/* roulang page: index */
:root {
      --primary: #1C3B34;
      --primary-dark: #122622;
      --primary-light: #2A564C;
      --accent: #C5A059;
      --accent-hover: #B38E46;
      --accent-soft: rgba(197, 160, 89, 0.12);
      --bg-page: #F8F9FA;
      --bg-white: #FFFFFF;
      --bg-dark: #0B1519;
      --bg-dark-card: #142228;
      --text-main: #1A1A1A;
      --text-muted: #5A6570;
      --text-sub: #8C96A3;
      --border-color: rgba(0, 0, 0, 0.08);
      --border-light: rgba(255, 255, 255, 0.1);
      --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 14px;
      --transition: all 0.25s ease-out;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.7;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部微栏 */
    .top-bar {
      background-color: var(--bg-dark);
      color: #A0B0B9;
      font-size: 0.8125rem;
      border-bottom: 1px solid var(--border-light);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 38px;
    }
    .top-bar-left, .top-bar-right {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .top-bar-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .top-bar-item svg {
      width: 14px;
      height: 14px;
      fill: var(--accent);
    }

    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.02em;
    }
    .site-logo svg {
      width: 28px;
      height: 28px;
      fill: var(--accent);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }
    .nav-link {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--accent);
      transition: var(--transition);
    }
    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }
    .nav-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn-gold {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.9375rem;
      font-weight: 600;
      color: #FFFFFF;
      background-color: var(--accent);
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(197, 160, 89, 0.25);
      transition: var(--transition);
    }
    .btn-gold:hover {
      background-color: var(--accent-hover);
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(197, 160, 89, 0.35);
    }
    .btn-dark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.9375rem;
      font-weight: 600;
      color: #FFFFFF;
      background-color: var(--primary);
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
    }
    .btn-dark:hover {
      background-color: var(--primary-dark);
      transform: translateY(-1px);
    }
    .mobile-toggle {
      display: none;
      background: none;
      cursor: pointer;
      padding: 8px;
    }
    .mobile-toggle svg {
      width: 24px;
      height: 24px;
      fill: var(--text-main);
    }

    /* 移动端抽屉导航 */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 72px;
      left: 0;
      right: 0;
      background-color: #FFFFFF;
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      padding: 24px;
      flex-direction: column;
      gap: 18px;
      z-index: 999;
    }
    .mobile-drawer.open {
      display: flex;
    }
    .mobile-drawer .nav-link {
      font-size: 1.05rem;
      padding: 10px 0;
      border-bottom: 1px solid rgba(0,0,0,0.04);
    }

    /* 统一 Section 排版 */
    section {
      padding: 88px 0;
      position: relative;
    }
    .section-header {
      max-width: 760px;
      margin: 0 auto 56px auto;
      text-align: center;
    }
    .section-badge {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--accent);
      background-color: var(--accent-soft);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 16px;
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 18px;
      letter-spacing: -0.02em;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* 1. HERO 区块（工业参数首屏与检索条） */
    .hero-section {
      padding: 72px 0 96px 0;
      background: linear-gradient(180deg, #FFFFFF 0%, #F0F4F2 100%);
      position: relative;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 40px;
    }
    .hero-top {
      max-width: 920px;
      margin: 0 auto;
      text-align: center;
    }
    .hero-h1 {
      font-size: clamp(2.2rem, 4.5vw, 3.4rem);
      font-weight: 800;
      color: var(--primary);
      line-height: 1.25;
      letter-spacing: -0.03em;
      margin-bottom: 22px;
    }
    .hero-intro {
      font-size: 1.125rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 36px;
      text-align: center;
    }
    
    /* 关键参数状态条 */
    .hero-spec-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 40px;
    }
    .spec-item {
      border-right: 1px solid var(--border-color);
      padding-right: 16px;
    }
    .spec-item:last-child {
      border-right: none;
      padding-right: 0;
    }
    .spec-label {
      font-size: 0.8125rem;
      color: var(--text-sub);
      text-transform: uppercase;
      margin-bottom: 4px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .spec-value {
      font-family: Consolas, Monaco, "SF Pro Display", monospace;
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--primary);
    }
    .spec-unit {
      font-size: 0.875rem;
      font-weight: normal;
      color: var(--text-muted);
      margin-left: 2px;
    }

    /* 预订搜索表单栏 */
    .search-panel {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 24px 32px;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(0, 0, 0, 0.06);
    }
    .search-form-grid {
      display: grid;
      grid-template-columns: 1.2fr 1.3fr 1.1fr auto;
      gap: 16px;
      align-items: center;
    }
    .input-cell {
      display: flex;
      flex-direction: column;
      gap: 6px;
      border: 1px solid var(--border-color);
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      background-color: #FAFAFA;
      transition: var(--transition);
    }
    .input-cell:focus-within {
      border-color: var(--accent);
      background-color: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.15);
    }
    .input-cell label {
      font-size: 0.75rem;
      color: var(--text-sub);
      font-weight: 600;
      text-transform: uppercase;
    }
    .input-cell input, .input-cell select {
      background: transparent;
      font-size: 0.95rem;
      color: var(--text-main);
      font-weight: 500;
      width: 100%;
    }
    .search-btn {
      height: 58px;
      padding: 0 34px;
      font-size: 1.05rem;
      font-weight: 700;
      background-color: var(--accent);
      color: #FFFFFF;
      border-radius: var(--radius-sm);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: var(--transition);
      box-shadow: 0 4px 14px rgba(197, 160, 89, 0.35);
      white-space: nowrap;
    }
    .search-btn:hover {
      background-color: var(--accent-hover);
      transform: translateY(-2px);
    }
    .hero-tags {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      margin-top: 24px;
      font-size: 0.875rem;
      color: var(--text-muted);
    }
    .hero-tags span {
      background: #FFFFFF;
      padding: 4px 12px;
      border-radius: 20px;
      border: 1px solid var(--border-color);
    }

    /* 2. 平台资质与技术指标 (#about) */
    .about-section {
      background-color: var(--bg-white);
    }
    .about-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
    }
    .about-visual {
      position: relative;
    }
    .about-visual img {
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      width: 100%;
      height: 440px;
      object-fit: cover;
    }
    .about-badge-card {
      position: absolute;
      bottom: -24px;
      right: -24px;
      background: var(--bg-dark);
      color: #FFFFFF;
      padding: 24px 30px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-light);
    }
    .badge-card-number {
      font-family: Consolas, monospace;
      font-size: 2.2rem;
      font-weight: 700;
      color: var(--accent);
    }
    .badge-card-txt {
      font-size: 0.875rem;
      color: #A0B0B9;
      margin-top: 4px;
    }
    .about-content h3 {
      font-size: 1.85rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 18px;
    }
    .about-content p {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.8;
    }
    .about-checklist {
      list-style: none;
      display: grid;
      gap: 14px;
      margin-bottom: 30px;
    }
    .about-checklist li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--text-main);
    }
    .checklist-icon {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: var(--accent-soft);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      margin-top: 3px;
      font-weight: bold;
      font-size: 0.8rem;
    }

    /* 3. 核心预订优势矩阵 (#advantages) */
    .advantages-section {
      background-color: #F4F6F5;
    }
    .advantage-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: var(--bg-white);
      padding: 36px 30px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .adv-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(197, 160, 89, 0.4);
    }
    .adv-icon-wrap {
      width: 52px;
      height: 52px;
      background: var(--accent-soft);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 22px;
    }
    .adv-icon-wrap svg {
      width: 26px;
      height: 26px;
      fill: var(--accent);
    }
    .adv-card h4 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .adv-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
      flex-grow: 1;
    }

    /* 4. 甄选房源展示区 (#hotels) */
    .hotels-section {
      background-color: var(--bg-white);
    }
    .hotel-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .hotel-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--bg-white);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .hotel-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .hotel-cover {
      position: relative;
      height: 240px;
      overflow: hidden;
    }
    .hotel-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .hotel-card:hover .hotel-cover img {
      transform: scale(1.05);
    }
    .hotel-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(18, 38, 34, 0.85);
      backdrop-filter: blur(4px);
      color: #FFFFFF;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      font-size: 0.75rem;
      font-weight: 600;
    }
    .hotel-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .hotel-rating {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-bottom: 8px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--accent);
    }
    .hotel-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .hotel-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .hotel-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(0, 0, 0, 0.06);
      padding-top: 16px;
    }
    .hotel-price {
      font-size: 0.85rem;
      color: var(--text-sub);
    }
    .price-num {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--primary);
      margin-left: 2px;
      font-family: Consolas, monospace;
    }

    /* 5. 差旅与高端定制方案 (#solutions) - 深色视觉 */
    .solutions-section {
      background-color: var(--bg-dark);
      color: #FFFFFF;
    }
    .solutions-section .section-title {
      color: #FFFFFF;
    }
    .solutions-section .section-desc {
      color: #A0B0B9;
    }
    .solutions-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .solution-box {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 40px 36px;
      transition: var(--transition);
    }
    .solution-box:hover {
      border-color: var(--accent);
      transform: translateY(-3px);
    }
    .solution-tag {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: 0.05em;
      text-transform: uppercase;
      margin-bottom: 12px;
    }
    .solution-box h3 {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: #FFFFFF;
    }
    .solution-box p {
      font-size: 0.95rem;
      color: #A0B0B9;
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .solution-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      border-top: 1px solid var(--border-light);
      padding-top: 20px;
    }
    .sol-spec-item strong {
      display: block;
      font-size: 1.15rem;
      color: var(--accent);
      font-family: Consolas, monospace;
    }
    .sol-spec-item span {
      font-size: 0.8125rem;
      color: #7A8B94;
    }

    /* 6. 真实商旅故事与履约案例 (#stories) */
    .stories-section {
      background-color: #F8F9FA;
    }
    .story-card-wrapper {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1.2fr;
    }
    .story-image {
      position: relative;
    }
    .story-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 380px;
    }
    .story-content {
      padding: 48px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .story-quote {
      font-size: 1.2rem;
      font-weight: 600;
      color: var(--primary);
      line-height: 1.7;
      margin-bottom: 24px;
      position: relative;
    }
    .story-detail {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .story-author {
      display: flex;
      align-items: center;
      gap: 16px;
      border-top: 1px solid rgba(0, 0, 0, 0.06);
      padding-top: 20px;
    }
    .author-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
    }
    .author-info h5 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .author-info p {
      font-size: 0.8125rem;
      color: var(--text-sub);
    }

    /* 7. 核心运营数据统计条 (#stats) */
    .stats-section {
      background-color: var(--primary);
      color: #FFFFFF;
      padding: 56px 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .stat-box {
      border-right: 1px solid rgba(255, 255, 255, 0.12);
      padding: 0 16px;
    }
    .stat-box:last-child {
      border-right: none;
    }
    .stat-number {
      font-family: Consolas, monospace;
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.2;
      margin-bottom: 6px;
    }
    .stat-label {
      font-size: 0.95rem;
      color: #E2ECE8;
      font-weight: 500;
    }

    /* 8. 会员与住客真实口碑 (#reviews) */
    .reviews-section {
      background-color: var(--bg-white);
    }
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      background: #FAFAFA;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .review-card:hover {
      background: #FFFFFF;
      box-shadow: var(--shadow-md);
      border-color: rgba(197, 160, 89, 0.4);
    }
    .review-rating-stars {
      color: #F2A900;
      font-size: 1rem;
      margin-bottom: 12px;
      letter-spacing: 2px;
    }
    .review-text {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 22px;
      flex-grow: 1;
    }
    .review-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid rgba(0,0,0,0.05);
      padding-top: 14px;
      font-size: 0.8125rem;
    }
    .reviewer-name {
      font-weight: 600;
      color: var(--text-main);
    }
    .stay-tag {
      color: var(--accent);
      background: var(--accent-soft);
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* 9. 酒旅业态与出行资讯 (#news) */
    .news-section {
      background-color: #F8F9FA;
    }
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .news-thumb {
      height: 200px;
      overflow: hidden;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-thumb img {
      transform: scale(1.05);
    }
    .news-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-sub);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.45;
      margin-bottom: 12px;
    }
    .news-excerpt {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .news-link {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 10. 全链路预订保障与履约流程 (#guarantee) */
    .guarantee-section {
      background-color: var(--bg-white);
    }
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 20px;
      position: relative;
    }
    .process-step {
      background: #FAFAFA;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      transition: var(--transition);
    }
    .process-step:hover {
      background: #FFFFFF;
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }
    .step-badge {
      font-family: Consolas, monospace;
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 12px;
    }
    .step-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 11. 预订疑难解答手风琴 (#faq) */
    .faq-section {
      background-color: #F8F9FA;
    }
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    details.faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    details.faq-item[open] {
      box-shadow: var(--shadow-sm);
      border-color: var(--accent);
    }
    summary.faq-question {
      padding: 22px 28px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      list-style: none;
      user-select: none;
    }
    summary.faq-question::-webkit-details-marker {
      display: none;
    }
    .faq-icon-arrow {
      width: 18px;
      height: 18px;
      fill: var(--text-sub);
      transition: transform 0.3s ease;
      flex-shrink: 0;
    }
    details[open] .faq-icon-arrow {
      transform: rotate(180deg);
      fill: var(--accent);
    }
    .faq-answer {
      padding: 0 28px 24px 28px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.8;
      border-top: 1px solid rgba(0, 0, 0, 0.04);
      margin-top: 4px;
      padding-top: 16px;
    }

    /* 12. 底部全宽行动收口区 (#cta) */
    .cta-section {
      background: linear-gradient(135deg, var(--primary) 0%, var(--bg-dark) 100%);
      color: #FFFFFF;
      padding: 88px 0;
      text-align: center;
    }
    .cta-card {
      max-width: 820px;
      margin: 0 auto;
    }
    .cta-title {
      font-size: 2.2rem;
      font-weight: 700;
      margin-bottom: 20px;
      color: #FFFFFF;
      letter-spacing: -0.02em;
    }
    .cta-desc {
      font-size: 1.05rem;
      color: #C0D0C9;
      line-height: 1.8;
      margin-bottom: 36px;
    }
    .cta-form {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      max-width: 560px;
      margin: 0 auto;
    }
    .cta-input {
      flex-grow: 1;
      height: 54px;
      padding: 0 20px;
      font-size: 1rem;
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid var(--border-light);
      color: #FFFFFF;
      backdrop-filter: blur(4px);
    }
    .cta-input::placeholder {
      color: #8C9EA5;
    }
    .cta-input:focus {
      background: rgba(255, 255, 255, 0.2);
      border-color: var(--accent);
    }
    .cta-submit {
      height: 54px;
      padding: 0 32px;
      font-size: 1rem;
      font-weight: 700;
      background: var(--accent);
      color: #FFFFFF;
      border-radius: var(--radius-sm);
      cursor: pointer;
      white-space: nowrap;
      transition: var(--transition);
    }
    .cta-submit:hover {
      background: var(--accent-hover);
    }

    /* 页脚设计 */
    .site-footer {
      background-color: #070E11;
      color: #8C9EA5;
      padding: 64px 0 32px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 0.875rem;
    }
    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 48px;
      margin-bottom: 56px;
    }
    .footer-brand .footer-logo {
      font-size: 1.4rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-brand p {
      line-height: 1.8;
      margin-bottom: 20px;
      color: #7A8E96;
    }
    .footer-col h5 {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 20px;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-col a:hover {
      color: var(--accent);
    }
    .footer-contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8125rem;
    }
    .footer-copy {
      color: #61737C;
    }
    .footer-badges {
      display: flex;
      gap: 16px;
      color: #61737C;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-spec-strip {
        grid-template-columns: repeat(2, 1fr);
      }
      .spec-item:nth-child(2) {
        border-right: none;
      }
      .search-form-grid {
        grid-template-columns: 1fr 1fr;
      }
      .search-btn {
        grid-column: span 2;
      }
      .about-layout {
        grid-template-columns: 1fr;
        gap: 48px;
      }
      .advantage-grid, .hotel-grid, .review-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-menu, .nav-action {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      section {
        padding: 64px 0;
      }
      .section-title {
        font-size: 1.85rem;
      }
      .hero-spec-strip {
        grid-template-columns: 1fr;
      }
      .spec-item {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 12px;
      }
      .spec-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
      }
      .search-form-grid {
        grid-template-columns: 1fr;
      }
      .search-btn {
        grid-column: span 1;
      }
      .advantage-grid, .hotel-grid, .solutions-grid, .review-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .story-card-wrapper {
        grid-template-columns: 1fr;
      }
      .story-content {
        padding: 32px 24px;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 32px;
      }
      .stat-box:nth-child(2) {
        border-right: none;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .cta-form {
        flex-direction: column;
      }
      .cta-input, .cta-submit {
        width: 100%;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
    }