/* roulang page: index */
/* ===== 基础变量与 Reset ===== */
  :root {
    --primary: #0D2B26;
    --champagne: #C4A568;
    --mist: #F6F4EF;
    --deep-bg: #0A1F1B;
    --ink: #1C2B27;
    --secondary: #5D6B66;
    --muted: #93A19B;
    --border: #E5E0D6;
    --success: #3E7C4F;
    --warning: #C47A45;
    --error: #B54B45;
    --radius: 16px;
    --shadow: 0 1px 3px rgba(13,43,38,0.06), 0 8px 24px rgba(13,43,38,0.08);
    --shadow-hover: 0 12px 32px rgba(13,43,38,0.14);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
    background-color: var(--mist);
    color: var(--ink);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

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

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

  button,
  input,
  select,
  textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    background: none;
  }

  button {
    cursor: pointer;
  }

  input:focus-visible {
    outline: none;
  }

  a:focus-visible {
    outline: 2px solid var(--champagne);
    outline-offset: 2px;
    border-radius: 4px;
  }

  .container-site {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  .section-padding {
    padding: 100px 0;
  }

  @media (max-width: 768px) {
    .section-padding {
      padding: 60px 0;
    }
  }

  /* ===== 导航 ===== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 248, 244, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.3s ease;
  }

  .site-header.scrolled {
    box-shadow: 0 4px 24px rgba(13, 43, 38, 0.08);
  }

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

  .logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.5px;
    white-space: nowrap;
    line-height: 1.2;
  }

  .logo-text span {
    color: var(--champagne);
  }

  .search-box {
    flex: 0 1 42%;
    display: flex;
    align-items: center;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 999px;
    height: 44px;
    padding: 0 6px 0 16px;
    transition: border-color 0.3s, box-shadow 0.3s;
  }

  .search-box:focus-within {
    border-color: var(--champagne);
    box-shadow: 0 0 0 4px rgba(196, 165, 104, 0.15);
  }

  .search-box input {
    flex: 1;
    height: 100%;
    font-size: 14px;
    color: var(--ink);
    background: transparent;
  }

  .search-box input::placeholder {
    color: var(--muted);
  }

  .search-box .search-icon {
    color: var(--muted);
    font-size: 14px;
    margin-right: 10px;
  }

  .search-btn {
    background: var(--champagne);
    color: var(--primary);
    border-radius: 999px;
    height: 32px;
    padding: 0 18px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
  }

  .search-btn:hover {
    background: #d4b87a;
    transform: scale(1.02);
  }

  .nav-right {
    display: flex;
    align-items: center;
    gap: 14px;
  }

  .dropdown-wrap {
    position: relative;
  }

  .drop-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #ffffff;
    transition: var(--transition);
  }

  .drop-btn:hover {
    border-color: var(--champagne);
    color: var(--primary);
  }

  .drop-btn i {
    font-size: 12px;
    transition: transform 0.2s;
  }

  .drop-btn.active i {
    transform: rotate(180deg);
  }

  .dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
    min-width: 200px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: all 0.2s ease;
    z-index: 50;
  }

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

  .dropdown-menu a {
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--ink);
    transition: all 0.2s;
  }

  .dropdown-menu a:hover {
    background: rgba(196, 165, 104, 0.1);
    color: var(--primary);
    padding-left: 18px;
  }

  .nav-cta {
    background: var(--primary);
    color: #fff;
    border-radius: 999px;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .nav-cta:hover {
    background: var(--champagne);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(196, 165, 104, 0.3);
  }

  .menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--border);
    color: var(--ink);
    font-size: 16px;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
  }

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

  /* 移动端搜索 */
  .mobile-search {
    display: none;
    padding: 12px 20px;
    background: #fff;
    border-bottom: 1px solid var(--border);
  }

  .mobile-search .search-box {
    width: 100%;
    flex: 1;
  }

  /* ===== Hero ===== */
  .hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-image: linear-gradient(to right, rgba(10, 31, 27, 0.92), rgba(10, 31, 27, 0.68)), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    color: #fff;
  }

  .hero-content {
    max-width: 680px;
    padding: 160px 0 80px;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(196, 165, 104, 0.15);
    border: 1px solid rgba(196, 165, 104, 0.4);
    color: var(--champagne);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
  }

  .hero-title {
    font-size: clamp(36px, 5vw, 58px);
    line-height: 1.2;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
  }

  .hero-title .accent {
    color: var(--champagne);
  }

  .hero-sub {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 540px;
  }

  .hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }

  .btn-primary {
    background: var(--champagne);
    color: var(--primary);
    border-radius: 999px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .btn-primary:hover {
    background: #d4b87a;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(196, 165, 104, 0.35);
  }

  .btn-outline-light {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 999px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .btn-outline-light:hover {
    border-color: var(--champagne);
    color: var(--champagne);
    transform: translateY(-2px);
  }

  .hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
  }

  .hero-stat-item {
    text-align: left;
  }

  .hero-stat-num {
    font-size: 28px;
    font-weight: 700;
    color: var(--champagne);
    line-height: 1.2;
  }

  .hero-stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
  }

  /* ===== 板块标题 ===== */
  .section-tag {
    font-size: 13px;
    font-weight: 600;
    color: var(--champagne);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
    display: inline-block;
  }

  .section-title {
    font-size: clamp(28px, 4vw, 38px);
    font-weight: 700;
    color: var(--ink);
    line-height: 1.3;
    margin-bottom: 16px;
  }

  .section-desc {
    font-size: 16px;
    color: var(--secondary);
    line-height: 1.75;
    max-width: 600px;
  }

  /* ===== 卖点区 ===== */
  .features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .features-left {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }

  .feature-item {
    background: #ffffff;
    border-radius: var(--radius);
    padding: 36px 32px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(229, 224, 214, 0.5);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }

  .feature-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--champagne);
    opacity: 0;
    transition: opacity 0.3s;
  }

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

  .feature-item:hover::before {
    opacity: 1;
  }

  .feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(196, 165, 104, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--champagne);
    margin-bottom: 20px;
  }

  .feature-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 10px;
  }

  .feature-item p {
    font-size: 14px;
    color: var(--secondary);
    line-height: 1.7;
  }

  .feature-feature-card {
    background: var(--primary);
    border-radius: var(--radius);
    padding: 40px 32px;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    min-height: 100%;
    background-image: linear-gradient(135deg, rgba(0, 0, 0, 0.2), transparent);
  }

  .feature-feature-card::after {
    content: '';
    position: absolute;
    right: -40px;
    bottom: -40px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(196, 165, 104, 0.15);
  }

  .feature-feature-card .feature-icon {
    background: rgba(196, 165, 104, 0.2);
    color: var(--champagne);
  }

  .feature-feature-card h3 {
    font-size: 24px;
    margin-bottom: 14px;
  }

  .feature-feature-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.8;
  }

  .feature-feature-card ul {
    list-style: none;
    margin-top: 20px;
  }

  .feature-feature-card ul li {
    padding: 6px 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .feature-feature-card ul li i {
    color: var(--champagne);
    font-size: 12px;
  }

  /* ===== 资讯动态 ===== */
  .news-section {
    background: #ffffff;
  }

  .news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 48px;
  }

  .news-card {
    display: flex;
    background: #fff;
    border: 1px solid rgba(229, 224, 214, 0.6);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 1px 2px rgba(13, 43, 38, 0.03);
  }

  .news-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-color: transparent;
  }

  .news-thumb {
    width: 280px;
    min-height: 180px;
    background: #E8E4DC;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
  }

  .news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

  .news-card:hover .news-thumb img {
    transform: scale(1.04);
  }

  .news-thumb .news-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-size: 24px;
    background: #E8E4DC;
  }

  .news-body {
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    flex: 1;
  }

  .news-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    color: var(--muted);
  }

  .news-badge {
    background: rgba(196, 165, 104, 0.12);
    color: #a08040;
    padding: 3px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    transition: var(--transition);
  }

  .news-card:hover .news-badge {
    background: var(--champagne);
    color: var(--primary);
  }

  .news-title {
    font-size: 19px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.4;
    transition: color 0.3s;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-card:hover .news-title {
    color: var(--primary);
  }

  .news-excerpt {
    font-size: 14px;
    color: var(--secondary);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-link {
    font-size: 13px;
    color: var(--champagne);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
  }

