/* roulang page: index */
:root {
  --primary: #1e3a5f;
  --primary-dark: #152a45;
  --accent: #d4a843;
  --accent-light: #e8c87a;
  --bg: #f5f7fa;
  --card-bg: #ffffff;
  --text: #1c2b3a;
  --text-light: #6b7a8a;
  --border: #e5e9ee;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 35px rgba(28, 43, 58, 0.08);
  --shadow-hover: 0 18px 45px rgba(28, 43, 58, 0.14);
  --spacing: clamp(60px, 8vw, 110px);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-family); background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: var(--primary); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--accent); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: var(--spacing) 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.section-tag { display: inline-block; background: rgba(212, 168, 67, 0.12); color: var(--accent); font-size: 13px; font-weight: 600; padding: 6px 20px; border-radius: 30px; letter-spacing: 1px; margin-bottom: 12px; }
.section-head h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 700; color: var(--primary); line-height: 1.25; margin: 10px 0 14px; }
.section-head p { color: var(--text-light); font-size: 16px; line-height: 1.8; }
.section-head .divider { width: 56px; height: 3px; background: linear-gradient(90deg, var(--accent), var(--accent-light)); border-radius: 3px; margin: 20px auto 0; }

header.site-header { background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 20px; }
.logo { flex-shrink: 0; font-size: 24px; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; line-height: 1.2; }
.logo span { color: var(--accent); }
.header-search { flex: 1; max-width: 380px; margin: 0 20px; position: relative; }
.header-search .search-box { display: flex; align-items: center; background: #f0f2f5; border: 1px solid transparent; border-radius: 40px; padding: 0 16px; height: 42px; transition: all 0.3s ease; }
.header-search .search-box:focus-within { background: #fff; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(212,168,67,0.15); }
.header-search .search-box i { color: var(--text-light); font-size: 14px; margin-right: 10px; }
.header-search .search-box input { flex: 1; border: none; outline: none; background: transparent; font-size: 14px; color: var(--text); }
.header-search .search-box input::placeholder { color: #9aa5b1; }
.header-nav { display: flex; align-items: center; gap: 6px; }
.header-nav a { padding: 9px 16px; font-size: 15px; font-weight: 500; color: var(--text-light); border-radius: 8px; transition: all 0.25s ease; }
.header-nav a:hover { color: var(--primary); background: rgba(30,58,95,0.05); }
.header-nav a.active { color: var(--primary); background: rgba(30,58,95,0.08); font-weight: 600; }
.menu-toggle { display: none; width: 44px; height: 44px; border-radius: 10px; align-items: center; justify-content: center; color: var(--primary); font-size: 22px; background: #f0f2f5; }
.mobile-menu { display: none; }

.hero { position: relative; min-height: 640px; display: flex; align-items: center; padding: 80px 0; color: #fff; background-size: cover; background-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(30,58,95,0.92) 0%, rgba(21,42,69,0.82) 45%, rgba(212,168,67,0.35) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 680px; }
.hero-badge { display: inline-block; background: rgba(255,255,255,0.18); border: 1px solid rgba(255,255,255,0.3); backdrop-filter: blur(8px); color: #fff; font-size: 13px; font-weight: 600; padding: 7px 22px; border-radius: 40px; letter-spacing: 1px; margin-bottom: 22px; }
.hero-content h1 { font-size: clamp(38px, 5.5vw, 60px); font-weight: 800; line-height: 1.15; margin-bottom: 16px; text-shadow: 0 2px 20px rgba(0,0,0,0.2); }
.hero-content .lead { font-size: 22px; font-weight: 600; color: var(--accent-light); margin-bottom: 16px; }
.hero-content .desc { font-size: 17px; line-height: 1.8; color: rgba(255,255,255,0.85); margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 13px 32px; font-size: 15px; font-weight: 600; border-radius: 40px; transition: all 0.3s ease; border: 2px solid transparent; gap: 8px; }
.btn-primary { background: var(--accent); color: var(--primary-dark); }
.btn-primary:hover { background: var(--accent-light); color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(212,168,67,0.4); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,0.6); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; color: #fff; transform: translateY(-2px); }
.hero-stats { display: flex; gap: 32px; margin-top: 40px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.2); }
.hero-stats .hs-item { text-align: center; }
.hero-stats .hs-num { font-size: 32px; font-weight: 800; color: var(--accent-light); display: block; }
.hero-stats .hs-label { font-size: 13px; color: rgba(255,255,255,0.75); letter-spacing: 1px; }

.intro { background: #fff; }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.intro-image { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.intro-image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(30,58,95,0.35)); }
.intro-image img { width: 100%; height: 400px; object-fit: cover; }
.intro-badge { position: absolute; bottom: 16px; left: 16px; z-index: 2; background: rgba(255,255,255,0.92); color: var(--primary); font-size: 14px; font-weight: 600; padding: 8px 18px; border-radius: 30px; }
.intro-text h3 { font-size: 28px; color: var(--primary); margin-bottom: 18px; font-weight: 700; }
.intro-text p { color: var(--text-light); line-height: 1.9; margin-bottom: 16px; }
.intro-list { margin-top: 24px; display: grid; gap: 14px; }
.intro-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 15px; color: var(--text); }
.intro-list li i { color: var(--accent); margin-top: 5px; font-size: 16px; }
.intro-list li strong { font-weight: 600; }

.categories { background: var(--bg); }
.cat-card { display: block; background: var(--card-bg); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all 0.35s ease; height: 100%; border: 1px solid var(--border); }
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.cat-card .cat-img { position: relative; height: 210px; overflow: hidden; }
.cat-card .cat-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.cat-card:hover .cat-img img { transform: scale(1.05); }
.cat-card .cat-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(30,58,95,0.4)); }
.cat-card .cat-body { padding: 24px 22px; }
.cat-card .cat-body h3 { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.cat-card .cat-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 16px; }
.cat-card .cat-link { font-size: 14px; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }
.cat-card .cat-link i { transition: transform 0.3s ease; }
.cat-card:hover .cat-link i { transform: translateX(4px); }

.news { background: #fff; }
.news-list { display: grid; gap: 18px; max-width: 860px; margin: 0 auto; }
.news-item { display: flex; align-items: flex-start; gap: 16px; padding: 24px 28px; background: var(--bg); border-radius: var(--radius); border: 1px solid var(--border); transition: all 0.3s ease; }
.news-item:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-2px); }
.news-meta { flex-shrink: 0; min-width: 110px; display: flex; flex-direction: column; gap: 8px; }
.news-meta .badge { display: inline-block; background: var(--primary); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 20px; white-space: nowrap; text-align: center; }
.news-meta time { font-size: 13px; color: var(--text-light); white-space: nowrap; text-align: center; }
.news-body { flex: 1; }
.news-body h3 { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 6px; line-height: 1.5; }
.news-body h3 a { color: inherit; }
.news-body h3 a:hover { color: var(--primary); }
.news-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.empty-tip { text-align: center; padding: 50px 20px; background: var(--bg); border-radius: var(--radius); border: 1px dashed var(--border); color: var(--text-light); font-size: 15px; }

.stats { position: relative; color: #fff; background-size: cover; background-position: center; padding: 90px 0; }
.stats-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(30,58,95,0.93), rgba(21,42,69,0.88)); }
.stats-inner { position: relative; z-index: 2; }
.stat-item { text-align: center; padding: 34px 20px; border-radius: var(--radius); background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); backdrop-filter: blur(6px); height: 100%; transition: all 0.3s ease; }
.stat-item:hover { background: rgba(255,255,255,0.14); transform: translateY(-4px); }
.stat-num { font-size: 44px; font-weight: 800; color: var(--accent-light); display: block; margin-bottom: 8px; }
.stat-label { font-size: 14px; color: rgba(255,255,255,0.8); letter-spacing: 1px; }

.flow { background: #fff; }
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flow-step { position: relative; text-align: center; padding: 36px 20px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--border); height: 100%; transition: all 0.3s ease; }
.flow-step:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-4px); }
.flow-step::before { content: ''; position: absolute; top: 50%; right: -18px; width: 30px; height: 2px; background: var(--border); display: block; }
.flow-step:last-child::before { display: none; }
.flow-num { width: 52px; height: 52px; margin: 0 auto 18px; display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 700; color: var(--accent); background: rgba(212,168,67,0.12); border-radius: 50%; }
.flow-step h3 { font-size: 18px; font-weight: 600; color: var(--primary); margin-bottom: 10px; }
.flow-step p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

.featured { background: var(--bg); }
.feature-card { background: var(--card-bg); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); transition: all 0.35s ease; height: 100%; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.feature-card .feature-img { position: relative; height: 190px; overflow: hidden; }
.feature-card .feature-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.feature-card:hover .feature-img img { transform: scale(1.04); }
.feature-card .feature-img .badge { position: absolute; top: 14px; left: 14px; background: var(--accent); color: var(--primary-dark); font-size: 12px; font-weight: 700; padding: 5px 14px; border-radius: 20px; }
.feature-card .feature-body { padding: 22px; }
.feature-card .feature-body h3 { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 8px; line-height: 1.5; }
.feature-card .feature-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 14px; }
.feature-card .feature-body .feature-tag { display: inline-block; background: rgba(30,58,95,0.06); color: var(--primary); font-size: 12px; padding: 4px 12px; border-radius: 20px; }

.faq { background: #fff; }
.faq-list { max-width: 780px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); overflow: hidden; transition: all 0.3s ease; }
.faq-item:hover { border-color: var(--accent); }
.faq-item summary { list-style: none; cursor: pointer; padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 16px; font-weight: 600; color: var(--text); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon { width: 28px; height: 28px; flex-shrink: 0; border-radius: 50%; background: rgba(212,168,67,0.15); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 13px; transition: transform 0.3s ease; }
.faq-item[open] summary .faq-icon { transform: rotate(45deg); }
.faq-item .faq-answer { padding: 0 24px 20px; font-size: 14px; color: var(--text-light); line-height: 1.8; }

.cta { position: relative; color: #fff; background-size: cover; background-position: center; text-align: center; padding: 90px 0; }
.cta-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(30,58,95,0.94), rgba(21,42,69,0.86)); }
.cta-inner { position: relative; z-index: 2; }
.cta-inner h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; margin-bottom: 18px; }
.cta-inner p { font-size: 17px; color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 32px; line-height: 1.8; }
.cta-inner .btn-primary { font-size: 16px; padding: 15px 40px; }

footer.site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding-top: 70px; }
.footer-top { padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-logo { font-size: 26px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-logo span { color: var(--accent); }
.footer-top p { font-size: 14px; line-height: 1.8; max-width: 380px; }
.footer-top h4 { color: #fff; font-size: 17px; font-weight: 600; margin-bottom: 18px; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: rgba(255,255,255,0.65); font-size: 14px; transition: all 0.25s ease; }
.footer-links a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; margin-bottom: 12px; color: rgba(255,255,255,0.65); }
.footer-contact i { color: var(--accent); width: 18px; }
.footer-bottom { padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,0.45); }

@media (max-width: 1024px) {
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-step::before { display: none; }
  .intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .header-nav a { padding: 8px 12px; font-size: 14px; }
}

@media (max-width: 768px) {
  .header-nav { display: none; }
  .menu-toggle { display: flex; }
  .mobile-menu { display: none; padding: 14px 0 20px; border-top: 1px solid var(--border); background: #fff; }
  .mobile-menu.open { display: block; }
  .mobile-menu a { display: block; padding: 12px 14px; font-size: 15px; font-weight: 500; color: var(--text); border-radius: 8px; }
  .mobile-menu a:hover, .mobile-menu a.active { background: rgba(30,58,95,0.06); color: var(--primary); }
  .header-search { max-width: none; order: 3; flex-basis: 100%; margin: 0 0 12px; }
  .header-inner { flex-wrap: wrap; height: auto; padding: 12px 0; gap: 12px; }
  .hero { min-height: 520px; padding: 60px 0; }
  .hero-stats { flex-wrap: wrap; gap: 18px; }
  .hero-stats .hs-num { font-size: 26px; }
  .news-item { flex-direction: column; gap: 10px; padding: 20px; }
  .news-meta { flex-direction: row; align-items: center; min-width: 0; }
  .cat-card .cat-img { height: 180px; }
  .feature-card .feature-img { height: 170px; }
  .footer-top .cell { margin-bottom: 30px; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .hero-content h1 { font-size: 36px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .flow-grid { grid-template-columns: 1fr; }
  .stat-num { font-size: 36px; }
  .section-head h2 { font-size: 26px; }
  .faq-item summary { font-size: 15px; padding: 16px 18px; }
  .footer-quick li { font-size: 13px; }
}

/* roulang page: category1 */
:root {
      --primary: #0e5a6d;
      --primary-dark: #083d4b;
      --primary-light: #17809b;
      --accent: #e8873a;
      --accent-dark: #d16f24;
      --bg: #f4f7f9;
      --bg-deep: #0b2c36;
      --card-bg: #ffffff;
      --text: #1f2f38;
      --text-weak: #677d88;
      --border: #e3e9ed;
      --radius: 14px;
      --radius-sm: 8px;
      --shadow: 0 6px 24px rgba(11, 44, 54, .08);
      --shadow-hover: 0 14px 36px rgba(11, 44, 54, .14);
      --transition: all .3s ease;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--primary-light); }
    ul, ol { list-style: none; }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

    /* ===== Header ===== */
    .site-header {
      background: #fff;
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 2px 12px rgba(11, 44, 54, .04);
    }
    .header-inner {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 16px 0;
      flex-wrap: wrap;
    }
    .site-logo {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -0.5px;
      white-space: nowrap;
      display: flex;
      align-items: baseline;
    }
    .site-logo span { color: var(--accent); font-size: 20px; margin-left: 2px; }
    .site-logo:hover { color: var(--primary-dark); opacity: .85; }
    .header-search {
      flex: 1;
      max-width: 420px;
      display: flex;
      align-items: center;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 50px;
      padding: 6px 8px 6px 16px;
      transition: var(--transition);
    }
    .header-search:focus-within {
      border-color: var(--primary-light);
      background: #fff;
      box-shadow: 0 0 0 3px rgba(14, 90, 109, .1);
    }
    .header-search .search-icon { color: var(--text-weak); font-size: 14px; margin-right: 8px; }
    .header-search input {
      border: none;
      background: transparent;
      flex: 1;
      font-size: 14px;
      color: var(--text);
      outline: none;
    }
    .header-search input::placeholder { color: #98a7af; }
    .header-search button {
      background: var(--primary);
      color: #fff;
      border: none;
      border-radius: 50px;
      padding: 7px 16px;
      font-size: 13px;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
    }
    .header-search button:hover { background: var(--primary-light); }
    .header-nav {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: auto;
    }
    .header-nav a {
      padding: 10px 16px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      white-space: nowrap;
      position: relative;
    }
    .header-nav a:hover { color: var(--primary); background: var(--bg); }
    .header-nav a.active { color: var(--primary); background: rgba(14, 90, 109, .08); }
    .header-nav a.active::after {
      content: '';
      position: absolute;
      bottom: 2px;
      left: 50%;
      transform: translateX(-50%);
      width: 20px;
      height: 3px;
      background: var(--accent);
      border-radius: 3px;
    }
    .header-menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border);
      border-radius: 8px;
      width: 42px;
      height: 42px;
      font-size: 18px;
      color: var(--text);
      cursor: pointer;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
    }
    .header-menu-toggle:hover { background: var(--bg); color: var(--primary); }

    /* ===== Banner ===== */
    .page-banner {
      background: linear-gradient(135deg, rgba(8, 50, 62, .92), rgba(11, 44, 54, .82)), url('/assets/images/backpic/back-2.png') center/cover;
      padding: 96px 0 84px;
      text-align: center;
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .page-banner::before {
      content: '';
      position: absolute;
      top: -60%;
      right: -20%;
      width: 500px;
      height: 500px;
      border: 1px solid rgba(255, 255, 255, .08);
      border-radius: 50%;
    }
    .page-banner .banner-tag {
      display: inline-block;
      background: rgba(232, 135, 58, .2);
      border: 1px solid rgba(232, 135, 58, .4);
      color: #fbb382;
      font-size: 13px;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: 50px;
      margin-bottom: 18px;
      letter-spacing: 1px;
    }
    .page-banner h1 {
      font-size: 42px;
      font-weight: 800;
      margin-bottom: 14px;
      letter-spacing: -1px;
      line-height: 1.3;
    }
    .page-banner p {
      font-size: 17px;
      color: rgba(255, 255, 255, .88);
      max-width: 620px;
      margin: 0 auto 28px;
    }
    .banner-actions {
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: 50px;
      font-size: 15px;
      font-weight: 600;
      transition: var(--transition);
      cursor: pointer;
      border: none;
    }
    .btn-primary {
      background: var(--accent);
      color: #fff;
    }
    .btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(232, 135, 58, .3); }
    .btn-outline {
      background: transparent;
      color: #fff;
      border: 1px solid rgba(255, 255, 255, .5);
    }
    .btn-outline:hover { background: rgba(255, 255, 255, .1); color: #fff; transform: translateY(-2px); }

    /* ===== Section common ===== */
    .section {
      padding: 72px 0;
    }
    .section-alt { background: #fff; }
    .section-head {
      text-align: center;
      margin-bottom: 48px;
    }
    .section-head .sec-tag {
      display: inline-block;
      background: rgba(14, 90, 109, .08);
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      padding: 5px 14px;
      border-radius: 50px;
      letter-spacing: 1px;
      margin-bottom: 12px;
    }
    .section-head h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--text);
      letter-spacing: -0.5px;
    }
    .section-head p {
      color: var(--text-weak);
      font-size: 15px;
      max-width: 560px;
      margin: 10px auto 0;
    }

    /* ===== Quick Cards ===== */
    .quick-cards .grid-x { row-gap: 24px; }
    .quick-card {
      background: var(--card-bg);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      padding: 32px 28px;
      height: 100%;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .quick-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .4s ease;
    }
    .quick-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
    .quick-card:hover::before { transform: scaleX(1); }
    .quick-card .card-icon {
      width: 52px;
      height: 52px;
      background: rgba(14, 90, 109, .1);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: var(--primary);
      margin-bottom: 18px;
    }
    .quick-card h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text);
    }
    .quick-card p {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .quick-card .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
    }
    .quick-card .card-link:hover { color: var(--accent); gap: 10px; }
    .quick-card .card-badge {
      position: absolute;
      top: 16px;
      right: 16px;
      font-size: 11px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 20px;
      background: rgba(232, 135, 58, .12);
      color: var(--accent-dark);
    }

    /* ===== Feature Split ===== */
    .feature-wrap {
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .feature-wrap .feature-image { position: relative; height: 100%; min-height: 360px; }
    .feature-wrap .feature-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      position: absolute;
      inset: 0;
    }
    .feature-wrap .feature-image::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(11, 44, 54, .2), transparent);
    }
    .feature-body {
      padding: 44px 40px;
    }
    .feature-body .feat-tag {
      display: inline-block;
      background: rgba(232, 135, 58, .1);
      color: var(--accent-dark);
      font-size: 12px;
      font-weight: 700;
      padding: 5px 12px;
      border-radius: 20px;
      margin-bottom: 14px;
    }
    .feature-body h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 14px;
      color: var(--text);
    }
    .feature-body p {
      color: var(--text-weak);
      font-size: 15px;
      margin-bottom: 20px;
    }
    .feature-list {
      display: grid;
      gap: 12px;
      margin-bottom: 24px;
    }
    .feature-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--text);
    }
    .feature-list li i {
      color: var(--primary);
      font-size: 16px;
      flex-shrink: 0;
    }

    /* ===== Process Steps ===== */
    .process-section { background: var(--bg-deep); }
    .process-section .section-head h2 { color: #fff; }
    .process-section .section-head p { color: rgba(255, 255, 255, .7); }
    .process-section .section-head .sec-tag { background: rgba(255, 255, 255, .1); color: #fbb382; }
    .process-step {
      text-align: center;
      padding: 36px 20px;
      background: rgba(255, 255, 255, .05);
      border-radius: var(--radius);
      border: 1px solid rgba(255, 255, 255, .08);
      transition: var(--transition);
      height: 100%;
    }
    .process-step:hover { background: rgba(255, 255, 255, .09); transform: translateY(-4px); }
    .step-num {
      width: 48px;
      height: 48px;
      margin: 0 auto 16px;
      background: var(--accent);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 800;
    }
    .process-step h3 {
      color: #fff;
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .process-step p {
      color: rgba(255, 255, 255, .7);
      font-size: 14px;
      line-height: 1.6;
    }
    .process-arrow {
      display: flex;
      align-items: center;
      justify-content: center;
      color: rgba(255, 255, 255, .3);
      font-size: 20px;
    }

    /* ===== Tutorial List ===== */
    .tutorial-list {
      max-width: 860px;
      margin: 0 auto;
    }
    .tutorial-item {
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      padding: 24px 28px;
      margin-bottom: 16px;
      display: flex;
      gap: 20px;
      align-items: flex-start;
      transition: var(--transition);
      position: relative;
    }
    .tutorial-item:hover {
      box-shadow: var(--shadow);
      transform: translateX(4px);
      border-left: 3px solid var(--accent);
    }
    .tutorial-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--border);
      line-height: 1;
      min-width: 48px;
      font-style: italic;
    }
    .tutorial-content { flex: 1; }
    .tutorial-content h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text);
    }
    .tutorial-content h3 a { color: var(--text); }
    .tutorial-content h3 a:hover { color: var(--primary); }
    .tutorial-content p {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.6;
      margin-bottom: 10px;
    }
    .tutorial-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      font-size: 13px;
      color: var(--text-weak);
    }
    .badge {
      display: inline-block;
      background: rgba(14, 90, 109, .08);
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 20px;
    }
    .badge-blue { background: rgba(14, 90, 109, .12); color: var(--primary); }
    .badge-orange { background: rgba(232, 135, 58, .12); color: var(--accent-dark); }
    .badge-green { background: rgba(76, 154, 102, .12); color: #3d7d54; }
    .tutorial-meta i { margin-right: 4px; font-size: 12px; }

    /* ===== FAQ ===== */
    .faq-wrap {
      max-width: 800px;
      margin: 0 auto;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover { box-shadow: var(--shadow); }
    .faq-item summary {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      color: var(--text);
      list-style: none;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
      content: '\f078';
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      font-size: 13px;
      color: var(--text-weak);
      transition: transform .3s ease;
      flex-shrink: 0;
    }
    .faq-item[open] summary::after { transform: rotate(180deg); }
    .faq-item[open] { border-color: rgba(14, 90, 109, .3); }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-weak);
      border-top: 1px dashed var(--border);
      padding-top: 14px;
      margin-top: -4px;
      line-height: 1.7;
    }

    /* ===== CTA ===== */
    .cta-section {
      background: linear-gradient(135deg, var(--primary-dark), var(--primary));
      border-radius: var(--radius);
      padding: 56px 48px;
      text-align: center;
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      top: -40px;
      right: -40px;
      width: 160px;
      height: 160px;
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: 50%;
    }
    .cta-section h2 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 10px;
    }
    .cta-section p {
      font-size: 15px;
      color: rgba(255, 255, 255, .85);
      max-width: 520px;
      margin: 0 auto 28px;
    }
    .cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
    .btn-white {
      background: #fff;
      color: var(--primary-dark);
    }
    .btn-white:hover { background: #f0f4f5; color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, .15); }
    .btn-ghost-white {
      background: transparent;
      color: #fff;
      border: 1px solid rgba(255, 255, 255, .6);
    }
    .btn-ghost-white:hover { background: rgba(255, 255, 255, .1); color: #fff; }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--bg-deep);
      color: rgba(255, 255, 255, .75);
      margin-top: 72px;
      padding: 56px 0 0;
    }
    .footer-top {
      padding-bottom: 36px;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }
    .footer-logo {
      font-size: 24px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
    }
    .footer-logo span { color: var(--accent); }
    .site-footer p {
      font-size: 14px;
      line-height: 1.7;
      color: rgba(255, 255, 255, .65);
      margin-bottom: 0;
    }
    .site-footer h4 {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-links li { margin-bottom: 8px; }
    .footer-links a {
      font-size: 14px;
      color: rgba(255, 255, 255, .65);
      transition: var(--transition);
    }
    .footer-links a:hover { color: var(--accent); padding-left: 4px; }
    .footer-contact li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: rgba(255, 255, 255, .65);
      margin-bottom: 10px;
    }
    .footer-contact i { color: var(--accent); font-size: 13px; width: 18px; text-align: center; }
    .footer-bottom {
      padding: 22px 0;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, .45);
      border-top: 1px solid rgba(255, 255, 255, .06);
    }
    .footer-bottom p { margin: 0; color: rgba(255, 255, 255, .45); }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .header-nav { gap: 2px; }
      .header-nav a { padding: 8px 10px; font-size: 14px; }
      .page-banner h1 { font-size: 34px; }
      .section { padding: 56px 0; }
    }
    @media (max-width: 900px) {
      .header-inner { position: relative; }
      .site-logo { font-size: 22px; }
      .header-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 12px 24px rgba(11, 44, 54, .08);
        margin-left: 0;
        border-radius: 0 0 16px 16px;
        z-index: 99;
      }
      .header-nav.open { display: flex; }
      .header-nav a { width: 100%; padding: 12px 16px; font-size: 15px; border-radius: 8px; }
      .header-nav a.active::after { display: none; }
      .header-nav a.active { background: rgba(14, 90, 109, .08); }
      .header-menu-toggle { display: flex; margin-left: auto; }
      .header-search { order: 2; flex-basis: 100%; max-width: none; margin-top: 4px; }
      .header-search button { padding: 6px 14px; font-size: 13px; }
      .page-banner { padding: 68px 0 56px; }
      .page-banner h1 { font-size: 28px; }
      .feature-body { padding: 32px 24px; }
      .feature-wrap .feature-image { min-height: 260px; }
      .feature-wrap .feature-image img { position: static; }
      .process-arrow { display: none; }
    }
    @media (max-width: 640px) {
      .container { padding: 0 16px; }
      .section { padding: 44px 0; }
      .section-head h2 { font-size: 24px; }
      .page-banner { padding: 56px 0 44px; }
      .page-banner h1 { font-size: 24px; }
      .page-banner p { font-size: 15px; }
      .btn { padding: 10px 20px; font-size: 14px; }
      .quick-card { padding: 24px 20px; }
      .feature-body { padding: 24px 20px; }
      .feature-body h3 { font-size: 20px; }
      .tutorial-item { padding: 18px 16px; flex-direction: column; gap: 8px; }
      .tutorial-num { font-size: 20px; }
      .faq-item summary { padding: 16px 18px; font-size: 15px; }
      .faq-answer { padding: 0 18px 16px; }
      .cta-section { padding: 36px 20px; }
      .cta-section h2 { font-size: 22px; }
      .site-footer { padding-top: 40px; }
      .footer-top .cell { margin-bottom: 24px; }
    }
    @media (max-width: 520px) {
      .site-logo { font-size: 19px; }
      .site-logo span { font-size: 16px; }
      .header-inner { gap: 10px; padding: 12px 0; }
      .header-search input { font-size: 13px; }
      .header-search button { display: none; }
      .page-banner h1 { font-size: 21px; }
      .banner-actions { flex-direction: column; align-items: center; }
      .btn { width: 100%; justify-content: center; }
    }

/* roulang page: article */
/* ============ 设计变量 ============ */
:root {
  --primary: #102a43;
  --primary-light: #1f4e79;
  --primary-dark: #091e30;
  --accent: #e9812a;
  --accent-light: #f59e4b;
  --bg: #f0f4f8;
  --bg-deep: #e6edf3;
  --surface: #ffffff;
  --text: #243b53;
  --text-weak: #627d98;
  --border: #d9e2ec;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(16, 42, 67, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 42, 67, 0.08);
  --shadow-lg: 0 16px 40px rgba(16, 42, 67, 0.12);
  --header-h: 72px;
  --section-space: 56px;
  --content-width: 1200px;
}

/* ============ 基础 Reset ============ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--accent);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ============ 布局容器 ============ */
.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px;
}
.grid-x.fallback {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}
.grid-x.fallback > .cell {
  padding: 0 15px;
}

/* ============ 头部导航 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  min-height: var(--header-h);
  display: flex;
  align-items: center;
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: nowrap;
}
.brand-logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  white-space: nowrap;
}
.brand-logo span {
  color: var(--accent);
  font-weight: 700;
}
.search-area {
  flex: 1;
  max-width: 420px;
  margin-left: auto;
}
.search-form {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 40px;
  padding: 4px 4px 4px 18px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.search-form:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(233, 129, 42, 0.12);
}
.search-form input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  color: var(--text);
  padding: 8px 0;
  min-width: 0;
}
.search-form button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}
.search-form button:hover {
  background: var(--accent-light);
  transform: scale(1.04);
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.header-nav a {
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: background 0.2s ease, color 0.2s ease;
}
.header-nav a:hover {
  background: var(--bg);
  color: var(--primary);
}
.header-nav a.active {
  background: var(--primary);
  color: #fff;
}
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--bg);
  color: var(--primary);
  font-size: 20px;
  align-items: center;
  justify-content: center;
}

/* ============ 文章 Hero 横幅 ============ */
.article-hero {
  position: relative;
  padding: 72px 0 64px;
  color: #fff;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.article-hero .hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: -2;
}
.article-hero .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(9, 30, 48, 0.88) 0%, rgba(31, 78, 121, 0.78) 60%, rgba(16, 42, 67, 0.6) 100%);
  z-index: -1;
}
.hero-content {
  position: relative;
  z-index: 1;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.9);
}
.breadcrumb a:hover {
  color: var(--accent-light);
}
.breadcrumb i {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.5);
}
.breadcrumb span {
  color: var(--accent-light);
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 400px;
  white-space: nowrap;
}
.hero-content h1 {
  font-size: 34px;
  line-height: 1.35;
  font-weight: 800;
  margin: 0 0 18px;
  max-width: 820px;
  letter-spacing: 0.5px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(4px);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* ============ 文章主体布局 ============ */
.article-main {
  padding: var(--section-space) 0 30px;
}
.article-body {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 36px 40px;
  margin-bottom: 28px;
}
.article-cover {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 30px;
}
.article-cover img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

/* ============ CMS 正文排版 ============ */
.cms-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}
.cms-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin: 36px 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
}
.cms-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin: 30px 0 12px;
}
.cms-content p {
  margin: 0 0 20px;
}
.cms-content img {
  border-radius: var(--radius-md);
  margin: 24px 0;
  width: 100%;
}
.cms-content blockquote {
  border-left: 4px solid var(--accent);
  background: #fff8f0;
  padding: 16px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: var(--text);
}
.cms-content ul,
.cms-content ol {
  margin: 0 0 20px 24px;
}
.cms-content li {
  margin-bottom: 8px;
}
.cms-content a {
  color: var(--accent);
  text-decoration: underline;
}
.cms-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}
.cms-content th,
.cms-content td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}
.cms-content th {
  background: var(--bg);
  font-weight: 600;
}

/* ============ 文章标签 ============ */
.article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.tag-label {
  font-weight: 600;
  color: var(--text);
  font-size: 14px;
}
.tag-badge {
  display: inline-block;
  padding: 5px 14px;
  background: var(--bg);
  border-radius: 30px;
  font-size: 13px;
  color: var(--primary);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.tag-badge:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

/* ============ 文章导航链接 ============ */
.article-nav-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 40px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: 2px solid transparent;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-block {
  width: 100%;
}
.btn-light {
  background: #fff;
  color: var(--primary);
}
.btn-light:hover {
  background: var(--accent-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

/* ============ 侧边栏 ============ */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: calc(var(--header-h) + 20px);
  align-self: flex-start;
}
.widget {
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}
.widget-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  padding-left: 12px;
  border-left: 4px solid var(--accent);
  line-height: 1.4;
}
.widget-title i {
  color: var(--accent);
}
.widget-about p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  margin: 0;
}
.latest-list {
  list-style: none;
  margin: 0;
}
.latest-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.latest-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.latest-list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: color 0.2s ease;
}
.list-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.latest-list a:hover .list-title {
  color: var(--accent);
}
.list-meta {
  font-size: 12px;
  color: var(--text-weak);
}
.empty-tip {
  font-size: 14px;
  color: var(--text-weak);
  padding: 12px 0;
}
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.widget-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
}
.widget-cta .widget-title {
  color: #fff;
  border-left-color: var(--accent);
}
.widget-cta .widget-title i {
  color: var(--accent-light);
}
.widget-cta p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 18px;
}
.faq-mini {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.faq-q {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.faq-a {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.6;
  margin: 0;
}

/* ============ 相关资讯 ============ */
.related-section {
  padding: 20px 0 56px;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.section-head h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  position: relative;
  padding-left: 16px;
}
.section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 26px;
  background: var(--accent);
  border-radius: 4px;
}
.section-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 30px;
  transition: all 0.2s ease;
}
.section-more:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.related-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.card-cover {
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .card-cover img {
  transform: scale(1.05);
}
.card-info {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-cat {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(233, 129, 42, 0.1);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.card-info h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-info h3 a {
  color: var(--text);
}
.card-info h3 a:hover {
  color: var(--accent);
}
.card-excerpt {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.card-date {
  font-size: 12px;
  color: var(--text-weak);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ============ 内容未找到 ============ */
.not-found-box {
  text-align: center;
  padding: 60px 20px;
}
.not-found-box i {
  font-size: 56px;
  color: var(--accent);
  margin-bottom: 20px;
  display: inline-block;
}
.not-found-box h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}
.not-found-box p {
  color: var(--text-weak);
  margin-bottom: 24px;
}

/* ============ CTA 区块 ============ */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: #fff;
  padding: 72px 0;
  margin-top: 20px;
}
.cta-inner {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.cta-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 30px;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ============ 页脚 ============ */
.site-footer {
  background: #0d1f33;
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 0;
}
.footer-top {
  padding-bottom: 40px;
}
.footer-logo {
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}
.footer-logo span {
  color: var(--accent);
}
.footer-top p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.62);
  margin: 0;
}
.footer-top h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-links {
  list-style: none;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-links a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}
.footer-contact {
  list-style: none;
  margin: 0;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.6);
}
.footer-contact i {
  color: var(--accent);
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  margin: 0;
}

/* ============ 响应式断点 ============ */
@media (max-width: 1024px) {
  .header-row {
    flex-wrap: wrap;
    padding: 12px 0;
  }
  .brand-logo {
    font-size: 21px;
  }
  .search-area {
    order: 3;
    max-width: 100%;
    flex-basis: 100%;
  }
  .header-nav {
    margin-left: auto;
  }
  .hero-content h1 {
    font-size: 28px;
  }
  .article-body {
    padding: 28px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-space: 40px;
  }
  .menu-toggle {
    display: flex;
  }
  .header-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px;
    gap: 8px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border);
  }
  .header-nav.open {
    display: flex;
  }
  .header-nav a {
    padding: 12px 16px;
    border-radius: 10px;
    text-align: center;
  }
  .article-hero {
    padding: 48px 0 40px;
  }
  .hero-content h1 {
    font-size: 24px;
  }
  .article-body {
    padding: 20px;
  }
  .cms-content {
    font-size: 15px;
  }
  .cms-content h2 {
    font-size: 21px;
  }
  .cms-content h3 {
    font-size: 18px;
  }
  .sidebar {
    position: static;
    margin-top: 20px;
  }
  .cta-content h2 {
    font-size: 24px;
  }
  .cta-section {
    padding: 48px 0;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .brand-logo {
    font-size: 19px;
  }
  .hero-content h1 {
    font-size: 21px;
  }
  .breadcrumb {
    font-size: 12px;
  }
  .meta-badge {
    font-size: 12px;
    padding: 5px 12px;
  }
  .article-body {
    padding: 16px;
  }
  .article-tags {
    gap: 6px;
  }
  .tag-badge {
    font-size: 12px;
    padding: 4px 10px;
  }
  .btn {
    padding: 9px 18px;
    font-size: 14px;
  }
  .section-head h2 {
    font-size: 20px;
  }
  .card-info h3 {
    font-size: 15px;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  .cta-buttons .btn {
    width: 100%;
  }
}

/* ============ 焦点状态 ============ */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(233, 129, 42, 0.4);
  outline-offset: 2px;
}

/* roulang page: category3 */
:root {
  --primary: #0b2d4f;
  --primary-dark: #071f38;
  --primary-light: #14518a;
  --accent: #c8a45d;
  --accent-light: #e7d3a0;
  --bg: #f5f7fa;
  --bg-white: #ffffff;
  --bg-soft: #eef3f8;
  --text: #1a2733;
  --text-weak: #66788a;
  --border: #e2e9f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(11, 45, 79, 0.08);
  --shadow-hover: 0 18px 40px rgba(11, 45, 79, 0.14);
  --transition: all 0.3s ease;
  --container: 1200px;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html, body {
  margin: 0;
  padding: 0;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.bg-white { background: var(--bg-white); }
.bg-soft { background: var(--bg-soft); }
.section {
  padding: 96px 0;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  background: rgba(200, 164, 93, 0.15);
  color: #8a6d32;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: 36px;
  line-height: 1.3;
  margin: 0 0 14px;
  color: var(--primary);
  font-weight: 700;
}
.section-head p {
  color: var(--text-weak);
  font-size: 16px;
  margin: 0;
}
/* ===== Header / Nav ===== */
.site-header {
  background: var(--primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(7, 31, 56, 0.35);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 76px;
}
.brand-logo {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  display: flex;
  align-items: baseline;
  line-height: 1.2;
  letter-spacing: 1px;
}
.brand-logo span {
  color: var(--accent);
  font-weight: 500;
  margin-left: 2px;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.header-nav a {
  color: rgba(255, 255, 255, 0.82);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}
.header-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}
.header-nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}
.header-search {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 40px;
  padding: 4px;
  transition: var(--transition);
  min-width: 260px;
}
.header-search:focus-within {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200, 164, 93, 0.25);
}
.header-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 14px;
  padding: 8px 16px;
  min-width: 0;
}
.header-search input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}
.header-search button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: var(--primary-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.header-search button:hover {
  background: #b8934f;
  transform: scale(1.05);
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
/* ===== Hero Banner ===== */
.hero-banner {
  position: relative;
  padding: 140px 0;
  background: linear-gradient(120deg, rgba(7, 31, 56, 0.94) 0%, rgba(11, 45, 79, 0.82) 50%, rgba(11, 45, 79, 0.55) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.hero-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, rgba(245, 247, 250, 0.12));
  pointer-events: none;
}
.hero-banner .hero-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero-banner .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero-banner h1 {
  font-size: 48px;
  line-height: 1.25;
  margin: 0 0 20px;
  font-weight: 700;
  letter-spacing: 1px;
}
.hero-banner h1 em {
  font-style: normal;
  color: var(--accent-light);
}
.hero-banner p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 620px;
  margin-bottom: 36px;
}
.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 40px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary {
  background: var(--accent);
  color: var(--primary-dark);
  box-shadow: 0 6px 20px rgba(200, 164, 93, 0.4);
}
.btn-primary:hover {
  background: #b8934f;
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(200, 164, 93, 0.5);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
}
/* ===== Statistics ===== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  margin: 0 auto 18px;
}
.stat-card .stat-num {
  font-size: 38px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}
.stat-card .stat-label {
  color: var(--text-weak);
  font-size: 14px;
  margin-top: 6px;
}
/* ===== Service Category Cards ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(200, 164, 93, 0.5);
}
.service-card .card-media {
  height: 190px;
  overflow: hidden;
  position: relative;
}
.service-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.service-card:hover .card-media img {
  transform: scale(1.06);
}
.service-card .card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 45, 79, 0.5), transparent);
}
.service-card .card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.service-card .card-body h3 {
  font-size: 18px;
  color: var(--primary);
  margin: 0 0 10px;
  font-weight: 600;
}
.service-card .card-body p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 16px;
  flex: 1;
}
.card-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-link i {
  font-size: 13px;
  transition: transform 0.3s ease;
}
.card-link:hover {
  color: var(--accent);
}
.card-link:hover i {
  transform: translateX(4px);
}
/* ===== Process Steps ===== */
.process-section {
  background: var(--primary);
  color: #fff;
}
.process-section .section-head h2 {
  color: #fff;
}
.process-section .section-head p {
  color: rgba(255, 255, 255, 0.7);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.process-step {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  transition: var(--transition);
}
.process-step:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-5px);
}
.process-step .step-num {
  font-size: 48px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.25);
  line-height: 1;
  margin-bottom: 20px;
  display: block;
}
.process-step h3 {
  font-size: 18px;
  color: var(--accent-light);
  margin: 0 0 10px;
  font-weight: 600;
}
.process-step p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  margin: 0;
}
/* ===== Content / News List ===== */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.news-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.news-item:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(200, 164, 93, 0.5);
  transform: translateX(4px);
}
.news-item .news-thumb {
  width: 120px;
  height: 90px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.news-item .news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.news-item .news-body {
  flex: 1;
}
.news-item .news-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.badge {
  display: inline-block;
  background: rgba(11, 45, 79, 0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}
.badge-accent {
  background: rgba(200, 164, 93, 0.16);
  color: #8a6d32;
}
.news-item .news-date {
  color: var(--text-weak);
  font-size: 13px;
}
.news-item .news-body h3 {
  font-size: 18px;
  color: var(--text);
  margin: 0 0 8px;
  font-weight: 600;
  transition: var(--transition);
}
.news-item:hover .news-body h3 {
  color: var(--primary);
}
.news-item .news-body p {
  color: var(--text-weak);
  font-size: 14px;
  margin: 0;
  line-height: 1.7;
}
/* ===== FAQ ===== */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(200, 164, 93, 0.5);
}
.faq-item summary {
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item[open] summary {
  color: var(--primary);
}
.faq-item[open] summary::after {
  transform: rotate(180deg);
}
.faq-item .faq-body {
  padding: 0 28px 24px;
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.8;
}
.faq-item .faq-body p {
  margin: 0;
}
/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 96px 0;
  background: linear-gradient(120deg, rgba(7, 31, 56, 0.94), rgba(11, 45, 79, 0.82)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  color: #fff;
  text-align: center;
}
.cta-section h2 {
  font-size: 34px;
  margin: 0 0 18px;
  font-weight: 700;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 520px;
  margin: 0 auto 32px;
}
.cta-section .btn-group {
  justify-content: center;
}
/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 0;
  font-size: 14px;
}
.footer-logo {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.footer-logo span {
  color: var(--accent);
}
.site-footer p {
  margin-bottom: 10px;
  line-height: 1.8;
}
.site-footer h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-contact li {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i {
  width: 18px;
  text-align: center;
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  margin-top: 48px;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .header-search {
    min-width: 180px;
  }
  .header-nav a {
    padding: 8px 12px;
    font-size: 14px;
  }
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }
  .header-inner {
    flex-wrap: wrap;
    gap: 14px;
    padding: 14px 0;
    min-height: auto;
  }
  .brand-logo {
    font-size: 20px;
  }
  .header-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 4px;
  }
  .header-nav a {
    flex-shrink: 0;
  }
  .header-search {
    margin-left: auto;
    min-width: 180px;
    flex: 1;
    max-width: 280px;
  }
  .hero-banner {
    padding: 90px 0;
  }
  .hero-banner h1 {
    font-size: 34px;
  }
  .hero-banner p {
    font-size: 16px;
  }
  .section-head h2 {
    font-size: 28px;
  }
  .news-item {
    flex-direction: column;
    padding: 20px;
  }
  .news-item .news-thumb {
    width: 100%;
    height: 160px;
  }
  .cta-section h2 {
    font-size: 26px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .service-grid,
  .process-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }
  .header-search {
    max-width: 100%;
    width: 100%;
  }
  .hero-banner h1 {
    font-size: 28px;
  }
  .btn-group .btn {
    width: 100%;
    justify-content: center;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .faq-item summary {
    padding: 18px 20px;
    font-size: 15px;
  }
}

/* roulang page: category2 */
:root{
  --primary:#1f3a5f;
  --primary-dark:#142c46;
  --accent:#c99d63;
  --accent-light:#f0dfc2;
  --header-bg:rgba(255,255,255,.96);
  --body-bg:#f4f6fa;
  --card-bg:#ffffff;
  --text:#1e2a3a;
  --text-soft:#3f4f62;
  --text-weak:#7b8899;
  --border:#e3e9f1;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 4px 16px rgba(31,58,95,.06);
  --shadow-md:0 10px 30px rgba(31,58,95,.09);
  --shadow-lg:0 18px 48px rgba(31,58,95,.14);
  --space-section:88px;
  --font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
body{margin:0;font-family:var(--font-family);font-size:16px;line-height:1.65;color:var(--text);background:var(--body-bg);-webkit-font-smoothing:antialiased;}
a{color:var(--primary);text-decoration:none;transition:all .3s ease;}
a:hover{color:var(--accent);}
img{max-width:100%;height:auto;display:block;}
button,input,select,textarea{font-family:inherit;}
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button{display:none;}

.grid-container{max-width:1280px;}

.site-header{
  background:var(--header-bg);
  backdrop-filter:blur(14px);
  position:sticky;
  top:0;
  z-index:1000;
  border-bottom:1px solid var(--border);
}
.header-row{padding:14px 0;}
.brand-logo{
  display:inline-flex;
  align-items:baseline;
  font-weight:800;
  font-size:23px;
  letter-spacing:.5px;
  line-height:1.2;
}
.brand-logo .logo-main{color:var(--primary);}
.brand-logo .logo-sub{color:var(--accent);}

.header-search{
  position:relative;
  display:flex;
  align-items:center;
  background:#f0f3f7;
  border:1px solid var(--border);
  border-radius:50px;
  padding:6px 6px 6px 18px;
  max-width:560px;
  transition:border-color .3s,box-shadow .3s,background .3s;
  margin:0 auto;
}
.header-search:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(201,157,99,.15);
  background:#fff;
}
.header-search .search-icon{color:var(--text-weak);font-size:14px;margin-right:10px;}
.search-input{
  flex:1;
  border:0;
  background:transparent;
  font-size:14px;
  padding:8px 0;
  outline:none;
  color:var(--text);
}
.search-input::placeholder{color:var(--text-weak);}
.search-submit{
  border:0;
  background:var(--primary);
  color:#fff;
  padding:8px 20px;
  border-radius:50px;
  font-size:13px;
  font-weight:600;
  transition:all .3s ease;
}
.search-submit:hover{background:var(--accent);color:#1a2436;}

.header-nav{display:flex;align-items:center;justify-content:flex-end;gap:4px;}
.header-nav a{
  padding:8px 14px;
  border-radius:50px;
  font-size:14px;
  font-weight:600;
  color:var(--text-soft);
  transition:all .3s ease;
  white-space:nowrap;
}
.header-nav a:hover{color:var(--primary);background:#eef2f8;}
.header-nav a.active{color:#fff;background:var(--primary);box-shadow:0 6px 16px rgba(31,58,95,.25);}

.nav-toggle{
  display:none;
  border:0;
  background:var(--primary);
  color:#fff;
  width:42px;
  height:42px;
  border-radius:12px;
  font-size:18px;
  align-items:center;
  justify-content:center;
  transition:all .3s ease;
}
.nav-toggle:hover{background:var(--primary-dark);}

.mobile-nav-panel{
  display:none;
  padding:16px 0 22px;
  border-top:1px solid var(--border);
}
.mobile-nav{display:flex;flex-direction:column;gap:8px;}
.mobile-nav a{
  padding:12px 14px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:var(--text-soft);
  background:#f6f8fb;
  transition:all .3s ease;
}
.mobile-nav a:hover{color:var(--primary);background:#edf2f9;}
.mobile-nav a.active{color:#fff;background:var(--primary);}
.mobile-search{
  margin-top:14px;
  display:flex;
  border:1px solid var(--border);
  border-radius:12px;
  overflow:hidden;
  background:#f6f8fb;
}
.mobile-search input{flex:1;border:0;padding:12px 14px;font-size:14px;outline:none;background:transparent;color:var(--text);}
.mobile-search button{border:0;background:var(--primary);color:#fff;padding:0 18px;font-size:14px;transition:background .3s;}
.mobile-search button:hover{background:var(--accent);}

.category-banner{
  position:relative;
  min-height:430px;
  display:flex;
  align-items:center;
  padding:96px 0 84px;
  overflow:hidden;
  background-color:var(--primary-dark);
}
.banner-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:.45;
}
.banner-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(110deg,rgba(20,42,70,.92),rgba(31,58,95,.75) 55%,rgba(31,58,95,.35));
}
.banner-content{position:relative;z-index:2;color:#fff;}
.breadcrumb{margin-bottom:22px;font-size:13px;color:rgba(255,255,255,.7);display:flex;align-items:center;flex-wrap:wrap;gap:8px;}
.breadcrumb a{color:rgba(255,255,255,.85);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb i{font-size:10px;color:rgba(255,255,255,.4);}
.breadcrumb span{color:var(--accent-light);}
.banner-content h1{
  font-size:42px;
  line-height:1.18;
  margin-bottom:16px;
  font-weight:800;
  letter-spacing:.5px;
}
.banner-content .banner-desc{
  font-size:17px;
  max-width:640px;
  color:rgba(255,255,255,.86);
  line-height:1.75;
  margin-bottom:30px;
}
.banner-actions{display:flex;gap:12px;flex-wrap:wrap;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border-radius:50px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:all .3s ease;
  text-decoration:none;
  cursor:pointer;
}
.btn-primary{
  background:var(--accent);
  color:#1a2436;
  border-color:var(--accent);
}
.btn-primary:hover{
  background:var(--accent-light);
  color:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:0 8px 22px rgba(201,157,99,.35);
}
.btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.65);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.15);
  color:#fff;
  border-color:#fff;
  transform:translateY(-2px);
}
.btn-light{
  background:#fff;
  color:var(--primary);
  border-color:#fff;
}
.btn-light:hover{
  background:var(--accent-light);
  color:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:0 8px 22px rgba(0,0,0,.15);
}
.btn-outline-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.75);
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.15);
  border-color:#fff;
  color:#fff;
  transform:translateY(-2px);
}

.section{padding:var(--space-section) 0;}
.section-alt{background:#fff;}
.section-header{margin-bottom:40px;max-width:740px;}
.section-header.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-eyebrow{
  display:inline-block;
  background:var(--accent-light);
  color:#a47938;
  font-size:12px;
  font-weight:700;
  letter-spacing:1px;
  padding:5px 14px;
  border-radius:50px;
  margin-bottom:14px;
  text-transform:uppercase;
}
.section-header h2{
  font-size:31px;
  font-weight:800;
  color:var(--text);
  margin-bottom:10px;
  line-height:1.3;
}
.section-header p{
  color:var(--text-weak);
  font-size:15px;
  line-height:1.7;
  margin:0;
}

.filter-section{
  border-bottom:1px solid var(--border);
  background:#fff;
  padding:26px 0;
  position:sticky;
  top:76px;
  z-index:90;
}
.filter-tabs{display:flex;flex-wrap:wrap;gap:12px;}
.filter-tab{
  border:1px solid var(--border);
  background:#f7f9fc;
  padding:9px 20px;
  border-radius:50px;
  font-size:14px;
  font-weight:600;
  color:var(--text-soft);
  transition:all .3s ease;
  cursor:pointer;
  white-space:nowrap;
}
.filter-tab:hover{
  border-color:var(--primary);
  color:var(--primary);
  background:#f0f4fa;
}
.filter-tab.active{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
  box-shadow:0 6px 16px rgba(31,58,95,.25);
}

.news-grid{row-gap:32px;}
.news-card{
  background:var(--card-bg);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border);
  transition:transform .35s,box-shadow .35s;
  height:100%;
  display:flex;
  flex-direction:column;
}
.news-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.news-card-cover{
  position:relative;
  height:205px;
  overflow:hidden;
  background:#eef2f8;
}
.news-card-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.news-card:hover .news-card-cover img{transform:scale(1.05);}
.card-tag{
  position:absolute;
  left:14px;
  top:14px;
  background:var(--accent);
  color:#1a2436;
  padding:5px 14px;
  border-radius:50px;
  font-size:12px;
  font-weight:700;
  line-height:1.4;
  box-shadow:0 4px 10px rgba(0,0,0,.12);
}
.news-card-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.news-card-body h3{
  font-size:17px;
  line-height:1.48;
  margin-bottom:10px;
  font-weight:700;
}
.news-card-body h3 a{color:var(--text);transition:color .3s;}
.news-card-body h3 a:hover{color:var(--primary);}
.news-card-body p{
  color:var(--text-weak);
  font-size:13px;
  line-height:1.65;
  flex:1;
  margin-bottom:14px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  color:#9aa7b7;
  font-size:12px;
  border-top:1px solid var(--border);
  padding-top:12px;
}
.card-meta a{color:var(--primary);font-weight:600;font-size:13px;}
.card-meta a:hover{color:var(--accent);}

.timeline-section{
  background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.timeline-section::before{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:300px;
  height:300px;
  border-radius:50%;
  background:rgba(201,157,99,.18);
  filter:blur(20px);
}
.timeline-section .section-header h2{color:#fff;}
.timeline-section .section-header p{color:rgba(255,255,255,.65);}
.timeline-section .section-eyebrow{background:rgba(201,157,99,.2);color:var(--accent-light);}
.timeline{
  position:relative;
  max-width:900px;
  margin:0 auto;
  padding:20px 0 8px 40px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:12px;
  top:0;
  bottom:0;
  width:3px;
  background:linear-gradient(to bottom,var(--accent),rgba(201,157,99,.1));
  border-radius:3px;
}
.timeline-item{
  position:relative;
  padding:0 0 40px 24px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;
  left:-36px;
  top:6px;
  width:15px;
  height:15px;
  border-radius:50%;
  background:var(--accent);
  border:3px solid var(--primary-dark);
  box-shadow:0 0 0 3px rgba(201,157,99,.35);
}
.timeline-year{
  font-size:14px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:1px;
  margin:6px 0 10px;
}
.timeline-item h3{font-size:19px;color:#fff;margin-bottom:8px;font-weight:700;}
.timeline-item p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.75;max-width:620px;margin:0;}

.hot-list{list-style:none;margin:0;padding:0;}
.hot-list li{
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px 18px;
  background:#fff;
  border-radius:var(--radius-md);
  border:1px solid var(--border);
  margin-bottom:12px;
  transition:all .3s ease;
  cursor:pointer;
}
.hot-list li:hover{
  border-color:var(--accent);
  box-shadow:var(--shadow-md);
  transform:translateX(4px);
}
.hot-rank{
  min-width:36px;
  height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:#f0f4fa;
  color:var(--primary);
  font-weight:800;
  font-size:14px;
  flex-shrink:0;
}
.hot-list li:nth-child(1) .hot-rank{background:var(--accent);color:#1a2436;}
.hot-list li:nth-child(2) .hot-rank{background:#e7eef9;color:var(--primary);}
.hot-list li:nth-child(3) .hot-rank{background:#e7eef9;color:var(--primary);}
.hot-content{flex:1;min-width:0;}
.hot-content h3{font-size:15px;margin-bottom:4px;font-weight:600;color:var(--text);line-height:1.4;}
.hot-content p{font-size:12px;color:var(--text-weak);margin:0;line-height:1.5;}
.hot-meta{font-size:12px;color:#9aa7b7;white-space:nowrap;flex-shrink:0;}

.guarantee-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.guarantee-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:22px 18px;
  text-align:center;
  transition:all .3s ease;
}
.guarantee-item:hover{
  border-color:var(--accent);
  box-shadow:var(--shadow-md);
  transform:translateY(-3px);
}
.guarantee-icon{
  width:48px;
  height:48px;
  border-radius:14px;
  background:#eef4fb;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  margin-bottom:12px;
}
.guarantee-item h4{font-size:15px;margin-bottom:5px;color:var(--text);font-weight:700;}
.guarantee-item p{font-size:12px;color:var(--text-weak);margin:0;line-height:1.6;}

.faq-section{background:#fff;}
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .3s,box-shadow .3s;
}
.faq-item[open]{border-color:var(--accent);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;
  padding:18px 22px;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  transition:color .3s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-icon{
  margin-left:auto;
  width:26px;
  height:26px;
  border-radius:50%;
  background:#eef2f8;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  flex-shrink:0;
  transition:transform .3s,background .3s;
}
.faq-item[open] summary .faq-icon{
  transform:rotate(45deg);
  background:var(--accent);
  color:#1a2436;
}
.faq-answer{
  padding:0 22px 20px;
  color:var(--text-weak);
  font-size:14px;
  line-height:1.8;
}
.faq-answer p{margin-bottom:6px;}
.faq-answer p:last-child{margin-bottom:0;}

.cta-box{
  background:linear-gradient(120deg,var(--primary) 0%,var(--primary-dark) 100%);
  border-radius:var(--radius-lg);
  padding:52px 56px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-box::before{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:240px;
  height:240px;
  border-radius:50%;
  background:rgba(201,157,99,.25);
  filter:blur(10px);
}
.cta-box::after{
  content:"";
  position:absolute;
  left:30%;
  bottom:-100px;
  width:220px;
  height:220px;
  border-radius:50%;
  background:rgba(255,255,255,.06);
  filter:blur(16px);
}
.cta-box h2{font-size:27px;color:#fff;margin-bottom:12px;line-height:1.35;font-weight:800;}
.cta-box p{color:rgba(255,255,255,.8);max-width:440px;font-size:15px;line-height:1.7;margin:0;}
.cta-buttons{display:flex;gap:12px;justify-content:flex-end;position:relative;z-index:2;flex-wrap:wrap;}

.site-footer{
  background:#101b2a;
  color:rgba(255,255,255,.75);
  padding:60px 0 24px;
}
.footer-top{margin-bottom:40px;}
.footer-logo{
  font-size:23px;
  font-weight:800;
  color:#fff;
  letter-spacing:.5px;
}
.footer-logo span{color:var(--accent);}
.site-footer p{
  font-size:13px;
  line-height:1.75;
  color:rgba(255,255,255,.58);
  margin-top:14px;
  max-width:320px;
}
.site-footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:18px;
  font-weight:700;
}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.62);font-size:13px;transition:color .3s,padding-left .3s;}
.footer-links a:hover{color:var(--accent);padding-left:4px;}
.footer-contact{list-style:none;margin:0;padding:0;}
.footer-contact li{font-size:13px;margin-bottom:10px;color:rgba(255,255,255,.55);display:flex;align-items:center;gap:8px;}
.footer-contact i{color:var(--accent);width:16px;text-align:center;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:22px;
  text-align:center;
}
.footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.4);}

@media (max-width:1024px){
  :root{--space-section:68px;}
  .banner-content h1{font-size:35px;}
  .header-nav a{padding:8px 10px;font-size:13px;}
  .cta-box{padding:42px 34px;}
  .cta-box h2{font-size:23px;}
}
@media (max-width:768px){
  .category-banner{min-height:380px;padding:76px 0 66px;}
  .filter-section{position:static;}
  .filter-tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
  .filter-tabs::-webkit-scrollbar{display:none;}
  .filter-tab{flex-shrink:0;}
  .section-header h2{font-size:24px;}
  .timeline{padding-left:28px;}
  .timeline-item::before{left:-31px;}
  .guarantee-grid{grid-template-columns:1fr 1fr;}
  .cta-box{padding:34px 24px;}
  .cta-buttons{justify-content:flex-start;}
  .site-footer .grid-x{row-gap:30px;}
  .nav-toggle{display:inline-flex;}
  .header-search{display:none;}
  .header-nav-cell{display:none;}
  .mobile-nav-panel{display:none;}
  .mobile-nav-panel.expanded{display:block;}
  .header-brand-cell{max-width:60%;}
  .header-right-cell{max-width:40%;display:flex;justify-content:flex-end;}
  .timeline-year{font-size:13px;}
  .hot-list li{gap:12px;padding:13px 14px;}
  .hot-meta{display:none;}
}
@media (max-width:520px){
  .banner-content h1{font-size:27px;}
  .banner-content .banner-desc{font-size:15px;}
  .site-header .header-row{padding:10px 0;}
  .brand-logo{font-size:20px;}
  .guarantee-grid{grid-template-columns:1fr;}
  .cta-box{padding:30px 20px;}
  .cta-box h2{font-size:21px;}
  .btn{padding:11px 20px;font-size:14px;}
  .section-header h2{font-size:22px;}
  .timeline-item h3{font-size:17px;}
  .timeline-item p{font-size:13px;}
  .section-eyebrow{font-size:11px;}
}