/* roulang page: index */
:root {
    --color-primary: #4F7CFF;
    --color-accent: #00E5A0;
    --color-bg: #0B0F1A;
    --color-bg-deep: #070A12;
    --color-glass: rgba(255, 255, 255, 0.05);
    --color-glass-border: rgba(255, 255, 255, 0.12);
    --color-text: #E5E9F0;
    --color-text-secondary: #94A3B8;
    --color-text-muted: #64748B;
    --radius-card: 1rem;
    --radius-pill: 9999px;
    --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.25);
    --glow-primary: 0 0 20px rgba(79, 124, 255, 0.5);
    --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  ::selection {
    background: rgba(79, 124, 255, 0.3);
    color: #fff;
  }

  .glass {
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-card);
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 24px;
    border-radius: var(--radius-pill);
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
    box-shadow: 0 0 20px rgba(79, 124, 255, 0.35);
    border: none;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
  }
  .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 30px rgba(79, 124, 255, 0.6);
  }
  .btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 0 14px rgba(79, 124, 255, 0.4);
  }
  .btn-primary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 44px;
    padding: 0 20px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--color-text);
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s;
    cursor: pointer;
    text-decoration: none;
  }
  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    color: var(--color-primary);
  }
  .btn-ghost:active {
    transform: translateY(1px);
  }
  .btn-ghost:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }

  .header {
    background: rgba(11, 15, 26, 0.9);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    position: sticky;
    top: 0;
    z-index: 50;
  }

  .logo-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-text);
    line-height: 1.2;
    text-decoration: none;
  }
  .logo-text .accent {
    color: var(--color-accent);
  }

  .logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(79, 124, 255, 0.25), rgba(0, 229, 160, 0.15));
    border: 1px solid rgba(79, 124, 255, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 18px;
    flex-shrink: 0;
  }

  .nav-link {
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    transition: all 0.2s;
    text-decoration: none;
    position: relative;
  }
  .nav-link:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.06);
  }
  .nav-link.active {
    color: var(--color-primary);
    background: rgba(79, 124, 255, 0.1);
  }
  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 2px;
  }
  .nav-link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }

  .mobile-nav-link {
    display: block;
    padding: 12px 16px;
    border-radius: 12px;
    color: var(--color-text-secondary);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
  }
  .mobile-nav-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text);
  }
  .mobile-nav-link.active {
    color: var(--color-primary);
    background: rgba(79, 124, 255, 0.1);
  }

  .search-input {
    width: 100%;
    height: 40px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-pill);
    padding: 0 44px 0 16px;
    font-size: 14px;
    color: var(--color-text);
    transition: all 0.2s;
  }
  .search-input::placeholder {
    color: var(--color-text-muted);
  }
  .search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.09);
    box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.15);
  }

  .hero-section {
    position: relative;
    padding: 5rem 0 4rem;
    overflow: hidden;
  }
  .hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
  }
  .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, #0B0F1A 20%, rgba(11, 15, 26, 0.9) 45%, rgba(11, 15, 26, 0.7) 80%);
  }
  .hero-starfield {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
      radial-gradient(1px 1px at 12% 30%, rgba(255, 255, 255, 0.5), transparent),
      radial-gradient(1px 1px at 80% 10%, rgba(255, 255, 255, 0.35), transparent),
      radial-gradient(1.5px 1.5px at 50% 60%, rgba(255, 255, 255, 0.2), transparent),
      radial-gradient(1px 1px at 90% 65%, rgba(255, 255, 255, 0.3), transparent),
      radial-gradient(1px 1px at 25% 85%, rgba(255, 255, 255, 0.25), transparent);
  }

  .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 600;
  }
  .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 8px rgba(0, 229, 160, 0.8);
    animation: pulse-dot 1.6s infinite;
  }
  @keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
  }

  .countdown-block {
    min-width: 76px;
    height: 84px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(16px);
    border-radius: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
  }
  .countdown-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 229, 160, 0.4), transparent);
  }
  .countdown-num {
    font-size: 2rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--color-accent);
    line-height: 1;
    transition: transform 0.06s ease;
  }
  .countdown-label {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: 6px;
    letter-spacing: 0.08em;
  }

  .tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    color: var(--color-text-secondary);
    transition: all 0.2s;
    cursor: default;
  }
  .tag:hover {
    border-color: rgba(79, 124, 255, 0.5);
    color: var(--color-text);
  }

  .section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
  }
  .section-label::before {
    content: '';
    width: 20px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 2px;
  }

  .news-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1rem;
    transition: all 0.2s;
    text-decoration: none;
    color: var(--color-text);
  }
  .news-card:hover {
    border-color: rgba(79, 124, 255, 0.45);
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  }
  .news-card:hover .news-arrow {
    transform: translateX(4px);
    color: var(--color-primary);
  }
  .news-card:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }
  .news-arrow {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: all 0.2s;
  }

  .feature-card {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1.25rem;
    overflow: hidden;
    transition: all 0.25s;
  }
  .feature-card:hover {
    border-color: rgba(79, 124, 255, 0.35);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  }
  .feature-card img {
    transition: transform 0.4s ease;
  }
  .feature-card:hover img {
    transform: scale(1.03);
  }

  .step-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
  }
  .step-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(79, 124, 255, 0.12);
    border: 1px solid rgba(79, 124, 255, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
  }
  .step-line {
    position: absolute;
    top: 28px;
    right: calc(50% + 40px);
    width: calc(100% - 80px);
    height: 0;
    border-top: 2px dashed rgba(255, 255, 255, 0.12);
  }
  .step-line.right {
    left: calc(50% + 40px);
    right: auto;
    width: calc(100% - 80px);
  }

  .faq-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color 0.2s;
  }
  .faq-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
  }
  .faq-item.open {
    border-color: rgba(79, 124, 255, 0.35);
  }
  .faq-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: background 0.2s;
  }
  .faq-btn:hover {
    background: rgba(255, 255, 255, 0.02);
  }
  .faq-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
    border-radius: 1rem;
  }
  .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: transform 0.25s, color 0.25s, background 0.25s;
  }
  .faq-item.open .faq-icon {
    transform: rotate(135deg);
    color: var(--color-accent);
    background: rgba(0, 229, 160, 0.12);
  }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 24px;
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.8;
  }
  .faq-item.open .faq-answer {
    padding-bottom: 20px;
  }

  .cta-section {
    position: relative;
    background: linear-gradient(180deg, rgba(79, 124, 255, 0.08), rgba(11, 15, 26, 0.4));
  }
  .cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(79, 124, 255, 0.15), transparent 65%);
    pointer-events: none;
  }

  .footer {
    background: var(--color-bg-deep);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }
  .footer-link {
    color: var(--color-text-secondary);
    font-size: 14px;
    text-decoration: none;
    transition: color 0.2s;
    display: inline-block;
    padding: 3px 0;
  }
  .footer-link:hover {
    color: var(--color-primary);
  }
  .social-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all 0.2s;
    text-decoration: none;
    font-size: 16px;
  }
  .social-icon:hover {
    color: var(--color-accent);
    border-color: rgba(0, 229, 160, 0.4);
    transform: translateY(-2px);
  }

  .empty-state {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 1.25rem;
    padding: 40px 24px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 15px;
    background: rgba(255, 255, 255, 0.02);
  }

  .section-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.06);
    border: none;
  }

  @media (max-width: 640px) {
    .countdown-block {
      min-width: 64px;
      height: 72px;
    }
    .countdown-num {
      font-size: 1.5rem;
    }
    .hero-section {
      padding: 2.5rem 0 2rem;
    }
    .news-card {
      flex-direction: column;
      align-items: flex-start;
      padding: 16px;
    }
    .news-arrow {
      align-self: flex-end;
      margin-top: -28px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }

/* roulang page: category1 */
:root {
  --color-primary: #4F7CFF;
  --color-accent: #00E5A0;
  --color-bg: #0B0F1A;
  --color-bg-deep: #070A12;
  --color-bg-soft: #0D1220;
  --color-glass: rgba(255,255,255,0.05);
  --color-glass-border: rgba(255,255,255,0.12);
  --color-text: #E5E9F0;
  --color-text-secondary: #94A3B8;
  --color-text-muted: #64748B;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 8px 30px rgba(0,0,0,0.3);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
input, button { font-family: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
::selection {
  background: rgba(79,124,255,0.35);
  color: #fff;
}

.header-wrap {
  background: rgba(11,15,26,0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.logo-mark {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(79,124,255,0.25), rgba(0,229,160,0.15));
  border: 1px solid rgba(79,124,255,0.4);
  color: var(--color-primary);
  font-size: 16px;
  box-shadow: 0 0 18px rgba(79,124,255,0.25);
}
.nav-link {
  position: relative;
  padding: 8px 13px;
  font-size: 15px;
  color: var(--color-text-secondary);
  border-radius: 8px;
  transition: color 0.2s ease;
  white-space: nowrap;
}
.nav-link:hover { color: var(--color-text); }
.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transform: translateX(-50%);
  border-radius: 2px;
  transition: width 0.2s ease;
}
.nav-link:hover::after { width: 18px; }
.nav-link.active { color: var(--color-text); font-weight: 600; }
.nav-link.active::after { width: 18px; }

.search-box {
  display: flex;
  align-items: center;
  gap: 9px;
  height: 42px;
  padding: 0 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  transition: all 0.2s ease;
}
.search-box:focus-within {
  border-color: var(--color-primary);
  background: rgba(255,255,255,0.09);
  box-shadow: 0 0 20px rgba(79,124,255,0.18);
}
.search-icon {
  color: var(--color-text-muted);
  font-size: 14px;
  transition: color 0.2s;
}
.search-box:focus-within .search-icon { color: var(--color-primary); }
.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text);
  font-size: 14px;
  min-width: 0;
}
.search-input::placeholder { color: var(--color-text-muted); }

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  background: var(--color-primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  box-shadow: 0 0 15px rgba(79,124,255,0.35);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 28px rgba(79,124,255,0.55);
}
.btn-primary:active { transform: translateY(1px); box-shadow: 0 0 12px rgba(79,124,255,0.3); }

.btn-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--color-text);
  font-size: 15px;
  font-weight: 500;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}
.btn-glass:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.22);
  transform: translateY(-1px);
}
.btn-glass:active { transform: translateY(0); }

.btn-lg { height: 52px; padding: 0 32px; font-size: 16px; }
.btn-icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  color: var(--color-text-secondary);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-icon:hover { color: var(--color-text); background: rgba(255,255,255,0.1); }

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: var(--color-bg);
  border-top: 1px solid transparent;
}
.mobile-menu.open {
  max-height: 360px;
  border-top-color: rgba(255,255,255,0.06);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.mobile-link {
  display: block;
  padding: 13px 20px;
  color: var(--color-text-secondary);
  font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: all 0.2s;
}
.mobile-link:hover { color: var(--color-text); padding-left: 26px; }
.mobile-link.active { color: var(--color-primary); font-weight: 600; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 13px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}
.badge-live {
  color: var(--color-accent);
  border-color: rgba(0,229,160,0.3);
  background: rgba(0,229,160,0.1);
}
.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.glass-tag {
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text);
  background: rgba(11,15,26,0.6);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.live-card {
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.live-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.22);
  box-shadow: var(--shadow);
}
.card-img {
  overflow: hidden;
  aspect-ratio: 16/10;
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.live-card:hover .card-img img { transform: scale(1.04); }
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.feature-card {
  padding: 26px 22px;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(79,124,255,0.3);
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}
.feature-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 13px;
  background: rgba(79,124,255,0.12);
  border: 1px solid rgba(79,124,255,0.25);
  color: var(--color-primary);
  font-size: 20px;
  margin-bottom: 16px;
  transition: all 0.2s;
}
.feature-card:hover .feature-icon {
  background: rgba(79,124,255,0.2);
  box-shadow: 0 0 18px rgba(79,124,255,0.3);
}

.step-card {
  position: relative;
  padding: 28px 22px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}
.step-card:hover {
  border-color: rgba(0,229,160,0.25);
  background: rgba(0,229,160,0.03);
}
.step-num {
  display: inline-block;
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 14px;
  color: rgba(79,124,255,0.7);
  font-variant-numeric: tabular-nums;
}

.faq-item {
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: rgba(255,255,255,0.18); }
.faq-item.open { border-color: rgba(79,124,255,0.35); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: transparent;
  border: none;
  color: var(--color-text);
  font-size: 16px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--color-primary); }
.faq-icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--color-text-secondary);
  font-size: 13px;
  transition: all 0.3s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(79,124,255,0.15);
  border-color: rgba(79,124,255,0.4);
  color: var(--color-primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 240px; }
.faq-answer p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

.footer {
  background: var(--color-bg-deep);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-link {
  display: inline-block;
  padding: 4px 0;
  color: var(--color-text-secondary);
  font-size: 14px;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-link:hover { color: var(--color-primary); padding-left: 4px; }
.social-icon {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--color-text-secondary);
  font-size: 15px;
  transition: all 0.2s;
}
.social-icon:hover {
  color: var(--color-primary);
  border-color: rgba(79,124,255,0.4);
  background: rgba(79,124,255,0.1);
}

.star-decor {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* roulang page: article */
:root {
  --color-primary: #4F7CFF;
  --color-accent: #00E5A0;
  --color-bg: #0B0F1A;
  --color-bg-deep: #070A12;
  --color-glass: rgba(255,255,255,0.05);
  --color-glass-border: rgba(255,255,255,0.12);
  --color-text: #E5E9F0;
  --color-text-secondary: #94A3B8;
  --color-text-muted: #64748B;
  --radius-card: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }

.text-soft { color: #94A3B8; }
.text-faint { color: #64748B; }

.site-header {
  background: rgba(11,15,26,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #4F7CFF 0%, #7B5CFF 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  box-shadow: 0 0 16px rgba(79,124,255,0.4);
  flex-shrink: 0;
}
.search-box {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: 0 16px;
  height: 40px;
  transition: all 0.2s;
}
.search-box:focus-within {
  border-color: var(--color-primary);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 0 12px rgba(79,124,255,0.2);
}
.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text);
  flex: 1;
  font-size: 14px;
  min-width: 0;
}
.search-box input::placeholder { color: var(--color-text-muted); }
.search-box .search-icon {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-left: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.search-box .search-icon:hover { color: var(--color-text); }
.nav-link {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: 999px;
  transition: all 0.2s;
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--color-text);
  background: rgba(255,255,255,0.06);
}
.nav-link.active {
  color: #fff;
  background: rgba(79,124,255,0.15);
  box-shadow: inset 0 0 0 1px rgba(79,124,255,0.3);
}
.nav-link:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.share-btn:focus-visible,
.form-input:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.mobile-toggle {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s;
}
.mobile-toggle:hover { background: rgba(255,255,255,0.1); }
.mobile-menu {
  display: none;
  padding: 8px 20px 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(7,10,18,0.98);
}
.mobile-menu.show { display: block; }
.mobile-menu .nav-link { display: block; padding: 12px 8px; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 22px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
  box-shadow: 0 0 16px rgba(79,124,255,0.3);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 24px rgba(79,124,255,0.5);
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 0 16px rgba(79,124,255,0.3); }
.btn-sm { height: 36px; padding: 0 18px; font-size: 13px; }
.btn-large { height: 48px; padding: 0 28px; font-size: 15px; }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 22px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--color-text);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  cursor: pointer;
  white-space: nowrap;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
}
.glass-card {
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-card);
  transition: all 0.2s;
}
.glass-card:hover {
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-secondary); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { font-size: 10px; color: var(--color-text-muted); }
.breadcrumb .current {
  color: var(--color-text);
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.summary-text {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.article-body {
  max-width: 720px;
  line-height: 1.9;
  font-size: 16px;
  color: #CBD5E1;
}
.article-body p { margin-bottom: 1em; }
.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-top: 2em;
  margin-bottom: 0.75em;
  line-height: 1.3;
}
.article-body h3 {
  font-size: 19px;
  font-weight: 600;
  color: #E2E8F0;
  margin-top: 1.75em;
  margin-bottom: 0.6em;
}
.article-body blockquote {
  border-left: 3px solid var(--color-primary);
  background: rgba(79,124,255,0.08);
  padding: 14px 18px;
  border-radius: 0 12px 12px 0;
  color: var(--color-text-secondary);
  font-style: italic;
  margin: 1.5em 0;
}
.article-body ul, .article-body ol { margin: 1em 0; padding-left: 1.5em; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 0.4em; }
.article-body img { border-radius: 16px; margin: 1.5em 0; box-shadow: 0 8px 32px rgba(0,0,0,0.3); }
.article-body a { color: var(--color-primary); text-decoration: underline; }
.article-body a:hover { text-decoration: none; }
.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-accent);
  background: rgba(0,229,160,0.1);
  border: 1px solid rgba(0,229,160,0.2);
  transition: all 0.2s;
}
.tag-pill:hover {
  background: rgba(0,229,160,0.18);
  border-color: rgba(0,229,160,0.35);
}
.hot-rank {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(79,124,255,0.15);
  color: #4F7CFF;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.form-input {
  width: 100%;
  height: 44px;
  padding: 0 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  color: var(--color-text);
  font-size: 14px;
  outline: none;
  transition: all 0.2s;
}
.form-input::placeholder { color: var(--color-text-muted); }
.form-input:focus {
  border-color: var(--color-primary);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 0 12px rgba(79,124,255,0.2);
}
.news-card {
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.2s;
  display: block;
}
.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.25);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}
.news-card-cover {
  position: relative;
  height: 165px;
  overflow: hidden;
}
.news-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.news-card:hover .news-card-cover img { transform: scale(1.05); }
.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(11,15,26,0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid rgba(255,255,255,0.15);
}
.share-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all 0.2s;
  cursor: pointer;
}
.share-btn:hover {
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 0 12px rgba(79,124,255,0.3);
}
.faq-item {
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: rgba(255,255,255,0.18); }
.faq-q {
  width: 100%;
  min-height: 56px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: transparent;
  border: none;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s;
}
.faq-q:hover { background: rgba(255,255,255,0.02); }
.faq-q:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; border-radius: 16px; }
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  transition: all 0.2s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--color-accent); background: rgba(0,229,160,0.12); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 20px;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.75;
}
.faq-item.open .faq-a { max-height: 400px; padding-bottom: 18px; }
.cta-section {
  position: relative;
  background: linear-gradient(135deg, rgba(79,124,255,0.15), rgba(123,92,255,0.08)), var(--color-bg);
}
.footer {
  background: var(--color-bg-deep);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-link {
  color: var(--color-text-secondary);
  font-size: 14px;
  transition: color 0.2s;
  padding: 4px 0;
  display: inline-block;
}
.footer-link:hover { color: var(--color-primary); }
.social-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: 16px;
  transition: all 0.2s;
}
.social-icon:hover {
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 0 14px rgba(79,124,255,0.3);
}
.not-found-card {
  background: var(--color-glass);
  border: 1px dashed rgba(255,255,255,0.18);
  border-radius: 20px;
  padding: 60px 30px;
  text-align: center;
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}

/* roulang page: category2 */
:root {
      --color-primary: #4F7CFF;
      --color-accent: #00E5A0;
      --color-bg: #0B0F1A;
      --color-bg-deep: #070A12;
      --color-glass: rgba(255, 255, 255, 0.05);
      --color-glass-border: rgba(255, 255, 255, 0.12);
      --color-text: #E5E9F0;
      --color-text-secondary: #94A3B8;
      --color-text-muted: #64748B;
    }

    * { box-sizing: border-box; }

    html { scroll-behavior: smooth; }

    body {
      background: var(--color-bg);
      color: var(--color-text);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      margin: 0;
    }

    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button { font-family: inherit; cursor: pointer; }

    .container { max-width: 80rem; margin: 0 auto; padding: 0 1rem; }

    /* ===== Header ===== */
    .site-header {
      background: rgba(11, 15, 26, 0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      position: sticky;
      top: 0;
      z-index: 50;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      height: 64px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 0.625rem;
      flex-shrink: 0;
    }

    .logo-mark {
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--color-primary), #2E5BFF);
      color: #fff;
      font-size: 14px;
      box-shadow: 0 0 18px rgba(79, 124, 255, 0.4);
    }

    .logo-text {
      font-size: 1.1rem;
      font-weight: 800;
      letter-spacing: 0.02em;
      white-space: nowrap;
    }

    .text-accent { color: var(--color-accent); }

    .search-box {
      flex: 1;
      max-width: 420px;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 999px;
      padding: 0.5rem 1rem;
      color: var(--color-text-muted);
      transition: all 0.2s ease;
    }

    .search-box:focus-within {
      border-color: var(--color-primary);
      background: rgba(255, 255, 255, 0.08);
      box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.15);
    }

    .search-box input {
      background: transparent;
      border: none;
      outline: none;
      color: var(--color-text);
      width: 100%;
      font-size: 0.9rem;
    }

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

    .header-right {
      display: flex;
      align-items: center;
      gap: 1rem;
      flex-shrink: 0;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      padding: 0.375rem 0.875rem;
      border-radius: 999px;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--color-text-secondary);
      transition: all 0.2s;
      white-space: nowrap;
    }

    .nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
    .nav-link.active {
      color: #fff;
      background: rgba(79, 124, 255, 0.18);
      box-shadow: inset 0 0 0 1px rgba(79, 124, 255, 0.45);
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 40px;
      padding: 0 1.25rem;
      border-radius: 999px;
      background: var(--color-primary);
      color: #fff;
      font-weight: 600;
      font-size: .875rem;
      box-shadow: 0 0 18px rgba(79, 124, 255, 0.35);
      transition: all 0.2s;
      flex-shrink: 0;
    }

    .btn-primary:hover {
      background: #5B88FF;
      transform: translateY(-1px);
      box-shadow: 0 0 28px rgba(79, 124, 255, 0.55);
    }

    .btn-primary:active { transform: translateY(0); }
    .btn-primary:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

    .menu-toggle {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 10px;
      width: 40px;
      height: 40px;
      color: #fff;
      font-size: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.2s;
    }

    .menu-toggle:hover { background: rgba(255, 255, 255, 0.14); }

    .mobile-nav {
      display: none;
      padding: 0.5rem 0 1rem;
      flex-direction: column;
      gap: 0.25rem;
    }

    .mobile-nav.open { display: flex; }

    .mobile-nav-link {
      padding: 0.625rem 1rem;
      border-radius: 12px;
      color: var(--color-text-secondary);
      font-weight: 500;
      transition: all 0.2s;
    }

    .mobile-nav-link.active { background: rgba(79, 124, 255, 0.15); color: #fff; }
    .mobile-nav-link:hover { background: rgba(255, 255, 255, 0.06); color: #fff; }

    /* ===== Page Banner ===== */
    .page-banner {
      position: relative;
      padding: 76px 0 68px;
      overflow: hidden;
    }

    .banner-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0.35;
    }

    .page-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 30% 20%, rgba(79, 124, 255, 0.22), transparent 60%),
        linear-gradient(180deg, rgba(11, 15, 26, 0.5), var(--color-bg));
    }

    .banner-content { position: relative; text-align: center; }
    .banner-content .badge { margin-bottom: 1rem; }
    .banner-content h1 {
      font-size: 2.5rem;
      font-weight: 800;
      letter-spacing: 0.02em;
      line-height: 1.25;
      margin: 0;
    }
    .banner-content p {
      margin: 0.75rem auto 0;
      color: var(--color-text-secondary);
      font-size: 1rem;
      max-width: 560px;
    }

    /* ===== Section ===== */
    .section { padding: 56px 0; }
    .section-alt { background: rgba(255, 255, 255, 0.02); }

    .section-title-wrap { margin-bottom: 2rem; }

    .section-title-wrap .label {
      color: var(--color-accent);
      font-size: .75rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      display: block;
      margin-bottom: .5rem;
    }

    .section-title { font-size: 1.75rem; font-weight: 800; line-height: 1.3; margin: 0; }
    .section-desc { color: var(--color-text-secondary); font-size: .95rem; max-width: 640px; margin: .5rem 0 0; }

    /* ===== Card ===== */
    .news-card {
      background: var(--color-glass);
      border: 1px solid var(--color-glass-border);
      border-radius: 1rem;
      overflow: hidden;
      transition: all 0.2s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .news-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255, 255, 255, 0.22);
    }

    .news-card-cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }

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

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

    .news-card-cover .badge { position: absolute; top: 10px; left: 10px; z-index: 2; }

    .card-body { padding: 1.125rem; display: flex; flex-direction: column; flex: 1; }

    .card-body h3 {
      font-size: 1rem;
      font-weight: 700;
      line-height: 1.4;
      margin: 0 0 0.5rem;
      color: var(--color-text);
      transition: color 0.2s;
    }

    .news-card:hover .card-body h3 { color: #A8C0FF; }

    .card-body p {
      font-size: .875rem;
      color: var(--color-text-secondary);
      line-height: 1.7;
      margin: 0 0 0.75rem;
      flex: 1;
    }

    .card-meta {
      font-size: .75rem;
      color: var(--color-text-muted);
      display: flex;
      align-items: center;
      gap: 0.5rem;
      margin-top: auto;
    }

    .arrow-link { transition: transform 0.2s; }

    .news-card:hover .arrow-link { transform: translateX(4px); color: var(--color-accent); }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: .25rem;
      padding: .25rem .75rem;
      border-radius: 999px;
      font-size: .75rem;
      font-weight: 600;
      line-height: 1.4;
    }

    .badge-primary { background: rgba(79, 124, 255, 0.2); color: #A8C0FF; }
    .badge-accent { background: rgba(0, 229, 160, 0.15); color: var(--color-accent); }

    /* ===== Feature ===== */
    .feature-card {
      background: var(--color-glass);
      border: 1px solid var(--color-glass-border);
      border-radius: 1rem;
      padding: 1.5rem;
      height: 100%;
      transition: all 0.2s;
    }

    .feature-card:hover {
      border-color: rgba(79, 124, 255, 0.35);
      transform: translateY(-3px);
    }

    .feature-icon {
      width: 46px;
      height: 46px;
      border-radius: 14px;
      background: rgba(79, 124, 255, 0.15);
      color: var(--color-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.15rem;
      margin-bottom: 1rem;
    }

    .feature-card h3 { font-size: 1rem; font-weight: 700; margin: 0 0 .5rem; }
    .feature-card p { font-size: .875rem; color: var(--color-text-secondary); margin: 0; line-height: 1.7; }

    /* ===== Process ===== */
    .step-line {
      display: flex;
      gap: 1rem;
      align-items: flex-start;
      padding: 1.25rem;
      background: var(--color-glass);
      border: 1px solid var(--color-glass-border);
      border-radius: 1rem;
      transition: border-color 0.2s;
      height: 100%;
    }

    .step-line:hover { border-color: rgba(0, 229, 160, 0.3); }

    .step-num {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: rgba(0, 229, 160, 0.15);
      border: 1px solid rgba(0, 229, 160, 0.3);
      color: var(--color-accent);
      font-weight: 700;
      font-size: .875rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .step-line h4 { font-size: .95rem; font-weight: 700; margin: 0 0 .25rem; }
    .step-line p { font-size: .875rem; color: var(--color-text-secondary); margin: 0; line-height: 1.6; }

    /* ===== FAQ ===== */
    .faq-item {
      background: var(--color-glass);
      border: 1px solid var(--color-glass-border);
      border-radius: 1rem;
      margin-bottom: .75rem;
      overflow: hidden;
      transition: border-color 0.2s;
    }

    .faq-item:hover { border-color: rgba(255, 255, 255, 0.18); }

    .faq-q {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      padding: 1rem 1.25rem;
      font-weight: 600;
      color: var(--color-text);
      background: transparent;
      border: none;
      text-align: left;
      font-size: .95rem;
      transition: color 0.2s;
    }

    .faq-q:hover { color: var(--color-primary); }
    .faq-q:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; border-radius: 1rem; }

    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: .75rem;
      transition: transform 0.2s;
      flex-shrink: 0;
    }

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

    .faq-a {
      display: grid;
      grid-template-rows: 0fr;
      transition: grid-template-rows 0.25s ease;
    }

    .faq-item.open .faq-a { grid-template-rows: 1fr; }

    .faq-a-inner { overflow: hidden; }

    .faq-a p {
      padding: 0 1.25rem 1.125rem;
      color: var(--color-text-secondary);
      font-size: .9rem;
      margin: 0;
      line-height: 1.75;
    }

    /* ===== CTA ===== */
    .cta-section {
      position: relative;
      padding: 80px 0;
      overflow: hidden;
    }

    .cta-bg {
      position: absolute;
      inset: 0;
      background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
      opacity: .25;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 50% 50%, rgba(79, 124, 255, 0.28), transparent 70%);
    }

    .stars {
      position: absolute;
      inset: 0;
      background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(255, 255, 255, .7), transparent),
        radial-gradient(1px 1px at 60% 70%, rgba(255, 255, 255, .6), transparent),
        radial-gradient(1.5px 1.5px at 80% 20%, rgba(255, 255, 255, .5), transparent),
        radial-gradient(1px 1px at 40% 55%, rgba(255, 255, 255, .55), transparent),
        radial-gradient(1px 1px at 70% 85%, rgba(255, 255, 255, .45), transparent);
      opacity: .5;
    }

    .cta-content { position: relative; text-align: center; }
    .cta-content h2 { font-size: 2rem; font-weight: 800; margin: 0 0 .75rem; }
    .cta-content p { color: var(--color-text-secondary); font-size: 1rem; max-width: 560px; margin: 0 auto 1.75rem; }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 48px;
      padding: 0 1.5rem;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--color-glass-border);
      color: var(--color-text);
      font-weight: 600;
      font-size: .9rem;
      transition: all 0.2s;
    }

    .btn-outline:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.2); transform: translateY(-1px); }
    .btn-outline:active { transform: translateY(0); }
    .btn-outline:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

    .btn-lg { height: 48px; padding: 0 1.75rem; font-size: .95rem; }

    /* ===== Footer ===== */
    .footer { background: var(--color-bg-deep); border-top: 1px solid rgba(255, 255, 255, 0.06); }

    .footer-link {
      color: var(--color-text-secondary);
      font-size: .875rem;
      transition: color 0.2s;
      display: inline-block;
    }

    .footer-link:hover { color: var(--color-primary); }

    .social-icon {
      width: 38px;
      height: 38px;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-text-secondary);
      transition: all 0.2s;
    }

    .social-icon:hover { background: rgba(79, 124, 255, 0.2); color: #fff; transform: translateY(-2px); }

    .text-soft { color: var(--color-text-secondary); }
    .text-faint { color: var(--color-text-muted); }

    /* ===== Responsive ===== */
    @media (max-width: 1023px) {
      .header-inner { height: 56px; }
      .logo-text { font-size: 1rem; }
      .banner-content h1 { font-size: 2rem; }
    }

    @media (max-width: 767px) {
      .section { padding: 40px 0; }
      .banner-content h1 { font-size: 1.65rem; }
      .cta-section { padding: 60px 0; }
      .cta-content h2 { font-size: 1.5rem; }
      .section-title { font-size: 1.4rem; }
    }

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

/* roulang page: category3 */
:root {
      --color-primary: #4F7CFF;
      --color-accent: #00E5A0;
      --color-bg: #0B0F1A;
      --color-bg-deep: #070A12;
      --color-glass: rgba(255, 255, 255, 0.05);
      --color-glass-border: rgba(255, 255, 255, 0.12);
      --color-text: #E5E9F0;
      --color-text-secondary: #94A3B8;
      --color-text-muted: #64748B;
      --radius-card: 1rem;
      --shadow-glow: 0 0 20px rgba(79, 124, 255, 0.5);
      --shadow-glow-hover: 0 0 30px rgba(79, 124, 255, 0.7);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background: var(--color-bg);
      color: var(--color-text);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button {
      cursor: pointer;
      font-family: inherit;
    }

    input {
      font-family: inherit;
    }

    .container {
      max-width: 80rem;
      margin: 0 auto;
      padding-left: 1rem;
      padding-right: 1rem;
    }

    .site-header {
      background: rgba(11, 15, 26, 0.86);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .logo-mark {
      width: 36px;
      height: 36px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(79, 124, 255, 0.35), rgba(0, 229, 160, 0.25));
      border: 1px solid rgba(255, 255, 255, 0.14);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      font-size: 16px;
      box-shadow: 0 0 18px rgba(79, 124, 255, 0.18);
    }

    .nav-link {
      padding: 0.4rem 0.85rem;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--color-text-secondary);
      border-radius: 999px;
      position: relative;
      transition: color .2s ease, background .2s ease;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.06);
    }

    .nav-link.active {
      color: #fff;
      background: rgba(79, 124, 255, 0.12);
    }

    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 2px;
      transform: translateX(-50%);
      width: 18px;
      height: 2px;
      border-radius: 2px;
      background: var(--color-accent);
    }

    .search-box {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 999px;
      height: 42px;
      padding: 0 1rem;
      transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .search-box:focus-within {
      border-color: var(--color-primary);
      background: rgba(255, 255, 255, 0.09);
      box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.18);
    }

    .search-box i {
      color: var(--color-text-muted);
      font-size: 0.9rem;
    }

    .search-box input {
      flex: 1;
      background: transparent;
      border: none;
      outline: none;
      color: var(--color-text);
      font-size: 0.875rem;
      min-width: 0;
    }

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

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.45rem;
      height: 44px;
      padding: 0 1.35rem;
      border-radius: 999px;
      background: var(--color-primary);
      color: #fff;
      font-size: 0.9rem;
      font-weight: 600;
      white-space: nowrap;
      border: none;
      box-shadow: 0 0 18px rgba(79, 124, 255, 0.35);
      transition: box-shadow .2s ease, transform .2s ease, background .2s ease;
    }

    .btn-primary:hover {
      box-shadow: var(--shadow-glow-hover);
      transform: translateY(-1px);
    }

    .btn-primary:active {
      transform: translateY(1px);
      box-shadow: 0 0 12px rgba(79, 124, 255, 0.4);
    }

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

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.45rem;
      height: 44px;
      padding: 0 1.3rem;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.14);
      color: var(--color-text-secondary);
      font-size: 0.9rem;
      font-weight: 500;
      white-space: nowrap;
      transition: background .2s ease, color .2s ease, border-color .2s ease;
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
      border-color: rgba(255, 255, 255, 0.25);
    }

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

    .btn-sm {
      height: 38px;
      font-size: 0.85rem;
      padding: 0 1rem;
    }

    .glass-card {
      background: var(--color-glass);
      border: 1px solid var(--color-glass-border);
      border-radius: var(--radius-card);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .glass-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255, 255, 255, 0.22);
      background: rgba(255, 255, 255, 0.08);
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.3rem 1rem;
      border-radius: 999px;
      background: rgba(0, 229, 160, 0.1);
      border: 1px solid rgba(0, 229, 160, 0.25);
      color: var(--color-accent);
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 0.02em;
    }

    .section-title {
      font-size: clamp(1.6rem, 2.5vw, 2rem);
      font-weight: 800;
      line-height: 1.25;
      margin-top: 0.6rem;
      margin-bottom: 0.4rem;
      color: #fff;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.3rem 1rem;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.07);
      border: 1px solid rgba(255, 255, 255, 0.14);
      color: var(--color-text-secondary);
      font-size: 0.8rem;
      font-weight: 500;
    }

    .icon-block {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: rgba(79, 124, 255, 0.18);
      border: 1px solid rgba(79, 124, 255, 0.25);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      font-size: 1.1rem;
    }

    .step-number {
      width: 48px;
      height: 48px;
      margin: 0 auto 1rem;
      border-radius: 16px;
      background: rgba(79, 124, 255, 0.15);
      border: 1px solid rgba(79, 124, 255, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--color-accent);
    }

    .footer {
      background: var(--color-bg-deep);
      border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .footer-link {
      color: var(--color-text-secondary);
      font-size: 0.875rem;
      line-height: 1.9;
      transition: color .2s ease, padding-left .2s ease;
    }

    .footer-link:hover {
      color: var(--color-primary);
      padding-left: 4px;
    }

    .social-icon {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--color-text-secondary);
      font-size: 1rem;
      transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
    }

    .social-icon:hover {
      background: rgba(79, 124, 255, 0.15);
      color: var(--color-primary);
      border-color: rgba(79, 124, 255, 0.35);
      transform: translateY(-3px);
    }

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

    .text-faint {
      color: var(--color-text-muted);
    }

    .mobile-menu {
      max-height: 0;
      overflow: hidden;
      transition: max-height .3s ease;
      background: rgba(11, 15, 26, 0.98);
      border-top: 1px solid rgba(255, 255, 255, 0.04);
    }

    .mobile-menu.open {
      max-height: 420px;
    }

    .mobile-link {
      display: block;
      padding: 0.8rem 1.25rem;
      color: var(--color-text-secondary);
      font-size: 0.95rem;
      font-weight: 500;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      transition: color .2s ease, background .2s ease;
    }

    .mobile-link:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.03);
    }

    .mobile-link.active {
      color: var(--color-accent);
      background: rgba(0, 229, 160, 0.05);
    }

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

    .faq-item:hover {
      border-color: rgba(255, 255, 255, 0.2);
    }

    .faq-item-btn {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      width: 100%;
      padding: 1.25rem 1.5rem;
      text-align: left;
      background: transparent;
      border: none;
      color: var(--color-text);
      font-size: 1rem;
      font-weight: 600;
    }

    .faq-icon {
      width: 30px;
      height: 30px;
      flex-shrink: 0;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.14);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-text-secondary);
      font-size: 0.85rem;
      transition: transform .3s ease, background .3s ease, color .3s ease;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: rgba(79, 124, 255, 0.18);
      color: var(--color-primary);
    }

    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height .3s ease;
    }

    .faq-content-inner {
      padding: 0 1.5rem 1.4rem;
      color: var(--color-text-secondary);
      font-size: 0.925rem;
      line-height: 1.8;
    }

    .card-image {
      position: relative;
      aspect-ratio: 16/9;
      overflow: hidden;
      border-radius: 0.9rem;
    }

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

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

    .card-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      z-index: 2;
      padding: 0.25rem 0.75rem;
      border-radius: 999px;
      font-size: 0.75rem;
      font-weight: 600;
      background: rgba(11, 15, 26, 0.72);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.16);
      color: var(--color-accent);
    }

    .cta-glow {
      box-shadow: 0 0 60px rgba(79, 124, 255, 0.25);
    }

    .inline-arrow {
      transition: transform .2s ease;
    }

    .glass-card:hover .inline-arrow {
      transform: translateX(4px);
    }

    @media (max-width: 1023px) {
      .section-title {
        font-size: 1.6rem;
      }
    }

    @media (max-width: 640px) {
      .container {
        padding-left: 1rem;
        padding-right: 1rem;
      }

      .btn-primary,
      .btn-secondary {
        height: 42px;
        font-size: 0.85rem;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
      }
    }