:root {
      --primary: #4f46e5;
      --primary-gradient: linear-gradient(135deg, #ff4e50 0%, #f9d423 25%, #2575fc 60%, #6a11cb 100%);
      --rainbow-accent: linear-gradient(90deg, #ff4e50, #f9a03f, #f9d423, #43e97b, #00c6ff, #6a11cb);
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-sub: #64748b;
      --border-color: #e2e8f0;
      --border-focus: #818cf8;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 10px 25px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
      --shadow-rainbow: 0 10px 30px -5px rgba(99, 102, 241, 0.2);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

    /* Consistent Container System */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
      box-sizing: border-box;
    }

    /* Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }

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

    .logo-box {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
      color: var(--text-main);
    }

    .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }

    .logo-text {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, #ff4e50, #2575fc);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

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

    .nav-links li {
      margin: 0;
      padding: 0;
    }

    .nav-links a {
      display: block;
      padding: 8px 14px;
      font-size: 0.93rem;
      font-weight: 600;
      color: var(--text-muted);
      text-decoration: none;
      transition: all 0.2s ease;
      border-radius: var(--radius-sm);
    }

    .nav-links a:hover {
      color: var(--primary);
      background: #f1f5f9;
    }

    .nav-cta-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 0.92rem;
      font-weight: 700;
      color: #ffffff !important;
      background: linear-gradient(135deg, #ff4e50 0%, #6a11cb 100%);
      border-radius: 50px;
      text-decoration: none;
      box-shadow: 0 4px 12px rgba(106, 17, 203, 0.25);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .nav-cta-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(106, 17, 203, 0.35);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
    }

    /* Section Global Headers */
    .section-padding {
      padding: 72px 0;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px auto;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: #4f46e5;
      background: #e0e7ff;
      border-radius: 20px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 1. HERO SECTION (NO IMAGES PER STRICT RULE) */
    .hero-section {
      position: relative;
      padding: 70px 0 60px 0;
      background: radial-gradient(circle at 50% 20%, rgba(255, 78, 80, 0.08) 0%, rgba(37, 117, 252, 0.06) 40%, rgba(248, 250, 252, 1) 80%);
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-badge-wrap {
      display: flex;
      justify-content: center;
      margin-bottom: 20px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      font-size: 0.88rem;
      font-weight: 700;
      color: #4338ca;
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid #c7d2fe;
      border-radius: 30px;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #ff4e50;
      box-shadow: 0 0 8px #ff4e50;
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      text-align: center;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title .rainbow-text {
      background: var(--rainbow-accent);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-subtext {
      max-width: 820px;
      margin: 0 auto 36px auto;
      text-align: center;
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .btn-main-official {
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 800;
      color: #ffffff;
      text-decoration: none;
      background: linear-gradient(135deg, #ff4e50 0%, #f9a03f 30%, #6a11cb 100%);
      border-radius: 50px;
      box-shadow: 0 6px 20px rgba(255, 78, 80, 0.35);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-main-official:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 10px 28px rgba(106, 17, 203, 0.4);
    }

    .btn-secondary {
      padding: 14px 28px;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-main);
      text-decoration: none;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 50px;
      box-shadow: var(--shadow-sm);
      transition: all 0.2s ease;
    }

    .btn-secondary:hover {
      background: #f1f5f9;
      border-color: #cbd5e1;
      transform: translateY(-2px);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      max-width: 1040px;
      margin: 0 auto;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      position: relative;
      overflow: hidden;
    }

    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--rainbow-accent);
    }

    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .stat-num {
      font-size: 1.75rem;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-sub);
      font-weight: 500;
    }

    /* 2. PLATFORM INTRO & MULTI-MODEL AGGREGATION */
    .rainbow-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .intro-feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .intro-feature-card:hover {
      border-color: #cbd5e1;
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .card-icon-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 48px;
      border-radius: 12px;
      font-size: 1.4rem;
      background: #eff6ff;
      color: #2563eb;
      margin-bottom: 18px;
    }

    .intro-feature-card h3 {
      font-size: 1.22rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .intro-feature-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Model Tag Cloud */
    .model-tags-container {
      margin-top: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .model-tags-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .model-tag {
      padding: 6px 14px;
      font-size: 0.86rem;
      font-weight: 600;
      color: var(--text-main);
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 20px;
      transition: all 0.2s ease;
    }

