/* roulang page: index */
:root {
  --color-primary: #E8541B;
  --color-primary-hover: #C84916;
  --color-secondary: #161B22;
  --color-accent: #FFB85C;
  --color-bg: #F6F7F9;
  --color-surface: #FFFFFF;
  --color-surface-soft: #FFF4EC;
  --color-text: #22262C;
  --color-text-muted: #5D6772;
  --color-border: #E3E7ED;
  --color-success: #1F9D6E;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, .08);
  --shadow-md: 0 6px 18px rgba(16, 24, 40, .10);
  --shadow-lg: 0 14px 36px rgba(16, 24, 40, .14);
  --container: 1200px;
  --gutter: 24px;
  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; border: 0; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; color: var(--color-text); }
p { margin: 0 0 16px 0; }
section { scroll-margin-top: 132px; }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  padding: 12px 24px;
  font-weight: 600;
  line-height: 1.2;
  min-height: 44px;
  border: 1px solid transparent;
  transition: background .2s, border-color .2s, box-shadow .2s, transform .1s;
  text-align: center;
}
.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: 0 6px 16px rgba(232, 84, 27, .24); }
.btn-secondary { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-secondary:hover { background: var(--color-surface-soft); }
.btn-lg { min-height: 52px; padding: 14px 32px; font-size: 1.05rem; }
.btn-sm { min-height: 40px; padding: 8px 16px; font-size: .875rem; }
.btn-white { background: #fff; color: var(--color-primary); }
.btn-white:hover { background: #F7E7DF; }

.badge {
  display: inline-flex;
  align-items: center;
  background: var(--color-surface-soft);
  color: var(--color-primary);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: .875rem;
  font-weight: 600;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .98);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  justify-content: flex-end;
}
.search-box {
  display: flex;
  align-items: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 0 6px 0 14px;
  min-width: 220px;
  max-width: 320px;
  height: 40px;
  transition: border-color .2s, box-shadow .2s;
}
.search-box:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(232, 84, 27, .12);
}
.search-box input {
  border: 0;
  background: transparent;
  outline: 0;
  flex: 1;
  min-width: 0;
  height: 100%;
  font-size: .875rem;
}
.search-box button {
  border: 0;
  background: transparent;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, color .2s;
}
.search-box button:hover {
  background: var(--color-surface-soft);
  color: var(--color-primary);
}
.main-nav {
  border-top: 1px solid var(--color-border);
  background: #fff;
}
.nav-scroll {
  display: flex;
  gap: 8px;
  padding: 8px var(--gutter);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 6px 18px;
  border-radius: 20px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: .925rem;
  font-weight: 600;
  transition: background .2s, color .2s;
}
.nav-item:hover {
  background: var(--color-surface-soft);
  color: var(--color-primary);
}
.nav-item.active {
  background: var(--color-primary);
  color: #fff;
}

.hero {
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
  padding: 72px 0 80px;
}
.hero::before {
  content: "";
  position: absolute;
  right: -160px;
  top: -80px;
  width: 420px;
  height: 420px;
  border-radius: 42% 58% 67% 33% / 44% 36% 64% 56%;
  background: var(--color-surface-soft);
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 14px;
  font-size: .875rem;
  letter-spacing: .04em;
}
.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  color: var(--color-text);
}
.hero-lead {
  margin: 18px 0 28px;
  max-width: 540px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.hero-visual { position: relative; }
.hero-img-wrap {
  position: relative;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  background: var(--color-surface-soft);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-visual-card {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.hero-visual-card .vc-title {
  font-weight: 700;
  margin-bottom: 4px;
}
.hero-visual-card p {
  margin: 0;
  font-size: .85rem;
  color: var(--color-text-muted);
}

.section { padding: 80px 0; }
.section-alt { background: var(--color-surface); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.section-tag {
  display: inline-block;
  color: var(--color-primary);
  background: var(--color-surface-soft);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .05em;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-top: 4px;
}
.section-head p {
  color: var(--color-text-muted);
  margin: 8px 0 0;
  max-width: 560px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-surface-soft);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: transform .2s;
}
.card:hover .card-icon { transform: translateY(-2px); }
.card h3 { font-size: 1.125rem; margin-bottom: 8px; }
.card p {
  color: var(--color-text-muted);
  font-size: .95rem;
  margin-bottom: 12px;
}
.card-link {
  color: var(--color-primary);
  font-weight: 600;
  font-size: .9rem;
}
.card-link:hover { text-decoration: underline; }
.card-wide { grid-column: span 2; }

.stats-band {
  background: var(--color-secondary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 24px;
  align-items: center;
  margin-top: 48px;
}
.stats-band .stats-title h3 {
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 6px;
}
.stats-band .stats-title p {
  color: #B8C0CC;
  margin: 0;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.stat-label {
  color: #C9D2DC;
  margin-top: 6px;
  font-size: .95rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}
.price-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  position: relative;
  transition: box-shadow .2s, transform .2s;
  display: flex;
  flex-direction: column;
}
.price-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.price-card.recommended {
  background: var(--color-surface-soft);
  border: 1.5px solid var(--color-primary);
}
.rec-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 700;
  white-space: nowrap;
}
.price-name { font-size: 1.1rem; font-weight: 700; }
.price-tag {
  font-size: 1.8rem;
  font-weight: 700;
  margin-top: 8px;
  font-variant-numeric: tabular-nums;
}
.price-desc {
  color: var(--color-text-muted);
  font-size: .875rem;
  margin: 6px 0 18px;
}
.price-features { margin: 0 0 22px; flex: 1; }
.price-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: .925rem;
}
.price-features li:last-child { border-bottom: 0; }
.price-features .check { color: var(--color-success); font-weight: 700; }

.news-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  align-items: start;
}
.news-list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}
.news-list-item:last-child { border-bottom: 0; }
.news-meta {
  flex: 0 0 auto;
  color: var(--color-text-muted);
  font-size: .8rem;
}
.news-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
}
.news-title a { color: inherit; }
.news-title a:hover { color: var(--color-primary); }
.news-tag {
  background: var(--color-surface-soft);
  color: var(--color-primary);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: .75rem;
  font-weight: 600;
  margin-right: 6px;
}
.news-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-side-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px;
}
.news-side-card h3 {
  font-size: 1rem;
  margin-bottom: 12px;
}
.side-link-list li {
  padding: 9px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: .9rem;
}
.side-link-list li:last-child { border-bottom: 0; }
.side-link-list a:hover { color: var(--color-primary); }
.mini-cover {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}
.mini-cover img {
  width: 76px;
  height: 54px;
  object-fit: cover;
  border-radius: 8px;
  flex: 0 0 auto;
}
.mini-cover .mini-text {
  font-size: .9rem;
  font-weight: 600;
  line-height: 1.4;
}
.mini-cover .mini-text span {
  display: block;
  color: var(--color-text-muted);
  font-weight: 400;
  font-size: .78rem;
  margin-top: 3px;
}

.cta-section {
  padding: 56px 0;
  background: linear-gradient(135deg, var(--color-primary), #B93E14);
  color: #fff;
  text-align: center;
}
.cta-title {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  color: #fff;
  margin-bottom: 8px;
}
.cta-sub {
  color: #FFE5D6;
  margin-bottom: 28px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-contact {
  display: flex;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  margin-top: 32px;
  font-size: .9rem;
}
.cta-contact a { color: #FFE5D6; }
.cta-contact a:hover { color: #fff; text-decoration: underline; }

.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-bottom: 12px;
  background: var(--color-surface);
  overflow: hidden;
  transition: border-color .2s, background .2s;
}
.faq-item[open] {
  border-color: var(--color-primary);
  background: var(--color-surface-soft);
}
.faq-question {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-q-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 700;
  flex: 0 0 auto;
}
.faq-arrow {
  margin-left: auto;
  width: 18px;
  height: 18px;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
  transition: transform .2s;
}
.faq-item[open] .faq-arrow {
  transform: rotate(225deg);
  margin-top: -6px;
}
.faq-answer {
  padding: 0 20px 18px 56px;
  color: var(--color-text-muted);
  font-size: .95rem;
}

.site-footer {
  background: var(--color-secondary);
  color: #C9D2DC;
  padding-top: 56px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 32px;
}
.footer-brand .brand { color: #fff; margin-bottom: 12px; }
.footer-brand p {
  font-size: .9rem;
  margin-bottom: 16px;
  color: #AEB8C4;
}
.social-links {
  display: flex;
  gap: 8px;
}
.social-links a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  transition: background .2s, color .2s;
}
.social-links a:hover {
  background: var(--color-primary);
  color: #fff;
}
.footer-col h4 {
  color: #fff;
  font-size: .95rem;
  margin-bottom: 12px;
}
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  font-size: .875rem;
  color: #AEB8C4;
}
.footer-col a:hover { color: var(--color-primary); }
.footer-copyright {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
  font-size: .8rem;
  color: #8C97A5;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-copyright a { color: #8C97A5; }
.footer-copyright a:hover { color: var(--color-primary); }

@media (max-width: 991px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .card-wide { grid-column: span 1; }
  .stats-band { grid-template-columns: 1fr 1fr 1fr; }
  .stats-band .stats-title { grid-column: 1 / -1; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .price-card:last-child { grid-column: span 2; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 767px) {
  :root { --gutter: 16px; }
  .container { padding-left: 16px; padding-right: 16px; }
  .header-top {
    min-height: 0;
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 10px;
  }
  .brand { width: 100%; justify-content: center; }
  .header-tools { width: 100%; justify-content: center; }
  .search-box { max-width: none; width: 100%; }
  .section { padding: 48px 0; }
  .hero { padding: 48px 0 56px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual-card { position: static; margin-top: 12px; flex-wrap: wrap; }
  .hero-actions .btn { width: auto; }
  .grid-4, .grid-3, .grid-2, .pricing-grid { grid-template-columns: 1fr; }
  .price-card:last-child { grid-column: span 1; }
  .stats-band { grid-template-columns: 1fr; text-align: center; }
  .stats-band .stats-title { grid-column: auto; }
  .stat-item { text-align: center; }
  .news-list-item { flex-direction: column; align-items: flex-start; gap: 6px; }
  .faq-answer { padding-left: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-copyright { flex-direction: column; }
}

/* roulang page: category1 */
:root {
  --color-primary: #E8541B;
  --color-primary-hover: #C84916;
  --color-secondary: #161B22;
  --color-accent: #FFB85C;
  --color-bg: #F6F7F9;
  --color-surface: #FFFFFF;
  --color-surface-soft: #FFF4EC;
  --color-text: #22262C;
  --color-text-muted: #5D6772;
  --color-border: #E3E7ED;
  --color-success: #1F9D6E;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, .08);
  --shadow-md: 0 6px 18px rgba(16, 24, 40, .10);
  --shadow-lg: 0 14px 36px rgba(16, 24, 40, .14);
  --container: 1200px;
  --gutter: 24px;
  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; border: 0; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
section { scroll-margin-top: 132px; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md); padding: 12px 24px; font-weight: 600;
  line-height: 1.2; min-height: 44px; border: 1px solid transparent;
  transition: background .2s, border-color .2s, box-shadow .2s, transform .1s;
  text-align: center;
}
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: 0 6px 16px rgba(232, 84, 27, .24); }
.btn-secondary { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-secondary:hover { background: var(--color-surface-soft); }
.btn-lg { min-height: 52px; padding: 14px 32px; font-size: 1.05rem; }
.btn-sm { min-height: 40px; padding: 8px 16px; font-size: .875rem; }
.badge {
  display: inline-flex; align-items: center; background: var(--color-surface-soft);
  color: var(--color-primary); border-radius: 20px; padding: 6px 14px;
  font-size: .875rem; font-weight: 600;
}
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .98);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.header-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 72px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 1.4rem; font-weight: 700; color: var(--color-text); white-space: nowrap;
}
.brand-icon {
  width: 38px; height: 38px; border-radius: 10px; background: var(--color-primary);
  color: #fff; display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto;
}
.header-tools { display: flex; align-items: center; gap: 12px; flex: 1; justify-content: flex-end; }
.search-box {
  display: flex; align-items: center; background: var(--color-bg);
  border: 1px solid var(--color-border); border-radius: 20px;
  padding: 0 6px 0 14px; min-width: 220px; max-width: 320px; height: 40px;
  transition: border-color .2s, box-shadow .2s;
}
.search-box:focus-within { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(232, 84, 27, .12); }
.search-box input { border: 0; background: transparent; outline: 0; flex: 1; min-width: 0; height: 100%; font-size: .875rem; }
.search-box button {
  border: 0; background: transparent; width: 34px; height: 34px; border-radius: 50%;
  color: var(--color-text-muted); display: inline-flex; align-items: center; justify-content: center;
  transition: background .2s, color .2s;
}
.search-box button:hover { background: var(--color-surface-soft); color: var(--color-primary); }
.main-nav { border-top: 1px solid var(--color-border); background: #fff; }
.nav-scroll { display: flex; gap: 8px; padding: 8px var(--gutter); overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; }
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-item {
  flex: 0 0 auto; display: inline-flex; align-items: center; min-height: 38px;
  padding: 6px 18px; border-radius: 20px; background: var(--color-bg);
  color: var(--color-text); font-size: .925rem; font-weight: 600;
  transition: background .2s, color .2s;
}
.nav-item:hover { background: var(--color-surface-soft); color: var(--color-primary); }
.nav-item.active { background: var(--color-primary); color: #fff; }

/* ===== 分类页页面头部 ===== */
.page-hero {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 52px 0 48px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  left: -80px; bottom: -80px;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: var(--color-surface-soft);
  z-index: 0;
}
.page-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 44px;
  align-items: center;
}
.crumbs {
  display: flex; align-items: center; gap: 6px;
  font-size: .875rem; color: var(--color-text-muted);
  margin-bottom: 12px;
}
.crumbs a { color: var(--color-text-muted); transition: color .2s; }
.crumbs a:hover { color: var(--color-primary); }
.crumbs .sep { opacity: .5; }
.page-hero h1 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  margin: 8px 0 14px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--color-text);
}
.page-hero-desc {
  color: var(--color-text-muted);
  font-size: .95rem;
  max-width: 600px;
}
.page-hero-stats {
  display: flex; flex-wrap: wrap; gap: 18px;
  margin-top: 22px;
}
.stat-item {
  display: flex; align-items: center; gap: 8px;
  font-size: .875rem; color: var(--color-text);
}
.stat-item i {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-success); display: inline-block;
}
.hero-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--color-surface-soft);
}
.hero-cover img { width: 100%; height: 100%; object-fit: cover; }
.hero-cover-tag {
  position: absolute; left: 16px; bottom: 16px;
  background: rgba(22, 27, 34, .82); color: #fff;
  border-radius: 20px; padding: 6px 14px;
  font-size: .8125rem; font-weight: 600;
  backdrop-filter: blur(4px);
}

/* ===== 筛选排序条 ===== */
.filter-bar {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}
.filter-bar-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.filter-pills {
  display: flex; gap: 8px; overflow-x: auto;
  scrollbar-width: none; -ms-overflow-style: none;
  padding-bottom: 2px;
}
.filter-pills::-webkit-scrollbar { display: none; }
.filter-pill {
  flex: 0 0 auto; display: inline-flex; align-items: center;
  min-height: 32px; padding: 4px 16px; border-radius: 20px;
  background: var(--color-bg); border: 1px solid var(--color-border);
  color: var(--color-text-muted); font-size: .8125rem; font-weight: 500;
  transition: all .2s;
}
.filter-pill:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-surface-soft); }
.filter-pill.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.sort-group { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.sort-btn {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 32px; padding: 4px 14px; border-radius: 8px;
  background: transparent; border: 1px solid var(--color-border);
  color: var(--color-text-muted); font-size: .8125rem;
  transition: all .2s;
}
.sort-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.sort-btn.active { background: var(--color-surface-soft); border-color: var(--color-primary); color: var(--color-primary); }
.sort-btn svg { width: 14px; height: 14px; }

/* ===== 列表 + 侧栏 ===== */
.content-wrap {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  padding: 40px 0 56px;
}
.content-list { display: flex; flex-direction: column; gap: 20px; }
.list-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .25s, border-color .25s;
}
.list-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.list-card-cover {
  position: relative; overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--color-surface-soft);
}
.list-card-cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .35s ease;
}
.list-card:hover .list-card-cover img { transform: scale(1.03); }
.list-card-duration {
  position: absolute; right: 10px; bottom: 10px;
  background: rgba(22, 27, 34, .78); color: #fff;
  font-size: .75rem; border-radius: 6px; padding: 2px 8px;
  letter-spacing: .02em;
}
.list-card-body { padding: 22px 24px; display: flex; flex-direction: column; }
.list-card-body h3 {
  font-size: 1.1rem; font-weight: 600; margin: 0 0 8px;
  line-height: 1.4;
}
.list-card-body h3 a { transition: color .2s; }
.list-card-body h3 a:hover { color: var(--color-primary); }
.list-card-excerpt {
  color: var(--color-text-muted); font-size: .9rem;
  margin: 0 0 14px; flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.list-card-meta {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: .8125rem; color: var(--color-text-muted);
}
.list-card-meta .tag {
  display: inline-flex; align-items: center; min-height: 24px;
  padding: 2px 10px; border-radius: 20px;
  background: var(--color-surface-soft); color: var(--color-primary);
  font-size: .75rem; font-weight: 600;
}
.list-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 12px; padding-top: 12px;
  border-top: 1px dashed var(--color-border);
}
.list-card-footer .views {
  font-size: .8125rem; color: var(--color-text-muted); display: flex; align-items: center; gap: 4px;
}
.text-link {
  color: var(--color-primary); font-weight: 600; font-size: .875rem;
  display: inline-flex; align-items: center; gap: 4px;
  transition: gap .2s;
}
.text-link:hover { gap: 8px; color: var(--color-primary-hover); }
.text-link svg { width: 14px; height: 14px; }

/* 分页 */
.pagination { display: flex; gap: 8px; margin-top: 28px; flex-wrap: wrap; }
.page-num {
  width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px; background: #fff; border: 1px solid var(--color-border);
  color: var(--color-text); font-weight: 600; font-size: .9rem;
  transition: all .2s;
}
.page-num:hover { border-color: var(--color-primary); color: var(--color-primary); }
.page-num.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* 侧栏 */
.sidebar { display: flex; flex-direction: column; gap: 24px; }
.side-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px;
}
.side-card h4 {
  font-size: 1rem; font-weight: 700; margin: 0 0 16px;
  display: flex; align-items: center; gap: 8px;
}
.side-card h4::before {
  content: ""; width: 4px; height: 18px; border-radius: 2px;
  background: var(--color-primary);
}
.hot-list { list-style: none; margin: 0; padding: 0; }
.hot-list li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}
.hot-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.hot-list .rank {
  font-size: 1.5rem; font-weight: 700; color: var(--color-border);
  line-height: 1; flex: 0 0 auto; width: 28px;
  font-variant-numeric: tabular-nums;
}
.hot-list li:nth-child(1) .rank { color: var(--color-primary); }
.hot-list li:nth-child(2) .rank { color: var(--color-primary); }
.hot-list li:nth-child(3) .rank { color: var(--color-accent); }
.hot-list a {
  font-size: .875rem; line-height: 1.5;
  display: block;
  transition: color .2s;
}
.hot-list a:hover { color: var(--color-primary); }
.hot-list .hot-meta {
  font-size: .75rem; color: var(--color-text-muted); margin-top: 2px;
}
.update-list { list-style: none; margin: 0; padding: 0; }
.update-list li {
  position: relative; padding: 0 0 18px 18px;
  border-left: 2px solid var(--color-border);
}
.update-list li::before {
  content: ""; position: absolute; left: -5px; top: 6px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-primary);
}
.update-list li:last-child { border-left-color: transparent; padding-bottom: 0; }
.update-list .update-date {
  font-size: .75rem; color: var(--color-text-muted); display: block;
}
.update-list .update-title {
  font-size: .875rem; color: var(--color-text); line-height: 1.5;
  transition: color .2s;
}
.update-list .update-title:hover { color: var(--color-primary); }
.side-cta {
  background: var(--color-surface-soft);
  border: 1px solid rgba(232, 84, 27, .18);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  text-align: center;
}
.side-cta .side-cta-title {
  font-size: 1rem; font-weight: 700; margin: 0 0 6px;
  color: var(--color-text);
}
.side-cta p {
  font-size: .8125rem; color: var(--color-text-muted);
  margin: 0 0 14px; line-height: 1.6;
}
.side-cta .btn { width: 100%; }

/* ===== 底部 CTA ===== */
.cta-band {
  background: var(--color-secondary);
  padding: 52px 0;
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 220px; height: 220px; border-radius: 50%;
  background: rgba(232, 84, 27, .16);
}
.cta-band-inner {
  position: relative; z-index: 1;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.cta-band h2 {
  color: #fff; font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  margin: 0 0 10px;
}
.cta-band p {
  color: rgba(255, 255, 255, .72);
  font-size: .95rem; margin: 0 0 26px;
}
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-channels {
  display: flex; justify-content: center; gap: 28px; flex-wrap: wrap;
  margin-top: 34px; padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.cta-channel {
  display: flex; align-items: center; gap: 8px;
  color: rgba(255, 255, 255, .7); font-size: .875rem;
  transition: color .2s;
}
.cta-channel:hover { color: var(--color-accent); }
.cta-channel svg { width: 16px; height: 16px; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--color-secondary);
  color: rgba(255, 255, 255, .72);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
}
.footer-brand .brand { color: #fff; margin-bottom: 14px; }
.footer-brand p {
  font-size: .875rem; color: rgba(255, 255, 255, .58);
  line-height: 1.7; margin: 4px 0 18px; max-width: 340px;
}
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255, 255, 255, .08);
  display: inline-flex; align-items: center; justify-content: center;
  color: rgba(255, 255, 255, .7); font-size: .8125rem;
  transition: background .2s, color .2s;
}
.social-links a:hover { background: var(--color-primary); color: #fff; }
.footer-col h4 {
  font-size: .95rem; color: #fff; font-weight: 600;
  margin: 0 0 16px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  font-size: .875rem; color: rgba(255, 255, 255, .6);
  transition: color .2s;
}
.footer-col ul a:hover { color: var(--color-accent); }
.footer-copyright {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: .8125rem; color: rgba(255, 255, 255, .45);
}

/* ===== 响应式 ===== */
@media (max-width: 991.98px) {
  .page-hero-inner { grid-template-columns: 1fr 340px; gap: 28px; }
  .content-wrap { grid-template-columns: 1fr; }
  .sidebar { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .side-cta { grid-column: span 2; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}
@media (max-width: 767.98px) {
  :root { --gutter: 16px; }
  .header-top { min-height: 64px; flex-wrap: wrap; }
  .brand { font-size: 1.2rem; }
  .brand-icon { width: 32px; height: 32px; }
  .header-tools { gap: 8px; }
  .search-box { min-width: auto; max-width: 44px; padding: 0; height: 40px; }
  .search-box input { display: none; }
  .search-box button { width: 42px; height: 40px; border-radius: 20px; }
  .page-hero { padding: 36px 0 32px; }
  .page-hero-inner { grid-template-columns: 1fr; }
  .hero-cover { max-width: 420px; }
  .filter-bar-inner { flex-direction: column; align-items: stretch; gap: 10px; }
  .sort-group { justify-content: flex-end; }
  .content-wrap { padding: 24px 0 40px; gap: 24px; }
  .list-card { grid-template-columns: 1fr; }
  .list-card-cover { aspect-ratio: 16 / 10; }
  .list-card-body { padding: 16px 18px; }
  .sidebar { display: flex; flex-direction: column; }
  .side-cta { grid-column: auto; }
  .cta-channels { gap: 14px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-copyright { flex-direction: column; text-align: center; }
  .pagination { justify-content: center; }
}