/* roulang page: index */
:root {
    --primary: #0C3D2E;
    --primary-dark: #06231B;
    --primary-light: #14523D;
    --accent: #D8FF3E;
    --accent-hover: #c4f025;
    --paper: #F5F6F2;
    --ink: #13201A;
    --muted: #5B6B60;
    --line: #E2E8DF;
    --radius-card: 16px;
    --radius-btn: 10px;
    --shadow-card: 0 8px 24px rgba(15,45,35,0.05);
    --shadow-card-hover: 0 20px 40px rgba(10,40,28,0.10);
    --container: 1240px;
    --gap: 24px;
  }

  html {

    scroll-behavior: smooth;
  }
  body {
    font-family: 'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.75;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
  }
  .container-site {
    max-width: var(--container);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--gap);
    padding-right: var(--gap);
  }
  ::selection {
    background: var(--accent);
    color: var(--primary-dark);
  }
  img { max-width: 100%; height: auto; }

  /* 导航 */
  .site-nav { background: var(--primary); }
  .site-nav .nav-top {
    display: flex; align-items: center; justify-content: space-between;
    height: 44px; border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .site-nav .logo-area {
    display: flex; align-items: center; gap: 8px;
  }
  .logo-mark {
    width: 26px; height: 26px; border-radius: 6px;
    background: var(--accent); display: flex; align-items: center; justify-content: center;
    font-weight: 800; color: var(--primary-dark); font-size: 14px;
  }
  .site-nav .nav-bottom {
    height: 56px; display: flex; align-items: center; justify-content: space-between;
  }
  .site-nav .nav-links {
    display: flex; gap: 6px; align-items: center; height: 100%;
  }
  .site-nav .nav-links a {
    display: inline-flex; align-items: center; height: 100%;
    color: rgba(255,255,255,0.85); font-size: 15px; font-weight: 500;
    padding: 0 16px; position: relative; transition: color .2s;
    text-decoration: none;
  }
  .site-nav .nav-links a:hover { color: #fff; }
  .site-nav .nav-links a.active {
    color: var(--accent);
  }
  .site-nav .nav-links a.active::after,
  .site-nav .nav-links a:hover::after {
    content: ''; position: absolute; bottom: 0; left: 16px; right: 16px; height: 2px;
  }
  .site-nav .nav-links a.active::after { background: var(--accent); }
  .site-nav .nav-links a:not(.active):hover::after { background: rgba(255,255,255,0.5); }
  .site-nav .nav-right {
    display: flex; align-items: center; gap: 18px;
  }
  .site-nav .hot-line {
    display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.95);
    font-size: 14px; letter-spacing: 0.02em;
  }
  .site-nav .search-btn {
    width: 34px; height: 34px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.2);
    display: flex; align-items: center; justify-content: center; color: white;
    transition: all .2s; background: transparent; cursor: pointer;
  }
  .site-nav .search-btn:hover {
    background: rgba(255,255,255,0.1); border-color: var(--accent); color: var(--accent);
  }
  .mobile-menu-btn {
    display: none; width: 40px; height: 40px; border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.25); background: transparent;
    color: white; align-items: center; justify-content: center; font-size: 22px; cursor: pointer;
  }
  .mobile-menu-panel {
    display: none; background: var(--primary-dark);
    padding: 8px 24px 18px;
  }
  .mobile-menu-panel a {
    display: block; color: rgba(255,255,255,0.9); padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-size: 16px; text-decoration: none;
  }
  .mobile-menu-panel a.active { color: var(--accent); }
  .mobile-menu-panel a:last-child { border-bottom: none; }

  @media (max-width: 860px) {
    .site-nav .nav-bottom { display: none; }
    .mobile-menu-btn { display: flex; }
    .site-nav .nav-top { height: 52px; }
    .site-nav .hot-line { display: none; }
  }

  /* 通用按钮 */
  .btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px; border-radius: var(--radius-btn); padding: 12px 24px;
    font-size: 15px; font-weight: 600; line-height: 1.2;
    transition: all 0.25s ease; cursor: pointer; text-decoration: none;
    border: 1px solid transparent;
  }
  .btn .arrow { transition: transform .25s ease; display: inline-block; }
  .btn:hover .arrow { transform: translateX(4px); }
  .btn-accent {
    background: var(--accent); color: var(--primary-dark);
  }
  .btn-accent:hover {
    background: var(--accent-hover); color: var(--primary-dark);
    box-shadow: 0 8px 24px rgba(216,255,62,0.25);
    transform: translateY(-1px);
  }
  .btn-primary {
    background: var(--primary); color: white;
  }
  .btn-primary:hover {
    background: var(--primary-light); border-color: var(--primary-light);
    transform: translateY(-1px);
  }
  .btn-outline-white {
    background: transparent; color: #fff; border-color: rgba(255,255,255,0.6);
  }
  .btn-outline-white:hover {
    border-color: var(--accent); color: var(--accent);
  }

  /* 焦点可见 */
  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  textarea:focus-visible,
  select:focus-visible,
  summary:focus-visible {
    outline: 2px solid var(--accent) !important;
    outline-offset: 2px;
  }

  /* 区块 */
  .section { padding: 96px 0; }
  .section-sm { padding: 56px 0; }
  @media (max-width: 768px) {
    .section { padding: 60px 0; }
    .section-sm { padding: 40px 0; }
  }

  .eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-size: 14px; font-weight: 600; letter-spacing: 0.08em;
    color: var(--primary); text-transform: uppercase;
  }
  .eyebrow-accent { color: var(--accent); }
  .eyebrow-line {
    width: 28px; height: 2px; background: var(--accent); display: inline-block;
  }

  /* hero */
  .hero-section {
    background-image: linear-gradient(115deg, rgba(6,35,27,0.82) 20%, rgba(12,61,46,0.72) 55%, rgba(6,35,27,0.35) 100%), url('/assets/images/backpic/back-1.png');
    background-size: cover; background-position: center;
    min-height: 610px; display: flex; align-items: center;
    color: white; position: relative;
  }
  @media (max-width: 768px) {
    .hero-section { min-height: 480px; }
  }
  .hero-content { padding: 88px 0 72px; }
  .hero-title {
    font-size: clamp(2.8rem, 5.4vw, 5.4rem);
    font-weight: 800; line-height: 1.08; letter-spacing: -0.02em;
    max-width: 8em; margin-bottom: 20px;
  }
  .hero-sub {
    font-size: 18px; line-height: 1.8; color: rgba(255,255,255,0.85);
    max-width: 520px; margin-bottom: 34px;
  }
  .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

  .hero-metrics {
    display: flex; gap: 44px; margin-top: 54px;
    flex-wrap: wrap;
  }
  .hero-metrics .metric {
    border-left: 2px solid var(--accent);
    padding-left: 14px;
  }
  .hero-metrics .num {
    font-size: 28px; font-weight: 800; line-height: 1.2;
  }
  .hero-metrics .txt {
    font-size: 13px; color: rgba(255,255,255,0.7);
    letter-spacing: 0.05em;
  }
  @media (max-width: 640px) {
    .hero-metrics { gap: 18px; }
    .hero-metrics .metric { flex: 1; min-width: 100px; }
  }

  .trust-bar {
    background: var(--primary-dark);
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .trust-inner {
    height: 90px; display: flex; align-items: center; justify-content: space-between;
    gap: 22px; flex-wrap: wrap;
  }
  @media (max-width: 768px) {
    .trust-inner { height: auto; padding: 22px 0; gap: 16px; }
  }
  .trust-item {
    display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.72);
    font-size: 14px;
  }
  .trust-item svg { color: var(--accent); flex-shrink: 0; }
  .trust-item strong { color: #fff; font-size: 16px; font-weight: 700; }

  /* 卡片通用 */
  .card-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .card-lift:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
  }

  /* 优惠阶梯 */
  .offer-section {
    background: var(--paper);
  }
  .offer-grid {
    display: flex; align-items: flex-start; justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
  }
  .offer-card {
    background: #fff; border-radius: var(--radius-card);
    box-shadow: var(--shadow-card); flex: 1 1 0%;
    min-width: 260px; max-width: 360px;
    padding: 32px 28px;
    position: relative;
    transition: transform .3s, box-shadow .3s;
  }
  .offer-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
  }
  .offer-card.mid {
    background: var(--primary); color: #fff;
    transform: translateY(-20px);
    box-shadow: 0 16px 36px rgba(12,61,46,0.28);
  }
  .offer-card.mid:hover {
    transform: translateY(-22px);
    box-shadow: 0 22px 44px rgba(12,61,46,0.32);
  }
  @media (max-width: 980px) {
    .offer-card.mid { transform: none; }
    .offer-card.mid:hover { transform: translateY(-2px); }
    .offer-grid { gap: 18px; }
  }
  @media (max-width: 768px) {
    .offer-grid { flex-direction: column; align-items: center; }
    .offer-card { width: 100%; max-width: 500px; }
  }
  .offer-tag {
    position: absolute; top: -10px; right: 20px;
    background: var(--accent); color: var(--primary-dark);
    font-size: 12px; font-weight: 700; letter-spacing: 0.06em;
    padding: 3px 12px; border-radius: 100px;
  }
  .offer-price { font-size: 42px; font-weight: 800; line-height: 1.1; }
  .offer-feature-list { margin: 20px 0 26px; display: grid; gap: 10px; }
  .offer-feature-list li { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; line-height: 1.6; }
  .offer-feature-list li svg { flex-shrink: 0; margin-top: 3px; }

  /* comparison table */
  .cmp-wrap { overflow-x: auto; }
  .cmp-table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 760px; }
  .cmp-table th, .cmp-table td {
    padding: 16px 20px; text-align: left; font-size: 14px;
    border-bottom: 1px solid var(--line);
  }
  .cmp-table thead th {
    background: var(--paper); font-weight: 700; color: var(--ink);
    border-top: 1px solid var(--line);
  }
  .cmp-table thead th:first-child { border-radius: 12px 0 0 0; }
  .cmp-table thead th:last-child { border-radius: 0 12px 0 0; }
  .cmp-table thead th:last-child { border-bottom: 2px solid var(--primary); }
  .cmp-table td { border-right: none; }
  .cmp-table tbody tr:last-child td { border-bottom: none; }
  .cmp-table .col-feature { font-weight: 600; color: var(--ink); width: 26%; }
  .cmp-table .col-brand {
    background: rgba(216,255,62,0.10);
    border-left: 2px solid var(--accent); border-right: 2px solid var(--accent);
  }
  @media (max-width: 640px) {
    .cmp-table { min-width: 600px; }
    .cmp-wrap { margin: 0 -10px; padding: 0 10px; }
  }

  /* 限时 */
  .countdown-sec {
    background: var(--primary);
    background-image: linear-gradient(115deg, var(--primary), var(--primary-dark));
    color: #fff; position: relative; overflow: hidden;
  }
  .countdown-sec::before {
    content: ''; position: absolute; right: -80px; top: -80px;
    width: 300px; height: 300px; border-radius: 50%;
    background: rgba(216,255,62,0.08);
  }
  .countdown-grid { display: flex; gap: 14px; align-items: center; }
  .cd-item {
    background: #fff; color: var(--primary); border-radius: 12px;
    padding: 12px 10px; width: 68px; text-align: center;
  }
  .cd-item .cd-num { font-size: 30px; font-weight: 800; line-height: 1.1; }
  .cd-item .cd-txt { font-size: 12px; color: var(--muted); letter-spacing: 0.04em; }
  @media (max-width: 640px) {
    .cd-item { width: 56px; padding: 8px 4px; }
    .cd-item .cd-num { font-size: 22px; }
  }

  /* 资讯 */
  .news-section { background: var(--paper); }
  .news-grid {
    display: grid; grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 24px;
  }
  @media (max-width: 768px) {
    .news-grid { grid-template-columns: 1fr; }
  }
  .news-card {
    background: #fff; border-radius: var(--radius-card); overflow: hidden;
    box-shadow: var(--shadow-card); transition: all .3s ease;
    display: flex; flex-direction: column;
  }
  .news-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
  }
  .news-card .card-img {
    height: 200px; overflow: hidden; background: #eef1ea;
    position: relative;
  }
  .news-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
  .news-card:hover .card-img img { transform: scale(1.03); }
  .news-card .card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
  .news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; font-size: 13px; color: var(--muted); }
  .news-tag {
    background: rgba(12,61,46,0.08); color: var(--primary);
    font-size: 12px; font-weight: 600;
    padding: 2px 10px; border-radius: 100px; letter-spacing: 0.03em;
  }
  .news-card h3 { font-size: 19px; font-weight: 700; line-height: 1.65; margin-bottom: 8px; color: var(--ink); }
  .news-card h3 a { color: inherit; text-decoration: none; }
  .news-card h3 a:hover { color: var(--primary); }
  .news-card p { color: var(--muted); font-size: 14px; line-height: 1.8; }
  .empty-tip {
    grid-column: 1 / -1; border: 2px dashed var(--line);
    border-radius: var(--radius-card); padding: 60px 20px;
    text-align: center; color: var(--muted);
  }

  /* FAQ */
  .faq-list { display: grid; gap: 0; max-width: 900px; margin: 0 auto; }
  .faq-item { border-bottom: 1px solid var(--line); background: #fff; }
  .faq-item:first-child { border-top: 1px solid var(--line); }
  .faq-item summary {
    list-style: none; cursor: pointer; display: flex; align-items: center;
    padding: 24px 4px; gap: 16px; font-size: 17px; font-weight: 700;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary .faq-icon {
    width: 28px; height: 28px; border-radius: 50%; background: var(--primary);
    color: var(--accent); flex-shrink: 0; display: flex; align-items: center;
    justify-content: center; font-size: 15px;
    transition: transform .3s;
  }
  .faq-item[open] summary .faq-icon { transform: rotate(45deg); background: var(--accent); color: var(--primary-dark); }
  .faq-item .faq-a {
    padding: 0 4px 24px 48px; color: var(--muted); font-size: 15px; line-height: 1.9;
  }

  /* form */
  .cta-section {
    background: var(--primary-dark); color: #fff;
    position: relative;
  }
  .cta-grid {
    display: grid; grid-template-columns: 5fr 7fr; gap: 56px;
  }
  @media (max-width: 900px) {
    .cta-grid { grid-template-columns: 1fr; gap: 32px; }
  }
  .contact-info .info-item { display: flex; gap: 12px; margin-bottom: 22px; align-items: flex-start; }
  .contact-info svg { color: var(--accent); flex-shrink: 0; }
  .form-card {
    background: #fff; border-radius: var(--radius-card); padding: 32px;
    box-shadow: 0 14px 40px rgba(0,0,0,0.18);
  }
  .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  @media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
  .form-field label { font-size: 14px; font-weight: 600; margin-bottom: 8px; display: block; color: var(--ink); }
  .form-field input, .form-field select, .form-field textarea {
    width: 100%; padding: 12px 14px; border: 1px solid #d8e0d4;
    border-radius: 8px; font-size: 15px; background: #fff;
    transition: border-color .2s, box-shadow .2s; color: var(--ink);
  }
  .form-field input:focus, .form-field select:focus, .form-field textarea:focus {
    border-color: var(--primary); outline: none;
    box-shadow: 0 0 0 3px rgba(12,61,46,0.1);
  }
  .privacy-note {
    display: flex; align-items: center; gap: 6px; margin-top: 12px;
    font-size: 12px; color: var(--muted);
  }

  /* footer */
  .site-footer { background: #0b1a15; color: #94A89B; font-size: 14px; }
  .site-footer.footer-top-border { border-top: 2px solid var(--accent); }
  .site-footer a { color: #B4C7B9; text-decoration: none; transition: color .2s; }
  .site-footer a:hover { color: var(--accent); }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 13px;
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }

  /* 区块编号 */
  .section-num {
    font-size: 14px; font-weight: 700; color: var(--accent);
    letter-spacing: 0.1em;
  }

  /* 分类徽章 */
  .badge-cat {
    background: rgba(216,255,62,0.18); color: var(--primary);
    font-size: 12px; font-weight: 600; padding: 2px 10px;
    border-radius: 100px; letter-spacing: 0.03em;
  }
  .dark-badge {
    background: rgba(216,255,62,0.12); color: var(--accent);
    border: 1px solid rgba(216,255,62,0.2);
  }

  /* mobile menu open */
  @media (max-width: 860px) {
    .mobile-menu-panel.open { display: block; }
  }

/* roulang page: category1 */
:root{
  --primary:#0C3D2E;
  --primary-deep:#06231B;
  --accent:#D8FF3E;
  --bg:#F5F6F2;
  --card:#FFFFFF;
  --text:#13201A;
  --muted:#5B6B60;
  --line:#E2E8DF;
  --radius:16px;
  --shadow-card:0 8px 24px rgba(15,45,35,.05);
  --shadow-hover:0 20px 40px rgba(10,40,28,.10);
  --container:1240px;
  --gutter:24px;
}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button,input,select,textarea{font-family:inherit}
.container-site{max-width:var(--container);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.section-block{padding:84px 0}
.section-label{
  display:inline-flex;align-items:center;gap:10px;
  font-size:14px;font-weight:600;letter-spacing:.18em;
  color:var(--primary);text-transform:uppercase;
}
.section-label::before{content:"";display:block;width:26px;height:2px;background:var(--accent)}
.section-title{font-size:clamp(30px,4vw,46px);line-height:1.2;font-weight:800;letter-spacing:-.02em;color:var(--text);margin-top:10px}
.section-intro{font-size:17px;line-height:1.9;color:var(--muted);max-width:680px;margin-top:14px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;border:1px solid var(--primary);
  border-radius:10px;padding:14px 28px;font-size:16px;font-weight:600;
  transition:all .22s ease;gap:10px;cursor:pointer;line-height:1.4;
}
.btn-main i{transition:transform .22s ease}
.btn-main:hover{background:#0e4f3a;border-color:#0e4f3a;transform:translateY(-1px)}
.btn-main:hover i{transform:translateX(4px)}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent);color:var(--primary-deep);border:1px solid var(--accent);
  border-radius:10px;padding:14px 28px;font-size:16px;font-weight:800;
  transition:all .22s ease;gap:10px;cursor:pointer;line-height:1.4;
}
.btn-accent i{transition:transform .22s ease}
.btn-accent:hover{background:#cff63a;border-color:#cff63a;transform:translateY(-1px)}
.btn-accent:hover i{transform:translateX(4px)}
.btn-outline-white{
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.65);
  border-radius:10px;padding:14px 28px;font-size:16px;font-weight:600;
  transition:all .22s ease;gap:10px;cursor:pointer;
}
.btn-outline-white:hover{background:#fff;color:var(--primary-deep);border-color:#fff}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
::selection{background:var(--accent);color:var(--primary-deep)}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:var(--primary-deep);color:#fff;box-shadow:0 6px 20px rgba(6,35,27,.20)}
.header-top{background:var(--primary-deep);border-bottom:1px solid rgba(255,255,255,.06)}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;height:52px}
.brand-lockup{display:flex;align-items:center;gap:10px}
.logo-mark{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  background:var(--accent);color:var(--primary-deep);font-weight:900;
  font-size:17px;border-radius:9px;line-height:1;
}
.brand-name{font-size:20px;font-weight:800;letter-spacing:.01em;color:#fff;line-height:1.2}
.brand-suffix{color:var(--accent);font-size:10px;font-weight:600;letter-spacing:.05em;margin-left:3px;vertical-align:super}
.header-actions{display:flex;align-items:center;gap:18px}
.header-search{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.75);cursor:pointer;transition:color .2s}
.header-search:hover{color:var(--accent)}
.header-search i,.header-phone i{font-size:14px}
.header-phone{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:#fff}
.header-phone i{color:var(--accent)}
.nav-bottom{background:var(--primary-deep)}
.nav-bottom-inner{display:flex;align-items:stretch;justify-content:space-between;min-height:56px}
.nav-links{display:flex;align-items:stretch}
.nav-links a{
  position:relative;display:flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:rgba(255,255,255,.86);
  padding:0 18px;transition:color .2s ease;letter-spacing:.01em;
}
.nav-links a i{font-size:13px;opacity:.7}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{content:"";position:absolute;left:18px;right:18px;bottom:0;height:3px;background:rgba(255,255,255,.85);border-radius:3px 3px 0 0}
.nav-links a.active{color:var(--accent);font-weight:700}
.nav-links a.active::after{content:"";position:absolute;left:18px;right:18px;bottom:0;height:3px;background:var(--accent);border-radius:3px 3px 0 0}
.nav-bottom .hot-links{display:flex;align-items:center;gap:8px;font-size:13px;white-space:nowrap;color:rgba(255,255,255,.45)}
.nav-bottom .hot-links a{color:rgba(255,255,255,.65);transition:color .2s;position:relative;padding:0 2px}
.nav-bottom .hot-links a:hover{color:var(--accent)}
.nav-mobile-toggle{display:none;background:transparent;border:0;color:#fff;font-size:24px;width:42px;height:42px;align-items:center;justify-content:center;cursor:pointer}
.mobile-nav{display:none;position:absolute;top:0;left:0;width:82%;max-width:320px;min-height:100vh;background:var(--primary-deep);z-index:180;padding:24px;box-shadow:4px 0 24px rgba(0,0,0,.3)}
.mobile-nav.open{display:block;animation:slideIn .28s ease}
.mobile-nav-backdrop{display:none;position:fixed;inset:0;background:rgba(6,35,27,.55);z-index:170}
@keyframes slideIn{from{transform:translateX(-100%)}to{transform:translateX(0)}}
.mobile-nav-link{display:block;color:rgba(255,255,255,.9);font-size:16px;font-weight:600;padding:13px 6px;border-bottom:1px solid rgba(255,255,255,.1)}
.mobile-nav-link.active{color:var(--accent)}
.mobile-nav-close{position:absolute;right:18px;top:16px;background:transparent;border:0;color:#fff;font-size:22px;cursor:pointer}

