/* roulang page: index */
:root {
      --sand-warm: #F9F4EF;
      --twilight-purple: #4A3B3C;
      --mineral-purple: #7D6E7D;
      --copper-gold: #C49A6C;
      --light-sand: #EDE3D6;
      --deep-brown: #2F2424;
      --success-muted: #6B8E7A;
      --body-text: rgba(74, 59, 60, 0.85);
      --muted-text: rgba(74, 59, 60, 0.6);
      --card-shadow: 0 4px 20px rgba(74, 59, 60, 0.06);
      --card-hover-shadow: 0 12px 32px rgba(74, 59, 60, 0.12);
      --radius-card: 12px;
      --radius-btn: 30px;
      --font-serif: 'Noto Serif SC', Georgia, serif;
      --font-sans: 'Noto Sans SC', 'Helvetica Neue', sans-serif;
      --font-data: 'DM Sans', 'Noto Sans SC', sans-serif;
      --max-width: 1200px;
      --transition: 0.3s ease;
    }

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

    body {
      font-family: var(--font-sans);
      background-color: var(--sand-warm);
      color: var(--twilight-purple);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    .container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 自定义覆盖 Foundation 默认样式 */
    .grid-container {
      max-width: var(--max-width);
      padding: 0;
    }

    a {
      transition: color var(--transition);
    }

    h1, h2, h3, h4 {
      font-family: var(--font-serif);
      color: var(--twilight-purple);
    }

    h1 {
      font-size: 42px;
      line-height: 1.25;
      letter-spacing: 1px;
      font-weight: 700;
    }

    h2 {
      font-size: 32px;
      line-height: 1.3;
      font-weight: 600;
      margin-bottom: 16px;
    }

    h3 {
      font-size: 20px;
      line-height: 1.4;
      font-weight: 500;
    }

    p, .body-text {
      font-size: 16px;
      line-height: 1.8;
      color: var(--body-text);
    }

    .text-muted {
      color: var(--muted-text);
      font-size: 13px;
    }

    /* 按钮系统 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 500;
      border-radius: var(--radius-btn);
      transition: all 0.25s ease;
      cursor: pointer;
      border: none;
      text-decoration: none;
      font-family: var(--font-sans);
    }

    .btn-primary {
      background: var(--mineral-purple);
      color: white;
      padding: 14px 36px;
      border: 1.5px solid transparent;
    }

    .btn-primary:hover {
      background: #5F525F;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(74, 59, 60, 0.2);
      color: white;
    }

    .btn-secondary {
      background: transparent;
      border: 1.5px solid var(--mineral-purple);
      color: var(--mineral-purple);
      padding: 12px 32px;
    }

    .btn-secondary:hover {
      background: var(--mineral-purple);
      color: white;
      transform: translateY(-2px);
    }

    .btn-copper {
      background: var(--copper-gold);
      color: var(--deep-brown);
      padding: 16px 40px;
      border-radius: 40px;
      font-weight: 600;
      letter-spacing: 0.5px;
      position: relative;
      overflow: hidden;
    }

    .btn-copper::after {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
      transition: left 0.5s ease;
    }

    .btn-copper:hover::after {
      left: 100%;
    }

    .btn-copper:hover {
      background: #b3885c;
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(196, 154, 108, 0.4);
    }

    .btn-ghost {
      background: transparent;
      border: 1px solid white;
      color: white;
      padding: 10px 24px;
      border-radius: 20px;
      font-size: 14px;
    }

    .btn-ghost:hover {
      background: rgba(249, 244, 239, 0.2);
      color: white;
    }

    /* 导航栏 */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      background: rgba(249, 244, 239, 0.85);
      backdrop-filter: blur(12px);
      box-shadow: 0 2px 12px rgba(0,0,0,0.04);
      z-index: 99;
      padding: 12px 0;
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    .logo {
      font-family: var(--font-serif);
      font-weight: 700;
      font-size: 24px;
      color: var(--mineral-purple);
      letter-spacing: 2px;
      white-space: nowrap;
    }

    .search-box {
      flex: 1;
      max-width: 480px;
      margin: 0 30px;
      position: relative;
    }

    .search-box input {
      width: 100%;
      background: var(--light-sand);
      border: none;
      border-radius: 50px;
      padding: 12px 24px 12px 48px;
      font-size: 15px;
      color: var(--twilight-purple);
      outline: none;
      transition: all 0.3s ease;
      border: 2px solid transparent;
    }

    .search-box input:focus {
      border-color: var(--mineral-purple);
      background: white;
      box-shadow: 0 0 0 4px rgba(125,110,125,0.1);
    }

    .search-icon {
      position: absolute;
      left: 20px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--mineral-purple);
      font-size: 16px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .nav-links a {
      color: var(--twilight-purple);
      text-decoration: none;
      font-weight: 500;
      font-size: 15px;
      transition: color 0.2s;
    }

    .nav-links a:hover {
      color: var(--copper-gold);
    }

    .btn-consult {
      background: var(--mineral-purple);
      color: white;
      padding: 10px 24px;
      border-radius: 30px;
      font-weight: 500;
      margin-left: 8px;
      white-space: nowrap;
    }

    .btn-consult:hover {
      background: #5F525F;
      color: white;
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--mineral-purple);
    }

    /* Hero */
    #hero {
      height: 100vh;
      min-height: 700px;
      background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: flex-start;
      color: white;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at center, rgba(47,36,36,0.3) 0%, rgba(47,36,36,0.7) 100%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 700px;
      margin-left: 10%;
      padding: 0 24px;
    }

    .hero-content h1 {
      color: white;
      text-shadow: 0 4px 20px rgba(0,0,0,0.5);
      margin-bottom: 16px;
    }

    .hero-subtitle {
      font-size: 18px;
      opacity: 0.9;
      margin-bottom: 32px;
      color: rgba(255,255,255,0.9);
    }

    .hero-search {
      display: flex;
      background: rgba(255,255,255,0.9);
      border-radius: 50px;
      padding: 6px;
      max-width: 560px;
      backdrop-filter: blur(8px);
    }

    .hero-search input {
      flex: 1;
      border: none;
      background: transparent;
      padding: 14px 24px;
      font-size: 16px;
      outline: none;
    }

    .hero-search button {
      background: var(--copper-gold);
      border: none;
      color: var(--deep-brown);
      padding: 12px 28px;
      border-radius: 40px;
      font-weight: 600;
      cursor: pointer;
    }

    .scroll-indicator {
      position: absolute;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%);
      color: white;
      font-size: 28px;
      animation: bounce 2s infinite;
    }

    @keyframes bounce {
      0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
      40% { transform: translateX(-50%) translateY(-10px); }
      60% { transform: translateX(-50%) translateY(-4px); }
    }

    /* 通用板块 */
    section {
      padding: 100px 0;
    }

    .section-header {
      text-align: center;
      margin-bottom: 60px;
    }

    /* 目的地卡片 */
    .dest-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }

    .dest-card {
      background: var(--light-sand);
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: all var(--transition);
    }

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

    .card-img {
      height: 220px;
      background-size: cover;
      background-position: center;
      position: relative;
    }

    .card-img .overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to bottom, transparent, rgba(74,59,60,0.5));
    }

    .card-body {
      padding: 20px;
    }

    .card-body h3 {
      margin-bottom: 6px;
    }

    .featured-wide {
      grid-column: span 2;
    }

    /* 优势数据 */
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
      text-align: center;
      background: var(--light-sand);
      padding: 60px;
      border-radius: 24px;
    }

    .adv-number {
      font-family: var(--font-data);
      font-size: 48px;
      font-weight: 700;
      color: var(--copper-gold);
    }

    /* 故事网格 */
    .story-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .story-item {
      position: relative;
      border-radius: 12px;
      overflow: hidden;
      aspect-ratio: 1 / 1;
      background-size: cover;
    }

    .story-item.wide {
      grid-column: span 2;
      aspect-ratio: 2 / 1;
    }

    /* 流程 */
    .steps {
      display: flex;
      justify-content: space-between;
      text-align: center;
    }

    .step-circle {
      width: 80px;
      height: 80px;
      background: var(--light-sand);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      color: var(--mineral-purple);
      font-size: 32px;
    }

    /* FAQ */
    .accordion-item {
      border-bottom: 1px solid var(--light-sand);
      padding: 16px 0;
      cursor: pointer;
    }

    .accordion-title {
      display: flex;
      justify-content: space-between;
      font-weight: 500;
    }

    /* 页脚 */
    .site-footer {
      background: var(--deep-brown);
      color: rgba(249,244,239,0.8);
      padding: 60px 0 20px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
    }

    @media (max-width: 1024px) {
      .dest-grid { grid-template-columns: repeat(2, 1fr); }
      .featured-wide { grid-column: span 2; }
    }

    @media (max-width: 768px) {
      h1 { font-size: 32px; }
      h2 { font-size: 24px; }
      section { padding: 60px 0; }
      .nav-links, .search-box { display: none; }
      .mobile-menu-toggle { display: block; }
      .dest-grid, .adv-grid, .story-grid { grid-template-columns: 1fr; }
      .featured-wide { grid-column: span 1; }
      .footer-grid { grid-template-columns: 1fr; }
      .hero-content { margin-left: 0; text-align: center; }
      .steps { flex-direction: column; gap: 30px; }
    }