/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');

    :root {
      --primary: #F04E23;
      --primary-dark: #D43E1A;
      --primary-light: rgba(240, 78, 35, 0.08);
      --secondary-dark: #1E1E24;
      --secondary-light: #F7F5F0;
      --accent-gold: #C9A44B;
      --gray-light: #EAE8E3;
      --text-main: #1E1E24;
      --text-soft: #5A5A66;
      --text-on-dark: #F7F5F0;
      --border-soft: #E2E0DA;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-card: 0 4px 20px rgba(0,0,0,0.04);
      --shadow-hover: 0 12px 28px rgba(0,0,0,0.08);
      --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
      --transition: 0.25s ease;
    }

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

    body {
      font-family: var(--font-sans);
      background-color: var(--secondary-light);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    button, .btn {
      cursor: pointer;
      font-family: inherit;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: none;
      transition: var(--transition);
      font-weight: 600;
      border-radius: var(--radius-sm);
      white-space: nowrap;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
    }

    /* 导航 */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 72px;
      background: rgba(247, 245, 240, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-soft);
      z-index: 1000;
      display: flex;
      align-items: center;
      transition: transform 0.3s ease;
    }

    .header-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }

    .logo {
      font-weight: 800;
      font-size: 1.4rem;
      color: var(--secondary-dark);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .logo i {
      color: var(--primary);
      font-size: 1.6rem;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }

    .nav-menu a {
      font-weight: 500;
      color: var(--text-soft);
      position: relative;
      padding: 8px 0;
      font-size: 0.95rem;
      transition: color var(--transition);
    }

    .nav-menu a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: width var(--transition);
      border-radius: 2px;
    }

    .nav-menu a:hover, .nav-menu a.active {
      color: var(--primary);
    }

    .nav-menu a:hover::after, .nav-menu a.active::after {
      width: 100%;
    }

    .nav-cta-btn {
      background: var(--primary);
      color: white;
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(240, 78, 35, 0.25);
    }

    .nav-cta-btn:hover {
      background: var(--primary-dark);
      box-shadow: 0 8px 20px rgba(240, 78, 35, 0.35);
      transform: translateY(-1px);
    }

    .hamburger {
      display: none;
      background: none;
      border: none;
      font-size: 1.8rem;
      color: var(--secondary-dark);
      cursor: pointer;
    }

    .mobile-menu {
      position: fixed;
      top: 0;
      right: -100%;
      width: 280px;
      height: 100vh;
      background: var(--secondary-dark);
      z-index: 2000;
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 20px;
      transition: right 0.3s ease;
      box-shadow: -8px 0 30px rgba(0,0,0,0.15);
    }

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

    .mobile-menu a {
      color: var(--text-on-dark);
      font-size: 1.1rem;
      font-weight: 500;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .mobile-close {
      align-self: flex-end;
      background: none;
      border: none;
      color: white;
      font-size: 2rem;
      cursor: pointer;
    }

    /* Hero */
    .hero-section {
      margin-top: 72px;
      min-height: 85vh;
      display: flex;
      align-items: center;
      background: linear-gradient(90deg, rgba(30,30,36,0.85) 0%, rgba(30,30,36,0.4) 70%, rgba(30,30,36,0.1) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color: var(--text-on-dark);
      position: relative;
    }

    .hero-content {
      display: flex;
      flex-direction: column;
      gap: 24px;
      max-width: 700px;
      padding: 40px 0;
    }

    .hero-badge {
      background: rgba(201, 164, 75, 0.18);
      border: 1px solid var(--accent-gold);
      color: var(--accent-gold);
      padding: 6px 16px;
      border-radius: 30px;
      font-weight: 600;
      font-size: 0.9rem;
      width: fit-content;
      backdrop-filter: blur(4px);
    }

    .hero-title {
      font-size: clamp(2.4rem, 5vw, 3.8rem);
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -1px;
    }

    .hero-sub {
      font-size: 1.2rem;
      color: rgba(247, 245, 240, 0.85);
      max-width: 550px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-top: 12px;
    }

    .btn-primary {
      background: var(--primary);
      color: white;
      padding: 14px 32px;
      font-size: 1rem;
      border-radius: var(--radius-sm);
      font-weight: 600;
      box-shadow: 0 8px 22px rgba(240, 78, 35, 0.3);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(240, 78, 35, 0.4);
    }

    .btn-outline {
      background: transparent;
      border: 2px solid white;
      color: white;
      padding: 14px 32px;
      font-size: 1rem;
      border-radius: var(--radius-sm);
      font-weight: 600;
    }

    .btn-outline:hover {
      background: rgba(255,255,255,0.15);
      border-color: white;
    }

    /* Sections */
    .section {
      padding: 80px 0;
    }

    .section-label {
      color: var(--primary);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      font-size: 0.85rem;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--secondary-dark);
    }

    .pain-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 28px;
      margin-top: 36px;
    }

    .pain-card {
      background: white;
      padding: 28px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      border-left: 4px solid var(--primary);
    }

    .pain-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-top: 40px;
    }

    .service-card {
      background: white;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }

    .service-img {
      height: 200px;
      object-fit: cover;
    }

    .service-body {
      padding: 24px;
    }

    .stats-row {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-around;
      gap: 30px;
      margin-top: 36px;
    }

    .stat-item {
      text-align: center;
    }

    .stat-number {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--primary);
    }

    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(2,1fr);
      gap: 28px;
      margin-top: 36px;
    }

    .testimonial-card {
      background: rgba(255,255,255,0.05);
      backdrop-filter: blur(4px);
      padding: 28px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255,255,255,0.15);
    }

    .faq-list {
      max-width: 800px;
      margin: 40px auto 0;
    }

    .faq-item {
      background: white;
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .faq-question {
      width: 100%;
      background: none;
      padding: 20px 24px;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 1.05rem;
      color: var(--secondary-dark);
    }

    .faq-answer {
      padding: 0 24px 20px;
      color: var(--text-soft);
    }

    .cta-section {
      background: var(--primary);
      color: white;
      text-align: center;
      padding: 80px 0;
      border-radius: 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      padding: 60px 0 40px;
    }

    @media (max-width: 1024px) {
      .service-grid { grid-template-columns: repeat(2,1fr); }
      .testimonial-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .nav-menu { display: none; }
      .hamburger { display: block; }
      .service-grid, .pain-grid { grid-template-columns: 1fr; }
      .hero-section { text-align: center; }
      .hero-content { align-items: center; }
      .footer-grid { grid-template-columns: 1fr; }
    }