/* roulang page: index */
:root {
  --bg-primary: #0B1020;
  --bg-secondary: #121829;
  --bg-deep: #0F1524;
  --bg-footer: #070B14;
  --accent: #E8A33D;
  --accent-dark: #1A1206;
  --accent-hover: #F0B554;
  --teal: #4FD1C5;
  --text-primary: #F0ECE3;
  --text-secondary: #9AA5B8;
  --text-muted: #5A6A85;
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(232, 163, 61, 0.2);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-pill: 100px;
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.45);
  --shadow-nav: 0 4px 20px rgba(0, 0, 0, 0.4);
  --font-main: -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-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover {
  color: var(--accent);
}
img {
  max-width: 100%;
  display: block;
}
button,
input {
  font-family: inherit;
}
.container {
  max-width: 1320px;
  padding: 0 24px;
  margin: 0 auto;
}
/* ===== Header ===== */
.site-header {
  background: rgba(11, 16, 32, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-nav);
  z-index: 1050;
}
.header-brand-row {
  padding: 10px 0 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.brand-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  line-height: 1.2;
}
.logo svg {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}
.brand-slogan {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.header-nav-row {
  padding: 6px 0;
}
.navbar {
  padding: 0;
  flex-wrap: nowrap;
}
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
}
.nav-link-custom {
  display: inline-block;
  padding: 8px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-btn);
  transition: all .2s ease;
  position: relative;
}
.nav-link-custom:hover,
.nav-link-custom.active {
  color: var(--accent);
  background: rgba(232, 163, 61, 0.08);
}
.nav-link-custom.active::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-cta-area {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
  flex-wrap: nowrap;
}
.search-group {
  display: flex;
  align-items: center;
  gap: 0;
}
.search-input {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-right: none;
  color: var(--text-primary);
  font-size: 0.875rem;
  padding: 7px 14px;
  border-radius: var(--radius-btn) 0 0 var(--radius-btn);
  width: 180px;
  outline: none;
  transition: border-color .2s ease;
}
.search-input::placeholder {
  color: var(--text-muted);
}
.search-input:focus {
  border-color: var(--accent);
}
.search-btn {
  background: var(--accent);
  color: var(--accent-dark);
  border: 1px solid var(--accent);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
  cursor: pointer;
  transition: background .2s ease, box-shadow .2s ease;
}
.search-btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 12px rgba(232, 163, 61, 0.3);
}
.hot-tags {
  display: flex;
  align-items: center;
  gap: 6px;
}
.hot-tags span {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}
.hot-tags a {
  font-size: 0.75rem;
  color: var(--teal);
  background: rgba(79, 209, 197, 0.08);
  border: 1px solid rgba(79, 209, 197, 0.15);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: all .2s ease;
}
.hot-tags a:hover {
  background: rgba(79, 209, 197, 0.15);
  color: var(--teal);
}
.navbar-toggler {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  border-radius: var(--radius-btn);
  padding: 6px 10px;
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
  display: none;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 2px rgba(232, 163, 61, 0.4);
  outline: none;
}
/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat, var(--bg-primary);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(11, 16, 32, 0.6) 0%, rgba(11, 16, 32, 0.5) 40%, var(--bg-primary) 100%);
  z-index: 1;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(232, 163, 61, 0.08), transparent 60%),
              radial-gradient(ellipse at 80% 70%, rgba(79, 209, 197, 0.06), transparent 50%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 80px 0;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.hero-title span {
  color: var(--accent);
}
.hero-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 580px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: all .2s ease;
  box-shadow: 0 4px 16px rgba(232, 163, 61, 0.25);
}
.btn-primary-custom:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232, 163, 61, 0.35);
}
.btn-primary-custom:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(232, 163, 61, 0.25);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all .2s ease;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: var(--text-muted);
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: color .2s ease;
}
.scroll-hint:hover {
  color: var(--accent);
}
.scroll-hint i {
  font-size: 1.1rem;
  animation: bounceDown 2s infinite;
}
@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}
/* ===== Section base ===== */
.section {
  padding: 80px 0;
}
.section-alt {
  background: var(--bg-secondary);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.section-tag {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 6px;
}
.section-title {
  font-size: 1.875rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  line-height: 1.3;
  margin: 0;
}
.view-all {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .2s ease;
  white-space: nowrap;
}
.view-all:hover {
  color: var(--accent);
}
.view-all i {
  font-size: 0.75rem;
  transition: transform .2s ease;
}
.view-all:hover i {
  transform: translateX(4px);
}
/* ===== Slider ===== */
.slider-section {
  padding: 80px 0 40px;
  background: var(--bg-primary);
}
.slider-wrap {
