/* roulang page: index */
:root {
  --primary: #0B6E99;
  --primary-light: #0891B2;
  --primary-dark: #0A4F72;
  --accent: #F59E0B;
  --accent-hover: #D97706;
  --success: #10B981;
  --bg: #F7FAFC;
  --card-bg: #FFFFFF;
  --text-heading: #0F2D3D;
  --text-body: #3D4F5F;
  --text-muted: #8AA0B0;
  --border: #E3EAF0;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(15,45,61,.06);
  --shadow-lg: 0 12px 24px -8px rgba(15,45,61,.16);
  --transition: .2s 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: var(--bg);
  color: var(--text-body);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.container { max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.h1-display { font-size: 42px; font-weight: 700; line-height: 1.15; color: var(--text-heading); letter-spacing: -0.01em; }
.h2-section { font-size: 32px; font-weight: 700; line-height: 1.3; color: var(--text-heading); }
.h3-card { font-size: 22px; font-weight: 600; line-height: 1.4; color: var(--text-heading); }

.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: #fff; font-weight: 600;
  height: 48px; padding: 0 24px; border-radius: var(--radius-sm);
  border: none; cursor: pointer; transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  font-size: 16px; line-height: 1;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(245,158,11,.28); }
.btn-primary:active { transform: scale(.98); }
.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center;
  background: #fff; color: var(--primary); font-weight: 600;
  height: 48px; padding: 0 24px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--primary); cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  font-size: 16px; line-height: 1;
}
.btn-secondary:hover { background: rgba(11,110,153,.05); transform: translateY(-1px); }
.btn-secondary:active { transform: scale(.98); }

.card-base {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  box-shadow: var(--shadow-sm); transition: box-shadow var(--transition), transform var(--transition);
}
.card-base:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.badge {
  display: inline-block; background: rgba(11,110,153,.1); color: var(--primary);
  font-size: 13px; font-weight: 500; border-radius: 6px; padding: 4px 10px; line-height: 1.4;
}
.badge-accent { background: rgba(245,158,11,.12); color: #B45309; }

.header-main {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.9); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-link { position: relative; font-size: 16px; color: var(--text-body); padding: 8px 0; font-weight: 500; }
.nav-link::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 2px; background: var(--primary); border-radius: 2px;
  transition: width var(--transition);
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--primary); }

.hero-section {
  position: relative; min-height: 90vh; display: flex; align-items: center;
  background-image: linear-gradient(to right, rgba(255,255,255,.94), rgba(255,255,255,.72)), url('/assets/images/backpic/back-1.webp');
  background-size: cover; background-position: center;
  padding: 80px 0;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(11,110,153,.08); color: var(--primary);
  border: 1px solid rgba(11,110,153,.15);
  border-radius: 40px; padding: 6px 16px; font-size: 14px; font-weight: 500;
}
.trust-item { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-muted); }
.trust-item svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--primary); }

.section-pad { padding: 96px 0; }
.section-pad-sm { padding: 64px 0; }

.feature-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.feature-left { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.feature-right { display: grid; gap: 24px; }

.icon-circle {
  width: 48px; height: 48px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(11,110,153,.08); color: var(--primary); margin-bottom: 16px;
}

.check-list { list-style: none; padding: 0; }
.check-list li {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 10px 0; font-size: 16px; color: var(--text-body);
}
.check-list li svg { flex-shrink: 0; color: var(--success); margin-top: 4px; }

.news-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column; height: 100%;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.news-content { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.news-title { font-size: 17px; font-weight: 600; color: var(--text-heading); line-height: 1.45; margin: 10px 0 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-summary { font-size: 14px; color: var(--text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 16px; }
.news-meta { font-size: 13px; color: var(--text-muted); margin-top: auto; display: flex; align-items: center; justify-content: space-between; }
.read-more { color: var(--primary); font-weight: 500; font-size: 13px; }
.read-more:hover { text-decoration: underline; }

.empty-state {
  background: #F0F4F8; border: 1px dashed var(--border); border-radius: var(--radius);
  color: var(--text-muted); text-align: center; padding: 48px 24px; font-size: 15px;
}

.testimonial-card {
  background: rgba(11,110,153,.05);
  border: 1px solid rgba(11,110,153,.1);
  border-radius: var(--radius); padding: 48px 40px; text-align: center;
  max-width: 900px; margin: 0 auto;
}
.testimonial-text { font-size: 20px; line-height: 1.7; color: var(--text-heading); font-weight: 500; }
.testimonial-author { font-size: 14px; color: var(--text-muted); margin-top: 16px; }
.logo-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 48px; align-items: center; padding-top: 40px; }
.logo-strip span { font-size: 20px; color: var(--text-muted); font-weight: 600; letter-spacing: .02em; }

.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 20px 0;
  font-size: 17px; font-weight: 600; color: var(--text-heading);
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 22px; color: var(--primary); font-weight: 400;
  transition: transform var(--transition); flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding: 0 0 20px; color: var(--text-muted); font-size: 15px; line-height: 1.75; }

.cta-block {
  background: rgba(11,110,153,.08); border: 1px solid rgba(11,110,153,.1);
  border-radius: 16px; padding: 64px 48px; text-align: center;
}
.cta-title { font-size: 32px; font-weight: 700; color: var(--text-heading); line-height: 1.3; }

.footer-main {
  background: #F0F5F9; border-top: 1px solid var(--border);
  padding: 64px 0 32px; margin-top: 96px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 48px; }
.footer-title { font-size: 15px; font-weight: 600; color: var(--text-heading); margin-bottom: 16px; }
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: var(--text-muted); }
.footer-links a:hover { color: var(--primary); text-decoration: underline; }
.footer-contact { font-size: 14px; color: var(--text-muted); line-height: 2; }
.footer-bottom { border-top: 1px solid var(--border); margin-top: 48px; padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 14px; color: var(--text-muted); }

@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: 1fr; }
  .feature-left { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section-pad { padding: 64px 0; }
  .h1-display { font-size: 36px; }
  .h2-section { font-size: 28px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-mobile-btn { display: block; }
  .feature-left { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-section { min-height: 80vh; padding: 56px 0; }
  .h1-display { font-size: 30px; }
  .h2-section { font-size: 26px; }
  .cta-block { padding: 40px 24px; }
  .testimonial-card { padding: 32px 24px; }
  .container { padding-left: 16px; padding-right: 16px; }
  .logo-strip { gap: 24px; }
}
@media (max-width: 520px) {
  .trust-row { flex-wrap: wrap; gap: 12px !important; }
  .logo-strip span { font-size: 17px; }
  .testimonial-text { font-size: 17px; }
}

/* roulang page: category1 */
:root {
      --brand: #0B6E99;
      --brand-light: #0891B2;
      --brand-dark: #0A4F72;
      --accent: #F59E0B;
      --accent-dark: #D97706;
      --success: #10B981;
      --bg-page: #F7FAFC;
      --card: #FFFFFF;
      --ink: #0F2D3D;
      --body: #3D4F5F;
      --muted: #8AA0B0;
      --line: #E3EAF0;
      --radius: 12px;
      --shadow-sm: 0 1px 3px rgba(15,45,61,.06);
      --shadow-lg: 0 12px 24px -8px rgba(15,45,61,.16);
      --container: 1280px;
    }

    * { box-sizing: border-box; }

    html, body {
      margin: 0;
      padding: 0;
    }

    body {
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--body);
      background: var(--bg-page);
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease;
    }

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

    button {
      font: inherit;
      cursor: pointer;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    @media (max-width: 640px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
    }

    .section-padding {
      padding: 96px 0;
    }

    @media (max-width: 640px) {
      .section-padding {
        padding: 64px 0;
      }
    }

    .h1-display {
      font-size: 42px;
      line-height: 1.15;
      font-weight: 700;
      color: var(--ink);
    }

