/* roulang page: index */
:root {
  --cream: #F6F2EA;
  --ink: #1B1712;
  --muted: #6F675B;
  --line: #E7DFD3;
  --brand: #E8542B;
  --brand-dark: #C94420;
  --gold: #C9A24B;
  --trust: #1B8F7E;
  --night: #1A1512;
  --shadow-card: 0 8px 30px rgba(27, 23, 18, 0.05);
  --shadow-card-hover: 0 16px 40px rgba(27, 23, 18, 0.10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
::selection { background: var(--brand); color: #fff; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 4px; }

.header-solid { background: rgba(246, 242, 234, 0.96); }
.nav-link {
  position: relative;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  padding: 8px 4px;
  transition: color .2s ease, background .2s ease;
  border-radius: 6px;
}
.nav-link:hover { color: var(--brand-dark); background: rgba(27, 23, 18, 0.04); }
.nav-link.active { color: var(--brand); }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 6px;
  right: 6px;
  bottom: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--brand);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 8px 20px rgba(232, 84, 43, 0.25);
  transition: all .25s ease;
}
.btn-primary:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(232, 84, 43, 0.32);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  transition: all .25s ease;
}
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.08); border-color: #fff; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(232, 84, 43, 0.1);
  color: var(--brand);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.tag {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--cream);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  transition: all .2s ease;
}
.tag:hover { background: var(--brand); border-color: var(--brand); color: #fff; }

.hero-grid-bg {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.icon-soft-trust { background: rgba(27, 143, 126, 0.12); color: var(--trust); }
.icon-soft-brand { background: rgba(232, 84, 43, 0.12); color: var(--brand); }
.icon-soft-gold { background: rgba(201, 162, 75, 0.15); color: var(--gold); }

.game-card { transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.game-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(232, 84, 43, 0.6);
}
.card-media { overflow: hidden; }
.card-media img { transition: transform .45s ease; }
.game-card:hover .card-media img { transform: scale(1.05); }

.testimonial-card-anim { animation: fadeSlide .35s ease-out; }
@keyframes fadeSlide {
  from { opacity: 0; transform: translateX(8px); }
  to { opacity: 1; transform: translateX(0); }
}

.news-item { transition: background .2s ease; border-radius: 10px; }
.news-item:hover { background: var(--cream); }

.faq-item .faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-item.open .faq-answer { max-height: 400px; }
.faq-icon { transition: transform .3s ease, background .3s ease, color .3s ease; }
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--brand); color: #fff; border-color: var(--brand); }

.mobile-menu { display: none; }
.mobile-menu.open { display: block; animation: fadeIn .2s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@media (min-width: 1024px) {
  .mobile-menu { display: none !important; }
}

input:focus {
  box-shadow: 0 0 0 3px rgba(232, 84, 43, 0.15);
  border-color: var(--brand);
  outline: none;
}

/* roulang page: article */
:root {
    --bg: #F6F2EA;
    --white: #FFFFFF;
    --ink: #1B1712;
    --sub: #6F675B;
    --line: #E7DFD3;
    --brand: #E8542B;
    --brand-hover: #C94420;
    --gold: #C9A24B;
    --trust: #1B8F7E;
    --night: #1A1512;
    --radius: 10px;
    --radius-btn: 999px;
    --shadow-card: 0 8px 30px rgba(27, 23, 18, 0.05);
    --shadow-hover: 0 16px 40px rgba(27, 23, 18, 0.10);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

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

  a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
  }

  h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 800;
    line-height: 1.3;
  }

  p {
    margin: 0;
  }

  /* 导航 */
  .nav-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--sub);
    padding: 8px 6px;
    position: relative;
    border-radius: 6px;
    transition: color 0.2s ease, background 0.2s ease;
  }
  .nav-link:hover {
    color: var(--ink);
    background: rgba(27, 23, 18, 0.04);
  }
  .nav-link.active {
    color: var(--brand);
  }
  .nav-link.active::after {
    content: '';
    position: absolute;
    left: 6px;
    right: 6px;
    bottom: 0;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
  }

  /* 按钮 */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: var(--radius-btn);
    padding: 10px 24px;
    transition: all 0.2s ease-out;
    cursor: pointer;
    border: none;
    font-size: 15px;
    line-height: 1.5;
    white-space: nowrap;
  }
  .btn-primary {
    background: var(--brand);
    color: #fff;
  }
  .btn-primary:hover {
    background: var(--brand-hover);
    box-shadow: 0 10px 30px rgba(232, 84, 43, 0.25);
    transform: translateY(-1px);
  }
  .btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 4px 12px rgba(232, 84, 43, 0.2);
  }
  .btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.6);
    color: #fff;
    background: transparent;
  }
  .btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
  }
  .btn-outline-light {
    border: 1px solid var(--line);
    color: var(--ink);
    background: var(--white);
  }
  .btn-outline-light:hover {
    border-color: var(--brand);
    color: var(--brand);
    box-shadow: var(--shadow-card);
  }

  /* 卡片 */
  .card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: all 0.25s ease-out;
  }
  .card:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(232, 84, 43, 0.6);
    transform: translateY(-3px);
  }

  /* 徽章 */
  .badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    letter-spacing: 0.04em;
    background: rgba(232, 84, 43, 0.1);
    color: var(--brand);
    line-height: 1.4;
  }
  .badge-gold {
    background: rgba(201, 162, 75, 0.15);
    color: #8a6d2b;
  }
  .badge-trust {
    background: rgba(27, 143, 126, 0.12);
    color: var(--trust);
  }

  /* 输入框 */
  .input {
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: var(--white);
    padding: 0 14px;
    font-size: 14px;
    color: var(--ink);
    outline: none;
    transition: all 0.2s;
    width: 100%;
  }
  .input:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(232, 84, 43, 0.18);
  }
  .input::placeholder {
    color: #9b9387;
  }

  /* 文章正文排版 */
  .article-content {
    font-size: 17px;
    line-height: 1.8;
    color: var(--ink);
  }
  .article-content h2 {
    font-size: 24px;
    font-weight: 800;
    margin-top: 44px;
    margin-bottom: 18px;
    letter-spacing: -0.01em;
    line-height: 1.35;
  }
  .article-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 14px;
    line-height: 1.4;
  }
  .article-content p {
    margin-bottom: 24px;
  }
  .article-content ul,
  .article-content ol {
    margin: 0 0 24px 26px;
    padding: 0;
  }
  .article-content li {
    margin-bottom: 10px;
  }
  .article-content img {
    border-radius: 12px;
    margin: 32px 0;
    width: 100%;
    height: auto;
  }
  .article-content blockquote {
    border-left: 3px solid var(--brand);
    background: var(--bg);
    padding: 16px 20px;
    font-style: italic;
    margin: 28px 0;
    border-radius: 0 8px 8px 0;
    color: #4a443c;
  }
  .article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 15px;
    line-height: 1.6;
  }
  .article-content th {
    background: rgba(27, 23, 18, 0.06);
    padding: 12px 14px;
    text-align: left;
    font-weight: 700;
    border-bottom: 1px solid var(--line);
  }
  .article-content td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
  }
  .article-content pre {
    background: var(--night);
    color: #f5f0e8;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 28px 0;
    font-size: 14px;
    line-height: 1.7;
  }
  .article-content code {
    font-family: "SF Mono", "Fira Code", Consolas, monospace;
    font-size: 0.92em;
  }
  .article-content a {
    color: var(--brand);
    font-weight: 600;
    border-bottom: 1px solid rgba(232, 84, 43, 0.3);
    transition: border-color 0.2s;
  }
  .article-content a:hover {
    border-bottom-color: var(--brand);
  }
  .article-content hr {
    border: none;
    border-top: 1px solid var(--line);
    margin: 40px 0;
  }

  /* 移动端导航抽屉 */
  .mobile-nav-link {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
    transition: color 0.2s;
  }
  .mobile-nav-link:hover {
    color: var(--brand);
  }

  /* 焦点可见性 */
  a:focus-visible,
  button:focus-visible,
  input:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
  }

  @media (max-width: 768px) {
    .article-content {
      font-size: 16px;
    }
    .article-content h2 {
      font-size: 21px;
    }
    .article-content h3 {
      font-size: 18px;
    }
  }

/* roulang page: category2 */
:root {
            --warm: #F6F2EA;
            --ink: #1B1712;
            --sub: #6F675B;
            --line: #E7DFD3;
            --brand: #E8542B;
            --brandhover: #C94420;
            --gold: #C9A24B;
            --teal: #1B8F7E;
            --night: #1A1512;
            --radius: 10px;
            --radius-sm: 6px;
            --shadow: 0 8px 30px rgba(27, 23, 18, 0.05);
            --shadow-hover: 0 16px 40px rgba(27, 23, 18, 0.10);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--warm);
            color: var(--ink);
            font-size: 17px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease-out;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            padding: 10px 14px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
        }
        .nav-link:hover {
            background: rgba(27, 23, 18, 0.05);
        }
        .nav-link.active {
            color: var(--brand);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
        }
        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
        }
        .btn-brand:hover {
            background: var(--brandhover);
            box-shadow: 0 8px 20px rgba(232, 84, 43, 0.25);
        }
        .btn-brand:active {
            transform: translateY(1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: border-color 0.2s, background 0.2s;
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .card-hover {
            box-shadow: var(--shadow);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            transition: transform 0.25s ease-out, box-shadow 0.25s ease-out, border-color 0.25s;
        }
        .card-hover:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 84, 43, 0.6);
            transform: translateY(-4px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            background: rgba(232, 84, 43, 0.1);
            color: var(--brand);
        }
        .stat-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
        }
        .delimiter {
            width: 1px;
            background: var(--line);
        }
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .faq-item {
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: #fff;
            overflow: hidden;
            transition: border-color 0.2s;
        }
        .faq-item:hover {
            border-color: rgba(232, 84, 43, 0.4);
        }
        .faq-toggle {
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease-out;
        }
        .faq-item.open .faq-answer {
            max-height: 320px;
        }
        @media (max-width: 1023px) {
            .mobile-menu {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--warm);
                border-bottom: 1px solid var(--line);
                padding: 16px 24px 24px;
                z-index: 50;
                display: none;
            }
            .mobile-menu.open {
                display: block;
            }
            .desktop-nav {
                display: none;
            }
        }
        @media (min-width: 1024px) {
            .mobile-menu {
                display: none !important;
            }
            .desktop-nav {
                display: flex;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

