/* roulang page: index */
:root {
      --primary: #1E3A8A;
      --primary-dark: #0F172A;
      --primary-light: #2563EB;
      --accent: #D97706;
      --accent-hover: #B45309;
      --bg-page: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-alt: #F1F5F9;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --border-focus: #3B82F6;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
      --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
      --font-stack: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --container-max: 1240px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: var(--font-stack);
      color: var(--text-body);
      background-color: var(--bg-page);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.25s ease;
    }

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

    button, input, select {
      font-family: inherit;
      outline: none;
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部顶条 */
    .top-bar {
      background-color: var(--primary-dark);
      color: #94A3B8;
      font-size: 0.8125rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .top-bar-left, .top-bar-right {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .top-bar-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .badge-pill {
      background-color: rgba(217, 119, 6, 0.2);
      color: #FBBF24;
      padding: 2px 8px;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 500;
    }

    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.02em;
    }
    .logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(30, 58, 138, 0.25);
    }
    .brand-tag {
      font-size: 0.75rem;
      font-weight: 500;
      color: var(--text-muted);
      margin-left: 4px;
      padding-left: 8px;
      border-left: 1px solid var(--border-color);
    }
    .nav-links {
      display: flex;
      list-style: none;
      align-items: center;
      gap: 28px;
    }
    .nav-links a {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      padding: 6px 0;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary);
      transition: width 0.2s ease;
    }
    .nav-links a:hover::after,
    .nav-links a.active::after {
      width: 100%;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    /* 移动端汉堡按钮 */
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 8px;
      border-radius: var(--radius-sm);
      cursor: pointer;
    }
    .mobile-menu-toggle svg {
      width: 22px;
      height: 22px;
      stroke: var(--text-main);
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      font-size: 0.9375rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      border: 1px solid transparent;
      gap: 8px;
      white-space: nowrap;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(30, 58, 138, 0.25);
    }
    .btn-primary:hover {
      background-color: #172554;
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(30, 58, 138, 0.35);
    }
    .btn-accent {
      background-color: var(--accent);
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(217, 119, 6, 0.25);
    }
    .btn-accent:hover {
      background-color: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(217, 119, 6, 0.35);
    }
    .btn-outline {
      background-color: transparent;
      border-color: var(--border-color);
      color: var(--text-body);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: rgba(30, 58, 138, 0.04);
    }
    .btn-lg {
      padding: 14px 28px;
      font-size: 1rem;
      border-radius: var(--radius-md);
    }

    /* 板块统一排版与容器 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }
    .section-dark {
      background-color: var(--primary-dark);
      color: #E2E8F0;
    }
    .section-alt {
      background-color: var(--bg-alt);
    }
    .section-header {
      margin-bottom: 48px;
      text-align: center;
    }
    .section-header.left-aligned {
      text-align: left;
    }
    .section-subtitle {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--primary-light);
      margin-bottom: 8px;
      background-color: rgba(37, 99, 235, 0.08);
      padding: 4px 12px;
      border-radius: 9999px;
    }
    .section-dark .section-subtitle {
      background-color: rgba(255, 255, 255, 0.1);
      color: #93C5FD;
    }
    .section-title {
      font-size: 2.125rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* 1. Hero 开发者/标准化交付控制台蓝图 */
    .hero-section {
      padding: 80px 0 90px;
      background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.06), transparent 50%),
                  radial-gradient(circle at bottom left, rgba(217, 119, 6, 0.04), transparent 50%),
                  #FFFFFF;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 18px;
    }
    .hero-content h1 span {
      color: var(--primary);
      position: relative;
    }
    .hero-desc {
      font-size: 1.0625rem;
      color: var(--text-body);
      margin-bottom: 32px;
      line-height: 1.8;
    }
    .hero-cta-group {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 32px;
    }
    .hero-feature-tags {
      display: flex;
      gap: 20px;
      font-size: 0.875rem;
      color: var(--text-muted);
    }
    .hero-feature-tags span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* Hero 右侧技术接口/工作流模拟看板 */
    .console-mockup {
      background: #0B132B;
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
      overflow: hidden;
    }
    .console-header {
      background: #0F172A;
      padding: 12px 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .console-dots {
      display: flex;
      gap: 6px;
    }
    .console-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .dot-red { background-color: #EF4444; }
    .dot-yellow { background-color: #F59E0B; }
    .dot-green { background-color: #10B981; }
    .console-status {
      font-size: 0.75rem;
      color: #64748B;
      font-family: monospace;
    }
    .console-body {
      padding: 24px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.875rem;
      line-height: 1.7;
      color: #E2E8F0;
    }
    .code-comment { color: #64748B; }
    .code-key { color: #38BDF8; }
    .code-string { color: #34D399; }
    .code-num { color: #FBBF24; }
    .console-footer-bar {
      background: rgba(15, 23, 42, 0.8);
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 12px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8125rem;
    }
    .status-active {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #34D399;
      font-weight: 600;
    }
    .status-pulse {
      width: 8px;
      height: 8px;
      background: #34D399;
      border-radius: 50%;
      box-shadow: 0 0 8px #34D399;
    }

