/* roulang page: index */
:root {
      --primary-deep: #1E2D2F;
      --accent-amber: #E8A838;
      --bg-warm: #FAF7F2;
      --card-bg: #F0F4F3;
      --text-secondary: #5B6B6D;
      --border-light: #D6DEDB;
      --sage-green: #7C9A8C;
      --white: #FFFFFF;
      --font-heading: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
      --font-body: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
      --radius-lg: 12px;
      --radius-sm: 8px;
      --radius-pill: 30px;
      --shadow-card: 0 4px 20px rgba(30,45,47,0.06);
      --shadow-card-hover: 0 12px 32px rgba(30,45,47,0.10);
      --transition-base: all 0.25s ease;
    }

    * {
      box-sizing: border-box;
    }

    body {
      font-family: var(--font-body);
      background-color: var(--bg-warm);
      color: var(--primary-deep);
      line-height: 1.7;
      font-size: 16px;
      margin: 0;
      padding: 0;
      overflow-x: hidden;
    }

    h1, h2, h3, h4 {
      font-family: var(--font-heading);
      font-weight: 700;
      color: var(--primary-deep);
    }

    h1 {
      font-size: 42px;
      letter-spacing: -0.5px;
      font-weight: 700;
      line-height: 1.2;
    }

    h2 {
      font-size: 32px;
      font-weight: 700;
      margin-bottom: 1rem;
    }

    h3 {
      font-size: 20px;
      font-weight: 600;
    }

    .text-secondary {
      color: var(--text-secondary) !important;
    }

    .accent-text {
      color: var(--accent-amber);
    }

    .btn-primary-custom {
      background-color: var(--accent-amber);
      color: var(--primary-deep);
      border: none;
      border-radius: var(--radius-pill);
      padding: 12px 28px;
      font-weight: 600;
      transition: var(--transition-base);
      text-decoration: none;
      display: inline-block;
      box-shadow: none;
    }
    .btn-primary-custom:hover {
      background-color: #C88922;
      color: var(--primary-deep);
      transform: scale(1.03);
      box-shadow: 0 8px 18px rgba(30,45,47,0.12);
    }

    .btn-outline-custom {
      background: transparent;
      border: 2px solid var(--primary-deep);
      color: var(--primary-deep);
      border-radius: var(--radius-pill);
      padding: 12px 28px;
      font-weight: 600;
      transition: var(--transition-base);
      text-decoration: none;
      display: inline-block;
    }
    .btn-outline-custom:hover {
      background-color: var(--primary-deep);
      color: var(--white);
      border-color: var(--primary-deep);
    }

    .text-link {
      color: var(--accent-amber);
      text-decoration: underline;
      font-weight: 500;
      transition: var(--transition-base);
    }
    .text-link:hover {
      color: #C88922;
      text-decoration: none;
    }

    /* 浮动 Dock 导航 */
    .floating-nav {
      position: fixed;
      top: 20px;
      left: 50%;
      transform: translateX(-50%);
      width: 90%;
      max-width: 880px;
      background: rgba(250, 247, 242, 0.85);
      backdrop-filter: blur(12px);
      border-radius: 40px;
      box-shadow: 0 2px 24px rgba(30,45,47,0.08);
      padding: 10px 24px;
      z-index: 1050;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border: 1px solid rgba(214,222,219,0.4);
    }

    .logo-area {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      font-size: 22px;
      color: var(--primary-deep);
      text-decoration: none;
    }
    .logo-dot {
      width: 12px;
      height: 12px;
      background-color: var(--accent-amber);
      border-radius: 50%;
      display: inline-block;
    }
    .nav-links {
      display: flex;
      gap: 28px;
    }
    .nav-links a {
      color: var(--primary-deep);
      text-decoration: none;
      font-weight: 500;
      font-size: 15px;
      transition: color 0.2s;
      padding: 6px 0;
    }
    .nav-links a:hover {
      color: var(--accent-amber);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--primary-deep);
    }

    @media (max-width: 768px) {
      .floating-nav {
        top: auto;
        bottom: 20px;
        width: 95%;
        max-width: 400px;
        border-radius: 40px;
        padding: 8px 18px;
        justify-content: space-between;
      }
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-cta-desktop {
        display: none;
      }
    }

    /* Hero 区域 */
    .hero-section {
      min-height: 85vh;
      display: flex;
      align-items: center;
      background-color: var(--bg-warm);
      background-image: radial-gradient(circle, rgba(30,45,47,0.03) 1px, transparent 1px);
      background-size: 20px 20px;
      padding-top: 100px;
      padding-bottom: 60px;
    }

    .hero-grid {
      display: flex;
      align-items: center;
      gap: 3rem;
    }

    .hero-left {
      flex: 0 0 55%;
    }
    .hero-right {
      flex: 0 0 45%;
    }
    .hero-right img {
      max-width: 100%;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
    }

    .micro-stats {
      display: flex;
      gap: 2rem;
      margin-top: 2.5rem;
    }
    .stat-item {
      font-size: 14px;
      color: var(--text-secondary);
    }
    .stat-number {
      font-weight: 700;
      font-size: 20px;
      color: var(--accent-amber);
      display: block;
    }

    /* 通用区块 */
    .section-padding {
      padding: 100px 0;
    }

    .section-title {
      margin-bottom: 3rem;
    }

    /* 卡片系统 */
    .feature-card {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      transition: var(--transition-base);
      height: 100%;
    }
    .feature-card:hover {
      border-color: var(--accent-amber);
      transform: translateY(-4px);
      box-shadow: var(--shadow-card-hover);
    }
    .icon-circle {
      font-size: 28px;
      color: var(--accent-amber);
      margin-bottom: 1.2rem;
    }

    /* 杂志分栏 */
    .magazine-row {
      display: flex;
      align-items: center;
      gap: 3rem;
      margin-bottom: 4rem;
    }
    .magazine-img {
      flex: 0 0 48%;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }
    .magazine-img img {
      width: 100%;
      height: auto;
      display: block;
    }
    .magazine-content {
      flex: 1;
    }
    .feature-list {
      list-style: none;
      padding-left: 0;
    }
    .feature-list li {
      margin-bottom: 10px;
      display: flex;
      align-items: baseline;
      gap: 10px;
    }
    .feature-list li i {
      color: var(--accent-amber);
      font-size: 14px;
    }

    /* 案例瀑布流 */
    .masonry-grid {
      column-count: 3;
      column-gap: 24px;
    }
    .case-card {
      break-inside: avoid;
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      margin-bottom: 24px;
      transition: var(--transition-base);
    }
    .case-card:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-4px);
    }
    .case-img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
    }
    .case-body {
      padding: 22px;
    }
    .badge-tag {
      background: var(--card-bg);
      color: var(--primary-deep);
      border-radius: 20px;
      padding: 4px 14px;
      font-size: 13px;
      font-weight: 500;
    }

    /* 对比表 */
    .compare-table {
      background: var(--white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      overflow-x: auto;
    }
    .table-custom {
      width: 100%;
      border-collapse: collapse;
    }
    .table-custom th, .table-custom td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-light);
      text-align: center;
    }
    .table-custom th {
      background: var(--card-bg);
      font-weight: 600;
    }
    .highlight-col {
      background-color: rgba(232,168,56,0.08);
    }

    /* FAQ */
    .faq-item {
      border-bottom: 1px solid var(--border-light);
    }
    .faq-question {
      background: none;
      border: none;
      width: 100%;
      text-align: left;
      padding: 18px 0;
      font-weight: 600;
      font-size: 18px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--primary-deep);
    }
    .faq-answer {
      padding-bottom: 18px;
      color: var(--text-secondary);
    }

    /* Footer */
    .footer-dark {
      background: var(--primary-deep);
      color: var(--white);
      padding: 60px 0 30px;
    }
    .footer-dark a {
      color: rgba(255,255,255,0.8);
      text-decoration: none;
    }
    .footer-dark a:hover {
      color: var(--accent-amber);
    }

    @media (max-width: 992px) {
      .hero-grid {
        flex-direction: column;
      }
      .magazine-row {
        flex-direction: column;
      }
      .masonry-grid {
        column-count: 2;
      }
    }
    @media (max-width: 768px) {
      h1 { font-size: 30px; }
      h2 { font-size: 24px; }
      .masonry-grid { column-count: 1; }
      .micro-stats { flex-wrap: wrap; gap: 1rem; }
    }