  position: relative;
  overflow: hidden;
}
.slider-wrap::before,
.slider-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}
.slider-wrap::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-primary), transparent);
}
.slider-wrap::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-primary), transparent);
}
.slider-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 12px 24px 24px;
  scrollbar-width: none;
}
.slider-track::-webkit-scrollbar {
  display: none;
}
.slider-card {
  flex: 0 0 280px;
  width: 280px;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--bg-secondary);
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
  position: relative;
  cursor: pointer;
}
.slider-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover), 0 0 0 1px var(--border-accent);
}
.slider-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
}
.slider-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.slider-card:hover .slider-card-media img {
  transform: scale(1.05);
}
.slider-card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 16, 32, 0.7), transparent 60%);
}
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(232, 163, 61, 0.4);
  z-index: 3;
  opacity: 0;
  transition: opacity .25s ease, transform .25s ease;
  cursor: pointer;
  border: none;
}
.play-btn i {
  color: var(--accent-dark);
  font-size: 1rem;
  margin-left: 3px;
}
.slider-card:hover .play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.play-btn:hover {
  transform: translate(-50%, -50%) scale(1.05);
}
.slider-card-body {
  padding: 16px;
}
.slider-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 8px;
}
.slider-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
}
.star-rating {
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
}
.star-rating i {
  font-size: 0.75rem;
}
.star-rating span {
  font-weight: 600;
}
.type-pill {
  font-size: 0.75rem;
  color: var(--teal);
  background: rgba(79, 209, 197, 0.08);
  border: 1px solid rgba(79, 209, 197, 0.2);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
}
/* ===== Hot Grid ===== */
.hot-section {
  padding: 40px 0 80px;
  background: var(--bg-primary);
}
.hot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.hot-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--bg-secondary);
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
  position: relative;
  cursor: pointer;
}
.hot-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover), 0 0 0 1px var(--border-accent);
}
.hot-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.hot-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.hot-card:hover .hot-card-media img {
  transform: scale(1.05);
}
.hot-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  z-index: 3;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.hot-card-body {
  padding: 14px 16px 16px;
}
.hot-card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 6px;
}
.hot-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}
/* ===== Playlist Section ===== */
.playlist-section {
  padding: 0;
  background: var(--bg-primary);
}
.playlist-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 80px 0;
}
.playlist-block-alt .playlist-media {
  order: 2;
}
.playlist-block-alt .playlist-content {
  order: 1;
}
.playlist-media {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  box-shadow: var(--shadow-card);
}
.playlist-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.playlist-block:hover .playlist-media img {
  transform: scale(1.03);
}
.playlist-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 16, 32, 0.5), transparent);
}
.playlist-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 24px rgba(232, 163, 61, 0.4);
  z-index: 3;
  cursor: pointer;
  border: none;
  transition: transform .25s ease;
}
.playlist-play i {
  color: var(--accent-dark);
  font-size: 1.1rem;
  margin-left: 3px;
}
.playlist-play:hover {
  transform: translate(-50%, -50%) scale(1.06);
}
.playlist-content {
  padding: 0;
}
.playlist-content .playlist-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 8px;
}
.playlist-content h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 14px;
  line-height: 1.3;
}
.playlist-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}
.playlist-stat {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.playlist-stat i {
  color: var(--accent);
}
.playlist-thumbs {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
}
.thumb-card {
  width: 96px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--bg-deep);
  position: relative;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}
.thumb-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.thumb-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 100px 0;
  text-align: center;
  background: var(--bg-secondary);
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 163, 61, 0.12), transparent 70%);
  top: -200px;
  left: 10%;
  animation: floatGlow 8s ease-in-out infinite alternate;
}
.cta-section::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 209, 197, 0.1), transparent 65%);
  bottom: -200px;
  right: 10%;
  animation: floatGlow 10s ease-in-out infinite alternate-reverse;
}
@keyframes floatGlow {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(30px) scale(1.05); }
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
}
.cta-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}
/* ===== News Section ===== */
.news-section {
  padding: 80px 0;
  background: var(--bg-primary);
}
.news-list {
  display: flex;
  flex-direction: column;
}
.news-item {
  display: grid;
  grid-template-columns: 62px 1fr 180px;
  align-items: center;
  gap: 24px;
  padding: 20px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  transition: background .2s ease;
}
.news-item:hover {
  background: rgba(255, 255, 255, 0.02);
}
.news-item:last-child {
  border-bottom: none;
}
.news-date {
  width: 62px;
  flex-shrink: 0;
  background: var(--bg-secondary);
  border-radius: 8px;
  text-align: center;
  padding: 10px 0;
  border: 1px solid var(--border);
  transition: background .2s ease, border-color .2s ease;
}
.news-item:hover .news-date {
  background: var(--accent);
  border-color: var(--accent);
}
.news-date .day {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  transition: color .2s ease;
}
.news-date .month {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color .2s ease;
}
.news-item:hover .news-date .day,
.news-item:hover .news-date .month {
  color: var(--accent-dark);
}
.news-body {
  min-width: 0;
}
.news-body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .2s ease;
}
.news-item:hover .news-body h3 {
  color: var(--accent);
}
.news-body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
  margin: 0;
}
.news-meta {
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 8px;
  justify-content: flex-end;
  text-align: right;
}
.news-cat {
  font-size: 0.75rem;
  color: var(--teal);
  background: rgba(79, 209, 197, 0.08);
  border: 1px solid rgba(79, 209, 197, 0.2);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.news-meta .news-link {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color .2s ease;
}
.news-meta .news-link:hover {
  color: var(--accent);
}
.news-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 0.9375rem;
}
.news-empty i {
  font-size: 40px;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: block;
  opacity: 0.5;
}
/* ===== FAQ ===== */
.faq-section {
  padding: 80px 0;
  background: var(--bg-secondary);
}
.accordion-custom {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.accordion-item-custom {
  background: var(--bg-primary);
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-card) !important;
  overflow: hidden;
  transition: border-color .2s ease;
}
.accordion-item-custom:has(.accordion-button:not(.collapsed)) {
  border-color: var(--border-accent) !important;
}
.accordion-button-custom {
  width: 100%;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: none;
  padding: 20px 20px;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  transition: background .2s ease;
}
.accordion-button-custom:hover {
  background: rgba(255, 255, 255, 0.02);
}
.accordion-button-custom:focus {
  outline: 2px solid rgba(232, 163, 61, 0.3);
  outline-offset: -2px;
}
.accordion-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.8125rem;
  transition: transform .3s ease, background .3s ease, color .3s ease;
}
.accordion-button-custom:not(.collapsed) .accordion-icon {
  transform: rotate(45deg);
  background: var(--accent);
  color: var(--accent-dark);
}
.accordion-body-custom {
  padding: 0 20px 20px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}
/* ===== Footer ===== */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .logo {
  margin-bottom: 14px;
  font-size: 1.2rem;
}
.footer-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color .2s ease;
}
.footer-col ul li a:hover {
  color: var(--accent);
}
.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.footer-contact-list i {
  color: var(--teal);
  font-size: 0.875rem;
  margin-top: 4px;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .navbar-toggler {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .navbar-collapse {
    background: var(--bg-primary);
    border-radius: var(--radius-card);
    padding: 16px;
    margin-top: 12px;
    border: 1px solid var(--border);
  }
  .navbar-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    width: 100%;
  }
  .nav-link-custom {
    display: block;
    padding: 10px 16px;
  }
  .nav-cta-area {
    flex-direction: column;
    align-items: stretch;
    margin-left: 0;
    margin-top: 12px;
    gap: 10px;
  }
  .search-group {
    width: 100%;
  }
  .search-input {
    flex: 1;
    width: auto;
  }
  .hot-tags {
    flex-wrap: wrap;
    margin-top: 4px;
  }
  .hot-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .playlist-block,
  .playlist-block-alt {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 48px 0;
  }
  .playlist-block-alt .playlist-media {
    order: 1;
  }
  .playlist-block-alt .playlist-content {
    order: 2;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 767.98px) {
  .section {
    padding: 48px 0;
  }
  .hot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .slider-card {
    flex: 0 0 60%;
    width: 60%;
  }
  .news-item {
    grid-template-columns: 52px 1fr;
    gap: 14px;
    padding: 16px 10px;
  }
  .news-meta {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    margin-top: 4px;
  }
  .playlist-thumbs {
    gap: 8px;
  }
  .thumb-card {
    width: 72px;
  }
  .cta-section {
    padding: 60px 0;
  }
  .brand-slogan {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}
@media (max-width: 575.98px) {
  .container {
    padding: 0 16px;
  }
  .hero {
    min-height: 70vh;
  }
  .hero-content {
    padding: 60px 0;
  }
  .hot-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .hot-card-body {
    padding: 10px 12px 12px;
  }
  .hot-card-title {
    font-size: 0.875rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .slider-card {
    flex: 0 0 75%;
    width: 75%;
  }
  .playlist-content h3 {
    font-size: 1.4rem;
  }
}