    .model-tag:hover {
      background: #eff6ff;
      border-color: #93c5fd;
      color: #1d4ed8;
      transform: translateY(-2px);
    }

    /* 3. AIGC ONE-STOP WORKFLOW SUITE */
    .workflow-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 20px;
    }

    .workflow-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.25s ease;
      position: relative;
    }

    .workflow-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: #cbd5e1;
    }

    .wf-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      background: #fef2f2;
      color: #ef4444;
      margin-bottom: 12px;
      align-self: flex-start;
    }

    .wf-badge.blue { background: #eff6ff; color: #2563eb; }
    .wf-badge.green { background: #f0fdf4; color: #16a34a; }
    .wf-badge.purple { background: #faf5ff; color: #9333ea; }
    .wf-badge.orange { background: #fff7ed; color: #ea580c; }

    .workflow-card h3 {
      font-size: 1.12rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .workflow-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 16px;
    }

    .wf-link {
      font-size: 0.86rem;
      font-weight: 700;
      color: var(--primary);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: gap 0.2s ease;
    }

    .wf-link:hover {
      gap: 8px;
    }

    /* 4. COMPARISON & RATING SECTION */
    .rating-banner {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--shadow-rainbow);
    }

    .rating-left h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 8px;
    }

    .rating-left p {
      color: #c7d2fe;
      font-size: 0.98rem;
    }

    .rating-score-box {
      display: flex;
      align-items: center;
      gap: 20px;
      background: rgba(255, 255, 255, 0.1);
      padding: 16px 28px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .score-big {
      font-size: 3rem;
      font-weight: 900;
      color: #fbbf24;
      line-height: 1;
    }

    .stars-box {
      display: flex;
      flex-direction: column;
    }

    .stars-gold {
      color: #fbbf24;
      font-size: 1.3rem;
      letter-spacing: 2px;
    }

    .score-denom {
      font-size: 0.85rem;
      color: #e0e7ff;
    }

    .table-container {
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.94rem;
    }

    .compare-table th {
      background: #f8fafc;
      padding: 16px 20px;
      font-weight: 700;
      color: var(--text-main);
      border-bottom: 1px solid var(--border-color);
    }

    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
      color: var(--text-muted);
    }

    .compare-table tr:hover td {
      background: #f8fafc;
    }

    .compare-table .highlight-col {
      background: #faf5ff;
      color: var(--text-main);
      font-weight: 600;
    }

    .badge-check {
      color: #16a34a;
      font-weight: bold;
    }

    /* 5. TOKEN PRICING TABLE */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 20px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .token-card.featured {
      border: 2px solid #818cf8;
      box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
      position: relative;
    }

    .token-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .token-price {
      font-size: 2rem;
      font-weight: 900;
      color: var(--text-main);
      margin: 12px 0 6px 0;
    }

    .token-price span {
      font-size: 0.9rem;
      font-weight: normal;
      color: var(--text-sub);
    }

    /* 6. REAL MEDIA & CASES SHOWCASE */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-bottom: 24px;
    }

    .media-banner-gallery {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .media-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .media-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .media-card-img-wrap {
      width: 100%;
      overflow: hidden;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .ai-page-image {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.3s ease;
    }

    .media-card:hover .ai-page-image {
      transform: scale(1.03);
    }

    .media-card-info {
      padding: 16px;
    }

    .media-card-info h4 {
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .media-card-info p {
      font-size: 0.86rem;
      color: var(--text-sub);
    }

    /* 7. STANDARD PROCESS */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-number {
      font-size: 1.8rem;
      font-weight: 900;
      background: var(--rainbow-accent);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 10px;
      line-height: 1;
    }

    .step-card h4 {
      font-size: 1.08rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 8. AGENT & PARTNER SECTION */
    .agent-box {
      background: linear-gradient(135deg, #eff6ff 0%, #faf5ff 50%, #fdf2f8 100%);
      border: 1px solid #e0e7ff;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .agent-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 24px;
    }

    .agent-item {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
    }

    .agent-item h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .agent-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 9. TESTIMONIALS (6 USER REVIEWS) */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform 0.2s ease;
    }

    .testimonial-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .testi-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #ff4e50, #6a11cb);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }

    .testi-info h4 {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .testi-info span {
      font-size: 0.82rem;
      color: var(--text-sub);
    }

    .testi-quote {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .testi-stars {
      color: #f59e0b;
      margin-top: 14px;
      font-size: 0.9rem;
    }

    /* 10. FAQ ACCORDION (10+ ITEMS) */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

    .faq-item.active {
      border-color: #818cf8;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      padding: 18px 22px;
      background: none;
      border: none;
      outline: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-main);
      text-align: left;
      cursor: pointer;
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--text-sub);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #f8fafc;
      padding: 0 22px;
    }

    .faq-item.active .faq-answer {
      padding: 14px 22px 20px 22px;
      max-height: 300px;
    }

    .faq-answer p {
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 11. ARTICLES & KNOWLEDGE SECTION */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 16px;
      margin-top: 20px;
    }

    .article-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 16px;
      text-decoration: none;
      display: block;
      transition: all 0.2s ease;
    }

    .article-card:hover {
      border-color: #93c5fd;
      background: #f0fdf4;
      transform: translateY(-2px);
    }

    .article-card h5 {
      font-size: 0.94rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .article-card span {
      font-size: 0.8rem;
      color: var(--text-sub);
      word-break: break-all;
    }

    /* 12. CONTACT & SUBMIT FORM */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .contact-info-col h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .contact-info-list {
      list-style: none;
      margin-bottom: 24px;
    }

    .contact-info-list li {
      margin-bottom: 12px;
      font-size: 0.94rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .contact-qr-box {
      display: inline-block;
      text-align: center;
      background: #f8fafc;
      padding: 14px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .contact-qr-box img {
      width: 130px;
      height: 130px;
      display: block;
      border-radius: 6px;
      margin-bottom: 8px;
    }

    .contact-qr-box span {
      font-size: 0.82rem;
      color: var(--text-sub);
      font-weight: 600;
    }

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

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: #f8fafc;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s ease, background 0.2s ease;
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    }

    .form-submit-btn {
      width: 100%;
      padding: 14px;
      font-size: 1rem;
      font-weight: 800;
      color: #ffffff;
      background: linear-gradient(135deg, #ff4e50 0%, #2575fc 100%);
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(37, 117, 252, 0.3);
      transition: all 0.2s ease;
    }

    .form-submit-btn:hover {
      opacity: 0.95;
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(37, 117, 252, 0.4);
    }

    /* FOOTER */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 28px 0;
      margin-top: 60px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 32px;
      margin-bottom: 36px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      color: var(--text-sub);
      margin-top: 12px;
      line-height: 1.6;
    }

    .footer-col h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 8px;
    }

    .footer-links a {
      font-size: 0.88rem;
      color: var(--text-sub);
      text-decoration: none;
      transition: color 0.2s ease;
    }

    .footer-links a:hover {
      color: var(--primary);
    }

    .friendly-links-wrap {
      border-top: 1px solid #f1f5f9;
      padding-top: 20px;
      margin-bottom: 20px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    .friendly-links-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .friendly-links-wrap a {
      font-size: 0.84rem;
      color: var(--text-sub);
      text-decoration: none;
      transition: color 0.2s;
    }

    .friendly-links-wrap a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      text-align: center;
      padding-top: 20px;
      border-top: 1px solid #f1f5f9;
      font-size: 0.84rem;
      color: var(--text-sub);
    }

    /* Floating Customer Service & Back to Top */
    .floating-tools {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--text-main);
      font-size: 1.2rem;
      transition: all 0.2s ease;
      text-decoration: none;
    }

    .floating-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.08);
    }

    /* Responsive */
    @media (max-width: 992px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .media-showcase-grid {
        grid-template-columns: 1fr;
      }
      .media-banner-gallery {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .agent-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 16px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
        text-align: center;
      }
      .nav-links a {
        padding: 12px;
      }
      .nav-toggle {
        display: block;
      }
      .hero-title {
        font-size: 2rem;
      }
      .section-title {
        font-size: 1.7rem;
      }
      .rating-banner {
        flex-direction: column;
        text-align: center;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
    }