/* roulang page: index */
:root {
      --bg-light: #F7F8FA;
      --bg-white: #FFFFFF;
      --bg-dark: #111317;
      --bg-dark-card: #1A1D24;
      --primary: #24303E;
      --primary-accent: #00B4D8;
      --brand-blue: #1B64DA;
      --text-main: #0F141A;
      --text-body: #3E4651;
      --text-muted: #768191;
      --border-color: #E2E6ED;
      --border-dark: #2A2F3A;
      --radius-sm: 3px;
      --radius-md: 4px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.06);
      --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, sans-serif;
      --font-mono: "DIN Alternate", "Roboto Mono", "Helvetica Neue", Arial, monospace;
      --container-max: 1240px;
    }

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

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

    body {
      font-family: var(--font-main);
      color: var(--text-body);
      background-color: var(--bg-light);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
    }

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

    /* Top Bar */
    .top-bar {
      background: #EEF1F6;
      height: 36px;
      font-size: 13px;
      color: var(--text-muted);
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: center;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }
    .top-bar-contact {
      display: flex;
      gap: 20px;
    }
    .top-bar-contact span {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .top-bar-mono {
      font-family: var(--font-mono);
      font-weight: 600;
      color: var(--text-main);
    }

    /* Header Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      height: 72px;
      display: flex;
      align-items: center;
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.02em;
    }
    .brand-logo .logo-badge {
      width: 34px;
      height: 34px;
      background: var(--primary);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 16px;
      font-weight: bold;
    }
    .brand-logo .logo-sub {
      font-size: 11px;
      font-weight: 600;
      color: var(--primary-accent);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      display: block;
      line-height: 1;
      margin-top: 2px;
    }

    .main-menu {
      display: flex;
      list-style: none;
      gap: 28px;
    }
    .main-menu a {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      position: relative;
      padding: 6px 0;
    }
    .main-menu a:hover {
      color: var(--brand-blue);
    }
    .main-menu a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--brand-blue);
      transition: width 0.2s ease;
    }
    .main-menu a:hover::after {
      width: 100%;
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn-nav {
      background: var(--primary);
      color: #FFFFFF;
      padding: 10px 20px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid var(--primary);
    }
    .btn-nav:hover {
      background: var(--brand-blue);
      border-color: var(--brand-blue);
      box-shadow: 0 4px 12px rgba(27, 100, 218, 0.25);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
    }

    /* Common Components */
    .section-pad {
      padding: 96px 0;
    }
    .section-pad-sm {
      padding: 64px 0;
    }
    .bg-white-pure {
      background-color: var(--bg-white);
    }
    .bg-dark-pure {
      background-color: var(--bg-dark);
      color: #E2E6ED;
    }
    .section-header {
      margin-bottom: 56px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      display: inline-block;
      font-family: var(--font-mono);
      font-size: 12px;
      font-weight: 700;
      color: var(--brand-blue);
      text-transform: uppercase;
      letter-spacing: 0.1em;
      margin-bottom: 12px;
      background: rgba(27, 100, 218, 0.08);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
    }
    .bg-dark-pure .section-tag {
      color: var(--primary-accent);
      background: rgba(0, 180, 216, 0.12);
    }
    .section-title {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.02em;
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .bg-dark-pure .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.75;
    }
    .bg-dark-pure .section-desc {
      color: #9AA4B2;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--brand-blue);
      color: #FFFFFF;
      padding: 14px 28px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-sm);
      border: 1px solid var(--brand-blue);
      cursor: pointer;
    }
    .btn-primary:hover {
      background: #1450b3;
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(27, 100, 218, 0.3);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      color: var(--text-main);
      padding: 14px 28px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      cursor: pointer;
    }
    .btn-outline:hover {
      background: #FFFFFF;
      border-color: var(--text-main);
    }
    .bg-dark-pure .btn-outline {
      color: #FFFFFF;
      border-color: var(--border-dark);
    }
    .bg-dark-pure .btn-outline:hover {
      background: var(--bg-dark-card);
      border-color: var(--primary-accent);
    }

    /* 1. Hero Section (Resource Blueprint with Centered Search & Categories) */
    .hero-section {
      background: linear-gradient(180deg, #FFFFFF 0%, #F7F8FA 100%);
      padding: 80px 0 96px 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }
    .hero-center-box {
      max-width: 960px;
      margin: 0 auto;
      text-align: center;
    }
    .hero-h1 {
      font-size: 46px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      letter-spacing: -0.03em;
      margin-bottom: 20px;
    }
    .hero-intro {
      font-size: 17px;
      color: var(--text-body);
      max-width: 820px;
      margin: 0 auto 36px auto;
      line-height: 1.8;
    }
    
    .hero-search-wrapper {
      max-width: 760px;
      margin: 0 auto 28px auto;
      background: #FFFFFF;
      padding: 8px;
      border-radius: var(--radius-md);
      box-shadow: 0 12px 32px rgba(15, 20, 26, 0.08);
      border: 1px solid var(--border-color);
      display: flex;
      gap: 10px;
    }
    .hero-search-input {
      flex: 1;
      border: none;
      outline: none;
      padding: 0 16px;
      font-size: 15px;
      color: var(--text-main);
      font-family: inherit;
    }
    .hero-search-btn {
      background: var(--primary);
      color: #FFFFFF;
      border: none;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: background 0.2s;
    }
    .hero-search-btn:hover {
      background: var(--brand-blue);
    }
    
    .hero-quick-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      align-items: center;
      margin-bottom: 48px;
    }
    .tag-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 600;
    }
    .quick-tag-item {
      font-size: 13px;
      background: #FFFFFF;
      padding: 6px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      color: var(--text-body);
      font-weight: 500;
    }
    .quick-tag-item:hover {
      border-color: var(--brand-blue);
      color: var(--brand-blue);
    }

    .hero-banner-visual {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      position: relative;
    }
    .hero-banner-visual img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .hero-img-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: linear-gradient(180deg, transparent 0%, rgba(17, 19, 23, 0.85) 100%);
      padding: 24px 32px;
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      color: #FFFFFF;
    }
    .hero-overlay-spec {
      font-family: var(--font-mono);
      font-size: 13px;
      color: var(--primary-accent);
    }

    /* 2. Components Intro (核心总成) */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 48px;
      align-items: center;
    }
    .intro-media {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      position: relative;
    }
    .intro-media img {
      width: 100%;
      height: 440px;
      object-fit: cover;
    }
    .intro-spec-badge {
      position: absolute;
      top: 20px;
      left: 20px;
      background: rgba(17, 19, 23, 0.9);
      color: #FFFFFF;
      padding: 10px 16px;
      font-size: 13px;
      border-left: 3px solid var(--brand-blue);
      font-family: var(--font-mono);
    }
    .intro-content-list {
      display: flex;
      flex-direction: column;
      gap: 24px;
      margin-top: 24px;
    }
    .intro-item {
      background: var(--bg-white);
      padding: 20px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }
    .intro-item h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .intro-item p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.65;
    }
    .spec-num {
      font-family: var(--font-mono);
      color: var(--brand-blue);
      font-size: 13px;
    }

    /* 3. Advantages Grid (工艺制造优势) */
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .adv-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 32px 24px;
      transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.22s;
    }
    .adv-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #CBD5E1;
    }
    .adv-badge {
      font-family: var(--font-mono);
      font-size: 12px;
      font-weight: 700;
      color: var(--text-muted);
      margin-bottom: 16px;
      display: block;
    }
    .adv-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .adv-card p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 4. Featured Products (热门矩阵) */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .prod-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .prod-img {
      height: 220px;
      overflow: hidden;
    }
    .prod-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }
    .prod-card:hover .prod-img img {
      transform: scale(1.04);
    }
    .prod-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .prod-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--brand-blue);
      margin-bottom: 8px;
    }
    .prod-body h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.4;
    }
    .prod-spec-table {
      width: 100%;
      margin-bottom: 20px;
      border-collapse: collapse;
      font-size: 13px;
    }
    .prod-spec-table tr {
      border-bottom: 1px solid var(--border-color);
    }
    .prod-spec-table td {
      padding: 8px 0;
      color: var(--text-muted);
    }
    .prod-spec-table td.val {
      text-align: right;
      font-family: var(--font-mono);
      font-weight: 600;
      color: var(--text-main);
    }
    .prod-btn {
      margin-top: auto;
      text-align: center;
      padding: 10px;
      background: #F1F4F9;
      color: var(--primary);
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-sm);
    }
    .prod-btn:hover {
      background: var(--primary);
      color: #FFFFFF;
    }

    /* 5. Scenarios (工况深色理念) */
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .scenario-card {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 28px 20px;
    }
    .scenario-level {
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--primary-accent);
      font-weight: 700;
      margin-bottom: 12px;
    }
    .scenario-card h3 {
      font-size: 17px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 10px;
    }
    .scenario-card p {
      font-size: 13px;
      color: #9AA4B2;
      line-height: 1.65;
      margin-bottom: 16px;
    }
    .scenario-metric {
      border-top: 1px dashed var(--border-dark);
      padding-top: 12px;
      font-size: 12px;
      color: #768191;
      font-family: var(--font-mono);
    }

    /* 6. Technical Specs (数据统计条) */
    .stats-strip {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 48px 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
    }
    .stat-item {
      text-align: center;
      position: relative;
    }
    .stat-item:not(:last-child)::after {
      content: "";
      position: absolute;
      right: 0;
      top: 15%;
      height: 70%;
      width: 1px;
      background: var(--border-color);
    }
    .stat-val {
      font-family: var(--font-mono);
      font-size: 38px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .stat-label {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 7. Case Studies (实战案例交错布局) */
    .case-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      margin-bottom: 56px;
    }
    .case-row.reverse {
      direction: rtl;
    }
    .case-row.reverse .case-content {
      direction: ltr;
    }
    .case-img {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
    }
    .case-img img {
      width: 100%;
      height: 320px;
      object-fit: cover;
    }
    .case-content h3 {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .case-content p {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .case-metrics-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 16px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .cmb-item-label {
      font-size: 12px;
      color: var(--text-muted);
    }
    .cmb-item-val {
      font-family: var(--font-mono);
      font-size: 16px;
      font-weight: 700;
      color: var(--brand-blue);
    }

    /* 8. User Stories (工程师反馈双列) */
    .user-stories-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }
    .story-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-left: 4px solid var(--brand-blue);
      border-radius: var(--radius-sm);
      padding: 32px;
    }
    .story-header {
      display: flex;
      justify-content: space-between;
      margin-bottom: 16px;
    }
    .story-author {
      font-weight: 700;
      font-size: 16px;
      color: var(--text-main);
    }
    .story-role {
      font-size: 13px;
      color: var(--text-muted);
    }
    .story-text {
      font-size: 14px;
      line-height: 1.75;
      color: var(--text-body);
    }

    /* 9. Testimonials (客户评价墙) */
    .testi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testi-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 28px;
    }
    .testi-industry {
      font-size: 12px;
      font-weight: 700;
      color: var(--brand-blue);
      background: #F1F5FB;
      display: inline-block;
      padding: 2px 8px;
      border-radius: 2px;
      margin-bottom: 16px;
    }
    .testi-card p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .testi-score {
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--text-muted);
      border-top: 1px solid var(--border-color);
      padding-top: 12px;
    }

    /* 10. News Cards (前沿动态) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 28px;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 12px;
    }
    .news-card h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .news-card p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 20px;
      flex: 1;
    }
    .news-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--brand-blue);
    }

    /* 11. FAQ Accordion (选型问答) */
    .faq-container {
      max-width: 820px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
    }
    .faq-q {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-q::after {
      content: "+";
      font-family: var(--font-mono);
      font-size: 20px;
      color: var(--text-muted);
      transition: transform 0.2s;
    }
    .faq-item.active .faq-q::after {
      content: "−";
      color: var(--brand-blue);
    }
    .faq-a {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.25s ease-out;
      background: #FDFDFE;
    }
    .faq-a-inner {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.75;
      border-top: 1px solid #F1F4F9;
    }

    /* 12. Inquiry CTA Form (底部工程咨询) */
    .inquiry-box {
      background: var(--primary);
      border-radius: var(--radius-md);
      padding: 56px 48px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 48px;
      align-items: center;
    }
    .inquiry-info h2 {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .inquiry-info p {
      font-size: 15px;
      color: #BAC2CC;
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .inquiry-direct {
      font-family: var(--font-mono);
      font-size: 14px;
      color: var(--primary-accent);
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 16px;
    }

    .inquiry-form {
      background: #FFFFFF;
      border-radius: var(--radius-sm);
      padding: 32px;
      color: var(--text-main);
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group.full {
      grid-column: span 2;
    }
    .form-group label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
    }
    .form-control {
      padding: 10px 12px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      outline: none;
      font-family: inherit;
    }
    .form-control:focus {
      border-color: var(--brand-blue);
    }
    .btn-submit {
      width: 100%;
      background: var(--brand-blue);
      color: #FFFFFF;
      border: none;
      padding: 12px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      margin-top: 8px;
    }
    .btn-submit:hover {
      background: #1450b3;
    }

    /* Footer */
    .site-footer {
      background: #0D0F12;
      color: #8C96A5;
      padding: 72px 0 32px 0;
      border-top: 1px solid #1F242D;
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 56px;
    }
    .footer-brand h4 {
      color: #FFFFFF;
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-col h5 {
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--primary-accent);
    }
    .footer-bottom {
      border-top: 1px solid #1B1E26;
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }
    .footer-mono {
      font-family: var(--font-mono);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .adv-grid { grid-template-columns: repeat(2, 1fr); }
      .products-grid { grid-template-columns: repeat(2, 1fr); }
      .scenarios-grid { grid-template-columns: repeat(2, 1fr); }
      .testi-grid { grid-template-columns: repeat(2, 1fr); }
      .news-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .top-bar { display: none; }
      .main-menu { display: none; }
      .nav-cta .btn-nav { display: none; }
      .menu-toggle { display: block; }
      
      .hero-h1 { font-size: 30px; }
      .hero-search-wrapper { flex-direction: column; }
      .intro-grid { grid-template-columns: 1fr; }
      .adv-grid { grid-template-columns: 1fr; }
      .products-grid { grid-template-columns: 1fr; }
      .scenarios-grid { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
      .stat-item:not(:last-child)::after { display: none; }
      .case-row { grid-template-columns: 1fr; }
      .case-row.reverse { direction: ltr; }
      .user-stories-grid { grid-template-columns: 1fr; }
      .testi-grid { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .inquiry-box { grid-template-columns: 1fr; padding: 32px 20px; }
      .form-grid { grid-template-columns: 1fr; }
      .form-group.full { grid-column: span 1; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    }

    /* Mobile Drawer */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 72px;
      left: 0;
      right: 0;
      bottom: 0;
      background: #FFFFFF;
      z-index: 998;
      padding: 24px;
      flex-direction: column;
      gap: 18px;
    }
    .mobile-drawer.open {
      display: flex;
    }
    .mobile-drawer a {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      padding: 10px 0;
      border-bottom: 1px solid var(--border-color);
    }