/* roulang page: index */
:root {
  --primary: #0d1f3c;
  --primary-light: #162d4f;
  --primary-dark: #071426;
  --accent: #c8a45c;
  --accent-hover: #b18e48;
  --accent-soft: rgba(200, 164, 92, .15);
  --bg: #f4f6fb;
  --bg-white: #ffffff;
  --bg-dark: #0d1f3c;
  --text: #1d2635;
  --text-light: #5b6577;
  --text-muted: #8a94a6;
  --border: #e4e8f0;
  --border-light: #eef1f6;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 6px 24px rgba(13, 31, 60, .07);
  --shadow-hover: 0 14px 40px rgba(13, 31, 60, .13);
  --shadow-dark: 0 10px 35px rgba(0, 0, 0, .25);
  --transition: all .3s ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  padding: 0;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
img {
  max-width: 100%;
  display: block;
}
ul {
  padding: 0;
  margin: 0;
  list-style: none;
}
button, input {
  font-family: inherit;
  outline: none;
  border: none;
}
.container {
  max-width: 1280px;
  padding-left: 24px;
  padding-right: 24px;
}
@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}
/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 2px 12px rgba(13, 31, 60, .04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
  position: relative;
}
.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
}
.header-right {
  justify-content: flex-end;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  transition: var(--transition);
}
.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 19px;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(13, 31, 60, .25);
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-text .logo-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: .5px;
}
.logo-text .logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1.5px;
}
.header-nav-link {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
  transition: var(--transition);
  white-space: nowrap;
}
.header-nav-link:hover {
  color: var(--primary);
  background: var(--accent-soft);
}
.header-nav-link.active {
  color: var(--primary);
  background: var(--accent-soft);
  position: relative;
}
.header-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--accent);
  border-radius: 4px;
}
.btn-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 30px;
  box-shadow: 0 6px 18px rgba(13, 31, 60, .25);
  transition: var(--transition);
  border: none;
  white-space: nowrap;
}
.btn-brand:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(13, 31, 60, .35);
  color: #fff;
}
.mobile-toggle {
  display: none;
  background: none;
  font-size: 22px;
  color: var(--primary);
  cursor: pointer;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  background: #fff;
  padding: 12px 20px 20px;
  border-top: 1px solid var(--border-light);
}
.mobile-menu.open {
  display: flex;
}
.mobile-nav-link {
  padding: 14px 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  border-radius: var(--radius-sm);
  border-bottom: 1px solid var(--border-light);
}
.mobile-nav-link:hover {
  background: var(--accent-soft);
  color: var(--primary);
}
.mobile-nav-link.active {
  color: var(--primary);
  background: var(--accent-soft);
}
.mobile-cta {
  margin-top: 12px;
  text-align: center;
}
@media (max-width: 992px) {
  .header-left, .header-right {
    display: none;
  }
  .header-inner {
    justify-content: space-between;
  }
  .header-logo {
    order: 0;
  }
  .mobile-toggle {
    display: inline-flex;
    order: 1;
  }
}
/* ===== Hero ===== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, rgba(7, 20, 38, .92), rgba(13, 31, 60, .82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  padding: 108px 0 120px;
  overflow: hidden;
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg), transparent);
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200, 164, 92, .18);
  border: 1px solid rgba(200, 164, 92, .4);
  color: #e8d5a8;
  padding: 8px 18px;
  border-radius: 40px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 28px;
}
.hero-badge i {
  font-size: 14px;
}
.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 2px;
  margin-bottom: 20px;
  color: #fff;
}
.hero-title span {
  color: var(--accent);
}
.hero-desc {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .85);
  margin-bottom: 36px;
  max-width: 640px;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent), #d9b877);
  color: #0d1f3c;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 32px;
  border-radius: 40px;
  box-shadow: 0 8px 24px rgba(200, 164, 92, .35);
  transition: var(--transition);
}
.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(200, 164, 92, .5);
  color: #0d1f3c;
}
.btn-hero-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .3);
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 32px;
  border-radius: 40px;
  transition: var(--transition);
  backdrop-filter: blur(6px);
}
.btn-hero-ghost:hover {
  background: rgba(255, 255, 255, .16);
  border-color: rgba(255, 255, 255, .5);
  color: #fff;
}
.hero-metrics {
  margin-top: 48px;
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, .15);
  padding-top: 32px;
}
.hero-metric .num {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
}
.hero-metric .label {
  font-size: 13px;
  color: rgba(255, 255, 255, .7);
  letter-spacing: 1px;
}
@media (max-width: 768px) {
  .hero-section {
    padding: 72px 0 80px;
  }
  .hero-title {
    font-size: 34px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .hero-metrics {
    gap: 24px;
  }
}
/* ===== Ticker ===== */
.ticker-section {
  background: var(--primary);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  position: relative;
  z-index: 1;
}
.ticker-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 0;
  overflow: hidden;
}
.ticker-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #0d1f3c;
  font-size: 13px;
  font-weight: 800;
  padding: 6px 16px;
  border-radius: 30px;
  white-space: nowrap;
  flex-shrink: 0;
}
.ticker-list {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
}
.ticker-list ul {
  display: inline-flex;
  gap: 40px;
  animation: tickerMove 28s linear infinite;
}
.ticker-list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, .8);
  font-size: 14px;
  white-space: nowrap;
}
.ticker-list li i {
  color: var(--accent);
  font-size: 12px;
}
@keyframes tickerMove {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}
@media (max-width: 768px) {
  .ticker-label {
    font-size: 12px;
    padding: 5px 12px;
  }
  .ticker-list li {
    font-size: 13px;
  }
}
/* ===== Section Common ===== */
.section-padding {
  padding: 96px 0;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-hover);
  background: var(--accent-soft);
  padding: 6px 16px;
  border-radius: 30px;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--primary);
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-light);
  max-width: 640px;
  line-height: 1.8;
}
.section-head {
  margin-bottom: 48px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  background: #fff;
  border: 1px solid var(--border);
  padding: 10px 22px;
  border-radius: 30px;
  transition: var(--transition);
}
.link-more:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateX(4px);
}
@media (max-width: 768px) {
  .section-padding {
    padding: 64px 0;
  }
  .section-title {
    font-size: 28px;
  }
  .section-desc {
    font-size: 15px;
  }
}
/* ===== Intro ===== */
.intro-section {
  background: #fff;
  border-bottom: 1px solid var(--border-light);
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.intro-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.intro-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.intro-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 31, 60, .2), transparent);
}
.intro-badge-float {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  box-shadow: var(--shadow);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
}
.intro-badge-float i {
  font-size: 28px;
  color: var(--accent-hover);
}
.intro-badge-float .text {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.3;
}
.intro-badge-float .text strong {
  color: var(--primary);
  font-size: 16px;
  display: block;
}
.intro-content h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 20px;
}
.intro-content p {
  color: var(--text-light);
  line-height: 1.85;
  margin-bottom: 16px;
  font-size: 15px;
}
.intro-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}
.intro-point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 16px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.intro-point:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.intro-point i {
  font-size: 20px;
  color: var(--accent-hover);
  flex-shrink: 0;
  margin-top: 3px;
}
.intro-point .text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
}
@media (max-width: 992px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .intro-content h2 {
    font-size: 28px;
  }
  .intro-points {
    grid-template-columns: 1fr;
  }
}
/* ===== Categories ===== */
.categories-section {
  background: var(--bg);
}
.cat-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 380px;
  background: var(--primary);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: block;
}
.cat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}
.cat-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .55;
  transition: all .5s ease;
}
.cat-card:hover img {
  opacity: .4;
  transform: scale(1.05);
}
.cat-card-body {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  background: linear-gradient(to top, rgba(7, 20, 38, .92), transparent 70%);
  color: #fff;
}
.cat-card .cat-count {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(200, 164, 92, .25);
  color: #e8d5a8;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
  align-self: flex-start;
}
.cat-card h3 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 10px;
}
.cat-card p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .85);
  margin-bottom: 20px;
  max-width: 400px;
}
.cat-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}
.cat-card-link i {
  transition: transform .3s;
}
.cat-card:hover .cat-card-link i {
  transform: translateX(5px);
}
@media (max-width: 768px) {
  .cat-card {
    height: 300px;
  }
  .cat-card-body {
    padding: 24px;
  }
  .cat-card h3 {
    font-size: 22px;
  }
}
/* ===== Latest News ===== */
.latest-section {
  background: #fff;
}
.latest-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 40px;
  align-items: stretch;
}
.news-featured {
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.news-featured:hover {
  box-shadow: var(--shadow-hover);
}
.news-featured img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.news-featured-body {
  padding: 24px;
}
.news-featured-body .badge-featured {
  display: inline-block;
  background: var(--accent);
  color: #0d1f3c;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.news-featured-body h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 10px;
}
.news-featured-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin: 0;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
}
.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
  background: #fff;
}
.news-item:last-child {
  border-bottom: none;
}
.news-item:hover {
  background: var(--accent-soft);
  padding-left: 30px;
}
.news-cat {
  flex-shrink: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-light);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  white-space: nowrap;
}
.news-item:hover .news-cat {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.news-title {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.4;
}
.news-date {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}
.empty-tip {
  padding: 40px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
}
@media (max-width: 992px) {
  .latest-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .news-item {
    flex-wrap: wrap;
    padding: 14px 16px;
    gap: 10px;
  }
  .news-title {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    font-size: 14px;
  }
  .news-cat {
    font-size: 11px;
    padding: 4px 10px;
  }
  .news-date {
    font-size: 12px;
    margin-left: auto;
  }
}
/* ===== Stats ===== */
.stats-section {
  background: linear-gradient(135deg, #0a1a33, #132d4f), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  position: relative;
  padding: 80px 0;
  color: #fff;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(13, 31, 60, .7);
}
.stats-inner {
  position: relative;
  z-index: 2;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-card {
  text-align: center;
  padding: 32px 20px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.stat-card:hover {
  background: rgba(255, 255, 255, .1);
  transform: translateY(-4px);
}
.stat-card .stat-num {
  font-size: 42px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 8px;
}
.stat-card .stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, .8);
  letter-spacing: 1px;
}
.stat-card i {
  font-size: 24px;
  color: rgba(255, 255, 255, .4);
  margin-bottom: 16px;
}
@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .stat-card .stat-num {
    font-size: 30px;
  }
}
/* ===== Process ===== */
.process-section {
  background: var(--bg);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 16px;
}
.process-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
  position: relative;
  transition: var(--transition);
}
.process-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.process-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--accent);
  font-size: 22px;
  font-weight: 800;
  border-radius: 16px;
  margin-bottom: 24px;
  box-shadow: 0 8px 20px rgba(13, 31, 60, .2);
}
.process-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.process-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 0;
}
.process-card .process-arrow {
  position: absolute;
  top: 50%;
  right: -24px;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--accent);
  z-index: 2;
  background: var(--bg);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
  box-shadow: var(--shadow);
}
@media (max-width: 992px) {
  .process-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .process-card .process-arrow {
    display: none;
  }
}
/* ===== FAQ ===== */
.faq-section {
  background: #fff;
}
.faq-wrapper {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  margin-bottom: 14px;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 8px rgba(13, 31, 60, .03);
}
.faq-item .accordion-button {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: #fff;
  padding: 20px 24px;
  box-shadow: none;
}
.faq-item .accordion-button:not(.collapsed) {
  color: var(--primary);
  background: var(--accent-soft);
}
.faq-item .accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(200, 164, 92, .25);
}
.faq-item .accordion-button::after {
  color: var(--accent);
}
.faq-item .accordion-body {
  padding: 20px 24px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px solid var(--border-light);
}
.faq-item .accordion-body strong {
  color: var(--primary);
}
/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, #0d1f3c 0%, #162d4f 100%);
  position: relative;
  padding: 90px 0;
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: .15;
}
.cta-inner {
  position: relative;
  z-index: 2;
}
.cta-section h2 {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, .8);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-btn-primary {
  background: linear-gradient(135deg, var(--accent), #d9b877);
  color: #0d1f3c;
  font-weight: 700;
  padding: 16px 38px;
  border-radius: 40px;
  font-size: 16px;
  box-shadow: 0 8px 28px rgba(200, 164, 92, .35);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.cta-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(200, 164, 92, .5);
  color: #0d1f3c;
}
.cta-btn-ghost {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .3);
  color: #fff;
  font-weight: 600;
  padding: 16px 38px;
  border-radius: 40px;
  font-size: 16px;
  transition: var(--transition);
}
.cta-btn-ghost:hover {
  background: rgba(255, 255, 255, .16);
  color: #fff;
}
@media (max-width: 768px) {
  .cta-section h2 {
    font-size: 26px;
  }
  .cta-section p {
    font-size: 14px;
  }
}
/* ===== Footer ===== */
.site-footer {
  background: #08182e;
  color: rgba(255, 255, 255, .65);
  padding: 60px 0 0;
  font-size: 14px;
}
.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand .footer-logo {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .footer-logo i {
  color: var(--accent);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 340px;
  color: rgba(255, 255, 255, .6);
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, .08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, .7);
  font-size: 15px;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--accent);
  color: #0d1f3c;
  transform: translateY(-2px);
}
.footer-title {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  color: rgba(255, 255, 255, .6);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  color: rgba(255, 255, 255, .6);
}
.footer-contact li i {
  color: var(--accent);
  margin-top: 4px;
  width: 16px;
}
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
  border-top: 1px solid rgba(255, 255, 255, .04);
}
.footer-bottom a {
  color: rgba(255, 255, 255, .55);
}
.footer-bottom a:hover {
  color: var(--accent);
}
@media (max-width: 992px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}
@media (max-width: 768px) {
  .site-footer {
    padding-top: 40px;
  }
  .footer-main {
    grid-template-columns: 1fr;
  }
}

/* roulang page: category1 */
:root {
  --primary: #d4a843;
  --primary-dark: #b8922e;
  --primary-light: #f0d78c;
  --dark: #0d1117;
  --dark-2: #141b24;
  --dark-3: #1c2733;
  --text: #e9edf2;
  --text-weak: #9aa8b8;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 38px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 6px 20px rgba(0, 0, 0, 0.22);
  --spacer: 120px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color 0.25s ease; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: 1240px; padding-left: 24px; padding-right: 24px; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 16px;
}
.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
}
.header-right { justify-content: flex-end; }
.header-nav-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-weak);
  background: transparent;
  border: 1px solid transparent;
  transition: all 0.28s ease;
  white-space: nowrap;
}
.header-nav-link:hover {
  color: var(--primary-light);
  background: rgba(212, 168, 67, 0.08);
  border-color: rgba(212, 168, 67, 0.2);
}
.header-nav-link.active {
  color: var(--dark);
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(212, 168, 67, 0.3);
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  color: var(--dark);
  box-shadow: 0 4px 14px rgba(212, 168, 67, 0.35);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-size: 18px; font-weight: 700; color: var(--text); letter-spacing: 1px; }
.logo-sub { font-size: 11px; color: var(--text-weak); letter-spacing: 2px; }
.btn-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark) !important;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border: none;
  box-shadow: 0 4px 18px rgba(212, 168, 67, 0.32);
  transition: all 0.28s ease;
  white-space: nowrap;
}
.btn-brand:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(212, 168, 67, 0.42);
}
.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  width: 42px;
  height: 42px;
  border-radius: 10px;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.mobile-menu {
  display: none;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border);
  background: var(--dark-2);
  flex-direction: column;
  gap: 8px;
}
.mobile-menu.open { display: flex; }
.mobile-nav-link {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 15px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
}
.mobile-nav-link.active { color: var(--primary); background: rgba(212, 168, 67, 0.1); }
.mobile-cta { justify-content: center; margin-top: 8px; }

/* ===== Page Hero ===== */
.category-hero {
  position: relative;
  padding: 110px 0 90px;
  background: linear-gradient(140deg, rgba(13,17,23,0.92) 0%, rgba(20,27,36,0.75) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
}
.category-hero .breadcrumb-custom {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 24px;
}
.category-hero .breadcrumb-custom a { color: var(--primary-light); }
.category-hero .breadcrumb-custom .sep { color: var(--text-weak); opacity: 0.5; }
.category-hero h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: 1px;
  color: var(--text);
}
.category-hero h1 span { color: var(--primary); }
.category-hero p.lead-text {
  font-size: 18px;
  color: var(--text-weak);
  max-width: 680px;
  margin-bottom: 32px;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags .tag {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text-weak);
}

/* ===== News Ticker ===== */
.news-ticker-section { padding: 24px 0; border-bottom: 1px solid var(--border); background: var(--dark-2); }
.ticker-wrap {
  display: flex;
  align-items: center;
  gap: 18px;
  overflow: hidden;
}
.ticker-label {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: var(--dark);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 20px;
  letter-spacing: 1px;
}
.ticker-list {
  display: flex;
  gap: 40px;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
  padding: 6px 0;
}
.ticker-list::-webkit-scrollbar { display: none; }
.ticker-list a { color: var(--text); font-size: 14px; display: flex; align-items: center; gap: 8px; }
.ticker-list a:hover { color: var(--primary-light); }
.ticker-list a .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--primary); flex-shrink: 0; }
.ticker-list a .time { color: var(--text-weak); font-size: 12px; }

/* ===== Section Header ===== */
.section-head { margin-bottom: 40px; }
.section-head .kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.section-head .kicker::before {
  content: "";
  width: 28px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.section-head h2 { font-size: 32px; font-weight: 700; margin-bottom: 8px; letter-spacing: 0.5px; }
.section-head p { color: var(--text-weak); font-size: 15px; max-width: 640px; }
.section-head .more-link { color: var(--primary); font-size: 14px; font-weight: 600; }
.section-head .more-link:hover { color: var(--primary-light); }

/* ===== Cards Grid ===== */
.category-main { padding: 80px 0 40px; }
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.news-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  height: 100%;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(212, 168, 67, 0.4);
}
.news-card .card-image { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.news-card .card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .card-image img { transform: scale(1.06); }
.news-card .card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: var(--dark);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}
.news-card .card-body { padding: 22px 20px 24px; }
.news-card .card-body h3 { font-size: 17px; font-weight: 600; line-height: 1.5; margin-bottom: 10px; }
.news-card .card-body h3 a:hover { color: var(--primary-light); }
.news-card .card-body p { font-size: 14px; color: var(--text-weak); margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--text-weak); }
.card-meta i { margin-right: 4px; }

/* ===== Featured Story ===== */
.featured-section { padding: 60px 0; }
.featured-wrap {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  box-shadow: var(--shadow-sm);
}
.featured-image { position: relative; min-height: 380px; }
.featured-image img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.featured-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 30%, rgba(20, 27, 36, 0.65) 100%);
}
.featured-content { padding: 48px 44px; display: flex; flex-direction: column; justify-content: center; }
.featured-content .tag-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.featured-content h2 { font-size: 30px; font-weight: 800; line-height: 1.35; margin-bottom: 18px; }
.featured-content p { color: var(--text-weak); font-size: 15px; margin-bottom: 26px; }
.featured-content .btn-outline-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 26px;
  border-radius: 30px;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  transition: all 0.28s ease;
  align-self: flex-start;
}
.featured-content .btn-outline-brand:hover {
  background: var(--primary);
  color: var(--dark);
  box-shadow: 0 6px 20px rgba(212, 168, 67, 0.3);
}

/* ===== Stats ===== */
.stats-section { padding: 80px 0; background: var(--dark-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.stat-card {
  text-align: center;
  padding: 36px 20px;
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.stat-card:hover { border-color: rgba(212, 168, 67, 0.4); transform: translateY(-4px); }
.stat-card .number { font-size: 42px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-card .label { font-size: 14px; color: var(--text-weak); margin-top: 8px; }

/* ===== Hot Rank + Latest ===== */
.rank-section { padding: 80px 0 40px; }
.rank-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; }
.latest-list .list-item {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.latest-list .list-item:last-child { border-bottom: none; }
.latest-list .list-num {
  font-size: 28px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.12);
  line-height: 1;
  min-width: 44px;
  transition: color 0.3s ease;
}
.latest-list .list-item:hover .list-num { color: var(--primary); }
.latest-list .list-content h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; line-height: 1.5; }
.latest-list .list-content h3 a:hover { color: var(--primary-light); }
.latest-list .list-content p { font-size: 14px; color: var(--text-weak); margin-bottom: 8px; }
.latest-list .list-meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-weak); }
.rank-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.rank-card .rank-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.rank-card .rank-head h3 { font-size: 20px; font-weight: 700; }
.rank-card .rank-head .live-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(212, 168, 67, 0.12);
  padding: 4px 12px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.rank-item { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.rank-item:last-child { border-bottom: none; }
.rank-item .rank-no { width: 30px; height: 30px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; background: rgba(255,255,255,0.06); color: var(--text-weak); }
.rank-item:nth-child(-n+3) .rank-no { background: linear-gradient(135deg, var(--primary-light), var(--primary)); color: var(--dark); }
.rank-item .rank-info { flex: 1; }
.rank-item .rank-info .name { font-size: 15px; font-weight: 500; }
.rank-item .rank-info .type { font-size: 12px; color: var(--text-weak); }
.rank-item .heat { font-size: 13px; color: var(--primary); font-weight: 600; }

/* ===== FAQ ===== */
.faq-section { padding: 80px 0; background: var(--dark-2); border-top: 1px solid var(--border); }
.accordion-custom { max-width: 860px; margin: 0 auto; }
.accordion-custom .accordion-item {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm) !important;
  margin-bottom: 14px;
  overflow: hidden;
}
.accordion-custom .accordion-button {
  background: transparent;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  padding: 20px 24px;
  box-shadow: none;
  border: none;
}
.accordion-custom .accordion-button:not(.collapsed) {
  background: rgba(212, 168, 67, 0.08);
  color: var(--primary-light);
}
.accordion-custom .accordion-button:focus { box-shadow: none; border: none; }
.accordion-custom .accordion-button::after {
  filter: invert(1) brightness(1.5);
}
.accordion-custom .accordion-body {
  padding: 0 24px 20px;
  color: var(--text-weak);
  font-size: 15px;
}

/* ===== CTA ===== */
.cta-section { padding: 90px 0; background: linear-gradient(rgba(13,17,23,0.88), rgba(13,17,23,0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat; border-top: 1px solid var(--border); position: relative; }
.cta-content { text-align: center; max-width: 680px; margin: 0 auto; }
.cta-content h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-content p { color: var(--text-weak); font-size: 17px; margin-bottom: 32px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-buttons .btn-brand { font-size: 15px; padding: 13px 34px; }
.cta-buttons .btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 34px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  background: transparent;
  transition: all 0.28s ease;
}
.cta-buttons .btn-outline:hover { border-color: var(--primary); color: var(--primary); }

/* ===== Footer ===== */
.site-footer { background: var(--dark-2); border-top: 1px solid var(--border); padding-top: 64px; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-logo { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.footer-logo i { color: var(--primary); }
.footer-brand p { font-size: 14px; color: var(--text-weak); margin-bottom: 20px; max-width: 340px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-weak);
  font-size: 16px;
  transition: all 0.28s ease;
}
.footer-social a:hover { background: var(--primary); color: var(--dark); border-color: var(--primary); transform: translateY(-3px); }
.footer-title { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 18px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a, .footer-contact li { font-size: 14px; color: var(--text-weak); transition: color 0.25s ease; }
.footer-links a:hover { color: var(--primary-light); }
.footer-contact li { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-contact i { color: var(--primary); width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
  font-size: 14px;
  color: var(--text-weak);
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .header-left .header-nav-link, .header-right .header-nav-link { padding: 8px 12px; font-size: 13px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-wrap { grid-template-columns: 1fr; }
  .featured-image { min-height: 280px; }
  .featured-image img { position: static; height: 280px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .rank-layout { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: repeat(2, 1fr); }
  .category-hero { padding: 80px 0 60px; }
  .category-hero h1 { font-size: 36px; }
}
@media (max-width: 768px) {
  .header-left .header-nav-link:not(.active), .header-right .header-nav-link { display: none; }
  .header-right .btn-brand { display: none; }
  .mobile-toggle { display: flex; }
  .header-left .header-nav-link.active { display: flex; font-size: 13px; padding: 8px 14px; }
  .header-inner { height: 68px; }
  .logo-name { font-size: 16px; }
  .category-hero { padding: 60px 0 50px; }
  .category-hero h1 { font-size: 30px; }
  .category-hero p.lead-text { font-size: 16px; }
  .card-grid { grid-template-columns: 1fr; }
  .section-head h2 { font-size: 26px; }
  .featured-content { padding: 30px 24px; }
  .featured-content h2 { font-size: 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-card .number { font-size: 32px; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
  .ticker-wrap { flex-direction: column; align-items: flex-start; }
  .ticker-list { width: 100%; }
  .rank-section { padding: 60px 0 30px; }
  .faq-section, .stats-section { padding: 60px 0; }
  .cta-section { padding: 60px 0; }
  .cta-content h2 { font-size: 28px; }
}
@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .logo-text .logo-sub { display: none; }
  .header-left .header-nav-link.active { font-size: 12px; }
  .card-grid { grid-template-columns: 1fr; }
  .stat-card .number { font-size: 26px; }
  .stat-card .label { font-size: 13px; }
  .latest-list .list-content h3 { font-size: 15px; }
  .rank-item .rank-info .name { font-size: 14px; }
  .hero-tags .tag { font-size: 12px; padding: 5px 12px; }
  .footer-social a { width: 36px; height: 36px; }
}

/* roulang page: article */
:root {
  --primary: #0d1b3e;
  --primary-dark: #091229;
  --primary-light: #1a3061;
  --accent: #d4a643;
  --accent-light: #e8c56d;
  --accent-dark: #b58a2e;
  --bg: #f4f6fb;
  --white: #ffffff;
  --text: #1e2a3a;
  --text-weak: #6b7688;
  --border: #e6e9f1;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 35px rgba(13, 27, 62, 0.08);
  --shadow-hover: 0 18px 50px rgba(13, 27, 62, 0.14);
  --transition: all 0.3s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }
button { border: none; outline: none; cursor: pointer; background: none; }

.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(13, 27, 62, 0.05);
  transition: var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 6px 30px rgba(13, 27, 62, 0.1);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 20px;
}
.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 6px;
}
.header-nav-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 50px;
  transition: var(--transition);
  white-space: nowrap;
}
.header-nav-link:hover { color: var(--primary); background: #eef1f8; }
.header-nav-link.active { color: var(--primary); background: #eaeef8; font-weight: 600; }
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(13, 27, 62, 0.25);
}
.logo-text { display: flex; flex-direction: column; }
.logo-name {
  font-size: 19px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  letter-spacing: 0.5px;
}
.logo-sub {
  font-size: 11px;
  color: var(--text-weak);
  letter-spacing: 2px;
  text-transform: uppercase;
  line-height: 1.3;
}
.btn-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(212, 166, 67, 0.35);
}
.btn-brand:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(212, 166, 67, 0.45);
  color: #fff;
}
.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--primary);
  font-size: 18px;
  transition: var(--transition);
}
.mobile-toggle:hover { background: #f0f2f8; }
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border);
  background: var(--white);
}
.mobile-menu.open { display: flex; }
.mobile-nav-link {
  display: flex;
  align-items: center;
  padding: 13px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 12px;
  margin-bottom: 4px;
  transition: var(--transition);
}
.mobile-nav-link:hover { background: #f0f2f8; }
.mobile-nav-link.active { background: #eaeef8; color: var(--primary); font-weight: 600; }
.mobile-cta {
  margin-top: 14px;
  justify-content: center;
}

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  padding: 90px 0 120px;
  background-size: cover;
  background-position: center;
  margin-top: -1px;
}
.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(9, 18, 41, 0.93) 0%, rgba(26, 48, 97, 0.84) 55%, rgba(13, 27, 62, 0.72) 100%);
}
.banner-inner { position: relative; z-index: 2; max-width: 860px; }
.breadcrumb-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 22px;
}
.breadcrumb-nav a {
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
}
.breadcrumb-nav a:hover { color: var(--accent-light); }
.breadcrumb-nav .sep { opacity: 0.5; }
.breadcrumb-nav .current {
  color: rgba(255, 255, 255, 0.9);
  max-width: 300px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: rgba(212, 166, 67, 0.2);
  border: 1px solid rgba(212, 166, 67, 0.45);
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 50px;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.banner-title {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.banner-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}
.banner-meta span { display: inline-flex; align-items: center; gap: 8px; }
.banner-meta i { color: var(--accent-light); }

/* ===== Article Main ===== */
.article-main {
  position: relative;
  z-index: 3;
  margin-top: -70px;
  padding-bottom: 80px;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 36px;
  align-items: start;
}
.article-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 48px;
  min-height: 400px;
}
.article-content {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text);
}
.article-content > *:first-child { margin-top: 0; }
.article-content h2 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--primary);
  margin: 42px 0 20px;
  line-height: 1.4;
}
.article-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary);
  margin: 34px 0 16px;
  line-height: 1.45;
}
.article-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  margin: 28px 0 14px;
}
.article-content p { margin-bottom: 22px; }
.article-content img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 28px 0;
  box-shadow: var(--shadow);
}
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: #faf8f3;
  padding: 20px 26px;
  margin: 28px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-weak);
  font-size: 1rem;
}
.article-content ul,
.article-content ol { padding-left: 24px; margin-bottom: 24px; }
.article-content li { margin-bottom: 10px; }
.article-content a { color: var(--accent-dark); text-decoration: underline; }
.article-content a:hover { color: var(--primary); }
.article-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
  min-height: 420px;
}
.empty-icon {
  width: 88px;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #f0f2f8;
  color: var(--text-weak);
  font-size: 34px;
  margin-bottom: 28px;
}
.article-empty h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.article-empty p { color: var(--text-weak); margin-bottom: 28px; }

/* ===== Sidebar ===== */
.article-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.side-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
}
.side-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--border);
  position: relative;
}
.side-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 42px;
  height: 2px;
  background: var(--accent);
}
.side-links { display: flex; flex-direction: column; gap: 6px; }
.side-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: var(--transition);
}
.side-link:hover {
  background: #f4f6fb;
  border-color: var(--border);
  transform: translateX(4px);
}
.side-link-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: #eaeef8;
  color: var(--primary);
  font-size: 15px;
  flex-shrink: 0;
}
.side-link-text { flex: 1; font-weight: 500; font-size: 14px; color: var(--text); }
.side-link-arrow { color: var(--text-weak); font-size: 12px; }
.side-link:hover .side-link-arrow { color: var(--accent-dark); transform: translateX(2px); }
.side-link.active-side {
  background: #f4f6fb;
  border-color: var(--border);
}
.side-link.active-side .side-link-icon { background: var(--accent); color: #fff; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.side-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: #f0f2f8;
  color: var(--text);
  font-size: 13px;
  border-radius: 50px;
  transition: var(--transition);
  border: 1px solid transparent;
}
.side-tag:hover {
  background: var(--white);
  color: var(--primary);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.side-post {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
  transition: var(--transition);
}
.side-post:last-child { border-bottom: none; padding-bottom: 0; }
.side-post:hover .side-post-title { color: var(--accent-dark); }
.side-post-img {
  width: 72px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}
.side-post-info { display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.side-post-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
}
.side-post-meta {
  font-size: 12px;
  color: var(--text-weak);
  margin-top: 4px;
}

/* ===== Related Section ===== */
.related-section {
  padding: 40px 0 80px;
  background: var(--bg);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
}
.section-head h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
}
.section-head p { color: var(--text-weak); margin-top: 6px; }
.related-card {
  display: block;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}
.related-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}
.related-img {
  height: 180px;
  overflow: hidden;
  position: relative;
}
.related-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .related-img img { transform: scale(1.05); }
.related-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(13, 27, 62, 0.25) 100%);
}
.related-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 4px 14px;
  background: rgba(13, 27, 62, 0.75);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.related-body { padding: 24px; }
.related-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
}
.related-card:hover .related-body h3 { color: var(--accent-dark); }
.related-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== FAQ Section ===== */
.faq-section {
  padding: 90px 0;
  background: var(--white);
}
.faq-title {
  text-align: center;
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 14px;
}
.faq-subtitle {
  text-align: center;
  color: var(--text-weak);
  margin-bottom: 46px;
  font-size: 15px;
}
.accordion { max-width: 860px; margin: 0 auto; }
.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm) !important;
  overflow: hidden;
  margin-bottom: 14px;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(13, 27, 62, 0.04);
}
.accordion-button {
  background: var(--white) !important;
  color: var(--text) !important;
  font-weight: 600;
  font-size: 15px;
  padding: 20px 24px;
  border: none !important;
  box-shadow: none !important;
  transition: var(--transition);
}
.accordion-button:not(.collapsed) {
  background: #faf8f3 !important;
  color: var(--primary) !important;
}
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(212, 166, 67, 0.15) !important; }
.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230d1b3e'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}
.accordion-body {
  padding: 0 24px 22px;
  color: var(--text-weak);
  line-height: 1.85;
  font-size: 14px;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 90px 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(9, 18, 41, 0.92) 0%, rgba(26, 48, 97, 0.82) 100%);
}
.cta-box {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.cta-box h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta-box p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  margin-bottom: 34px;
  line-height: 1.8;
}
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 34px;
  background: #fff;
  color: var(--primary);
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
  border: 1.5px solid transparent;
}
.btn-light:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2); color: var(--primary); }
.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 34px;
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
}
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-3px); color: #fff; border-color: #fff; }

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 80px;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
}
.footer-logo i { color: var(--accent); font-size: 20px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 22px;
  max-width: 320px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--accent);
  color: var(--primary-dark);
  transform: translateY(-3px);
}
.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 12px;
}
.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0;
  margin: 0;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent-light); padding-left: 6px; }
.footer-contact {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 0;
  margin: 0;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}
.footer-contact i { color: var(--accent); width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 26px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom p { margin: 0; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; }
  .article-card { padding: 36px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 992px) {
  .header-left, .header-right { display: none; }
  .mobile-toggle { display: flex; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: flex; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
}
@media (max-width: 768px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .header-inner { min-height: 68px; }
  .logo-name { font-size: 17px; }
  .logo-sub { font-size: 10px; }
  .page-banner { padding: 60px 0 110px; }
  .banner-title { font-size: 1.7rem; }
  .banner-meta { flex-wrap: wrap; gap: 14px; }
  .article-main { margin-top: -50px; padding-bottom: 60px; }
  .article-card { padding: 28px; }
  .article-content { font-size: 1rem; line-height: 1.85; }
  .article-content h2 { font-size: 1.4rem; }
  .article-sidebar { grid-template-columns: 1fr; }
  .related-section { padding: 60px 0; }
  .faq-section { padding: 64px 0; }
  .cta-section { padding: 64px 0; }
  .cta-box h2 { font-size: 1.6rem; }
  .footer-main { grid-template-columns: 1fr; gap: 36px; padding-bottom: 40px; }
  .footer-brand p { max-width: 100%; }
}
@media (max-width: 520px) {
  .logo-icon { width: 36px; height: 36px; font-size: 17px; }
  .logo-name { font-size: 15px; }
  .mobile-cta { width: 100%; }
  .banner-title { font-size: 1.45rem; }
  .banner-meta { font-size: 13px; }
  .article-card { padding: 22px 18px; }
  .related-body h3 { font-size: 15px; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .btn-light, .btn-outline-light { width: 100%; justify-content: center; }
  .footer-title { font-size: 15px; }
}

/* roulang page: category2 */
/* ===== Theme Variables ===== */
:root{
  --primary: #2b6de8;
  --primary-dark: #1b4fc0;
  --primary-light: #eaf0fe;
  --accent: #f0a020;
  --accent-dark: #d98a0a;
  --dark: #0f172a;
  --dark-2: #152039;
  --bg: #f6f8fc;
  --bg-white: #ffffff;
  --text: #1e2a44;
  --text-light: #5a6a85;
  --text-muted: #8a97ad;
  --border: #e2e8f2;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(15,23,42,0.04), 0 1px 3px rgba(15,23,42,0.06);
  --shadow-md: 0 8px 24px rgba(15,23,42,0.08), 0 2px 6px rgba(15,23,42,0.04);
  --shadow-lg: 0 16px 40px rgba(15,23,42,0.12), 0 4px 12px rgba(15,23,42,0.06);
  --shadow-primary: 0 10px 28px rgba(43,109,232,0.25);
  --transition: .28s cubic-bezier(.4,0,.2,1);
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.75;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
a:hover{color:var(--primary)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
/* ===== Bootstrap override ===== */
.btn{border-radius:10px;font-weight:600;letter-spacing:.2px;transition:all var(--transition)}
.btn:hover{transform:translateY(-2px)}
.btn-brand{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border:none;padding:9px 22px;border-radius:10px;font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:8px;box-shadow:var(--shadow-primary);transition:all var(--transition)}
.btn-brand:hover{color:#fff;box-shadow:0 14px 32px rgba(43,109,232,.35);transform:translateY(-2px)}
.btn-outline-brand{border:2px solid var(--primary);color:var(--primary);background:transparent;padding:8px 22px;border-radius:10px;font-weight:600}
.btn-outline-brand:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-light-brand{background:var(--primary-light);color:var(--primary);border:none;padding:8px 20px;border-radius:10px;font-weight:600}
.btn-light-brand:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:1080;background:rgba(255,255,255,0.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(226,232,242,.7);box-shadow:0 4px 20px rgba(15,23,42,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;position:relative}
.header-left,.header-right{display:flex;align-items:center;gap:6px}
.header-nav-link{font-size:14px;font-weight:500;color:var(--text-light);padding:8px 14px;border-radius:8px;display:inline-flex;align-items:center;transition:all var(--transition)}
.header-nav-link:hover{color:var(--primary);background:var(--primary-light)}
.header-nav-link.active{color:var(--primary);background:var(--primary-light);font-weight:600}
.header-logo{display:flex;align-items:center;gap:12px;text-decoration:none;position:absolute;left:50%;transform:translateX(-50%);outline:none}
.logo-icon{width:44px;height:44px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;font-weight:800;box-shadow:var(--shadow-primary)}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-name{font-size:19px;font-weight:800;color:var(--dark);letter-spacing:1px}
.logo-sub{font-size:11px;color:var(--text-light);letter-spacing:2.5px;font-weight:500}
.mobile-toggle{display:none;background:var(--primary-light);color:var(--primary);border:none;width:42px;height:42px;border-radius:10px;font-size:18px;align-items:center;justify-content:center;transition:all var(--transition)}
.mobile-toggle:hover{background:var(--primary);color:#fff}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--border);padding:12px 20px 20px;box-shadow:0 18px 30px rgba(15,23,42,.08)}
.mobile-menu .mobile-nav-link{display:flex;align-items:center;padding:13px 12px;border-radius:10px;color:var(--text);font-weight:500;font-size:15px;transition:all var(--transition)}
.mobile-menu .mobile-nav-link:hover{background:var(--primary-light);color:var(--primary)}
.mobile-menu .mobile-nav-link.active{background:var(--primary-light);color:var(--primary);font-weight:600}
.mobile-cta{width:100%;justify-content:center;margin-top:14px}
/* ===== Page Banner ===== */
.page-banner{position:relative;padding:80px 0 70px;background:linear-gradient(135deg,#0b1120 0%,#16213e 55%,#1d2f57 100%);overflow:hidden}
.page-banner::before{content:'';position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.22}
.page-banner::after{content:'';position:absolute;top:-80px;right:-60px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(43,109,232,.3),transparent 70%);pointer-events:none}
.banner-content{position:relative;z-index:2}
.banner-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(43,109,232,.2);border:1px solid rgba(43,109,232,.4);color:#a5c4ff;font-size:13px;font-weight:600;padding:6px 16px;border-radius:30px;margin-bottom:16px;letter-spacing:.5px}
.page-banner h1{font-size:44px;font-weight:800;color:#fff;line-height:1.3;margin-bottom:14px;letter-spacing:1px}
.banner-desc{font-size:17px;color:#aab6cf;max-width:640px;margin-bottom:24px;line-height:1.8}
.banner-meta{display:flex;flex-wrap:wrap;gap:12px}
.banner-meta span{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);padding:7px 15px;border-radius:24px;font-size:13px;color:#c8d4ea}
.banner-meta i{color:var(--accent)}
/* ===== Breadcrumb ===== */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--border);padding:12px 0;font-size:13px;color:var(--text-muted)}
.breadcrumb-bar a{color:var(--text-muted);margin:0 6px;transition:color var(--transition)}
.breadcrumb-bar a:hover{color:var(--primary)}
.breadcrumb-bar a:first-child{margin-left:0}
.breadcrumb-bar .current{color:var(--primary);font-weight:600}
/* ===== Section common ===== */
.section{padding:80px 0}
.section-alt{background:#fff}
.section-head{text-align:center;margin-bottom:48px;position:relative}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-light);padding:5px 16px;border-radius:30px;margin-bottom:14px;text-transform:uppercase;letter-spacing:1.5px}
.section-title{font-size:32px;font-weight:800;color:var(--dark);line-height:1.35;margin-bottom:10px}
.section-desc{font-size:16px;color:var(--text-light);max-width:700px;margin:0 auto;line-height:1.75}
/* ===== Info bar ===== */
.info-strip{background:linear-gradient(90deg,var(--primary),var(--primary-dark));color:#fff;padding:14px 0;overflow:hidden}
.info-strip .info-track{display:flex;gap:38px;white-space:nowrap;animation:scrollTrack 30s linear infinite;font-size:14px;font-weight:500}
.info-strip i{margin-right:8px;color:rgba(255,255,255,.6)}
.info-strip span{display:inline-flex;align-items:center}
@keyframes scrollTrack{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
/* ===== Quick nav cards ===== */
.quick-nav{padding:44px 0 10px;margin-top:-28px;position:relative;z-index:3}
.quick-nav .quick-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-md);padding:22px 26px;display:flex;align-items:center;gap:18px;transition:all var(--transition);height:100%;border:1px solid var(--border)}
.quick-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.quick-card .qc-icon{width:52px;height:52px;flex-shrink:0;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--primary);background:var(--primary-light)}
.quick-card .qc-text{flex:1}
.quick-card .qc-text h4{font-size:15px;font-weight:700;margin-bottom:2px}
.quick-card .qc-text p{font-size:13px;color:var(--text-muted);margin:0}
/* ===== Play types ===== */
.play-types .type-card{background:#fff;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-sm);padding:30px 26px;height:100%;transition:all var(--transition);position:relative;overflow:hidden}
.type-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:opacity var(--transition)}
.type-card:hover::before{opacity:1}
.type-card:hover{box-shadow:var(--shadow-md);transform:translateY(-5px);border-color:transparent}
.type-card .tc-icon{width:58px;height:58px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;background:var(--primary-light);color:var(--primary);margin-bottom:20px;transition:all var(--transition)}
.type-card:hover .tc-icon{background:var(--primary);color:#fff;transform:scale(1.06);box-shadow:var(--shadow-primary)}
.type-card h3{font-size:20px;font-weight:700;margin-bottom:10px;color:var(--dark)}
.type-card p{font-size:15px;color:var(--text-light);line-height:1.75;margin-bottom:16px}
.type-card .tc-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--text-muted)}
.type-card .tc-meta span{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:3px 10px;display:inline-flex;align-items:center;gap:5px}
/* ===== Feature rows ===== */
.feature-row{display:flex;align-items:center;gap:60px;margin-bottom:70px}
.feature-row:last-child{margin-bottom:0}
.feature-row.reverse{flex-direction:row-reverse}
.feature-media{flex:0 0 48%;position:relative}
.feature-media img{border-radius:20px;box-shadow:var(--shadow-lg);overflow:hidden}
.feature-media .media-badge{position:absolute;bottom:20px;left:20px;background:rgba(15,23,42,.85);backdrop-filter:blur(8px);color:#fff;padding:10px 18px;border-radius:12px;font-size:12px;font-weight:600;display:flex;align-items:center;gap:8px}
.media-badge i{color:var(--accent)}
.feature-content{flex:1}
.feature-content .fc-tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--accent-dark);background:#fff7ea;border:1px solid #fce3bd;padding:4px 13px;border-radius:20px;margin-bottom:14px}
.feature-content h3{font-size:26px;font-weight:800;margin-bottom:14px;line-height:1.4}
.feature-content p{font-size:15.5px;color:var(--text-light);line-height:1.8;margin-bottom:20px}
.feature-list{display:grid;gap:10px;margin-bottom:24px}
.feature-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text)}
.feature-list li i{color:var(--primary);margin-top:7px;flex-shrink:0;font-size:14px}
/* ===== Steps timeline ===== */
.steps-section{background:linear-gradient(180deg,#0b1120,#16213e);padding:90px 0;position:relative;overflow:hidden}
.steps-section::before{content:'';position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.1}
.steps-wrap{position:relative;z-index:2;counter-reset:step}
.step-line{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;position:relative}
.step-line::before{content:'';position:absolute;top:34px;left:15%;right:15%;height:3px;background:linear-gradient(90deg,rgba(43,109,232,.3),rgba(43,109,232,.8),rgba(43,109,232,.3));border-radius:4px}
.step-item{position:relative;text-align:center;padding:0 8px}
.step-item .step-circle{width:68px;height:68px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;box-shadow:0 0 0 6px rgba(43,109,232,.2),0 0 0 12px rgba(43,109,232,.08);position:relative;z-index:2}
.step-item h4{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.step-item p{font-size:13.5px;color:#8fa0bf;line-height:1.7}
/* ===== Tips cards ===== */
.tips-card{background:#fff;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-sm);padding:28px;height:100%;transition:all var(--transition);border-left:4px solid var(--primary)}
.tips-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.tips-card .tip-title{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.tip-title .tip-icon{width:40px;height:40px;border-radius:10px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}
.tip-title h4{font-size:17px;font-weight:700;margin:0}
.tips-card p{font-size:14.5px;color:var(--text-light);line-height:1.75;margin-bottom:12px}
.tips-card .tip-tag{display:inline-block;font-size:12px;color:var(--primary);background:var(--primary-light);padding:3px 12px;border-radius:6px;font-weight:600}
/* ===== Accordion FAQ ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:14px;background:#fff;box-shadow:var(--shadow-sm);transition:box-shadow var(--transition);overflow:hidden}
.faq-item:hover{box-shadow:var(--shadow-md)}
.faq-item .faq-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;transition:background var(--transition);gap:16px}
.faq-head:hover{background:#fbfdff}
.faq-head h5{font-size:16px;font-weight:600;color:var(--dark);margin:0;line-height:1.5}
.faq-head i{color:var(--primary);font-size:14px;transition:transform var(--transition);flex-shrink:0}
.faq-item.active .faq-head i{transform:rotate(180deg)}
.faq-body{max-height:0;overflow:hidden;transition:max-height .38s ease;padding:0 24px;color:var(--text-light);font-size:15px;line-height:1.8}
.faq-item.active .faq-body{max-height:400px;padding-bottom:22px}
/* ===== CTA ===== */
.cta-section{position:relative;padding:80px 0;background:linear-gradient(135deg,var(--primary) 0%,#1b4fc0 60%,var(--primary-dark) 100%);overflow:hidden}
.cta-section::before{content:'';position:absolute;top:0;right:0;width:440px;height:440px;border-radius:50%;background:rgba(255,255,255,.06);transform:translate(30%,-30%)}
.cta-section::after{content:'';position:absolute;bottom:-80px;left:-80px;width:300px;height:300px;border-radius:50%;background:rgba(240,160,32,.15)}
.cta-inner{position:relative;z-index:2;text-align:center}
.cta-inner h2{font-size:34px;font-weight:800;color:#fff;margin-bottom:14px}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.85);max-width:620px;margin:0 auto 30px;line-height:1.8}
.btn-white{background:#fff;color:var(--primary);border:none;padding:12px 34px;border-radius:30px;font-weight:700;font-size:15px;box-shadow:0 12px 30px rgba(0,0,0,.15);transition:all var(--transition);display:inline-flex;align-items:center;gap:9px}
.btn-white:hover{color:var(--primary-dark);transform:translateY(-3px);box-shadow:0 18px 38px rgba(0,0,0,.2)}
.btn-outline-white{border:2px solid rgba(255,255,255,.6);color:#fff;background:transparent;padding:10px 28px;border-radius:30px;font-weight:600;font-size:15px;transition:all var(--transition);display:inline-flex;align-items:center;gap:8px;margin-left:12px}
.btn-outline-white:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff;transform:translateY(-3px)}
/* ===== Footer ===== */
.site-footer{background:var(--dark);color:#9aa8c3;padding:0;margin-top:0}
.footer-main{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.footer-logo{font-size:22px;font-weight:800;color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.footer-logo i{color:var(--accent)}
.footer-brand p{font-size:14px;line-height:1.8;margin-bottom:20px;color:var(--text-muted)}
.footer-social{display:flex;gap:10px}
.footer-social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;color:#aab6cf;font-size:15px;transition:all var(--transition);border:1px solid rgba(255,255,255,.06)}
.footer-social a:hover{background:var(--primary);color:#fff;transform:translateY(-3px);border-color:transparent}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:20px;position:relative;padding-bottom:12px}
.footer-title::after{content:'';position:absolute;bottom:0;left:0;width:28px;height:2px;background:var(--accent);border-radius:2px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text-muted);font-size:14px;transition:all var(--transition);display:inline-flex;align-items:center;gap:7px}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact li{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:14px;color:var(--text-muted)}
.footer-contact i{color:var(--accent);width:20px;text-align:center}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center}
.footer-bottom p{font-size:13px;color:var(--text-muted);margin:0}
/* ===== Media Queries ===== */
@media (max-width: 1024px){
  .header-nav-link{padding:8px 10px;font-size:13px}
  .logo-name{font-size:17px}
  .step-line{grid-template-columns:repeat(2,1fr);gap:36px 24px}
  .step-line::before{display:none}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width: 768px){
  .header-inner{height:64px}
  .header-left,.header-right{display:none}
  .mobile-toggle{display:flex}
  .mobile-menu.open{display:block}
  .page-banner{padding:56px 0 50px}
  .page-banner h1{font-size:30px}
  .banner-desc{font-size:15px}
  .section{padding:56px 0}
  .section-title{font-size:25px}
  .feature-row{flex-direction:column;gap:30px;margin-bottom:50px}
  .feature-row.reverse{flex-direction:column}
  .feature-media{width:100%}
  .step-line{grid-template-columns:1fr;gap:26px}
  .footer-main{grid-template-columns:1fr;gap:30px;padding:48px 0 28px}
  .cta-inner h2{font-size:26px}
  .btn-outline-white{margin-left:0;margin-top:12px}
}
@media (max-width: 520px){
  .container{padding-left:16px;padding-right:16px}
  .logo-text{display:none}
  .logo-icon{width:38px;height:38px;font-size:19px}
  .page-banner h1{font-size:26px}
  .section-desc{font-size:15px}
  .quick-nav{padding-top:30px}
  .banner-meta{flex-direction:column;gap:8px}
  .step-circle{width:58px;height:58px;font-size:19px}
  .faq-head{padding:16px 18px}
  .faq-body{padding:0 18px}
}