/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --bg-primary: #0A1428;
  --bg-secondary: #0D1B36;
  --bg-deep: #060D1C;
  --bg-card: rgba(255, 255, 255, 0.06);
  --bg-card-hover: rgba(255, 255, 255, 0.1);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.05);
  --accent: #00F0C0;
  --accent-bright: #46FFD0;
  --accent-dark: #062A24;
  --accent-secondary: #C6F14A;
  --warning: #FF9C41;
  --text-primary: #E8F0F8;
  --text-secondary: #9BB0C7;
  --text-muted: #5C7290;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-pill: 999px;
  --shadow-primary: 0 0 12px rgba(0, 240, 192, 0.4);
  --shadow-primary-hover: 0 0 24px rgba(0, 240, 192, 0.6);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-num: 'Rajdhani', 'Oswald', sans-serif;
  --container-max: 1200px;
  --spacing-section: 80px;
  --spacing-medium: 48px;
}

/* ========== Reset / Base ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-cn);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.25s ease;
}
a:hover {
  color: var(--accent);
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}
ul, ol {
  list-style: none;
}
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.25;
}

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

/* ========== 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 20, 40, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-light);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--container-max);
  margin: 0 auto;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, #009B7A 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 17px;
  box-shadow: 0 0 14px rgba(0, 240, 192, 0.35);
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  white-space: nowrap;
}
.logo-text span {
  color: var(--accent);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--text-secondary);
  border-radius: 8px;
  position: relative;
  transition: all 0.25s ease;
}
.main-nav a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}
.main-nav a.active {
  color: var(--accent);
  font-weight: 500;
}
.main-nav a.active::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0, 240, 192, 0.6);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.btn-login {
  padding: 7px 18px;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-btn);
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.25s ease;
  background: transparent;
}
.btn-login:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 240, 192, 0.06);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-primary);
  border: none;
}
.btn-primary:hover {
  background: var(--accent-bright);
  box-shadow: var(--shadow-primary-hover);
  color: var(--accent-dark);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 0 8px rgba(0, 240, 192, 0.4);
}
.btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 240, 192, 0.35), var(--shadow-primary);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: all 0.25s ease;
}
.btn-outline:hover {
  background: rgba(0, 240, 192, 0.12);
  color: var(--accent-bright);
}
.btn-outline:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 240, 192, 0.35);
}
.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border-card);
  background: transparent;
  cursor: pointer;
  position: relative;
  z-index: 1100;
}
.mobile-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px auto;
  transition: all 0.3s ease;
  border-radius: 2px;
}
.mobile-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 20, 40, 0.92) 20%, rgba(10, 20, 40, 0.6) 60%, rgba(10, 20, 40, 0.75) 100%);
  z-index: -2;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 40%, rgba(0, 240, 192, 0.18) 0%, transparent 55%);
  z-index: -1;
}
.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  z-index: -1;
  pointer-events: none;
}
.hero-cut {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 48px;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-primary) 45%, transparent 45%);
  z-index: 5;
}
.hero-glow-line {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 5%, rgba(0, 240, 192, 0.8) 40%, rgba(0, 240, 192, 0.6) 70%, transparent 95%);
  box-shadow: 0 0 20px rgba(0, 240, 192, 0.5);
  z-index: 6;
}
.hero-content {
  padding: 80px 0 96px;
  max-width: 620px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  font-size: 13px;
  color: var(--accent-secondary);
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.hero-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px rgba(0, 240, 192, 0.8);
}
.hero h1 {
  font-size: 48px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  color: #ffffff;
}
.hero h1 .accent-text {
  color: var(--accent);
  position: relative;
}
.hero-sub {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 540px;
}
.hero-stats {
  display: flex;
  gap: 14px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-glass);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  font-size: 13px;
  color: var(--text-secondary);
  backdrop-filter: blur(10px);
}
.stat-badge .num {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.stat-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-secondary);
  border-radius: 2px;
  transform: rotate(45deg);
  flex-shrink: 0;
  margin-right: 4px;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-btns .btn-primary {
  min-width: 150px;
  padding: 14px 28px;
  font-size: 15px;
}
.hero-btns .btn-outline {
  min-width: 130px;
  padding: 13px 24px;
  font-size: 15px;
}

/* ========== 板块通用 ========== */
.section {
  padding: var(--spacing-section) 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-size: 30px;
  letter-spacing: -0.02em;
  position: relative;
}
.section-head h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 2px;
  margin-top: 10px;
}
.section-desc {
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 480px;
}
.section-more {
  font-size: 14px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-card);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  transition: all 0.25s ease;
  background: var(--bg-glass);
}
.section-more:hover {
  border-color: var(--accent);
  background: rgba(0, 240, 192, 0.08);
}
.section-more::after {
  content: '→';
  font-size: 16px;
}

/* ========== 合集目录 ========== */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.topic-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
}
.topic-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 240, 192, 0.3);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(0, 240, 192, 0.08);
}
.topic-cover {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.topic-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.topic-card:hover .topic-cover img {
  transform: scale(1.05);
}
.topic-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 20, 40, 0.35) 0%, transparent 50%);
}
.topic-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent-secondary);
  color: #1a2404;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  z-index: 2;
  letter-spacing: 0.02em;
}
.topic-body {
  padding: 18px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.topic-body h3 {
  font-size: 18px;
  margin-bottom: 8px;
  font-weight: 600;
}
.topic-count {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}
.topic-count .num {
  font-family: var(--font-num);
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
}

/* ========== 精选条目 ========== */
.featured-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.featured-card {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
  align-items: stretch;
}
.featured-card:hover {
  border-color: rgba(0, 240, 192, 0.25);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}
.featured-thumb {
  width: 220px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  min-height: 160px;
}
.featured-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.featured-card:hover .featured-thumb img {
  transform: scale(1.04);
}
.featured-info {
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
}
.featured-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  margin-bottom: 10px;
}
.featured-cat .cat-badge {
  background: rgba(0, 240, 192, 0.12);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
}
.featured-info h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
}
.featured-info h3 a {
  color: var(--text-primary);
  transition: color 0.25s;
}
.featured-info h3 a:hover {
  color: var(--accent);
}
.featured-summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}
.featured-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}
.featured-meta .date {
  display: flex;
  align-items: center;
  gap: 5px;
}
.featured-meta .date::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-secondary);
  margin-right: 10px;
}
.featured-meta .read-time::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-muted);
  margin-right: 10px;
  display: inline-block;
}

/* ========== 相关推荐 ========== */
.recommend-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}
.recommend-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 240, 192, 0.06) 0%, transparent 70%);
}
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.recommend-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all 0.3s ease;
  display: block;
}
.recommend-card:hover {
  border-color: rgba(0, 240, 192, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}
.recommend-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.recommend-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.recommend-card:hover .recommend-thumb img {
  transform: scale(1.05);
}
.recommend-body {
  padding: 16px 18px 18px;
}
.recommend-body h3 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
}
.recommend-body h3 a {
  color: var(--text-primary);
}
.recommend-body h3 a:hover {
  color: var(--accent);
}
.recommend-body .meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
  align-items: center;
}
.recommend-body .meta span::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 6px;
  vertical-align: middle;
}

/* ========== CTA 横幅 ========== */
.cta-banner {
  position: relative;
  background: linear-gradient(135deg, #0B1E3A 0%, #0A1428 50%, #071325 100%);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  overflow: hidden;
  padding: 64px 0;
}
.cta-banner::before {
  content: '';
  position: absolute;
  left: 10%;
  right: 10%;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  box-shadow: 0 0 24px rgba(0, 240, 192, 0.4);
}
.cta-banner::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  width: 400px;
  height: 200px;
  background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
  opacity: 0.12;
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
}
.cta-text h3 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.cta-text p {
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 420px;
}
.cta-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ========== 最新信息动态（CMS） ========== */
.latest-section {
  background: var(--bg-primary);
}
.latest-list {
  border-top: 1px solid var(--border-light);
}
.latest-row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 16px;
  border-bottom: 1px solid var(--border-light);
  transition: all 0.25s ease;
  border-radius: 8px;
}
.latest-row:hover {
  background: rgba(0, 240, 192, 0.04);
}
.latest-date {
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--text-muted);
  flex-shrink: 0;
  width: 80px;
  letter-spacing: 0.04em;
}
.latest-main {
  flex: 1;
  min-width: 0;
}
.latest-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.2s;
}
.latest-row:hover .latest-title {
  color: var(--accent);
}
.latest-summary {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.latest-cat {
  flex-shrink: 0;
  font-size: 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-card);
  color: var(--accent-secondary);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
}
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 56px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}
.empty-icon {
  font-size: 40px;
  margin-bottom: 14px;
  opacity: 0.6;
}
.empty-state p {
  color: var(--text-muted);
  font-size: 15px;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg-secondary);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 14px;
  overflow: hidden;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}
.faq-item.active {
  border-color: rgba(0, 240, 192, 0.3);
  border-left-color: var(--accent);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.2s;
  background: transparent;
  width: 100%;
  text-align: left;
  gap: 16px;
}
.faq-question:hover {
  color: var(--accent);
}
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--accent);
  flex-shrink: 0;
  transition: all 0.3s ease;
  font-style: normal;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: rgba(0, 240, 192, 0.12);
  border-color: var(--accent);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-body {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ========== 最终 CTA ========== */
.final-cta {
  position: relative;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  padding: 96px 0;
  overflow: hidden;
  text-align: center;
  isolation: isolate;
}
.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 20, 40, 0.93) 0%, rgba(10, 20, 40, 0.82) 100%);
  z-index: -1;
}
.final-cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0, 240, 192, 0.08) 0%, transparent 70%);
  z-index: -1;
}
.final-cta h2 {
  font-size: 32px;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: #ffffff;
}
.final-cta p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.final-cta .btn-primary {
  padding: 15px 44px;
  font-size: 16px;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-deep);
  padding: 64px 0 0;
  border-top: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 192, 0.3), transparent);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .logo {
  margin-bottom: 18px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 340px;
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all 0.25s ease;
}
.footer-social a:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 12px rgba(0, 240, 192, 0.15);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
  position: relative;
  padding-bottom: 8px;
}
.footer-col h4::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  margin-top: 8px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.footer-col ul a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .recommend-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  :root {
    --spacing-section: 56px;
  }
  .container {
    padding: 0 16px;
  }
  .header-inner {
    padding: 12px 16px;
  }
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 20, 40, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 80px 20px 32px;
    gap: 6px;
    transition: right 0.35s ease;
    justify-content: flex-start;
    z-index: 1050;
    box-shadow: -12px 0 40px rgba(0, 0, 0, 0.5);
  }
  .main-nav.open {
    right: 0;
  }
  .main-nav a {
    width: 100%;
    text-align: left;
    padding: 14px 20px;
    font-size: 16px;
  }
  .main-nav a.active::after {
    left: 20px;
    right: auto;
    width: 24px;
  }
  .header-actions {
    gap: 8px;
  }
  .header-actions .btn-login {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero {
    min-height: auto;
    padding: 64px 0 80px;
  }
  .hero h1 {
    font-size: 32px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-content {
    padding: 40px 0 64px;
  }
  .hero-stats {
    gap: 8px;
  }
  .stat-badge {
    padding: 6px 14px;
    font-size: 12px;
  }
  .stat-badge .num {
    font-size: 15px;
  }
  .hero-btns {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  .hero-btns .btn-primary,
  .hero-btns .btn-outline {
    width: 100%;
    justify-content: center;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .topic-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .featured-card {
    flex-direction: column;
  }
  .featured-thumb {
    width: 100%;
    aspect-ratio: 16/9;
    min-height: auto;
  }
  .featured-info {
    padding: 18px;
  }
  .featured-info h3 {
    font-size: 18px;
  }
  .recommend-grid {
    grid-template-columns: 1fr;
  }
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-btns {
    flex-direction: column;
    width: 100%;
  }
  .cta-btns .btn-primary,
  .cta-btns .btn-outline {
    width: 100%;
    justify-content: center;
  }
  .latest-row {
    flex-wrap: wrap;
    gap: 8px 16px;
    padding: 16px 12px;
  }
  .latest-date {
    width: auto;
  }
  .latest-main {
    width: 100%;
    order: 3;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-brand {
    grid-column: auto;
  }
  .final-cta {
    padding: 64px 0;
  }
  .final-cta h2 {
    font-size: 24px;
  }
  .final-cta .btn-primary {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 520px) {
  .logo-text {
    font-size: 17px;
  }
  .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 15px;
  }
  .header-actions .btn-primary {
    padding: 8px 14px;
    font-size: 13px;
  }
  .hero h1 {
    font-size: 28px;
  }
  .hero-stats .stat-badge:nth-child(n+4) {
    display: none;
  }
  .section-head h2 {
    font-size: 22px;
  }
  .topic-body h3 {
    font-size: 16px;
  }
  .faq-question {
    font-size: 15px;
    padding: 16px 18px;
  }
  .faq-answer-body {
    padding: 0 18px 16px;
    font-size: 13px;
  }
}

