:root {
      --primary: #f59e0b;
      --primary-dark: #d97706;
      --primary-light: #fef3c7;
      --accent-yellow: #fbbf24;
      --dark-text: #1e293b;
      --medium-text: #475569;
      --light-text: #64748b;
      --bg-page: #fefce8;
      --bg-surface: #ffffff;
      --bg-alt: #fef9c3;
      --border-color: #fde68a;
      --shadow-sm: 0 2px 8px rgba(217, 119, 6, 0.08);
      --shadow-md: 0 8px 24px rgba(217, 119, 6, 0.12);
      --shadow-lg: 0 16px 36px rgba(217, 119, 6, 0.16);
      --radius: 12px;
      --radius-sm: 8px;
      --transition: all 0.28s ease;
      --max-w: 1200px;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--dark-text);
      line-height: 1.65;
      font-size: 16px;
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      width: 100%;
    }

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

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 24px;
    }

    .section-wrap {
      width: 100%;
      padding: 64px 0;
      position: relative;
    }

    .section-title-wrap {
      text-align: center;
      margin-bottom: 40px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background-color: #fde047;
      color: #78350f;
      font-weight: 700;
      font-size: 13px;
      border-radius: 20px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-heading {
      font-size: 32px;
      font-weight: 800;
      color: var(--dark-text);
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-subheading {
      font-size: 16px;
      color: var(--medium-text);
      max-width: 640px;
      margin: 0 auto;
    }

    /* 顶部导航 */
    .header-site {
      width: 100%;
      background: #ffffff;
      border-bottom: 2px solid var(--accent-yellow);
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: var(--shadow-sm);
    }

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

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

    .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }

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

    .nav-links li a {
      font-size: 15px;
      font-weight: 600;
      color: var(--dark-text);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

    .nav-links li a:hover {
      background-color: var(--primary-light);
      color: var(--primary-dark);
    }

    .nav-btn-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn-header-cta {
      background: #facc15;
      color: #78350f;
      font-weight: 700;
      padding: 10px 20px;
      border-radius: 30px;
      border: 1px solid #eab308;
      box-shadow: 0 4px 12px rgba(234, 179, 8, 0.3);
      cursor: pointer;
    }

    .btn-header-cta:hover {
      background: #eab308;
      transform: translateY(-1px);
    }

    .nav-toggle-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .nav-toggle-btn span {
      display: block;
      width: 24px;
      height: 3px;
      background: var(--dark-text);
      margin: 4px 0;
      border-radius: 2px;
      transition: var(--transition);
    }

    /* 首屏 Hero (不含图片) */
    .hero-section {
      background: radial-gradient(circle at 50% 10%, #fef08a 0%, #fef9c3 50%, #fefce8 100%);
      padding: 70px 0 60px 0;
      border-bottom: 1px solid var(--border-color);
      text-align: center;
    }

    .hero-content {
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid #fde047;
      padding: 8px 18px;
      border-radius: 40px;
      color: #854d0e;
      font-weight: 700;
      font-size: 14px;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-title {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-desc {
      font-size: 18px;
      color: var(--medium-text);
      margin-bottom: 32px;
      line-height: 1.6;
    }

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

    .btn-main-hero {
      background: #eab308;
      color: #451a03;
      font-size: 18px;
      font-weight: 800;
      padding: 14px 34px;
      border-radius: 40px;
      box-shadow: 0 8px 24px rgba(234, 179, 8, 0.4);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      border: 2px solid #ca8a04;
    }

    .btn-main-hero:hover {
      background: #ca8a04;
      color: #ffffff;
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(202, 138, 4, 0.5);
    }

    .btn-sub-hero {
      background: #ffffff;
      color: var(--dark-text);
      font-size: 16px;
      font-weight: 700;
      padding: 14px 28px;
      border-radius: 40px;
      border: 1px solid #fde047;
      box-shadow: var(--shadow-sm);
    }

    .btn-sub-hero:hover {
      background: var(--primary-light);
      border-color: #eab308;
    }

    .hero-features-strip {
      display: flex;
      justify-content: center;
      gap: 32px;
      flex-wrap: wrap;
      border-top: 1px dashed #fde68a;
      padding-top: 28px;
    }

    .h-feature-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 15px;
      font-weight: 600;
      color: #78350f;
    }

    .dot-accent {
      width: 8px;
      height: 8px;
      background: #eab308;
      border-radius: 50%;
    }

    /* 数据指标卡片 */
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: -30px;
      margin-bottom: 20px;
    }

    .metric-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
    }

    .metric-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #f59e0b;
    }

    .metric-num {
      font-size: 34px;
      font-weight: 900;
      color: #b45309;
      line-height: 1;
      margin-bottom: 8px;
    }

    .metric-label {
      font-size: 14px;
      color: var(--medium-text);
      font-weight: 600;
    }

    /* 平台介绍板块 */
    .about-box {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 40px;
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
    }

    .about-lead {
      font-size: 17px;
      color: var(--dark-text);
      line-height: 1.8;
      margin-bottom: 20px;
    }

    .about-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .about-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 15px;
      font-weight: 600;
      color: #78350f;
    }

    /* 支持模型标签云 */
    .model-tags-container {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid #fde68a;
      box-shadow: var(--shadow-sm);
    }

    .tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .model-tag {
      background: #fef08a;
      color: #713f12;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 700;
      border: 1px solid #fde047;
      transition: var(--transition);
    }

    .model-tag:hover {
      background: #facc15;
      transform: scale(1.05);
    }

    /* 服务能力卡片 */
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #f59e0b;
    }

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

    .sc-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      padding: 3px 10px;
      background: #fef9c3;
      color: #92400e;
      border-radius: 4px;
      margin-bottom: 10px;
    }

    .sc-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--dark-text);
      line-height: 1.35;
    }

    .sc-desc {
      font-size: 14px;
      color: var(--medium-text);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .sc-footer {
      border-top: 1px dashed #fde68a;
      padding-top: 12px;
      font-size: 13px;
      font-weight: 700;
      color: #b45309;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

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

    .flow-step-card {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-badge {
      width: 38px;
      height: 38px;
      line-height: 38px;
      background: #facc15;
      color: #78350f;
      font-weight: 900;
      border-radius: 50%;
      margin: 0 auto 16px;
      font-size: 16px;
    }

    .step-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 14px;
      color: var(--medium-text);
      line-height: 1.5;
    }

    /* 案例展示 */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: center;
      margin-bottom: 30px;
    }

    .media-card {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 16px;
      box-shadow: var(--shadow-sm);
    }

    .media-card img {
      width: 100%;
      border-radius: var(--radius-sm);
      display: block;
      height: auto;
    }

    .media-caption {
      margin-top: 12px;
      font-size: 15px;
      font-weight: 700;
      color: var(--dark-text);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* 对比评测表格 */
    .eval-box {
      background: #ffffff;
      border-radius: var(--radius);
      border: 2px solid #facc15;
      padding: 32px;
      box-shadow: var(--shadow-md);
    }

    .eval-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 24px;
      padding-bottom: 20px;
      border-bottom: 2px dashed #fde68a;
    }

    .eval-score-badge {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      background: #fef08a;
      padding: 8px 20px;
      border-radius: 30px;
      border: 1px solid #eab308;
    }

    .score-txt {
      font-size: 24px;
      font-weight: 900;
      color: #78350f;
    }

    .stars-txt {
      color: #ea580c;
      font-size: 18px;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
    }

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

    .eval-table th, .eval-table td {
      padding: 14px 18px;
      border-bottom: 1px solid #fde68a;
      font-size: 15px;
    }

    .eval-table th {
      background-color: #fef9c3;
      color: #78350f;
      font-weight: 800;
    }

    .eval-table tr:hover td {
      background-color: #fefce8;
    }

    .highlight-cell {
      background: #fef3c7;
      color: #92400e;
      font-weight: 700;
    }

    /* Token比价与方案 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .token-card.featured {
      border: 2px solid #eab308;
      background: #fffdf5;
      transform: scale(1.02);
      box-shadow: var(--shadow-md);
    }

    .tc-flag {
      position: absolute;
      top: -12px;
      right: 20px;
      background: #eab308;
      color: #451a03;
      padding: 4px 12px;
      font-size: 12px;
      font-weight: 800;
      border-radius: 12px;
    }

    .tc-title {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .tc-price {
      font-size: 32px;
      font-weight: 900;
      color: #b45309;
      margin-bottom: 16px;
    }

    .tc-price span {
      font-size: 14px;
      font-weight: 600;
      color: var(--light-text);
    }

    .tc-features {
      margin-bottom: 24px;
      flex: 1;
    }

    .tc-features li {
      font-size: 14px;
      color: var(--medium-text);
      padding: 6px 0;
      display: flex;
      align-items: center;
      gap: 8px;
    }

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

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

    .rc-quote {
      font-size: 15px;
      color: var(--dark-text);
      line-height: 1.6;
      margin-bottom: 18px;
      position: relative;
    }

    .rc-author-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #fef08a;
      padding-top: 12px;
    }

    .rc-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #fde047;
      color: #713f12;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 16px;
    }

    .rc-name {
      font-weight: 700;
      font-size: 15px;
      color: var(--dark-text);
    }

    .rc-role {
      font-size: 13px;
      color: var(--light-text);
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 17px;
      font-weight: 700;
      color: var(--dark-text);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      background: #ffffff;
      transition: var(--transition);
    }

