/* roulang page: index */
:root {
  --color-primary: #e63946;
  --color-primary-deep: #b0232c;
  --color-gold: #f4a261;
  --color-bg: #0b101c;
  --color-bg-alt: #101827;
  --color-surface: #141e2e;
  --color-surface-2: #1a2638;
  --color-text: #e8edf4;
  --color-muted: #93a1b5;
  --color-line: rgba(255, 255, 255, 0.08);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 18px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 32px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 18px 52px rgba(0, 0, 0, 0.45);
  --shadow-primary: 0 8px 24px rgba(230, 57, 70, 0.35);
  --max-w: 1200px;
  --space-section: 100px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; color: inherit; }
input, textarea { font-family: inherit; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: 4px;
}
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space-section) 0; }
.section-dark { background: var(--color-bg-alt); }
.section-head {
  max-width: 720px;
  margin: 0 auto 52px;
  text-align: center;
}
.section-tag {
  display: inline-block;
  padding: 7px 18px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-gold);
  background: rgba(244, 162, 97, 0.1);
  border: 1px solid rgba(244, 162, 97, 0.25);
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-title {
  font-size: 36px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}
.section-subtitle {
  font-size: 17px;
  color: var(--color-muted);
  line-height: 1.8;
}
.site-header {
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  justify-content: center;
  padding: 0 16px;
  pointer-events: none;
}
.dock-nav {
  pointer-events: auto;
  width: 100%;
  max-width: 1120px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 16px 10px 24px;
  background: rgba(10, 16, 28, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  box-shadow: 0 8px 36px rgba(0, 0, 0, 0.4);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.dock-nav:hover {
  background: rgba(12, 18, 32, 0.9);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--color-text);
  white-space: nowrap;
  transition: color 0.25s ease;
}
.nav-logo::before {
  content: "";
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-gold));
  box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
  flex-shrink: 0;
}
.nav-logo:hover { color: var(--color-gold); }
.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: 1;
}
.nav-link {
  display: block;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-muted);
  white-space: nowrap;
  transition: all 0.25s ease;
}
.nav-link:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}
.nav-link.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-deep));
  box-shadow: var(--shadow-primary);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: var(--shadow-primary);
  transition: all 0.3s ease;
}
.btn-nav:hover {
  background: var(--color-primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(230, 57, 70, 0.45);
}
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-size: 18px;
}
.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 200px 24px 120px;
  overflow: hidden;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 20, 0.55) 0%, rgba(7, 11, 20, 0.35) 40%, rgba(7, 11, 20, 0.75) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 20%, rgba(7, 11, 20, 0.5) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-gold);
  background: rgba(244, 162, 97, 0.12);
  border: 1px solid rgba(244, 162, 97, 0.3);
  border-radius: 999px;
  backdrop-filter: blur(6px);
}
.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 10px rgba(244, 162, 97, 0.8);
}
.hero-title {
  font-size: 54px;
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: 1px;
  margin: 22px 0 22px;
  background: linear-gradient(135deg, #ffffff 30%, #f4a261 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 18px;
  line-height: 1.9;
  color: rgba(232, 237, 244, 0.85);
  max-width: 620px;
  margin: 0 auto 34px;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  transition: all 0.3s ease;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
  background: var(--color-primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(230, 57, 70, 0.5);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}
.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(232, 237, 244, 0.75);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  backdrop-filter: blur(6px);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  position: relative;
  padding: 40px 32px 36px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
  opacity: 0.6;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.14);
}
.feature-icon {
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  font-size: 24px;
  color: var(--color-gold);
  background: rgba(244, 162, 97, 0.12);
  border: 1px solid rgba(244, 162, 97, 0.2);
  margin-bottom: 22px;
}
.feature-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.4;
}
.feature-text {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.8;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.category-card {
  position: relative;
  display: block;
  height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.category-card:hover img {
  transform: scale(1.07);
}
.category-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 20%, rgba(8, 12, 22, 0.92) 100%);
}
.category-info {
  position: absolute;
  z-index: 2;
  left: 22px;
  right: 22px;
  bottom: 22px;
}
.category-info h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 6px;
}
.category-info p {
  font-size: 14px;
  color: rgba(232, 237, 244, 0.72);
  margin-bottom: 14px;
  line-height: 1.6;
}
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-gold);
  transition: gap 0.3s ease;
}
.category-card:hover .category-link {
  gap: 14px;
}
.stats-section {
  padding: 90px 0;
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, #152036 100%);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item {
  text-align: center;
  padding: 20px 12px;
}
.stat-item strong {
  display: block;
  font-size: 44px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 1px;
  background: linear-gradient(135deg, #fff, var(--color-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.stat-item span {
  font-size: 15px;
  color: var(--color-muted);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition: all 0.35s ease;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.14);
}
.news-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 26px 28px;
}
.news-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.news-tag {
  display: inline-block;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-gold);
  background: rgba(244, 162, 97, 0.1);
  border: 1px solid rgba(244, 162, 97, 0.2);
  border-radius: 999px;
}
.news-arrow {
  font-size: 18px;
  color: var(--color-muted);
  transition: color 0.3s ease, transform 0.3s ease;
}
.news-card:hover .news-arrow {
  color: var(--color-gold);
  transform: translateX(4px);
}
.news-link h3 {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-link p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 18px;
}
.news-meta time {
  font-size: 13px;
  color: var(--color-muted);
}
.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  padding: 56px 24px;
  background: var(--color-surface);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-lg);
  color: var(--color-muted);
  font-size: 16px;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-card {
  position: relative;
  padding: 38px 28px 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  transition: all 0.35s ease;
}
.step-card:hover {
  background: var(--color-surface-2);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.step-num {
  display: inline-block;
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-gold);
  margin-bottom: 20px;
}
.step-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 10px;
}
.step-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.75;
}
.faq-section {
  background: var(--color-bg-alt);
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
}
.faq-item.is-open {
  border-color: rgba(244, 162, 97, 0.3);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 700;
  text-align: left;
  color: var(--color-text);
  transition: color 0.25s ease;
}
.faq-question:hover {
  color: var(--color-gold);
}
.faq-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-gold);
  transition: transform 0.35s ease, background 0.3s ease;
}
.faq-item.is-open .faq-toggle {
  transform: rotate(45deg);
  background: rgba(244, 162, 97, 0.2);
}
.faq-answer {
  display: none;
  padding: 0 26px 24px;
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.85;
}
.faq-item.is-open .faq-answer {
  display: block;
}
.cta-section {
  padding: 100px 0 120px;
}
.cta-box {
  position: relative;
  padding: 70px 60px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.16), rgba(244, 162, 97, 0.08)), var(--color-surface);
  border: 1px solid rgba(244, 162, 97, 0.22);
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.2), transparent 70%);
}
.cta-box h2 {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.cta-box p {
  max-width: 560px;
  margin: 0 auto 30px;
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.8;
}
.site-footer {
  border-top: 1px solid var(--color-line);
  background: #080d16;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  padding: 64px 24px 44px;
}
.footer-brand .nav-logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--color-muted);
  max-width: 320px;
  line-height: 1.8;
}
.footer-links h4 {
  font-size: 15px;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 18px;
}
.footer-links a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: var(--color-muted);
  transition: color 0.25s ease, transform 0.25s ease;
}
.footer-links a:hover {
  color: var(--color-gold);
  transform: translateX(4px);
}
.footer-bottom {
  padding: 22px 24px;
  border-top: 1px solid var(--color-line);
  text-align: center;
  font-size: 13px;
  color: var(--color-muted);
}
.footer-bottom span {
  display: inline-block;
  margin: 0 10px;
}
@media (max-width: 1024px) {
  .feature-grid, .category-grid {
    gap: 20px;
  }
  .feature-card {
    padding: 32px 24px 28px;
  }
  .stats-grid {
    gap: 16px;
  }
  .stat-item strong {
    font-size: 36px;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-title {
    font-size: 44px;
  }
  .nav-links {
    gap: 2px;
  }
  .nav-link {
    padding: 9px 14px;
  }
}
@media (max-width: 860px) {
  .dock-nav {
    max-width: 100%;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-links {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 18px;
    background: rgba(10, 16, 28, 0.97);
    border: 1px solid var(--color-line);
    border-radius: 22px;
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav-links.is-open {
    display: flex;
  }
  .nav-link {
    width: 100%;
    padding: 12px 18px;
  }
  .feature-grid,
  .category-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .cta-box {
    padding: 50px 30px;
  }
  .cta-box h2 {
    font-size: 26px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .section {
    padding: 70px 0;
  }
  .hero {
    min-height: 640px;
    padding: 160px 20px 90px;
  }
  .hero-title {
    font-size: 38px;
  }
  .hero-subtitle {
    font-size: 16px;
  }
}
@media (max-width: 520px) {
  .section-title {
    font-size: 27px;
  }
  .section-subtitle {
    font-size: 15px;
  }
  .hero {
    padding-top: 150px;
  }
  .hero-title {
    font-size: 31px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .stat-item {
    padding: 12px;
  }
  .stat-item strong {
    font-size: 32px;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .btn-nav {
    display: none;
  }
  .dock-nav {
    padding-left: 18px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #e6a23c;
  --primary-dark: #c8842c;
  --accent: #ff6b4a;
  --bg-dark: #0b1422;
  --bg-deep: #0f1b2c;
  --bg-light: #f4f6fa;
  --bg-white: #ffffff;
  --text-main: #222c3a;
  --text-muted: #607089;
  --border-light: #e3e8f0;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, .06);
  --shadow-md: 0 10px 28px rgba(15, 23, 42, .08);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, .14);
  --transition: all .25s ease;
  --font-base: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  background: var(--bg-light);
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== 浮动 Dock 导航 ========== */
.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 36px);
  max-width: 1120px;
}

.dock-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(11, 20, 34, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: 60px;
  padding: 0 28px;
  height: 64px;
  box-shadow: 0 10px 40px rgba(5, 10, 20, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.nav-logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #fff;
  background: linear-gradient(135deg, #f5c76a 0%, #e6a23c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

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

.nav-link {
  color: rgba(255, 255, 255, 0.68);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 40px;
  transition: var(--transition);
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-link.is-active {
  color: #fff;
  background: rgba(230, 162, 60, 0.16);
  box-shadow: inset 0 0 0 1px rgba(230, 162, 60, 0.35);
}

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

.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #f5c76a, #e6a23c);
  color: #17202e;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 40px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(230, 162, 60, 0.3);
}

.btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(230, 162, 60, 0.42);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 17px;
  cursor: pointer;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.16);
}

/* ========== 分类 Hero ========== */
.cat-hero {
  position: relative;
  padding: 170px 0 90px;
  background: linear-gradient(135deg, rgba(11, 20, 34, 0.94), rgba(15, 27, 44, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
}

.cat-hero::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 60px;
  background: linear-gradient(to top, #f4f6fa, rgba(244, 246, 250, 0));
  pointer-events: none;
}

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

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 18px;
  border-radius: 40px;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: #f5c76a;
}

.breadcrumb .sep {
  opacity: 0.5;
  font-size: 12px;
}

.breadcrumb .current {
  color: #f5c76a;
}

.cat-hero h1 {
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 900;
  letter-spacing: 2px;
  line-height: 1.25;
  margin-bottom: 18px;
  background: linear-gradient(135deg, #fff 30%, #f1c66d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cat-hero .hero-sub {
  max-width: 720px;
  margin: 0 auto 32px;
  font-size: 17px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
}

.hero-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  padding: 8px 18px;
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.85);
}

.hero-tag i {
  color: #f5c76a;
}

/* ========== 通用 Section ========== */
.section {
  padding: 90px 0;
}

.section.alt {
  background: var(--bg-white);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary-dark);
  background: rgba(230, 162, 60, 0.1);
  padding: 5px 16px;
  border-radius: 40px;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-main);
  margin-bottom: 12px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ========== 分类简介 ========== */
.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.intro-copy h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.4;
}

.intro-copy h2 span {
  color: var(--primary);
}

.intro-copy p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.9;
  margin-bottom: 16px;
}

.intro-features {
  display: grid;
  gap: 18px;
}

.feature-card {
  display: flex;
  gap: 18px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-icon {
  flex: 0 0 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(230, 162, 60, 0.15), rgba(255, 107, 74, 0.12));
  color: var(--primary-dark);
  font-size: 19px;
}

.feature-text h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.feature-text p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

/* ========== 赛事卡片 ========== */
.match-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.match-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.match-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.match-media {
  position: relative;
  height: 190px;
  overflow: hidden;
}

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

.match-card:hover .match-media img {
  transform: scale(1.05);
}

.match-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 20, 34, 0.55), transparent);
}

.match-status {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 13px;
  border-radius: 30px;
  color: #fff;
  background: rgba(11, 20, 34, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.match-status.live {
  background: rgba(230, 60, 60, 0.85);
}

.match-status.live::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #fff;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.match-body {
  padding: 22px 24px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.match-league {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-dark);
  background: rgba(230, 162, 60, 0.1);
  padding: 4px 12px;
  border-radius: 30px;
  width: fit-content;
  margin-bottom: 12px;
}

.match-body h3 {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 8px;
}

.match-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.match-meta i {
  color: var(--primary);
  margin-right: 4px;
}

.scoreboard {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  margin-top: auto;
  font-size: 15px;
  font-weight: 700;
}

.scoreboard .teams {
  flex: 1;
}

.scoreboard .score {
  font-size: 20px;
  font-weight: 900;
  color: var(--text-main);
  letter-spacing: 1px;
}

/* ========== 赛程时间线 ========== */
.schedule-section {
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  position: relative;
}

.schedule-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(11, 20, 34, 0.92);
}

.schedule-section .container {
  position: relative;
  z-index: 1;
}

.schedule-section .section-head h2,
.schedule-section .section-head p {
  color: #fff;
}

.schedule-section .section-head p {
  color: rgba(255, 255, 255, 0.6);
}

.schedule-section .eyebrow {
  background: rgba(230, 162, 60, 0.18);
}

.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 26px;
  width: 2px;
  background: linear-gradient(to bottom, rgba(230, 162, 60, 0.6), rgba(230, 162, 60, 0.1));
}

.timeline-item {
  position: relative;
  padding-left: 76px;
  padding-bottom: 40px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: 16px;
  top: 6px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 4px solid var(--primary);
  box-shadow: 0 0 0 5px rgba(230, 162, 60, 0.2);
}

.timeline-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.timeline-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(4px);
}

.timeline-time {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: #f5c76a;
  margin-bottom: 6px;
}

.timeline-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.timeline-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  margin: 0;
}

/* ========== 数据面板 ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.stat-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, #fdf3e3, #fce8cc);
  color: var(--primary-dark);
  font-size: 22px;
}

.stat-number {
  font-size: 42px;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--text-main);
  line-height: 1.2;
}

.stat-number span {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ========== 热门看点 ========== */
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-item {
  display: flex;
  gap: 20px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.feature-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-num {
  flex: 0 0 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: var(--primary-dark);
  background: rgba(230, 162, 60, 0.12);
  border-radius: 12px;
}

.feature-item h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.feature-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(230, 162, 60, 0.35);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
  position: relative;
}

.faq-question::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--primary);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-question::after {
  transform: rotate(180deg);
}

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

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

/* ========== CTA ========== */
.cta-section {
  padding: 90px 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(11, 20, 34, 0.88);
}

.cta-box {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-box h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}

.cta-box p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #f5c76a, #e6a23c);
  color: #17202e;
  font-size: 15px;
  font-weight: 800;
  padding: 13px 32px;
  border-radius: 40px;
  transition: var(--transition);
  box-shadow: 0 6px 22px rgba(230, 162, 60, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(230, 162, 60, 0.5);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 32px;
  border-radius: 40px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  transition: var(--transition);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 66px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}

.footer-brand .nav-logo {
  font-size: 24px;
  margin-bottom: 14px;
  display: inline-block;
}

.footer-brand p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  max-width: 380px;
}

.footer-links {
  display: grid;
  gap: 12px;
}

.footer-links h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.footer-links a {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
  width: fit-content;
}

.footer-links a:hover {
  color: #f5c76a;
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}

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

  .match-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .site-header {
    top: 12px;
    width: calc(100% - 24px);
  }

  .dock-nav {
    height: 58px;
    padding: 0 16px;
  }

  .nav-links {
    position: fixed;
    top: 78px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 40px);
    flex-direction: column;
    background: rgba(11, 20, 34, 0.96);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 18px;
    gap: 6px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 40px rgba(5, 10, 20, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .nav-links.is-open {
    opacity: 1;
    visibility: visible;
    top: 68px;
  }

  .nav-link {
    display: block;
    width: 100%;
    text-align: left;
    padding: 12px 18px;
    border-radius: 12px;
    font-size: 16px;
  }

  .btn-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .cat-hero {
    padding: 140px 0 70px;
  }

  .cat-hero h1 {
    font-size: 34px;
  }

  .cat-hero .hero-sub {
    font-size: 15px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-number {
    font-size: 32px;
  }

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

  .section {
    padding: 64px 0;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .timeline::before {
    left: 18px;
  }

  .timeline-item {
    padding-left: 58px;
  }

  .timeline-dot {
    left: 10px;
    width: 18px;
    height: 18px;
  }

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

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

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

  .match-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

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

  .intro-copy h2 {
    font-size: 24px;
  }

  .feature-card {
    flex-direction: column;
    gap: 12px;
  }

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

  .hero-tags {
    gap: 8px;
  }

  .hero-tag {
    font-size: 13px;
    padding: 6px 14px;
  }

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

  .btn-primary,
  .btn-outline-light {
    width: 100%;
    justify-content: center;
  }
}

/* roulang page: article */
:root{
  --bg-deep:#070C1D;
  --bg-body:#0C1428;
  --surface:#121C36;
  --surface-2:#182442;
  --primary:#F0B429;
  --primary-light:#FFD45E;
  --primary-dark:#D89A16;
  --text:#EDF1FA;
  --text-muted:#93A1B8;
  --text-dim:#5F6F8A;
  --border:rgba(255,255,255,.07);
  --border-light:rgba(255,255,255,.14);
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:26px;
  --shadow-sm:0 4px 20px rgba(0,0,0,.28);
  --shadow:0 18px 50px rgba(0,0,0,.38);
  --transition:.25s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg-body);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ========= 导航 ========= */
.site-header{
  position:sticky;top:0;z-index:200;
  padding:16px 24px 0;
  pointer-events:none;
}
.site-header .dock-nav{
  pointer-events:auto;
  max-width:1180px;
  margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:rgba(10,16,34,.88);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--border);
  border-radius:999px;
  padding:10px 20px 10px 26px;
  box-shadow:0 10px 44px rgba(0,0,0,.45);
  transition:box-shadow var(--transition);
}
.site-header .dock-nav:hover{box-shadow:0 14px 52px rgba(0,0,0,.5)}
.nav-logo{
  font-size:20px;font-weight:800;
  color:var(--primary);
  letter-spacing:.6px;
  display:flex;align-items:center;gap:8px;
  flex-shrink:0;
}
.nav-logo i{font-size:18px}
.nav-links{display:flex;gap:4px;flex:1;justify-content:center;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-link{
  padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-muted);
  white-space:nowrap;
  transition:all var(--transition);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.07)}
.nav-link.is-active{
  color:var(--bg-deep);background:var(--primary);
  font-weight:600;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-nav{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 18px;border-radius:999px;
  background:linear-gradient(135deg,var(--primary),#E89A16);
  color:var(--bg-deep);font-weight:600;font-size:13px;
  transition:all var(--transition);
  box-shadow:0 4px 18px rgba(240,180,41,.25);
}
.btn-nav:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 28px rgba(240,180,41,.4);
}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,.08);
  border:1px solid var(--border);
  align-items:center;justify-content:center;
  font-size:17px;color:var(--text);
  transition:background var(--transition);
}
.nav-toggle:hover{background:rgba(255,255,255,.14)}

/* ========= Hero ========= */
.article-hero{
  position:relative;
  padding:130px 0 140px;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  margin-top:-78px;
}
.article-hero::before{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,29,.75) 0%,rgba(12,20,40,.88) 55%,var(--bg-body) 100%);
}
.article-hero .container{
  position:relative;z-index:1;
  max-width:900px;text-align:center;
  padding-top:70px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(240,180,41,.15);
  border:1px solid rgba(240,180,41,.35);
  color:var(--primary);
  font-size:13px;font-weight:600;
  padding:7px 18px;border-radius:999px;
  margin-bottom:22px;
  letter-spacing:.5px;
}
.article-hero h1{
  font-size:clamp(28px,4.4vw,48px);
  font-weight:800;
  line-height:1.3;
  color:var(--text);
  margin-bottom:24px;
  letter-spacing:.5px;
  text-shadow:0 4px 30px rgba(0,0,0,.45);
}
.hero-meta{
  display:flex;align-items:center;justify-content:center;gap:22px;
  flex-wrap:wrap;
  font-size:14px;color:var(--text-muted);
}
.hero-meta .meta-item{
  display:inline-flex;align-items:center;gap:7px;
}
.hero-meta .meta-item i{color:var(--primary);font-size:13px}

/* ========= 面包屑 ========= */
.breadcrumb{
  display:flex;align-items:center;gap:9px;
  padding:26px 0 0;
  font-size:13px;color:var(--text-muted);
  flex-wrap:wrap;
}
.breadcrumb a{
  color:var(--text-muted);
  transition:color var(--transition);
}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb i{font-size:10px;color:var(--text-dim)}
.breadcrumb .current{
  color:var(--text);
  max-width:260px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ========= 文章主体 ========= */
.article-wrapper{
  max-width:900px;
  margin:-76px auto 0;
  position:relative;z-index:2;
  padding-bottom:10px;
}
.article-main{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:50px 56px 40px;
  box-shadow:var(--shadow);
}
.not-found{
  text-align:center;
  padding:70px 30px;
}
.not-found i{
  font-size:52px;color:var(--text-dim);margin-bottom:20px;
}
.not-found h3{
  font-size:26px;color:var(--text);margin-bottom:12px;
}
.not-found p{color:var(--text-muted);margin-bottom:28px;font-size:15px}
.btn-primary{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 30px;border-radius:999px;
  background:linear-gradient(135deg,var(--primary),#E89A16);
  color:var(--bg-deep);
  font-weight:600;font-size:14px;
  transition:all var(--transition);
  box-shadow:0 5px 22px rgba(240,180,41,.3);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 34px rgba(240,180,41,.42);
}

/* ========= 正文排版 ========= */
.article-content{
  color:#C6CFE0;
  font-size:16px;
  line-height:1.95;
}
.article-content > * + *{margin-top:22px}
.article-content h2{
  font-size:24px;font-weight:700;color:var(--text);
  padding-left:16px;
  border-left:4px solid var(--primary);
  border-radius:2px;
  margin-top:40px !important;
  margin-bottom:18px !important;
  line-height:1.4;
}
.article-content h3{
  font-size:20px;font-weight:700;color:var(--text);
  margin-top:32px !important;
  margin-bottom:14px !important;
}
.article-content p{
  color:#C6CFE0;
  margin-bottom:0;
}
.article-content a{
  color:var(--primary);
  border-bottom:1px solid rgba(240,180,41,.35);
  transition:all var(--transition);
}
.article-content a:hover{
  color:var(--primary-light);
  border-color:var(--primary-light);
}
.article-content blockquote{
  border-left:4px solid var(--primary);
  background:rgba(240,180,41,.06);
  padding:18px 24px;
  border-radius:0 14px 14px 0;
  color:var(--text-muted);
  font-size:15px;
  font-style:normal;
}
.article-content blockquote p{margin:0;color:var(--text-muted)}
.article-content ul,
.article-content ol{
  padding-left:4px;
  list-style:none;
  margin-top:0;
}
.article-content ul li{
  position:relative;
  padding-left:23px;
  margin-bottom:10px;
  color:#C6CFE0;
}
.article-content ul li::before{
  content:'';
  position:absolute;left:2px;top:11px;
  width:8px;height:8px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(240,180,41,.4);
}
.article-content ol{
  counter-reset:articleList;
}
.article-content ol li{
  counter-increment:articleList;
  position:relative;
  padding-left:36px;
  margin-bottom:10px;
  color:#C6CFE0;
}
.article-content ol li::before{
  content:counter(articleList);
  position:absolute;left:0;top:1px;
  width:24px;height:24px;
  border-radius:50%;
  background:rgba(240,180,41,.15);
  border:1px solid rgba(240,180,41,.35);
  color:var(--primary);
  font-size:12px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
}
.article-content img{
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  margin:26px 0;
}
.article-content strong{color:var(--text);font-weight:600}
.article-content code{
  background:rgba(255,255,255,.07);
  padding:2px 8px;border-radius:6px;
  font-size:14px;color:var(--primary-light);
}

/* ========= 标签 & 分享 ========= */
.article-divider{
  height:1px;
  background:linear-gradient(90deg,transparent,var(--border-light),transparent);
  margin:42px 0 24px;
}
.article-tags{
  display:flex;flex-wrap:wrap;gap:9px;
  margin-bottom:24px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  padding:6px 14px;border-radius:999px;
  font-size:12px;color:var(--text-muted);
  transition:all var(--transition);
}
.tag:hover{
  background:rgba(240,180,41,.1);
  border-color:rgba(240,180,41,.3);
  color:var(--primary);
}
.tag i{font-size:11px}
.article-footer-meta{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;
  padding-top:4px;
}
.meta-left{
  display:flex;gap:10px;flex-wrap:wrap;
}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  padding:6px 14px;border-radius:999px;
  font-size:12px;color:var(--text-muted);
}
.meta-chip i{color:var(--primary);font-size:11px}
.share-block{
  display:flex;align-items:center;gap:9px;
  font-size:13px;color:var(--text-muted);
}
.share-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  color:var(--text-muted);
  transition:all var(--transition);
}
.share-btn:hover{
  background:var(--primary);
  color:var(--bg-deep);
  transform:translateY(-2px);
}

/* ========= 推荐阅读 ========= */
.recommend-section{
  padding:80px 0 20px;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:36px;
  gap:18px;flex-wrap:wrap;
}
.section-head .eyebrow{
  display:inline-block;
  font-size:12px;font-weight:600;
  letter-spacing:2px;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:6px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);
  font-weight:700;color:var(--text);
  line-height:1.3;
}
.section-head .section-desc{
  color:var(--text-muted);
  font-size:14px;
  max-width:420px;
  line-height:1.7;
}
.recommend-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
}
.recommend-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:all var(--transition);
}
.recommend-card:hover{
  transform:translateY(-7px);
  border-color:rgba(240,180,41,.3);
  box-shadow:var(--shadow);
}
.recommend-cover{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
}
.recommend-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.recommend-card:hover .recommend-cover img{
  transform:scale(1.06);
}
.cover-tag{
  position:absolute;top:14px;left:14px;
  background:rgba(7,12,29,.75);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.15);
  padding:4px 14px;border-radius:999px;
  font-size:12px;font-weight:500;color:var(--text);
}
.recommend-body{
  padding:22px 24px 24px;
  display:flex;flex-direction:column;flex:1;
}
.recommend-body h3{
  font-size:17px;font-weight:600;color:var(--text);
  line-height:1.45;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.recommend-body p{
  font-size:13px;color:var(--text-muted);
  line-height:1.7;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  flex:1;
}
.recommend-meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--text-dim);
}
.recommend-meta i{font-size:11px;color:var(--primary)}
.read-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);
  font-weight:500;
  transition:gap var(--transition);
}
.recommend-card:hover .read-more{gap:10px}

/* ========= CTA ========= */
.cta-section{
  padding:80px 0;
}
.cta-card{
  position:relative;
  background:linear-gradient(135deg,rgba(240,180,41,.14),rgba(18,28,54,.9)),var(--surface-2);
  border:1px solid rgba(240,180,41,.25);
  border-radius:var(--radius-lg);
  padding:64px 50px;
  text-align:center;
  overflow:hidden;
}
.cta-card::before{
  content:'';
  position:absolute;
  top:-60px;right:-60px;
  width:220px;height:220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(240,180,41,.2),transparent 70%);
  pointer-events:none;
}
.cta-card h2{
  font-size:clamp(24px,3vw,34px);
  color:var(--text);
  font-weight:800;
  margin-bottom:14px;
  letter-spacing:.5px;
}
.cta-card p{
  color:var(--text-muted);
  font-size:15px;
  max-width:520px;
  margin:0 auto 30px;
  line-height:1.8;
}
.cta-actions{
  display:flex;justify-content:center;gap:16px;
  flex-wrap:wrap;
}
.btn-secondary{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 28px;border-radius:999px;
  background:rgba(255,255,255,.07);
  border:1px solid var(--border-light);
  color:var(--text);
  font-weight:500;font-size:14px;
  transition:all var(--transition);
}
.btn-secondary:hover{
  background:rgba(255,255,255,.13);
  border-color:var(--primary);
  transform:translateY(-2px);
}

/* ========= 页脚 ========= */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--border);
  padding:56px 0 0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand .nav-logo{
  font-size:22px;
  margin-bottom:14px;
  display:inline-flex;
}
.footer-brand p{
  color:var(--text-muted);
  font-size:14px;
  line-height:1.8;
  max-width:390px;
}
.footer-links{
  display:flex;flex-direction:column;
  gap:6px;
}
.footer-links h4{
  color:var(--text);
  font-size:15px;font-weight:600;
  margin-bottom:10px;
  letter-spacing:1px;
}
.footer-links a{
  color:var(--text-muted);
  font-size:13px;
  padding:4px 0;
  transition:all var(--transition);
}
.footer-links a:hover{
  color:var(--primary);
  transform:translateX(4px);
}
.footer-bottom{
  border-top:1px solid var(--border);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-dim);
  flex-wrap:wrap;gap:10px;
}
.footer-bottom .container{
  display:flex;align-items:center;justify-content:space-between;
  width:100%;
  flex-wrap:wrap;gap:10px;
}

/* ========= 响应式 ========= */
@media (max-width:1024px){
  .container{padding:0 20px}
  .reccomend-grid{grid-template-columns:repeat(2,1fr)}
  .recommend-grid{grid-template-columns:repeat(2,1fr)}
  .article-main{padding:40px 34px}
}
@media (max-width:768px){
  .site-header{padding:14px 16px 0}
  .dock-nav{
    border-radius:20px;
    padding:10px 14px;
    flex-wrap:wrap;
  }
  .nav-links{
    display:none;
    position:absolute;
    top:calc(100% + 10px);
    left:14px;right:14px;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:18px;
    box-shadow:var(--shadow);
    padding:10px;
    flex-direction:column;
    gap:2px;
    width:auto;
  }
  .nav-links.open{display:flex}
  .nav-link{
    padding:12px 18px;
    border-radius:12px;
    font-size:15px;
  }
  .nav-actions .btn-nav{display:none}
  .nav-toggle{display:inline-flex}
  .article-hero{
    padding:110px 0 120px;
    margin-top:-78px;
  }
  .article-hero .container{padding-top:50px}
  .article-wrapper{margin:-56px 0 0;padding:0 16px}
  .article-main{padding:30px 22px;border-radius:18px}
  .breadcrumb{font-size:12px;padding-top:18px}
  .recommend-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .footer-bottom .container{flex-direction:column;text-align:center}
  .cta-card{padding:44px 24px;border-radius:18px}
}
@media (max-width:520px){
  .article-hero h1{font-size:25px;line-height:1.35}
  .hero-meta{gap:12px}
  .article-content{font-size:15px;line-height:1.85}
  .article-content h2{font-size:20px}
  .article-content h3{font-size:18px}
  .article-main{padding:24px 18px}
  .article-tags{gap:6px}
  .share-block .share-btn{width:32px;height:32px}
  .btn-primary,.btn-secondary{width:100%;justify-content:center}
  .container{padding:0 16px}
}

/* roulang page: category3 */
/* ========== 设计变量 ========== */
:root {
  --primary: #e8262c;
  --primary-dark: #b8121a;
  --primary-glow: rgba(232, 38, 44, 0.35);
  --accent: #f7b32b;
  --accent-soft: rgba(247, 179, 43, 0.15);
  --bg-dark: #080d17;
  --bg-deep: #0c1322;
  --bg-body: #0a101c;
  --bg-card: #111a2c;
  --bg-elevated: #16213a;
  --bg-hover: #1b2845;
  --text-main: #f0f4fa;
  --text-muted: #9fb0c8;
  --text-dim: #67789a;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 40px rgba(232, 38, 44, 0.15);
  --spacing-section: 100px;
  --container: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--bg-body);
  overflow-x: hidden;
}

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

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

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

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul, ol {
  list-style: none;
}

::selection {
  background: var(--primary);
  color: #fff;
}

/* ========== 滚动条 ========== */
::-webkit-scrollbar {
  width: 9px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: #2a3a5c;
  border-radius: 20px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3a4c72;
}

/* ========== 容器与通用 ========== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 2;
}

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

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

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(247, 179, 43, 0.25);
  padding: 6px 18px;
  border-radius: 40px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 8px 28px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(232, 38, 44, 0.45);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-main);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-3px);
}

.btn-light {
  background: #fff;
  color: var(--bg-dark);
}

.btn-light:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

/* ========== 站点头部 / Dock 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  pointer-events: none;
}

.dock-nav {
  max-width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(10, 16, 28, 0.82);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 60px;
  padding: 12px 18px 12px 26px;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.55);
  pointer-events: auto;
  transition: var(--transition);
}

.dock-nav:hover {
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.65);
}

.nav-logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #fff 20%, var(--accent) 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.nav-logo i {
  -webkit-text-fill-color: var(--primary);
  margin-right: 4px;
  font-size: 17px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 9px 18px;
  border-radius: 40px;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.07);
}

.nav-link.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 4px 20px var(--primary-glow);
  font-weight: 600;
}

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

.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 9px 20px;
  border-radius: 40px;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-nav:hover {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 6px 24px var(--primary-glow);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-size: 16px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

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

/* ========== Hero 首屏 ========== */
.page-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 160px 0 100px;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-deep) 50%, #141c30 100%);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--primary-glow), transparent 65%);
  pointer-events: none;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(247, 179, 43, 0.12), transparent 60%);
  pointer-events: none;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.22;
  pointer-events: none;
}

.page-hero .hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  padding: 8px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.hero-badge i {
  color: var(--accent);
}

.page-hero h1 {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  background: linear-gradient(135deg, #fff 30%, rgba(255, 255, 255, 0.7) 70%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero .hero-brief {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.9;
  max-width: 640px;
  margin: 0 auto 38px;
}

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

.hero-metrics {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.hero-metric {
  text-align: center;
}

.hero-metric .number {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.hero-metric .label {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ========== 面包屑 ========== */
.breadcrumb-bar {
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: relative;
  z-index: 5;
}

.breadcrumb-bar .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-dim);
}

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

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

.breadcrumb i {
  font-size: 11px;
}

.breadcrumb .current {
  color: var(--text-main);
  font-weight: 500;
}

/* ========== 百科分类卡片 ========== */
.category-section {
  background: var(--bg-body);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: var(--border-strong);
}

.category-card .card-img {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

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

.category-card:hover .card-img img {
  transform: scale(1.08);
}

.category-card .card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 13, 23, 0.95) 30%, rgba(8, 13, 23, 0.2) 75%, transparent);
}

.category-card .card-body {
  position: relative;
  z-index: 2;
  padding: 30px;
}

.category-card .card-icon {
  display: inline-flex;
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 20px;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 8px 24px var(--primary-glow);
}

.category-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
}

.category-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 18px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.category-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}

.category-card .card-meta span {
  font-size: 13px;
  color: var(--text-dim);
}

.category-card .card-meta a {
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.category-card .card-meta a:hover {
  gap: 10px;
}

/* ========== 精选百科精选 ========== */
.featured-section {
  background: linear-gradient(180deg, var(--bg-body) 0%, var(--bg-deep) 100%);
  position: relative;
}

.featured-section::before {
  content: '';
  position: absolute;
  top: 10%;
  right: 0;
  width: 500px;
  height: 400px;
  background: radial-gradient(circle, rgba(232, 38, 44, 0.06), transparent);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.featured-card {
  display: flex;
  background: rgba(17, 26, 44, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

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

.featured-card .featured-img {
  width: 220px;
  min-height: 220px;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}

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

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

.featured-card .featured-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
}

.featured-body .tag {
  align-self: flex-start;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 30px;
  margin-bottom: 12px;
}

.featured-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 10px;
}

.featured-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.featured-body .featured-link {
  margin-top: 14px;
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.featured-body .featured-link i {
  transition: transform 0.3s ease;
}

.featured-body .featured-link:hover i {
  transform: translateX(4px);
}

/* ========== 数据统计 ========== */
.stats-section {
  position: relative;
  background: var(--bg-dark);
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-card {
  background: rgba(17, 26, 44, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--primary);
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.stat-card .stat-icon {
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 14px;
}

.stat-card .stat-number {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.2;
  background: linear-gradient(135deg, #fff, rgba(255, 255, 255, 0.7));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card .stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ========== 学习路径时间线 ========== */
.path-section {
  background: var(--bg-body);
}

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

.path-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 50px;
  right: 50px;
  height: 2px;
  background: linear-gradient(to right, var(--primary), var(--accent), var(--primary));
  opacity: 0.3;
}

.path-card {
  position: relative;
  text-align: center;
  padding: 20px;
}

.path-step {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
  font-size: 22px;
  color: var(--accent);
}

.path-card:hover .path-step {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 12px 32px var(--primary-glow);
  transform: scale(1.06);
}

.path-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.path-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ========== 知识参考专区 ========== */
.ref-section {
  background: var(--bg-deep);
}

.ref-layout {
  display: flex;
  gap: 40px;
  align-items: center;
}

.ref-visual {
  flex: 1.1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
  min-height: 400px;
}

.ref-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.ref-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8, 13, 23, 0.3), rgba(8, 13, 23, 0.8));
}

.ref-content {
  flex: 1;
}

.ref-content .section-eyebrow {
  margin-bottom: 14px;
}

.ref-content h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
}

.ref-content>p {
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.9;
}

.ref-list {
  margin-bottom: 32px;
}

.ref-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.ref-list li:last-child {
  border-bottom: none;
}

.ref-list .check {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  margin-top: 4px;
}

.ref-list .text {
  font-size: 15px;
  color: var(--text-muted);
}

.ref-list .text strong {
  color: var(--text-main);
  font-weight: 600;
}

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

.faq-wrap {
  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);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  background: none;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  transition: var(--transition);
}

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

.faq-trigger .icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition);
}

.faq-item.active .faq-trigger .icon {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

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

.faq-answer .inner {
  padding: 0 26px 24px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 18px;
  margin-top: 2px;
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  background: var(--bg-dark);
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.14;
}

.cta-box {
  position: relative;
  z-index: 2;
  background: linear-gradient(135deg, rgba(232, 38, 44, 0.18), rgba(17, 26, 44, 0.85));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 70px 60px;
  text-align: center;
  box-shadow: var(--shadow);
}

.cta-box h2 {
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-box p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

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

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.footer-brand {
  max-width: 340px;
}

.footer-brand .nav-logo {
  font-size: 24px;
  display: inline-block;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

.footer-links {
  display: grid;
  gap: 10px;
  min-width: 220px;
}

.footer-links h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 6px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-dim);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  :root {
    --spacing-section: 80px;
  }

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

  .featured-card {
    flex-direction: column;
  }

  .featured-card .featured-img {
    width: 100%;
    min-height: 180px;
  }

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

  .path-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 20px;
  }

  .path-grid::before {
    display: none;
  }

  .ref-layout {
    flex-direction: column;
  }

  .ref-visual {
    width: 100%;
    min-height: 300px;
  }

  .nav-links {
    position: fixed;
    top: 86px;
    left: 20px;
    right: 20px;
    background: rgba(10, 16, 28, 0.97);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid var(--border);
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    box-shadow: var(--shadow);
    transform: translateY(-160%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

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

  .nav-link {
    display: block;
    text-align: center;
  }

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

@media (max-width: 768px) {
  :root {
    --spacing-section: 64px;
  }

  .dock-nav {
    padding: 10px 14px 10px 20px;
    max-width: calc(100% - 24px);
  }

  .nav-logo {
    font-size: 17px;
  }

  .btn-nav {
    padding: 8px 14px;
    font-size: 13px;
  }

  .btn-nav span {
    display: none;
  }

  .page-hero {
    min-height: auto;
    padding: 130px 0 70px;
  }

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

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

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

  .stat-card {
    padding: 28px 16px;
  }

  .stat-card .stat-number {
    font-size: 32px;
  }

  .cta-box {
    padding: 45px 24px;
  }

  .footer-top {
    flex-direction: column;
    gap: 28px;
  }

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

@media (max-width: 520px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero-metrics {
    gap: 20px;
  }

  .hero-metric .number {
    font-size: 24px;
  }

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

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

  .ref-visual {
    min-height: 220px;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .section-title {
    font-size: 25px;
  }

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

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

/* roulang page: category2 */
:root {
    --bg-page: #0a1019;
    --bg-section: #0e1621;
    --bg-card: #131e2d;
    --bg-card-hover: #192a3d;
    --bg-deep: #070c13;
    --accent: #f0a83a;
    --accent-hover: #ffbf55;
    --accent-soft: rgba(240, 168, 58, 0.12);
    --line: rgba(255, 255, 255, 0.08);
    --text-1: #eef2f8;
    --text-2: #a5b4cf;
    --text-3: #64748b;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.45);
    --container: 1200px;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-page);
    color: var(--text-1);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease;
}

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

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

.section {
    padding: 84px 0;
}

.section-head {
    max-width: 760px;
    margin: 0 auto 52px;
    text-align: center;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid rgba(240, 168, 58, 0.25);
    border-radius: 999px;
    padding: 6px 16px;
    text-transform: uppercase;
}

.section-title {
    font-size: 34px;
    line-height: 1.3;
    margin: 18px 0 12px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-1);
}

.section-desc {
    font-size: 16px;
    color: var(--text-2);
    line-height: 1.8;
}

/* Header - 浮动 Dock 导航 */
.site-header {
    position: fixed;
    top: 18px;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 20px;
}

.dock-nav {
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(10, 16, 25, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 10px 22px;
    box-shadow: var(--shadow-md);
    gap: 16px;
}

.nav-logo {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -0.3px;
    color: var(--text-1);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.nav-logo::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent);
}

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

.nav-link {
    position: relative;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-2);
    padding: 8px 16px;
    border-radius: 999px;
    transition: color 0.25s ease, background 0.25s ease;
}

.nav-link:hover {
    color: var(--text-1);
    background: rgba(255, 255, 255, 0.06);
}

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

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

.btn-nav {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--bg-deep);
    background: var(--accent);
    padding: 9px 20px;
    border-radius: 999px;
    transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    white-space: nowrap;
}

.btn-nav:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(240, 168, 58, 0.3);
}

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

.nav-toggle {
    width: 40px;
    height: 40px;
    display: none;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 18px;
    color: var(--text-1);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--line);
    transition: background 0.25s ease;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.12);
}

/* Hero 内页横幅 */
.page-hero {
    position: relative;
    padding: 180px 24px 96px;
    background: linear-gradient(135deg, rgba(7, 12, 19, 0.92) 0%, rgba(7, 12, 19, 0.72) 50%, rgba(7, 12, 19, 0.55) 100%),
        url('/assets/images/backpic/back-2.png') center / cover no-repeat;
    display: flex;
    align-items: center;
    min-height: 520px;
}

.page-hero::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 140px;
    background: linear-gradient(to top, var(--bg-page), transparent);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: var(--container);
    margin: 0 auto;
    width: 100%;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(240, 168, 58, 0.12);
    border: 1px solid rgba(240, 168, 58, 0.3);
    border-radius: 999px;
    padding: 7px 18px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 52px;
    line-height: 1.15;
    font-weight: 900;
    letter-spacing: -1px;
    margin-bottom: 18px;
    color: var(--text-1);
    max-width: 680px;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-2);
    max-width: 560px;
    margin-bottom: 32px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 36px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-1);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 7px 16px;
}

.hero-badge i {
    color: var(--accent);
}

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

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 700;
    color: var(--bg-deep);
    background: var(--accent);
    padding: 13px 30px;
    border-radius: 999px;
    transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(240, 168, 58, 0.35);
}

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

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-1);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--line);
    padding: 13px 30px;
    border-radius: 999px;
    transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(240, 168, 58, 0.4);
    transform: translateY(-2px);
}

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

/* 核心特性 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 34px 30px;
    transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 14px;
    margin-bottom: 22px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-1);
}

.feature-card p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-2);
}

/* 战术体系分类 */
.systems-section {
    background: var(--bg-section);
}

.systems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.system-card {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.system-card:hover {
    transform: translateY(-6px);
    border-color: rgba(240, 168, 58, 0.3);
    box-shadow: var(--shadow-lg);
}

.system-cover {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

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

.system-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(7, 12, 19, 0.7), transparent 60%);
}

.system-tag {
    position: absolute;
    left: 18px;
    bottom: 16px;
    z-index: 1;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-1);
    background: rgba(7, 12, 19, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    padding: 6px 14px;
    backdrop-filter: blur(6px);
}

.system-info {
    padding: 26px 28px 30px;
}

.system-info h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--text-1);
}

.system-info p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-2);
    margin-bottom: 18px;
}

.system-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    transition: gap 0.25s ease, color 0.25s ease;
}

.system-link:hover {
    color: var(--accent-hover);
    gap: 12px;
}

/* 文章列表 */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.article-card {
    display: flex;
    align-items: stretch;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.article-card:hover {
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.article-cover {
    width: 300px;
    min-height: 180px;
    flex-shrink: 0;
    overflow: hidden;
}

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

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

.article-body {
    flex: 1;
    padding: 26px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

.article-tag {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 999px;
    padding: 4px 12px;
}

.article-date,
.article-mins {
    font-size: 13px;
    color: var(--text-3);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 800;
    line-height: 1.4;
    color: var(--text-1);
    margin-bottom: 10px;
    transition: color 0.25s ease;
}

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

.article-body p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-2);
    margin-bottom: 16px;
}

.article-read {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    transition: gap 0.25s ease;
}

.article-read:hover {
    gap: 12px;
}

/* 方法论时间线 */
.method-section {
    background: var(--bg-section);
    position: relative;
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.method-step {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 30px 26px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.method-step:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.step-number {
    font-size: 40px;
    font-weight: 900;
    color: var(--accent);
    opacity: 0.8;
    line-height: 1;
    margin-bottom: 20px;
    display: block;
}

.step-content h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-1);
    margin-bottom: 10px;
}

.step-content p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-2);
}

/* 数据统计 */
.stats-section {
    background: var(--bg-deep);
    position: relative;
    padding: 70px 0;
}

.stats-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(240, 168, 58, 0.06), transparent 60%);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 28px 16px;
}

.stat-number {
    font-size: 44px;
    font-weight: 900;
    letter-spacing: -1px;
    color: var(--accent);
    line-height: 1.2;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 15px;
    color: var(--text-2);
}

/* FAQ */
.faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item.is-open {
    border-color: rgba(240, 168, 58, 0.35);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-1);
    text-align: left;
    transition: color 0.25s ease;
}

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

.faq-question i {
    font-size: 14px;
    color: var(--accent);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.is-open .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

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

.faq-answer p {
    padding: 0 24px 22px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-2);
}

/* CTA */
.cta-section {
    position: relative;
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(7, 12, 19, 0.92), rgba(7, 12, 19, 0.82)),
        url('/assets/images/backpic/back-3.png') center / cover no-repeat;
}

.cta-box {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: 38px;
    font-weight: 900;
    line-height: 1.3;
    color: var(--text-1);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.cta-desc {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-2);
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}

/* 页脚 */
.site-footer {
    background: var(--bg-deep);
    border-top: 1px solid var(--line);
    padding: 56px 24px 24px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--line);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-3);
    margin-top: 14px;
    max-width: 340px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links h4 {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-1);
    margin-bottom: 6px;
}

.footer-links a {
    font-size: 14px;
    color: var(--text-2);
    padding: 4px 0;
    transition: color 0.25s ease;
}

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

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 24px;
    font-size: 13px;
    color: var(--text-3);
}

/* 响应式 */
@media (max-width: 1024px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 44px;
    }

    .article-cover {
        width: 240px;
    }

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

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

    .section-title {
        font-size: 28px;
    }

    .page-hero {
        padding: 150px 20px 76px;
        min-height: auto;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .nav-links {
        position: absolute;
        top: calc(100% + 10px);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(10, 16, 25, 0.96);
        border: 1px solid var(--line);
        border-radius: 20px;
        padding: 14px;
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    }

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

    .nav-link {
        padding: 12px 18px;
        border-radius: 10px;
    }

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

    .btn-nav {
        display: none;
    }

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

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

    .article-card {
        flex-direction: column;
    }

    .article-cover {
        width: 100%;
        height: 200px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

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

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

@media (max-width: 520px) {
    .dock-nav {
        padding: 8px 14px;
        border-radius: 18px;
    }

    .nav-logo {
        font-size: 17px;
    }

    .nav-logo::before {
        display: none;
    }

    .page-hero {
        padding: 130px 16px 60px;
    }

    .hero-title {
        font-size: 30px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .hero-badges {
        gap: 8px;
    }

    .hero-badge {
        font-size: 13px;
        padding: 6px 12px;
    }

    .section-title {
        font-size: 24px;
    }

    .section-desc {
        font-size: 15px;
    }

    .btn-primary,
    .btn-ghost {
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-number {
        font-size: 34px;
    }

    .stat-label {
        font-size: 13px;
    }

    .article-body {
        padding: 20px;
    }

    .article-body h3 {
        font-size: 17px;
    }

    .cta-title {
        font-size: 28px;
    }

    .cta-desc {
        font-size: 15px;
    }

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