/* roulang page: index */
:root {
  --color-primary: #C8F04B;
  --color-primary-hover: #D7F76A;
  --color-accent: #FF5C38;
  --color-accent-hover: #E84828;
  --color-bg: #0D1117;
  --color-bg-alt: #141A22;
  --color-card: #1A212B;
  --color-panel: #212A36;
  --color-text: #E8EDF2;
  --color-text-secondary: #A0ABB8;
  --color-text-muted: #6B7684;
  --color-border: rgba(255,255,255,0.08);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --radius-pill: 100px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.5);
  --shadow-nav: 0 4px 20px rgba(0,0,0,0.5);
  --transition-base: 0.2s ease;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  font-size: 15px;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-base); }
a:hover { color: var(--color-primary-hover); }
img { max-width: 100%; height: auto; }
button, input, select, textarea { font-family: inherit; }
:focus-visible {
  outline: 2px solid rgba(200,240,75,0.5);
  outline-offset: 2px;
}
.container { max-width: 1200px; }
.container-wide { max-width: 1280px; margin: 0 auto; padding-left: 1.5rem; padding-right: 1.5rem; }

/* ===== NAV ===== */
.capsule-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1050;
  width: calc(100% - 24px);
  max-width: 1000px;
  background: rgba(13,17,23,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-nav);
  padding: 8px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.5px;
  line-height: 1.2;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo i { color: var(--color-primary); font-size: 18px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-base);
}
.nav-links a:hover { color: #FFFFFF; background: rgba(255,255,255,0.06); }
.nav-links a.active {
  color: var(--color-primary);
  background: rgba(200,240,75,0.08);
}
.nav-links a.active::after {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  margin: 4px auto 0;
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-pill);
  color: #FFFFFF;
  width: 44px;
  height: 40px;
  font-size: 16px;
  cursor: pointer;
  transition: all var(--transition-base);
  align-items: center;
  justify-content: center;
}
.nav-toggle:hover { border-color: var(--color-primary); color: var(--color-primary); }
@media (max-width: 767px) {
  .capsule-nav { top: 10px; padding: 6px 14px; width: calc(100% - 20px); }
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(13,17,23,0.95);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 12px;
    display: none;
    gap: 2px;
  }
  .nav-links.show { display: flex; }
  .nav-links a { display: block; width: 100%; padding: 12px 16px; }
}
@media (max-width: 575px) {
  .nav-logo { font-size: 17px; }
  .nav-logo i { font-size: 15px; }
  .nav-links a { font-size: 15px; }
}

body { padding-top: 86px; }
@media (max-width: 767px) { body { padding-top: 70px; } }

main { overflow: hidden; }

/* ===== HERO ===== */
.hero-section {
  position: relative;
  padding: 48px 0 72px;
  background-color: var(--color-bg);
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center 30%;
  background-blend-mode: overlay;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(13,17,23,0.88);
  z-index: 0;
}
.hero-section .container-wide { position: relative; z-index: 1; }
.hero-row {
  display: flex;
  align-items: center;
  gap: 60px;
}
.hero-content { flex: 0 0 55%; max-width: 55%; }
.hero-visual { flex: 0 0 45%; max-width: 45%; position: relative; }
.hero-visual .frame-decor {
  position: absolute;
  top: -12px;
  left: -12px;
  width: calc(100% - 20px);
  height: calc(100% - 20px);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  z-index: 0;
  pointer-events: none;
}
.hero-visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
}
.hero-content .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200,240,75,0.1);
  border: 1px solid rgba(200,240,75,0.25);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}
.hero-content h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.25;
  color: #FFFFFF;
  margin: 0 0 20px;
  max-width: 520px;
  letter-spacing: 1px;
}
.hero-content .subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 460px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1.5;
}
.btn-primary-custom {
  background: var(--color-primary);
  color: var(--color-bg);
}
.btn-primary-custom:hover {
  background: var(--color-primary-hover);
  color: var(--color-bg);
  transform: translateY(-2px);
}
.btn-outline-custom {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: #FFFFFF;
}
.btn-outline-custom:hover {
  border-color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.08);
  color: #FFFFFF;
}
.btn-buy {
  background: var(--color-accent);
  color: #FFFFFF;
  border-radius: 8px;
}
.btn-buy:hover {
  background: var(--color-accent-hover);
  color: #FFFFFF;
  transform: scale(1.02);
}
.hero-divider {
  position: relative;
  height: 0;
  border-top: 1px dashed rgba(255,255,255,0.15);
  margin: 48px -9999px 0;
}

/* ===== SECTION ===== */
.section-block { padding: 80px 0; }
.section-block.alt-bg { background-color: var(--color-bg-alt); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
  flex-wrap: wrap;
}
.section-title-wrap { max-width: 640px; }
.section-title {
  font-size: 28px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.35;
  margin: 0 0 12px;
  position: relative;
  padding-bottom: 14px;
}
.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px;
}
.section-subtitle {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin: 12px 0 0;
  line-height: 1.7;
}
.section-more a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-pill);
  transition: all var(--transition-base);
}
.section-more a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ===== TRENDING CARDS ===== */
.trending-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}
.trending-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200,240,75,0.3);
  box-shadow: var(--shadow-hover);
}
.trending-card .card-img-wrap { position: relative; overflow: hidden; }
.trending-card .card-img-wrap img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.trending-card:hover .card-img-wrap img { transform: scale(1.03); }
.trending-card .trending-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-primary);
  color: var(--color-bg);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  z-index: 2;
}
.trending-card .card-body {
  padding: 20px 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.trending-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: #FFFFFF;
  line-height: 1.45;
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.trending-card .card-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.trending-card .card-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.trending-card .meta-stats {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-muted);
}
.trending-card .meta-stats i { color: var(--color-primary); }
.trending-card .card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-base);
}
.trending-card .card-link:hover { gap: 8px; }

/* ===== LIST / GRASS ===== */
.plant-list-section { background: var(--color-bg); }
.plant-list-item {
  display: flex;
  gap: 40px;
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
}
.plant-list-item:first-of-type { padding-top: 8px; }
.plant-list-item:last-child { border-bottom: none; }
.plant-list-content { flex: 0 0 55%; max-width: 55%; }
.plant-list-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: #FFFFFF;
  margin: 0 0 12px;
  line-height: 1.5;
}
.plant-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.plant-tags .tag {
  background: rgba(200,240,75,0.08);
  border: 1px solid rgba(200,240,75,0.2);
  color: var(--color-primary);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
}
.plant-list-content p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin: 0;
}
.plant-list-visual {
  flex: 0 0 45%;
  max-width: 45%;
  position: relative;
}
.plant-list-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-md);
  display: block;
}
.plant-list-visual .buy-btn-wrap { position: absolute; right: 16px; bottom: 16px; }
.plant-list-visual .btn-buy { box-shadow: 0 4px 16px rgba(0,0,0,0.4); }
@media (max-width: 767px) {
  .plant-list-item { flex-direction: column; gap: 20px; }
  .plant-list-content, .plant-list-visual { flex: 0 0 100%; max-width: 100%; }
}

/* ===== NEWS / CMS LIST ===== */
.news-section { background: var(--color-bg-alt); }
.news-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}
.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200,240,75,0.3);
  box-shadow: var(--shadow-hover);
}
.news-card .news-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.news-card .news-cat {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(200,240,75,0.08);
  border: 1px solid rgba(200,240,75,0.2);
  padding: 3px 12px;
  border-radius: var(--radius-sm);
}
.news-card .news-date {
  font-size: 12px;
  color: var(--color-text-muted);
}
.news-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: #FFFFFF;
  line-height: 1.5;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card .news-summary {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card .news-link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-card .news-link:hover { gap: 10px; }
.empty-state {
  background: var(--color-card);
  border: 1px dashed rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 15px;
}

/* ===== REVIEWS ===== */
.reviews-section { background: var(--color-bg-alt); }
.reviews-track {
  display: flex;
  gap: 20px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 16px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.reviews-track::-webkit-scrollbar { display: none; }
.review-card {
  flex: 0 0 320px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
}
.review-card .quote-mark {
  font-size: 40px;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 12px;
  font-family: Georgia, serif;
}
.review-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 16px;
}
.review-card .review-source {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ===== CTA ===== */
.cta-section { 
  background: var(--color-bg);
  padding: 80px 0;
}
.cta-panel {
  background: var(--color-panel);
  border: 1px solid rgba(200,240,75,0.3);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-panel::before,
.cta-panel::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-primary);
  opacity: 0.4;
}
.cta-panel::before { left: 24px; }
.cta-panel::after { right: 24px; }
.cta-panel .cta-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.cta-panel h2 {
  font-size: 32px;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0 16px;
  line-height: 1.35;
}
.cta-panel .cta-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
@media (max-width: 575px) {
  .cta-panel { padding: 40px 20px; }
  .cta-panel .btn { width: 100%; }
  .cta-panel h2 { font-size: 24px; }
}

/* ===== FAQ ===== */
.faq-section { background: var(--color-bg); }
.faq-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.faq-item {
  background: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: border-color var(--transition-base);
}
.faq-item:hover { border-color: rgba(200,240,75,0.25); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: #FFFFFF;
  cursor: pointer;
  user-select: none;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
}
.faq-question .faq-icon {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  transition: transform var(--transition-base);
}
.faq-item.open .faq-question .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding var(--transition-base);
}
.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
@media (max-width: 767px) {
  .faq-row { grid-template-columns: 1fr; }
  .faq-question { font-size: 15px; }
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 64px 0 0;
}
.footer-grid {
  display: flex;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand { flex: 0 0 30%; max-width: 320px; }
.footer-brand .footer-logo {
  font-size: 22px;
  font-weight: 700;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.footer-brand .footer-logo i { color: var(--color-primary); }
.footer-brand p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin: 0;
}
.footer-nav, .footer-keywords {
  flex: 1;
}
.footer h4 {
  font-size: 16px;
  font-weight: 600;
  color: #FFFFFF;
  margin: 0 0 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: var(--color-primary);
}
.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav a {
  color: var(--color-text-secondary);
  font-size: 14px;
  transition: all var(--transition-base);
}
.footer-nav a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}
.footer-keywords .key-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-keywords .key-list span {
  font-size: 13px;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}
.footer-keywords .key-list span:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-muted);
}
@media (max-width: 767px) {
  .footer-grid { flex-direction: column; gap: 32px; }
  .footer-brand { max-width: 100%; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 991px) {
  .hero-row { gap: 40px; }
  .hero-content h1 { font-size: 36px; }
}
@media (max-width: 767px) {
  .section-block { padding: 56px 0; }
  .section-title { font-size: 22px; }
  .hero-section { padding: 32px 0 48px; }
  .hero-row { flex-direction: column; gap: 32px; }
  .hero-content { flex: 0 0 100%; max-width: 100%; }
  .hero-visual { flex: 0 0 100%; max-width: 100%; }
  .hero-visual img { aspect-ratio: 4 / 5; }
  .hero-content h1 { font-size: 28px; }
  .hero-content .subtitle { font-size: 16px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .reviews-track .review-card { flex: 0 0 280px; }
}
@media (max-width: 575px) {
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .plant-list-item { flex-direction: column; gap: 16px; }
  .hero-cta .btn { width: 100%; }
}

/* roulang page: category1 */
:root {
            --primary: #C8F04B;
            --primary-hover: #D7F76A;
            --primary-dark: #0D1117;
            --secondary: #FF5C38;
            --secondary-hover: #E84828;
            --bg-main: #0D1117;
            --bg-alt: #141A22;
            --bg-card: #1A212B;
            --bg-panel: #212A36;
            --text-main: #E8EDF2;
            --text-sub: #A0ABB8;
            --text-weak: #6B7684;
            --text-white: #FFFFFF;
            --border: rgba(255,255,255,0.08);
            --border-strong: rgba(255,255,255,0.16);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --radius-pill: 100px;
            --shadow-card: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-hover: 0 12px 32px rgba(0,0,0,0.5);
            --shadow-nav: 0 4px 20px rgba(0,0,0,0.5);
            --transition: 0.2s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-stack);
            background-color: var(--bg-main);
            color: var(--text-main);
            font-size: 15px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary); }
        img { max-width: 100%; height: auto; display: block; }
        button { font-family: inherit; cursor: pointer; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5 { color: var(--text-white); line-height: 1.4; }
        h1 { font-size: 44px; font-weight: 700; line-height: 1.25; }
        h2 { font-size: 28px; font-weight: 700; line-height: 1.35; }
        h3 { font-size: 20px; font-weight: 600; line-height: 1.4; }
        p { margin-bottom: 0; }
        .container { max-width: 1200px; padding: 0 24px; }
        :focus-visible { outline: 2px solid rgba(200,240,75,0.5); outline-offset: 2px; border-radius: 4px; }

        /* ===== 胶囊导航 ===== */
        .capsule-nav {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1050;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: calc(100% - 48px);
            max-width: 1200px;
            height: 56px;
            padding: 0 20px;
            background: rgba(13,17,23,0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-nav);
            transition: box-shadow var(--transition);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .nav-logo i { color: var(--primary); font-size: 16px; }
        .nav-logo:hover { color: var(--primary); }
        .nav-links { display: flex; align-items: center; gap: 2px; }
        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover { color: var(--text-white); background: rgba(255,255,255,0.06); }
        .nav-links a.active { color: var(--primary); font-weight: 600; background: rgba(200,240,75,0.08); }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 20px;
            padding: 8px 10px;
            border-radius: var(--radius-md);
            transition: background var(--transition);
        }
        .nav-toggle:hover { background: rgba(255,255,255,0.1); }

        /* ===== 通用板块 ===== */
        .section-pad { padding: 80px 0; }
        .section-head { margin-bottom: 48px; }
        .section-head .tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(200,240,75,0.1);
            border-radius: var(--radius-sm);
            padding: 4px 12px;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .section-head h2 { margin-bottom: 12px; }
        .section-head p { color: var(--text-sub); max-width: 600px; }
        .divider-line {
            border-top: 1px solid var(--border);
            margin: 0;
        }

        /* ===== 分类 Hero 标题区 ===== */
        .category-hero {
            padding: 140px 0 48px;
            position: relative;
        }
        .category-hero .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 32px;
        }
        .category-hero .breadcrumb-custom a { color: var(--text-sub); }
        .category-hero .breadcrumb-custom a:hover { color: var(--primary); }
        .category-hero .breadcrumb-custom i { font-size: 10px; color: var(--text-weak); }
        .category-hero h1 { margin-bottom: 16px; letter-spacing: 1px; }
        .category-hero .lead {
            font-size: 17px;
            color: var(--text-sub);
            max-width: 620px;
            margin-bottom: 0;
            line-height: 1.8;
        }
        .category-hero .hero-bottom {
            display: flex;
            align-items: center;
            gap: 24px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid var(--border);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
        }
        .hero-stats .stat-item strong {
            display: block;
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-stats .stat-item span {
            font-size: 13px;
            color: var(--text-weak);
        }

        /* ===== 图文混排 ===== */
        .intro-block {
            padding: 80px 0;
            background: var(--bg-alt);
            position: relative;
            overflow: hidden;
        }
        .intro-block .row { align-items: center; }
        .intro-text .tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(200,240,75,0.1);
            border-radius: var(--radius-sm);
            padding: 4px 12px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .intro-text h2 { margin-bottom: 20px; }
        .intro-text p { color: var(--text-sub); margin-bottom: 16px; line-height: 1.9; }
        .intro-text .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 24px 0 32px;
        }
        .intro-text .tag-list span {
            font-size: 13px;
            color: var(--text-main);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 6px 14px;
            transition: all var(--transition);
        }
        .intro-text .tag-list span:hover {
            border-color: rgba(200,240,75,0.4);
            color: var(--primary);
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 15px;
            border: none;
            border-radius: var(--radius-md);
            padding: 12px 24px;
            transition: all var(--transition);
        }
        .btn-primary-custom:hover {
            background: var(--primary-hover);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .btn-secondary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-white);
            font-weight: 500;
            font-size: 15px;
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-md);
            padding: 12px 24px;
            transition: all var(--transition);
        }
        .btn-secondary-custom:hover {
            border-color: rgba(255,255,255,0.8);
            background: rgba(255,255,255,0.08);
            color: var(--text-white);
            transform: translateY(-2px);
        }
        .intro-image {
            position: relative;
            padding: 0 12px;
        }
        .intro-image .img-frame {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .intro-image .img-frame::before {
            content: '';
            position: absolute;
            top: 20px;
            left: -12px;
            width: 100%;
            height: 100%;
            border: 1px solid rgba(200,240,75,0.4);
            border-radius: var(--radius-lg);
            z-index: 0;
            pointer-events: none;
        }
        .intro-image .img-frame img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            position: relative;
            z-index: 1;
            border-radius: var(--radius-lg);
        }
        .intro-image .img-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            z-index: 2;
            background: rgba(13,17,23,0.8);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(200,240,75,0.3);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-md);
            letter-spacing: 1px;
        }

        /* ===== 数据统计 ===== */
        .stats-block { padding: 60px 0; background: var(--bg-main); }
        .stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover { transform: translateY(-4px); border-color: rgba(200,240,75,0.3); box-shadow: var(--shadow-hover); }
        .stat-card .stat-num {
            font-size: 40px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .stat-card .stat-unit { font-size: 16px; color: var(--text-weak); margin-left: 2px; }
        .stat-card h4 { font-size: 16px; color: var(--text-main); margin-bottom: 8px; }
        .stat-card p { font-size: 13px; color: var(--text-weak); line-height: 1.6; }

        /* ===== 热点内容卡片 ===== */
        .hot-content { padding: 80px 0; background: var(--bg-alt); }
        .hot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .hot-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
        }
        .hot-card:hover {
            transform: translateY(-4px);
            border-color: rgba(200,240,75,0.3);
            box-shadow: var(--shadow-hover);
        }
        .hot-card .card-cover {
            position: relative;
            overflow: hidden;
        }
        .hot-card .card-cover img { width: 100%; height: 200px; object-fit: cover; transition: transform 0.4s ease; }
        .hot-card:hover .card-cover img { transform: scale(1.04); }
        .hot-card .hot-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 1px;
            z-index: 2;
        }
        .hot-card .card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
        .hot-card .card-cat {
            font-size: 12px;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .hot-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; line-height: 1.5; }
        .hot-card p.desc { font-size: 14px; color: var(--text-sub); line-height: 1.7; margin-bottom: 16px; flex: 1; }
        .hot-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-weak);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .hot-card .card-meta .meta-item { display: flex; align-items: center; gap: 6px; }
        .hot-card .card-meta i { font-size: 12px; color: var(--text-weak); }
        .hot-card .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== 方向板块 ===== */
        .direction-block { padding: 80px 0; background: var(--bg-main); position: relative; }
        .direction-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
            pointer-events: none;
        }
        .direction-block .container { position: relative; z-index: 1; }
        .direction-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .direction-card {
            background: rgba(26,33,43,0.9);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition);
        }
        .direction-card:hover { transform: translateY(-4px); border-color: rgba(200,240,75,0.3); box-shadow: var(--shadow-hover); }
        .direction-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(200,240,75,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .direction-card h3 { font-size: 18px; margin-bottom: 12px; }
        .direction-card p { font-size: 14px; color: var(--text-sub); line-height: 1.7; }
        .direction-card .direction-points { margin-top: 16px; }
        .direction-card .direction-points li {
            font-size: 13px;
            color: var(--text-sub);
            padding: 4px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .direction-card .direction-points li i { font-size: 10px; color: var(--primary); }

        /* ===== FAQ ===== */
        .faq-block { padding: 80px 0; background: var(--bg-alt); }
        .faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 16px; }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: rgba(200,240,75,0.25); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(200,240,75,0.15);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-icon { transform: rotate(45deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-sub);
            border-top: none;
        }
        .faq-item.open .faq-answer { max-height: 300px; }
        .faq-item.open .faq-answer-inner { padding-top: 0; }

        /* ===== CTA 区块 ===== */
        .cta-panel { padding: 80px 0; background: var(--bg-main); position: relative; }
        .cta-inner {
            position: relative;
            background: var(--bg-alt);
            border: 1px solid rgba(200,240,75,0.3);
            border-radius: var(--radius-lg);
            padding: 48px 48px;
            text-align: center;
            overflow: hidden;
        }
        .cta-inner::before,
        .cta-inner::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 80px;
            border: 2px solid rgba(200,240,75,0.2);
            border-radius: 6px;
            pointer-events: none;
        }
        .cta-inner::before { top: 20px; left: 20px; }
        .cta-inner::after { bottom: 20px; right: 20px; }
        .cta-inner .cta-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(200,240,75,0.1);
            border-radius: var(--radius-sm);
            padding: 4px 14px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .cta-inner h2 { font-size: 30px; margin-bottom: 16px; }
        .cta-inner p { color: var(--text-sub); max-width: 480px; margin: 0 auto 32px; font-size: 15px; }
        .cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .btn-buy {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border: none;
            border-radius: 8px;
            padding: 14px 32px;
            transition: all var(--transition);
        }
        .btn-buy:hover { background: var(--secondary-hover); color: #fff; transform: scale(1.02); }

        /* ===== 页脚 ===== */
        .footer { background: var(--bg-main); border-top: 1px solid var(--border); padding: 64px 0 0; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid var(--border); }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer-logo i { color: var(--primary); }
        .footer-brand p { color: var(--text-sub); font-size: 14px; line-height: 1.8; max-width: 320px; }
        .footer-nav h4, .footer-keywords h4 { font-size: 16px; font-weight: 600; color: var(--text-white); margin-bottom: 20px; }
        .footer-nav ul { padding: 0; }
        .footer-nav li { margin-bottom: 12px; }
        .footer-nav li a { color: var(--text-sub); font-size: 14px; transition: all var(--transition); }
        .footer-nav li a:hover { color: var(--primary); padding-left: 4px; }
        .key-list { display: flex; flex-wrap: wrap; gap: 10px; }
        .key-list span {
            font-size: 13px;
            color: var(--text-sub);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            transition: all var(--transition);
        }
        .key-list span:hover { border-color: rgba(200,240,75,0.4); color: var(--primary); }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0;
            font-size: 13px;
            color: var(--text-weak);
        }
        .footer-bottom p { margin: 0; }
        .footer-bottom a { color: var(--text-weak); }
        .footer-bottom a:hover { color: var(--primary); }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .direction-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
            .direction-card { padding: 24px 20px; }
            .hot-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 767px) {
            .section-pad { padding: 56px 0; }
            .category-hero { padding: 110px 0 32px; }
            .category-hero h1 { font-size: 28px; }
            .category-hero .lead { font-size: 16px; }
            .category-hero .hero-bottom { flex-direction: column; align-items: flex-start; gap: 16px; }
            .hero-stats { gap: 24px; width: 100%; }
            .hero-stats .stat-item strong { font-size: 22px; }
            .intro-block { padding: 56px 0; }
            .intro-image .img-frame img { height: 280px; }
            .stats-grid { grid-template-columns: 1fr; }
            .hot-grid { grid-template-columns: 1fr; }
            .direction-grid { grid-template-columns: 1fr; }
            .cta-inner { padding: 32px 20px; }
            .cta-inner h2 { font-size: 24px; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            /* 导航移动端 */
            .capsule-nav {
                width: calc(100% - 24px);
                height: 50px;
                top: 12px;
                padding: 0 12px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 58px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(13,17,23,0.96);
                backdrop-filter: blur(16px);
                border-radius: var(--radius-md);
                border: 1px solid var(--border);
                padding: 12px;
                gap: 4px;
                box-shadow: var(--shadow-hover);
            }
            .nav-links.show { display: flex; }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                font-size: 15px;
            }
            .nav-links a.active::after { display: none; }
            .nav-toggle { display: block; }
            .nav-logo { font-size: 16px; }
            .nav-logo i { font-size: 14px; }
        }
        @media (max-width: 575px) {
            .nav-logo { font-size: 15px; }
            .nav-logo i { font-size: 13px; }
            .nav-links a { font-size: 14px; padding: 12px 12px; }
            .cta-btns .btn-primary-custom,
            .cta-btns .btn-secondary-custom { width: 100%; justify-content: center; }
            .hero-stats { flex-direction: column; gap: 12px; }
            .intro-text .tag-list { gap: 8px; }
            .section-head h2 { font-size: 22px; }
        }

/* roulang page: article */
:root {
    --primary: #C8F04B;
    --primary-hover: #D7F76A;
    --accent: #FF5C38;
    --accent-hover: #E84828;
    --bg-main: #0D1117;
    --bg-section: #141A22;
    --bg-card: #1A212B;
    --bg-panel: #212A36;
    --text-main: #E8EDF2;
    --text-secondary: #A0ABB8;
    --text-muted: #6B7684;
    --text-white: #FFFFFF;
    --border: rgba(255,255,255,0.08);
    --border-strong: rgba(255,255,255,0.16);
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
    --radius-pill: 100px;
    --shadow-card: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-hover: 0 12px 32px rgba(0,0,0,0.5);
    --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    --bs-primary: #C8F04B;
    --bs-link-color: #C8F04B;
    --bs-link-hover-color: #D7F76A;
    --bs-body-bg: #0D1117;
    --bs-body-color: #E8EDF2;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-main);
    background: var(--bg-main);
    color: var(--text-main);
    font-size: 15px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: var(--primary-hover);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button {
    font-family: inherit;
    cursor: pointer;
}
ul,
ol {
    list-style: none;
}
::-webkit-scrollbar {
    width: 8px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-panel);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
main {
    animation: fadeIn 0.4s ease both;
}
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.capsule-nav {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 10px 20px;
    background: rgba(13, 17, 23, 0.85);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-pill);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    max-width: calc(100% - 32px);
    min-height: 56px;
    transition: box-shadow 0.2s ease;
}
.capsule-nav:hover {
    box-shadow: 0 6px 28px rgba(0, 0, 0, 0.55);
}
.nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: 0.2px;
    white-space: nowrap;
    transition: color 0.2s;
}
.nav-logo i {
    color: var(--primary);
    font-size: 16px;
}
.nav-logo:hover {
    color: var(--primary);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-links a {
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    white-space: nowrap;
    transition: color 0.2s, background 0.2s;
}
.nav-links a:hover {
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.06);
}
.nav-links a.active {
    color: var(--primary);
    font-weight: 600;
}
.nav-links a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -2px;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--primary);
}
.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    color: var(--text-main);
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: border-color 0.2s, background 0.2s;
}
.nav-toggle:hover {
    border-color: var(--primary);
    background: rgba(200, 240, 75, 0.08);
    color: var(--primary);
}
.article-breadcrumb {
    padding: 110px 0 20px;
    background: var(--bg-main);
}
.breadcrumb-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-section);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    overflow: hidden;
    min-height: 48px;
}
.breadcrumb-inner a {
    color: var(--text-secondary);
    white-space: nowrap;
    transition: color 0.2s;
}
.breadcrumb-inner a:hover {
    color: var(--primary);
}
.breadcrumb-inner .sep {
    color: var(--text-muted);
    font-size: 11px;
    flex-shrink: 0;
}
.breadcrumb-inner .current {
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 320px;
}
.article-header {
    padding: 36px 0 24px;
    background: var(--bg-main);
}
.article-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: var(--radius-sm);
    background: rgba(200, 240, 75, 0.1);
    color: var(--primary);
    font-size: 13px;
    font-weight: 500;
    border: 1px solid rgba(200, 240, 75, 0.2);
    margin-bottom: 18px;
}
.article-title {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-white);
    margin-bottom: 16px;
    max-width: 780px;
    letter-spacing: -0.01em;
}
.article-summary {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 760px;
    margin-bottom: 20px;
    padding: 16px 20px;
    border-left: 3px solid var(--primary);
    background: rgba(200, 240, 75, 0.04);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 13px;
    color: var(--text-muted);
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.article-meta i {
    color: var(--primary);
    font-size: 14px;
}
.article-content {
    padding: 32px 0 64px;
    background: var(--bg-main);
}
.article-body {
    max-width: 760px;
    margin: 0 auto;
}
.article-body h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-white);
    margin: 48px 0 16px;
    line-height: 1.35;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-white);
    margin: 32px 0 12px;
    line-height: 1.4;
}
.article-body p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-main);
    margin-bottom: 24px;
}
.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 4px;
}
.article-body a:hover {
    color: var(--primary-hover);
}
.article-body ul,
.article-body ol {
    margin: 0 0 24px;
    padding-left: 24px;
    color: var(--text-main);
}
.article-body ul li {
    position: relative;
    padding-left: 4px;
    margin-bottom: 8px;
    line-height: 1.7;
}
.article-body ul li::before {
    content: "";
    position: absolute;
    left: -16px;
    top: 12px;
    width: 6px;
    height: 6px;
    border-radius: 2px;
    background: var(--primary);
}
.article-body ol {
    list-style: decimal;
}
.article-body ol li {
    margin-bottom: 8px;
    line-height: 1.7;
    padding-left: 4px;
}
.article-body blockquote {
    border-left: 3px solid var(--primary);
    background: rgba(200, 240, 75, 0.05);
    padding: 18px 22px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 24px 0;
    color: var(--text-secondary);
    font-size: 14.5px;
    line-height: 1.7;
}
.article-body img {
    border-radius: var(--radius-lg);
    max-width: 100%;
    height: auto;
    margin: 24px 0;
    box-shadow: var(--shadow-card);
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    border-radius: var(--radius-md);
    overflow: hidden;
}
.article-body table th {
    background: var(--bg-panel);
    color: var(--text-white);
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 600;
    text-align: left;
    border-bottom: 1px solid var(--border-strong);
}
.article-body table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: var(--text-main);
    background: var(--bg-card);
}
.article-body table tr:last-child td {
    border-bottom: none;
}
.article-body hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 32px 0;
}
.not-found {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 64px 32px;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}
.not-found-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(200, 240, 75, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    color: var(--primary);
}
.not-found h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 12px;
}
.not-found p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}
.not-found a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--primary);
    color: var(--bg-main);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}
.not-found a:hover {
    background: var(--primary-hover);
    color: var(--bg-main);
    transform: translateY(-2px);
}
.related-section {
    padding: 64px 0 72px;
    background: var(--bg-section);
    border-top: 1px solid var(--border);
}
.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}
.section-head h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-white);
    margin: 0;
    letter-spacing: -0.01em;
    position: relative;
}
.section-head h2::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 48px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}
.related-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(200, 240, 75, 0.3);
}
.related-card .card-img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--bg-panel);
}
.related-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.related-card:hover .card-img img {
    transform: scale(1.03);
}
.related-card .card-body {
    padding: 18px 20px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.related-card .card-tag {
    font-size: 12px;
    color: var(--primary);
    border: 1px solid rgba(200, 240, 75, 0.3);
    padding: 2px 10px;
    border-radius: 4px;
    display: inline-block;
    width: fit-content;
    margin-bottom: 10px;
    font-weight: 500;
}
.related-card .card-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-white);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 10px;
    position: relative;
}
.related-card .card-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    margin-bottom: 14px;
}
.related-card .card-link {
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s, color 0.2s;
}
.related-card .card-link:hover {
    gap: 10px;
    color: var(--primary-hover);
}
.back-section {
    padding: 40px 0 80px;
    background: var(--bg-section);
    border-top: 1px solid var(--border);
    text-align: center;
}
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    background: var(--primary);
    color: var(--bg-main);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}
.back-btn:hover {
    background: var(--primary-hover);
    color: var(--bg-main);
    transform: translateY(-2px);
}
.back-btn i {
    font-size: 14px;
}
.footer {
    background: var(--bg-main);
    border-top: 1px solid var(--border);
    padding-top: 56px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 40px;
}
.footer-brand .footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 12px;
}
.footer-brand .footer-logo i {
    color: var(--primary);
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 320px;
}
.footer-nav h4,
.footer-keywords h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 16px;
}
.footer-nav ul li {
    margin-bottom: 10px;
}
.footer-nav ul li a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.2s, padding-left 0.2s;
}
.footer-nav ul li a:hover {
    color: var(--primary);
    padding-left: 4px;
}
.key-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.key-list span {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    transition: border-color 0.2s, color 0.2s;
}
.key-list span:hover {
    border-color: rgba(200, 240, 75, 0.3);
    color: var(--primary);
}
.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}
.footer-bottom a {
    color: var(--text-muted);
}
.footer-bottom a:hover {
    color: var(--primary);
}
a:focus-visible,
button:focus-visible {
    outline: 2px solid rgba(200, 240, 75, 0.5);
    outline-offset: 2px;
}
@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}
@media (max-width: 767px) {
    .capsule-nav {
        min-height: 50px;
        padding: 8px 14px;
        gap: 12px;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-links {
        position: absolute;
        top: calc(100% + 8px);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(13, 17, 23, 0.96);
        border: 1px solid var(--border);
        border-radius: 16px;
        padding: 12px;
        display: none;
        box-shadow: var(--shadow-hover);
        -webkit-backdrop-filter: blur(16px);
        backdrop-filter: blur(16px);
    }
    .nav-links.open {
        display: flex;
    }
    .nav-links a {
        padding: 12px 16px;
        font-size: 15px;
        border-radius: 10px;
    }
    .nav-links a.active {
        background: rgba(200, 240, 75, 0.1);
    }
    .article-breadcrumb {
        padding-top: 90px;
    }
    .breadcrumb-inner .current {
        max-width: 180px;
    }
    .article-title {
        font-size: 28px;
    }
    .article-summary {
        font-size: 15px;
        padding: 14px 16px;
    }
    .related-section {
        padding: 48px 0 56px;
    }
    .section-head h2 {
        font-size: 22px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .article-content {
        padding: 24px 0 48px;
    }
}
@media (max-width: 575px) {
    .nav-logo {
        font-size: 16px;
    }
    .article-breadcrumb {
        padding-top: 82px;
    }
    .article-header {
        padding: 24px 0 16px;
    }
    .article-title {
        font-size: 24px;
    }
    .article-meta {
        gap: 12px;
    }
    .article-body h2 {
        font-size: 22px;
    }
    .article-body h3 {
        font-size: 18px;
    }
    .breadcrumb-inner {
        font-size: 13px;
        padding: 10px 14px;
    }
    .breadcrumb-inner .current {
        max-width: 120px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* roulang page: category2 */
:root {
  --primary: #C8F04B;
  --primary-bright: #D7F76A;
  --accent: #FF5C38;
  --accent-dark: #E84828;
  --bg: #0D1117;
  --bg-alt: #141A22;
  --card: #1A212B;
  --card-raised: #212A36;
  --text: #E8EDF2;
  --text-secondary: #A0ABB8;
  --text-muted: #6B7684;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.2);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --radius-pill: 100px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.5);
  --shadow-nav: 0 4px 20px rgba(0,0,0,0.5);
  --space-section: 80px;
  --space-mobile: 56px;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

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

a:focus-visible,
button:focus-visible,
.accordion-button:focus-visible {
  outline: 2px solid rgba(200, 240, 75, 0.5);
  outline-offset: 2px;
}

.container {
  max-width: 1200px;
}

/* ===== 按钮 ===== */
.btn-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-brand:hover {
  background: var(--primary-bright);
  color: var(--bg);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200, 240, 75, 0.15);
}

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

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.8);
  color: #fff;
  transform: translateY(-2px);
}

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

/* ===== 导航 ===== */
.capsule-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 8px 20px;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-nav);
  max-width: calc(100% - 24px);
  width: 820px;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
}

.nav-logo i {
  color: var(--primary);
  font-size: 18px;
}

.nav-logo:hover {
  color: #fff;
}

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

.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}

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

.nav-links a.active {
  color: var(--primary);
  background: rgba(200, 240, 75, 0.08);
  font-weight: 600;
}

.nav-links a.active::after {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
  margin: 2px auto 0;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 20px;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

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

/* ===== 通用板块标题 ===== */
.section-head {
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  background: rgba(200, 240, 75, 0.1);
  border: 1px solid rgba(200, 240, 75, 0.25);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  margin: 0;
}

/* ===== 页头 H1 区 ===== */
.page-hero {
  background: var(--bg);
  padding: 150px 0 64px;
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

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

.breadcrumb-lite {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

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

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

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

.page-hero h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  margin: 0 0 16px;
}

.page-hero .hero-lead {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 28px;
}

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

.hero-divider {
  width: 64px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  margin-top: 32px;
}

/* ===== 数据条 ===== */
.stats-strip {
  background: var(--bg-alt);
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stat-item {
  text-align: center;
  padding: 12px;
}

.stat-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
}

.stat-num span {
  font-size: 18px;
  font-weight: 600;
  margin-left: 2px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* ===== 图文混排 ===== */
.feature-split {
  padding: var(--space-section) 0;
}

.feature-visual {
  position: relative;
  margin-bottom: 32px;
}

.feature-visual img {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-lg);
  width: 100%;
  height: 380px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.feature-visual::before {
  content: '';
  position: absolute;
  top: -12px;
  left: -12px;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
  border: 1px solid rgba(200, 240, 75, 0.35);
  border-radius: var(--radius-lg);
  z-index: 1;
}

.feature-content {
  padding-left: 12px;
}

.feature-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  margin: 0 0 16px;
}

.feature-content p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 24px;
}

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

.feature-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 12px;
}

.feature-list li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--primary);
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 13px;
}

/* ===== 观察维度 ===== */
.dimensions {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-section) 0;
}

.dim-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  height: 100%;
  transition: all 0.2s ease;
}

.dim-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200, 240, 75, 0.3);
  box-shadow: var(--shadow-hover);
}

.dim-card i {
  color: var(--primary);
  font-size: 32px;
  margin-bottom: 16px;
}

.dim-card h3 {
  color: #fff;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}

.dim-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

/* ===== 观察流程 ===== */
.observe-process {
  padding: var(--space-section) 0;
}

.process-card {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  height: 100%;
  transition: all 0.2s ease;
}

.process-card:hover {
  background: var(--card);
  transform: translateY(-4px);
  border-color: rgba(200, 240, 75, 0.3);
  box-shadow: var(--shadow-hover);
}

.process-num {
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.process-card h3 {
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.process-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

/* ===== 精选内容卡片 ===== */
.featured-observations {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-section) 0;
}

.obs-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  transition: all 0.2s ease;
}

.obs-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200, 240, 75, 0.3);
  box-shadow: var(--shadow-hover);
}

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

.obs-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.badge-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--primary);
  color: var(--bg);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.obs-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.obs-body h3 {
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 12px;
}

.obs-body p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 18px;
}

.obs-body a {
  margin-top: auto;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}

.obs-body a i {
  transition: transform 0.2s ease;
}

.obs-body a:hover i {
  transform: translateX(4px);
}

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

.faq-section .accordion-item {
  background: transparent;
  border: none;
  margin-bottom: 14px;
}

.faq-section .accordion-button {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md) !important;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  padding: 18px 48px 18px 20px;
  box-shadow: none !important;
  position: relative;
}

.faq-section .accordion-button:not(.collapsed) {
  background: var(--card-raised);
  color: var(--primary);
  border-color: rgba(200, 240, 75, 0.3);
}

.faq-section .accordion-button::after {
  background-image: none;
  content: '+';
  font-size: 22px;
  font-weight: 300;
  line-height: 1;
  width: auto;
  height: auto;
  color: var(--primary);
  position: absolute;
  right: 20px;
  transition: transform 0.2s ease;
}

.faq-section .accordion-button:not(.collapsed)::after {
  content: '×';
  transform: none;
}

.faq-section .accordion-body {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  padding: 0 20px 18px;
}

/* ===== CTA 面板 ===== */
.cta-panel {
  padding: var(--space-section) 0;
}

.cta-inner {
  background: var(--bg-alt);
  border: 1px solid rgba(200, 240, 75, 0.25);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-inner::before,
.cta-inner::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(200, 240, 75, 0.3);
}

.cta-inner::before {
  left: 20px;
}

.cta-inner::after {
  right: 20px;
}

.cta-inner h2 {
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  margin: 12px 0 8px;
}

.cta-inner p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 24px;
}

/* ===== 页脚 ===== */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 60px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-logo i {
  color: var(--primary);
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  max-width: 320px;
  margin: 0;
}

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

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-nav ul a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-nav ul a:hover {
  color: var(--primary);
}

.key-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.key-list span {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

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

.footer-bottom p {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0;
}

/* ===== 响应式 ===== */
@media (max-width: 991.98px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

@media (max-width: 767.98px) {
  .capsule-nav {
    width: calc(100% - 24px);
    padding: 6px 8px 6px 16px;
    top: 10px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 8px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

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

  .nav-links a {
    padding: 10px 16px;
    border-radius: 12px;
    text-align: center;
  }

  .nav-links a.active {
    background: rgba(200, 240, 75, 0.1);
  }

  .nav-links a.active::after {
    display: none;
  }

  .page-hero {
    padding: 120px 0 48px;
  }

  .page-hero h1 {
    font-size: 28px;
  }

  .page-hero .hero-lead {
    font-size: 15px;
  }

  .feature-split,
  .dimensions,
  .observe-process,
  .featured-observations,
  .faq-section,
  .cta-panel {
    padding: var(--space-mobile) 0;
  }

  .section-head h2 {
    font-size: 22px;
  }

  .feature-content {
    padding-left: 0;
  }

  .feature-visual img {
    height: 260px;
  }

  .stat-num {
    font-size: 28px;
  }

  .stat-num span {
    font-size: 15px;
  }

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

  .cta-inner h2 {
    font-size: 22px;
  }

  .cta-inner::before,
  .cta-inner::after {
    display: none;
  }

  .footer {
    padding: 48px 0 24px;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 575.98px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn-brand,
  .hero-actions .btn-outline {
    width: 100%;
    justify-content: center;
  }

  .stat-num {
    font-size: 26px;
  }

  .stat-label {
    font-size: 12px;
  }
}