rem);
}
.faq-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: #fff;
  margin-bottom: 14px;
}
.faq-head p {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.95rem;
  margin: 0;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.faq-item.active {
  border-color: rgba(34,211,238,0.3);
  box-shadow: var(--shadow-cyan), inset 0 1px 0 rgba(255,255,255,0.05);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  transition: color 0.2s ease;
}
.faq-item.active .faq-question {
  color: var(--brand-cyan-soft);
}
.faq-question i {
  color: var(--text-muted);
  transition: transform 0.3s ease, color 0.3s ease;
  font-size: 0.9rem;
}
.faq-item.active .faq-question i {
  transform: rotate(45deg);
  color: var(--brand-cyan);
}
.faq-answer {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.3s ease, padding 0.3s ease;
  padding: 0 22px;
}
.faq-item.active .faq-answer {
  max-height: 500px;
  opacity: 1;
  padding: 0 22px 20px;
}
.faq-answer p {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid rgba(34,211,238,0.4);
}

/* CTA */
.cta-section {
  padding: var(--spacing-section) 0;
  border-top: 1px solid var(--border);
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(34,211,238,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.cta-card {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  background: var(--glass-strong);
  border: 1px solid rgba(34,211,238,0.2);
  border-radius: 20px;
  padding: clamp(2.5rem, 5vw, 3.5rem) clamp(1.5rem, 4vw, 3rem);
  box-shadow: var(--shadow), var(--shadow-cyan), inset 0 1px 0 rgba(255,255,255,0.08);
}
.cta-card h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: #fff;
  margin-bottom: 12px;
}
.cta-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 28px;
}
.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background: rgba(5, 8, 15, 0.9);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1.1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.footer-brand .brand { margin-bottom: 14px; }
.footer-about {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 14px 0 0;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.footer-links a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: color 0.2s ease, padding-left 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-links a:hover {
  color: var(--brand-cyan-soft);
  padding-left: 4px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-contact span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.88rem;
}
.footer-contact i {
  color: var(--brand-cyan);
  width: 16px;
  text-align: center;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 0 24px;
  font-size: 0.78rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 1280px) {
  .metrics-grid { gap: 16px; }
}

@media (max-width: 1023px) {
  .header-top { height: 60px; }
  .header-contact { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    height: 100vh;
    background: rgba(9, 14, 26, 0.96);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--border);
    box-shadow: -12px 0 40px rgba(0,0,0,0.5);
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 1050;
    padding: 80px 24px 24px;
  }
  body.nav-open .header-nav {
    transform: translateX(0);
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    height: auto;
    gap: 8px;
  }
  .nav-list a {
    justify-content: flex-start;
    padding: 14px 18px;
    font-size: 1rem;
    border-radius: 12px;
  }
  .nav-list a.active::after { display: none; }
  .nav-toggle {
    display: inline-flex;
    position: relative;
    z-index: 1200;
  }
  body.nav-open .nav-toggle {
    color: var(--brand-cyan);
    border-color: rgba(34,211,238,0.4);
  }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .ti-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .ti-row.reverse .ti-content { order: 1; }
  .ti-row.reverse .ti-image { order: 2; }
  .faq-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .access-item {
    grid-template-columns: 48px 48px 1fr 36px;
    gap: 14px;
    padding: 22px 12px;
  }
}

@media (max-width: 767px) {
  .header-actions .btn { display: none; }
  .brand { font-size: 0.98rem; }
  .brand-icon {
    min-width: 38px;
    height: 38px;
    font-size: 0.95rem;
  }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .metrics-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .metric-card { padding: 20px 16px; }
  .metric-num { font-size: 2rem; }
  .access-item { grid-template-columns: 36px 40px 1fr; }
  .access-arrow { display: none; }
  .access-icon { width: 40px; height: 40px; font-size: 0.95rem; }
  .safety-grid { grid-template-columns: 1fr; }
  .safety-card { flex-direction: column; gap: 10px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
  .page-hero { padding-top: 48px; padding-bottom: 36px; }
  .section-header h2 { font-size: 1.35rem; }
}

@media (max-width: 520px) {
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .access-item {
    grid-template-columns: 32px 1fr;
    gap: 10px;
    padding: 20px 8px;
  }
  .access-icon { display: none; }
  .access-num { font-size: 1.1rem; }
  .access-content h3 { font-size: 1rem; }
  .access-content p { font-size: 0.85rem; }
}

/* Focus states */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--brand-cyan);
  outline-offset: 3px;
}

/* Selection */
::selection {
  background: rgba(34,211,238,0.25);
  color: #fff;
}