/* roulang page: index */
:root {
  --color-bg: #F6F5F8;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F1EEF7;
  --color-ink: #1E1B2A;
  --color-ink-secondary: #5D5872;
  --color-ink-tertiary: #8B869D;
  --color-primary: #4C2E88;
  --color-primary-hover: #6C48B8;
  --color-primary-soft: #EDE7F8;
  --color-accent: #FF6B35;
  --color-accent-soft: #FFF0E8;
  --color-success: #2FBF8F;
  --color-border: #E9E6F0;
  --color-gradient-main: linear-gradient(135deg, #4C2E88 0%, #7B4FBF 50%, #FF6B35 130%);
  --color-gradient-hero: linear-gradient(118deg, #241D3A 0%, #4C2E88 68%, #7B4FBF 100%);
  --shadow-card: 0 4px 16px rgba(76, 46, 136, 0.08);
  --shadow-card-hover: 0 12px 32px rgba(76, 46, 136, 0.15);
  --shadow-cast: 0 4px 24px rgba(255, 107, 53, 0.30);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color .2s ease;
}

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

button, input {
  font-family: var(--font-main);
  font-size: 14px;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: 1200px;
  padding: 0 32px;
  margin: 0 auto;
  width: 100%;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ====== Topbar ====== */
.topbar {
  height: 36px;
  background: var(--color-ink);
  color: rgba(255,255,255,.85);
  display: flex;
  align-items: center;
  font-size: 12px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0 20px;
}

.topbar-status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse 1.6s infinite;
}

.topbar-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar-links a {
  color: rgba(255,255,255,.85);
  font-size: 12px;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

/* ====== Layout ====== */
.layout {
  display: flex;
  min-height: 100vh;
  padding-top: 36px;
}

/* ====== Sidebar ====== */
.sidebar {
  width: 220px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 36px;
  left: 0;
  bottom: 0;
  z-index: 900;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 56px;
  padding: 0 8px;
  margin-bottom: 20px;
}

.sidebar-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  flex-shrink: 0;
}

.sidebar-logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: .5px;
  white-space: nowrap;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink-secondary);
  transition: all .2s ease;
  position: relative;
}

.nav-item i {
  width: 18px;
  font-size: 15px;
  text-align: center;
  opacity: .8;
}

.nav-item:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.nav-item.active {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  border-radius: 0 3px 3px 0;
  background: var(--color-accent);
}

.nav-group-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--color-ink-tertiary);
  padding: 16px 14px 6px;
  font-weight: 600;
}

.sidebar-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 8px 0;
  border-top: 1px solid var(--color-border);
  margin-top: 16px;
}

.stat-mini {
  background: var(--color-primary-soft);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-mini i {
  font-size: 10px;
}

/* ====== Main Content ====== */
.main-content {
  margin-left: 220px;
  flex: 1;
  min-width: 0;
  width: calc(100% - 220px);
}

/* ====== Hero Section ====== */
.hero-section {
  padding: 32px 32px 0;
}

.hero-card {
  border-radius: var(--radius-lg);
  background: var(--color-gradient-hero);
  padding: 40px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  position: relative;
  overflow: hidden;
  color: #fff;
}

.hero-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.08) 1px, transparent 0);
  background-size: 28px 28px;
  pointer-events: none;
}

.hero-left {
  position: relative;
  z-index: 1;
}

.hero-cover {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}

.hero-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-countdown-chip {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(30, 27, 42, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255,255,255,.15);
}

.hero-countdown-chip .num {
  color: var(--color-accent);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.hero-right {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

.hero-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hero-tag {
  border: 1px solid rgba(255, 107, 53, .6);
  color: #FFD0C0;
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 12px;
  font-weight: 500;
}

.hero-title {
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  letter-spacing: .3px;
}

.hero-host {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.8);
}

.hero-host-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
}

.hero-countdown-row {
  display: flex;
  gap: 10px;
}

.hero-countdown-item {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  text-align: center;
  min-width: 56px;
}

.hero-countdown-item .val {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
  display: block;
}

.hero-countdown-item .lbl {
  font-size: 11px;
  color: rgba(255,255,255,.7);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.btn-primary {
  background: var(--color-gradient-main);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  height: 44px;
  padding: 0 28px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-cast);
  color: #fff;
  filter: brightness(1.06);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-outline-light {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.6);
  color: #fff;
  border-radius: var(--radius-sm);
  height: 44px;
  padding: 0 28px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-outline-light:hover {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
  transform: translateY(-1px);
}

.hero-badges {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 10px;
  z-index: 3;
}

.hero-badge {
  background: rgba(30, 27, 42, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 999px;
  padding: 5px 14px;
  color: #fff;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255,255,255,.1);
}

.hero-badge i {
  color: var(--color-accent);
  font-size: 11px;
}

.hero-badge .num {
  font-weight: 700;
  color: #fff;
}

/* ====== Countdown Bar ====== */
.countdown-bar-section {
  padding: 24px 32px 0;
}

.countdown-bar {
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.countdown-info h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.countdown-info p {
  font-size: 13px;
  color: var(--color-ink-secondary);
}

.countdown-grid {
  display: flex;
  gap: 12px;
}

.countdown-cell {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  padding: 10px 18px;
  text-align: center;
  min-width: 68px;
}

.countdown-cell .num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.countdown-cell .label {
  font-size: 12px;
  color: var(--color-ink-tertiary);
  margin-top: 2px;
  display: block;
}

/* ====== Section Title ====== */
.section-block {
  padding: 64px 32px;
}

.section-block:not(:first-child) {
  border-top: 1px solid var(--color-border);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.section-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title-bar {
  width: 4px;
  height: 22px;
  border-radius: 4px;
  background: var(--color-gradient-main);
}

.section-title {
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-ink);
}

.section-link {
  font-size: 13px;
  color: var(--color-ink-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .2s ease;
}

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

/* ====== Highlight Timeline ====== */
.highlight-grid {
  display: grid;
  grid-template-columns: 60% 40%;
  gap: 32px;
}

.timeline-list {
  position: relative;
  padding-left: 24px;
}

.timeline-list::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-soft) 100%);
}

.timeline-item {
  position: relative;
  padding: 14px 0 14px 20px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 3px solid var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-soft);
}

.timeline-time {
  display: inline-block;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}

.timeline-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.timeline-desc {
  font-size: 13px;
  color: var(--color-ink-secondary);
}

.lineup-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 24px;
}

.lineup-card h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.lineup-card h4 i {
  color: var(--color-accent);
}

.avatar-group {
  display: flex;
  margin-bottom: 16px;
}

.avatar-item {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-gradient-main);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: -8px;
  border: 2px solid var(--color-surface);
  transition: transform .2s ease;
}

.avatar-item:hover {
  transform: translateY(-4px);
  z-index: 2;
}

.lineup-meta {
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
}

.lineup-meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 5px 0;
}

.lineup-meta-row span:first-child {
  color: var(--color-ink-tertiary);
}

.lineup-meta-row span:last-child {
  color: var(--color-ink);
  font-weight: 500;
}

/* ====== Subscribe CTA ====== */
.cta-section {
  padding: 0 32px 64px;
}

.cta-card {
  background: var(--color-gradient-main);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  gap: 32px;
  position: relative;
  overflow: hidden;
  color: #fff;
}

.cta-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
}

.cta-left {
  flex: 1.2;
  position: relative;
  z-index: 1;
}

.cta-left h2 {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.cta-left p {
  font-size: 14px;
  color: rgba(255,255,255,.75);
}

.cta-form {
  flex: 1;
  display: flex;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.cta-input {
  flex: 1;
  height: 48px;
  border-radius: var(--radius-sm);
  border: none;
  padding: 0 16px;
  font-size: 14px;
  background: rgba(255,255,255,.96);
  color: var(--color-ink);
}

.cta-input::placeholder {
  color: var(--color-ink-tertiary);
}

.btn-white {
  background: #fff;
  color: var(--color-primary);
  border: none;
  border-radius: var(--radius-sm);
  height: 48px;
  padding: 0 24px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all .25s ease;
  white-space: nowrap;
}

.btn-white:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(76,46,136,.3);
}

.cta-subscribe-count {
  position: absolute;
  bottom: 14px;
  right: 24px;
  background: rgba(255,255,255,.15);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cta-subscribe-count .num {
  font-weight: 800;
  font-size: 14px;
}

/* ====== CMS List ====== */
.cms-list-section {
  padding: 64px 32px;
  border-top: 1px solid var(--color-border);
}

.cms-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cms-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: all .25s ease;
}

.cms-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.cms-thumb {
  width: 120px;
  height: 80px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-primary-soft);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary);
  overflow: hidden;
}

.cms-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cms-content {
  flex: 1;
  min-width: 0;
}

.cms-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .2s ease;
}

.cms-title:hover {
  color: var(--color-primary);
}

.cms-excerpt {
  font-size: 13px;
  color: var(--color-ink-secondary);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  white-space: nowrap;
  text-overflow: ellipsis;
  margin-bottom: 8px;
}

.cms-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--color-ink-tertiary);
}

.cms-meta .cat-chip {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: 999px;
  padding: 2px 10px;
  font-weight: 600;
  font-size: 11px;
}

.empty-state {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 60px 20px;
  text-align: center;
  color: var(--color-ink-tertiary);
}

.empty-state i {
  font-size: 40px;
  display: block;
  margin-bottom: 12px;
  color: var(--color-border);
}

.empty-state p {
  font-size: 14px;
}

/* ====== Featured Grid (回放入口) ====== */
.featured-grid-section {
  padding: 0 32px 64px;
  border-top: 1px solid var(--color-border);
  padding-top: 64px;
}

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

.featured-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/9;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  transition: all .3s ease;
  display: block;
}

.featured-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.featured-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

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

.featured-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(30,27,42,.82) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px;
  color: #fff;
}

.featured-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  margin-bottom: 6px;
}

.featured-badge i {
  color: var(--color-accent);
}

.featured-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.featured-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: rgba(255,255,255,.7);
  margin-top: 6px;
}

/* ====== FAQ Section ====== */
.faq-section {
  padding: 64px 32px;
  border-top: 1px solid var(--color-border);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: box-shadow .2s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-card);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 48px;
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-ink);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
}

.faq-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s ease;
  color: var(--color-primary);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 20px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ink-secondary);
}

.faq-item.open .faq-answer {
  display: block;
}

/* ====== Footer ====== */
.site-footer {
  background: var(--color-ink);
  color: #B9B4C8;
  border-top: 4px solid;
  border-image: linear-gradient(90deg, var(--color-primary), var(--color-accent), transparent) 1;
  margin-left: 220px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 32px 28px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}

.footer-logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--color-gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
}

.footer-desc {
  font-size: 13px;
  line-height: 1.7;
}

.footer-icp {
  font-size: 12px;
  color: rgba(255,255,255,.35);
  margin-top: auto;
}

.footer-col h4 {
  font-size: 14px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.footer-col ul li a {
  font-size: 13px;
  color: #B9B4C8;
  transition: color .2s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-copyright {
  font-size: 13px;
  color: rgba(255,255,255,.5);
}

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

.social-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #B9B4C8;
  transition: all .25s ease;
}

.social-btn:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* ====== Mobile Nav ====== */
.mobile-header {
  display: none;
}

.mobile-overlay {
  display: none;
}

/* ====== Responsive ====== */
@media (max-width: 1024px) {
  .sidebar {
    display: none;
  }

  .main-content {
    margin-left: 0;
    width: 100%;
  }

  .site-footer {
    margin-left: 0;
  }

  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 20px;
    position: sticky;
    top: 36px;
    z-index: 950;
  }

  .mobile-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 17px;
    font-weight: 800;
    color: var(--color-primary);
  }

  .mobile-logo-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: var(--color-gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 800;
    color: #fff;
  }

  .hamburger-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: 8px;
    transition: background .2s ease;
  }

  .hamburger-btn:hover {
    background: var(--color-primary-soft);
  }

  .hamburger-btn span {
    width: 22px;
    height: 2px;
    background: var(--color-ink);
    border-radius: 2px;
    transition: all .3s ease;
  }

  .hamburger-btn.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .hamburger-btn.open span:nth-child(2) {
    opacity: 0;
  }

  .hamburger-btn.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .mobile-nav {
    position: fixed;
    top: 92px;
    left: 0;
    bottom: 0;
    width: 280px;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 24px 16px;
    transform: translateX(-100%);
    transition: transform .3s ease;
    z-index: 990;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
  }

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

  .mobile-nav .nav-item {
    height: 46px;
  }

  .mobile-overlay {
    position: fixed;
    inset: 92px 0 0 0;
    background: rgba(30, 27, 42, 0.4);
    z-index: 980;
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
    backdrop-filter: blur(2px);
  }

  .mobile-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  .mobile-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px 8px 0;
    border-top: 1px solid var(--color-border);
    margin-top: 16px;
  }

  .hero-section {
    padding: 24px 24px 0;
  }

  .section-block {
    padding: 48px 24px;
  }

  .cms-list-section {
    padding: 48px 24px;
  }

  .featured-grid-section {
    padding: 48px 24px 56px;
  }

  .faq-section {
    padding: 48px 24px;
  }

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

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

  .hero-card {
    grid-template-columns: 1fr;
    padding: 32px 28px;
  }

  .countdown-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-form {
    width: 100%;
  }

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

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .hero-section, .section-block, .cms-list-section, .featured-grid-section, .faq-section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .cta-section {
    padding: 0 16px 40px;
  }

  .hero-card {
    padding: 24px 20px;
    gap: 24px;
  }

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

  .hero-actions .btn-primary,
  .hero-actions .btn-outline-light {
    width: 100%;
  }

  .hero-badges {
    position: relative;
    top: auto;
    right: auto;
    margin-bottom: 4px;
    flex-wrap: wrap;
  }

  .hero-countdown-row {
    flex-wrap: wrap;
  }

  .countdown-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    width: 100%;
  }

  .countdown-cell {
    min-width: auto;
  }

  .cta-form {
    flex-direction: column;
  }

  .btn-white {
    width: 100%;
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .cms-card {
    flex-direction: row;
    padding: 12px;
  }

  .cms-thumb {
    width: 100px;
    height: 68px;
  }

  .cms-title {
    font-size: 15px;
  }

  .timeline-list {
    padding-left: 18px;
  }

  .timeline-item {
    padding-left: 14px;
  }

  .timeline-item::before {
    left: -18px;
  }

  .cta-subscribe-count {
    position: static;
    display: inline-block;
    margin-top: 12px;
    margin-bottom: 20px;
  }
}

@media (max-width: 520px) {
  .topbar-links a:first-child {
    display: none;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .cms-card {
    flex-wrap: wrap;
  }

  .cms-thumb {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
  }

  .cms-content {
    width: 100%;
  }

  .cms-excerpt {
    white-space: normal;
    -webkit-line-clamp: 2;
  }

  .featured-overlay {
    padding: 14px;
  }

  .section-title {
    font-size: 1.15rem;
  }

  .faq-question {
    font-size: 14px;
    padding: 0 14px;
  }

  .footer-inner {
    padding: 36px 16px 20px;
  }

  .footer-bottom {
    padding: 16px;
  }
}

@media (min-width: 1025px) {
  .mobile-header, .mobile-overlay {
    display: none !important;
  }
}

/* roulang page: category1 */
:root {
            --color-bg: #F6F5F8;
            --color-surface: #FFFFFF;
            --color-surface-alt: #F1EEF7;
            --color-ink: #1E1B2A;
            --color-ink-secondary: #5D5872;
            --color-ink-tertiary: #8B869D;
            --color-primary: #4C2E88;
            --color-primary-hover: #6C48B8;
            --color-primary-soft: #EDE7F8;
            --color-accent: #FF6B35;
            --color-accent-soft: #FFF0E8;
            --color-success: #2FBF8F;
            --color-border: #E9E6F0;
            --color-gradient-main: linear-gradient(135deg, #4C2E88 0%, #7B4FBF 50%, #FF6B35 130%);
            --color-gradient-hero: linear-gradient(118deg, #241D3A 0%, #4C2E88 68%, #7B4FBF 100%);
            --shadow-card: 0 4px 16px rgba(76, 46, 136, 0.08);
            --shadow-card-hover: 0 12px 32px rgba(76, 46, 136, 0.15);
            --shadow-cast: 0 4px 24px rgba(255, 107, 53, 0.30);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: 0.9375rem;
            line-height: 1.75;
            color: var(--color-ink);
            background: var(--color-bg);
            overflow-x: hidden;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        .topbar {
            height: 36px;
            background: var(--color-ink);
            color: rgba(255, 255, 255, 0.75);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
        }

        .topbar-left {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            animation: pulse 1.6s infinite;
            flex-shrink: 0;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.6;
                transform: scale(0.85);
            }
        }

        .topbar-right {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.75rem;
        }

        .topbar-right a {
            color: rgba(255, 255, 255, 0.75);
            transition: color .2s;
        }

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

        .layout {
            display: flex;
            flex: 1;
            padding-top: 36px;
            min-height: calc(100vh - 36px);
        }

        .sidebar {
            position: fixed;
            top: 36px;
            left: 0;
            bottom: 0;
            width: 220px;
            background: var(--color-surface);
            border-right: 1px solid var(--color-border);
            padding: 24px 16px 16px;
            display: flex;
            flex-direction: column;
            z-index: 900;
            transition: transform .3s ease;
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            height: 56px;
            padding: 0 8px;
            margin-bottom: 20px;
            flex-shrink: 0;
        }

        .sidebar-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--color-gradient-main);
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .sidebar-logo span:last-child {
            font-size: 1.125rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.5px;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 44px;
            padding: 0 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--color-ink-secondary);
            transition: background .2s, color .2s;
        }

        .nav-item i {
            width: 18px;
            text-align: center;
            font-size: 0.9375rem;
            flex-shrink: 0;
        }

        .nav-item:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .nav-item.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(76, 46, 136, 0.25);
            position: relative;
        }

        .nav-item.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 20px;
            border-radius: 0 4px 4px 0;
            background: var(--color-accent);
        }

        .sidebar-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
            margin-top: 12px;
            flex-shrink: 0;
        }

        .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            border-radius: 999px;
            padding: 4px 10px;
            white-space: nowrap;
        }

        .stat-badge i {
            font-size: 0.625rem;
            color: var(--color-success);
        }

        .sidebar-overlay {
            position: fixed;
            inset: 0;
            background: rgba(30, 27, 42, 0.4);
            z-index: 890;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s;
            backdrop-filter: blur(2px);
        }

        .sidebar-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .main-content {
            flex: 1;
            margin-left: 220px;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .container {
            max-width: 1200px;
            padding: 0 32px;
            width: 100%;
            margin: 0 auto;
            flex: 1;
        }

        .mobile-header {
            display: none;
            height: 56px;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            position: sticky;
            top: 36px;
            z-index: 800;
        }

        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-logo .sidebar-logo-icon {
            width: 28px;
            height: 28px;
            font-size: 0.875rem;
        }

        .mobile-logo span:last-child {
            font-size: 1.0625rem;
            font-weight: 800;
            color: var(--color-primary);
        }

        .menu-toggle {
            width: 36px;
            height: 36px;
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--color-primary);
            transition: background .2s;
        }

        .menu-toggle:hover {
            background: var(--color-primary-soft);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            padding: 24px 0 8px;
            font-size: 0.8125rem;
            color: var(--color-ink-tertiary);
        }

        .breadcrumb a {
            color: var(--color-ink-tertiary);
            transition: color .2s;
        }

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

        .breadcrumb .sep {
            margin: 0 6px;
            color: #c5c1d0;
        }

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

        .page-header {
            padding: 36px 0 28px;
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 32px;
        }

        .page-header h1 {
            font-size: clamp(1.75rem, 3.2vw, 2.25rem);
            line-height: 1.25;
            font-weight: 800;
            color: var(--color-ink);
            letter-spacing: -0.5px;
            margin-bottom: 10px;
        }

        .page-header .page-desc {
            font-size: 0.9375rem;
            color: var(--color-ink-secondary);
            max-width: 640px;
            line-height: 1.7;
        }

        .featured-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1.15fr 1fr;
            margin-bottom: 48px;
            transition: box-shadow .25s ease, transform .25s ease;
        }

        .featured-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .featured-image {
            position: relative;
            overflow: hidden;
            min-height: 260px;
        }

        .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .featured-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            box-shadow: var(--shadow-cast);
        }

        .featured-content {
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 12px;
        }

        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            font-size: 0.75rem;
            color: var(--color-accent);
            background: var(--color-accent-soft);
            border-radius: 999px;
            padding: 3px 10px;
            font-weight: 500;
        }

        .featured-content h3 {
            font-size: 1.375rem;
            line-height: 1.35;
            font-weight: 700;
            color: var(--color-ink);
        }

        .featured-content p {
            font-size: 0.875rem;
            color: var(--color-ink-secondary);
            line-height: 1.7;
        }

        .featured-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8125rem;
            color: var(--color-ink-tertiary);
        }

        .featured-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 24px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-surface);
            transition: all .2s ease;
            cursor: pointer;
            margin-top: 4px;
            align-self: flex-start;
        }

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

        .btn-outline:focus-visible,
        .btn-primary:focus-visible,
        .nav-item:focus-visible,
        .menu-toggle:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .section-block {
            margin-bottom: 56px;
        }

        .section-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 24px;
        }

        .section-bar {
            width: 4px;
            height: 20px;
            border-radius: 4px;
            background: var(--color-gradient-main);
            flex-shrink: 0;
        }

        .section-header h2 {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.3;
        }

        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .news-card {
            display: flex;
            gap: 16px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px;
            box-shadow: var(--shadow-card);
            transition: box-shadow .25s ease, transform .25s ease;
            align-items: center;
        }

        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .news-card-img {
            width: 160px;
            height: 100px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            object-fit: cover;
            background: var(--color-primary-soft);
        }

        .news-card-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .news-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-ink);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color .2s;
        }

        .news-card:hover .news-card-body h3 {
            color: var(--color-primary);
        }

        .news-card-body .news-desc {
            font-size: 0.8125rem;
            color: var(--color-ink-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--color-ink-tertiary);
            margin-top: auto;
            flex-wrap: wrap;
        }

        .news-meta .tag {
            font-size: 0.6875rem;
            padding: 2px 8px;
        }

        .news-card-body .news-link {
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            opacity: 0;
            transform: translateX(-4px);
            transition: opacity .2s, transform .2s;
        }

        .news-card:hover .news-link {
            opacity: 1;
            transform: translateX(0);
        }

        .feature-section {
            background: var(--color-surface-alt);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            margin-bottom: 56px;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 24px 20px;
            transition: box-shadow .25s, transform .25s;
        }

        .feature-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            margin-bottom: 14px;
        }

        .feature-item h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 6px;
        }

        .feature-item p {
            font-size: 0.8125rem;
            color: var(--color-ink-secondary);
            line-height: 1.6;
        }

        .process-section {
            margin-bottom: 56px;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .process-step {
            position: relative;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 20px 20px;
            text-align: center;
            transition: box-shadow .25s, transform .25s;
        }

        .process-step:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .process-step::before {
            counter-increment: step;
            content: counter(step);
            width: 36px;
            height: 36px;
            background: var(--color-gradient-main);
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-variant-numeric: tabular-nums;
        }

        .process-step h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 6px;
        }

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

        .faq-section {
            margin-bottom: 56px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: box-shadow .25s;
        }

        .faq-item:hover {
            border-color: var(--color-primary-soft);
            box-shadow: var(--shadow-card);
        }

        .faq-item summary {
            padding: 16px 20px;
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--color-ink);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color .2s;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 1.375rem;
            font-weight: 400;
            color: var(--color-primary);
            flex-shrink: 0;
            transition: transform .3s;
            line-height: 1;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item[open] summary {
            color: var(--color-primary);
        }

        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.875rem;
            color: var(--color-ink-secondary);
            line-height: 1.7;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
            margin-top: 0;
        }

        .cta-card {
            background: var(--color-gradient-main);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            margin-bottom: 56px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(76, 46, 136, 0.25);
        }

        .cta-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-text {
            flex: 1;
            min-width: 260px;
        }

        .cta-text h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 6px;
        }

        .cta-text p {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            flex: 1;
            min-width: 280px;
        }

        .cta-form input {
            flex: 1;
            min-width: 180px;
            height: 48px;
            border: none;
            border-radius: var(--radius-sm);
            padding: 0 16px;
            font-size: 0.875rem;
            color: var(--color-ink);
            background: #fff;
            outline: none;
        }

        .cta-form input::placeholder {
            color: var(--color-ink-tertiary);
        }

        .cta-form input:focus {
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
        }

        .cta-btn {
            height: 48px;
            padding: 0 28px;
            border: none;
            border-radius: var(--radius-sm);
            background: #fff;
            color: var(--color-primary);
            font-size: 0.9375rem;
            font-weight: 700;
            cursor: pointer;
            transition: all .2s;
            white-space: nowrap;
        }

        .cta-btn:hover {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .cta-btn:active {
            transform: translateY(1px);
        }

        .cta-subscribed {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.9);
            background: rgba(255, 255, 255, 0.15);
            border-radius: 999px;
            padding: 6px 14px;
            margin-top: 10px;
        }

        .cta-subscribed i {
            color: #fff;
        }

        .cta-subscribed strong {
            font-weight: 700;
        }

        .site-footer {
            background: var(--color-ink);
            color: #B9B4C8;
            border-top: 4px solid transparent;
            border-image: linear-gradient(90deg, var(--color-primary), var(--color-accent), transparent) 1;
            padding: 48px 32px 24px;
            margin-left: 220px;
        }

        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--color-gradient-main);
            color: #fff;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .footer-logo span:last-child {
            font-size: 1.125rem;
            font-weight: 700;
            color: #fff;
        }

        .footer-desc {
            font-size: 0.8125rem;
            line-height: 1.7;
            margin-bottom: 12px;
            max-width: 280px;
        }

        .footer-icp {
            font-size: 0.75rem;
            color: rgba(185, 180, 200, 0.6);
        }

        .footer-col h4 {
            font-size: 0.9375rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 0.8125rem;
            color: #B9B4C8;
            transition: color .2s;
        }

        .footer-col ul a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
        }

        .footer-copyright {
            font-size: 0.75rem;
            color: rgba(185, 180, 200, 0.6);
        }

        .footer-social {
            display: flex;
            gap: 8px;
        }

        .social-btn {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8125rem;
            color: #B9B4C8;
            transition: all .2s;
        }

        .social-btn:hover {
            background: var(--color-primary);
            color: #fff;
        }

        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: 4px 0 24px rgba(30, 27, 42, 0.15);
                width: 240px;
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .sidebar-overlay.active {
                opacity: 1;
                visibility: visible;
            }

            .main-content {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
            }

            .site-footer {
                margin-left: 0;
            }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            .topbar {
                padding: 0 16px;
            }

            .topbar-right a:first-child {
                display: none;
            }

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

            .featured-image {
                min-height: 200px;
            }

            .featured-content {
                padding: 24px;
            }

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

            .news-card-img {
                width: 130px;
                height: 90px;
            }

            .cta-card {
                flex-direction: column;
                align-items: stretch;
                padding: 32px 24px;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form input {
                width: 100%;
            }

            .cta-btn {
                width: 100%;
            }

            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }

            .process-steps {
                grid-template-columns: 1fr;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .featured-content h3 {
                font-size: 1.125rem;
            }

            .news-card {
                padding: 12px;
                gap: 12px;
            }

            .news-card-img {
                width: 110px;
                height: 80px;
            }

            .site-footer {
                padding: 32px 16px 20px;
            }
        }

/* roulang page: article */
:root {
  --color-bg: #F6F5F8;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F1EEF7;
  --color-ink: #1E1B2A;
  --color-ink-secondary: #5D5872;
  --color-ink-tertiary: #8B869D;
  --color-primary: #4C2E88;
  --color-primary-hover: #6C48B8;
  --color-primary-soft: #EDE7F8;
  --color-accent: #FF6B35;
  --color-accent-soft: #FFF0E8;
  --color-success: #2FBF8F;
  --color-border: #E9E6F0;
  --color-gradient-main: linear-gradient(135deg, #4C2E88 0%, #7B4FBF 50%, #FF6B35 130%);
  --color-gradient-hero: linear-gradient(118deg, #241D3A 0%, #4C2E88 68%, #7B4FBF 100%);
  --shadow-card: 0 4px 16px rgba(76, 46, 136, 0.08);
  --shadow-card-hover: 0 12px 32px rgba(76, 46, 136, 0.15);
  --shadow-cast: 0 4px 24px rgba(255, 107, 53, 0.30);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.6;
  overflow-x: hidden;
  padding-top: 36px;
}

a { color: var(--color-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--color-primary-hover); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ===== Topbar ===== */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 36px;
  background: var(--color-ink);
  color: #B9B4C8;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  font-size: 13px;
}
.topbar-status {
  display: flex;
  align-items: center;
  gap: 8px;
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  display: inline-block;
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .45; }
}
.topbar-links {
  display: flex;
  align-items: center;
  gap: 18px;
}
.topbar-links a { color: #B9B4C8; font-size: 13px; transition: color .2s ease; }
.topbar-links a:hover { color: var(--color-accent); }

/* ===== Sidebar ===== */
.sidebar {
  position: fixed;
  top: 36px;
  left: 0;
  width: 220px;
  height: calc(100vh - 36px);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: 24px 16px 20px;
  display: flex;
  flex-direction: column;
  z-index: 150;
  transition: transform .3s ease;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 56px;
  padding: 0 8px;
  margin-bottom: 18px;
}
.logo-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--color-gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  flex-shrink: 0;
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
  white-space: nowrap;
  letter-spacing: .5px;
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 44px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  color: var(--color-ink-secondary);
  font-size: 15px;
  font-weight: 500;
  transition: background .2s ease, color .2s ease;
  position: relative;
}
.nav-item i { width: 18px; text-align: center; font-size: 15px; }
.nav-item:hover { background: var(--color-primary-soft); color: var(--color-primary); }
.nav-item.active { background: var(--color-primary); color: #fff; }
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  border-radius: 0 4px 4px 0;
  background: var(--color-accent);
}
.sidebar-stats {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-badge {
  background: var(--color-primary-soft);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  color: var(--color-primary);
  text-align: center;
  line-height: 1.4;
}

/* ===== Mobile Header ===== */
.mobile-header {
  display: none;
  position: fixed;
  top: 36px; left: 0; right: 0;
  height: 56px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 160;
}
.mobile-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}
.mobile-logo .logo-icon { width: 32px; height: 32px; font-size: 16px; }
.mobile-logo .logo-text { font-size: 18px; }
.mobile-menu-btn {
  width: 36px; height: 36px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: background .2s ease, border-color .2s ease;
}
.mobile-menu-btn:hover { background: var(--color-primary-soft); border-color: var(--color-primary-soft); }
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(30, 27, 42, .4);
  z-index: 140;
}
.mobile-overlay.show { display: block; }

/* ===== Main Content ===== */
.main-content {
  margin-left: 220px;
  padding: 48px 32px 72px;
  min-height: calc(100vh - 36px);
}

/* ===== Article ===== */
.article-container {
  max-width: 780px;
  margin: 0 auto;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--color-ink-tertiary);
  margin-bottom: 32px;
}
.breadcrumb a { color: var(--color-ink-tertiary); transition: color .2s ease; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { margin: 0 6px; color: var(--color-border); }
.breadcrumb .current { color: var(--color-ink-secondary); max-width: 360px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.article-body {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 48px 52px;
}
.article-header { margin-bottom: 28px; }
.article-title {
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  line-height: 1.3;
  font-weight: 800;
  color: var(--color-ink);
  margin-bottom: 18px;
  letter-spacing: .5px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 13px;
  color: var(--color-ink-tertiary);
}
.meta-item { display: flex; align-items: center; gap: 6px; }
.meta-item i { font-size: 14px; color: var(--color-primary); }
.article-cover {
  margin-bottom: 32px;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.article-cover img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.article-content {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-ink);
}
.article-content p { margin-bottom: 20px; }
.article-content h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 36px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--color-accent);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--color-primary);
}
.article-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin: 20px 0 10px;
}
.article-content ul,
.article-content ol {
  padding-left: 22px;
  margin-bottom: 20px;
}
.article-content ul li { list-style: disc; margin-bottom: 8px; }
.article-content ol li { list-style: decimal; margin-bottom: 8px; }
.article-content blockquote {
  border-left: 4px solid var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 0 12px 12px 0;
  padding: 16px 20px;
  margin: 24px 0;
  color: var(--color-ink-secondary);
  font-size: 14px;
}
.article-content img { border-radius: 12px; margin: 16px 0; }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}
.article-content table th,
.article-content table td {
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  text-align: left;
}
.article-content table th { background: var(--color-primary-soft); color: var(--color-primary); font-weight: 600; }
.article-content table tr:nth-child(even) td { background: var(--color-surface-alt); }
.article-content pre {
  background: var(--color-ink);
  color: #D6D3E2;
  border-radius: 12px;
  padding: 16px 20px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.7;
  margin: 20px 0;
}
.article-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}
.article-content pre code { background: transparent; color: inherit; padding: 0; }
.article-content a { text-decoration: underline; text-underline-offset: 3px; }

/* ===== Article Footer ===== */
.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-chip {
  display: inline-block;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  color: var(--color-ink-secondary);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.tag-chip:hover { background: var(--color-primary-soft); color: var(--color-primary); border-color: var(--color-primary-soft); }
.article-share { display: flex; align-items: center; gap: 10px; }
.share-label { font-size: 13px; color: var(--color-ink-tertiary); }
.share-btn {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-ink-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all .2s ease;
}
.share-btn:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow-card); }

/* ===== Empty State ===== */
.content-empty {
  text-align: center;
  padding: 64px 24px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
.content-empty i { font-size: 48px; color: var(--color-border); margin-bottom: 16px; }
.content-empty h3 { font-size: 18px; color: var(--color-ink); margin-bottom: 8px; }
.content-empty p { font-size: 14px; color: var(--color-ink-tertiary); margin-bottom: 24px; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  background: var(--color-gradient-main);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-primary:hover { color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-cast); filter: brightness(1.05); }
.btn-primary:active { transform: translateY(0); }

/* ===== Related Posts ===== */
.related-posts {
  margin-top: 56px;
}
.related-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.related-header h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-ink);
  position: relative;
  padding-left: 14px;
}
.related-header h2::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 20px;
  border-radius: 2px;
  background: var(--color-accent);
}
.related-link { font-size: 14px; color: var(--color-ink-tertiary); transition: color .2s ease; }
.related-link:hover { color: var(--color-primary); }

.related-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.related-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px;
  box-shadow: var(--shadow-card);
  transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}
.related-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); border-color: var(--color-primary-soft); }
.related-img {
  width: 160px;
  height: 100px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-primary-soft);
}
.related-info { flex: 1; min-width: 0; }
.related-info h3 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-ink);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-info h3:hover { color: var(--color-primary); }
.related-excerpt {
  font-size: 13px;
  color: var(--color-ink-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 8px;
}
.related-meta { font-size: 12px; color: var(--color-ink-tertiary); display: flex; align-items: center; gap: 10px; }
.related-meta .tag-mini {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
}

/* ===== Article CTA ===== */
.article-cta {
  margin-top: 48px;
  border-radius: var(--radius-lg);
  background: var(--color-gradient-hero);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  position: relative;
  overflow: hidden;
}
.article-cta::after {
  content: '';
  position: absolute;
  right: -60px; top: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(255, 107, 53, .35) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-text h2 {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.cta-text p { color: rgba(255, 255, 255, .75); font-size: 14px; line-height: 1.6; }
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all .2s ease;
  white-space: nowrap;
}
.cta-btn:hover { background: var(--color-primary); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,0,0,.2); }

/* ===== Footer ===== */
.site-footer {
  margin-left: 220px;
  background: var(--color-ink);
  color: #B9B4C8;
  border-top: 4px solid transparent;
  border-image: linear-gradient(90deg, var(--color-primary), var(--color-accent), transparent) 1;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 32px 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo-icon {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--color-gradient-main);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 17px;
}
.footer-brand .footer-logo span:last-child {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .5px;
}
.footer-desc { font-size: 13px; line-height: 1.7; color: #9C97AD; margin-bottom: 16px; }
.footer-icp { font-size: 12px; color: #6F6A82; }
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: #B9B4C8; font-size: 13px; transition: color .2s ease; }
.footer-col ul a:hover { color: var(--color-accent); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 32px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copyright { font-size: 13px; color: #6F6A82; }
.footer-social { display: flex; gap: 10px; }
.social-btn {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.15);
  background: transparent;
  color: #B9B4C8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all .2s ease;
}
.social-btn:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.mobile-open { transform: translateX(0); box-shadow: 4px 0 32px rgba(30,27,42,.25); }
  .mobile-header { display: flex; }
  .mobile-overlay.show { display: block; }
  .main-content { margin-left: 0; padding: 88px 20px 56px; }
  .site-footer { margin-left: 0; }
  .footer-inner { grid-template-columns: 1fr 1fr; padding: 40px 20px 24px; }
  .footer-bottom { padding: 16px 20px; }
}

@media (max-width: 767px) {
  .main-content { padding: 76px 16px 48px; }
  .article-body { padding: 28px 20px; border-radius: var(--radius-md); }
  .article-title { font-size: 1.4rem; }
  .article-meta { gap: 12px; }
  .article-cover img { aspect-ratio: 16 / 9; }
  .related-card { flex-direction: column; align-items: flex-start; }
  .related-img { width: 100%; height: 160px; }
  .related-excerpt { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .article-footer { flex-direction: column; align-items: flex-start; }
  .article-cta { padding: 28px 24px; flex-direction: column; align-items: flex-start; }
  .cta-btn { width: 100%; justify-content: center; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .topbar { padding: 0 12px; }
  .topbar-links a:last-child { display: none; }
}

@media (max-width: 520px) {
  .breadcrumb .current { max-width: 180px; }
  .related-info h3 { -webkit-line-clamp: 2; }
  .content-empty { padding: 40px 16px; }
}

/* roulang page: category3 */
:root {
      --color-bg: #F6F5F8;
      --color-surface: #FFFFFF;
      --color-surface-alt: #F1EEF7;
      --color-ink: #1E1B2A;
      --color-ink-secondary: #5D5872;
      --color-ink-tertiary: #8B869D;
      --color-primary: #4C2E88;
      --color-primary-hover: #6C48B8;
      --color-primary-soft: #EDE7F8;
      --color-accent: #FF6B35;
      --color-accent-soft: #FFF0E8;
      --color-success: #2FBF8F;
      --color-border: #E9E6F0;
      --color-gradient-main: linear-gradient(135deg, #4C2E88 0%, #7B4FBF 50%, #FF6B35 130%);
      --color-gradient-hero: linear-gradient(118deg, #241D3A 0%, #4C2E88 68%, #7B4FBF 100%);
      --shadow-card: 0 4px 16px rgba(76, 46, 136, 0.08);
      --shadow-card-hover: 0 12px 32px rgba(76, 46, 136, 0.15);
      --shadow-cast: 0 4px 24px rgba(255, 107, 53, 0.30);
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 12px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, sans-serif;
      background: var(--color-bg);
      color: var(--color-ink);
      line-height: 1.6;
      font-size: 15px;
      overflow-x: hidden;
    }

    a {
      color: var(--color-primary);
      text-decoration: none;
      transition: color 0.2s ease;
    }

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

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

    button,
    input {
      font-family: inherit;
    }

    .container {
      max-width: 1200px;
      padding: 0 32px;
      margin: 0 auto;
    }

    /* ===== Topbar ===== */
    .topbar {
      height: 36px;
      background: var(--color-ink);
      color: rgba(255, 255, 255, 0.85);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 24px;
      font-size: 13px;
    }

    .topbar-status {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .topbar-status .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-success);
      animation: pulse 1.6s infinite;
    }

    .topbar-links a {
      color: rgba(255, 255, 255, 0.85);
      margin-left: 16px;
      font-size: 13px;
    }

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

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.5; }
    }

    /* ===== Sidebar ===== */
    .sidebar {
      position: fixed;
      top: 0;
      left: 0;
      width: 220px;
      height: 100vh;
      background: var(--color-surface);
      border-right: 1px solid var(--color-border);
      display: flex;
      flex-direction: column;
      padding: 24px 16px;
      z-index: 200;
      overflow-y: auto;
    }

    .sidebar-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      height: 56px;
      margin-bottom: 24px;
      padding: 0 8px;
    }

    .logo-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--color-gradient-main);
      color: #fff;
      font-size: 18px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .logo-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--color-primary);
      letter-spacing: 0.5px;
      white-space: nowrap;
    }

    .sidebar-nav {
      display: flex;
      flex-direction: column;
      gap: 4px;
      flex: 1;
    }

    .sidebar-nav .nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      height: 44px;
      padding: 0 14px;
      border-radius: var(--radius-sm);
      color: var(--color-ink-secondary);
      font-size: 15px;
      font-weight: 500;
      transition: background 0.2s ease, color 0.2s ease;
      position: relative;
    }

    .sidebar-nav .nav-item i {
      width: 18px;
      text-align: center;
      font-size: 15px;
    }

    .sidebar-nav .nav-item:hover {
      background: var(--color-primary-soft);
      color: var(--color-primary);
    }

    .sidebar-nav .nav-item.active {
      background: var(--color-primary);
      color: #fff;
      font-weight: 600;
    }

    .sidebar-nav .nav-item.active::before {
      content: '';
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 3px;
      height: 18px;
      border-radius: 3px;
      background: var(--color-accent);
    }

    .sidebar-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      padding: 16px 8px 0;
      border-top: 1px solid var(--color-border);
      margin-top: 16px;
    }

    .stat-badge {
      background: var(--color-primary-soft);
      color: var(--color-primary);
      font-size: 12px;
      font-weight: 600;
      border-radius: 999px;
      padding: 6px 12px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .stat-badge i {
      font-size: 10px;
      color: var(--color-success);
    }

    /* ===== Mobile Header ===== */
    .mobile-header {
      display: none;
      align-items: center;
      justify-content: space-between;
      height: 56px;
      padding: 0 16px;
      background: var(--color-surface);
      border-bottom: 1px solid var(--color-border);
      position: sticky;
      top: 0;
      z-index: 150;
    }

    .mobile-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 18px;
      font-weight: 800;
      color: var(--color-primary);
    }

    .menu-toggle {
      width: 36px;
      height: 36px;
      border: 1px solid var(--color-border);
      background: var(--color-surface);
      border-radius: 10px;
      font-size: 16px;
      color: var(--color-primary);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s ease;
    }

    .menu-toggle:hover {
      background: var(--color-primary-soft);
    }

    .sidebar-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(30, 27, 42, 0.4);
      z-index: 180;
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .sidebar-overlay.show {
      opacity: 1;
    }

    /* ===== Main Content ===== */
    .main-content {
      margin-left: 220px;
      min-height: calc(100vh - 36px);
    }

    .main-inner {
      max-width: 1200px;
      padding: 0 32px;
      margin: 0 auto;
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb {
      padding: 20px 0 0;
      font-size: 13px;
      color: var(--color-ink-tertiary);
    }

    .breadcrumb a {
      color: var(--color-ink-tertiary);
    }

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

    .breadcrumb span {
      margin: 0 6px;
      color: var(--color-ink-tertiary);
    }

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

    /* ===== Page Hero ===== */
    .page-hero {
      position: relative;
      margin-top: 24px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--color-gradient-hero);
      padding: 48px 44px;
      color: #fff;
      display: flex;
      align-items: center;
      min-height: 260px;
    }

    .page-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
      background-size: 24px 24px;
      pointer-events: none;
    }

    .page-hero-content {
      position: relative;
      z-index: 2;
      max-width: 720px;
    }

    .page-hero .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.25);
      color: #fff;
      font-size: 13px;
      font-weight: 600;
      border-radius: 999px;
      padding: 6px 14px;
      margin-bottom: 18px;
      backdrop-filter: blur(6px);
    }

    .page-hero .hero-tag i {
      color: var(--color-accent);
    }

    .page-hero h1 {
      font-size: clamp(1.75rem, 3.2vw, 2.5rem);
      line-height: 1.2;
      font-weight: 800;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .page-hero p {
      font-size: 15px;
      line-height: 1.75;
      color: rgba(255, 255, 255, 0.8);
      margin-bottom: 28px;
      max-width: 620px;
    }

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

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 44px;
      padding: 0 28px;
      border: none;
      border-radius: var(--radius-sm);
      background: var(--color-gradient-main);
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
    }

    .btn-primary:hover {
      filter: brightness(1.05);
      transform: translateY(-1px);
      box-shadow: var(--shadow-cast);
      color: #fff;
    }

    .btn-primary:active {
      transform: translateY(0px);
    }

    .btn-outline-light {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 44px;
      padding: 0 28px;
      border: 1px solid rgba(255, 255, 255, 0.7);
      border-radius: var(--radius-sm);
      background: transparent;
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    }

    .btn-outline-light:hover {
      background: #fff;
      color: var(--color-primary);
      border-color: #fff;
    }

    .btn:focus-visible,
    .btn-primary:focus-visible,
    .btn-outline-light:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }

    .page-hero .hero-rank {
      position: absolute;
      right: 40px;
      top: 40px;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      max-width: 220px;
    }

    .rank-badge {
      background: rgba(0, 0, 0, 0.35);
      border-radius: 999px;
      padding: 8px 16px;
      font-size: 13px;
      font-weight: 600;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
      backdrop-filter: blur(10px);
    }

    .rank-badge i {
      color: var(--color-accent);
    }

    /* ===== Section Common ===== */
    .section {
      padding: 64px 0;
      border-bottom: 1px solid var(--color-border);
    }

    .section:last-of-type {
      border-bottom: none;
    }

    .section-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 32px;
    }

    .section-bar {
      width: 4px;
      height: 22px;
      border-radius: 4px;
      background: var(--color-gradient-main);
    }

    .section-header h2 {
      font-size: 1.375rem;
      font-weight: 700;
      color: var(--color-ink);
    }

    .section-desc {
      color: var(--color-ink-tertiary);
      font-size: 14px;
      margin-top: 4px;
    }

    /* ===== Notice Types ===== */
    .types-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .type-card {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
    }

    .type-card:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-4px);
      border-color: var(--color-primary-soft);
    }

    .type-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: var(--color-primary-soft);
      color: var(--color-primary);
      font-size: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
    }

    .type-card h3 {
      font-size: 1.0625rem;
      font-weight: 600;
      color: var(--color-ink);
      margin-bottom: 10px;
    }

    .type-card p {
      font-size: 14px;
      line-height: 1.7;
      color: var(--color-ink-secondary);
    }

    /* ===== Features ===== */
    .features-wrap {
      background: var(--color-surface-alt);
      border-radius: var(--radius-lg);
      padding: 44px;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }

    .feature-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
    }

    .feature-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: var(--color-accent-soft);
      color: var(--color-accent);
      font-size: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .feature-item h3 {
      font-size: 1.0625rem;
      font-weight: 600;
      color: var(--color-ink);
      margin-bottom: 6px;
    }

    .feature-item p {
      font-size: 14px;
      color: var(--color-ink-secondary);
      line-height: 1.7;
    }

    /* ===== Flow ===== */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      counter-reset: step;
    }

    .step-card {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      position: relative;
      transition: box-shadow 0.25s ease, transform 0.25s ease;
    }

    .step-card:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-4px);
    }

    .step-card::before {
      counter-increment: step;
      content: counter(step);
      position: absolute;
      top: 22px;
      right: 24px;
      font-size: 28px;
      font-weight: 800;
      color: var(--color-primary-soft);
      line-height: 1;
    }

    .step-card .step-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: var(--color-gradient-main);
      color: #fff;
      font-size: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }

    .step-card h3 {
      font-size: 1rem;
      font-weight: 600;
      color: var(--color-ink);
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 13px;
      color: var(--color-ink-secondary);
      line-height: 1.65;
    }

    /* ===== Channels ===== */
    .channels-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .channel-card {
      display: flex;
      gap: 18px;
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 26px 24px;
      transition: box-shadow 0.25s ease, transform 0.25s ease;
    }

    .channel-card:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-4px);
    }

    .channel-img {
      width: 120px;
      height: 90px;
      border-radius: 12px;
      object-fit: cover;
      flex-shrink: 0;
      background: var(--color-primary-soft);
    }

    .channel-info h3 {
      font-size: 1rem;
      font-weight: 600;
      color: var(--color-ink);
      margin-bottom: 6px;
    }

    .channel-info p {
      font-size: 13px;
      color: var(--color-ink-secondary);
      line-height: 1.6;
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 860px;
    }

    .faq-item {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      height: 52px;
      background: transparent;
      border: none;
      cursor: pointer;
      font-size: 15px;
      font-weight: 500;
      color: var(--color-ink);
      text-align: left;
      transition: background 0.2s ease;
    }

    .faq-question:hover {
      background: var(--color-surface-alt);
    }

    .faq-question .faq-icon {
      font-size: 16px;
      color: var(--color-primary);
      transition: transform 0.3s ease;
      flex-shrink: 0;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      padding: 0 20px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 0 20px 18px;
    }

    .faq-answer p {
      font-size: 14px;
      line-height: 1.75;
      color: var(--color-ink-secondary);
    }

    /* ===== CTA ===== */
    .cta-section {
      max-width: 1200px;
      margin: 0 auto;
      padding: 64px 32px 80px;
    }

    .cta-card {
      background: var(--color-gradient-main);
      border-radius: var(--radius-lg);
      padding: 44px 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .cta-card::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
      background-size: 20px 20px;
      pointer-events: none;
    }

    .cta-left {
      position: relative;
      z-index: 1;
      flex: 1;
      min-width: 280px;
    }

    .cta-left h2 {
      font-size: 1.375rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .cta-left p {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.8);
      line-height: 1.6;
    }

    .cta-subscribe {
      position: relative;
      z-index: 1;
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      align-items: center;
    }

    .cta-input {
      height: 48px;
      width: 280px;
      border: none;
      border-radius: var(--radius-sm);
      padding: 0 16px;
      font-size: 14px;
      background: #fff;
      color: var(--color-ink);
    }

    .cta-input::placeholder {
      color: var(--color-ink-tertiary);
    }

    .cta-btn {
      height: 48px;
      padding: 0 28px;
      border: none;
      border-radius: var(--radius-sm);
      background: #fff;
      color: var(--color-primary);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }

    .cta-btn:hover {
      background: var(--color-primary);
      color: #fff;
      transform: translateY(-1px);
    }

    .cta-note {
      position: relative;
      z-index: 1;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 255, 255, 0.15);
      border-radius: 999px;
      padding: 6px 14px;
      font-size: 12px;
      color: #fff;
      margin-top: 12px;
      flex-basis: 100%;
    }

    .cta-note i {
      color: var(--color-accent);
    }

    /* ===== Footer ===== */
    .site-footer {
      margin-left: 220px;
      background: var(--color-ink);
      color: #B9B4C8;
      font-size: 14px;
      border-top: 4px solid transparent;
      border-image: linear-gradient(90deg, #4C2E88, #FF6B35, transparent) 1;
    }

    .footer-inner {
      max-width: 1200px;
      padding: 48px 32px 32px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 32px;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 14px;
    }

    .footer-logo-icon {
      width: 32px;
      height: 32px;
      border-radius: 10px;
      background: var(--color-gradient-main);
      color: #fff;
      font-size: 16px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .footer-logo span {
      font-size: 18px;
      font-weight: 800;
      color: #fff;
    }

    .footer-desc {
      font-size: 13px;
      line-height: 1.7;
      color: #B9B4C8;
      margin-bottom: 12px;
    }

    .footer-icp {
      font-size: 12px;
      color: #8B869D;
    }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
    }

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

    .footer-col ul a {
      color: #B9B4C8;
      font-size: 14px;
    }

    .footer-col ul a:hover {
      color: var(--color-accent);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 20px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-copyright {
      font-size: 13px;
      color: #8B869D;
    }

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

    .social-btn {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
      color: #B9B4C8;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      transition: background 0.2s ease, color 0.2s ease;
    }

    .social-btn:hover {
      background: var(--color-primary-hover);
      color: #fff;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1199px) {
      .types-grid {
        grid-template-columns: repeat(2, 1fr);
      }

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

    @media (max-width: 1023px) {
      .desktop-only {
        display: none;
      }

      .mobile-header {
        display: flex;
      }

      .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: 4px 0 24px rgba(30, 27, 42, 0.12);
      }

      .sidebar.open {
        transform: translateX(0);
      }

      .sidebar-overlay.show {
        display: block;
        opacity: 1;
      }

      .main-content {
        margin-left: 0;
      }

      .site-footer {
        margin-left: 0;
      }

      .topbar {
        padding: 0 16px;
      }

      .main-inner {
        padding: 0 20px;
      }
    }

    @media (max-width: 768px) {
      .topbar-links a:not(:first-child) {
        display: none;
      }

      .page-hero {
        padding: 32px 24px;
        min-height: 220px;
      }

      .page-hero .hero-rank {
        position: static;
        margin-top: 20px;
        max-width: 100%;
      }

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

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

      .features-wrap {
        padding: 28px 20px;
      }

      .flow-steps {
        grid-template-columns: 1fr;
      }

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

      .cta-card {
        padding: 32px 24px;
        flex-direction: column;
        align-items: flex-start;
      }

      .cta-input {
        width: 100%;
      }

      .cta-btn {
        width: 100%;
      }

      .footer-inner {
        grid-template-columns: 1fr;
        padding: 40px 20px 24px;
      }

      .footer-bottom {
        padding: 16px 20px;
        justify-content: center;
      }

      .main-inner {
        padding: 0 16px;
      }

      .section {
        padding: 40px 0;
      }
    }

    @media (max-width: 520px) {
      .hero-btns {
        flex-direction: column;
        width: 100%;
      }

      .hero-btns .btn-primary,
      .hero-btns .btn-outline-light {
        width: 100%;
        justify-content: center;
      }

      .channel-card {
        flex-direction: column;
      }

      .channel-img {
        width: 100%;
        height: 160px;
      }
    }

/* roulang page: category2 */
:root {
      --color-bg: #F6F5F8;
      --color-surface: #FFFFFF;
      --color-surface-alt: #F1EEF7;
      --color-ink: #1E1B2A;
      --color-ink-secondary: #5D5872;
      --color-ink-tertiary: #8B869D;
      --color-primary: #4C2E88;
      --color-primary-hover: #6C48B8;
      --color-primary-soft: #EDE7F8;
      --color-accent: #FF6B35;
      --color-accent-soft: #FFF0E8;
      --color-success: #2FBF8F;
      --color-border: #E9E6F0;
      --gradient-main: linear-gradient(135deg, #4C2E88 0%, #7B4FBF 50%, #FF6B35 130%);
      --gradient-hero: linear-gradient(118deg, #241D3A 0%, #4C2E88 68%, #7B4FBF 100%);
      --shadow-card: 0 4px 16px rgba(76, 46, 136, 0.08);
      --shadow-card-hover: 0 12px 32px rgba(76, 46, 136, 0.15);
      --shadow-cast: 0 4px 24px rgba(255, 107, 53, 0.30);
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      background: var(--color-bg);
      color: var(--color-ink);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      padding-top: 36px;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease;
    }

    button, input {
      font-family: inherit;
    }

    ul {
      list-style: none;
    }

    :focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }

    /* ===== Topbar ===== */
    .topbar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 36px;
      background: var(--color-ink);
      color: rgba(255,255,255,0.85);
      font-size: 0.8125rem;
      z-index: 100;
    }
    .topbar-inner {
      max-width: 1440px;
      height: 100%;
      margin: 0 auto;
      padding: 0 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .topbar-left {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-success);
      animation: pulse 1.6s infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.5; }
    }
    .status-text {
      color: rgba(255,255,255,0.8);
    }
    .topbar-right {
      display: flex;
      align-items: center;
      gap: 18px;
    }
    .topbar-right a {
      color: rgba(255,255,255,0.7);
      font-size: 0.8125rem;
      transition: color .2s;
    }
    .topbar-right a:hover {
      color: var(--color-accent);
    }

    /* ===== Layout ===== */
    .layout {
      display: flex;
      min-height: calc(100vh - 36px);
    }

    /* ===== Sidebar ===== */
    .sidebar {
      position: fixed;
      top: 36px;
      bottom: 0;
      left: 0;
      width: 220px;
      background: var(--color-surface);
      border-right: 1px solid var(--color-border);
      display: flex;
      flex-direction: column;
      padding: 24px 16px;
      z-index: 50;
    }
    .sidebar-logo {
      height: 56px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 8px;
      margin-bottom: 20px;
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--gradient-main);
      color: #fff;
      font-weight: 800;
      font-size: 1.125rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .sidebar-logo span:not(.logo-icon) {
      font-size: 1.125rem;
      font-weight: 800;
      color: var(--color-primary);
      white-space: nowrap;
    }
    .sidebar-nav {
      display: flex;
      flex-direction: column;
      gap: 4px;
      flex: 1;
    }
    .nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      height: 44px;
      padding: 0 14px;
      border-radius: var(--radius-sm);
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--color-ink-secondary);
      transition: background .2s, color .2s;
      position: relative;
    }
    .nav-item i {
      width: 18px;
      text-align: center;
      font-size: 0.9375rem;
    }
    .nav-item:hover {
      background: var(--color-primary-soft);
      color: var(--color-primary);
    }
    .nav-item.active {
      background: var(--color-primary);
      color: #fff;
      font-weight: 600;
    }
    .nav-item.active::before {
      content: "";
      position: absolute;
      left: 0;
      top: 12px;
      bottom: 12px;
      width: 3px;
      border-radius: 0 3px 3px 0;
      background: var(--color-accent);
    }
    .sidebar-badges {
      display: flex;
      flex-direction: column;
      gap: 8px;
      padding-top: 16px;
      border-top: 1px solid var(--color-border);
    }
    .badge-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.75rem;
      color: var(--color-ink-tertiary);
      background: var(--color-primary-soft);
      border-radius: 999px;
      padding: 6px 12px;
    }
    .badge-item i {
      color: var(--color-primary);
      font-size: 0.75rem;
    }
    .badge-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--color-success);
      display: inline-block;
    }

    /* ===== Mobile Header ===== */
    .mobile-header {
      display: none;
      position: fixed;
      top: 36px;
      left: 0;
      right: 0;
      height: 56px;
      background: var(--color-surface);
      border-bottom: 1px solid var(--color-border);
      align-items: center;
      justify-content: space-between;
      padding: 0 16px;
      z-index: 90;
    }
    .mobile-logo {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .mobile-logo span:not(.logo-icon) {
      font-size: 1.0625rem;
      font-weight: 800;
      color: var(--color-primary);
    }
    .mobile-menu-btn {
      width: 36px;
      height: 36px;
      border: none;
      background: var(--color-primary-soft);
      border-radius: 8px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
      cursor: pointer;
    }
    .mobile-menu-btn span {
      width: 18px;
      height: 2px;
      background: var(--color-primary);
      border-radius: 2px;
      transition: transform .2s;
    }
    .mobile-menu-btn:hover span {
      background: var(--color-accent);
    }

    /* ===== Drawer ===== */
    .drawer {
      display: none;
    }
    .drawer-overlay {
      display: none;
    }

    /* ===== Main Content ===== */
    .main-content {
      margin-left: 220px;
      flex: 1;
      max-width: 1200px;
      padding: 32px 32px 48px;
      min-width: 0;
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 0.8125rem;
      color: var(--color-ink-tertiary);
      margin-bottom: 20px;
      flex-wrap: wrap;
    }
    .breadcrumb a {
      color: var(--color-ink-tertiary);
    }
    .breadcrumb a:hover {
      color: var(--color-primary);
    }
    .breadcrumb-sep {
      color: var(--color-border);
    }
    .breadcrumb-current {
      color: var(--color-ink-secondary);
      font-weight: 500;
    }

    /* ===== Page Header ===== */
    .page-header {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      margin-bottom: 28px;
      position: relative;
      overflow: hidden;
    }
    .page-header::after {
      content: "";
      position: absolute;
      right: -60px;
      top: -60px;
      width: 160px;
      height: 160px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(124, 79, 191, 0.15), transparent 70%);
      pointer-events: none;
    }
    .page-header h1 {
      font-size: clamp(1.75rem, 3vw, 2.25rem);
      font-weight: 800;
      line-height: 1.25;
      color: var(--color-ink);
      margin-bottom: 12px;
    }
    .page-header p {
      font-size: 0.9375rem;
      color: var(--color-ink-secondary);
      line-height: 1.75;
      max-width: 680px;
    }

    /* ===== Featured Card ===== */
    .featured-card {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 28px;
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: box-shadow .25s, transform .25s;
      margin-bottom: 36px;
    }
    .featured-card:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-4px);
    }
    .featured-media {
      position: relative;
      min-height: 260px;
    }
    .featured-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      aspect-ratio: 16/9;
    }
    .featured-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      background: var(--color-accent);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 5px 12px;
      border-radius: 999px;
      box-shadow: var(--shadow-cast);
    }
    .featured-content {
      padding: 32px 32px 28px 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: flex-start;
    }
    .featured-content h2 {
      font-size: 1.375rem;
      font-weight: 700;
      line-height: 1.4;
      color: var(--color-ink);
      margin-bottom: 12px;
    }
    .featured-content p {
      font-size: 0.875rem;
      color: var(--color-ink-secondary);
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .featured-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 20px;
    }
    .read-time {
      font-size: 0.8125rem;
      color: var(--color-ink-tertiary);
    }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 44px;
      padding: 0 26px;
      border-radius: var(--radius-sm);
      font-size: 0.9375rem;
      font-weight: 600;
      cursor: pointer;
      border: none;
      transition: transform .2s, box-shadow .2s, background .2s;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--gradient-main);
      color: #fff;
      box-shadow: 0 2px 8px rgba(76, 46, 136, 0.25);
    }
    .btn-primary:hover {
      transform: translateY(-1px);
      box-shadow: var(--shadow-cast);
    }
    .btn-primary:active {
      transform: translateY(0);
    }
    .btn-outline {
      background: transparent;
      border: 1px solid var(--color-border);
      color: var(--color-primary);
    }
    .btn-outline:hover {
      background: var(--color-primary-soft);
      border-color: var(--color-primary);
    }
    .btn-white {
      background: #fff;
      color: var(--color-primary);
    }
    .btn-white:hover {
      background: var(--color-primary);
      color: #fff;
    }

    /* ===== Section Common ===== */
    .section-heading {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 24px;
    }
    .heading-bar {
      width: 5px;
      height: 20px;
      border-radius: 3px;
      background: var(--gradient-main);
      flex-shrink: 0;
    }
    .section-heading h2 {
      font-size: 1.375rem;
      font-weight: 700;
      color: var(--color-ink);
    }

    .section {
      margin-bottom: 48px;
    }

    /* ===== Review Grid ===== */
    .review-section {
      margin-bottom: 52px;
    }
    .review-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .review-card {
      display: flex;
      gap: 18px;
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: var(--shadow-card);
      transition: box-shadow .25s, transform .25s;
      align-items: flex-start;
    }
    .review-card:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-3px);
    }
    .review-thumb {
      width: 170px;
      min-width: 170px;
      height: 108px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      background: var(--color-primary-soft);
    }
    .review-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .review-body {
      flex: 1;
      min-width: 0;
    }
    .review-body h3 {
      font-size: 1rem;
      font-weight: 600;
      line-height: 1.45;
      color: var(--color-ink);
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .review-body p {
      font-size: 0.8125rem;
      color: var(--color-ink-secondary);
      line-height: 1.6;
      margin-bottom: 12px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .review-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }
    .meta-date {
      font-size: 0.75rem;
      color: var(--color-ink-tertiary);
    }

    /* ===== Tag Chips ===== */
    .tag-chip {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 500;
      color: var(--color-primary);
      background: var(--color-primary-soft);
      padding: 4px 12px;
      border-radius: 999px;
      line-height: 1.4;
    }

    /* ===== Process Section ===== */
    .process-section {
      background: var(--color-surface-alt);
      border-radius: var(--radius-lg);
      padding: 40px;
      margin-bottom: 52px;
    }
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
      margin-top: 8px;
    }
    .process-step {
      position: relative;
      text-align: left;
      padding-top: 8px;
    }
    .process-step::before {
      content: "";
      position: absolute;
      top: 34px;
      right: -14px;
      width: calc(100% - 20px);
      height: 2px;
      background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
      opacity: 0.3;
    }
    .process-step:last-child::before {
      display: none;
    }
    .step-num {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: var(--gradient-main);
      color: #fff;
      font-weight: 800;
      font-size: 1.125rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      box-shadow: 0 4px 12px rgba(76, 46, 136, 0.2);
    }
    .process-step h3 {
      font-size: 1rem;
      font-weight: 600;
      color: var(--color-ink);
      margin-bottom: 6px;
    }
    .process-step p {
      font-size: 0.8125rem;
      color: var(--color-ink-secondary);
      line-height: 1.6;
    }

    /* ===== Scenario Section ===== */
    .scenario-section {
      margin-bottom: 52px;
    }
    .scenario-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .scenario-item {
      display: flex;
      gap: 14px;
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 20px;
      transition: box-shadow .2s, transform .2s;
      align-items: flex-start;
    }
    .scenario-item:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-2px);
    }
    .scenario-icon {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: var(--color-accent-soft);
      color: var(--color-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      flex-shrink: 0;
    }
    .scenario-item h3 {
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--color-ink);
      margin-bottom: 4px;
    }
    .scenario-item p {
      font-size: 0.8125rem;
      color: var(--color-ink-secondary);
      line-height: 1.6;
    }

    /* ===== FAQ ===== */
    .faq-section {
      margin-bottom: 52px;
    }
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color .2s;
    }
    .faq-item:hover {
      border-color: var(--color-primary-soft);
    }
    .faq-item summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 24px;
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--color-ink);
      cursor: pointer;
      list-style: none;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary::after {
      content: "+";
      font-size: 1.375rem;
      color: var(--color-primary);
      font-weight: 400;
      transition: transform .25s;
      flex-shrink: 0;
      margin-left: 12px;
    }
    .faq-item[open] summary::after {
      transform: rotate(45deg);
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 0.875rem;
      color: var(--color-ink-secondary);
      line-height: 1.75;
    }

    /* ===== CTA ===== */
    .cta-section {
      background: var(--gradient-main);
      border-radius: var(--radius-lg);
      padding: 40px 44px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: "";
      position: absolute;
      top: -50%;
      right: -10%;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(255,255,255,0.06);
    }
    .cta-left {
      flex: 1;
      min-width: 260px;
    }
    .cta-left h2 {
      font-size: 1.375rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
    }
    .cta-left p {
      font-size: 0.875rem;
      color: rgba(255,255,255,0.75);
      line-height: 1.6;
    }
    .cta-right {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      align-items: center;
    }
    .cta-input {
      height: 48px;
      width: 260px;
      border: none;
      border-radius: var(--radius-sm);
      padding: 0 16px;
      font-size: 0.875rem;
      background: #fff;
      color: var(--color-ink);
    }
    .cta-input::placeholder {
      color: var(--color-ink-tertiary);
    }
    .cta-input:focus {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--color-ink);
      color: #B9B4C8;
      border-top: 4px solid;
      border-image: linear-gradient(90deg, var(--color-primary), var(--color-accent), transparent) 1;
      position: relative;
      z-index: 10;
    }
    .footer-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 48px 32px 32px;
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
    }
    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 14px;
    }
    .footer-logo .footer-logo-icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: var(--gradient-main);
      color: #fff;
      font-weight: 800;
      font-size: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .footer-logo span:not(.footer-logo-icon) {
      font-size: 1.0625rem;
      font-weight: 800;
      color: #fff;
    }
    .footer-desc {
      font-size: 0.8125rem;
      line-height: 1.7;
      color: #B9B4C8;
      margin-bottom: 16px;
      max-width: 320px;
    }
    .footer-icp {
      font-size: 0.75rem;
      color: rgba(255,255,255,0.35);
    }
    .footer-col h4 {
      font-size: 0.875rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-col ul {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-col a {
      font-size: 0.8125rem;
      color: #B9B4C8;
      transition: color .2s;
    }
    .footer-col a:hover {
      color: var(--color-accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.08);
      padding: 20px 32px;
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }
    .footer-copyright {
      font-size: 0.8125rem;
      color: rgba(255,255,255,0.4);
    }
    .footer-social {
      display: flex;
      gap: 10px;
    }
    .social-btn {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: rgba(255,255,255,0.06);
      color: #B9B4C8;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.875rem;
      transition: background .2s, color .2s;
    }
    .social-btn:hover {
      background: var(--color-primary);
      color: #fff;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1100px) {
      .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px 28px;
      }
      .process-step::before {
        display: none;
      }
      .review-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 1024px) {
      .sidebar {
        display: none;
      }
      .mobile-header {
        display: flex;
      }
      .main-content {
        margin-left: 0;
        margin-top: 56px;
        padding: 24px 20px 48px;
      }
      .drawer {
        display: flex;
        position: fixed;
        top: 0;
        bottom: 0;
        left: 0;
        width: 280px;
        background: var(--color-surface);
        z-index: 200;
        flex-direction: column;
        padding: 24px 16px;
        transform: translateX(-100%);
        transition: transform .3s ease;
        box-shadow: 4px 0 24px rgba(0,0,0,0.08);
      }
      .drawer.open {
        transform: translateX(0);
      }
      .drawer-header {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 0 8px;
        margin-bottom: 24px;
        height: 48px;
      }
      .drawer-header span:not(.logo-icon) {
        font-size: 1.0625rem;
        font-weight: 800;
        color: var(--color-primary);
        flex: 1;
      }
      .drawer-close {
        width: 32px;
        height: 32px;
        border: none;
        background: var(--color-primary-soft);
        border-radius: 8px;
        font-size: 1.125rem;
        color: var(--color-primary);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
      }
      .drawer-close:hover {
        background: var(--color-accent-soft);
        color: var(--color-accent);
      }
      .drawer-nav {
        display: flex;
        flex-direction: column;
        gap: 4px;
      }
      .drawer-nav .nav-item {
        height: 44px;
        border-radius: var(--radius-sm);
        padding: 0 14px;
        font-size: 0.9375rem;
        font-weight: 500;
        color: var(--color-ink-secondary);
        display: flex;
        align-items: center;
        gap: 12px;
      }
      .drawer-nav .nav-item i {
        width: 18px;
        text-align: center;
      }
      .drawer-nav .nav-item:hover {
        background: var(--color-primary-soft);
        color: var(--color-primary);
      }
      .drawer-nav .nav-item.active {
        background: var(--color-primary);
        color: #fff;
      }
      .drawer-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.4);
        z-index: 150;
        opacity: 0;
        pointer-events: none;
        transition: opacity .3s;
      }
      .drawer-overlay.active {
        opacity: 1;
        pointer-events: auto;
      }
    }

    @media (max-width: 768px) {
      .main-content {
        padding: 20px 16px 40px;
      }
      .page-header {
        padding: 28px 24px;
      }
      .page-header h1 {
        font-size: 1.625rem;
      }
      .featured-card {
        grid-template-columns: 1fr;
      }
      .featured-media {
        min-height: 200px;
      }
      .featured-content {
        padding: 24px 24px 28px;
      }
      .review-grid {
        grid-template-columns: 1fr;
      }
      .review-thumb {
        width: 130px;
        min-width: 130px;
        height: 90px;
      }
      .process-grid {
        grid-template-columns: 1fr;
      }
      .scenario-grid {
        grid-template-columns: 1fr;
      }
      .cta-section {
        padding: 32px 24px;
        flex-direction: column;
        align-items: stretch;
      }
      .cta-right {
        flex-direction: column;
        width: 100%;
      }
      .cta-input {
        width: 100%;
      }
      .cta-right .btn {
        width: 100%;
      }
      .footer-inner {
        grid-template-columns: 1fr 1fr;
        padding: 40px 20px 24px;
        gap: 28px;
      }
      .footer-bottom {
        padding: 16px 20px;
        flex-direction: column;
        justify-content: center;
        text-align: center;
      }
    }

    @media (max-width: 520px) {
      .topbar-right a:nth-child(2) {
        display: none;
      }
      .footer-inner {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .review-card {
        flex-direction: column;
      }
      .review-thumb {
        width: 100%;
        min-width: 100%;
        height: auto;
        aspect-ratio: 16/9;
      }
    }