  .news-link i {
    font-size: 11px;
    transition: transform 0.2s;
  }

  .news-card:hover .news-link i {
    transform: translateX(4px);
  }

  .news-empty {
    border: 2px dashed var(--border);
    background: #FAF8F3;
    border-radius: var(--radius);
    padding: 64px 32px;
    text-align: center;
    color: var(--muted);
    font-size: 15px;
  }

  .news-empty i {
    font-size: 36px;
    display: block;
    margin-bottom: 16px;
    color: var(--champagne);
  }

  /* ===== 演示区 ===== */
  .demo-section {
    background: var(--mist);
  }

  .demo-wrap {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 56px;
    align-items: center;
  }

  .demo-content .section-title {
    margin-bottom: 20px;
  }

  .demo-content .section-desc {
    margin-bottom: 24px;
  }

  .demo-points {
    list-style: none;
    margin-top: 24px;
  }

  .demo-points li {
    display: flex;
    gap: 14px;
    padding: 10px 0;
    font-size: 14px;
    color: var(--ink);
  }

  .demo-points li i {
    color: var(--champagne);
    font-size: 16px;
    margin-top: 3px;
    flex-shrink: 0;
  }

  .demo-points li span {
    color: var(--secondary);
  }

  .demo-visual {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    background: #E8E4DC;
  }

  .demo-visual img {
    width: 100%;
    height: auto;
    aspect-ratio: 4/3;
    object-fit: cover;
  }

  .demo-visual-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(10, 31, 27, 0.85);
    backdrop-filter: blur(10px);
    color: #fff;
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 14px;
    border: 1px solid rgba(255, 255, 255, 0.15);
  }

  .demo-visual-badge strong {
    color: var(--champagne);
    font-weight: 700;
  }

  /* ===== 证据区 ===== */
  .evidence-section {
    background: var(--deep-bg);
    color: #fff;
  }

  .evidence-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
  }

  .evidence-num {
    font-size: 48px;
    font-weight: 700;
    color: var(--champagne);
    line-height: 1.2;
    font-family: "PingFang SC", sans-serif;
  }

  .evidence-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
  }

  .evidence-quote {
    margin-top: 64px;
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .evidence-quote blockquote {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    font-style: normal;
  }

  .evidence-quote cite {
    display: block;
    margin-top: 16px;
    color: var(--champagne);
    font-size: 14px;
    font-style: normal;
  }

  /* ===== 价格区 ===== */
  .pricing-section {
    background: #fff;
  }

  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: stretch;
    margin-top: 48px;
  }

  .pricing-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 32px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
  }

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

  .pricing-card.featured {
    border-color: var(--champagne);
    box-shadow: 0 0 0 1px var(--champagne), var(--shadow);
    transform: scale(1.05);
    background: linear-gradient(to bottom, rgba(196, 165, 104, 0.04), #fff);
    z-index: 2;
  }

  .pricing-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
    box-shadow: 0 0 0 1px var(--champagne), var(--shadow-hover);
  }

  .pricing-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
  }

  .pricing-price {
    font-size: 38px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
  }

  .pricing-price span {
    font-size: 14px;
    font-weight: 400;
    color: var(--muted);
    margin-left: 4px;
  }

  .pricing-desc {
    font-size: 13px;
    color: var(--secondary);
    margin-bottom: 24px;
    line-height: 1.6;
  }

  .pricing-features {
    list-style: none;
    margin-bottom: 28px;
    flex: 1;
  }

  .pricing-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .pricing-features li i {
    color: var(--champagne);
    font-size: 12px;
    width: 18px;
    text-align: center;
  }

  .pricing-features li.disabled {
    color: var(--muted);
    text-decoration: line-through;
  }

  .pricing-features li.disabled i {
    color: var(--muted);
  }

  .pricing-btn {
    display: block;
    text-align: center;
    border-radius: 999px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid var(--primary);
    color: var(--primary);
    background: transparent;
  }

  .pricing-btn:hover {
    background: rgba(13, 43, 38, 0.05);
  }

  .pricing-btn.filled {
    background: var(--champagne);
    border-color: var(--champagne);
    color: var(--primary);
  }

  .pricing-btn.filled:hover {
    background: #d4b87a;
    border-color: #d4b87a;
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(196, 165, 104, 0.3);
  }

  /* ===== FAQ ===== */
  .faq-section {
    background: var(--mist);
  }

  .faq-list {
    max-width: 800px;
    margin: 48px auto 0;
  }

  .faq-item {
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
  }

  .faq-item:first-child {
    border-top: 1px solid var(--border);
  }

  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    cursor: pointer;
    gap: 16px;
    background: none;
    width: 100%;
    text-align: left;
    transition: var(--transition);
  }

  .faq-question:hover {
    color: var(--primary);
  }

  .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(196, 165, 104, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--champagne);
    flex-shrink: 0;
    transition: transform 0.3s;
  }

  .faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--champagne);
    color: var(--primary);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.3s ease;
    padding: 0;
    font-size: 14px;
    color: var(--secondary);
    line-height: 1.75;
  }

  .faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 0 20px;
  }

  /* ===== CTA区 ===== */
  .cta-section {
    background: var(--primary);
    color: #fff;
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: rgba(196, 165, 104, 0.15);
  }

  .cta-section::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(196, 165, 104, 0.1);
  }

  .cta-title {
    font-size: clamp(26px, 4vw, 36px);
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
  }

  .cta-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.75;
    position: relative;
    z-index: 1;
  }

  .cta-btn {
    background: var(--champagne);
    color: var(--primary);
    border-radius: 999px;
    padding: 14px 40px;
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 1;
  }

  .cta-btn:hover {
    background: #d4b87a;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(196, 165, 104, 0.4);
  }

  /* ===== 页脚 ===== */
  .site-footer {
    background: var(--deep-bg);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
  }

  .footer-brand .logo-text {
    color: #fff;
    font-size: 20px;
    margin-bottom: 14px;
  }

  .footer-brand .logo-text span {
    color: var(--champagne);
  }

  .footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
    max-width: 320px;
  }

  .footer-title {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
  }

  .footer-links {
    list-style: none;
  }

  .footer-links li {
    margin-bottom: 10px;
  }

  .footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
  }

  .footer-links a:hover {
    color: var(--champagne);
    padding-left: 4px;
  }

  .footer-contact {
    list-style: none;
  }

  .footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 14px;
  }

  .footer-contact li i {
    color: var(--champagne);
    margin-top: 4px;
    font-size: 14px;
    width: 18px;
    text-align: center;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
  }

  /* ===== 浮动CTA ===== */
  .floating-cta {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 999;
    background: var(--champagne);
    color: var(--primary);
    border-radius: 999px;
    padding: 14px 28px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow-champagne);
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.3s ease;
  }

  .floating-cta.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .floating-cta:hover {
    background: #d4b87a;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(196, 165, 104, 0.45);
  }

  .floating-cta i {
    font-size: 16px;
  }

  /* ===== 移动端菜单 ===== */
  .mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100%;
    background: #fff;
    z-index: 1001;
    padding: 80px 24px 24px;
    transition: right 0.3s ease;
    box-shadow: -8px 0 32px rgba(13, 43, 38, 0.15);
  }

  .mobile-menu.open {
    right: 0;
  }

  .mobile-menu a {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    color: var(--ink);
    border-bottom: 1px solid rgba(229, 224, 214, 0.5);
    font-weight: 500;
  }

  .mobile-menu a:hover {
    color: var(--champagne);
  }

  .mobile-menu .mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--mist);
    color: var(--ink);
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  .mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 31, 27, 0.5);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s;
  }

  .mobile-menu-overlay.open {
    opacity: 1;
    pointer-events: auto;
  }

  /* ===== 响应式 ===== */
  @media (max-width: 1024px) {
    .search-box {
      flex: 0 1 30%;
    }

    .nav-cta {
      padding: 9px 18px;
    }

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

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

    .pricing-card.featured {
      transform: scale(1.02);
    }

    .pricing-card.featured:hover {
      transform: scale(1.02) translateY(-4px);
    }

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

    .evidence-grid {
      grid-template-columns: repeat(2, 1fr);
      row-gap: 40px;
    }

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

  @media (max-width: 768px) {
    .nav-wrap {
      height: 60px;
      gap: 12px;
    }

    .logo-text {
      font-size: 17px;
    }

    .search-box {
      display: none;
    }

    .nav-right .dropdown-wrap,
    .nav-right .nav-cta {
      display: none;
    }

    .menu-toggle {
      display: flex;
    }

    .mobile-search {
      display: block;
    }

    .hero-section {
      min-height: 90vh;
    }

    .hero-content {
      padding: 140px 0 60px;
    }

    .hero-title {
      font-size: 34px;
      line-height: 1.25;
    }

    .hero-sub {
      font-size: 15px;
    }

    .hero-btns {
      flex-direction: column;
      align-items: flex-start;
    }

    .hero-btns .btn-primary,
    .hero-btns .btn-outline-light {
      width: 100%;
      justify-content: center;
    }

    .hero-stats {
      gap: 24px;
      flex-wrap: wrap;
    }

    .news-card {
      flex-direction: column;
    }

    .news-thumb {
      width: 100%;
      height: 180px;
    }

    .news-body {
      padding: 20px;
    }

    .pricing-grid {
      grid-template-columns: 1fr;
      max-width: 480px;
      margin-left: auto;
      margin-right: auto;
    }

    .pricing-card.featured {
      transform: none;
      order: -1;
    }

    .pricing-card.featured:hover {
      transform: translateY(-4px);
    }

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

    .floating-cta {
      bottom: 16px;
      right: 16px;
      padding: 12px 20px;
      font-size: 13px;
    }

    .section-padding {
      padding: 60px 0;
    }

    .evidence-num {
      font-size: 36px;
    }

    .features-left {
      gap: 20px;
    }

    .feature-item {
      padding: 28px 24px;
    }
  }

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

    .mobile-search .search-box {
      height: 38px;
    }

    .mobile-search .search-btn {
      height: 28px;
      font-size: 12px;
      padding: 0 14px;
    }

    .hero-title {
      font-size: 29px;
    }

    .hero-sub {
      font-size: 14px;
    }

    .hero-stats {
      gap: 16px;
    }

    .hero-stat-num {
      font-size: 20px;
    }

    .hero-stat-label {
      font-size: 12px;
    }

    .section-title {
      font-size: 24px;
    }

    .demo-visual-badge {
      font-size: 12px;
      padding: 10px 14px;
      bottom: 12px;
      left: 12px;
    }

    .evidence-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .evidence-num {
      font-size: 30px;
    }

    .pricing-card {
      padding: 28px 24px;
    }

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

    .footer-brand .logo-text {
      font-size: 17px;
    }
  }

  /* ===== 数字动画 ===== */
  .count-item {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .count-item.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ===== 滚动进入动画 ===== */
  .reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

/* roulang page: category1 */
:root {
    --pine: #0D2B26;
    --deep: #0A1F1B;
    --champagne: #C4A568;
    --mist: #F6F4EF;
    --ink: #1C2B27;
    --ink-secondary: #5D6B66;
    --ink-muted: #93A19B;
    --borderlight: #E5E0D6;
    --radius-card: 14px;
    --shadow-card: 0 1px 3px rgba(13,43,38,0.06), 0 8px 24px rgba(13,43,38,0.08);
    --shadow-hover: 0 12px 32px rgba(13,43,38,0.14);
    --transition-base: all 0.3s ease;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
    background-color: var(--mist);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

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

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

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

  input {
    font-family: inherit;
    outline: none;
  }

  .container-site {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  /* ===== Header / Navigation ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(250, 248, 244, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--borderlight);
    transition: box-shadow 0.3s ease;
  }

  .site-header.scrolled {
    box-shadow: 0 4px 20px rgba(13, 43, 38, 0.08);
  }

  .nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 72px;
  }

  .logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--pine);
    white-space: nowrap;
    letter-spacing: 0.5px;
    line-height: 1.2;
  }

  .logo-text span {
    color: var(--champagne);
  }

  .search-box {
    flex: 0 1 420px;
    display: flex;
    align-items: center;
    background: #fff;
    border: 1px solid var(--borderlight);
    border-radius: 999px;
    height: 44px;
    padding: 0 6px 0 16px;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
  }

  .search-box:focus-within {
    border-color: var(--champagne);
    box-shadow: 0 0 0 4px rgba(196, 165, 104, 0.15);
  }

  .search-icon {
    color: var(--ink-muted);
    font-size: 14px;
    margin-right: 10px;
    flex-shrink: 0;
  }

  .search-box input {
    flex: 1;
    border: none;
    font-size: 14px;
    color: var(--ink);
    background: transparent;
    height: 100%;
    min-width: 0;
  }

  .search-box input::placeholder {
    color: var(--ink-muted);
  }

  .search-btn {
    background: var(--champagne);
    color: var(--deep);
    border: none;
    border-radius: 999px;
    padding: 0 20px;
    height: 34px;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.3s ease, transform 0.2s ease;
    white-space: nowrap;
  }

  .search-btn:hover {
    background: #d4b87c;
    transform: scale(1.02);
  }

  .nav-right {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
  }

  .dropdown-wrap {
    position: relative;
  }

  .drop-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--ink);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px;
    border: 1px solid var(--borderlight);
    border-radius: 999px;
    transition: all 0.3s ease;
    white-space: nowrap;
  }

  .drop-btn:hover {
    border-color: var(--champagne);
    color: var(--pine);
  }

  .drop-btn i:last-child {
    font-size: 12px;
    color: var(--ink-muted);
    transition: transform 0.2s ease;
  }

  .dropdown-wrap.open .drop-btn i:last-child {
    transform: rotate(180deg);
  }

  .dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--borderlight);
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    padding: 10px 0;
    min-width: 230px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    z-index: 100;
  }

  .dropdown-wrap.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    font-size: 14px;
    color: var(--ink);
    transition: background 0.2s ease;
  }

  .dropdown-menu a:hover {
    background: var(--mist);
  }

  .dropdown-menu a.active {
    font-weight: 600;
  }

  .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--pine);
    color: #f5f0e6;
    font-size: 14px;
    font-weight: 600;
    padding: 9px 18px;
    border-radius: 999px;
    transition: all 0.3s ease;
    white-space: nowrap;
  }

  .nav-cta:hover {
    background: var(--champagne);
    color: var(--deep);
    transform: translateY(-1px);
  }

  .nav-cta i {
    color: var(--champagne);
  }

  .nav-cta:hover i {
    color: var(--deep);
  }

  .menu-toggle {
    display: none;
    font-size: 20px;
    color: var(--pine);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    transition: background 0.2s ease;
  }

  .menu-toggle:hover {
    background: var(--mist);
  }

  /* Mobile drawer */
  .mobile-drawer {
    display: none;
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: var(--mist);
    z-index: 1500;
    transition: right 0.3s ease;
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.12);
    padding: 24px;
    overflow-y: auto;
  }

  .mobile-drawer.open {
    right: 0;
  }

  .mobile-drawer-close {
    font-size: 18px;
    color: var(--ink);
    background: none;
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-drawer-close:hover {
    background: rgba(13, 43, 38, 0.08);
  }

  .mobile-drawer-links {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .mobile-drawer-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 8px;
    font-size: 16px;
    color: var(--ink);
    border-bottom: 1px solid rgba(229, 224, 214, 0.7);
    transition: color 0.2s ease;
  }

  .mobile-drawer-links a:hover {
    color: var(--champagne);
  }

  .mobile-drawer-links a.active {
    font-weight: 700;
    color: var(--pine);
    border-left: 3px solid var(--champagne);
    padding-left: 16px;
  }

  .mobile-drawer-cta {
    margin-top: 24px;
    display: block;
    text-align: center;
    background: var(--pine);
    color: #fff;
    padding: 14px;
    border-radius: 999px;
    font-weight: 600;
    transition: background 0.2s ease;
  }

  .mobile-drawer-cta:hover {
    background: var(--champagne);
    color: var(--deep);
  }

  .drawer-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 31, 27, 0.5);
    z-index: 1400;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .drawer-overlay.show {
    display: block;
    opacity: 1;
  }

  /* ===== Hero ===== */
  .hero-banner {
    position: relative;
    background-image: linear-gradient(to right, rgba(10, 31, 27, 0.94), rgba(13, 43, 38, 0.72)), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    padding: 120px 0;
    color: #f5f0e6;
    overflow: hidden;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(196, 165, 104, 0.18);
    border: 1px solid rgba(196, 165, 104, 0.4);
    border-radius: 999px;
    padding: 6px 16px;
    font-size: 13px;
    color: var(--champagne);
    margin-bottom: 24px;
    letter-spacing: 1px;
  }