/* roulang page: category1 */
:root {
  --bg-primary: #0B1020;
  --bg-secondary: #121829;
  --bg-deep: #0F1524;
  --bg-footer: #070B14;
  --accent: #E8A33D;
  --accent-dark: #1A1206;
  --accent-hover: #f0b45a;
  --teal: #4FD1C5;
  --text-primary: #F0ECE3;
  --text-secondary: #9AA5B8;
  --text-muted: #5A6A85;
  --border: rgba(255,255,255,0.08);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-pill: 100px;
  --shadow-card: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.45);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

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

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

button,
input {
  font-family: inherit;
}

.container {
  max-width: 1320px;
  padding-left: 20px;
  padding-right: 20px;
}

/* ===== Header / Nav ===== */
.site-header {
  background: rgba(11, 16, 32, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 1080;
}

.header-brand-row {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.brand-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.logo svg {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

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

.brand-slogan {
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.header-nav-row {
  padding: 6px 0;
}

.navbar {
  padding: 0;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.nav-link-custom {
  display: inline-block;
  padding: 8px 16px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  transition: var(--transition);
  position: relative;
}

.nav-link-custom:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.nav-link-custom.active {
  color: var(--accent);
  background: rgba(232,163,61,0.1);
}

.nav-link-custom.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-cta-area {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
  flex-wrap: wrap;
}

.search-group {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-btn);
  overflow: hidden;
  transition: var(--transition);
}

.search-group:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,163,61,0.12);
}

.search-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.875rem;
  padding: 8px 14px;
  width: 180px;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-btn {
  background: var(--accent);
  border: none;
  color: var(--accent-dark);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.search-btn:hover {
  background: var(--accent-hover);
}

.hot-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
}

.hot-tags span {
  color: var(--text-muted);
}

.hot-tags a {
  display: inline-block;
  padding: 3px 12px;
  background: rgba(79,209,197,0.08);
  color: var(--teal);
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  border: 1px solid rgba(79,209,197,0.14);
}

.hot-tags a:hover {
  background: rgba(79,209,197,0.18);
  color: var(--teal);
}

.navbar-toggler {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--text-primary);
  font-size: 1.1rem;
  padding: 6px 12px;
  border-radius: var(--radius-btn);
  display: none;
}

.navbar-toggler:hover {
  border-color: var(--accent);
  color: var(--accent);
}

@media (max-width: 991.98px) {
  .navbar-toggler {
    display: inline-block;
  }
  .navbar-collapse {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
  }
  .navbar-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }
  .nav-cta-area {
    margin-left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-top: 10px;
  }
  .search-group {
    width: 100%;
  }
  .search-input {
    flex: 1;
    width: auto;
  }
  .hot-tags {
    flex-wrap: wrap;
  }
}

/* ===== Hero ===== */
.category-hero {
  position: relative;
  min-height: 56vh;
  display: flex;
  align-items: center;
  background: var(--bg-primary);
  overflow: hidden;
  padding: 72px 0;
}

.category-hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  z-index: 0;
}

.category-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(11,16,32,0.55) 0%,
    rgba(11,16,32,0.78) 60%,
    var(--bg-primary) 100%
  );
}

.hero-glow {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 18% 32%, rgba(232,163,61,0.10) 0%, transparent 52%),
    radial-gradient(ellipse at 78% 68%, rgba(79,209,197,0.08) 0%, transparent 46%);
}

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

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-eyebrow i {
  font-size: 0.95rem;
}

.category-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 18px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 28px;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-star {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  border: none;
  color: var(--accent-dark);
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-star:hover {
  background: var(--accent-hover);
  color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,163,61,0.35);
}

.btn-star:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(232,163,61,0.3);
}

.btn-outline-star {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.22);
  color: var(--text-primary);
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline-star:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 24px;
  right: 32px;
  z-index: 2;
  font-size: 1.4rem;
  color: var(--text-muted);
  animation: bounceDown 2s infinite;
}

@keyframes bounceDown {
  0%, 100% {
    transform: translateY(0);
    opacity: 0.7;
  }
  50% {
    transform: translateY(10px);
    opacity: 1;
  }
}

/* ===== Section base ===== */
.section-block {
  padding: 80px 0;
}

.section-block-alt {
  background: var(--bg-secondary);
}

.section-head {
  margin-bottom: 40px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.section-head p {
  color: var(--text-secondary);
  max-width: 620px;
  font-size: 0.9375rem;
  line-height: 1.7;
}

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

.feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--accent), transparent);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(232,163,61,0.2);
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232,163,61,0.1);
  border: 1px solid rgba(232,163,61,0.16);
  border-radius: 12px;
  color: var(--accent);
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 0;
}

@media (max-width: 991px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

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

.scene-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 36px 28px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: var(--transition);
}

.scene-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(79,209,197,0.2);
}

.scene-num {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 2.6rem;
  font-weight: 800;
  color: rgba(255,255,255,0.05);
  line-height: 1;
  letter-spacing: -0.02em;
}

.scene-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(79,209,197,0.12);
  border-radius: 12px;
  color: var(--teal);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.scene-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.scene-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 0;
}

@media (max-width: 991px) {
  .scenes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .scenes-grid {
    grid-template-columns: 1fr;
  }
  .scene-card {
    min-height: 220px;
  }
}

/* ===== Movie cards grid ===== */
.movie-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.movie-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.movie-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(232,163,61,0.2);
}

.movie-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0F1524;
}

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

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

.movie-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,16,32,0.85) 0%, transparent 50%);
  opacity: 0.5;
  transition: var(--transition);
}

.movie-card:hover .movie-cover::after {
  opacity: 0.75;
}

.movie-play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.7);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-dark);
  font-size: 1.1rem;
  box-shadow: 0 0 20px rgba(232,163,61,0.4);
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
}

.movie-card:hover .movie-play {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.movie-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  z-index: 2;
}

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

.movie-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.movie-tag {
  display: inline-block;
  background: rgba(79,209,197,0.1);
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(79,209,197,0.16);
}

.movie-score {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent);
  font-weight: 700;
}

.movie-score i {
  font-size: 0.8rem;
}

.movie-body h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.movie-body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 0;
  flex: 1;
}

@media (max-width: 991px) {
  .movie-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .movie-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Process ===== */
.process-wrap {
  background: var(--bg-deep);
  border-radius: 16px;
  padding: 48px 40px;
  border: 1px solid var(--border);
}

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

.process-step {
  position: relative;
  text-align: center;
  padding: 0 8px;
}

.process-step::after {
  content: "";
  position: absolute;
  top: 28px;
  right: -12px;
  width: 24px;
  height: 1px;
  background: rgba(232,163,61,0.25);
}

.process-step:last-child::after {
  display: none;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(232,163,61,0.1);
  border: 1px solid rgba(232,163,61,0.25);
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.process-step h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

@media (max-width: 991px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .process-step::after {
    display: none;
  }
}

@media (max-width: 575px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
  .process-wrap {
    padding: 32px 20px;
  }
}

/* ===== FAQ ===== */
.faq-section .section-head {
  margin-bottom: 28px;
}

.faq-accordion .accordion-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px !important;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-accordion .accordion-button {
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 18px 24px;
  box-shadow: none;
  border-radius: 12px !important;
  display: flex;
  align-items: center;
  gap: 12px;
}

.faq-accordion .accordion-button::after {
  content: "";
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  background: none;
  border: none;
  position: relative;
  transition: transform 0.3s ease;
}

.faq-accordion .accordion-button::before {
  content: "";
  position: absolute;
  right: 22px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  transition: transform 0.3s ease;
}

.faq-accordion .accordion-button:not(.collapsed)::before {
  transform: rotate(-135deg);
}

.faq-accordion .accordion-button:not(.collapsed) {
  background: var(--bg-secondary);
  color: var(--accent);
  box-shadow: none;
}

.faq-accordion .accordion-button:focus {
  box-shadow: none;
  border-color: rgba(232,163,61,0.3);
}

.faq-accordion .accordion-button:hover {
  background: rgba(255,255,255,0.02);
}

.faq-accordion .accordion-body {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 0 24px 20px;
  font-size: 0.875rem;
  line-height: 1.7;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
  border-color: rgba(232,163,61,0.25);
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 90px 0;
  overflow: hidden;
  background: var(--bg-primary);
}

.cta-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 24% 40%, rgba(232,163,61,0.15) 0%, transparent 55%),
    radial-gradient(ellipse at 72% 62%, rgba(79,209,197,0.12) 0%, transparent 50%);
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 40px;
  background: var(--bg-deep);
  border: 1px solid rgba(232,163,61,0.18);
  border-radius: 20px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}

.cta-inner h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.cta-inner p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.65;
}

@media (max-width: 575px) {
  .cta-inner {
    padding: 36px 20px;
  }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 0;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
}

.footer-brand .logo {
  font-size: 1.2rem;
}

.footer-desc {
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-contact-list li i {
  color: var(--accent);
  width: 16px;
  text-align: center;
  font-size: 0.85rem;
}

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

.footer-bottom p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

@media (max-width: 991px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 575px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ===== Responsive global ===== */
@media (max-width: 768px) {
  .section-block {
    padding: 48px 0;
  }
  .brand-slogan {
    display: none;
  }
}

/* ===== Category breadcrumb ===== */
.breadcrumb-line {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.breadcrumb-line a {
  color: var(--text-muted);
}

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

.breadcrumb-line i {
  font-size: 0.7rem;
  margin: 0 8px;
  color: var(--text-muted);
}

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

/* ===== Back to home ===== */
.back-home {
  text-align: center;
  padding: 20px 0 0;
}

.back-home a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.back-home a:hover {
  color: var(--accent);
}

/* roulang page: article */
:root {
  --bg-primary: #0B1020;
  --bg-secondary: #121829;
  --bg-deeper: #0F1524;
  --bg-footer: #070B14;
  --accent: #E8A33D;
  --accent-hover: #f2b554;
  --accent-dark: #1A1206;
  --teal: #4FD1C5;
  --text-primary: #F0ECE3;
  --text-secondary: #9AA5B8;
  --text-muted: #5A6A85;
  --border: rgba(255,255,255,0.08);
  --border-light: rgba(255,255,255,0.06);
  --radius-card: 12px;
  --radius-btn: 8px;
  --shadow-card: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.45);
  --font-main: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--text-primary); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
button, input { font-family: inherit; }
.container { max-width: 1320px; }

/* ===== 按钮体系 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; border-radius: var(--radius-btn);
  padding: 12px 28px; border: 1px solid transparent;
  transition: all .3s ease; font-size: .95rem;
}
.btn:focus { outline: none; box-shadow: 0 0 0 3px rgba(232,163,61,.35); }
.btn-primary { background: var(--accent); color: var(--accent-dark); }
.btn-primary:hover {
  background: var(--accent-hover); color: var(--accent-dark);
  transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,163,61,.3);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline { background: transparent; color: var(--text-primary); border-color: rgba(255,255,255,.55); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 1030;
  background: rgba(11,16,32,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}
.header-brand-row { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.04); }
.brand-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 1.4rem; font-weight: 800; letter-spacing: -.01em; color: var(--text-primary); }
.logo:hover { color: var(--accent); }
.logo svg { width: 32px; height: 32px; filter: drop-shadow(0 0 8px rgba(232,163,61,.4)); }
.brand-slogan { font-size: .8125rem; color: var(--text-muted); letter-spacing: .08em; }
.header-nav-row { padding: 0; }
.navbar { padding: 0; min-height: 48px; }
.navbar-nav { flex-direction: row; gap: 28px; align-items: center; margin: 0; }
.nav-link-custom {
  position: relative; display: inline-block; padding: 12px 0;
  font-size: .9375rem; font-weight: 500; color: var(--text-secondary);
}
.nav-link-custom::after {
  content: ""; position: absolute; left: 0; bottom: 6px;
  width: 100%; height: 2px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s ease; border-radius: 2px;
}
.nav-link-custom:hover, .nav-link-custom.active { color: var(--text-primary); }
.nav-link-custom:hover::after, .nav-link-custom.active::after { transform: scaleX(1); }
.nav-cta-area { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.search-group { display: flex; align-items: center; }
.search-input {
  width: 180px; background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-btn) 0 0 var(--radius-btn);
  padding: 8px 12px; color: var(--text-primary); font-size: .875rem;
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus {
  outline: none; border-color: var(--accent);
  background: rgba(255,255,255,.08); box-shadow: 0 0 0 3px rgba(232,163,61,.12);
}
.search-btn {
  background: var(--accent); border: none; color: var(--accent-dark);
  width: 38px; height: 36px; border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
  cursor: pointer; font-size: .9rem; transition: background .3s ease;
}
.search-btn:hover { background: var(--accent-hover); }
.hot-tags { display: flex; align-items: center; gap: 8px; font-size: .8125rem; }
.hot-tags span { color: var(--text-muted); }
.hot-tags a {
  background: rgba(255,255,255,.06); border: 1px solid var(--border-light);
  padding: 4px 12px; border-radius: 100px;
  color: var(--text-secondary); font-size: .75rem; transition: all .3s ease;
}
.hot-tags a:hover { border-color: rgba(232,163,61,.4); color: var(--accent); }
.navbar-toggler { border: 1px solid rgba(255,255,255,.2); background: transparent; color: var(--text-primary); padding: 6px 12px; border-radius: 6px; }
.navbar-toggler:focus { box-shadow: none; }

/* ===== 文章 Hero ===== */
.article-hero {
  position: relative; padding: 60px 0 48px;
  background: var(--bg-deeper); overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center; opacity: .35;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,16,32,.72) 0%, rgba(11,16,32,.88) 55%, #0B1020 100%);
}
.hero-overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 75% 20%, rgba(79,209,197,.12), transparent 45%),
    radial-gradient(circle at 20% 80%, rgba(232,163,61,.08), transparent 40%);
}
.article-hero .container { position: relative; z-index: 2; }
.breadcrumb-wrap { margin-bottom: 20px; }
.breadcrumb { margin-bottom: 0; background: transparent; padding: 0; }
.breadcrumb-item a { color: var(--text-muted); font-size: .875rem; }
.breadcrumb-item a:hover { color: var(--accent); }
.breadcrumb-item + .breadcrumb-item::before { color: #5a6a85; content: "/"; }
.breadcrumb-item.active {
  color: var(--text-secondary); font-size: .875rem;
  max-width: 360px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.article-title {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 800; line-height: 1.3; margin-bottom: 18px;
  color: var(--text-primary); letter-spacing: -.01em;
}
.article-meta {
  display: flex; flex-wrap: wrap; gap: 18px;
  margin-bottom: 22px; font-size: .875rem; color: var(--text-secondary);
}
.meta-item { display: inline-flex; align-items: center; gap: 6px; }
.meta-item i { color: var(--accent); font-size: .8125rem; }
.article-summary {
  background: rgba(18,24,41,.72);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-card);
  padding: 20px 24px; margin-bottom: 0;
}
.article-summary p { margin: 0; color: var(--text-secondary); font-size: .9375rem; line-height: 1.75; }

/* ===== 正文阅读区 ===== */
.article-content { padding: 40px 0 64px; }
.article-body { max-width: 760px; margin: 0 auto; }
.article-body h2, .article-body h3, .article-body h4 {
  color: var(--text-primary); font-weight: 700; margin-top: 1.8em; margin-bottom: .8em;
}
.article-body h2 { font-size: 1.55rem; }
.article-body h3 { font-size: 1.25rem; }
.article-body p { color: var(--text-secondary); font-size: .9375rem; line-height: 1.8; margin-bottom: 1.5em; }
.article-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--accent-hover); }
.article-body img { width: 100%; border-radius: 8px; margin: 24px 0; }
.article-body blockquote {
  border-left: 3px solid var(--accent);
  background: rgba(255,255,255,.03);
  margin: 24px 0; padding: 16px 24px;
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}
.article-body blockquote p { margin-bottom: 0; color: var(--text-primary); font-style: italic; }
.article-body ul, .article-body ol { color: var(--text-secondary); padding-left: 1.25rem; margin-bottom: 1.5em; }
.article-body li { margin-bottom: .4rem; }
.article-body table {
  width: 100%; margin-bottom: 1.5rem;
  border-collapse: separate; border-spacing: 0;
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}
.article-body table th, .article-body table td {
  border-bottom: 1px solid var(--border); padding: 12px 16px;
  color: var(--text-secondary); font-size: .875rem;
}
.article-body table th { background: rgba(255,255,255,.04); color: var(--text-primary); font-weight: 600; }
.article-body table tr:last-child td { border-bottom: none; }
.article-body pre {
  background: #0c1324; border: 1px solid var(--border);
  border-radius: 8px; padding: 16px; overflow-x: auto;
  color: var(--text-secondary); font-size: .875rem; margin-bottom: 1.5rem;
}
.article-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: rgba(255,255,255,.06); padding: 2px 6px;
  border-radius: 4px; font-size: .85em; color: var(--teal);
}
.content-not-found {
  text-align: center; padding: 60px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
}
.not-found-icon { font-size: 2.5rem; color: var(--accent); margin-bottom: 18px; text-shadow: 0 0 30px rgba(232,163,61,.5); }
.content-not-found h2 { font-size: 1.5rem; margin-bottom: 12px; color: var(--text-primary); }
.content-not-found p { color: var(--text-secondary); margin-bottom: 20px; }

/* ===== 文末标签与翻页 ===== */
.post-tags {
  max-width: 760px; margin: 32px auto 0;
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
  padding-top: 28px; border-top: 1px solid var(--border-light);
}
.tags-label { color: var(--text-muted); font-size: .875rem; }
.tag-item {
  background: rgba(255,255,255,.05); border: 1px solid var(--border-light);
  padding: 5px 14px; border-radius: 100px;
  font-size: .8125rem; color: var(--text-secondary); transition: all .3s ease;
}
.tag-item:hover { border-color: var(--accent); color: var(--accent); }
.post-pagination {
  max-width: 760px; margin: 32px auto 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.pagination-link {
  display: flex; flex-direction: column; padding: 18px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  transition: all .3s ease; min-height: 78px;
}
a.pagination-link:hover {
  border-color: var(--accent); transform: translateY(-2px);
  box-shadow: var(--shadow-hover); color: var(--text-primary);
}
.pagination-link.is-disabled { opacity: .55; cursor: default; }
.pagination-label { font-size: .75rem; color: var(--text-muted); margin-bottom: 6px; }
.pagination-title {
  font-size: .9375rem; font-weight: 600; color: var(--text-primary);
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.pagination-link.next { text-align: right; align-items: flex-end; }

/* ===== 相关推荐 ===== */
.related-section { padding: 64px 0; background: var(--bg-secondary); border-top: 1px solid var(--border-light); }
.section-head { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; }
.section-tag {
  font-size: .75rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--teal);
  background: rgba(79,209,197,.1);
  border: 1px solid rgba(79,209,197,.2);
  padding: 4px 12px; border-radius: 100px;
}
.section-title { font-size: 1.6rem; font-weight: 700; margin: 0; letter-spacing: -.01em; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 36px; }
.related-card {
  background: var(--bg-deeper);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all .3s ease;
}
.related-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-hover);
  border-color: rgba(232,163,61,.25);
}
.related-card-img { aspect-ratio: 16/9; overflow: hidden; background: #0c1324; }
.related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .related-card-img img { transform: scale(1.05); }
.related-card-body { padding: 18px 18px 20px; }
.related-card-body h3 {
  font-size: 1.0625rem; font-weight: 700; margin-bottom: 6px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.related-card-body h3 a { color: var(--text-primary); }
.related-card-body h3 a:hover { color: var(--accent); }
.related-card-body p {
  font-size: .8125rem; color: var(--text-muted); margin: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  line-height: 1.6;
}
.related-empty { text-align: center; padding: 12px 0; }
.related-empty a { color: var(--text-muted); font-size: .875rem; transition: color .3s ease; }
.related-empty a:hover { color: var(--accent); }

/* ===== Footer ===== */
.site-footer { background: var(--bg-footer); border-top: 1px solid var(--border-light); padding: 48px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 36px; }
.footer-brand .logo { font-size: 1.15rem; }
.footer-desc { margin-top: 14px; font-size: .875rem; color: var(--text-muted); max-width: 280px; line-height: 1.7; }
.footer-col h4 { color: var(--text-primary); font-size: .9375rem; font-weight: 600; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { color: var(--text-secondary); font-size: .875rem; }
.footer-col ul a:hover { color: var(--accent); }
.footer-contact-list li { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-size: .875rem; }
.footer-contact-list i { color: var(--accent); font-size: .8125rem; width: 16px; text-align: center; }
.footer-bottom { border-top: 1px solid var(--border-light); padding: 16px 0; text-align: center; }
.footer-bottom p { margin: 0; color: var(--text-muted); font-size: .8125rem; }

/* ===== 响应式 ===== */
@media (max-width: 991px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-cta-area { margin-left: 0; width: 100%; flex-wrap: wrap; gap: 12px; }
  .navbar-collapse {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 8px; margin-top: 8px; padding: 16px;
  }
  .navbar-nav { flex-direction: column; gap: 0; align-items: flex-start; }
  .nav-link-custom { padding: 10px 0; }
  .hot-tags { flex-wrap: wrap; }
  .search-group { width: 100%; }
  .search-input { flex: 1; width: auto; }
}
@media (max-width: 767px) {
  .article-hero { padding: 40px 0 36px; }
  .article-content { padding: 32px 0 48px; }
  .article-meta { gap: 10px 16px; }
  .related-section { padding: 48px 0; }
  .related-grid { grid-template-columns: 1fr; }
  .post-pagination { grid-template-columns: 1fr; }
  .pagination-link.next { text-align: left; align-items: flex-start; }
  .brand-slogan { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 575px) {
  .article-title { font-size: 1.5rem; }
  .breadcrumb-item.active { max-width: 200px; }
  .article-summary { padding: 16px 18px; }
}