/* hero */
.hero-category{
  position:relative;background:linear-gradient(108deg,#071f1a 0%,#0C3D2E 54%,#10513c 100%);
  color:#fff;overflow:hidden;
}
.hero-category-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.25}
.hero-category-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,35,27,.88) 20%,rgba(6,35,27,.48) 70%,rgba(12,61,46,.25));}
.hero-category-content{position:relative;z-index:2;padding:80px 0 70px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(216,255,62,.14);border:1px solid rgba(216,255,62,.35);color:var(--accent);font-size:13px;letter-spacing:.16em;font-weight:600;padding:7px 14px;border-radius:999px;margin-bottom:24px}
.hero-category h1{font-size:clamp(36px,5.6vw,72px);line-height:1.08;font-weight:900;letter-spacing:-.035em;max-width:760px}
.hero-category h1 .hl{color:var(--accent)}
.hero-sub{max-width:560px;margin-top:20px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.82)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-data-row{display:flex;flex-wrap:wrap;gap:28px;margin-top:52px;border-top:1px solid rgba(255,255,255,.16);padding-top:28px;max-width:860px}
.hero-data{display:flex;gap:14px;align-items:center}
.hero-data i{font-size:22px;color:var(--accent);width:30px;text-align:center}
.hero-data strong{display:block;font-size:24px;font-weight:800;line-height:1.2}
.hero-data span{font-size:13px;color:rgba(255,255,255,.6);line-height:1.4}

/* two column content with anchor */
.content-anchor-layout{padding:88px 0}
.anchor-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px}
.anchor-body .content-unit{margin-bottom:80px}
.unit-no{
  font-size:13px;letter-spacing:.16em;color:var(--primary);font-weight:700;display:flex;align-items:center;gap:10px;
}
.unit-no i{width:30px;height:30px;border-radius:8px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-style:normal;font-size:14px;font-weight:800}
.anchor-body h2{font-size:clamp(26px,2.6vw,34px);font-weight:800;line-height:1.25;margin:12px 0 14px;letter-spacing:-.02em}
.anchor-body .lead{font-size:16px;line-height:1.9;color:var(--muted);margin-bottom:18px}
.simple-list{display:grid;gap:12px;margin-top:14px}
.simple-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--text);align-items:flex-start}
.simple-list li i{color:var(--primary);margin-top:6px}
.anchor-rail{position:sticky;top:140px;align-self:start}
.rail-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-card);border:1px solid var(--line);padding:26px;overflow:hidden}
.rail-card::before{content:"";display:block;height:4px;background:var(--accent);margin:-26px -26px 20px}
.rail-title{font-size:16px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:8px;margin-bottom:16px}
.rail-title i{color:var(--primary)}
.rail-links{display:grid;gap:4px}
.rail-links a{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 12px;border-radius:8px;font-size:14px;color:var(--muted);
  transition:all .2s ease;font-weight:500;
}
.rail-links a span{display:flex;align-items:center;gap:8px}
.rail-links a i{font-size:12px;color:var(--line)}
.rail-links a:hover{background:var(--bg);color:var(--primary)}
.rail-note{margin-top:20px;padding:16px;background:var(--bg);border-radius:12px;font-size:13px;color:var(--muted);line-height:1.7}
.rail-note strong{color:var(--text);font-size:14px;display:block;margin-bottom:6px;font-weight:700}

/* module image */
.module-photo{border-radius:18px;overflow:hidden;box-shadow:var(--shadow-card);margin:22px 0 14px}
.module-photo img{width:100%;height:330px;object-fit:cover;transition:transform .5s ease}
.module-photo:hover img{transform:scale(1.03)}
.tag-pill{display:inline-block;font-size:13px;font-weight:600;color:var(--primary);background:rgba(12,61,46,.08);padding:5px 12px;border-radius:999px;margin:0 8px 8px 0;letter-spacing:.02em}
.deliver-box{border:1px solid var(--line);border-left:4px solid var(--primary);padding:18px 22px;border-radius:12px;background:#fff;margin-top:18px}
.deliver-box strong{display:block;margin-bottom:6px}

/* scenes cards */
.scene-wrap{padding:88px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.card-scene{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 8px 24px rgba(15,45,35,.04);transition:all .24s ease;height:100%}
.card-scene:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.card-scene-photo{height:190px;border-radius:12px;overflow:hidden;margin-bottom:18px}
.card-scene-photo img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card-scene:hover .card-scene-photo img{transform:scale(1.04)}
.card-scene h3{font-size:20px;font-weight:800;margin-bottom:10px;letter-spacing:-.01em}
.card-scene p{font-size:15px;line-height:1.8;color:var(--muted)}
.card-scene .scene-icon{width:42px;height:42px;background:var(--primary);border-radius:11px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;margin-bottom:16px}

/* process step */
.process-wrap{padding:88px 0}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:44px}
.process-step{background:#fff;border-radius:18px;padding:32px 26px;border:1px solid var(--line);box-shadow:0 8px 24px rgba(15,45,35,.04);position:relative;transition:all .24s}
.process-step:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.process-no{position:absolute;top:22px;right:24px;font-size:34px;font-weight:900;color:rgba(12,61,46,.1);letter-spacing:-.03em}
.process-icon{width:48px;height:48px;border-radius:12px;background:rgba(216,255,62,.25);display:flex;align-items:center;justify-content:center;color:var(--primary-deep);font-size:20px;margin-bottom:16px}
.process-step h3{font-size:18px;font-weight:800;margin-bottom:8px}
.process-step p{font-size:14px;line-height:1.8;color:var(--muted)}

/* faq */
.faq-wrap{padding:88px 0;background:#fff;border-top:1px solid var(--line)}
.faq-main{max-width:840px;margin:38px auto 0}
.faq-item{border-bottom:1px solid var(--line);padding:24px 6px}
.faq-q{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;cursor:pointer;font-size:19px;font-weight:800;color:var(--text);transition:color .2s;line-height:1.5}
.faq-q:hover{color:var(--primary)}
.faq-q i{margin-top:6px;transition:transform .2s;color:var(--primary);font-size:18px}
.faq-q.open i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;line-height:1.9;color:var(--muted);font-size:16px}
.faq-a-inner{padding-top:12px;padding-right:42px}

/* cta form */
.cta-form-wrap{padding:88px 0;background:var(--primary-deep);color:#fff;overflow:hidden}
.form-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:60px}
.form-intro h2{font-size:clamp(28px,3vw,40px);font-weight:800;line-height:1.2;color:#fff}
.form-intro p{margin-top:18px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.74)}
.contact-method{display:grid;gap:14px;margin-top:34px}
.contact-method li{display:flex;gap:14px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.78)}
.contact-method i{color:var(--accent);font-size:17px;margin-top:4px}
.cta-form-card{background:#fff;color:var(--text);border-radius:20px;padding:34px;box-shadow:0 24px 50px rgba(0,0,0,.25)}
.cta-form-card h3{font-size:22px;font-weight:900;margin-bottom:6px}
.cta-form-card .form-sub{font-size:14px;color:var(--muted);margin-bottom:22px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:14px;font-weight:700;margin-bottom:6px}
.form-field input,.form-field select,.form-field textarea{
  width:100%;border:1px solid var(--line);background:var(--bg);border-radius:10px;
  padding:13px 14px;font-size:15px;color:var(--text);transition:border .2s ease,background .2s;
  outline:none;
}
.form-field textarea{min-height:90px;resize:vertical}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--primary);background:#fff}
.cta-form-note{margin-top:14px;font-size:12px;color:#94A89B;line-height:1.6;display:flex;gap:8px}
.cta-form-note i{color:var(--primary);margin-top:2px}

/* footer */
.site-footer{background:#06231B;color:#d7e1d9}
.footer-top-border{border-top:2px solid var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;margin-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.55)}
.footer-link-list{list-style:none;display:grid;gap:10px;font-size:14px;color:#a3b5b0}
.footer-link-list a{transition:color .2s ease}
.footer-link-list a:hover{color:var(--accent)}

/* responsive */
@media(max-width:1024px){
  .header-search{display:none}
  .anchor-grid{grid-template-columns:1fr;gap:40px}
  .anchor-rail{position:static}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr;gap:40px}
}
@media(max-width:768px){
  .section-block,.scene-wrap,.process-wrap,.faq-wrap,.cta-form-wrap{padding:56px 0}
  .content-anchor-layout{padding:56px 0}
  .nav-links{display:none}
  .nav-bottom .hot-links{display:none}
  .mobile-toggle-row{display:flex;align-items:center;flex:1;justify-content:flex-end}
  .nav-mobile-toggle{display:flex}
  .brand-name{font-size:18px}
  .hero-category-content{padding:58px 0 50px}
  .hero-data-row{gap:18px}
  .hero-actions{flex-direction:column;align-items:flex-start}
  .hero-actions .btn-main,.hero-actions .btn-outline-white{width:100%}
  .process-grid{grid-template-columns:1fr}
  .cta-form-card{padding:24px}
  .anchor-body .content-unit{margin-bottom:56px}
  .footer-link-list{grid-template-columns:1fr}
}
@media(max-width:520px){
  .section-title{font-size:30px}
  .hero-category h1{font-size:36px;line-height:1.15}
  .contact-method{grid-template-columns:1fr}
  .faq-q{font-size:17px}
}
@media(max-width:480px){
  .header-top-inner{height:48px}
  .header-phone span{display:none}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* roulang page: article */
:root {
        --primary: #0C3D2E;
        --primary-dark: #06231B;
        --accent: #D8FF3E;
        --bg: #F5F6F2;
        --card-bg: #ffffff;
        --text: #13201A;
        --muted: #5B6B60;
        --border: #E2E8DF;
        --radius-card: 16px;
        --radius-btn: 10px;
        --shadow-card: 0 8px 24px rgba(15, 45, 35, 0.05);
        --shadow-hover: 0 20px 40px rgba(10, 40, 28, 0.10);
        --font-sys: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-sys);
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }

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

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

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

    .container-site {
        max-width: 1240px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    /* header */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: var(--primary);
        color: #fff;
    }

    .topbar {
        background: var(--primary-dark);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .topbar-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 44px;
        gap: 16px;
    }

    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .logo-mark {
        background: var(--accent);
        color: var(--primary-dark);
        width: 30px;
        height: 30px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 900;
        font-size: 16px;
    }

    .brand-name {
        font-size: 20px;
        font-weight: 800;
        letter-spacing: 0.5px;
        line-height: 1;
        color: #fff;
    }

    .brand-tag {
        display: inline-block;
        margin-left: 4px;
        font-size: 10px;
        color: var(--accent);
        font-weight: 600;
        background: rgba(216, 255, 62, 0.12);
        border: 1px solid rgba(216, 255, 62, 0.3);
        padding: 2px 6px;
        border-radius: 4px;
        vertical-align: middle;
    }

    .top-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .hotline {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: #fff;
    }

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

    .search-box {
        display: flex;
        align-items: center;
        background: rgba(255, 255, 255, 0.12);
        border-radius: 999px;
        padding: 4px 6px 4px 16px;
        width: 220px;
        border: 1px solid transparent;
        transition: border-color .2s;
    }

    .search-box:focus-within {
        border-color: var(--accent);
    }

    .search-box input {
        background: transparent;
        border: none;
        outline: none;
        color: #fff;
        font-size: 13px;
        width: 100%;
    }

    .search-box input::placeholder {
        color: rgba(255, 255, 255, 0.55);
    }

    .search-box button {
        background: transparent;
        border: none;
        color: var(--accent);
        cursor: pointer;
        padding: 6px 10px;
        border-radius: 50%;
        transition: background .2s;
    }

    .search-box button:hover {
        background: rgba(216, 255, 62, 0.15);
    }

    /* channel nav */
    .channel-nav {
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .channel-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 52px;
        gap: 24px;
    }

    .nav-list {
        display: flex;
        align-items: stretch;
        height: 52px;
    }

    .nav-list a {
        display: inline-flex;
        align-items: center;
        padding: 0 18px;
        font-size: 15px;
        color: rgba(255, 255, 255, 0.78);
        position: relative;
        font-weight: 500;
        transition: color .2s;
        white-space: nowrap;
    }

    .nav-list a:hover {
        color: #fff;
    }

    .nav-list a.active {
        color: #fff;
        font-weight: 700;
    }

    .nav-list a.active::after {
        content: "";
        position: absolute;
        left: 16px;
        right: 16px;
        bottom: 0;
        height: 3px;
        background: var(--accent);
        border-radius: 3px 3px 0 0;
    }

    .nav-list a:hover::after {
        content: "";
        position: absolute;
        left: 16px;
        right: 16px;
        bottom: 0;
        height: 2px;
        background: rgba(255, 255, 255, 0.5);
    }

    .nav-trends {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 12px;
        color: rgba(255, 255, 255, 0.45);
        white-space: nowrap;
    }

    .nav-trends span {
        letter-spacing: 2px;
    }

    .nav-trends a {
        color: rgba(255, 255, 255, 0.65);
        transition: color .2s;
    }

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

    /* mobile */
    .mobile-toggle {
        display: none;
        background: none;
        border: none;
        color: #fff;
        font-size: 24px;
        cursor: pointer;
        padding: 8px;
    }

    .mobile-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-dark);
        padding: 24px 16px 32px;
        border-bottom: 3px solid var(--accent);
        box-shadow: 0 20px 40px rgba(0,0,0,0.25);
    }

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

    .mobile-nav a {
        display: block;
        padding: 12px 4px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        color: #fff;
        font-size: 16px;
    }

    .mobile-nav a:last-child {
        border-bottom: none;
    }

    @media (max-width: 768px) {
        .container-site { padding-left: 16px; padding-right: 16px; }
        .channel-inner { min-height: 48px; }
        .nav-list, .nav-trends { display: none !important; }
        .mobile-toggle { display: block; }
        .search-box { width: 160px; }
        .brand-name { font-size: 18px; }
    }

    @media (max-width: 520px) {
        .hotline span span { display: none; }
        .search-box { display: none; }
    }

    /* article breadcrumb */
    .breadcrumb-wrap {
        padding: 36px 0 12px;
    }

    .breadcrumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--muted);
    }

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

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

    .breadcrumb .sep {
        color: #9AAB9E;
        opacity: .6;
    }

    /* article main */
    .article-page {
        padding: 10px 0 40px;
    }

    .article-single {
        max-width: 860px;
        margin: 0 auto;
        background: var(--card-bg);
        border-radius: 20px;
        box-shadow: var(--shadow-card);
        overflow: hidden;
        border: 1px solid #efefe9;
    }

    .article-header-area {
        padding: 40px 56px 24px;
    }

    .article-cat {
        display: inline-block;
        background: rgba(12, 61, 46, 0.08);
        color: var(--primary);
        font-size: 14px;
        font-weight: 600;
        padding: 5px 14px;
        border-radius: 999px;
        margin-bottom: 20px;
        letter-spacing: 0.5px;
    }

    .article-title {
        font-size: 42px;
        line-height: 1.25;
        font-weight: 900;
        color: var(--text);
        margin-bottom: 16px;
        letter-spacing: -0.5px;
    }

    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        font-size: 14px;
        color: var(--muted);
        border-top: 1px solid var(--border);
        padding-top: 14px;
        margin-top: 6px;
    }

    .article-meta i {
        color: var(--primary);
        width: 18px;
        text-align: center;
        margin-right: 6px;
    }

    .article-content-box {
        padding: 8px 56px 32px;
    }

    .article-body-read {
        font-size: 17px;
        line-height: 1.9;
        color: #2D3A31;
    }

    .article-body-read p {
        margin-bottom: 1.8em;
    }

    .article-body-read h2 {
        font-size: 28px;
        font-weight: 800;
        margin: 1.6em 0 0.8em;
        color: var(--text);
        line-height: 1.3;
    }

    .article-body-read h3 {
        font-size: 22px;
        font-weight: 700;
        margin: 1.4em 0 0.6em;
        color: var(--text);
    }

    .article-body-read img {
        border-radius: 14px;
        margin: 28px 0;
        box-shadow: var(--shadow-card);
    }

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

    .article-body-read ul, .article-body-read ol {
        margin: 1.2em 0 1.8em 1.4em;
    }

    .article-body-read li {
        margin-bottom: 0.7em;
    }

    .article-body-read blockquote {
        border-left: 4px solid var(--primary);
        background: rgba(12,61,46,0.04);
        padding: 16px 24px;
        margin: 24px 0;
        border-radius: 8px;
        color: var(--muted);
    }

    .article-tag-footer {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        padding: 20px 0;
        border-top: 1px solid var(--border);
        margin-top: 20px;
    }

    .tag-item {
        background: var(--bg);
        font-size: 14px;
        color: var(--primary);
        padding: 6px 14px;
        border-radius: 999px;
        transition: background .2s, color .2s;
    }

    .tag-item:hover {
        background: var(--primary);
        color: #fff;
    }

    .page-navi {
        display: flex;
        justify-content: space-between;
        gap: 12px;
        margin: 12px 0 28px;
        border: 1px solid var(--border);
        border-radius: 14px;
        padding: 16px 20px;
        background: #FAFBF8;
    }

    .page-navi .prev, .page-navi .next {
        display: flex;
        flex-direction: column;
        gap: 4px;
        font-size: 14px;
        color: var(--muted);
    }

    .page-navi a {
        color: var(--primary);
        font-weight: 600;
        transition: color .2s;
    }

    .page-navi a:hover {
        color: var(--primary-dark);
    }

    /* empty state */
    .article-empty {
        max-width: 760px;
        margin: 80px auto;
        background: #fff;
        border-radius: 20px;
        padding: 70px 40px;
        text-align: center;
        border: 2px dashed #D6DED2;
        box-shadow: var(--shadow-card);
    }

    .article-empty h2 {
        font-size: 32px;
        color: var(--primary);
        font-weight: 800;
        margin-bottom: 16px;
    }

    .article-empty p {
        color: var(--muted);
        margin-bottom: 28px;
        font-size: 16px;
    }

    .btn-primary, .btn-outline, .btn-accent {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 600;
        padding: 12px 28px;
        cursor: pointer;
        transition: all .2s ease;
        border: none;
    }

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

    .btn-accent:hover {
        background: #C3EF1E;
        transform: translateY(-2px);
        box-shadow: 0 10px 20px rgba(0,0,0,0.12);
    }

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

    .btn-primary:hover {
        background: #14563F;
        transform: translateY(-2px);
        box-shadow: 0 10px 20px rgba(12,61,46,0.18);
    }

    .btn-outline {
        background: transparent;
        border: 2px solid var(--primary);
        color: var(--primary);
    }

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

    /* related section */
    .related-section {
        padding: 80px 0 40px;
    }

    .section-head {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 16px;
        margin-bottom: 36px;
        flex-wrap: wrap;
    }

    .section-pre {
        font-size: 14px;
        color: var(--accent);
        background: var(--primary);
        display: inline-block;
        padding: 3px 12px;
        border-radius: 4px;
        letter-spacing: 1px;
        font-weight: 600;
        margin-bottom: 8px;
    }

    .section-title-art {
        font-size: 38px;
        font-weight: 900;
        color: var(--primary-dark);
        letter-spacing: -0.5px;
        line-height: 1.2;
    }

    .section-more a {
        color: var(--primary);
        font-weight: 600;
        font-size: 15px;
    }

    .section-more a:hover {
        text-decoration: underline;
    }

    .related-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .related-card {
        background: #fff;
        border-radius: 16px;
        overflow: hidden;
        border: 1px solid #eaf0e8;
        box-shadow: var(--shadow-card);
        transition: transform .25s ease, box-shadow .25s ease;
        display: flex;
        flex-direction: column;
    }

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

    .related-card .thumb {
        aspect-ratio: 16/10;
        overflow: hidden;
        background: #dfe8dd;
        position: relative;
    }

    .related-card .thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .5s ease;
    }

    .related-card:hover .thumb img {
        transform: scale(1.03);
    }

    .related-card .content {
        padding: 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .related-card .content h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
        line-height: 1.45;
    }

    .related-card .content p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.6;
        flex: 1;
    }

    .related-card .go {
        font-size: 14px;
        color: var(--primary);
        font-weight: 600;
    }

    /* CTA */
    .article-cta {
        background: var(--primary-dark);
        padding: 56px 0 64px;
        margin-top: 40px;
        position: relative;
        overflow: hidden;
    }

    .article-cta::before {
        content: "";
        position: absolute;
        top: -90px;
        right: -70px;
        width: 280px;
        height: 280px;
        border-radius: 50%;
        background: rgba(216,255,62,0.06);
    }

    .cta-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 32px;
        position: relative;
        z-index: 2;
    }

    .cta-inner h2 {
        color: #fff;
        font-size: 36px;
        font-weight: 800;
        letter-spacing: -0.5px;
    }

    .cta-inner p {
        color: #A7BEAF;
        font-size: 15px;
        margin-top: 8px;
        max-width: 480px;
    }

    /* footer */
    .site-footer {
        background: #051B15;
        color: #C4D3C9;
        border-top: 3px solid var(--accent);
        padding-top: 60px;
    }

    .site-footer .footer-col-title {
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 16px;
        letter-spacing: 0.5px;
        position: relative;
    }

    .site-footer ul {
        list-style: none;
    }

    .site-footer a {
        color: #8DA394;
        font-size: 14px;
        transition: color .2s;
    }

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

    .footer-bottom-line {
        border-top: 1px solid rgba(255,255,255,0.08);
        margin-top: 40px;
        padding: 24px 0 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
        color: #658071;
    }

    /* responsive related */
    @media (max-width: 1024px) {
        .related-grid { grid-template-columns: repeat(2, 1fr); }
        .article-header-area { padding: 32px 28px 20px; }
        .article-content-box { padding: 8px 28px 28px; }
        .article-title { font-size: 36px; }
    }

    @media (max-width: 640px) {
        .section-title-art { font-size: 30px; }
        .related-grid { grid-template-columns: 1fr; }
        .article-title { font-size: 28px; }
        .article-meta { gap: 12px; }
        .breadcrumb-wrap { padding-top: 24px; }
        .article-single { border-radius: 14px; }
        .article-header-area { padding: 24px 18px 18px; }
        .article-content-box { padding: 4px 18px 18px; }
        .article-body-read { font-size: 16px; }
        .page-navi { flex-direction: column; align-items: center; }
        .cta-inner h2 { font-size: 26px; }
    }

    @media (prefers-reduced-motion: reduce) {
        *, *::before, *::after {
            animation-duration: 0.01ms !important;
            transition-duration: 0.01ms !important;
            scroll-behavior: auto !important;
        }
    }

/* roulang page: category3 */
:root {
  --primary: #0C3D2E;
  --primary-dark: #06231B;
  --accent: #D8FF3E;
  --paper: #F5F6F2;
  --white: #FFFFFF;
  --ink: #13201A;
  --muted: #5B6B60;
  --line: #E2E8DF;
  --radius: 16px;
  --radius-btn: 10px;
  --shadow-card: 0 8px 24px rgba(15,45,35,.05);
  --shadow-raised: 0 20px 40px rgba(10,40,28,.10);
}
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.8;
}
.container-site {
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}
/* 顶部品牌行 */
.site-header {
  background: var(--primary-dark);
  color: #fff;
  position: relative;
  z-index: 50;
}
.nav-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #fff;
  line-height: 1;
}
.logo-mark {
  background: var(--accent);
  color: var(--primary-dark);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
}
.nav-logo-word {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: .5px;
  color: #fff;
  white-space: nowrap;
}
.nav-logo sup {
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
  margin-left: 3px;
}
.nav-tools {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-search {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  color: #fff;
  width: 230px;
  font-size: 13px;
  height: 32px;
  border-style: solid;
}
.nav-phone {
  color: rgba(255,255,255,.85);
  font-size: 13px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-phone strong {
  color: #fff;
  font-weight: 600;
}
/* 分类频道栏 */
.nav-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.nav-links {
  display: flex;
  gap: 2px;
}
.nav-links a {
  color: rgba(255,255,255,.82);
  font-size: 15px;
  padding: 15px 22px;
  border-radius: 0;
  text-decoration: none;
  position: relative;
  transition: color .2s ease, background .2s ease;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}
.nav-links a:hover {
  color: #fff;
  background: rgba(255,255,255,.04);
}
.nav-links a.active {
  color: var(--accent);
  font-weight: 600;
}
.nav-links a.active::after {
  content:"";
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 10px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
/* 抽屉菜单 */
.nav-toggle {
  display: none;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 8px;
  padding: 6px 10px;
  color: #fff;
  font-size: 14px;
}
.drawer-box {
  display: none;
}
@media (max-width: 1023px) {
  .nav-desktop-extra { display: none !important; }
  .nav-tools .desktop-search { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; gap: 6px; }
  .nav-bottom { display: none; }
  .drawer-box { display: block; max-height: 0; overflow: hidden; transition: max-height .3s ease; }
  #mobileNavSwitch:checked ~ .drawer-box {
    max-height: 440px;
  }
  .drawer-inner {
    padding-top: 10px;
    padding-bottom: 20px;
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .drawer-inner a {
    display: block;
    color: #fff;
    padding: 12px 6px;
    font-size: 15px;
    border-bottom: 1px solid rgba(255,255,255,.06);
    text-decoration: none;
  }
  .drawer-inner a.active { color: var(--accent); font-weight: 600; }
}
/* 通用板块 */
.section-block { padding-top: 96px; padding-bottom: 96px; }
.section-block-sm { padding-top: 72px; padding-bottom: 72px; }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  letter-spacing: .12em;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.2;
  font-weight: 700;
  margin-top: 8px;
  margin-bottom: 0;
  color: var(--ink);
}
.section-sub { max-width: 640px; color: var(--muted); line-height: 1.9; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--radius-btn);
  padding: 14px 28px;
  font-size: 15px;
  line-height: 1;
  font-weight: 600;
  transition: all .25s ease;
  cursor: default;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: var(--primary-dark); }
.btn-primary:hover { background: #c4f02e; color: var(--primary-dark); transform: translateY(-2px); }
.btn-outline { border-color: rgba(255,255,255,.7); color: #fff; background: transparent; }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-dark { background: var(--primary); color: #fff; }
.btn-dark:hover { background: var(--primary-dark); color: var(--accent); }
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(4px); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
/* hero */
.category-hero {
  background: var(--primary-dark);
  position: relative;
  overflow: hidden;
}
.category-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(6,35,27,.92) 15%, rgba(6,35,27,.55) 70%, rgba(6,35,27,.35)), url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
}
.category-hero-content {
  position: relative;
  z-index: 2;
  padding: 112px 0;
}
.crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: rgba(255,255,255,.62);
  font-size: 14px;
  margin-bottom: 26px;
}
.crumb a { color: rgba(255,255,255,.82); text-decoration: none; }
.crumb a:hover { color: var(--accent); }
.hero-h1 {
  font-size: clamp(40px, 6vw, 82px);
  font-weight: 800;
  line-height: 1.08;
  color: #fff;
  letter-spacing: -1px;
  margin: 0 0 18px;
}
.hero-h1 span {
  color: var(--accent);
}
.hero-lead {
  font-size: 17px;
  line-height: 1.9;
  max-width: 560px;
  color: rgba(255,255,255,.82);
  margin-bottom: 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-trust {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.16);
  display: flex;
  flex-wrap: wrap;
  gap: 38px;
}
.hero-trust .item strong { font-size: 30px; color: var(--accent); font-weight: 700; display: block; line-height: 1.2; }
.hero-trust .item span { color: rgba(255,255,255,.65); font-size: 13px; }
/* 统计横条 dark course */
.stats-strip { background: #093a28; }
.stats-strip .inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stats-strip .stat {
  padding: 34px 18px;
  border-left: 1px solid rgba(255,255,255,.08);
  color: #fff;
}
.stats-strip .stat:first-child { border-left: 0; }
.stats-strip .stat .num { font-size: 30px; font-weight: 700; color: var(--accent); line-height: 1.2; }
.stats-strip .stat .label { font-size: 14px; color: rgba(255,255,255,.62); margin-top: 8px; }
/* course type cards */
.course-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 30px;
  transition: all .25s ease;
  border: 1px solid transparent;
  height: 100%;
}
.course-card:hover { box-shadow: var(--shadow-raised); transform: translateY(-2px); border-color: var(--line); }
.course-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--primary);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 20px;
}
.course-card h3 { font-size: 21px; font-weight: 700; margin-bottom: 8px; }
.course-card p { font-size: 14px; color: var(--muted); margin: 0 0 18px; }
.badge {
  display: inline-block;
  background: rgba(12,61,46,.08);
  border-radius: 999px;
  color: var(--primary);
  padding: 5px 13px;
  font-size: 13px;
  font-weight: 600;
}
.badge-accent {
  background: var(--accent);
  color: var(--primary-dark);
}
/* 时间线区 */
.timeline-wrap { position: relative; }
.timeline-line {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--primary) 10%, var(--primary) 90%, transparent);
}
.timeline-step { position: relative; padding-left: 56px; padding-bottom: 54px; }
.timeline-step:last-child { padding-bottom: 0; }
.timeline-num {
  position: absolute;
  left: -16px;
  top: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  box-shadow: 0 0 0 6px #FFF;
}
.tl-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.tl-img { min-height: 300px; overflow: hidden; position: relative; background: var(--primary); }
.tl-img img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; transition: transform .4s ease; }
.tl-card:hover .tl-img img { transform: scale(1.03); }
.tl-body { padding: 46px 42px; display: flex; flex-direction: column; justify-content: center; }
.tl-body h3 { font-size: 26px; font-weight: 700; margin-bottom: 14px; }
.tl-feature {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.tl-feature li { position: relative; padding-left: 24px; font-size: 14px; color: var(--muted); }
.tl-feature li::before {
  content:"";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
}
/* 场景区 */
.scene-card-grid {
  display: grid;
  grid-template-columns: repeat(12,1fr);
  gap: 24px;
}
.scene-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  transition: all .25s ease;
}
.scene-card:hover { box-shadow: var(--shadow-raised); transform: translateY(-3px); }
.scene-img { height: 220px; overflow: hidden; background: var(--primary); position: relative; }
.scene-img img { width:100%; height:100%; object-fit:cover; transition: transform .35s ease; }
.scene-card:hover .scene-img img { transform: scale(1.04); }
.scene-body { padding: 26px 24px 30px; }
.scene-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.scene-body p { font-size: 14px; color: var(--muted); }
/* pricing band */
.coach-band {
  background: var(--primary-dark);
  border-radius: 24px;
  overflow: hidden;
  color: #fff;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
}
.coach-band-text { padding: 64px 56px; }
.coach-band imagewrap { position: relative; min-height: 320px; }
/* faq */
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  margin-bottom: 14px;
  padding: 22px 28px;
}
.faq-item summary {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  cursor: default;
}
.faq-item p { color: var(--muted); margin: 12px 0 0; }
/* quick contact */
.contact-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--primary-dark);
  border-radius: 20px;
  overflow: hidden;
}
.contact-left { background: var(--primary-dark); color: #fff; padding: 58px 52px; }
.contact-right { background: #fff; padding: 42px; }
@media (max-width: 767px) {
  .contact-band { grid-template-columns: 1fr; }
  .contact-left { padding: 34px 24px; }
  .contact-right { padding: 26px 18px; }
}
/* 页面页脚共用 */
.footer-bottom {
  color: rgba(255,255,255,.4);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 22px;
}
.site-footer {
  background: #041f18;
  color: #fff;
}
.footer-top-border { border-top: 2px solid var(--accent); }
/* responsive */
@media (max-width: 1024px) {
  .tl-card { grid-template-columns: 1fr; }
  .tl-body { padding: 26px 22px; }
  .scene-card { grid-column: span 6; }
  .coach-band { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .section-block { padding-top: 60px; padding-bottom: 60px; }
  .scene-card { grid-column: span 12; }
  .stats-strip .inner { grid-template-columns: 1fr 1fr; }
  .stats-strip .stat { padding: 24px 12px; }
  .hero-h1, .section-title { letter-spacing: -.5px; }
  .hero-trust { gap: 18px; }
  .tl-card .tl-img { min-height: 240px; }
  .contact-band .contact-right { padding: 22px 18px; }
}
input, textarea {
  border:1px solid var(--line);
  border-radius:10px;
  background:#FFF;
  padding:12px 14px;
  width:100%;
  font-size:14px;
  transition: border .2s, box-shadow .2s;
}
input:focus, textarea:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(12,61,46,.12);
}
label { font-size: 13px; color: var(--muted); margin-bottom: 6px; display:block; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .tl-img img, .scene-img img { transition: none; }
}

/* roulang page: category2 */
:root{
    --primary:#0C3D2E;
    --primary-dark:#06231B;
    --primary-deep:#04170F;
    --accent:#D8FF3E;
    --page-bg:#F5F6F2;
    --white:#FFFFFF;
    --ink:#13201A;
    --muted:#5B6B60;
    --line:#E2E8DF;
    --card-shadow:0 8px 24px rgba(15,45,35,.05);
    --card-shadow-hover:0 20px 40px rgba(10,40,28,.10);
    --radius-card:16px;
    --radius-btn:10px;
    --section-space:100px;
    --container:1240px;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",sans-serif;
    background:var(--page-bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  ul,ol{list-style:none;}
  button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;}
  ::selection{background:var(--accent);color:var(--primary-dark);}
  :focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
  .container-site{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;}
  .section{padding:var(--section-space) 0;}
  @media(max-width:768px){.section{padding:68px 0;}}
  .bg-white-section{background:var(--white);}
  .overflow-hidden{overflow:hidden;}

  /* 视觉信息标签 */
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    font-weight:600;
    letter-spacing:.08em;
    color:var(--primary);
    background:rgba(12,61,46,.08);
    padding:6px 14px 6px 14px;
    border-radius:999px;
    margin-bottom:18px;
    text-transform:uppercase;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
  .section-title{
    font-size:42px;
    line-height:1.25;
    font-weight:800;
    letter-spacing:-0.02em;
    color:var(--ink);
  }
  @media(max-width:768px){.section-title{font-size:30px;}}
  .section-lead{max-width:720px;margin-top:18px;color:var(--muted);font-size:18px;}
  @media(max-width:640px){.section-lead{font-size:16px;}}
  .brand-mark{
    display:inline-flex;
    width:34px;height:34px;
    align-items:center;justify-content:center;
    background:var(--accent);
    color:var(--primary-dark);
    border-radius:50%;
    font-weight:800;
    font-size:17px;
  }

  /* Header / Navigation */
  .site-header{position:sticky;top:0;z-index:60;background:var(--primary-dark);box-shadow:0 10px 24px rgba(0,0,0,.18);}
  .header-inner{display:flex;height:52px;align-items:center;justify-content:space-between;gap:16px;}
  .site-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:22px;letter-spacing:.02em;white-space:nowrap;}
  .site-logo sup{color:var(--accent);font-size:10px;font-weight:600;margin-left:3px;top:-0.5em;}
  .header-actions{display:flex;align-items:center;gap:14px;color:rgba(255,255,255,.78);}
  .header-search{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:8px;color:#fff;font-size:13px;width:190px;padding:8px 13px;transition:background .2s, border-color .2s;}
  .header-search::placeholder{color:rgba(255,255,255,.55);}
  .header-search:focus{background:rgba(255,255,255,.12);border-color:var(--accent);outline:none;}
  .header-tel{font-size:14px;color:#fff;display:flex;align-items:center;gap:6px;}
  .header-tel:hover{color:var(--accent);}
  .nav-bottom{background:var(--primary-dark);border-top:1px solid rgba(255,255,255,.07);}
  .nav-bottom .container-site{display:flex;align-items:center;min-height:56px;justify-content:space-between;gap:20px;}
  .nav-links{height:56px;display:flex;align-items:stretch;min-width:0;overflow-x:auto;scrollbar-width:none;gap:2px;}
  .nav-links::-webkit-scrollbar{display:none;}
  .nav-links a{position:relative;display:flex;align-items:center;padding:0 20px;color:rgba(255,255,255,.82);font-size:15px;white-space:nowrap;transition:color .2s;}
  .nav-links a:hover{color:#fff;}
  .nav-links a.active{color:var(--accent);font-weight:500;}
  .nav-links a.active::after{content:"";position:absolute;left:20px;right:20px;bottom:8px;height:2px;background:var(--accent);border-radius:99px;}
  @media(max-width:1023px){
    .nav-bottom{display:none;}
    .header-search{width:150px;}
  }
  @media(max-width:640px){
    .header-search{display:none;}
  }
  .mobile-drawer{display:none;background:var(--primary-dark);border-top:1px solid rgba(255,255,255,.06);max-height:calc(100vh - 56px);overflow-y:auto;}
  .mobile-drawer.open{display:block;}
  .mobile-drawer a{display:block;color:rgba(255,255,255,.85);padding:12px 24px;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06);}
  .mobile-drawer a.active{color:var(--accent);background:rgba(255,255,255,.04);}

  /* Buttons */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 26px;border-radius:var(--radius-btn);font-weight:600;border:none;cursor:pointer;transition:all .2s ease;white-space:nowrap;}
  .btn-accent{background:var(--accent);color:var(--primary-dark);}
  .btn-accent:hover{background:#ecff70;transform:translateY(-2px);box-shadow:0 10px 18px rgba(6,35,27,.16);}
  .btn-accent .arr{transition:transform .2s;}
  .btn-accent:hover .arr{transform:translateX(5px);}
  .btn-primary{background:var(--primary);color:#fff;}
  .btn-primary:hover{background:#15513E;transform:translateY(-2px);}
  .btn-outline{background:transparent;border:1px solid rgba(255,255,255,.68);color:#fff;}
  .btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08);}
  .btn-darkgreen{background:var(--primary-dark);color:#fff;}
  .btn-darkgreen:hover{background:var(--primary);transform:translateY(-2px);}
  .btn svg, .btn .arr{flex:0 0 auto;}

  /* Category Hero */
  .cat-hero{position:relative;color:#fff;padding:88px 0 76px;background-size:cover;background-position:center;background-color:var(--primary-dark);}
  .cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,23,15,.92),rgba(12,61,46,.55) 68%,rgba(6,35,27,.55));pointer-events:none;}
  .cat-hero .container-site{position:relative;z-index:2;}
  .page-crumbs{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:28px;}
  .page-crumbs a{color:rgba(255,255,255,.82);transition:color .2s;}
  .page-crumbs a:hover{color:var(--accent);}
  .hero-title{max-width:920px;font-size:76px;line-height:1.05;font-weight:800;letter-spacing:-0.035em;margin-bottom:26px;}
  .hero-subtitle{max-width:600px;color:rgba(255,255,255,.82);font-size:19px;line-height:1.85;margin-bottom:34px;}
  .hero-stat-row{display:flex;flex-wrap:wrap;gap:34px 50px;border-top:1px solid rgba(255,255,255,.22);margin-top:54px;padding-top:24px;}
  .hero-stat-row .stat-num{font-size:40px;line-height:1;font-weight:800;color:#fff;}
  .hero-stat-row .stat-num::before{content:"▲";font-size:13px;color:var(--accent);margin-right:7px;font-weight:400;}
  .hero-stat-row .stat-label{font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.04em;margin-top:8px;}
  @media(max-width:768px){
    .cat-hero{padding:60px 0 46px;}
    .hero-title{font-size:40px;}
    .hero-subtitle{font-size:16px;}
    .hero-stat-row .stat-num{font-size:28px;}
  }

  /* Image strip */
  .image-strength{position:relative;background-position:center;background-size:cover;background-color:var(--primary-dark);}
  .image-strength .dark-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(4,23,15,.86),rgba(12,61,46,.66) 52%,rgba(4,23,15,.78));}
  .image-strength .container-site{position:relative;z-index:2;padding-top:96px;padding-bottom:96px;}
  .strength-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px;}
  @media(max-width:768px){.strength-grid{grid-template-columns:1fr;}}
  .strength-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:24px;backdrop-filter:blur(4px);}
  .strength-card h3{color:#fff;font-size:20px;font-weight:600;margin-bottom:8px;}
  .strength-card p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.75;}
  .strength-card .tag{display:inline-block;color:var(--accent);font-size:13px;margin-top:10px;letter-spacing:.03em;}

