/* roulang page: index */
:root {
      --primary: #1D63ED;
      --primary-hover: #154ec1;
      --accent: #00C288;
      --dark: #0F172A;
      --dark-card: #1E293B;
      --gray-light: #F8FAFC;
      --gray-border: #E2E8F0;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-sub: #64748B;
      --white: #FFFFFF;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
      --shadow-xl: 0 20px 25px -5px rgba(29, 99, 237, 0.12), 0 10px 10px -5px rgba(29, 99, 237, 0.04);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: var(--font-sans);
      background-color: var(--gray-light);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

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

    .container {
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* Top Bar & Navigation */
    .top-bar {
      background: var(--dark);
      color: #94A3B8;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-info-group {
      display: flex;
      gap: 20px;
    }
    .top-badge-auth {
      color: var(--accent);
      display: flex;
      align-items: center;
      gap: 6px;
      font-weight: 500;
    }

    .main-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      box-shadow: 0 1px 4px rgba(0,0,0,0.05);
      transition: all 0.3s ease;
    }
    .main-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .brand-logo svg {
      width: 32px;
      height: 32px;
      fill: var(--primary);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      transition: color 0.2s ease;
      position: relative;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--primary);
    }
    .nav-cta-btn {
      background: var(--primary);
      color: var(--white);
      font-size: 14px;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-full);
      transition: background 0.2s, transform 0.2s;
      display: inline-block;
    }
    .nav-cta-btn:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }
    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: 0.3s;
    }

    /* Section Layouts */
    section {
      padding: 88px 0;
      position: relative;
    }
    .section-white { background: var(--white); }
    .section-gray { background: var(--gray-light); }
    .section-dark { background: var(--dark); color: var(--white); }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 56px auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      background: rgba(29, 99, 237, 0.08);
      padding: 4px 14px;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-tag.tag-green {
      color: var(--accent);
      background: rgba(0, 194, 136, 0.12);
    }
    .section-title {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-dark .section-title {
      color: var(--white);
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-sub);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* Component: Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 28px;
      border-radius: var(--radius-md);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
    }
    .btn-primary {
      background: var(--primary);
      color: var(--white);
      box-shadow: 0 4px 14px rgba(29, 99, 237, 0.35);
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: var(--white);
      color: var(--text-main);
      border-color: var(--gray-border);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #F0F7FF;
    }
    .btn-accent {
      background: var(--accent);
      color: var(--white);
    }
    .btn-accent:hover {
      filter: brightness(0.95);
      transform: translateY(-2px);
    }

    /* Section 1: Hero */
    .hero-section {
      background: linear-gradient(180deg, #F0F5FF 0%, #F8FAFC 100%);
      padding: 60px 0 90px 0;
      border-bottom: 1px solid var(--gray-border);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-badge-live {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #EBF2FF;
      color: var(--primary);
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 20px;
      border: 1px solid rgba(29, 99, 237, 0.2);
    }
    .live-dot {
      width: 8px;
      height: 8px;
      background: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(0, 194, 136, 0.2);
    }
    .hero-title {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-title span {
      color: var(--primary);
    }
    .hero-summary {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 32px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-trust-bar {
      display: flex;
      gap: 28px;
      border-top: 1px solid var(--gray-border);
      padding-top: 24px;
    }
    .trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-sub);
    }
    .trust-item svg {
      width: 18px;
      height: 18px;
      fill: var(--accent);
    }

    .hero-visual-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-xl);
      border: 1px solid rgba(226, 232, 240, 0.8);
      position: relative;
    }
    .visual-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid var(--gray-border);
    }
    .ticket-chip {
      background: #E6FBF4;
      color: #00875A;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      font-size: 12px;
      font-weight: 700;
    }
    .visual-seat-map {
      background: #0F172A;
      border-radius: var(--radius-md);
      padding: 24px;
      color: var(--white);
      text-align: center;
      margin-bottom: 20px;
      position: relative;
      overflow: hidden;
    }
    .seat-screen {
      height: 6px;
      background: linear-gradient(90deg, transparent, var(--primary), transparent);
      border-radius: 4px;
      margin: 0 auto 20px auto;
      width: 65%;
    }
    .seat-row {
      display: flex;
      justify-content: center;
      gap: 8px;
      margin-bottom: 10px;
    }
    .seat-dot {
      width: 16px;
      height: 16px;
      border-radius: 4px;
      background: #334155;
    }
    .seat-dot.selected {
      background: var(--primary);
      box-shadow: 0 0 10px var(--primary);
    }
    .seat-dot.occupied {
      background: #1E293B;
      opacity: 0.5;
    }
    .seat-status-bar {
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      color: var(--text-sub);
    }

    /* Section 2: Painpoints VS Solutions */
    .compare-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .compare-box {
      background: var(--white);
      border-radius: var(--radius-lg);
      padding: 32px;
      border: 1px solid var(--gray-border);
      box-shadow: var(--shadow-sm);
    }
    .compare-box.bad {
      border-top: 4px solid #EF4444;
      background: #FFFBFB;
    }
    .compare-box.good {
      border-top: 4px solid var(--primary);
      background: #F8FAFF;
      box-shadow: var(--shadow-md);
    }
    .compare-box-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .compare-list {
      list-style: none;
    }
    .compare-list li {
      margin-bottom: 16px;
      font-size: 15px;
      color: var(--text-muted);
      display: flex;
      align-items: flex-start;
      gap: 12px;
      line-height: 1.6;
    }
    .compare-list li strong {
      color: var(--text-main);
    }

    /* Section 3: Architecture & Security */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .arch-feature-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .arch-item {
      display: flex;
      gap: 18px;
      padding: 18px;
      background: var(--white);
      border-radius: var(--radius-md);
      border: 1px solid var(--gray-border);
      box-shadow: var(--shadow-sm);
      transition: border-color 0.2s;
    }
    .arch-item:hover {
      border-color: var(--primary);
    }
    .arch-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(29, 99, 237, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      flex-shrink: 0;
    }
    .arch-text h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 4px;
      color: var(--text-main);
    }
    .arch-text p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.6;
    }
    .arch-image-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-xl);
      position: relative;
    }

    /* Section 4: Advantages Matrix */
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .adv-card {
      background: var(--white);
      border: 1px solid var(--gray-border);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      transition: all 0.3s ease;
      box-shadow: var(--shadow-sm);
    }
    .adv-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-xl);
      border-color: rgba(29, 99, 237, 0.3);
    }
    .adv-icon-box {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, #1D63ED 0%, #4F86F7 100%);
      color: var(--white);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }
    .adv-card h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .adv-card p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
    }

    /* Section 5: Matches Catalog */
    .match-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .match-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--gray-border);
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .match-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-xl);
    }
    .match-thumb {
      height: 190px;
      position: relative;
      overflow: hidden;
    }
    .match-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .match-card:hover .match-thumb img {
      transform: scale(1.05);
    }
    .match-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(15, 23, 42, 0.85);
      color: var(--white);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      font-size: 12px;
      font-weight: 600;
      backdrop-filter: blur(4px);
    }
    .match-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .match-meta {
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 8px;
    }
    .match-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
      line-height: 1.4;
    }
    .match-venue {
      font-size: 14px;
      color: var(--text-sub);
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .match-footer {
      margin-top: auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 16px;
      border-top: 1px solid var(--gray-border);
    }
    .match-price {
      font-size: 20px;
      font-weight: 800;
      color: #EF4444;
    }
    .match-price small {
      font-size: 12px;
      color: var(--text-sub);
      font-weight: 400;
    }

    /* Section 6: Dark Technology */
    .tech-step-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
    }
    .tech-step-card {
      background: var(--dark-card);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
    }
    .step-index {
      font-size: 32px;
      font-weight: 900;
      color: rgba(29, 99, 237, 0.4);
      margin-bottom: 12px;
      font-family: monospace;
    }
    .tech-step-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 8px;
    }
    .tech-step-card p {
      font-size: 13px;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* Section 7: Case Stories */
    .case-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 32px;
    }
    .case-card-main {
      background: var(--white);
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid var(--gray-border);
      box-shadow: var(--shadow-sm);
    }
    .case-side-wrap {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .case-card-sub {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--gray-border);
      box-shadow: var(--shadow-sm);
    }
    .case-tag-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      padding: 3px 8px;
      background: #EFF6FF;
      color: var(--primary);
      border-radius: 4px;
      margin-bottom: 12px;
    }

    /* Section 8: Metrics Counter */
    .metrics-bar {
      background: var(--white);
      border-top: 1px solid var(--gray-border);
      border-bottom: 1px solid var(--gray-border);
      padding: 48px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .metric-value {
      font-size: 42px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
      letter-spacing: -1px;
    }
    .metric-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* Section 9: Reviews Wall */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: var(--white);
      border: 1px solid var(--gray-border);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }
    .review-stars {
      color: #F59E0B;
      font-size: 16px;
      margin-bottom: 14px;
    }
    .review-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .author-info h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }
    .author-info p {
      font-size: 12px;
      color: var(--text-sub);
    }

    /* Section 10: News Digest */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--gray-border);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 13px;
      color: var(--text-sub);
      margin-bottom: 8px;
    }
    .news-card h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
      line-height: 1.4;
    }
    .news-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .news-link {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* Section 11: FAQ Accordion */
    .faq-container {
      max-width: 840px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--white);
      border: 1px solid var(--gray-border);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      font-size: 16px;
      color: var(--text-main);
      user-select: none;
    }
    .faq-icon {
      font-size: 18px;
      transition: transform 0.3s;
    }
    .faq-answer {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      display: none;
      border-top: 1px solid #F1F5F9;
      margin-top: -4px;
      padding-top: 14px;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* Section 12: CTA & Form */
    .cta-card {
      background: linear-gradient(135deg, #1D63ED 0%, #0F45B3 100%);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: var(--white);
      box-shadow: var(--shadow-xl);
    }
    .cta-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }
    .cta-info h2 {
      font-size: 36px;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.25;
    }
    .cta-info p {
      font-size: 16px;
      color: #BFDBFE;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-form {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 32px;
      color: var(--text-main);
      box-shadow: var(--shadow-md);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      margin-bottom: 6px;
    }
    .form-group input, .form-group select {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--gray-border);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s;
    }
    .form-group input:focus, .form-group select:focus {
      border-color: var(--primary);
    }
    .btn-submit {
      width: 100%;
      background: var(--primary);
      color: var(--white);
      padding: 13px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 700;
      border: none;
      cursor: pointer;
      transition: background 0.2s;
    }
    .btn-submit:hover {
      background: var(--primary-hover);
    }

    /* Footer */
    .site-footer {
      background: #0B1120;
      color: #94A3B8;
      padding: 70px 0 30px 0;
      border-top: 1px solid rgba(255,255,255,0.06);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-logo {
      font-size: 20px;
      font-weight: 800;
      color: var(--white);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-desc {
      font-size: 14px;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .footer-col h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      font-size: 14px;
      color: #94A3B8;
      transition: color 0.2s;
    }
    .footer-links a:hover {
      color: var(--white);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.08);
      padding-top: 24px;
      font-size: 13px;
      text-align: center;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid, .arch-grid, .case-grid, .cta-grid {
        grid-template-columns: 1fr;
      }
      .adv-grid, .match-grid, .tech-step-grid, .review-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar { display: none; }
      .nav-links, .nav-cta-btn { display: none; }
      .mobile-menu-btn { display: block; }
      
      .nav-links.mobile-active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 20px;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        border-bottom: 1px solid var(--gray-border);
      }

      .hero-title { font-size: 30px; }
      .section-title { font-size: 26px; }
      .adv-grid, .match-grid, .tech-step-grid, .review-grid, .news-grid, .compare-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .cta-card {
        padding: 36px 20px;
      }
      .hero-actions {
        flex-direction: column;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }