/* roulang page: index */
:root {
  --primary: #7C5CFC;
  --primary-dark: #5A3FD4;
  --primary-light: #9B82FF;
  --secondary: #FFC857;
  --secondary-dark: #E5A830;
  --accent: #FF6B35;
  --accent-light: #FF8A5C;
  --bg-body: #0B0B1A;
  --bg-section: #0F0F24;
  --bg-card: rgba(255,255,255,0.06);
  --bg-card-hover: rgba(255,255,255,0.10);
  --bg-glass: rgba(255,255,255,0.08);
  --bg-glass-border: rgba(255,255,255,0.15);
  --text: #FFFFFF;
  --text-secondary: #E0E0F0;
  --text-muted: rgba(255,255,255,0.65);
  --border: rgba(255,255,255,0.10);
  --border-light: rgba(255,255,255,0.18);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
  --shadow: 0 8px 32px rgba(0,0,0,0.30);
  --shadow-lg: 0 16px 56px rgba(0,0,0,0.40);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --header-h: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg-body);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
ul, ol { list-style: none; }
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
}

/* Header / Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(11,11,26,0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.header.scrolled {
  background: rgba(11,11,26,0.92);
  border-bottom-color: rgba(255,255,255,0.12);
  box-shadow: 0 4px 24px rgba(0,0,0,0.35);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover,
.nav-links a:focus-visible {
  color: #fff;
  background: rgba(255,255,255,0.08);
}
.nav-links a.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 0 20px rgba(124,92,252,0.30);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-box {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-sm);
  padding: 0 12px;
  height: 40px;
  transition: var(--transition);
}
.search-box:focus-within {
  background: rgba(255,255,255,0.12);
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(124,92,252,0.20);
}
.search-box input {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 14px;
  width: 140px;
  padding: 0 8px;
}
.search-box input::placeholder { color: rgba(255,255,255,0.45); }
.search-box input:focus { outline: none; }
.search-box .search-icon {
  color: rgba(255,255,255,0.5);
  font-size: 16px;
  flex-shrink: 0;
}
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(124,92,252,0.30);
  white-space: nowrap;
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(124,92,252,0.45);
}
.btn-cta:active { transform: translateY(0); }
.btn-cta-outline {
  background: transparent;
  border: 1.5px solid var(--border-light);
  color: #fff;
  box-shadow: none;
}
.btn-cta-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--primary-light);
  box-shadow: none;
}
.btn-cta-small {
  padding: 8px 18px;
  font-size: 13px;
  border-radius: 6px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: #fff;
  border-radius: 4px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(11,11,26,0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 6px;
  }
  .nav-links.open a { padding: 12px 16px; font-size: 16px; }
  .hamburger { display: flex; }
  .search-box { display: none; }
  .search-box.mobile-show {
    display: flex;
    width: 100%;
    margin: 12px 0;
  }
  .header .container.mobile-search-active .search-box {
    display: flex;
    width: 100%;
  }
  .btn-cta { padding: 8px 18px; font-size: 13px; }
}

/* Hero */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,11,26,0.55) 0%, rgba(11,11,26,0.80) 50%, #0B0B1A 100%);
  z-index: 1;
}
.hero .container {
  position: relative;
  z-index: 2;
  max-width: 820px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,92,252,0.25);
  border: 1px solid rgba(124,92,252,0.35);
  padding: 8px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: 28px;
  backdrop-filter: blur(4px);
}
.hero h1 {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -1px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 30%, var(--primary-light) 70%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: clamp(17px, 2.2vw, 22px);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  align-items: center;
}
.hero-actions .btn-cta {
  padding: 14px 36px;
  font-size: 17px;
  border-radius: var(--radius-sm);
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px 56px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.hero-stat-item {
  text-align: center;
}
.hero-stat-item .num {
  font-size: 32px;
  font-weight: 800;
  color: var(--secondary);
  display: block;
  line-height: 1.2;
}
.hero-stat-item .label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}
@media (max-width: 600px) {
  .hero { padding: 100px 16px 60px; min-height: auto; }
  .hero-stats { gap: 20px 32px; }
  .hero-stat-item .num { font-size: 26px; }
}

/* Sections */
.section {
  padding: 80px 0;
}
.section-alt {
  background: var(--bg-section);
}
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
}
.section-header h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.section-header h2 span {
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-header p {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-header { margin-bottom: 32px; }
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  transition: var(--transition);
}
.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 26px;
  background: rgba(124,92,252,0.18);
  color: var(--primary-light);
}
.feature-icon.gold { background: rgba(255,200,87,0.18); color: var(--secondary); }
.feature-icon.orange { background: rgba(255,107,53,0.18); color: var(--accent); }
.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}
@media (max-width: 900px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* Category */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
  min-height: 220px;
  display: flex;
  align-items: flex-end;
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-light);
}
.category-card .cat-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.55;
  transition: var(--transition);
}
.category-card:hover .cat-bg { opacity: 0.70; transform: scale(1.03); }
.category-card .cat-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(11,11,26,0.92) 0%, rgba(11,11,26,0.30) 60%, rgba(11,11,26,0.10) 100%);
}
.category-card .cat-content {
  position: relative;
  z-index: 2;
  padding: 28px 24px;
  width: 100%;
}
.category-card .cat-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(124,92,252,0.30);
  color: var(--primary-light);
  border: 1px solid rgba(124,92,252,0.25);
  margin-bottom: 10px;
}
.category-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 6px;
}
.category-card p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.category-card .btn-cta-small {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border-light);
  color: #fff;
}
.category-card .btn-cta-small:hover {
  background: var(--primary);
  border-color: var(--primary);
}
@media (max-width: 700px) {
  .category-grid { grid-template-columns: 1fr; }
}

/* Latest Posts */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.post-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: var(--transition);
}
.post-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.post-card .post-thumb {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  background: var(--bg-card);
  overflow: hidden;
}
.post-card .post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.post-card .post-info { flex: 1; min-width: 0; }
.post-card .post-cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-light);
  background: rgba(124,92,252,0.15);
  padding: 2px 10px;
  border-radius: 50px;
  margin-bottom: 6px;
}
.post-card .post-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card .post-title a { color: #fff; }
.post-card .post-title a:hover { color: var(--primary-light); }
.post-card .post-meta {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
  align-items: center;
}
.post-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}
@media (max-width: 768px) {
  .posts-grid { grid-template-columns: 1fr; }
  .post-card { flex-direction: column; }
  .post-card .post-thumb { width: 100%; height: 160px; }
}

/* Popular Games */
.games-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.game-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.game-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--border-light);
}
.game-card .game-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.game-card .game-body {
  padding: 18px 20px 20px;
}
.game-card .game-body h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}
.game-card .game-body p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.game-card .game-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.game-card .game-tags span {
  font-size: 12px;
  padding: 3px 12px;
  border-radius: 50px;
  background: rgba(255,255,255,0.06);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
@media (max-width: 900px) {
  .games-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .games-grid { grid-template-columns: 1fr; }
}

/* Process Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}
.step-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-3px);
}
.step-card .step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}
.step-card:nth-child(2) .step-num { background: linear-gradient(135deg, var(--secondary), var(--secondary-dark)); }
.step-card:nth-child(3) .step-num { background: linear-gradient(135deg, var(--accent), #E05520); }
.step-card:nth-child(4) .step-num { background: linear-gradient(135deg, #45B7D1, #2D8B9E); }
.step-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.step-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}
@media (max-width: 900px) {
  .steps-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .steps-grid { grid-template-columns: 1fr; }
}

/* FAQ */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--border-light); }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  background: none;
  border: none;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
  gap: 12px;
}
.faq-question:hover { background: rgba(255,255,255,0.03); }
.faq-question .faq-icon {
  flex-shrink: 0;
  font-size: 18px;
  color: var(--text-muted);
  transition: var(--transition);
}
.faq-item.open .faq-question .faq-icon {
  transform: rotate(45deg);
  color: var(--primary-light);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer {
  max-height: 300px;
}
.faq-answer-inner {
  padding: 0 24px 18px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* CTA */
.cta-section {
  background: linear-gradient(135deg, rgba(124,92,252,0.15) 0%, rgba(255,200,87,0.08) 100%);
  border-top: 1px solid rgba(124,92,252,0.15);
  border-bottom: 1px solid rgba(124,92,252,0.15);
}
.cta-box {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-box h2 {
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-box p {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.cta-box .btn-cta {
  padding: 14px 40px;
  font-size: 17px;
  border-radius: var(--radius-sm);
}

/* Footer */
.footer {
  background: #070714;
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}
.footer-brand .logo { font-size: 22px; margin-bottom: 12px; display: inline-block; }
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 300px;
}
.footer-col h5 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-secondary);
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--primary-light); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary-light); }
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* Utility */
.text-gradient {
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.glow-primary { box-shadow: 0 0 30px rgba(124,92,252,0.20); }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: var(--primary-dark); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* Focus */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --clr-primary: #6c5ce7;
  --clr-primary-dark: #5a4bd1;
  --clr-primary-light: #a29bfe;
  --clr-secondary: #fd79a8;
  --clr-secondary-dark: #e86a96;
  --clr-accent: #00cec9;
  --clr-bg: #0f0f1a;
  --clr-bg-alt: #1a1a2e;
  --clr-bg-card: #16213e;
  --clr-bg-glass: rgba(22,33,62,0.75);
  --clr-text: #f0f0f5;
  --clr-text-secondary: #b8b8d0;
  --clr-text-muted: #7a7a9a;
  --clr-border: rgba(108,92,231,0.2);
  --clr-border-light: rgba(255,255,255,0.06);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(108,92,231,0.15);
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
  --font-base: 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --container: 1200px;
  --header-h: 72px;
}

/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-base);font-size:16px;line-height:1.7;color:var(--clr-text);background:var(--clr-bg);min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:var(--clr-primary-light);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--clr-secondary)}
img{max-width:100%;height:auto;display:block}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--clr-text)}
p{margin-bottom:1rem;color:var(--clr-text-secondary)}
::selection{background:var(--clr-primary);color:#fff}

/* ===== Container ===== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ===== Header ===== */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);background:rgba(15,15,26,0.72);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);border-bottom:1px solid var(--clr-border);transition:all var(--transition)}
.header.scrolled{background:rgba(15,15,26,0.92);box-shadow:var(--shadow-md)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:100%;gap:16px}
.logo{font-size:1.6rem;font-weight:800;background:linear-gradient(135deg,var(--clr-primary-light),var(--clr-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;white-space:nowrap;letter-spacing:-0.5px}
.logo:hover{-webkit-text-fill-color:transparent;opacity:0.9}

/* ===== Navigation ===== */
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:8px 18px;border-radius:var(--radius-sm);font-size:0.95rem;font-weight:500;color:var(--clr-text-secondary);transition:all var(--transition);position:relative}
.nav-links a:hover{color:var(--clr-text);background:rgba(108,92,231,0.1)}
.nav-links a.active{color:#fff;background:rgba(108,92,231,0.2)}
.nav-links a.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:3px;border-radius:4px;background:var(--clr-primary-light)}
.nav-right{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,0.06);border:1px solid var(--clr-border);border-radius:var(--radius-xl);padding:6px 16px;transition:all var(--transition);min-width:180px}
.search-box:focus-within{border-color:var(--clr-primary);background:rgba(108,92,231,0.08);box-shadow:0 0 20px rgba(108,92,231,0.08)}
.search-icon{font-size:1rem;margin-right:8px;opacity:0.5}
.search-box input{background:transparent;border:none;outline:none;width:100%;padding:4px 0;font-size:0.9rem;color:var(--clr-text)}
.search-box input::placeholder{color:var(--clr-text-muted)}

.btn-cta{display:inline-flex;align-items:center;justify-content:center;padding:10px 28px;border-radius:var(--radius-xl);font-weight:600;font-size:0.95rem;border:none;cursor:pointer;transition:all var(--transition);background:linear-gradient(135deg,var(--clr-primary),var(--clr-secondary));color:#fff;box-shadow:0 4px 20px rgba(108,92,231,0.25)}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(108,92,231,0.35);color:#fff}
.btn-cta:active{transform:translateY(0)}
.btn-cta-small{padding:7px 20px;font-size:0.85rem}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;border-radius:var(--radius-sm);transition:background var(--transition)}
.hamburger span{display:block;width:26px;height:2.5px;background:var(--clr-text);border-radius:4px;transition:all var(--transition)}
.hamburger:hover{background:rgba(255,255,255,0.06)}
.mobile-show{display:none}

/* ===== Banner ===== */
.page-banner{position:relative;padding:140px 0 80px;margin-top:0;overflow:hidden;background:var(--clr-bg-alt)}
.page-banner .bg-overlay{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:0.25;z-index:0}
.page-banner .bg-gradient{position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,15,26,0.92),rgba(26,26,46,0.85),rgba(108,92,231,0.15));z-index:1}
.page-banner .container{position:relative;z-index:2}
.page-banner .breadcrumb{display:flex;align-items:center;gap:8px;font-size:0.9rem;color:var(--clr-text-muted);margin-bottom:16px;flex-wrap:wrap}
.page-banner .breadcrumb a{color:var(--clr-text-muted)}
.page-banner .breadcrumb a:hover{color:var(--clr-primary-light)}
.page-banner .breadcrumb .sep{opacity:0.4}
.page-banner .breadcrumb .current{color:var(--clr-text-secondary)}
.page-banner h1{font-size:2.6rem;font-weight:800;line-height:1.25;margin-bottom:16px;background:linear-gradient(135deg,#fff,var(--clr-primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-banner .meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:0.95rem;color:var(--clr-text-muted)}
.page-banner .meta .tag{display:inline-block;padding:4px 14px;border-radius:var(--radius-xl);background:rgba(108,92,231,0.15);color:var(--clr-primary-light);font-size:0.8rem;font-weight:500}
.page-banner .meta .date{display:flex;align-items:center;gap:6px}

/* ===== Article Content ===== */
.article-section{padding:60px 0 80px}
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:48px}
.article-main{min-width:0}
.article-body{background:var(--clr-bg-card);border-radius:var(--radius-lg);padding:40px 44px;border:1px solid var(--clr-border);box-shadow:var(--shadow-sm)}
.article-body .featured-image{margin:-40px -44px 32px;border-radius:var(--radius-lg) var(--radius-lg) 0 0;overflow:hidden;max-height:480px}
.article-body .featured-image img{width:100%;height:100%;object-fit:cover}
.article-body .content{font-size:1.05rem;line-height:1.85;color:var(--clr-text-secondary)}
.article-body .content p{margin-bottom:1.4rem}
.article-body .content h2,.article-body .content h3,.article-body .content h4{margin-top:2rem;margin-bottom:1rem;color:var(--clr-text)}
.article-body .content ul,.article-body .content ol{padding-left:1.6rem;margin-bottom:1.4rem}
.article-body .content li{margin-bottom:0.5rem;list-style:disc}
.article-body .content img{border-radius:var(--radius-md);margin:1.5rem 0}
.article-body .content blockquote{border-left:4px solid var(--clr-primary);padding:12px 20px;margin:1.5rem 0;background:rgba(108,92,231,0.06);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--clr-text-secondary)}
.article-body .content a{color:var(--clr-primary-light);text-decoration:underline;text-underline-offset:3px}
.article-body .content a:hover{color:var(--clr-secondary)}

/* ===== Sidebar ===== */
.article-sidebar{display:flex;flex-direction:column;gap:28px}
.sidebar-card{background:var(--clr-bg-card);border:1px solid var(--clr-border);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm)}
.sidebar-card h4{font-size:1.1rem;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.sidebar-card h4::before{content:'';width:4px;height:20px;background:linear-gradient(180deg,var(--clr-primary),var(--clr-secondary));border-radius:4px}
.sidebar-card .list-item{display:flex;align-items:flex-start;gap:14px;padding:12px 0;border-bottom:1px solid var(--clr-border-light);transition:background var(--transition)}
.sidebar-card .list-item:last-child{border-bottom:none}
.sidebar-card .list-item:hover{background:rgba(108,92,231,0.04);margin:0 -8px;padding:12px 8px;border-radius:var(--radius-sm)}
.sidebar-card .list-item .thumb{width:60px;height:60px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0;background:var(--clr-bg-alt)}
.sidebar-card .list-item .info{flex:1;min-width:0}
.sidebar-card .list-item .info .title{font-size:0.9rem;font-weight:600;color:var(--clr-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.sidebar-card .list-item .info .title:hover{color:var(--clr-primary-light)}
.sidebar-card .list-item .info .date{font-size:0.75rem;color:var(--clr-text-muted);margin-top:4px}
.sidebar-card .tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.sidebar-card .tag-cloud a{padding:5px 14px;border-radius:var(--radius-xl);background:rgba(108,92,231,0.08);border:1px solid var(--clr-border);font-size:0.8rem;color:var(--clr-text-secondary);transition:all var(--transition)}
.sidebar-card .tag-cloud a:hover{background:rgba(108,92,231,0.2);color:var(--clr-primary-light);border-color:var(--clr-primary);transform:translateY(-1px)}

/* ===== CTA ===== */
.cta-block{background:var(--clr-bg-alt);padding:50px 0;text-align:center;border-top:1px solid var(--clr-border);border-bottom:1px solid var(--clr-border)}
.cta-block h3{font-size:1.8rem;font-weight:800;margin-bottom:12px}
.cta-block p{max-width:560px;margin:0 auto 24px;color:var(--clr-text-muted)}
.cta-block .btn-cta{padding:14px 40px;font-size:1.05rem}

/* ===== Footer ===== */
.footer{background:var(--clr-bg-alt);border-top:1px solid var(--clr-border);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo{font-size:1.5rem;display:inline-block;margin-bottom:14px}
.footer-brand p{font-size:0.9rem;color:var(--clr-text-muted);max-width:360px;line-height:1.7}
.footer-col h5{font-size:0.95rem;font-weight:700;margin-bottom:16px;color:var(--clr-text)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:0.9rem;color:var(--clr-text-muted);transition:color var(--transition);display:inline-flex;align-items:center;gap:6px}
.footer-col ul li a:hover{color:var(--clr-primary-light);transform:translateX(4px)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid var(--clr-border-light);font-size:0.85rem;color:var(--clr-text-muted);flex-wrap:wrap;gap:12px}
.footer-bottom a{color:var(--clr-text-muted)}
.footer-bottom a:hover{color:var(--clr-primary-light)}

/* ===== Article Not Found ===== */
.not-found{text-align:center;padding:80px 20px}
.not-found .icon{font-size:4rem;margin-bottom:20px;opacity:0.4}
.not-found h2{font-size:2rem;margin-bottom:12px}
.not-found p{color:var(--clr-text-muted);margin-bottom:24px}
.not-found .btn-cta{display:inline-flex}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:36px}
  .article-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:20px}
  .page-banner h1{font-size:2.2rem}
}

@media(max-width:768px){
  :root{--header-h:64px}
  .nav-links{position:fixed;top:var(--header-h);left:0;right:0;background:rgba(15,15,26,0.96);backdrop-filter:blur(20px);flex-direction:column;padding:16px 24px 24px;gap:2px;border-bottom:1px solid var(--clr-border);transform:translateY(-120%);opacity:0;transition:all 0.4s cubic-bezier(0.4,0,0.2,1);pointer-events:none;border-radius:0 0 var(--radius-md) var(--radius-md);box-shadow:var(--shadow-lg)}
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{padding:12px 16px;width:100%;border-radius:var(--radius-sm);font-size:1rem}
  .nav-links a.active{background:rgba(108,92,231,0.15)}
  .hamburger{display:flex}
  .search-box{min-width:120px}
  .search-box.mobile-show{display:flex;width:100%;margin-top:8px}
  .nav-right .search-box{display:none}
  .page-banner{padding:110px 0 50px}
  .page-banner h1{font-size:1.7rem}
  .article-body{padding:24px 20px}
  .article-body .featured-image{margin:-24px -20px 24px}
  .article-sidebar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
  .cta-block h3{font-size:1.4rem}
  .btn-cta-small{display:none}
}

@media(max-width:520px){
  .container{padding:0 16px}
  .page-banner h1{font-size:1.4rem}
  .page-banner .meta{font-size:0.8rem;gap:10px}
  .article-body{padding:18px 14px}
  .article-body .featured-image{margin:-18px -14px 18px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .sidebar-card{padding:18px}
  .cta-block{padding:36px 0}
  .cta-block .btn-cta{padding:12px 28px;font-size:0.95rem}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6C3FAA;
            --primary-light: #8B5CF6;
            --primary-dark: #4C2A7A;
            --primary-gradient: linear-gradient(135deg, #6C3FAA 0%, #8B5CF6 50%, #A78BFA 100%);
            --accent: #F59E0B;
            --accent-light: #FCD34D;
            --bg-body: #0B0D17;
            --bg-card: rgba(255, 255, 255, 0.05);
            --bg-card-hover: rgba(255, 255, 255, 0.09);
            --bg-glass: rgba(11, 13, 23, 0.75);
            --bg-glass-border: rgba(255, 255, 255, 0.12);
            --text-primary: #F1F0F6;
            --text-secondary: #B8B5C3;
            --text-muted: #7A7790;
            --border-color: rgba(255, 255, 255, 0.08);
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            min-height: 100vh;
        }

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

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

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

        ul {
            list-style: none;
        }

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

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

        /* ===== Header / 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--bg-glass-border);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .header.scrolled {
            background: rgba(11, 13, 23, 0.92);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

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

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 0;
            position: relative;
            transition: color var(--transition);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
            transition: width var(--transition);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }

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

        .nav-links a.active {
            color: #fff;
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 100px;
            padding: 4px 16px 4px 12px;
            transition: border-color var(--transition), background var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary-light);
            background: rgba(255, 255, 255, 0.09);
        }

        .search-icon {
            font-size: 1rem;
            margin-right: 8px;
            opacity: 0.6;
        }

        .search-box input {
            padding: 8px 0;
            width: 140px;
            background: transparent;
            color: var(--text-primary);
            font-size: 0.9rem;
        }

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

        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 63, 170, 0.4);
        }

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

        .btn-cta-small {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 4px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(11, 13, 23, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px 32px 32px;
                gap: 20px;
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.4s ease, opacity 0.4s ease;
                border-bottom: 1px solid var(--bg-glass-border);
                z-index: 999;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }

            .nav-links a {
                font-size: 1.1rem;
                padding: 8px 0;
            }

            .nav-right .search-box {
                display: none;
            }

            .nav-right .btn-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-show.search-box {
                display: flex !important;
                width: 100%;
                margin-top: 8px;
            }

            .mobile-show.search-box input {
                width: 100%;
            }
        }

        @media (min-width: 769px) {
            .mobile-show.search-box {
                display: none !important;
            }
        }

        /* ===== Banner ===== */
        .category-banner {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, rgba(11, 13, 23, 0.92) 0%, rgba(108, 63, 170, 0.35) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            position: relative;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .category-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

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

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

        .category-banner .breadcrumb .sep {
            opacity: 0.4;
        }

        .category-banner h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-banner .subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }

        .category-banner .stats-row {
            display: flex;
            gap: 40px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .category-banner .stat-item {
            display: flex;
            flex-direction: column;
        }

        .category-banner .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .category-banner .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .category-banner {
                padding: 120px 0 60px;
            }

            .category-banner h1 {
                font-size: 2rem;
            }

            .category-banner .subtitle {
                font-size: 1rem;
            }

            .category-banner .stats-row {
                gap: 24px;
            }

            .category-banner .stat-number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .category-banner h1 {
                font-size: 1.7rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 560px;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .section-header .section-title {
            margin-bottom: 4px;
        }

        .section-header .section-subtitle {
            margin-bottom: 0;
        }

        .section-link {
            color: var(--primary-light);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color var(--transition);
            white-space: nowrap;
        }

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

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

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

            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }

            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ===== 攻略卡片网格 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card), var(--shadow-glow);
            background: var(--bg-card-hover);
        }

        .guide-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
        }

        .guide-card .card-body {
            padding: 20px 24px 24px;
        }

        .guide-card .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 100px;
            background: rgba(139, 92, 246, 0.2);
            color: var(--primary-light);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 12px;
        }

        .guide-card .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            transition: color var(--transition);
        }

        .guide-card:hover .card-title {
            color: var(--primary-light);
        }

        .guide-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .guide-card .card-meta .views {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .guide-grid {
                grid-template-columns: 1fr;
            }

            .guide-card .card-body {
                padding: 16px 20px 20px;
            }
        }

        /* ===== 筛选标签 ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 36px;
        }

        .filter-tag {
            padding: 8px 20px;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
        }

        .filter-tag:hover {
            background: rgba(139, 92, 246, 0.12);
            border-color: var(--primary-light);
            color: var(--text-primary);
        }

        .filter-tag.active {
            background: var(--primary-gradient);
            border-color: transparent;
            color: #fff;
            font-weight: 600;
        }

        /* ===== 热门攻略 特色布局 ===== */
        .featured-guide {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-bottom: 40px;
        }

        .featured-main {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
            position: relative;
        }

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

        .featured-main .featured-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .featured-main .featured-body {
            padding: 24px 28px 28px;
        }

        .featured-main .featured-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 100px;
            background: var(--accent);
            color: #1a1a2e;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .featured-main .featured-title {
            font-size: 1.5rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 8px;
        }

        .featured-main .featured-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .featured-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .featured-side-item {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            transition: background var(--transition), transform var(--transition);
            cursor: pointer;
            align-items: center;
        }

        .featured-side-item:hover {
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .featured-side-item .rank {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary-light);
            min-width: 32px;
            text-align: center;
        }

        .featured-side-item .side-content {
            flex: 1;
        }

        .featured-side-item .side-title {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 2px;
        }

        .featured-side-item .side-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        @media (max-width: 900px) {
            .featured-guide {
                grid-template-columns: 1fr;
            }

            .featured-main .featured-title {
                font-size: 1.25rem;
            }
        }

        /* ===== 攻略分类入口 ===== */
        .category-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
            cursor: pointer;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card), var(--shadow-glow);
            background: var(--bg-card-hover);
        }

        .category-card .cat-icon {
            font-size: 2.4rem;
            margin-bottom: 12px;
        }

        .category-card .cat-name {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .category-card .cat-count {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        @media (max-width: 900px) {
            .category-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

        /* ===== 攻略步骤 / 流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            counter-reset: step;
        }

        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 32px 28px;
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .step-item::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 3rem;
            font-weight: 800;
            color: rgba(139, 92, 246, 0.12);
            line-height: 1;
        }

        .step-item .step-icon {
            font-size: 2rem;
            margin-bottom: 16px;
            display: block;
        }

        .step-item .step-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .step-item .step-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 900px) {
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

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

        /* ===== FAQ ===== */
        .faq-list {
            display: grid;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(139, 92, 246, 0.25);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-question .faq-icon {
            font-size: 1.2rem;
            transition: transform var(--transition);
            color: var(--primary-light);
            flex-shrink: 0;
            margin-left: 12px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(108, 63, 170, 0.2) 0%, rgba(11, 13, 23, 0.95) 100%), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 500px;
            margin: 0 auto 32px;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid rgba(255, 255, 255, 0.2);
            color: var(--text-primary);
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-outline:hover {
            border-color: var(--primary-light);
            background: rgba(139, 92, 246, 0.1);
            transform: translateY(-2px);
        }

        @media (max-width: 600px) {
            .cta-section {
                padding: 40px 24px;
            }

            .cta-section .cta-title {
                font-size: 1.5rem;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 32px;
            margin-top: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            font-size: 1.4rem;
            display: inline-block;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

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

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

        /* ===== 滚动渐入动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 768px) {
            .filter-bar {
                gap: 8px;
            }

            .filter-tag {
                padding: 6px 16px;
                font-size: 0.82rem;
            }
        }