:root {
      --primary: #FF3B30;
      --primary-hover: #E02D23;
      --secondary: #0052FF;
      --secondary-hover: #0041CC;
      --accent-yellow: #FFCC00;
      --accent-teal: #00C7BE;
      --bg-main: #F7F8FC;
      --bg-card: #FFFFFF;
      --text-main: #1D1D1F;
      --text-muted: #5E6370;
      --border-color: #E5E8F0;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 16px 32px rgba(0, 82, 255, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 24px;
      --max-width: 1200px;
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      scroll-behavior: smooth;
    }

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

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid var(--border-color);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

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

    .brand-logo-wrap {
      width: 140px;
      display: flex;
      align-items: center;
    }

    .brand-logo-wrap img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-item {
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      position: relative;
    }

    .nav-item:hover {
      color: var(--secondary);
    }

    .nav-btn-group {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn-nav-primary {
      background: var(--primary);
      color: #FFFFFF;
      padding: 8px 18px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 700;
      box-shadow: 0 4px 10px rgba(255, 59, 48, 0.3);
      display: inline-block;
    }

    .btn-nav-primary:hover {
      background: var(--primary-hover);
      color: #FFFFFF;
      transform: translateY(-1px);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .menu-toggle span {
      display: block;
      width: 24px;
      height: 3px;
      background: var(--text-main);
      margin: 4px 0;
      transition: var(--transition);
    }

    /* 首屏 Hero */
    .hero-section {
      background: linear-gradient(135deg, #FFF6F5 0%, #F0F5FF 50%, #FFFDEB 100%);
      border-bottom: 2px solid var(--border-color);
      padding: 70px 0 60px;
      position: relative;
    }

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

    .hero-badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--accent-yellow);
      color: #000;
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 24px;
      box-shadow: 0 2px 8px rgba(255, 204, 0, 0.4);
    }

    .hero-title {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      color: #0B0E14;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title span.color-red {
      color: var(--primary);
    }

    .hero-title span.color-blue {
      color: var(--secondary);
    }

    .hero-desc {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 800px;
      line-height: 1.65;
      margin-bottom: 36px;
    }

    .hero-cta-area {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    .btn-main-hero {
      background: var(--primary);
      color: #FFFFFF;
      font-size: 18px;
      font-weight: 800;
      padding: 14px 36px;
      border-radius: var(--radius-md);
      box-shadow: 0 8px 24px rgba(255, 59, 48, 0.35);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-main-hero:hover {
      background: var(--primary-hover);
      color: #FFFFFF;
      transform: translateY(-2px);
    }

    .btn-sub-hero {
      background: #FFFFFF;
      color: var(--secondary);
      border: 2px solid var(--secondary);
      font-size: 18px;
      font-weight: 800;
      padding: 12px 32px;
      border-radius: var(--radius-md);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-sub-hero:hover {
      background: var(--secondary);
      color: #FFFFFF;
      transform: translateY(-2px);
    }

    .hero-stat-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      width: 100%;
      margin-top: 10px;
    }

    .hero-stat-card {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .hero-stat-num {
      font-size: 28px;
      font-weight: 900;
      color: var(--secondary);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .hero-stat-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* 通用分区块 */
    .section-block {
      padding: 70px 0;
      position: relative;
    }

    .section-block.bg-alt {
      background-color: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .section-header-center {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 46px;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 800;
      padding: 4px 14px;
      background: #EBF1FF;
      color: var(--secondary);
      border-radius: 20px;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .section-tag.tag-red {
      background: #FFEBEA;
      color: var(--primary);
    }

    .section-title {
      font-size: 32px;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.3px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 平台介绍板块 */
    .about-platform-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .about-item-card {
      background: var(--bg-card);
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .about-item-card:hover {
      border-color: var(--secondary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .about-card-badge {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 20px;
    }

    .badge-blue { background: #E8F0FE; color: var(--secondary); }
    .badge-red { background: #FCE8E6; color: var(--primary); }
    .badge-yellow { background: #FEF7E0; color: #D97706; }

    .about-card-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .about-card-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 一站式创作场景 */
    .service-scene-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .scene-card {
      background: var(--bg-card);
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .scene-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
      transform: translateY(-3px);
    }

    .scene-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }

    .scene-name {
      font-size: 17px;
      font-weight: 800;
      color: var(--text-main);
    }

    .scene-chip {
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      background: #F0F2F6;
      color: var(--text-muted);
    }

    .scene-body {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 16px;
    }

    .scene-action {
      display: inline-flex;
      align-items: center;
      font-size: 13px;
      font-weight: 700;
      color: var(--secondary);
    }

    /* 多模型生态展示条 */
    .models-chip-wrap {
      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: 13px;
      font-weight: 700;
      color: var(--text-main);
      box-shadow: 0 2px 6px rgba(0,0,0,0.03);
    }

    .model-chip.highlight {
      border-color: var(--secondary);
      background: #F0F5FF;
      color: var(--secondary);
    }

    /* 宣传图文与物料展示 */
    .visual-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 30px;
    }

    .visual-img-container {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .visual-img-container img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      display: block;
      transition: var(--transition);
    }

    .visual-img-container:hover img {
      transform: scale(1.03);
    }

    .visual-card-caption {
      padding: 14px 18px;
      background: #FFFFFF;
    }

    .visual-card-title {
      font-size: 15px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .visual-card-sub {
      font-size: 12px;
      color: var(--text-muted);
    }

    .media-extra-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
    }

    .media-extra-box {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
    }

    .media-extra-box img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      display: block;
    }

    .media-extra-text {
      padding: 16px 20px;
    }

    /* 对比评测板块 */
    .eval-score-banner {
      background: linear-gradient(90deg, #111827 0%, #1F2937 100%);
      color: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 36px;
      box-shadow: var(--shadow-lg);
    }

    .eval-score-left {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .eval-score-num {
      font-size: 56px;
      font-weight: 900;
      color: var(--accent-yellow);
      line-height: 1;
    }

    .eval-score-text h3 {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .eval-score-text p {
      font-size: 14px;
      color: #9CA3AF;
    }

    .eval-score-stars {
      color: var(--accent-yellow);
      font-size: 24px;
      letter-spacing: 4px;
    }

    .table-container {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

    .eval-table th, .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .eval-table th {
      background: #F8FAFC;
      font-weight: 800;
      color: var(--text-main);
    }

    .eval-table tr:last-child td {
      border-bottom: none;
    }

    .eval-table .highlight-col {
      background: #F5F8FF;
      font-weight: 700;
      color: var(--secondary);
    }

    .tag-strong-yes {
      background: #DCFCE7;
      color: #15803D;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 700;
    }

    .tag-weak-no {
      background: #FEE2E2;
      color: #B91C1C;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 700;
    }

    /* 标准流程时间线 */
    .flow-step-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .flow-step-card {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }

    .flow-step-idx {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #FFFFFF;
      font-weight: 900;
      font-size: 16px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }

    .flow-step-title {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .flow-step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .review-card {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-quote {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    .review-avatar-text {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #0052FF;
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 15px;
    }

    .review-meta-name {
      font-size: 15px;
      font-weight: 800;
      color: var(--text-main);
    }

    .review-meta-role {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 加盟代理板块 */
    .agent-promo-card {
      background: linear-gradient(135deg, #FFF0F0 0%, #FFFFFF 100%);
      border: 2px solid var(--primary);
      border-radius: var(--radius-lg);
      padding: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
    }

    .agent-left-content {
      max-width: 650px;
    }

    .agent-left-content h3 {
      font-size: 26px;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .agent-left-content p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .agent-benefits-row {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .agent-benefit-item {
      background: #FFFFFF;
      border: 1px solid #FFCDD2;
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
    }

    /* 文章列表与资讯 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .article-card {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .article-card:hover {
      border-color: var(--secondary);
      transform: translateY(-2px);
    }

    .article-tag-label {
      font-size: 12px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
    }

    .article-title-text {
      font-size: 16px;
      font-weight: 800;
      line-height: 1.45;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .article-summary {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 16px;
    }

    .article-read-btn {
      font-size: 13px;
      font-weight: 700;
      color: var(--secondary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* FAQ 折叠面板 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--secondary);
    }

    .faq-question {
      padding: 18px 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-weight: 800;
      font-size: 16px;
      color: var(--text-main);
      user-select: none;
    }

    .faq-icon-arrow {
      font-size: 18px;
      transition: transform 0.25s ease;
      color: var(--secondary);
      font-weight: 900;
    }

    .faq-item.active .faq-icon-arrow {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background: #FAFBFC;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 需求表单与联系 */
    .contact-form-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .contact-info-side h3 {
      font-size: 24px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .contact-info-side p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .contact-details-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 24px;
    }

    .contact-detail-row {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--text-main);
      font-weight: 600;
    }

    .qr-contact-box {
      width: 140px;
      background: #F8FAFC;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 10px;
      text-align: center;
    }

    .qr-contact-box img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 4px;
    }

    .qr-contact-box span {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 6px;
      display: block;
      font-weight: 700;
    }

    .form-group-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 16px;
    }

    .form-control-item {
      margin-bottom: 16px;
    }

    .form-control-item label {
      display: block;
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      outline: none;
      transition: var(--transition);
      background: #FFFFFF;
      font-family: inherit;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--secondary);
      box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.12);
    }

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

    .form-submit-btn {
      width: 100%;
      background: var(--secondary);
      color: #FFFFFF;
      border: none;
      padding: 14px;
      border-radius: var(--radius-sm);
      font-size: 16px;
      font-weight: 800;
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 4px 14px rgba(0, 82, 255, 0.3);
    }

    .form-submit-btn:hover {
      background: var(--secondary-hover);
      transform: translateY(-1px);
    }

    /* 底部通用规范 */
    .site-footer {
      background: #111827;
      color: #E5E7EB;
      border-top: 2px solid #374151;
      padding: 50px 0 20px;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 30px;
      margin-bottom: 40px;
    }

    .footer-col-title {
      font-size: 16px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
    }

    .footer-links-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-link-item {
      font-size: 13px;
      color: #9CA3AF;
      transition: var(--transition);
    }

    .footer-link-item:hover {
      color: #FFFFFF;
    }

    .friend-links-box {
      border-top: 1px solid #374151;
      padding: 20px 0;
      margin-bottom: 20px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      font-size: 13px;
    }

    .friend-links-label {
      font-weight: 800;
      color: #D1D5DB;
    }

    .friend-links-box a {
      color: #9CA3AF;
    }

    .friend-links-box a:hover {
      color: #60A5FA;
    }

    .footer-bottom-bar {
      border-top: 1px solid #1F2937;
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 12px;
      color: #6B7280;
    }

    /* 浮动客服入口 */
    .floating-kefu-btn {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      background: var(--primary);
      color: #FFFFFF;
      width: 56px;
      height: 56px;
      border-radius: 50%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 24px rgba(255, 59, 48, 0.4);
      cursor: pointer;
      transition: var(--transition);
      font-size: 11px;
      font-weight: 800;
      text-align: center;
      border: 2px solid #FFFFFF;
    }

    .floating-kefu-btn:hover {
      transform: scale(1.08);
      background: var(--primary-hover);
    }

    /* 响应式断点 */
    @media (max-width: 992px) {
      .hero-stat-grid { grid-template-columns: repeat(2, 1fr); }
      .about-platform-grid { grid-template-columns: repeat(2, 1fr); }
      .service-scene-grid { grid-template-columns: repeat(2, 1fr); }
      .visual-gallery-grid { grid-template-columns: repeat(2, 1fr); }
      .media-extra-grid { grid-template-columns: 1fr; }
      .flow-step-grid { grid-template-columns: repeat(2, 1fr); }
      .reviews-grid { grid-template-columns: 1fr; }
      .articles-grid { grid-template-columns: 1fr; }
      .contact-form-layout { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: repeat(2, 1fr); }
      .agent-promo-card { flex-direction: column; align-items: flex-start; }
    }

    @media (max-width: 768px) {
      .hero-title { font-size: 28px; }
      .hero-desc { font-size: 15px; }
      .menu-toggle { display: block; }
      .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 72px;
        left: 0;
        background: #FFFFFF;
        border-bottom: 2px solid var(--border-color);
        padding: 16px 20px;
        box-shadow: var(--shadow-sm);
      }
      .nav-links.active { display: flex; }
      .nav-item { width: 100%; padding: 10px 0; }
      .nav-btn-group { display: none; }
      .hero-stat-grid { grid-template-columns: 1fr; }
      .about-platform-grid { grid-template-columns: 1fr; }
      .service-scene-grid { grid-template-columns: 1fr; }
      .visual-gallery-grid { grid-template-columns: 1fr; }
      .flow-step-grid { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr; }
      .form-group-row { grid-template-columns: 1fr; }
      .eval-score-banner { flex-direction: column; align-items: flex-start; gap: 16px; }
    }