    .h2-section {
      font-size: 32px;
      line-height: 1.3;
      font-weight: 700;
      color: var(--ink);
    }

    @media (max-width: 640px) {
      .h1-display {
        font-size: 30px;
      }

      .h2-section {
        font-size: 26px;
      }
    }

    .section-label {
      display: inline-block;
      font-size: 14px;
      font-weight: 600;
      color: var(--brand);
      background: rgba(11, 110, 153, .1);
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 14px;
    }

    .section-desc {
      margin-top: 14px;
      font-size: 16px;
      color: var(--body);
      line-height: 1.75;
      max-width: 560px;
    }

    .btn-primary,
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 48px;
      padding: 0 24px;
      border-radius: 8px;
      font-size: 16px;
      font-weight: 600;
      white-space: nowrap;
      transition: all .2s ease;
    }

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

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

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

    .btn-secondary {
      background: #fff;
      color: var(--brand);
      border: 1.5px solid var(--brand);
    }

    .btn-secondary:hover {
      background: rgba(11, 110, 153, .05);
    }

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

    .badge {
      display: inline-block;
      background: rgba(11, 110, 153, .1);
      color: var(--brand);
      font-size: 13px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 6px;
      line-height: 1.4;
    }

    .card-base {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 12px;
      box-shadow: var(--shadow-sm);
      transition: all .2s ease;
    }

    .card-base:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }

    .article-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all .2s ease;
    }

    .article-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .cover-wrap {
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #E3EAF0;
    }

    .cover-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .25s ease;
    }

    .article-card:hover .cover-img {
      transform: scale(1.03);
    }

    .card-title {
      font-size: 18px;
      font-weight: 600;
      color: var(--ink);
      margin-top: 12px;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 1;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .card-summary {
      margin-top: 8px;
      color: var(--body);
      font-size: 14px;
      line-height: 1.65;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .card-link {
      display: inline-block;
      margin-top: 14px;
      color: var(--brand);
      font-size: 14px;
      font-weight: 600;
      line-height: 1.4;
    }

    .card-link:hover {
      color: var(--brand-dark);
      text-decoration: underline;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, .9);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line);
      transition: box-shadow .2s ease;
    }

    .site-header.scrolled {
      box-shadow: 0 4px 16px rgba(15, 45, 61, .08);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 20px;
    }

    .logo-area {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: var(--ink);
      flex-shrink: 0;
    }

    .nav-toggle {
      display: none;
    }

    .nav-area {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex: 1;
      gap: 20px;
    }

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

    .nav-link {
      position: relative;
      color: var(--body);
      font-size: 16px;
      font-weight: 500;
      padding: 6px 2px;
      transition: color .2s ease;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 0;
      height: 2px;
      background: var(--brand);
      transition: width .2s ease;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--brand);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
      width: 100%;
    }

    .menu-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 8px;
      color: var(--ink);
      border: 1px solid var(--line);
      background: #fff;
      cursor: pointer;
      transition: background .2s ease;
    }

    .menu-toggle:hover {
      background: #F0F5F9;
    }

    @media (max-width: 1023px) {
      .nav-area {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        border-bottom: 1px solid var(--line);
        box-shadow: 0 16px 32px -12px rgba(15, 45, 61, .18);
        padding: 24px;
        gap: 20px;
      }

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

      .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
      }

      .nav-link {
        display: block;
        padding: 10px 0;
        font-size: 17px;
        border-bottom: 1px solid #F0F5F9;
      }

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

      .menu-toggle {
        display: flex;
      }
    }

    .hero-banner {
      position: relative;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
    }

    .hero-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(247, 250, 252, .95) 0%, rgba(247, 250, 252, .85) 55%, rgba(11, 110, 153, .14) 100%);
    }

    .hero-banner .container {
      position: relative;
      z-index: 1;
      padding-top: 64px;
      padding-bottom: 64px;
    }

    @media (min-width: 768px) {
      .hero-banner .container {
        padding-top: 88px;
        padding-bottom: 88px;
      }
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      color: var(--muted);
      margin-bottom: 20px;
    }

    .breadcrumb a {
      color: var(--brand);
      font-weight: 500;
    }

    .breadcrumb a:hover {
      color: var(--brand-dark);
      text-decoration: underline;
    }

    .breadcrumb-sep {
      margin: 0 10px;
      color: #CBD5E0;
    }

    .breadcrumb .current {
      color: var(--ink);
      font-weight: 500;
    }

    .hero-sub {
      max-width: 520px;
      margin: 16px auto 0;
      font-size: 17px;
      color: var(--body);
      line-height: 1.7;
    }

    .stats-strip {
      background: var(--brand-dark);
      padding: 40px 0;
    }

    .stat-num {
      font-size: 34px;
      font-weight: 700;
      color: #fff;
      line-height: 1.2;
    }

    .stat-label {
      margin-top: 6px;
      font-size: 14px;
      color: rgba(255, 255, 255, .72);
    }

    .step-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: all .2s ease;
    }

    .step-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }

    .step-num {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(11, 110, 153, .1);
      color: var(--brand);
      font-size: 16px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    .faq-item summary {
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 0;
      font-size: 16px;
      font-weight: 600;
      color: var(--ink);
      cursor: pointer;
      transition: color .2s ease;
    }

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

    .faq-item summary:hover {
      color: var(--brand);
    }

    .faq-item summary::after {
      content: "+";
      font-size: 22px;
      font-weight: 400;
      color: var(--brand);
      transition: transform .2s ease;
    }

    .faq-item[open] summary::after {
      content: "−";
    }

    .faq-answer {
      padding: 0 0 24px;
      color: var(--body);
      font-size: 15px;
      line-height: 1.8;
      max-width: 620px;
    }

    .cta-banner {
      background: rgba(11, 110, 153, .08);
      border: 1px solid rgba(11, 110, 153, .12);
      border-radius: 16px;
      padding: 48px 24px;
      text-align: center;
    }

    .footer-main {
      background: #F0F5F9;
      border-top: 1px solid var(--line);
      padding: 56px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 40px;
    }

    .footer-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--ink);
      margin-bottom: 14px;
    }

    .footer-links li {
      margin-bottom: 8px;
    }

    .footer-links a {
      color: var(--body);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--brand);
      text-decoration: underline;
    }

    .footer-contact {
      color: var(--body);
      font-size: 14px;
      display: grid;
      gap: 8px;
    }

    .footer-bottom {
      border-top: 1px solid #E3EAF0;
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      font-size: 14px;
      color: var(--muted);
    }

    @media (max-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

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

    a:focus-visible,
    button:focus-visible {
      outline: 3px solid rgba(11, 110, 153, .35);
      outline-offset: 2px;
      border-radius: 4px;
    }

/* roulang page: article */
:root {
            --primary: #0B6E99;
            --primary-light: #0891B2;
            --primary-dark: #0A4F72;
            --cta: #F59E0B;
            --cta-hover: #D97706;
            --success: #10B981;
            --bg: #F7FAFC;
            --card-bg: #FFFFFF;
            --title-color: #0F2D3D;
            --body-color: #3D4F5F;
            --muted-color: #8AA0B0;
            --border-color: #E3EAF0;
            --radius: 10px;
            --radius-lg: 12px;
            --shadow-sm: 0 1px 3px rgba(15,45,61,.06);
            --shadow-md: 0 12px 24px -8px rgba(15,45,61,.16);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--body-color);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255,255,255,.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }

        .nav-link {
            position: relative;
            font-size: 16px;
            font-weight: 500;
            color: var(--title-color);
            padding: 6px 0;
            transition: color .2s ease;
            white-space: nowrap;
        }

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

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

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

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--cta);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            border-radius: 8px;
            height: 48px;
            padding: 0 24px;
            box-shadow: var(--shadow-sm);
            transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
        }

        .btn-primary:hover {
            background: var(--cta-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            font-size: 16px;
            font-weight: 600;
            border-radius: 8px;
            height: 48px;
            padding: 0 24px;
            transition: background .2s ease, transform .2s ease, border-color .2s ease;
        }

        .btn-secondary:hover {
            background: rgba(11,110,153,.06);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
        }

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

        .btn-nav {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--cta);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: 8px;
            height: 40px;
            padding: 0 18px;
            transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
            box-shadow: var(--shadow-sm);
        }

        .btn-nav:hover {
            background: var(--cta-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 15px;
            color: var(--primary);
            transition: background .2s ease;
        }

        .btn-ghost:hover {
            background: rgba(11,110,153,.08);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 6px;
            background: rgba(11,110,153,.1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            line-height: 1.4;
        }

        .card-base {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }

        .card-base:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(11,110,153,.2);
        }

        .h1-display {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.15;
            color: var(--title-color);
        }

        .h2-section {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--title-color);
        }

        .h3-section {
            font-size: 22px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--title-color);
        }

        @media (max-width: 768px) {
            .h1-display {
                font-size: 30px;
            }
            .h2-section {
                font-size: 26px;
            }
            .h3-section {
                font-size: 20px;
            }
        }

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

        .line-clamp-3 {
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .breadcrumb a {
            color: var(--muted-color);
            transition: color .2s ease;
        }

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

        .article-body {
            font-size: 17px;
            line-height: 2;
            color: var(--body-color);
            word-break: break-word;
        }

        .article-body > * {
            margin-bottom: 1.4em;
        }

        .article-body > *:last-child {
            margin-bottom: 0;
        }

        .article-body h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--title-color);
            line-height: 1.4;
            margin: 1.8em 0 .6em;
            padding-bottom: .4em;
            border-bottom: 1px solid var(--border-color);
        }

        .article-body h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--title-color);
            line-height: 1.4;
            margin: 1.6em 0 .5em;
        }

        .article-body h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--title-color);
            margin: 1.4em 0 .4em;
        }

        .article-body p {
            line-height: 2;
        }

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

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

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

        .article-body li {
            margin-bottom: .6em;
            padding-left: .2em;
        }

        .article-body li::marker {
            color: var(--primary);
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(11,110,153,.05);
            padding: 1.1em 1.4em;
            border-radius: 0 8px 8px 0;
            color: var(--title-color);
            font-style: normal;
            margin-left: 0;
            margin-right: 0;
        }

        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.6em auto;
            display: block;
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(11,110,153,.3);
            transition: text-decoration-color .2s ease;
        }

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

        .article-body code {
            background: #EFF5F9;
            border: 1px solid rgba(11,110,153,.12);
            border-radius: 4px;
            padding: 2px 6px;
            font-size: .88em;
            color: var(--primary-dark);
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
        }

        .article-body pre {
            background: #0F2D3D;
            color: #E3EAF0;
            border-radius: 10px;
            padding: 20px;
            overflow-x: auto;
            line-height: 1.7;
            font-size: 14px;
        }

        .article-body pre code {
            background: transparent;
            border: none;
            padding: 0;
            color: inherit;
            font-size: inherit;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6em 0;
            font-size: 15px;
        }

        .article-body th {
            background: rgba(11,110,153,.06);
            font-weight: 600;
            color: var(--title-color);
        }

        .article-body th,
        .article-body td {
            border: 1px solid var(--border-color);
            padding: 10px 14px;
            text-align: left;
        }

        .article-body hr {
            border: none;
            border-top: 1px solid var(--border-color);
            margin: 2em 0;
        }

        .post-nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 28px;
            margin-top: 8px;
        }

        .post-nav-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 14px 18px;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            background: #fff;
            transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
        }

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

        .post-nav-label {
            font-size: 13px;
            color: var(--muted-color);
        }

        .post-nav-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--title-color);
            transition: color .2s ease;
        }

        .post-nav-item:hover .post-nav-title {
            color: var(--primary);
        }

        .post-nav-center {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .post-nav-wrap {
                flex-direction: column;
            }
            .post-nav-center {
                order: -1;
                width: 100%;
            }
            .post-nav-center .btn-secondary {
                width: 100%;
            }
            .post-nav-item {
                width: 100%;
                flex: none;
            }
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border-color);
            padding: 12px 16px 20px;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu-link {
            display: block;
            padding: 12px 4px;
            font-size: 16px;
            font-weight: 500;
            color: var(--title-color);
            border-bottom: 1px solid #EFF3F6;
            transition: color .2s ease, background .2s ease;
        }

        .mobile-menu-link:hover {
            color: var(--primary);
            background: rgba(11,110,153,.02);
        }

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

        .footer-main {
            background: #F0F5F9;
            border-top: 1px solid var(--border-color);
            padding-top: 56px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--title-color);
            margin-bottom: 16px;
        }

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

        .footer-links a {
            color: var(--body-color);
            font-size: 14px;
            transition: color .2s ease;
        }

        .footer-links a:hover {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .footer-contact {
            list-style: none;
            color: var(--body-color);
            font-size: 14px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--muted-color);
            flex-wrap: wrap;
        }

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

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        .recommend-card .card-cover {
            overflow: hidden;
            border-radius: 12px 12px 0 0;
        }

        .recommend-card .card-cover img {
            transition: transform .5s ease;
        }

        .recommend-card:hover .card-cover img {
            transform: scale(1.05);
        }

        .section-cta {
            background: rgba(11,110,153,.08);
            border-radius: 16px;
        }

/* roulang page: category3 */
:root {
    --primary: #0B6E99;
    --primary-light: #0891B2;
    --primary-dark: #0A4F72;
    --accent: #F59E0B;
    --accent-hover: #D97706;
    --success: #10B981;
    --bg: #F7FAFC;
    --card-bg: #FFFFFF;
    --heading: #0F2D3D;
    --body: #3D4F5F;
    --muted: #8AA0B0;
    --border: #E3EAF0;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(15, 45, 61, .06);
    --shadow-hover: 0 12px 24px -8px rgba(15, 45, 61, .16);
  }
  html, body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--body);
    line-height: 1.75;
    font-size: 16px;
    scroll-behavior: smooth;
  }
  *, *::before, *::after { box-sizing: border-box; }
  body, h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; padding: 0; }
  ul, ol { list-style: none; }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; }
  button { font-family: inherit; }

  .container {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
  }
  @media (max-width: 640px) {
    .container { padding-left: 16px; padding-right: 16px; }
  }

  .h1-display {
    font-size: 42px;
    line-height: 1.15;
    font-weight: 700;
    color: var(--heading);
  }
  .h2-section {
    font-size: 32px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--heading);
  }
  .h3-title {
    font-size: 22px;
    line-height: 1.4;
    font-weight: 600;
    color: var(--heading);
  }
  @media (max-width: 768px) {
    .h1-display { font-size: 30px; }
    .h2-section { font-size: 26px; }
    .h3-title { font-size: 20px; }
  }

  .nav-link {
    position: relative;
    font-size: 16px;
    color: var(--body);
    transition: color .2s ease;
    padding: 6px 0;
  }
  .nav-link:hover { color: var(--primary); }
  .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 2px;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width .2s ease;
  }
  .nav-link:hover::after,
  .nav-link.active::after { width: 100%; }
  .nav-link.active { color: var(--primary); }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    font-size: 16px;
    height: 48px;
    padding: 0 24px;
    border-radius: 8px;
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
    box-shadow: 0 1px 3px rgba(245, 158, 11, .3);
  }
  .btn-primary:hover { background: var(--accent-hover); box-shadow: 0 8px 20px rgba(245, 158, 11, .35); }
  .btn-primary:active { transform: translateY(1px); }
  .btn-primary:focus-visible,
  .btn-secondary:focus-visible,
  .nav-link:focus-visible {
    outline: 3px solid rgba(11, 110, 153, .25);
    outline-offset: 2px;
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: var(--primary);
    font-weight: 600;
    font-size: 16px;
    height: 48px;
    padding: 0 24px;
    border-radius: 8px;
    border: 1.5px solid var(--primary);
    transition: background .2s ease, box-shadow .2s ease;
  }
  .btn-secondary:hover { background: rgba(11, 110, 153, .05); box-shadow: 0 4px 12px rgba(11, 110, 153, .12); }
  .btn-secondary:active { transform: translateY(1px); }

  .card-base {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: box-shadow .2s ease, transform .2s ease;
  }
  .card-base:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }

  .badge {
    display: inline-flex;
    align-items: center;
    background: rgba(11, 110, 153, .1);
    color: var(--primary);
    font-size: 13px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 6px;
  }

  .page-hero {
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
  }
  .page-hero .hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
  }
  .page-hero .hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, .85);
  }

  .breadcrumb {
    font-size: 14px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
  }
  .breadcrumb a {
    color: var(--primary);
    transition: color .2s;
  }
  .breadcrumb a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
  }

  .faq-item {
    border-bottom: 1px solid var(--border);
  }
  .faq-item:first-child {
    border-top: 1px solid var(--border);
  }
  .faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    font-weight: 600;
    color: var(--heading);
    text-align: left;
    cursor: pointer;
    background: none;
    border: none;
    font-size: 16px;
    transition: color .2s;
  }
  .faq-question:hover { color: var(--primary); }
  .faq-icon {
    flex-shrink: 0;
    transition: transform .25s ease;
    color: var(--primary);
  }
  .faq-answer {
    padding-bottom: 18px;
    color: var(--body);
    line-height: 1.75;
    font-size: 15px;
    max-width: 760px;
  }

  .timeline-item {
    position: relative;
    padding-left: 28px;
    padding-bottom: 32px;
  }
  .timeline-item::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 4px;
    bottom: 0;
    width: 2px;
    background: rgba(11, 110, 153, .18);
  }
  .timeline-item:last-child::before { display: none; }
  .timeline-dot {
    position: absolute;
    left: 0;
    top: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--primary);
    box-shadow: 0 0 0 4px rgba(11, 110, 153, .1);
  }

  .footer-main {
    background: #F0F5F9;
    border-top: 1px solid var(--border);
    padding: 64px 0 24px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.4fr;
    gap: 40px;
  }
  .footer-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: 16px;
  }
  .footer-links li,
  .footer-contact li {
    margin-bottom: 10px;
  }
  .footer-links a {
    color: var(--body);
    font-size: 14px;
    transition: color .2s;
  }
  .footer-links a:hover {
    color: var(--primary);
    text-decoration: underline;
  }
  .footer-contact {
    color: var(--muted);
    font-size: 14px;
  }
  .footer-bottom {
    border-top: 1px solid var(--border);
    margin-top: 40px;
    padding-top: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    color: var(--muted);
    font-size: 14px;
  }
  @media (max-width: 768px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
    }
  }

  .section-space {
    padding-top: 96px;
    padding-bottom: 96px;
  }
  @media (max-width: 768px) {
    .section-space {
      padding-top: 64px;
      padding-bottom: 64px;
    }
  }

  .line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

/* roulang page: category2 */
:root {
    --primary: #0B6E99;
    --primary-light: #0891B2;
    --primary-dark: #0A4F72;
    --accent: #F59E0B;
    --accent-hover: #D97706;
    --bg-page: #F7FAFC;
    --bg-card: #FFFFFF;
    --text-title: #0F2D3D;
    --text-body: #3D4F5F;
    --text-muted: #8AA0B0;
    --border: #E3EAF0;
    --radius: 12px;
    --shadow-sm: 0 1px 3px rgba(15,45,61,.06);
    --shadow-lg: 0 12px 24px -8px rgba(15,45,61,.16);
  }

  * { 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(--bg-page);
    color: var(--text-body);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }
  img { display: block; max-width: 100%; }
  a { text-decoration: none; color: inherit; }
  button { font-family: inherit; cursor: pointer; }
  ul { list-style: none; }

  .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
  @media (max-width: 640px) { .container { padding: 0 16px; } }

  .section-padding { padding: 96px 0; }
  @media (max-width: 768px) { .section-padding { padding: 64px 0; } }

  .h1-display { font-size: 42px; line-height: 1.15; font-weight: 700; color: var(--text-title); }
  .h2-section { font-size: 32px; line-height: 1.3; font-weight: 700; color: var(--text-title); }
  @media (max-width: 640px) {
    .h1-display { font-size: 30px; }
    .h2-section { font-size: 26px; }
  }

  .header-main {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }

  .nav-link {
    position: relative;
    font-size: 16px;
    color: var(--text-body);
    font-weight: 500;
    padding: 8px 2px;
    transition: color .2s ease;
    white-space: nowrap;
  }
  .nav-link:hover, .nav-link.active { color: var(--primary); }
  .nav-link::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 100%; height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .2s ease;
  }
  .nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    height: 48px;
    padding: 0 24px;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    font-size: 16px;
    line-height: 1;
    transition: background .2s ease, transform .1s ease;
  }
  .btn-primary:hover { background: var(--accent-hover); }
  .btn-primary:active { transform: translateY(1px); }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    height: 48px;
    padding: 0 24px;
    border-radius: 8px;
    background: #fff;
    color: var(--primary);
    border: 1.5px solid var(--primary);
    font-weight: 600;
    font-size: 16px;
    line-height: 1;
    transition: background .2s ease;
  }
  .btn-secondary:hover { background: rgba(11,110,153,.05); }
  .btn-secondary:active { transform: translateY(1px); }

  .badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(11,110,153,.1);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
  }
  .badge-light {
    background: rgba(255,255,255,.92);
    box-shadow: 0 1px 3px rgba(15,45,61,.1);
  }

  .card-base {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .2s ease, box-shadow .2s ease;
  }
  .card-base:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

  .bg-primary-tint { background: rgba(11,110,153,.08); }

  .footer-main {
    background: #F0F5F9;
    border-top: 1px solid var(--border);
    padding: 64px 0 24px;
    margin-top: 96px;
  }
  .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
  .footer-title { font-size: 16px; font-weight: 600; color: var(--text-title); margin-bottom: 16px; }
  .footer-links li, .footer-contact li { margin-bottom: 10px; }
  .footer-links a { font-size: 14px; color: var(--text-body); transition: color .2s ease; }
  .footer-links a:hover { color: var(--primary); text-decoration: underline; }
  .footer-contact li { font-size: 14px; color: var(--text-body); line-height: 1.6; }
  .footer-bottom {
    border-top: 1px solid var(--border);
    margin-top: 40px;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
  }
  @media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; }
  }

  .breadcrumb a { transition: color .2s ease; }
  .breadcrumb span { color: #C0D0DC; }

  summary { list-style: none; }
  summary::-webkit-details-marker { display: none; }
  summary svg { transition: transform .2s ease; }
  details[open] summary svg { transform: rotate(180deg); }

  .menu-toggle { border: 0; background: transparent; }

  @media (max-width: 1023px) {
    .nav-links.open {
      display: flex;
      flex-direction: column;
      align-items: stretch;
      gap: 4px;
      position: absolute;
      top: 72px;
      left: 16px;
      right: 16px;
      background: #fff;
      padding: 16px;
      border-radius: 12px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border);
      z-index: 100;
    }
    .nav-links.open .nav-link { padding: 12px 8px; border-radius: 8px; }
    .nav-links.open .nav-link:hover { background: var(--bg-page); }
    .nav-links.open .nav-link::after { display: none; }
  }