:root {
      --primary-yellow: #f8c200;
      --primary-yellow-light: #fff5cc;
      --primary-yellow-dark: #cc9900;
      --dark-text: #1a1917;
      --sub-text: #59564f;
      --light-text: #8c887b;
      --bg-warm: #fefdf9;
      --bg-alt: #f7f5ed;
      --card-bg: #ffffff;
      --border-color: #ede8d8;
      --accent-black: #111111;
      --shadow-sm: 0 4px 12px rgba(26,25,23, 0.05);
      --shadow-md: 0 10px 25px rgba(248,194,0, 0.12);
      --shadow-hover: 0 14px 30px rgba(26,25,23, 0.1);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --transition: all 0.28s ease;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      background-color: var(--bg-warm);
      color: var(--dark-text);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    }

    body {
      line-height: 1.65;
      background: radial-gradient(circle at 10% 20%, #fffbe6 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, #fff2bf 0%, transparent 45%),
                  var(--bg-warm);
      min-height: 100vh;
      overflow-x: hidden;
    }

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

    /* 容器规范 */
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-bottom: 2px solid var(--primary-yellow);
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }

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

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

    .brand-wrap .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
    }

    .brand-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--dark-text);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-badge {
      font-size: 0.75rem;
      background: var(--primary-yellow);
      color: var(--accent-black);
      padding: 2px 6px;
      border-radius: 4px;
      font-weight: 700;
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
    }

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

    .nav-links li a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--dark-text);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

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

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

    .btn-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary-yellow);
      color: var(--accent-black);
      font-weight: 700;
      font-size: 0.95rem;
      padding: 10px 22px;
      border-radius: 30px;
      border: 2px solid var(--dark-text);
      box-shadow: 2px 3px 0px var(--dark-text);
      cursor: pointer;
      white-space: nowrap;
    }

    .btn-portal:hover {
      transform: translate(-1px, -1px);
      box-shadow: 4px 5px 0px var(--dark-text);
      background: #ffd000;
    }

    .menu-toggle {
      display: none;
      background: transparent;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--dark-text);
      padding: 4px 8px;
    }

    /* 区域通用样式 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }

    .section-title-wrap {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px auto;
    }

    .section-tag {
      display: inline-block;
      background: var(--primary-yellow);
      color: var(--accent-black);
      font-size: 0.85rem;
      font-weight: 800;
      padding: 4px 14px;
      border-radius: 20px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      border: 1px solid rgba(0,0,0,0.06);
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 14px;
      line-height: 1.35;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--sub-text);
      line-height: 1.7;
    }

    /* 首屏 HERO (无任何图片) */
    .hero-section {
      padding: 90px 0 70px;
      background: linear-gradient(180deg, #fffbe6 0%, #ffffff 100%);
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .hero-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 2px solid var(--dark-text);
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 700;
      box-shadow: 2px 3px 0 var(--primary-yellow);
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--dark-text);
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }

    .hero-title .highlight {
      background: linear-gradient(180deg, transparent 65%, var(--primary-yellow) 65%);
      padding: 0 4px;
    }

    .hero-lead {
      font-size: 1.2rem;
      color: var(--sub-text);
      max-width: 800px;
      margin-bottom: 34px;
      line-height: 1.7;
    }

    .hero-btns {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 45px;
    }

    .btn-hero-primary {
      background: var(--primary-yellow);
      color: var(--accent-black);
      font-size: 1.15rem;
      font-weight: 800;
      padding: 16px 36px;
      border-radius: 40px;
      border: 2.5px solid var(--dark-text);
      box-shadow: 4px 5px 0 var(--dark-text);
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .btn-hero-primary:hover {
      transform: translate(-2px, -2px);
      box-shadow: 6px 7px 0 var(--dark-text);
      background: #ffd000;
    }

    .btn-hero-secondary {
      background: #ffffff;
      color: var(--dark-text);
      font-size: 1.15rem;
      font-weight: 700;
      padding: 16px 32px;
      border-radius: 40px;
      border: 2.5px solid var(--dark-text);
      box-shadow: 3px 4px 0 var(--border-color);
      display: inline-flex;
      align-items: center;
    }

    .btn-hero-secondary:hover {
      background: var(--bg-alt);
      border-color: var(--dark-text);
      box-shadow: 4px 5px 0 var(--dark-text);
    }

    .hero-highlights-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      width: 100%;
      margin-top: 15px;
    }

    .hero-metric-card {
      background: #ffffff;
      border: 2px solid var(--dark-text);
      padding: 22px 16px;
      border-radius: var(--radius-md);
      box-shadow: 3px 4px 0px var(--primary-yellow);
      text-align: center;
      transition: var(--transition);
    }

    .hero-metric-card:hover {
      transform: translateY(-3px);
      box-shadow: 5px 6px 0px var(--dark-text);
    }

    .metric-num {
      font-size: 2rem;
      font-weight: 900;
      color: var(--accent-black);
      line-height: 1.2;
    }

    .metric-label {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--sub-text);
      margin-top: 6px;
    }

    /* 平台矩阵与支持模型跑马条 */
    .models-bar-section {
      background: #fffdf5;
      padding: 30px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .models-label {
      text-align: center;
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--sub-text);
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }

    .model-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      max-width: 1100px;
      margin: 0 auto;
    }

    .model-tag-item {
      background: #ffffff;
      border: 1.5px solid #dfd8c2;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--dark-text);
      transition: var(--transition);
    }

    .model-tag-item:hover {
      border-color: var(--dark-text);
      background: var(--primary-yellow);
      transform: translateY(-2px);
    }

    /* 卡片网格体系 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .feature-card {
      background: #ffffff;
      border: 2px solid var(--dark-text);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      box-shadow: 4px 4px 0 var(--border-color);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: 6px 6px 0 var(--primary-yellow);
      border-color: var(--accent-black);
    }

    .card-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: var(--primary-yellow);
      border: 2px solid var(--dark-text);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 900;
      margin-bottom: 20px;
      box-shadow: 2px 2px 0 var(--dark-text);
    }

    .card-title {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--dark-text);
    }

    .card-desc {
      font-size: 0.95rem;
      color: var(--sub-text);
      line-height: 1.65;
      flex-grow: 1;
    }

    .card-footer-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 18px;
    }

    .card-footer-tags span {
      background: var(--bg-alt);
      font-size: 0.78rem;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
      color: var(--dark-text);
    }

    /* 场景分类专区 */
    .scene-item-card {
      background: #ffffff;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
      border-top: 4px solid var(--primary-yellow);
    }

    .scene-item-card:hover {
      border-color: var(--dark-text);
      box-shadow: 0 8px 20px rgba(0,0,0,0.06);
      transform: translateY(-3px);
    }

    .scene-item-title {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--dark-text);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .scene-item-desc {
      font-size: 0.92rem;
      color: var(--sub-text);
      line-height: 1.6;
    }

    /* 图文媒体展示 */
    .media-card-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .media-card {
      background: #ffffff;
      border: 2px solid var(--dark-text);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 4px 4px 0 var(--border-color);
      transition: var(--transition);
    }

    .media-card:hover {
      box-shadow: 6px 6px 0 var(--primary-yellow);
      transform: translateY(-4px);
    }

    .media-thumb-box {
      width: 100%;
      background: var(--bg-alt);
      display: block;
      overflow: hidden;
      aspect-ratio: 16/10;
    }

    .media-thumb-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: var(--transition);
    }

    .media-card:hover .media-thumb-box img {
      transform: scale(1.03);
    }

    .media-info {
      padding: 20px;
    }

    .media-info h4 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .media-info p {
      font-size: 0.9rem;
      color: var(--sub-text);
    }

    /* 对比评测高亮区 */
    .compare-section {
      background: #ffffff;
      border: 2px solid var(--dark-text);
      border-radius: var(--radius-lg);
      padding: 45px 36px;
      box-shadow: 6px 6px 0 var(--primary-yellow);
    }

    .rating-badge-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      background: var(--primary-yellow-light);
      border: 2px dashed var(--primary-yellow-dark);
      border-radius: var(--radius-md);
      padding: 18px 24px;
      margin-bottom: 30px;
      gap: 16px;
    }

    .rating-item {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }

    .rating-num {
      font-size: 2.3rem;
      font-weight: 900;
      color: var(--accent-black);
    }

    .rating-stars {
      color: #e69500;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

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

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

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }

    .compare-table th {
      background: var(--bg-alt);
      font-weight: 800;
      color: var(--dark-text);
    }

    .compare-table tr:hover td {
      background: #fffdf5;
    }

    .compare-table .highlight-col {
      background: #fffbe6;
      font-weight: 700;
      border-left: 2px solid var(--primary-yellow);
      border-right: 2px solid var(--primary-yellow);
    }

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

    .step-box {
      background: #ffffff;
      border: 2px solid var(--dark-text);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      position: relative;
      box-shadow: 3px 3px 0 var(--border-color);
    }

    .step-index {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary-yellow);
      line-height: 1;
      margin-bottom: 12px;
      -webkit-text-stroke: 1px var(--dark-text);
    }

    .step-title {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.9rem;
      color: var(--sub-text);
      line-height: 1.6;
    }

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

    .review-card {
      background: #ffffff;
      border: 2px solid var(--dark-text);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: 3px 3px 0 var(--border-color);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 14px;
    }

    .user-info h4 {
      font-size: 1.05rem;
      font-weight: 800;
    }

    .user-info p {
      font-size: 0.82rem;
      color: var(--light-text);
    }

    .review-stars {
      color: #e69500;
      font-size: 1rem;
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--sub-text);
      line-height: 1.65;
      font-style: italic;
    }

    /* FAQ 手风琴 */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 2px solid var(--dark-text);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 2px 3px 0 var(--border-color);
    }

    .faq-question {
      width: 100%;
      padding: 18px 22px;
      text-align: left;
      background: transparent;
      border: none;
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--dark-text);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-question:hover {
      background: var(--primary-yellow-light);
    }

    .faq-icon {
      font-size: 1.2rem;
      transition: var(--transition);
    }

    .faq-answer {
      padding: 0 22px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: #fffdf8;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      max-height: 400px;
      padding: 18px 22px;
      border-top-color: var(--border-color);
    }

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

    .faq-answer p {
      font-size: 0.95rem;
      color: var(--sub-text);
      line-height: 1.65;
    }

    /* 表单与需求匹配区 */
    .form-section-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #ffffff;
      border: 2.5px solid var(--dark-text);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: 6px 6px 0 var(--primary-yellow);
    }

    .form-info-side {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-card-box {
      background: var(--bg-alt);
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 20px;
    }

    .contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .contact-list li {
      font-size: 0.95rem;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 10px;
    }

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

    .form-element-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 2px solid var(--dark-text);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: #ffffff;
      outline: none;
      font-family: inherit;
    }

    .form-control:focus {
      box-shadow: 0 0 0 3px var(--primary-yellow);
    }

    textarea.form-control {
      min-height: 110px;
      resize: vertical;
    }

    .btn-submit {
      width: 100%;
      background: var(--primary-yellow);
      color: var(--accent-black);
      border: 2px solid var(--dark-text);
      font-size: 1.05rem;
      font-weight: 800;
      padding: 14px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 3px 3px 0 var(--dark-text);
      transition: var(--transition);
    }

    .btn-submit:hover {
      background: #ffd000;
      transform: translate(-1px, -1px);
      box-shadow: 4px 4px 0 var(--dark-text);
    }

    /* 资讯板块 */
    .article-row-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .article-item {
      background: #ffffff;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: var(--transition);
    }

    .article-item:hover {
      border-color: var(--dark-text);
      box-shadow: 3px 3px 0 var(--primary-yellow);
      transform: translateX(4px);
    }

    .article-item-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark-text);
    }

    .article-item-link {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--accent-black);
      background: var(--primary-yellow);
      padding: 6px 14px;
      border-radius: 20px;
      border: 1px solid var(--dark-text);
      white-space: nowrap;
    }

    /* 友情链接与生态 */
    .partner-links-box {
      background: #ffffff;
      border: 2px solid var(--dark-text);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: 3px 3px 0 var(--border-color);
    }

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

    .links-flex a {
      background: var(--bg-alt);
      border: 1px solid var(--border-color);
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--dark-text);
    }

    .links-flex a:hover {
      background: var(--primary-yellow);
      border-color: var(--dark-text);
    }

    /* 页脚标准对齐 */
    .site-footer {
      background: #1a1917;
      color: #f7f5ed;
      padding: 60px 0 30px;
      border-top: 4px solid var(--primary-yellow);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h5 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 18px;
      color: var(--primary-yellow);
    }

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

    .footer-links-list li a {
      color: #d1ccbe;
      font-size: 0.9rem;
    }

    .footer-links-list li a:hover {
      color: var(--primary-yellow);
      padding-left: 4px;
    }

    .footer-qr-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .footer-qr-img {
      width: 96px;
      height: 96px;
      border-radius: 8px;
      background: #ffffff;
      padding: 4px;
      border: 2px solid var(--primary-yellow);
      display: block;
    }

    .footer-bottom {
      border-top: 1px solid #33312c;
      padding-top: 25px;
      text-align: center;
      font-size: 0.85rem;
      color: #9c978b;
    }

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

    /* 悬浮客服面板 */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary-yellow);
      border: 2px solid var(--dark-text);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      box-shadow: 2px 3px 0 var(--dark-text);
      cursor: pointer;
      position: relative;
    }

    .float-btn:hover {
      transform: scale(1.08);
      background: #ffd000;
    }

    .float-qr-pop {
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      border: 2px solid var(--dark-text);
      padding: 12px;
      border-radius: 8px;
      box-shadow: 4px 4px 0 var(--primary-yellow);
      display: none;
      width: 140px;
      text-align: center;
    }

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

    .float-qr-pop img {
      width: 100%;
      height: auto;
      display: block;
      margin-bottom: 6px;
    }

    .float-qr-pop span {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--dark-text);
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .grid-4, .hero-highlights-grid, .step-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3, .review-grid, .media-card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .form-section-wrap {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        border-bottom: 2px solid var(--primary-yellow);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        padding: 15px 20px;
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li a {
        padding: 12px;
        border-bottom: 1px solid var(--bg-alt);
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 1.8rem;
      }
      .grid-4, .hero-highlights-grid, .step-grid, .grid-3, .review-grid, .media-card-grid, .grid-2 {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .rating-badge-bar {
        flex-direction: column;
        align-items: flex-start;
      }
      .header-actions .btn-portal {
        padding: 8px 14px;
        font-size: 0.85rem;
      }
    }