  /* Split features */
  .split-list{display:grid;gap:18px;margin-top:28px;}
  .split-list li{position:relative;display:flex;gap:12px;padding-left:4px;}
  .split-list .ico{font-size:14px;color:var(--primary);background:rgba(216,255,62,.18);width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:0 0 auto;margin-top:5px;}
  .split-list strong{display:block;font-weight:700;}
  .split-list span{font-size:14px;color:#5b6b60;line-height:1.7;}

  /* 玩法选择行 */
  .play-list{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--card-shadow);overflow:hidden;}
  .play-row{display:grid;grid-template-columns:2.2fr 1.1fr 1.2fr 1.8fr;align-items:center;gap:18px;padding:20px 26px;border-bottom:1px solid var(--line);transition:background .2s;}
  .play-row:last-child{border-bottom:0;}
  .play-row:hover{background:#fbfcf9;}
  .play-row .play-name{font-size:18px;font-weight:700;margin-bottom:5px;}
  .play-row .play-desc{font-size:14px;color:var(--muted);line-height:1.65;}
  .play-row .play-meta{font-size:14px;color:var(--muted);display:flex;flex-direction:column;gap:4px;}
  .play-row .play-meta strong{color:var(--ink);}
  .play-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(12,61,46,.08);color:var(--primary);font-size:13px;font-weight:500;padding:6px 12px;border-radius:999px;margin:4px 5px 0 0;white-space:nowrap;}
  .play-tag.hot{background:rgba(216,255,62,.22);color:var(--primary-dark);}
  @media(max-width:980px){
    .play-row{grid-template-columns:1fr;gap:12px;padding:22px;}
    .play-row .play-meta{flex-direction:row;flex-wrap:wrap;gap:10px;}
  }

  /* 场景卡片 */
  .scene-card{border-radius:16px;background:var(--white);border:1px solid var(--line);padding:28px;height:100%;box-shadow:var(--card-shadow);transition:transform .25s, box-shadow .25s;}
  .scene-card:hover{transform:translateY(-2px);box-shadow:var(--card-shadow-hover);}
  .scene-index{color:var(--accent);-webkit-text-stroke:1px var(--primary);font-weight:800;font-size:24px;opacity:.66;}
  .scene-card h3{font-size:21px;font-weight:700;margin:12px 0 10px;}
  .scene-card p{color:var(--muted);font-size:15px;line-height:1.8;}
  .scene-go{display:inline-flex;align-items:center;color:var(--primary);font-weight:600;font-size:14px;margin-top:16px;transition:gap .2s;}
  .scene-go span.more{transition:transform .2s;}
  .scene-card:hover .more{transform:translateX(4px);}

  /* Process section */
  .process-dark{background:var(--primary-dark);color:#fff;}
  .process-dark .section-title{color:#fff;}
  .process-dark .section-lead{color:rgba(255,255,255,.7);}
  .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px;}
  @media(max-width:900px){.process-grid{grid-template-columns:repeat(2,1fr);}}
  @media(max-width:560px){.process-grid{grid-template-columns:1fr;}}
  .process-step{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:26px 24px;height:100%;transition:background .25s, transform .25s;}
  .process-step:hover{background:rgba(255,255,255,.1);transform:translateY(-3px);}
  .process-step .step-no{font-size:14px;color:var(--accent);font-weight:700;}
  .process-step h3{font-size:20px;margin:12px 0 8px;}
  .process-step p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.75;}

  /* FAQ */
  .faq-list{background:#fff;border:1px solid var(--line);border-radius:18px;padding:6px 30px;box-shadow:var(--card-shadow);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:last-child{border-bottom:none;}
  .faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:23px 0;cursor:pointer;font-size:18px;font-weight:600;color:var(--ink);list-style:none;}
  .faq-question{font-size:18px;}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item .faq-plus{display:flex;width:24px;height:24px;align-items:center;justify-content:center;border-radius:50%;background:rgba(12,61,46,.09);color:var(--primary);font-weight:600;transition:transform .2s, background .2s;flex:0 0 auto;font-size:20px;}
  .faq-item[open] .faq-plus{transform:rotate(45deg);background:var(--accent);color:var(--primary-dark);}
  .faq-answer{padding:0 0 24px;color:var(--muted);font-size:15px;max-width:900px;line-height:1.9;}
  @media(max-width:640px){.faq-list{padding:6px 20px;}.faq-question{font-size:16px;}}

  /* Contact */
  .contact-card{box-shadow:var(--card-shadow);border-radius:20px;overflow:hidden;background:#fff;border:1px solid var(--line);}
  .contact-info-panel{background:var(--primary-dark);color:#fff;padding:52px 46px;height:100%;}
  .contact-info-panel h2{font-size:34px;line-height:1.25;font-weight:800;margin-bottom:18px;color:#fff;}
  .contact-info-line{display:flex;gap:14px;padding:12px 0;font-size:15px;color:rgba(255,255,255,.76);}
  .contact-info-line .cp{display:flex;width:28px;height:28px;align-items:center;justify-content:center;color:var(--accent);border:1px solid rgba(255,255,255,.12);border-radius:8px;font-size:14px;flex:0 0 auto;}
  .contact-form-panel{padding:46px 40px;}
  .form-label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--ink);}
  .form-control{display:block;background:var(--page-bg);border:1px solid var(--line);border-radius:10px;font-size:15px;padding:12px 15px;width:100%;transition:border-color .2s, background .2s;color:var(--ink);}
  .form-control:hover{border-color:#c7d4c4;}
  .form-control:focus{background:#fff;border-color:var(--primary);outline:none;box-shadow:0 0 0 3px rgba(12,61,46,.08);}
  textarea.form-control{resize:vertical;min-height:110px;}
  .privacy-note{font-size:13px;color:var(--muted);text-align:center;margin-top:14px;}
  @media(max-width:768px){.contact-info-panel,.contact-form-panel{padding:34px 24px;}}

  /* Footer */
  .site-footer{background:var(--primary-dark);color:#fff;margin-top:0;}
  .footer-top-border{border-top:2px solid var(--accent);}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:30px;padding-top:28px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;color:rgba(255,255,255,.5);font-size:13px;}
  .site-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;}
  .site-footer ul a{color:#94a89b;font-size:14px;transition:color .2s;}
  .site-footer ul a:hover{color:var(--accent);}
  .footer-contact{display:grid;gap:12px;font-size:14px;color:#94A89B;}
  .footer-contact li{display:flex;gap:10px;align-items:flex-start;}
  .footer-contact .f-ico{color:var(--accent);flex:0 0 auto;}

/* roulang page: category4 */
:root {
            --primary: #0C3D2E;
            --primary-dark: #06231B;
            --accent: #D8FF3E;
            --paper: #F5F6F2;
            --ink: #13201A;
            --muted: #5B6B60;
            --line: #E2E8DF;
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 24px rgba(15, 45, 35, 0.05);
            --shadow-card-hover: 0 20px 40px rgba(10, 40, 28, 0.10);
            --container: 1240px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        .container-site {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all .2s ease;
            gap: 8px;
            border: 0;
            cursor: pointer;
            font-size: 15px;
            line-height: 1;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary-dark);
            padding: 15px 28px;
        }
        .btn-accent:hover {
            background: #c9ef2e;
            transform: translateY(-1px);
            box-shadow: 0 10px 20px rgba(216, 255, 62, 0.15);
        }
        .btn-ghost {
            border: 1.5px solid rgba(255, 255, 255, 0.85);
            color: #fff;
            background: transparent;
            padding: 14px 26px;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }
        .section-space {
            padding: 96px 0;
        }
        @media(max-width:768px) {
            .section-space {
                padding: 60px 0;
            }
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--primary);
            box-shadow: 0 10px 30px rgba(4, 25, 17, 0.18);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-links {
            display: flex;
            align-items: stretch;
            height: 56px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0 20px;
            color: rgba(255, 255, 255, .72);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: .03em;
            position: relative;
            transition: color .2s;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
        }
        .nav-links a.active {
            color: #fff;
            font-weight: 600;
        }
        .nav-links a.active:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 20px;
            right: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px 3px 0 0;
        }
        @media(max-width:1200px) {
            .nav-links a {
                padding: 0 12px;
                font-size: 14px;
            }
        }
        @media(max-width:1024px) {
            .nav-links {
                display: none;
            }
            .topbar {
                display: none !important;
            }
        }

        .category-banner {
            background: linear-gradient(100deg, #0C3D2E 0%, #0a382b 38%, rgba(5, 50, 35, 0.36) 100%), url('/assets/images/backpic/back-2.png') no-repeat center / cover;
            padding: 74px 0 100px;
            position: relative;
            color: #fff;
        }
        @media(min-width:1400px) {
            .category-banner {
                padding: 100px 0 130px;
            }
        }
        .category-banner .page-path {
            font-size: 13px;
            letter-spacing: .16em;
            color: rgba(255, 255, 255, .56);
            text-transform: uppercase;
            margin-bottom: 26px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .category-banner .page-path span {
            color: var(--accent);
            font-size: 12px;
        }
        .banner-title {
            font-size: 72px;
            line-height: 1.08;
            font-weight: 800;
            max-width: 700px;
            letter-spacing: -1px;
        }
        .banner-title i {
            font-style: normal;
            color: var(--accent);
        }
        .banner-sub {
            font-size: 18px;
            line-height: 2;
            color: rgba(255, 255, 255, .72);
            max-width: 590px;
            margin-top: 26px;
        }
        @media(max-width:768px) {
            .banner-title {
                font-size: 46px;
            }
            .banner-sub {
                font-size: 15px;
                line-height: 1.9;
            }
            .category-banner {
                padding: 50px 0 70px;
            }
        }

        .trust-bar {
            background: #0a2e22;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 18px 0;
            position: relative;
            z-index: 3;
            margin-top: -1px;
        }
        .trust-grid {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        @media(max-width:700px) {
            .trust-grid {
                justify-content: flex-start;
                gap: 14px 30px;
            }
        }
        .trust-item {
            display: flex;
            gap: 10px;
            align-items: baseline;
        }
        .trust-item .num {
            font-size: 26px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }
        .trust-item .txt {
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            letter-spacing: .04em;
        }

        .block-lattice {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        @media(max-width:1024px) {
            .block-lattice {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media(max-width:600px) {
            .block-lattice {
                grid-template-columns: 1fr;
            }
        }
        .lattice-card {
            border-radius: 16px;
            background: #fff;
            box-shadow: var(--shadow-card);
            transition: transform .25s, box-shadow .25s;
            padding: 30px 26px 20px;
            border-top: 5px solid var(--primary);
            position: relative;
            overflow: hidden;
        }
        .lattice-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .lattice-card .iconbox {
            width: 54px;
            height: 54px;
            background: #EDF5E9;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
        }
        .lattice-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .lattice-card p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.9;
        }
        .lattice-card .tag {
            display: inline-block;
            font-size: 11px;
            letter-spacing: .1em;
            color: var(--primary);
            background: #F0F4EC;
            padding: 4px 10px;
            border-radius: 100px;
            margin-bottom: 14px;
            font-weight: 600;
        }

        .banner-float-card {
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 30px 80px rgba(3, 27, 19, 0.25);
            display: flex;
            flex-wrap: wrap;
            margin-top: -50px;
            position: relative;
            z-index: 5;
            overflow: hidden;
        }
        .float-item {
            flex: 1;
            min-width: 180px;
            padding: 30px 26px;
            border-right: 1px solid var(--line);
            background: #fff;
            text-align: center;
            transition: background .2s;
        }
        .float-item:last-child {
            border-right: 0;
        }
        .float-item:hover {
            background: #F8FAF6;
        }
        .float-item .h1 {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .float-item .txt {
            font-size: 13px;
            color: var(--muted);
            margin-top: 2px;
        }
        @media(max-width:600px) {
            .float-item {
                min-width: 46%;
                border-bottom: 1px solid var(--line);
            }
            .banner-float-card {
                margin-top: -20px;
            }
        }

        .anchor-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 10px;
            align-items: center;
        }
        .anchor-pills a {
            padding: 10px 20px;
            border: 1px solid var(--line);
            border-radius: 40px;
            font-size: 14px;
            color: var(--primary);
            background: #fff;
            transition: all .2s;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .anchor-pills a:hover {
            border-color: var(--primary);
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .img-round-lg {
            border-radius: 20px;
            overflow: hidden;
            object-fit: cover;
            width: 100%;
            height: 100%;
            box-shadow: var(--shadow-card);
        }

        .step-arrow {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 40px;
        }
        @media(max-width:900px) {
            .step-arrow {
                display: grid;
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        .step-node {
            max-width: 240px;
            text-align: center;
        }
        .step-node .stepnum {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent);
            display: flex;
            margin: 0 auto 14px;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
        }
        .step-node h4 {
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 6px;
        }
        .step-node p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.8;
        }
        .arrow-badge {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            font-size: 22px;
            color: var(--primary);
            font-weight: 300;
        }
        @media(max-width:900px) {
            .arrow-badge {
                transform: rotate(90deg);
                margin: 0 auto;
            }
        }

        .case-bento {
            display: grid;
            grid-template-columns: 0.85fr 1.15fr;
            gap: 24px;
            align-items: stretch;
        }
        @media(max-width:900px) {
            .case-bento {
                grid-template-columns: 1fr;
            }
        }
        .case-main-img {
            min-height: 420px;
            border-radius: 20px;
            background: linear-gradient(145deg, #0e3e30, #174d3de0), url('/assets/images/coverpic/cover-9.webp') no-repeat 45% center / cover;
            display: flex;
            justify-content: flex-end;
            flex-direction: column;
            padding: 34px 30px;
            color: #fff;
            position: relative;
        }
        .case-main-img .promo-label {
            background: var(--accent);
            display: inline-block;
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 6px;
            width: fit-content;
            margin-bottom: 14px;
            letter-spacing: .04em;
        }
        .case-main-img h3 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
        }
        .case-main-img p {
            color: rgba(255, 255, 255, .76);
            font-size: 14px;
            max-width: 260px;
            margin-top: 4px;
        }
        .case-side-list {
            display: grid;
            grid-template-rows: repeat(2, 1fr);
            gap: 24px;
        }
        .case-side-item {
            background: #fff;
            border-radius: 20px;
            padding: 28px;
            box-shadow: var(--shadow-card);
            display: flex;
            gap: 20px;
            align-items: center;
            transition: transform .2s, box-shadow .2s;
            border-left: 5px solid var(--accent);
        }
        @media(max-width:700px) {
            .case-side-item {
                flex-wrap: wrap;
            }
        }
        .case-side-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .side-icon {
            width: 66px;
            height: 66px;
            background: #eaf6e2;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            flex-shrink: 0;
        }

        .cover-strip {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }
        @media(max-width:900px) {
            .cover-strip {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }
        @media(max-width:520px) {
            .cover-strip {
                grid-template-columns: 1fr;
            }
        }
        .strip-item {
            grid-column: span 4;
            border-radius: 16px;
            overflow: hidden;
            position: relative;
            min-height: 180px;
            box-shadow: var(--shadow-card);
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
        }
        @media(max-width:900px) {
            .strip-item {
                grid-column: span 1;
            }
        }
        .strip-item .strip-mask {
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.02) 0%, rgba(6, 30, 21, 0.88) 100%);
            width: 100%;
            padding: 24px 28px 18px;
        }
        .strip-item h3 {
            color: #fff;
            font-weight: 600;
            font-size: 19px;
            line-height: 1.5;
        }
        .strip-item .subtle {
            color: rgba(255, 255, 255, .72);
            font-weight: 300;
            font-size: 13px;
        }

        .service-expand-block {
            background: var(--primary-dark);
            padding: 90px 0;
            color: #fff;
        }
        @media(max-width:768px) {
            .service-expand-block {
                padding: 60px 0;
            }
        }
        .expand-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 44px;
        }
        @media(max-width:1000px) {
            .expand-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media(max-width:600px) {
            .expand-grid {
                grid-template-columns: 1fr;
            }
        }
        .expand-card-icon {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 16px;
            padding: 24px 22px;
            border: 1px solid rgba(255, 255, 255, .08);
            min-height: 220px;
            position: relative;
            transition: border-color .2s;
        }
        .expand-card-icon:hover {
            border-color: rgba(216, 255, 62, .44);
        }
        .expand-card-icon .icon-num {
            font-size: 34px;
            font-weight: 800;
            line-height: 1;
            color: var(--accent);
            margin-bottom: 18px;
            display: block;
        }
        .expand-card-icon h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
        }
        .expand-card-icon p {
            font-size: 14px;
            color: #9baf9f;
            line-height: 1.85;
        }

        .faq-acc {
            max-width: 860px;
        }
        .faq-item {
            background: #fff;
            border-radius: 10px;
            padding: 2px 20px;
            margin-bottom: 10px;
            box-shadow: var(--shadow-card);
        }
        .faq-item details {
            padding: 14px 0;
        }
        .faq-item summary {
            font-size: 17px;
            font-weight: 600;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            padding: 10px 0;
            gap: 20px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:after {
            content: '+';
            font-size: 28px;
            font-weight: 300;
            color: var(--primary);
            transition: transform .2s;
            line-height: 1;
        }
        .faq-item details[open] summary:after {
            content: '–';
        }
        .faq-item .answer {
            padding: 2px 0 20px 0;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.9;
            border-top: 1px solid #f0f2ed;
            margin-top: 6px;
            padding-top: 18px;
        }

        .contact-block {
            background: #F5F6F2;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            box-shadow: var(--shadow-card-hover);
            border-radius: 24px;
            overflow: hidden;
        }
        @media(max-width:900px) {
            .cta-grid {
                grid-template-columns: 1fr;
            }
        }
        .cta-left {
            background: var(--primary);
            padding: 52px 42px;
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .cta-left h2 {
            font-size: 32px;
            line-height: 1.4;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .cta-left p {
            font-size: 15px;
            color: rgba(255, 255, 255, .64);
            margin-bottom: 28px;
            line-height: 2;
            max-width: 360px;
        }
        .cta-left .contact-icon-info {
            display: grid;
            gap: 14px;
        }
        .cta-left .contact-icon-info div {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 15px;
        }
        .cta-left .contact-icon-info div span:first-child {
            color: var(--accent);
        }
        form.consult-form {
            background: #fff;
            padding: 42px;
        }
        form.consult-form label {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            display: block;
            margin-bottom: 8px;
        }
        form.consult-form .field-group {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        @media(max-width:700px) {
            form.consult-form .field-group {
                grid-template-columns: 1fr;
            }
            form.consult-form {
                padding: 28px 22px;
            }
        }
        form.consult-form input,
        form.consult-form select,
        form.consult-form textarea {
            width: 100%;
            border: 1px solid #dfe8dd;
            border-radius: 8px;
            padding: 14px 14px;
            font-family: inherit;
            font-size: 14px;
            background: #fafbf8;
            transition: border .2s;
            margin-bottom: 14px;
            color: var(--ink);
            outline: none;
        }
        form.consult-form input:focus,
        form.consult-form select:focus,
        form.consult-form textarea:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(12, 61, 46, 0.1);
        }
        form.consult-form textarea {
            min-height: 100px;
            resize: vertical;
        }

        .site-footer {
            background: #07291c;
            color: #9AAC9E;
        }
        .section-sub {
            color: var(--muted);
            font-size: 16px;
            margin-top: 12px;
        }
        .topbar {
            font-size: 13px;
        }
        .mobile-drawer-trigger {
            display: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 8px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: transparent;
        }
        .mobile-drawer-trigger span {
            width: 18px;
            height: 2px;
            background: #fff;
            display: block;
            border-radius: 2px;
        }
        @media(max-width:1024px) {
            .mobile-drawer-trigger {
                display: flex;
            }
        }
        .drawer-menu {
            display: none;
            background: var(--primary);
            border-top: 1px solid rgba(255, 255, 255, .08);
        }
        .drawer-menu a {
            display: block;
            padding: 14px 24px;
            color: #fff;
            font-size: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, .05);
        }
        .drawer-menu.active {
            display: block;
        }
        .btn-dark {
            background: var(--primary);
            color: #fff;
            padding: 15px 32px;
        }
        .btn-dark:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .focus-outline:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .card-hover {
            transition: all .25s;
        }
        .card-hover:hover {
            transform: translateY(-3px);
        }
        @media(prefers-reduced-motion: reduce) {
            * {
                scroll-behavior: auto !important;
            }
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }