/* roulang page: index */
:root {
  --c-bg: #070C18;
  --c-bg-soft: #0B1120;
  --c-glass: rgba(255,255,255,0.06);
  --c-glass-hover: rgba(255,255,255,0.10);
  --c-border: rgba(255,255,255,0.12);
  --c-primary: #2E7CF6;
  --c-accent: #00E5FF;
  --c-purple: #7B5CFF;
  --c-text: #F1F5FB;
  --c-text-secondary: #A7BCD6;
  --c-text-muted: #5F7395;
  --c-success: #22C55E;
  --c-error: #EF4444;
  --c-warning: #F59E0B;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 10px 30px rgba(0,0,0,0.35);
  --shadow-hover: 0 18px 40px rgba(0,0,0,0.45);
  --glow-primary: 0 0 24px rgba(46,124,246,0.45);
  --glow-accent: 0 0 48px rgba(0,229,255,0.25);
  --container: 1200px;
  --space-section: 96px;
  --space-mobile: 56px;
  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe 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: 16px;
  line-height: 1.8;
  color: var(--c-text);
  background-color: var(--c-bg);
  background-image:
    radial-gradient(ellipse 600px 400px at 85% 10%, rgba(123,92,255,0.08), transparent),
    radial-gradient(ellipse 500px 350px at 10% 60%, rgba(0,229,255,0.05), transparent);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--space-section) 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-title {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--c-text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--c-accent);
  border: 1px solid rgba(0,229,255,0.35);
  border-radius: 999px;
  padding: 4px 16px;
  margin-bottom: 18px;
  background: rgba(0,229,255,0.06);
}

/* ----------------------------------------- */
/* Header / Navigation */
/* ----------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  background: rgba(7,12,24,0.80);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: relative;
}

.nav-logo {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-text);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  box-shadow: 0 0 12px rgba(0,229,255,0.6);
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--c-text-secondary);
  padding: 8px 16px;
  border-radius: 10px;
  border-bottom: 2px solid transparent;
  transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.nav-link:hover {
  color: var(--c-accent);
  background: rgba(0,229,255,0.06);
}

.nav-link.active {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
  box-shadow: 0 2px 12px rgba(0,229,255,0.15);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.9rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--c-primary), #1E63E3);
  color: #fff;
  box-shadow: var(--glow-primary);
}

.btn-primary:hover {
  box-shadow: var(--glow-accent);
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.22);
  color: var(--c-text);
  padding: 10px 24px;
  font-size: 0.9rem;
}

.btn-outline:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  box-shadow: 0 0 18px rgba(0,229,255,0.12);
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--c-accent), #00B8D9);
  color: #0A1326;
  font-weight: 700;
  box-shadow: 0 0 24px rgba(0,229,255,0.3);
}

.btn-accent:hover {
  box-shadow: 0 0 48px rgba(0,229,255,0.5);
  transform: translateY(-2px);
}

.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--c-text);
  font-size: 1.1rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: rgba(255,255,255,0.05);
}

/* ----------------------------------------- */
/* Hero */
/* ----------------------------------------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center 30%;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(7,12,24,0.96) 0%, rgba(7,12,24,0.82) 40%, rgba(7,12,24,0.45) 75%, rgba(7,12,24,0.30) 100%);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(46,124,246,0.18), transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 55% 45%;
  gap: 48px;
  align-items: center;
}

.hero-left {
  padding-right: 20px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-accent);
  border: 1px solid rgba(0,229,255,0.4);
  border-radius: 999px;
  padding: 5px 16px;
  background: rgba(0,229,255,0.06);
  margin-bottom: 24px;
}

.hero-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 8px var(--c-accent);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--c-text);
  margin-bottom: 20px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--c-text-secondary);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-cover {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.hero-cover img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.hero-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(7,12,24,0.1) 0%, rgba(7,12,24,0.6) 100%);
}

.hero-cover .cover-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  background: rgba(7,12,24,0.75);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--c-accent);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-cover .cover-badge i {
  font-size: 0.7rem;
}

.hero-cover .cover-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: 24px;
  background: linear-gradient(0deg, rgba(7,12,24,0.85), transparent);
}

.hero-cover .cover-title h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.hero-cover .cover-title p {
  font-size: 0.85rem;
  color: var(--c-text-secondary);
}

/* ----------------------------------------- */
/* Countdown bar */
/* ----------------------------------------- */
.countdown-wrap {
  position: relative;
  z-index: 5;
  margin-top: -36px;
  margin-bottom: 40px;
}

.countdown-bar {
  background: linear-gradient(145deg, rgba(255,255,255,0.10), rgba(255,255,255,0.03));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 36px;
  box-shadow: var(--shadow-card);
}

.countdown-label {
  font-size: 1rem;
  color: var(--c-text);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.countdown-label i {
  color: var(--c-warning);
  font-size: 1.2rem;
}

.countdown-timer {
  display: flex;
  align-items: center;
  gap: 10px;
}

.countdown-item {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.countdown-num {
  font-size: 2rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, var(--c-accent), var(--c-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(0,229,255,0.2);
  line-height: 1.2;
}

.countdown-unit {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  font-weight: 500;
}

.countdown-colon {
  font-size: 1.6rem;
  color: var(--c-text-muted);
  font-weight: 300;
  margin: 0 2px;
}

.countdown-info {
  text-align: right;
}

.countdown-info .info-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 2px;
}

.countdown-info .info-status {
  font-size: 0.8rem;
  color: var(--c-accent);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ----------------------------------------- */
/* Highlights */
/* ----------------------------------------- */
.highlights {
  background: transparent;
}

.highlights-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 36px;
  background: linear-gradient(145deg, rgba(255,255,255,0.10), rgba(255,255,255,0.03));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.highlight-item:hover {
  background: var(--c-glass-hover);
  border-color: rgba(46,124,246,0.5);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.highlight-item:nth-child(even) {
  flex-direction: row-reverse;
}

.highlight-num {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.65;
  flex-shrink: 0;
  min-width: 90px;
}

.highlight-content {
  flex: 1;
  padding: 0 12px;
}

.highlight-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.highlight-content p {
  color: var(--c-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 420px;
}

.highlight-thumb {
  flex-shrink: 0;
  width: 220px;
  height: 140px;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.highlight-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.highlight-item:hover .highlight-thumb img {
  transform: scale(1.05);
}