  .hero-title {
    font-size: 54px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #fff;
    letter-spacing: 1px;
  }

  .hero-title .accent {
    color: var(--champagne);
  }

  .hero-text {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(245, 240, 230, 0.88);
    max-width: 600px;
    margin-bottom: 32px;
  }

  .hero-cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--champagne);
    color: var(--deep);
    font-weight: 600;
    font-size: 15px;
    padding: 14px 30px;
    border-radius: 999px;
    transition: all 0.3s ease;
  }

  .btn-primary:hover {
    background: #e0c68c;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(196, 165, 104, 0.35);
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.6);
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    padding: 14px 28px;
    border-radius: 999px;
    transition: all 0.3s ease;
  }

  .btn-outline:hover {
    border-color: var(--champagne);
    color: var(--champagne);
  }

  .hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
  }

  .hero-stat {
    text-align: left;
  }

  .hero-stat .num {
    font-size: 32px;
    font-weight: 700;
    color: var(--champagne);
    line-height: 1.2;
  }

  .hero-stat .label {
    font-size: 13px;
    color: rgba(245, 240, 230, 0.7);
    margin-top: 4px;
  }

  /* ===== Breadcrumb ===== */
  .breadcrumb {
    padding: 24px 0;
    font-size: 14px;
    color: var(--ink-secondary);
  }

  .breadcrumb a {
    color: var(--ink-secondary);
    transition: color 0.2s ease;
  }

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

  .breadcrumb .sep {
    margin: 0 8px;
    color: var(--ink-muted);
  }

  .breadcrumb .current {
    color: var(--ink);
    font-weight: 500;
  }

  /* ===== Section styling ===== */
  .section-padding {
    padding: 96px 0;
  }

  .section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--champagne);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
  }

  .section-title {
    font-size: 34px;
    font-weight: 700;
    color: var(--pine);
    line-height: 1.3;
    margin-bottom: 16px;
  }

  .section-subtitle {
    font-size: 16px;
    color: var(--ink-secondary);
    max-width: 640px;
    line-height: 1.8;
  }

  /* ===== Content modules ===== */
  .module-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-bottom: 96px;
  }

  .module-grid.reverse {
    direction: rtl;
  }

  .module-grid.reverse > * {
    direction: ltr;
  }

  .module-image {
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-base);
  }

  .module-image:hover {
    box-shadow: var(--shadow-hover);
  }

  .module-image img {
    width: 100%;
    height: 340px;
    object-fit: cover;
    transition: transform 0.6s ease;
  }

  .module-image:hover img {
    transform: scale(1.04);
  }

  .module-content .btn-primary {
    font-size: 14px;
    padding: 11px 24px;
  }

  /* ===== Feature highlight ===== */
  .feature-highlight {
    background: #fff;
    border-radius: 18px;
    border: 1px solid var(--borderlight);
    box-shadow: var(--shadow-card);
    padding: 28px;
    transition: var(--transition-base);
  }

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

  .feature-highlight i {
    font-size: 28px;
    color: var(--champagne);
    margin-bottom: 14px;
  }

  .feature-highlight h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--pine);
    margin-bottom: 8px;
    line-height: 1.4;
  }

  .feature-highlight p {
    font-size: 14px;
    color: var(--ink-secondary);
    line-height: 1.7;
  }

  .feature-big {
    background: linear-gradient(135deg, var(--pine), var(--deep));
    color: #f5f0e6;
    border-radius: 18px;
    padding: 36px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 100%;
    transition: var(--transition-base);
  }

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

  .feature-big::after {
    content: '';
    position: absolute;
    right: -40px;
    top: -40px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(196, 165, 104, 0.15);
  }

  .feature-big h3 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
  }

  .feature-big p {
    font-size: 15px;
    color: rgba(245, 240, 230, 0.82);
    line-height: 1.7;
    position: relative;
    z-index: 1;
  }

  /* ===== Sports tags ===== */
  .sport-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--borderlight);
    border-radius: 999px;
    padding: 10px 22px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    transition: all 0.3s ease;
  }

  .sport-tag i {
    color: var(--champagne);
  }

  .sport-tag:hover {
    border-color: var(--champagne);
    background: rgba(196, 165, 104, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(13, 43, 38, 0.08);
  }

  /* ===== Process timeline ===== */
  .process-wrapper {
    position: relative;
    padding-left: 48px;
  }

  .process-wrapper::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--champagne), rgba(196, 165, 104, 0.2));
  }

  .process-item {
    position: relative;
    padding: 20px 0;
    padding-left: 24px;
  }

  .process-item::before {
    content: '';
    position: absolute;
    left: -32px;
    top: 28px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--champagne);
    border: 3px solid var(--mist);
    box-shadow: 0 0 0 2px var(--champagne);
  }

  .process-item .step-num {
    font-size: 12px;
    font-weight: 700;
    color: var(--champagne);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 4px;
  }

  .process-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--pine);
    margin-bottom: 6px;
  }

  .process-item p {
    font-size: 14px;
    color: var(--ink-secondary);
    line-height: 1.7;
  }

  /* ===== FAQ ===== */
  .faq-wrapper {
    max-width: 800px;
    margin: 0 auto;
  }

  .faq-item {
    border-bottom: 1px solid var(--borderlight);
  }

  .faq-item:first-child {
    border-top: 1px solid var(--borderlight);
  }

  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 22px 4px;
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    text-align: left;
    background: none;
    transition: color 0.2s ease;
    line-height: 1.5;
  }

  .faq-question:hover {
    color: var(--pine);
  }

  .faq-icon {
    font-size: 20px;
    color: var(--champagne);
    flex-shrink: 0;
    transition: transform 0.3s ease;
    line-height: 1;
  }

  .faq-item.open .faq-icon {
    transform: rotate(45deg);
  }

  .faq-item.open .faq-question {
    color: var(--pine);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }

  .faq-answer-inner {
    padding: 0 4px 20px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--ink-secondary);
  }

  /* ===== CTA ===== */
  .cta-section {
    background: linear-gradient(120deg, var(--pine), var(--deep));
    border-radius: 24px;
    padding: 64px;
    position: relative;
    overflow: hidden;
    text-align: center;
    color: #fff;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    right: -60px;
    top: -60px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: rgba(196, 165, 104, 0.12);
  }

  .cta-section h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #fff;
    line-height: 1.3;
  }

  .cta-section p {
    font-size: 16px;
    color: rgba(245, 240, 230, 0.82);
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.8;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--deep);
    color: rgba(245, 240, 230, 0.85);
    padding-top: 72px;
    margin-top: 96px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.4fr;
    gap: 48px;
    padding-bottom: 48px;
  }

  .footer-brand .logo-text {
    color: #fff;
    font-size: 22px;
  }

  .footer-brand .logo-text span {
    color: var(--champagne);
  }

  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(245, 240, 230, 0.6);
    margin-top: 14px;
    max-width: 340px;
  }

  .footer-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
  }

  .footer-links,
  .footer-contact {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-links a {
    font-size: 14px;
    color: rgba(245, 240, 230, 0.65);
    transition: color 0.2s ease;
  }

  .footer-links a:hover {
    color: var(--champagne);
  }

  .footer-contact li {
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(245, 240, 230, 0.65);
  }

  .footer-contact i {
    color: var(--champagne);
    margin-top: 3px;
    width: 16px;
    text-align: center;
    flex-shrink: 0;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 22px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(245, 240, 230, 0.45);
  }

  /* ===== Scroll reveal ===== */
  .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .nav-cats {
      display: none;
    }

    .hero-title {
      font-size: 42px;
    }

    .section-title {
      font-size: 28px;
    }

    .module-grid {
      gap: 40px;
      margin-bottom: 72px;
    }

    .cta-section {
      padding: 48px 32px;
    }
  }

  @media (max-width: 768px) {
    .nav-wrap {
      height: 60px;
    }

    .logo-text {
      font-size: 18px;
    }

    .search-box {
      display: none;
    }

    .menu-toggle {
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .nav-cta {
      display: none;
    }

    .drop-btn {
      display: none;
    }

    .hero-banner {
      padding: 80px 0;
    }

    .hero-title {
      font-size: 34px;
    }

    .hero-text {
      font-size: 15px;
    }

    .hero-stats {
      flex-direction: column;
      gap: 20px;
      margin-top: 40px;
      padding-top: 24px;
    }

    .hero-stat {
      display: flex;
      align-items: baseline;
      gap: 12px;
    }

    .hero-stat .num {
      font-size: 26px;
    }

    .section-padding {
      padding: 64px 0;
    }

    .module-grid {
      grid-template-columns: 1fr;
      gap: 32px;
      margin-bottom: 56px;
      direction: ltr;
    }

    .module-grid.reverse {
      direction: ltr;
    }

    .module-image img {
      height: 220px;
    }

    .feature-highlight {
      padding: 20px;
    }

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

    .cta-section {
      padding: 40px 24px;
    }

    .cta-section h2 {
      font-size: 24px;
    }

    .hero-cta-group {
      flex-direction: column;
      width: 100%;
    }

    .hero-cta-group a {
      justify-content: center;
    }

    .process-wrapper {
      padding-left: 32px;
    }
  }

  @media (max-width: 520px) {
    .container-site {
      padding-left: 16px;
      padding-right: 16px;
    }

    .logo-text {
      font-size: 16px;
    }

    .hero-banner {
      padding: 64px 0;
    }

    .hero-title {
      font-size: 30px;
    }

    .hero-cta-group {
      flex-direction: column;
    }

    .btn-primary,
    .btn-outline {
      width: 100%;
      justify-content: center;
    }

    .section-title {
      font-size: 24px;
    }

    .module-image img {
      height: 190px;
    }

    .footer-grid {
      gap: 32px;
    }

    .site-footer {
      padding-top: 48px;
    }
  }

/* roulang page: article */
:root {
  --pine: #0D2B26;
  --champagne: #C4A568;
  --mist: #F6F4EF;
  --deep: #0A1F1B;
  --ink: #1C2B27;
  --secondary: #5D6B66;
  --muted: #93A19B;
  --border-line: #E5E0D6;
  --radius-card: 16px;
  --radius-btn: 999px;
  --shadow-card: 0 1px 3px rgba(13,43,38,0.06), 0 8px 24px rgba(13,43,38,0.08);
  --shadow-hover: 0 12px 32px rgba(13,43,38,0.14);
}

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

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background: var(--mist);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s; }
button { border: none; background: none; font: inherit; cursor: pointer; }
input { outline: none; }

.container-site { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}

.logo-text {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  white-space: nowrap;
}
.logo-text span { color: var(--champagne); }

.search-box {
  flex: 1;
  max-width: 440px;
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border-line);
  border-radius: 999px;
  height: 44px;
  padding: 0 4px 0 18px;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.search-box:focus-within {
  border-color: var(--champagne);
  box-shadow: 0 0 0 3px rgba(196, 165, 104, 0.18);
}
.search-icon { color: var(--muted); font-size: 14px; margin-right: 10px; flex-shrink: 0; }
.search-box input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 14px;
  color: var(--ink);
  min-width: 0;
}
.search-box input::placeholder { color: var(--muted); }
.search-btn {
  background: var(--champagne);
  color: var(--deep);
  border-radius: 999px;
  height: 36px;
  padding: 0 22px;
  font-weight: 600;
  font-size: 14px;
  transition: filter 0.2s, transform 0.2s;
}
.search-btn:hover { filter: brightness(1.08); transform: scale(1.02); }

.nav-right { display: flex; align-items: center; gap: 16px; position: relative; }

.dropdown-wrap { position: relative; }
.drop-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 18px;
  border: 1px solid var(--border-line);
  border-radius: 999px;
  background: #fff;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.drop-btn i:first-child { color: var(--champagne); }
.drop-btn i:last-child { font-size: 11px; color: var(--muted); transition: transform 0.2s; }
.drop-btn:hover { border-color: var(--champagne); box-shadow: 0 2px 8px rgba(13, 43, 38, 0.06); }
.dropdown-wrap.open .drop-btn i:last-child { transform: rotate(180deg); }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 240px;
  background: #fff;
  border: 1px solid var(--border-line);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  padding: 8px;
  display: none;
  z-index: 200;
}
.dropdown-menu.show { display: block; }
.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--ink);
  transition: background 0.2s, color 0.2s;
}
.dropdown-menu a:hover { background: var(--mist); color: var(--pine); }
.dropdown-menu a i { color: var(--champagne); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 44px;
  padding: 0 20px;
  background: var(--champagne);
  color: var(--deep);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: filter 0.2s, transform 0.2s;
}
.nav-cta:hover { filter: brightness(1.08); transform: scale(1.02); }

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-size: 16px;
}

/* ===== 文章 Hero ===== */
.article-hero {
  position: relative;
  background: var(--deep);
  padding: 72px 0 64px;
  color: #fff;
  overflow: hidden;
}
.article-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.28;
}
.article-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10,31,27,0.92) 0%, rgba(13,43,38,0.78) 60%, rgba(13,43,38,0.6) 100%);
}
.article-hero .container-site { position: relative; z-index: 2; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 28px;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.7); }
.breadcrumb a:hover { color: var(--champagne); }
.breadcrumb .sep { color: rgba(255, 255, 255, 0.28); }

.article-hero h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  max-width: 860px;
  letter-spacing: 0.01em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}
.article-meta i {
  color: var(--champagne);
  margin-right: 6px;
}
.article-meta span { display: inline-flex; align-items: center; }

.article-summary {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.75);
  max-width: 820px;
}

/* ===== 正文区 ===== */
.article-body {
  background: var(--mist);
  padding: 56px 0 72px;
}
.article-content {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  padding: 48px;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}
.article-content p {
  margin-bottom: 22px;
  font-size: 16px;
  line-height: 1.8;
}
.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--pine);
  margin: 42px 0 18px;
  line-height: 1.4;
}
.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--pine);
  margin: 32px 0 14px;
  line-height: 1.4;
}
.article-content ul {
  margin: 0 0 24px 20px;
  line-height: 1.8;
}
.article-content ul li { margin-bottom: 8px; position: relative; }
.article-content ul li::before {
  content: '';
  position: absolute;
  left: -16px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--champagne);
}
.article-content blockquote {
  border-left: 4px solid var(--champagne);
  background: var(--mist);
  padding: 18px 22px;
  border-radius: 0 12px 12px 0;
  margin: 28px 0;
  color: var(--secondary);
  font-size: 15px;
  line-height: 1.8;
}
.article-content img {
  border-radius: 12px;
  margin: 28px 0;
  width: 100%;
}
.article-content a {
  color: var(--pine);
  border-bottom: 1px solid var(--champagne);
  transition: color 0.2s, border-color 0.2s;
}
.article-content a:hover { color: var(--champagne); }

/* ===== 未找到 ===== */
.not-found {
  text-align: center;
  padding: 80px 24px;
  background: var(--mist);
  border: 2px dashed var(--border-line);
  border-radius: var(--radius-card);
}
.not-found i { font-size: 44px; color: var(--champagne); margin-bottom: 16px; }
.not-found p { font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.not-found span { font-size: 14px; color: var(--secondary); }
.not-found .back-home {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 28px;
  background: var(--champagne);
  color: var(--deep);
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
}

/* ===== 相关推荐 ===== */
.related-section {
  background: #fff;
  padding: 80px 0;
  border-top: 1px solid var(--border-line);
}
.section-head { text-align: center; margin-bottom: 44px; }
.section-head .section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--champagne);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--pine);
  line-height: 1.3;
}
.section-head p {
  font-size: 15px;
  color: var(--secondary);
  margin-top: 10px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.related-card {
  display: block;
  background: #fff;
  border: 1px solid var(--border-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(196, 165, 104, 0.5);
}
.related-image {
  position: relative;
  height: 190px;
  overflow: hidden;
  background: #E8E4DC;
}
.related-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.related-card:hover .related-image img { transform: scale(1.05); }
.related-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(13, 43, 38, 0.82);
  color: #fff;
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.related-info { padding: 20px 22px 22px; }
.related-info .related-date {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}
.related-info .related-date i { color: var(--champagne); }
.related-info h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: 8px;
  transition: color 0.2s;
}
.related-card:hover .related-info h3 { color: var(--pine); }
.related-info p {
  font-size: 14px;
  color: var(--secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}
.related-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--champagne);
  display: flex;
  align-items: center;
  gap: 4px;
}
.related-more i { transition: transform 0.2s; }
.related-card:hover .related-more i { transform: translateX(4px); }

/* ===== 返回栏目 ===== */
.back-section {
  background: var(--deep);
  padding: 56px 0 72px;
  text-align: center;
}
.back-section p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
  margin-bottom: 22px;
}
.back-section p i { color: var(--champagne); margin-right: 6px; }
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 36px;
  border: 2px solid var(--champagne);
  color: var(--champagne);
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: background 0.25s, color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.back-btn:hover {
  background: var(--champagne);
  color: var(--deep);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(196, 165, 104, 0.28);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--deep);
  color: #e8e4dc;
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: 52px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 21px;
  margin-bottom: 16px;
  display: block;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.58);
}
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 11px; }
.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--champagne); }
.footer-contact { list-style: none; }
.footer-contact li {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 11px;
  display: flex;
  gap: 10px;
}
.footer-contact i { color: var(--champagne); margin-top: 4px; font-size: 13px; }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== 浮动 CTA ===== */
.float-cta {
  position: fixed;
  right: 32px;
  bottom: 32px;
  display: flex;
  align-items: center;
  gap: 9px;
  background: var(--champagne);
  color: var(--deep);
  padding: 14px 26px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(196, 165, 104, 0.38);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, filter 0.2s;
  z-index: 300;
}
.float-cta.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.float-cta:hover { filter: brightness(1.08); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .search-box { max-width: 320px; }
  .nav-wrap { gap: 16px; }
  .nav-cta { padding: 0 16px; }
  .drop-btn { padding: 0 14px; }
  .footer-grid { gap: 36px; }
}

@media (max-width: 768px) {
  .nav-wrap {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 0;
    row-gap: 12px;
  }
  .search-box {
    order: 3;
    width: 100%;
    max-width: none;
  }
  .nav-cta { display: none; }
  .menu-toggle { display: flex; }
  .drop-btn { padding: 0 13px; }
  .drop-btn .fa-chevron-down { display: none; }

  .article-hero { padding: 52px 0 44px; }
  .article-hero h1 { font-size: 28px; }
  .article-meta { gap: 14px; font-size: 12.5px; }
  .article-summary { font-size: 14px; }

  .article-content { padding: 28px 24px; }
  .article-content h2 { font-size: 21px; }
  .article-content h3 { font-size: 18px; }

  .related-grid { grid-template-columns: 1fr; gap: 20px; }
  .related-image { height: 200px; }

  .section-head h2 { font-size: 26px; }

  .footer-grid { grid-template-columns: 1fr; gap: 36px; padding-bottom: 32px; }

  .float-cta { right: 16px; bottom: 16px; padding: 12px 18px; font-size: 13px; }
}

@media (max-width: 520px) {
  .logo-text { font-size: 18px; }
  .nav-wrap { padding: 10px 0; }
  .drop-btn span { display: none; }
  .drop-btn { width: 42px; padding: 0; justify-content: center; }
  .menu-toggle { width: 42px; }

  .article-hero h1 { font-size: 24px; }
  .article-body { padding: 40px 0; }
  .article-content { padding: 20px 16px; }

  .related-image { height: 180px; }
  .site-footer { padding-top: 48px; }
}

/* roulang page: category2 */
:root {
  --primary: #0D2B26;
  --deep: #0A1F1B;
  --champagne: #C4A568;
  --champagne-light: #D9BF8F;
  --mist: #F6F4EF;
  --ink: #1C2B27;
  --secondary: #5D6B66;
  --muted: #93A19B;
  --border: #E5E0D6;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(13,43,38,0.06), 0 8px 24px rgba(13,43,38,0.08);
  --shadow-hover: 0 12px 32px rgba(13,43,38,0.14);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background-color: var(--mist);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; outline: none; }

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

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250,248,244,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-wrap {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}
.logo-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.logo-text span { color: var(--champagne); }
.search-box {
  flex: 1;
  max-width: 480px;
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  height: 44px;
  padding: 0 6px 0 16px;
  transition: border-color .25s, box-shadow .25s;
}
.search-box:focus-within {
  border-color: var(--champagne);
  box-shadow: 0 0 0 4px rgba(196,165,104,0.15);
}
.search-icon { color: var(--muted); font-size: 14px; margin-right: 10px; }
.search-box input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 14px;
  min-width: 0;
}
.search-btn {
  height: 34px;
  padding: 0 18px;
  border: none;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  transition: background .25s;
}
.search-btn:hover { background: var(--champagne); color: var(--deep); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.dropdown-wrap { position: relative; }
.drop-btn {
  display: flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 16px;
  border: 1px solid var(--border);
  background: transparent;
  border-radius: 999px;
  font-size: 14px;
  color: var(--ink);
  transition: border-color .25s, background .25s;
}
.drop-btn:hover { border-color: var(--champagne); background: rgba(196,165,104,0.08); }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 260px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all .25s ease;
}
.dropdown-wrap.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--ink);
  transition: background .2s;
}
.dropdown-menu a:hover { background: var(--mist); }
.dropdown-menu a.active { background: rgba(196,165,104,0.12); color: var(--primary); font-weight: 600; }
.nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  height: 40px; padding: 0 18px;
  background: var(--champagne);
  color: var(--deep);
  border-radius: 999px;
  font-size: 14px; font-weight: 600;
  transition: background .25s, transform .25s;
}
.nav-cta:hover { background: var(--champagne-light); transform: translateY(-1px); }
.menu-toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  color: var(--ink);
  font-size: 16px;
  align-items: center;
  justify-content: center;
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  min-height: 76vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  padding-top: 120px;
  padding-bottom: 80px;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,31,27,0.55) 0%, rgba(10,31,27,0.78) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 840px;
}
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.72);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.breadcrumb a { color: rgba(255,255,255,0.75); transition: color .2s; }
.breadcrumb a:hover { color: var(--champagne); }
.page-hero h1 {
  font-size: 56px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 2px;
  line-height: 1.2;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255,255,255,0.88);
  max-width: 680px;
  margin: 0 auto 36px;
}
.hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== Buttons ===== */
.btn-gold, .btn-ghost, .btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: all .25s ease;
}
.btn-gold {
  background: var(--champagne);
  color: var(--deep);
  border: 1px solid var(--champagne);
}
.btn-gold:hover {
  background: var(--champagne-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(196,165,104,0.25);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.7);
}
.btn-ghost:hover { border-color: var(--champagne); color: var(--champagne); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  height: 42px;
}
.btn-outline:hover { background: var(--primary); color: #fff; }

/* ===== Section ===== */
.section { padding: 96px 0; }
.section-alt { background: #fff; }
.section-dark { background: var(--deep); color: #fff; }
.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--champagne);
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-dark .section-title { color: #fff; }
.section-sub {
  font-size: 16px;
  color: var(--secondary);
  line-height: 1.75;
}
.section-dark .section-sub { color: rgba(255,255,255,0.65); }

/* ===== Intro ===== */
.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.intro-copy h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 18px;
}
.intro-copy p {
  color: var(--secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.stat-num {
  font-size: 38px;
  font-weight: 700;
  color: var(--champagne);
  line-height: 1.1;
}
.stat-label { font-size: 13px; color: var(--muted); margin-top: 8px; }

/* ===== Content Module ===== */
.module-list { display: flex; flex-direction: column; gap: 72px; }
.content-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.content-block.reverse .content-img { order: 2; }
.content-block.reverse .content-info { order: 1; }
.content-img {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.content-img img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform .5s ease;
}
.content-block:hover .content-img img { transform: scale(1.04); }
.content-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(13,43,38,0.35) 100%);
  pointer-events: none;
}
.tag {
  display: inline-flex;
  align-items: center;
  background: rgba(196,165,104,0.12);
  border: 1px solid rgba(196,165,104,0.4);
  color: #8a6d2f;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-dark .tag {
  background: rgba(196,165,104,0.18);
  border-color: rgba(196,165,104,0.5);
  color: var(--champagne);
}
.content-info h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 14px;
  line-height: 1.4;
}
.section-dark .content-info h3 { color: #fff; }
.content-info p {
  font-size: 15px;
  color: var(--secondary);
  line-height: 1.8;
  margin-bottom: 22px;
}
.section-dark .content-info p { color: rgba(255,255,255,0.68); }

/* ===== Scenario ===== */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.scenario-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.scenario-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.scenario-icon {
  width: 56px; height: 56px;
  margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(196,165,104,0.12);
  border-radius: 16px;
  color: var(--champagne);
  font-size: 22px;
}
.scenario-card h3 { font-size: 17px; font-weight: 600; color: var(--primary); margin-bottom: 10px; }
.scenario-card p { font-size: 14px; color: var(--secondary); line-height: 1.7; }

/* ===== Flow ===== */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.flow-step {
  position: relative;
  text-align: center;
  padding: 32px 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform .3s, box-shadow .3s;
}
.flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.flow-num {
  width: 44px; height: 44px;
  margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary);
  color: var(--champagne);
  font-weight: 700;
  font-size: 18px;
  border-radius: 50%;
}
.flow-step h3 { font-size: 16px; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.flow-step p { font-size: 13px; color: var(--secondary); line-height: 1.7; }

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 4px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 17px;
  font-weight: 600;
  color: var(--primary);
  transition: color .2s;
}
.faq-question:hover { color: var(--champagne); }
.faq-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 12px;
  color: var(--muted);
  transition: all .3s;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--champagne);
  color: var(--champagne);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer-inner {
  padding: 0 4px 22px;
  font-size: 15px;
  color: var(--secondary);
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 100px 0;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10,31,27,0.88);
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.cta-inner p { font-size: 16px; color: rgba(255,255,255,0.78); line-height: 1.8; margin-bottom: 32px; }

/* ===== Footer ===== */
.site-footer {
  background: var(--deep);
  color: rgba(255,255,255,0.7);
  padding-top: 72px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo-text { color: #fff; font-size: 20px; }
.footer-brand p { margin-top: 16px; font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.55); }
.footer-title { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.footer-links, .footer-contact {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a { color: rgba(255,255,255,0.55); transition: color .2s; }
.footer-links a:hover { color: var(--champagne); }
.footer-contact li { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.55); }
.footer-contact i { color: var(--champagne); width: 16px; text-align: center; }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  color: rgba(255,255,255,0.35);
  font-size: 13px;
}

/* ===== Float CTA ===== */
.float-cta {
  position: fixed;
  right: 32px;
  bottom: 32px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: var(--champagne);
  color: var(--deep);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(196,165,104,0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all .3s ease;
}
.float-cta.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.float-cta:hover { background: var(--champagne-light); transform: translateY(-2px); }

/* ===== Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .content-block { gap: 32px; }
  .nav-wrap { gap: 16px; }
}
@media (max-width: 768px) {
  .nav-wrap {
    flex-wrap: wrap;
    height: auto;
    padding: 10px 20px;
    row-gap: 10px;
  }
  .search-box {
    order: 3;
    flex: 1 0 100%;
    max-width: 100%;
    height: 40px;
  }
  .drop-btn span#dropLabel { display: none; }
  .drop-btn i.fa-chevron-down { display: none; }
  .drop-btn { padding: 0 14px; }
  .nav-cta span { display: none; }
  .nav-cta { padding: 0 14px; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .dropdown-menu {
    position: fixed;
    top: 64px;
    right: 16px;
    left: 16px;
    width: auto;
  }
  .page-hero { min-height: 60vh; padding-top: 90px; padding-bottom: 60px; }
  .page-hero h1 { font-size: 36px; }
  .hero-sub { font-size: 16px; }
  .section { padding: 64px 0; }
  .section-title { font-size: 28px; }
  .intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .content-block, .content-block.reverse { grid-template-columns: 1fr; }
  .content-block.reverse .content-img { order: 0; }
  .content-img img { height: 220px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .float-cta { right: 16px; bottom: 16px; padding: 12px 18px; }
}
@media (max-width: 520px) {
  .scenario-grid, .flow-grid, .stats-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-gold, .btn-ghost { width: 100%; max-width: 280px; }
  .cta-inner h2 { font-size: 28px; }
}

/* roulang page: category3 */
:root {
  --primary: #0D2B26;
  --primary-dark: #0A1F1B;
  --champagne: #C4A568;
  --champagne-light: #D9BE85;
  --mist: #F6F4EF;
  --ink: #1C2B27;
  --secondary: #5D6B66;
  --muted: #93A19B;
  --border: #E5E0D6;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 1px 3px rgba(13,43,38,0.06), 0 8px 24px rgba(13,43,38,0.08);
  --shadow-hover: 0 12px 32px rgba(13,43,38,0.14);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--mist);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: inherit; }

.container-site { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* 导航 */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250,248,244,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(13,43,38,0.06); }
.nav-wrap { display: flex; align-items: center; height: 72px; gap: 24px; }
.logo-text { font-size: 22px; font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: 2px; white-space: nowrap; }
.logo-text span { color: var(--champagne); }

.search-box { flex: 1; max-width: 420px; display: flex; align-items: center; background: #fff; border: 1px solid var(--border); border-radius: 999px; height: 44px; padding: 0 8px 0 16px; transition: all .25s; }
.search-box:focus-within { border-color: var(--champagne); box-shadow: 0 0 0 4px rgba(196,165,104,0.15); }
.search-icon { color: var(--muted); font-size: 14px; margin-right: 10px; }
.search-box input { flex: 1; border: none; outline: none; font-size: 14px; color: var(--ink); background: transparent; }
.search-box input::placeholder { color: var(--muted); }
.search-btn { background: var(--champagne); color: var(--primary-dark); border: none; border-radius: 999px; padding: 8px 18px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all .2s; }
.search-btn:hover { background: var(--champagne-light); transform: scale(1.02); }

.nav-right { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.dropdown-wrap { position: relative; }
.drop-btn { display: flex; align-items: center; gap: 8px; background: transparent; border: 1px solid var(--border); border-radius: 999px; padding: 10px 18px; font-size: 14px; color: var(--ink); cursor: pointer; transition: all .2s; }
.drop-btn:hover { border-color: var(--champagne); color: var(--primary); }
.dropdown-menu {
  position: absolute; top: calc(100% + 10px); left: 0; min-width: 260px;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow); padding: 8px; display: none; z-index: 50;
}
.dropdown-menu.open { display: block; }
.dropdown-menu a { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 8px; font-size: 14px; color: var(--ink); transition: all .2s; }
.dropdown-menu a:hover { background: var(--mist); color: var(--primary); }
.dropdown-menu a.nav-active { color: var(--champagne); background: rgba(196,165,104,0.08); font-weight: 600; }
.nav-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--primary); color: #fff; border-radius: 999px; padding: 10px 22px; font-size: 14px; font-weight: 600; transition: all .2s; }
.nav-cta:hover { background: var(--primary-dark); color: var(--champagne-light); transform: translateY(-2px); box-shadow: var(--shadow); }
.menu-toggle { display: none; background: transparent; border: none; font-size: 20px; color: var(--ink); cursor: pointer; padding: 8px; }

/* 面包屑 */
.cat-breadcrumb { padding: 90px 0 0; }
.breadcrumb-list { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.breadcrumb-list a { transition: color .2s; }
.breadcrumb-list a:hover { color: var(--champagne); }
.breadcrumb-list .sep { color: rgba(255,255,255,0.4); }

/* 分类 Hero */
.cat-hero {
  position: relative;
  min-height: 62vh;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  padding: 130px 0 90px;
}
.cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,31,27,0.93) 0%, rgba(10,31,27,0.75) 45%, rgba(10,31,27,0.35) 100%);
}
.cat-hero-content { position: relative; z-index: 2; max-width: 820px; }
.cat-hero h1 {
  font-size: 56px;
  font-weight: 700;
  color: #fff;
  line-height: 1.18;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.cat-hero .hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  line-height: 1.75;
  margin-bottom: 34px;
  max-width: 640px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--champagne); color: var(--primary-dark);
  border-radius: 999px; padding: 14px 30px;
  font-size: 15px; font-weight: 700;
  border: 2px solid var(--champagne);
  transition: all .3s;
  box-shadow: 0 8px 24px rgba(196,165,104,0.3);
}
.btn-primary:hover { background: var(--champagne-light); border-color: var(--champagne-light); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(196,165,104,0.42); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; border: 1.5px solid rgba(255,255,255,0.7);
  color: #fff; border-radius: 999px; padding: 14px 28px;
  font-size: 15px; font-weight: 600;
  transition: all .3s;
}
.btn-outline:hover { border-color: var(--champagne); color: var(--champagne-light); background: rgba(196,165,104,0.1); transform: translateY(-3px); }

