/* roulang page: index */
:root {
    --primary: #E8481C;
    --primary-dark: #C93A12;
    --secondary: #0E6B5C;
    --accent: #FFB300;
    --bg: #F7F6F3;
    --dark: #161A19;
    --ink: #1A1D1C;
    --body: #3D4140;
    --muted: #6B7070;
    --placeholder: #A4A8A8;
    --border: #E6E3DF;
    --radius-card: 16px;
    --radius-btn: 12px;
    --shadow-sm: 0 1px 3px rgba(22, 26, 25, .06);
    --shadow-lg: 0 12px 24px rgba(22, 26, 25, .08);
    --transition: 150ms ease;
  }
  * {
    box-sizing: border-box;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    margin: 0;
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--body);
    background: var(--bg);
  }
  img {
    max-width: 100%;
    display: block;
  }
  a {
    text-decoration: none;
    color: inherit;
    transition: color .15s ease;
  }
  button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
  }
  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }
  .font-num {
    font-family: 'DIN Alternate', 'Bebas Neue', sans-serif;
    letter-spacing: .5px;
  }
  .topbar {
    background: var(--dark);
    color: rgba(255, 255, 255, .72);
    font-size: 12px;
    height: 36px;
  }
  .topbar a {
    color: rgba(255, 255, 255, .72);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 6px;
    border-radius: 6px;
    transition: color .15s, background .15s;
  }
  .topbar a:hover {
    color: #fff;
    background: rgba(255, 255, 255, .08);
  }
  .site-header {
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--border);
    transition: box-shadow .2s;
  }
  .site-header.scrolled {
    box-shadow: 0 8px 24px rgba(22, 26, 25, .08);
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #FF6A3D);
    color: #fff;
    font-weight: 800;
    font-size: 17px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(232, 72, 28, .3);
    flex-shrink: 0;
  }
  .brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }
  .brand-text strong {
    font-size: 17px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: .5px;
  }
  .brand-text small {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 1px;
    margin-top: 1px;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    padding: 8px 14px;
    border-radius: 8px;
    position: relative;
    transition: color .15s, background .15s;
    white-space: nowrap;
  }
  .nav-links a:hover {
    color: var(--primary);
    background: rgba(232, 72, 28, .06);
  }
  .nav-links a.active {
    color: var(--primary);
    font-weight: 700;
  }
  .nav-links a.active::after {
    content: '';
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 2px;
    height: 2px;
    border-radius: 2px;
    background: var(--primary);
  }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-btn);
    padding: 12px 26px;
    min-height: 44px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .15s ease;
    letter-spacing: .3px;
  }
  .btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(232, 72, 28, .2);
  }
  .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(232, 72, 28, .3);
  }
  .btn-primary:active {
    transform: translateY(0);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, .12);
  }
  .btn-outline-white {
    background: transparent;
    border-color: rgba(255, 255, 255, .6);
    color: #fff;
  }
  .btn-outline-white:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, .08);
    transform: translateY(-1px);
  }
  .btn-secondary {
    background: #fff;
    border-color: var(--border);
    color: var(--ink);
  }
  .btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
  }
  .btn-dark {
    background: var(--dark);
    color: #fff;
  }
  .btn-dark:hover {
    background: #222927;
  }
  .badge {
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    background: rgba(232, 72, 28, .1);
    color: var(--primary);
    transition: background .15s, color .15s;
    letter-spacing: .3px;
  }
  .badge:hover {
    background: var(--primary);
    color: #fff;
  }
  .badge-dark {
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    background: rgba(255, 255, 255, .12);
    color: rgba(255, 255, 255, .85);
  }
  .card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 24px;
    transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
  }
  .card:hover {
    border-color: rgba(232, 72, 28, .4);
    box-shadow: var(--shadow-lg);
  }
  .section-padding {
    padding: 96px 0;
  }
  .section-title-wrap {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 44px;
    gap: 20px;
  }
  .section-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: -.5px;
    line-height: 1.3;
    margin: 0;
    position: relative;
    padding-left: 14px;
  }
  .section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 4px;
    border-radius: 4px;
    background: var(--primary);
  }
  .section-subtitle {
    font-size: 15px;
    color: var(--muted);
    margin-top: 6px;
  }
  .service-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 24px;
    transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
    cursor: pointer;
  }
  .service-card:hover {
    border-color: rgba(232, 72, 28, .35);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
  }
  .service-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 22px;
    color: #fff;
  }
  .service-icon.orange {
    background: linear-gradient(135deg, var(--primary), #FF7A4D);
  }
  .service-icon.green {
    background: linear-gradient(135deg, var(--secondary), #12806F);
  }
  .service-icon.yellow {
    background: linear-gradient(135deg, #F59E0B, #FFB300);
  }
  .service-icon.dark {
    background: linear-gradient(135deg, var(--dark), #2A3231);
  }
  .featured-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    transition: box-shadow .2s ease, border-color .2s ease;
  }
  .featured-card:hover {
    border-color: rgba(232, 72, 28, .35);
    box-shadow: var(--shadow-lg);
  }
  .featured-thumb {
    height: 200px;
    overflow: hidden;
    position: relative;
  }
  .featured-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
  }
  .featured-card:hover .featured-thumb img {
    transform: scale(1.04);
  }
  .featured-body {
    padding: 24px;
  }
  .featured-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.4;
    margin: 12px 0 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .featured-summary {
    font-size: 14px;
    color: var(--body);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
  }
  .meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--muted);
  }
  .timeline-card {
    display: flex;
    gap: 16px;
    padding: 18px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    margin-bottom: 14px;
    transition: box-shadow .2s ease, border-color .2s ease;
  }
  .timeline-card:hover {
    border-color: rgba(232, 72, 28, .3);
    box-shadow: var(--shadow-lg);
  }
  .tl-date {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(232, 72, 28, .08);
    color: var(--primary);
  }
  .tl-day {
    font-family: 'DIN Alternate', sans-serif;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.1;
  }
  .tl-month {
    font-size: 11px;
    line-height: 1.2;
  }
  .tl-info {
    flex: 1;
    min-width: 0;
  }
  .tl-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.4;
    margin: 0 0 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .tl-summary {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
  }
  .tl-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: var(--muted);
  }
  .empty-state {
    border: 2px dashed var(--border);
    border-radius: 20px;
    background: #FBFAF7;
    padding: 60px 24px;
    text-align: center;
    color: var(--muted);
  }
  .empty-state .icon {
    font-size: 40px;
    margin-bottom: 12px;
  }
  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 8px;
    margin-bottom: 12px;
    transition: border-color .15s;
  }
  .faq-item.open {
    border-color: rgba(232, 72, 28, .3);
  }
  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    text-align: left;
    padding: 14px 16px;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    border-radius: 12px;
    transition: background .15s;
  }
  .faq-question:hover {
    background: rgba(232, 72, 28, .04);
  }
  .faq-question .plus {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(232, 72, 28, .1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    line-height: 1;
    transition: transform .25s ease, background .15s;
  }
  .faq-item.open .faq-question .plus {
    transform: rotate(45deg);
    background: var(--primary);
    color: #fff;
  }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }
  .faq-item.open .faq-answer {
    max-height: 300px;
  }
  .faq-answer-inner {
    padding: 0 16px 16px 20px;
    font-size: 14px;
    color: var(--body);
    line-height: 1.7;
    border-left: 3px solid var(--primary);
    margin-left: 22px;
  }
  .testimonial-wrap {
    position: relative;
    max-width: 720px;
    margin: 0 auto;
  }
  .testimonial-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow-sm);
  }
  .testimonial-card .stars {
    color: var(--accent);
    letter-spacing: 3px;
    font-size: 18px;
    margin-bottom: 14px;
  }
  .testimonial-card blockquote {
    font-size: 15px;
    color: var(--body);
    line-height: 1.8;
    margin: 12px 0 20px;
  }
  .testimonial-card .author {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
  }
  .testimonial-card .author span {
    display: block;
    font-size: 13px;
    font-weight: 400;
    color: var(--muted);
    margin-top: 2px;
  }
  .testimonial-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--body);
    transition: all .15s ease;
    z-index: 2;
  }
  .testimonial-arrow:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
  }
  .testimonial-arrow.prev {
    left: -20px;
  }
  .testimonial-arrow.next {
    right: -20px;
  }
  .trust-item {
    text-align: center;
    padding: 16px;
  }
  .trust-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(232, 72, 28, .1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    font-size: 22px;
  }
  .footer {
    background: var(--dark);
    color: rgba(255, 255, 255, .72);
    font-size: 14px;
  }
  .footer a {
    color: rgba(255, 255, 255, .72);
  }
  .footer a:hover {
    color: #fff;
  }
  .footer h4 {
    color: rgba(255, 255, 255, .95);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
  }
  .footer .link-list a {
    display: block;
    padding: 6px 0;
    font-size: 14px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 20px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, .5);
  }
  .cta-strip {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 20px;
    padding: 48px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    color: #fff;
  }
  .cta-strip h2 {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 8px;
  }
  .cta-strip p {
    color: rgba(255, 255, 255, .85);
    font-size: 15px;
  }
  .mobile-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100%;
    background: #fff;
    z-index: 100;
    transition: right .3s ease;
    box-shadow: -10px 0 30px rgba(0, 0, 0, .15);
    padding: 28px;
    display: flex;
    flex-direction: column;
  }
  .mobile-drawer.open {
    right: 0;
  }
  .drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .6);
    z-index: 90;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s;
  }
  .drawer-overlay.show {
    opacity: 1;
    pointer-events: auto;
  }
  .mobile-nav a {
    display: block;
    padding: 14px 12px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
    border-bottom: 1px solid #f0f0f0;
  }
  .mobile-nav a:hover {
    background: rgba(232, 72, 28, .06);
    color: var(--primary);
  }
  .mobile-nav a.active {
    color: var(--primary);
    font-weight: 700;
    background: rgba(232, 72, 28, .06);
  }
  @media (max-width: 1024px) {
    .section-padding {
      padding: 64px 0;
    }
    .nav-links.desktop-nav {
      display: none;
    }
    .section-title {
      font-size: 24px;
    }
    .cta-strip {
      flex-direction: column;
      text-align: center;
      padding: 40px 28px;
    }
  }
  @media (max-width: 640px) {
    .container {
      padding-left: 16px;
      padding-right: 16px;
    }
    .section-padding {
      padding: 52px 0;
    }
    .section-title-wrap {
      flex-direction: column;
      align-items: flex-start;
      margin-bottom: 36px;
    }
    .brand-text strong {
      font-size: 16px;
    }
    .brand-text small {
      font-size: 10px;
    }
    .topbar .topbar-right {
      display: none;
    }
    .topbar {
      justify-content: center;
    }
    .hero-actions {
      flex-direction: column;
      align-items: stretch;
    }
    .hero-actions .btn {
      width: 100%;
    }
    .cta-strip {
      padding: 32px 22px;
    }
    .testimonial-arrow.prev {
      left: -8px;
    }
    .testimonial-arrow.next {
      right: -8px;
    }
  }
  .focus-outline:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
  }
  a:focus-visible,
  button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
  }
  .hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 44px;
    max-width: 560px;
  }
  .hero-metric {
    background: rgba(22, 26, 25, .7);
    padding: 18px 20px;
    text-align: center;
  }
  .hero-metric .num {
    font-family: 'DIN Alternate', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
  }
  .hero-metric .label {
    font-size: 12px;
    color: rgba(255, 255, 255, .65);
    margin-top: 2px;
  }
  @media (max-width: 640px) {
    .hero-metrics {
      grid-template-columns: repeat(3, 1fr);
    }
    .hero-metric {
      padding: 12px 10px;
    }
    .hero-metric .num {
      font-size: 20px;
    }
    .hero-metric .label {
      font-size: 11px;
    }
  }

/* roulang page: category1 */
:root {
  --primary: #E8481C;
  --primary-dark: #C93A12;
  --secondary: #0E6B5C;
  --accent: #FFB300;
  --bg: #F7F6F3;
  --ink: #1A1D1C;
  --body: #3D4140;
  --muted: #6B7070;
  --line: #E6E3DF;
  --dark: #161A19;
  --card-shadow: 0 1px 3px rgba(22,26,25,.06);
  --card-shadow-hover: 0 12px 24px rgba(22,26,25,.08);
  --radius-card: 16px;
  --radius-btn: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background: var(--bg);
  color: var(--body);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
@media (max-width:768px) { .container { padding: 0 16px; } }

/* 顶部信息条 */
.topbar { background: var(--dark); color: rgba(255,255,255,.7); font-size: 12px; height: 36px; display: flex; align-items: center; overflow: hidden; }
.topbar a { color: rgba(255,255,255,.7); text-decoration: none; transition: color .2s ease; }
.topbar a:hover { color: var(--primary); }

/* 导航 */
.site-header { position: sticky; top: 0; z-index: 50; background: #F7F6F3; border-bottom: 1px solid var(--line); transition: box-shadow .2s ease; }
.site-header.scrolled { box-shadow: 0 8px 24px rgba(22,26,25,.08); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-icon { width: 40px; height: 40px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 20px; font-weight: 800; flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 20px; color: var(--ink); font-weight: 800; letter-spacing: -0.3px; }
.brand-text small { font-size: 12px; color: var(--muted); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-size: 15px; font-weight: 500; color: var(--body); text-decoration: none; position: relative; padding: 6px 2px; transition: color .15s ease; white-space: nowrap; }
.nav-links a:hover { color: var(--primary); }
.nav-links a.active { color: var(--primary); font-weight: 600; }
.nav-links a.active::after { content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--primary); border-radius: 2px; }

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 22px; border-radius: var(--radius-btn); font-size: 15px; font-weight: 600; letter-spacing: .3px; text-decoration: none; transition: all .2s ease; cursor: pointer; border: none; gap: 6px; min-width: 44px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(232,72,28,.3); }
.btn-primary:active { transform: translateY(0); box-shadow: inset 0 2px 4px rgba(0,0,0,.15); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.7); }
.btn-outline:hover { border-color: #fff; color: #fff; transform: translateY(-1px); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* 分类 Hero */
.category-hero { position: relative; min-height: 280px; display: flex; align-items: center; overflow: hidden; background: var(--dark); }
.category-hero::before { content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.webp'); background-size: cover; background-position: center; filter: sepia(.15) saturate(1.1); opacity: .35; }
.category-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(22,26,25,.92) 0%, rgba(22,26,25,.6) 55%, rgba(22,26,25,.25) 100%); }
.category-hero .container { position: relative; z-index: 2; }
@media (max-width:768px) { .category-hero { min-height: 230px; } .category-hero h1 { font-size: 28px !important; } }

/* 板块标题 */
.section-title { font-size: 30px; font-weight: 800; color: var(--ink); line-height: 1.3; letter-spacing: -0.5px; }
.section-title::before { content: ''; display: inline-block; width: 4px; height: 24px; background: var(--primary); border-radius: 4px; margin-right: 12px; vertical-align: -3px; }
.section-sub { font-size: 15px; color: var(--muted); margin-top: 8px; }
@media (max-width:768px) { .section-title { font-size: 24px; } .section-title::before { height: 18px; } }

/* 卡片 */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card); overflow: hidden; transition: all .25s ease; }
.card:hover { border-color: var(--primary); box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }
.card img { transition: transform .3s ease; }
.card:hover img { transform: scale(1.03); }
.content-card h3 { font-size: 18px; font-weight: 700; color: var(--ink); line-height: 1.4; transition: color .2s ease; }
.content-card:hover h3 { color: var(--primary); }
.content-card p { font-size: 14px; color: var(--muted); line-height: 1.7; margin-top: 8px; }
.content-card .card-body { padding: 20px; }

/* 徽章 / 标签 */
.badge { display: inline-flex; align-items: center; height: 26px; padding: 0 12px; border-radius: 999px; background: rgba(232,72,28,.1); color: var(--primary); font-size: 12px; font-weight: 600; transition: all .15s ease; }
.badge:hover { background: var(--primary); color: #fff; }

/* FAQ */
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 8px; transition: box-shadow .2s ease; }
.faq-item:hover { box-shadow: var(--card-shadow-hover); }
.faq-q { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; font-size: 16px; font-weight: 600; color: var(--ink); cursor: pointer; background: none; border: none; width: 100%; text-align: left; border-radius: 10px; transition: background .2s ease; }
.faq-q:hover { background: rgba(232,72,28,.04); }
.faq-icon { width: 24px; height: 24px; border-radius: 6px; background: rgba(232,72,28,.1); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 16px; transition: transform .25s ease; flex-shrink: 0; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; font-size: 14px; color: var(--body); line-height: 1.7; border-left: 3px solid var(--primary); margin: 0 18px; padding-left: 14px; }

/* CTA 渐变 */
.cta-gradient { background: linear-gradient(135deg, #E8481C, #C93A12); border-radius: 20px; }
.cta-btn { background: #fff; color: var(--primary); }
.cta-btn:hover { background: var(--dark); color: #fff; transform: translateY(-1px); }

/* 保障条图标 */
.trust-icon { width: 48px; height: 48px; border-radius: 50%; background: rgba(232,72,28,.1); display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--primary); flex-shrink: 0; }

/* Footer */
.footer { background: var(--dark); color: rgba(255,255,255,.7); }
.footer a { transition: color .2s ease; color: rgba(255,255,255,.6); text-decoration: none; }
.footer a:hover { color: #fff; }

/* 移动端抽屉 */
.mobile-drawer { position: fixed; top: 0; right: -300px; width: 280px; height: 100vh; background: #fff; z-index: 100; transition: right .3s ease; padding: 24px; box-shadow: -8px 0 24px rgba(0,0,0,.1); }
.mobile-drawer.open { right: 0; }
.drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 99; opacity: 0; visibility: hidden; transition: all .3s ease; }
.drawer-overlay.open { opacity: 1; visibility: visible; }
.mobile-drawer nav a { display: block; padding: 12px 16px; font-size: 16px; font-weight: 500; color: var(--ink); text-decoration: none; border-radius: 10px; transition: background .2s ease; }
.mobile-drawer nav a:hover { background: rgba(232,72,28,.06); color: var(--primary); }
.mobile-drawer nav a.active { background: rgba(232,72,28,.1); color: var(--primary); font-weight: 600; }

.font-num { font-family: 'DIN Alternate', 'Bebas Neue', sans-serif; font-weight: 700; }

/* 数据小卡 */
.stat-mini-card { border-radius: 16px; padding: 20px; transition: transform .25s ease, box-shadow .25s ease; }
.stat-mini-card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); }

/* 响应式辅助 */
@media (max-width:1024px) {
  .nav-links.desktop-nav { display: none; }
}
@media (max-width:520px) {
  .content-card h3 { font-size: 16px; }
  .faq-q { font-size: 15px; }
}

/* roulang page: article */
:root{
  --primary:#E8481C;
  --primary-dark:#C93A12;
  --secondary:#0E6B5C;
  --accent:#FFB300;
  --bg:#F7F6F3;
  --bg-orange:#FFF3EF;
  --dark:#161A19;
  --ink:#1A1D1C;
  --text:#3D4140;
  --text-weak:#6B7070;
  --placeholder:#A4A8A8;
  --border:#E6E3DF;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-sm:0 1px 3px rgba(22,26,25,.06);
  --shadow-md:0 12px 24px rgba(22,26,25,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:inherit}
input,textarea{font-family:inherit}
.font-num{font-family:'DIN Alternate','Bebas Neue','Arial Narrow',sans-serif;letter-spacing:.5px}
.text-ink{color:var(--ink)}
.text-weak{color:var(--text-weak)}
.border-line{border-color:var(--border)}
.bg-warm{background:var(--bg-orange)}
.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.filter-warm{filter:sepia(.15) saturate(1.1)}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,243,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(22,26,25,.08)}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-icon{
  width:38px;height:38px;border-radius:50%;
  background:linear-gradient(135deg,#F25A24,var(--primary-dark));
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;box-shadow:0 4px 12px rgba(232,72,28,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.3px}
.brand-text small{font-size:11px;color:var(--text-weak);letter-spacing:.4px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 16px;font-size:15px;font-weight:500;color:var(--text);
  border-radius:10px;transition:color .15s ease,background-color .15s ease;white-space:nowrap;
}
.nav-links a:hover{color:var(--primary);background:rgba(232,72,28,.05)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{
  content:'';position:absolute;left:16px;right:16px;bottom:3px;
  height:2px;border-radius:2px;background:var(--primary);
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 20px;border-radius:12px;
  font-size:15px;font-weight:600;letter-spacing:.5px;
  transition:all .15s ease;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 16px rgba(201,58,18,.25)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 4px rgba(0,0,0,.15)}
.focus-outline:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:10px}

/* 移动端抽屉 */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(22,26,25,.6);
  z-index:90;opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:85vw;
  background:#fff;z-index:100;transform:translateX(100%);
  transition:transform .3s ease;
  box-shadow:-12px 0 32px rgba(22,26,25,.1);
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer nav a{
  display:flex;align-items:center;padding:12px 16px;font-size:15px;
  color:var(--text);border-radius:10px;transition:all .15s ease;font-weight:500;
}
.drawer nav a:hover,.drawer nav a.active{color:var(--primary);background:rgba(232,72,28,.06)}

/* 面包屑 */
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--text-weak);padding:24px 0 0}
.breadcrumb a{color:var(--text-weak);transition:color .15s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .divider{color:var(--border)}
.breadcrumb .current{color:var(--primary);font-weight:500;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 分类徽章与元信息 */
.cat-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:rgba(232,72,28,.1);
  color:var(--primary);font-size:12px;font-weight:600;
}
.meta-item{display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--text-weak)}
.meta-item svg{width:14px;height:14px}

/* 正文 */
.article-content{font-size:16px;line-height:1.8;color:var(--text)}
.article-content p{margin-bottom:24px}
.article-content h2{font-size:24px;font-weight:700;color:var(--ink);margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--primary)}
.article-content h3{font-size:20px;font-weight:700;color:var(--ink);margin:28px 0 12px}
.article-content img{border-radius:12px;margin:24px 0;box-shadow:var(--shadow-sm);filter:sepia(.15) saturate(1.1)}
.article-content blockquote{border-left:3px solid var(--primary);background:var(--bg-orange);padding:16px 20px;border-radius:0 12px 12px 0;color:var(--ink);font-weight:500;margin:24px 0}
.article-content ul,.article-content ol{margin:0 0 24px;padding-left:1.5em}
.article-content li{margin-bottom:8px}
.article-content a{color:var(--primary);font-weight:500}
.article-content a:hover{text-decoration:underline}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.article-content th,.article-content td{border:1px solid var(--border);padding:10px 12px;text-align:left}
.article-content th{background:var(--bg-orange);color:var(--ink);font-weight:600}

/* 标签 */
.tag-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(14,107,92,.08);color:var(--secondary);
  font-size:12px;font-weight:500;transition:all .15s ease;
}
.tag-pill:hover{background:var(--secondary);color:#fff}

/* 上一篇下一篇 */
.prev-next{background:transparent}
.prev-next svg{width:18px;height:18px;flex-shrink:0;margin-top:3px;color:var(--text-weak);transition:color .15s}
.prev-next:hover svg{color:var(--primary)}

/* 推荐卡片 */
.recommend-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;display:flex;flex-direction:row-reverse;min-height:150px;
  transition:all .2s ease;
}
.recommend-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.recommend-card .thumb{width:42%;flex-shrink:0;position:relative;overflow:hidden;min-height:130px}
.recommend-card .thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;filter:sepia(.15) saturate(1.1);transition:transform .3s ease}
.recommend-card:hover .thumb img{transform:scale(1.05)}
.recommend-card .content{flex:1;padding:18px;display:flex;flex-direction:column;justify-content:center}
.recommend-card .content h3{font-size:15px;font-weight:700;color:var(--ink);line-height:1.5}
.recommend-card .content p{font-size:13px;color:var(--text-weak);line-height:1.6}
.recommend-card .content .more{font-size:12px;color:var(--primary);font-weight:600}

/* CTA */
.cta-band{
  background:linear-gradient(120deg,#F25A24,var(--primary-dark));
  border-radius:var(--radius-lg);padding:56px 48px;position:relative;overflow:hidden;
}
.cta-band::before{
  content:'';position:absolute;right:-40px;top:-40px;width:180px;height:180px;
  border-radius:50%;background:rgba(255,255,255,.08);
}
.cta-band::after{
  content:'';position:absolute;left:-30px;bottom:-60px;width:140px;height:140px;
  border-radius:50%;background:rgba(255,255,255,.05);
}
.btn-cta-white{
  display:inline-flex;align-items:center;justify-content:center;position:relative;z-index:1;
  height:48px;padding:0 32px;border-radius:12px;background:#fff;color:var(--primary);
  font-size:16px;font-weight:700;letter-spacing:.5px;transition:all .2s ease;
}
.btn-cta-white:hover{background:var(--dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(22,26,25,.2)}

/* 页脚 */
.footer{background:var(--dark);color:rgba(255,255,255,.7)}
.footer a{color:rgba(255,255,255,.6);transition:color .15s}
.footer a:hover{color:#fff}
.footer .brand-icon{box-shadow:none}

/* 响应式 */
@media (max-width:640px){
  .cta-band{padding:40px 24px}
  .recommend-card{min-height:130px}
  .recommend-card .thumb{width:38%}
  .breadcrumb .current{max-width:180px}
  .article-content{font-size:15px}
}

/* roulang page: category2 */
:root {
      --primary: #E8481C;
      --primary-dark: #C93A12;
      --secondary: #0E6B5C;
      --accent: #FFB300;
      --bg: #F7F6F3;
      --ink: #1A1D1C;
      --body: #3D4140;
      --mute: #6B7070;
      --faint: #A4A8A8;
      --line: #E6E3DF;
      --dark: #161A19;
      --primary-soft: #FFF3EF;
      --radius-lg: 20px;
      --radius-md: 16px;
      --radius-btn: 12px;
      --shadow-card: 0 1px 3px rgba(22, 26, 25, .06);
      --shadow-hover: 0 12px 24px rgba(22, 26, 25, .08);
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
      background-color: var(--bg);
      color: var(--body);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      font-size: 16px;
    }

    img {
      max-width: 100%;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all .15s ease;
    }

    button {
      font-family: inherit;
      cursor: pointer;
      border: none;
      background: none;
    }

    input,
    select {
      font-family: inherit;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
    }

    .font-num {
      font-family: 'DIN Alternate', 'Bebas Neue', sans-serif;
      letter-spacing: .5px;
    }

    .site-header {
      background: #fff;
      border-bottom: 1px solid var(--line);
      position: sticky;
      top: 0;
      z-index: 1000;
      transition: box-shadow .2s ease;
      background-color: rgba(247, 246, 243, 0.95);
      backdrop-filter: blur(8px);
    }

    .site-header.scrolled {
      box-shadow: 0 8px 24px rgba(22, 26, 25, .08);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-icon {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 800;
      flex-shrink: 0;
      box-shadow: 0 4px 12px rgba(232, 72, 28, .25);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .brand-text strong {
      font-size: 18px;
      color: var(--ink);
      font-weight: 800;
      letter-spacing: .5px;
    }

    .brand-text small {
      font-size: 11px;
      color: var(--mute);
      letter-spacing: 1px;
      margin-top: 2px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-links a {
      padding: 10px 16px;
      font-size: 15px;
      font-weight: 600;
      color: var(--body);
      border-radius: 999px;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .nav-links a.active {
      color: var(--primary);
      background: var(--primary-soft);
      font-weight: 700;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-btn);
      padding: 10px 22px;
      min-height: 44px;
      transition: all .15s ease;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 4px 14px rgba(232, 72, 28, .25);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(232, 72, 28, .3);
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: inset 0 2px 4px rgba(0, 0, 0, .15);
    }

    .btn-outline {
      background: transparent;
      color: #fff;
      border: 1.5px solid rgba(255, 255, 255, .7);
    }

    .btn-outline:hover {
      border-color: #fff;
      color: #fff;
      background: rgba(255, 255, 255, .1);
    }

    .btn-light {
      background: #fff;
      color: var(--ink);
      box-shadow: 0 4px 14px rgba(0, 0, 0, .08);
    }

    .btn-light:hover {
      transform: translateY(-1px);
      background: #fbfaff;
      box-shadow: 0 8px 20px rgba(0, 0, 0, .1);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      height: 26px;
      padding: 0 12px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 600;
      background: var(--primary-soft);
      color: var(--primary);
      transition: all .15s ease;
    }

    .badge:hover {
      background: var(--primary);
      color: #fff;
    }

    .badge-secondary {
      background: rgba(14, 107, 92, .1);
      color: var(--secondary);
    }

    .badge-secondary:hover {
      background: var(--secondary);
      color: #fff;
    }

    .card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-card);
      transition: all .15s ease;
    }

    .card:hover {
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    .section-pad {
      padding: 96px 0;
    }

    .section-title-wrap {
      margin-bottom: 48px;
    }

    .section-title {
      font-size: 28px;
      font-weight: 800;
      color: var(--ink);
      letter-spacing: -0.5px;
      position: relative;
      padding-left: 18px;
      line-height: 1.3;
    }

    .section-title::before {
      content: '';
      position: absolute;
      left: 0;
      top: 4px;
      bottom: 4px;
      width: 4px;
      border-radius: 4px;
      background: var(--primary);
    }

    .section-sub {
      font-size: 15px;
      color: var(--mute);
      margin-top: 12px;
      max-width: 600px;
    }

    .icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 20px;
    }

    .icon-primary-soft {
      background: var(--primary-soft);
      color: var(--primary);
    }

    .icon-secondary-soft {
      background: rgba(14, 107, 92, .1);
      color: var(--secondary);
    }

    .hover-lift {
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .hover-lift:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .foot-link {
      color: rgba(255, 255, 255, .6);
      font-size: 14px;
      line-height: 2.2;
      transition: color .15s ease;
    }

    .foot-link:hover {
      color: #fff;
    }

    .footer {
      background: var(--dark);
      color: rgba(255, 255, 255, .7);
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 8px 20px;
      transition: border-color .2s ease;
    }

    .faq-item.open {
      border-color: var(--primary);
    }

    .faq-q {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 16px;
      font-weight: 700;
      color: var(--ink);
      cursor: pointer;
      padding: 14px 0;
      min-height: 48px;
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 8px;
      background: var(--primary-soft);
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      flex-shrink: 0;
      transition: transform .3s ease, background .3s ease;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: var(--primary);
      color: #fff;
    }

    .faq-a {
      max-height: 0;
      overflow: hidden;
      transition: max-height .3s ease;
      font-size: 14px;
      color: var(--body);
      line-height: 1.7;
      padding-left: 3px;
      border-left: 3px solid var(--primary);
      margin: 0 0 0 2px;
    }

    .faq-item.open .faq-a {
      max-height: 300px;
      padding: 4px 0 16px 12px;
    }

    .step-flow {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      position: relative;
      padding-bottom: 24px;
    }

    .step-flow:not(:last-child)::before {
      content: '';
      position: absolute;
      left: 23px;
      top: 46px;
      bottom: 0;
      width: 2px;
      background: linear-gradient(to bottom, var(--primary), rgba(232, 72, 28, .1));
    }

    .step-num {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      font-weight: 800;
      font-size: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      box-shadow: 0 6px 16px rgba(232, 72, 28, .3);
      z-index: 1;
    }

    .mobile-drawer {
      position: fixed;
      top: 0;
      right: -300px;
      width: 280px;
      height: 100%;
      background: #fff;
      z-index: 2000;
      transition: right .3s ease;
      box-shadow: -8px 0 24px rgba(0, 0, 0, .15);
      overflow-y: auto;
    }

    .mobile-drawer.open {
      right: 0;
    }

    .drawer-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, .5);
      z-index: 1999;
      opacity: 0;
      pointer-events: none;
      transition: opacity .3s ease;
    }

    .drawer-overlay.open {
      opacity: 1;
      pointer-events: auto;
    }

    .compare-card {
      border: 1px solid var(--line);
      border-radius: 20px;
      background: #fff;
      overflow: hidden;
      transition: all .2s ease;
    }

    .compare-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }

    .compare-card .head {
      padding: 20px 24px;
      border-bottom: 1px solid var(--line);
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .compare-card .body {
      padding: 20px 24px;
    }

    .check-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--body);
      padding: 5px 0;
    }

    .check-item i {
      color: var(--secondary);
      font-size: 13px;
      flex-shrink: 0;
    }

    .focus-outline:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
      border-radius: 8px;
    }

    .btn:focus-visible,
    a:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    @media (max-width: 1024px) {
      .section-pad {
        padding: 72px 0;
      }
      .nav-links.desktop-nav {
        display: none !important;
      }
      .mobile-menu-btn {
        display: inline-flex !important;
      }
    }

    @media (max-width: 768px) {
      .section-pad {
        padding: 56px 0;
      }
      .section-title-wrap {
        margin-bottom: 32px;
      }
      .section-title {
        font-size: 24px;
      }
      .brand-text strong {
        font-size: 16px;
      }
      .brand-text small {
        font-size: 10px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
      .brand-icon {
        width: 36px;
        height: 36px;
        font-size: 17px;
        border-radius: 10px;
      }
      .brand-text strong {
        font-size: 15px;
      }
      .brand-text small {
        display: none;
      }
      .btn {
        padding: 10px 16px;
        font-size: 14px;
      }
    }

/* roulang page: category3 */
:root {
            --primary: #E8481C;
            --primary-dark: #C93A12;
            --primary-soft: #FFF3EF;
            --secondary: #0E6B5C;
            --accent: #FFB300;
            --bg: #F7F6F3;
            --dark: #161A19;
            --ink: #1A1D1C;
            --body: #3D4140;
            --muted: #6B7070;
            --placeholder: #A4A8A8;
            --line: #E6E3DF;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-sm: 0 1px 3px rgba(22, 26, 25, .06);
            --shadow-hover: 0 12px 24px rgba(22, 26, 25, .08);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--bg);
            color: var(--body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            transition: color .15s ease;
        }

        .focus-outline:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #F7F6F3;
            border-bottom: 1px solid var(--line);
            transition: box-shadow .3s ease, background .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 8px 24px rgba(22, 26, 25, .08);
            background: rgba(247, 246, 243, .96);
            backdrop-filter: blur(8px);
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: .65rem;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            box-shadow: 0 4px 10px rgba(232, 72, 28, .25);
            flex-shrink: 0;
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .brand-text strong {
            font-size: 17px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: .5px;
        }
        .brand-text small {
            font-size: 11px;
            color: var(--muted);
            letter-spacing: 1px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.4rem;
        }
        .nav-links a {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--body);
            padding: 8px 2px;
            transition: color .15s ease;
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            height: 44px;
            padding: 0 1.5rem;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: .5px;
            transition: all .15s ease;
            cursor: pointer;
            text-decoration: none;
            border: none;
            min-width: 44px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(232, 72, 28, .25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(232, 72, 28, .35);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, .15);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, .85);
            color: #fff;
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .btn-white {
            background: #fff;
            color: var(--ink);
            box-shadow: 0 6px 16px rgba(0, 0, 0, .12);
        }
        .btn-white:hover {
            background: var(--bg);
            transform: translateY(-1px);
            color: var(--primary);
        }
        .btn-dark {
            background: var(--dark);
            color: #fff;
        }
        .btn-dark:hover {
            color: #fff;
            background: #2a302f;
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            position: relative;
            padding: 76px 0 68px;
            background: linear-gradient(120deg, rgba(255, 243, 239, .95) 0%, rgba(255, 243, 239, .78) 60%, rgba(255, 243, 239, .92) 100%), url('/assets/images/backpic/back-2.webp') center 35%/cover no-repeat;
            border-bottom: 1px solid var(--line);
            overflow: hidden;
        }
        .cat-hero::after {
            content: '';
            position: absolute;
            right: -60px;
            bottom: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(232, 72, 28, .06);
            pointer-events: none;
        }
        .cat-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: .5rem;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 1.4rem;
        }
        .breadcrumb a {
            color: var(--muted);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--placeholder);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        .cat-hero h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -1px;
            line-height: 1.25;
            margin-bottom: .75rem;
        }
        .cat-hero .lead {
            font-size: 16px;
            color: var(--body);
            max-width: 620px;
            line-height: 1.8;
        }

        /* ===== Section ===== */
        .section {
            padding: 96px 0;
        }
        .section-head {
            margin-bottom: 2.5rem;
            max-width: 680px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -.5px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.3;
        }
        .section-sub {
            color: var(--muted);
            font-size: 14px;
            margin-top: .75rem;
            line-height: 1.7;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            height: 26px;
            padding: 0 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(232, 72, 28, .08);
            color: var(--primary);
            transition: all .15s ease;
            text-decoration: none;
        }
        a.badge:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Intro ===== */
        .intro-text p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--body);
            margin-bottom: 1rem;
        }
        .intro-text p strong {
            color: var(--ink);
            font-weight: 700;
        }
        .intro-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }
        .intro-media img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            filter: sepia(.15) saturate(1.1);
        }
        .intro-media .float-badge {
            position: absolute;
            left: 20px;
            bottom: 20px;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(6px);
            border-radius: 14px;
            padding: 10px 18px;
            font-size: 13px;
            font-weight: 700;
            color: var(--ink);
            box-shadow: 0 8px 20px rgba(22, 26, 25, .12);
            display: inline-flex;
            align-items: center;
            gap: .5rem;
        }
        .float-badge i {
            color: var(--primary);
        }

        /* ===== Info Cards ===== */
        .info-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .info-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: rgba(232, 72, 28, .35);
        }
        .info-card .cover {
            height: 196px;
            overflow: hidden;
            position: relative;
        }
        .info-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: sepia(.15) saturate(1.1);
            transition: transform .4s ease;
        }
        .info-card:hover .cover img {
            transform: scale(1.05);
        }
        .info-card .cover .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, .92);
            box-shadow: 0 2px 8px rgba(22, 26, 25, .1);
        }
        .info-card .card-body {
            padding: 1.5rem 1.5rem 1.6rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .info-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: .5rem;
        }
        .info-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            flex: 1;
        }
        .info-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            margin-top: 1rem;
            text-decoration: none;
            transition: gap .2s ease;
        }
        .info-card .card-link:hover {
            gap: .6rem;
        }

        /* ===== Feature ===== */
        .feature-item {
            display: flex;
            gap: 1.1rem;
            padding: 1.6rem;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
            height: 100%;
        }
        .feature-item:hover {
            border-color: rgba(232, 72, 28, .35);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .icon-box {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .feature-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: .25rem;
        }
        .feature-item p {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.7;
        }

        /* ===== Steps ===== */
        .step-wrap {
            position: relative;
        }
        .step-card {
            position: relative;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 2rem 1.6rem 1.8rem;
            height: 100%;
            transition: box-shadow .2s ease, transform .2s ease;
        }
        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .step-num {
            position: absolute;
            top: 12px;
            right: 18px;
            font-family: 'DIN Alternate', 'Bebas Neue', sans-serif;
            font-size: 48px;
            font-weight: 700;
            color: rgba(232, 72, 28, .12);
            line-height: 1;
        }
        .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(232, 72, 28, .08);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            margin-bottom: 1rem;
        }
        .step-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: .35rem;
        }
        .step-card p {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.7;
        }
        .step-arrow {
            position: absolute;
            top: 40%;
            right: -18px;
            z-index: 2;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            box-shadow: 0 4px 12px rgba(232, 72, 28, .3);
        }

        /* ===== Trust ===== */
        .trust-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1.2rem 0;
        }
        .trust-icon {
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: rgba(232, 72, 28, .1);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .trust-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: .15rem;
        }
        .trust-item p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 6px;
            margin-bottom: 12px;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .faq-item:hover {
            border-color: rgba(232, 72, 28, .3);
        }
        .faq-item.open {
            border-color: rgba(232, 72, 28, .45);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 14px 18px;
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            cursor: pointer;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            transition: color .15s ease;
            min-height: 48px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(232, 72, 28, .08);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 600;
            transition: transform .3s ease, background .3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-answer p {
            padding: 0 18px 16px 34px;
            font-size: 14px;
            color: var(--body);
            line-height: 1.75;
            border-left: 3px solid var(--primary);
            margin-left: 18px;
        }
        .faq-item.open .faq-answer {
            max-height: 320px;
        }

        /* ===== CTA ===== */
        .cta-band {
            background: linear-gradient(120deg, #E8481C, #C93A12);
            border-radius: 24px;
            padding: 3rem 3rem;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
            top: -100px;
            right: -70px;
        }
        .cta-band::after {
            content: '';
            position: absolute;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .05);
            bottom: -50px;
            left: 30%;
        }
        .cta-band h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -.5px;
            margin-bottom: .5rem;
            position: relative;
            z-index: 1;
        }
        .cta-band p {
            font-size: 15px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
        }
        .cta-band .btn {
            position: relative;
            z-index: 1;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .6);
        }
        .footer h3 {
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: .5px;
        }
        .footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer ul li {
            margin-bottom: .65rem;
        }
        .footer ul a {
            color: rgba(255, 255, 255, .6);
            text-decoration: none;
            font-size: 14px;
            transition: color .15s ease;
        }
        .footer ul a:hover {
            color: var(--accent);
        }

        /* ===== Mobile Drawer ===== */
        .mobile-drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(22, 26, 25, .6);
            z-index: 190;
            opacity: 0;
            pointer-events: none;
            transition: opacity .3s ease;
        }
        .mobile-drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100%;
            background: #fff;
            z-index: 200;
            transform: translateX(100%);
            transition: transform .3s ease;
            display: flex;
            flex-direction: column;
            padding: 24px;
            box-shadow: -12px 0 32px rgba(22, 26, 25, .12);
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer nav a {
            display: block;
            padding: 12px 10px;
            font-size: 15px;
            color: var(--body);
            text-decoration: none;
            border-radius: 10px;
            border-bottom: 1px solid var(--line);
            font-weight: 500;
        }
        .mobile-drawer nav a:hover,
        .mobile-drawer nav a.active {
            color: var(--primary);
            background: var(--primary-soft);
            font-weight: 700;
        }

        /* ===== Responsive ===== */
        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .cat-hero {
                padding: 56px 0 48px;
            }
            .cat-hero h1 {
                font-size: 28px;
            }
            .cta-band {
                padding: 2rem 1.5rem;
                border-radius: 18px;
            }
            .cta-band h2 {
                font-size: 20px;
            }
            .step-arrow {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .cat-hero h1 {
                font-size: 24px;
            }
            .cat-hero .lead {
                font-size: 14.5px;
            }
            .brand-text small {
                display: none;
            }
            .brand-text strong {
                font-size: 15px;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
            .info-card .cover {
                height: 170px;
            }
            .intro-media img {
                height: 220px;
            }
            .faq-question {
                font-size: 14.5px;
                padding: 12px 14px;
            }
            .faq-answer p {
                padding-left: 26px;
                margin-left: 12px;
            }
        }

        /* Utility */
        .bg-primary-soft {
            background: var(--primary-soft);
        }
        .text-link-arrow {
            transition: gap .2s ease;
        }
        .text-link-arrow:hover {
            gap: .5rem;
        }
        .num-f {
            font-family: 'DIN Alternate', 'Bebas Neue', sans-serif;
        }
