/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #1E3A5F;
      --primary-dark: #0F2440;
      --accent-warm: #F4A261;
      --accent-green: #2A9D8F;
      --bg: #F8F9FA;
      --card: #FFFFFF;
      --text: #1F2937;
      --text-light: #6B7280;
      --border: #E5E7EB;
      --shadow-sm: 0 4px 20px rgba(0,0,0,0.04);
      --shadow-md: 0 12px 32px rgba(0,0,0,0.08);
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --transition: all 0.3s ease;
    }
    * {
      box-sizing: border-box;
    }
    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Inter', sans-serif;
      margin: 0;
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 导航 */
    .navbar {
      height: 72px;
      background: white;
      box-shadow: 0 2px 12px rgba(0,0,0,0.04);
      position: sticky;
      top: 0;
      z-index: 50;
      display: flex;
      align-items: center;
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .logo {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
      white-space: nowrap;
    }
    .search-box {
      position: relative;
      flex: 1;
      max-width: 40%;
      margin: 0 24px;
    }
    .search-box input {
      width: 100%;
      background: #F3F4F6;
      border: 1px solid transparent;
      border-radius: 24px;
      padding: 12px 20px 12px 48px;
      font-size: 0.95rem;
      transition: var(--transition);
      outline: none;
    }
    .search-box input:focus {
      border-color: var(--primary);
      background: white;
      box-shadow: 0 0 0 3px rgba(30,58,95,0.1);
    }
    .search-box i {
      position: absolute;
      left: 18px;
      top: 50%;
      transform: translateY(-50%);
      color: #9CA3AF;
    }
    .nav-links {
      display: flex;
      gap: 28px;
      align-items: center;
      font-weight: 500;
      color: var(--text-light);
    }
    .nav-links a {
      text-decoration: none;
      color: inherit;
      font-size: 0.95rem;
      transition: color 0.2s;
      white-space: nowrap;
    }
    .nav-links a:hover {
      color: var(--primary);
    }
    .hamburger {
      display: none;
      font-size: 1.6rem;
      cursor: pointer;
      color: var(--primary);
    }
    /* Hero */
    .hero {
      background: linear-gradient(180deg, #1E3A5F 0%, #0F2440 100%);
      padding: 80px 0;
      color: white;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: "";
      position: absolute;
      top: -40%;
      right: -10%;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(244,162,97,0.15) 0%, transparent 70%);
      border-radius: 50%;
    }
    .hero-grid {
      display: flex;
      align-items: center;
      gap: 40px;
      position: relative;
      z-index: 2;
    }
    .hero-left {
      flex: 0 0 55%;
    }
    .hero-right {
      flex: 0 0 45%;
    }
    .hero h1 {
      font-size: 3rem;
      font-weight: 700;
      letter-spacing: -0.5px;
      margin-bottom: 20px;
      line-height: 1.3;
    }
    .hero-sub {
      font-size: 1.15rem;
      opacity: 0.9;
      margin-bottom: 32px;
      max-width: 480px;
    }
    .btn-primary {
      background: linear-gradient(135deg, #F4A261 0%, #2A9D8F 100%);
      color: white;
      border: none;
      padding: 14px 32px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 1rem;
      letter-spacing: 0.5px;
      cursor: pointer;
      transition: all 0.25s;
      display: inline-block;
      text-decoration: none;
      box-shadow: 0 4px 12px rgba(244,162,97,0.3);
    }
    .btn-primary:hover {
      filter: brightness(1.1);
      box-shadow: 0 8px 20px rgba(244,162,97,0.4);
      transform: translateY(-1px);
    }
    .btn-outline {
      background: transparent;
      border: 1px solid white;
      color: white;
      padding: 12px 28px;
      border-radius: 8px;
      font-weight: 500;
      margin-left: 16px;
      transition: all 0.25s;
      display: inline-block;
      text-decoration: none;
    }
    .btn-outline:hover {
      background: rgba(255,255,255,0.15);
    }
    .hero-img {
      width: 100%;
      border-radius: 24px;
      box-shadow: 0 20px 35px rgba(0,0,0,0.3);
    }
    /* 板块通用 */
    .section {
      padding: 100px 0;
    }
    .section-title {
      font-size: 2.2rem;
      font-weight: 600;
      margin-bottom: 16px;
      color: var(--primary);
    }
    .section-desc {
      color: var(--text-light);
      max-width: 700px;
      margin-bottom: 48px;
      font-size: 1.1rem;
    }
    /* 亮点网格 */
    .highlights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .highlight-card {
      background: var(--card);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .highlight-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .badge-number {