/* 分类介绍 */
.cat-intro { padding: 90px 0 60px; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--champagne);
  margin-bottom: 12px;
  border: 1px solid rgba(196,165,104,0.3);
  background: rgba(196,165,104,0.08);
  padding: 5px 16px;
  border-radius: 999px;
}
.section-h2 { font-size: 34px; font-weight: 700; color: var(--ink); line-height: 1.3; margin-bottom: 16px; }
.section-text { font-size: 16px; color: var(--secondary); line-height: 1.8; }
.cat-intro-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; align-items: center; }
.intro-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all .3s;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.stat-card .num { font-size: 38px; font-weight: 700; color: var(--champagne); line-height: 1.2; }
.stat-card .label { font-size: 13px; color: var(--muted); margin-top: 6px; }

/* 内容模块 */
.cat-module { padding: 60px 0; }
.cat-module.alt { background: #fff; }
.module-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.module-grid.reverse .module-img { order: 2; }
.module-grid.reverse .module-text { order: 1; }
.module-img {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.module-img img { width: 100%; height: 360px; object-fit: cover; transition: transform .5s ease; }
.module-img:hover img { transform: scale(1.04); }
.module-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(13,43,38,0.18), transparent 60%); pointer-events: none; }
.module-badge {
  display: inline-block;
  background: rgba(196,165,104,0.12);
  color: #a5864a;
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 6px 16px;
  border: 1px solid rgba(196,165,104,0.25);
  margin-bottom: 18px;
}
.module-text h2 { font-size: 28px; font-weight: 700; margin-bottom: 16px; line-height: 1.3; color: var(--ink); }
.module-text p { color: var(--secondary); line-height: 1.8; font-size: 15px; margin-bottom: 10px; }
.module-list { margin-top: 16px; }
.module-list li { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; font-size: 14px; color: var(--secondary); }
.module-list li i { color: var(--champagne); margin-top: 4px; font-size: 13px; }

/* 适用场景（深色） */
.scene-section { padding: 90px 0; background: var(--primary-dark); position: relative; overflow: hidden; }
.scene-section::before {
  content: "";
  position: absolute;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: rgba(196,165,104,0.06);
  top: -140px; right: -120px;
}
.scene-section .section-h2 { color: #fff; }
.scene-section .section-text { color: rgba(255,255,255,0.7); max-width: 700px; }
.scene-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 44px; position: relative; z-index: 2; }
.scene-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 32px;
  transition: all .3s;
}
.scene-card:hover { background: rgba(255,255,255,0.09); border-color: var(--champagne); transform: translateY(-4px); }
.scene-card > i { font-size: 26px; color: var(--champagne); margin-bottom: 16px; }
.scene-card h3 { font-size: 19px; color: #fff; margin-bottom: 8px; font-weight: 600; }
.scene-card p { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.75; }
.scene-card .sub-items { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.scene-card .sub-items span {
  background: rgba(196,165,104,0.15);
  color: var(--champagne-light);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 500;
}

/* 服务流程 */
.steps-section { padding: 90px 0; }
.steps-grid { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 22px; margin-top: 44px; }
.step-item {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  box-shadow: var(--shadow);
  transition: all .3s;
}
.step-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.step-num { font-size: 34px; font-weight: 700; color: var(--champagne); line-height: 1; margin-bottom: 14px; font-family: var(--font); }
.step-item h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; color: var(--ink); }
.step-item p { font-size: 13px; color: var(--muted); line-height: 1.65; }
.step-item::before {
  content: "";
  position: absolute;
  left: 24px; right: 24px; top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--champagne), rgba(196,165,104,0.2));
  border-radius: 0 0 4px 4px;
  opacity: 0;
  transition: opacity .3s;
}
.step-item:hover::before { opacity: 1; }

/* FAQ */
.faq-section { background: #fff; padding: 90px 0; }
.faq-section .section-h2 { text-align: center; }
.faq-section .section-text { text-align: center; max-width: 600px; margin: 0 auto 40px; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  width: 100%; background: none; border: none; padding: 22px 0;
  cursor: pointer; text-align: left;
  font-size: 16px; font-weight: 600; color: var(--ink);
  transition: color .2s;
}
.faq-q:hover { color: var(--champagne); }
.faq-q .faq-icon { color: var(--champagne); font-size: 18px; transition: transform .3s ease; flex-shrink: 0; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-q:hover .faq-icon { color: var(--champagne-light); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 0 20px; font-size: 14px; color: var(--secondary); line-height: 1.75; }

/* CTA 区域 */
.cta-section {
  padding: 90px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  right: -80px; top: -80px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: rgba(196,165,104,0.12);
}
.cta-section::after {
  content: "";
  position: absolute;
  left: -60px; bottom: -100px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(196,165,104,0.07);
}
.cta-inner { text-align: center; position: relative; z-index: 2; max-width: 720px; margin: 0 auto; }
.cta-inner h2 { color: #fff; font-size: 32px; font-weight: 700; margin-bottom: 14px; line-height: 1.3; }
.cta-inner p { color: rgba(255,255,255,0.75); font-size: 15px; margin-bottom: 30px; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }
.cta-phone { display: flex; align-items: center; justify-content: center; gap: 8px; color: rgba(255,255,255,0.7); font-size: 14px; margin-top: 18px; }
.cta-phone i { color: var(--champagne); }
.cta-phone a { color: var(--champagne-light); font-weight: 600; }
.cta-phone a:hover { color: var(--champagne); }

/* 页脚 */
.site-footer { background: var(--primary-dark); padding: 70px 0 0; color: rgba(255,255,255,0.8); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 1.1fr; gap: 48px; padding-bottom: 44px; }
.footer-brand .logo-text { color: #fff; margin-bottom: 4px; }
.footer-brand p { margin-top: 12px; font-size: 14px; line-height: 1.75; color: rgba(255,255,255,0.55); max-width: 320px; }
.footer-title { font-size: 16px; color: #fff; font-weight: 600; margin-bottom: 18px; }
.footer-links li, .footer-contact li { margin-bottom: 11px; font-size: 14px; color: rgba(255,255,255,0.6); }
.footer-links li a { transition: color .2s; }
.footer-links li a:hover { color: var(--champagne); }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; }
.footer-contact li i { color: var(--champagne); width: 18px; margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,0.45); }

/* 浮动 CTA */
.floating-cta {
  position: fixed;
  bottom: 32px; right: 32px;
  z-index: 90;
  display: flex; align-items: center; gap: 10px;
  background: var(--champagne);
  color: var(--primary-dark);
  border-radius: 999px;
  padding: 14px 26px;
  font-size: 14px; font-weight: 700;
  box-shadow: 0 8px 24px rgba(196,165,104,0.35);
  opacity: 0; visibility: hidden;
  transform: translateY(16px);
  transition: all .3s ease;
}
.floating-cta.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.floating-cta:hover { background: var(--champagne-light); transform: translateY(-2px); }

/* 响应式 */
@media (max-width: 1024px) {
  .cat-intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .module-grid { gap: 40px; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .scene-grid { gap: 20px; }
}

@media (max-width: 768px) {
  .nav-wrap { height: 60px; gap: 12px; }
  .logo-text { font-size: 17px; }
  .search-box { display: none; }
  .search-box.mobile-open {
    display: flex;
    position: absolute;
    top: 60px; left: 20px; right: 20px;
    z-index: 99;
    background: #fff;
    box-shadow: var(--shadow);
  }
  .menu-toggle { display: block; }
  .dropdown-menu { left: auto; right: 0; min-width: 220px; }
  .nav-cta { display: none; }
  .cat-breadcrumb { padding: 70px 0 0; }
  .cat-hero { min-height: 70vh; padding: 110px 0 60px; }
  .cat-hero h1 { font-size: 36px; }
  .cat-hero .hero-sub { font-size: 16px; }
  .section-h2 { font-size: 27px; }
  .module-grid { grid-template-columns: 1fr; gap: 28px; }
  .module-grid.reverse .module-img { order: 0; }
  .module-grid.reverse .module-text { order: 1; }
  .module-img img { height: 240px; }
  .scene-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .floating-cta { bottom: 16px; right: 16px; padding: 12px 20px; font-size: 13px; }
  .cat-intro { padding: 60px 0 40px; }
  .intro-stats { grid-template-columns: 1fr 1fr; gap: 14px; }
  .cta-inner h2 { font-size: 26px; }
  .steps-section, .faq-section, .cta-section, .scene-section { padding: 60px 0; }
  .cat-module { padding: 40px 0; }
}

@media (max-width: 520px) {
  .intro-stats { grid-template-columns: 1fr 1fr; }
  .stat-card .num { font-size: 30px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn-primary, .hero-actions .btn-outline { justify-content: center; }
  .footer-grid { gap: 28px; }
}