/* roulang page: category1 */
:root {
      --bg-cream: #F6F2EA;
      --bg-white: #FFFFFF;
      --ink: #1B1712;
      --muted: #6F675B;
      --line: #E7DFD3;
      --brand: #E8542B;
      --brand-hover: #C94420;
      --gold: #C9A24B;
      --dark: #1A1512;
      --trust: #1B8F7E;
      --radius-card: 10px;
      --shadow-card: 0 8px 30px rgba(27, 23, 18, 0.05);
      --shadow-lift: 0 16px 40px rgba(27, 23, 18, 0.10);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      color: var(--ink);
      background: var(--bg-cream);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    a { text-decoration: none; color: inherit; }
    img { display: block; max-width: 100%; }
    .container-site {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    .nav-link {
      position: relative;
      font-size: 15px;
      font-weight: 600;
      color: var(--ink);
      padding: 8px 2px;
      transition: color .2s ease-out;
    }
    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 2px;
      background: var(--brand);
      border-radius: 2px;
      transform: scaleX(0);
      transform-origin: left center;
      transition: transform .2s ease-out;
    }
    .nav-link:hover { color: var(--brand); }
    .nav-link:hover::after { transform: scaleX(.4); }
    .nav-link.active { color: var(--brand); }
    .nav-link.active::after { transform: scaleX(1); }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--brand);
      color: #fff;
      font-weight: 700;
      font-size: 15px;
      padding: 13px 30px;
      border-radius: 999px;
      box-shadow: 0 8px 24px rgba(232, 84, 43, .22);
      transition: background .2s ease-out, box-shadow .2s ease-out, transform .15s ease-out;
    }
    .btn-primary:hover { background: var(--brand-hover); box-shadow: 0 12px 30px rgba(232, 84, 43, .30); }
    .btn-primary:active { transform: translateY(1px) scale(.99); }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      border: 1px solid var(--line);
      color: var(--ink);
      font-weight: 600;
      font-size: 14px;
      padding: 10px 22px;
      border-radius: 999px;
      background: #fff;
      transition: all .2s ease-out;
    }
    .btn-outline:hover { border-color: var(--brand); color: var(--brand); background: rgba(232, 84, 43, .05); }
    .btn-outline:active { transform: translateY(1px); }
    .tag {
      display: inline-flex;
      align-items: center;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: .04em;
      color: var(--muted);
      background: var(--bg-cream);
      border-radius: 6px;
      padding: 4px 10px;
      white-space: nowrap;
    }
    .card-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(232, 84, 43, .94);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: .04em;
      padding: 4px 10px;
      border-radius: 6px;
      z-index: 2;
    }
    .rank-num {
      position: absolute;
      top: 8px;
      right: 12px;
      font-size: 26px;
      font-weight: 900;
      color: rgba(255, 255, 255, .95);
      text-shadow: 0 1px 10px rgba(27, 23, 18, .35);
      letter-spacing: -.02em;
      z-index: 2;
    }
    .game-card {
      background: var(--bg-white);
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: border-color .25s ease-out, box-shadow .25s ease-out, transform .25s ease-out;
    }
    .game-card:hover {
      border-color: rgba(232, 84, 43, .55);
      box-shadow: var(--shadow-lift);
      transform: translateY(-4px);
    }
    .game-card .g-img { overflow: hidden; position: relative; }
    .game-card .g-img img { transition: transform .35s ease-out; }
    .game-card:hover .g-img img { transform: scale(1.05); }
    .stars {
      position: relative;
      display: inline-block;
      color: var(--gold);
      font-size: 15px;
      letter-spacing: 2px;
      line-height: 1;
    }
    .stars::before { content: "★★★★★"; }
    .score { font-size: 14px; color: var(--muted); margin-left: 6px; font-weight: 600; }
    .breadcrumb { font-size: 13px; font-weight: 500; color: var(--muted); display: flex; align-items: center; flex-wrap: wrap; }
    .breadcrumb a { color: var(--muted); transition: color .2s ease-out; }
    .breadcrumb a:hover { color: var(--brand); }
    .breadcrumb .sep { margin: 0 10px; color: var(--line); }
    .clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .feature-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
      padding: 22px 20px;
      border-radius: var(--radius-card);
      transition: background .2s ease-out, box-shadow .2s ease-out;
    }
    .feature-item:hover { background: var(--bg-cream); box-shadow: var(--shadow-card); }
    .feature-icon {
      width: 46px;
      height: 46px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(232, 84, 43, .08);
      color: var(--brand);
      border-radius: 10px;
    }
    .step-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      padding: 30px 26px;
      position: relative;
      transition: box-shadow .25s ease-out, transform .25s ease-out;
    }
    .step-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); }
    .step-num { font-size: 34px; font-weight: 900; color: rgba(232, 84, 43, .16); letter-spacing: -.02em; line-height: 1; }
    .faq-item {
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      background: #fff;
      overflow: hidden;
      transition: border-color .2s ease-out, box-shadow .2s ease-out;
    }
    .faq-item.open { border-color: rgba(232, 84, 43, .45); box-shadow: var(--shadow-card); }
    .faq-q {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 22px;
      background: none;
      border: none;
      text-align: left;
      font-size: 16px;
      font-weight: 700;
      color: var(--ink);
      cursor: pointer;
      transition: color .2s ease-out;
    }
    .faq-q:hover { color: var(--brand); }
    .faq-icon {
      flex-shrink: 0;
      width: 22px;
      height: 22px;
      color: var(--muted);
      transition: transform .25s ease-out, color .2s ease-out;
    }
    .faq-item.open .faq-icon { transform: rotate(45deg); color: var(--brand); }
    .faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease-out; }
    .faq-item.open .faq-a { max-height: 300px; }
    .faq-a-inner { padding: 0 22px 20px; font-size: 15px; line-height: 1.8; color: var(--muted); }
    .featured-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 14px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: box-shadow .25s ease-out, border-color .25s ease-out;
    }
    .featured-card:hover { box-shadow: var(--shadow-lift); border-color: rgba(232, 84, 43, .4); }
    .search-box { position: relative; }
    .search-box input {
      width: 220px;
      height: 40px;
      padding: 0 14px 0 36px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #fff;
      font-size: 14px;
      color: var(--ink);
      transition: border-color .2s ease-out, box-shadow .2s ease-out;
    }
    .search-box input::placeholder { color: #A79E93; }
    .search-box input:focus {
      outline: none;
      border-color: var(--brand);
      box-shadow: 0 0 0 3px rgba(232, 84, 43, .15);
    }
    .search-box .search-icon {
      position: absolute;
      left: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--muted);
      pointer-events: none;
    }
    .mobile-menu .search-box { display: block; }
    .mobile-menu .search-box input { width: 100%; }
    .js .fade-up { opacity: 0; transform: translateY(16px); transition: opacity .6s ease-out, transform .6s ease-out; }
    .js .fade-up.visible { opacity: 1; transform: translateY(0); }
    a:focus-visible, button:focus-visible, input:focus-visible {
      outline: 2px solid var(--brand);
      outline-offset: 2px;
      border-radius: 4px;
    }
    @media (max-width: 1023px) {
      .container-site { padding-left: 20px; padding-right: 20px; }
    }
    @media (max-width: 767px) {
      .container-site { padding-left: 16px; padding-right: 16px; }
    }

/* roulang page: category3 */
/* ===== Design Variables ===== */
    :root {
      --bg-ivory: #F6F2EA;
      --bg-white: #FFFFFF;
      --text-ink: #1B1712;
      --text-muted: #6F675B;
      --border-line: #E7DFD3;
      --brand: #E8542B;
      --brand-hover: #C94420;
      --gold: #C9A24B;
      --success: #1B8F7E;
      --night: #1A1512;
      --radius: 10px;
      --radius-sm: 8px;
      --radius-full: 999px;
      --shadow-card: 0 8px 30px rgba(27, 23, 18, 0.05);
      --shadow-card-hover: 0 16px 40px rgba(27, 23, 18, 0.10);
      --transition: 0.22s ease-out;
    }

    /* ===== Reset / Base ===== */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      background: var(--bg-ivory);
      color: var(--text-ink);
      font-size: 17px;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

    input {
      font-family: inherit;
    }

    /* ===== Typography Helpers ===== */
    .section-title {
      font-size: 28px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.01em;
    }

    @media (min-width: 768px) {
      .section-title {
        font-size: 34px;
      }
    }

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

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

    /* ===== Navbar ===== */
    .nav-link {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-muted);
      padding: 8px 14px;
      border-radius: 8px;
      transition: color var(--transition), background-color var(--transition);
      position: relative;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: var(--text-ink);
      background: rgba(27, 23, 18, 0.045);
    }

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

    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 0;
      height: 2px;
      background: var(--brand);
      border-radius: 2px;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--brand);
      color: #fff;
      font-size: 14px;
      font-weight: 700;
      padding: 10px 20px;
      border-radius: var(--radius-full);
      transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
      box-shadow: 0 4px 14px rgba(232, 84, 43, 0.25);
      white-space: nowrap;
    }

    .btn-primary:hover {
      background: var(--brand-hover);
      box-shadow: 0 6px 20px rgba(232, 84, 43, 0.32);
      transform: translateY(-1px);
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 3px 10px rgba(232, 84, 43, 0.25);
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: transparent;
      color: var(--text-ink);
      border: 1.5px solid var(--border-line);
      font-size: 14px;
      font-weight: 600;
      padding: 10px 20px;
      border-radius: var(--radius-full);
      transition: border-color var(--transition), background var(--transition), color var(--transition);
      white-space: nowrap;
    }

    .btn-outline:hover {
      border-color: var(--brand);
      color: var(--brand);
      background: rgba(232, 84, 43, 0.04);
    }

    .btn-outline-light {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: transparent;
      color: #fff;
      border: 1.5px solid rgba(255, 255, 255, 0.45);
      font-size: 14px;
      font-weight: 600;
      padding: 10px 20px;
      border-radius: var(--radius-full);
      transition: all var(--transition);
      white-space: nowrap;
    }

    .btn-outline-light:hover {
      border-color: #fff;
      background: rgba(255, 255, 255, 0.08);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.03em;
      padding: 4px 10px;
      border-radius: 6px;
      line-height: 1.4;
    }

    .badge-white {
      background: rgba(255, 255, 255, 0.95);
      color: var(--text-ink);
      box-shadow: 0 2px 8px rgba(27, 23, 18, 0.08);
    }

    .badge-brand {
      background: rgba(232, 84, 43, 0.12);
      color: var(--brand);
    }

    .badge-gold {
      background: rgba(201, 162, 75, 0.14);
      color: #A67C2E;
    }

    .badge-success {
      background: rgba(27, 143, 126, 0.12);
      color: var(--success);
    }

    /* ===== Mobile menu ===== */
    .mobile-menu-panel {
      display: none;
    }

    .mobile-menu-panel.open {
      display: block;
      animation: fadeInDown 0.25s ease-out;
    }

    @keyframes fadeInDown {
      from {
        opacity: 0;
        transform: translateY(-10px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* ===== FAQ Accordion ===== */
    .faq-item .faq-answer-inner {
      overflow: hidden;
    }

    .faq-item .faq-answer-grid {
      display: grid;
      grid-template-rows: 0fr;
      transition: grid-template-rows 0.32s ease;
    }

    .faq-item.active .faq-answer-grid {
      grid-template-rows: 1fr;
    }

    .faq-icon {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--bg-ivory);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      color: var(--brand);
      font-weight: 500;
      transition: transform 0.3s ease, background 0.3s ease;
      flex-shrink: 0;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      background: var(--brand);
      color: #fff;
    }

    /* ===== Card ===== */
    .card-hover {
      transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
    }

    .card-hover:hover {
      box-shadow: var(--shadow-card-hover);
      border-color: rgba(232, 84, 43, 0.6);
      transform: translateY(-2px);
    }

    /* ===== Progress resource line ===== */
    .progress-mini {
      height: 5px;
      border-radius: 999px;
      background: var(--border-line);
      overflow: hidden;
    }

    .progress-mini > span {
      display: block;
      height: 100%;
      border-radius: 999px;
      background: var(--gold);
    }

    /* ===== Search ===== */
    .search-box {
      position: relative;
    }

    .search-box input {
      height: 40px;
      width: 220px;
      padding: 0 14px 0 38px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-line);
      background: #fff;
      font-size: 14px;
      color: var(--text-ink);
      outline: none;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .search-box input::placeholder {
      color: #9A9287;
    }

    .search-box input:focus {
      border-color: var(--brand);
      box-shadow: 0 0 0 3px rgba(232, 84, 43, 0.15);
    }

    .search-box svg {
      position: absolute;
      left: 13px;
      top: 50%;
      transform: translateY(-50%);
      width: 16px;
      height: 16px;
      color: var(--text-muted);
      pointer-events: none;
      transition: color var(--transition);
    }

    .search-box input:focus+svg {
      color: var(--brand);
    }

    /* ===== Page banner ===== */
    .page-banner {
      background: var(--bg-ivory);
      border-bottom: 1px solid var(--border-line);
    }

    /* ===== FAQ / Content ===== */
    .faq-wrap {
      margin-top: 48px;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--border-line);
      border-radius: var(--radius);
      overflow: hidden;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .faq-item:hover {
      border-color: rgba(232, 84, 43, 0.35);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      text-align: left;
      transition: background var(--transition);
    }

    .faq-question:hover {
      background: rgba(246, 242, 234, 0.35);
    }

    .faq-question span:first-child {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-ink);
      line-height: 1.5;
    }

    .faq-answer {
      padding: 0 24px;
    }

    .faq-answer p {
      padding-bottom: 22px;
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1023px) {
      .desktop-nav,
      .desktop-actions {
        display: none !important;
      }
    }

    @media (min-width: 1024px) {
      .mobile-nav-toggle {
        display: none !important;
      }
      .mobile-menu-panel {
        display: none !important;
      }
    }

    @media (max-width: 520px) {
      body {
        font-size: 15px;
      }

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

      .btn-primary,
      .btn-outline,
      .btn-outline-light {
        width: 100%;
        padding: 12px 20px;
        font-size: 15px;
      }

      .faq-question {
        padding: 18px 18px;
      }

      .faq-question span:first-child {
        font-size: 15px;
      }

      .faq-answer {
        padding: 0 18px;
      }
    }

    /* ===== Focus accessibility ===== */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 3px solid rgba(232, 84, 43, 0.3);
      outline-offset: 2px;
    }

    /* ===== Section spacing ===== */
    .section-block {
      padding-top: 72px;
      padding-bottom: 72px;
    }

    @media (min-width: 768px) {
      .section-block {
        padding-top: 96px;
        padding-bottom: 96px;
      }
    }

    /* ===== Hero fade-up animation ===== */
    .animate-fade-up {
      animation: fadeUp 0.6s ease-out both;
    }

    .delay-100 {
      animation-delay: 0.1s;
    }

    .delay-200 {
      animation-delay: 0.2s;
    }

    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(16px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }