/* roulang page: index */
:root {
  --bg: #171412;
  --bg-soft: #1e1a17;
  --surface: #262019;
  --surface-2: #2f2821;
  --text: #f4ecdf;
  --text-soft: #cdc0aa;
  --text-muted: #a0947e;
  --border: rgba(226, 173, 91, 0.30);
  --border-soft: rgba(226, 173, 91, 0.14);
  --primary: #e2ad5b;
  --primary-2: #f3c87e;
  --primary-dark: #b57f2f;
  --accent: #8fa36b;
  --radius: 20px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --shadow: 0 24px 56px rgba(0, 0, 0, 0.48);
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.28);
  --container: 1180px;
  --space-section: 96px;
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  max-width: 100%;
}
button, input, textarea {
  font: inherit;
}
ul, ol {
  list-style: none;
}
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}
.section {
  padding: var(--space-section) 0;
}
.section-soft {
  background: var(--bg-soft);
}
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(226, 173, 91, 0.08);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}
.section-head p {
  color: var(--text-soft);
  font-size: 16px;
}

/* Header / Navigation */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 200;
  padding: 0 20px;
}
.nav-dock {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(32, 27, 23, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 10px 14px 10px 24px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.38);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.brand-icon {
  color: var(--primary);
  font-size: 22px;
}
.nav-toggle {
  display: none;
}
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-soft);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: rgba(226, 173, 91, 0.06);
}
.nav-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition, all .25s ease);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-soft);
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color .22s ease, background .22s ease, border-color .22s ease;
}
.nav-link i {
  font-size: 13px;
  opacity: .8;
}
.nav-link:hover {
  color: var(--text);
  background: rgba(226, 173, 91, 0.08);
  border-color: var(--border-soft);
}
.nav-link.active {
  color: var(--primary-2);
  background: rgba(226, 173, 91, 0.10);
  border-color: var(--border);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 8px;
  padding: 9px 22px;
  font-size: 14px;
  font-weight: 700;
  color: #1b1713;
  background: linear-gradient(135deg, var(--primary-2), var(--primary));
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(226, 173, 91, 0.18);
  transition: transform .22s ease, box-shadow .22s ease;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(226, 173, 91, 0.28);
}

/* Hero */
.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 90px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(23, 20, 18, 0.40) 0%, rgba(23, 20, 18, 0.88) 78%, rgba(23, 20, 18, 0.97) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--primary-2);
  background: rgba(23, 20, 18, 0.55);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 20px;
  margin-bottom: 24px;
  backdrop-filter: blur(6px);
}
.hero-tag i {
  font-size: 14px;
}
.hero h1 {
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: #fff;
  margin-bottom: 20px;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}
.hero h1 span {
  display: block;
  color: var(--primary-2);
  font-size: 0.5em;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-top: 6px;
}
.hero-desc {
  font-size: clamp(16px, 2.2vw, 20px);
  color: var(--text-soft);
  line-height: 1.8;
  max-width: 640px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
}
.btn i {
  font-size: 14px;
}
.btn.primary {
  background: linear-gradient(135deg, var(--primary-2), var(--primary));
  color: #1b1713;
  box-shadow: 0 10px 30px rgba(226, 173, 91, 0.22);
}
.btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(226, 173, 91, 0.32);
}
.btn.ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-color: var(--border);
  backdrop-filter: blur(6px);
}
.btn.ghost:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: var(--primary);
  transform: translateY(-3px);
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: rgba(23, 20, 18, 0.55);
  backdrop-filter: blur(8px);
  overflow: hidden;
}
.hero-stat {
  flex: 1 1 140px;
  padding: 20px 24px;
  border-right: 1px solid var(--border-soft);
}
.hero-stat:last-child {
  border-right: none;
}
.hero-stat strong {
  display: block;
  font-size: 28px;
  font-weight: 900;
  color: var(--primary-2);
  margin-bottom: 4px;
}
.hero-stat span {
  font-size: 13px;
  color: var(--text-muted);
}

/* About / Intro */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-copy h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 18px;
  color: var(--text);
}
.about-copy p {
  color: var(--text-soft);
  margin-bottom: 16px;
}
.about-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.about-feature {
  border: 1px solid var(--border-soft);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.about-feature:hover {
  transform: translateY(-6px);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.about-feature i {
  font-size: 26px;
  color: var(--primary);
  margin-bottom: 14px;
}
.about-feature h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.about-feature p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Category Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.category-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-soft);
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.category-card:hover {
  transform: translateY(-8px);
  border-color: var(--border);
  box-shadow: var(--shadow);
}
.category-card figure {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.category-card figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(23, 20, 18, 0.65), transparent 60%);
}
.category-card figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.category-card:hover figure img {
  transform: scale(1.05);
}
.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.card-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(226, 173, 91, 0.10);
  border: 1px solid var(--border-soft);
  padding: 4px 12px;
  border-radius: 999px;
  align-self: flex-start;
}
.card-body h3 {
  font-size: 22px;
  font-weight: 800;
}
.card-body p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
  margin-bottom: 12px;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-2);
  margin-top: auto;
}
.card-link i {
  transition: transform .2s ease;
}
.category-card:hover .card-link i {
  transform: translateX(4px);
}

/* Posts */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.post-item {
  display: grid;
  grid-template-columns: 100px 1fr 150px;
  align-items: center;
  gap: 24px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 22px 26px;
  transition: background .22s ease, border-color .22s ease, transform .22s ease, box-shadow .22s ease;
}
.post-item:hover {
  background: var(--surface-2);
  border-color: var(--border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}
.post-category {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(226, 173, 91, 0.08);
  border: 1px solid var(--border-soft);
  padding: 6px 14px;
  border-radius: 999px;
  text-align: center;
  white-space: nowrap;
}
.post-main {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.post-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color .2s ease;
}
.post-item:hover .post-title {
  color: var(--primary-2);
}
.post-desc {
  font-size: 14px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.post-time {
  font-size: 13px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
  white-space: nowrap;
}
.post-time i {
  color: var(--primary);
  opacity: .7;
}
.empty-tip {
  padding: 36px;
  text-align: center;
  color: var(--text-muted);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  font-size: 15px;
}

/* Timeline */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.timeline-item {
  position: relative;
  counter-increment: step;
  border: 1px solid var(--border-soft);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: transform .22s ease, border-color .22s ease;
}
.timeline-item:hover {
  transform: translateY(-6px);
  border-color: var(--border);
}
.timeline-item::before {
  content: "0" counter(step);
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
  color: rgba(226, 173, 91, 0.18);
  position: absolute;
  top: 18px;
  right: 20px;
}
.timeline-item i {
  font-size: 24px;
  color: var(--primary);
  margin-bottom: 18px;
}
.timeline-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.timeline-item p {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.7;
}

/* Feature / Showcase */
.feature-grid {
  display: grid;
  gap: 28px;
}
.feature-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border-soft);
  border-radius: calc(var(--radius) + 6px);
  background: var(--surface);
  overflow: hidden;
  transition: border-color .24s ease, box-shadow .24s ease;
}
.feature-card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.feature-card figure {
  min-height: 260px;
  overflow: hidden;
}
.feature-card figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.feature-card:hover figure img {
  transform: scale(1.04);
}
.feature-body {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.feature-body .tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 14px;
}
.feature-body h3 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 14px;
}
.feature-body p {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 20px;
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-soft);
}
.feature-list li i {
  color: var(--primary);
  font-size: 13px;
}

/* Scene List */
.scene-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.scene-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 24px;
  transition: transform .22s ease, border-color .22s ease;
}
.scene-item:hover {
  transform: translateY(-4px);
  border-color: var(--border);
}
.scene-item i {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  background: rgba(226, 173, 91, 0.10);
  border-radius: 12px;
}
.scene-item h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}
.scene-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* FAQ */
.faq-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.faq-item {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: border-color .22s ease;
}
.faq-item[open] {
  border-color: var(--border);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  list-style: none;
  padding: 22px 26px;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  transition: color .2s ease;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary i {
  color: var(--primary);
  font-size: 16px;
  transition: transform .25s ease;
}
.faq-item[open] summary i {
  transform: rotate(45deg);
}
.faq-item summary:hover {
  color: var(--primary-2);
}
.faq-item p {
  padding: 0 26px 24px;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.8;
}

/* CTA */
.cta-section {
  padding: 40px 0 100px;
}
.cta-box {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 10px);
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  padding: 60px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: var(--shadow);
}
.cta-box::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(226, 173, 91, 0.16), transparent 68%);
  border-radius: 50%;
}
.cta-box h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
}
.cta-box p {
  color: var(--text-soft);
  font-size: 15px;
  max-width: 480px;
}

/* Footer */
.site-footer {
  background: #12100e;
  border-top: 1px solid var(--border-soft);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 44px;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 14px;
}
.footer-desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  max-width: 340px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}
.footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-muted);
  transition: color .2s ease, transform .2s ease;
}
.footer-col a:hover {
  color: var(--primary-2);
  transform: translateX(4px);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  border-top: 1px solid var(--border-soft);
  color: var(--text-muted);
  font-size: 13px;
}

/* Focus */
:focus-visible {
  outline: 3px solid rgba(226, 173, 91, 0.55);
  outline-offset: 3px;
}

/* Responsive */
@media (max-width: 1024px) {
  :root {
    --space-section: 72px;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }
  .scene-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-card {
    grid-template-columns: 1fr;
  }
  .feature-card figure {
    min-height: 220px;
  }
  .faq-wrap {
    grid-template-columns: 1fr;
  }
  .post-item {
    grid-template-columns: 100px 1fr;
  }
  .post-time {
    grid-column: 2;
    justify-content: flex-start;
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  .site-header {
    top: 10px;
    padding: 0 12px;
  }
  .nav-dock {
    border-radius: 26px;
    padding: 10px 14px;
    flex-wrap: wrap;
  }
  .brand {
    font-size: 16px;
  }
  .nav-burger {
    display: flex;
  }
  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: rgba(30, 25, 22, 0.96);
    border: 1px solid var(--border-soft);
    border-radius: 22px;
    padding: 14px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .25s ease, transform .25s ease;
  }
  .nav-toggle:checked ~ .nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .nav-link {
    padding: 12px 16px;
    border-radius: 12px;
  }
  .nav-cta {
    margin-left: 0;
    justify-content: center;
    padding: 12px 16px;
  }
  .hero {
    min-height: 560px;
    padding: 100px 0 60px;
  }
  .hero-stats {
    flex-direction: column;
  }
  .hero-stat {
    border-right: none;
    border-bottom: 1px solid var(--border-soft);
  }
  .hero-stat:last-child {
    border-bottom: none;
  }
  .card-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .category-card figure {
    height: 180px;
  }
  .post-item {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 20px;
  }
  .post-category {
    justify-self: start;
  }
  .post-time {
    grid-column: auto;
    justify-content: flex-start;
  }
  .cta-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 36px 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }
}
@media (max-width: 520px) {
  :root {
    --space-section: 56px;
  }
  .section-head h2 {
    font-size: 28px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .timeline {
    grid-template-columns: 1fr;
  }
  .scene-list {
    grid-template-columns: 1fr;
  }
  .feature-body {
    padding: 28px 22px;
  }
  .faq-item summary {
    padding: 18px;
    font-size: 14px;
  }
  .faq-item p {
    padding: 0 18px 18px;
  }
  .cta-box {
    padding: 28px 20px;
  }
  .hero h1 {
    font-size: 36px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .brand {
    font-size: 15px;
  }
}

/* roulang page: category1 */
:root {
  --cream: #f2ead8;
  --paper: #fffdf7;
  --ink: #2b2925;
  --ink-soft: #57534a;
  --primary: #2d6a4f;
  --primary-dark: #1e4a36;
  --accent: #c46a3b;
  --accent-light: #e8945f;
  --gold: #b98a2e;
  --line-color: rgba(43, 41, 37, 0.45);
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 3px 3px 0 rgba(43, 41, 37, 0.12);
  --shadow-md: 6px 6px 0 rgba(43, 41, 37, 0.12);
  --shadow-lg: 10px 10px 0 rgba(43, 41, 37, 0.12);
  --space-section: clamp(56px, 8vw, 110px);
  --container-w: 1200px;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-display: "Noto Serif SC", "Songti SC", Georgia, serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space-section) 0; position: relative; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border: 2.5px solid var(--ink);
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  text-decoration: none;
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 rgba(43, 41, 37, 0.15);
  background: #fff;
}
.btn:active { transform: translate(1px, 1px); box-shadow: 2px 2px 0 rgba(43, 41, 37, 0.2); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--ink);
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--ink);
}
.btn-accent:hover { background: #a9572a; color: #fff; }
.btn-ghost {
  background: transparent;
  border-style: dashed;
  box-shadow: none;
}
.btn-ghost:hover { background: rgba(255,255,255,0.6); box-shadow: var(--shadow-sm); }

/* 标签 */
.tag,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--paper);
  color: var(--ink);
}
.badge-accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--ink);
}
.badge-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--ink);
}
.badge-gold {
  background: var(--gold);
  color: #fff;
  border-color: var(--ink);
}

/* Header & Dock 导航 */
.site-header {
  position: sticky;
  top: 14px;
  z-index: 999;
  padding: 0 16px;
  margin-bottom: -52px;
  pointer-events: none;
}
.nav-dock {
  pointer-events: auto;
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 22px;
  background: rgba(255, 253, 247, 0.94);
  backdrop-filter: blur(12px);
  border: 2.5px solid var(--ink);
  border-radius: 999px;
  box-shadow: 6px 6px 0 rgba(43, 41, 37, 0.12);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: .02em;
  white-space: nowrap;
  color: var(--ink);
}
.brand-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: #fff;
  border: 2px solid var(--ink);
  border-radius: 50%;
  font-size: 16px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink-soft);
  transition: all .2s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}
.nav-link i { font-size: 13px; opacity: .8; }
.nav-link:hover {
  color: var(--ink);
  background: rgba(45, 106, 79, .08);
  border-color: rgba(45, 106, 79, .35);
}
.nav-link.active {
  color: #fff;
  background: var(--primary);
  border-color: var(--ink);
  box-shadow: 3px 3px 0 rgba(43, 41, 37, .18);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--accent);
  border: 2px solid var(--ink);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 3px 3px 0 rgba(43, 41, 37, .16);
  transition: all .18s ease;
  white-space: nowrap;
}
.nav-cta:hover {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 rgba(43, 41, 37, .18);
  background: #a9572a;
}
.nav-toggle { display: none; }
.nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  place-items: center;
  cursor: pointer;
  box-shadow: 2px 2px 0 rgba(43,41,37,.15);
}
.nav-burger span,
.nav-burger span::before,
.nav-burger span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  position: relative;
  transition: all .2s ease;
}
.nav-burger span::before { position: absolute; top: -6px; }
.nav-burger span::after { position: absolute; top: 6px; }

/* Hero */
.page-hero {
  padding: calc(70px + 60px) 0 70px;
  background:
    linear-gradient(to bottom, rgba(43, 41, 37, 0.72), rgba(43, 41, 37, 0.55)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom: 3px solid var(--ink);
  position: relative;
}
.page-hero .hero-inner {
  max-width: 780px;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.page-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  border: 2px solid #fff;
  color: #fff;
  padding: 5px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .06em;
  box-shadow: 3px 3px 0 rgba(0,0,0,.25);
  margin-bottom: 24px;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.2vw, 56px);
  line-height: 1.2;
  margin-bottom: 16px;
  font-weight: 900;
}
.page-hero p {
  font-size: clamp(15px, 1.6vw, 18px);
  max-width: 620px;
  opacity: .92;
  margin-bottom: 32px;
}
.page-hero .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  text-shadow: none;
}

/* Section 通用标题 */
.sec-head {
  max-width: 720px;
  margin-bottom: 42px;
}
.sec-head .sec-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.sec-head h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 10px;
}
.sec-head p {
  color: var(--ink-soft);
  font-size: 15.5px;
}

/* 快捷信息 */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.quick-card {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
  position: relative;
}
.quick-card::before {
  content: "";
  position: absolute;
  top: -8px; left: 18px;
  width: 36px; height: 10px;
  background: var(--accent);
  border: 2px solid var(--ink);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
}
.quick-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-md);
}
.quick-card .icon-badge {
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: #fff;
  border: 2px solid var(--ink);
  border-radius: 14px;
  font-size: 20px;
  margin-bottom: 18px;
}
.quick-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 8px;
}
.quick-card p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 14px;
}
.quick-card .quick-link {
  font-weight: 700;
  font-size: 14px;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 2px dashed transparent;
  transition: border-color .2s ease;
}
.quick-card .quick-link:hover { border-color: var(--primary); }

/* 资讯列表 */
.news-list-section { background: var(--paper); border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.news-card {
  display: flex;
  flex-direction: column;
  background: var(--cream);
  border: 2.5px solid var(--ink);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease;
  position: relative;
}
.news-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-lg);
}
.news-card .card-img {
  position: relative;
  height: 210px;
  overflow: hidden;
  border-bottom: 2.5px solid var(--ink);
}
.news-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.news-card:hover .card-img img { transform: scale(1.04); }
.news-card .card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(43,41,37,.35), transparent 60%);
}
.news-card .card-tag {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 2;
}
.card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 10px;
}
.card-meta i { color: var(--accent); }
.card-body h3 {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 10px;
  font-family: var(--font-display);
}
.card-body p {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 18px;
  flex: 1;
}
.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 2px dashed var(--line-color);
  padding-top: 14px;
}
.card-foot .read-more {
  font-weight: 700;
  font-size: 14px;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .2s ease;
}
.card-foot .read-more:hover { gap: 10px; }
.card-foot .time {
  font-size: 13px;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* 标签 / 话题区 */
.topics-section { background: var(--cream); }
.topics-wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
  align-items: start;
}
.topic-panel {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}
.topic-panel h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.topic-panel h3 i { color: var(--accent); }
.topic-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 10px;
  border-bottom: 2px dashed var(--line-color);
  font-size: 15px;
  font-weight: 600;
  transition: background .2s ease, padding .2s ease;
}
.topic-list li:last-child { border-bottom: none; }
.topic-list li:hover { background: rgba(45, 106, 79, .05); padding-left: 16px; }
.topic-list .topic-idx {
  width: 26px; height: 26px;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: #fff;
  border: 1.5px solid var(--ink);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
}
.topic-list .topic-idx.hot { background: var(--accent); }
.topic-list .topic-title { flex: 1; }
.topic-list .topic-heat {
  font-size: 13px;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}
.tag-cloud .tag {
  padding: 6px 16px;
  font-size: 13px;
  transition: all .2s ease;
}
.tag-cloud .tag:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 3px 3px 0 rgba(43,41,37,.15);
}

/* 数据深色区 */
.stats-section {
  background: var(--ink);
  color: var(--paper);
  border-top: 3px solid var(--gold);
  border-bottom: 3px solid var(--gold);
  padding: 70px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.stat-item {
  padding: 24px 10px;
  border: 2px dashed rgba(255, 253, 247, .28);
  border-radius: var(--radius-lg);
  transition: border-color .2s ease, background .2s ease;
}
.stat-item:hover {
  border-color: var(--gold);
  background: rgba(255, 253, 247, .04);
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 900;
  color: var(--gold);
  line-height: 1.2;
}
.stat-label {
  font-size: 14px;
  color: rgba(255, 253, 247, .7);
  letter-spacing: .06em;
  margin-top: 6px;
}
.stat-section-title {
  text-align: center;
  margin-bottom: 40px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 900;
}
.stat-section-title span { color: var(--gold); }

/* 专题 */
.feature-section { background: var(--paper); border-bottom: 3px solid var(--ink); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.feature-card {
  background: var(--cream);
  border: 2.5px solid var(--ink);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feature-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-md);
}
.feature-card .feature-icon {
  width: 50px; height: 50px;
  display: grid;
  place-items: center;
  font-size: 22px;
  background: var(--accent);
  border: 2px solid var(--ink);
  border-radius: 16px;
  color: #fff;
  box-shadow: 3px 3px 0 rgba(43,41,37,.15);
}
.feature-card h3 { font-size: 18px; font-weight: 800; }
.feature-card p { font-size: 14px; color: var(--ink-soft); flex: 1; }
.feature-card .feature-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* FAQ */
.faq-section { background: var(--cream); }
.faq-wrap {
  max-width: 840px;
  margin: 0 auto;
}
.faq-item {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.faq-item details { padding: 20px 26px; }
.faq-item summary {
  cursor: pointer;
  font-weight: 800;
  font-size: 16px;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color .2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--accent);
  transition: transform .25s ease;
  flex-shrink: 0;
}
.faq-item details[open] summary::after {
  transform: rotate(45deg);
  color: var(--primary);
}
.faq-item summary:hover { color: var(--primary); }
.faq-item .faq-answer {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 2px dashed var(--line-color);
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.8;
}

/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: .12;
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
}
.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  margin-bottom: 14px;
}
.cta-inner p {
  font-size: 16px;
  opacity: .88;
  margin-bottom: 28px;
}
.cta-inner .btn {
  background: var(--accent);
  color: #fff;
  border-color: var(--ink);
  font-size: 16px;
  padding: 14px 34px;
}
.cta-inner .btn:hover { background: #a9572a; }

/* Footer */
.site-footer {
  background: #221f1c;
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 28px;
  border-top: 4px solid var(--gold);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: #fff;
  margin-bottom: 14px;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  max-width: 360px;
  color: rgba(255, 255, 255, .6);
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: .04em;
}
.footer-col a {
  display: block;
  color: rgba(255, 255, 255, .65);
  font-size: 14px;
  padding: 5px 0;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-col a:hover {
  color: var(--gold);
  padding-left: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
  flex-wrap: wrap;
}
.footer-bottom span:last-child { font-family: monospace; letter-spacing: .08em; }

/* 响应式 */
@media (max-width: 992px) {
  .quick-grid { grid-template-columns: 1fr 1fr; }
  .topics-wrap { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .site-header {
    top: 8px;
    padding: 0 12px;
  }
  .nav-dock {
    flex-wrap: wrap;
    border-radius: 22px;
    padding: 14px 18px;
    position: relative;
  }
  .nav-burger {
    display: grid;
  }
  .nav-toggle:checked ~ .nav-burger span {
    background: transparent;
  }
  .nav-toggle:checked ~ .nav-burger span::before {
    top: 0;
    transform: rotate(45deg);
  }
  .nav-toggle:checked ~ .nav-burger span::after {
    top: 0;
    transform: rotate(-45deg);
  }
  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 8px;
    padding-top: 14px;
    margin-top: 12px;
    border-top: 2px dashed var(--line-color);
    align-items: stretch;
  }
  .nav-toggle:checked ~ .nav-links {
    display: flex;
    animation: navIn .25s ease;
  }
  .nav-link {
    justify-content: center;
    padding: 11px;
    font-size: 15px;
  }
  .nav-cta {
    justify-content: center;
    margin-top: 4px;
  }
  .brand { font-size: 14.5px; }
  .page-hero { padding-top: 120px; }
  .quick-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .stats-grid { gap: 16px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .nav-dock { border-radius: 18px; padding: 12px 14px; }
  .brand { font-size: 13px; gap: 6px; }
  .brand-icon { width: 32px; height: 32px; font-size: 14px; }
  .page-hero h1 { font-size: 30px; }
  .btn { padding: 10px 20px; font-size: 14px; }
  .news-card .card-img { height: 170px; }
  .card-body { padding: 18px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item { padding: 18px 6px; }
  .topic-panel { padding: 20px; }
  .faq-item details { padding: 16px 18px; }
}
@keyframes navIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* roulang page: category2 */
:root{
  --primary:#b45309;
  --primary-dark:#8b3a06;
  --primary-light:#fbd49a;
  --accent:#d97706;
  --accent-soft:#f7d9a8;
  --bg:#f8f0e3;
  --bg-card:#fffaf1;
  --bg-deep:#2a1e15;
  --text:#2b2015;
  --text-weak:#8a7864;
  --border:#dfc9ad;
  --radius-sm:12px;
  --radius:20px;
  --radius-lg:28px;
  --shadow-sm:0 4px 16px rgba(60,40,15,.06);
  --shadow:0 12px 32px rgba(60,40,15,.10);
  --shadow-lg:0 20px 48px rgba(60,40,15,.14);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 18% 22%,rgba(217,119,6,.05),transparent 42%),
    radial-gradient(circle at 82% 74%,rgba(180,83,9,.04),transparent 40%);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* 背景纹理 */
.texture-body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M30 0v60M0 30h60' stroke='%23b45309' stroke-width='.6'/%3E%3C/svg%3E");
}
.site-header,.site-footer,.page-hero,.section,.cta-section{position:relative;z-index:1}

/* ===== 导航 ===== */
.site-header{
  padding:18px 0 0;
  position:sticky;
  top:0;
  z-index:100;
  background:linear-gradient(to bottom,rgba(248,240,227,.92),rgba(248,240,227,.7));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.nav-dock{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:var(--bg-deep);
  border-radius:999px;
  padding:10px 12px 10px 24px;
  box-shadow:0 10px 30px rgba(42,30,21,.28),inset 0 1px 0 rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#f6d48f;
  font-weight:800;
  font-size:17px;
  letter-spacing:.5px;
  white-space:nowrap;
  transition:opacity .25s;
}
.brand:hover{opacity:.85}
.brand-icon{
  width:34px;
  height:34px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,#f6d48f,#d97706);
  color:#2a1e15;
  border-radius:10px;
  font-size:16px;
}
.nav-toggle{display:none}
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;align-items:center;cursor:pointer;border-radius:999px;transition:background .25s}
.nav-burger:hover{background:rgba(246,212,143,.1)}
.nav-burger span{display:block;width:20px;height:2px;background:#f6d48f;border-radius:2px;transition:all .3s}
.nav-burger span:nth-child(2){width:14px;margin-left:6px}
.nav-toggle:checked~.nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle:checked~.nav-burger span:nth-child(2){transform:rotate(-45deg);width:20px;margin-left:0}
.nav-toggle:checked~.nav-burger span:nth-child(3){display:none}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex-wrap:nowrap;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:#cbb89a;
  font-size:14px;
  font-weight:500;
  padding:9px 16px;
  border-radius:999px;
  border:1px solid transparent;
  transition:all .28s;
  white-space:nowrap;
}
.nav-link i{font-size:13px;opacity:.85}
.nav-link:hover{color:#f6d48f;background:rgba(255,255,255,.06);border-color:rgba(246,212,143,.15)}
.nav-link.active{
  color:#2a1e15;
  background:linear-gradient(135deg,#f6d48f,#eab76a);
  font-weight:700;
  box-shadow:0 4px 14px rgba(246,212,143,.25);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:linear-gradient(135deg,var(--accent),var(--primary));
  color:#fff;
  font-size:14px;
  font-weight:600;
  padding:10px 20px;
  border-radius:999px;
  box-shadow:0 4px 14px rgba(217,119,6,.35);
  transition:all .3s;
  white-space:nowrap;
}
.nav-cta:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 22px rgba(217,119,6,.45);
}

/* ===== 页面 Hero ===== */
.page-hero{
  position:relative;
  padding:84px 0 64px;
  background:
    linear-gradient(135deg,rgba(42,30,21,.94) 30%,rgba(42,30,21,.72) 70%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  border-bottom:3px solid rgba(246,212,143,.2);
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:24px;
  background:linear-gradient(to top,var(--bg),transparent);
  z-index:2;
}
.hero-inner{max-width:820px}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(246,212,143,.12);
  border:1px solid rgba(246,212,143,.35);
  color:#f6d48f;
  font-size:13px;
  font-weight:600;
  padding:6px 16px;
  border-radius:999px;
  margin-bottom:18px;
  letter-spacing:.5px;
}
.page-hero h1{
  font-family:var(--serif);
  font-size:44px;
  font-weight:800;
  line-height:1.25;
  margin-bottom:14px;
  letter-spacing:2px;
}
.page-hero p.hero-sub{
  font-size:16px;
  color:#d8c8ae;
  max-width:640px;
  margin-bottom:28px;
}
.hero-meta{
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
  font-size:13px;
  color:#cbb89a;
}
.hero-meta i{margin-right:6px;color:#f6d48f}

/* ===== 通用板块 ===== */
.section{padding:72px 0}
.section-alt{background:rgba(255,250,241,.8);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{text-align:center;margin-bottom:44px}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  letter-spacing:2px;
  padding:6px 18px;
  background:rgba(180,83,9,.08);
  border-radius:999px;
  margin-bottom:14px;
  text-transform:uppercase;
}
.section-head h2{
  font-family:var(--serif);
  font-size:32px;
  font-weight:800;
  line-height:1.3;
  letter-spacing:1px;
}
.section-head p{
  color:var(--text-weak);
  max-width:620px;
  margin:10px auto 0;
  font-size:15px;
}

/* ===== 百科专题卡片 ===== */
.topic-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.topic-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px 22px 26px;
  text-align:center;
  position:relative;
  overflow:hidden;
  transition:all .32s cubic-bezier(.4,0,.2,1);
  box-shadow:var(--shadow-sm);
}
.topic-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  opacity:0;
  transition:opacity .3s;
}
.topic-card::after{
  content:"";position:absolute;width:80px;height:80px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,119,6,.08),transparent 70%);
  top:-20px;right:-20px;
}
.topic-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow);
  border-color:rgba(180,83,9,.35);
}
.topic-card:hover::before{opacity:1}
.topic-icon{
  width:58px;height:58px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary-light),#f6e3c8);
  color:var(--primary-dark);
  font-size:24px;
  border-radius:16px;
  margin:0 auto 16px;
  transition:transform .3s;
}
.topic-card:hover .topic-icon{transform:scale(1.08) rotate(-4deg)}
.topic-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.topic-card p{font-size:13px;color:var(--text-weak);line-height:1.6}
.topic-card .corner-num{
  position:absolute;bottom:12px;right:16px;
  font-family:var(--serif);
  font-size:26px;font-weight:800;
  color:rgba(180,83,9,.12);
}

/* ===== 精选内容列表 ===== */
.article-list{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.article-item{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:all .32s;
}
.article-item:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow);
  border-color:rgba(180,83,9,.3);
}
.article-cover{
  height:190px;
  overflow:hidden;
  position:relative;
}
.article-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.article-item:hover .article-cover img{transform:scale(1.05)}
.article-cover .badge{
  position:absolute;top:12px;left:12px;
  background:rgba(42,30,21,.82);
  color:#f6d48f;
  font-size:12px;
  font-weight:600;
  padding:4px 14px;
  border-radius:999px;
  backdrop-filter:blur(4px);
  border:1px solid rgba(246,212,143,.25);
}
.article-body{padding:22px}
.article-meta{
  display:flex;align-items:center;gap:16px;
  font-size:12px;color:var(--text-weak);
  margin-bottom:10px;
}
.article-meta i{margin-right:5px;color:var(--accent)}
.article-item h3{
  font-size:17px;line-height:1.45;
  margin-bottom:10px;
  font-weight:700;
}
.article-item h3 a{transition:color .25s}
.article-item h3 a:hover{color:var(--primary)}
.article-item p{
  font-size:14px;color:var(--text-weak);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.article-more-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--primary);
  margin-top:14px;
  transition:gap .25s;
}
.article-more-link:hover{gap:10px}

/* ===== 深度图文 ===== */
.feature-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.feature-img{
  border-radius:22px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  position:relative;
}
.feature-img img{
  width:100%;height:360px;object-fit:cover;
  transition:transform .6s;
}
.feature-block:hover .feature-img img{transform:scale(1.02)}
.feature-img::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(42,30,21,.35),transparent 60%);
}
.feature-img .img-note{
  position:absolute;bottom:16px;left:16px;
  background:rgba(42,30,21,.82);
  color:#f6d48f;
  font-size:12px;
  padding:8px 14px;
  border-radius:10px;
  backdrop-filter:blur(4px);
  z-index:2;
  border:1px solid rgba(246,212,143,.2);
}
.feature-content{max-width:520px}
.feature-content .section-tag{margin-bottom:12px}
.feature-content h2{
  font-family:var(--serif);
  font-size:28px;
  font-weight:800;
  line-height:1.4;
  margin-bottom:14px;
  letter-spacing:1px;
}
.feature-content>p{color:var(--text-weak);margin-bottom:18px;font-size:15px}
.feature-points{margin-bottom:26px}
.feature-points li{
  display:flex;
  align-items:center;
  gap:12px;
  padding:7px 0;
  font-size:15px;
  border-bottom:1px dashed rgba(180,83,9,.15);
}
.feature-points li:last-child{border-bottom:none}
.feature-points li i{
  color:var(--primary);
  width:22px;
  height:22px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(180,83,9,.08);
  border-radius:6px;
  font-size:12px;
  flex-shrink:0;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 26px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  transition:all .3s;
  border:none;
  cursor:pointer;
  line-height:1;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;
  box-shadow:0 4px 14px rgba(180,83,9,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(180,83,9,.4)}
.btn-ghost{
  background:transparent;
  color:var(--primary);
  border:2px solid rgba(180,83,9,.4);
}
.btn-ghost:hover{background:rgba(180,83,9,.06);transform:translateY(-2px)}
.btn-white{
  background:#fff;
  color:var(--bg-deep);
  box-shadow:0 4px 16px rgba(0,0,0,.12);
}

/* ===== 数据统计 ===== */
.stats-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.stat-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px 20px;
  text-align:center;
  box-shadow:var(--shadow-sm);
  transition:all .3s;
  position:relative;
  overflow:hidden;
}
.stat-card::before{
  content:"";
  position:absolute;bottom:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  opacity:0;
  transition:opacity .3s;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.stat-card:hover::before{opacity:1}
.stat-num{
  font-family:var(--serif);
  font-size:38px;
  font-weight:800;
  color:var(--primary);
  line-height:1;
  letter-spacing:-1px;
}
.stat-num sup{font-size:18px;top:-.5em}
.stat-label{
  margin-top:12px;
  font-size:14px;
  color:var(--text-weak);
  font-weight:500;
}
.stat-icon{
  width:40px;height:40px;
  margin:0 auto 14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(180,83,9,.07);
  border-radius:12px;
  color:var(--primary);
  font-size:18px;
}

/* ===== FAQ ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .3s;
}
.faq-item:hover{border-color:rgba(180,83,9,.3)}
.faq-item summary{
  padding:20px 24px;
  font-weight:600;
  font-size:16px;
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  transition:background .3s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(180,83,9,.03)}
.faq-item summary i{
  color:var(--primary);
  width:30px;
  height:30px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(180,83,9,.07);
  border-radius:8px;
  font-size:14px;
  flex-shrink:0;
}
.faq-item summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--text-weak);
  transition:transform .3s;
  flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-body{
  padding:0 24px 22px 24px;
  color:var(--text-weak);
  font-size:14px;
  line-height:1.8;
  border-top:1px dashed rgba(180,83,9,.15);
  margin:0 24px;
  padding:16px 0 22px;
}

/* ===== CTA ===== */
.cta-wrapper{padding-top:20px}
.cta-section{
  background:
    radial-gradient(circle at 20% 20%,rgba(246,212,143,.12),transparent 50%),
    radial-gradient(circle at 85% 80%,rgba(217,119,6,.18),transparent 45%),
    linear-gradient(135deg,var(--bg-deep),#3a2a1c);
  border-radius:28px;
  padding:56px 48px;
  text-align:center;
  color:#fff;
  position:relative;
  overflow:hidden;
  border:1px solid rgba(246,212,143,.15);
  box-shadow:var(--shadow-lg);
}
.cta-section::before{
  content:"";position:absolute;width:260px;height:260px;border-radius:50%;
  border:2px dashed rgba(246,212,143,.15);
  top:-80px;right:-40px;
}
.cta-section h2{
  font-family:var(--serif);
  font-size:30px;
  font-weight:800;
  margin-bottom:12px;
  letter-spacing:1px;
}
.cta-section p{
  color:#d8c8ae;
  margin-bottom:28px;
  max-width:520px;
  margin-left:auto;
  margin-right:auto;
  font-size:15px;
}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--bg-deep);
  color:#cbb89a;
  padding:60px 0 30px;
  margin-top:72px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#f6d48f;
  font-weight:700;
  font-size:18px;
  margin-bottom:14px;
}
.footer-desc{
  font-size:14px;
  line-height:1.75;
  max-width:360px;
  color:#a39682;
}
.footer-col h4{
  color:#f6d48f;
  font-size:15px;
  font-weight:600;
  margin-bottom:14px;
  letter-spacing:.5px;
}
.footer-col a{
  display:block;
  color:#cbb89a;
  font-size:14px;
  padding:5px 0;
  transition:all .25s;
}
.footer-col a:hover{color:#f6d48f;transform:translateX(4px)}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:24px;
  font-size:13px;
  color:#8f8066;
}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .article-list{grid-template-columns:repeat(2,1fr)}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .feature-block{grid-template-columns:1fr;gap:36px}
  .feature-content{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .site-header{padding-top:14px}
  .nav-dock{
    flex-wrap:wrap;
    border-radius:24px;
    padding:14px 18px;
  }
  .nav-burger{display:flex}
  .nav-links{
    display:none;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    padding:14px 0 6px;
    gap:4px;
  }
  .nav-toggle:checked~.nav-links{display:flex}
  .nav-link{width:100%;justify-content:flex-start}
  .nav-cta{width:100%;justify-content:center;margin-top:6px}
  .page-hero{padding:60px 0 50px}
  .page-hero h1{font-size:32px}
  .section{padding:52px 0}
  .section-head h2{font-size:27px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-section{padding:40px 24px}
  .cta-section h2{font-size:24px}
  .feature-content h2{font-size:24px}
  .feature-img img{height:260px}
}
@media(max-width:520px){
  .nav-dock{padding:12px 14px;gap:10px}
  .brand{font-size:15px}
  .brand-icon{width:30px;height:30px;font-size:14px}
  .page-hero{padding:48px 0 42px}
  .page-hero h1{font-size:26px}
  .hero-meta{gap:12px;font-size:12px}
  .topic-grid{grid-template-columns:1fr}
  .article-list{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr}
  .section-head h2{font-size:24px}
  .section-head p{font-size:14px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{justify-content:center}
  .feature-img img{height:220px}
}

/* roulang page: article */
:root {
    --bg-body: #17150f;
    --bg-section: #1e1b14;
    --bg-card: #232017;
    --bg-card-hover: #2a261c;
    --bg-soft: #262219;
    --bg-overlay: rgba(20,17,11,.78);
    --border: #3d382e;
    --border-light: #4e483c;
    --border-gold: rgba(201,168,106,.5);
    --text-main: #efe6d3;
    --text-soft: #bfb29b;
    --text-muted: #8c7c64;
    --gold: #c9a86a;
    --gold-bright: #e2c088;
    --gold-deep: #9a783e;
    --green: #8a9a7b;
    --green-bright: #a8b89a;
    --danger: #c06956;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow-1: 0 6px 18px rgba(0,0,0,.35);
    --shadow-2: 0 16px 40px rgba(0,0,0,.5);
    --font-body: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    --font-serif: "Songti SC","Noto Serif SC","SimSun",serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--bg-body);
    color: var(--text-soft);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 28px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .3s ease;
    letter-spacing: .5px;
    line-height: 1.4;
    white-space: nowrap;
}
.btn:focus-visible {
    outline: 2px solid var(--gold-bright);
    outline-offset: 4px;
}
.btn-gold {
    background: linear-gradient(135deg, var(--gold-bright), var(--gold-deep));
    color: #1a1712;
    box-shadow: 0 6px 20px rgba(201,168,106,.28);
}
.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(201,168,106,.4);
}
.btn-gold:active { transform: translateY(0); }
.btn-ghost {
    background: transparent;
    border-color: var(--border-light);
    color: var(--text-main);
}
.btn-ghost:hover {
    border-color: var(--gold);
    background: rgba(201,168,106,.08);
    color: var(--gold-bright);
    transform: translateY(-2px);
}

/* ===== Tags / Badges ===== */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    background: rgba(201,168,106,.1);
    border: 1px solid rgba(201,168,106,.25);
    color: var(--gold-bright);
    transition: all .3s;
    cursor: default;
}
.tag:hover { background: rgba(201,168,106,.2); border-color: rgba(201,168,106,.4); }
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gold);
    background: rgba(201,168,106,.1);
    border: 1px solid rgba(201,168,106,.2);
    padding: 7px 16px;
    border-radius: 999px;
    margin-bottom: 18px;
}

/* ===== Header / Dock Nav ===== */
.site-header {
    position: sticky;
    top: 14px;
    z-index: 1000;
    padding: 10px 16px;
    pointer-events: none;
}
.nav-dock {
    pointer-events: auto;
    max-width: 1160px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    background: rgba(28, 25, 18, .92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(201, 168, 106, .22);
    border-radius: 999px;
    padding: 10px 18px 10px 24px;
    box-shadow: 0 12px 32px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.04);
    transition: border-color .3s, box-shadow .3s;
}
.nav-dock:hover { border-color: rgba(201,168,106,.4); }
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-serif);
    font-size: 19px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: .5px;
    flex-shrink: 0;
}
.brand-icon {
    color: var(--gold);
    font-size: 24px;
    animation: spin-slow 12s linear infinite;
}
@keyframes spin-slow { to { transform: rotate(360deg); } }
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-soft);
    transition: all .3s;
    border: 1px solid transparent;
}
.nav-link i { font-size: 15px; color: var(--text-muted); transition: color .3s; }
.nav-link:hover { color: var(--gold-bright); background: rgba(201,168,106,.08); }
.nav-link:hover i { color: var(--gold); }
.nav-link.active { color: var(--gold-bright); background: rgba(201,168,106,.14); border-color: rgba(201,168,106,.2); }
.nav-link.active i { color: var(--gold); }
.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: #1a1712;
    background: linear-gradient(135deg, var(--gold-bright), var(--gold-deep));
    margin-left: 6px;
    box-shadow: 0 4px 12px rgba(201,168,106,.25);
    transition: all .3s;
    white-space: nowrap;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(201,168,106,.38); }
.nav-cta i { font-size: 14px; }
.nav-toggle, .nav-burger { display: none; }

/* ===== Page Hero ===== */
.page-hero {
    position: relative;
    padding: 80px 0 76px;
    background: url('/assets/images/backpic/back-1.png') center 32% / cover no-repeat;
    border-bottom: 1px solid var(--border);
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(20,17,11,.62), rgba(20,17,11,.88) 70%, var(--bg-body) 100%);
}
.page-hero .container { position: relative; z-index: 1; text-align: center; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(201,168,106,.14);
    border: 1px solid rgba(201,168,106,.3);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gold-bright);
    letter-spacing: 1px;
    margin-bottom: 24px;
}
.page-hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(30px, 4.6vw, 46px);
    line-height: 1.3;
    color: var(--text-main);
    max-width: 880px;
    margin: 0 auto 18px;
    letter-spacing: 1px;
    text-wrap: balance;
}
.hero-desc {
    max-width: 720px;
    margin: 0 auto 28px;
    font-size: 16px;
    color: var(--text-soft);
    line-height: 1.8;
}
.hero-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px 28px;
    font-size: 14px;
    color: var(--text-muted);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }

/* ===== Article Layout ===== */
.article-wrap {
    padding-top: 56px;
    padding-bottom: 48px;
}
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
    align-items: start;
}
.article-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-1);
    padding: 48px 52px;
    overflow: hidden;
}
.article-card::before {
    content: '';
    position: absolute;
    inset: 10px;
    border: 1px solid rgba(201,168,106,.16);
    border-radius: calc(var(--radius) - 6px);
    pointer-events: none;
}
.article-card > * { position: relative; z-index: 1; }
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 9px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 30px;
}
.breadcrumb a { display: inline-flex; align-items: center; gap: 6px; color: var(--text-muted); transition: color .3s; }
.breadcrumb a:hover { color: var(--gold-bright); }
.breadcrumb i { font-size: 12px; }
.article-cover {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 32px;
    border: 1px solid var(--border-light);
}
.article-cover img { width: 100%; height: auto; max-height: 400px; object-fit: cover; }
.cover-category {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(23,21,15,.82);
    backdrop-filter: blur(6px);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 13px;
    color: var(--gold-bright);
    border: 1px solid rgba(201,168,106,.3);
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 26px;
    margin-bottom: 34px;
    padding-bottom: 26px;
    border-bottom: 1px dashed var(--border-light);
    font-size: 14px;
    color: var(--text-muted);
}
.article-meta span { display: inline-flex; align-items: center; gap: 8px; }
.article-meta i { color: var(--gold); font-size: 15px; }
.article-body {
    font-size: 1.05rem;
    line-height: 1.95;
    color: var(--text-soft);
}
.article-body > p { margin-bottom: 1.4em; }
.article-body > p:first-child::first-letter {
    font-family: var(--font-serif);
    font-size: 3.4em;
    float: left;
    line-height: .82;
    padding-right: 10px;
    color: var(--gold);
    font-weight: 600;
}
.article-body h2 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--text-main);
    margin: 2em 0 .85em;
    padding-left: 16px;
    border-left: 4px solid var(--gold);
    letter-spacing: .5px;
}
.article-body h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--text-main);
    margin: 1.8em 0 .75em;
}
.article-body ul, .article-body ol {
    margin: 0 0 1.5em;
    padding-left: 1.5em;
}
.article-body li { margin-bottom: .55em; }
.article-body li::marker { color: var(--gold); }
.article-body blockquote {
    margin: 2em 0;
    padding: 22px 26px;
    border-left: 4px solid var(--gold);
    background: var(--bg-soft);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--text-main);
    position: relative;
}
.article-body blockquote::before {
    content: '\201C';
    font-family: var(--font-serif);
    font-size: 3.5em;
    color: var(--gold);
    position: absolute;
    top: 4px;
    left: 10px;
    opacity: .35;
}
.article-body a { color: var(--gold-bright); text-decoration: underline; text-underline-offset: 3px; transition: color .3s; }
.article-body a:hover { color: var(--gold); }
.article-body img { border-radius: var(--radius); margin: 1.4em 0; border: 1px solid var(--border); }
.article-body strong { color: var(--text-main); font-weight: 600; }
.article-body em { color: var(--gold-bright); font-style: italic; }
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 40px;
    padding-top: 26px;
    border-top: 1px dashed var(--border-light);
}
.article-end-note {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 36px;
    padding: 20px 24px;
    background: var(--bg-soft);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}
.article-end-note p { font-size: 14px; color: var(--text-muted); }
.article-end-note a { color: var(--gold-bright); font-weight: 600; white-space: nowrap; }
.article-end-note a:hover { color: var(--gold); }

/* ===== Sidebar ===== */
.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-1);
    padding: 26px;
    margin-bottom: 20px;
    position: relative;
    border-top: 3px solid var(--gold);
}
.sidebar-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 20px;
}
.sidebar-title i { color: var(--gold); font-size: 17px; }
.sidebar-cat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 16px;
    border-radius: var(--radius-sm);
    background: var(--bg-soft);
    border: 1px solid transparent;
    margin-bottom: 10px;
    color: var(--text-soft);
    font-size: 14px;
    font-weight: 500;
    transition: all .3s;
}
.sidebar-cat:last-child { margin-bottom: 0; }
.sidebar-cat i { font-size: 13px; color: var(--text-muted); transition: transform .3s, color .3s; }
.sidebar-cat:hover { border-color: rgba(201,168,106,.3); background: rgba(201,168,106,.08); color: var(--gold-bright); }
.sidebar-cat:hover i { transform: translateX(4px); color: var(--gold); }
.sidebar-about p { font-size: 14px; line-height: 1.8; color: var(--text-soft); margin-bottom: 18px; }
.sidebar-about .btn { width: 100%; justify-content: center; font-size: 14px; padding: 11px 20px; }
.sidebar-note {
    background: var(--bg-soft);
    border: 1px dashed var(--border-light);
    border-radius: var(--radius-sm);
    padding: 16px;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
}
.sidebar-note i { color: var(--gold); margin-right: 6px; }

/* ===== Not Found ===== */
.not-found-box {
    text-align: center;
    padding: 56px 24px;
}
.not-found-box .nf-icon {
    width: 96px;
    height: 96px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background: rgba(201,168,106,.1);
    border: 2px solid rgba(201,168,106,.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 38px;
    color: var(--gold);
}
.not-found-box h2 { font-family: var(--font-serif); font-size: 28px; color: var(--text-main); margin-bottom: 14px; }
.not-found-box p { color: var(--text-muted); margin-bottom: 28px; font-size: 15px; }

/* ===== Category Section ===== */
.category-section {
    padding: 76px 0 64px;
    background: var(--bg-section);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.section-head { text-align: center; margin-bottom: 44px; }
.section-head h2 {
    font-family: var(--font-serif);
    font-size: clamp(26px, 3.4vw, 36px);
    color: var(--text-main);
    margin-bottom: 12px;
    letter-spacing: .5px;
}
.section-head p { max-width: 640px; margin: 0 auto; color: var(--text-muted); font-size: 15px; }
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.category-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .35s, box-shadow .35s, border-color .35s;
}
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); border-color: var(--border-gold); }
.category-thumb { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.category-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.category-card:hover .category-thumb img { transform: scale(1.06); }
.category-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(20,17,11,.7));
}
.category-icon {
    position: absolute;
    bottom: 14px;
    left: 16px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(23,21,15,.85);
    border: 1px solid rgba(201,168,106,.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: 18px;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0,0,0,.3);
}
.category-info { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.category-info h3 { font-family: var(--font-serif); font-size: 20px; color: var(--text-main); margin-bottom: 10px; letter-spacing: .5px; }
.category-info p { font-size: 14px; color: var(--text-muted); line-height: 1.75; flex: 1; }
.category-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gold-bright);
    transition: gap .3s;
}
.category-card:hover .category-more { gap: 12px; }
.category-more i { font-size: 13px; }

/* ===== FAQ ===== */
.faq-section { padding: 76px 0; }
.faq-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 48px;
    align-items: start;
}
.faq-head h2 {
    font-family: var(--font-serif);
    font-size: clamp(24px, 3vw, 32px);
    color: var(--text-main);
    margin-bottom: 14px;
    line-height: 1.35;
}
.faq-head p { color: var(--text-muted); font-size: 15px; line-height: 1.8; }
.faq-list { display: flex; flex-direction: column; gap: 16px; }
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color .3s, box-shadow .3s;
}
.faq-item[open] { border-color: var(--border-gold); box-shadow: var(--shadow-1); }
.faq-item summary {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 24px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    list-style: none;
    transition: background .3s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: var(--bg-soft); }
.faq-item summary i.fa-question { color: var(--gold); }
.faq-icon {
    margin-left: auto;
    font-size: 16px;
    color: var(--text-muted);
    transition: transform .3s;
    flex-shrink: 0;
}
.faq-item[open] .faq-icon { transform: rotate(45deg); color: var(--gold); }
.faq-item p {
    padding: 0 24px 22px 54px;
    font-size: 14px;
    color: var(--text-soft);
    line-height: 1.85;
}

/* ===== CTA ===== */
.cta-section {
    position: relative;
    padding: 72px 0;
    background: url('/assets/images/backpic/back-3.png') center 30% / cover no-repeat;
    border-top: 1px solid var(--border);
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(20,17,11,.9), rgba(30,27,20,.72));
}
.cta-section .container { position: relative; z-index: 1; }
.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.cta-info h2 {
    font-family: var(--font-serif);
    font-size: clamp(24px, 3vw, 32px);
    color: var(--text-main);
    margin-bottom: 10px;
}
.cta-info p { color: var(--text-soft); font-size: 15px; max-width: 600px; }
.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer {
    background: #100e0a;
    border-top: 1px solid var(--border);
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 44px;
    padding-bottom: 44px;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 14px;
}
.footer-brand .brand-icon { color: var(--gold); font-size: 20px; }
.footer-desc { font-size: 14px; color: var(--text-muted); line-height: 1.8; max-width: 380px; }
.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 16px;
    letter-spacing: 1px;
}
.footer-col a {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    padding: 5px 0;
    transition: color .3s, padding-left .3s;
}
.footer-col a:hover { color: var(--gold-bright); padding-left: 6px; }
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    border-top: 1px solid var(--border);
    padding: 20px 0;
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    .sidebar-card { margin-bottom: 0; }
    .faq-grid { grid-template-columns: 1fr; gap: 36px; }
    .category-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
}
@media (max-width: 900px) {
    .nav-burger {
        display: flex;
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: var(--bg-card);
        border: 1px solid var(--border);
        align-items: center;
        justify-content: center;
        cursor: pointer;
        position: relative;
        z-index: 1200;
        transition: border-color .3s;
    }
    .nav-burger:hover { border-color: var(--border-gold); }
    .nav-burger span,
    .nav-burger span::before,
    .nav-burger span::after {
        content: '';
        display: block;
        width: 18px;
        height: 2px;
        background: var(--text-main);
        transition: all .3s;
        position: relative;
        border-radius: 2px;
    }
    .nav-burger span::before { position: absolute; top: -6px; }
    .nav-burger span::after { position: absolute; top: 6px; }
    .nav-toggle:checked ~ .nav-burger span { background: transparent; }
    .nav-toggle:checked ~ .nav-burger span::before { top: 0; transform: rotate(45deg); }
    .nav-toggle:checked ~ .nav-burger span::after { top: 0; transform: rotate(-45deg); }
    .nav-links {
        position: fixed;
        top: 80px;
        right: 16px;
        left: 16px;
        z-index: 1100;
        background: rgba(27, 24, 18, .98);
        backdrop-filter: blur(16px);
        border: 1px solid var(--border);
        border-radius: 20px;
        padding: 16px;
        display: flex;
        flex-direction: column;
        gap: 6px;
        transform: translateY(-14px);
        opacity: 0;
        visibility: hidden;
        transition: opacity .3s, transform .3s, visibility .3s;
        box-shadow: var(--shadow-2);
    }
    .nav-toggle:checked ~ .nav-links {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .nav-links a { border-radius: 12px; padding: 12px 16px; }
    .nav-links .nav-cta { margin: 8px 0 0; justify-content: center; }
    .category-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .cta-inner { flex-direction: column; text-align: center; }
    .cta-actions { justify-content: center; }
}
@media (max-width: 768px) {
    .page-hero { padding: 56px 0 52px; }
    .article-card { padding: 32px 24px; }
    .article-body { font-size: 1rem; }
    .article-sidebar { grid-template-columns: 1fr; }
    .sidebar-card { margin-bottom: 20px; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .nav-dock { padding: 8px 12px 8px 18px; gap: 10px; }
    .brand { font-size: 16px; gap: 8px; }
    .brand-icon { font-size: 20px; }
    .page-hero { padding: 44px 0 40px; }
    .page-hero h1 { font-size: 27px; }
    .category-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { justify-content: center; text-align: center; }
    .article-card { padding: 26px 18px; }
    .article-card::before { inset: 5px; }
    .faq-item summary { padding: 18px 16px; font-size: 15px; }
    .faq-item p { padding: 0 16px 18px 44px; }
    .btn { width: 100%; justify-content: center; }
    .hero-meta { gap: 10px 18px; }
    .article-meta { gap: 10px 18px; }
}

/* roulang page: category3 */
:root {
  --bg-body: #1a1713;
  --bg-card: #221e18;
  --bg-deep: #14110e;
  --bg-soft: #2a251d;
  --bg-tint: #302a21;
  --primary: #c9a96e;
  --primary-dark: #a8894e;
  --secondary: #6f8b72;
  --accent: #a5584e;
  --text-main: #f0e7d5;
  --text-soft: #b5a88f;
  --text-dim: #8c7f6b;
  --border: rgba(201, 169, 110, 0.26);
  --border-strong: rgba(201, 169, 110, 0.52);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.30);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.40);
  --space-section: 6rem;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: "Noto Serif SC", "Songti SC", serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 4px 4px;
  pointer-events: none;
  z-index: 999;
  opacity: 0.5;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.25s ease, opacity 0.25s ease;
}

a:hover {
  color: var(--text-main);
}

button, input {
  font-family: inherit;
  font-size: inherit;
}

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

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

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 5px 18px;
  margin-bottom: 18px;
  background: rgba(201, 169, 110, 0.07);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
}

.section-subtitle {
  margin-top: 14px;
  color: var(--text-soft);
  font-size: 1.02rem;
  line-height: 1.8;
}

/* ===== Header / Floating Dock ===== */
.site-header {
  position: sticky;
  top: 18px;
  z-index: 1000;
  padding: 0 20px;
}

.nav-dock {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(28, 24, 19, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(201, 169, 110, 0.28);
  border-radius: 56px;
  padding: 10px 18px 10px 26px;
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.40), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-icon {
  color: var(--primary);
  font-size: 1.35rem;
  transition: transform 0.5s ease;
}

.brand:hover .brand-icon {
  transform: rotate(180deg);
}

.brand:hover {
  color: var(--text-main);
}

.nav-toggle {
  display: none;
}

.nav-burger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(201, 169, 110, 0.06);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

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

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: var(--radius-full);
  color: var(--text-soft);
  font-size: 0.94rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all 0.25s ease;
}

.nav-link i {
  font-size: 0.9rem;
  color: var(--text-dim);
  transition: color 0.25s ease;
}

.nav-link:hover {
  color: var(--text-main);
  background: rgba(201, 169, 110, 0.08);
  border-color: var(--border);
}

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

.nav-link.active {
  color: #1a1713;
  background: var(--primary);
  border-color: var(--primary);
  font-weight: 600;
}

.nav-link.active i {
  color: #1a1713;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  border-radius: var(--radius-full);
  background: transparent;
  border: 1px dashed var(--border-strong);
  color: var(--primary);
  font-size: 0.92rem;
  font-weight: 600;
  margin-left: 6px;
  transition: all 0.25s ease;
}

.nav-cta:hover {
  background: rgba(201, 169, 110, 0.12);
  border-style: solid;
  color: var(--text-main);
  transform: translateY(-1px);
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 7rem 0 6rem;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(20, 17, 14, 0.82), rgba(20, 17, 14, 0.55)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}

.page-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to top, var(--bg-body), transparent);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 169, 110, 0.12);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  padding: 6px 20px;
  color: var(--primary);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.18;
  color: var(--text-main);
  text-shadow: 0 4px 32px rgba(0, 0, 0, 0.35);
}

.hero-title span {
  color: var(--primary);
}

.hero-desc {
  margin-top: 20px;
  font-size: 1.08rem;
  color: var(--text-soft);
  line-height: 1.9;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}

.hero-tags span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 0.84rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn:hover {
  background: rgba(201, 169, 110, 0.1);
  color: var(--text-main);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-primary {
  background: var(--primary);
  color: #1a1713;
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: #1a1713;
  border-color: var(--primary-dark);
  box-shadow: 0 10px 30px rgba(201, 169, 110, 0.22);
}

.btn-outline-light {
  border-color: rgba(240, 231, 213, 0.35);
  color: var(--text-main);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(240, 231, 213, 0.6);
  color: var(--text-main);
}

/* ===== Watch Methods ===== */
.watch-methods-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.method-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  position: relative;
  transition: all 0.35s ease;
  overflow: hidden;
}

.method-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.method-card:hover::before {
  transform: scaleX(1);
}

.method-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.method-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 169, 110, 0.1);
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.method-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--text-main);
}

.method-card p {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* ===== Hot Guides ===== */
.hot-guides {
  background: var(--bg-deep);
}

.hot-guides-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.guide-card {
  display: flex;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.35s ease;
}

.guide-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
}

.guide-cover {
  position: relative;
  width: 46%;
  min-height: 230px;
  overflow: hidden;
}

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

.guide-card:hover .guide-cover img {
  transform: scale(1.06);
}

.guide-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20, 17, 14, 0.4), transparent);
}

.guide-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(20, 17, 14, 0.75);
  border: 1px solid var(--border-strong);
  color: var(--primary);
  border-radius: var(--radius-full);
  padding: 4px 14px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  backdrop-filter: blur(6px);
}

.guide-body {
  flex: 1;
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.guide-body h3 {
  font-family: var(--font-display);
  font-size: 1.22rem;
  margin-bottom: 10px;
  color: var(--text-main);
}

.guide-body p {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 14px;
}

.guide-meta {
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== Tools ===== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.tool-card {
  background: linear-gradient(160deg, var(--bg-card), var(--bg-deep));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.35s ease;
  position: relative;
}

.tool-card::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(201, 169, 110, 0.12);
  border-radius: calc(var(--radius-lg) - 8px);
  pointer-events: none;
}

.tool-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.tool-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  margin: 0 auto 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 169, 110, 0.09);
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 1.6rem;
  transition: transform 0.4s ease;
}

.tool-card:hover .tool-icon {
  transform: scale(1.08) rotate(6deg);
}

.tool-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.tool-card p {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* ===== Tips ===== */
.tips {
  background: linear-gradient(135deg, rgba(20, 17, 14, 0.88), rgba(20, 17, 14, 0.72)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}

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

.tip-item {
  position: relative;
  background: rgba(30, 26, 21, 0.82);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px 30px;
  backdrop-filter: blur(8px);
  transition: all 0.35s ease;
}

.tip-item:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  background: rgba(34, 30, 24, 0.9);
}

.tip-number {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px var(--primary);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.7;
}

.tip-item h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--text-main);
}

.tip-item p {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

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

.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-main);
  list-style: none;
  font-size: 1rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "\f107";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  padding: 0 24px 22px;
  color: var(--text-soft);
  font-size: 0.94rem;
  line-height: 1.8;
}

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

.cta-box {
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.12), rgba(20, 17, 14, 0.6)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(20, 17, 14, 0.55);
}

.cta-box > * {
  position: relative;
  z-index: 2;
}

.cta-box h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  margin-bottom: 14px;
}

.cta-box p {
  color: var(--text-soft);
  max-width: 520px;
  margin: 0 auto 30px;
  font-size: 1rem;
  line-height: 1.8;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(201, 169, 110, 0.12);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
}

.footer-desc {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 320px;
}

.footer-col h4 {
  color: var(--text-main);
  font-size: 1rem;
  margin-bottom: 18px;
  font-family: var(--font-display);
}

.footer-col a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: all 0.25s ease;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 24px;
  color: var(--text-dim);
  font-size: 0.84rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root {
    --space-section: 4.5rem;
  }

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

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

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

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

@media (max-width: 860px) {
  .nav-burger {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 14px);
    left: 0;
    right: 0;
    background: rgba(28, 24, 19, 0.97);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(14px);
  }

  .nav-toggle:checked ~ .nav-links {
    display: flex;
  }

  .nav-link, .nav-cta {
    justify-content: flex-start;
    padding: 12px 18px;
    border-radius: var(--radius-md);
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 4px;
    border-style: dashed;
    justify-content: center;
  }

  .hot-guides-grid {
    grid-template-columns: 1fr;
  }

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

  .guide-cover {
    width: 100%;
    min-height: 180px;
  }
}

@media (max-width: 600px) {
  :root {
    --space-section: 3.5rem;
  }

  .container {
    padding: 0 16px;
  }

  .watch-methods-grid,
  .tools-grid,
  .tips-grid {
    grid-template-columns: 1fr;
  }

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

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

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .site-header {
    top: 10px;
    padding: 0 10px;
  }

  .brand {
    font-size: 0.92rem;
  }

  .brand-icon {
    font-size: 1.1rem;
  }

  .page-hero {
    padding: 4.5rem 0 4rem;
  }

  .hero-tags {
    gap: 6px;
  }

  .hero-tags span {
    font-size: 0.76rem;
    padding: 5px 10px;
  }
}

@media (max-width: 420px) {
  .brand span {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}