/* ========== 动画 ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.hero .hero-content {
  animation: fadeInUp 0.8s ease both;
}
.section {
  animation: fadeInUp 0.5s ease both;
}

/* roulang page: article */
:root{
  --bg:#0A1428;--bg-deep:#060D1C;--surface:rgba(255,255,255,.05);--surface-hover:rgba(255,255,255,.09);
  --surface-active:rgba(0,240,192,.08);--border:rgba(255,255,255,.08);--border-strong:rgba(255,255,255,.16);
  --accent:#00F0C0;--accent-bright:#46FFD0;--accent-dark:#062A24;--lime:#C6F14A;--orange:#FF9C41;
  --text:#E8F0F8;--text-secondary:#9BB0C7;--text-weak:#5C7290;--radius:12px;--radius-sm:8px;--radius-lg:18px;
  --font-cn:'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;--font-num:'Rajdhani','Oswald',sans-serif;
  --shadow-card:0 8px 30px rgba(0,0,0,.35);--shadow-glow:0 0 24px rgba(0,240,192,.45);
  --transition:all .3s cubic-bezier(.4,0,.2,1);--container:1200px;--section-gap:80px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-cn);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
button{border:none;background:none;cursor:pointer;font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition);line-height:1;white-space:nowrap;border:1px solid transparent}
.btn-primary{background:var(--accent);color:var(--accent-dark);box-shadow:0 0 12px rgba(0,240,192,.4)}
.btn-primary:hover{background:var(--accent-bright);box-shadow:0 0 24px rgba(0,240,192,.6);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 8px rgba(0,240,192,.3)}
.btn-outline{background:transparent;color:var(--accent);border-color:rgba(0,240,192,.5)}
.btn-outline:hover{background:rgba(0,240,192,.12);border-color:var(--accent)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-lg{padding:16px 40px;font-size:16px}
.btn:focus-visible,.main-nav a:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:0 0 0 4px rgba(0,240,192,.2)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 14px;border-radius:999px;background:rgba(198,241,74,.12);border:1px solid rgba(198,241,74,.3);color:var(--lime);font-size:13px;font-weight:500}
.tag-blue{background:rgba(0,240,192,.08);border-color:rgba(0,240,192,.25);color:var(--accent)}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(10,20,40,.78);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:32px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:38px;height:38px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent),var(--lime));color:var(--accent-dark);font-weight:800;font-size:18px;border-radius:10px;box-shadow:0 0 14px rgba(0,240,192,.35)}
.logo-text{font-size:20px;font-weight:700;letter-spacing:.5px;line-height:1.2}
.logo-text span{color:var(--accent)}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.main-nav a{padding:10px 18px;font-size:15px;font-weight:500;color:var(--text-secondary);border-radius:8px;position:relative;transition:var(--transition)}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.main-nav a.active{color:var(--accent);font-weight:600}
.main-nav a.active::after{content:'';position:absolute;left:18px;right:18px;bottom:2px;height:2px;background:var(--accent);border-radius:2px;box-shadow:0 0 8px rgba(0,240,192,.6)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{display:none;width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center;color:var(--text);border:1px solid var(--border);font-size:18px;transition:var(--transition)}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
.article-hero{position:relative;padding:60px 0 52px;background:linear-gradient(120deg,rgba(10,20,40,.94) 0%,rgba(10,20,40,.82) 55%,rgba(10,20,40,.6) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;border-bottom:1px solid var(--border)}
.article-hero::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:26px 26px;opacity:.35;pointer-events:none}
.article-hero::after{content:'';position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--accent) 0%,rgba(0,240,192,.25) 50%,transparent 100%)}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-weak);margin-bottom:22px;position:relative;z-index:1}
.breadcrumb a{color:var(--text-secondary)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--text-weak);opacity:.6}
.breadcrumb .cur{color:var(--text-weak);max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{font-size:36px;line-height:1.3;font-weight:700;letter-spacing:-.02em;max-width:780px;margin-bottom:20px;position:relative;z-index:1}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px;position:relative;z-index:1}
.meta-item{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-secondary);font-family:var(--font-num)}
.meta-item i{color:var(--accent);font-size:13px}
.meta-item .cat-name{color:var(--accent);font-family:var(--font-cn);font-weight:500}
.article-main{padding:56px 0 48px}
.article-container{max-width:880px;margin:0 auto}
.article-cover{position:relative;border-radius:var(--radius-lg);overflow:hidden;margin-bottom:40px;border:1px solid var(--border);box-shadow:var(--shadow-card)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s ease}
.article-cover:hover img{transform:scale(1.02)}
.article-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(10,20,40,.4) 100%);pointer-events:none}
.article-content{font-size:16px;line-height:1.8;color:var(--text-secondary);overflow-wrap:break-word}
.article-content h2{font-size:24px;font-weight:700;color:var(--text);margin:44px 0 18px;padding-left:16px;border-left:3px solid var(--accent);line-height:1.4}
.article-content h3{font-size:20px;font-weight:600;color:var(--text);margin:36px 0 14px;line-height:1.4}
.article-content p{margin:16px 0;color:var(--text-secondary);line-height:1.8}
.article-content strong{color:var(--text);font-weight:600}
.article-content blockquote{margin:24px 0;padding:18px 22px;background:rgba(0,240,192,.05);border-left:3px solid var(--accent);border-radius:0 10px 10px 0;color:var(--text);font-style:normal}
.article-content blockquote p{color:var(--text);margin:4px 0}
.article-content ul,.article-content ol{margin:18px 0;padding-left:26px;color:var(--text-secondary)}
.article-content li{margin:8px 0;line-height:1.7}
.article-content ul li{list-style:disc}
.article-content ol li{list-style:decimal}
.article-content ul li::marker{color:var(--accent)}
.article-content img{border-radius:var(--radius);margin:26px auto;box-shadow:var(--shadow-card)}
.article-content a{color:var(--accent);border-bottom:1px solid rgba(0,240,192,.3)}
.article-content a:hover{border-bottom-color:var(--accent)}
.article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:14px;display:block;overflow-x:auto;min-width:100%}
.article-content th,.article-content td{border:1px solid var(--border);padding:12px 16px;text-align:left;white-space:nowrap}
.article-content th{background:rgba(255,255,255,.05);color:var(--text);font-weight:600}
.article-content td{color:var(--text-secondary)}
.article-content code{background:rgba(255,255,255,.07);padding:2px 8px;border-radius:5px;font-size:14px;color:var(--accent)}
.article-end{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:48px;padding-top:28px;border-top:1px solid var(--border)}
.article-tags{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.article-share{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-weak)}
.article-share a{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;background:var(--surface);border:1px solid var(--border);color:var(--text-secondary);transition:var(--transition)}
.article-share a:hover{background:var(--surface-active);color:var(--accent);border-color:var(--accent)}
.post-pagination{padding:0 0 64px}
.post-pagination .container{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:880px}
.pag-item{display:block;padding:22px 26px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition)}
.pag-item:hover{background:var(--surface-hover);border-color:rgba(0,240,192,.3);transform:translateY(-3px)}
.pag-item.next{text-align:right}
.pag-label{display:block;font-size:13px;color:var(--text-weak);margin-bottom:6px;font-family:var(--font-num)}
.pag-title{display:block;font-size:16px;font-weight:600;color:var(--text)}
.related-section{padding:64px 0;background:var(--bg-deep);position:relative}
.related-section::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,240,192,.25),transparent)}
.section-head{text-align:center;margin-bottom:44px}
.section-head h2{font-size:30px;font-weight:700;letter-spacing:-.02em;margin-bottom:10px}
.section-head p{color:var(--text-secondary);font-size:15px;max-width:600px;margin:0 auto}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1080px;margin:0 auto}
.related-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition);display:block;position:relative}
.related-card:hover{transform:translateY(-6px);border-color:rgba(0,240,192,.35);box-shadow:0 12px 32px rgba(0,0,0,.35)}
.related-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.related-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .related-cover img{transform:scale(1.05)}
.related-cover .tag{position:absolute;top:12px;left:12px;z-index:2;background:rgba(6,13,28,.7);backdrop-filter:blur(6px)}
.related-body{padding:20px}
.related-body h3{font-size:17px;font-weight:600;color:var(--text);margin-bottom:8px;line-height:1.4}
.related-body p{font-size:13px;color:var(--text-weak);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-meta{display:block;margin-top:14px;font-size:13px;color:var(--text-weak);font-family:var(--font-num)}
.back-col{text-align:center;margin-top:40px}
.back-col a{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--text-secondary);padding:10px 24px;border-radius:8px;border:1px solid var(--border);background:var(--surface)}
.back-col a:hover{color:var(--accent);border-color:var(--accent);background:var(--surface-active)}
.cta-section{padding:72px 0;position:relative;background:linear-gradient(135deg,rgba(0,240,192,.12),transparent 45%),var(--bg) url('/assets/images/backpic/back-2.png') center/cover no-repeat;text-align:center;clip-path:polygon(0 0,100% 0,100% calc(100% - 32px),0 100%)}
.cta-section .container{position:relative;z-index:2;padding-bottom:32px}
.cta-section h2{font-size:32px;font-weight:700;margin-bottom:14px}
.cta-section p{color:var(--text-secondary);font-size:16px;max-width:560px;margin:0 auto 32px}
.not-found{padding:100px 0;text-align:center;min-height:55vh}
.not-found .nf-icon{font-size:56px;color:var(--text-weak);margin-bottom:20px}
.not-found h1{font-size:32px;font-weight:700;margin-bottom:12px}
.not-found p{color:var(--text-secondary);margin-bottom:32px}
.site-footer{background:var(--bg-deep);padding:64px 0 0;border-top:1px solid var(--border)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-weak);line-height:1.7;max-width:380px;margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;background:var(--surface);border:1px solid var(--border);color:var(--text-secondary);font-size:15px;transition:var(--transition)}
.footer-social a:hover{background:var(--surface-active);color:var(--accent);border-color:var(--accent)}
.footer-col h4{font-size:16px;font-weight:600;color:var(--text);margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--text-secondary);transition:var(--transition)}
.footer-col ul li a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{border-top:1px solid var(--border);padding:20px 0;text-align:center;font-size:13px;color:var(--text-weak)}
@media (min-width:1200px){
  .article-hero h1{font-size:40px}
}
@media (max-width:1024px){
  .related-grid{grid-template-columns:repeat(2,1fr);max-width:720px}
  .article-hero h1{font-size:32px}
}
@media (max-width:768px){
  .header-inner{height:64px;gap:16px}
  .site-header .main-nav{position:fixed;top:64px;left:0;right:0;background:rgba(10,20,40,.96);backdrop-filter:blur(18px);flex-direction:column;align-items:stretch;padding:16px 20px;gap:4px;border-bottom:1px solid var(--border);transform:translateY(-120%);opacity:0;pointer-events:none;transition:all .35s ease;z-index:999;box-shadow:0 20px 40px rgba(0,0,0,.4)}
  .site-header .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .main-nav a{padding:14px 14px;font-size:16px;border-radius:8px}
  .main-nav a.active{background:rgba(0,240,192,.08)}
  .main-nav a.active::after{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn-outline{display:none}
  .nav-actions .btn-primary{padding:9px 16px;font-size:13px}
  .article-hero{padding:44px 0 40px}
  .article-hero h1{font-size:26px;line-height:1.35}
  .article-meta{gap:10px;flex-direction:column;align-items:flex-start}
  .article-main{padding:40px 0 32px}
  .article-content{font-size:15px}
  .article-content h2{font-size:21px}
  .article-content h3{font-size:18px}
  .post-pagination .container{grid-template-columns:1fr;gap:14px}
  .related-grid{grid-template-columns:1fr;max-width:460px}
  .article-end{flex-direction:column;align-items:flex-start}
  .footer-top{grid-template-columns:1fr;gap:36px}
  .section-head h2{font-size:24px}
  .cta-section h2{font-size:24px}
  .cta-section p{font-size:14px}
  .btn-lg{padding:14px 32px;font-size:15px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .logo-text{font-size:17px}
  .logo-icon{width:32px;height:32px;font-size:15px;border-radius:8px}
  .nav-actions .btn{font-size:12px;padding:8px 12px;gap:4px}
  .article-hero h1{font-size:22px}
  .breadcrumb{font-size:13px}
  .breadcrumb .cur{max-width:160px}
  .article-cover{margin-bottom:28px;border-radius:14px}
  .article-content{font-size:14px;line-height:1.75}
  .article-content h2{font-size:19px;margin:32px 0 14px}
  .article-content blockquote{padding:14px 16px}
  .article-content table{font-size:13px}
  .pag-item{padding:18px 20px}
  .related-body h3{font-size:16px}
  .cta-section{padding:56px 0;clip-path:none}
  .cta-section .container{padding-bottom:0}
  .footer-top{padding-bottom:32px}
}

/* roulang page: category1 */
:root {
  --bg: #0A1428;
  --bg-deep: #060D1C;
  --bg-soft: #0E1C36;
  --surface: rgba(255,255,255,0.05);
  --surface-hover: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --primary: #00F0C0;
  --primary-bright: #46FFD0;
  --primary-dark: #062A24;
  --secondary: #C6F14A;
  --warning: #FF9C41;
  --text: #E8F0F8;
  --text-sub: #9BB0C7;
  --text-weak: #5C7290;
  --text-faint: #3D5270;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-full: 999px;
  --shadow-glow: 0 0 12px rgba(0,240,192,0.4);
  --shadow-glow-lg: 0 0 24px rgba(0,240,192,0.6);
  --shadow-card: 0 10px 30px rgba(0,0,0,0.28);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --font-num: "Rajdhani", "Oswald", "DIN Alternate", sans-serif;
  --container: 1200px;
  --gap: 24px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

input {
  font-family: inherit;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.num {
  font-family: var(--font-num);
  font-weight: 700;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary);
  background: rgba(198,241,74,0.1);
  border: 1px solid rgba(198,241,74,0.3);
  padding: 4px 14px;
  border-radius: var(--radius-full);
}

.eyebrow::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--secondary);
  border-radius: 2px;
  transform: rotate(45deg);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: all 0.28s ease;
  white-space: nowrap;
  line-height: 1.4;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,240,192,0.35);
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-dark);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: var(--primary-bright);
  box-shadow: var(--shadow-glow-lg);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 0 8px rgba(0,240,192,0.4);
}

.btn-outline {
  background: transparent;
  border-color: rgba(0,240,192,0.55);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(0,240,192,0.12);
  border-color: var(--primary);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
  border-radius: 12px;
}

.btn-sm {
  padding: 7px 14px;
  font-size: 13px;
  border-radius: 8px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,20,40,0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--primary), #00A884);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  box-shadow: var(--shadow-glow);
}

.logo-text {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.logo-text span {
  color: var(--primary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav a:not(.btn) {
  position: relative;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-sub);
  padding: 6px 0;
  transition: color 0.25s ease;
}

.main-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--primary);
  box-shadow: 0 0 10px rgba(0,240,192,0.7);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.main-nav a:not(.btn):hover {
  color: var(--text);
}

.main-nav a:not(.btn):hover::after {
  transform: scaleX(1);
}

.main-nav a.active:not(.btn) {
  color: var(--text);
}

.main-nav a.active:not(.btn)::after {
  transform: scaleX(1);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-cta .btn {
  height: 40px;
  padding-top: 0;
  padding-bottom: 0;
}

.nav-cta-mobile {
  display: none;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  align-items: center;
  transition: background 0.25s;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.menu-toggle:hover {
  background: rgba(255,255,255,0.06);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 84px 0 104px;
  background:
    linear-gradient(120deg, rgba(6,12,26,0.88) 20%, rgba(10,20,40,0.72) 60%, rgba(10,20,40,0.86)),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(640px 320px at 10% 40%, rgba(0,240,192,0.16), transparent 70%),
    radial-gradient(420px 220px at 88% 18%, rgba(198,241,74,0.07), transparent 70%);
  background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: auto, auto, 22px 22px;
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  box-shadow: 0 0 20px rgba(0,240,192,0.85);
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-weak);
  margin-bottom: 22px;
}

.breadcrumb a {
  color: var(--text-sub);
  transition: color 0.25s;
}

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

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

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

.page-hero h1 {
  font-size: 50px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 18px;
}

.page-hero h1 span {
  color: var(--primary);
}

.hero-lead {
  max-width: 620px;
  font-size: 17px;
  color: var(--text-sub);
  margin-bottom: 14px;
}

.hero-lead strong {
  color: var(--text);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* ===== Stats ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 46px;
}

.stat-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary);
  opacity: 0.7;
}

.stat-item:hover {
  border-color: rgba(0,240,192,0.35);
  transform: translateY(-3px);
}

.stat-num {
  font-size: 38px;
  line-height: 1.1;
  color: var(--primary);
  font-weight: 700;
}

.stat-num small {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-sub);
  margin-left: 2px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-weak);
  margin-top: 6px;
}

/* ===== Sections ===== */
.section {
  padding: 76px 0;
}

.section-alt {
  background: linear-gradient(180deg, var(--bg) 0%, #0C1930 50%, var(--bg) 100%);
}

.section-head {
  text-align: center;
  margin-bottom: 46px;
}

.section-head .eyebrow {
  margin-bottom: 14px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.section-sub {
  max-width: 620px;
  margin: 12px auto 0;
  font-size: 15px;
  color: var(--text-sub);
}

/* ===== Feature Cards ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 24px 26px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(0,240,192,0.4);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}

.feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 13px;
  background: rgba(0,240,192,0.12);
  border: 1px solid rgba(0,240,192,0.25);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
  font-style: normal;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== Event Cards ===== */
.event-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.event-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.event-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0,240,192,0.35);
  box-shadow: var(--shadow-card);
}

.event-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.event-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.event-card:hover .event-cover img {
  transform: scale(1.05);
}

.event-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(10,20,40,0.55));
}

.event-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
  font-size: 12px;
  font-weight: 600;
  color: var(--secondary);
  background: rgba(10,20,40,0.78);
  border: 1px solid rgba(198,241,74,0.4);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(6px);
}

.event-body {
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.event-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

.event-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  flex: 1;
}

.event-meta {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-weak);
}

.event-meta .num {
  color: var(--primary);
  font-size: 14px;
}

.event-meta .more {
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  transition: letter-spacing 0.25s;
}

.event-card:hover .event-meta .more {
  letter-spacing: 1px;
}

/* ===== Coverage ===== */
.coverage-wrap {
  position: relative;
  padding: 30px 0 10px;
}

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.coverage-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 24px 22px;
  transition: border-color 0.3s, background 0.3s;
}

.coverage-card:hover {
  border-color: rgba(0,240,192,0.3);
  background: rgba(0,240,192,0.04);
}

.coverage-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.coverage-card .coverage-sub {
  font-size: 12px;
  color: var(--text-weak);
  margin-bottom: 14px;
  display: block;
}

.coverage-card li {
  font-size: 14px;
  color: var(--text-sub);
  padding: 6px 0 6px 14px;
  position: relative;
  border-bottom: 1px dashed rgba(255,255,255,0.06);
}

.coverage-card li:last-child {
  border-bottom: none;
}

.coverage-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  background: var(--secondary);
  transform: translateY(-50%) rotate(45deg);
  border-radius: 1px;
}

/* ===== News List ===== */
.news-panel {
  max-width: 920px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 10px 28px;
}

.news-row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  transition: background 0.25s ease, transform 0.25s ease;
}

.news-row:last-child {
  border-bottom: none;
}

.news-row:hover {
  background: rgba(0,240,192,0.05);
  transform: translateX(4px);
}

.news-date {
  flex-shrink: 0;
  width: 92px;
  text-align: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 8px 0;
  font-size: 12px;
  color: var(--text-weak);
  line-height: 1.3;
}

.news-date .num {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.1;
}

.news-main {
  flex: 1;
  min-width: 0;
}

.news-main h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  transition: color 0.25s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-row:hover .news-main h3 {
  color: var(--primary);
}

.news-main p {
  font-size: 13px;
  color: var(--text-weak);
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-tag {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--secondary);
  border: 1px solid rgba(198,241,74,0.3);
  background: rgba(198,241,74,0.08);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid rgba(0,240,192,0.6);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.3s, background 0.3s;
}

.faq-item.open {
  border-color: rgba(0,240,192,0.32);
  background: rgba(0,240,192,0.04);
}

.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  width: 100%;
  text-align: left;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: color 0.25s;
}

.faq-q:hover {
  color: var(--primary);
}

.faq-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(0,240,192,0.14);
  color: var(--primary);
  font-size: 18px;
  font-style: normal;
  font-weight: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, background 0.3s;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(0,240,192,0.25);
}

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

.faq-item.open .faq-a {
  max-height: 320px;
}

.faq-a p {
  padding: 0 22px 20px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
}

/* ===== Final CTA ===== */
.final-cta {
  position: relative;
  padding: 80px 0;
  background:
    radial-gradient(700px 320px at 50% 0%, rgba(0,240,192,0.12), transparent 70%),
    var(--bg-deep);
  clip-path: polygon(0 14px, 100% 0, 100% calc(100% - 14px), 0 100%);
  text-align: center;
  overflow: hidden;
}

.final-cta::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 70%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  box-shadow: 0 0 18px rgba(0,240,192,0.7);
}

.final-cta h2 {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.final-cta p {
  max-width: 560px;
  margin: 0 auto 30px;
  color: var(--text-sub);
  font-size: 15px;
}

.final-cta .btn {
  height: 52px;
  padding-left: 36px;
  padding-right: 36px;
  font-size: 17px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 64px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
}

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

.footer-brand p {
  font-size: 14px;
  color: var(--text-weak);
  max-width: 400px;
  margin-bottom: 22px;
  line-height: 1.8;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-sub);
  font-size: 14px;
  transition: all 0.25s ease;
}

.footer-social a:hover {
  background: rgba(0,240,192,0.15);
  border-color: rgba(0,240,192,0.4);
  color: var(--primary);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
}

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

.footer-col li a {
  font-size: 14px;
  color: var(--text-weak);
  transition: color 0.25s, padding-left 0.25s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-faint);
}

.footer-bottom p {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .page-hero h1 {
    font-size: 42px;
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .main-nav {
    position: fixed;
    top: 74px;
    right: 0;
    bottom: 0;
    width: min(320px, 78vw);
    background: rgba(7,14,28,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255,255,255,0.08);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
    padding: 24px 28px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    box-shadow: -16px 0 40px rgba(0,0,0,0.4);
    overflow-y: auto;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .main-nav a:not(.btn) {
    width: 100%;
    font-size: 17px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .main-nav a:not(.btn)::after {
    display: none;
  }

  .main-nav a:not(.btn).active {
    color: var(--primary);
  }

  .nav-cta-mobile {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    margin-top: 24px;
  }

  .nav-cta-mobile .btn {
    width: 100%;
  }
}

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

  .section-title {
    font-size: 26px;
  }

  .page-hero {
    padding: 60px 0 80px;
    background:
      linear-gradient(150deg, rgba(6,12,26,0.9) 20%, rgba(10,20,40,0.78)),
      url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  }

  .page-hero h1 {
    font-size: 34px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-actions .btn {
    flex: 1;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .stats-bar {
    gap: 14px;
  }

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

  .news-panel {
    padding: 8px 16px;
  }

  .news-row {
    gap: 14px;
  }

  .news-date {
    width: 72px;
    padding: 6px 0;
  }

  .news-date .num {
    font-size: 20px;
  }

  .news-main p {
    display: none;
  }
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .stat-item {
    padding: 16px 14px;
  }

  .stat-num {
    font-size: 28px;
  }

  .stat-label {
    font-size: 12px;
  }

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

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

  .news-row {
    flex-wrap: wrap;
    padding: 14px 6px;
  }

  .news-date {
    width: auto;
    padding: 4px 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
  }

  .news-date .num {
    display: inline;
    font-size: 16px;
  }

  .news-main {
    width: 100%;
    flex-basis: 100%;
    order: 2;
  }

  .news-main h3 {
    white-space: normal;
    font-size: 15px;
  }

  .news-tag {
    margin-left: auto;
  }

  .final-cta {
    padding: 60px 0;
  }

  .final-cta h2 {
    font-size: 24px;
  }

  .final-cta .btn {
    width: 100%;
    max-width: 320px;
  }

  .faq-q {
    padding: 16px;
    font-size: 15px;
  }

  .faq-a p {
    padding: 0 16px 16px;
    font-size: 13px;
  }
}

/* roulang page: category2 */
:root {
            --bg: #0A1428;
            --bg-deep: #060D1C;
            --bg-card: rgba(255, 255, 255, 0.05);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --bg-glass: rgba(255, 255, 255, 0.06);
            --border: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.14);
            --primary: #00F0C0;
            --primary-bright: #46FFD0;
            --primary-dim: rgba(0, 240, 192, 0.12);
            --primary-glow: rgba(0, 240, 192, 0.35);
            --secondary: #C6F14A;
            --secondary-dim: rgba(198, 241, 74, 0.14);
            --accent: #FF9C41;
            --accent-dim: rgba(255, 156, 65, 0.15);
            --text-main: #E8F0F8;
            --text-sub: #9BB0C7;
            --text-weak: #5C7290;
            --text-dark: #062A24;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.35);
            --shadow-primary: 0 4px 20px rgba(0, 240, 192, 0.3);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Oswald", "Rajdhani", sans-serif;
            --container-w: 1200px;
            --header-h: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        img {
            max-width: 100%;
            display: block;
            border: 0;
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            background: none;
            border: none;
            outline: none;
        }

        ::selection {
            background: rgba(0, 240, 192, 0.3);
            color: #fff;
        }

        a:focus-visible,
        button:focus-visible {
            box-shadow: 0 0 0 3px var(--primary-glow);
            border-radius: 6px;
        }

        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: linear-gradient(180deg, var(--bg) 0%, rgba(0, 240, 192, 0.03) 50%, var(--bg) 100%);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--primary);
            background: var(--primary-dim);
            padding: 4px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 26px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            cursor: pointer;
            white-space: nowrap;
            transition: all 0.3s ease;
            border: 1px solid transparent;
            line-height: 1;
        }

        .btn i {
            font-size: 14px;
        }

        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        .btn-lg {
            height: 54px;
            padding: 0 34px;
            font-size: 16px;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--text-dark);
            box-shadow: 0 0 12px rgba(0, 240, 192, 0.4);
        }

        .btn-primary:hover {
            background: var(--primary-bright);
            box-shadow: 0 0 24px rgba(0, 240, 192, 0.6);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 8px rgba(0, 240, 192, 0.4);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-dim);
            border-color: var(--primary-bright);
        }

        .btn-block {
            width: 100%;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 20, 40, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            height: var(--header-h);
            position: relative;
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #00A88A);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            box-shadow: 0 0 16px rgba(0, 240, 192, 0.35);
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .logo-text span {
            color: var(--primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            justify-content: center;
        }

        .main-nav>a {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-sub);
            padding: 6px 2px;
            position: relative;
            transition: color 0.3s ease;
        }

        .main-nav>a:hover {
            color: var(--text-main);
        }

        .main-nav>a.active {
            color: var(--primary);
        }

        .main-nav>a::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(0, 240, 192, 0.6);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.35s ease;
        }

        .main-nav>a:hover::after,
        .main-nav>a.active::after {
            transform: scaleX(1);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-cta-mobile {
            display: none;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            cursor: pointer;
            flex-shrink: 0;
            transition: background 0.3s;
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: transform 0.3s, opacity 0.3s;
        }

        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .category-hero {
            position: relative;
            overflow: hidden;
            padding: 84px 0 76px;
            background: var(--bg);
            border-bottom: 3px solid var(--primary);
        }

        .category-hero::before {
            content: "";
            position: absolute;
            bottom: -30px;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(135deg, transparent 40%, rgba(0, 240, 192, 0.08) 40%, transparent 60%);
            pointer-events: none;
            z-index: 2;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 22px 22px;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 12% 45%, rgba(0, 240, 192, 0.22) 0%, transparent 55%),
                linear-gradient(180deg, rgba(10, 20, 40, 0.5) 0%, rgba(10, 20, 40, 0.92) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: var(--text-sub);
            transition: color 0.3s;
        }

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

        .breadcrumb-sep {
            color: var(--text-weak);
            font-size: 12px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--text-sub);
            background: rgba(255, 255, 255, 0.05);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
            border: 1px solid var(--border);
            backdrop-filter: blur(8px);
        }

        .hero-kicker i {
            color: var(--primary);
        }

        .hero-content h1 {
            font-size: 50px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
        }

        .hero-content h1 span {
            color: var(--primary);
        }

        .hero-desc {
            font-size: 17px;
            color: var(--text-sub);
            line-height: 1.75;
            margin-bottom: 30px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

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

        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
            padding: 14px 22px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            border-radius: 14px;
            backdrop-filter: blur(12px);
            text-align: center;
            min-width: 110px;
        }

        .stat-num {
            font-family: var(--font-num);
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-sub);
        }

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

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 24px;
            backdrop-filter: blur(14px);
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 24px;
            right: 24px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0;
            transition: opacity 0.35s;
        }

