/* roulang page: index */
:root {
  --bg-primary: #0E1116;
  --bg-secondary: #151A22;
  --bg-tertiary: #0B0E13;
  --card-bg: #1A2029;
  --card-border: #262F3B;
  --primary: #7C5CFF;
  --primary-hover: #957BFF;
  --accent: #2FE6DE;
  --cta: #FF9F2E;
  --cta-hover: #FFB555;
  --text-main: #E9EDF2;
  --text-secondary: #9AA6B4;
  --text-weak: #6B7684;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 24px rgba(0,0,0,.35);
  --shadow-hover: 0 12px 32px rgba(0,0,0,.5), 0 0 0 1px rgba(124,92,255,.4);
  --section-space: 96px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .25s; }
a:hover { color: var(--primary-hover); }
button { cursor: pointer; border: none; font-family: inherit; }
input { font-family: inherit; }
ul, ol { list-style: none; }

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

/* ===== Header Nav ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(14,17,22,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: all .3s ease;
}
.site-header.scrolled {
  background: var(--bg-primary);
  border-bottom-color: var(--card-border);
  box-shadow: 0 4px 24px rgba(0,0,0,.4);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-badge {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, rgba(124,92,255,.3), rgba(47,230,222,.2));
  border: 1px solid rgba(124,92,255,.5);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 1px;
  white-space: nowrap;
}
.logo-text span { color: var(--accent); }
.logo-sub {
  font-size: 11px;
  color: var(--text-weak);
  display: block;
  line-height: 1.2;
}
.nav-menu { display: flex; align-items: center; gap: 28px; }
.nav-menu > li > a {
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
  transition: color .25s;
}
.nav-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 24px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform .3s;
}
.nav-menu > li > a:hover, .nav-menu > li > a.active { color: var(--primary); }
.nav-menu > li > a:hover::after, .nav-menu > li > a.active::after { transform: translateX(-50%) scaleX(1); }
.nav-search { display: flex; align-items: center; }
.nav-search .search-box {
  position: relative;
  width: 220px;
}
.nav-search .search-box input {
  width: 100%;
  height: 40px;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 0 44px 0 18px;
  color: var(--text-main);
  font-size: 14px;
  outline: none;
  transition: border-color .25s, box-shadow .25s;
}
.nav-search .search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(124,92,255,.25);
}
.nav-search .search-box .search-icon {
  position: absolute;
  right: 8px; top: 50%;
  transform: translateY(-50%);
  width: 32px; height: 32px;
  background: rgba(124,92,255,.15);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  color: var(--primary);
  pointer-events: none;
}
.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--cta);
  color: var(--bg-primary);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 10px;
  transition: all .25s;
  white-space: nowrap;
}
.btn-nav-cta:hover {
  background: var(--cta-hover);
  color: var(--bg-primary);
  transform: translate(-1px,-1px);
  box-shadow: 0 4px 16px rgba(255,159,46,.35);
}
.btn-nav-cta:active { transform: translateY(1px); }
.hamburger {
  display: none;
  width: 44px; height: 44px;
  background: rgba(124,92,255,.15);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: var(--text-main);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  transition: all .25s;
}
.hamburger:hover { background: rgba(124,92,255,.25); border-color: var(--primary); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0; right: -100%;
  width: min(85vw, 400px);
  height: 100vh;
  background: var(--bg-tertiary);
  z-index: 200;
  padding: 24px;
  overflow-y: auto;
  transition: right .45s cubic-bezier(.77,0,.18,1);
  border-left: 1px solid var(--card-border);
}
.mobile-menu.open { right: 0; }
.mobile-menu-close {
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: var(--text-main);
  font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 32px;
  transition: all .25s;
}
.mobile-menu-close:hover { border-color: var(--primary); color: var(--primary); }
.mobile-menu .logo { margin-bottom: 32px; }
.mobile-nav > li { margin-bottom: 8px; }
.mobile-nav > li > a {
  display: block;
  padding: 14px 16px;
  color: var(--text-secondary);
  font-size: 16px;
  border-radius: 12px;
  transition: all .25s;
  border: 1px solid transparent;
}
.mobile-nav > li > a:hover, .mobile-nav > li > a.active {
  color: var(--primary);
  background: rgba(124,92,255,.1);
  border-color: rgba(124,92,255,.2);
}
.mobile-menu-search { margin-bottom: 24px; }
.mobile-menu-search input {
  width: 100%;
  height: 46px;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 0 16px;
  color: var(--text-main);
  font-size: 15px;
  outline: none;
}
.mobile-menu-search input:focus { border-color: var(--primary); }
.mobile-menu .btn-nav-cta { width: 100%; justify-content: center; margin-top: 16px; }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 180px 0 100px;
  background-image: linear-gradient(to bottom, rgba(14,17,22,.7), rgba(14,17,22,.9)), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(124,92,255,.25), transparent 70%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-grid {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 60px;
  align-items: center;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,92,255,.15);
  border: 1px solid rgba(124,92,255,.35);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 24px;
  letter-spacing: 1px;
}
.hero-kicker i { font-size: 12px; }
.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.hero h1 .grad { color: var(--accent); }
.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-ctas { display: flex; gap: 16px; margin-bottom: 36px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--cta);
  color: var(--bg-primary);
  font-size: 16px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 10px;
  transition: all .25s;
  border: none;
}
.btn-primary:hover {
  background: var(--cta-hover);
  transform: translate(-1px,-1px);
  box-shadow: 0 8px 24px rgba(255,159,46,.35);
  color: var(--bg-primary);
}
.btn-primary:active { transform: translateY(1px); box-shadow: none; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  font-size: 16px;
  font-weight: 600;
  padding: 13px 32px;
  border-radius: 10px;
  transition: all .25s;
}
.btn-outline:hover {
  background: rgba(124,92,255,.12);
  color: var(--primary-hover);
  transform: translate(-1px,-1px);
}
.btn-outline:active { transform: translateY(1px); }
.hero-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}
.hero-meta span i { color: var(--accent); font-size: 13px; }
.hero-visual { position: relative; }
.hero-visual .main-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: 0 24px 64px rgba(0,0,0,.5);
  position: relative;
}
.hero-visual .main-cover img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.hero-visual .main-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14,17,22,.6), transparent 40%);
  pointer-events: none;
}
.hero-visual .platform-badge {
  position: absolute;
  left: 24px; bottom: 24px;
  background: rgba(14,17,22,.8);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(47,230,222,.4);
  border-radius: 12px;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
}
.hero-visual .platform-badge i { color: var(--accent); font-size: 18px; }
.hero-visual .platform-badge span { font-size: 14px; font-weight: 600; color: var(--text-main); }
.hero-visual .float-card {
  position: absolute;
  top: 30px; right: -20px;
  background: rgba(26,32,41,.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(124,92,255,.4);
  border-radius: 16px;
  padding: 12px 18px;
  z-index: 2;
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
}
.hero-visual .float-card .fc-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}
.hero-visual .float-card .fc-label {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ===== Trust Numbers ===== */
.trust-strip {
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--card-border);
  padding: 48px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.trust-item {
  text-align: center;
  padding: 20px 24px;
  border-right: 1px solid rgba(38,47,59,.5);
}
.trust-item:last-child { border-right: none; }
.trust-item .t-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  background: rgba(124,92,255,.12);
  border-radius: 50%;
  margin: 0 auto 12px;
  font-size: 20px;
  color: var(--primary);
}
.trust-item .t-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}
.trust-item .t-num span { color: var(--accent); }
.trust-item .t-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }

/* ===== Section Common ===== */
.section { padding: var(--section-space) 0; }
.section-alt { background: var(--bg-secondary); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 44px;
  gap: 24px;
}
.section-head h2 {
  font-size: 38px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
  position: relative;
}
.section-head h2::before {
  content: '';
  display: inline-block;
  width: 6px; height: 32px;
  background: var(--accent);
  border-radius: 4px;
  margin-right: 14px;
  vertical-align: -3px;
}
.section-head h2 em { color: var(--primary); font-style: normal; }
.section-head .more-link {
  font-size: 14px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--card-border);
  border-radius: 30px;
  transition: all .25s;
}
.section-head .more-link:hover {
  color: var(--primary);
  border-color: var(--primary);
}

/* ===== Game Grid ===== */
.game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.game-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .4s ease;
  cursor: pointer;
  display: block;
  color: inherit;
}
.game-card:hover {
  color: inherit;
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.game-card .cover-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}
.game-card .cover-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.game-card:hover .cover-wrap img { transform: scale(1.05); }
.game-card .rank-badge {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(14,17,22,.75);
  backdrop-filter: blur(4px);
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid rgba(47,230,222,.3);
  letter-spacing: .5px;
  z-index: 2;
}
.game-card .type-badge {
  position: absolute;
  top: 14px; right: 14px;
  background: rgba(124,92,255,.85);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 8px;
  z-index: 2;
}
.game-card .info {
  padding: 20px;
}
.game-card .info h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  transition: color .25s;
}
.game-card:hover .info h3 { color: var(--primary); }
.game-card .info .tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.game-card .info .tag {
  font-size: 12px;
  color: var(--text-secondary);
  background: rgba(255,255,255,.05);
  padding: 2px 10px;
  border-radius: 6px;
  border: 1px solid var(--card-border);
}
.heat-bar {
  display: flex;
  align-items: center;
  gap: 10px;
}
.heat-bar .track {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,.06);
  border-radius: 4px;
  overflow: hidden;
}
.heat-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  border-radius: 4px;
}
.heat-bar .heat-label {
  font-size: 11px;
  color: var(--text-weak);
  white-space: nowrap;
}

/* ===== Platform Advantage ===== */
.advantage-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 60px;
  align-items: center;
}
.advantage-visual { position: relative; }
.advantage-visual img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-card);
  aspect-ratio: 3/2;
  object-fit: cover;
  width: 100%;
}
.advantage-visual .float-tag {
  position: absolute;
  left: 24px; bottom: 24px;
  background: rgba(14,17,22,.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(47,230,222,.4);
  border-radius: 12px;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}
.advantage-visual .float-tag i { color: var(--accent); }
.advantage-list { display: flex; flex-direction: column; gap: 24px; }
.advantage-item {
  display: flex;
  gap: 18px;
  padding: 16px;
  border-radius: var(--radius-md);
  transition: all .25s;
}
.advantage-item:hover { background: rgba(124,92,255,.05); }
.advantage-item .a-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: rgba(124,92,255,.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
}
.advantage-item .a-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}
.advantage-item .a-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Reviews Carousel ===== */
.review-section { background: var(--bg-tertiary); }
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all .3s ease;
}
.review-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 60px;
  background: var(--accent);
  border-radius: 0 0 4px 0;
}
.review-card:hover {
  border-color: rgba(124,92,255,.4);
  box-shadow: var(--shadow-hover);
}
.review-stars {
  display: flex;
  gap: 4px;
  color: var(--cta);
  font-size: 14px;
  margin-bottom: 16px;
}
.review-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  min-height: 72px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
}
.review-user .avatar {
  width: 36px; height: 36px;
  background: rgba(124,92,255,.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--primary);
  font-weight: 700;
}
.review-user .meta .name { font-size: 14px; font-weight: 600; color: var(--text-main); }
.review-user .meta .time { font-size: 12px; color: var(--text-weak); }
.carousel-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 36px;
}
.carousel-arrow {
  width: 44px; height: 44px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--card-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all .25s;
}
.carousel-arrow:hover { background: rgba(124,92,255,.2); border-color: var(--primary); color: var(--primary); }
.carousel-dots { display: flex; gap: 8px; }
.carousel-dots .dot {
  width: 8px; height: 8px;
  background: #4A5560;
  border-radius: 8px;
  transition: all .3s;
  cursor: pointer;
}
.carousel-dots .dot.active { width: 24px; background: var(--primary); }

/* ===== CMS News List ===== */
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all .3s;
  min-height: 104px;
}
.news-card:hover {
  background: #1D242E;
  border-color: var(--card-border);
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
}
.news-card .news-left { flex: 1; min-width: 0; }
.news-cat {
  display: inline-block;
  font-size: 12px;
  color: var(--primary);
  background: rgba(124,92,255,.12);
  padding: 2px 12px;
  border-radius: 20px;
  border: 1px solid rgba(124,92,255,.3);
  margin-bottom: 8px;
}
.news-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  line-height: 1.4;
}
.news-card a { color: inherit; }
.news-card a:hover .news-title { color: var(--primary); }
.news-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.news-meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--text-weak);
}
.news-meta i { margin-right: 4px; font-size: 11px; }
.news-thumb {
  flex-shrink: 0;
  width: 144px; height: 96px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--card-border);
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.empty-news {
  border: 1px dashed var(--card-border);
  border-radius: var(--radius-md);
  padding: 60px;
  text-align: center;
  color: var(--text-weak);
  font-size: 15px;
}
.empty-news i { font-size: 32px; display: block; margin-bottom: 12px; color: var(--card-border); }

/* ===== Trust Badge ===== */
.trust-badge-strip {
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  padding: 40px 0;
  background: var(--bg-secondary);
}
.trust-badge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.trust-badge-item { text-align: center; }
.trust-badge-item .tbi-icon {
  width: 56px; height: 56px;
  background: rgba(47,230,222,.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 22px;
  color: var(--accent);
}
.trust-badge-item h4 { font-size: 16px; font-weight: 700; color: var(--text-main); margin-bottom: 6px; }
.trust-badge-item p { font-size: 13px; color: var(--text-weak); }

/* ===== CTA Banner ===== */
.cta-banner {
  position: relative;
  background-image: linear-gradient(to bottom, rgba(14,17,22,.75), rgba(14,17,22,.85)), url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 120px 0;
  text-align: center;
}
.cta-banner h2 {
  font-size: 42px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta-banner h2 em { color: var(--accent); font-style: normal; }
.cta-banner p { font-size: 17px; color: var(--text-secondary); margin-bottom: 36px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-banner .cta-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-white-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(255,255,255,.5);
  font-size: 16px;
  font-weight: 600;
  padding: 13px 32px;
  border-radius: 10px;
  transition: all .25s;
}
.btn-white-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,.1);
  color: #fff;
  transform: translate(-1px,-1px);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--card-border);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; max-width: 360px; }
.footer-links h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 20px;
}
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul li a { font-size: 14px; color: var(--text-secondary); transition: color .25s; }
.footer-links ul li a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--card-border);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-weak);
}
.footer-bottom a { color: var(--text-secondary); }

/* ===== Back to Top ===== */
.back-top {
  position: fixed;
  bottom: 40px; right: 40px;
  width: 48px; height: 48px;
  background: rgba(124,92,255,.15);
  border: 1px solid rgba(124,92,255,.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 18px;
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transition: all .3s;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: rgba(124,92,255,.3); color: var(--primary-hover); }
.back-top:focus { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ===== Accessibility ===== */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .game-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: 42px; }
  .advantage-grid { grid-template-columns: 1fr; gap: 40px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .trust-item:nth-child(2) { border-right: none; }
  .trust-item:nth-child(n+3) { border-top: 1px solid rgba(38,47,59,.5); }
  .trust-badge-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-search .search-box { width: 160px; }
}

@media (max-width: 840px) {
  .nav-menu { display: none; }
  .nav-search { display: none; }
  .btn-nav-cta { display: none; }
  .hamburger { display: flex; }
  .section { padding: 72px 0; }
  .section-head h2 { font-size: 30px; }
  .cta-banner h2 { font-size: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .hero { padding: 140px 0 80px; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 15px; }
  .btn-primary, .btn-outline { padding: 12px 24px; font-size: 14px; }
  .game-grid { grid-template-columns: 1fr; gap: 16px; }
  .review-grid { grid-template-columns: 1fr; }
  .news-card { flex-direction: column; padding: 16px; }
  .news-thumb { width: 100%; height: 120px; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-item { padding: 12px; }
  .trust-item .t-num { font-size: 26px; }
  .trust-badge-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-banner { padding: 80px 0; }
  .back-top { bottom: 20px; right: 20px; width: 40px; height: 40px; font-size: 14px; }
  .hero-visual .main-cover img { aspect-ratio: 4/3; }
  .section-head { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* roulang page: category1 */
:root {
  --bg-dark: #0E1116;
  --bg-secondary: #151A22;
  --bg-tertiary: #0B0E13;
  --bg-card: #1A2029;
  --border-color: #262F3B;
  --primary: #7C5CFF;
  --primary-soft: rgba(124, 92, 255, .12);
  --secondary: #2FE6DE;
  --accent: #FF9F2E;
  --accent-hover: #FFB054;
  --text-main: #E9EDF2;
  --text-secondary: #9AA6B4;
  --text-weak: #6B7684;
  --radius-large: 24px;
  --radius-card: 24px;
  --radius-control: 12px;
  --radius-tag: 8px;
  --radius-btn: 10px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, .35);
  --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, .5), 0 0 0 1px rgba(124, 92, 255, .4);
  --transition: all .25s ease;
  --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.75;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s ease; }
a:hover { color: var(--primary); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-space { padding: 96px 0; }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(14, 17, 22, .72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: var(--bg-dark);
  border-bottom-color: var(--border-color);
  box-shadow: 0 4px 24px rgba(0, 0, 0, .45);
}
.nav-wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 74px;
  position: relative;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-badge {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(124, 92, 255, .35), rgba(124, 92, 255, .08));
  border: 1px solid rgba(124, 92, 255, .45);
  color: var(--secondary);
  font-size: 16px;
}
.logo-text {
  font-size: 21px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: .5px;
}
.logo-text span {
  color: var(--primary);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: 12px;
}
.nav-menu li { position: relative; }
.nav-menu a {
  position: relative;
  display: inline-block;
  padding: 8px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
}
.nav-menu a:hover {
  color: var(--primary);
}
.nav-menu a.active {
  color: var(--text-main);
  font-weight: 600;
}
.nav-menu a.active::after,
.nav-menu a:hover::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  border-radius: 2px;
  background: var(--primary);
}
.nav-search {
  margin-left: auto;
  flex-shrink: 0;
}
.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0 12px;
  transition: border-color .25s ease;
}
.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(124, 92, 255, .2);
}
.search-box input {
  width: 180px;
  height: 38px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 14px;
}
.search-box input::placeholder { color: var(--text-weak); }
.search-icon {
  color: var(--text-weak);
  font-size: 14px;
}
.btn-nav-cta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--bg-dark);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  transition: var(--transition);
}
.btn-nav-cta:hover {
  background: var(--accent-hover);
  color: var(--bg-dark);
  transform: translate(-1px, -1px);
  box-shadow: 0 8px 20px rgba(255, 159, 46, .3);
}
.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 17px;
  transition: var(--transition);
}
.hamburger:hover { border-color: var(--primary); color: var(--primary); }

/* 移动端导航抽屉 */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--bg-dark);
  z-index: 1002;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  transform: translateX(100%);
  transition: transform .35s ease;
  overflow-y: auto;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-close {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-nav-close:hover { color: var(--primary); border-color: var(--primary); }
.mobile-nav .mobile-nav-logo {
  margin-top: 64px;
  margin-bottom: 8px;
}
.mobile-nav ul {
  display: flex;
  flex-direction: column;
}
.mobile-nav ul li { border-bottom: 1px solid var(--border-color); }
.mobile-nav ul a {
  display: block;
  padding: 16px 0;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-main);
}
.mobile-nav ul a.active { color: var(--primary); }
.mobile-nav .search-box { margin-bottom: 16px; }
.mobile-nav .search-box input { width: 100%; }
.mobile-nav .btn-nav-cta {
  justify-content: center;
  padding: 14px 24px;
  font-size: 16px;
}

/* ===== Hero ===== */
.page-hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 180px 0 96px;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 17, 22, .86) 0%, rgba(14, 17, 22, .72) 55%, rgba(14, 17, 22, .95) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 28px;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--text-weak); opacity: .6; }
.breadcrumb .current { color: var(--text-secondary); }
.page-hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.page-hero h1 span { color: var(--primary); }
.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--bg-dark);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  transition: var(--transition);
  border: 1px solid transparent;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--bg-dark);
  transform: translate(-1px, -1px);
  box-shadow: 0 10px 28px rgba(255, 159, 46, .3);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--primary);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--primary);
  transition: var(--transition);
}
.btn-ghost:hover {
  background: var(--primary-soft);
  color: var(--primary);
}
.btn-ghost:active { transform: translateY(1px); }
.hero-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
}
.hero-tags .dot {
  width: 3px;
  height: 3px;
  background: var(--text-weak);
  border-radius: 50%;
  display: inline-block;
  margin: 0 4px;
}

/* ===== 筛选标签 ===== */
.filter-section {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 28px 0;
}
.filter-tabs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.filter-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
  cursor: pointer;
}
.filter-tag:hover {
  color: var(--primary);
  border-color: rgba(124, 92, 255, .4);
  background: var(--primary-soft);
}
.filter-tag.active {
  color: #fff;
  border-color: var(--primary);
  background: rgba(124, 92, 255, .25);
  font-weight: 600;
}
.filter-count {
  margin-left: auto;
  font-size: 13px;
  color: var(--text-weak);
}

/* ===== 游戏网格 ===== */
.games-section {
  background: var(--bg-dark);
  padding: 96px 0 108px;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 16px;
}
.section-head h2 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.2;
}
.section-head h2 span {
  color: var(--primary);
}
.section-head .section-more {
  font-size: 14px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.section-head .section-more:hover {
  color: var(--primary);
  gap: 10px;
}
.games-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.game-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: block;
}
.game-card:hover {
  border-color: rgba(124, 92, 255, .5);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}
.game-cover {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.game-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.game-card:hover .game-cover img {
  transform: scale(1.05);
}
.game-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10, 13, 18, .55) 100%);
  pointer-events: none;
}
.rank-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(10, 13, 18, .78);
  border: 1px solid rgba(47, 230, 222, .35);
  color: var(--secondary);
  font-size: 13px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  letter-spacing: .5px;
}
.game-type-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  background: rgba(124, 92, 255, .22);
  border: 1px solid rgba(124, 92, 255, .35);
  color: #c4b8ff;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 12px;
  border-radius: var(--radius-tag);
}
.game-info {
  padding: 20px 20px 18px;
}
.game-info h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  transition: color .2s ease;
}
.game-card:hover .game-info h3 { color: var(--primary); }
.game-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 12px;
}
.heat-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.heat-label {
  font-size: 12px;
  color: var(--text-weak);
  white-space: nowrap;
}
.heat-track {
  flex: 1;
  height: 5px;
  border-radius: 4px;
  background: #2A3441;
  overflow: hidden;
}
.heat-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  display: block;
}
.heat-val {
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary);
  white-space: nowrap;
}

/* ===== 平台优势 ===== */
.advantage-section {
  background: var(--bg-secondary);
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}
.advantage-section::before {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  right: -120px;
  top: 50%;
  transform: translateY(-50%);
  background: radial-gradient(circle, rgba(124, 92, 255, .08) 0%, transparent 70%);
  pointer-events: none;
}
.advantage-wrap {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
}
.advantage-media {
  position: relative;
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.advantage-media img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.float-badge {
  position: absolute;
  left: 24px;
  bottom: 24px;
  background: rgba(14, 17, 22, .85);
  border: 1px solid rgba(47, 230, 222, .3);
  color: var(--secondary);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 30px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(6px);
}
.advantage-content h2 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 40px;
}
.advantage-content h2 span { color: var(--primary); }
.adv-list { display: flex; flex-direction: column; gap: 28px; }
.adv-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.adv-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(124, 92, 255, .12);
  color: var(--primary);
  font-size: 17px;
  transition: var(--transition);
}
.adv-item:hover .adv-icon {
  background: rgba(124, 92, 255, .25);
  transform: scale(1.05);
}
.adv-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}
.adv-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== 数据信任条 ===== */
.stats-section {
  background: var(--bg-tertiary);
  padding: 72px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 8px 12px;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 48px;
  background: var(--border-color);
}
.stat-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(124, 92, 255, .1);
  color: var(--secondary);
  font-size: 17px;
}
.stat-num {
  font-size: 38px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
  font-feature-settings: "tnum";
}
.stat-num em {
  font-style: normal;
  color: var(--primary);
  font-size: 22px;
  margin-left: 2px;
}
.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-dark);
  padding: 96px 0;
}
.faq-section .section-head {
  justify-content: center;
  text-align: center;
}
.faq-shell {
  max-width: 860px;
  margin: 0 auto;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-control);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(124, 92, 255, .4);
}
.faq-item.open {
  border-color: rgba(124, 92, 255, .55);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .22);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  transition: var(--transition);
}
.faq-q:hover { color: var(--primary); }
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  transition: transform .3s ease, background .3s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(124, 92, 255, .22);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-item.open .faq-a {
  max-height: 240px;
}
.faq-a-inner {
  padding: 0 24px 22px 66px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== CTA 横幅 ===== */
.cta-banner {
  position: relative;
  padding: 96px 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  text-align: center;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 14, 19, .94), rgba(14, 17, 22, .8), rgba(124, 92, 255, .25));
}
.cta-banner .container { position: relative; z-index: 2; }
.cta-banner h2 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
}
.cta-banner h2 span { color: var(--primary); }
.cta-banner .cta-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-cta-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .7);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  transition: var(--transition);
}
.btn-cta-white:hover {
  background: rgba(255, 255, 255, .1);
  color: #fff;
  border-color: #fff;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer-brand p {
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 360px;
}
.footer-links h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text-main);
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: 22px 0;
  font-size: 13px;
  color: var(--text-weak);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom a {
  color: var(--text-weak);
}
.footer-bottom a:hover {
  color: var(--primary);
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .nav-menu { gap: 20px; margin-left: 4px; }
  .nav-search .search-box input { width: 130px; }
  .games-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-wrap { gap: 40px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .stat-item:nth-child(2)::after { display: none; }
}
@media screen and (max-width: 820px) {
  .nav-menu,
  .nav-search,
  .btn-nav-cta { display: none; }
  .hamburger { display: flex; }
  .container { padding: 0 20px; }
  .page-hero { padding: 140px 0 80px; }
  .page-hero h1 { font-size: 42px; }
  .section-space { padding: 64px 0; }
  .games-section { padding: 64px 0 72px; }
  .advantage-section { padding: 64px 0; }
  .faq-section { padding: 64px 0; }
  .advantage-wrap { grid-template-columns: 1fr; gap: 32px; }
  .advantage-media img { aspect-ratio: 16/10; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media screen and (max-width: 640px) {
  .nav-wrap { height: 64px; }
  .logo-text { font-size: 18px; }
  .logo-badge { width: 34px; height: 34px; }
  .page-hero { min-height: 460px; padding: 120px 0 64px; }
  .page-hero h1 { font-size: 32px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn-primary,
  .btn-ghost { justify-content: center; }
  .games-grid { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .section-head h2 { font-size: 28px; }
  .filter-tabs { gap: 8px; }
  .filter-tag { padding: 7px 16px; font-size: 13px; }
  .filter-count { margin-left: 0; width: 100%; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .stat-num { font-size: 30px; }
  .cta-banner h2 { font-size: 28px; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .btn-cta-white { justify-content: center; }
  .faq-a-inner { padding-left: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: article */
:root {
  --bg-primary:#0E1116;
  --bg-secondary:#151A22;
  --bg-tertiary:#0B0E13;
  --card-bg:#1A2029;
  --card-border:#262F3B;
  --accent:#7C5CFF;
  --accent-hover:#a08aff;
  --accent-secondary:#2FE6DE;
  --cta:#FF9F2E;
  --cta-hover:#ffb158;
  --text-primary:#E9EDF2;
  --text-secondary:#9AA6B4;
  --text-weak:#6B7684;
  --radius-lg:24px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 12px 32px rgba(0,0,0,.5),0 0 0 1px rgba(124,92,255,.4);
  --transition:.25s ease;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg-primary);
  color:var(--text-primary);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:var(--accent);transition:color .2s}
a:hover{color:var(--accent-hover)}
button,input,select,textarea{font-family:inherit}
ul,ol{padding:0;margin:0}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ========== Header ========== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(14,17,22,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s;
}
.site-header.scrolled{
  background:var(--bg-primary);
  border-bottom-color:var(--card-border);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text-primary);
  flex-shrink:0;
}
.logo-badge{
  width:42px;height:42px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--accent),#4a3f9e);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  color:#fff;
  box-shadow:0 4px 16px rgba(124,92,255,.35);
}
.logo-text{
  font-size:22px;
  font-weight:800;
  letter-spacing:.5px;
  line-height:1.2;
}
.logo-text span{color:var(--accent)}
.nav-menu{
  list-style:none;
  display:flex;
  gap:4px;
  margin:0;
  flex:1;
  justify-content:flex-start;
}
.nav-menu li a{
  display:block;
  padding:10px 14px;
  color:var(--text-secondary);
  font-size:15px;
  font-weight:500;
  position:relative;
  border-radius:8px;
  transition:color .2s;
}
.nav-menu li a::after{
  content:'';
  position:absolute;
  left:50%;bottom:4px;
  width:0;height:2px;
  background:var(--accent);
  transform:translateX(-50%);
  transition:width .3s;
}
.nav-menu li a:hover{color:var(--accent)}
.nav-menu li a:hover::after{width:24px}
.nav-menu li a.active{color:var(--accent)}
.nav-menu li a.active::after{width:24px}
.nav-search{
  margin-left:auto;
  display:block;
}
.search-box{
  display:flex;
  align-items:center;
  background:var(--card-bg);
  border:1px solid var(--card-border);
  border-radius:10px;
  padding:6px 14px;
  transition:border-color .2s,box-shadow .2s;
}
.search-box:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 2px rgba(124,92,255,.25);
}
.search-box input{
  background:none;
  border:none;
  outline:none;
  color:var(--text-primary);
  width:150px;
  font-size:14px;
}
.search-box input::placeholder{color:var(--text-weak)}
.search-icon{color:var(--text-weak);font-size:14px}
.btn-nav-cta{
  background:var(--cta);
  color:#0E1116;
  font-weight:700;
  font-size:14px;
  padding:11px 20px;
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:background .2s,transform .2s,box-shadow .2s;
  white-space:nowrap;
  box-shadow:0 4px 16px rgba(255,159,46,.25);
}
.btn-nav-cta:hover{
  background:var(--cta-hover);
  color:#0E1116;
  transform:translateY(-1px) translateX(1px);
  box-shadow:0 6px 20px rgba(255,159,46,.35);
}
.hamburger{
  display:none;
  background:none;
  border:1px solid var(--card-border);
  color:var(--text-primary);
  font-size:20px;
  width:44px;height:44px;
  border-radius:10px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:background .2s,border-color .2s;
}
.hamburger:hover{background:var(--card-bg);border-color:var(--accent)}

/* ========== 面包屑 ========== */
.breadcrumb-wrap{
  background:var(--bg-tertiary);
  border-bottom:1px solid var(--card-border);
  padding:16px 0;
  margin-top:72px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:var(--text-weak);
}
.breadcrumb a{color:var(--text-secondary)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--text-weak);opacity:.6}
.breadcrumb .current{color:var(--text-secondary);max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ========== 文章区 ========== */
.article-section{
  padding:64px 0 48px;
  background:var(--bg-primary);
  background-image:radial-gradient(ellipse at 50% 0%,rgba(124,92,255,.08),transparent 60%);
}
.article-header{
  max-width:780px;
  margin:0 auto 48px;
  text-align:center;
  padding:0 16px;
}
.article-header h1{
  font-size:44px;
  line-height:1.3;
  margin:16px 0 24px;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--text-primary);
  text-wrap:balance;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:16px 20px;
  font-size:14px;
  color:var(--text-secondary);
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.meta-item i{color:var(--accent-secondary);font-size:13px}
.article-tag{
  background:rgba(124,92,255,.12);
  color:var(--accent);
  border:1px solid rgba(124,92,255,.35);
  padding:3px 12px;
  border-radius:8px;
  font-size:13px;
  font-weight:600;
}

.article-body{
  max-width:720px;
  margin:0 auto;
  padding:0 20px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-secondary);
}
.article-body > *:not(:last-child){margin-bottom:24px}
.article-body h2{
  color:var(--text-primary);
  font-size:28px;
  font-weight:700;
  margin:40px 0 20px;
  letter-spacing:.3px;
}
.article-body h3{
  color:var(--text-primary);
  font-size:22px;
  font-weight:600;
  margin:32px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--accent);
  line-height:1.4;
}
.article-body p{
  color:var(--text-secondary);
  line-height:1.9;
}
.article-body blockquote{
  border-left:4px solid var(--accent-secondary);
  background:rgba(47,230,222,.06);
  padding:16px 22px;
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--text-primary);
  margin:0;
}
.article-body img{
  border-radius:16px;
  aspect-ratio:16/9;
  object-fit:cover;
  width:100%;
  margin:28px 0;
  box-shadow:var(--shadow-card);
}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent-hover)}
.article-body ul,.article-body ol{padding-left:24px;margin:0}
.article-body li{margin-bottom:8px;color:var(--text-secondary)}
.article-body strong,.article-body b{color:var(--text-primary);font-weight:600}
.article-body table{
  width:100%;
  background:var(--card-bg);
  border:1px solid var(--card-border);
  border-radius:12px;
  border-collapse:separate;
  border-spacing:0;
  overflow:hidden;
}
.article-body th{
  background:rgba(124,92,255,.12);
  color:var(--text-primary);
  padding:14px 18px;
  font-weight:600;
  font-size:14px;
}
.article-body td{
  padding:12px 18px;
  border-top:1px solid var(--card-border);
  font-size:14px;
}
.article-body hr{
  border:none;
  height:1px;
  background:var(--card-border);
  margin:40px 0;
}

/* ========== 内容未找到 ========== */
.content-not-found{
  max-width:720px;
  margin:0 auto;
  text-align:center;
  padding:70px 40px;
  background:var(--card-bg);
  border:1px solid var(--card-border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
}
.content-not-found h2{
  font-size:28px;
  margin-bottom:12px;
  color:var(--text-primary);
}
.content-not-found p{
  color:var(--text-secondary);
  margin-bottom:28px;
  font-size:15px;
}

/* ========== 相关推荐 ========== */
.related-section{
  padding:64px 0;
  background:var(--bg-secondary);
}
.related-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:36px;
  flex-wrap:wrap;
  gap:12px;
}
.related-header h2{
  font-size:32px;
  font-weight:800;
  margin:0;
}
.related-header .related-link{
  font-size:14px;
  color:var(--text-secondary);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.related-header .related-link:hover{color:var(--accent)}
.related-card{
  display:block;
  background:var(--card-bg);
  border:1px solid var(--card-border);
  border-radius:20px;
  overflow:hidden;
  height:100%;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--accent);
}
.related-thumb{
  aspect-ratio:16/9;
  overflow:hidden;
  position:relative;
}
.related-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s;
}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-info{padding:20px 22px}
.related-info h3{
  font-size:16px;
  color:var(--text-primary);
  margin:0 0 12px;
  line-height:1.5;
  font-weight:600;
  transition:color .2s;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-card:hover .related-info h3{color:var(--accent)}
.related-date{
  font-size:13px;
  color:var(--text-weak);
  display:inline-flex;
  align-items:center;
  gap:6px;
}

/* ========== CTA 区 ========== */
.article-cta{
  padding:64px 0 96px;
  text-align:center;
  background:var(--bg-primary);
  position:relative;
}
.article-cta::before{
  content:'';
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:80%;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--card-border),transparent);
}
.cta-buttons{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  padding:14px 32px;
  border-radius:10px;
  transition:all .25s;
  cursor:pointer;
  border:none;
  line-height:1.6;
  text-decoration:none;
}
.btn-primary{
  background:var(--cta);
  color:#0E1116;
  box-shadow:0 4px 20px rgba(255,159,46,.25);
}
.btn-primary:hover{
  background:var(--cta-hover);
  color:#0E1116;
  transform:translate(1px,-1px);
  box-shadow:0 8px 28px rgba(255,159,46,.35);
}
.btn-secondary{
  background:transparent;
  color:var(--accent);
  border:1px solid var(--accent);
}
.btn-secondary:hover{
  background:rgba(124,92,255,.12);
  color:var(--accent-hover);
  border-color:var(--accent-hover);
}

/* ========== Footer ========== */
.site-footer{
  background:var(--bg-tertiary);
  border-top:1px solid var(--card-border);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{
  color:var(--text-secondary);
  font-size:14px;
  max-width:340px;
  line-height:1.8;
  margin-bottom:0;
}
.footer-links h4{
  font-size:15px;
  font-weight:700;
  color:var(--text-primary);
  margin-bottom:16px;
}
.footer-links ul{
  list-style:none;
}
.footer-links ul li{margin-bottom:10px}
.footer-links ul a{
  color:var(--text-secondary);
  font-size:14px;
  position:relative;
  padding-left:0;
  transition:padding-left .2s,color .2s;
}
.footer-links ul a:hover{
  color:var(--accent);
  padding-left:6px;
}
.footer-bottom{
  border-top:1px solid var(--card-border);
  padding:20px 0;
  text-align:center;
  color:var(--text-weak);
  font-size:13px;
}
.footer-bottom a{
  color:var(--text-weak);
  transition:color .2s;
}
.footer-bottom a:hover{color:var(--accent)}

/* ========== 滚动条 ========== */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-primary)}
::-webkit-scrollbar-thumb{background:var(--card-border);border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

/* ========== 响应式 ========== */
@media (max-width:63.9375em){
  .nav-menu{
    position:fixed;
    top:0;left:0;
    width:100%;height:100%;
    background:rgba(14,17,22,.97);
    backdrop-filter:blur(16px);
    flex-direction:column;
    justify-content:center;
    align-items:center;
    padding:60px 24px;
    margin:0;
    z-index:200;
    transform:translateX(100%);
    transition:transform .35s ease;
    display:flex;
    gap:4px;
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-menu li{margin:4px 0}
  .nav-menu li a{
    font-size:20px;
    padding:12px 28px;
    color:var(--text-primary);
  }
  .nav-menu li a::after{display:none}
  .nav-menu li a.active{color:var(--accent)}
  .nav-search{
    display:none;
    margin:0;
  }
  .nav-search.mobile-visible{
    display:block;
    position:fixed;
    top:auto;
    bottom:28%;
    left:50%;
    transform:translateX(-50%);
    z-index:201;
  }
  .search-box input{width:180px}
  .btn-nav-cta{
    display:none;
  }
  .btn-nav-cta.mobile-visible{
    display:inline-flex;
    position:fixed;
    top:auto;
    bottom:20%;
    left:50%;
    transform:translateX(-50%);
    z-index:201;
  }
  .hamburger{
    display:inline-flex;
    margin-left:auto;
    z-index:210;
  }
  .article-header h1{
    font-size:32px;
  }
  .article-body{
    font-size:15px;
  }
  .article-body p{
    line-height:1.85;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:36px;
  }
  .footer-brand p{max-width:100%}
}

@media (max-width:40em){
  .logo-text{font-size:19px}
  .nav-wrap{height:64px;gap:12px}
  .breadcrumb-wrap{margin-top:64px}
  .article-section{padding:48px 0 32px}
  .article-header h1{
    font-size:28px;
    line-height:1.35;
  }
  .article-meta{
    gap:10px 14px;
    font-size:13px;
  }
  .article-body{
    padding:0 16px;
    font-size:14px;
  }
  .article-body h2{font-size:24px}
  .article-body h3{font-size:19px}
  .content-not-found{
    padding:48px 24px;
  }
  .related-section{padding:48px 0}
  .related-header h2{font-size:26px}
  .article-cta{
    padding:48px 0 64px;
  }
  .cta-buttons .btn{
    width:100%;
    justify-content:center;
  }
}

/* roulang page: category2 */
:root {
  --bg-dark: #0E1116;
  --bg-secondary: #151A22;
  --bg-deeper: #0B0E13;
  --card-bg: #1A2029;
  --card-border: #262F3B;
  --purple: #7C5CFF;
  --cyan: #2FE6DE;
  --amber: #FF9F2E;
  --text-main: #E9EDF2;
  --text-secondary: #9AA6B4;
  --text-muted: #6B7684;
  --radius-lg: 24px;
  --radius-sm: 12px;
  --radius-btn: 10px;
  --radius-tag: 8px;
  --shadow-card: 0 8px 24px rgba(0,0,0,.35);
  --shadow-hover: 0 12px 32px rgba(0,0,0,.5);
  --transition-fast: .2s ease;
  --transition-slow: .35s ease;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-dark);
  color: var(--text-main);
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--text-main); text-decoration: none; transition: color var(--transition-fast); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; outline: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.row { max-width: none; }
.section { padding: 96px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--purple);
  background: rgba(124, 92, 255, .12);
  border: 1px solid rgba(124, 92, 255, .25);
  padding: 5px 16px;
  border-radius: 999px;
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 34px;
  line-height: 1.2;
  margin-bottom: 14px;
  font-weight: 700;
  letter-spacing: .5px;
}
.section-head h2 span { color: var(--purple); }
.section-head p { color: var(--text-secondary); font-size: 16px; }

/* ================= Buttons ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  line-height: 1.4;
  text-align: center;
}
.btn i { font-size: 14px; }
.btn-primary {
  background: var(--amber);
  color: #0E1116;
  border-color: var(--amber);
}
.btn-primary:hover {
  background: #FFB04A;
  border-color: #FFB04A;
  transform: translate(-1px, -1px);
  box-shadow: 0 8px 24px rgba(255, 159, 46, .3);
  color: #0E1116;
}
.btn-primary:active { transform: translateY(1px); box-shadow: none; }
.btn-outline {
  background: transparent;
  color: var(--purple);
  border: 1px solid var(--purple);
}
.btn-outline:hover {
  background: rgba(124, 92, 255, .12);
  color: var(--purple);
  transform: translate(-1px, -1px);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.55);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: #fff;
}
.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--amber);
  color: #0E1116;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  border: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.btn-nav-cta:hover {
  background: #FFB04A;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 159, 46, .3);
  color: #0E1116;
}
.btn-nav-cta i { font-size: 12px; }

/* ================= Header ================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(14, 17, 22, .55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background var(--transition-slow), border-color var(--transition-slow), box-shadow var(--transition-slow);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(14, 17, 22, .96);
  border-bottom-color: var(--card-border);
  box-shadow: 0 4px 24px rgba(0,0,0,.5);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(124,92,255,.9), rgba(47,230,222,.35));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 0 18px rgba(124, 92, 255, .35);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 1px;
}
.logo-text span { color: var(--purple); }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0;
}
.nav-menu li { margin: 0; }
.nav-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 4px;
  position: relative;
  transition: color var(--transition-fast);
}
.nav-menu a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--purple);
  transform: translateX(-50%);
  transition: width var(--transition-fast);
}
.nav-menu a:hover { color: var(--purple); }
.nav-menu a:hover::after { width: 24px; }
.nav-menu a.active { color: var(--purple); font-weight: 600; }
.nav-menu a.active::after { width: 24px; }
.nav-search { flex-shrink: 0; }
.search-box {
  display: flex;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 0 8px 0 16px;
  height: 38px;
  width: 200px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.search-box:focus-within {
  border-color: var(--purple);
  box-shadow: 0 0 0 2px rgba(124, 92, 255, .25);
}
.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 13px;
  width: 100%;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-icon { color: var(--text-muted); font-size: 13px; padding: 0 6px; }
.hamburger {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 22px;
  padding: 6px 8px;
  border-radius: 8px;
  transition: color var(--transition-fast);
}
.hamburger:hover { color: var(--purple); }
.hamburger:focus { outline: 2px solid var(--purple); outline-offset: 2px; }

/* ================= Page Hero ================= */
.page-hero {
  position: relative;
  padding: 190px 0 90px;
  background: var(--bg-deeper);
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .48;
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14,17,22,.82) 0%, rgba(14,17,22,.68) 50%, rgba(11,14,19,.96) 100%);
}
.page-hero-content { position: relative; z-index: 2; text-align: center; max-width: 820px; }
.page-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.page-breadcrumb a { color: var(--text-secondary); }
.page-breadcrumb a:hover { color: var(--purple); }
.breadcrumb-sep { color: var(--text-muted); }
.page-hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 2px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 30%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.page-hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-tags {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-tags li {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-muted);
}
.hero-tags li i { color: var(--cyan); font-size: 14px; }

/* ================= Features ================= */
.why-section { background: var(--bg-dark); }
.features-grid { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.feature-item {
  padding: 0 12px;
  margin-bottom: 28px;
}
.feature-item-inner {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  height: 100%;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.feature-item-inner:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 92, 255, .55);
  box-shadow: var(--shadow-hover), 0 0 0 1px rgba(124, 92, 255, .3);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(124, 92, 255, .15);
  color: var(--purple);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
  border: 1px solid rgba(124, 92, 255, .2);
  transition: background var(--transition-fast);
}
.feature-item-inner:hover .feature-icon {
  background: rgba(124, 92, 255, .25);
}
.feature-text h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.feature-text p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ================= Guide Categories ================= */
.cats-section { background: var(--bg-secondary); position: relative; }
.cats-section::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 80%;
  max-width: 900px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124,92,255,.4), rgba(47,230,222,.4), transparent);
}
.cats-grid { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.cat-card-wrap { padding: 0 12px; margin-bottom: 24px; }
.cat-card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.cat-card:hover {
  transform: translateY(-5px);
  border-color: rgba(124, 92, 255, .55);
  box-shadow: var(--shadow-hover), 0 0 0 1px rgba(124, 92, 255, .3);
}
.cat-card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.cat-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.cat-card:hover .cat-card-media img { transform: scale(1.05); }
.cat-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,14,19,0) 45%, rgba(11,14,19,.7) 100%);
}
.cat-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  font-size: 12px;
  color: var(--cyan);
  background: rgba(11, 14, 19, .78);
  border: 1px solid rgba(47, 230, 222, .3);
  padding: 3px 12px;
  border-radius: 999px;
  letter-spacing: 1px;
}
.cat-card-body { padding: 20px 22px 24px; }
.cat-card-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
}
.cat-card:hover .cat-card-body h3 { color: var(--purple); }
.cat-card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ================= Scenarios ================= */
.scenario-section { background: var(--bg-dark); }
.scenarios-row { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.scenario-card-wrap { padding: 0 12px; margin-bottom: 24px; }
.scenario-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.scenario-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 230, 222, .4);
  box-shadow: var(--shadow-hover);
}
.scenario-num {
  font-size: 42px;
  font-weight: 800;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: rgba(47, 230, 222, .25);
  line-height: 1;
  margin-bottom: 16px;
  transition: color var(--transition-fast);
}
.scenario-card:hover .scenario-num { color: rgba(47, 230, 222, .75); }
.scenario-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}
.scenario-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.scenario-card .scenario-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  color: var(--purple);
  font-weight: 500;
}
.scenario-card .scenario-link i { font-size: 12px; margin-left: 4px; transition: transform var(--transition-fast); }
.scenario-card:hover .scenario-link i { transform: translateX(3px); }

/* ================= Process ================= */
.process-section { background: var(--bg-secondary); position: relative; }
.process-section::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 80%;
  max-width: 900px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(47,230,222,.35), transparent);
}
.process-steps {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.process-step {
  flex: 1 1 220px;
  max-width: 260px;
  text-align: center;
  padding: 32px 18px 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.process-step:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 92, 255, .5);
}
.process-num {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(124, 92, 255, .15);
  border: 1px solid rgba(124, 92, 255, .35);
  color: var(--purple);
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.process-step h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.process-step p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
}
.process-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(124, 92, 255, .35);
  font-size: 20px;
  margin-bottom: -8px;
  flex: 0 0 16px;
}
@media (max-width: 960px) {
  .process-arrow { display: none; }
}

/* ================= FAQ ================= */
.faq-section { background: var(--bg-dark); }
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.faq-item:hover { border-color: rgba(124, 92, 255, .3); }
.faq-item.active {
  border-color: rgba(124, 92, 255, .55);
  box-shadow: 0 0 0 1px rgba(124, 92, 255, .2);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: transparent;
  border: none;
  padding: 20px 24px;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 500;
  text-align: left;
  transition: color var(--transition-fast);
}
.faq-question:hover { color: var(--purple); }
.faq-question .faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--purple);
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: rgba(124, 92, 255, .15);
  color: var(--purple);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-item.active .faq-answer {
  max-height: 320px;
}
.faq-answer p {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ================= CTA Banner ================= */
.cta-banner {
  position: relative;
  padding: 110px 0;
  overflow: hidden;
  background: var(--bg-deeper);
}
.cta-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .4;
}
.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,14,19,.85) 0%, rgba(14,17,22,.65) 100%);
}
.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
}
.cta-content h2 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}
.cta-content h2 span { color: var(--purple); }
.cta-content p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 36px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ================= Footer ================= */
.site-footer {
  background: var(--bg-deeper);
  border-top: 1px solid var(--card-border);
  padding: 72px 0 0;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(38, 47, 59, .7);
}
.footer-brand {
  flex: 2 1 320px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 320px;
  line-height: 1.8;
}
.footer-links {
  flex: 1 1 160px;
}
.footer-links h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul li a {
  font-size: 14px;
  color: var(--text-secondary);
}
.footer-links ul li a:hover { color: var(--purple); }
.footer-bottom {
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-secondary); }
.footer-bottom a:hover { color: var(--purple); }

/* ================= Responsive ================= */
@media (max-width: 64em) {
  .section { padding: 80px 0; }
  .page-hero { padding: 160px 0 70px; }
  .page-hero h1 { font-size: 40px; }
  .cta-content h2 { font-size: 34px; }
  .nav-menu { gap: 20px; }
  .nav-search { display: none; }
}

@media (max-width: 40em) {
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head h2 { font-size: 27px; }
  .section-head p { font-size: 14px; }
  .container { padding: 0 16px; }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(11, 14, 19, .98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 998;
    transition: right var(--transition-slow);
  }
  .nav-open .nav-menu { right: 0; }
  .nav-menu a { font-size: 20px; color: var(--text-main); }
  .nav-menu a.active { color: var(--purple); }
  
  .hamburger { display: block; z-index: 999; position: relative; }
  .nav-wrap { height: 64px; }
  .btn-nav-cta { display: none; }
  
  .page-hero { padding: 130px 0 56px; }
  .page-hero h1 { font-size: 32px; }
  .page-hero-desc { font-size: 15px; }
  .hero-tags { gap: 14px; margin-top: 28px; }
  
  .feature-item, .cat-card-wrap, .scenario-card-wrap { padding: 0 8px; }
  .features-grid, .cats-grid, .scenarios-row { margin: 0 -8px; }
  
  .process-step { flex: 1 1 100%; max-width: none; }
  
  .cta-banner { padding: 72px 0; }
  .cta-content h2 { font-size: 27px; }
  .btn { padding: 12px 22px; font-size: 14px; }
  
  .footer-grid { gap: 32px; padding-bottom: 32px; }
}

@media (max-width: 520px) {
  .page-hero-actions { flex-direction: column; align-items: center; }
  .page-hero-actions .btn { width: 100%; max-width: 260px; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; max-width: 260px; }
}