/* roulang page: index */
/* ========== Design System ========== */
:root {
  --primary: #4C7C66;
  --primary-dark: #3F6A55;
  --accent: #E0A458;
  --bg: #F5F6F3;
  --card: #FFFFFF;
  --ink: #1D2126;
  --ink-soft: #5F666E;
  --ink-fade: #8A9199;
  --line: #DDE2DB;
  --dark: #181B1E;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 28px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-hover: 0 4px 20px rgba(76,124,102,0.08);
  --transition: all 0.2s ease;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========== Components ========== */
.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 10px 22px;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}
.btn-primary:hover {
  background-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(76,124,102,0.25);
}
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn-primary:active { transform: translateY(0) scale(0.98); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 10px;
  padding: 10px 22px;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s ease;
  gap: 6px;
}
.btn-secondary:hover {
  background-color: rgba(76,124,102,0.05);
  color: var(--primary-dark);
  transform: translateY(-1px);
}
.btn-secondary:hover .arrow-icon { transform: translateX(4px); }
.arrow-icon { display: inline-block; transition: transform 0.2s ease; }

.btn-lg { padding: 14px 30px; font-size: 15px; border-radius: 12px; }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 8px; }

.badge {
  display: inline-flex;
  align-items: center;
  background-color: rgba(76,124,102,0.08);
  color: var(--primary);
  font-weight: 600;
  font-size: 12px;
  border-radius: 999px;
  padding: 4px 12px;
  line-height: 1.4;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

/* ========== Navigation ========== */
.nav-pill {
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid #E0E4DC;
  border-radius: 999px;
  height: 56px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.nav-scrolled .nav-pill {
  background: rgba(255,255,255,0.92);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: 6px 4px;
  transition: color 0.2s ease;
}
.nav-link:hover {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--accent);
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-link.active::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.logo-mark::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--accent);
  bottom: -4px;
  right: -4px;
  transform: rotate(45deg);
}

.login-btn {
  border-radius: 999px;
  padding: 7px 18px;
  font-size: 13px;
}

/* ========== Mobile Menu ========== */
.mobile-menu {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  border: 1px solid var(--line);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  margin-top: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
}
.mobile-menu a {
  display: block;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  transition: background 0.2s ease;
}
.mobile-menu a:hover {
  background: rgba(76,124,102,0.06);
  color: var(--primary);
}
.mobile-menu a.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(76,124,102,0.06);
}

/* ========== Hero ========== */
.hero {
  padding: 140px 0 80px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 60px;
  right: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(76,124,102,0.10) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-watermark {
  position: absolute;
  bottom: 20px;
  right: 40px;
  font-size: 96px;
  font-weight: 800;
  color: rgba(76,124,102,0.05);
  white-space: nowrap;
  letter-spacing: -0.02em;
  pointer-events: none;
  animation: drift 8s ease-in-out infinite alternate;
  user-select: none;
}
@keyframes drift {
  from { transform: translateX(-14px); }
  to { transform: translateX(14px); }
}
.hero-h1 {
  font-size: 38px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 16px;
}
.hero-sub {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 32px;
}
.trust-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 500;
}
.trust-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.hero-image-wrap {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
  aspect-ratio: 4/3;
  position: relative;
  background: linear-gradient(135deg, #E8EDE6 0%, #D5DDD2 100%);
}
.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-deco {
  position: absolute;
  bottom: -20px;
  left: -20px;
  width: 80px;
  height: 80px;
  border-radius: 16px;
  background: var(--accent);
  opacity: 0.3;
  transform: rotate(12deg);
  pointer-events: none;
}

/* ========== Section Base ========== */
.section { padding: 96px 0; }
.section-alt { background: #EDEFEA; }
.section-dark { background: var(--dark); color: #fff; }
.section-label-light { color: var(--accent); }

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 12px;
  position: relative;
  padding-left: 16px;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 4px;
  background: var(--primary);
}
.section-desc {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 720px;
}

/* ========== Service Cards ========== */
.service-card {
  background: #F3F5F1;
  border-radius: 16px;
  padding: 28px;
  transition: var(--transition);
  border: 1px solid transparent;
}
.service-card:hover {
  border-color: var(--line);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 18px;
  transition: background 0.2s ease, color 0.2s ease;
}
.service-card:hover .service-icon {
  background: rgba(76,124,102,0.10);
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}
.service-card:hover .service-link { color: var(--primary-dark); }
.service-card:hover .service-link .arrow-icon { transform: translateX(4px); }

/* ========== Stats ========== */
.stat-number {
  font-size: 44px;
  font-weight: 800;
  font-feature-settings: "tnum";
  color: #fff;
  line-height: 1.1;
}
.stat-unit {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  font-weight: 600;
  margin-left: 4px;
}
.stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
  margin-top: 6px;
}
.stat-accent .stat-number { color: var(--accent); }
.stat-divider {
  width: 1px;
  height: 56px;
  background: rgba(255,255,255,0.15);
}

/* ========== Case Cards ========== */
.case-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
  position: relative;
  background: #EDEFEA;
}
.case-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.case-card:hover .case-card-img img { transform: scale(1.03); }
.case-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(24,27,30,0.12) 100%);
  pointer-events: none;
}

/* ========== Solution Sections ========== */
.solution-img {
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16/10;
  position: relative;
}
.solution-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.solution-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink-soft);
}
.solution-feature:last-child { border-bottom: none; }
.solution-feature::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
  margin-top: 8px;
}

/* ========== News List ========== */
.news-row {
  transition: background 0.2s ease;
}
.news-row a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 12px;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}
.news-row:hover a { background: rgba(76,124,102,0.03); }
.news-row:last-child a { border-bottom: none; }

/* ========== FAQ ========== */
.faq-item {
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: 12px;
  background: #fff;
  margin-bottom: 12px;
  transition: var(--transition);
  overflow: hidden;
}
.faq-item.active {
  border-left-color: var(--primary);
  box-shadow: var(--shadow-hover);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  border: none;
  text-align: left;
  gap: 16px;
  transition: color 0.2s ease;
}
.faq-item.active .faq-question { color: var(--primary); }
.faq-toggle {
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
}
.faq-toggle::before,
.faq-toggle::after {
  content: '';
  position: absolute;
  background: var(--primary);
  transition: transform 0.3s ease;
}
.faq-toggle::before {
  width: 14px;
  height: 2px;
  top: 9px;
  left: 3px;
}
.faq-toggle::after {
  width: 2px;
  height: 14px;
  top: 3px;
  left: 9px;
}
.faq-item.active .faq-toggle::after { transform: rotate(90deg); }
.faq-answer {
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ========== CTA Form ========== */
.contact-wrap {
  background: #EDEFEA;
  border-radius: 24px;
  padding: 48px;
}
.form-input {
  width: 100%;
  background: #FAFBFA;
  border: 1px solid #D8DCD4;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(76,124,102,0.12);
}
.form-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 6px;
  display: block;
}
.contact-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ========== Footer ========== */
.footer {
  background: #14171A;
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}
.footer-link {
  display: block;
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  padding: 5px 0;
  transition: color 0.2s ease;
}
.footer-link:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 48px;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--accent); }

/* ========== CTA Strip ========== */
.cta-strip {
  background: rgba(76,124,102,0.08);
  border-radius: 24px;
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .hero { padding: 110px 0 56px; }
  .hero-h1 { font-size: 30px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 22px; }
  .stat-number { font-size: 32px; }
  .contact-wrap { padding: 28px 20px; }
  .hero-watermark { font-size: 56px; white-space: normal; }
  .trust-bar { gap: 8px; }
}

@media (max-width: 520px) {
  .btn-lg { width: 100%; }
  .btn-lg + .btn-lg { margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: article */
:root {
    --primary: #4C7C66;
    --primary-dark: #3F6A55;
    --accent: #E0A458;
    --bg: #F5F6F3;
    --card: #FFFFFF;
    --ink: #1D2126;
    --muted: #5F666E;
    --weak: #8A9199;
    --line: #DDE2DB;
    --dark: #181B1E;
    --radius: 16px;
    --shadow: 0 4px 20px rgba(76,124,102,0.10);
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

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

  a { color: var(--primary); text-decoration: none; transition: color .2s ease; }

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

  .container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  .logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 15px;
    border-radius: 10px;
    letter-spacing: 0;
    flex-shrink: 0;
  }

  .nav-pill {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 60;
    width: calc(100% - 2rem);
    max-width: 1080px;
    height: 56px;
    padding: 0 20px;
    background: rgba(255,255,255,0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid #e0e4dc;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
    transition: background .3s ease, box-shadow .3s ease;
  }

  .nav-pill.scrolled {
    background: rgba(255,255,255,0.92);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }

  .nav-link {
    position: relative;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    padding: 6px 2px;
    border-radius: 6px;
    transition: color .2s ease;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 2px;
    border-radius: 99px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .25s ease;
  }

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

  .nav-link:hover::after { transform: scaleX(1); }

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

  .nav-link.active::after { transform: scaleX(1); }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    border: none;
    border-radius: 10px;
    padding: 10px 22px;
    cursor: pointer;
    transition: all .2s ease;
    box-shadow: 0 2px 10px rgba(76,124,102,0.18);
  }

  .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(76,124,102,0.24);
    color: #fff;
  }

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

  .btn-primary:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
  }

  .btn-sm { padding: 6px 18px; border-radius: 999px; font-size: 13px; }

  .mobile-menu {
    position: fixed;
    top: 80px;
    right: 16px;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(14px);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 16px;
    width: 220px;
    box-shadow: 0 18px 50px rgba(0,0,0,0.12);
    z-index: 59;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .mobile-menu a {
    padding: 10px 14px;
    border-radius: 12px;
    font-weight: 500;
    color: var(--ink);
    font-size: 14px;
  }

  .mobile-menu a:hover { background: rgba(76,124,102,0.08); color: var(--primary); }

  .mobile-menu a.active { background: rgba(76,124,102,0.10); color: var(--primary); font-weight: 600; }

  .article-hero {
    position: relative;
    padding: 148px 0 72px;
    background: var(--dark);
    color: #fff;
    overflow: hidden;
  }

  .article-hero .hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.28;
  }

  .article-hero .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(24,27,30,0.92) 0%, rgba(24,27,30,0.62) 60%, rgba(24,27,30,0.78) 100%);
  }

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

  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 32px;
    flex-wrap: wrap;
  }

  .breadcrumb a { color: rgba(255,255,255,0.7); }

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

  .breadcrumb .sep { opacity: 0.44; }

  .breadcrumb .current { color: rgba(255,255,255,0.95); }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(76,124,102,0.24);
    border: 1px solid rgba(76,124,102,0.6);
    color: #a8d2b6;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 999px;
    margin-bottom: 18px;
    letter-spacing: 0.02em;
  }

  .article-hero h1 {
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.01em;
    margin-bottom: 18px;
  }

  .article-hero h1 .brand-suffix {
    color: var(--accent);
    font-size: 0.58em;
    font-weight: 600;
    margin-left: 6px;
  }

  .article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 13px;
    color: rgba(255,255,255,0.64);
  }

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

  .article-meta svg { width: 14px; height: 14px; }

  .article-section {
    padding: 72px 0 48px;
    background: var(--bg);
  }

  .article-content-wrap {
    max-width: 860px;
    margin: 0 auto;
  }

  .article-cover {
    width: 100%;
    height: auto;
    aspect-ratio: 16/8;
    object-fit: cover;
    border-radius: 20px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(24,27,30,0.10);
  }

  .article-body {
    font-size: 16px;
    line-height: 1.85;
    color: #2a2f35;
  }

  .article-body p { margin-bottom: 1.6em; letter-spacing: 0.02em; }

  .article-body h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--ink);
    margin: 2em 0 0.8em;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    line-height: 1.4;
  }

  .article-body h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--ink);
    margin: 1.6em 0 0.6em;
  }

  .article-body ul, .article-body ol {
    margin: 0 0 1.6em 1.4em;
    padding-left: 0.4em;
  }

  .article-body ul { list-style: disc; }

  .article-body ol { list-style: decimal; }

  .article-body li { margin-bottom: 0.5em; }

  .article-body blockquote {
    border-left: 3px solid var(--primary);
    background: rgba(76,124,102,0.06);
    padding: 16px 20px;
    border-radius: 0 12px 12px 0;
    margin: 1.6em 0;
    color: var(--muted);
  }

  .article-body blockquote p { margin: 0; }

  .article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  .article-body a:hover { color: var(--primary-dark); }

  .article-body img { border-radius: 16px; margin: 2em 0; }

  .article-body pre {
    background: var(--dark);
    color: #d6dce3;
    border-radius: 14px;
    padding: 20px;
    overflow-x: auto;
    margin: 1.6em 0;
    font-size: 13px;
    line-height: 1.6;
  }

  .article-body code {
    background: rgba(76,124,102,0.10);
    color: var(--primary-dark);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.9em;
  }

  .article-body pre code {
    background: transparent;
    color: inherit;
    padding: 0;
  }

  .empty-state {
    background: #fff;
    border: 1px dashed #b8c2b8;
    border-radius: 20px;
    padding: 60px 24px;
    text-align: center;
    color: var(--weak);
    font-size: 15px;
  }

  .empty-state a {
    display: inline-block;
    margin-top: 14px;
    font-weight: 600;
    color: var(--primary);
  }

  .article-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin: 40px 0 28px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
  }

  .tag-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(76,124,102,0.08);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    transition: background .2s ease;
  }

  .tag-badge:hover { background: rgba(76,124,102,0.16); color: var(--primary-dark); }

  .article-pager {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 28px 0 8px;
  }

  .pager-link {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 18px 20px;
    transition: all .25s ease;
    color: var(--ink);
  }

  .pager-link:hover {
    border-color: rgba(76,124,102,0.4);
    box-shadow: 0 4px 16px rgba(76,124,102,0.08);
    transform: translateY(-2px);
    color: var(--ink);
  }

  .pager-link .direction {
    font-size: 12px;
    color: var(--weak);
  }

  .pager-link .title {
    font-weight: 600;
    font-size: 15px;
    color: var(--ink);
  }

  .pager-link.next { text-align: right; }

  .pager-link.next .title { color: var(--primary); }

  .pager-link .arrow { color: var(--primary); font-weight: 600; }

  .related-section {
    padding: 48px 0 72px;
    background: var(--bg);
  }

  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 32px;
  }

  .section-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 6px;
  }

  .section-head h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.01em;
  }

  .news-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
    transition: all .3s ease;
  }

  .news-card:hover {
    border-color: rgba(76,124,102,0.4);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
  }

  .news-card .thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: #edece8;
  }

  .news-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
  }

  .news-card:hover .thumb img { transform: scale(1.04); }

  .news-card .card-body { padding: 20px; }

  .news-card .card-date {
    font-size: 12px;
    color: var(--weak);
    margin-bottom: 6px;
  }

  .news-card h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--ink);
    margin-bottom: 8px;
  }

  .news-card h3 a { color: var(--ink); }

  .news-card h3 a:hover { color: var(--primary); }

  .news-card .card-desc {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
  }

  .cta-strip {
    background: #EDF3EE;
    border-radius: 24px;
    padding: 32px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    margin: 0 auto 72px;
    max-width: 1200px;
  }

  .cta-strip .cta-title { font-size: 18px; font-weight: 700; color: var(--ink); }

  .cta-strip .cta-desc { font-size: 14px; color: var(--muted); margin-top: 4px; }

  .btn-accent {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #1D2126;
    font-weight: 700;
    padding: 10px 22px;
    border-radius: 999px;
    transition: all .2s ease;
  }

  .btn-accent:hover {
    background: #d39449;
    transform: translateY(-1px);
    color: #1D2126;
    box-shadow: 0 6px 18px rgba(224,164,88,0.30);
  }

  .footer {
    background: #14171A;
    color: rgba(255,255,255,0.6);
    padding: 64px 0 0;
    margin-top: 0;
  }

  .footer-title {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 18px;
  }

  .footer-link {
    display: block;
    color: rgba(255,255,255,0.5);
    font-size: 14px;
    line-height: 2.2;
    transition: color .2s ease;
  }

  .footer-link:hover { color: #fff; }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    margin-top: 48px;
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
  }

  .footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.38); }

  .footer-bottom a { color: rgba(255,255,255,0.6); }

  .footer-bottom a:hover { color: #fff; }

  @media (max-width: 768px) {
    .nav-pill { width: calc(100% - 24px); padding: 0 12px; }
    .article-hero { padding: 128px 0 52px; }
    .article-hero h1 { font-size: 30px; }
    .article-meta { gap: 12px; }
    .article-pager { grid-template-columns: 1fr; }
    .pager-link.next { text-align: left; }
    .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
    .cta-strip { padding: 24px; flex-direction: column; align-items: flex-start; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
  }

  @media (max-width: 520px) {
    .article-hero h1 { font-size: 26px; }
    .article-body { font-size: 15px; }
    .article-content-wrap { padding: 0 8px; }
    .news-card .card-body { padding: 16px; }
  }

/* roulang page: category1 */
:root {
    --primary: #4C7C66;
    --primary-dark: #3F6A55;
    --accent: #E0A458;
    --bg: #F5F6F3;
    --card: #FFFFFF;
    --ink: #1D2126;
    --gray: #5F666E;
    --gray-light: #8A9199;
    --border: #DDE2DB;
    --dark: #181B1E;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 20px rgba(76,124,102,0.08);
    --radius: 16px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  }

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

  html { scroll-behavior: smooth; }

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

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

  a { text-decoration: none; color: inherit; }
  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
  }

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

  /* Nav */
  .nav-pill {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    width: calc(100% - 32px);
    max-width: 1024px;
    height: 56px;
    background: rgba(255,255,255,0.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: background 0.3s ease, box-shadow 0.3s ease;
  }
  .nav-pill.scrolled {
    background: rgba(255,255,255,0.92);
    box-shadow: 0 6px 24px rgba(0,0,0,0.06);
  }
  .logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray);
    padding: 6px 4px;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
    position: relative;
  }
  .nav-link:hover {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 8px;
    text-decoration-thickness: 2px;
    text-decoration-color: rgba(76,124,102,0.5);
  }
  .nav-link.active {
    color: var(--primary);
    font-weight: 600;
  }
  .nav-link.active::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
  }

  /* Buttons */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    padding: 10px 22px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
  }
  .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(76,124,102,0.2);
  }
  .btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(224,164,88,0.3), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
  }
  .btn-primary:hover::after { opacity: 0.6; }
  .btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
  }

  .btn-sm {
    padding: 7px 18px;
    font-size: 13px;
    border-radius: 999px;
  }
  .btn-sm::after { border-radius: 999px; }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    padding: 10px 22px;
    transition: all 0.2s ease;
    cursor: pointer;
  }
  .btn-outline:hover {
    background: rgba(76,124,102,0.06);
    border-color: var(--primary-dark);
  }
  .btn-outline .arrow { transition: transform 0.2s; }
  .btn-outline:hover .arrow { transform: translateX(4px); }

  .btn-accent {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #1D2126;
    font-size: 14px;
    font-weight: 700;
    border-radius: 12px;
    padding: 12px 28px;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
  }
  .btn-accent:hover {
    background: #c98f44;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(224,164,88,0.3);
  }

  /* Hero */
  .hero-section {
    position: relative;
    padding: 148px 0 96px;
    background:
      linear-gradient(120deg, rgba(24,27,30,0.92) 0%, rgba(24,27,30,0.78) 40%, rgba(76,124,102,0.55) 100%),
      url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    color: #fff;
    overflow: hidden;
  }
  .hero-section::before {
    content: '必一运动';
    position: absolute;
    right: -30px;
    bottom: -30px;
    font-size: 180px;
    font-weight: 800;
    line-height: 1;
    color: rgba(255,255,255,0.04);
    letter-spacing: 0.05em;
    pointer-events: none;
    white-space: nowrap;
    animation: drift 8s ease-in-out infinite;
  }
  @keyframes drift {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-18px); }
  }
  @media (prefers-reduced-motion: reduce) {
    .hero-section::before { animation: none; }
  }
  .hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 30%, rgba(76,124,102,0.25), transparent 60%);
    pointer-events: none;
  }
  .hero-section .container { position: relative; z-index: 2; }
  .hero-label {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    padding: 6px 14px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 999px;
    background: rgba(255,255,255,0.06);
    margin-bottom: 20px;
  }
  .hero-title {
    font-size: clamp(30px, 4.5vw, 44px);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
  }
  .hero-accent { color: var(--accent); }
  .hero-desc {
    font-size: 17px;
    line-height: 1.75;
    color: rgba(255,255,255,0.78);
    max-width: 36em;
    margin-bottom: 30px;
  }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }
  .hero-trust {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    padding-top: 22px;
    border-top: 1px solid rgba(255,255,255,0.14);
    font-size: 13px;
    color: rgba(255,255,255,0.6);
  }
  .hero-trust .dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    margin-right: 2px;
  }
  .hero-card-wrap { position: relative; }
  .hero-card {
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.16);
    box-shadow: 0 24px 48px rgba(0,0,0,0.35);
    aspect-ratio: 4 / 3;
    background: #2a2f34;
  }
  .hero-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.01);
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .hero-card:hover img { transform: scale(1.04); }
  .hero-card-caption {
    position: absolute;
    left: 14px;
    bottom: 14px;
    padding: 8px 16px;
    border-radius: 999px;
    background: rgba(24,27,30,0.7);
    backdrop-filter: blur(6px);
    font-size: 12px;
    color: #fff;
    letter-spacing: 0.04em;
  }

  /* Section */
  .section { padding: 88px 0; }
  .section-alt { background: #EDEFEA; }
  .section-head { max-width: 720px; margin-bottom: 52px; }
  .section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
  .section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 12px;
    background: rgba(76,124,102,0.08);
    padding: 4px 12px;
    border-radius: 999px;
  }
  .section-label.light { background: rgba(255,255,255,0.12); color: var(--accent); }
  .section-title {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-bottom: 14px;
    position: relative;
    padding-left: 16px;
  }
  .section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    border-radius: 4px;
    background: var(--primary);
  }
  .section-desc {
    color: var(--gray);
    font-size: 15px;
    line-height: 1.7;
    max-width: 60em;
  }

  /* Coverage Cards */
  .coverage-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
  .coverage-card {
    background: #F3F5F1;
    border-radius: 16px;
    padding: 32px 28px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
  }
  .coverage-card::after {
    content: '';
    position: absolute;
    right: -40px;
    top: -40px;
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: rgba(76,124,102,0.06);
    transition: transform 0.4s ease;
  }
  .coverage-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }
  .coverage-card:hover::after { transform: scale(1.5); }
  .cover-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 2px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 22px;
    transition: background 0.3s;
  }
  .coverage-card:hover .cover-icon { background: rgba(76,124,102,0.1); }
  .coverage-card h3 {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 10px;
  }
  .coverage-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 18px;
  }
  .coverage-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s;
  }
  .coverage-link:hover { gap: 10px; }

  /* Stats */
  .stats-section {
    background: var(--dark);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
  }
  .stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(76,124,102,0.1), transparent 50%);
    pointer-events: none;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px 24px;
    position: relative;
    z-index: 2;
  }
  .stat-item {
    text-align: center;
    padding: 0 16px;
    position: relative;
  }
  .stat-item + .stat-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    bottom: 20%;
    width: 1px;
    background: rgba(255,255,255,0.1);
  }
  @media (max-width: 767px) {
    .stat-item:nth-child(3)::before,
    .stat-item:nth-child(4)::before { display: none; }
  }
  .stat-number {
    font-size: clamp(42px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
  }
  .stat-number .stat-unit { font-size: 0.6em; color: var(--accent); margin-left: 2px; }
  .stat-label {
    display: block;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    margin-top: 8px;
    letter-spacing: 0.04em;
  }

  /* News List */
  .news-panel {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
  }
  .news-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 24px;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
  }
  .news-item:last-child { border-bottom: none; }
  .news-item:hover { background: #F8FAF7; }
  .news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
  }
  .news-date {
    color: var(--gray-light);
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
    min-width: 78px;
  }
  .news-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(76,124,102,0.08);
    padding: 3px 12px;
    border-radius: 999px;
  }
  .news-title {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.45;
    color: var(--ink);
    transition: color 0.2s;
  }
  .news-title:hover { color: var(--primary); }
  .news-summary {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  @media (min-width: 768px) {
    .news-item {
      flex-direction: row;
      align-items: center;
      gap: 20px;
    }
    .news-meta { flex-shrink: 0; width: 150px; }
    .news-title { flex: 1; }
    .news-summary { width: 42%; flex-shrink: 0; }
  }

  /* Image Frame */
  .image-frame {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: #2a2f34;
    aspect-ratio: 4/3;
    position: relative;
  }
  .image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .image-frame:hover img { transform: scale(1.04); }
  .image-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(24,27,30,0.2), transparent 45%);
    pointer-events: none;
  }

  /* Feature List */
  .feature-list { margin-top: 24px; }
  .feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
    color: var(--gray);
  }
  .feature-item:last-child { border-bottom: none; }
  .feature-check {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(76,124,102,0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 3px;
  }

  /* Steps */
  .step-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 26px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
  }
  .step-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }
  .step-num {
    font-size: 36px;
    font-weight: 800;
    color: rgba(76,124,102,0.18);
    font-variant-numeric: tabular-nums;
    line-height: 1;
    margin-bottom: 18px;
  }
  .step-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 18px;
    border-radius: 16px;
    background: rgba(76,124,102,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
  }
  .step-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
  .step-card p { font-size: 14px; color: var(--gray); line-height: 1.7; }

  /* FAQ */
  .faq-side .section-title { padding-left: 16px; }
  .faq-side .section-title::before { content: ''; position: absolute; left: 0; top: 6px; bottom: 6px; width: 4px; border-radius: 4px; background: var(--primary); }
  .faq-list { max-width: 720px; }
  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
  }
  .faq-item.active {
    border-color: rgba(76,124,102,0.5);
    box-shadow: inset 3px 0 0 var(--primary);
  }
  .faq-question {
    width: 100%;
    background: transparent;
    border: none;
    text-align: left;
    padding: 20px 22px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    transition: color 0.2s;
  }
  .faq-question:hover { color: var(--primary); }
  .faq-item.active .faq-question { color: var(--primary); }
  .faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(76,124,102,0.08);
    color: var(--primary);
    transition: transform 0.3s;
  }
  .faq-item.active .faq-icon { transform: rotate(45deg); }
  .faq-answer {
    display: none;
    padding: 0 22px 22px;
    font-size: 14px;
    line-height: 1.75;
    color: var(--gray);
  }
  .faq-item.active .faq-answer { display: block; }

  /* CTA Bar */
  .cta-bar {
    background: #EDF3EE;
    border-radius: 24px;
    padding: 40px 48px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
  .cta-bar h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--ink);
  }
  .cta-bar p {
    font-size: 14px;
    color: var(--gray);
    max-width: 40em;
    margin-top: 6px;
  }
  @media (min-width: 768px) {
    .cta-bar {
      flex-direction: row;
      align-items: center;
      justify-content: space-between;
    }
  }

  /* Footer */
  .footer {
    background: #14171A;
    color: #fff;
    padding: 72px 0 0;
    border-radius: 28px 28px 0 0;
    margin-top: 40px;
  }
  .footer-title {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: #fff;
    margin-bottom: 16px;
  }
  .footer-link {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    padding: 5px 0;
    transition: color 0.2s, padding-left 0.2s;
  }
  .footer-link:hover {
    color: var(--primary);
    padding-left: 4px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    margin-top: 48px;
    padding: 22px 0;
  }
  .footer-bottom p {
    font-size: 12px;
    color: rgba(255,255,255,0.35);
  }

  /* Animations */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .hero-label, .hero-title, .hero-desc, .hero-actions, .hero-trust, .hero-card { opacity: 0; animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
  .hero-label { animation-delay: 0.1s; }
  .hero-title { animation-delay: 0.2s; }
  .hero-desc { animation-delay: 0.3s; }
  .hero-actions { animation-delay: 0.4s; }
  .hero-trust { animation-delay: 0.5s; }
  .hero-card { animation-delay: 0.35s; }
  @media (prefers-reduced-motion: reduce) {
    .hero-label, .hero-title, .hero-desc, .hero-actions, .hero-trust, .hero-card {
      animation: none; opacity: 1;
    }
  }

  /* Responsive */
  @media (max-width: 768px) {
    .nav-pill { width: calc(100% - 24px); padding: 0 16px; }
    .section { padding: 60px 0; }
    .coverage-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 30px 12px; }
    .stat-item + .stat-item::before { display: none; }
    .section-title { font-size: 24px; }
  }
  @media (min-width: 769px) {
    .coverage-grid { grid-template-columns: repeat(3, 1fr); }
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
  }
  @media (max-width: 480px) {
    .hero-card-wrap { display: none; }
    .cta-bar { padding: 28px 20px; }
  }

/* roulang page: category2 */
:root {
    --primary: #4C7C66;
    --primary-dark: #3F6A55;
    --accent: #E0A458;
    --bg-page: #F5F6F3;
    --bg-card: #FFFFFF;
    --bg-soft: #EDEFEA;
    --ink: #1D2126;
    --ink-2: #5F666E;
    --ink-3: #8A9199;
    --line: #DDE2DB;
    --dark: #181B1E;
    --radius: 16px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 3px rgba(24, 27, 30, .06);
    --shadow-md: 0 4px 20px rgba(76, 124, 102, .10);
    --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink);
    background-color: var(--bg-page);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
  a:hover { color: var(--primary-dark); }
  img { max-width: 100%; display: block; }
  button { font-family: inherit; cursor: pointer; border: none; background: none; }
  input, select, textarea { font-family: inherit; font-size: 15px; }

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

  /* ===== Nav ===== */
  .nav-wrap {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    width: calc(100% - 32px);
    max-width: 1080px;
    transition: top .3s ease;
  }

  .nav-wrap.scrolled { top: 8px; }

  .nav-pill {
    background: rgba(255, 255, 255, .74);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid #e0e4dc;
    border-radius: 999px;
    height: 56px;
    padding: 0 20px 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 12px rgba(24, 27, 30, .06);
    transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
  }

  .nav-wrap.scrolled .nav-pill {
    background: rgba(255, 255, 255, .92);
    box-shadow: 0 4px 20px rgba(24, 27, 30, .08);
  }

  .logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), #2f5d47);
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: -.02em;
    box-shadow: 0 2px 8px rgba(76, 124, 102, .25);
    flex-shrink: 0;
  }

  .nav-link {
    position: relative;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink-2);
    padding: 6px 4px;
    letter-spacing: .01em;
    transition: color .2s ease;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    border-radius: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease;
  }

  .nav-link:hover { color: var(--primary); }
  .nav-link:hover::after { transform: scaleX(1); }

  .nav-link.active { color: var(--primary); font-weight: 600; }
  .nav-link.active::after { transform: scaleX(1); }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    padding: 10px 22px;
    border: none;
    transition: all .2s ease;
    outline-offset: 2px;
    white-space: nowrap;
  }

  .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(76, 124, 102, .18); }
  .btn-primary:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
  .btn-primary:active { transform: translateY(0); }

  .btn-sm { padding: 7px 18px; font-size: 13px; border-radius: 999px; }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    padding: 10px 20px;
    border: 1px solid var(--primary);
    transition: all .2s ease;
    outline-offset: 2px;
  }

  .btn-ghost:hover { background: rgba(76, 124, 102, .06); color: var(--primary-dark); }
  .btn-ghost:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

  .btn-accent {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    padding: 11px 24px;
    transition: all .2s ease;
    outline-offset: 2px;
    box-shadow: 0 2px 10px rgba(224, 164, 88, .25);
  }

  .btn-accent:hover { background: #c98f43; color: #fff; transform: translateY(-1px); }
  .btn-accent:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

  /* Mobile menu */
  #mobileMenu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(16px);
    border-radius: 20px;
    border: 1px solid var(--line);
    padding: 12px;
    box-shadow: 0 10px 30px rgba(24, 27, 30, .12);
  }

  #mobileMenu.open { display: block; }

  .mobile-link {
    display: block;
    padding: 12px 16px;
    border-radius: 12px;
    color: var(--ink);
    font-size: 15px;
    font-weight: 500;
    transition: background .2s ease;
  }

  .mobile-link:hover { background: rgba(76, 124, 102, .08); color: var(--primary); }
  .mobile-link.active { color: var(--primary); background: rgba(76, 124, 102, .08); font-weight: 600; }

  /* ===== Hero ===== */
  .cat-hero {
    position: relative;
    padding: 168px 0 96px;
    background-image: linear-gradient(115deg, rgba(24, 27, 30, .91) 0%, rgba(38, 56, 47, .76) 55%, rgba(76, 124, 102, .55) 100%), url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    overflow: hidden;
  }

  .cat-hero::after {
    content: "B·MOVEMENT";
    position: absolute;
    right: -20px;
    bottom: -30px;
    font-size: 120px;
    font-weight: 800;
    letter-spacing: -.04em;
    color: rgba(255, 255, 255, .045);
    pointer-events: none;
    animation: floatText 8s ease-in-out infinite;
    white-space: nowrap;
  }

  @keyframes floatText {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-18px); }
  }

  .cat-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .18);
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: .12em;
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 20px;
  }

  .cat-hero h1 {
    font-size: clamp(28px, 4.2vw, 44px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -.01em;
    color: #fff;
    margin-bottom: 18px;
  }

  .cat-hero h1 .highlight { color: var(--accent); }

  .cat-hero .hero-sub {
    font-size: 16px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .75);
    max-width: 560px;
    margin: 0 auto 30px;
  }

  .hero-search {
    max-width: 480px;
    margin: 0 auto;
    display: flex;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 999px;
    padding: 5px 5px 5px 18px;
    backdrop-filter: blur(6px);
    transition: border-color .2s ease, background .2s ease;
  }

  .hero-search:focus-within {
    border-color: rgba(255, 255, 255, .45);
    background: rgba(255, 255, 255, .16);
  }

  .hero-search input {
    flex: 1;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 14px;
    outline: none;
    min-width: 0;
  }

  .hero-search input::placeholder { color: rgba(255, 255, 255, .55); }

  .hero-search button {
    flex-shrink: 0;
    background: var(--accent);
    color: #fff;
    border-radius: 999px;
    padding: 8px 22px;
    font-size: 14px;
    font-weight: 600;
    transition: background .2s ease;
  }

  .hero-search button:hover { background: #c98f43; }

  /* ===== Section ===== */
  .section { padding: 88px 0; }

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

  .section-dark {
    background: var(--dark);
    color: #fff;
  }

  .section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
  }

  .section-head .section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: .1em;
    margin-bottom: 10px;
  }

  .section-head h2 {
    font-size: clamp(24px, 3vw, 30px);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -.01em;
    color: var(--ink);
    margin-bottom: 14px;
  }

  .section-head p {
    font-size: 15px;
    color: var(--ink-2);
    line-height: 1.7;
  }

  .section-label-left {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: .1em;
    margin-bottom: 10px;
  }

  .section-h2-left {
    font-size: clamp(24px, 3vw, 30px);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -.01em;
    color: var(--ink);
    margin-bottom: 16px;
  }

  .section-desc-left {
    font-size: 15px;
    color: var(--ink-2);
    line-height: 1.75;
    max-width: 480px;
  }

  /* ===== Cards ===== */
  .card-method {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: all .3s ease;
    position: relative;
    overflow: hidden;
  }

  .card-method::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s ease;
  }

  .card-method:hover {
    border-color: rgba(76, 124, 102, .35);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }

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

  .method-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(76, 124, 102, .1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 18px;
    transition: all .3s ease;
  }

  .card-method:hover .method-icon { background: var(--primary); color: #fff; }

  .card-method h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 10px;
  }

  .card-method p {
    font-size: 14px;
    color: var(--ink-2);
    line-height: 1.65;
    margin-bottom: 14px;
  }

  .card-method .method-tag {
    display: inline-block;
    font-size: 12px;
    color: var(--primary);
    background: rgba(76, 124, 102, .07);
    border-radius: 999px;
    padding: 3px 12px;
    font-weight: 500;
  }

  /* ===== Steps ===== */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
  }

  .steps-grid::before {
    content: "";
    position: absolute;
    top: 32px;
    left: 8%;
    right: 8%;
    height: 1px;
    background: repeating-linear-gradient(90deg, var(--primary) 0 6px, transparent 6px 14px);
    opacity: .25;
  }

  .step-item {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
    position: relative;
    z-index: 1;
    transition: all .3s ease;
  }

  .step-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

  .step-num {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: rgba(76, 124, 102, .1);
    color: var(--primary);
    font-size: 22px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .3s ease;
    font-feature-settings: "tnum";
  }

  .step-item:hover .step-num { background: var(--primary); color: #fff; }

  .step-item h3 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
  .step-item p { font-size: 14px; color: var(--ink-2); line-height: 1.65; }

  /* ===== Security ===== */
  .security-list { margin-top: 28px; }

  .security-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .security-item:last-child { border-bottom: none; }

  .security-check {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(76, 124, 102, .12);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
  }

  .security-item span { font-size: 15px; color: var(--ink); font-weight: 500; display: block; }
  .security-item small { font-size: 13px; color: var(--ink-3); display: block; margin-top: 2px; }

  .security-img-wrap {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(24, 27, 30, .08);
    position: relative;
  }

  .security-img-wrap img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    transition: transform .5s ease;
  }

  .security-img-wrap:hover img { transform: scale(1.03); }

  .security-img-tag {
    position: absolute;
    left: 16px;
    bottom: 16px;
    background: rgba(24, 27, 30, .82);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 13px;
    padding: 8px 16px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .security-img-tag .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
  }

  /* ===== FAQ ===== */
  .faq-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 56px;
    align-items: start;
  }

  .faq-left { position: sticky; top: 100px; }

  .faq-left p { color: var(--ink-2); font-size: 15px; line-height: 1.75; margin: 16px 0 24px; }

  .faq-item {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden;
    transition: all .3s ease;
  }

  .faq-item.active {
    border-color: rgba(76, 124, 102, .4);
    box-shadow: 0 2px 16px rgba(76, 124, 102, .07);
  }

  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    text-align: left;
    transition: color .2s ease;
  }

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

  .faq-item.active .faq-question { color: var(--primary); }

  .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--ink-3);
    font-size: 18px;
    font-weight: 400;
    transition: all .3s ease;
  }

  .faq-item.active .faq-icon {
    transform: rotate(45deg);
    background: rgba(76, 124, 102, .1);
    border-color: rgba(76, 124, 102, .3);
    color: var(--primary);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, padding .35s ease;
  }

  .faq-answer-inner {
    padding: 0 20px 18px;
    font-size: 14px;
    color: var(--ink-2);
    line-height: 1.7;
  }

  .faq-item.active .faq-answer { max-height: 240px; }
  .faq-item.active .faq-answer-inner { padding-bottom: 18px; }

  /* ===== CTA Strip ===== */
  .cta-strip {
    background: #EDF3EE;
    border-radius: 28px;
    padding: 40px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
  }

  .cta-strip h3 { font-size: 22px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
  .cta-strip p { font-size: 15px; color: var(--ink-2); max-width: 420px; }

  /* ===== Footer ===== */
  .footer {
    background: var(--dark);
    color: rgba(255, 255, 255, .55);
    padding: 64px 0 0;
    margin-top: 32px;
  }

  .footer-title {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
  }

  .footer-link {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, .5);
    margin-bottom: 12px;
    transition: all .2s ease;
  }

  .footer-link:hover { color: var(--accent); padding-left: 4px; }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    margin-top: 48px;
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }

  /* ===== Motion ===== */
  @media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
    html { scroll-behavior: auto; }
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .section { padding: 72px 0; }
    .faq-grid { grid-template-columns: 1fr; gap: 32px; }
    .faq-left { position: static; }
    .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .steps-grid::before { display: none; }
  }

  @media (max-width: 768px) {
    .cat-hero { padding: 140px 0 72px; }
    .cat-hero::after { font-size: 70px; }
    .section { padding: 56px 0; }
    .cta-strip { padding: 32px 24px; flex-direction: column; align-items: flex-start; }
    .btn-accent { width: 100%; }
    .security-img-wrap img { height: 300px; }
  }

  @media (max-width: 640px) {
    .steps-grid { grid-template-columns: 1fr; }
    .cat-hero h1 { font-size: 26px; }
    .hero-search { flex-direction: column; background: transparent; border: none; gap: 10px; padding: 0; }
    .hero-search input {
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .2);
      border-radius: 999px;
      padding: 10px 16px;
      color: #fff;
    }
    .hero-search button {
      width: 100%;
      padding: 10px;
    }
    .footer-bottom { flex-direction: column; text-align: center; }
  }