/* roulang page: index */
:root {
      --primary: #0F6B3E;
      --primary-light: rgba(15, 107, 62, 0.08);
      --secondary: #F5A623;
      --dark: #1A1A2E;
      --body-bg: #F9FAFB;
      --card-white: #FFFFFF;
      --text-body: #4A4A5A;
      --text-muted: #8C8C9A;
      --border-light: #E0E0E0;
      --shadow-sm: 0 4px 12px rgba(0,0,0,0.06);
      --shadow-md: 0 12px 28px rgba(0,0,0,0.10);
      --radius-card: 16px;
      --radius-btn: 30px;
      --radius-input: 8px;
      --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
      --transition: 0.25s ease;
    }

    * {
      box-sizing: border-box;
    }

    body {
      font-family: var(--font-sans);
      background-color: var(--body-bg);
      color: var(--text-body);
      line-height: 1.7;
      margin: 0;
      padding: 0;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3, h4 {
      color: var(--dark);
      font-weight: 700;
      line-height: 1.3;
      margin-top: 0;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: var(--transition);
    }
    a:hover {
      color: #0a5a32;
      text-decoration: underline;
    }

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

    button, .button {
      cursor: pointer;
      font-family: inherit;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 导航栏 - 搜索主导 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid rgba(0,0,0,0.05);
      height: 72px;
      display: flex;
      align-items: center;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .logo-area {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      background: conic-gradient(from 90deg at 50% 50%, var(--primary) 0deg, var(--secondary) 90deg, var(--primary) 180deg, var(--secondary) 270deg, var(--primary) 360deg);
      border-radius: 50%;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .logo-icon::after {
      content: "";
      width: 10px;
      height: 10px;
      background: white;
      border-radius: 50%;
      box-shadow: 0 0 0 2px var(--dark);
    }
    .logo-text {
      font-weight: 700;
      font-size: 1.4rem;
      color: var(--dark);
      letter-spacing: 1px;
      white-space: nowrap;
    }
    .search-wrapper {
      flex: 1;
      max-width: 480px;
      margin: 0 24px;
      position: relative;
    }
    .search-input {
      width: 100%;
      height: 44px;
      background: #F3F4F6;
      border: 1px solid transparent;
      border-radius: 30px;
      padding: 0 48px 0 20px;
      font-size: 0.95rem;
      color: var(--dark);
      outline: none;
      transition: var(--transition);
    }
    .search-input::placeholder {
      color: #9CA3AF;
    }
    .search-input:focus {
      border-color: var(--primary);
      background: white;
      box-shadow: 0 0 0 3px rgba(15,107,62,0.15);
    }
    .search-icon {
      position: absolute;
      right: 16px;
      top: 50%;
      transform: translateY(-50%);
      color: #6B7280;
      font-size: 1.1rem;
      pointer-events: none;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
      font-weight: 500;
      font-size: 0.9rem;
      white-space: nowrap;
    }
    .nav-links a {
      color: var(--text-body);
      padding: 6px 0;
      border-bottom: 2px solid transparent;
      transition: var(--transition);
    }
    .nav-links a:hover {
      color: var(--primary);
      border-bottom-color: var(--primary);
      text-decoration: none;
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.8rem;
      color: var(--dark);
    }

    /* Hero */
    #hero {
      height: 100vh;
      min-height: 650px;
      background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      position: relative;
      display: flex;
      align-items: center;
      color: white;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(15,107,62,0.85) 0%, rgba(26,26,46,0.75) 100%);
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 700px;
    }
    .hero-content h1 {
      font-size: clamp(2.6rem, 5vw, 3.5rem);
      color: white;
      margin-bottom: 1.2rem;
      line-height: 1.2;
    }
    .highlight {
      color: var(--secondary);
      text-decoration: underline;
      text-decoration-thickness: 3px;
      text-underline-offset: 8px;
    }
    .hero-sub {
      font-size: 1.25rem;
      color: rgba(255,255,255,0.85);
      margin-bottom: 2rem;
    }
    .btn-group {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-primary {
      background: var(--primary);
      color: white;
      border: none;
      padding: 14px 32px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-primary:hover {
      background: #0a5a32;
      transform: scale(1.02);
      color: white;
      text-decoration: none;
    }
    .btn-outline {
      border: 2px solid white;
      background: transparent;
      color: white;
      padding: 14px 32px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: var(--transition);
    }
    .btn-outline:hover {
      background: rgba(255,255,255,0.1);
      color: white;
      text-decoration: none;
    }
    .live-badge {
      position: absolute;
      right: 40px;
      bottom: 40px;
      background: rgba(0,0,0,0.6);
      backdrop-filter: blur(6px);
      padding: 12px 24px;
      border-radius: 40px;
      color: white;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 10px;
      z-index: 5;
    }
    .live-dot {
      width: 10px;
      height: 10px;
      background: #EF4444;
      border-radius: 50%;
      animation: pulse 1.5s infinite;
    }
    @keyframes pulse { 0% { opacity:1; } 50% { opacity:0.5; } 100% { opacity:1; } }

    /* 板块通用 */
    .section {
      padding: 90px 0;
    }
    .section-title {
      font-size: 2.2rem;
      margin-bottom: 1rem;
    }
    .section-lead {
      color: var(--text-muted);
      max-width: 600px;
      margin-bottom: 3rem;
      font-size: 1.1rem;
    }

    /* 指标看板 */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4,1fr);
      gap: 28px;
      margin-top: 2rem;
    }
    .stat-card {
      background: var(--card-white);
      border-radius: var(--radius-card);
      padding: 28px 20px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
    }
    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .stat-icon {
      font-size: 2rem;
      color: var(--secondary);
      margin-bottom: 12px;
    }
    .stat-number {
      font-size: 2.6rem;
      font-weight: 800;
      color: var(--dark);
    }
    .stat-label {
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 服务矩阵 2x3 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3,1fr);
      gap: 28px;
    }
    .service-card {
      background: white;
      border-radius: var(--radius-card);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
    }
    .service-icon {
      font-size: 2.4rem;
      color: var(--primary);
      margin-bottom: 20px;
    }
    .service-card h3 {
      font-size: 1.4rem;
    }
    .service-desc {
      color: var(--text-muted);
      margin: 12px 0 18px;
    }
    .arrow-link {
      margin-top: auto;
      font-weight: 600;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* 对比区 */
    .comparison-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      margin-top: 2rem;
    }
    .compare-card {
      background: white;
      border-radius: var(--radius-card);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      border-left: 5px solid;
    }
    .traditional {
      border-left-color: #9CA3AF;
      background: #F3F4F6;
    }
    .modern {
      border-left-color: var(--primary);
      background: #F0FDF4;
    }
    .compare-card h3 {
      font-size: 1.7rem;
    }
    .compare-list {
      list-style: none;
      padding: 0;
      margin: 24px 0;
    }
    .compare-list li {
      margin-bottom: 12px;
      display: flex;
      align-items: baseline;
      gap: 8px;
    }
    .progress-bar {
      background: #E5E7EB;
      height: 8px;
      border-radius: 10px;
      margin: 20px 0;
      width: 100%;
    }
    .progress-fill {
      background: var(--primary);
      height: 8px;
      border-radius: 10px;
      width: 87%;
    }

    /* FAQ */
    .faq-container {
      background: white;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      padding: 24px;
    }
    .accordion-item {
      border-bottom: 1px solid #E5E7EB;
    }
    .accordion-question {
      width: 100%;
      background: white;
      border: none;
      padding: 18px 20px;
      font-weight: 700;
      font-size: 1.05rem;
      text-align: left;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--dark);
      transition: var(--transition);
    }
    .accordion-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background: #F9FAFB;
      padding: 0 20px;
    }
    .accordion-answer.open {
      max-height: 200px;
      padding: 16px 20px;
    }
    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary);
    }

    /* 表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      background: rgba(15,107,62,0.03);
      border-radius: var(--radius-card);
      padding: 48px;
    }
    .input-field {
      width: 100%;
      height: 48px;
      border: 1px solid #E0E0E0;
      border-radius: var(--radius-input);
      padding: 0 16px;
      margin-bottom: 20px;
      transition: var(--transition);
    }
    .input-field:focus {
      border-color: var(--primary);
      outline: none;
      box-shadow: 0 0 0 3px rgba(15,107,62,0.2);
    }
    textarea.input-field {
      height: 100px;
      padding-top: 12px;
    }
    .btn-submit {
      background: var(--secondary);
      color: white;
      border: none;
      border-radius: var(--radius-btn);
      padding: 14px 32px;
      font-weight: 700;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-submit:hover {
      background: #e5940f;
    }

    /* 页脚 */
    .site-footer {
      background: var(--dark);
      color: #CCCCD6;
      padding: 60px 0 20px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
    }
    .footer-col h4 {
      color: white;
      margin-bottom: 18px;
    }
    .footer-col a {
      color: #CCCCD6;
      display: block;
      margin-bottom: 10px;
    }
    .copyright {
      border-top: 1px solid #2E2E42;
      margin-top: 40px;
      padding-top: 20px;
      text-align: center;
      font-size: 0.9rem;
    }

    @media (max-width: 1024px) {
      .stats-grid { grid-template-columns: repeat(2,1fr); }
      .services-grid { grid-template-columns: repeat(2,1fr); }
      .comparison-row { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .header-inner { flex-wrap: wrap; }
      .search-wrapper { order: 3; margin: 12px 0 0; max-width: 100%; width: 100%; }
      .nav-links { display: none; }
      .mobile-toggle { display: block; }
      .site-header { height: auto; padding: 12px 0; }
      .hero-content h1 { font-size: 2.4rem; }
      .live-badge { right: 16px; bottom: 20px; font-size: 0.9rem; }
    }
    @media (max-width: 640px) {
      .stats-grid { grid-template-columns: 1fr; }
      .services-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
    }