.highlight-item .btn {
  flex-shrink: 0;
}

/* ----------------------------------------- */
/* Subscribe */
/* ----------------------------------------- */
.subscribe {
  position: relative;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
}

.subscribe::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,12,24,0.93), rgba(7,12,24,0.88));
}

.subscribe-box {
  position: relative;
  z-index: 2;
  max-width: 600px;
  margin: 0 auto;
  background: linear-gradient(145deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04));
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  padding: 48px 48px 40px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.subscribe-box h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 10px;
}

.subscribe-box p {
  color: var(--c-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 440px;
  margin: 0 auto;
}

.subscribe-form input {
  flex: 1;
  height: 50px;
  padding: 0 18px;
  border-radius: var(--radius-sm);
  background: rgba(7,12,24,0.7);
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--c-text);
  font-size: 0.95rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.subscribe-form input::placeholder {
  color: var(--c-text-muted);
}

.subscribe-form input:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 12px rgba(46,124,246,0.35);
}

.subscribe-form .btn {
  height: 50px;
  padding: 0 28px;
}

.subscribe-remind {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.subscribe-remind span {
  font-size: 0.85rem;
  color: var(--c-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}

.subscribe-remind span i {
  color: var(--c-accent);
  font-size: 0.7rem;
}

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

.replay-card {
  background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.35s ease;
  position: relative;
}

.replay-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(46,124,246,0.35);
}

.replay-card:first-child {
  grid-column: span 2;
  grid-row: span 2;
}

.replay-thumb {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.replay-card:first-child .replay-thumb {
  height: 360px;
}

.replay-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.replay-card:hover .replay-thumb img {
  transform: scale(1.03);
}

.replay-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(7,12,24,0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--c-text);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.replay-badge i {
  color: var(--c-accent);
  font-size: 0.65rem;
}

.replay-info {
  padding: 20px 22px 22px;
}

.replay-info h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.4;
}

.replay-info p {
  font-size: 0.87rem;
  color: var(--c-text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

/* ----------------------------------------- */
/* News */
/* ----------------------------------------- */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
}

.news-row {
  display: flex;
  align-items: center;
  gap: 28px;
  background: linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  transition: all 0.3s ease;
}

.news-row:hover {
  background: var(--c-glass-hover);
  border-color: rgba(46,124,246,0.4);
  box-shadow: var(--shadow-card);
  transform: translateX(6px);
}

.news-date {
  flex-shrink: 0;
  width: 68px;
  height: 68px;
  background: rgba(7,12,24,0.65);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--c-text);
  text-align: center;
}

.news-date-day {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, var(--c-accent), var(--c-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.news-date-month {
  font-size: 0.75rem;
  color: var(--c-text-muted);
  margin-top: 2px;
}

.news-info {
  flex: 1;
  min-width: 0;
}

.news-info h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.5;
  color: var(--c-text);
  transition: color 0.25s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-row:hover .news-info h4 {
  color: var(--c-accent);
}

.news-info p {
  font-size: 0.88rem;
  color: var(--c-text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.news-cat {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--c-accent);
  background: rgba(0,229,255,0.08);
  border: 1px solid rgba(0,229,255,0.2);
  padding: 2px 12px;
  border-radius: 999px;
}

.news-empty {
  text-align: center;
  padding: 56px 20px;
  background: linear-gradient(145deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  max-width: 960px;
  margin: 0 auto;
  color: var(--c-text-muted);
  font-size: 0.95rem;
}

.news-empty i {
  font-size: 2rem;
  color: var(--c-text-muted);
  opacity: 0.5;
  display: block;
  margin-bottom: 14px;
}

/* ----------------------------------------- */
/* FAQ */
/* ----------------------------------------- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: linear-gradient(145deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  overflow: hidden;
}

.faq-item.active {
  border-color: rgba(46,124,246,0.55);
  box-shadow: 0 0 18px rgba(46,124,246,0.18);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text);
  cursor: pointer;
  text-align: left;
}

.faq-question i {
  color: var(--c-text-muted);
  transition: transform 0.3s ease, color 0.3s ease;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
  color: var(--c-accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px;
  color: var(--c-text-secondary);
  font-size: 0.93rem;
  line-height: 1.8;
}

/* ----------------------------------------- */
/* Bottom CTA */
/* ----------------------------------------- */
.bottom-cta {
  position: relative;
  text-align: center;
  overflow: hidden;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  padding: 100px 0;
}

.bottom-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,12,24,0.94), rgba(7,12,24,0.85));
}

.bottom-cta::after {
  content: '';
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(46,124,246,0.2), transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta-content p {
  color: var(--c-text-secondary);
  font-size: 1rem;
  margin-bottom: 32px;
}

/* ----------------------------------------- */
/* Footer */
/* ----------------------------------------- */
.site-footer {
  background: #050A14;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 56px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--c-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand h3::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  box-shadow: 0 0 10px rgba(0,229,255,0.5);
}

.footer-brand p {
  color: var(--c-text-muted);
  font-size: 0.88rem;
  line-height: 1.8;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--c-text-secondary);
  padding: 5px 0;
  transition: color 0.25s, padding-left 0.25s;
}

.footer-col a:hover {
  color: var(--c-accent);
  padding-left: 6px;
}

.footer-copyright {
  text-align: center;
  padding-top: 24px;
  font-size: 0.8rem;
  color: var(--c-text-muted);
}

.footer-copyright span {
  margin: 0 8px;
  color: rgba(255,255,255,0.2);
}

/* ----------------------------------------- */
/* Responsive */
/* ----------------------------------------- */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }

  .nav-menu {
    position: fixed;
    top: 72px;
    right: -320px;
    width: 300px;
    height: calc(100vh - 72px);
    background: rgba(7,12,24,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
    gap: 8px;
    border-left: 1px solid rgba(255,255,255,0.08);
    transition: right 0.35s ease;
    z-index: 999;
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-link {
    font-size: 1rem;
    padding: 12px 16px;
    width: 100%;
    border-bottom: none;
    border-left: 2px solid transparent;
  }

  .nav-link:hover,
  .nav-link.active {
    border-left-color: var(--c-accent);
    border-bottom: none;
    background: rgba(0,229,255,0.06);
  }

  .mobile-toggle {
    display: inline-flex;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-cover img {
    height: 300px;
  }

  .hero {
    padding-top: 140px;
  }

  .countdown-bar {
    flex-direction: column;
    gap: 16px;
    text-align: center;
    padding: 24px;
  }

  .countdown-info {
    text-align: center;
  }

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

  .replay-card:first-child {
    grid-column: span 2;
    grid-row: auto;
  }

  .replay-card:first-child .replay-thumb {
    height: 280px;
  }

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

@media (max-width: 768px) {
  :root {
    --space-section: 56px;
  }

  .section-head {
    margin-bottom: 36px;
  }

  .hero {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: 40px;
  }

  .hero-title {
    font-size: clamp(1.7rem, 5vw, 2.2rem);
  }

  .hero-sub {
    font-size: 1rem;
  }

  .hero-cover img {
    height: 240px;
  }

  .hero-actions .btn {
    flex: 1;
    justify-content: center;
  }

  .countdown-timer {
    flex-wrap: wrap;
    justify-content: center;
  }

  .countdown-num {
    font-size: 1.5rem;
  }

  .countdown-label {
    font-size: 0.9rem;
  }

  .highlight-item,
  .highlight-item:nth-child(even) {
    flex-direction: column;
    text-align: center;
    padding: 24px 20px;
    gap: 20px;
  }

  .highlight-num {
    font-size: 2.4rem;
    min-width: 0;
  }

  .highlight-content p {
    max-width: none;
  }

  .highlight-thumb {
    width: 100%;
    height: 180px;
  }

  .highlight-item .btn {
    width: 100%;
  }

  .subscribe-box {
    padding: 32px 20px;
  }

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

  .subscribe-form .btn {
    width: 100%;
  }

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

  .replay-card:first-child {
    grid-column: span 1;
  }

  .replay-card:first-child .replay-thumb {
    height: 220px;
  }

  .news-row {
    flex-direction: column;
    text-align: center;
    gap: 14px;
    padding: 20px;
  }

  .news-info p {
    -webkit-line-clamp: 3;
  }

  .news-meta {
    justify-content: center;
  }

  .news-row:hover {
    transform: translateY(-4px);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 1.6rem;
  }

  .hero-cover img {
    height: 200px;
  }

  .nav-logo {
    font-size: 0.95rem;
  }

  .btn {
    font-size: 0.9rem;
    padding: 10px 20px;
  }

  .section-title {
    font-size: 1.35rem;
  }

  .countdown-num {
    font-size: 1.2rem;
  }

  .news-date {
    width: 56px;
    height: 56px;
  }

  .news-date-day {
    font-size: 1.1rem;
  }

  .bottom-cta {
    padding: 60px 16px;
  }

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

/* ----------------------------------------- */
/* Accessibility & misc */
/* ----------------------------------------- */
.btn:focus-visible,
.nav-link:focus-visible,
.subscribe-form input:focus-visible,
.faq-question:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

::selection {
  background: rgba(46,124,246,0.4);
  color: #fff;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #0B1120;
}

::-webkit-scrollbar-thumb {
  background: #25324A;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #34445E;
}

/* roulang page: article */
:root {
  --bg: #070C18;
  --bg-deep: #050913;
  --card-bg: rgba(255,255,255,0.06);
  --card-bg-hover: rgba(255,255,255,0.10);
  --glass-linear: linear-gradient(145deg, rgba(255,255,255,0.10), rgba(255,255,255,0.03));
  --border: rgba(255,255,255,0.12);
  --border-strong: rgba(255,255,255,0.20);
  --primary: #2E7CF6;
  --accent: #00E5FF;
  --purple: #7B5CFF;
  --text: #F1F5FB;
  --text-secondary: #A7BCD6;
  --text-muted: #5F7395;
  --success: #22C55E;
  --error: #EF4444;
  --warning: #F59E0B;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --shadow-hover: 0 18px 40px rgba(0,0,0,0.45);
  --glow: 0 0 24px rgba(46,124,246,0.45);
  --glow-strong: 0 0 48px rgba(0,229,255,0.25);
  --container: 1200px;
  --space-section: 96px;
  --space-section-mobile: 56px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse at 18% 8%, rgba(123, 92, 255, 0.10), transparent 42%),
    radial-gradient(ellipse at 85% 28%, rgba(0, 229, 255, 0.08), transparent 40%),
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
  color: var(--text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(7,12,24,0.80);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
  white-space: nowrap;
  position: relative;
  padding-bottom: 4px;
}

.logo::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.35);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 2px;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  border-radius: 2px;
  opacity: 0;
  transform: scaleX(0.3);
  transition: opacity 0.3s ease, transform 0.3s ease;
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.45);
}

.nav-link:hover {
  color: var(--accent);
}

.nav-link:hover::after,
.nav-link.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 26px;
  cursor: pointer;
  transition: box-shadow 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease, color 0.3s ease;
  border: 1px solid transparent;
}

.btn-glow {
  background: linear-gradient(135deg, rgba(46,124,246,0.95), rgba(0,229,255,0.85));
  color: #fff;
  box-shadow: var(--glow);
  border-color: rgba(0, 229, 255, 0.3);
}

.btn-glow:hover {
  box-shadow: var(--glow-strong);
  transform: translateY(-2px);
  color: #fff;
}

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

.btn-ghost {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.14);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.15);
  transform: translateY(-2px);
}

.header-cta {
  padding: 10px 22px;
  font-size: 0.92rem;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  cursor: pointer;
  padding: 9px 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle:hover span {
  background: var(--accent);
}

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

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

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

/* ---------- Breadcrumb ---------- */
.breadcrumb-bar {
  padding-top: 120px;
  padding-bottom: 20px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

.breadcrumb .sep {
  color: rgba(255,255,255,0.25);
}

.breadcrumb .current {
  color: var(--text-secondary);
  max-width: 360px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Category Strip ---------- */
.category-strip {
  background: var(--glass-linear);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 32px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.category-strip::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.5);
}

.strip-label {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 999px;
  padding: 2px 12px;
  margin-bottom: 6px;
  background: rgba(0, 229, 255, 0.06);
}

.category-strip h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
}

.category-strip p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 4px;
  max-width: 560px;
}

/* ---------- Article Layout ---------- */
.article-wrap {
  display: block;
}

.article-card {
  background: var(--glass-linear);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  padding: 48px 56px;
  margin-bottom: 32px;
}

.article-head {
  margin-bottom: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,0.09);
}

.article-head h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  line-height: 1.3;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
  word-break: break-word;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 4px 14px;
  color: var(--text-secondary);
}

.meta-item i {
  color: var(--accent);
  font-style: normal;
}

/* ---------- Article Body ---------- */
.article-body {
  max-width: 780px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-secondary);
}

.article-body::after {
  content: '';
  display: block;
  width: 72px;
  height: 3px;
  margin: 48px auto 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.4);
}

.article-body h2 {
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--text);
  margin: 40px 0 16px;
  padding-left: 16px;
  border-left: 3px solid var(--primary);
  border-radius: 2px;
  line-height: 1.4;
}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin: 28px 0 12px;
  line-height: 1.5;
}

.article-body p {
  margin-bottom: 18px;
}

.article-body strong {
  color: var(--text);
  font-weight: 600;
}

.article-body blockquote {
  background: rgba(46, 124, 246, 0.08);
  border-left: 3px solid var(--primary);
  border-radius: 0 12px 12px 0;
  padding: 18px 24px;
  margin: 28px 0;
  color: var(--text);
  font-style: normal;
}

.article-body blockquote p {
  margin-bottom: 0;
}

.article-body ul, .article-body ol {
  margin: 16px 0 20px 24px;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body li::marker {
  color: var(--accent);
}

.article-body img {
  border-radius: var(--radius-md);
  margin: 24px 0;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.08);
}

.article-body a {
  color: var(--accent);
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
  padding-bottom: 1px;
}

.article-body a:hover {
  color: var(--text);
  border-color: var(--text);
}

.article-empty {
  text-align: center;
  padding: 80px 24px;
}

.article-empty p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* ---------- Related ---------- */
.related-section {
  margin-bottom: 32px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.section-head h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  font-weight: 600;
  color: var(--text);
}

.section-head .sub {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.related-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  gap: 20px;
}

.related-card {
  background: var(--glass-linear);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.related-card:first-child {
  grid-column: span 1;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 229, 255, 0.3);
}

.related-card .cover {
  height: 170px;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.related-card .cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,12,24,0) 40%, rgba(7,12,24,0.75) 100%);
}

.related-card .cover .badge-time {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  background: rgba(7,12,24,0.72);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--text);
  font-size: 0.75rem;
  border-radius: 999px;
  padding: 3px 10px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.related-card .body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.related-card .body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
  transition: color 0.25s ease;
}

.related-card:hover .body h3 {
  color: var(--accent);
}

.related-card .body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  flex: 1;
  line-height: 1.7;
}

.related-card .btn {
  align-self: flex-start;
  padding: 8px 18px;
  font-size: 0.875rem;
}

/* ---------- FAQ ---------- */
.faq-section {
  margin-bottom: 32px;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--glass-linear);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item.open {
  border-color: rgba(46, 124, 246, 0.5);
  box-shadow: 0 0 18px rgba(46, 124, 246, 0.15);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  min-height: 60px;
  background: transparent;
}

.faq-q .icon {
  width: 28px;
  height: 28px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-size: 1rem;
  color: var(--accent);
  transition: transform 0.35s ease, background-color 0.3s ease, border-color 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-q .icon {
  transform: rotate(45deg);
  background: rgba(0, 229, 255, 0.12);
  border-color: var(--accent);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.faq-item.open .faq-a {
  max-height: 320px;
  padding: 0 24px 22px;
}

/* ---------- CTA ---------- */
.cta-section {
  background: var(--glass-linear);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  margin-bottom: 32px;
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(46,124,246,0.22), transparent 70%);
  top: -90px;
  right: -60px;
  border-radius: 50%;
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(123,92,255,0.18), transparent 70%);
  bottom: -80px;
  left: -40px;
  border-radius: 50%;
  pointer-events: none;
}

.cta-section h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.cta-section p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.cta-section .btn {
  position: relative;
  z-index: 1;
}

/* ---------- Footer ---------- */
.site-footer {
  background: rgba(5, 9, 19, 0.9);
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 56px 0 24px;
  margin-top: 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
  padding-bottom: 8px;
}

.footer-brand h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.3);
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 360px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: color 0.25s ease, padding-left 0.25s ease;
}

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

.footer-copyright {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 22px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copyright span {
  color: rgba(255,255,255,0.2);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    right: -320px;
    width: 300px;
    height: calc(100vh - 72px);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(7, 12, 24, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255,255,255,0.08);
    padding: 32px 28px;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-menu .nav-link {
    width: 100%;
    font-size: 1.05rem;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .nav-menu .nav-link::after {
    display: none;
  }

  .nav-menu .nav-link.active {
    color: var(--accent);
    padding-left: 8px;
    border-left: 2px solid var(--accent);
  }

  .nav-toggle {
    display: flex;
  }

  .header-cta {
    display: none;
  }

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

  .related-card:first-child {
    grid-column: span 2;
  }
}

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

  .breadcrumb-bar {
    padding-top: 104px;
  }

  .category-strip {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
  }

  .article-card {
    padding: 28px 20px;
  }

  .article-head h1 {
    font-size: 1.5rem;
  }

  .article-meta {
    gap: 8px;
  }

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

  .related-card:first-child {
    grid-column: span 1;
  }

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

  .cta-section {
    padding: 40px 24px;
  }
}

@media (max-width: 480px) {
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .btn {
    width: 100%;
  }

  .btn-ghost {
    width: auto;
  }

  .article-body h2 {
    font-size: 1.3rem;
  }

  .faq-q {
    font-size: 0.92rem;
  }

  .footer-copyright {
    flex-direction: column;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

/* roulang page: category1 */
:root {
  --bg: #070C18;
  --bg-card: rgba(255,255,255,0.06);
  --bg-card-hover: rgba(255,255,255,0.10);
  --border-glass: rgba(255,255,255,0.12);
  --primary: #2E7CF6;
  --accent: #00E5FF;
  --purple: #7B5CFF;
  --text: #F1F5FB;
  --text-secondary: #A7BCD6;
  --text-muted: #5F7395;
  --success: #22C55E;
  --warning: #F59E0B;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-btn: 12px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --shadow-hover: 0 18px 40px rgba(0,0,0,0.45);
  --cta-glow: 0 0 24px rgba(46,124,246,0.45);
  --header-h: 72px;
  --container: 1200px;
  --space-lg: 96px;
  --space-md: 56px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.8;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(600px 400px at 85% 10%, rgba(0,229,255,0.08), transparent 60%),
    radial-gradient(500px 500px at 10% 90%, rgba(123,92,255,0.08), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color .3s ease;
}

a:hover {
  color: #fff;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

/* Header & Nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: rgba(7,12,24,0.80);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.logo {
  flex-shrink: 0;
}

.logo a {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.5px;
  white-space: nowrap;
  transition: color .3s ease;
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 8px 0;
  transition: color .3s ease;
}

.nav-link:hover {
  color: var(--accent);
}

.nav-link.active {
  color: var(--accent);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(0,229,255,0.4);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  padding: 12px 28px;
  cursor: pointer;
  box-shadow: var(--cta-glow);
  transition: all .3s ease;
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 48px rgba(0,229,255,0.25);
  transform: translateY(-2px);
  color: #fff;
  text-decoration: none;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 0 18px rgba(46,124,246,0.5);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.9rem;
  border-radius: 10px;
}

.btn-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: 12px;
  cursor: pointer;
  transition: all .3s ease;
  text-decoration: none;
  line-height: 1.4;
}

.btn-glass:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 16px rgba(0,229,255,0.15);
  text-decoration: none;
  background: rgba(0,229,255,0.05);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all .3s ease;
}

.menu-toggle:hover span {
  background: var(--accent);
}

/* Page Hero Banner */
.page-hero {
  position: relative;
  padding: 150px 0 72px;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7,12,24,0.94) 0%, rgba(7,12,24,0.72) 50%, rgba(7,12,24,0.50) 100%);
}

.page-hero::after {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0,229,255,0.15), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--text-muted);
  transition: color .3s ease;
}

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

.breadcrumb .sep {
  opacity: 0.5;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text);
  letter-spacing: 1px;
}

.page-hero h1 .highlight {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero .lead {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
}

/* Feature Blocks */
.feature-blocks {
  padding: var(--space-lg) 0;
  position: relative;
}

.feature-blocks::before {
  content: '';
  position: absolute;
  top: 10%;
  left: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(123,92,255,0.06), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.feature-blocks .container {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.feature-block {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: center;
  position: relative;
}

.feature-block.reverse {
  grid-template-columns: 0.8fr 1.2fr;
}

.feature-block.reverse .feature-media {
  order: 1;
}

.feature-block.reverse .feature-text {
  order: 2;
}

.feature-text {
  padding: 20px 0;
}

.feature-tag {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 2px;
  color: var(--accent);
  border: 1px solid rgba(0,229,255,0.3);
  border-radius: 4px;
  padding: 4px 12px;
  margin-bottom: 16px;
  text-transform: uppercase;
  background: rgba(0,229,255,0.06);
}

.feature-text h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--text);
}

.feature-text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.9;
}

.feature-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.feature-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text);
  font-size: 0.95rem;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 8px rgba(0,229,255,0.4);
}

.feature-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: var(--shadow);
  position: relative;
  transition: transform .4s ease, box-shadow .4s ease;
}

.feature-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .5s ease;
}

.feature-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.05);
}

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

.feature-media:hover img {
  transform: scale(1.03);
}

/* Recommend Cards */
.recommend-section {
  padding: 0 0 var(--space-lg);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-header h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--text);
}

.section-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 480px;
}

.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.recommend-card {
  background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all .4s ease;
  position: relative;
}

.recommend-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0,229,255,0.3);
  background: linear-gradient(145deg, rgba(255,255,255,0.10), rgba(255,255,255,0.03));
}

.recommend-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.recommend-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.recommend-card:hover .recommend-cover img {
  transform: scale(1.04);
}

.recommend-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(7,12,24,0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--accent);
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(0,229,255,0.30);
  font-weight: 500;
}

.recommend-content {
  padding: 20px 24px 24px;
}

.recommend-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
}

.recommend-content h3 a {
  color: var(--text);
  transition: color .3s ease;
}

.recommend-content h3 a:hover {
  color: var(--accent);
}

.recommend-content p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.recommend-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.recommend-meta .date {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* FAQ Section */
.faq-section {
  padding: 0 0 var(--space-lg);
}

.faq-section .container {
  max-width: 820px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 36px;
}

.faq-item {
  background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color .3s ease, box-shadow .3s ease;
}

.faq-item.active {
  border-color: rgba(46,124,246,0.5);
  box-shadow: 0 0 18px rgba(46,124,246,0.15);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 16px 24px;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: inherit;
  transition: color .3s ease;
  line-height: 1.5;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  position: relative;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all .3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--accent);
  border-radius: 2px;
  transition: all .3s ease;
}

.faq-icon::before {
  width: 10px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 2px;
  height: 10px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-item.active .faq-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

/* CTA Section */
.cta-section {
  padding: 0 0 var(--space-lg);
}

.cta-card {
  position: relative;
  background: linear-gradient(135deg, rgba(7,12,24,0.9), rgba(13,25,48,0.85));
  border: 1px solid rgba(0,229,255,0.15);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -80px;
  left: 20%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(46,124,246,0.25), transparent 70%);
  border-radius: 50%;
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: 15%;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(0,229,255,0.15), transparent 70%);
  border-radius: 50%;
}

.cta-card h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 600;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
  color: var(--text);
}

.cta-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 1;
  line-height: 1.8;
}

.cta-card .btn-primary {
  position: relative;
  z-index: 1;
}

/* Footer */
.site-footer {
  background: rgba(4,8,16,0.95);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 64px 0 0;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-brand h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  max-width: 360px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 6px 0;
  transition: color .3s ease;
}

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

.footer-copyright {
  padding: 24px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-copyright a {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-copyright span {
  opacity: 0.4;
}

/* Responsive */
@media (max-width: 1024px) {
  .nav-menu {
    position: fixed;
    top: var(--header-h);
    right: 0;
    width: 300px;
    height: calc(100vh - var(--header-h));
    background: rgba(7,12,24,0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 40px 32px;
    gap: 8px;
    border-left: 1px solid rgba(255,255,255,0.06);
    transform: translateX(100%);
    transition: transform .4s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 999;
    overflow-y: auto;
  }

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

  .nav-link {
    font-size: 1rem;
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }

  .nav-link.active::after {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .feature-block,
  .feature-block.reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .feature-block.reverse .feature-media {
    order: 2;
  }

  .feature-block.reverse .feature-text {
    order: 1;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .page-hero {
    padding: 130px 0 56px;
  }

  .page-hero h1 {
    font-size: clamp(2rem, 6vw, 2.6rem);
  }

  .feature-blocks {
    padding: 56px 0;
  }

  .feature-blocks .container {
    gap: 48px;
  }

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

  .cta-card {
    padding: 48px 24px;
  }

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

  .footer-brand {
    grid-column: auto;
  }

  .footer-copyright {
    flex-direction: column;
    gap: 6px;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .logo a {
    font-size: 0.95rem;
  }

  .nav-menu {
    width: 260px;
    padding: 32px 20px;
  }

  .btn-sm {
    display: none;
  }

  .page-hero h1 {
    font-size: 1.9rem;
  }

  .page-hero .lead {
    font-size: 1rem;
  }

  .feature-text h2 {
    font-size: 1.5rem;
  }

  .feature-media img {
    aspect-ratio: 4 / 3;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .recommend-content {
    padding: 16px 18px 20px;
  }

  .faq-question {
    padding: 14px 16px;
    font-size: 0.95rem;
  }

  .cta-card {
    padding: 40px 16px;
    border-radius: 16px;
  }

  .cta-card h2 {
    font-size: 1.5rem;
  }

  .btn-primary {
    width: 100%;
    padding: 14px 24px;
  }
}

/* roulang page: category3 */
:root {
  --bg-primary: #070C18;
  --bg-elevated: rgba(255,255,255,0.06);
  --bg-elevated-hover: rgba(255,255,255,0.10);
  --glass-border: rgba(255,255,255,0.12);
  --primary: #2E7CF6;
  --accent: #00E5FF;
  --purple: #7B5CFF;
  --text-main: #F1F5FB;
  --text-secondary: #A7BCD6;
  --text-muted: #5F7395;
  --success: #22C55E;
  --error: #EF4444;
  --warning: #F59E0B;
  --radius-large: 20px;
  --radius-medium: 16px;
  --radius-btn: 12px;
  --shadow-card: 0 10px 30px rgba(0,0,0,0.35);
  --shadow-hover: 0 18px 40px rgba(0,0,0,0.45);
  --container-max: 1200px;
  --section-space: 96px;
  --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  top: -120px; right: -120px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,229,255,0.12), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: "";
  position: fixed;
  bottom: -150px; left: -100px;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(123,92,255,0.12), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(7,12,24,0.80);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  z-index: 1000;
}
.header-inner {
  max-width: var(--container-max);
  height: 100%;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.02em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo i {
  color: var(--accent);
  font-size: 1.2rem;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
  justify-content: center;
}
.nav-menu a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-menu a:hover { color: var(--accent); }
.nav-menu a.active { color: var(--accent); }
.nav-menu a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0,229,255,0.6);
}
.header-cta {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border: none;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 0 24px rgba(46,124,246,0.45);
  transition: var(--transition);
  white-space: nowrap;
}
.header-cta:hover {
  box-shadow: 0 0 48px rgba(0,229,255,0.25);
  transform: translateY(-2px);
}
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  padding: 8px;
}

/* ===== Buttons / tags / badges ===== */
.btn-glow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 0 24px rgba(46,124,246,0.45);
  transition: var(--transition);
  cursor: pointer;
}
.btn-glow:hover {
  box-shadow: 0 0 48px rgba(0,229,255,0.25);
  transform: translateY(-2px);
}
.btn-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--text-main);
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}
.btn-glass:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255,255,255,0.10);
  box-shadow: 0 0 18px rgba(0,229,255,0.15);
}
.badge-time {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(7,12,24,0.75);
  backdrop-filter: blur(8px);
  color: var(--text-main);
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.15);
  letter-spacing: 0.02em;
}
.tag-sm {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--text-secondary);
  background: rgba(255,255,255,0.04);
}

/* ===== Hero ===== */
.page-hero {
  position: relative;
  padding-top: 180px;
  padding-bottom: 100px;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  min-height: auto;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7,12,24,0.92) 0%, rgba(7,12,24,0.75) 50%, rgba(7,12,24,0.45) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}
.hero-content h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-main);
}
.hero-content h1 .highlight-brand {
  background: linear-gradient(120deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-content .sub-line {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 540px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 44px;
}
.stat-item {
  text-align: left;
}
.stat-item .stat-num {
  font-size: 1.8rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text-main);
  line-height: 1.2;
}
.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Section ===== */
.section-block { padding: var(--section-space) 0; }
.section-title-wrap { margin-bottom: 48px; }
.section-title-wrap h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-title-wrap p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 620px;
}
.section-head-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.section-head-line h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 600;
  position: relative;
  padding-left: 18px;
}
.section-head-line h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  box-shadow: 0 0 12px rgba(0,229,255,0.4);
}
.section-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===== Glass card ===== */
.glass-card {
  background: linear-gradient(145deg, rgba(255,255,255,0.10), rgba(255,255,255,0.03));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-large);
  transition: var(--transition);
}
.glass-card:hover {
  background: linear-gradient(145deg, rgba(255,255,255,0.12), rgba(255,255,255,0.05));
  border-color: rgba(255,255,255,0.22);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

/* ===== Browse categories ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.category-item {
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}
.category-item:hover { transform: translateY(-4px); border-color: rgba(0,229,255,0.4); }
.category-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  font-size: 1.5rem;
  color: var(--accent);
  background: rgba(0,229,255,0.1);
  border: 1px solid rgba(0,229,255,0.2);
}
.category-item h3 { font-size: 1.05rem; margin-bottom: 10px; }
.category-item p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }
.category-item .category-count {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.category-item .category-count i { color: var(--accent); margin-right: 4px; }

/* ===== Replay cards ===== */
.replay-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.replay-card {
  grid-column: span 4;
  border-radius: var(--radius-large);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(12px);
  transition: var(--transition);
}
.replay-card:nth-child(1) { grid-column: span 8; }
.replay-card:nth-child(2) { grid-column: span 4; }
.replay-cover {
  position: relative;
  height: 200px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}
.replay-card:nth-child(1) .replay-cover { height: 320px; }
.replay-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(7,12,24,0.75) 100%);
}
.replay-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.replay-card:hover .replay-cover img { transform: scale(1.03); }
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: rgba(7,12,24,0.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0,229,255,0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
  transition: var(--transition);
  z-index: 2;
}
.replay-card:hover .play-btn {
  background: rgba(0,229,255,0.2);
  box-shadow: 0 0 24px rgba(0,229,255,0.4);
}
.replay-info { padding: 20px; }
.replay-info .tag-row { display: flex; gap: 8px; margin-bottom: 12px; }
.replay-info h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}
.replay-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}
.replay-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.replay-meta i { margin-right: 4px; }

/* ===== Featured picks ===== */
.feature-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}
.feature-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  border-radius: var(--radius-medium);
  align-items: center;
  background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.feature-card:hover { border-color: rgba(0,229,255,0.35); transform: translateX(6px); }
.feature-rank {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  min-width: 60px;
  text-align: center;
}
.feature-body { flex: 1; }
.feature-body h3 { font-size: 1rem; margin-bottom: 6px; }
.feature-body p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
.feature-thumb {
  width: 110px;
  height: 74px;
  border-radius: 12px;
  object-fit: cover;
  background-size: cover;
  background-position: center;
  background-color: rgba(255,255,255,0.08);
  flex-shrink: 0;
}

/* ===== Process steps ===== */
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step-item {
  padding: 32px 28px;
  border-radius: var(--radius-medium);
  position: relative;
}
.step-num {
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}
.step-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step-item p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }
.step-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,229,255,0.3), transparent);
}

/* ===== Info list ===== */
.info-list { display: flex; flex-direction: column; gap: 16px; }
.info-list-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 24px;
  border-radius: var(--radius-medium);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.info-list-item:hover { border-color: rgba(0,229,255,0.3); background: rgba(255,255,255,0.07); }
.info-list-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  background: rgba(0,229,255,0.1);
  border: 1px solid rgba(0,229,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
}
.info-list-body { flex: 1; }
.info-list-body h4 { font-size: 1rem; margin-bottom: 4px; }
.info-list-body p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }
.info-list-meta { flex-shrink: 0; color: var(--text-muted); font-size: 0.85rem; }

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  border-radius: var(--radius-medium);
  margin-bottom: 14px;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.faq-item.active { border-color: rgba(46,124,246,0.5); box-shadow: 0 0 18px rgba(46,124,246,0.15); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 0.98rem;
  font-weight: 500;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
}
.faq-question i { color: var(--text-muted); transition: transform 0.3s ease; font-size: 0.85rem; }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--accent); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer-inner { padding: 0 24px 22px; }

/* ===== CTA ===== */
.cta-section {
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 96px 0;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(7,12,24,0.78);
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 600;
  margin-bottom: 16px;
}
.cta-inner p { color: var(--text-secondary); font-size: 1rem; margin-bottom: 32px; }

/* ===== Footer ===== */
.site-footer {
  background: rgba(7,12,24,0.9);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 64px;
  padding-bottom: 32px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-brand h3 i { color: var(--accent); }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; max-width: 320px; line-height: 1.8; }
.footer-col h4 {
  font-size: 0.95rem;
  margin-bottom: 14px;
  color: var(--text-main);
  font-weight: 600;
}
.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-copyright {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-copyright span { margin: 0 8px; color: rgba(255,255,255,0.2); }

/* ===== Mobile drawer ===== */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 280px;
  height: 100vh;
  background: rgba(7,12,24,0.96);
  backdrop-filter: blur(20px);
  z-index: 1100;
  padding: 40px 32px;
  transition: right 0.35s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-left: 1px solid rgba(255,255,255,0.1);
}
.mobile-drawer.open { right: 0; }
.mobile-drawer a {
  color: var(--text-secondary);
  padding: 14px 0;
  font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-drawer a.active, .mobile-drawer a:hover { color: var(--accent); }
.drawer-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.4rem;
}
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1050;
}
.drawer-overlay.active { opacity: 1; visibility: visible; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-menu { display: none; }
  .mobile-toggle { display: block; }
  .header-cta { display: none; }
  .category-grid { grid-template-columns: 1fr; }
  .steps-wrap { grid-template-columns: 1fr; }
  .replay-card, .replay-card:nth-child(1) { grid-column: span 6; }
  .replay-card:nth-child(1) .replay-cover { height: 240px; }
  .replay-card:last-child { grid-column: span 6; }
  .feature-row { grid-template-columns: 1fr; }
  .section-block { padding: 64px 0; }
}
@media (max-width: 768px) {
  :root { --section-space: 56px; }
  .container { padding-left: 16px; padding-right: 16px; }
  .page-hero { padding-top: 140px; padding-bottom: 64px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .replay-card, .replay-card:nth-child(1), .replay-card:last-child { grid-column: span 12; }
  .replay-card:nth-child(1) .replay-cover { height: 220px; }
  .feature-card { flex-direction: column; text-align: center; }
  .feature-rank { min-width: auto; }
  .info-list-item { flex-direction: column; }
  .info-list-meta { align-self: flex-start; }
  .hero-actions .btn-glow, .hero-actions .btn-glass { width: 100%; }
}
@media (max-width: 520px) {
  .page-hero { padding-top: 130px; }
  .hero-content h1 { font-size: 1.9rem; }
  .section-title-wrap h2 { font-size: 1.5rem; }
  .category-item { padding: 24px; }
  .replay-info h3 { font-size: 1rem; }
  .replay-meta { flex-direction: column; gap: 6px; align-items: flex-start; }
  .stat-item .stat-num { font-size: 1.4rem; }
  .header-inner { padding-left: 16px; padding-right: 16px; }
  .logo { font-size: 0.9rem; }
}

/* roulang page: category2 */
:root {
  --bg: #070C18;
  --bg-soft: #0B1426;
  --card-bg: rgba(255,255,255,0.06);
  --card-bg-hover: rgba(255,255,255,0.10);
  --glass-border: rgba(255,255,255,0.12);
  --primary: #2E7CF6;
  --accent: #00E5FF;
  --violet: #7B5CFF;
  --text-main: #F1F5FB;
  --text-secondary: #A7BCD6;
  --text-muted: #5F7395;
  --glow-blue: 0 0 24px rgba(46,124,246,0.45);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse at 85% 20%, rgba(123, 92, 255, 0.08), transparent 320px),
    radial-gradient(ellipse at 10% 90%, rgba(0, 229, 255, 0.05), transparent 400px);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input {
  font-family: inherit;
  outline: none;
  border: none;
  background: none;
  color: inherit;
}

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

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(7, 12, 24, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-main);
  white-space: nowrap;
}

.brand:hover {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  position: relative;
  font-size: 0.95rem;
  color: var(--text-secondary);
  padding: 8px 2px;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.6);
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-cta {
  display: inline-block;
  padding: 10px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-sm);
  box-shadow: var(--glow-blue);
  transition: var(--transition);
  white-space: nowrap;
}

.header-cta:hover {
  box-shadow: 0 0 48px rgba(0, 229, 255, 0.25);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 12, 24, 0.92) 0%, rgba(7, 12, 24, 0.75) 50%, rgba(7, 12, 24, 0.35) 100%);
  z-index: 1;
}

.page-hero .container {
  position: relative;
  z-index: 2;
  padding-top: 60px;
  padding-bottom: 60px;
}

.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.8rem;
  letter-spacing: 1px;
  color: var(--accent);
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: 6px;
  background: rgba(0, 229, 255, 0.06);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text-main);
}

.page-hero .hero-desc {
  max-width: 640px;
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  padding: 12px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-sm);
  box-shadow: var(--glow-blue);
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 48px rgba(0, 229, 255, 0.25);
}

.btn-secondary {
  display: inline-block;
  padding: 12px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.15);
}

/* ===== Steps Section ===== */
.steps-section {
  padding: 96px 0 64px;
}

.section-head {
  text-align: center;
  margin-bottom: 56px;
}

.section-head .section-tag {
  display: inline-block;
  padding: 4px 14px;
  font-size: 0.8rem;
  color: var(--primary);
  background: rgba(46, 124, 246, 0.12);
  border-radius: 4px;
  margin-bottom: 12px;
  font-weight: 600;
}

.section-head h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-head p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: 1rem;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.step-card {
  display: flex;
  align-items: center;
  gap: 48px;
  padding: 36px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.step-card:hover {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.step-card:nth-child(even) .step-info {
  order: 2;
}

.step-card:nth-child(even) .step-img {
  order: 1;
}

.step-info {
  flex: 1;
}

.step-number {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.step-info h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-main);
}

.step-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 16px;
}

.step-link {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  padding: 8px 20px;
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: 8px;
  background: rgba(0, 229, 255, 0.05);
  transition: var(--transition);
}

.step-link:hover {
  background: rgba(0, 229, 255, 0.12);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.2);
}

.step-img {
  flex: 0 0 340px;
  max-width: 340px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.step-img img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.step-card:hover .step-img img {
  transform: scale(1.04);
}

/* ===== Feature Row ===== */
.feature-row {
  padding: 64px 0;
}

.feature-inner {
  display: flex;
  align-items: center;
  gap: 56px;
}

.feature-inner.reverse .feature-text {
  order: 2;
}

.feature-inner.reverse .feature-media {
  order: 1;
}

.feature-text {
  flex: 1;
}

.feature-text .feature-tag {
  display: inline-block;
  padding: 4px 14px;
  font-size: 0.8rem;
  color: var(--violet);
  background: rgba(123, 92, 255, 0.12);
  border-radius: 4px;
  margin-bottom: 14px;
  font-weight: 600;
}

.feature-text h2 {
  font-size: clamp(1.4rem, 2vw, 1.9rem);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 16px;
}

.feature-text p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.9;
  margin-bottom: 16px;
}

.feature-text ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-text ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.feature-text ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 6px rgba(0, 229, 255, 0.5);
}

.feature-media {
  flex: 0 0 440px;
  max-width: 440px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
}

.feature-media img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.feature-media:hover img {
  transform: scale(1.03);
}

/* ===== Related Section ===== */
.related-section {
  padding: 64px 0;
}

.related-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
}

.related-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
  transition: var(--transition);
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
}

.related-card:first-child {
  grid-row: span 2;
}

.related-cover {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.related-card:first-child .related-cover {
  height: 100%;
  min-height: 300px;
}

.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.related-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 12, 24, 0.85), transparent 50%);
}

.related-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  z-index: 1;
}

.related-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.related-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.6;
}

.related-link {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  padding: 6px 16px;
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: 6px;
  transition: var(--transition);
}

.related-link:hover {
  background: rgba(0, 229, 255, 0.1);
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.2);
}

/* ===== FAQ Section ===== */
.faq-section {
  padding: 64px 0;
}

.faq-list {
  max-width: 800px;
  margin: 40px auto 0;
}

.faq-item {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: rgba(46, 124, 246, 0.5);
  box-shadow: 0 0 18px rgba(46, 124, 246, 0.15);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  min-height: 56px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-main);
}

.faq-icon {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.faq-icon::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--accent);
  transform: translateY(-50%);
}

.faq-icon::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 16px;
  background: var(--accent);
  transform: translateX(-50%);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
}

.faq-answer {
  max-height: 0;
  padding: 0 24px;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.8;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 0;
  position: relative;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(7, 12, 24, 0.75);
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 24px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  max-width: 800px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-inner p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 28px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: #060A14;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 360px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: var(--transition);
}

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

.footer-copyright {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-copyright span {
  margin: 0 8px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 72px 32px 32px;
    background: rgba(7, 12, 24, 0.95);
    backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    transition: right 0.3s ease;
    z-index: 999;
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-link {
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 1rem;
  }

  .nav-link::after {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .step-card {
    flex-direction: column;
    gap: 24px;
    padding: 28px;
  }

  .step-card:nth-child(even) .step-info {
    order: 1;
  }

  .step-card:nth-child(even) .step-img {
    order: 2;
  }

  .step-img {
    flex: none;
    width: 100%;
    max-width: 100%;
  }

  .feature-inner {
    flex-direction: column;
    gap: 32px;
  }

  .feature-inner.reverse .feature-text {
    order: 1;
  }

  .feature-inner.reverse .feature-media {
    order: 2;
  }

  .feature-media {
    flex: none;
    width: 100%;
    max-width: 100%;
  }

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

  .related-card:first-child {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .related-card:first-child .related-cover {
    height: 220px;
    min-height: 0;
  }

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

@media (max-width: 768px) {
  .hero-tag {
    font-size: 0.7rem;
  }

  .page-hero {
    min-height: 360px;
  }

  .page-hero .hero-desc {
    font-size: 1rem;
  }

  .section-head p {
    font-size: 0.92rem;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .brand {
    font-size: 1rem;
  }

  .page-hero {
    min-height: 320px;
  }

  .page-hero h1 {
    font-size: 1.9rem;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
    padding: 14px 24px;
  }

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

  .step-card {
    padding: 20px;
  }

  .step-number {
    font-size: 1.8rem;
  }

  .step-info h3 {
    font-size: 1.15rem;
  }

  .step-img img {
    height: 180px;
  }

  .feature-media img {
    height: 220px;
  }

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

  .cta-inner {
    padding: 24px 16px;
  }
}