/* roulang page: index */
:root {
    --primary: #0f2a43;
    --primary-light: #1a3a5c;
    --accent: #d4a853;
    --accent-dark: #b8913e;
    --bg: #f5f7fa;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 2px 8px rgba(15, 42, 67, .06);
    --shadow: 0 10px 30px rgba(15, 42, 67, .08);
    --shadow-lg: 0 20px 50px rgba(15, 42, 67, .12);
    --radius: 16px;
    --radius-sm: 10px;
  }
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }
  body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
  }
  img {
    display: block;
    max-width: 100%;
    height: auto;
  }
  a {
    text-decoration: none;
    color: inherit;
    transition: color .2s ease;
  }
  button,
  input,
  select,
  textarea {
    font: inherit;
    outline: none;
  }
  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }
  /* header nav */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 42, 67, .92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    transition: box-shadow .3s ease;
  }
  .site-header.scrolled {
    box-shadow: 0 6px 24px rgba(0, 0, 0, .3);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 16px;
  }
  .logo {
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: .02em;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
  }
  .logo i {
    color: var(--accent);
    font-size: 1.35rem;
  }
  .main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
  }
  .nav-link {
    color: rgba(255, 255, 255, .82);
    font-size: .95rem;
    font-weight: 500;
    padding: 8px 4px;
    position: relative;
    transition: color .2s ease;
    white-space: nowrap;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: width .25s ease;
  }
  .nav-link:hover {
    color: #fff;
  }
  .nav-link:hover::after {
    width: 100%;
  }
  .nav-link.active {
    color: #fff;
    font-weight: 600;
  }
  .nav-link.active::after {
    width: 100%;
  }
  .header-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--accent), #e8c87a);
    color: #0f2a43;
    font-weight: 600;
    font-size: .9rem;
    padding: 10px 22px;
    border-radius: 50px;
    transition: all .25s ease;
    white-space: nowrap;
    border: none;
    cursor: pointer;
  }
  .header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(212, 168, 83, .4);
    color: #0f2a43;
  }
  .header-cta:focus-visible {
    outline: 3px solid rgba(212, 168, 83, .5);
    outline-offset: 2px;
  }
  .menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
  }
  .menu-toggle:focus-visible {
    outline: 3px solid rgba(212, 168, 83, .5);
  }
  /* mobile nav */
  .mobile-nav {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 12px 16px 20px;
    background: rgba(15, 42, 67, .96);
    border-top: 1px solid rgba(255, 255, 255, .06);
  }
  .mobile-nav.show {
    display: flex;
  }
  .mobile-nav .nav-link {
    padding: 12px 8px;
    border-radius: 8px;
  }
  .mobile-nav .nav-link:hover {
    background: rgba(255, 255, 255, .06);
  }
  .mobile-nav .nav-link.active {
    background: rgba(212, 168, 83, .12);
  }
  /* hero */
  .hero {
    position: relative;
    background: linear-gradient(135deg, rgba(15, 42, 67, .95), rgba(10, 30, 50, .88)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    color: #fff;
    padding: 100px 0 100px;
    overflow: hidden;
  }
  .hero::after {
    content: '';
    position: absolute;
    bottom: -60px;
    right: -40px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(212, 168, 83, .25), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
  }
  .hero-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 64px;
    align-items: center;
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(212, 168, 83, .15);
    border: 1px solid rgba(212, 168, 83, .3);
    color: var(--accent);
    font-size: .85rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 24px;
  }
  .hero-badge i {
    font-size: .8rem;
  }
  .hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -.02em;
    margin-bottom: 20px;
  }
  .hero-title .highlight {
    color: var(--accent);
  }
  .hero-desc {
    font-size: 1.1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, .8);
    margin-bottom: 36px;
    max-width: 520px;
  }
  .hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: .95rem;
    border: none;
    cursor: pointer;
    transition: all .25s ease;
  }
  .btn:focus-visible {
    outline: 3px solid rgba(212, 168, 83, .5);
    outline-offset: 3px;
  }
  .btn-accent {
    background: linear-gradient(135deg, var(--accent), #e8c87a);
    color: #0f2a43;
  }
  .btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(212, 168, 83, .35);
    color: #0f2a43;
  }
  .btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, .4);
    color: #fff;
  }
  .btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
  }
  .hero-card {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 24px;
    backdrop-filter: blur(16px);
    padding: 16px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, .3);
  }
  .hero-card img {
    border-radius: 16px;
    width: 100%;
    height: 260px;
    object-fit: cover;
  }
  .hero-card-meta {
    padding: 16px 8px 8px;
  }
  .hero-card-meta h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
  }
  .hero-card-meta p {
    font-size: .88rem;
    color: rgba(255, 255, 255, .7);
  }
  /* section general */
  .section {
    padding: 80px 0;
  }
  .section-alt {
    background: #fff;
  }
  .section-head {
    margin-bottom: 48px;
    text-align: center;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
  }
  .section-head .tag {
    display: inline-block;
    background: rgba(212, 168, 83, .12);
    color: #a8862f;
    font-size: .82rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 50px;
    margin-bottom: 14px;
    letter-spacing: .04em;
  }
  .section-head h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
    margin-bottom: 14px;
  }
  .section-head p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.7;
  }
  /* stats */
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all .3s ease;
  }
  .stat-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-4px);
  }
  .stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, #0f2a43, #1a3a5c);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--accent);
    font-size: 1.3rem;
  }
  .stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
  }
  .stat-label {
    color: var(--text-light);
    font-size: .9rem;
    margin-top: 6px;
  }
  /* category cards */
  .cat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .cat-card {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all .35s ease;
    display: block;
  }
  .cat-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: rgba(212, 168, 83, .4);
  }
  .cat-card-img {
    position: relative;
    height: 220px;
    overflow: hidden;
  }
  .cat-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
  }
  .cat-card:hover .cat-card-img img {
    transform: scale(1.05);
  }
  .cat-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(15, 42, 67, .8));
  }
  .cat-card-content {
    padding: 24px;
  }
  .cat-card-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 10px;
  }
  .cat-card-content p {
    color: var(--text-light);
    font-size: .92rem;
    line-height: 1.6;
    margin-bottom: 16px;
  }
  .cat-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-dark);
    font-weight: 600;
    font-size: .9rem;
  }
  .cat-card-link i {
    transition: transform .25s ease;
  }
  .cat-card-link:hover i {
    transform: translateX(4px);
  }
  /* latest list */
  .latest-wrap {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 48px;
    align-items: start;
  }
  .news-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .news-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px 24px;
    display: block;
    transition: all .25s ease;
    position: relative;
    overflow: hidden;
  }
  .news-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent);
    opacity: 0;
    transition: opacity .25s ease;
  }
  .news-item:hover {
    border-color: rgba(212, 168, 83, .5);
    box-shadow: var(--shadow);
    transform: translateX(4px);
  }
  .news-item:hover::before {
    opacity: 1;
  }
  .news-item .badge {
    display: inline-block;
    background: rgba(15, 42, 67, .08);
    color: var(--primary-light);
    font-size: .78rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 50px;
    margin-bottom: 10px;
  }
  .news-item h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 6px;
    line-height: 1.4;
    color: var(--text);
  }
  .news-item p {
    color: var(--text-light);
    font-size: .88rem;
    line-height: 1.55;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: .82rem;
    color: #94a3b8;
  }
  .news-meta i {
    font-size: .7rem;
    color: var(--accent);
  }
  .news-empty {
    background: #fff;
    border: 1px dashed var(--border);
    border-radius: 14px;
    padding: 48px;
    text-align: center;
    color: var(--text-light);
  }
  .latest-aside {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    box-shadow: var(--shadow-sm);
  }
  .latest-aside h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--primary);
  }
  .aside-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  .aside-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-light);
    font-size: .85rem;
    padding: 8px 16px;
    border-radius: 50px;
    transition: all .2s ease;
  }
  .aside-tag:hover {
    background: rgba(212, 168, 83, .1);
    border-color: rgba(212, 168, 83, .4);
    color: var(--accent-dark);
  }
  .aside-tag i {
    font-size: .75rem;
    color: var(--accent);
  }
  /* hot cards */
  .hot-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .hot-card {
    border-radius: 18px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all .3s ease;
    display: block;
  }
  .hot-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-4px);
  }
  .hot-card-img {
    height: 170px;
    overflow: hidden;
    position: relative;
  }
  .hot-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
  }
  .hot-card:hover .hot-card-img img {
    transform: scale(1.06);
  }
  .hot-card-img .badge-img {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(15, 42, 67, .85);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: .75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 50px;
  }
  .hot-card-body {
    padding: 20px;
  }
  .hot-card-body h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
  }
  .hot-card-body p {
    color: var(--text-light);
    font-size: .85rem;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  /* process */
  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }
  .process-step {
    text-align: center;
    padding: 36px 24px;
    position: relative;
  }
  .process-step::after {
    content: '→';
    position: absolute;
    top: 50%;
    right: -22px;
    transform: translateY(-50%);
    color: var(--accent);
    font-size: 1.4rem;
    font-weight: 700;
  }
  .process-step:last-child::after {
    display: none;
  }
  .process-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.6rem;
    box-shadow: 0 10px 24px rgba(15, 42, 67, .2);
  }
  .process-step h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
  }
  .process-step p {
    color: var(--text-light);
    font-size: .9rem;
    line-height: 1.6;
  }
  /* faq */
  .faq-wrap {
    max-width: 800px;
    margin: 0 auto;
  }
  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .25s ease;
  }
  .faq-item:hover {
    box-shadow: var(--shadow);
  }
  .faq-item-trigger {
    width: 100%;
    background: transparent;
    border: none;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    gap: 16px;
  }
  .faq-item-trigger:focus-visible {
    outline: 3px solid rgba(212, 168, 83, .4);
    outline-offset: -2px;
  }
  .faq-item-trigger i {
    color: var(--accent);
    transition: transform .3s ease;
    flex-shrink: 0;
  }
  .faq-item.open .faq-item-trigger i {
    transform: rotate(45deg);
  }
  .faq-item-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }
  .faq-item-content p {
    padding: 0 24px 20px;
    color: var(--text-light);
    font-size: .92rem;
    line-height: 1.7;
  }
  .faq-item.open .faq-item-content {
    max-height: 400px;
  }
  /* cta */
  .cta-section {
    position: relative;
    background: linear-gradient(135deg, rgba(15, 42, 67, .94), rgba(26, 58, 92, .9)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
    padding: 80px 0;
    color: #fff;
    text-align: center;
  }
  .cta-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
  }
  .cta-section p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, .8);
    max-width: 560px;
    margin: 0 auto 32px;
  }
  /* footer */
  .site-footer {
    background: #081a2a;
    padding: 64px 0 32px;
    color: rgba(255, 255, 255, .7);
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.2fr .8fr .8fr;
    gap: 48px;
    margin-bottom: 40px;
  }
  .footer-brand .logo {
    font-size: 1.4rem;
    margin-bottom: 14px;
    justify-content: flex-start;
  }
  .footer-brand p {
    font-size: .9rem;
    line-height: 1.7;
    max-width: 320px;
  }
  .footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 18px;
  }
  .footer-col ul {
    list-style: none;
  }
  .footer-col ul li {
    margin-bottom: 10px;
  }
  .footer-col ul a {
    color: rgba(255, 255, 255, .7);
    font-size: .9rem;
    transition: color .2s ease;
  }
  .footer-col ul a:hover {
    color: var(--accent);
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: .85rem;
  }
  .footer-bottom a {
    color: rgba(255, 255, 255, .7);
  }
  .footer-bottom a:hover {
    color: var(--accent);
  }
  /* responsive */
  @media (max-width: 1024px) {
    .hero-grid {
      grid-template-columns: 1fr;
      gap: 40px;
    }
    .hero-card {
      max-width: 560px;
    }
    .latest-wrap {
      grid-template-columns: 1fr;
    }
    .process-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .process-step::after {
      display: none;
    }
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  @media (max-width: 768px) {
    .container {
      padding: 0 20px;
    }
    .section {
      padding: 60px 0;
    }
    .header-inner {
      height: 64px;
    }
    .main-nav {
      display: none;
    }
    .header-cta {
      display: none;
    }
    .menu-toggle {
      display: block;
    }
    .hero {
      padding: 70px 0 70px;
    }
    .hero-title {
      font-size: 2.2rem;
    }
    .hero-desc {
      font-size: 1rem;
    }
    .cat-grid {
      grid-template-columns: 1fr;
    }
    .hot-grid {
      grid-template-columns: 1fr;
      gap: 20px;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .section-head h2 {
      font-size: 1.8rem;
    }
  }
  @media (max-width: 520px) {
    .hero-title {
      font-size: 1.8rem;
    }
    .hero-actions .btn {
      width: 100%;
      justify-content: center;
    }
    .stats-grid {
      grid-template-columns: 1fr;
    }
    .process-grid {
      grid-template-columns: 1fr;
    }
    .footer-bottom {
      flex-direction: column;
      text-align: center;
    }
  }

/* roulang page: category1 */
:root {
    --primary: #12263a;
    --primary-light: #1f3f5c;
    --primary-soft: #eaf0f6;
    --accent: #e7813a;
    --accent-dark: #d06423;
    --bg-body: #f6f8fb;
    --bg-white: #ffffff;
    --text-main: #1c2d3f;
    --text-weak: #5f7391;
    --border-main: #e2e8f0;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --shadow-sm: 0 4px 12px rgba(18, 38, 58, 0.06);
    --shadow-md: 0 10px 28px rgba(18, 38, 58, 0.08);
    --shadow-lg: 0 18px 50px rgba(18, 38, 58, 0.14);
    --transition: all 0.22s ease;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    line-height: 1.65;
  }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; transition: var(--transition); }
  button { cursor: pointer; border: none; background: none; }
  ul { list-style: none; }

  .container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 28px;
  }

  /* ===== Header / Nav ===== */
  .site-header {
    position: relative;
    z-index: 60;
    background: var(--primary);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
  }
  .logo-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    background: var(--accent);
    border-radius: 12px;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 6px 16px rgba(231, 129, 58, 0.3);
  }
  .logo-text { white-space: nowrap; }

  .main-nav {
    display: flex;
    gap: 6px;
    align-items: center;
  }
  .nav-link {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    border-radius: 999px;
    color: rgba(255,255,255,0.72);
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
  }
  .nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.1);
  }
  .nav-link.active {
    color: #fff;
    background: rgba(255,255,255,0.14);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.12);
  }

  .header-actions { display: flex; align-items: center; gap: 12px; }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition);
    line-height: 1.2;
  }
  .btn-primary {
    background: var(--accent);
    color: #fff;
    padding: 12px 24px;
    box-shadow: 0 8px 20px rgba(231, 129, 58, 0.3);
  }
  .btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(231,129,58,0.4);
  }
  .btn-outline {
    border: 1px solid rgba(255,255,255,0.4);
    color: #fff;
    padding: 10px 20px;
  }
  .btn-outline:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.08);
  }
  .btn-small { padding: 8px 16px; font-size: 14px; }
  .nav-toggle { display: none; color: #fff; font-size: 22px; padding: 8px; }

  .mobile-nav {
    display: none;
    padding: 12px 24px 24px;
    background: var(--primary);
  }
  .mobile-nav.open { display: block; }
  .mobile-link {
    display: block;
    padding: 14px 12px;
    border-radius: 10px;
    color: rgba(255,255,255,0.75);
    font-weight: 500;
  }
  .mobile-link:hover,
  .mobile-link.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
  }

  /* ===== Hero ===== */
  .hero {
    position: relative;
    background: var(--primary);
    color: #fff;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 70%, transparent 100%);
    z-index: 1;
    pointer-events: none;
  }
  .hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
    padding-top: 80px;
    padding-bottom: 80px;
  }
  .hero-content { max-width: 640px; }
  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.55);
    margin-bottom: 18px;
  }
  .breadcrumb a { color: rgba(255,255,255,0.75); }
  .breadcrumb a:hover { color: #fff; }
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fde5cd;
    border-radius: 999px;
    padding: 8px 16px;
    font-size: 13px;
    letter-spacing: 1px;
  }
  .hero h1 {
    font-size: 56px;
    line-height: 1.12;
    font-weight: 800;
    margin-top: 24px;
    letter-spacing: 2px;
  }
  .hero-lead {
    font-size: 17px;
    color: rgba(255,255,255,0.78);
    margin-top: 24px;
    line-height: 1.8;
    max-width: 560px;
  }
  .hero-buttons {
    display: flex;
    gap: 14px;
    margin-top: 34px;
    flex-wrap: wrap;
  }
  .btn-ghost {
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    padding: 12px 24px;
  }
  .btn-ghost:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.08);
    transform: translateY(-2px);
  }
  .hero-stats {
    display: flex;
    gap: 36px;
    margin-top: 44px;
    flex-wrap: wrap;
  }
  .hero-stat strong {
    display: block;
    font-size: 30px;
    font-weight: 800;
    color: #fff;
  }
  .hero-stat span {
    font-size: 13px;
    color: rgba(255,255,255,0.65);
    letter-spacing: 1px;
  }
  .hero-visual {
    position: relative;
    height: 480px;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: rotate(1deg);
  }
  .hero-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .hero-float-card {
    position: absolute;
    left: 24px;
    bottom: 24px;
    background: rgba(255,255,255,0.94);
    backdrop-filter: blur(8px);
    border-radius: 20px;
    padding: 20px 24px;
    box-shadow: var(--shadow-lg);
    max-width: 280px;
  }
  .float-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--accent-dark);
    font-weight: 700;
  }
  .hero-float-card strong {
    display: block;
    margin-top: 6px;
    font-size: 18px;
    color: var(--text-main);
  }
  .hero-float-card p {
    font-size: 13px;
    color: var(--text-weak);
    margin-top: 4px;
  }

  /* ===== Section ===== */
  .section { padding: 96px 0; }
  .section-head {
    max-width: 720px;
    margin: 0 auto 52px;
    text-align: center;
  }
  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-soft);
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 7px 16px;
    border-radius: 999px;
  }
  .section-head h2 {
    margin-top: 18px;
    font-size: 36px;
    line-height: 1.25;
    font-weight: 800;
    color: var(--text-main);
  }
  .section-head p {
    margin-top: 14px;
    font-size: 16px;
    color: var(--text-weak);
  }

  /* ===== Feature cards ===== */
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .feature-card {
    background: var(--bg-white);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-md);
    padding: 36px 26px;
    transition: var(--transition);
  }
  .feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
  }
  .feature-icon i {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-radius: 16px;
    font-size: 20px;
    margin-bottom: 20px;
    box-shadow: 0 8px 18px rgba(18,38,58,0.22);
  }
  .feature-card:nth-child(2) .feature-icon i,
  .feature-card:nth-child(4) .feature-icon i {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    box-shadow: 0 8px 18px rgba(231,129,58,0.26);
  }
  .feature-card h3 { font-size: 18px; font-weight: 700; }
  .feature-card p {
    margin-top: 10px;
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
  }

  /* ===== Category cards ===== */
  .cat-section { background: var(--bg-white); }
  .cat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .cat-card {
    background: var(--bg-body);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-main);
    transition: var(--transition);
    display: block;
  }
  .cat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
  }
  .cat-img {
    position: relative;
    height: 190px;
    overflow: hidden;
  }
  .cat-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }
  .cat-card:hover .cat-img img { transform: scale(1.06); }
  .cat-arrow {
    position: absolute;
    right: 14px;
    top: 14px;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
  }
  .cat-body { padding: 22px 24px 26px; }
  .cat-body h3 { font-size: 19px; font-weight: 700; }
  .cat-body p {
    margin-top: 8px;
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.6;
  }
  .cat-meta {
    display: inline-block;
    margin-top: 14px;
    background: var(--primary-soft);
    color: var(--primary-light);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 999px;
  }

  /* ===== Featured guide ===== */
  .guide-feature-section {
    background: var(--primary);
  }
  .guide-feature-section .section-head h2 { color: #fff; }
  .guide-feature-section .section-head p { color: rgba(255,255,255,0.72); }
  .guide-feature-section .section-tag {
    background: rgba(255,255,255,0.1);
    color: #fde5cd;
  }
  .guide-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .guide-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-lg);
    overflow: hidden;
    backdrop-filter: blur(6px);
    transition: var(--transition);
  }
  .guide-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255,255,255,0.22);
  }
  .guide-media {
    height: 200px;
    overflow: hidden;
    position: relative;
  }
  .guide-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }
  .guide-card:hover .guide-media img { transform: scale(1.05); }
  .guide-num {
    position: absolute;
    left: 16px;
    top: 16px;
    background: rgba(18,38,58,0.78);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 999px;
  }
  .guide-body { padding: 26px 22px; }
  .guide-body h3 { font-size: 20px; color: #fff; font-weight: 700; }
  .guide-body p {
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255,255,255,0.72);
  }
  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    color: #fde5cd;
    font-weight: 600;
    font-size: 14px;
  }
  .text-link:hover { color: #fff; }

  /* ===== Stats ===== */
  .stat-section { background: var(--bg-white); }
  .stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .stat-item {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-body);
    border-radius: var(--radius-md);
    border-top: 4px solid var(--accent);
    transition: var(--transition);
  }
  .stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  .stat-item strong {
    display: block;
    font-size: 40px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1px;
  }
  .stat-item span {
    margin-top: 6px;
    display: block;
    color: var(--text-weak);
    font-size: 14px;
  }

  /* ===== Popular cards ===== */
  .popular-section { background: var(--bg-body); }
  .card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
  }
  .post-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
  }
  .post-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
  }
  .post-card img {
    height: 190px;
    width: 100%;
    object-fit: cover;
  }
  .post-body { padding: 22px; }
  .post-tag {
    display: inline-block;
    background: var(--primary-soft);
    color: var(--primary-light);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 999px;
    font-weight: 600;
  }
  .post-body h3 {
    margin-top: 14px;
    font-size: 18px;
    line-height: 1.4;
    font-weight: 700;
  }
  .post-body p {
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-weak);
    line-height: 1.6;
  }
  .post-meta {
    display: block;
    margin-top: 14px;
    font-size: 12px;
    color: #9aa9bc;
  }

  /* ===== FAQ ===== */
  .faq-section {
    background: linear-gradient(180deg, var(--bg-white), var(--bg-body));
  }
  .faq-wrap { max-width: 820px; margin: 0 auto; }
  .faq-list { display: flex; flex-direction: column; gap: 14px; }
  .faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-md);
    padding: 6px 24px;
    transition: var(--transition);
  }
  .faq-item:hover { border-color: #cbd5e1; }
  .faq-item summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 0;
    font-weight: 600;
    color: var(--text-main);
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--text-weak);
    transition: var(--transition);
    font-size: 14px;
  }
  .faq-item[open] summary::after {
    transform: rotate(180deg);
    color: var(--accent);
  }
  .faq-item p {
    padding: 0 0 20px;
    color: var(--text-weak);
    font-size: 14px;
    line-height: 1.8;
  }

  /* ===== CTA ===== */
  .cta-section { background: var(--bg-body); }
  .cta-box {
    background: linear-gradient(120deg, var(--primary), var(--primary-light));
    border-radius: 32px;
    padding: 72px 48px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .cta-box::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(231,129,58,0.25), transparent 70%);
    top: -80px;
    right: -80px;
  }
  .cta-box::after {
    content: '';
    position: absolute;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(255,255,255,0.14), transparent 70%);
    bottom: -90px;
    left: -70px;
  }
  .cta-box h2 { font-size: 34px; font-weight: 800; }
  .cta-box p {
    margin-top: 14px;
    color: rgba(255,255,255,0.78);
    max-width: 560px;
    margin-inline: auto;
  }
  .cta-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 30px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
  }
  .btn-white {
    background: #fff;
    color: var(--primary);
    padding: 12px 26px;
  }
  .btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 32px rgba(0,0,0,0.15);
  }
  .btn-outline-white {
    border: 1px solid rgba(255,255,255,0.6);
    color: #fff;
    padding: 12px 26px;
  }
  .btn-outline-white:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
    transform: translateY(-3px);
  }

  /* ===== Footer ===== */
  .site-footer {
    background: #0c1a28;
    color: #94a3b8;
    padding: 60px 0 0;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
  }
  .footer-brand .logo { color: #fff; margin-bottom: 16px; }
  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: #7e8ea1;
    margin-top: 8px;
  }
  .footer-col h4 {
    color: #e2e8f0;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
  }
  .footer-col ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .footer-col ul a {
    color: #8296ab;
    font-size: 14px;
    transition: var(--transition);
  }
  .footer-col ul a:hover {
    color: #fff;
    padding-left: 4px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: #65788d;
  }
  .footer-bottom a { color: #8296ab; }
  .footer-bottom a:hover { color: #fff; }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .hero-grid {
      grid-template-columns: 1fr;
      padding-top: 60px;
      padding-bottom: 60px;
    }
    .hero-visual {
      height: 380px;
      transform: rotate(0);
      margin-top: 20px;
    }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .cat-grid { grid-template-columns: repeat(2, 1fr); }
    .guide-feature-grid { grid-template-columns: repeat(2, 1fr); }
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }

  @media (max-width: 768px) {
    .container { padding: 0 20px; }
    .main-nav { display: none; }
    .nav-toggle { display: inline-flex; }
    .mobile-nav.open { display: block; }
    .header-actions .btn-outline { display: none; }
    .hero h1 { font-size: 36px; letter-spacing: 1px; }
    .hero-stats { gap: 24px; }
    .hero-stat strong { font-size: 24px; }
    .section { padding: 64px 0; }
    .section-head h2 { font-size: 28px; }
    .feature-grid { grid-template-columns: 1fr; }
    .guide-feature-grid { grid-template-columns: 1fr; }
    .card-grid { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .cta-box { padding: 48px 24px; }
    .cta-box h2 { font-size: 28px; }
    .footer-bottom { justify-content: center; text-align: center; }
  }

  @media (max-width: 520px) {
    .hero h1 { font-size: 30px; }
    .hero-buttons .btn { width: 100%; }
    .cta-btns .btn { width: 100%; }
    .stat-grid { grid-template-columns: 1fr; }
    .footer-grid { gap: 24px; }
    .cat-grid { grid-template-columns: 1fr; }
  }

/* roulang page: article */
:root {
            --c-primary: #0f4c81;
            --c-primary-light: #2b7aa9;
            --c-primary-lighter: #e8f0f8;
            --c-accent: #d4a453;
            --c-accent-light: #f6e7cd;
            --c-text: #1e293b;
            --c-text-light: #64748b;
            --c-bg-light: #f7fafc;
            --c-border: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 20px rgba(15, 76, 129, 0.07);
            --shadow-hover: 0 16px 40px rgba(15, 76, 129, 0.15);
            --trans: all .35s cubic-bezier(.4, 0, .2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            color: var(--c-text);
            background: #fff;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--trans);
        }

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

        button,
        input {
            font-family: inherit;
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--c-border);
            transition: box-shadow .35s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(15, 76, 129, .08);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--c-primary);
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .logo i {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--c-primary), #1a6da0);
            color: #fff;
            border-radius: 12px;
            font-size: 1.05rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            font-size: .95rem;
            font-weight: 500;
            color: #475569;
            padding: 10px 18px;
            border-radius: 999px;
            transition: var(--trans);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--c-primary);
            background: #eff6ff;
        }

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--c-border);
            border-radius: 12px;
            background: #fff;
            color: var(--c-text);
            font-size: 1.15rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--trans);
        }

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

        .mobile-menu {
            display: none;
            padding: 16px 24px 24px;
            background: #fff;
            border-bottom: 1px solid var(--c-border);
        }

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

        .mobile-menu .nav-link {
            display: block;
            padding: 14px 16px;
            border-radius: 12px;
            font-size: 1rem;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 10px;
            font-weight: 600;
            font-size: .95rem;
            line-height: 1.4;
            transition: var(--trans);
            border: 2px solid transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(15, 76, 129, .35);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--c-primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(15, 76, 129, .18);
        }

        .btn-primary:hover {
            background: #0a3a63;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(15, 76, 129, .25);
        }

        .btn-outline {
            border-color: var(--c-primary);
            color: var(--c-primary);
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--c-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 76, 129, .18);
        }

        .btn-gold {
            background: linear-gradient(135deg, #d4a453, #e8bd72);
            color: #1e293b;
            box-shadow: 0 2px 10px rgba(212, 164, 83, .3);
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(212, 164, 83, .4);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: .875rem;
            border-radius: 8px;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 90px 0 110px;
            color: #fff;
            overflow: hidden;
        }

        .article-hero__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 44, 72, .92) 0%, rgba(15, 76, 129, .78) 50%, rgba(15, 76, 129, .42) 100%);
        }

        .article-hero__content {
            position: relative;
            z-index: 2;
            max-width: 880px;
            animation: fadeUp .8s ease both;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .875rem;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .7);
        }

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

        .breadcrumb i {
            font-size: .7rem;
            color: rgba(255, 255, 255, .45);
        }

        .breadcrumb .current {
            color: #fff;
            font-weight: 600;
            background: rgba(255, 255, 255, .14);
            padding: 4px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .article-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.75rem);
            line-height: 1.3;
            font-weight: 800;
            letter-spacing: .5px;
            margin-bottom: 22px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, .15);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: .92rem;
            color: rgba(255, 255, 255, .88);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .12);
            padding: 6px 14px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }

        .article-meta i {
            font-size: .85rem;
            color: #f0d8a1;
        }

        /* ===== Article Content ===== */
        .article-content-section {
            padding: 0 0 70px;
            background: var(--c-bg-light);
        }

        .article-main {
            max-width: 860px;
            margin: -56px auto 0;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-card);
            padding: clamp(28px, 5vw, 60px);
            position: relative;
            z-index: 3;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.95;
            color: #334155;
        }

        .article-body > * + * {
            margin-top: 1.25em;
        }

        .article-body h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--c-primary);
            margin-top: 2.2em;
            padding-bottom: .5em;
            border-bottom: 2px solid var(--c-border);
            position: relative;
        }

        .article-body h2::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 56px;
            height: 2px;
            background: var(--c-accent);
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--c-primary);
            margin-top: 1.8em;
        }

        .article-body p {
            margin-bottom: 1.1em;
            text-align: justify;
        }

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

        .article-body a:hover {
            color: var(--c-accent);
        }

        .article-body img {
            border-radius: 14px;
            box-shadow: var(--shadow-card);
            margin: 1.8em 0;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.4em;
            margin: 1.2em 0;
        }

        .article-body ul li,
        .article-body ol li {
            margin-bottom: .55em;
            padding-left: .3em;
        }

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

        .article-body blockquote {
            border-left: 4px solid var(--c-accent);
            background: #fdf9f0;
            padding: 18px 24px;
            border-radius: 0 14px 14px 0;
            font-style: italic;
            color: #4b5563;
            margin: 1.8em 0;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 42px;
            padding-top: 26px;
            border-top: 1px solid var(--c-border);
        }

        .article-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--c-primary-lighter);
            color: var(--c-primary);
            font-size: .85rem;
            font-weight: 500;
            padding: 6px 15px;
            border-radius: 999px;
            transition: var(--trans);
        }

        .article-tag:hover {
            background: var(--c-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .article-tag.gold {
            background: var(--c-accent-light);
            color: #7c5128;
        }

        .article-tag.gold:hover {
            background: var(--c-accent);
            color: #fff;
        }

        .article-actions {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 34px;
            padding-top: 26px;
            border-top: 1px solid var(--c-border);
        }

        /* ===== Not Found ===== */
        .article-not-found {
            max-width: 640px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-card);
            padding: 70px 40px;
            text-align: center;
            position: relative;
            z-index: 3;
            margin-top: -56px;
        }

        .not-found-icon {
            width: 88px;
            height: 88px;
            margin: 0 auto 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--c-primary-lighter);
            border-radius: 50%;
            font-size: 2rem;
            color: var(--c-primary);
        }

        .article-not-found h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--c-primary);
            margin-bottom: 14px;
        }

        .article-not-found p {
            color: var(--c-text-light);
            margin-bottom: 30px;
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 80px 0;
            background: #fff;
        }

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

        .section-eyebrow {
            display: inline-block;
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--c-accent);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.3rem);
            font-weight: 800;
            color: var(--c-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-desc {
            color: var(--c-text-light);
            font-size: 1rem;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .related-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--trans);
            display: block;
        }

        .related-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .related-card__img {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .related-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .related-card:hover .related-card__img img {
            transform: scale(1.06);
        }

        .related-card__badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(15, 76, 129, .9);
            color: #fff;
            font-size: .8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .related-card__body {
            padding: 22px 24px 26px;
        }

        .related-card__body h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--c-text);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: var(--trans);
        }

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

        .related-card__body p {
            font-size: .9rem;
            color: var(--c-text-light);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card__link {
            font-size: .88rem;
            font-weight: 600;
            color: var(--c-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .related-card__link i {
            transition: transform .3s;
            font-size: .8rem;
        }

        .related-card:hover .related-card__link i {
            transform: translateX(4px);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, #082c48 0%, #0f4c81 60%, #1a6da0 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: rgba(212, 164, 83, .12);
            border-radius: 50%;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .78);
            margin-bottom: 30px;
            font-size: 1rem;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            padding: 8px;
            border-radius: 16px;
            backdrop-filter: blur(8px);
        }

        .subscribe-form input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            padding: 12px 16px;
            color: #fff;
            font-size: .95rem;
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, .5);
        }

        .subscribe-form .btn {
            border-radius: 12px;
            padding: 12px 22px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--c-bg-light);
        }

        .faq-grid {
            max-width: 820px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--trans);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-card);
            border-color: #cbd5e1;
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 20px 26px;
            font-weight: 600;
            color: var(--c-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 18px;
            transition: var(--trans);
        }

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

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

        .faq-item summary .icon {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--c-primary-lighter);
            color: var(--c-primary);
            border-radius: 50%;
            transition: var(--trans);
            font-size: .85rem;
        }

        .faq-item details[open] summary .icon {
            background: var(--c-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 26px 22px;
            color: var(--c-text-light);
            line-height: 1.8;
            font-size: .95rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0b1a26;
            color: #94a3b8;
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 38px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-brand .logo i {
            background: linear-gradient(135deg, var(--c-accent), #e8c078);
            color: #0b1a26;
        }

        .footer-brand p {
            font-size: .92rem;
            line-height: 1.8;
            color: #718096;
            max-width: 340px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--c-accent);
        }

        .footer-col ul {
            list-style: none;
            display: grid;
            gap: 12px;
        }

        .footer-col ul a {
            font-size: .92rem;
            color: #718096;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul a:hover {
            color: var(--c-accent);
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: .875rem;
            color: #64748b;
        }

        .footer-bottom a {
            color: #94a3b8;
        }

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

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(28px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 768px) {
            .main-nav,
            .nav-cta {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .article-hero {
                padding: 64px 0 96px;
            }

            .article-main,
            .article-not-found {
                margin-top: -48px;
            }

            .related-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .subscribe-form {
                flex-direction: column;
                background: transparent;
                border: none;
                padding: 0;
                gap: 12px;
            }

            .subscribe-form input {
                background: rgba(255, 255, 255, .1);
                border: 1px solid rgba(255, 255, 255, .18);
                border-radius: 14px;
            }

            .article-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .article-actions .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .logo {
                font-size: 1.15rem;
            }

            .logo i {
                width: 36px;
                height: 36px;
                font-size: .95rem;
            }

            .article-hero h1 {
                font-size: 1.5rem;
            }

            .article-meta {
                gap: 10px;
            }

            .article-meta span {
                padding: 4px 12px;
                font-size: .82rem;
            }

            .article-main {
                padding: 24px 18px;
            }

            .article-body {
                font-size: .98rem;
                line-height: 1.85;
            }

            .article-body h2 {
                font-size: 1.3rem;
            }

            .article-not-found {
                padding: 48px 20px;
            }

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

/* roulang page: category2 */
:root {
            --primary: #0E2A47;
            --primary-light: #1B3F63;
            --primary-dark: #081E33;
            --primary-soft: #F0F4F8;
            --accent: #E8953C;
            --accent-light: #F4B069;
            --accent-dark: #C9761E;
            --bg: #F6F8FB;
            --text: #1A2530;
            --text-weak: #5C6B7A;
            --border: #E3E8EF;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 12px 32px rgba(14, 42, 71, 0.08);
            --shadow-lift: 0 18px 44px rgba(14, 42, 71, 0.14);
            --section-gap: 96px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: var(--text);
            background: var(--bg);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: min(1200px, 92%);
            margin-inline: auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 20px rgba(14, 42, 71, .06);
        }

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

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.32rem;
            color: var(--primary);
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 999px;
            font-weight: 500;
            font-size: .95rem;
            color: var(--text);
            transition: background .25s ease, color .25s ease, transform .2s ease;
        }

        .nav-link:hover {
            background: var(--primary-soft);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(14, 42, 71, .22);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-toggle,
        .menu-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            transition: background .25s ease, transform .2s ease;
        }

        .search-toggle:hover,
        .menu-toggle:hover {
            background: var(--primary);
            color: #fff;
        }

        .menu-toggle {
            display: none;
        }

        .page-hero {
            background: linear-gradient(135deg, rgba(14, 42, 71, .98) 0%, rgba(27, 63, 99, .94) 60%, rgba(14, 42, 71, .92) 100%);
            position: relative;
            overflow: hidden;
            padding: 72px 0 80px;
            color: #fff;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            top: -60%;
            right: -20%;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 149, 60, .22), transparent 65%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 2;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .85rem;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 18px;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, .85);
            transition: color .2s;
        }

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

        .breadcrumb-nav .sep {
            font-size: .7rem;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .2);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: .82rem;
            color: var(--accent-light);
            margin-bottom: 16px;
        }

        .page-hero h1 {
            font-size: clamp(2.4rem, 5vw, 3.6rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: 2px;
            margin-bottom: 16px;
        }

        .hero-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, .82);
            max-width: 540px;
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 999px;
            font-weight: 600;
            font-size: .93rem;
            transition: all .25s ease;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 20px rgba(232, 149, 60, .35);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(232, 149, 60, .45);
        }

        .btn-ghost {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .45);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .1);
            border-color: var(--accent-light);
            color: var(--accent-light);
            transform: translateY(-2px);
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: .82rem;
            color: #fff;
        }

        .badge i {
            color: var(--accent-light);
        }

        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
        }

        .hero-img-wrap {
            position: relative;
            width: 100%;
            max-width: 460px;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 30px 60px rgba(0, 0, 0, .28);
            border: 3px solid rgba(255, 255, 255, .18);
        }

        .hero-img-wrap img {
            width: 100%;
            min-height: 300px;
            object-fit: cover;
        }

        .hero-img-float {
            position: absolute;
            left: 18px;
            bottom: 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(8px);
            padding: 12px 18px;
            border-radius: 16px;
            box-shadow: 0 10px 24px rgba(0, 0, 0, .16);
            color: var(--text);
        }

        .float-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: var(--accent-light);
            border-radius: 10px;
            font-size: 1rem;
        }

        .hero-img-float strong {
            display: block;
            font-size: .88rem;
            line-height: 1.3;
        }

        .hero-img-float small {
            font-size: .76rem;
            color: var(--text-weak);
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-light {
            background: #fff;
        }

        .section-head {
            max-width: 680px;
            margin-bottom: 44px;
        }

        .section-head.center {
            margin-inline: auto;
            text-align: center;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .82rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 10px;
            text-transform: uppercase;
        }

        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-weak);
            font-size: .98rem;
            line-height: 1.7;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 14px;
            font-weight: 700;
        }

        .about-content>p {
            color: var(--text-weak);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .feature-list {
            display: grid;
            gap: 18px;
        }

        .feature-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 20px;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .feature-list li:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lift);
        }

        .feature-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 12px;
            font-size: 1.1rem;
        }

        .feature-list strong {
            display: block;
            font-size: .98rem;
            color: var(--primary);
            margin-bottom: 2px;
        }

        .feature-list p {
            font-size: .86rem;
            color: var(--text-weak);
            line-height: 1.5;
        }

        .about-visual {
            position: relative;
        }

        .about-visual img {
            border-radius: 24px;
            box-shadow: var(--shadow-lift);
            width: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .about-visual::after {
            content: "";
            position: absolute;
            inset: -14px auto auto -14px;
            width: 70%;
            height: 70%;
            background: var(--accent);
            border-radius: 24px;
            opacity: .12;
            z-index: -1;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .info-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
            display: flex;
            flex-direction: column;
        }

        .info-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lift);
        }

        .card-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .info-card:hover .card-thumb img {
            transform: scale(1.05);
        }

        .card-cat {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            font-size: .74rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(232, 149, 60, .4);
        }

        .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-body h3 {
            font-size: 1.04rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .card-body h3 a {
            transition: color .2s;
        }

        .card-body h3 a:hover {
            color: var(--accent);
        }

        .card-body p {
            font-size: .88rem;
            color: var(--text-weak);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 18px;
        }

        .card-meta {
            display: flex;
            gap: 16px;
            font-size: .78rem;
            color: var(--text-weak);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: 999px;
            font-weight: 600;
            font-size: .9rem;
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
            transition: all .25s ease;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .topics-wrap {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        .topic-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 10px 22px;
            font-size: .9rem;
            font-weight: 500;
            color: var(--primary);
            box-shadow: var(--shadow-card);
            transition: all .25s ease;
        }

        .topic-chip i {
            color: var(--accent);
        }

        .topic-chip:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lift);
        }

        .topic-chip:hover i {
            color: var(--accent-light);
        }

        .stats-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            right: -120px;
            bottom: -120px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(232, 149, 60, .18);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 36px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .stat-item {
            padding: 24px 16px;
        }

        .stat-num {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.2;
            color: #fff;
        }

        .stat-num span {
            color: var(--accent-light);
        }

        .stat-label {
            font-size: .9rem;
            color: rgba(255, 255, 255, .75);
            margin-top: 6px;
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow .25s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-lift);
        }

        .faq-toggle {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            background: transparent;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            text-align: left;
            gap: 16px;
        }

        .faq-toggle .fa-icon {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            border-radius: 50%;
            transition: transform .3s ease, background .3s ease;
        }

        .faq-item.open .faq-toggle .fa-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: #fff;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            background: var(--primary-soft);
        }

        .faq-body-inner {
            padding: 18px 24px 22px;
            font-size: .92rem;
            color: var(--text-weak);
            line-height: 1.8;
            border-top: 1px solid var(--border);
        }

        .cta-section {
            background: #fff;
            padding: 90px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 28px;
            padding: 54px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
            color: #fff;
            box-shadow: 0 24px 64px rgba(14, 42, 71, .3);
            position: relative;
            overflow: hidden;
        }

        .cta-box::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(232, 149, 60, .22);
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-content h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, .8);
            font-size: .95rem;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            flex-shrink: 0;
        }

        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .72);
            padding: 70px 0 0;
            font-size: .9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand p {
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 18px;
            font-weight: 600;
        }

        .footer-col ul {
            display: grid;
            gap: 10px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, .65);
            transition: color .2s ease, padding-left .2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 22px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: .82rem;
            color: rgba(255, 255, 255, .45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .55);
        }

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

        .section-footer-cta {
            padding: 40px 0 0;
            background: var(--primary-dark);
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-visual {
                order: -1;
            }
            .hero-img-wrap {
                max-width: 100%;
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 72px;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 20px;
                gap: 8px;
                box-shadow: 0 24px 48px rgba(14, 42, 71, .18);
                transform: translateY(-12px);
                opacity: 0;
                visibility: hidden;
                transition: all .3s ease;
                border-bottom: 1px solid var(--border);
                border-radius: 0 0 16px 16px;
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-link {
                padding: 14px 18px;
                border-radius: 12px;
                font-size: 1rem;
            }

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

            .search-toggle {
                display: none;
            }

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

            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .cta-box {
                flex-direction: column;
                text-align: center;
                padding: 40px 28px;
            }

            .cta-actions {
                justify-content: center;
            }

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

            .page-hero h1 {
                font-size: 2rem;
            }

            .hero-img-wrap img {
                min-height: 220px;
            }
        }

        @media (max-width: 520px) {
            .nav-container {
                gap: 12px;
            }

            .logo {
                font-size: 1.08rem;
            }

            .logo i {
                font-size: 1.2rem;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions .btn {
                justify-content: center;
                width: 100%;
            }

            .badge {
                font-size: .75rem;
                padding: 5px 10px;
            }

            .section-head h2 {
                font-size: 1.45rem;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .stat-num {
                font-size: 1.9rem;
            }

            .topic-chip {
                padding: 8px 16px;
                font-size: .82rem;
            }

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