:root {
      --primary-yellow: #FFC700;
      --yellow-light: #FFF8D6;
      --yellow-hover: #E5B300;
      --accent-black: #111827;
      --dark-gray: #374151;
      --light-gray: #6B7280;
      --bg-warm: #FFFDF5;
      --bg-card: #FFFFFF;
      --border-color: #E5E7EB;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(255, 199, 0, 0.15), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 20px 30px -10px rgba(17, 24, 39, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      outline: none;
    }

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

    body {
      font-family: var(--font-main);
      background-color: var(--bg-warm);
      color: var(--dark-gray);
      line-height: 1.65;
      overflow-x: hidden;
    }

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

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 2px solid var(--primary-yellow);
      box-shadow: var(--shadow-sm);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-logo-wrap img {
      height: 42px;
      width: auto;
      object-fit: contain;
    }

    .brand-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--accent-black);
      letter-spacing: -0.5px;
    }

    .brand-title span {
      background: var(--primary-yellow);
      padding: 2px 6px;
      border-radius: 4px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-item {
      position: relative;
    }

    .nav-link {
      display: inline-block;
      padding: 10px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--accent-black);
      border-radius: var(--radius-sm);
      transition: background 0.2s, color 0.2s;
    }

    .nav-link:hover {
      background: var(--yellow-light);
      color: var(--accent-black);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: 50px;
      cursor: pointer;
      border: 2px solid transparent;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      text-align: center;
    }

    .btn-primary {
      background-color: var(--primary-yellow);
      color: var(--accent-black);
      box-shadow: 0 4px 14px rgba(255, 199, 0, 0.35);
    }

    .btn-primary:hover {
      background-color: var(--yellow-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(255, 199, 0, 0.45);
    }

    .btn-dark {
      background-color: var(--accent-black);
      color: #FFFFFF;
    }

    .btn-dark:hover {
      background-color: #000000;
      transform: translateY(-2px);
    }

    .btn-outline {
      border-color: var(--accent-black);
      color: var(--accent-black);
      background: transparent;
    }

    .btn-outline:hover {
      background: var(--accent-black);
      color: #FFFFFF;
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--accent-black);
    }

    /* 首屏 Hero (严禁出现图片) */
    .hero-section {
      padding: 70px 0 60px;
      background: linear-gradient(180deg, #FFFDF2 0%, #FFFFFF 100%);
      position: relative;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: var(--yellow-light);
      border: 1px solid var(--primary-yellow);
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--accent-black);
      margin-bottom: 24px;
    }

    .hero-badge::before {
      content: "★";
      color: #D97706;
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--accent-black);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title mark {
      background: linear-gradient(120deg, var(--primary-yellow) 0%, #FFE885 100%);
      padding: 0 8px;
      border-radius: 6px;
      color: var(--accent-black);
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--dark-gray);
      max-width: 820px;
      margin-bottom: 36px;
      line-height: 1.8;
    }

    .hero-cta-group {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      justify-content: center;
      margin-bottom: 48px;
    }

    .hero-cta-group .btn {
      padding: 14px 34px;
      font-size: 1.05rem;
    }

    .hero-stats-panel {
      width: 100%;
      background: #FFFFFF;
      border: 2px solid var(--primary-yellow);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

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

    .stat-item:not(:last-child)::after {
      content: "";
      position: absolute;
      right: 0;
      top: 20%;
      height: 60%;
      width: 1px;
      background: var(--border-color);
    }

    .stat-number {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--accent-black);
      margin-bottom: 4px;
    }

    .stat-number small {
      font-size: 1rem;
      color: #D97706;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--light-gray);
      font-weight: 600;
    }

    /* 区域统一标题 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }

    .section-block.bg-alt {
      background-color: #FCFBF7;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }

    .section-subtitle {
      font-size: 0.85rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: #B45309;
      background: var(--yellow-light);
      display: inline-block;
      padding: 4px 12px;
      border-radius: 4px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--light-gray);
      line-height: 1.7;
    }

    /* 模块：关于我们与平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-content h3 {
      font-size: 1.6rem;
      color: var(--accent-black);
      margin-bottom: 18px;
    }

    .about-content p {
      font-size: 0.98rem;
      color: var(--dark-gray);
      margin-bottom: 16px;
    }

    .about-feature-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin: 24px 0 30px;
    }

    .about-feature-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--accent-black);
    }

    .feature-icon-badge {
      width: 24px;
      height: 24px;
      background: var(--primary-yellow);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      color: var(--accent-black);
      font-weight: 900;
    }

    .about-media-box {
      background: #FFFFFF;
      border: 2px solid var(--accent-black);
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: 8px 8px 0px var(--primary-yellow);
    }

    .about-media-box img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-md);
      display: block;
      object-fit: contain;
    }

    /* 模型支持网格 */
    .models-chip-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 30px;
    }

    .model-chip {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--accent-black);
      box-shadow: var(--shadow-sm);
      transition: all 0.2s ease;
    }

    .model-chip:hover {
      border-color: var(--primary-yellow);
      background: var(--yellow-light);
      transform: translateY(-2px);
    }

    /* 服务与制作场景卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 24px;
    }

    .service-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .service-card:hover {
      border-color: var(--primary-yellow);
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }

    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 24px;
      right: 24px;
      height: 3px;
      background: transparent;
      transition: background 0.3s ease;
    }

    .service-card:hover::before {
      background: var(--primary-yellow);
    }

    .service-header {
      margin-bottom: 14px;
    }

    .service-tag {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      color: #92400E;
      background: var(--yellow-light);
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 8px;
    }

    .service-title {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--accent-black);
    }

    .service-body {
      font-size: 0.9rem;
      color: var(--dark-gray);
      margin-bottom: 16px;
      line-height: 1.6;
    }

    .service-action {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--accent-black);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .service-action:hover {
      color: #B45309;
    }

    /* 流程步骤 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      position: relative;
    }

    .step-num {
      width: 44px;
      height: 44px;
      background: var(--primary-yellow);
      color: var(--accent-black);
      font-size: 1.3rem;
      font-weight: 900;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      box-shadow: 0 4px 10px rgba(255, 199, 0, 0.4);
    }

    .step-title {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 8px;
    }

    .step-text {
      font-size: 0.88rem;
      color: var(--light-gray);
    }

    /* 对比评测板块 */
    .rating-highlight-box {
      background: linear-gradient(135deg, #111827 0%, #1F2937 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 40px;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--shadow-lg);
    }

    .rating-info h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: #FFFFFF;
    }

    .rating-info p {
      color: #9CA3AF;
      font-size: 1rem;
    }

    .rating-score-box {
      display: flex;
      align-items: center;
      gap: 20px;
      background: rgba(255, 255, 255, 0.08);
      padding: 16px 30px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 199, 0, 0.4);
    }

    .score-stars {
      color: var(--primary-yellow);
      font-size: 1.6rem;
      letter-spacing: 2px;
    }

    .score-digits {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--primary-yellow);
      line-height: 1;
    }

    .score-digits sub {
      font-size: 1.1rem;
      color: #E5E7EB;
      font-weight: 500;
    }

    .comparison-table-wrapper {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .comparison-table th, 
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }

    .comparison-table th {
      background: #F9FAFB;
      font-weight: 800;
      color: var(--accent-black);
    }

    .comparison-table th.highlight-col,
    .comparison-table td.highlight-col {
      background: #FFFDF0;
      font-weight: 700;
      color: var(--accent-black);
      border-left: 2px solid var(--primary-yellow);
      border-right: 2px solid var(--primary-yellow);
    }

    .badge-check {
      color: #059669;
      font-weight: 900;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .badge-cross {
      color: #DC2626;
    }

    /* 案例中心 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s ease;
    }

    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .case-img-wrap {
      width: 100%;
      height: 220px;
      overflow: hidden;
      background: #F3F4F6;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.05);
    }

    .case-content {
      padding: 20px;
    }

    .case-tag {
      font-size: 0.75rem;
      font-weight: 700;
      background: var(--yellow-light);
      color: #92400E;
      padding: 2px 8px;
      border-radius: 4px;
    }

    .case-title {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--accent-black);
      margin: 8px 0 6px;
    }

    .case-desc {
      font-size: 0.85rem;
      color: var(--light-gray);
      line-height: 1.5;
    }

    /* Token 比价看板 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .price-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      position: relative;
      transition: all 0.3s ease;
    }

    .price-card.popular {
      border: 2px solid var(--primary-yellow);
      box-shadow: var(--shadow-md);
      transform: scale(1.02);
    }

    .price-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-yellow);
      color: var(--accent-black);
      font-size: 0.78rem;
      font-weight: 800;
      padding: 4px 14px;
      border-radius: 20px;
    }

    .price-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 12px;
    }

    .price-val {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--accent-black);
      margin-bottom: 20px;
    }

    .price-val span {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--light-gray);
    }

    .price-features {
      list-style: none;
      text-align: left;
      margin-bottom: 28px;
      border-top: 1px solid var(--border-color);
      padding-top: 20px;
    }

    .price-features li {
      font-size: 0.9rem;
      color: var(--dark-gray);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .price-features li::before {
      content: "✓";
      color: #059669;
      font-weight: 900;
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: var(--primary-yellow);
      font-size: 1.1rem;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--dark-gray);
      line-height: 1.65;
      margin-bottom: 20px;
      font-style: italic;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F3F4F6;
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--yellow-light);
      border: 2px solid var(--primary-yellow);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: var(--accent-black);
    }

    .reviewer-name {
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--accent-black);
    }

    .reviewer-role {
      font-size: 0.8rem;
      color: var(--light-gray);
    }

    /* FAQ 折叠面板 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.25s;
    }

    .faq-item.active {
      border-color: var(--primary-yellow);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      background: none;
      border: none;
      padding: 18px 24px;
      text-align: left;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--accent-black);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--accent-black);
      transition: transform 0.3s;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      background: #FFFDF8;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 0.94rem;
      color: var(--dark-gray);
      line-height: 1.7;
    }

    /* 表单与需求匹配 */
    .form-section-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #FFFFFF;
      border: 2px solid var(--primary-yellow);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-lg);
    }

    .form-info-side h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 16px;
    }

    .form-info-side p {
      color: var(--dark-gray);
      margin-bottom: 24px;
      font-size: 0.95rem;
    }

    .contact-badge-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 24px;
    }

    .contact-badge-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--accent-black);
      font-weight: 600;
    }

    .contact-badge-item span.icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: var(--yellow-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .contact-qr-container {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--bg-warm);
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px dashed var(--primary-yellow);
    }

    .contact-qr-container img {
      width: 88px;
      height: 88px;
      object-fit: contain;
      border-radius: 6px;
      background: #FFFFFF;
    }

    .form-fields-side {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--accent-black);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: #FAF9F6;
      color: var(--accent-black);
      transition: all 0.2s;
    }

    .form-control:focus {
      background: #FFFFFF;
      border-color: var(--accent-black);
      box-shadow: 0 0 0 3px rgba(255, 199, 0, 0.3);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* 行业资讯与百科 */
    .articles-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
    }

    .articles-list-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .article-row-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 14px 0;
      border-bottom: 1px solid #F3F4F6;
    }

    .article-row-item:last-child {
      border-bottom: none;
    }

    .article-row-title {
      font-weight: 700;
      color: var(--accent-black);
      font-size: 0.95rem;
    }

    .article-row-title:hover {
      color: #B45309;
    }

    .article-link-tag {
      font-size: 0.8rem;
      color: #6B7280;
      background: #F3F4F6;
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 宣传图画廊 */
    .banner-gallery-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 30px;
    }

    .banner-gallery-row img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      object-fit: contain;
    }

    /* 加盟代理板块 */
    .partner-banner {
      background: linear-gradient(135deg, #FFF8D6 0%, #FFEBA3 100%);
      border: 2px solid var(--primary-yellow);
      border-radius: var(--radius-lg);
      padding: 40px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 24px;
    }

    .partner-text h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 10px;
    }

    .partner-text p {
      font-size: 1rem;
      color: var(--dark-gray);
      max-width: 650px;
    }

    /* 页脚 */
    .site-footer {
      background-color: #111827;
      color: #9CA3AF;
      padding: 60px 0 30px;
      border-top: 4px solid var(--primary-yellow);
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      color: #FFFFFF;
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .footer-brand p {
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .footer-col h5 {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 16px;
      position: relative;
    }

    .footer-col h5::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -6px;
      width: 24px;
      height: 2px;
      background: var(--primary-yellow);
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a:hover {
      color: var(--primary-yellow);
    }

    .friendly-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 10px;
    }

    .friendly-links-wrap a {
      background: rgba(255, 255, 255, 0.08);
      color: #D1D5DB;
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.82rem;
    }

    .friendly-links-wrap a:hover {
      background: var(--primary-yellow);
      color: var(--accent-black);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.85rem;
    }

    /* 悬浮工具栏 */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      background: var(--primary-yellow);
      color: var(--accent-black);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      font-weight: 900;
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
      cursor: pointer;
      border: 2px solid #FFFFFF;
      transition: transform 0.2s ease;
    }

    .float-btn:hover {
      transform: scale(1.1);
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-stats-panel {
        grid-template-columns: repeat(2, 1fr);
      }
      .stat-item:nth-child(2)::after {
        display: none;
      }
      .about-grid,
      .form-section-layout,
      .articles-grid {
        grid-template-columns: 1fr;
      }
      .flow-steps,
      .cases-grid,
      .pricing-grid,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 20px;
        border-bottom: 2px solid var(--primary-yellow);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-toggle {
        display: block;
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 1.75rem;
      }
      .hero-stats-panel,
      .flow-steps,
      .cases-grid,
      .pricing-grid,
      .reviews-grid,
      .footer-grid,
      .banner-gallery-row {
        grid-template-columns: 1fr;
      }
      .stat-item::after {
        display: none !important;
      }
      .form-section-layout {
        padding: 24px;
      }
      .header-actions .btn {
        padding: 8px 14px;
        font-size: 0.85rem;
      }
    }