    /* 2. 关键指标看板 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-card {
      background-color: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      text-align: left;
      transition: all 0.3s ease;
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-light);
    }
    .metric-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 24px;
      right: 24px;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      border-radius: 0 0 3px 3px;
      opacity: 0;
      transition: opacity 0.3s;
    }
    .metric-card:hover::before {
      opacity: 1;
    }
    .metric-num {
      font-size: 2.75rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 8px;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .metric-unit {
      font-size: 1.125rem;
      font-weight: 600;
      color: var(--accent);
    }
    .metric-label {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .metric-sub {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 3. 常见问题陈述与痛点剖析 */
    .issues-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .issue-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      position: relative;
      border-top: 4px solid #EF4444;
      box-shadow: var(--shadow-sm);
    }
    .issue-badge {
      font-size: 0.75rem;
      background: #FEE2E2;
      color: #B91C1C;
      padding: 2px 10px;
      border-radius: 9999px;
      font-weight: 600;
      display: inline-block;
      margin-bottom: 14px;
    }
    .issue-title {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .issue-desc {
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* 4. 财税服务矩阵 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .service-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }
    .service-card:hover {
      box-shadow: var(--shadow-xl);
      transform: translateY(-4px);
      border-color: rgba(30, 58, 138, 0.3);
    }
    .service-icon-box {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-md);
      background: rgba(30, 58, 138, 0.06);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      margin-bottom: 20px;
    }
    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .service-card p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .service-checklist {
      list-style: none;
      border-top: 1px solid var(--border-color);
      padding-top: 18px;
      margin-bottom: 24px;
    }
    .service-checklist li {
      font-size: 0.875rem;
      color: var(--text-body);
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
    }
    .service-checklist li svg {
      width: 16px;
      height: 16px;
      color: #10B981;
      flex-shrink: 0;
    }

    /* 5. 数字化代理记账流程操作演示 */
    .steps-container {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      text-align: center;
    }
    .step-number {
      width: 36px;
      height: 36px;
      background-color: var(--primary);
      color: #FFFFFF;
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-size: 1rem;
    }
    .step-title {
      font-size: 1.0625rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 6. 传统兼职会计 VS 规范代理记账对比 */
    .comparison-table-wrapper {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .comp-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.9375rem;
    }
    .comp-table th, .comp-table td {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
    }
    .comp-table th {
      background: #F8FAFC;
      font-weight: 700;
      color: var(--text-main);
    }
    .comp-table tr:last-child td {
      border-bottom: none;
    }
    .comp-table .col-dim {
      font-weight: 600;
      color: var(--text-main);
      width: 25%;
    }
    .comp-table .col-bad {
      color: #DC2626;
      width: 37.5%;
      background: rgba(254, 242, 242, 0.4);
    }
    .comp-table .col-good {
      color: var(--primary);
      font-weight: 600;
      width: 37.5%;
      background: rgba(239, 246, 255, 0.6);
    }

    /* 7. 规范资质与审核背书 */
    .compliance-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .compliance-content h3 {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .compliance-content p {
      font-size: 1rem;
      color: var(--text-body);
      margin-bottom: 24px;
      line-height: 1.8;
    }
    .compliance-list {
      list-style: none;
      margin-bottom: 28px;
    }
    .compliance-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 16px;
    }
    .compliance-icon {
      width: 22px;
      height: 22px;
      background: rgba(16, 185, 129, 0.15);
      color: #10B981;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .compliance-img-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-xl);
      border: 1px solid var(--border-color);
      position: relative;
    }
    .compliance-img-box img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }    /* 8. 热门服务组合方案 */
    .packages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      align-items: stretch;
    }
    .package-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: all 0.3s ease;
    }
    .package-card.highlight {
      border: 2px solid var(--primary);
      box-shadow: 0 12px 30px rgba(30, 58, 138, 0.12);
      transform: scale(1.03);
      z-index: 2;
    }
    .package-badge-popular {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, var(--accent), #F59E0B);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 9999px;
      box-shadow: 0 4px 8px rgba(217, 119, 6, 0.3);
    }
    .package-name {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .package-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      min-height: 42px;
    }
    .package-pricing {
      display: flex;
      align-items: baseline;
      gap: 4px;
      margin-bottom: 24px;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .price-currency {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
    }
    .price-amount {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
    }
    .price-period {
      font-size: 0.875rem;
      color: var(--text-muted);
    }
    .package-features {
      list-style: none;
      margin-bottom: 30px;
      flex-grow: 1;
    }
    .package-features li {
      font-size: 0.9375rem;
      color: var(--text-body);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .package-features li svg {
      width: 16px;
      height: 16px;
      color: #10B981;
      flex-shrink: 0;
    }

    /* 9. 深色沉浸式案例 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }
    .case-card {
      background: #1E293B;
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-lg);
      padding: 32px;
      transition: transform 0.3s;
    }
    .case-card:hover {
      transform: translateY(-4px);
    }
    .case-tag {
      font-size: 0.75rem;
      color: #38BDF8;
      background: rgba(56, 189, 248, 0.1);
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 16px;
    }
    .case-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .case-desc {
      font-size: 0.9375rem;
      color: #94A3B8;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .case-results {
      display: flex;
      gap: 24px;
      padding-top: 18px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .result-item-num {
      font-size: 1.25rem;
      font-weight: 700;
      color: #FBBF24;
    }
    .result-item-lbl {
      font-size: 0.75rem;
      color: #64748B;
    }

    /* 10. 发展里程碑与服务护航节点 */
    .timeline-container {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
    }
    .timeline-container::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 2px;
      background: var(--border-color);
      transform: translateX(-50%);
    }
    .timeline-item {
      display: flex;
      margin-bottom: 40px;
      position: relative;
    }
    .timeline-item:nth-child(odd) {
      flex-direction: row-reverse;
    }
    .timeline-dot {
      width: 20px;
      height: 20px;
      background: var(--primary);
      border: 4px solid #FFFFFF;
      box-shadow: 0 0 0 2px var(--primary);
      border-radius: 50%;
      position: absolute;
      top: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 2;
    }
    .timeline-box {
      width: 44%;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .timeline-phase {
      font-size: 0.8125rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 6px;
    }
    .timeline-title {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .timeline-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 11. 服务保障与风险先行赔付体系 */
    .guarantees-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .guarantee-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      transition: all 0.3s;
    }
    .guarantee-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }
    .guarantee-icon {
      width: 56px;
      height: 56px;
      margin: 0 auto 16px;
      background: rgba(30, 58, 138, 0.08);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .guarantee-title {
      font-size: 1.0625rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .guarantee-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 12. 客户口碑与真实企业反馈 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testimonial-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }
    .testi-stars {
      color: #F59E0B;
      margin-bottom: 14px;
      font-size: 1rem;
    }
    .testi-quote {
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: normal;
    }
    .testi-user {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 16px;
      border-top: 1px solid var(--border-color);
    }
    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--bg-alt);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .testi-meta-name {
      font-size: 0.9375rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .testi-meta-comp {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 13. 财税动态与合规洞察 */
    .news-wrapper {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 32px;
      align-items: center;
    }
    .news-featured {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .news-featured img {
      width: 100%;
      height: 240px;
      object-fit: cover;
    }
    .news-featured-content {
      padding: 24px;
    }
    .news-date {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-featured-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-featured-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .news-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .news-list-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px 20px;
      transition: all 0.25s;
    }
    .news-list-item:hover {
      border-color: var(--primary-light);
      box-shadow: var(--shadow-sm);
    }
    .news-list-item h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .news-list-item p {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 14. 常见问题手风琴 FAQ */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color 0.2s;
    }
    .faq-item[open] {
      border-color: var(--primary-light);
    }
    .faq-summary {
      padding: 20px 24px;
      font-size: 1.0625rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
      user-select: none;
    }
    .faq-summary::-webkit-details-marker {
      display: none;
    }
    .faq-icon-arrow {
      width: 20px;
      height: 20px;
      transition: transform 0.25s;
      color: var(--text-muted);
      flex-shrink: 0;
    }
    .faq-item[open] .faq-icon-arrow {
      transform: rotate(180deg);
      color: var(--primary);
    }
    .faq-content {
      padding: 0 24px 22px;
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.75;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
    }

    /* 15. 代理记账费用测算计算器 */
    .calculator-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      max-width: 880px;
      margin: 0 auto;
      box-shadow: var(--shadow-md);
    }
    .calc-form-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 28px;
    }
    .calc-group label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .calc-select {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.9375rem;
      background: #FFFFFF;
      color: var(--text-body);
    }
    .calc-select:focus {
      border-color: var(--border-focus);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }
    .calc-result-box {
      background: #F8FAFC;
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border: 1px solid var(--border-color);
    }
    .calc-result-info {
      text-align: left;
    }
    .calc-result-title {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 4px;
    }
    .calc-result-val {
      font-size: 2rem;
      font-weight: 800;
      color: var(--accent);
    }

    /* 16. 底部转化收口 */
    .final-cta-card {
      background: linear-gradient(135deg, #1E3A8A 0%, #0F172A 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #FFFFFF;
      position: relative;
      overflow: hidden;
    }
    .final-cta-card::after {
      content: '';
      position: absolute;
      right: -60px;
      bottom: -60px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(217, 119, 6, 0.15);
      filter: blur(50px);
    }
    .final-cta-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 40px;
      align-items: center;
      position: relative;
      z-index: 1;
    }
    .final-cta-content h3 {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 14px;
    }
    .final-cta-content p {
      font-size: 1rem;
      color: #CBD5E1;
      line-height: 1.7;
    }
    .final-cta-form {
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(8px);
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .final-form-group {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .final-form-input {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.95);
      font-size: 0.9375rem;
      color: #0F172A;
    }

    /* 页脚 */
    .site-footer {
      background-color: #0B132B;
      color: #94A3B8;
      font-size: 0.875rem;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand h4 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 14px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 16px;
      font-size: 0.875rem;
    }
    .footer-col h5 {
      font-size: 0.9375rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-contact-item {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8125rem;
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid, .issues-grid, .packages-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .package-card.highlight {
        transform: none;
      }
      .steps-container {
        grid-template-columns: repeat(3, 1fr);
      }
      .guarantees-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .news-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-links {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .hero-content h1 {
        font-size: 2.125rem;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .metrics-grid, .services-grid, .issues-grid, .packages-grid, .testimonials-grid, .guarantees-grid, .cases-grid {
        grid-template-columns: 1fr;
      }
      .compliance-grid {
        grid-template-columns: 1fr;
      }
      .steps-container {
        grid-template-columns: 1fr;
      }
      .calc-form-grid {
        grid-template-columns: 1fr;
      }
      .calc-result-box {
        flex-direction: column;
        gap: 16px;
        text-align: center;
      }
      .final-cta-grid {
        grid-template-columns: 1fr;
      }
      .timeline-container::before {
        left: 20px;
      }
      .timeline-item {
        flex-direction: row !important;
        padding-left: 48px;
      }
      .timeline-dot {
        left: 20px;
      }
      .timeline-box {
        width: 100%;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    /* 移动端菜单抽屉 */
    .mobile-drawer {
      display: none;
      background: #FFFFFF;
      border-bottom: 1px solid var(--border-color);
      padding: 16px 20px;
    }
    .mobile-drawer.active {
      display: block;
    }
    .mobile-drawer ul {
      list-style: none;
    }
    .mobile-drawer li {
      margin-bottom: 12px;
    }
    .mobile-drawer a {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-main);
      display: block;
      padding: 8px 0;
    }