/* roulang page: index */
:root {
  --primary: #0a1628;
  --primary-light: #152a4a;
  --primary-deep: #060e1c;
  --accent: #e8b84b;
  --accent-hover: #d4a337;
  --accent-weak: #f7e8c3;
  --bg: #f6f8fc;
  --bg-white: #ffffff;
  --bg-dark: #0d1f38;
  --text: #16233a;
  --text-weak: #5a6b89;
  --text-light: #8a9bbd;
  --border: #e3e9f2;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow: 0 6px 30px rgba(10,22,40,0.08);
  --shadow-lg: 0 16px 48px rgba(10,22,40,0.14);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-w: 1200px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
img {
  max-width: 100%;
  display: block;
}
button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}
/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, #f0ca6a 0%, var(--accent) 50%, #e2a93a 100%);
  color: var(--primary-deep);
  box-shadow: 0 4px 20px rgba(232,184,75,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232,184,75,0.45);
}
.btn-outline {
  border-color: rgba(255,255,255,0.5);
  color: #ffffff;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(6px);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.18);
  border-color: #ffffff;
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--primary);
  color: #ffffff;
}
.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}
/* 页头 */
.site-header {
  background: var(--primary);
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(6,14,28,0.3);
}
.header-top {
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 14px 0;
}
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent) 0%, #f0ca6a 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary-deep);
}
.brand small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: #7c8db0;
  letter-spacing: 2px;
  line-height: 1;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.search-box {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.1);
  border-radius: 50px;
  padding: 0 8px 0 18px;
  height: 40px;
  width: 260px;
  border: 1px solid rgba(255,255,255,0.12);
  transition: var(--transition);
}
.search-box:focus-within {
  background: rgba(255,255,255,0.15);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,184,75,0.2);
}
.search-box input {
  flex: 1;
  color: #ffffff;
  font-size: 14px;
  background: transparent;
}
.search-box input::placeholder {
  color: #7c8db0;
}
.search-box button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--primary-deep);
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.search-box button:hover {
  background: #f0ca6a;
  transform: scale(1.05);
}
.header-nav {
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.header-nav::-webkit-scrollbar {
  display: none;
}
.nav-inner {
  display: flex;
  gap: 8px;
  padding: 10px 0;
  min-width: max-content;
}
.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: #b6c2d9;
  transition: var(--transition);
  position: relative;
  border: 1px solid transparent;
}
.nav-item:hover {
  color: #ffffff;
  background: rgba(255,255,255,0.08);
}
.nav-item.active {
  color: var(--primary-deep);
  background: var(--accent);
  font-weight: 700;
  box-shadow: 0 2px 12px rgba(232,184,75,0.4);
}
.nav-item i {
  font-size: 13px;
  opacity: 0.8;
}
/* Hero */
.hero {
  position: relative;
  padding: 100px 0 120px;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(6,14,28,0.94) 0%, rgba(10,26,48,0.82) 45%, rgba(10,26,48,0.45) 100%);
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  right: -60px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(232,184,75,0.18) 0%, transparent 70%);
}
.hero .container {
  position: relative;
  z-index: 2;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.hero-content {
  color: #ffffff;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,184,75,0.15);
  border: 1px solid rgba(232,184,75,0.35);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-badge i {
  font-size: 12px;
}
.hero-title {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.hero-title span {
  color: var(--accent);
  position: relative;
}
.hero-desc {
  font-size: 17px;
  color: #aab8d4;
  max-width: 520px;
  line-height: 1.8;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero-trust {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #8a9bbd;
}
.trust-item i {
  color: var(--accent);
  font-size: 14px;
}
/* 权益卡 */
.hero-card-wrap {
  position: relative;
}
.hero-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-lg);
  padding: 36px;
  color: #ffffff;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.hero-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-card-title i {
  color: var(--accent);
}
.hero-benefit-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}
.hero-benefit-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: #d0d8ec;
}
.hero-benefit-list li i {
  width: 22px;
  height: 22px;
  background: rgba(232,184,75,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--accent);
  flex-shrink: 0;
}
.hero-card-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 22px;
}
.hero-stat {
  text-align: center;
}
.hero-stat-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
}
.hero-stat-label {
  font-size: 12px;
  color: #8a9bbd;
  margin-top: 4px;
}
/* 板块通用 */
.section {
  padding: 90px 0;
}
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}
.section-tag {
  display: inline-block;
  padding: 4px 16px;
  background: var(--accent-weak);
  color: #a17a1f;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
.section-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--text);
}
.section-desc {
  color: var(--text-weak);
  font-size: 16px;
  line-height: 1.7;
}
/* 核心优势 */
.features {
  background: var(--bg-white);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--accent), #f0ca6a);
  transform: scaleX(0);
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.feature-card:hover::before {
  transform: scaleX(1);
}
.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, #f0f5fe 0%, #e8edf7 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--primary);
  transition: var(--transition);
}
.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--accent) 0%, #f0ca6a 100%);
  color: var(--primary-deep);
  transform: scale(1.05);
}
.feature-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.feature-text {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.6;
}
/* 分类入口 */
.categories {
  background: var(--bg);
}
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.category-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: block;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.category-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.category-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.category-card:hover .category-image img {
  transform: scale(1.06);
}
.category-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,14,28,0.75) 0%, transparent 50%);
}
.category-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  background: rgba(10,22,40,0.8);
  backdrop-filter: blur(8px);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  z-index: 2;
}
.category-info {
  padding: 28px;
}
.category-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.category-title i {
  color: var(--accent);
  font-size: 16px;
}
.category-desc {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.6;
  margin-bottom: 18px;
}
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.category-link i {
  font-size: 12px;
  transition: var(--transition);
}
.category-card:hover .category-link {
  color: var(--accent-hover);
}
.category-card:hover .category-link i {
  transform: translateX(4px);
}
/* 最新资讯 */
.news-section {
  background: var(--bg-white);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.news-card {
  display: flex;
  gap: 20px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
  align-items: flex-start;
}
.news-card:hover {
  box-shadow: var(--shadow);
  border-color: #d3dcec;
  transform: translateY(-3px);
}
.news-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #f0f5fe 0%, #e8edf7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  flex-shrink: 0;
}
.news-card:nth-child(even) .news-card-icon {
  background: linear-gradient(135deg, #fdf6e3 0%, #f7ecd0 100%);
  color: #b8860b;
}
.news-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  background: var(--accent-weak);
  color: #a17a1f;
  border-radius: 4px;
  margin-bottom: 8px;
}
.news-card-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
}
.news-card:hover .news-card-title {
  color: var(--accent-hover);
}
.news-card-summary {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}
.news-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-light);
}
.news-card-meta i {
  font-size: 11px;
}
.empty-tips {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  color: var(--text-weak);
  font-size: 16px;
}
/* 数据统计 */
.stats-section {
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 90px 0;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6,14,28,0.92) 0%, rgba(10,26,48,0.88) 100%);
}
.stats-section .container {
  position: relative;
  z-index: 2;
}
.stats-wrapper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
  padding: 20px 0;
}
.stat-item {
  padding: 30px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(6px);
  transition: var(--transition);
}
.stat-item:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
}
.stat-number {
  font-size: 42px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 15px;
  color: #b6c2d9;
  font-weight: 500;
  letter-spacing: 2px;
}
/* 热门推荐 */
.hot-section {
  background: var(--bg);
}
.hot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.hot-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.hot-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.hot-image {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.hot-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.hot-card:hover .hot-image img {
  transform: scale(1.05);
}
.hot-image-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--primary-deep);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
}
.hot-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.hot-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hot-text {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}
.hot-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
}
.hot-more i {
  font-size: 12px;
  transition: var(--transition);
}
.hot-card:hover .hot-more {
  color: var(--accent-hover);
}
.hot-card:hover .hot-more i {
  transform: translateX(4px);
}
/* FAQ */
.faq-section {
  background: var(--bg-white);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  background: var(--bg-white);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: #d0d9e8;
  box-shadow: var(--shadow);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  position: relative;
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--text-light);
  margin-left: auto;
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item[open] summary {
  color: var(--accent-hover);
}
.faq-item[open] summary::after {
  transform: rotate(180deg);
  color: var(--accent);
}
.faq-item .faq-answer {
  padding: 0 28px 24px;
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  margin: 0 28px 0;
  padding-left: 0;
  padding-right: 0;
}
/* CTA */
.cta-section {
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 90px 0;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6,14,28,0.92) 0%, rgba(6,14,28,0.75) 100%);
}
.cta-section .container {
  position: relative;
  z-index: 2;
}
.cta-box {
  max-width: 760px;
  color: #ffffff;
  text-align: center;
  margin: 0 auto;
}
.cta-title {
  font-size: 40px;
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 20px;
}
.cta-title span {
  color: var(--accent);
}
.cta-text {
  font-size: 17px;
  color: #aab8d4;
  margin-bottom: 36px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.cta-note {
  font-size: 13px;
  color: #7c8db0;
}
/* 页脚 */
.site-footer {
  background: var(--primary-deep);
  color: #7c8db0;
  padding: 70px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 50px;
}
.footer-brand-info {
  font-size: 14px;
  line-height: 1.8;
  color: #7c8db0;
  margin-top: 20px;
  max-width: 320px;
}
.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--accent);
}
.footer-link-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-link-list a {
  font-size: 14px;
  color: #7c8db0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.footer-link-list a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: #5a6b89;
}
.footer-bottom a {
  color: #7c8db0;
}
.footer-bottom a:hover {
  color: var(--accent);
}
/* 响应式 */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero {
    padding: 70px 0 80px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .hot-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .stats-wrapper {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  .section-title {
    font-size: 30px;
  }
  .header-top-inner {
    flex-wrap: wrap;
    gap: 12px;
  }
  .search-box {
    width: 100%;
    order: 3;
  }
  .brand {
    font-size: 19px;
  }
  .hero-title {
    font-size: 34px;
  }
  .hero-actions {
    gap: 12px;
  }
  .categories-grid {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .hot-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-title {
    font-size: 32px;
  }
  .stats-wrapper {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .stat-number {
    font-size: 32px;
  }
  .hero-card {
    padding: 24px;
  }
  .hero-card-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .hero-title {
    font-size: 28px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .brand {
    font-size: 17px;
  }
  .brand small {
    display: none;
  }
  .nav-item {
    padding: 6px 14px;
    font-size: 13px;
  }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .stats-wrapper {
    grid-template-columns: 1fr;
  }
  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }
  .section-title {
    font-size: 26px;
  }
  .section-desc {
    font-size: 14px;
  }
  .hero {
    padding: 50px 0 60px;
  }
  .navbar .nav-inner {
    gap: 4px;
  }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #60a5fa;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --bg-dark: #0b1120;
  --bg-deep: #0f172a;
  --bg-body: #f1f5f9;
  --bg-card: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border-color: #e2e8f0;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 8px 30px rgba(0,0,0,.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,.12);
  --shadow-glow: 0 0 40px rgba(37,99,235,.25);
  --transition: .25s cubic-bezier(.4,0,.2,1);
  --container: 1240px;
  --header-h: 118px;
}

/* ========== 基础 reset ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-main);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(37,99,235,.08); color: var(--primary);
  font-size: 13px; font-weight: 600; letter-spacing: .5px;
  padding: 6px 18px; border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.section-head h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); font-weight: 800; line-height: 1.25; color: var(--text-main); letter-spacing: -.02em; }
.section-head p { margin-top: 14px; color: var(--text-muted); font-size: 1.06rem; }
.section-head.light h2 { color: #fff; }
.section-head.light p { color: rgba(255,255,255,.65); }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-pill);
  font-size: 15px; font-weight: 600; line-height: 1.2;
  transition: all var(--transition); border: 2px solid transparent;
  white-space: nowrap;
}
.btn i { font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(37,99,235,.35); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,235,.45); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(37,99,235,.3); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(245,158,11,.35); }
.btn-accent:hover { background: #d97706; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,.45); }
.btn-ghost-light { border-color: rgba(255,255,255,.35); color: #fff; background: rgba(255,255,255,.08); background: rgba(255,255,255,.04); backdrop-filter: blur(8px); }
.btn-ghost-light:hover { border-color: rgba(255,255,255,.7); background: rgba(255,255,255,.14); transform: translateY(-2px); }
.btn-block { width: 100%; }
.btn:focus-visible { outline: 3px solid rgba(37,99,235,.4); outline-offset: 2px; }

/* ========== 徽章 / 标签 ========== */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 14px; border-radius: var(--radius-pill);
  font-size: 12px; font-weight: 600; line-height: 1.4;
}
.badge-blue { background: rgba(37,99,235,.1); color: var(--primary); }
.badge-orange { background: rgba(245,158,11,.12); color: #b45309; }
.badge-green { background: rgba(16,185,129,.12); color: #059669; }
.badge-purple { background: rgba(139,92,246,.12); color: #7c3aed; }
.badge-light { background: rgba(255,255,255,.18); color: #fff; backdrop-filter: blur(4px); }
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; border-radius: var(--radius-pill);
  font-size: 12.5px; font-weight: 500;
  background: #f8fafc; color: var(--text-muted);
  border: 1px solid var(--border-color);
  transition: all var(--transition);
}
.tag:hover { border-color: var(--primary); color: var(--primary); background: rgba(37,99,235,.04); }

/* ========== 头部导航 ========== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg-dark);
  box-shadow: 0 4px 24px rgba(0,0,0,.3);
}
.header-top { background: var(--bg-dark); border-bottom: 1px solid rgba(255,255,255,.06); }
.header-top-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand-icon {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: #fff;
  box-shadow: 0 4px 16px rgba(37,99,235,.4);
  flex-shrink: 0;
}
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1.25; font-weight: 700; font-size: 1.05rem; letter-spacing: .3px; }
.brand small { font-size: .55rem; color: var(--text-light); font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; margin-top: 2px; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.search-box { display: flex; align-items: center; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-pill); padding: 4px 6px 4px 18px; transition: all var(--transition); }
.search-box:focus-within { border-color: var(--primary-light); background: rgba(255,255,255,.12); box-shadow: 0 0 0 3px rgba(37,99,235,.2); }
.search-box input { background: transparent; border: none; outline: none; color: #fff; width: 180px; font-size: 13px; }
.search-box input::placeholder { color: rgba(255,255,255,.45); }
.search-box button { width: 34px; height: 34px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; transition: all var(--transition); }
.search-box button:hover { background: var(--primary-dark); }
.header-nav { background: rgba(15,23,42,.92); backdrop-filter: blur(12px); border-top: 1px solid rgba(255,255,255,.04); }
.nav-inner { display: flex; align-items: center; gap: 4px; overflow-x: auto; scrollbar-width: none; min-height: 52px; }
.nav-inner::-webkit-scrollbar { display: none; }
.nav-item {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--radius-pill);
  color: rgba(255,255,255,.68); font-size: 14.5px; font-weight: 500;
  border: 1px solid transparent;
  transition: all var(--transition); white-space: nowrap;
  position: relative;
}
.nav-item i { font-size: 13px; }
.nav-item:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-item.active { color: #fff; background: rgba(37,99,235,.2); border-color: rgba(37,99,235,.35); }
.nav-item.active::after { content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%); width: 18px; height: 3px; border-radius: 99px; background: var(--primary-light); }
.header-actions .btn { padding: 9px 20px; font-size: 13.5px; }

/* ========== 移动端导航 ========== */
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.08); color: #fff; align-items: center; justify-content: center; font-size: 18px; }

/* ========== 页脚 ========== */
.site-footer { background: var(--bg-deep); color: rgba(255,255,255,.7); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand-info { margin-top: 20px; max-width: 360px; font-size: 14.5px; color: var(--text-light); line-height: 1.8; }
.footer-title { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 22px; letter-spacing: .5px; }
.footer-link-list li { margin-bottom: 12px; }
.footer-link-list a { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: rgba(255,255,255,.6); transition: all var(--transition); }
.footer-link-list a:hover { color: #fff; transform: translateX(4px); }
.footer-link-list i { font-size: 11px; color: var(--primary-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.07); padding: 20px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.4); }

/* ========== 页面横幅 ========== */
.category-hero {
  position: relative; overflow: hidden;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  background-attachment: fixed;
  padding: 120px 0 110px;
  color: #fff;
}
.category-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(2,6,23,.92), rgba(15,23,42,.75), rgba(37,99,235,.35)); }
.category-hero .container { position: relative; z-index: 1; }
.hero-crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 24px; }
.hero-crumb a { color: rgba(255,255,255,.75); }
.hero-crumb a:hover { color: #fff; }
.hero-crumb span { color: rgba(255,255,255,.4); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.category-hero h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 800; line-height: 1.2; letter-spacing: -.02em; margin-bottom: 20px; }
.category-hero h1 .gradient-text { background: linear-gradient(135deg, #60a5fa, #22d3ee, #a78bfa); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.category-hero .hero-sub { max-width: 680px; font-size: 1.08rem; color: rgba(255,255,255,.75); margin-bottom: 34px; line-height: 1.8; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats { display: flex; gap: 48px; margin-top: 52px; padding-top: 36px; border-top: 1px solid rgba(255,255,255,.12); flex-wrap: wrap; }
.hero-stat-item { text-align: center; }
.hero-stat-item .num { font-size: 2rem; font-weight: 800; color: #fff; line-height: 1.2; }
.hero-stat-item .num sup { font-size: 1.1rem; color: var(--primary-light); }
.hero-stat-item .label { font-size: 13px; color: rgba(255,255,255,.5); margin-top: 4px; letter-spacing: .5px; }

/* ========== 分类小卡片 ========== */
.category-strip { background: #fff; border-bottom: 1px solid var(--border-color); position: relative; z-index: 5; box-shadow: var(--shadow-sm); }
.category-strip .container { display: flex; gap: 14px; padding: 20px 24px; overflow-x: auto; scrollbar-width: none; }
.category-strip .container::-webkit-scrollbar { display: none; }
.strip-card {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 22px; border-radius: var(--radius-md);
  background: #f8fafc; border: 1px solid var(--border-color);
  white-space: nowrap; transition: all var(--transition); flex-shrink: 0;
}
.strip-card:hover { border-color: var(--primary); background: rgba(37,99,235,.04); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.strip-card.active { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(37,99,235,.3); }
.strip-card .icon { width: 38px; height: 38px; border-radius: 10px; background: #fff; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 16px; box-shadow: var(--shadow-sm); }
.strip-card.active .icon { background: rgba(255,255,255,.2); color: #fff; }
.strip-card .t1 { font-weight: 600; font-size: 14.5px; }
.strip-card .t2 { font-size: 12px; color: var(--text-muted); }
.strip-card.active .t2 { color: rgba(255,255,255,.7); }

/* ========== 赛事卡片 ========== */
.tour-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.tour-card {
  background: var(--bg-card); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--border-color);
  transition: all var(--transition); position: relative;
  box-shadow: var(--shadow-sm);
}
.tour-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.tour-card-media { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.tour-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.tour-card:hover .tour-card-media img { transform: scale(1.06); }
.tour-card-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(2,6,23,.55), transparent 60%); }
.tour-card-top { position: absolute; top: 14px; left: 14px; right: 14px; display: flex; justify-content: space-between; align-items: center; z-index: 2; }
.tour-card-live { position: absolute; bottom: 14px; right: 14px; z-index: 2; }
.tour-card-live .live-dot { position: relative; display: inline-flex; align-items: center; gap: 6px; padding: 5px 14px; border-radius: var(--radius-pill); background: rgba(239,68,68,.9); color: #fff; font-size: 12px; font-weight: 600; }
.live-dot::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #fff; animation: livePulse 1.2s infinite; }
@keyframes livePulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .4; transform: scale(.7); } }
.tour-card-body { padding: 24px; }
.tour-card-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.tour-card-body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.tour-meta { display: flex; align-items: center; gap: 16px; font-size: 12.5px; color: var(--text-muted); border-top: 1px dashed var(--border-color); padding-top: 16px; }
.tour-meta i { color: var(--primary-light); }

/* ========== 图文区块 ========== */
.feature-block { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; background: var(--bg-deep); }
.feature-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.feature-media img { width: 100%; }
.feature-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, transparent 60%, rgba(37,99,235,.2)); }
.feature-media .play-btn {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 68px; height: 68px; border-radius: 50%;
  background: rgba(255,255,255,.2); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.4);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 22px; z-index: 2; transition: all var(--transition);
}
.feature-media .play-btn:hover { transform: translate(-50%, -50%) scale(1.1); background: var(--primary); border-color: var(--primary); }
.feature-content { color: rgba(255,255,255,.75); }
.feature-content h2 { color: #fff; font-size: 2.2rem; font-weight: 800; line-height: 1.3; margin-bottom: 20px; letter-spacing: -.01em; }
.feature-content > p { font-size: 1.02rem; margin-bottom: 28px; line-height: 1.85; }
.feature-points { display: flex; flex-direction: column; gap: 18px; margin-bottom: 36px; }
.feature-point { display: flex; gap: 14px; }
.feature-point .num {
  width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0;
  background: rgba(37,99,235,.2); border: 1px solid rgba(37,99,235,.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-light); font-weight: 700; font-size: 14px;
}
.feature-point h4 { color: #fff; font-size: 1.02rem; font-weight: 600; margin-bottom: 4px; }
.feature-point p { font-size: 14px; color: rgba(255,255,255,.55); line-height: 1.6; }

/* ========== 资讯列表 ========== */
.news-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }
.news-feature { background: var(--bg-card); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-color); box-shadow: var(--shadow-sm); }
.news-feature .media { aspect-ratio: 16/9; overflow: hidden; position: relative; }
.news-feature .media img { width: 100%; height: 100%; object-fit: cover; }
.news-feature .media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(2,6,23,.6), transparent 50%); }
.news-feature .content { padding: 28px; }
.news-feature .content .badge { margin-bottom: 14px; }
.news-feature .content h3 { font-size: 1.35rem; font-weight: 700; margin-bottom: 12px; line-height: 1.4; }
.news-feature .content p { font-size: 14.5px; color: var(--text-muted); margin-bottom: 18px; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item {
  display: flex; gap: 16px; align-items: center;
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); padding: 18px 20px;
  transition: all var(--transition);
}
.news-item:hover { box-shadow: var(--shadow-md); transform: translateX(4px); border-color: var(--primary-light); }
.news-item .date { text-align: center; min-width: 52px; padding-right: 16px; border-right: 1px dashed var(--border-color); }
.news-item .date .d { font-size: 1.3rem; font-weight: 800; color: var(--primary); line-height: 1.1; }
.news-item .date .m { font-size: 12px; color: var(--text-muted); }
.news-item h4 { font-size: 14.5px; font-weight: 600; line-height: 1.5; margin-bottom: 4px; }
.news-item p { font-size: 12.5px; color: var(--text-light); }

/* ========== 数据统计 ========== */
.stats-section { background: var(--bg-dark); position: relative; overflow: hidden; }
.stats-section::before { content: ''; position: absolute; top: -120px; right: -120px; width: 300px; height: 300px; border-radius: 50%; background: rgba(37,99,235,.1); filter: blur(60px); }
.stats-section::after { content: ''; position: absolute; bottom: -80px; left: -80px; width: 220px; height: 220px; border-radius: 50%; background: rgba(124,58,237,.12); filter: blur(50px); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; z-index: 1; }
.stat-block { text-align: center; padding: 40px 20px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius-lg); transition: all var(--transition); backdrop-filter: blur(8px); }
.stat-block:hover { background: rgba(255,255,255,.08); transform: translateY(-4px); }
.stat-block .icon { font-size: 28px; color: var(--primary-light); margin-bottom: 16px; }
.stat-block .num { font-size: 2.6rem; font-weight: 800; color: #fff; line-height: 1.1; }
.stat-block .num span { color: var(--accent); }
.stat-block .label { font-size: 14px; color: rgba(255,255,255,.5); margin-top: 8px; }

/* ========== 流程 / 时间线 ========== */
.process-section { background: #fff; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; counter-reset: process; }
.process-step { position: relative; padding: 32px 24px; background: var(--bg-body); border-radius: var(--radius-lg); border: 1px solid var(--border-color); transition: all var(--transition); }
.process-step:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.process-step .step-num { font-size: 2.2rem; font-weight: 800; color: var(--primary); opacity: .15; position: absolute; top: 14px; right: 20px; line-height: 1; }
.process-step .icon { width: 52px; height: 52px; border-radius: 14px; background: rgba(37,99,235,.1); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 20px; margin-bottom: 18px; }
.process-step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ========== FAQ ========== */
.faq-section { background: var(--bg-body); }
.faq-wrap { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; transition: all var(--transition); }
.faq-item:hover { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 24px; cursor: pointer; font-weight: 600; font-size: 15.5px; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.4rem; color: var(--primary); font-weight: 400; transition: transform var(--transition); flex-shrink: 0; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 24px 22px; color: var(--text-muted); font-size: 14.5px; line-height: 1.8; }

/* ========== CTA ========== */
.cta-section { position: relative; background: url('/assets/images/backpic/back-2.png') center center / cover fixed; color: #fff; padding: 100px 0; text-align: center; background-attachment: fixed; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(2,6,23,.85); }
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 800; margin-bottom: 18px; letter-spacing: -.02em; }
.cta-section p { max-width: 620px; margin: 0 auto 32px; color: rgba(255,255,255,.65); font-size: 1.05rem; line-height: 1.8; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; }
.cta-note { font-size: 13px; color: rgba(255,255,255,.4); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .tour-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .feature-block { grid-template-columns: 1fr; gap: 40px; }
  .news-layout { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 76px 0; }
  .category-hero { padding: 90px 0; background-attachment: scroll; }
  .cta-section { background-attachment: scroll; }
}
@media (max-width: 768px) {
  .header-actions .search-box { display: none; }
  .header-top-inner { min-height: 60px; }
  .nav-toggle { display: flex; }
  .header-actions { margin-left: auto; }
  .header-actions .btn { display: none; }
  .nav-inner { flex-wrap: nowrap; }
  .nav-inner .nav-item { font-size: 13.5px; padding: 8px 14px; }
  .nav-inner .nav-item i { display: none; }
  .hero-stats { gap: 28px; }
  .hero-stat-item .num { font-size: 1.6rem; }
  .site-footer { padding-top: 56px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .section-head { margin-bottom: 40px; }
  .section { padding: 60px 0; }
}
@media (max-width: 520px) {
  .tour-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-block { padding: 28px 14px; }
  .stat-block .num { font-size: 1.9rem; }
  .process-grid { grid-template-columns: 1fr; }
  .category-hero h1 { font-size: 1.9rem; }
  .hero-ctas .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .brand > span:last-child { font-size: .95rem; }
  .nav-item { padding: 8px 12px; font-size: 13px; }
  .search-box input { width: 130px; }
}

/* ========== 焦点可见性 ========== */
a:focus-visible, summary:focus-visible { outline: 3px solid rgba(37,99,235,.5); outline-offset: 2px; }

/* roulang page: article */
:root {
  --primary-900: #0e1b4d;
  --primary-800: #14235f;
  --primary-700: #1b2f77;
  --primary-600: #243e90;
  --primary-500: #2f4eab;
  --accent-500: #f0b90b;
  --accent-400: #ffce3a;
  --accent-600: #d19e08;
  --neutral-50: #f7f9fc;
  --neutral-100: #eef1f6;
  --neutral-200: #e1e7f0;
  --neutral-300: #cdd6e4;
  --neutral-500: #7a869c;
  --neutral-600: #5c6779;
  --neutral-700: #3f4857;
  --neutral-800: #222b3a;
  --neutral-900: #111827;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-xs: 0 1px 3px rgba(16,24,40,.05);
  --shadow-sm: 0 4px 14px rgba(16,24,40,.07);
  --shadow: 0 12px 34px rgba(16,24,40,.10);
  --shadow-lg: 0 20px 50px rgba(16,24,40,.16);
  --container: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background: var(--neutral-50);
  color: var(--neutral-800);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; border: none; outline: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 36px; }
.section-tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 16px; background: rgba(240,185,11,.14); color: var(--primary-700); border-radius: 100px; font-size: 13px; font-weight: 600; letter-spacing: .5px; }
.section-title { font-size: 29px; font-weight: 800; color: var(--neutral-900); margin-top: 10px; letter-spacing: -.5px; }
.section-desc { color: var(--neutral-500); font-size: 15px; margin-top: 6px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 12px; font-size: 15px; font-weight: 600;
  transition: all .28s cubic-bezier(.4,0,.2,1); cursor: pointer; white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-400), var(--accent-500));
  color: #1a1a1a; box-shadow: 0 6px 20px rgba(240,185,11,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(240,185,11,.45); }
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.3);
  backdrop-filter: blur(8px);
}
.btn-outline:hover { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.5); transform: translateY(-2px); }
.btn-dark {
  background: var(--primary-800); color: #fff; border: 1px solid transparent; box-shadow: 0 6px 18px rgba(30,42,95,.22);
}
.btn-dark:hover { background: var(--primary-700); transform: translateY(-2px); }
a.btn:focus-visible, button.btn:focus-visible { outline: 3px solid rgba(36,62,144,.4); outline-offset: 2px; }
.tag {
  display: inline-flex; align-items: center; gap: 5px; padding: 5px 13px;
  background: var(--neutral-100); color: var(--primary-700); border-radius: 100px;
  font-size: 13px; font-weight: 600; transition: background .2s;
}
.tag-accent { background: rgba(240,185,11,.16); color: var(--primary-800); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* ===== Header ===== */
.site-header {
  position: relative; z-index: 100; background: #fff;
  box-shadow: 0 4px 24px rgba(16,24,40,.08);
}
.header-top-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-700), var(--primary-500));
  color: var(--accent-400); font-size: 20px;
  box-shadow: 0 8px 22px rgba(30,42,95,.28);
  transition: transform .3s ease;
}
.brand:hover .brand-icon { transform: rotate(-8deg) scale(1.05); }
.brand span { font-size: 18px; font-weight: 800; color: var(--neutral-900); line-height: 1.2; display: flex; flex-direction: column; }
.brand small { font-size: 10px; font-weight: 600; letter-spacing: 2px; color: var(--neutral-500); margin-top: 2px; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.search-box { display: flex; align-items: center; background: var(--neutral-100); border-radius: 12px; overflow: hidden; transition: box-shadow .25s; }
.search-box input { background: transparent; border: none; padding: 10px 14px; width: 210px; font-size: 14px; color: var(--neutral-800); }
.search-box input::placeholder { color: var(--neutral-500); }
.search-box button { background: var(--primary-700); color: #fff; padding: 10px 16px; cursor: pointer; transition: background .2s; }
.search-box button:hover { background: var(--primary-500); }
.header-nav { background: linear-gradient(100deg, var(--primary-900), var(--primary-700)); }
.nav-inner { display: flex; align-items: center; gap: 4px; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; padding: 0 24px; }
.nav-inner::-webkit-scrollbar { display: none; }
.nav-item {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 22px;
  color: rgba(255,255,255,.82); font-size: 15px; font-weight: 600;
  border-left: 1px solid transparent; border-right: 1px solid transparent;
  border-bottom: 3px solid transparent; transition: all .25s ease; white-space: nowrap;
}
.nav-item i { color: var(--accent-400); font-size: 14px; opacity: .9; }
.nav-item:hover { background: rgba(255,255,255,.1); color: #fff; }
.nav-item.active { background: rgba(255,255,255,.12); color: #fff; border-bottom-color: var(--accent-400); border-left-color: rgba(255,255,255,.06); border-right-color: rgba(255,255,255,.06); }

/* ===== Article Banner ===== */
.article-banner {
  position: relative; padding: 72px 0;
  background-image: linear-gradient(135deg, rgba(14,27,77,.94), rgba(30,58,138,.88)), url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center; color: #fff;
}
.article-banner-inner { position: relative; z-index: 2; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,.7); margin-bottom: 20px; }
.breadcrumb a { color: var(--accent-400); transition: color .2s; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 11px; color: rgba(255,255,255,.45); }
.article-banner-title { font-size: 38px; font-weight: 800; line-height: 1.3; letter-spacing: -.5px; max-width: 860px; text-shadow: 0 4px 20px rgba(0,0,0,.3); }
.article-banner-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 22px; }
.article-banner-meta span { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: rgba(255,255,255,.85); }
.article-banner-meta i { color: var(--accent-400); }

/* ===== Article Layout ===== */
.article-section { padding: 52px 0 72px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 32px; align-items: start; }
.article-main-col { min-width: 0; }
.article-content-card { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 40px 44px; overflow: hidden; }
.article-body { font-size: 16px; line-height: 1.9; color: var(--neutral-800); }
.article-body > * + * { margin-top: 18px; }
.article-body h2 { font-size: 24px; font-weight: 800; color: var(--neutral-900); margin-top: 34px; padding-left: 16px; border-left: 4px solid var(--accent-500); }
.article-body h3 { font-size: 20px; font-weight: 700; color: var(--primary-700); margin-top: 28px; }
.article-body h4 { font-size: 17px; font-weight: 700; color: var(--neutral-800); margin-top: 22px; }
.article-body p { color: var(--neutral-700); }
.article-body ul, .article-body ol { padding-left: 22px; }
.article-body li { margin: 8px 0; position: relative; }
.article-body ul li::marker { color: var(--accent-500); }
.article-body blockquote { padding: 18px 22px; background: var(--neutral-50); border-left: 4px solid var(--primary-500); border-radius: 0 12px 12px 0; color: var(--neutral-600); font-style: italic; }
.article-body img { border-radius: 12px; box-shadow: var(--shadow-sm); margin: 24px 0; }
.article-body a { color: var(--primary-600); border-bottom: 1px dashed rgba(36,62,144,.4); transition: border-color .2s; }
.article-body a:hover { border-bottom-style: solid; border-color: var(--primary-500); }
.article-body strong { color: var(--neutral-900); }
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.article-body th, .article-body td { padding: 12px 16px; border: 1px solid var(--neutral-200); text-align: left; }
.article-body th { background: var(--neutral-100); font-weight: 700; }
.article-tags { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--neutral-100); }

/* ===== FAQ Card ===== */
.faq-card { margin-top: 24px; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 32px 40px; }
.faq-card-title { font-size: 22px; font-weight: 800; color: var(--neutral-900); margin-bottom: 20px; }
.faq-item { border-bottom: 1px solid var(--neutral-100); }
.faq-item:last-child { border-bottom: none; }
.faq-item summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 0; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--neutral-800); transition: color .2s; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { color: var(--accent-500); font-size: 13px; transition: transform .3s ease; }
.faq-item[open] summary i { transform: rotate(180deg); }
.faq-item[open] summary { color: var(--primary-700); }
.faq-item p { padding: 0 0 18px; color: var(--neutral-500); font-size: 15px; line-height: 1.8; }

/* ===== Sidebar ===== */
.article-aside { position: sticky; top: 24px; display: flex; flex-direction: column; gap: 24px; }
.aside-card { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 28px; }
.aside-card-dark { background: linear-gradient(145deg, var(--primary-800), var(--primary-600)); color: #fff; position: relative; overflow: hidden; }
.aside-card-dark::before { content: ""; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-3.png'); background-size: cover; opacity: .16; }
.aside-card-dark > * { position: relative; z-index: 1; }
.aside-title { font-size: 17px; font-weight: 800; color: var(--neutral-900); margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.aside-title i { color: var(--accent-500); }
.aside-card-dark .aside-title { color: #fff; }
.aside-list { list-style: none; }
.aside-list li { padding: 9px 0; border-bottom: 1px solid var(--neutral-100); }
.aside-list li:last-child { border-bottom: none; }
.aside-list a { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 500; color: var(--neutral-700); transition: all .22s; }
.aside-list a:hover { color: var(--primary-600); transform: translateX(4px); }
.aside-list a i { font-size: 12px; color: var(--accent-500); }
.aside-cat-link { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 10px; background: var(--neutral-50); margin-bottom: 10px; transition: all .25s; border: 1px solid var(--neutral-100); }
.aside-cat-link:last-child { margin-bottom: 0; }
.aside-cat-link i { width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; background: var(--primary-700); color: var(--accent-400); font-size: 14px; flex-shrink: 0; }
.aside-cat-link span { font-weight: 700; color: var(--neutral-800); }
.aside-cat-link small { display: block; font-size: 12px; color: var(--neutral-500); font-weight: 400; }
.aside-cat-link:hover { border-color: var(--primary-300); box-shadow: var(--shadow-xs); transform: translateY(-2px); }
.aside-hot-item { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--neutral-100); }
.aside-hot-item:last-child { border-bottom: none; }
.aside-hot-item img { width: 68px; height: 52px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
.aside-hot-item h4 { font-size: 14px; font-weight: 600; color: var(--neutral-800); line-height: 1.5; transition: color .2s; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.aside-hot-item:hover h4 { color: var(--primary-600); }
.aside-cta-text { font-size: 15px; color: rgba(255,255,255,.85); margin: 10px 0 16px; line-height: 1.7; }
.aside-cta-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 0; border-radius: 12px; background: var(--accent-500); color: #1a1a1a; font-weight: 700; font-size: 15px; transition: all .25s; box-shadow: 0 8px 24px rgba(240,185,11,.4); }
.aside-cta-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(240,185,11,.5); }

/* ===== Related ===== */
.related-section { background: #fff; padding: 64px 0 72px; border-top: 1px solid var(--neutral-100); }
.related-card { background: var(--neutral-50); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--neutral-100); transition: all .32s ease; display: flex; flex-direction: column; }
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(36,62,144,.15); }
.related-card-img { height: 190px; overflow: hidden; position: relative; }
.related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .related-card-img img { transform: scale(1.06); }
.related-card-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(14,27,77,.35)); }
.related-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.related-card-body h3 { font-size: 20px; font-weight: 800; color: var(--neutral-900); }
.related-card-body p { font-size: 14px; color: var(--neutral-500); line-height: 1.7; flex: 1; }
.link-more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 700; color: var(--primary-600); }
.link-more i { transition: transform .22s; }
.related-card:hover .link-more i { transform: translateX(4px); }

/* ===== CTA ===== */
.cta-section { position: relative; padding: 80px 0; background-image: linear-gradient(120deg, rgba(14,27,77,.95), rgba(30,58,138,.88)), url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; color: #fff; text-align: center; }
.cta-inner { max-width: 720px; margin: 0 auto; }
.cta-inner h2 { font-size: 34px; font-weight: 800; letter-spacing: -.5px; }
.cta-inner p { font-size: 16px; color: rgba(255,255,255,.8); margin-top: 14px; line-height: 1.8; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; margin-top: 30px; }

/* ===== Not Found ===== */
.notfound-section { padding: 100px 0; }
.notfound-card { max-width: 520px; margin: 0 auto; text-align: center; background: #fff; border-radius: var(--radius-xl); box-shadow: var(--shadow); padding: 60px 40px; }
.notfound-icon { display: inline-flex; align-items: center; justify-content: center; width: 80px; height: 80px; border-radius: 50%; background: rgba(240,185,11,.15); color: var(--accent-600); font-size: 32px; margin-bottom: 24px; }
.notfound-card h1 { font-size: 30px; font-weight: 800; color: var(--neutral-900); margin-bottom: 12px; }
.notfound-card p { color: var(--neutral-500); font-size: 15px; margin-bottom: 28px; }

/* ===== Footer ===== */
.site-footer { background: var(--primary-900); color: rgba(255,255,255,.72); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 44px; padding-bottom: 44px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-grid .brand span { color: #fff; }
.footer-grid .brand small { color: rgba(255,255,255,.5); }
.footer-grid .brand-icon { background: rgba(255,255,255,.1); }
.footer-brand-info { font-size: 14px; line-height: 1.8; margin-top: 16px; max-width: 360px; }
.footer-title { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer-link-list { list-style: none; }
.footer-link-list li { margin-bottom: 10px; }
.footer-link-list a { font-size: 14px; color: rgba(255,255,255,.68); transition: all .2s; display: inline-flex; align-items: center; gap: 6px; }
.footer-link-list a:hover { color: var(--accent-400); transform: translateX(4px); }
.footer-link-list a i { font-size: 12px; }
.footer-bottom { padding: 20px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.45); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; }
  .article-content-card { padding: 32px 28px; }
  .related-card-img { height: 160px; }
}
@media (max-width: 768px) {
  .section { padding: 52px 0; }
  .header-top-inner { padding: 14px 16px; flex-wrap: wrap; }
  .search-box { order: 3; width: 100%; }
  .search-box input { flex: 1; width: auto; }
  .search-box button { padding: 10px 20px; }
  .header-actions .btn { display: none; }
  .header-top-inner { gap: 12px; }
  .article-banner { padding: 48px 0; }
  .article-banner-title { font-size: 26px; }
  .article-banner-meta { gap: 12px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-aside { position: static; flex-direction: row; flex-wrap: wrap; }
  .aside-card { flex: 1 1 100%; }
  .aside-card-dark { flex: 1 1 100%; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-inner h2 { font-size: 26px; }
  .nav-item { padding: 12px 16px; font-size: 14px; }
  .faq-card { padding: 24px 20px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .brand span { font-size: 16px; }
  .brand-icon { width: 40px; height: 40px; font-size: 17px; }
  .article-content-card { padding: 24px 18px; }
  .article-body { font-size: 15px; }
  .article-body h2 { font-size: 20px; }
  .article-tags { gap: 8px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .section-title { font-size: 24px; }
  .related-card-img { height: 140px; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions .btn { justify-content: center; }
  .notfound-card { padding: 40px 20px; }
  .notfound-card h1 { font-size: 24px; }
}

/* roulang page: category3 */
:root{
    --primary:#4f46e5;
    --primary-dark:#3730a3;
    --primary-light:#eef2ff;
    --accent:#f59e0b;
    --accent-soft:#fef3c7;
    --deep:#0b1023;
    --deep-2:#111a38;
    --bg:#f6f7fb;
    --surface:#ffffff;
    --text:#161b33;
    --muted:#6b7280;
    --border:#e6e8f0;
    --radius:16px;
    --radius-sm:10px;
    --shadow-sm:0 2px 10px rgba(15,23,42,.06);
    --shadow-md:0 12px 32px rgba(15,23,42,.10);
    --shadow-lg:0 24px 60px rgba(15,23,42,.14);
    --sp-x:clamp(20px,4vw,64px);
    --header-h:118px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.7;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none;transition:color .25s ease}
  img{max-width:100%;display:block}
  button{font-family:inherit;cursor:pointer}
  input,select,textarea{font-family:inherit;font-size:1rem}
  ul,ol{list-style:none}
  .container{width:min(1240px,92%);margin:0 auto}
  section{scroll-margin-top:140px}

  /* ===== 按钮 ===== */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;
    border:2px solid transparent;transition:all .28s ease;white-space:nowrap;
  }
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(79,70,229,.30)}
  .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 14px 28px rgba(79,70,229,.40)}
  .btn-accent{background:var(--accent);color:#1a1a2e;box-shadow:0 8px 20px rgba(245,158,11,.30)}
  .btn-accent:hover{background:#fbbf24;transform:translateY(-2px)}
  .btn-outline{background:transparent;border-color:#d1d5db;color:var(--text)}
  .btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
  .btn-light{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.5);backdrop-filter:blur(6px)}
  .btn-light:hover{background:#fff;color:var(--deep)}
  .btn:focus-visible{outline:3px solid rgba(79,70,229,.45);outline-offset:2px}

  /* ===== 标签 / 徽章 ===== */
  .badge{
    display:inline-flex;align-items:center;gap:5px;
    background:var(--primary-light);color:var(--primary);
    font-size:13px;font-weight:600;padding:4px 14px;border-radius:999px;
  }
  .badge-warm{background:var(--accent-soft);color:#b45309}
  .badge-hot{background:#fee2e2;color:#dc2626}
  .badge-dark{background:rgba(255,255,255,.14);color:#fff}
  .tag{
    display:inline-block;background:var(--bg);color:var(--muted);
    font-size:13px;padding:3px 12px;border-radius:999px;border:1px solid var(--border);
    transition:all .25s ease;
  }
  .tag:hover{background:var(--primary-light);color:var(--primary);border-color:transparent}

  /* ===== Header 双层导航 ===== */
  .site-header{
    position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);
    backdrop-filter:blur(14px);border-bottom:1px solid var(--border);
    box-shadow:0 4px 20px rgba(15,23,42,.04);
  }
  .header-top{padding:16px 0 12px}
  .header-top-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
  .brand{display:flex;align-items:center;gap:12px}
  .brand-icon{
    width:44px;height:44px;border-radius:14px;flex:none;
    background:linear-gradient(135deg,var(--primary) 0%,#7c3aed 60%,var(--accent) 100%);
    display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;
    box-shadow:0 8px 20px rgba(79,70,229,.35);
  }
  .brand > span:last-child{display:flex;flex-direction:column;line-height:1.2;font-weight:800;font-size:20px;color:var(--deep)}
  .brand small{font-size:10px;letter-spacing:3px;color:var(--muted);font-weight:500}
  .header-actions{display:flex;align-items:center;gap:14px}
  .search-box{display:flex;align-items:center;background:var(--bg);border:1px solid var(--border);border-radius:999px;overflow:hidden;transition:border-color .25s}
  .search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.12)}
  .search-box input{border:none;background:transparent;padding:9px 4px 9px 16px;width:180px;outline:none;font-size:14px}
  .search-box button{border:none;background:transparent;padding:8px 16px;color:var(--muted);font-size:14px}
  .search-box button:hover{color:var(--primary)}
  .header-nav{border-top:1px solid var(--border);background:#fff}
  .nav-inner{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:8px 0}
  .nav-inner::-webkit-scrollbar{display:none}
  .nav-item{
    display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
    padding:9px 20px;border-radius:999px;font-weight:600;font-size:15px;color:var(--muted);
    transition:all .25s ease;flex:none;
  }
  .nav-item i{font-size:14px}
  .nav-item:hover{color:var(--primary);background:var(--primary-light)}
  .nav-item.active{background:linear-gradient(135deg,var(--primary),#7c3aed);color:#fff;box-shadow:0 6px 16px rgba(79,70,229,.30)}

  /* ===== 页内横幅 ===== */
  .page-banner{
    position:relative;padding:96px 0 90px;color:#fff;overflow:hidden;
    background:linear-gradient(135deg,rgba(11,16,35,.88) 0%,rgba(55,48,163,.72) 55%,rgba(124,58,237,.55) 100%),
      url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  }
  .page-banner .banner-inner{position:relative;z-index:2;max-width:820px}
  .page-banner .badge-dark{margin-bottom:18px}
  .page-banner h1{font-size:clamp(30px,5vw,50px);line-height:1.18;font-weight:800;margin-bottom:18px;letter-spacing:1px}
  .page-banner p{font-size:16px;line-height:1.9;color:rgba(255,255,255,.82);margin-bottom:28px}
  .banner-actions{display:flex;gap:14px;flex-wrap:wrap}
  .banner-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:30px;font-size:13.5px;color:rgba(255,255,255,.72)}
  .banner-meta span{display:inline-flex;align-items:center;gap:6px}
  .banner-meta i{color:var(--accent)}

  /* ===== 板块标题 ===== */
  .section{padding:88px 0}
  .section-alt{background:var(--surface)}
  .section-head{max-width:640px;margin-bottom:48px}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
  .section-head .badge{margin-bottom:12px}
  .section-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;color:var(--deep);line-height:1.3;margin-bottom:12px}
  .section-head p{color:var(--muted);font-size:15.5px;line-height:1.8}

  /* ===== 热门精选卡片 ===== */
  .featured-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
  }
  .hot-card{
    background:var(--surface);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
    box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease;
    display:flex;flex-direction:column;
  }
  .hot-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
  .hot-card .cover{position:relative;aspect-ratio:16/10;overflow:hidden}
  .hot-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
  .hot-card:hover .cover img{transform:scale(1.06)}
  .hot-card .cover .hot-tag{
    position:absolute;top:14px;left:14px;background:rgba(220,38,38,.92);color:#fff;
    font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;letter-spacing:.5px;
  }
  .hot-card .cover .play-btn{
    position:absolute;inset:0;margin:auto;width:52px;height:52px;border-radius:50%;
    background:rgba(255,255,255,.92);color:var(--primary);font-size:18px;
    display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.25);
    opacity:0;transform:scale(.8);transition:all .3s ease;
  }
  .hot-card:hover .cover .play-btn{opacity:1;transform:scale(1)}
  .hot-card .card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
  .hot-card .card-body .badge{align-self:flex-start}
  .hot-card h3{font-size:18.5px;font-weight:700;color:var(--deep);line-height:1.45}
  .hot-card p{font-size:14px;color:var(--muted);line-height:1.75;flex:1}
  .hot-card .card-foot{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--border)}
  .hot-card .card-foot span{font-size:13px;color:var(--muted)}
  .hot-card .card-foot a{color:var(--primary);font-weight:600;font-size:13.5px;display:inline-flex;align-items:center;gap:5px}
  .hot-card .card-foot a:hover{gap:9px}

  /* ===== 热度排行榜 ===== */
  .ranking-section{background:linear-gradient(135deg,var(--deep) 0%,var(--deep-2) 60%,#1e1b4b 100%);color:#fff}
  .ranking-section .section-head h2{color:#fff}
  .ranking-section .section-head p{color:rgba(255,255,255,.65)}
  .ranking-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
  .ranking-list{display:flex;flex-direction:column;gap:12px}
  .ranking-item{
    display:flex;align-items:center;gap:18px;background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.10);border-radius:14px;padding:16px 20px;
    backdrop-filter:blur(6px);transition:all .28s ease;
  }
  .ranking-item:hover{background:rgba(255,255,255,.12);transform:translateX(6px);border-color:rgba(255,255,255,.24)}
  .rank-num{
    width:38px;height:38px;border-radius:10px;flex:none;font-weight:800;font-size:16px;
    display:flex;align-items:center;justify-content:center;
    background:rgba(255,255,255,.12);color:#c7d2fe;
  }
  .ranking-item:nth-child(1) .rank-num{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#1a1a2e}
  .ranking-item:nth-child(2) .rank-num{background:linear-gradient(135deg,#94a3b8,#cbd5e1);color:#1a1a2e}
  .ranking-item:nth-child(3) .rank-num{background:linear-gradient(135deg,#b45309,#d97706);color:#fff}
  .rank-info{flex:1;min-width:0}
  .rank-info h4{font-size:16px;font-weight:600;color:#fff;margin-bottom:3px}
  .rank-info p{font-size:13px;color:rgba(255,255,255,.55);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .rank-heat{font-size:13px;color:var(--accent);white-space:nowrap}
  .rank-heat i{margin-right:4px}
  .ranking-aside{
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
    border-radius:22px;padding:34px;backdrop-filter:blur(8px);
  }
  .ranking-aside h3{font-size:20px;font-weight:700;color:#fff;margin-bottom:8px}
  .ranking-aside p{font-size:14px;color:rgba(255,255,255,.66);line-height:1.8;margin-bottom:22px}
  .rank-score{display:flex;gap:26px;margin-bottom:22px}
  .rank-score .score-item{text-align:center}
  .rank-score .num{font-size:26px;font-weight:800;color:var(--accent)}
  .rank-score .label{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:2px}

  /* ===== 推荐理由 ===== */
  .feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
  .feature-item{
    background:var(--surface);border:1px solid var(--border);border-radius:18px;
    padding:30px 24px;text-align:center;transition:all .3s ease;box-shadow:var(--shadow-sm);
  }
  .feature-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--primary)}
  .feature-icon{
    width:60px;height:60px;border-radius:16px;margin:0 auto 18px;
    background:var(--primary-light);color:var(--primary);font-size:24px;
    display:flex;align-items:center;justify-content:center;
  }
  .feature-item:nth-child(2) .feature-icon{background:var(--accent-soft);color:#b45309}
  .feature-item:nth-child(3) .feature-icon{background:#fee2e2;color:#dc2626}
  .feature-item:nth-child(4) .feature-icon{background:#d1fae5;color:#059669}
  .feature-item h3{font-size:17px;font-weight:700;color:var(--deep);margin-bottom:8px}
  .feature-item p{font-size:13.5px;color:var(--muted);line-height:1.75}

  /* ===== 热门资讯列表 ===== */
  .news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
  .news-card{
    display:flex;gap:18px;background:var(--surface);border:1px solid var(--border);
    border-radius:16px;padding:18px;transition:all .28s ease;box-shadow:var(--shadow-sm);
  }
  .news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
  .news-thumb{width:140px;flex:none;border-radius:12px;overflow:hidden}
  .news-thumb img{width:140px;height:100px;object-fit:cover}
  .news-body{flex:1;min-width:0}
  .news-body .news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:6px}
  .news-body h3{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:6px;color:var(--deep)}
  .news-body h3 a:hover{color:var(--primary)}
  .news-body p{font-size:13.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .view-more{text-align:center;margin-top:44px}
  .view-more .btn{background:var(--primary-light);color:var(--primary);border:1px solid transparent}
  .view-more .btn:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}

  /* ===== FAQ ===== */
  .faq-section{background:#eef0f7}
  .faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
  .faq-item{
    background:var(--surface);border:1px solid var(--border);border-radius:14px;
    overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .25s;
  }
  .faq-item:hover{box-shadow:var(--shadow-md)}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 24px;cursor:pointer;font-weight:600;font-size:15.5px;color:var(--deep);
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary i{color:var(--primary);font-size:15px;flex:none;transition:transform .3s ease}
  .faq-item[open] summary i{transform:rotate(45deg)}
  .faq-item .faq-body{padding:0 24px 20px;font-size:14.5px;color:var(--muted);line-height:1.85}

  /* ===== CTA ===== */
  .cta-block{
    position:relative;border-radius:26px;overflow:hidden;color:#fff;text-align:center;
    background:linear-gradient(135deg,rgba(15,23,42,.9),rgba(79,70,229,.85)),
      url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    padding:72px 40px;
  }
  .cta-block h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;margin-bottom:14px}
  .cta-block p{font-size:15.5px;color:rgba(255,255,255,.78);max-width:600px;margin:0 auto 28px;line-height:1.85}
  .cta-block .btn-group{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
  .cta-note{font-size:13px;color:rgba(255,255,255,.55);margin-top:18px}

  /* ===== Footer ===== */
  .site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:64px 0 24px}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;margin-bottom:44px}
  .footer-grid .brand{color:#fff}
  .footer-grid .brand small{color:rgba(255,255,255,.45)}
  .footer-brand-info{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.55);max-width:320px}
  .footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.5px}
  .footer-link-list{display:flex;flex-direction:column;gap:10px}
  .footer-link-list a{font-size:14px;display:inline-flex;align-items:center;gap:7px;transition:all .25s}
  .footer-link-list a i{font-size:11px;color:rgba(255,255,255,.35)}
  .footer-link-list a:hover{color:var(--accent);transform:translateX(3px)}
  .footer-link-list a:hover i{color:var(--accent)}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding-top:24px;text-align:center;font-size:13px;color:rgba(255,255,255,.45)}

  /* ===== 响应式 ===== */
  @media (max-width:1024px){
    .feature-grid{grid-template-columns:repeat(2,1fr)}
    .featured-grid{grid-template-columns:repeat(2,1fr)}
    .ranking-wrap{grid-template-columns:1fr;gap:32px}
    .footer-grid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:768px){
    :root{--header-h:auto}
    .header-top-inner{flex-direction:column;align-items:flex-start}
    .header-actions{width:100%}
    .search-box{flex:1}
    .search-box input{width:100%}
    .page-banner{padding:70px 0}
    .news-grid{grid-template-columns:1fr}
    .section{padding:64px 0}
    .featured-grid{grid-template-columns:1fr}
    .news-card{flex-direction:column}
    .news-thumb,.news-thumb img{width:100%;height:auto;aspect-ratio:16/8}
    .footer-grid{grid-template-columns:1fr;gap:32px}
    .cta-block{padding:56px 24px}
  }
  @media (max-width:520px){
    body{font-size:15px}
    .header-actions{flex-direction:column;align-items:stretch}
    .header-actions .btn{justify-content:center}
    .feature-grid{grid-template-columns:1fr}
    .page-banner h1{font-size:28px}
    .banner-actions .btn{width:100%}
    .rank-score{flex-wrap:wrap}
    .ranking-item{flex-wrap:wrap;gap:12px}
    .rank-heat{width:100%;padding-left:56px}
  }
  @media (max-width:1024px) and (min-width:769px){
    .news-thumb{width:120px}
    .news-thumb img{width:120px;height:92px}
  }

/* roulang page: category2 */
:root {
  --primary: #2d5bff;
  --primary-600: #1e3fbf;
  --primary-50: #ecf1ff;
  --accent: #f7b32b;
  --accent-hover: #e5a21c;
  --bg-page: #f6f8fb;
  --bg-white: #ffffff;
  --bg-dark: #0c1b33;
  --bg-dark-2: #132744;
  --text-main: #1f2d3d;
  --text-secondary: #5b6b7f;
  --text-muted: #8a97a8;
  --border: #e3e8f0;
  --border-light: #eef1f6;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 10px 30px rgba(15, 23, 42, 0.12);
  --shadow-dark: 0 12px 32px rgba(12, 27, 51, 0.2);
  --transition: all 0.3s ease;
  --space-section: 80px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-page);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }

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

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-white);
  box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
}
.header-top {
  background: var(--bg-dark);
  color: #fff;
}
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}
.brand small {
  display: block;
  font-size: 10px;
  letter-spacing: 3px;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 400;
  margin-top: 2px;
}
.brand-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #e67e22);
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(247, 179, 43, 0.35);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 40px;
  padding: 0 6px 0 16px;
  height: 42px;
  width: 240px;
  transition: var(--transition);
}
.search-box:focus-within {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(247, 179, 43, 0.15);
}
.search-box input {
  flex: 1;
  min-width: 0;
  background: none;
  border: none;
  outline: none;
  color: #fff;
  font-size: 14px;
}
.search-box input::placeholder { color: rgba(255, 255, 255, 0.4); }
.search-box button {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}
.search-box button:hover {
  background: var(--accent-hover);
  transform: scale(1.05);
}
.search-box button:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: 40px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-lg { height: 52px; padding: 0 34px; font-size: 16px; }
.btn-primary {
  background: var(--accent);
  color: var(--bg-dark);
  box-shadow: 0 4px 14px rgba(247, 179, 43, 0.3);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(247, 179, 43, 0.4);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: translateY(0);
}

/* ===== Nav ===== */
.header-nav {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 56px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-inner::-webkit-scrollbar { display: none; }
.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 18px;
  height: 36px;
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
}
.nav-item i { font-size: 13px; color: var(--text-muted); transition: var(--transition); }
.nav-item:hover {
  color: var(--primary);
  background: var(--primary-50);
}
.nav-item.active {
  color: var(--bg-dark);
  background: var(--accent);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(247, 179, 43, 0.3);
}
.nav-item.active i { color: var(--bg-dark); }
.nav-item:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 80px 0;
  background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: #fff;
  text-align: center;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(12, 27, 51, 0.88), rgba(28, 46, 84, 0.72));
  z-index: 1;
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.hero-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 30px;
  padding: 6px 18px;
  margin-bottom: 24px;
}
.hero-breadcrumb a:hover { color: var(--accent); }
.page-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.page-hero p {
  max-width: 720px;
  margin: 0 auto 28px;
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
}
.hero-btn-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Section ===== */
.section {
  padding: var(--space-section) 0;
}
.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-50);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 30px;
  padding: 6px 16px;
  margin-bottom: 14px;
}
.section-title {
  font-size: 32px;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 10px;
  font-weight: 800;
}
.section-desc {
  color: var(--text-secondary);
  font-size: 16px;
}

/* ===== Overview Cards ===== */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.overview-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  border-top: 4px solid transparent;
  transition: var(--transition);
  position: relative;
}
.overview-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-top-color: var(--accent);
}
.overview-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--primary-50);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
  transition: var(--transition);
}
.overview-card:hover .overview-icon {
  background: var(--accent);
  color: var(--bg-dark);
  transform: rotate(-6deg) scale(1.04);
}
.overview-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.overview-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== Steps ===== */
.section-steps {
  background: var(--bg-white);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-page);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.step-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  margin: 0 auto 16px;
  box-shadow: 0 6px 16px rgba(45, 91, 255, 0.3);
}
.step-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
}
.step-item p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.65;
}

/* ===== Feature Cards ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.feature-card .cover-wrap {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.feature-card .cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.feature-card:hover .cover-wrap img {
  transform: scale(1.06);
}
.feature-card .cover-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(12, 27, 51, 0.75);
  color: #fff;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.feature-content {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.feature-content h3 {
  font-size: 17px;
  margin-bottom: 8px;
}
.feature-content p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  flex: 1;
}
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  margin-top: 14px;
}
.feature-link:hover { color: var(--accent); gap: 10px; }

/* ===== Tips ===== */
.section-tips {
  background: var(--bg-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.section-tips::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(247, 179, 43, 0.12), transparent 70%);
}
.tips-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.tips-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.stat-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.1);
}
.stat-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
}
.stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 6px;
}
.tips-content h2 {
  color: #fff;
  font-size: 30px;
  margin-bottom: 14px;
}
.tips-content > p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 22px;
}
.tips-list {
  display: grid;
  gap: 12px;
}
.tips-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  transition: var(--transition);
}
.tips-list li:hover {
  border-color: rgba(247, 179, 43, 0.4);
  transform: translateX(4px);
}
.tips-list li i {
  color: var(--accent);
  margin-top: 4px;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-card);
}
.faq-item.open {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(45, 91, 255, 0.08);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-main);
  user-select: none;
}
.faq-q i {
  color: var(--text-muted);
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-q i {
  transform: rotate(180deg);
  color: var(--primary);
}
.faq-a {
  padding: 0 22px 18px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  display: none;
}
.faq-item.open .faq-a {
  display: block;
}

/* ===== CTA ===== */
.cta-section {
  padding-bottom: var(--space-section);
}
.cta-box {
  position: relative;
  border-radius: 28px;
  padding: 56px 48px;
  text-align: center;
  color: #fff;
  background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  overflow: hidden;
  box-shadow: var(--shadow-dark);
}
.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(12, 27, 51, 0.92), rgba(30, 55, 105, 0.82));
  z-index: 1;
}
.cta-box > * {
  position: relative;
  z-index: 2;
}
.cta-box h2 {
  font-size: 30px;
  margin-bottom: 12px;
}
.cta-box p {
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 26px;
  font-size: 15px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.cta-box .btn {
  box-shadow: 0 8px 24px rgba(247, 179, 43, 0.35);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: #fff;
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-grid .brand {
  margin-bottom: 14px;
}
.footer-brand-info {
  max-width: 360px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.7;
}
.footer-title {
  font-size: 16px;
  margin-bottom: 16px;
  color: #fff;
  font-weight: 600;
}
.footer-link-list {
  display: grid;
  gap: 10px;
}
.footer-link-list a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.footer-link-list a i {
  font-size: 12px;
  color: var(--accent);
  transition: var(--transition);
}
.footer-link-list a:hover {
  color: var(--accent);
  gap: 10px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tips-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 56px;
  }
  .header-top-inner {
    height: 60px;
  }
  .brand {
    font-size: 17px;
  }
  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }
  .search-box {
    display: none;
  }
  .header-actions .btn {
    padding: 0 14px;
  }
  .header-actions .btn span {
    display: none;
  }
  .nav-inner {
    height: 48px;
  }
  .nav-item {
    padding: 0 14px;
    height: 32px;
    font-size: 13px;
  }
  .page-hero {
    padding: 56px 0;
  }
  .page-hero h1 {
    font-size: 32px;
  }
  .section-title {
    font-size: 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-box {
    padding: 40px 24px;
  }
  .cta-box h2 {
    font-size: 24px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .overview-grid,
  .feature-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .tips-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .stat-num {
    font-size: 26px;
  }
  .page-hero h1 {
    font-size: 26px;
  }
  .page-hero p {
    font-size: 15px;
  }
  .hero-btn-group {
    flex-direction: column;
    gap: 12px;
  }
  .hero-btn-group .btn {
    width: 100%;
  }
  .cta-box {
    padding: 32px 20px;
  }
}