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

        .feature-card:hover {
            border-color: rgba(0, 240, 192, 0.35);
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: var(--primary-dim);
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
        }

        .entry-list {
            display: grid;
            gap: 24px;
        }

        .entry-card {
            display: grid;
            grid-template-columns: 240px 1fr;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            backdrop-filter: blur(14px);
            transition: all 0.35s ease;
        }

        .entry-card:hover {
            border-color: rgba(0, 240, 192, 0.3);
            box-shadow: var(--shadow-md);
            transform: translateX(8px);
        }

        .entry-image {
            position: relative;
            min-height: 100%;
            overflow: hidden;
        }

        .entry-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .entry-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(10, 20, 40, 0.7);
            backdrop-filter: blur(8px);
            color: var(--secondary);
            border: 1px solid rgba(198, 241, 74, 0.4);
            font-size: 12px;
            font-weight: 600;
        }

        .entry-body {
            padding: 26px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .entry-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .entry-body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .entry-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-weak);
        }

        .entry-link {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.3s ease, color 0.3s ease;
        }

        .entry-link:hover {
            gap: 10px;
            color: var(--primary-bright);
        }

        .reco-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .reco-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all 0.3s ease;
            display: block;
        }

        .reco-card:hover {
            border-color: rgba(0, 240, 192, 0.35);
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }

        .reco-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

        .reco-card:hover .reco-image img {
            transform: scale(1.05);
        }

        .reco-body {
            padding: 16px;
        }

        .reco-body h4 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .reco-body span {
            font-size: 13px;
            color: var(--text-weak);
        }

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

        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 22px;
            text-align: center;
            transition: all 0.35s ease;
            backdrop-filter: blur(12px);
        }

        .scene-card:hover {
            border-color: rgba(0, 240, 192, 0.35);
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .scene-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: var(--secondary-dim);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .scene-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .scene-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
        }

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

        .step-item {
            text-align: center;
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 20px 26px;
            transition: all 0.35s ease;
            backdrop-filter: blur(12px);
        }

        .step-item:hover {
            border-color: rgba(0, 240, 192, 0.35);
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .step-number {
            position: absolute;
            top: -18px;
            left: 50%;
            transform: translateX(-50%);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 17px;
            box-shadow: 0 0 16px rgba(0, 240, 192, 0.5);
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 8px 0 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.35s ease, box-shadow 0.35s ease;
        }

        .faq-item.open {
            border-color: rgba(0, 240, 192, 0.35);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .faq-q {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            user-select: none;
            color: var(--text-main);
        }

        .faq-q i {
            color: var(--primary);
            transition: transform 0.35s ease;
            font-size: 14px;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.75;
        }

        .faq-item.open .faq-a {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .cta-section {
            padding: 24px 0 96px;
        }

        .cta-banner {
            position: relative;
            background: linear-gradient(135deg, #0D1F38, #0A1428);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 60px 40px;
            text-align: center;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            bottom: -50px;
            right: -50px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(0, 240, 192, 0.15), transparent 60%);
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 16px;
            color: var(--text-sub);
            margin: 0 auto 30px;
            max-width: 540px;
            position: relative;
            z-index: 1;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 64px 0 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 16px 0 20px;
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-sub);
            transition: all 0.3s ease;
        }

        .footer-social a:hover {
            background: var(--primary-dim);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-sub);
            transition: color 0.3s, padding-left 0.3s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 20px 0;
            text-align: center;
        }

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

        @media (max-width: 1199px) {
            .container {
                padding: 0 24px;
            }

            .section {
                padding: 64px 0;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(10, 20, 40, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                padding: 20px 24px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav>a {
                padding: 14px 10px;
                font-size: 16px;
                font-weight: 600;
                border-bottom: 1px solid rgba(255, 255, 255, 0.04);
                color: var(--text-sub);
            }

            .main-nav>a::after {
                display: none;
            }

            .main-nav>a.active {
                color: var(--primary);
                background: var(--primary-dim);
                border-radius: 8px;
                padding-left: 14px;
            }

            .nav-cta-mobile {
                display: flex;
                flex-direction: column;
                gap: 10px;
                margin-top: 18px;
                padding-top: 8px;
            }

            .header-actions {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .hero-content h1 {
                font-size: 42px;
            }

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

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

            .entry-card {
                grid-template-columns: 200px 1fr;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }

            .section {
                padding: 48px 0;
            }

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

            .section-head h2 {
                font-size: 24px;
            }

            .section-head p {
                font-size: 15px;
            }

            .category-hero {
                padding: 48px 0 56px;
            }

            .hero-content h1 {
                font-size: 30px;
            }

            .hero-desc {
                font-size: 15px;
            }

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

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

            .hero-stats {
                gap: 10px;
            }

            .stat-item {
                min-width: 0;
                flex: 1;
                padding: 12px 10px;
            }

            .stat-num {
                font-size: 24px;
            }

            .stat-label {
                font-size: 12px;
            }

            .feature-grid,
            .scene-grid,
            .steps-grid,
            .reco-grid {
                grid-template-columns: 1fr;
            }

            .entry-card {
                grid-template-columns: 1fr;
            }

            .entry-image {
                aspect-ratio: 16 / 9;
                min-height: 0;
            }

            .entry-image img {
                height: 100%;
            }

            .entry-body {
                padding: 20px;
            }

            .entry-body h3 {
                font-size: 18px;
            }

            .entry-body p {
                font-size: 14px;
            }

            .entry-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .faq-q {
                padding: 16px 18px;
                font-size: 15px;
            }

            .faq-item.open .faq-a {
                padding: 0 18px 16px;
            }

            .cta-section {
                padding: 24px 0 48px;
            }

            .cta-banner {
                padding: 40px 20px;
            }

            .cta-banner h2 {
                font-size: 22px;
            }

            .cta-banner p {
                font-size: 14px;
            }

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

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

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

            .footer-brand p {
                max-width: 100%;
            }

            .logo-text {
                font-size: 20px;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
        }

        @media (min-width: 768px) and (max-width: 991px) {
            .feature-grid,
            .scene-grid,
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .entry-card {
                grid-template-columns: 170px 1fr;
            }

            .entry-body {
                padding: 18px 20px;
            }
        }