/* roulang page: index */
:root {
      --bg-base: #F8F9FA;
      --bg-dark: #12151A;
      --bg-dark-card: #1C222B;
      --brand-green: #2B382F;
      --brand-gold: #A68A68;
      --gold-light: #D1A153;
      --border-light: #E5E7EB;
      --border-dark: #2A3340;
      --text-main: #111827;
      --text-body: #4B5563;
      --text-muted: #9CA3AF;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-card: 0 4px 12px rgba(18, 21, 26, 0.06);
      --shadow-hover: 0 10px 24px rgba(18, 21, 26, 0.1);
      --container: 1200px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    button, input, select, textarea {
      font: inherit;
    }

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

    /* Top Utility Bar */
    .top-bar {
      background-color: #0E1116;
      color: #9CA3AF;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid #1E2530;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .top-bar-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .badge-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--gold-light);
      display: inline-block;
    }

    /* Main Navigation */
    .site-header {
      background-color: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(8px);
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 1px 4px rgba(0,0,0,0.06);
      border-bottom: 1px solid var(--border-light);
    }
    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--brand-green);
      letter-spacing: -0.02em;
    }
    .brand-logo svg {
      width: 32px;
      height: 32px;
      fill: var(--brand-green);
    }
    .nav-menu {
      display: flex;
      list-style: none;
      align-items: center;
      gap: 28px;
    }
    .nav-menu a {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      padding: 6px 0;
    }
    .nav-menu a:hover,
    .nav-menu a.active {
      color: var(--brand-green);
    }
    .nav-menu a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--brand-gold);
      transition: var(--transition);
    }
    .nav-menu a:hover::after,
    .nav-menu a.active::after {
      width: 100%;
    }
    .header-cta-btn {
      background-color: var(--brand-green);
      color: #fff;
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      font-size: 13.5px;
      font-weight: 600;
      border: 1px solid var(--brand-green);
    }
    .header-cta-btn:hover {
      background-color: #1F2822;
      box-shadow: 0 4px 10px rgba(43, 56, 47, 0.25);
    }

    /* Common Section Styles */
    .section {
      padding: 88px 0;
      position: relative;
    }
    .section-alt {
      background-color: #FFFFFF;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #FFFFFF;
    }
    .section-header {
      margin-bottom: 56px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .eyebrow {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--brand-gold);
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: var(--text-muted);
    }

    /* Section 1: Hero (Poster Cinematic Immersive) */
    .hero-cinematic {
      position: relative;
      background-color: #0B0E13;
      background-image: linear-gradient(180deg, rgba(11,14,19,0.78) 0%, rgba(11,14,19,0.92) 100%), url('/assets/images/e7c4556fb710402b.webp');
      background-size: cover;
      background-position: center;
      color: #FFFFFF;
      padding: 110px 0 90px;
      overflow: hidden;
      border-bottom: 1px solid var(--border-dark);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: rgba(166, 138, 104, 0.16);
      border: 1px solid rgba(209, 161, 83, 0.35);
      border-radius: 30px;
      font-size: 12.5px;
      color: #F1D8B4;
      margin-bottom: 24px;
    }
    .hero-title {
      font-size: 2.85rem;
      font-weight: 700;
      line-height: 1.18;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
      color: #FFFFFF;
    }
    .hero-title span {
      color: var(--gold-light);
    }
    .hero-paragraph {
      font-size: 15.5px;
      color: #D1D5DB;
      line-height: 1.8;
      margin-bottom: 34px;
      max-width: 620px;
    }
    .hero-action-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }
    .btn-gold {
      background-color: var(--brand-gold);
      color: #FFFFFF;
      font-weight: 600;
      padding: 13px 28px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid var(--gold-light);
    }
    .btn-gold:hover {
      background-color: #B99C79;
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(166, 138, 104, 0.35);
    }
    .btn-outline-light {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #FFFFFF;
      font-weight: 600;
      padding: 13px 26px;
      border-radius: var(--radius-sm);
    }
    .btn-outline-light:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: #FFFFFF;
      transform: translateY(-2px);
    }
    .hero-poster-box {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.14);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
      background: #171C24;
    }
    .hero-poster-img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .hero-poster-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 22px;
      background: linear-gradient(180deg, transparent 0%, rgba(14, 17, 22, 0.95) 85%);
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
    }
    .hero-kpi-pill {
      font-size: 13px;
      color: #F3F4F6;
      background: rgba(0, 0, 0, 0.6);
      padding: 6px 12px;
      border-radius: 4px;
      border: 1px solid rgba(209, 161, 83, 0.4);
    }

    /* Section 2: Pain Points (Red Warn Hairline Cards) */
    .pain-cards-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .pain-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-top: 3px solid #E05252;
      border-radius: var(--radius-sm);
      padding: 28px 22px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .pain-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-card);
    }
    .pain-tag {
      font-size: 12px;
      font-weight: 700;
      color: #E05252;
      margin-bottom: 12px;
      display: block;
    }
    .pain-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .pain-card p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* Section 3: About & Specs */
    .about-specs-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .about-img-wrap {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-light);
    }
    .about-img-wrap img {
      width: 100%;
      height: 440px;
      object-fit: cover;
    }
    .about-specs-list {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
      margin-top: 28px;
    }
    .spec-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 14px 18px;
      background: #F3F4F6;
      border-left: 3px solid var(--brand-green);
      border-radius: var(--radius-sm);
    }
    .spec-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
    }
    .spec-value {
      font-size: 14px;
      font-family: Menlo, Consolas, Monaco, monospace;
      color: var(--brand-green);
      font-weight: 700;
    }

    /* Section 4: Timeline / Steps */
    .steps-timeline-wrap {
      position: relative;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .step-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      padding: 30px 22px;
      position: relative;
    }
    .step-num {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--brand-green);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .step-title {
      font-size: 16.5px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .step-card p {
      font-size: 13.5px;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* Section 5: Advantages 6 Grid */
    .grid-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: #FFFFFF;
      padding: 32px 26px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-light);
      transition: var(--transition);
    }
    .adv-card:hover {
      border-color: var(--brand-gold);
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }
    .adv-icon {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: rgba(43, 56, 47, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--brand-green);
    }
    .adv-icon svg {
      width: 24px;
      height: 24px;
      stroke: currentColor;
    }
    .adv-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .adv-card p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* Section 6: Hot Products 3 Cards */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .product-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .product-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--brand-gold);
    }
    .product-thumb {
      height: 230px;
      width: 100%;
      object-fit: cover;
      background: #F3F4F6;
    }
    .product-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .product-category {
      font-size: 12px;
      font-weight: 700;
      color: var(--brand-gold);
      text-transform: uppercase;
      margin-bottom: 6px;
    }
    .product-name {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .product-desc {
      font-size: 13.5px;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .product-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 22px;
    }
    .product-tag {
      font-size: 12px;
      background: #F3F4F6;
      color: #374151;
      padding: 4px 8px;
      border-radius: 3px;
    }
    .product-link {
      margin-top: auto;
      font-size: 13.5px;
      font-weight: 600;
      color: var(--brand-green);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .product-link:hover {
      color: var(--brand-gold);
    }

    /* Section 7: Dark Cases & Philosophy */
    .cases-philosophy-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 48px;
      align-items: center;
    }
    .case-card-dark {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-dark);
    }
    .case-card-dark img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }
    .case-card-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: linear-gradient(180deg, transparent 0%, rgba(18, 21, 26, 0.95) 80%);
      padding: 24px;
    }
    .case-title {
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 8px;
    }
    .case-desc {
      font-size: 13.5px;
      color: #D1D5DB;
      line-height: 1.6;
    }
    .philo-quote {
      font-size: 1.45rem;
      font-weight: 600;
      line-height: 1.5;
      color: var(--gold-light);
      margin-bottom: 20px;
      padding-left: 20px;
      border-left: 3px solid var(--brand-gold);
    }
    .philo-text {
      font-size: 15px;
      color: #9CA3AF;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    /* Section 8: Stats Counter Bar */
    .stats-matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .stat-box {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      padding: 32px 20px;
      text-align: center;
      border-radius: var(--radius-sm);
    }
    .stat-number {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--brand-green);
      font-family: Menlo, Consolas, Monaco, monospace;
      margin-bottom: 8px;
      line-height: 1;
    }
    .stat-label {
      font-size: 13.5px;
      color: var(--text-body);
      font-weight: 500;
    }

    /* Section 9: Stories */
    .story-hero-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1fr;
      box-shadow: var(--shadow-card);
    }
    .story-img {
      width: 100%;
      height: 100%;
      min-height: 380px;
      object-fit: cover;
    }
    .story-content {
      padding: 44px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .story-role {
      font-size: 12px;
      font-weight: 700;
      color: var(--brand-gold);
      letter-spacing: 0.08em;
      margin-bottom: 12px;
    }
    .story-heading {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.4;
    }
    .story-text {
      font-size: 14.5px;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .story-author {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 16px;
      border-top: 1px solid var(--border-light);
    }
    .author-name {
      font-weight: 700;
      font-size: 15px;
      color: var(--text-main);
    }
    .author-title {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* Section 10: Reviews (Masonry/3-Col) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      padding: 32px 24px;
      border-radius: var(--radius-sm);
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }
    .review-stars {
      color: #F59E0B;
      font-size: 14px;
      margin-bottom: 14px;
    }
    .review-body {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .review-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid #F3F4F6;
      padding-top: 14px;
      font-size: 13px;
    }
    .reviewer-identity {
      font-weight: 700;
      color: var(--text-main);
    }
    .reviewer-project {
      color: var(--brand-gold);
    }

    /* Section 11: News */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .news-img {
      height: 200px;
      width: 100%;
      object-fit: cover;
    }
    .news-inner {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 16.5px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.45;
      margin-bottom: 12px;
    }
    .news-snippet {
      font-size: 13.5px;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .news-more-btn {
      margin-top: auto;
      font-size: 13px;
      font-weight: 600;
      color: var(--brand-green);
    }
    .news-more-btn:hover {
      color: var(--brand-gold);
    }

    /* Section 12: FAQ Accordion */
    .faq-container {
      max-width: 820px;
      margin: 0 auto;
    }
    .faq-item {
      border: 1px solid var(--border-light);
      background: #FFFFFF;
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-trigger {
      width: 100%;
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: none;
      border: none;
      text-align: left;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      transition: var(--transition);
    }
    .faq-trigger:hover {
      background-color: #F9FAFB;
      color: var(--brand-green);
    }
    .faq-icon {
      font-size: 18px;
      color: var(--brand-gold);
      transition: transform 0.25s ease;
    }
    .faq-content {
      padding: 0 24px 22px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.75;
      display: none;
    }
    .faq-item.active .faq-content {
      display: block;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* Section 13: CTA Form Area */
    .cta-wrapper {
      background: radial-gradient(circle at top right, #1F2822 0%, #12151A 100%);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 64px 48px;
      color: #FFFFFF;
      text-align: center;
      box-shadow: var(--shadow-hover);
    }
    .cta-heading {
      font-size: 2.1rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: #FFFFFF;
    }
    .cta-subtext {
      font-size: 15px;
      color: #9CA3AF;
      max-width: 640px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }
    .cta-form {
      max-width: 740px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr 1fr auto;
      gap: 12px;
    }
    .form-input, .form-select {
      background: #1C222B;
      border: 1px solid #2E3846;
      color: #FFFFFF;
      padding: 13px 16px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      width: 100%;
    }
    .form-input:focus, .form-select:focus {
      outline: none;
      border-color: var(--brand-gold);
    }
    .cta-submit-btn {
      background: var(--brand-gold);
      color: #FFFFFF;
      font-weight: 600;
      padding: 13px 28px;
      border-radius: var(--radius-sm);
      border: none;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }
    .cta-submit-btn:hover {
      background: #B99C79;
    }

    /* Footer */
    .site-footer {
      background-color: #0E1116;
      color: #9CA3AF;
      padding: 72px 0 32px;
      border-top: 1px solid #1C222B;
      font-size: 13.5px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 56px;
    }
    .footer-brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 14px;
    }
    .footer-desc {
      line-height: 1.7;
      color: #6B7280;
      margin-bottom: 18px;
      max-width: 320px;
    }
    .footer-title {
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 18px;
      letter-spacing: 0.05em;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--brand-gold);
    }
    .footer-contact-item {
      margin-bottom: 10px;
      line-height: 1.6;
      color: #9CA3AF;
    }
    .footer-contact-item strong {
      color: #E5E7EB;
    }
    .footer-bottom {
      border-top: 1px solid #1A212B;
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
      color: #6B7280;
    }

    /* Responsive Breakpoints */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .pain-cards-grid,
      .steps-timeline-wrap,
      .stats-matrix-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-6,
      .products-grid,
      .reviews-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-form {
        grid-template-columns: 1fr 1fr;
      }
      .cta-submit-btn {
        grid-column: span 2;
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: 60px 0;
      }
      .hero-cinematic {
        padding: 70px 0;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .about-specs-grid,
      .cases-philosophy-grid,
      .story-hero-card {
        grid-template-columns: 1fr;
      }
      .pain-cards-grid,
      .steps-timeline-wrap,
      .stats-matrix-grid,
      .grid-6,
      .products-grid,
      .reviews-grid,
      .news-grid {
        grid-template-columns: 1fr;
      }
      .nav-menu {
        display: none;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .cta-form {
        grid-template-columns: 1fr;
      }
      .cta-submit-btn {
        grid-column: span 1;
      }
    }