*,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    :root {
      --bg-base: #fafbff;
      --bg-gradient: linear-gradient(145deg, #ffffff 0%, #f4f7ff 60%, #fdf4ff 100%);
      --primary: #4f46e5;
      --primary-light: #6366f1;
      --accent: #d946ef;
      --accent-light: #e879f9;
      --teal: #14b8a6;
      --orange: #f97316;
      --text-dark: #1e1b4b;
      --text-body: #334155;
      --text-muted: #64748b;
      --card-bg: #ffffff;
      --border-soft: #e9eaf3;
      --radius-card: 24px;
      --radius-sm: 14px;
      --shadow-sm: 0 8px 24px rgba(79, 70, 229, 0.06);
      --shadow-md: 0 16px 40px rgba(79, 70, 229, 0.10);
      --shadow-lg: 0 24px 64px rgba(79, 70, 229, 0.12);
      --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
      --container: 1200px;
      --nav-gap: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: var(--font);
      background: var(--bg-base);
      background-image: var(--bg-gradient);
      background-attachment: fixed;
      color: var(--text-body);
      line-height: 1.6;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    .container {
      width: 100%;
      max-width: var(--container);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    /* ========== HEADER ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(14px);
      background: rgba(255, 255, 255, 0.82);
      border-bottom: 1px solid rgba(233, 234, 243, 0.7);
      transition: box-shadow 0.25s;
    }
    .site-header.scrolled {
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 72px;
      gap: 16px;
      flex-wrap: wrap;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      flex-shrink: 0;
    }
    .brand img {
      max-height: 40px;
      width: auto;
    }
    .brand-name {
      font-weight: 700;
      font-size: 1.25rem;
      color: var(--text-dark);
      letter-spacing: -0.02em;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
      flex-wrap: wrap;
    }
    .nav-links li {
      display: inline-flex;
      margin: 0 2px;
    }
    .nav-links a {
      display: inline-block;
      padding: 8px 12px;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-body);
      text-decoration: none;
      border-radius: 8px;
      transition: color 0.2s, background 0.2s;
    }
    .nav-links a:hover {
      color: var(--primary);
      background: rgba(79, 70, 229, 0.06);
    }
    .nav-cta {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-weight: 600;
      font-size: 0.92rem;
      border-radius: 999px;
      border: none;
      cursor: pointer;
      text-decoration: none;
      transition: all 0.25s ease;
      line-height: 1.4;
      gap: 6px;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #ffffff;
      box-shadow: 0 8px 20px rgba(79, 70, 229, 0.28);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(79, 70, 229, 0.36);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--border-soft);
      color: var(--text-dark);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(79, 70, 229, 0.04);
    }
    .btn-lg {
      padding: 14px 32px;
      font-size: 1rem;
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      width: 40px;
      height: 40px;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      cursor: pointer;
      border-radius: 10px;
    }
    .menu-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-dark);
      border-radius: 2px;
      transition: transform 0.2s, opacity 0.2s;
    }
    /* ========== HERO ========== */
    .hero {
      padding: 80px 0 64px;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute;
      top: -120px;
      right: -80px;
      width: 520px;
      height: 520px;
      background: radial-gradient(circle, rgba(217, 70, 239, 0.12) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }
    .hero::after {
      content: '';
      position: absolute;
      bottom: -100px;
      left: -60px;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(20, 184, 166, 0.10) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }
    .hero-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: relative;
      z-index: 1;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      font-size: 0.82rem;
      font-weight: 600;
      border-radius: 999px;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.10), rgba(217, 70, 239, 0.10));
      color: var(--primary);
      border: 1px solid rgba(79, 70, 229, 0.12);
      margin-bottom: 24px;
      letter-spacing: 0.02em;
    }
    .hero h1 {
      font-size: clamp(2rem, 5vw, 3.2rem);
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.03em;
      color: var(--text-dark);
      max-width: 800px;
      margin-bottom: 20px;
    }
    .hero h1 .highlight {
      background: linear-gradient(135deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero-desc {
      font-size: 1.1rem;
      color: var(--text-muted);
      max-width: 620px;
      margin-bottom: 36px;
      line-height: 1.7;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
      margin-bottom: 32px;
    }
    .hero-metrics {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
      width: 100%;
      max-width: 880px;
    }
    .metric-card {
      flex: 1 1 160px;
      background: rgba(255, 255, 255, 0.7);
      backdrop-filter: blur(8px);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-sm);
      padding: 20px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s, box-shadow 0.25s;
    }
    .metric-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .metric-value {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-dark);
      letter-spacing: -0.02em;
      line-height: 1.2;
    }
    .metric-value span {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-muted);
    }
    .metric-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-top: 4px;
      font-weight: 500;
    }
    /* ========== SECTION COMMON ========== */
    .section {
      padding: 72px 0;
    }
    .section-alt {
      background: rgba(255, 255, 255, 0.55);
      backdrop-filter: blur(4px);
    }
    .section-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--primary);
      background: rgba(79, 70, 229, 0.08);
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 14px;
    }
    .section-header h2 {
      font-size: clamp(1.6rem, 3.4vw, 2.4rem);
      font-weight: 800;
      color: var(--text-dark);
      letter-spacing: -0.02em;
      line-height: 1.25;
      margin-bottom: 12px;
    }
    .section-header p {
      font-size: 1.02rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    /* ========== CARDS GRID ========== */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .service-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 28px 24px;
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      transition: transform 0.28s, box-shadow 0.28s;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }
    .service-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-dark);
    }
    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }
    .service-icon {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.10), rgba(217, 70, 239, 0.10));
    }
    /* ========== STEPS ========== */
    .steps-flow {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
      justify-content: center;
    }
    .step-item {
      flex: 1 1 180px;
      max-width: 240px;
      background: var(--card-bg);
      border-radius: var(--radius-sm);
      padding: 24px 20px;
      text-align: center;
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s;
    }
    .step-item:hover {
      transform: translateY(-4px);
    }
    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
      font-weight: 700;
      font-size: 0.9rem;
      margin-bottom: 14px;
    }
    .step-item h4 {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 6px;
    }
    .step-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.55;
    }
    /* ========== TABLE ========== */
    .table-wrap {
      overflow-x: auto;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-soft);
      background: #fff;
    }
    table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.92rem;
      min-width: 620px;
    }
    thead {
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.06), rgba(217, 70, 239, 0.06));
    }
    th {
      padding: 16px 18px;
      text-align: left;
      font-weight: 700;
      color: var(--text-dark);
      border-bottom: 1px solid var(--border-soft);
      white-space: nowrap;
    }
    td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border-soft);
      color: var(--text-body);
      vertical-align: top;
    }
    tbody tr:last-child td {
      border-bottom: none;
    }
    tbody tr:hover {
      background: rgba(79, 70, 229, 0.02);
    }
    .rating-stars {
      color: #f59e0b;
      font-size: 1.1rem;
      letter-spacing: 2px;
    }
    /* ========== FAQ ========== */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      max-width: 840px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--card-bg);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: box-shadow 0.25s;
    }
    .faq-item:hover {
      box-shadow: var(--shadow-md);
    }
    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 22px;
      cursor: pointer;
      font-weight: 600;
      color: var(--text-dark);
      font-size: 0.98rem;
      gap: 16px;
      user-select: none;
      transition: background 0.2s;
    }
    .faq-question:hover {
      background: rgba(79, 70, 229, 0.03);
    }
    .faq-question .arrow {
      font-size: 1.2rem;
      transition: transform 0.3s;
      color: var(--primary);
      flex-shrink: 0;
    }
    .faq-item.active .arrow {
      transform: rotate(180deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.3s;
      padding: 0 22px;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.7;
    }
    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 0 22px 20px;
    }
    /* ========== REVIEWS ========== */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .review-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 24px;
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s, box-shadow 0.25s;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .review-text {
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.7;
      flex: 1;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 10px;
      padding-top: 12px;
      border-top: 1px solid var(--border-soft);
    }
    .review-avatar {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 700;
      font-size: 0.8rem;
    }
    .review-name {
      font-weight: 600;
      font-size: 0.85rem;
      color: var(--text-dark);
    }
    .review-role {
      font-size: 0.75rem;
      color: var(--text-muted);
    }
    /* ========== FORM ========== */
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group.full {
      grid-column: 1 / -1;
    }
    .form-group label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-dark);
    }
    .form-group input,
    .form-group select,
    .form-group textarea {
      padding: 12px 16px;
      border-radius: 12px;
      border: 1px solid var(--border-soft);
      font-family: inherit;
      font-size: 0.92rem;
      color: var(--text-dark);
      background: #fbfcff;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.10);
    }
    .form-group textarea {
      resize: vertical;
      min-height: 100px;
    }
    .form-submit {
      margin-top: 8px;
      align-self: flex-start;
    }
    /* ========== FOOTER ========== */
    .site-footer {
      background: #1e1b4b;
      color: #c7d2fe;
      padding: 56px 0 24px;
      margin-top: 40px;
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 32px;
      margin-bottom: 36px;
    }
    .footer-brand .brand-name {
      color: #fff;
      font-size: 1.2rem;
      margin-bottom: 10px;
      display: block;
    }
    .footer-brand p {
      color: #a5b4fc;
      line-height: 1.7;
      font-size: 0.86rem;
    }
    .footer-col h4 {
      color: #fff;
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-col a {
      color: #a5b4fc;
      text-decoration: none;
      font-size: 0.86rem;
      transition: color 0.2s;
    }
    .footer-col a:hover {
      color: #e0e7ff;
    }
    .footer-contact-item {
      display: flex;
      gap: 8px;
      align-items: flex-start;
      color: #a5b4fc;
      font-size: 0.86rem;
      line-height: 1.6;
    }
    .footer-contact-item strong {
      color: #dbeafe;
      font-weight: 600;
    }
    .footer-bottom {
      border-top: 1px solid rgba(165, 180, 252, 0.18);
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      font-size: 0.82rem;
      color: #818cf8;
    }
    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 6px 16px;
      align-items: center;
    }
    .friend-links a {
      color: #a5b4fc;
      text-decoration: none;
      font-size: 0.8rem;
      transition: color 0.2s;
    }
    .friend-links a:hover {
      color: #e0e7ff;
    }
    /* ========== FLOATING ========== */
    .floating-contact {
      position: fixed;
      bottom: 28px;
      right: 28px;
      z-index: 90;
      display: flex;
      flex-direction: column;
      gap: 12px;
      align-items: flex-end;
    }
    .float-btn {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
      cursor: pointer;
      border: none;
      transition: transform 0.25s, box-shadow 0.25s;
      text-decoration: none;
    }
    .float-btn:hover {
      transform: translateY(-3px) scale(1.04);
      box-shadow: 0 12px 32px rgba(79, 70, 229, 0.45);
    }
    .float-back-top {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #fff;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-soft);
      cursor: pointer;
      transition: transform 0.25s, box-shadow 0.25s;
      opacity: 0;
      pointer-events: none;
    }
    .float-back-top.visible {
      opacity: 1;
      pointer-events: auto;
    }
    .float-back-top:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }
    /* ========== ANIMATIONS ========== */
    .fade-in {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }
    /* ========== MISC ========== */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }
    .tag {
      padding: 6px 16px;
      border-radius: 999px;
      font-size: 0.82rem;
      font-weight: 500;
      background: #fff;
      border: 1px solid var(--border-soft);
      color: var(--text-body);
      transition: all 0.2s;
    }
    .tag:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(79, 70, 229, 0.04);
      transform: translateY(-1px);
    }
    .article-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .article-item {
      background: var(--card-bg);
      border-radius: var(--radius-sm);
      padding: 20px;
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s, box-shadow 0.25s;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .article-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .article-item h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-dark);
      line-height: 1.4;
    }
    .article-item p {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .article-item a {
      font-size: 0.82rem;
      color: var(--primary);
      font-weight: 600;
      text-decoration: none;
      margin-top: auto;
    }
    .article-item a:hover {
      text-decoration: underline;
    }
    .price-tip {
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.05), rgba(217, 70, 239, 0.05));
      border-radius: var(--radius-sm);
      padding: 20px 24px;
      border: 1px solid rgba(79, 70, 229, 0.10);
      text-align: center;
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.7;
    }
    .price-tip strong {
      color: var(--primary);
    }
    .network-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }
    .network-item {
      background: var(--card-bg);
      border-radius: var(--radius-sm);
      padding: 18px 14px;
      text-align: center;
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-dark);
      transition: transform 0.2s;
    }
    .network-item:hover {
      transform: translateY(-2px);
    }
    .network-item span {
      display: block;
      font-size: 0.75rem;
      font-weight: 400;
      color: var(--text-muted);
      margin-top: 4px;
    }
    /* ========== RESPONSIVE ========== */
    @media (max-width: 1024px) {
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .review-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .network-grid { grid-template-columns: repeat(2, 1fr); }
      .article-list { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .header-inner {
        flex-wrap: wrap;
        min-height: 64px;
      }
      .nav-links {
        display: none;
        width: 100%;
        order: 3;
        padding: 8px 0 12px;
        border-top: 1px solid var(--border-soft);
        flex-direction: column;
        align-items: stretch;
      }
      .nav-links.open {
        display: flex;
      }
      .nav-links li {
        margin: 0;
      }
      .nav-links a {
        display: block;
        padding: 10px 12px;
        width: 100%;
      }
      .menu-toggle {
        display: flex;
      }
      .nav-cta .btn-outline {
        display: none;
      }
      .grid-3, .grid-2, .review-grid, .form-grid {
        grid-template-columns: 1fr;
      }
      .article-list { grid-template-columns: 1fr; }
      .hero { padding: 56px 0 40px; }
      .hero-metrics { gap: 10px; }
      .metric-card { flex: 1 1 100px; padding: 14px 10px; }
      .metric-value { font-size: 1.4rem; }
      .section { padding: 48px 0; }
      .footer-grid { grid-template-columns: 1fr; gap: 24px; }
      .network-grid { grid-template-columns: repeat(2, 1fr); }
      .floating-contact { bottom: 18px; right: 18px; }
      .footer-bottom { flex-direction: column; align-items: flex-start; }
      .steps-flow { flex-direction: column; align-items: center; }
      .step-item { max-width: 100%; width: 100%; }
      .table-wrap { border-radius: 16px; }
    }
    @media (max-width: 480px) {
      .container { padding-left: 16px; padding-right: 16px; }
      .hero-actions { flex-direction: column; align-items: center; width: 100%; }
      .hero-actions .btn { width: 100%; max-width: 280px; }
      .network-grid { grid-template-columns: 1fr 1fr; }
    }