    .faq-question:hover {
      background: #fefce8;
    }

    .faq-icon {
      font-size: 20px;
      font-weight: 700;
      color: #d97706;
      transition: transform 0.3s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: #fffdf5;
      padding: 0 24px;
      font-size: 15px;
      color: var(--medium-text);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 16px 24px 20px 24px;
    }

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

    /* 表单与需求匹配 */
    .form-section-box {
      background: #ffffff;
      border-radius: var(--radius);
      border: 2px solid var(--accent-yellow);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1fr;
    }

    .form-lead-pane {
      background: linear-gradient(135deg, #fef08a 0%, #fde047 100%);
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .form-lead-pane h3 {
      font-size: 28px;
      font-weight: 800;
      color: #713f12;
      margin-bottom: 16px;
    }

    .form-lead-pane p {
      font-size: 15px;
      color: #854d0e;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .form-contact-list li {
      font-size: 14px;
      color: #78350f;
      font-weight: 600;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .form-main-pane {
      padding: 40px;
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 700;
      color: var(--dark-text);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 15px;
      transition: var(--transition);
      background: #f8fafc;
    }

    .form-control:focus {
      outline: none;
      border-color: #eab308;
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(250, 204, 21, 0.25);
    }

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

    .btn-submit {
      width: 100%;
      background: #eab308;
      color: #451a03;
      font-weight: 800;
      font-size: 16px;
      padding: 14px;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 4px 12px rgba(234, 179, 8, 0.3);
    }

    .btn-submit:hover {
      background: #ca8a04;
      color: #ffffff;
    }

    /* 行业资讯 & 友情链接 */
    .article-links-wrap {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .art-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .art-item a {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--dark-text);
      font-weight: 600;
    }

    .art-item a:hover {
      color: #d97706;
      text-decoration: underline;
    }

    .friend-links-box {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 20px 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    .friend-links-title {
      font-weight: 700;
      font-size: 14px;
      color: #78350f;
    }

    .friend-links-box a {
      font-size: 13px;
      color: var(--medium-text);
      background: #fefce8;
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid #fef08a;
    }

    .friend-links-box a:hover {
      background: #fde047;
      color: #713f12;
    }

    /* 宣传图画廊 */
    .banner-gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 32px;
    }

    .ai-page-image {
      width: 100%;
      height: 180px;
      object-fit: cover;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .ai-page-image:hover {
      transform: scale(1.02);
    }

    /* 页脚 Footer */
    .footer-site {
      width: 100%;
      background: #ffffff;
      border-top: 2px solid #facc15;
      padding: 48px 0 24px 0;
      color: var(--dark-text);
      margin-top: 40px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 32px;
      margin-bottom: 32px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 800;
      color: #713f12;
      margin-bottom: 16px;
      position: relative;
    }

    .footer-col ul li {
      font-size: 14px;
      color: var(--medium-text);
      margin-bottom: 8px;
    }

    .footer-col ul li a:hover {
      color: #d97706;
    }

    .footer-qr-wrap {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }

    .footer-qr-wrap img {
      width: 110px;
      height: 110px;
      border: 1px solid #fde047;
      border-radius: 6px;
      padding: 4px;
      background: #fff;
    }

    .footer-bottom-bar {
      border-top: 1px solid #fef08a;
      padding-top: 20px;
      text-align: center;
      font-size: 13px;
      color: var(--light-text);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 浮动客服挂件 & 返回顶部 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 40px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 990;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      background: #facc15;
      border: 1px solid #eab308;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      color: #713f12;
      font-weight: 800;
      font-size: 13px;
      transition: var(--transition);
      position: relative;
    }

    .float-btn:hover {
      background: #eab308;
      transform: translateY(-2px);
    }

    .qr-popover {
      display: none;
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      padding: 10px;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      width: 130px;
      text-align: center;
    }

    .qr-popover img {
      width: 110px;
      height: 110px;
      display: block;
      margin: 0 auto 6px;
    }

    .qr-popover span {
      font-size: 12px;
      color: #78350f;
      font-weight: 600;
    }

    .float-btn.kefu-btn:hover .qr-popover {
      display: block;
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .metric-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .token-grid {
        grid-template-columns: 1fr;
      }
      .review-grid {
        grid-template-columns: 1fr;
      }
      .form-section-box {
        grid-template-columns: 1fr;
      }
      .media-showcase-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .banner-gallery {
        grid-template-columns: 1fr;
      }
      .ai-page-image {
        height: auto;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 24px;
        box-shadow: var(--shadow-md);
        border-bottom: 2px solid var(--accent-yellow);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-toggle-btn {
        display: block;
      }
      .hero-title {
        font-size: 28px;
      }
      .hero-desc {
        font-size: 15px;
      }
      .cards-grid {
        grid-template-columns: 1fr;
      }
      .flow-steps {
        grid-template-columns: 1fr;
      }
      .about-grid {
        grid-template-columns: 1fr;
      }
      .art-list {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }