/* roulang page: index */
:root {
  --primary: #2F5D50;
  --primary-dark: #1B2924;
  --accent: #C9975A;
  --accent-dark: #B07D43;
  --bg-light: #F7F3EC;
  --bg-card: #FBF8F3;
  --text-primary: #262621;
  --text-secondary: #5B5A52;
  --text-muted: #8C8980;
  --text-dark: #F4EFE6;
  --text-dark-sub: #C7C1B4;
  --border-light: rgba(47, 93, 80, .12);
  --border-accent: rgba(201, 151, 90, .45);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-badge: 16px;
  --shadow-card: 0 2px 8px rgba(27, 41, 36, .06);
  --shadow-hover: 0 8px 24px rgba(27, 41, 36, .12);
  --spacing-section: 96px;
  --container-width: 1200px;
  --transition: all .25s ease;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-primary);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--accent-dark);
}
ul,
ol {
  list-style: none;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
section {
  position: relative;
}
.section-padding {
  padding: var(--spacing-section) 0;
}
@media (max-width: 1023px) {
  :root {
    --spacing-section: 64px;
  }
}
@media (max-width: 767px) {
  :root {
    --spacing-section: 48px;
  }
  .container {
    padding: 0 16px;
  }
}

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid rgba(47, 93, 80, .08);
  transition: box-shadow .3s ease, background .3s ease;
}
.site-header.scrolled {
  box-shadow: 0 2px 16px rgba(27, 41, 36, .08);
  background: #fff;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .02em;
  flex-shrink: 0;
}
.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.logo-icon::after {
  content: '';
  width: 12px;
  height: 12px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  position: absolute;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.main-nav a {
  font-size: .9375rem;
  color: var(--text-secondary);
  font-weight: 500;
  padding: 4px 2px;
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform .25s ease;
}
.main-nav a:hover {
  color: var(--primary);
}
.main-nav a.active {
  color: var(--primary);
  font-weight: 600;
}
.main-nav a.active::after {
  transform: scaleX(1);
}
.header-cta {
  flex-shrink: 0;
}
.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: .9375rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-btn);
  transition: var(--transition);
  border: 1px solid transparent;
}
.btn-nav:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 101;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
@media (max-width: 1023px) {
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid rgba(47, 93, 80, .08);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 24px;
    transform: translateY(-120%);
    transition: transform .3s ease;
    box-shadow: 0 8px 24px rgba(27, 41, 36, .08);
    z-index: 99;
    overflow-y: auto;
    max-height: calc(100vh - 64px);
  }
  .main-nav.open {
    transform: translateY(0);
  }
  .main-nav a {
    padding: 14px 8px;
    border-bottom: 1px solid rgba(47, 93, 80, .06);
    font-size: 1rem;
  }
  .main-nav a::after {
    display: none;
  }
  .main-nav a.active {
    border-left: 3px solid var(--accent);
    padding-left: 12px;
  }
  .hamburger {
    display: flex;
  }
  .header-cta {
    display: none;
  }
}

/* ===== Hero ===== */
.hero {
  background: var(--primary-dark);
  min-height: 520px;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, transparent 40%, rgba(201, 151, 90, .08));
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -120px;
  left: -80px;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(201, 151, 90, .12);
  border-radius: 50%;
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
  width: 100%;
}
.hero-content {
  color: var(--text-dark);
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(201, 151, 90, .14);
  border: 1px solid rgba(201, 151, 90, .3);
  color: var(--accent);
  font-size: .8125rem;
  padding: 6px 16px;
  border-radius: var(--radius-badge);
  margin-bottom: 24px;
  letter-spacing: .04em;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  color: #fff;
  letter-spacing: .02em;
}
.hero-sub {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-dark-sub);
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-visual {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 0, 0, .3);
}
.hero-visual img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  filter: saturate(.92) contrast(1.05);
}
.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(27, 41, 36, .25));
  pointer-events: none;
}
@media (max-width: 1023px) {
  .hero {
    padding: 100px 0 56px;
    min-height: auto;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-visual img {
    height: 260px;
  }
}
@media (max-width: 767px) {
  .hero {
    padding: 100px 0 40px;
  }
  .hero-badge {
    font-size: .75rem;
  }
  .hero-sub {
    font-size: .9375rem;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: .9375rem;
  font-weight: 600;
  border-radius: var(--radius-btn);
  transition: var(--transition);
  border: 1px solid transparent;
  line-height: 1.4;
  letter-spacing: .02em;
}
.btn-primary {
  background: var(--accent);
  color: var(--primary-dark);
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(201, 151, 90, .3);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: rgba(201, 151, 90, .6);
}
.btn-outline:hover {
  background: rgba(201, 151, 90, .1);
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border-color: rgba(47, 93, 80, .35);
}
.btn-outline-dark:hover {
  background: rgba(47, 93, 80, .08);
  color: var(--primary);
  border-color: var(--primary);
}
.btn-large {
  padding: 16px 44px;
  font-size: 1.0625rem;
}
.btn:focus-visible {
  outline: 3px solid rgba(201, 151, 90, .5);
  outline-offset: 2px;
}

/* ===== Stats ===== */
.stats-section {
  background: #fff;
  border-bottom: 1px solid rgba(47, 93, 80, .06);
  padding: 40px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item {
  text-align: center;
  padding: 12px 8px;
}
.stat-num {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  letter-spacing: .02em;
}
.stat-num span {
  font-size: 1.25rem;
  color: var(--accent);
  margin-left: 2px;
}
.stat-label {
  font-size: .875rem;
  color: var(--text-secondary);
  margin-top: 8px;
}
@media (max-width: 767px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .stat-num {
    font-size: 1.625rem;
  }
}

/* ===== Section titles ===== */
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-head h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: .02em;
}
.section-head p {
  color: var(--text-secondary);
  font-size: .9375rem;
  line-height: 1.7;
}
.section-head .head-line {
  width: 44px;
  height: 3px;
  background: var(--accent);
  border-radius: 4px;
  margin: 0 auto 18px;
}
@media (max-width: 767px) {
  .section-head {
    margin-bottom: 32px;
  }
}

/* ===== Benefits compare ===== */
.benefits-section {
  background: var(--bg-light);
}
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}
.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(201, 151, 90, .35);
}
.plan-card.recommended {
  border: 1px solid var(--border-accent);
  background: linear-gradient(180deg, rgba(201, 151, 90, .08), rgba(251, 248, 243, 0) 40%), var(--bg-card);
  box-shadow: 0 8px 28px rgba(201, 151, 90, .12);
}
.plan-recommend-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--primary-dark);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-badge);
  white-space: nowrap;
  border: 1px solid transparent;
}
.plan-head {
  text-align: center;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(47, 93, 80, .1);
  margin-bottom: 24px;
}
.plan-head h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.plan-desc {
  font-size: .8125rem;
  color: var(--text-muted);
}
.plan-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}
.plan-feature {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: .875rem;
  padding: 8px 12px;
  background: rgba(47, 93, 80, .03);
  border-radius: 8px;
}
.plan-feature .feat-label {
  color: var(--text-secondary);
  flex-shrink: 0;
}
.plan-feature .feat-value {
  color: var(--text-primary);
  font-weight: 600;
  text-align: right;
}
.plan-feature .feat-value.no {
  color: var(--text-muted);
  font-weight: 400;
}
.plan-cta {
  margin-top: auto;
}
.plan-cta .btn {
  width: 100%;
  justify-content: center;
}
@media (max-width: 1023px) {
  .benefits-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
  }
  .plan-card {
    padding: 30px 24px;
  }
}

/* ===== Feature cards ===== */
.features-section {
  background: #fff;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.feature-card {
  background: var(--bg-light);
  border: 1px solid transparent;
  border-radius: var(--radius-card);
  padding: 32px;
  display: flex;
  gap: 20px;
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(27, 41, 36, .03);
}
.feature-card:hover {
  border-color: rgba(201, 151, 90, .3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  border: 1px solid rgba(201, 151, 90, .5);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
  background: rgba(201, 151, 90, .06);
}
.feature-icon svg {
  width: 22px;
  height: 22px;
}
.feature-body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: .01em;
}
.feature-body p {
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
@media (max-width: 767px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .feature-card {
    padding: 24px;
    flex-direction: column;
    gap: 12px;
  }
}

/* ===== Preview content ===== */
.preview-section {
  background: var(--bg-light);
}
.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.preview-card {
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.preview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(201, 151, 90, .35);
}
.preview-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.preview-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.preview-card:hover .preview-media img {
  transform: scale(1.04);
}
.badge-member {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-badge);
  z-index: 2;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .15);
}
.preview-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.preview-body .tag {
  display: inline-flex;
  align-self: flex-start;
  font-size: .75rem;
  color: var(--primary);
  background: rgba(47, 93, 80, .08);
  padding: 4px 12px;
  border-radius: var(--radius-badge);
  margin-bottom: 12px;
  font-weight: 500;
}
.preview-body h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: .01em;
}
.preview-body p {
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .875rem;
  font-weight: 600;
  color: var(--primary);
  border-bottom: 1px solid transparent;
}
.link-more:hover {
  color: var(--accent-dark);
  border-bottom-color: rgba(201, 151, 90, .3);
}
.link-more svg {
  width: 14px;
  height: 14px;
  transition: transform .2s ease;
}
.link-more:hover svg {
  transform: translateX(3px);
}
@media (max-width: 1023px) {
  .preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 767px) {
  .preview-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .preview-body {
    padding: 20px;
  }
}

/* ===== News (CMS) ===== */
.news-section {
  background: #fff;
}
.news-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
}
.news-heading {
  position: relative;
}
.news-heading h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 14px;
  line-height: 1.3;
}
.news-heading .head-line {
  width: 44px;
  height: 3px;
  background: var(--accent);
  border-radius: 4px;
  margin-bottom: 18px;
}
.news-heading p {
  font-size: .875rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.7;
}
.news-heading .link-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .875rem;
  font-weight: 500;
  color: var(--primary);
  padding: 6px 14px;
  border: 1px solid rgba(47, 93, 80, .2);
  border-radius: var(--radius-btn);
  transition: var(--transition);
}
.news-heading .link-all:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: rgba(201, 151, 90, .06);
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  transition: var(--transition);
}
.news-item:hover {
  border-color: rgba(201, 151, 90, .35);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: .8125rem;
  color: var(--text-muted);
}
.news-category {
  display: inline-block;
  background: rgba(47, 93, 80, .08);
  color: var(--primary);
  font-weight: 500;
  padding: 3px 12px;
  border-radius: var(--radius-badge);
  font-size: .75rem;
}
.news-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  transition: var(--transition);
}
.news-item:hover .news-title {
  color: var(--primary);
}
.news-excerpt {
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.news-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}
.news-link {
  font-size: .875rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid transparent;
}
.news-link:hover {
  color: var(--accent-dark);
  border-bottom-color: rgba(201, 151, 90, .35);
}
.empty-tip {
  background: var(--bg-card);
  border: 1px dashed var(--border-light);
  border-radius: var(--radius-card);
  padding: 40px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: .9375rem;
}
@media (max-width: 1023px) {
  .news-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .news-heading {
    border-bottom: 1px solid rgba(47, 93, 80, .08);
    padding-bottom: 20px;
  }
}
@media (max-width: 767px) {
  .news-item {
    padding: 20px;
  }
  .news-meta {
    flex-wrap: wrap;
    gap: 8px;
  }
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-light);
}
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: #fff;
  border: 1px solid transparent;
  border-radius: var(--radius-card);
  transition: var(--transition);
  overflow: hidden;
}
.faq-item:hover {
  border-color: rgba(201, 151, 90, .2);
}
.faq-item.active {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-card);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  text-align: left;
  padding: 22px 28px;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  position: relative;
  transition: var(--transition);
}
.faq-item.active .faq-question {
  color: var(--primary);
}
.faq-question::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 3px;
  height: 24px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
  transition: transform .25s ease;
}
.faq-item.active .faq-question::before {
  transform: translateY(-50%) scaleY(1);
}
.faq-icon {
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--accent);
  border-radius: 2px;
  transition: transform .3s ease;
}
.faq-icon::before {
  top: 9px;
  left: 2px;
  width: 16px;
  height: 2px;
}
.faq-icon::after {
  top: 2px;
  left: 9px;
  width: 2px;
  height: 16px;
}
.faq-item.active .faq-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-answer p {
  padding: 0 28px 24px;
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.8;
  border-top: 1px solid rgba(47, 93, 80, .06);
  padding-top: 16px;
  margin: 0 28px;
  padding-left: 0;
  padding-right: 0;
}
@media (max-width: 767px) {
  .faq-question {
    padding: 18px 20px;
    font-size: .875rem;
  }
  .faq-answer p {
    padding: 14px 20px 20px;
    margin: 0 20px;
  }
}

/* ===== CTA ===== */
.cta-section {
  background: var(--primary-dark);
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 96px 0;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  border: 1px solid rgba(201, 151, 90, .1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.cta-section::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 400px;
  height: 400px;
  border: 1px solid rgba(201, 151, 90, .08);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.125rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.3;
  letter-spacing: .02em;
}
.cta-inner p {
  color: var(--text-dark-sub);
  font-size: .9375rem;
  margin-bottom: 36px;
  line-height: 1.8;
}
.cta-inner .btn-large {
  font-size: 1.0625rem;
}
@media (max-width: 767px) {
  .cta-section {
    padding: 64px 0;
  }
  .cta-inner .btn-large {
    width: 100%;
    justify-content: center;
  }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: var(--text-dark-sub);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(244, 239, 230, .1);
}
.footer-brand .footer-logo {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: .875rem;
  line-height: 1.8;
  color: var(--text-dark-sub);
  max-width: 300px;
}
.footer-col h4 {
  font-size: .9375rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  color: var(--text-dark-sub);
  font-size: .875rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-col a::before {
  content: '';
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width .2s ease;
}
.footer-col a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-col a:hover::before {
  width: 12px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  flex-wrap: wrap;
}
.footer-copyright {
  font-size: .8125rem;
  color: rgba(199, 193, 180, .7);
}
.footer-copyright a {
  color: rgba(199, 193, 180, .8);
}
.footer-copyright a:hover {
  color: var(--accent);
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(244, 239, 230, .2);
  border-radius: 8px;
  color: var(--text-dark-sub);
  transition: var(--transition);
}
.footer-social a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(201, 151, 90, .08);
}
.footer-social svg {
  width: 16px;
  height: 16px;
}
@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}
@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-brand p {
    max-width: 100%;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: article */
:root {
      --primary: #2F5D50;
      --primary-dark: #24483E;
      --accent: #C9975A;
      --accent-dark: #B07D43;
      --bg-warm: #F7F3EC;
      --bg-dark: #1B2924;
      --text-main: #262621;
      --text-secondary: #5B5A52;
      --text-muted: #8C8980;
      --text-on-dark: #F4EFE6;
      --text-on-dark-sub: #C7C1B4;
      --border-light: rgba(47, 93, 80, 0.12);
      --border-dark: rgba(244, 239, 230, 0.14);
      --card-radius: 12px;
      --btn-radius: 8px;
      --shadow-sm: 0 2px 8px rgba(27, 41, 36, 0.06);
      --shadow-md: 0 8px 24px rgba(27, 41, 36, 0.12);
      --container: 1200px;
      --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      font-family: var(--font-stack);
      background: var(--bg-warm);
      color: var(--text-main);
      line-height: 1.8;
      font-size: 1rem;
      padding-top: 64px;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

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

    /* ===== Header ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 64px;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.98);
      border-bottom: 1px solid var(--border-light);
      transition: box-shadow 0.3s ease;
    }

    .site-header.scrolled {
      box-shadow: 0 2px 16px rgba(27, 41, 36, 0.08);
    }

    .header-inner {
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      white-space: nowrap;
      text-decoration: none;
    }

    .logo-icon {
      width: 30px;
      height: 30px;
      border-radius: 8px;
      background: var(--primary);
      position: relative;
      flex-shrink: 0;
    }

    .logo-icon::after {
      content: "";
      position: absolute;
      inset: 7px;
      border-radius: 6px;
      border: 2px solid var(--accent);
    }

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

    .main-nav a {
      display: inline-block;
      padding: 8px 16px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-secondary);
      border-radius: 8px;
      transition: color 0.2s ease, background 0.2s ease;
      position: relative;
    }

    .main-nav a::after {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 2px;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.25s ease;
    }

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

    .main-nav a.active {
      color: var(--primary);
      font-weight: 600;
    }

    .main-nav a.active::after,
    .main-nav a:hover::after {
      transform: scaleX(1);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--accent);
      color: var(--primary-dark);
      font-weight: 600;
      font-size: 0.9rem;
      padding: 9px 20px;
      border-radius: var(--btn-radius);
      transition: background 0.25s ease, transform 0.15s ease;
      white-space: nowrap;
    }

    .nav-cta:hover {
      background: var(--accent-dark);
      transform: translateY(-1px);
    }

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

    .nav-toggle {
      display: none;
      width: 40px;
      height: 40px;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
    }

    .nav-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
      transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .nav-toggle.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
      opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* ===== 面包屑 ===== */
    .article-breadcrumb-wrap {
      background: var(--bg-warm);
      padding: 20px 0;
      border-bottom: 1px solid var(--border-light);
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    .breadcrumb a {
      color: var(--text-secondary);
      transition: color 0.2s ease;
    }

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

    .breadcrumb-sep {
      color: rgba(140, 137, 128, 0.6);
    }

    .breadcrumb-current {
      color: var(--text-main);
      font-weight: 500;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      max-width: 45vw;
    }

    /* ===== 文章主区 ===== */
    .article-wrapper {
      padding: 48px 0 72px;
    }

    .article-main {
      max-width: 880px;
      margin: 0 auto;
      background: #ffffff;
      border-radius: 16px;
      box-shadow: var(--shadow-sm);
      padding: clamp(28px, 4vw, 56px);
      border: 1px solid var(--border-light);
    }

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

    .article-category {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(47, 93, 80, 0.08);
      color: var(--primary);
      font-size: 0.8125rem;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: 16px;
      margin-bottom: 16px;
    }

    .article-category .official-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent);
    }

    .article-header h1 {
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 700;
      line-height: 1.35;
      color: var(--text-main);
      margin-bottom: 16px;
      letter-spacing: -0.01em;
    }

    .article-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      color: var(--text-muted);
      font-size: 0.875rem;
    }

    .article-meta .meta-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .article-meta svg {
      width: 15px;
      height: 15px;
      stroke: var(--accent);
      fill: none;
      stroke-width: 1.8;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .article-cover {
      margin: 28px 0 32px;
      border-radius: 12px;
      overflow: hidden;
      position: relative;
    }

    .article-cover img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      border-radius: 12px;
    }

    .article-cover::after {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: 12px;
      border: 1px solid var(--border-light);
      pointer-events: none;
    }

    /* ===== 正文排版 ===== */
    .article-content {
      line-height: 1.9;
      font-size: 1rem;
      color: var(--text-main);
      max-width: 780px;
      margin: 0 auto;
    }

    .article-content p {
      margin: 0 0 1.5em;
    }

    .article-content h2 {
      font-size: 1.5rem;
      color: var(--primary);
      border-left: 3px solid var(--accent);
      padding-left: 1rem;
      margin: 2.2em 0 1em;
      font-weight: 700;
      line-height: 1.4;
    }

    .article-content h3 {
      font-size: 1.25rem;
      color: var(--primary);
      border-left: 3px solid rgba(201, 151, 90, 0.45);
      padding-left: 0.8rem;
      margin: 1.8em 0 0.75em;
      font-weight: 600;
      line-height: 1.5;
    }

    .article-content h4 {
      font-size: 1.05rem;
      color: var(--primary-dark);
      margin: 1.5em 0 0.6em;
      font-weight: 600;
    }

    .article-content ul,
    .article-content ol {
      margin: 0 0 1.5em;
      padding-left: 1.5em;
    }

    .article-content ul li,
    .article-content ol li {
      margin-bottom: 0.5em;
    }

    .article-content ul li::marker {
      color: var(--accent);
    }

    .article-content ol li::marker {
      color: var(--accent);
      font-weight: 600;
    }

    .article-content blockquote {
      margin: 1.8em 0;
      padding: 1em 1.5em;
      border-left: 3px solid var(--accent);
      background: var(--bg-warm);
      border-radius: 0 10px 10px 0;
      color: var(--text-secondary);
      font-style: normal;
    }

    .article-content blockquote p:last-child {
      margin-bottom: 0;
    }

    .article-content a {
      color: var(--secondary-color, var(--primary));
      text-decoration: underline;
      text-underline-offset: 3px;
      text-decoration-color: rgba(47, 93, 80, 0.3);
      transition: text-decoration-color 0.2s ease;
    }

    .article-content a:hover {
      text-decoration-color: var(--accent);
    }

    .article-content img {
      max-width: 100%;
      height: auto;
      border-radius: 12px;
      margin: 1.5em 0;
      border: 1px solid var(--border-light);
    }

    .article-content figure {
      margin: 1.5em 0;
    }

    .article-content figcaption {
      font-size: 0.8125rem;
      color: var(--text-muted);
      text-align: center;
      margin-top: 8px;
    }

    .article-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.8em 0;
      font-size: 0.95rem;
    }

    .article-content table th,
    .article-content table td {
      border: 1px solid var(--border-light);
      padding: 12px 16px;
      text-align: left;
    }

    .article-content table th {
      background: var(--bg-warm);
      font-weight: 600;
      color: var(--primary);
    }

    .article-content pre {
      background: var(--bg-dark);
      color: var(--text-on-dark);
      border-radius: 12px;
      padding: 1.25em 1.5em;
      overflow-x: auto;
      margin: 1.5em 0;
      font-family: 'SFMono-Regular', Consolas, monospace;
      font-size: 0.875rem;
      line-height: 1.7;
    }

    .article-content code {
      font-family: 'SFMono-Regular', Consolas, monospace;
      font-size: 0.875em;
      background: rgba(47, 93, 80, 0.08);
      padding: 2px 6px;
      border-radius: 4px;
    }

    .article-content pre code {
      background: transparent;
      padding: 0;
    }

    /* ===== 空态 ===== */
    .article-empty {
      text-align: center;
      padding: 72px 24px;
      color: var(--text-muted);
    }

    .article-empty .empty-icon {
      width: 56px;
      height: 56px;
      margin: 0 auto 20px;
      border-radius: 50%;
      background: var(--bg-warm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
    }

    .article-empty p {
      font-size: 1.125rem;
      margin-bottom: 20px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 24px;
      font-size: 0.925rem;
      font-weight: 600;
      border-radius: var(--btn-radius);
      transition: background 0.25s ease, transform 0.15s ease, box-shadow 0.25s ease;
      text-decoration: none;
    }

    .btn-primary {
      background: var(--accent);
      color: var(--primary-dark);
    }

    .btn-primary:hover {
      background: var(--accent-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(201, 151, 90, 0.3);
    }

    .btn-outline {
      background: transparent;
      border: 1px solid var(--accent);
      color: var(--primary);
    }

    .btn-outline:hover {
      background: rgba(201, 151, 90, 0.1);
    }

    /* ===== 文末分页 ===== */
    .article-pagination {
      display: flex;
      align-items: stretch;
      justify-content: space-between;
      gap: 16px;
      margin-top: 40px;
      padding-top: 32px;
      border-top: 1px solid var(--border-light);
    }

    .pagination-link {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 4px;
      padding: 14px 18px;
      border: 1px solid var(--border-light);
      border-radius: var(--card-radius);
      text-decoration: none;
      transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
      background: #fff;
    }

    .pagination-link:hover {
      border-color: var(--accent);
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }

    .pagination-link:active {
      transform: translateY(0);
    }

    .pagination-direction {
      font-size: 0.8125rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    .pagination-title {
      font-size: 0.9375rem;
      color: var(--text-main);
      font-weight: 600;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .pagination-prev .pagination-direction::before {
      content: "← ";
      color: var(--accent);
    }

    .pagination-next .pagination-direction::after {
      content: " →";
      color: var(--accent);
    }

    .pagination-next {
      text-align: right;
    }

    .back-to-list {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 56px;
      min-width: 56px;
      border: 1px solid var(--border-light);
      border-radius: var(--card-radius);
      font-size: 1rem;
      color: var(--primary);
      transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
      text-decoration: none;
    }

    .back-to-list:hover {
      border-color: var(--accent);
      background: var(--bg-warm);
      color: var(--accent-dark);
    }

    /* ===== 相关推荐 ===== */
    .related-section {
      background: #ffffff;
      padding: 72px 0 88px;
      border-top: 1px solid var(--border-light);
    }

    .section-head {
      text-align: center;
      max-width: 640px;
      margin: 0 auto 48px;
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--accent);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      background: rgba(201, 151, 90, 0.1);
      padding: 4px 14px;
      border-radius: 16px;
      margin-bottom: 14px;
    }

    .section-head h2 {
      font-size: clamp(1.5rem, 2.5vw, 2rem);
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .section-head p {
      color: var(--text-secondary);
      font-size: 0.9375rem;
      line-height: 1.7;
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .related-card {
      background: var(--bg-warm);
      border-radius: var(--card-radius);
      border: 1px solid var(--border-light);
      overflow: hidden;
      text-decoration: none;
      display: flex;
      flex-direction: column;
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }

    .related-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }

    .related-cover {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16 / 9;
    }

    .related-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .badge-member {
      position: absolute;
      top: 12px;
      left: 12px;
      background: var(--accent);
      color: var(--primary-dark);
      font-size: 0.75rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 14px;
      box-shadow: 0 2px 8px rgba(27, 41, 36, 0.15);
    }

    .related-body {
      padding: 20px 22px 24px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      flex: 1;
    }

    .card-tag {
      display: inline-block;
      font-size: 0.75rem;
      color: var(--primary);
      background: rgba(47, 93, 80, 0.08);
      padding: 3px 10px;
      border-radius: 12px;
      width: fit-content;
      font-weight: 500;
    }

    .related-body h3 {
      font-size: 1.125rem;
      font-weight: 600;
      color: var(--text-main);
      line-height: 1.5;
      transition: color 0.2s ease;
    }

    .related-card:hover .related-body h3 {
      color: var(--primary);
    }

    .related-body p {
      font-size: 0.875rem;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 8px;
    }

    .related-more {
      margin-top: auto;
      color: var(--accent-dark);
      font-size: 0.8125rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .related-more::after {
      content: "→";
      transition: transform 0.2s ease;
    }

    .related-card:hover .related-more::after {
      transform: translateX(4px);
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--bg-dark);
      color: var(--text-on-dark);
      padding: 64px 0 32px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }

    .footer-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-on-dark);
      margin-bottom: 16px;
      text-decoration: none;
    }

    .footer-brand p {
      font-size: 0.875rem;
      color: var(--text-on-dark-sub);
      line-height: 1.8;
      max-width: 300px;
    }

    .footer-col h4 {
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--text-on-dark);
      margin-bottom: 18px;
    }

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

    .footer-col li {
      margin-bottom: 10px;
      font-size: 0.875rem;
      color: var(--text-on-dark-sub);
    }

    .footer-col a {
      color: var(--text-on-dark-sub);
      text-decoration: none;
      transition: color 0.2s ease;
    }

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

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding-top: 28px;
      border-top: 1px solid var(--border-dark);
      flex-wrap: wrap;
    }

    .footer-copyright {
      font-size: 0.8125rem;
      color: var(--text-on-dark-sub);
    }

    .footer-copyright a {
      color: var(--text-on-dark-sub);
      transition: color 0.2s ease;
    }

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

    .footer-social {
      display: flex;
      gap: 12px;
    }

    .footer-social a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      border: 1px solid var(--border-dark);
      color: var(--text-on-dark-sub);
      transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }

    .footer-social a:hover {
      border-color: var(--accent);
      color: var(--accent);
      transform: translateY(-2px);
    }

    .footer-social svg {
      width: 16px;
      height: 16px;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1023px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }

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

    @media (max-width: 991px) {
      .nav-toggle {
        display: flex;
      }

      .main-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 24px 24px;
        gap: 4px;
        box-shadow: 0 12px 24px rgba(27, 41, 36, 0.1);
        transform: translateY(-120%);
        transition: transform 0.35s ease;
        border-bottom: 1px solid var(--border-light);
        z-index: 999;
      }

      .main-nav.open {
        transform: translateY(0);
      }

      .main-nav a {
        width: 100%;
        padding: 12px 16px;
        font-size: 1rem;
        border-radius: 8px;
      }

      .main-nav a::after {
        display: none;
      }

      .main-nav a.active {
        background: rgba(47, 93, 80, 0.08);
      }

      .nav-cta {
        display: none;
      }

      .article-breadcrumb-wrap {
        padding: 16px 0;
      }

      .article-wrapper {
        padding: 32px 0 48px;
      }

      .related-section {
        padding: 56px 0 64px;
      }

      .article-main {
        padding: 32px 28px;
      }

      .pagination-title {
        white-space: normal;
      }
    }

    @media (max-width: 767px) {
      body {
        padding-top: 60px;
      }

      .site-header,
      .header-inner {
        height: 60px;
      }

      .header-inner {
        gap: 12px;
      }

      .logo {
        font-size: 1.0625rem;
      }

      .logo-icon {
        width: 26px;
        height: 26px;
        border-radius: 7px;
      }

      .logo-icon::after {
        inset: 6px;
      }

      .container {
        padding-left: 20px;
        padding-right: 20px;
      }

      .article-breadcrumb-wrap {
        overflow: hidden;
      }

      .breadcrumb {
        font-size: 0.8125rem;
        gap: 6px;
      }

      .breadcrumb-current {
        max-width: 55vw;
      }

      .article-wrapper {
        padding: 24px 0 40px;
      }

      .article-main {
        padding: 24px 20px;
        border-radius: 12px;
      }

      .article-header h1 {
        font-size: 1.5rem;
        line-height: 1.45;
      }

      .article-meta {
        gap: 10px;
        font-size: 0.8125rem;
      }

      .article-cover {
        margin: 20px 0 24px;
      }

      .article-content h2 {
        font-size: 1.25rem;
      }

      .article-content h3 {
        font-size: 1.125rem;
      }

      .article-pagination {
        flex-direction: column;
        gap: 10px;
      }

      .back-to-list {
        width: 100%;
        min-width: 0;
        height: 44px;
        order: -1;
        border-radius: var(--btn-radius);
      }

      .pagination-link {
        padding: 12px 16px;
      }

      .related-section {
        padding: 48px 0 56px;
      }

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

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

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        margin-bottom: 36px;
      }

      .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 14px;
      }
    }

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

      .article-main {
        padding: 20px 16px;
      }

      .article-content {
        font-size: 0.9375rem;
      }

      .article-content h2 {
        font-size: 1.1875rem;
      }

      .related-body {
        padding: 16px 18px 20px;
      }
    }

/* roulang page: category1 */
:root{
  --primary:#2F5D50;
  --primary-dark:#1B2924;
  --accent:#C9975A;
  --accent-dark:#B07D43;
  --accent-soft:rgba(201,151,90,.12);
  --bg-warm:#F7F3EC;
  --bg-dark:#1B2924;
  --text-main:#262621;
  --text-secondary:#5B5A52;
  --text-muted:#8C8980;
  --text-on-dark:#F4EFE6;
  --text-secondary-dark:#C7C1B4;
  --border-light:rgba(47,93,80,.12);
  --border-dark:rgba(244,239,230,.14);
  --radius-card:12px;
  --radius-btn:8px;
  --radius-tag:16px;
  --shadow-card:0 2px 8px rgba(27,41,36,.06);
  --shadow-hover:0 8px 24px rgba(27,41,36,.12);
  --container:1200px;
  --gap:24px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  background:var(--bg-warm);
  color:var(--text-main);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#FFFFFF;
  border-bottom:1px solid var(--border-light);
  height:64px;
  display:flex;align-items:center;
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 4px 16px rgba(27,41,36,.08);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  width:100%;gap:24px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:1.25rem;color:var(--primary-dark);
  line-height:1.2;
  white-space:nowrap;
}
.logo-icon{
  width:30px;height:30px;border-radius:8px;background:var(--primary);
  position:relative;flex-shrink:0;
}
.logo-icon::after{
  content:'';position:absolute;inset:6px;border-radius:4px;
  border:2px solid var(--accent);
}
.main-nav{display:flex;align-items:center;gap:30px;}
.main-nav a{
  font-size:15px;font-weight:500;color:var(--text-secondary);
  position:relative;padding:6px 2px;
  transition:color .25s ease;
}
.main-nav a:hover{color:var(--primary);}
.main-nav a.active{color:var(--primary-dark);font-weight:600;}
.main-nav a.active::after{
  content:'';position:absolute;left:0;bottom:-2px;
  width:100%;height:2px;background:var(--accent);border-radius:2px;
}
.nav-cta{
  background:var(--accent);color:var(--primary-dark);
  padding:8px 18px;border-radius:var(--radius-btn);
  font-weight:600;font-size:14px;
  transition:background .25s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--accent-dark);transform:translateY(-1px);}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--primary-dark);border-radius:2px;transition:transform .3s,opacity .3s;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;padding:11px 26px;border-radius:var(--radius-btn);
  font-weight:600;font-size:15px;line-height:1.4;
  transition:background .25s,transform .2s,box-shadow .25s,border-color .25s;
}
.btn-primary{background:var(--accent);color:var(--primary-dark);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 4px 14px rgba(201,151,90,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:transparent;border:1px solid var(--accent);color:var(--primary);}
.btn-secondary:hover{background:var(--accent-soft);transform:translateY(-1px);}
.btn-secondary:active{transform:translateY(0);}

/* Breadcrumb */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;
  font-size:13px;color:var(--text-muted);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-muted);transition:color .2s;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{margin:0 8px;color:var(--text-muted);opacity:.5;}
.breadcrumb .current{color:var(--text-secondary);}

/* Page Hero */
.page-hero{
  background:var(--bg-warm);
  padding:64px 0 72px;
  border-bottom:1px solid var(--border-light);
}
.page-hero-inner{
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:48px;align-items:center;
}
.page-hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--radius-tag);
  background:var(--accent-soft);
  color:var(--primary);font-size:13px;font-weight:600;
  margin-bottom:16px;
}
.page-hero-content h1{
  font-size:clamp(2rem,4vw,2.8rem);
  font-weight:700;color:var(--primary-dark);
  line-height:1.25;margin-bottom:18px;
}
.page-hero-content h1 span{color:var(--accent);}
.page-hero-content p{
  font-size:1rem;color:var(--text-secondary);
  line-height:1.8;max-width:560px;margin-bottom:30px;
}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.page-hero-img{
  border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  max-height:280px;
}
.page-hero-img img{
  width:100%;height:280px;object-fit:cover;
  transition:transform .5s ease;
}
.page-hero-img:hover img{transform:scale(1.03);}

/* Stats Bar */
.stats-bar{
  background:var(--bg-dark);
  padding:36px 0;
  border-bottom:1px solid var(--border-dark);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:32px;text-align:center;
}
.stat-item .num{
  font-size:2rem;font-weight:700;color:var(--accent);
  line-height:1.2;display:block;
}
.stat-item .label{
  font-size:14px;color:var(--text-secondary-dark);
  margin-top:6px;display:block;
}

/* Section */
.section{padding:80px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-tag{
  display:inline-block;padding:4px 14px;border-radius:var(--radius-tag);
  background:var(--accent-soft);color:var(--primary);
  font-size:13px;font-weight:600;margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(1.5rem,2.5vw,2.25rem);
  font-weight:700;color:var(--primary-dark);line-height:1.3;
  margin-bottom:12px;
}
.section-head p{color:var(--text-secondary);line-height:1.8;font-size:15px;}

/* Level Cards */
.level-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.level-card{
  background:#fff;border-radius:var(--radius-card);
  border:1px solid var(--border-light);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  position:relative;
  display:flex;flex-direction:column;
}
.level-card:hover{
  transform:translateY(-2px);
  border-color:var(--accent);
  box-shadow:var(--shadow-hover);
}
.level-card.recommended{
  border:1px solid var(--accent);
  background:linear-gradient(180deg,rgba(201,151,90,.06),#fff 40%);
}
.level-card-img{position:relative;aspect-ratio:16/9;overflow:hidden;}
.level-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.level-card:hover .level-card-img img{transform:scale(1.04);}
.level-badge{
  position:absolute;top:12px;left:12px;
  background:var(--accent);color:var(--primary-dark);
  font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:var(--radius-tag);
  z-index:2;
}
.level-card-body{padding:24px 22px 28px;display:flex;flex-direction:column;flex:1;}
.level-card-body h3{font-size:1.35rem;font-weight:700;color:var(--primary-dark);margin-bottom:8px;}
.level-desc{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:16px;}
.level-features{list-style:none;margin:0 0 20px;flex:1;}
.level-features li{
  position:relative;padding:5px 0 5px 22px;
  font-size:14px;color:var(--text-secondary);line-height:1.6;
}
.level-features li::before{
  content:'';position:absolute;left:0;top:13px;
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);opacity:.7;
}
.level-card .btn{align-self:flex-start;}

/* Compare */
.compare-section{background:#fff;border-top:1px solid var(--border-light);border-bottom:1px solid var(--border-light);}
.compare-wrap{overflow-x:auto;}
.compare-table{width:100%;border-collapse:collapse;min-width:680px;}
.compare-table th,.compare-table td{
  padding:16px 18px;text-align:left;font-size:14px;
  border-bottom:1px solid var(--border-light);
  line-height:1.6;
}
.compare-table thead th{
  background:var(--bg-warm);
  font-weight:600;color:var(--primary-dark);
  font-size:15px;
}
.compare-table tbody tr:hover{background:rgba(47,93,80,.03);}
.compare-table .highlight-col{
  background:rgba(201,151,90,.08);
  border-left:1px solid var(--accent);
  border-right:1px solid var(--accent);
  color:var(--primary-dark);
  font-weight:500;
}
.compare-table thead .highlight-col{background:var(--accent);color:var(--primary-dark);font-weight:700;}
.compare-tip{
  margin-top:16px;font-size:13px;color:var(--text-muted);
  padding-left:14px;border-left:2px solid var(--accent);
}
.compare-cards{display:none;}

/* Process */
.process-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:var(--gap);counter-reset:step;
}
.process-step{
  background:var(--bg-warm);
  border:1px solid var(--border-light);
  border-radius:var(--radius-card);
  padding:28px 24px;
  position:relative;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.process-step:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:var(--shadow-hover);}
.process-step .step-num{
  font-size:2rem;font-weight:700;color:var(--accent);
  line-height:1;margin-bottom:14px;display:block;
  opacity:.9;
}
.process-step h3{font-size:1.05rem;font-weight:600;color:var(--primary-dark);margin-bottom:8px;}
.process-step p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin:0;}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto;}
.faq-item{
  margin-bottom:12px;border-radius:var(--radius-card);
  background:#fff;border:1px solid var(--border-light);
  overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item.active{border-color:var(--accent);box-shadow:var(--shadow-hover);}
.faq-title{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;font-size:15px;font-weight:600;
  color:var(--text-main);text-align:left;
  transition:color .25s ease;
  border-left:2px solid transparent;
}
.faq-item.active .faq-title{color:var(--primary);border-left-color:var(--accent);}
.faq-icon{
  width:20px;height:20px;position:relative;flex-shrink:0;
  margin-left:16px;
}
.faq-icon::before,.faq-icon::after{
  content:'';position:absolute;background:var(--accent);
  border-radius:2px;transition:transform .25s ease;
}
.faq-icon::before{width:14px;height:2px;top:9px;left:3px;}
.faq-icon::after{width:2px;height:14px;top:3px;left:9px;}
.faq-item.active .faq-icon::after{transform:scaleY(0);}
.faq-content{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease,padding .3s ease;
  padding:0 20px;
  font-size:14px;color:var(--text-secondary);line-height:1.8;
}
.faq-item.active .faq-content{max-height:300px;padding:0 20px 20px;}

/* CTA */
.cta-section{
  background:var(--bg-dark);
  padding:80px 0;
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;left:50%;top:50%;
  width:600px;height:600px;border-radius:50%;
  border:1px solid rgba(201,151,90,.15);
  transform:translate(-50%,-50%);
  pointer-events:none;
}
.cta-section::after{
  content:'';position:absolute;left:50%;top:50%;
  width:380px;height:380px;border-radius:50%;
  border:1px solid rgba(201,151,90,.1);
  transform:translate(-50%,-50%);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  text-align:center;max-width:680px;margin:0 auto;
}
.cta-inner h2{
  font-size:clamp(1.5rem,2.5vw,2.25rem);
  color:var(--text-on-dark);font-weight:700;
  margin-bottom:16px;line-height:1.35;
}
.cta-inner p{
  color:var(--text-secondary-dark);
  font-size:15px;line-height:1.8;
  margin-bottom:32px;
}
.cta-inner .btn-primary{font-size:16px;padding:14px 34px;}

/* Page Bottom Nav */
.page-nav-links{
  padding:40px 0;background:var(--bg-warm);
  border-top:1px solid var(--border-light);
}
.page-nav-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;
}
.page-nav-inner .nav-label{font-size:13px;color:var(--text-muted);}
.page-nav-links a.btn{font-size:14px;padding:9px 20px;}

/* Footer */
.site-footer{
  background:var(--bg-dark);
  color:var(--text-secondary-dark);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;padding-bottom:40px;
}
.footer-brand{}
.footer-logo{
  display:flex;align-items:center;gap:10px;
  font-size:1.2rem;font-weight:700;color:var(--text-on-dark);
  margin-bottom:16px;
}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-secondary-dark);max-width:320px;}
.footer-col h4{
  font-size:15px;font-weight:600;color:var(--text-on-dark);
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:9px;font-size:14px;}
.footer-col ul a{color:var(--text-secondary-dark);transition:color .25s ease;}
.footer-col ul a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid var(--border-dark);
  padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
}
.footer-copyright{font-size:13px;color:var(--text-secondary-dark);}
.footer-copyright a{color:var(--text-secondary-dark);transition:color .25s ease;}
.footer-copyright a:hover{color:var(--accent);}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:8px;
  border:1px solid var(--border-dark);
  color:var(--text-secondary-dark);
  transition:color .25s,border-color .25s,background .25s;
}
.footer-social a:hover{color:var(--accent);border-color:var(--accent);background:rgba(201,151,90,.08);}
.footer-social svg{width:18px;height:18px;}

/* Responsive */
@media(max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .process-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .level-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:767px){
  body{font-size:15px;}
  .site-header{height:56px;}
  .header-inner{flex-wrap:wrap;}
  .logo{font-size:1.05rem;}
  .nav-toggle{display:flex;}
  .main-nav{
    display:none;
    position:fixed;top:56px;left:0;right:0;
    background:#FFFFFF;flex-direction:column;
    align-items:flex-start;padding:20px 24px 28px;
    gap:6px;box-shadow:0 10px 30px rgba(27,41,36,.12);
    border-bottom:1px solid var(--border-light);
    z-index:99;
  }
  .main-nav.open{display:flex;}
  .main-nav a{display:block;width:100%;padding:10px 0;font-size:16px;border-bottom:1px solid var(--border-light);}
  .main-nav a.active::after{display:none;}
  .nav-cta{display:none;}
  .header-actions .nav-cta{display:inline-flex;margin-top:16px;width:100%;justify-content:center;}
  .page-hero{padding:40px 0 48px;}
  .page-hero-inner{grid-template-columns:1fr;gap:28px;}
  .page-hero-img{max-height:220px;}
  .page-hero-img img{height:220px;}
  .page-hero-content h1{font-size:1.7rem;}
  .page-hero-actions .btn{width:100%;justify-content:center;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:30px;}
  .level-grid{grid-template-columns:1fr;max-width:420px;}
  .compare-table{display:none;}
  .compare-cards{display:grid;grid-template-columns:1fr;gap:16px;}
  .compare-card{
    background:#fff;border-radius:var(--radius-card);
    border:1px solid var(--border-light);padding:20px;
    box-shadow:var(--shadow-card);
  }
  .compare-card.recommended{border:1px solid var(--accent);background:rgba(201,151,90,.06);}
  .compare-card h4{
    font-size:1.1rem;font-weight:700;color:var(--primary-dark);
    margin-bottom:12px;display:flex;align-items:center;gap:8px;
  }
  .compare-card .mini-badge{
    font-size:11px;font-weight:700;background:var(--accent);
    color:var(--primary-dark);padding:2px 8px;border-radius:12px;
  }
  .compare-card ul{list-style:none;}
  .compare-card ul li{
    display:flex;justify-content:space-between;gap:12px;
    padding:8px 0;border-bottom:1px dashed var(--border-light);
    font-size:13px;color:var(--text-secondary);line-height:1.5;
  }
  .compare-card ul li:last-child{border-bottom:none;}
  .compare-card ul li strong{color:var(--primary-dark);font-weight:600;text-align:right;flex-shrink:0;}
  .process-grid{grid-template-columns:1fr;}
  .faq-title{font-size:14px;}
  .cta-section{padding:56px 0;}
  .cta-inner .btn-primary{width:100%;}
  .page-nav-inner{flex-direction:column;align-items:stretch;}
  .page-nav-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .stat-item .num{font-size:1.5rem;}
}
@media(max-width:520px){
  .container{padding:0 18px;}
  .level-card-img{aspect-ratio:16/9;}
  .compare-cards{grid-template-columns:1fr;}
}

/* roulang page: category3 */
:root {
  --primary: #2F5D50;
  --primary-dark: #1B2924;
  --primary-light: #3A7C5E;
  --accent: #C9975A;
  --accent-dark: #B07D43;
  --accent-light: rgba(201, 151, 90, 0.12);
  --bg-warm: #F7F3EC;
  --bg-white: #FFFFFF;
  --bg-dark: #1B2924;
  --text-primary: #262621;
  --text-secondary: #5B5A52;
  --text-muted: #8C8980;
  --text-on-dark: #F4EFE6;
  --text-on-dark-sub: #C7C1B4;
  --border-light: rgba(47, 93, 80, 0.12);
  --border-dark: rgba(244, 239, 230, 0.14);
  --border-accent: rgba(201, 151, 90, 0.35);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 16px;
  --shadow-card: 0 2px 8px rgba(27, 41, 36, 0.06);
  --shadow-card-hover: 0 8px 24px rgba(27, 41, 36, 0.12);
  --shadow-nav: 0 4px 20px rgba(27, 41, 36, 0.08);
  --container-max: 1200px;
  --spacing-section: 96px;
  --spacing-section-md: 64px;
  --spacing-section-sm: 48px;
  --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-stack); font-size: 1rem; line-height: 1.8; color: var(--text-primary); background: var(--bg-warm); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--accent-dark); }
button { font-family: inherit; cursor: pointer; }
ul { list-style: none; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--bg-white); border-bottom: 1px solid var(--border-light); transition: box-shadow 0.3s ease; }
.site-header.scrolled { box-shadow: var(--shadow-nav); }
.nav-wrapper { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 1.25rem; font-weight: 700; color: var(--primary); letter-spacing: 0.02em; }
.logo-icon { width: 32px; height: 32px; border-radius: 8px; background: var(--primary); position: relative; flex-shrink: 0; overflow: hidden; }
.logo-icon::after { content: ''; position: absolute; width: 14px; height: 14px; border: 2px solid var(--accent); border-radius: 50%; top: 8px; left: 8px; }
.logo-icon::before { content: ''; position: absolute; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; bottom: 5px; right: 6px; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a { display: inline-block; padding: 8px 18px; font-size: 0.9375rem; color: var(--text-secondary); border-radius: var(--radius-tag); font-weight: 500; transition: color 0.25s ease, background 0.25s ease; position: relative; }
.main-nav a::after { content: ''; position: absolute; left: 18px; right: 18px; bottom: 0; height: 2px; background: var(--accent); border-radius: 2px; transform: scaleX(0); transform-origin: left center; transition: transform 0.3s ease; }
.main-nav a:hover { color: var(--primary); }
.main-nav a.active { color: var(--primary); font-weight: 600; }
.main-nav a.active::after { transform: scaleX(1); }
.nav-cta { display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: var(--primary-dark); font-weight: 700; font-size: 0.875rem; padding: 9px 20px; border-radius: var(--radius-btn); transition: background 0.25s ease, transform 0.2s ease; border: none; }
.nav-cta:hover { background: var(--accent-dark); color: var(--text-on-dark); transform: translateY(-1px); }
.nav-cta:active { transform: translateY(1px); }
.nav-toggle { display: none; background: none; border: none; width: 40px; height: 40px; border-radius: 8px; position: relative; z-index: 110; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text-primary); margin: 3px auto; border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
.mobile-menu { display: none; position: fixed; top: 64px; left: 0; right: 0; background: var(--bg-white); border-bottom: 1px solid var(--border-light); box-shadow: var(--shadow-nav); padding: 16px 24px 24px; z-index: 109; flex-direction: column; gap: 6px; }
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 12px 16px; border-radius: 8px; font-size: 1rem; color: var(--text-primary); font-weight: 500; }
.mobile-menu a:hover { background: var(--bg-warm); }
.mobile-menu a.active { background: var(--accent-light); color: var(--primary); font-weight: 600; }
.mobile-menu a.nav-cta { margin-top: 10px; justify-content: center; color: var(--primary-dark); }

/* Page Header (浅色页头) */
.page-header { padding: 72px 0 64px; background: linear-gradient(180deg, rgba(47, 93, 80, 0.05) 0%, rgba(247, 243, 236, 0) 100%); }
.page-header-inner { display: flex; flex-wrap: wrap; gap: 48px; align-items: flex-start; }
.page-header-content { flex: 1 1 560px; }
.page-header-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--accent-light); border: 1px solid var(--border-accent); color: var(--accent-dark); font-size: 0.8125rem; font-weight: 600; padding: 5px 16px; border-radius: var(--radius-tag); margin-bottom: 16px; }
.page-header h1 { font-size: clamp(1.9rem, 3.5vw, 2.75rem); font-weight: 700; line-height: 1.3; color: var(--primary); margin-bottom: 16px; letter-spacing: -0.01em; }
.page-header h1 span { color: var(--accent-dark); }
.page-header .page-desc { font-size: 1.0625rem; color: var(--text-secondary); line-height: 1.9; max-width: 680px; }
.page-header-stats { display: flex; gap: 32px; margin-top: 28px; flex-wrap: wrap; }
.page-stat { display: flex; flex-direction: column; gap: 2px; }
.page-stat strong { font-size: 1.75rem; font-weight: 700; color: var(--primary); line-height: 1.2; }
.page-stat span { font-size: 0.875rem; color: var(--text-muted); }
.page-header-visual { flex: 0 1 420px; min-height: 240px; border-radius: var(--radius-card); background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); position: relative; overflow: hidden; box-shadow: var(--shadow-card); }
.page-header-visual::before { content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-2.webp'); background-size: cover; background-position: center; opacity: 0.35; }
.page-header-visual::after { content: ''; position: absolute; inset: 0; border: 1px solid var(--border-dark); border-radius: var(--radius-card); }

/* Section */
.section { padding: var(--spacing-section) 0; }
.section-accent { background: var(--bg-white); border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); }
.section-head { margin-bottom: 48px; max-width: 720px; }
.section-kicker { display: inline-block; font-size: 0.8125rem; font-weight: 600; color: var(--accent-dark); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 10px; }
.section-head h2 { font-size: clamp(1.6rem, 2.8vw, 2.25rem); font-weight: 700; color: var(--text-primary); line-height: 1.3; margin-bottom: 14px; }
.section-head p { font-size: 1rem; color: var(--text-secondary); line-height: 1.8; }

/* Cards */
.card { background: var(--bg-warm); border: 1px solid var(--border-light); border-radius: var(--radius-card); box-shadow: var(--shadow-card); transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-card-hover); border-color: var(--border-accent); }
.activity-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.activity-card { overflow: hidden; }
.activity-card .card-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--primary-dark); width: 100%; height: 200px; }
.activity-card .card-media iframe { width: 100%; height: 100%; object-fit: cover; }
.activity-card .card-media img { object-fit: cover; transition: transform 0.5s ease; }
.activity-card:hover .card-media img { transform: scale(1.04); }
.activity-card .card-body { padding: 24px; }
.activity-card .card-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.tag { display: inline-flex; align-items: center; padding: 3px 12px; border-radius: var(--radius-tag); font-size: 0.75rem; font-weight: 600; background: var(--accent-light); color: var(--accent-dark); border: 1px solid transparent; }
.tag-outline { background: transparent; border-color: var(--border-accent); color: var(--primary); font-size: 0.75rem; padding: 2px 12px; border-radius: var(--radius-tag); font-weight: 500; }
.activity-card h3 { font-size: 1.125rem; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; line-height: 1.5; }
.activity-card .card-text { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; }
.activity-card .card-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.8125rem; color: var(--text-muted); border-top: 1px solid var(--border-light); padding-top: 14px; }
.activity-card .card-meta a { color: var(--primary); font-weight: 600; }

/* Info Dark Section */
.dark-section { background: var(--bg-dark); color: var(--text-on-dark); }
.dark-section .section-head h2 { color: var(--text-on-dark); }
.dark-section .section-head p { color: var(--text-on-dark-sub); }
.dark-banner { border-radius: var(--radius-card); overflow: hidden; position: relative; min-height: 220px; display: flex; align-items: flex-end; padding: 28px; background: linear-gradient(120deg, rgba(47,93,80,0.85) 0%, rgba(27,41,36,0.92) 60%), url('/assets/images/backpic/back-1.webp') center/cover; }
.dark-banner h3 { font-size: 1.25rem; font-weight: 600; color: var(--text-on-dark); }

/* Process Steps */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-item { background: var(--bg-warm); border: 1px solid var(--border-light); border-radius: var(--radius-card); padding: 28px 24px; position: relative; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.step-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-card-hover); }
.step-number { font-size: 2.5rem; font-weight: 700; line-height: 1; color: transparent; -webkit-text-stroke: 1.5px var(--accent); margin-bottom: 14px; }
.step-item h3 { font-size: 1.0625rem; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.step-item p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; }

/* Feature Grid */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.feature-item { display: flex; gap: 16px; padding: 24px; background: var(--bg-warm); border: 1px solid var(--border-light); border-radius: var(--radius-card); transition: border-color 0.3s ease, box-shadow 0.3s ease; }
.feature-item:hover { border-color: var(--border-accent); box-shadow: var(--shadow-card-hover); }
.feature-icon { flex-shrink: 0; width: 44px; height: 44px; border-radius: 10px; border: 1.5px solid var(--accent); display: flex; align-items: center; justify-content: center; }
.feature-icon svg { width: 20px; height: 20px; stroke: var(--accent); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feature-content h3 { font-size: 1.0625rem; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.feature-content p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; }

/* Timeline */
.timeline { position: relative; max-width: 820px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 16px; top: 0; bottom: 0; width: 2px; background: var(--border-accent); }
.timeline-item { position: relative; padding-left: 56px; padding-bottom: 32px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-marker { position: absolute; left: 8px; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: var(--accent); border: 4px solid var(--bg-warm); box-shadow: 0 0 0 2px var(--accent); }
.timeline-date { display: inline-block; font-size: 0.8125rem; font-weight: 600; color: var(--accent-dark); background: var(--accent-light); padding: 2px 12px; border-radius: var(--radius-tag); margin-bottom: 8px; }
.timeline-item h3 { font-size: 1.0625rem; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.timeline-item p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; }

/* FAQ */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border-light); }
.faq-item:last-child { border-bottom: none; }
.faq-question { display: block; width: 100%; text-align: left; background: none; border: none; padding: 20px 16px 20px 24px; font-size: 1rem; font-weight: 600; color: var(--text-primary); position: relative; transition: color 0.25s ease; line-height: 1.5; }
.faq-question::before { content: ''; position: absolute; left: 0; top: 18px; width: 2px; height: 20px; background: transparent; border-radius: 2px; transition: background 0.3s ease; }
.faq-question::after { content: '+'; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 1.5rem; font-weight: 300; color: var(--text-muted); transition: transform 0.3s ease, color 0.3s ease; }
.faq-item.active .faq-question { color: var(--primary); }
.faq-item.active .faq-question::before { background: var(--accent); }
.faq-item.active .faq-question::after { content: '−'; color: var(--accent); }
.faq-answer { display: none; padding: 0 24px 20px; color: var(--text-secondary); font-size: 0.9375rem; line-height: 1.8; background: var(--bg-warm); border-radius: 0 0 8px 8px; }
.faq-item.active .faq-answer { display: block; }

/* CTA */
.cta-section { padding: 72px 0; background: var(--bg-dark); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at center, rgba(201,151,90,0.12) 0%, transparent 70%); }
.cta-inner { position: relative; text-align: center; max-width: 680px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(1.5rem, 2.8vw, 2.25rem); color: var(--text-on-dark); margin-bottom: 14px; line-height: 1.3; }
.cta-inner p { color: var(--text-on-dark-sub); margin-bottom: 28px; font-size: 1rem; }
.cta-btn { display: inline-block; background: var(--accent); color: var(--primary-dark); font-weight: 700; font-size: 1rem; padding: 14px 36px; border-radius: var(--radius-btn); border: none; transition: background 0.25s ease, transform 0.2s ease; }
.cta-btn:hover { background: var(--accent-dark); color: var(--text-on-dark); transform: translateY(-1px); }
.cta-btn:active { transform: translateY(1px); }
.cta-btn-outline { display: inline-block; background: transparent; color: var(--text-on-dark); border: 1.5px solid var(--accent); font-weight: 600; font-size: 0.9375rem; padding: 12px 28px; border-radius: var(--radius-btn); margin-left: 12px; transition: background 0.25s ease; }
.cta-btn-outline:hover { background: rgba(201,151,90,0.12); color: var(--text-on-dark); }

/* Page bottom nav */
.page-bottom-nav { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.page-bottom-nav a { display: inline-flex; align-items: center; gap: 8px; padding: 10px 24px; border: 1px solid var(--border-accent); border-radius: var(--radius-btn); font-size: 0.9375rem; color: var(--primary); font-weight: 500; transition: background 0.25s ease; }
.page-bottom-nav a:hover { background: var(--accent-light); }

/* Footer */
.site-footer { background: var(--bg-dark); color: var(--text-on-dark-sub); padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 48px; margin-bottom: 40px; }
.footer-logo { display: inline-flex; align-items: center; gap: 8px; font-size: 1.25rem; font-weight: 700; color: var(--text-on-dark); margin-bottom: 16px; }
.footer-logo:hover { color: var(--accent); }
.footer-logo .logo-icon { width: 28px; height: 28px; }
.footer-brand p { font-size: 0.906rem; line-height: 1.8; max-width: 320px; }
.footer-col h4 { font-size: 1rem; color: var(--text-on-dark); margin-bottom: 18px; font-weight: 600; }
.footer-col ul li { margin-bottom: 10px; font-size: 0.906rem; line-height: 1.7; }
.footer-col ul li a { color: var(--text-on-dark-sub); transition: color 0.25s ease; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--border-dark); }
.footer-copyright { font-size: 0.8125rem; }
.footer-copyright a { color: var(--text-on-dark-sub); }
.footer-social { display: flex; gap: 12px; }
.footer-social a { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border-dark); color: var(--text-on-dark-sub); transition: border-color 0.25s ease, color 0.25s ease; }
.footer-social a:hover { border-color: var(--accent); color: var(--accent); }
.footer-social svg { width: 16px; height: 16px; }

/* Responsive */
@media (min-width: 768px) and (max-width: 1023px) {
  .section { padding: var(--spacing-section-md) 0; }
  .activity-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .page-header { padding: 56px 0 48px; }
  .page-header-visual { flex: 1 1 100%; min-height: 200px; }
}
@media (max-width: 767px) {
  .section { padding: var(--spacing-section-sm) 0; }
  .nav-toggle { display: block; }
  .main-nav, .nav-cta { display: none; }
  .activity-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .page-header { padding: 40px 0 32px; }
  .page-header-inner { gap: 24px; }
  .page-header-stats { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .page-header-visual { min-height: 160px; }
  .timeline-item { padding-left: 44px; }
  .cta-btn { width: 100%; text-align: center; }
  .cta-btn-outline { width: 100%; text-align: center; margin-left: 0; margin-top: 10px; }
  .dark-banner { padding: 20px; }
}

/* roulang page: category2 */
:root{
  --primary:#2F5D50;
  --primary-dark:#1B2924;
  --accent:#C9975A;
  --accent-dark:#B07D43;
  --bg-light:#F7F3EC;
  --bg-dark:#1B2924;
  --text-dark:#262621;
  --text-secondary:#5B5A52;
  --text-muted:#8C8980;
  --text-on-dark:#F4EFE6;
  --text-on-dark-secondary:#C7C1B4;
  --border-primary:rgba(47,93,80,.12);
  --border-dark:rgba(244,239,230,.14);
  --radius-card:12px;
  --radius-btn:8px;
  --radius-badge:16px;
  --shadow-card:0 2px 8px rgba(27,41,36,.06);
  --shadow-hover:0 8px 24px rgba(27,41,36,.12);
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  font-size:1rem;
  line-height:1.8;
  color:var(--text-dark);
  background:var(--bg-light);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit;border:none;background:none;cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-head{margin-bottom:48px;max-width:720px}
.section-head .section-tag{
  display:inline-block;
  font-size:.875rem;
  color:var(--accent-dark);
  font-weight:600;
  letter-spacing:.08em;
  padding:6px 16px;
  background:rgba(201,151,90,.1);
  border-radius:var(--radius-badge);
  margin-bottom:16px;
}
.section-head h2{
  font-size:clamp(1.5rem,2.5vw,2.25rem);
  font-weight:700;
  color:var(--text-dark);
  line-height:1.3;
  margin-bottom:12px;
}
.section-head p{
  color:var(--text-secondary);
  font-size:1rem;
  line-height:1.8;
}
/* ===== Header/Nav ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  height:64px;
  background:#fff;
  border-bottom:1px solid var(--border-primary);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.scrolled{
  box-shadow:0 4px 20px rgba(27,41,36,.08);
}
.header-inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.logo-icon{
  width:36px;height:36px;
  border-radius:8px;
  background:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
}
.logo-icon::before{
  content:'';
  width:16px;height:16px;
  border:2px solid var(--accent);
  border-radius:50%;
  position:relative;
}
.logo-text{
  font-size:1.25rem;
  font-weight:700;
  color:var(--primary-dark);
  letter-spacing:.02em;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1;
  justify-content:center;
}
.main-nav a{
  padding:8px 16px;
  font-size:.9375rem;
  font-weight:500;
  color:var(--text-secondary);
  border-radius:6px;
  position:relative;
  white-space:nowrap;
}
.main-nav a:hover{
  color:var(--primary);
  background:rgba(47,93,80,.06);
}
.main-nav a.active{
  color:var(--primary);
  font-weight:600;
}
.main-nav a.active::after{
  content:'';
  position:absolute;
  left:16px;right:16px;
  bottom:2px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
}
.header-cta{
  flex-shrink:0;
}
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--accent);
  color:var(--primary-dark);
  font-size:.9375rem;
  font-weight:600;
  padding:10px 22px;
  border-radius:var(--radius-btn);
  transition:var(--transition);
  border:1px solid transparent;
  line-height:1.4;
}
.btn-primary:hover{
  background:var(--accent-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 4px 12px rgba(201,151,90,.3);
}
.btn-primary:active{
  transform:translateY(0);
}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:transparent;
  color:var(--accent);
  font-size:.9375rem;
  font-weight:600;
  padding:10px 22px;
  border-radius:var(--radius-btn);
  border:1px solid var(--accent);
  transition:var(--transition);
  line-height:1.4;
}
.btn-outline:hover{
  background:rgba(201,151,90,.1);
  color:var(--accent-dark);
}
.btn-outline-dark{
  color:var(--text-on-dark);
  border-color:rgba(244,239,230,.5);
}
.btn-outline-dark:hover{
  background:rgba(244,239,230,.1);
  color:#fff;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  padding:8px;
  border-radius:6px;
}
.nav-toggle span{
  width:22px;height:2px;
  background:var(--primary-dark);
  border-radius:2px;
  transition:var(--transition);
}
/* ===== Page Header ===== */
.page-head{
  padding:144px 0 56px;
  background:var(--bg-light);
  position:relative;
  border-bottom:1px solid var(--border-primary);
}
.breadcrumb{
  font-size:.875rem;
  color:var(--text-muted);
  margin-bottom:20px;
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-muted);opacity:.6}
.page-head h1{
  font-size:clamp(2rem,4vw,3rem);
  font-weight:700;
  color:var(--primary-dark);
  line-height:1.25;
  margin-bottom:20px;
  letter-spacing:-.01em;
}
.page-head .lead{
  font-size:1.125rem;
  color:var(--text-secondary);
  max-width:780px;
  line-height:1.85;
}
.banner-strip{
  margin-top:40px;
  border-radius:var(--radius-card);
  overflow:hidden;
  max-width:1200px;
  max-height:300px;
  position:relative;
  box-shadow:var(--shadow-card);
}
.banner-strip img{
  width:100%;
  height:280px;
  object-fit:cover;
}
.banner-strip::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(27,41,36,.35) 0%,rgba(27,41,36,.05) 60%,rgba(27,41,36,.1) 100%);
}
/* ===== Content Types ===== */
.content-types{
  padding:80px 0 24px;
}
.types-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.type-card{
  background:#fff;
  border:1px solid var(--border-primary);
  border-radius:var(--radius-card);
  padding:32px 28px;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.type-card::before{
  content:'';
  position:absolute;
  top:0;left:0;
  width:3px;height:48px;
  background:var(--accent);
  border-radius:0 0 3px 0;
  opacity:0;
  transition:var(--transition);
}
.type-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(201,151,90,.4);
}
.type-card:hover::before{opacity:1}
.type-icon{
  width:48px;height:48px;
  border-radius:10px;
  background:rgba(47,93,80,.08);
  border:1px solid rgba(47,93,80,.15);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:20px;
}
.type-icon svg{
  width:24px;height:24px;
  stroke:var(--primary);
  stroke-width:1.8;
  fill:none;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.type-card h3{
  font-size:1.125rem;
  font-weight:600;
  color:var(--primary-dark);
  margin-bottom:10px;
}
.type-card p{
  font-size:.9375rem;
  color:var(--text-secondary);
  line-height:1.7;
}
/* ===== Quality Principles ===== */
.quality-section{
  background:#fff;
  border-top:1px solid var(--border-primary);
  border-bottom:1px solid var(--border-primary);
}
.quality-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.quality-media{
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  position:relative;
}
.quality-media img{
  width:100%;
  height:100%;
  max-height:420px;
  object-fit:cover;
}
.quality-side{
  display:flex;
  flex-direction:column;
  gap:28px;
}
.quality-item{
  display:flex;
  gap:18px;
  align-items:flex-start;
}
.quality-num{
  font-size:1.75rem;
  font-weight:700;
  color:var(--accent);
  line-height:1.2;
  min-width:56px;
  font-feature-settings:"tnum";
}
.quality-item h3{
  font-size:1.125rem;
  font-weight:600;
  color:var(--text-dark);
  margin-bottom:6px;
}
.quality-item p{
  font-size:.9375rem;
  color:var(--text-secondary);
  line-height:1.7;
}
/* ===== Featured Content ===== */
.featured-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-bottom:48px;
}
.featured-card{
  background:#fff;
  border:1px solid var(--border-primary);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
  display:flex;
  flex-direction:column;
}
.featured-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(201,151,90,.4);
}
.featured-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.featured-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.featured-card:hover .featured-thumb img{
  transform:scale(1.04);
}
.badge{
  position:absolute;
  top:14px;left:14px;
  background:var(--accent);
  color:var(--primary-dark);
  font-size:.75rem;
  font-weight:600;
  padding:6px 14px;
  border-radius:var(--radius-badge);
  letter-spacing:.04em;
  box-shadow:0 2px 8px rgba(0,0,0,.15);
}
.tag{
  display:inline-block;
  font-size:.75rem;
  color:var(--primary);
  background:rgba(47,93,80,.08);
  border:1px solid rgba(47,93,80,.15);
  padding:4px 12px;
  border-radius:var(--radius-badge);
  font-weight:500;
  margin-bottom:12px;
}
.featured-body{
  padding:24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.featured-body h3{
  font-size:1.125rem;
  font-weight:600;
  color:var(--text-dark);
  line-height:1.5;
  margin-bottom:8px;
}
.featured-body p{
  font-size:.9375rem;
  color:var(--text-secondary);
  line-height:1.7;
  flex:1;
  margin-bottom:16px;
}
.featured-link{
  font-size:.875rem;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.featured-link svg{
  width:16px;height:16px;
  transition:transform .25s ease;
}
.featured-link:hover{
  color:var(--accent-dark);
}
.featured-link:hover svg{
  transform:translateX(4px);
}
/* ===== Update Rhythm ===== */
.rhythm-section{
  background:var(--bg-dark);
  color:var(--text-on-dark);
  position:relative;
  overflow:hidden;
}
.rhythm-section::before{
  content:'';
  position:absolute;
  right:-120px;top:-120px;
  width:360px;height:360px;
  border:1px solid rgba(201,151,90,.2);
  border-radius:50%;
}
.rhythm-section::after{
  content:'';
  position:absolute;
  right:-40px;top:-40px;
  width:200px;height:200px;
  border:1px solid rgba(201,151,90,.15);
  border-radius:50%;
}
.rhythm-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
  position:relative;
  z-index:2;
}
.rhythm-item{
  text-align:center;
  padding:32px 16px;
  border:1px solid var(--border-dark);
  border-radius:var(--radius-card);
  background:rgba(27,41,36,.4);
  transition:var(--transition);
}
.rhythm-item:hover{
  border-color:rgba(201,151,90,.4);
  background:rgba(47,93,80,.2);
}
.rhythm-num{
  font-size:2.5rem;
  font-weight:700;
  color:var(--accent);
  line-height:1.2;
  margin-bottom:8px;
}
.rhythm-item h3{
  font-size:1rem;
  font-weight:600;
  color:var(--text-on-dark);
  margin-bottom:8px;
}
.rhythm-item p{
  font-size:.875rem;
  color:var(--text-on-dark-secondary);
  line-height:1.6;
}
/* ===== FAQ ===== */
.faq-section{
  background:var(--bg-light);
}
.faq-list{
  max-width:820px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--border-primary);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
}
.faq-item.open{
  border-color:rgba(201,151,90,.4);
  box-shadow:var(--shadow-hover);
}
.faq-item button{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:20px 24px;
  font-size:1rem;
  font-weight:600;
  color:var(--text-dark);
  line-height:1.5;
  transition:var(--transition);
  position:relative;
}
.faq-item button::before{
  content:'';
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:2px;height:0;
  background:var(--accent);
  border-radius:2px;
  transition:height .25s ease;
}
.faq-item.open button{
  color:var(--primary);
}
.faq-item.open button::before{
  height:34px;
}
.faq-icon{
  flex-shrink:0;
  width:20px;height:20px;
  position:relative;
  transition:transform .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:'';
  position:absolute;
  background:var(--primary);
  border-radius:2px;
  transition:var(--transition);
}
.faq-icon::before{
  width:14px;height:2px;
  top:9px;left:3px;
}
.faq-icon::after{
  width:2px;height:14px;
  top:3px;left:9px;
}
.faq-item.open .faq-icon{
  transform:rotate(45deg);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-answer p{
  padding:0 24px 20px;
  color:var(--text-secondary);
  font-size:.9375rem;
  line-height:1.75;
}
/* ===== CTA ===== */
.cta-section{
  background:var(--bg-dark);
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:'';
  position:absolute;
  left:50%;top:50%;
  transform:translate(-50%,-50%);
  width:500px;height:500px;
  border:1px solid rgba(201,151,90,.15);
  border-radius:50%;
  pointer-events:none;
}
.cta-section::after{
  content:'';
  position:absolute;
  left:50%;top:50%;
  transform:translate(-50%,-50%);
  width:320px;height:320px;
  border:1px solid rgba(201,151,90,.1);
  border-radius:50%;
  pointer-events:none;
}
.cta-box{
  position:relative;
  z-index:2;
  text-align:center;
  max-width:720px;
  margin:0 auto;
}
.cta-box h2{
  font-size:clamp(1.5rem,2.5vw,2.25rem);
  font-weight:700;
  color:var(--text-on-dark);
  margin-bottom:16px;
  line-height:1.3;
}
.cta-box p{
  font-size:1rem;
  color:var(--text-on-dark-secondary);
  margin-bottom:36px;
  line-height:1.8;
}
.cta-actions{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
.cta-actions .btn-primary{
  background:var(--accent);
  color:var(--primary-dark);
  font-size:1rem;
  padding:14px 32px;
}
.cta-actions .btn-primary:hover{
  background:var(--accent-dark);
  color:#fff;
}
/* 相邻分类 */
.sibling-nav{
  margin-top:48px;
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
  position:relative;
  z-index:2;
}
.sibling-nav a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--text-on-dark-secondary);
  font-size:.875rem;
  padding:8px 18px;
  border:1px solid var(--border-dark);
  border-radius:var(--radius-btn);
  transition:var(--transition);
}
.sibling-nav a:hover{
  color:var(--accent);
  border-color:var(--accent);
  background:rgba(201,151,90,.08);
}
/* ===== Footer ===== */
.site-footer{
  background:var(--bg-dark);
  color:var(--text-on-dark-secondary);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-brand .footer-logo{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:1.25rem;
  font-weight:700;
  color:var(--text-on-dark);
  margin-bottom:16px;
}
.footer-brand p{
  font-size:.9375rem;
  line-height:1.8;
  color:var(--text-on-dark-secondary);
}
.footer-col h4{
  font-size:1rem;
  font-weight:600;
  color:var(--text-on-dark);
  margin-bottom:20px;
  letter-spacing:.02em;
}
.footer-col ul{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-col ul li{
  font-size:.9375rem;
  line-height:1.6;
}
.footer-col ul li a{
  color:var(--text-on-dark-secondary);
  transition:var(--transition);
}
.footer-col ul li a:hover{
  color:var(--accent);
}
.footer-bottom{
  border-top:1px solid var(--border-dark);
  padding:24px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-copyright{
  font-size:.875rem;
  color:var(--text-on-dark-secondary);
}
.footer-copyright a{
  color:var(--text-on-dark-secondary);
}
.footer-copyright a:hover{
  color:var(--accent);
}
.footer-social{
  display:flex;
  gap:12px;
}
.footer-social a{
  width:38px;height:38px;
  border:1px solid var(--border-dark);
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-on-dark-secondary);
  transition:var(--transition);
}
.footer-social a:hover{
  border-color:var(--accent);
  color:var(--accent);
  transform:translateY(-2px);
}
.footer-social svg{
  width:18px;height:18px;
}
/* ===== Responsive ===== */
@media (max-width:1024px){
  .types-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .rhythm-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .quality-grid{
    grid-template-columns:1fr;
  }
  .quality-media{
    max-height:360px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width:767px){
  .section{padding:64px 0}
  .page-head{padding:120px 0 40px}
  .nav-toggle{
    display:flex;
  }
  .main-nav{
    display:none;
    position:absolute;
    top:64px;left:0;right:0;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    padding:16px 24px 24px;
    gap:4px;
    border-bottom:1px solid var(--border-primary);
    box-shadow:0 16px 32px rgba(27,41,36,.1);
  }
  .main-nav.open{
    display:flex;
  }
  .main-nav a{
    padding:14px 12px;
    font-size:1rem;
    text-align:center;
    border-radius:8px;
  }
  .main-nav a.active::after{
    display:none;
  }
  .main-nav a.active{
    background:rgba(47,93,80,.08);
  }
  .header-cta{
    display:none;
  }
  .types-grid{
    grid-template-columns:1fr;
  }
  .featured-grid{
    grid-template-columns:1fr;
  }
  .rhythm-grid{
    grid-template-columns:1fr;
  }
  .quality-grid{
    gap:32px;
  }
  .quality-media img{
    max-height:260px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:40px;
  }
  .footer-bottom{
    flex-direction:column;
    justify-content:center;
    text-align:center;
  }
  .cta-actions{
    flex-direction:column;
    align-items:center;
  }
  .cta-actions .btn-primary,
  .cta-actions .btn-outline{
    width:100%;
    max-width:320px;
  }
  .sibling-nav{
    flex-direction:column;
    align-items:center;
  }
}
@media (max-width:520px){
  .quality-item{
    flex-direction:column;
    gap:8px;
  }
  .quality-num{
    font-size:1.5rem;
  }
  .rhythm-num{
    font-size:2rem;
  }
}