/* roulang page: index */
:root {
      --primary: #1E2229;
      --accent: #D97706;
      --accent-deep: #B45309;
      --accent-warm: #E05A47;
      --secondary: #4B5563;
      --bg-main: #FAFAFA;
      --bg-alt: #F3F4F6;
      --bg-dark: #111827;
      --text-main: #111827;
      --text-muted: #6B7280;
      --text-light: #F9FAFB;
      --border: #E5E7EB;
      --border-dark: #374151;
      --radius-sm: 6px;
      --radius-md: 8px;
      --radius-lg: 14px;
      --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 6px 24px -2px rgba(0, 0, 0, 0.06);
      --shadow-hover: 0 16px 36px -4px rgba(0, 0, 0, 0.12);
      --container-max: 1200px;
    }
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, select, textarea {
      font-family: inherit;
    }
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 20px;
    }
    .section-pad {
      padding: clamp(60px, 8vw, 96px) 0;
      scroll-margin-top: 84px;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      background-color: rgba(217, 119, 6, 0.12);
      color: var(--accent);
      border: 1px solid rgba(217, 119, 6, 0.25);
      border-radius: 999px;
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.5px;
    }
    .badge-dark {
      background-color: rgba(255, 255, 255, 0.08);
      color: #FBBF24;
      border-color: rgba(251, 191, 36, 0.3);
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 26px;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
      min-height: 46px;
    }
    .btn-primary {
      background-color: var(--accent);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(217, 119, 6, 0.3);
    }
    .btn-primary:hover {
      background-color: var(--accent-deep);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(217, 119, 6, 0.4);
    }
    .btn-outline {
      background-color: transparent;
      border-color: var(--border-dark);
      color: var(--text-light);
    }
    .btn-outline:hover {
      background-color: rgba(255, 255, 255, 0.08);
      border-color: #FFFFFF;
      transform: translateY(-2px);
    }
    .btn-dark {
      background-color: var(--primary);
      color: #FFFFFF;
    }
    .btn-dark:hover {
      background-color: #0B0E14;
      transform: translateY(-2px);
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-title {
      font-size: clamp(1.75rem, 3.2vw, 2.35rem);
      font-weight: 800;
      color: var(--primary);
      line-height: 1.3;
      margin-top: 12px;
      margin-bottom: 16px;
    }
    .section-intro {
      font-size: 1.05rem;
      color: var(--secondary);
      line-height: 1.7;
    }
    /* Header & Nav */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: #FFFFFF;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }
    .top-bar {
      background: var(--primary);
      color: #D1D5DB;
      font-size: 0.82rem;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-left span, .top-bar-right span {
      margin-right: 18px;
    }
    .main-nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 14px 0;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.35rem;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .logo-mark {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--accent), var(--accent-warm));
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFF;
      font-size: 1.1rem;
      font-weight: 900;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 22px;
      list-style: none;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--secondary);
      position: relative;
      padding: 4px 0;
    }
    .nav-links a:hover {
      color: var(--accent);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--primary);
      cursor: pointer;
    }
    /* Hero Carousel Banner */
    .hero-section {
      position: relative;
      background-color: var(--bg-dark);
      background-image: linear-gradient(rgba(17, 24, 39, 0.88), rgba(17, 24, 39, 0.92)), url('/assets/images/353e263d95e1d00f.webp');
      background-size: cover;
      background-position: center;
      color: var(--text-light);
      padding: clamp(80px, 12vw, 140px) 0 clamp(60px, 9vw, 100px);
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: clamp(2.2rem, 4.4vw, 3.4rem);
      line-height: 1.2;
      font-weight: 900;
      margin: 16px 0 20px;
      letter-spacing: -0.5px;
    }
    .hero-content h1 span {
      background: linear-gradient(120deg, #FBBF24, #F87171);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.12rem;
      color: #D1D5DB;
      line-height: 1.8;
      margin-bottom: 34px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
    }
    .hero-card-panel {
      background: rgba(31, 41, 55, 0.7);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    }
    .hero-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding-bottom: 14px;
      margin-bottom: 20px;
    }
    .engine-status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
      color: #34D399;
      font-weight: 600;
    }
    .engine-dot {
      width: 8px;
      height: 8px;
      background-color: #34D399;
      border-radius: 50%;
      box-shadow: 0 0 10px #34D399;
    }
    .form-hero-box label {
      display: block;
      font-size: 0.9rem;
      color: #E5E7EB;
      margin-bottom: 8px;
      font-weight: 500;
    }
    .form-hero-box .input-wrap {
      display: flex;
      gap: 8px;
      margin-bottom: 16px;
    }
    .form-hero-box input[type="text"] {
      flex: 1;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(17, 24, 39, 0.8);
      color: #FFF;
      font-size: 0.95rem;
    }
    .form-hero-box input[type="text"]:focus {
      outline: none;
      border-color: var(--accent);
    }
    .hero-meta-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 18px;
      padding-top: 18px;
      border-top: 1px dashed rgba(255, 255, 255, 0.12);
    }
    .hero-meta-item {
      font-size: 0.85rem;
      color: #9CA3AF;
    }
    .hero-meta-item strong {
      display: block;
      color: #FFF;
      font-size: 1.05rem;
      font-weight: 700;
      margin-top: 2px;
    }
    /* Section 2: 痛点对比 */
    .pain-matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .pain-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .pain-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .pain-tag {
      font-size: 0.82rem;
      font-weight: 700;
      color: #EF4444;
      background: #FEE2E2;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      align-self: flex-start;
      margin-bottom: 16px;
    }
    .pain-title {
      font-size: 1.25rem;
      color: var(--primary);
      margin-bottom: 12px;
      font-weight: 700;
    }
    .pain-desc {
      color: var(--secondary);
      font-size: 0.95rem;
      line-height: 1.7;
      margin-bottom: 20px;
      flex: 1;
    }
    .pain-solution {
      background: var(--bg-alt);
      border-radius: var(--radius-md);
      padding: 16px;
      border-left: 4px solid var(--accent);
      font-size: 0.92rem;
      color: var(--primary);
      font-weight: 500;
    }
    /* Section 3: 全流程解决方案 */
    .solution-block {
      background-color: #FFFFFF;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .solution-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .pipeline-step {
      display: flex;
      gap: 20px;
      margin-bottom: 28px;
    }
    .step-idx {
      width: 44px;
      height: 44px;
      background: var(--primary);
      color: #FFF;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      flex-shrink: 0;
    }
    .step-body h4 {
      font-size: 1.15rem;
      color: var(--primary);
      margin-bottom: 6px;
      font-weight: 700;
    }
    .step-body p {
      font-size: 0.95rem;
      color: var(--secondary);
      line-height: 1.65;
    }
    .solution-stage-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border);
    }
    .solution-stage-visual img {
      width: 100%;
      height: 440px;
      object-fit: cover;
    }
    .visual-floating-tag {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      background: rgba(17, 24, 39, 0.85);
      backdrop-filter: blur(8px);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      color: #FFF;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .visual-floating-tag p {
      font-size: 0.88rem;
      color: #D1D5DB;
    }
    /* Section 4: 六大核心优势 */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .feature-card {
      background: #FFFFFF;
      padding: 34px 28px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(217, 119, 6, 0.4);
    }
    .feature-icon-badge {
      width: 52px;
      height: 52px;
      background: rgba(217, 119, 6, 0.1);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      color: var(--accent);
      margin-bottom: 20px;
    }
    .feature-card h3 {
      font-size: 1.25rem;
      margin-bottom: 12px;
      color: var(--primary);
      font-weight: 700;
    }
    .feature-card p {
      font-size: 0.95rem;
      color: var(--secondary);
      line-height: 1.7;
    }
    /* Section 5: 产品套件矩阵 */
    .suites-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .suite-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 38px 30px;
      border: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .suite-card.highlight {
      border: 2px solid var(--accent);
      box-shadow: 0 12px 36px rgba(217, 119, 6, 0.12);
    }
    .suite-ribbon {
      position: absolute;
      top: -12px;
      right: 28px;
      background: var(--accent);
      color: #FFF;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 999px;
      letter-spacing: 0.5px;
    }
    .suite-header h3 {
      font-size: 1.45rem;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .suite-header p {
      font-size: 0.92rem;
      color: var(--secondary);
      margin-bottom: 24px;
    }
    .suite-features {
      list-style: none;
      margin-bottom: 32px;
      flex: 1;
    }
    .suite-features li {
      font-size: 0.94rem;
      color: var(--text-main);
      padding: 10px 0;
      border-bottom: 1px dashed var(--border);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .suite-features li::before {
      content: "✔";
      color: var(--accent);
      font-weight: 900;
    }
    /* Section 6: 深色案例区 */
    .dark-showcase-section {
      background-color: var(--bg-dark);
      color: var(--text-light);
      position: relative;
    }
    .dark-showcase-section .section-title {
      color: var(--text-light);
    }
    .dark-showcase-section .section-intro {
      color: #9CA3AF;
    }
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .gallery-card {
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: #1F2937;
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .gallery-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
    }
    .gallery-media {
      height: 240px;
      overflow: hidden;
      position: relative;
    }
    .gallery-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .gallery-card:hover .gallery-media img {
      transform: scale(1.06);
    }
    .gallery-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(17, 24, 39, 0.75);
      backdrop-filter: blur(4px);
      color: #FBBF24;
      font-size: 0.78rem;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      font-weight: 600;
    }
    .gallery-detail {
      padding: 22px;
      flex: 1;
    }
    .gallery-detail h4 {
      font-size: 1.15rem;
      color: #F9FAFB;
      margin-bottom: 8px;
    }
    .gallery-detail p {
      font-size: 0.9rem;
      color: #9CA3AF;
      line-height: 1.6;
    }
    /* Section 7: 指标数据条 */
    .metrics-strip-section {
      background: #FFFFFF;
      padding: 50px 0;
      border-bottom: 1px solid var(--border);
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .metric-item {
      padding: 10px 16px;
      border-right: 1px solid var(--border);
    }
    .metric-item:last-child {
      border-right: none;
    }
    .metric-num {
      font-size: clamp(2rem, 3.5vw, 2.8rem);
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .metric-num span {
      color: var(--accent);
      font-size: 0.75em;
    }
    .metric-label {
      font-size: 0.92rem;
      color: var(--secondary);
      font-weight: 600;
    }
    /* Section 8: 标杆用户故事 */
    .narrative-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      box-shadow: var(--shadow-sm);
    }
    .narrative-content {
      padding: clamp(30px, 5vw, 56px);
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .narrative-quote {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.5;
      margin: 16px 0 20px;
    }
    .narrative-text {
      color: var(--secondary);
      font-size: 0.98rem;
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .narrative-author {
      font-size: 0.9rem;
      color: var(--primary);
      font-weight: 700;
    }
    .narrative-author span {
      display: block;
      color: var(--text-muted);
      font-weight: normal;
      font-size: 0.85rem;
    }
    .narrative-media {
      background: #1F2937;
      min-height: 380px;
    }
    .narrative-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    /* Section 9: 用户口碑评价 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .testi-card {
      background: #FFFFFF;
      padding: 30px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .stars {
      color: #F59E0B;
      font-size: 1rem;
      letter-spacing: 2px;
      margin-bottom: 14px;
    }
    .testi-body {
      font-size: 0.96rem;
      color: var(--primary);
      line-height: 1.7;
      margin-bottom: 20px;
      flex: 1;
    }
    .testi-user {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--bg-alt);
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .testi-info h5 {
      font-size: 0.95rem;
      color: var(--primary);
    }
    .testi-info p {
      font-size: 0.82rem;
      color: var(--text-muted);
    }
    /* Section 10: 适用人群矩阵 */
    .target-matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .target-card {
      background: #FFFFFF;
      padding: 28px 22px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      text-align: center;
    }
