/* roulang page: index */
:root {
  --bg-base: #0A0B0A;
  --bg-surface: #151713;
  --bg-elevated: #1C1E19;
  --text-primary: #F4F6F1;
  --text-secondary: #A6AEA2;
  --text-muted: #666D62;
  --accent: #C7F24A;
  --accent-hover: #D6FA6A;
  --accent-soft: rgba(199, 242, 74, 0.12);
  --border: rgba(255, 255, 255, 0.09);
  --success: #7BD88F;
  --warning: #F0BA4D;
  --error: #F26D6D;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 30px rgba(199, 242, 74, 0.07);
  --ease: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

img {
  display: block;
  max-width: 100%;
  border: 0;
}

ul,
ol {
  list-style: none;
}

button,
input {
  font: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

::selection {
  background: var(--accent);
  color: #0A0B0A;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: transform var(--ease), background var(--ease), color var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.btn-primary {
  background: var(--accent);
  color: #12150D;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(199, 242, 74, 0.5), 0 8px 24px rgba(199, 242, 74, 0.12);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.btn-lg {
  height: 52px;
  padding: 0 36px;
}

.badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(10, 11, 10, 0.6);
  border-bottom: 1px solid transparent;
  transition: background var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.site-header.scrolled {
  background: rgba(10, 11, 10, 0.92);
  border-bottom-color: var(--border);
  backdrop-filter: blur(12px);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--accent), #3B3F33);
  color: #0A0B0A;
  flex-shrink: 0;
}

.brand-text {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  white-space: nowrap;
}

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

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

.nav-link {
  position: relative;
  padding: 6px 2px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--ease);
}

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

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

.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.nav-cta {
  height: 40px;
  padding: 0 20px;
  margin-left: 8px;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--text-primary);
  transition: transform var(--ease), opacity var(--ease);
}

.nav-toggle span + span {
  margin-top: 6px;
}

.nav-toggle.open span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle.open span:last-child {
  transform: translateY(-4px) rotate(-45deg);
  margin-top: 0;
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 120px 24px 80px;
  overflow: hidden;
  background: var(--bg-base);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.45;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-base) 4%, rgba(10, 11, 10, 0.55) 45%, rgba(10, 11, 10, 0.25) 100%);
}

.hero-card {
  position: relative;
  width: 100%;
  max-width: 520px;
  padding: 48px 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  text-align: center;
}

.hero-eyebrow {
  margin-bottom: 16px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.hero-card h1 {
  margin-bottom: 20px;
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.hero-sub {
  margin-bottom: 32px;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

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

.hero-trust {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 32px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

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

.hero-trust svg {
  color: var(--accent);
  flex-shrink: 0;
}

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  opacity: 0.6;
}

.scroll-hint .dot {
  display: flex;
  justify-content: center;
  width: 24px;
  height: 40px;
  padding-top: 6px;
  border: 2px solid rgba(199, 242, 74, 0.5);
  border-radius: 999px;
}

.scroll-hint .dot::after {
  content: '';
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: var(--accent);
  animation: scrollDot 1.6s infinite;
}

@keyframes scrollDot {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(8px);
    opacity: 0;
  }
}

.stats {
  padding: 64px 0;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-num {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--accent);
}

.stat-label {
  margin-top: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.featured {
  padding: 96px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.25;
  font-weight: 600;
}

.section-head .sub {
  margin-top: 8px;
  color: var(--text-secondary);
  max-width: 520px;
}

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--ease), transform var(--ease);
}

.more-link:hover {
  color: var(--accent);
  transform: translateX(2px);
}

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

.card {
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(199, 242, 74, 0.4);
  box-shadow: var(--shadow-hover);
}

.card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-elevated);
}

.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}

.card-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(10, 11, 10, 0.7);
  color: var(--text-primary);
  font-size: 0.6875rem;
  line-height: 22px;
  white-space: nowrap;
}

.card-body {
  padding: 20px;
}

.card-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
  font-size: 1.0625rem;
  line-height: 1.5;
  font-weight: 500;
  color: var(--text-primary);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.card-meta .meta-cat {
  color: var(--accent);
}

.card-meta svg {
  vertical-align: -2px;
  margin-right: 4px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--ease), transform var(--ease);
}

.card-link:hover {
  color: var(--accent);
  transform: translateX(2px);
}

.features {
  padding: 96px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.checklist {
  max-width: 960px;
}

.checklist-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 24px 8px;
  border-bottom: 1px solid var(--border);
  transition: background var(--ease), padding var(--ease);
}

.checklist-item:first-child {
  border-top: 1px solid var(--border);
}

.checklist-item:hover {
  background: var(--accent-soft);
  padding-left: 16px;
}

.checklist-num {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  opacity: 0.85;
}

.checklist-body h3 {
  margin-bottom: 6px;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-primary);
}

.checklist-body p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.checklist-arrow {
  color: var(--text-muted);
  transition: color var(--ease), transform var(--ease);
}

.checklist-item:hover .checklist-arrow {
  color: var(--accent);
  transform: translateX(4px);
}

.reviews {
  padding: 96px 0;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}

.reviews-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 64px;
  align-items: start;
}

.score-panel {
  padding-top: 8px;
  text-align: center;
}

.score-num {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}

.stars {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-top: 12px;
  color: var(--accent);
}

.score-people {
  margin-top: 10px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

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

.review-card {
  position: relative;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-base);
}

.review-card::before {
  content: '“';
  position: absolute;
  top: 12px;
  left: 20px;
  font-size: 3rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0.35;
}

.review-text {
  margin-top: 12px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.review-author {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.review-author .avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
}

.review-date {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.latest {
  padding: 96px 0;
}

.latest-wrap {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 64px;
  align-items: start;
}

.latest-head h2 {
  margin-bottom: 16px;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.25;
}

.latest-head p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.latest-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.latest-item {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  transition: border-color var(--ease), transform var(--ease);
}

.latest-item:hover {
  border-color: rgba(199, 242, 74, 0.4);
  transform: translateY(-2px);
}

.latest-item .badge {
  margin-bottom: 12px;
}

.latest-item h3 {
  margin-bottom: 8px;
  font-size: 1.125rem;
  line-height: 1.5;
}

.latest-item h3 a {
  color: var(--text-primary);
  transition: color var(--ease);
}

.latest-item h3 a:hover {
  color: var(--accent);
}

.latest-item p {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.latest-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.latest-meta time {
  color: var(--text-muted);
}

.empty-state {
  padding: 56px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.cta {
  padding: 96px 0;
  background: radial-gradient(ellipse at 50% 80%, rgba(199, 242, 74, 0.06), transparent 60%), var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.cta h2 {
  margin-bottom: 16px;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.25;
}

.cta-desc {
  max-width: 560px;
  margin: 0 auto 32px;
  font-size: 1.0625rem;
  color: var(--text-secondary);
}

.cta-form {
  display: flex;
  justify-content: center;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.cta-form input {
  flex: 1;
  min-width: 240px;
  height: 52px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: border-color var(--ease), box-shadow var(--ease);
}

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

.cta-form input:focus {
  border-color: rgba(199, 242, 74, 0.6);
  box-shadow: 0 0 0 3px rgba(199, 242, 74, 0.2);
}

.cta-note {
  margin-top: 16px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.cta-success {
  color: var(--success);
}

.faq {
  padding: 96px 0;
}

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

.faq-wrap h2 {
  margin-bottom: 48px;
  text-align: center;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.25;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-of-type {
  border-top: 1px solid var(--border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 24px 0;
  text-align: left;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: color var(--ease);
}

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

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

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

.faq-icon::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.faq-icon::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

.faq-item.open .faq-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-secondary);
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding-bottom: 24px;
}

.site-footer {
  padding: 64px 0 24px;
  background: #060706;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-desc {
  max-width: 280px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.footer-col h4 {
  margin-bottom: 16px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

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

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: color var(--ease);
}

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

@media (max-width: 1023px) {
  .main-nav {
    gap: 20px;
  }

  .main-nav ul {
    gap: 18px;
  }

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

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

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

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

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

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 24px;
    padding: 32px 24px;
    background: rgba(10, 11, 10, 0.98);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }

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

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    width: 100%;
  }

  .nav-link {
    font-size: 1.125rem;
  }

  .nav-cta {
    width: 100%;
    margin: 8px 0 0;
    justify-content: center;
  }

  .hero {
    min-height: 90vh;
    padding: 96px 16px 64px;
  }

  .hero-card {
    padding: 32px 20px;
  }

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

  .hero-actions .btn {
    width: 100%;
  }

  .hero-trust {
    gap: 12px 20px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .featured,
  .features,
  .reviews,
  .latest,
  .cta,
  .faq {
    padding: 64px 0;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .checklist-item {
    grid-template-columns: 48px 1fr;
    gap: 16px;
    padding: 20px 4px;
  }

  .checklist-num {
    font-size: 2rem;
  }

  .checklist-arrow {
    display: none;
  }

  .review-cards {
    display: flex;
    gap: 16px;
    padding-bottom: 8px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
  }

  .review-card {
    min-width: 78%;
    scroll-snap-align: start;
  }

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

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

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

  .card:hover,
  .btn:hover,
  .checklist-item:hover {
    transform: none;
  }
}

/* roulang page: category1 */
:root {
            --bg-base: #0A0B0A;
            --bg-surface: #151713;
            --bg-elevated: #1C1E19;
            --text-primary: #F4F6F1;
            --text-secondary: #A6AEA2;
            --text-muted: #666D62;
            --accent: #C7F24A;
            --accent-hover: #D6FA6A;
            --accent-soft: rgba(199, 242, 74, 0.12);
            --border: rgba(255, 255, 255, 0.09);
            --success: #7BD88F;
            --warning: #F0BA4D;
            --error: #F26D6D;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 30px rgba(199, 242, 74, 0.07);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1240px;
            --header-h: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        ::selection {
            background: var(--accent);
            color: #000;
        }

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

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

        .section {
            padding: 96px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            letter-spacing: 0.05em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 600;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 48px;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            z-index: 1000;
            background: transparent;
            border-bottom: 1px solid transparent;
            transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(10, 11, 10, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom-color: var(--border);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-soft);
            border: 1px solid rgba(199, 242, 74, 0.4);
            border-radius: 50%;
            color: var(--accent);
        }

        .brand-text {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

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

        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 24px;
        }

        .nav-link {
            font-size: 0.875rem;
            color: var(--text-secondary);
            padding: 8px 4px;
            position: relative;
            transition: color var(--transition);
        }

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

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

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 4px;
            right: 4px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            cursor: pointer;
            position: relative;
            color: var(--text-primary);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            margin: 5px auto;
            transition: transform var(--transition), opacity var(--transition);
        }

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

        .nav-toggle.open span:nth-child(2) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.9375rem;
            font-weight: 500;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--accent);
            color: #0A0B0A;
            font-weight: 600;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 0 0 1px rgba(199, 242, 74, 0.5), 0 8px 24px rgba(199, 242, 74, 0.15);
        }

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

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-primary);
        }

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

        .btn-lg {
            height: 52px;
            padding: 0 40px;
            border-radius: 10px;
            font-size: 1rem;
        }

        /* Hero */
        .category-hero {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            padding: 160px 0 80px;
            background: linear-gradient(rgba(10, 11, 10, 0.3), rgba(10, 11, 10, 0.85)),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-bottom: 1px solid var(--border);
        }

        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at bottom left, rgba(199, 242, 74, 0.08), 0%, transparent 50%);
            pointer-events: none;
        }

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

        .breadcrumb {
            font-size: 0.8125rem;
            color: var(--text-muted);
            display: flex;
            gap: 8px;
            align-items: center;
            margin-bottom: 16px;
        }

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

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

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

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

        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3.25rem);
            font-weight: 700;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .category-hero .hero-sub {
            font-size: 1.125rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.7;
        }

        .hero-badges {
            display: flex;
            gap: 12px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8125rem;
            padding: 6px 14px;
            border-radius: 999px;
            background: var(--accent-soft);
            color: var(--accent);
            border: 1px solid rgba(199, 242, 74, 0.2);
        }

        .hero-badge span {
            color: var(--text-secondary);
        }

        /* Feature intro */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .intro-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            aspect-ratio: 4/3;
            background: var(--bg-elevated);
        }

        .intro-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .intro-content h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .intro-content p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: 0.9375rem;
            line-height: 1.85;
        }

        .intro-content p:last-child {
            margin-bottom: 0;
        }

        .intro-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }

        .stat-item {
            text-align: left;
            padding: 20px;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .stat-item:hover {
            border-color: rgba(199, 242, 74, 0.3);
            box-shadow: var(--shadow-hover);
        }

        .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 0.8125rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* Features list */
        .features-section {
            background: var(--bg-surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .feature-list {
            width: 100%;
        }

        .feature-row {
            display: flex;
            align-items: center;
            gap: 32px;
            padding: 28px 16px;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition), padding-left var(--transition);
        }

        .feature-row:last-child {
            border-bottom: none;
        }

        .feature-row:hover {
            background: var(--accent-soft);
            padding-left: 24px;
        }

        .feature-num {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            min-width: 72px;
            font-family: inherit;
        }

        .feature-body {
            flex: 1;
        }

        .feature-body h3 {
            font-size: 1.125rem;
            font-weight: 500;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .feature-body p {
            font-size: 0.9375rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .feature-arrow {
            color: var(--text-muted);
            font-size: 1.25rem;
            transition: color var(--transition), transform var(--transition);
        }

        .feature-row:hover .feature-arrow {
            color: var(--accent);
            transform: translateX(4px);
        }

        /* Cards for related entries */
        .related-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .related-card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            border-color: rgba(199, 242, 74, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .related-card .card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .related-card h3 {
            font-size: 1.125rem;
            font-weight: 500;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

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

        .related-card .card-link {
            font-size: 0.875rem;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 500;
        }

        .related-card .card-link:hover {
            gap: 8px;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-base);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 24px 4px;
            cursor: pointer;
            font-size: 1.0625rem;
            font-weight: 500;
            color: var(--text-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
        }

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

        .faq-icon {
            position: relative;
            width: 14px;
            height: 14px;
            flex-shrink: 0;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--text-secondary);
            transition: all 0.3s ease;
        }

        .faq-icon::before {
            width: 14px;
            height: 2px;
            top: 6px;
            left: 0;
            border-radius: 2px;
        }

        .faq-icon::after {
            width: 2px;
            height: 14px;
            top: 0;
            left: 6px;
            border-radius: 2px;
        }

        .faq-item.open .faq-icon::before {
            background: var(--accent);
        }

        .faq-item.open .faq-icon::after {
            transform: scaleY(0);
            background: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease, background 0.35s ease;
            padding: 0 20px;
            font-size: 0.9375rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-answer-inner {
            padding-bottom: 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            background: var(--accent-soft);
            padding: 4px 20px;
            border-radius: var(--radius-sm);
        }

        /* CTA */
        .cta-section {
            background: var(--bg-surface);
            border-top: 1px solid var(--border);
            position: relative;
            padding: 96px 0;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(199, 242, 74, 0.05), transparent 60%);
            pointer-events: none;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 600;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-inner p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 32px;
            line-height: 1.75;
        }

        .cta-note {
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-top: 16px;
        }

        /* Footer */
        .site-footer {
            background: #060706;
            border-top: 1px solid var(--border);
            padding: 64px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand .brand {
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

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

        .footer-col ul li {
            margin-bottom: 12px;
        }

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            border-top: 1px solid var(--border);
            padding-top: 24px;
            font-size: 0.8125rem;
            color: var(--text-muted);
        }

        .to-top {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-secondary);
            font-size: 0.8125rem;
            transition: color var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 1023px) {
            .intro-grid {
                gap: 40px;
                grid-template-columns: 1fr;
            }

            .intro-media {
                max-height: 360px;
            }

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

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

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }

            .section {
                padding: 64px 0;
            }

            .main-nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(10, 11, 10, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px 32px;
                gap: 16px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-120%);
                transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            }

            .main-nav ul {
                flex-direction: column;
                gap: 4px;
                width: 100%;
            }

            .main-nav ul li {
                width: 100%;
            }

            .nav-link {
                display: block;
                padding: 12px 8px;
                font-size: 1rem;
            }

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

            .nav-link.active {
                background: var(--accent-soft);
                border-radius: var(--radius-sm);
            }

            .nav-cta {
                width: 100%;
                margin-top: 8px;
            }

            .nav-toggle {
                display: block;
            }

            .main-nav.open {
                transform: translateY(0);
            }

            .category-hero {
                min-height: 60vh;
                padding-top: 120px;
                padding-bottom: 48px;
            }

            .category-hero h1 {
                font-size: 1.75rem;
            }

            .hero-badges {
                gap: 8px;
            }

            .hero-badge {
                font-size: 0.75rem;
                padding: 5px 10px;
            }

            .intro-stats {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .feature-row {
                gap: 16px;
                padding: 20px 12px;
            }

            .feature-num {
                font-size: 1.75rem;
                min-width: 48px;
            }

            .feature-body h3 {
                font-size: 1rem;
            }

            .feature-body p {
                font-size: 0.875rem;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-section {
                padding: 64px 0;
            }

            .btn-lg {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.5rem;
            }

            .hero-sub {
                font-size: 0.9375rem;
            }

            .brand-text {
                font-size: 1rem;
            }
        }

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

/* roulang page: article */
:root{
    --bg-base:#0A0B0A;
    --bg-surface:#151713;
    --bg-elevated:#1C1E19;
    --text-primary:#F4F6F1;
    --text-secondary:#A6AEA2;
    --text-muted:#666D62;
    --accent:#C7F24A;
    --accent-hover:#D6FA6A;
    --accent-soft:rgba(199,242,74,0.12);
    --border:rgba(255,255,255,0.09);
    --success:#7BD88F;
    --warning:#F0BA4D;
    --error:#F26D6D;
    --radius:12px;
    --radius-sm:8px;
    --shadow:0 1px 2px rgba(0,0,0,0.4);
    --shadow-hover:0 8px 30px rgba(199,242,74,0.07);
    --transition:0.25s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
    font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    background:var(--bg-base);
    color:var(--text-primary);
    font-size:1rem;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
img{max-width:100%;display:block;border:0}
button,input{font-family:inherit;border:0;background:none;color:inherit}
ul,ol{list-style:none}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.site-header{
    position:fixed;top:0;left:0;right:0;z-index:1000;height:72px;
    background:rgba(10,11,10,0.7);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:background var(--transition),border-color var(--transition),box-shadow var(--transition);
}
.site-header.scrolled{
    background:rgba(10,11,10,0.92);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom-color:var(--border);
    box-shadow:0 6px 30px rgba(0,0,0,0.35);
}
.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text-primary);font-weight:600;font-size:1.125rem;letter-spacing:-0.01em;flex-shrink:0}
.brand-mark{
    width:32px;height:32px;border-radius:9px;display:flex;align-items:center;justify-content:center;
    background:var(--accent);color:#0A0B0A;box-shadow:0 0 18px rgba(199,242,74,0.25);
}
.brand-mark svg{display:block}
.brand-text{white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px}
.main-nav ul{display:flex;align-items:center;gap:6px;list-style:none}
.nav-link{
    display:inline-block;padding:8px 14px;font-size:0.9375rem;color:var(--text-secondary);
    border-radius:8px;transition:color var(--transition),background var(--transition);
    position:relative;
}
.nav-link:hover{color:var(--text-primary);background:var(--accent-soft)}
.nav-link.active{color:var(--text-primary);font-weight:500}
.nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--accent);
    border-radius:2px;
}
.nav-cta{margin-left:8px;white-space:nowrap}
.nav-toggle{display:none;width:42px;height:42px;border-radius:8px;align-items:center;justify-content:center;cursor:pointer;background:var(--bg-surface);border:1px solid var(--border);flex-direction:column;gap:5px;transition:background var(--transition)}
.nav-toggle:hover{background:var(--bg-elevated)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-primary);border-radius:2px;transition:transform var(--transition),opacity var(--transition)}
.nav-toggle.open span:first-child{transform:translateY(4px) rotate(45deg)}
.nav-toggle.open span:last-child{transform:translateY(-4px) rotate(-45deg)}
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 22px;
    border-radius:var(--radius-sm);font-size:0.9375rem;font-weight:500;cursor:pointer;
    transition:all var(--transition);white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#0A0B0A}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(199,242,74,0.5),0 8px 24px rgba(199,242,74,0.15)}
.btn-outline{background:transparent;color:var(--text-primary);border:1px solid rgba(255,255,255,0.2)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-lg{height:52px;padding:0 40px;font-size:1rem;border-radius:10px}
main{display:block}
.article-hero{
    position:relative;padding:148px 0 56px;margin-top:72px;
    background:linear-gradient(180deg,rgba(10,11,10,0.65) 0%,rgba(10,11,10,0.92) 100%),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    border-bottom:1px solid var(--border);
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:0.8125rem;color:var(--text-muted);margin-bottom:24px}
.breadcrumb a{color:var(--text-muted);transition:color var(--transition)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--text-muted);opacity:0.5}
.breadcrumb .current{color:var(--text-secondary);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
    font-size:clamp(1.75rem,3.6vw,2.75rem);font-weight:700;line-height:1.25;letter-spacing:-0.02em;
    color:var(--text-primary);max-width:880px;margin-bottom:20px;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px;font-size:0.875rem;color:var(--text-muted)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item svg{width:15px;height:15px;opacity:0.7}
.meta-cat{color:var(--accent)}
.article-section{padding:64px 0 32px;background:var(--bg-base)}
.article-container{max-width:760px;margin:0 auto}
.article-body{font-size:1.0625rem;line-height:1.85;color:var(--text-secondary)}
.article-body p{margin-bottom:1.5em}
.article-body h2{font-size:1.55rem;font-weight:600;color:var(--text-primary);line-height:1.35;margin:2em 0 0.8em;letter-spacing:-0.01em}
.article-body h3{font-size:1.25rem;font-weight:600;color:var(--text-primary);line-height:1.4;margin:1.8em 0 0.6em}
.article-body h4{font-size:1.0625rem;font-weight:600;color:var(--text-primary);margin:1.5em 0 0.5em}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;transition:color var(--transition)}
.article-body a:hover{color:var(--accent-hover)}
.article-body strong{color:var(--text-primary);font-weight:600}
.article-body em{color:var(--text-primary)}
.article-body ul{margin:0 0 1.5em;padding-left:1.4em;list-style:disc}
.article-body ol{margin:0 0 1.5em;padding-left:1.6em;list-style:decimal}
.article-body li{margin-bottom:0.55em;padding-left:0.25em}
.article-body li::marker{color:var(--accent)}
.article-body img{display:block;max-width:100%;height:auto;border-radius:var(--radius);margin:2em auto;border:1px solid var(--border);background:var(--bg-elevated)}
.article-body blockquote{
    margin:1.8em 0;padding:1.1em 1.4em;background:var(--bg-surface);
    border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;
    color:var(--text-secondary);font-size:0.96875rem;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body figure{margin:2em 0}
.article-body figcaption{text-align:center;font-size:0.8125rem;color:var(--text-muted);margin-top:10px}
.article-body hr{border:0;height:1px;background:var(--border);margin:2.4em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:0.9375rem}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg-surface);color:var(--text-primary);font-weight:600}
.article-body td{color:var(--text-secondary)}
.article-body pre{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:1.2em 1.4em;overflow-x:auto;font-size:0.875rem;margin:1.8em 0;line-height:1.7;color:var(--text-secondary)}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--bg-elevated);padding:0.15em 0.4em;border-radius:4px;font-size:0.875em}
.article-body pre code{background:none;padding:0;font-size:0.875rem}
.article-empty{text-align:center;padding:80px 20px}
.empty-icon{display:flex;width:64px;height:64px;margin:0 auto 24px;border-radius:50%;background:var(--bg-surface);border:1px solid var(--border);align-items:center;justify-content:center;color:var(--text-muted)}
.empty-icon svg{width:26px;height:26px}
.article-empty h2{font-size:1.5rem;color:var(--text-primary);margin-bottom:10px}
.article-empty p{color:var(--text-muted);margin-bottom:28px}
.article-tools{padding:0 0 56px;background:var(--bg-base)}
.tools-bar{
    max-width:760px;margin:0 auto;display:flex;align-items:center;flex-wrap:wrap;gap:14px;
    padding:24px 0;border-top:1px solid var(--border);
}
.tag-label{font-size:0.8125rem;color:var(--text-muted);letter-spacing:0.05em}
.tag{
    display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
    background:var(--accent-soft);color:var(--accent);font-size:0.8125rem;font-weight:500;
    transition:background var(--transition),color var(--transition);
}
.tag:hover{background:var(--accent);color:#0A0B0A}
.tools-actions{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap}
.related-section{padding:72px 0 96px;background:var(--bg-base);border-top:1px solid var(--border)}
.section-head{margin-bottom:40px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.125rem);font-weight:600;letter-spacing:-0.02em;color:var(--text-primary)}
.section-head p{color:var(--text-muted);margin-top:8px;font-size:0.9375rem}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
    display:flex;flex-direction:column;background:var(--bg-surface);border:1px solid var(--border);
    border-radius:var(--radius);overflow:hidden;transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition);
}
.card:hover{transform:translateY(-4px);border-color:rgba(199,242,74,0.4);box-shadow:var(--shadow-hover)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-elevated)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition)}
.card:hover .card-cover img{transform:scale(1.03)}
.card-cover .badge{
    position:absolute;top:14px;left:14px;height:26px;padding:0 12px;display:inline-flex;align-items:center;
    background:rgba(199,242,74,0.92);color:#0A0B0A;font-size:0.75rem;font-weight:600;border-radius:999px;letter-spacing:0.03em;
}
.card-body{display:flex;flex-direction:column;flex:1;padding:22px 24px 24px}
.card-body h3{font-size:1.125rem;font-weight:600;color:var(--text-primary);line-height:1.4;margin-bottom:8px}
.card-body p{font-size:0.9375rem;color:var(--text-secondary);line-height:1.7;margin-bottom:16px;flex:1}
.card-link{display:inline-flex;align-items:center;gap:6px;font-size:0.875rem;font-weight:500;color:var(--accent);transition:transform var(--transition)}
.card-link svg{width:14px;height:14px;transition:transform var(--transition)}
.card:hover .card-link{transform:translateX(2px)}
.cta-section{
    padding:88px 0;background:radial-gradient(ellipse at 50% 120%,rgba(199,242,74,0.07),transparent 65%),var(--bg-surface);
    border-top:1px solid var(--border);text-align:center;
}
.cta-section h2{font-size:clamp(1.6rem,3vw,2.375rem);font-weight:600;letter-spacing:-0.02em;color:var(--text-primary);margin-bottom:12px}
.cta-section>div>p{color:var(--text-secondary);font-size:1rem;margin-bottom:32px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.site-footer{
    background:#060706;border-top:1px solid var(--border);padding:72px 0 32px;color:var(--text-secondary);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;margin-bottom:56px}
.footer-brand .brand{margin-bottom:16px}
.footer-desc{font-size:0.9375rem;color:var(--text-secondary);line-height:1.8;max-width:320px}
.footer-col h4{font-size:0.9375rem;font-weight:600;color:var(--text-primary);margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:0.875rem;color:var(--text-secondary);transition:color var(--transition)}
.footer-col ul a:hover{color:var(--accent)}
.footer-bottom{
    border-top:1px solid var(--border);padding-top:24px;display:flex;align-items:center;justify-content:space-between;
    gap:16px;flex-wrap:wrap;font-size:0.8125rem;color:var(--text-muted);
}
.to-top{display:inline-flex;align-items:center;gap:6px;color:var(--text-muted);font-size:0.8125rem;transition:color var(--transition)}
.to-top:hover{color:var(--accent)}
.to-top svg{width:14px;height:14px}
@media(max-width:1023px){
    .nav-toggle{display:flex}
    .main-nav{
        position:fixed;top:72px;right:16px;left:16px;z-index:999;
        background:rgba(10,11,10,0.97);border:1px solid var(--border);border-radius:16px;
        padding:20px;flex-direction:column;align-items:stretch;gap:0;
        opacity:0;visibility:hidden;transform:translateY(-10px);
        transition:opacity var(--transition),visibility var(--transition),transform var(--transition);
        box-shadow:0 20px 48px rgba(0,0,0,0.5);
    }
    .main-nav.open{opacity:1;visibility:visible;transform:translateY(0)}
    .main-nav ul{flex-direction:column;align-items:stretch;gap:2px;margin-bottom:16px}
    .nav-link{display:block;padding:12px 14px;font-size:1rem}
    .nav-link.active::after{left:14px;right:14px;bottom:6px}
    .nav-cta{justify-content:center;height:44px}
    .related-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:767px){
    .container{padding:0 16px}
    .article-hero{padding:120px 0 40px}
    .article-title{font-size:1.5rem}
    .article-section{padding:48px 0 24px}
    .article-body{font-size:0.96875rem}
    .related-section{padding:56px 0 72px}
    .related-grid{grid-template-columns:1fr}
    .tools-actions{margin-left:0;width:100%;flex-direction:column}
    .tools-actions .btn{width:100%}
    .cta-section{padding:64px 0}
    .cta-buttons{flex-direction:column;align-items:center}
    .cta-buttons .btn{width:100%;max-width:320px}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .footer-bottom{flex-direction:column;justify-content:center;text-align:center}
}
@media(prefers-reduced-motion:reduce){
    *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root {
  --bg-base: #0A0B0A;
  --bg-surface: #151713;
  --bg-elevated: #1C1E19;
  --text-primary: #F4F6F1;
  --text-secondary: #A6AEA2;
  --text-muted: #666D62;
  --accent: #C7F24A;
  --accent-hover: #D6FA6A;
  --accent-soft: rgba(199, 242, 74, 0.12);
  --border: rgba(255, 255, 255, 0.09);
  --success: #7BD88F;
  --warning: #F0BA4D;
  --error: #F26D6D;
  --radius-lg: 16px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 30px rgba(199, 242, 74, 0.07);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

body.no-scroll {
  overflow: hidden;
}

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

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

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

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

::selection {
  background: var(--accent);
  color: #0A0B0A;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #0A0B0A;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(199, 242, 74, 0.5), 0 8px 30px rgba(199, 242, 74, 0.15);
  color: #0A0B0A;
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  background: transparent;
}

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

.btn-large {
  height: 52px;
  padding: 0 40px;
  border-radius: 10px;
  font-size: 1rem;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 11, 10, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(199, 242, 74, 0.3);
}

.brand-text {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

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

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.main-nav ul li a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 4px;
  position: relative;
  transition: color var(--transition);
}

.main-nav ul li a:hover {
  color: var(--text-primary);
}

.main-nav ul li a.active {
  color: var(--text-primary);
}

.main-nav ul li a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-cta {
  height: 40px;
  padding: 0 20px;
  font-size: 0.875rem;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  z-index: 1100;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(4.5px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  transform: translateY(-4.5px) rotate(-45deg);
}

/* ---------- Page Hero ---------- */
.page-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  background: linear-gradient(180deg, rgba(10, 11, 10, 0.35) 0%, rgba(10, 11, 10, 0.85) 70%, var(--bg-base) 100%), url('/assets/images/backpic/back-1.png') center 30% / cover no-repeat;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 20%, rgba(199, 242, 74, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

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

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

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

.page-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  max-width: 820px;
  margin-bottom: 20px;
}

.page-hero .hero-desc {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 32px;
}

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

/* ---------- Stats Bar ---------- */
.stats-bar {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 16px 8px;
}

.stat-item .stat-num {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.stat-item .stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ---------- Intro Block ---------- */
.intro-block {
  padding: 96px 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.intro-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--bg-elevated);
}

.intro-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 320px;
  transition: transform 0.5s ease;
}

.intro-media:hover img {
  transform: scale(1.02);
}

.intro-content h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.intro-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.85;
  margin-bottom: 18px;
}

.intro-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: all var(--transition);
}

.tag:hover {
  color: var(--accent);
  border-color: rgba(199, 242, 74, 0.4);
  background: var(--accent-soft);
}

/* ---------- Guide Lines ---------- */
.guide-lines {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 96px 0;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-head .section-overline {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.375rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.75;
}

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

.step-card {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: all var(--transition);
  position: relative;
}

.step-card:hover {
  border-color: rgba(199, 242, 74, 0.4);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.step-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 18px;
  opacity: 0.8;
}

.step-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- Pick List ---------- */
.pick-list-section {
  padding: 96px 0;
}

.pick-list {
  list-style: none;
  border-top: 1px solid var(--border);
}

.pick-list li {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 24px 8px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), padding-left var(--transition);
}

.pick-list li:hover {
  background: var(--accent-soft);
  padding-left: 16px;
}

.pick-num {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  min-width: 64px;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.pick-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.pick-content p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 720px;
}

.pick-arrow {
  margin-left: auto;
  flex-shrink: 0;
  align-self: center;
  color: var(--text-muted);
  font-size: 1.25rem;
  transition: all var(--transition);
}

.pick-list li:hover .pick-arrow {
  color: var(--accent);
  transform: translateX(4px);
}

/* ---------- Related Cards ---------- */
.related-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 96px 0;
}

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

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

.related-card:hover {
  border-color: rgba(199, 242, 74, 0.4);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.related-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-elevated);
}

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

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

.related-media .badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--accent);
  color: #0A0B0A;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.related-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.related-body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.related-body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 18px;
}

.related-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition);
}

.related-link:hover {
  color: var(--accent);
  gap: 10px;
}

.related-link .arrow {
  transition: transform var(--transition);
}

.related-link:hover .arrow {
  transform: translateX(3px);
}

/* ---------- FAQ ---------- */
.faq-section {
  padding: 96px 0;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 8px;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  background: transparent;
  cursor: pointer;
  transition: color var(--transition);
}

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

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

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: all var(--transition);
}

.faq-icon::before {
  transform: rotate(90deg);
}

.faq-item.open .faq-icon::before {
  transform: rotate(0deg);
}

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

.faq-answer-inner {
  padding: 0 24px 24px 8px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.faq-answer-inner p {
  background: var(--accent-soft);
  padding: 18px 20px;
  border-radius: var(--radius);
  border-left: 2px solid var(--accent);
}

/* ---------- CTA ---------- */
.cta-section {
  padding: 96px 0;
  background: var(--bg-surface);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(199, 242, 74, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}

.cta-inner h2 {
  font-size: clamp(1.875rem, 3.5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta-inner p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.75;
  margin-bottom: 36px;
}

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

.cta-note {
  margin-top: 18px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ---------- Footer ---------- */
.site-footer {
  background: #060706;
  border-top: 1px solid var(--border);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand .brand {
  margin-bottom: 18px;
}

.footer-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 280px;
  margin-top: 16px;
}

.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 18px;
}

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

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

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

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

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

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

/* ---------- Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .main-nav {
    gap: 20px;
  }

  .main-nav ul {
    gap: 20px;
  }

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

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

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(10, 11, 10, 0.98);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1050;
  }

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

  .main-nav ul {
    flex-direction: column;
    gap: 24px;
  }

  .main-nav ul li a {
    font-size: 1.125rem;
  }

  .main-nav ul li a.active::after {
    display: none;
  }

  .main-nav ul li a.active {
    color: var(--accent);
    background: var(--accent-soft);
    padding: 8px 20px;
    border-radius: 999px;
  }

  .nav-cta {
    margin-top: 8px;
  }

  .page-hero {
    min-height: 480px;
    padding: 120px 0 64px;
  }

  .page-hero h1 {
    font-size: clamp(2rem, 10vw, 2.75rem);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

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

  .intro-media img {
    min-height: 240px;
  }

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

  .pick-list li {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
    padding: 20px 4px;
  }

  .pick-num {
    font-size: 2rem;
    min-width: 48px;
  }

  .pick-content {
    flex: 1;
    min-width: 200px;
  }

  .pick-arrow {
    display: none;
  }

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

  .faq-question {
    font-size: 1rem;
    padding: 20px 4px;
  }

  .faq-answer-inner {
    padding: 0 16px 20px 4px;
  }

  .cta-section {
    padding: 64px 0;
  }

  .btn-large,
  .hero-actions .btn {
    width: 100%;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .intro-block,
  .guide-lines,
  .pick-list-section,
  .faq-section,
  .related-section {
    padding: 64px 0;
  }
}

@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-item {
    padding: 8px 4px;
  }

  .page-hero {
    min-height: 440px;
  }

  .footer-grid {
    gap: 32px;
  }
}

/* roulang page: category3 */
/* ===== 基础 ===== */
    :root {
      --bg-base: #0A0B0A;
      --bg-surface: #151713;
      --bg-elevated: #1C1E19;
      --text-primary: #F4F6F1;
      --text-secondary: #A6AEA2;
      --text-muted: #666D62;
      --accent: #C7F24A;
      --accent-hover: #D6FA6A;
      --accent-soft: rgba(199, 242, 74, 0.12);
      --border: rgba(255, 255, 255, 0.09);
      --success: #7BD88F;
      --warning: #F0BA4D;
      --error: #F26D6D;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4);
      --shadow-hover: 0 8px 30px rgba(199, 242, 74, 0.07);
      --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      --container: 1240px;
      --font-stack: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-stack);
      background-color: var(--bg-base);
      color: var(--text-primary);
      line-height: 1.75;
      font-size: 1rem;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

    ul,
    ol {
      list-style: none;
    }

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

    ::selection {
      background: var(--accent);
      color: #000;
    }

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

    @media (max-width: 767px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 0.9375rem;
      font-weight: 500;
      height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-sm);
      transition: all var(--transition);
      white-space: nowrap;
      border: 1px solid transparent;
    }

    .btn-primary {
      background: var(--accent);
      color: #151713;
      font-weight: 600;
    }

    .btn-primary:hover {
      background: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 0 0 1px rgba(199, 242, 74, 0.5);
    }

    .btn-outline {
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: transparent;
      color: var(--text-primary);
    }

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

    .btn-lg {
      height: 52px;
      padding: 0 40px;
      border-radius: 10px;
      font-size: 1rem;
    }

    /* ===== Header ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      height: 72px;
      background: rgba(10, 11, 10, 0.75);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid transparent;
      transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
    }

    .site-header.scrolled {
      background: rgba(10, 11, 10, 0.92);
      border-bottom-color: var(--border);
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--text-primary);
      letter-spacing: 0.01em;
      flex-shrink: 0;
    }

    .brand-mark {
      width: 32px;
      height: 32px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--accent);
      color: #0A0B0A;
      border-radius: 9px;
      transition: background var(--transition), color var(--transition);
    }

    .brand:hover .brand-mark {
      background: var(--text-primary);
      color: #0A0B0A;
    }

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

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

    .nav-link {
      font-size: 0.9375rem;
      color: var(--text-secondary);
      position: relative;
      padding: 4px 2px;
      font-weight: 400;
      transition: color var(--transition);
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -4px;
      width: 0;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
      transition: width var(--transition);
    }

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

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

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

    .nav-cta {
      height: 40px;
      padding: 0 20px;
      font-size: 0.875rem;
    }

    .nav-toggle {
      display: none;
      width: 40px;
      height: 40px;
      position: relative;
      z-index: 110;
    }

    .nav-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-primary);
      border-radius: 2px;
      margin: 5px auto;
      transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    .nav-toggle.open span:nth-child(2) {
      transform: translateY(-7px) rotate(-45deg);
    }

    @media (max-width: 900px) {
      .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(80vw, 360px);
        height: 100vh;
        background: var(--bg-surface);
        border-left: 1px solid var(--border);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 28px;
        padding: 60px 30px 40px;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      }

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

      .main-nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
      }

      .nav-link {
        font-size: 1.0625rem;
      }

      .nav-toggle {
        display: block;
      }

      .nav-cta {
        margin-top: 12px;
        width: 100%;
      }
    }

    /* ===== Hero ===== */
    .page-hero {
      position: relative;
      min-height: 500px;
      padding: 140px 0 80px;
      display: flex;
      align-items: center;
      background: linear-gradient(180deg, rgba(10, 11, 10, 0.7) 0%, rgba(10, 11, 10, 0.4) 50%, var(--bg-base) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      overflow: hidden;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 70% 20%, rgba(199, 242, 74, 0.06) 0%, transparent 60%);
      pointer-events: none;
    }

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

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.8125rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

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

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

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

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

    .page-hero h1 {
      font-size: clamp(2.25rem, 4vw, 3.5rem);
      font-weight: 700;
      line-height: 1.15;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
      max-width: 720px;
    }

    .page-hero .hero-lead {
      font-size: 1.125rem;
      color: var(--text-secondary);
      max-width: 600px;
      line-height: 1.7;
      margin-bottom: 32px;
    }

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

    /* ===== 板块通用 ===== */
    .section {
      padding: 96px 0;
    }

    @media (max-width: 767px) {
      .section {
        padding: 64px 0;
      }
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 48px;
      flex-wrap: wrap;
    }

    .section-head h2 {
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 600;
      line-height: 1.25;
      letter-spacing: -0.01em;
    }

    .section-head .sub {
      color: var(--text-secondary);
      margin-top: 8px;
      font-size: 0.9375rem;
      max-width: 480px;
    }

    .section-link {
      font-size: 0.875rem;
      color: var(--text-secondary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: color var(--transition);
    }

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

    /* ===== 滤镜 / 分类标签 ===== */
    .filter-bar {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    .filter-tag {
      display: inline-flex;
      align-items: center;
      height: 36px;
      padding: 0 16px;
      border-radius: 999px;
      background: var(--bg-surface);
      border: 1px solid var(--border);
      color: var(--text-secondary);
      font-size: 0.8125rem;
      transition: all var(--transition);
      cursor: pointer;
    }

    .filter-tag:hover {
      color: var(--text-primary);
      border-color: rgba(199, 242, 74, 0.4);
    }

    .filter-tag.active {
      background: var(--accent-soft);
      color: var(--accent);
      border-color: rgba(199, 242, 74, 0.4);
    }

    /* ===== 口碑卡片 ===== */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    @media (max-width: 1023px) and (min-width: 768px) {
      .review-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 767px) {
      .review-grid {
        grid-template-columns: 1fr;
      }
    }

    .review-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: all var(--transition);
      position: relative;
      overflow: hidden;
    }

    .review-card::before {
      content: "\201C";
      position: absolute;
      top: 8px;
      right: 16px;
      font-size: 5rem;
      font-family: Georgia, serif;
      color: var(--accent);
      opacity: 0.25;
      line-height: 1;
      pointer-events: none;
    }

    .review-card:hover {
      border-color: rgba(199, 242, 74, 0.4);
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }

    .review-card .game-tag {
      display: inline-block;
      font-size: 0.75rem;
      padding: 3px 12px;
      border-radius: 999px;
      background: var(--accent-soft);
      color: var(--accent);
      margin-bottom: 16px;
    }

    .review-card .review-text {
      color: var(--text-secondary);
      font-size: 0.9375rem;
      line-height: 1.8;
      margin-bottom: 20px;
      display: -webkit-box;
      -webkit-line-clamp: 4;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .review-card .review-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 16px;
      border-top: 1px solid var(--border);
    }

    .review-avatar {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--bg-elevated);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8125rem;
      color: var(--accent);
      flex-shrink: 0;
    }

    .review-meta .name {
      font-size: 0.875rem;
      color: var(--text-primary);
    }

    .review-meta .date {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-left: auto;
    }

    /* ===== 评分面板 ===== */
    .rating-panel {
      display: grid;
      grid-template-columns: 320px 1fr;
      gap: 48px;
      align-items: center;
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 48px;
      margin-bottom: 48px;
    }

    @media (max-width: 1023px) {
      .rating-panel {
        grid-template-columns: 1fr;
        padding: 32px;
        gap: 32px;
      }
    }

    .rating-overview {
      text-align: center;
      padding: 24px;
      background: var(--bg-elevated);
      border-radius: var(--radius-md);
    }

    .rating-overview .score-num {
      font-size: 4rem;
      font-weight: 700;
      color: var(--accent);
      line-height: 1;
      margin-bottom: 8px;
    }

    .rating-stars {
      display: flex;
      justify-content: center;
      gap: 4px;
      margin-bottom: 8px;
    }

    .rating-stars svg {
      width: 22px;
      height: 22px;
      fill: var(--warning);
      color: var(--warning);
    }

    .rating-overview .score-label {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    .rating-breakdown {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .breakdown-row {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .breakdown-row .label {
      width: 64px;
      font-size: 0.8125rem;
      color: var(--text-secondary);
      flex-shrink: 0;
    }

    .breakdown-bar {
      flex: 1;
      height: 6px;
      background: var(--bg-elevated);
      border-radius: 999px;
      overflow: hidden;
    }

    .breakdown-bar .fill {
      height: 100%;
      background: var(--accent);
      border-radius: 999px;
      transition: width 0.8s ease;
    }

    .breakdown-row .val {
      font-size: 0.8125rem;
      color: var(--text-muted);
      width: 36px;
      text-align: right;
    }

    /* ===== 口碑榜单 ===== */
    .ranking-wrap {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .rank-item {
      display: flex;
      align-items: center;
      gap: 24px;
      padding: 20px 24px;
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      transition: all var(--transition);
    }

    .rank-item:hover {
      border-color: rgba(199, 242, 74, 0.4);
      box-shadow: var(--shadow-hover);
      transform: translateX(4px);
    }

    .rank-num {
      font-size: 1.875rem;
      font-weight: 700;
      color: var(--accent);
      width: 48px;
      flex-shrink: 0;
      text-align: center;
    }

    .rank-cover {
      width: 88px;
      height: 88px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      flex-shrink: 0;
      background: var(--bg-elevated);
    }

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

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

    .rank-info h3 {
      font-size: 1.0625rem;
      font-weight: 500;
      margin-bottom: 4px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .rank-info .rank-meta {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    .rank-score {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--accent);
      flex-shrink: 0;
    }

    @media (max-width: 767px) {
      .rank-item {
        gap: 12px;
        padding: 16px;
        flex-wrap: wrap;
      }

      .rank-cover {
        width: 64px;
        height: 64px;
      }

      .rank-score {
        margin-left: auto;
        font-size: 1rem;
      }
    }

    /* ===== 种草清单 ===== */
    .pick-list {
      display: flex;
      flex-direction: column;
    }

    .pick-item {
      display: flex;
      align-items: center;
      gap: 28px;
      padding: 24px 0;
      border-bottom: 1px solid var(--border);
      transition: all var(--transition);
      position: relative;
    }

    .pick-item:first-child {
      border-top: 1px solid var(--border);
    }

    .pick-item:hover {
      background: var(--accent-soft);
      padding-left: 8px;
    }

    .pick-num {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--accent);
      width: 64px;
      flex-shrink: 0;
      line-height: 1;
    }

    .pick-body {
      flex: 1;
      min-width: 0;
    }

    .pick-title {
      font-size: 1.125rem;
      font-weight: 500;
      color: var(--text-primary);
      margin-bottom: 4px;
    }

    .pick-desc {
      font-size: 0.9375rem;
      color: var(--text-secondary);
    }

    .pick-arrow {
      color: var(--text-muted);
      flex-shrink: 0;
      transition: all var(--transition);
    }

    .pick-item:hover .pick-arrow {
      color: var(--accent);
      transform: translateX(4px);
    }

    @media (max-width: 767px) {
      .pick-item {
        padding: 20px 0;
        gap: 16px;
        flex-wrap: wrap;
      }
      .pick-num {
        width: 48px;
        font-size: 1.875rem;
      }
      .pick-arrow {
        display: none;
      }
    }

    /* ===== 入口卡片 ===== */
    .portal-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    @media (max-width: 1023px) and (min-width: 768px) {
      .portal-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 767px) {
      .portal-grid {
        grid-template-columns: 1fr;
      }
    }

    .portal-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: all var(--transition);
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .portal-card:hover {
      border-color: rgba(199, 242, 74, 0.4);
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }

    .portal-card .icon-wrap {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: var(--accent-soft);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 4px;
    }

    .portal-card h3 {
      font-size: 1.125rem;
      font-weight: 500;
    }

    .portal-card p {
      font-size: 0.875rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    .portal-card .link-more {
      margin-top: auto;
      font-size: 0.8125rem;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
    }

    .faq-item {
      border-bottom: 1px solid var(--border);
      transition: background-color var(--transition);
    }

    .faq-item:first-child {
      border-top: 1px solid var(--border);
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      padding: 24px 8px;
      font-size: 1.0625rem;
      color: var(--text-primary);
      text-align: left;
      transition: color var(--transition);
    }

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

    .faq-question .arrow {
      width: 16px;
      height: 16px;
      flex-shrink: 0;
      position: relative;
      transition: transform var(--transition);
    }

    .faq-question .arrow::before,
    .faq-question .arrow::after {
      content: "";
      position: absolute;
      background: var(--accent);
      border-radius: 2px;
      transition: all var(--transition);
    }

    .faq-question .arrow::before {
      width: 2px;
      height: 14px;
      top: 1px;
      left: 7px;
    }

    .faq-question .arrow::after {
      width: 14px;
      height: 2px;
      top: 7px;
      left: 1px;
    }

    .faq-item.open .faq-question .arrow {
      transform: rotate(135deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding var(--transition);
      padding: 0 8px;
      font-size: 0.9375rem;
      color: var(--text-secondary);
      line-height: 1.8;
    }

    .faq-item.open .faq-answer {
      max-height: 400px;
      padding-bottom: 24px;
    }

    .faq-item.open {
      background: var(--accent-soft);
    }

    /* ===== CTA ===== */
    .cta-section {
      background: var(--bg-surface);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 80%;
      height: 100%;
      background: radial-gradient(ellipse at center, rgba(199, 242, 74, 0.04) 0%, transparent 70%);
      pointer-events: none;
    }

    .cta-inner {
      position: relative;
      text-align: center;
      padding: 80px 24px;
    }

    .cta-inner h2 {
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 600;
      margin-bottom: 16px;
    }

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

    .cta-inner .cta-note {
      font-size: 0.8125rem;
      color: var(--text-muted);
      margin-top: 16px;
      margin-bottom: 0;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #060706;
      padding: 80px 0 0;
    }

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

    @media (max-width: 1023px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 767px) {
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }

    .footer-brand .brand {
      margin-bottom: 16px;
    }

    .footer-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      max-width: 260px;
      line-height: 1.7;
    }

    .footer-col h4 {
      font-size: 0.9375rem;
      font-weight: 500;
      margin-bottom: 16px;
      color: var(--text-primary);
    }

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

    .footer-col {
      display: flex;
      flex-direction: column;
      list-style: none;
    }

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

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

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

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 24px 0 32px;
      font-size: 0.8125rem;
      color: var(--text-muted);
      flex-wrap: wrap;
    }

    .to-top {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.8125rem;
      color: var(--text-muted);
      transition: color var(--transition);
    }

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

    /* ===== 视口进入动画 ===== */
    .reveal {
      opacity: 0;
      transform: translateY(12px);
      transition: opacity 0.7s ease-out, transform 0.7s ease-out;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    @media (prefers-reduced-motion: reduce) {
      .reveal {
        opacity: 1;
        transform: none;
        transition: none;
      }
    }

    body.no-scroll {
      overflow: hidden;
    }