      background: var(--accent-warm);
      color: white;
      font-size: 2.8rem;
      font-weight: 800;
      width: 90px;
      height: 90px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 24px;
      margin: 0 auto 20px;
    }
    /* 方案杂志分栏 */
    .solution-magazine {
      display: flex;
      gap: 5%;
      align-items: flex-start;
    }
    .solution-left {
      flex: 0 0 55%;
      background: white;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .solution-left:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .solution-right {
      flex: 0 0 40%;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .solution-card {
      background: white;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .solution-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .solution-img {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }
    .solution-left .solution-img {
      height: 260px;
    }
    .solution-content {
      padding: 24px;
    }
    .solution-content h3 {
      font-size: 1.4rem;
      font-weight: 600;
      margin-bottom: 10px;
    }
    /* 案例瀑布流 */
    .cases-masonry {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-card {
      background: white;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .case-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      transition: transform 0.3s;
    }
    .case-card:hover img {
      transform: scale(1.03);
    }
    .case-tag {
      background: #e6f7f5;
      color: var(--accent-green);
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 500;
      display: inline-block;
      margin-bottom: 8px;
    }
    .case-body {
      padding: 20px;
    }
    /* 对比表 */
    .compare-table {
      display: flex;
      gap: 0;
      background: white;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .compare-col {
      flex: 1;
      padding: 32px;
    }
    .compare-col.highlight {
      background: #EEF2F6;
      border-left: 4px solid var(--accent-warm);
    }
    .compare-header {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 24px;
    }
    .compare-item {
      display: flex;
      justify-content: space-between;
      padding: 12px 0;
      border-bottom: 1px solid var(--border);
    }
    /* FAQ */
    .faq-item {
      background: white;
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .faq-question {
      padding: 20px 24px;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s;
      background: #EEF2F6;
      padding: 0 24px;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 20px 24px;
    }
    .faq-item.active {
      background: #EEF2F6;
    }
    /* 联系 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: white;
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-sm);
    }
    .contact-form input, .contact-form textarea {
      width: 100%;
      padding: 14px;
      border: 1px solid #D1D5DB;
      border-radius: var(--radius-sm);
      margin-bottom: 20px;
      font-family: inherit;
      transition: 0.2s;
    }
    .contact-form input:focus, .contact-form textarea:focus {
      border-color: var(--primary);
      outline: none;
      box-shadow: 0 0 0 3px rgba(30,58,95,0.1);
    }
    .footer {
      background: var(--primary-dark);
      color: #CBD5E1;
      padding: 60px 0 30px;
    }
    .footer a {
      color: #CBD5E1;
      text-decoration: none;
      transition: color 0.2s;
    }
    .footer a:hover {
      color: var(--accent-warm);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    @media (max-width: 1024px) {
      .cases-masonry {
        grid-template-columns: repeat(2, 1fr);
      }
      .search-box {
        max-width: 250px;
      }
    }
    @media (max-width: 768px) {
      .hamburger {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 8px 20px rgba(0,0,0,0.1);
      }
      .nav-links.active {
        display: flex;
      }
      .search-box {
        max-width: 60%;
      }
      .hero-grid {
        flex-direction: column;
      }
      .hero-left, .hero-right {
        flex: 1 1 auto;
        width: 100%;
      }
      .hero h1 {
        font-size: 2rem;
      }
      .highlights-grid {
        grid-template-columns: 1fr;
      }
      .solution-magazine {
        flex-direction: column;
      }
      .solution-left, .solution-right {
        flex: 1 1 auto;
        width: 100%;
      }
      .cases-masonry {
        grid-template-columns: 1fr;
      }
      .compare-table {
        flex-direction: column;
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .section {
        padding: 60px 0;
      }
    }