/* roulang page: index */
:root {
    --primary: #0E9F67;
    --secondary: #085C43;
    --accent: #D9EF6A;
    --page: #F7F5F0;
    --surface: #FFFFFF;
    --ink: #16251F;
    --muted: #61746B;
    --line: #E3E0D8;
    --radius: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.10);
    --container: 1200px;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--page);
    color: var(--ink);
    line-height: 1.7;
    font-size: 16px;
    word-break: break-word;
  }
  a { text-decoration: none; color: var(--primary); transition: color .2s; }
  a:hover { color: var(--secondary); }
  img { max-width: 100%; height: auto; display: block; }
  button { font-family: inherit; cursor: pointer; }
  .container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
  }
  /* Header */
  .site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    transition: box-shadow .3s;
  }
  .site-header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
  .header-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
  }
  .logo {
    display: flex; align-items: center; gap: 12px;
    font-weight: 700; font-size: 1.3rem; color: var(--ink);
  }
  .logo:hover { color: var(--primary); }
  .logo-badge {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border-radius: 10px;
    background: var(--primary); color: #fff; font-size: 1.1rem;
  }
  .main-nav ul { display: flex; gap: 8px; list-style: none; }
  .main-nav a {
    display: inline-block; padding: 8px 16px; border-radius: 999px;
    font-size: 15px; font-weight: 500; color: var(--ink);
    transition: all .2s;
  }
  .main-nav a:hover { color: var(--primary); background: rgba(14,159,103,0.08); }
  .main-nav a.active { color: var(--primary); font-weight: 600; background: rgba(14,159,103,0.1); position: relative; }
  .nav-cta {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--primary); color: #fff;
    padding: 9px 22px; border-radius: 999px;
    font-size: 15px; font-weight: 600; transition: background .2s;
  }
  .nav-cta:hover { background: var(--secondary); color: #fff; }
  .mobile-toggle {
    display: none; width: 40px; height: 40px; border: none;
    background: transparent; font-size: 1.4rem; color: var(--ink);
    border-radius: 8px; align-items: center; justify-content: center;
  }
  .mobile-toggle:hover { background: rgba(0,0,0,0.05); }
  .mobile-menu {
    display: none; position: fixed; top: 0; right: 0; bottom: 0; width: 280px;
    background: #fff; z-index: 200; box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    padding: 32px 24px; flex-direction: column; gap: 8px;
    transform: translateX(100%); transition: transform .25s ease;
  }
  .mobile-menu.open { transform: translateX(0); }
  .mobile-menu a {
    display: block; padding: 12px 16px; border-radius: 10px;
    font-size: 18px; color: var(--ink);
  }
  .mobile-menu a.active { background: rgba(14,159,103,0.1); color: var(--primary); }
  .mobile-menu-close {
    position: absolute; top: 16px; right: 16px; width: 36px; height: 36px;
    border: none; background: rgba(0,0,0,0.05); border-radius: 8px;
    font-size: 1.2rem; color: var(--ink);
  }
  .mobile-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4); z-index: 199;
  }
  .mobile-overlay.open { display: block; }
  /* Hero */
  .hero {
    position: relative;
    min-height: 480px;
    display: flex; align-items: center;
    background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    background-color: var(--secondary);
    overflow: hidden;
  }
  .hero-overlay {
    position: absolute; inset: 0;
    background: rgba(8,92,67,0.65);
  }
  .hero-content { position: relative; z-index: 2; padding: 80px 0; max-width: 760px; }
  .hero h1 {
    font-size: clamp(30px, 4.5vw, 44px);
    font-weight: 700; line-height: 1.2; color: #fff;
    margin-bottom: 18px;
  }
  .hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255,255,255,0.92); line-height: 1.6; max-width: 560px;
    margin-bottom: 36px;
  }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
  .hero-meta {
    display: flex; flex-wrap: wrap; gap: 24px; margin-top: 48px;
    padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.2);
  }
  .hero-meta span {
    display: inline-flex; align-items: center; gap: 8px;
    color: rgba(255,255,255,0.85); font-size: 14px;
  }
  .hero-meta i { color: var(--accent); }
  /* Buttons */
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    border-radius: 999px; font-size: 15px; font-weight: 600;
    padding: 12px 28px; border: none; transition: all .2s;
    cursor: pointer; text-align: center;
  }
  .btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
  .btn:active { transform: scale(0.98); }
  .btn-primary { background: var(--primary); color: #fff; }
  .btn-primary:hover { background: var(--secondary); color: #fff; }
  .btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.6); }
  .btn-ghost:hover { background: rgba(255,255,255,0.12); color: #fff; }
  .btn-lg { padding: 14px 36px; font-size: 16px; }
  .btn-accent { background: var(--accent); color: var(--secondary); }
  .btn-accent:hover { background: #c5df4e; color: var(--secondary); }
  .btn-outline { border: 1px solid var(--line); color: var(--ink); background: #fff; }
  .btn-outline:hover { border-color: var(--primary); color: var(--primary); }
  /* Section */
  .section { padding: 96px 0; }
  .section-alt { background: #fff; }
  .section-head { text-align: center; margin-bottom: 56px; }
  .section-head h2 {
    font-size: clamp(24px, 3.5vw, 32px); font-weight: 700;
    color: var(--ink); line-height: 1.3; margin-bottom: 8px;
  }
  .section-head p { color: var(--muted); font-size: 16px; }
  .section-head-line {
    width: 48px; height: 3px; background: var(--primary); border-radius: 2px;
    margin: 16px auto 0;
  }
  /* CMS List */
  .cms-loop { display: flex; flex-direction: column; gap: 16px; }
  .cms-item {
    display: flex; align-items: center; gap: 24px;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 20px 24px; transition: all .25s;
  }
  .cms-item:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
  .cms-date {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    width: 64px; height: 72px; background: #E5F5EE; border-radius: 10px;
    flex-shrink: 0;
  }
  .cms-date .day { font-size: 22px; font-weight: 700; color: var(--secondary); line-height: 1.1; }
  .cms-date .month { font-size: 13px; color: var(--muted); }
  .cms-content { flex: 1; min-width: 0; }
  .cms-content h3 { font-size: 19px; font-weight: 600; margin-bottom: 4px; }
  .cms-content h3 a { color: var(--ink); }
  .cms-content h3 a:hover { color: var(--primary); }
  .cms-content p {
    font-size: 14px; color: var(--muted);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .cms-category {
    display: inline-block; background: rgba(217,239,106,0.3);
    color: var(--secondary); font-size: 13px; font-weight: 500;
    padding: 2px 8px; border-radius: 6px; flex-shrink: 0;
  }
  .empty-state {
    background: #fff; border: 1px dashed var(--line); border-radius: var(--radius);
    padding: 48px 24px; text-align: center; color: var(--muted);
  }
  /* Card */
  .card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 24px; box-shadow: var(--shadow-sm); transition: all .25s;
  }
  .card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
  /* Table */
  .table-wrap {
    background: #fff; border-radius: var(--radius); border: 1px solid var(--line);
    overflow-x: auto; box-shadow: var(--shadow-sm);
  }
  .table-wrap table { width: 100%; border-collapse: collapse; min-width: 640px; }
  .table-wrap th {
    background: var(--secondary); color: #fff; font-size: 15px; font-weight: 600;
    padding: 16px 20px; text-align: center;
  }
  .table-wrap th:first-child { text-align: left; }
  .table-wrap td {
    padding: 14px 20px; border-top: 1px solid #F0EEE8; text-align: center;
    font-size: 14px;
  }
  .table-wrap td:first-child { text-align: left; font-weight: 500; color: var(--ink); }
  .table-wrap tr.highlight td { background: rgba(14,159,103,0.06); }
  .table-wrap tr:hover td { background: rgba(14,159,103,0.03); }
  .table-wrap .check { color: var(--primary); font-size: 16px; font-weight: 700; }
  .table-wrap .minus { color: #C4C9C6; }
  .table-wrap .rec-badge {
    display: inline-block; background: var(--accent); color: var(--secondary);
    font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 999px;
    margin-bottom: 4px;
  }
  /* Badge */
  .badge {
    display: inline-block; font-size: 13px; font-weight: 500;
    padding: 4px 12px; border-radius: 999px;
  }
  .badge-accent { background: rgba(217,239,106,0.3); color: var(--secondary); }
  .badge-primary { background: rgba(14,159,103,0.1); color: var(--primary); }
  /* Feature grid */
  .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .feature-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; transition: all .25s;
  }
  .feature-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
  .feature-card-img { height: 180px; overflow: hidden; }
  .feature-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
  .feature-card:hover .feature-card-img img { transform: scale(1.05); }
  .feature-card-body { padding: 24px; }
  .feature-card-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; color: var(--ink); }
  .feature-card-body p { font-size: 14px; color: var(--muted); line-height: 1.65; }
  .feature-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
  /* Tier layout - offset grid */
  .tier-grid {
    display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 24px; align-items: stretch;
  }
  .tier-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 32px 28px; position: relative; transition: all .25s;
  }
  .tier-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
  .tier-card.featured { background: linear-gradient(160deg, #f8fdf9 0%, #fff 100%); border-color: rgba(14,159,103,0.3); }
  .tier-card.featured::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--primary); border-radius: 3px 3px 0 0;
  }
  .tier-tag {
    display: inline-block; font-size: 13px; font-weight: 600;
    padding: 4px 14px; border-radius: 999px; margin-bottom: 16px;
  }
  .tier-tag.silver { background: #F0F1F2; color: #6B7280; }
  .tier-tag.gold { background: rgba(217,239,106,0.35); color: var(--secondary); }
  .tier-tag.basic { background: rgba(14,159,103,0.08); color: var(--primary); }
  .tier-card h3 { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
  .tier-card .tier-desc { font-size: 14px; color: var(--muted); margin-bottom: 20px; line-height: 1.6; }
  .tier-points { list-style: none; padding: 0; }
  .tier-points li {
    position: relative; padding-left: 26px; margin-bottom: 10px;
    font-size: 14px; color: var(--ink);
  }
  .tier-points li::before {
    content: "✓"; position: absolute; left: 0; top: 0;
    color: var(--primary); font-weight: 700; font-size: 15px;
  }
  /* Lock content */
  .lock-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .lock-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; position: relative; transition: all .25s;
  }
  .lock-card:hover { box-shadow: var(--shadow-lg); }
  .lock-img { position: relative; height: 140px; overflow: hidden; }
  .lock-img img { width: 100%; height: 100%; object-fit: cover; filter: blur(12px) brightness(1.1); }
  .lock-overlay {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.3); backdrop-filter: blur(2px);
  }
  .lock-overlay i { color: var(--secondary); font-size: 28px; opacity: 0.7; }
  .lock-body { padding: 20px 24px; }
  .lock-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
  .lock-body p { font-size: 14px; color: var(--muted); line-height: 1.6; }
  .lock-tag {
    position: absolute; top: 12px; left: 12px; z-index: 2;
    background: var(--accent); color: var(--secondary); font-size: 12px;
    font-weight: 700; padding: 4px 12px; border-radius: 999px;
  }
  /* FAQ */
  .faq-list { max-width: 860px; margin: 0 auto; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
  .faq-item { border-bottom: 1px solid #F0EEE8; transition: background .2s; }
  .faq-item:last-child { border-bottom: none; }
  .faq-item.active { background: rgba(14,159,103,0.02); }
  .faq-q {
    display: flex; align-items: center; gap: 16px;
    padding: 20px 24px; cursor: pointer; user-select: none;
  }
  .faq-q:hover { background: rgba(14,159,103,0.03); }
  .faq-q .q-icon {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--primary); color: #fff; font-size: 14px;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  }
  .faq-q h3 { font-size: 17px; font-weight: 600; color: var(--ink); flex: 1; }
  .faq-q .fa-chevron-down { color: var(--muted); transition: transform .25s; }
  .faq-item.active .fa-chevron-down { transform: rotate(180deg); color: var(--primary); }
  .faq-a {
    display: none; padding: 0 24px 20px 68px; font-size: 15px; color: var(--muted); line-height: 1.7;
  }
  .faq-item.active .faq-a { display: block; }
  /* CTA */
  .cta-banner {
    position: relative; background: var(--secondary); color: #fff;
    padding: 80px 0; overflow: hidden;
  }
  .cta-banner::before {
    content: ""; position: absolute; top: -30px; right: -30px;
    width: 200px; height: 200px; border: 3px solid rgba(255,255,255,0.08);
    border-radius: 50%;
  }
  .cta-banner::after {
    content: ""; position: absolute; bottom: -60px; left: -20px;
    width: 140px; height: 140px; border: 3px solid rgba(255,255,255,0.06);
    border-radius: 50%;
  }
  .cta-inner { position: relative; z-index: 2; text-align: center; max-width: 640px; margin: 0 auto; }
  .cta-inner h2 { font-size: clamp(24px, 3vw, 30px); font-weight: 700; margin-bottom: 14px; }
  .cta-inner p { color: rgba(255,255,255,0.8); font-size: 16px; margin-bottom: 32px; }
  /* Footer */
  .site-footer { background: var(--secondary); color: rgba(255,255,255,0.75); padding: 64px 0 32px; }
  .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; }
  .footer-brand .logo { color: #fff; margin-bottom: 16px; }
  .footer-brand .logo:hover { color: var(--accent); }
  .footer-brand p { font-size: 14px; line-height: 1.7; max-width: 280px; }
  .footer-col h4 {
    font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 20px;
  }
  .footer-col ul { list-style: none; }
  .footer-col li { margin-bottom: 10px; }
  .footer-col a { color: rgba(255,255,255,0.7); font-size: 14px; }
  .footer-col a:hover { color: var(--accent); }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.12); margin-top: 48px;
    padding-top: 24px; text-align: center; font-size: 13px;
    color: rgba(255,255,255,0.5);
  }
  /* Responsive */
  @media (max-width: 1024px) {
    .section { padding: 80px 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .tier-grid { grid-template-columns: 1fr 1fr; }
    .tier-card.featured { grid-column: span 2; }
  }
  @media (max-width: 768px) {
    .container { padding: 0 16px; }
    .section { padding: 64px 0; }
    .main-nav { display: none; }
    .nav-cta { display: none; }
    .mobile-toggle { display: inline-flex; }
    .feature-grid { grid-template-columns: 1fr; }
    .lock-grid { grid-template-columns: 1fr; }
    .tier-grid { grid-template-columns: 1fr; }
    .tier-card.featured { grid-column: span 1; }
    .cms-item { flex-wrap: wrap; gap: 14px; }
    .cms-category { margin-left: auto; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .hero-content { padding: 56px 0; }
    .hero-meta { gap: 14px; flex-direction: column; }
  }
  @media (max-width: 520px) {
    .section-head { margin-bottom: 36px; }
    .header-inner { height: 64px; }
    .logo { font-size: 1.1rem; }
    .logo-badge { width: 32px; height: 32px; font-size: 0.95rem; }
    .cms-date { width: 56px; height: 64px; }
    .cms-date .day { font-size: 20px; }
    .cms-content h3 { font-size: 17px; }
    .btn-lg { padding: 12px 28px; font-size: 15px; }
    .hero h1 { font-size: 28px; }
  }
  /* Scrollbar */
  ::-webkit-scrollbar { width: 8px; height: 8px; }
  ::-webkit-scrollbar-track { background: #f1f1f1; }
  ::-webkit-scrollbar-thumb { background: #c1c9c4; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* roulang page: article */
:root {
  --primary: #0E9F67;
  --secondary: #085C43;
  --accent: #D9EF6A;
  --page-bg: #F7F5F0;
  --surface: #FFFFFF;
  --ink: #16251F;
  --muted: #61746B;
  --border-line: #E3E0D8;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 14px 30px rgba(0, 0, 0, 0.10);
  --transition: all 0.25s ease;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--page-bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
  word-break: break-word;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--secondary);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
ul,
ol {
  list-style: none;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-line);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.logo:hover {
  color: var(--primary);
}
.logo-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--secondary);
  color: #fff;
  font-size: 17px;
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav ul li a {
  display: inline-block;
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  padding: 8px 2px;
  transition: var(--transition);
}
.main-nav ul li a:hover {
  color: var(--primary);
}
.main-nav ul li a.active {
  color: var(--primary);
}
.main-nav ul li a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s;
  z-index: 110;
}
.nav-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ===== 面包屑横幅 ===== */
.breadcrumb-bar {
  position: relative;
  padding: 64px 0 48px;
  background:
    linear-gradient(180deg, rgba(8, 92, 67, 0.88) 0%, rgba(8, 92, 67, 0.76) 100%),
    url('/assets/images/backpic/back-1.webp') no-repeat center center / cover;
  color: #fff;
}
.breadcrumb-bar .breadcrumb-wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 15px;
}
.breadcrumb-bar a {
  color: rgba(255, 255, 255, 0.78);
}
.breadcrumb-bar a:hover {
  color: var(--accent);
}
.breadcrumb-bar .divider {
  color: var(--accent);
  margin: 0 2px;
  font-weight: 600;
}
.breadcrumb-bar .current {
  color: var(--accent);
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== 文章主区 ===== */
.article-section {
  padding: 48px 0 72px;
}
.article-layout {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}
.article-main {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  padding: 56px 64px;
  box-shadow: var(--shadow-sm);
}
.article-header {
  margin-bottom: 40px;
  text-align: center;
}
.article-header h1 {
  font-size: clamp(30px, 4.5vw, 44px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
  letter-spacing: 0.01em;
  margin-bottom: 18px;
}
.article-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
}
.article-meta .icon {
  margin-right: 6px;
  color: var(--primary);
}
.article-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}
.article-content h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  margin: 40px 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid #eef3ee;
}
.article-content h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  margin: 32px 0 14px;
}
.article-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 24px 0 10px;
}
.article-content p {
  margin-bottom: 20px;
}
.article-content ul,
.article-content ol {
  margin: 0 0 24px 24px;
  list-style: outside disc;
}
.article-content ol {
  list-style: outside decimal;
}
.article-content li {
  margin-bottom: 8px;
}
.article-content blockquote {
  background: #F2F8F5;
  border-left: 4px solid var(--primary);
  border-radius: 0 10px 10px 0;
  padding: 18px 24px;
  margin: 24px 0;
  color: var(--muted);
}
.article-content img {
  border-radius: 12px;
  margin: 24px 0;
  border: 1px solid var(--border-line);
  width: 100%;
  object-fit: cover;
}
.article-content figure {
  margin: 24px 0;
}
.article-content figcaption {
  text-align: center;
  font-size: 14px;
  color: var(--muted);
  margin-top: 8px;
}
.article-content a {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  border-radius: 12px;
  overflow: hidden;
}
.article-content th,
.article-content td {
  border: 1px solid var(--border-line);
  padding: 12px 16px;
  text-align: left;
}
.article-content th {
  background: var(--secondary);
  color: #fff;
  font-weight: 600;
}
.article-content tr:nth-child(even) {
  background: #FAFBF9;
}
.article-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.9em;
  background: #F2F4F3;
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--secondary);
}
.back-link {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-line);
}
.back-link a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--primary);
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-line);
  transition: var(--transition);
}
.back-link a:hover {
  border-color: var(--primary);
  background: #F2F8F5;
}

/* ===== 未找到 ===== */
.not-found {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  padding: 80px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.not-found h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}
.not-found p {
  color: var(--muted);
  margin-bottom: 28px;
}

/* ===== 通用按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  line-height: 1.4;
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--secondary);
  color: #fff;
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: scale(0.98);
}
.btn-accent {
  background: var(--accent);
  color: var(--secondary);
  font-weight: 700;
}
.btn-accent:hover {
  background: #c8e457;
  color: var(--secondary);
  transform: translateY(-1px);
}
.btn-accent:active {
  transform: scale(0.98);
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 72px 0;
  border-top: 1px solid var(--border-line);
  background: #FBFCFA;
}
.related-section h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 10px;
  text-align: center;
}
.related-section .subtitle {
  text-align: center;
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 42px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.related-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.related-card .card-img {
  border-radius: 12px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  margin-bottom: 16px;
  background: #dfe9e2;
}
.related-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.related-card:hover .card-img img {
  transform: scale(1.03);
}
.related-card .card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.related-card .tag {
  align-self: flex-start;
  background: #EDF7D8;
  color: #5f6f1c;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  padding: 3px 10px;
  margin-bottom: 10px;
}
.related-card h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--ink);
}
.related-card h3 a {
  color: var(--ink);
}
.related-card h3 a:hover {
  color: var(--primary);
}
.related-card .date {
  font-size: 13px;
  color: var(--muted);
  margin-top: auto;
}

/* ===== CTA 横幅 ===== */
.cta-banner {
  background: var(--secondary);
  padding: 72px 24px;
  position: relative;
  overflow: hidden;
  color: #fff;
  text-align: center;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(217, 239, 106, 0.08) 0%, transparent 45%);
  pointer-events: none;
}
.cta-banner .container {
  position: relative;
}
.cta-banner h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 14px;
}
.cta-banner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--secondary);
  color: rgba(255, 255, 255, 0.85);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.site-footer .logo {
  color: #fff;
  font-size: 20px;
  margin-bottom: 14px;
}
.site-footer .logo-badge {
  background: rgba(255, 255, 255, 0.12);
  color: var(--accent);
}
.site-footer .footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  max-width: 280px;
}
.site-footer h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: var(--transition);
}
.footer-col ul li a:hover {
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 18px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-main {
    padding: 40px 36px;
  }
}
@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: var(--surface);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.08);
    padding: 84px 28px 40px;
    transition: var(--transition);
    z-index: 120;
  }
  .main-nav.open {
    right: 0;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .main-nav ul li a {
    display: block;
    width: 100%;
    font-size: 18px;
    line-height: 48px;
  }
  .main-nav ul li a.active::after {
    left: 0;
    right: auto;
    width: 28px;
  }
  .nav-toggle {
    display: flex;
  }
  .article-main {
    padding: 32px 22px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .breadcrumb-bar {
    padding: 44px 0 32px;
  }
  .cta-banner {
    padding: 60px 20px;
  }
  .cta-banner h2 {
    font-size: 26px;
  }
}
@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .header-inner {
    height: 64px;
  }
  .logo {
    font-size: 17px;
    gap: 8px;
  }
  .logo-badge {
    width: 32px;
    height: 32px;
    font-size: 14px;
    border-radius: 10px;
  }
  .article-layout {
    padding: 0 16px;
  }
  .article-main {
    padding: 24px 16px;
    border-radius: 12px;
  }
  .article-header h1 {
    font-size: 26px;
  }
  .article-content h2 {
    font-size: 22px;
  }
  .article-content h3 {
    font-size: 19px;
  }
  .related-section {
    padding: 56px 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .cta-banner {
    padding: 52px 16px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0E9F67;
  --secondary: #085C43;
  --accent: #D9EF6A;
  --page-bg: #F7F5F0;
  --surface: #FFFFFF;
  --ink: #16251F;
  --muted: #61746B;
  --border-line: #E3E0D8;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 4px rgba(22,37,31,0.06);
  --shadow-lg: 0 14px 34px rgba(22,37,31,0.12);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--page-bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
  -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(--secondary); }
a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
ul { list-style: none; }
button { font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* 顶部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: var(--ink); }
.logo:hover { color: var(--ink); }
.logo-badge {
  width: 38px; height: 38px; border-radius: 12px;
  background: var(--secondary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
}
.main-nav ul { display: flex; align-items: center; gap: 32px; }
.main-nav ul li a {
  font-size: 16px; font-weight: 600; color: var(--ink);
  position: relative; padding: 8px 0;
}
.main-nav ul li a:hover { color: var(--primary); }
.main-nav ul li a.active { color: var(--primary); }
.main-nav ul li a.active::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 2px; background: var(--primary); border-radius: 2px;
}
.nav-toggle {
  display: none; background: none; border: none;
  font-size: 22px; color: var(--ink); cursor: pointer; padding: 6px;
}
.nav-toggle:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 6px; }
@media (max-width: 992px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; top: 72px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border-line);
    transform: translateY(-120%); visibility: hidden;
    transition: transform .25s ease, visibility .25s ease;
  }
  .main-nav.open { transform: translateY(0); visibility: visible; box-shadow: 0 20px 30px rgba(22,37,31,0.08); }
  .main-nav ul { flex-direction: column; gap: 0; padding: 12px 24px 24px; }
  .main-nav ul li { width: 100%; }
  .main-nav ul li a { display: block; padding: 14px 0; border-bottom: 1px solid var(--border-line); font-size: 18px; }
  .main-nav ul li a.active::after { display: none; }
  .main-nav ul li a.active { color: var(--primary); }
}

/* 页内 Banner */
.page-banner {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 96px 0 84px;
}
.page-banner::before {
  content: "";
  position: absolute;
  top: -60px; right: -40px;
  width: 380px; height: 380px;
  background: rgba(217,239,106,0.08);
  transform: rotate(25deg);
  border-radius: 30px;
  z-index: 1;
}
.banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8,92,67,0.92) 0%, rgba(8,92,67,0.8) 50%, rgba(8,92,67,0.58) 100%);
}
.banner-content { position: relative; z-index: 2; max-width: 780px; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; color: rgba(255,255,255,0.8);
  margin-bottom: 18px;
}
.breadcrumb a { color: #fff; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { opacity: 0.6; }
.page-banner h1 {
  color: #fff;
  font-size: clamp(30px, 4.5vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 14px;
}
.page-banner .lead {
  color: rgba(255,255,255,0.92);
  font-size: 17px;
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 28px;
}
.btn-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }

/* 按钮体系 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; border-radius: 999px; padding: 10px 28px;
  font-size: 15px; font-weight: 600; cursor: pointer;
  border: none; transition: all .2s ease;
}
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--secondary); color: #fff; transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.98); }
.btn-ghost-light { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.8); }
.btn-ghost-light:hover { background: rgba(255,255,255,0.12); color: #fff; transform: translateY(-1px); }
.btn-ghost-light:active { transform: scale(0.98); }
.btn-accent { background: var(--accent); color: var(--secondary); }
.btn-accent:hover { background: #cbe260; color: var(--secondary); transform: translateY(-1px); }
.btn-accent:active { transform: scale(0.98); }

/* 数据条 */
.stats-strip { position: relative; z-index: 5; margin-top: -34px; padding-bottom: 8px; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  padding: 26px 30px;
  box-shadow: var(--shadow-sm);
}
.stat-item { text-align: center; border-right: 1px solid var(--border-line); padding: 8px 0; }
.stat-item:last-child { border-right: none; }
.stat-item strong { display: block; font-size: 30px; font-weight: 800; color: var(--secondary); line-height: 1.2; }
.stat-item span { font-size: 14px; color: var(--muted); }
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 18px 20px; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border-line); padding-bottom: 14px; }
  .stat-item:nth-child(even) { border-bottom: 1px solid var(--border-line); }
  .stat-item:nth-child(3), .stat-item:nth-child(4) { border-bottom: none; padding-bottom: 4px; }
}

/* 分类页主体布局 */
.category-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  padding: 56px 0 80px;
}
@media (max-width: 1024px) {
  .category-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}
.category-main { min-width: 0; }
.category-side { position: sticky; top: 104px; align-self: start; display: flex; flex-direction: column; gap: 24px; }
@media (max-width: 1024px) { .category-side { position: static; } }

/* 面板 */
.panel {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  padding: 34px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
}
.panel-head { margin-bottom: 20px; }
.panel h2 {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 8px;
}
.panel-head .subtitle { display: inline-block; font-size: 14px; font-weight: 600; color: var(--primary); letter-spacing: 0.5px; position: relative; padding-bottom: 6px; }
.panel-head .subtitle::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 2px; background: var(--primary); border-radius: 2px; }
.panel .lead-text { color: var(--muted); margin-bottom: 18px; }
@media (max-width: 640px) { .panel { padding: 24px 20px; } }

/* 内容配图 */
.content-image { border-radius: var(--radius); overflow: hidden; margin: 22px 0; border: 1px solid var(--border-line); }
.content-image img { width: 100%; height: auto; object-fit: cover; }

/* 等级卡片（差异化布局） */
.level-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 22px; }
@media (max-width: 640px) { .level-grid { grid-template-columns: 1fr; } }
.level-card {
  position: relative;
  border: 1px solid var(--border-line);
  border-radius: 14px;
  padding: 24px 22px;
  background: #fff;
  transition: all .2s ease;
  overflow: hidden;
}
.level-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.level-card.featured { grid-column: 1 / -1; }
.level-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.level-card p { font-size: 14px; color: var(--muted); line-height: 1.7; }
.tag-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 6px;
  background: #E5F5EE;
  color: var(--secondary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
}
.level-card.dark-card { background: var(--secondary); border-color: var(--secondary); color: #fff; }
.level-card.dark-card h3 { color: #fff; }
.level-card.dark-card p { color: rgba(255,255,255,0.85); }
.level-card.dark-card .tag-badge { background: var(--accent); color: var(--secondary); }

/* 权益对比表 */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border-line);
  background: #fff;
}
.table-wrap table { width: 100%; border-collapse: collapse; min-width: 640px; }
.table-wrap th {
  background: var(--secondary);
  color: #fff;
  font-weight: 600;
  padding: 14px 18px;
  text-align: center;
  font-size: 15px;
}
.table-wrap th:first-child { text-align: left; }
.table-wrap th.rec-col { background: #0B6B4C; }
.table-wrap td {
  padding: 13px 18px;
  text-align: center;
  border-bottom: 1px solid var(--border-line);
  font-size: 14px;
}
.table-wrap tr:last-child td { border-bottom: none; }
.table-wrap td.rec-col { background: #E5F5EE; font-weight: 600; border-left: 1px solid #CDE8D9; border-right: 1px solid #CDE8D9; }
.text-primary { color: var(--primary); }
.muted-cell { color: #B9C3BD; font-weight: 400; }
.rec-badge {
  display: block;
  width: fit-content;
  margin: 0 auto 6px;
  background: var(--accent);
  color: var(--secondary);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 14px;
  border-radius: 999px;
}

/* 开通流程 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 22px; }
@media (max-width: 992px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }
.step-item {
  position: relative;
  padding: 26px 22px 22px;
  background: #fff;
  border: 1px solid var(--border-line);
  border-radius: 14px;
  transition: all .2s ease;
}
.step-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--primary); }
.step-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px;
  margin-bottom: 14px;
}
.step-item h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--muted); }

/* 适用场景 */
.scenario-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 22px; }
@media (max-width: 640px) { .scenario-grid { grid-template-columns: 1fr; } }
.scenario-card {
  display: flex; gap: 16px;
  padding: 22px 20px;
  border: 1px solid var(--border-line);
  border-radius: 14px;
  background: #fff;
  transition: all .2s ease;
}
.scenario-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.scenario-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: #E5F5EE;
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.scenario-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.scenario-card p { font-size: 14px; color: var(--muted); }

/* 侧栏 */
.side-box {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.side-box h3 {
  font-size: 17px; font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-line);
  color: var(--ink);
}
.side-anchor li { margin-bottom: 4px; }
.side-anchor a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 15px;
  color: var(--ink);
  transition: all .2s ease;
}
.side-anchor a:hover { background: #E5F5EE; color: var(--secondary); transform: translateX(2px); }
.side-anchor a::before { content: "·"; color: var(--primary); font-weight: 700; font-size: 22px; line-height: 1; }
.side-link { margin-top: 4px; }
.side-link li { margin-bottom: 10px; }
.side-link a {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 16px;
  border: 1px solid var(--border-line);
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  background: #fff;
  color: var(--ink);
  transition: all .2s ease;
}
.side-link a i { color: var(--primary); width: 18px; text-align: center; }
.side-link a:hover { border-color: var(--primary); color: var(--secondary); box-shadow: var(--shadow-sm); }
.side-img { border-radius: var(--radius); overflow: hidden; padding: 0; border: 1px solid var(--border-line); }
.side-img img { width: 100%; height: auto; object-fit: cover; }

/* FAQ */
.faq-section { padding: 56px 0 80px; }
.faq-head { text-align: center; margin-bottom: 40px; }
.faq-head h2 { font-size: clamp(24px, 3.5vw, 32px); font-weight: 700; color: var(--ink); }
.faq-head p { color: var(--muted); margin-top: 8px; font-size: 15px; }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .2s ease, border-color .2s ease;
}
.faq-item.open { box-shadow: var(--shadow-sm); border-color: #CDE8D9; }
.faq-q {
  display: flex; align-items: center; gap: 14px;
  width: 100%;
  padding: 18px 22px;
  background: none; border: none;
  font-size: 16px; font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  transition: background .2s ease;
}
.faq-q:hover { background: #FAFAF7; }
.faq-q:focus-visible { outline: 2px solid var(--primary); outline-offset: -2px; border-radius: 14px; }
.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: #E5F5EE;
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  transition: transform .3s ease, background .3s ease, color .3s ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; padding: 0 22px; }
.faq-item.open .faq-a { max-height: 420px; padding: 0 22px 20px; border-top: 1px solid var(--border-line); }
.faq-a p { font-size: 15px; color: var(--muted); padding-top: 14px; }

/* CTA 横幅 */
.cta-banner {
  margin: 0 0 80px;
  background: var(--secondary);
  border-radius: var(--radius);
  text-align: center;
  padding: 56px 32px;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -50px; right: -50px;
  width: 220px; height: 220px;
  background: rgba(217,239,106,0.12);
  transform: rotate(30deg);
  border-radius: 24px;
}
.cta-banner::after {
  content: "";
  position: absolute;
  bottom: -70px; left: 10px;
  width: 180px; height: 180px;
  background: rgba(14,159,103,0.25);
  border-radius: 50%;
}
.cta-banner h2 { color: #fff; font-size: clamp(24px, 3.5vw, 32px); font-weight: 700; margin-bottom: 12px; position: relative; z-index: 2; }
.cta-banner p { color: rgba(255,255,255,0.85); margin-bottom: 26px; font-size: 16px; position: relative; z-index: 2; }
.cta-banner .btn-row { justify-content: center; position: relative; z-index: 2; }

/* 页脚 */
.site-footer { background: var(--secondary); color: rgba(255,255,255,0.88); padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
@media (max-width: 992px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand .logo { color: #fff; font-size: 20px; font-weight: 700; display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .logo:hover { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.7); }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.75); font-size: 14px; transition: color .2s ease; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); padding-top: 22px; text-align: center; font-size: 14px; color: rgba(255,255,255,0.6); }

/* 锚点偏移 */
#overview, #compare, #process, #scenarios, #faq { scroll-margin-top: 96px; }

/* roulang page: category2 */
:root {
  --primary: #0E9F67;
  --secondary: #085C43;
  --accent: #D9EF6A;
  --page-bg: #F7F5F0;
  --surface: #FFFFFF;
  --ink: #16251F;
  --muted: #61746B;
  --border-line: #E3E0D8;
  --success: #0E9F67;
  --warning: #D97706;
  --error: #DC2626;
  --radius-card: 16px;
  --radius-btn: 999px;
  --shadow-sm: 0 1px 3px rgba(22,37,31,0.06);
  --shadow-lg: 0 12px 32px rgba(22,37,31,0.10);
  --transition: all 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--page-bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
  word-break: break-word;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--secondary); }
a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
button:focus-visible, input:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

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

@media (max-width: 768px) {
  .container { padding-left: 16px; padding-right: 16px; }
}

/* ===== Header & Nav ===== */
.site-header {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-line);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--ink) !important;
}

.logo:hover { color: var(--primary) !important; }

.logo-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--secondary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 6px;
}

.main-nav a {
  display: block;
  padding: 8px 16px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  border-radius: 999px;
  transition: var(--transition);
}

.main-nav a:hover { color: var(--primary); background: rgba(14,159,103,0.08); }
.main-nav a.active {
  color: var(--primary);
  background: rgba(14,159,103,0.10);
  font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--primary);
}

.nav-cta {
  margin-left: 8px;
}

.nav-cta a {
  background: var(--primary);
  color: #fff;
  padding: 8px 22px;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(14,159,103,0.25);
}

.nav-cta a:hover { background: var(--secondary); color: #fff; transform: translateY(-1px); }

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-line);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  font-size: 20px;
  color: var(--ink);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

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

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border-line);
    padding: 16px;
    box-shadow: 0 12px 24px rgba(22,37,31,0.08);
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { padding: 12px 16px; border-radius: 12px; }
  .menu-toggle { display: flex; }
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  padding: 18px 0 6px;
  font-size: 14px;
  color: var(--muted);
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { margin: 0 10px; color: var(--primary); font-weight: 700; }
.breadcrumb .current { color: var(--ink); font-weight: 600; }

/* ===== Category Banner ===== */
.category-banner {
  position: relative;
  background: linear-gradient(135deg, var(--secondary) 0%, #0a3d2c 100%);
  padding: 72px 0 84px;
  overflow: hidden;
}

.category-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.28;
  z-index: 1;
}

.category-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,92,67,0.75) 0%, rgba(8,92,67,0.45) 60%, rgba(8,92,67,0.75) 100%);
  z-index: 2;
}

.banner-content {
  position: relative;
  z-index: 3;
  max-width: 780px;
}

.banner-content .tagline {
  display: inline-block;
  background: var(--accent);
  color: var(--secondary);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.banner-content h1 {
  font-size: clamp(32px, 4.5vw, 46px);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 14px;
}

.banner-content .subtitle {
  font-size: 16px;
  color: rgba(255,255,255,0.88);
  line-height: 1.8;
  max-width: 640px;
  margin-bottom: 24px;
}

.banner-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.banner-meta .b-stat {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  color: rgba(255,255,255,0.92);
  backdrop-filter: blur(4px);
}

@media (max-width: 768px) {
  .category-banner { padding: 52px 0 64px; }
}

/* ===== Layout: Main + Sidebar ===== */
.page-layout {
  padding: 48px 0 80px;
}

.layout-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
}

@media (max-width: 1024px) {
  .layout-grid { grid-template-columns: 1fr; gap: 32px; }
  .main-content { order: 1; }
  .sidebar { order: 2; }
}

/* ===== Main Content ===== */
.main-content {
  min-width: 0;
}

.section-card {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-card);
  padding: 36px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.section-card:hover { box-shadow: var(--shadow-lg); border-color: rgba(14,159,103,0.3); }

.section-head h2 {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
  margin-bottom: 6px;
  position: relative;
  padding-bottom: 14px;
}

.section-head h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  background: var(--primary);
  border-radius: 999px;
}

.section-head .sec-sub {
  font-size: 15px;
  color: var(--muted);
  margin-top: 10px;
}

.section-head .sec-sub i { color: var(--primary); margin-right: 4px; }

/* Intro */
.intro-layout {
  display: flex;
  gap: 32px;
  align-items: center;
  flex-wrap: wrap;
}

.intro-text { flex: 1 1 48%; min-width: 280px; }
.intro-img { flex: 1 1 42%; min-width: 260px; }

.intro-text p { margin-bottom: 14px; color: #3d4f46; }
.intro-text p:last-child { margin-bottom: 0; }

.intro-img img {
  width: 100%;
  border-radius: 16px;
  object-fit: cover;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-line);
}

/* Sub categories */
.subcat-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 20px;
}

.subcat-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--page-bg);
  border: 1px solid var(--border-line);
  border-radius: 14px;
  transition: var(--transition);
}

.subcat-item:hover {
  border-color: var(--primary);
  background: #fff;
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.subcat-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(14,159,103,0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.subcat-info { flex: 1; }
.subcat-info h3 { font-size: 17px; font-weight: 700; margin-bottom: 2px; }
.subcat-info p { font-size: 14px; color: var(--muted); margin: 0; }
.subcat-arrow { color: var(--muted); font-size: 14px; }

/* Featured matches */
.match-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 24px;
}

@media (max-width: 640px) {
  .match-cards { grid-template-columns: 1fr; }
}

.match-card {
  background: #fff;
  border: 1px solid var(--border-line);
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.match-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(14,159,103,0.4);
}

.match-card .match-img { position: relative; }
.match-card .match-img img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.match-card .match-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--secondary);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 999px;
}

.match-card .match-body { padding: 18px 20px; }
.match-card .match-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
.match-card .match-body h3 a { color: var(--ink); }
.match-card .match-body h3 a:hover { color: var(--primary); }
.match-card .match-body .match-date { font-size: 13px; color: var(--muted); display: flex; gap: 8px; margin-top: 4px; }
.match-card .match-body .match-date i { color: var(--primary); }

/* Update flow */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

@media (max-width: 768px) {
  .flow-steps { grid-template-columns: 1fr; }
}

.flow-step {
  text-align: center;
  padding: 24px 20px;
  background: var(--page-bg);
  border-radius: 14px;
  border: 1px solid var(--border-line);
  transition: var(--transition);
}

.flow-step:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-sm); }

.flow-step .step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--secondary);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.flow-step h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.flow-step p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.7; }

/* ===== Sidebar ===== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.side-card {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.side-card:hover { box-shadow: var(--shadow-lg); border-color: rgba(14,159,103,0.25); }

.side-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--page-bg);
  position: relative;
}

.side-card h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 28px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.side-card h3 i { color: var(--primary); margin-right: 8px; }

.anchor-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.anchor-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--page-bg);
  border-radius: 10px;
  font-size: 14px;
  color: var(--ink);
  border: 1px solid transparent;
  transition: var(--transition);
}

.anchor-list a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(14,159,103,0.06);
  transform: translateX(3px);
}

.anchor-list a i { color: var(--primary); font-size: 13px; width: 16px; text-align: center; }

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

.related-link-item {
  display: flex;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border-line);
  border-radius: 12px;
  transition: var(--transition);
  align-items: center;
  background: #fff;
}

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

.related-link-item img {
  width: 68px;
  height: 56px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.related-link-item .rl-info { flex: 1; min-width: 0; }
.related-link-item .rl-info .rl-title { font-size: 14px; font-weight: 600; color: var(--ink); display: block; line-height: 1.4; }
.related-link-item .rl-info .rl-title:hover { color: var(--primary); }
.related-link-item .rl-info .rl-tag { font-size: 12px; color: var(--muted); margin-top: 2px; display: block; }

.side-img {
  border-radius: 14px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border-line);
}

.side-img img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.side-img .side-img-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(8,92,67,0.85) 100%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}

.side-img .side-img-mask span { color: #fff; font-size: 15px; font-weight: 600; line-height: 1.5; }

/* ===== FAQ ===== */
.faq-section {
  padding: 72px 0;
  background: var(--surface);
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}

.faq-section .section-head { text-align: center; margin-bottom: 40px; }
.faq-section .section-head h2 { display: inline-block; }
.faq-section .section-head h2::after { left: 50%; transform: translateX(-50%); }

.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid var(--border-line);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: #fff;
}

.faq-item {
  border-bottom: 1px solid var(--border-line);
}

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

.faq-q {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  cursor: pointer;
  background: #fff;
  transition: var(--transition);
  border: none;
  width: 100%;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  font-family: inherit;
}

.faq-q:hover { background: rgba(14,159,103,0.04); }
.faq-q:hover .faq-question-text { color: var(--primary); }

.faq-q-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(14,159,103,0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-q .faq-question-text { flex: 1; transition: var(--transition); }

.faq-q .faq-chevron {
  color: var(--muted);
  transition: transform 0.3s ease;
  font-size: 14px;
  flex-shrink: 0;
}

.faq-item.open .faq-q .faq-chevron { transform: rotate(180deg); }
.faq-item.open .faq-q .faq-q-icon { background: var(--primary); color: #fff; }
.faq-item.open .faq-q { background: rgba(14,159,103,0.04); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
  padding-left: 24px;
  padding-right: 24px;
  padding-top: 0;
  padding-bottom: 0;
}

.faq-item.open .faq-a {
  max-height: 500px;
  padding-top: 4px;
  padding-bottom: 20px;
}

.faq-a-inner {
  padding: 0 0 0 42px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

@media (max-width: 640px) {
  .faq-q { padding: 16px 18px; }
  .faq-a { padding-left: 18px; padding-right: 18px; }
  .faq-a-inner { padding-left: 0; }
}

/* ===== CTA ===== */
.cta-section {
  padding: 72px 0;
  position: relative;
  overflow: hidden;
  background: var(--secondary);
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(217,239,106,0.08);
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 32px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 24px;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(4px);
}

.cta-inner h2 {
  font-size: clamp(24px, 3.5vw, 34px);
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
  line-height: 1.35;
}

.cta-inner p {
  color: rgba(255,255,255,0.85);
  font-size: 16px;
  margin-bottom: 28px;
  line-height: 1.7;
}

.btn-cta {
  display: inline-block;
  background: var(--accent);
  color: var(--secondary) !important;
  font-weight: 700;
  font-size: 16px;
  padding: 12px 36px;
  border-radius: 999px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(217,239,106,0.3);
}

.btn-cta:hover {
  background: #c8e35a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(217,239,106,0.4);
}

.btn-cta:active { transform: scale(0.98); }

/* ===== Footer ===== */
.site-footer {
  background: var(--secondary);
  color: rgba(255,255,255,0.85);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}

.footer-brand .logo {
  font-size: 19px;
  color: #fff !important;
}

.footer-brand .logo:hover { color: var(--accent) !important; }

.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-top: 14px;
  line-height: 1.8;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}

.footer-bottom a { color: rgba(255,255,255,0.8); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Chat/BackToTop ===== */
.back-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(14,159,103,0.3);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  z-index: 99;
}

.back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--secondary); transform: translateY(-3px); }

/* roulang page: category3 */
:root {
    --primary: #0E9F67;
    --secondary: #085C43;
    --accent: #D9EF6A;
    --page: #F7F5F0;
    --surface: #FFFFFF;
    --ink: #16251F;
    --muted: #61746B;
    --border: #E3E0D8;
    --radius: 16px;
    --shadow-sm: 0 1px 3px rgba(22, 37, 31, 0.06);
    --shadow-lg: 0 18px 36px rgba(22, 37, 31, 0.12);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background-color: var(--page);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.7;
    word-break: break-word;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
  }

  a:hover {
    color: var(--secondary);
  }

  ul,
  ol {
    list-style: none;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    font-weight: 700;
    line-height: 1.3;
  }

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

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

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    padding: 12px 26px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    border: 1px solid transparent;
    transition: all 0.2s ease;
  }

  .btn:hover {
    transform: translateY(-1px);
  }

  .btn:active {
    transform: scale(0.98);
  }

  .btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
  }

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

  .btn-primary:hover {
    background: var(--secondary);
    color: #fff;
  }

  .btn-accent {
    background: var(--accent);
    color: var(--secondary);
    border-color: var(--accent);
  }

  .btn-accent:hover {
    filter: brightness(0.92);
    color: var(--secondary);
  }

  .btn-outline-light {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.7);
    color: #fff;
  }

  .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff;
  }

  .btn-sm {
    padding: 8px 18px;
    font-size: 14px;
  }

  .btn-lg {
    padding: 15px 38px;
    font-size: 16px;
  }

  .btn-block {
    display: flex;
    width: 100%;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
    transition: box-shadow 0.2s ease;
  }

  .site-header.scrolled {
    box-shadow: 0 6px 24px rgba(22, 37, 31, 0.06);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    position: relative;
  }

  .logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 0.2px;
  }

  .logo:hover {
    color: var(--secondary);
  }

  .logo-badge {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(14, 159, 103, 0.25);
  }

  .main-nav ul {
    display: flex;
    gap: 32px;
    align-items: center;
  }

  .main-nav a {
    color: var(--ink);
    font-weight: 500;
    font-size: 15px;
    padding: 6px 2px;
    position: relative;
    transition: color 0.2s ease;
  }

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

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

  .main-nav a.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
  }

  .mobile-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--ink);
    background: var(--page);
    border: 1px solid var(--border);
    transition: all 0.2s ease;
  }

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

  .mobile-drawer {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    box-shadow: var(--shadow-sm);
  }

  .mobile-drawer nav ul li {
    border-bottom: 1px solid #F0EEE8;
  }

  .mobile-drawer nav ul li:last-child {
    border-bottom: none;
  }

  .mobile-drawer nav a {
    display: block;
    padding: 14px 4px;
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
  }

  .mobile-drawer nav a:hover,
  .mobile-drawer nav a.active {
    color: var(--primary);
  }

  .mobile-drawer.open {
    display: block;
    animation: drawerIn 0.25s ease;
  }

  @keyframes drawerIn {
    from {
      opacity: 0;
      transform: translateY(-8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .page-hero {
    position: relative;
    background: var(--secondary) url('/assets/images/backpic/back-2.png') center / cover no-repeat;
    color: #fff;
    padding: 68px 0 72px;
  }

  .page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(8, 92, 67, 0.84);
  }

  .page-hero::after {
    content: "";
    position: absolute;
    right: 0;
    top: 0;
    width: 36%;
    height: 100%;
    background: linear-gradient(135deg, rgba(217, 239, 106, 0.16), transparent 72%);
    z-index: 1;
  }

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

  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 18px;
  }

  .breadcrumb a {
    color: rgba(255, 255, 255, 0.82);
  }

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

  .breadcrumb span.sep {
    color: var(--accent);
    font-weight: 700;
  }

  .page-hero h1 {
    color: #fff;
    font-size: clamp(30px, 4.5vw, 44px);
    line-height: 1.2;
    margin-bottom: 14px;
  }

  .page-hero p {
    max-width: 660px;
    font-size: 17px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
  }

  .category-main {
    padding: 64px 0 80px;
  }

  .category-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
    align-items: start;
  }

  .category-content > * + * {
    margin-top: 40px;
  }

  .block-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(14, 159, 103, 0.08);
    border: 1px solid rgba(14, 159, 103, 0.2);
    border-radius: 999px;
    padding: 4px 14px;
    margin-bottom: 12px;
  }

  .block-title {
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 14px;
  }

  .block-head {
    margin-bottom: 20px;
  }

  .overview-block {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    box-shadow: var(--shadow-sm);
    scroll-margin-top: 100px;
  }

  .overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: center;
  }

  .overview-grid p {
    color: #3C4B44;
    font-size: 15px;
  }

  .overview-points {
    margin-top: 18px;
  }

  .overview-points li {
    padding-left: 26px;
    position: relative;
    margin-bottom: 10px;
    color: var(--muted);
    font-size: 14px;
  }

  .overview-points li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary);
    font-weight: 700;
  }

  .overview-img {
    border-radius: 12px;
    overflow: hidden;
  }

  .overview-img img {
    width: 100%;
    height: 240px;
    object-fit: cover;
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
  }

  .stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px 16px;
    text-align: center;
    transition: all 0.2s ease;
  }

  .stat-card:hover {
    border-color: rgba(14, 159, 103, 0.4);
    box-shadow: var(--shadow-sm);
  }

  .stat-num {
    font-size: 30px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
    line-height: 1.2;
  }

  .stat-label {
    font-size: 13px;
    color: var(--muted);
    margin-top: 4px;
  }

  .service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    scroll-margin-top: 100px;
  }

  .service-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 3px solid rgba(14, 159, 103, 0.4);
    border-radius: 16px;
    padding: 26px 24px;
    transition: all 0.2s ease;
  }

  .service-card:hover {
    border-color: var(--primary);
    border-top-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
  }

  .service-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(14, 159, 103, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
  }

  .service-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
  }

  .service-card p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
  }

  .process-block {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    scroll-margin-top: 100px;
  }

  .process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 20px;
  }

  .step-item {
    background: #F9FAF7;
    border: 1px dashed var(--border);
    border-radius: 12px;
    padding: 20px 16px;
    transition: all 0.2s ease;
  }

  .step-item:hover {
    border-style: solid;
    border-color: var(--primary);
  }

  .step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
  }

  .step-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
  }

  .step-item p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
  }

  .category-sidebar {
    min-width: 0;
  }

  .sidebar-inner {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .side-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
  }

  .side-title {
    font-size: 16px;
    font-weight: 700;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border);
  }

  .side-nav ul li + li {
    border-top: 1px solid #F0EEE8;
  }

  .side-nav a {
    display: block;
    padding: 12px 4px;
    color: var(--ink);
    font-weight: 500;
    font-size: 15px;
    transition: all 0.2s ease;
  }

  .side-nav a::before {
    content: "›";
    color: var(--primary);
    margin-right: 8px;
    font-weight: 700;
  }

  .side-nav a:hover {
    color: var(--primary);
    padding-left: 10px;
  }

  .related-link {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 1px dashed var(--border);
    color: var(--ink);
    transition: all 0.2s ease;
  }

  .related-link:last-child {
    border-bottom: none;
  }

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

  .related-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(14, 159, 103, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    flex-shrink: 0;
  }

  .related-link strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
  }

  .related-link small {
    font-size: 12px;
    color: var(--muted);
  }

  .side-promo img {
    border-radius: 10px;
    margin-bottom: 14px;
  }

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

  .side-promo p {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 14px;
  }

  .faq-section {
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 72px 0;
    scroll-margin-top: 80px;
  }

  .faq-head {
    max-width: 720px;
    margin: 0 auto 32px;
    text-align: center;
  }

  .faq-list {
    max-width: 860px;
    margin: 0 auto;
  }

  .faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden;
    transition: box-shadow 0.2s ease;
  }

  .faq-item.open {
    border-color: rgba(14, 159, 103, 0.35);
    box-shadow: var(--shadow-sm);
  }

  .faq-q {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    width: 100%;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    transition: background 0.2s ease;
  }

  .faq-item.open .faq-q {
    background: rgba(14, 159, 103, 0.03);
  }

  .faq-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(14, 159, 103, 0.1);
    color: var(--primary);
    font-weight: 700;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .faq-icon {
    margin-left: auto;
    color: var(--primary);
    transition: transform 0.25s ease;
    flex-shrink: 0;
  }

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

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .faq-item.open .faq-a {
    max-height: 260px;
  }

  .faq-a-inner {
    padding: 4px 20px 20px 60px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
  }

  .cta-banner {
    position: relative;
    background: var(--secondary);
    color: #fff;
    padding: 64px 0;
    overflow: hidden;
  }

  .cta-banner::before {
    content: "";
    position: absolute;
    top: -70px;
    right: -30px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(217, 239, 106, 0.12);
  }

  .cta-banner::after {
    content: "";
    position: absolute;
    bottom: -90px;
    left: -50px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(14, 159, 103, 0.18);
  }

  .cta-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }

  .cta-title {
    font-size: clamp(24px, 3vw, 30px);
    font-weight: 700;
    margin-bottom: 8px;
  }

  .cta-text {
    color: rgba(255, 255, 255, 0.85);
    font-size: 15px;
  }

  .cta-btns {
    display: flex;
    gap: 14px;
    flex-shrink: 0;
  }

  .site-footer {
    background: var(--secondary);
    color: #fff;
    padding: 56px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 32px;
    padding-bottom: 40px;
  }

  .site-footer .logo {
    color: #fff;
    margin-bottom: 14px;
  }

  .site-footer .logo-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent);
  }

  .footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.8;
    max-width: 280px;
  }

  .footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 16px;
  }

  .footer-col ul li {
    margin-bottom: 10px;
  }

  .footer-col ul li a {
    color: rgba(255, 255, 255, 0.78);
    font-size: 14px;
    transition: color 0.2s ease;
  }

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

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
  }

  @media (max-width: 1024px) {
    .category-layout {
      grid-template-columns: 1fr;
      gap: 32px;
    }

    .sidebar-inner {
      position: static;
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: stretch;
    }

    .side-promo {
      grid-column: span 2;
    }

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

  @media (max-width: 768px) {
    .container {
      padding-left: 16px;
      padding-right: 16px;
    }

    .header-inner {
      height: 64px;
    }

    .logo {
      font-size: 17px;
    }

    .logo-badge {
      width: 34px;
      height: 34px;
      font-size: 16px;
    }

    .main-nav {
      display: none;
    }

    .mobile-toggle {
      display: flex;
    }

    .page-hero {
      padding: 48px 0 56px;
    }

    .page-hero h1 {
      font-size: 32px;
    }

    .page-hero p {
      font-size: 15px;
    }

    .category-main {
      padding: 48px 0 56px;
    }

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

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

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

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

    .faq-section {
      padding: 56px 0;
    }

    .cta-banner {
      padding: 48px 0;
    }

    .cta-content {
      flex-direction: column;
      align-items: flex-start;
    }

    .cta-btns {
      flex-wrap: wrap;
    }

    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
  }

  @media (max-width: 520px) {
    .footer-grid {
      grid-template-columns: 1fr;
    }

    .sidebar-inner {
      grid-template-columns: 1fr;
    }

    .side-promo {
      grid-column: span 1;
    }

    .process-steps {
      grid-template-columns: 1fr;
    }

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

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

    .faq-a-inner {
      padding-left: 20px;
    }
  }