    .target-role-icon {
      width: 56px;
      height: 56px;
      background: var(--bg-alt);
      border-radius: 50%;
      margin: 0 auto 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      color: var(--accent);
    }
    .target-card h4 {
      font-size: 1.15rem;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .target-card p {
      font-size: 0.9rem;
      color: var(--secondary);
      line-height: 1.6;
    }
    /* Section 11: 行业资讯与指南 */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .insight-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .insight-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .insight-thumb {
      height: 190px;
      overflow: hidden;
    }
    .insight-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .insight-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .insight-date {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .insight-body h4 {
      font-size: 1.15rem;
      color: var(--primary);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .insight-body p {
      font-size: 0.9rem;
      color: var(--secondary);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .insight-link {
      font-size: 0.88rem;
      color: var(--accent);
      font-weight: 600;
    }
    /* Section 12: FAQ 与最终转化行动 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto 60px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
    }
    .faq-item summary {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary::after {
      content: "+";
      font-size: 1.4rem;
      font-weight: 400;
      color: var(--secondary);
      transition: transform 0.25s ease;
    }
    .faq-item[open] summary::after {
      content: "−";
      transform: rotate(180deg);
      color: var(--accent);
    }
    .faq-item-content {
      padding: 0 24px 24px;
      font-size: 0.95rem;
      color: var(--secondary);
      line-height: 1.7;
      border-top: 1px dashed var(--border);
      padding-top: 16px;
    }
    .cta-banner-card {
      background: linear-gradient(135deg, var(--primary), #2D3748);
      border-radius: var(--radius-lg);
      padding: clamp(40px, 6vw, 60px) clamp(20px, 5vw, 40px);
      text-align: center;
      color: #FFF;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .cta-banner-card h2 {
      font-size: clamp(1.8rem, 3.5vw, 2.5rem);
      margin-bottom: 16px;
      font-weight: 800;
    }
    .cta-banner-card p {
      font-size: 1.05rem;
      color: #E5E7EB;
      max-width: 640px;
      margin: 0 auto 32px;
    }
    .cta-form-inline {
      display: flex;
      max-width: 520px;
      margin: 0 auto;
      gap: 12px;
    }
    .cta-form-inline input {
      flex: 1;
      padding: 14px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.3);
      font-size: 1rem;
      background: rgba(255, 255, 255, 0.95);
      color: #111827;
    }
    .cta-form-inline input:focus {
      outline: none;
      box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.5);
    }
    /* 页脚 */
    footer {
      background: var(--bg-dark);
      color: #9CA3AF;
      font-size: 0.9rem;
      padding-top: 70px;
      border-top: 1px solid var(--border-dark);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
      gap: 40px;
      padding-bottom: 50px;
    }
    .footer-col h5 {
      color: #FFFFFF;
      font-size: 1.05rem;
      margin-bottom: 20px;
      font-weight: 700;
    }
    .footer-col p {
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: #FBBF24;
    }
    .footer-specs {
      font-size: 0.85rem;
      line-height: 1.8;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 24px 0;
      text-align: center;
      font-size: 0.85rem;
      color: #6B7280;
    }
    .footer-bottom a {
      color: #9CA3AF;
      margin: 0 8px;
    }
    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .pain-matrix-grid, .features-grid, .suites-grid, .gallery-grid, .insights-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .target-matrix-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .narrative-card {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        gap: 16px;
      }
      .nav-links.active {
        display: flex;
      }
      .pain-matrix-grid, .features-grid, .suites-grid, .gallery-grid, .insights-grid, .testimonials-grid {
        grid-template-columns: 1fr;
      }
      .solution-grid {
        grid-template-columns: 1fr;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metric-item {
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding-bottom: 16px;
      }
      .target-matrix-grid {
        grid-template-columns: 1fr;
      }
      .cta-form-inline {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }