:root {
      --primary-yellow: #f5b301;
      --primary-hover: #df9e00;
      --accent-black: #11141a;
      --text-main: #1d2129;
      --text-muted: #5f6b7c;
      --bg-light: #fbfbf9;
      --bg-white: #ffffff;
      --bg-card: #ffffff;
      --border-color: #eaecef;
      --border-accent: #fce8a6;
      --shadow-sm: 0 4px 12px rgba(17, 20, 26, 0.04);
      --shadow-md: 0 10px 28px rgba(17, 20, 26, 0.08);
      --shadow-yellow: 0 8px 24px rgba(245, 179, 1, 0.28);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-link-item {
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

    .nav-link-item:hover {
      color: var(--accent-black);
      background-color: #fff9e6;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 30px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-yellow {
      background-color: var(--primary-yellow);
      color: var(--accent-black);
      box-shadow: var(--shadow-yellow);
    }

    .btn-yellow:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
    }

    .btn-dark {
      background-color: var(--accent-black);
      color: #ffffff;
    }

    .btn-dark:hover {
      background-color: #2b303c;
      transform: translateY(-2px);
    }

    .btn-outline {
      border-color: var(--accent-black);
      color: var(--accent-black);
      background: transparent;
    }

    .btn-outline:hover {
      background: #fff5d1;
      border-color: var(--primary-yellow);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .mobile-menu-btn svg {
      width: 28px;
      height: 28px;
      fill: var(--accent-black);
    }

    /* Section Base */
    section {
      padding: 90px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 56px;
    }

    .section-badge {
      display: inline-block;
      padding: 6px 16px;
      background-color: #fff4d1;
      color: #9a6f00;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1px;
      border-radius: 20px;
      margin-bottom: 14px;
      text-transform: uppercase;
      border: 1px solid var(--border-accent);
    }

    .section-title {
      font-size: 34px;
      font-weight: 800;
      color: var(--accent-black);
      line-height: 1.35;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Hero Section (No Image strictly) */
    .hero-section {
      padding: 100px 0 80px;
      background: radial-gradient(circle at 50% 10%, #fffbe6 0%, var(--bg-light) 65%);
      border-bottom: 1px solid var(--border-color);
      text-align: center;
    }

    .hero-content {
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 20px;
      background: #ffffff;
      border: 1px solid #fedf76;
      box-shadow: var(--shadow-sm);
      border-radius: 30px;
      font-size: 14px;
      font-weight: 600;
      color: #8c6300;
      margin-bottom: 28px;
    }

    .hero-title {
      font-size: 46px;
      font-weight: 900;
      color: var(--accent-black);
      line-height: 1.25;
      margin-bottom: 24px;
      letter-spacing: -0.5px;
    }

    .hero-highlight {
      background: linear-gradient(180deg, transparent 65%, #ffdf6d 65%);
      padding: 0 4px;
    }

    .hero-subtitle {
      font-size: 19px;
      color: var(--text-muted);
      line-height: 1.7;
      max-width: 820px;
      margin: 0 auto 36px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }

    .hero-btn-main {
      padding: 14px 34px;
      font-size: 17px;
      font-weight: 700;
      border-radius: 32px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
    }

    .hero-stat-card {
      background: #ffffff;
      padding: 24px 18px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .hero-stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-yellow);
    }

    .hero-stat-num {
      font-size: 32px;
      font-weight: 800;
      color: var(--accent-black);
      display: flex;
      align-items: baseline;
      justify-content: center;
      gap: 2px;
      margin-bottom: 6px;
    }

    .hero-stat-num span {
      color: var(--primary-yellow);
      font-size: 22px;
    }

    .hero-stat-label {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* Model Matrix Banner */
    .model-matrix-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      margin-top: -30px;
      position: relative;
      z-index: 10;
    }

    .model-matrix-title {
      font-size: 15px;
      font-weight: 700;
      color: #795d00;
      text-align: center;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }

    .tags-container {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .model-tag {
      background: #fafaf8;
      border: 1px solid #edebe4;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      transition: var(--transition);
    }

    .model-tag:hover {
      background: var(--primary-yellow);
      color: var(--accent-black);
      border-color: var(--primary-yellow);
      transform: scale(1.05);
    }

    /* Platform Overview */
    .platform-intro-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 44px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 40px;
    }

    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .intro-text-title {
      font-size: 26px;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 16px;
      line-height: 1.4;
    }

    .intro-text-p {
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .intro-feature-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .intro-feature-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--accent-black);
    }

    .intro-feature-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--primary-yellow);
    }

    .intro-highlight-box {
      background: #fffdf5;
      border: 1px dashed #fed966;
      border-radius: var(--radius-md);
      padding: 30px;
    }

    .intro-highlight-title {
      font-size: 18px;
      font-weight: 700;
      color: #8c6300;
      margin-bottom: 12px;
    }

    /* Services Grid */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-yellow);
    }

    .service-icon-box {
      width: 52px;
      height: 52px;
      background: #fff8dd;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: #926900;
    }

    .service-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--accent-black);
      margin-bottom: 12px;
    }

    .service-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .service-pill {
      font-size: 12px;
      background: #f7f7f5;
      padding: 4px 10px;
      border-radius: 6px;
      color: #4b5563;
    }

    /* One-Stop Creation Section */
    .onestop-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .onestop-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      border-left: 6px solid var(--primary-yellow);
    }

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

    .onestop-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--accent-black);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .onestop-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Industry Solutions */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .industry-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
    }

    .industry-card:hover {
      background: #fffdf7;
      border-color: #ffd859;
      transform: translateY(-4px);
    }

    .industry-name {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--accent-black);
    }

    .industry-detail {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Process Section */
    .process-steps-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .process-step-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .process-step-num {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-yellow);
      color: var(--accent-black);
      font-weight: 800;
      font-size: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
    }

    .process-step-name {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--accent-black);
    }

    .process-step-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Showcase Section with authorized images */
    .case-media-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 30px;
    }

    .case-card {
      background: #ffffff;
      border: 1fr solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }

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

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 10;
      background: #f0f0ed;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-img-wrap.square {
      aspect-ratio: 1 / 1;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .case-info {
      padding: 20px;
    }

    .case-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--accent-black);
    }

    .case-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Promotion Banner Box */
    .promo-banner-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      margin-top: 30px;
      text-align: center;
    }

    .promo-banner-img-box {
      max-width: 100%;
      border-radius: var(--radius-md);
      overflow: hidden;
      margin: 0 auto;
    }

    .promo-banner-img-box img {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: var(--radius-md);
    }

    /* Comparison Table Section */
    .rating-badge-container {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      margin-bottom: 30px;
    }

    .rating-score-box {
      background: #fff8dd;
      border: 1px solid #ffd859;
      padding: 12px 28px;
      border-radius: 30px;
      font-size: 18px;
      font-weight: 800;
      color: #8c6300;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .rating-stars {
      color: #f59e0b;
      letter-spacing: 2px;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 760px;
    }

    .custom-table th, .custom-table td {
      padding: 18px 22px;
      font-size: 14px;
      border-bottom: 1px solid var(--border-color);
    }

    .custom-table th {
      background-color: #fafaf8;
      font-weight: 700;
      color: var(--accent-black);
    }

    .custom-table tr:last-child td {
      border-bottom: none;
    }

    .custom-table .highlight-col {
      background-color: #fffdf5;
      font-weight: 600;
      color: #8c6300;
      border-left: 2px solid #fed966;
      border-right: 2px solid #fed966;
    }

    .custom-table th.highlight-col {
      background-color: #fff6d6;
    }

    /* Token Price Section */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .price-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 34px 26px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }

    .price-card.featured {
      border: 2px solid var(--primary-yellow);
      background: #fffdf8;
      transform: scale(1.03);
      box-shadow: var(--shadow-yellow);
    }

    .price-card-tag {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-yellow);
      color: var(--accent-black);
      font-size: 12px;
      font-weight: 800;
      padding: 4px 14px;
      border-radius: 20px;
    }

    .price-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--accent-black);
    }

    .price-val {
      font-size: 36px;
      font-weight: 900;
      color: var(--accent-black);
      margin-bottom: 6px;
    }

    .price-val span {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
    }

    .price-sub {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .price-feature-list {
      text-align: left;
      font-size: 14px;
      color: var(--text-main);
      margin-bottom: 28px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .price-feature-item {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .price-feature-item svg {
      width: 16px;
      height: 16px;
      fill: #10b981;
      flex-shrink: 0;
    }

    /* Network Section */
    .network-wrap {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 36px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .network-item {
      border-left: 3px solid var(--primary-yellow);
      padding-left: 16px;
    }

    .network-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--accent-black);
    }

    .network-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Testimonials Section */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-quote {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #fdf2cd;
      color: #946900;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
    }

    .author-info h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--accent-black);
    }

    .author-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* FAQ Section */
    .faq-accordion {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-item.active {
      border-color: #ffd859;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--accent-black);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question:hover {
      background-color: #fffdf5;
    }

    .faq-icon {
      font-size: 18px;
      font-weight: 400;
      transition: var(--transition);
      color: var(--primary-yellow);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background: #fafaf8;
    }

    .faq-answer-inner {
      padding: 18px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid var(--border-color);
    }

    /* Articles & AI Wiki Section */
    .news-wiki-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .content-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .content-box-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 2px solid #fff5d1;
      padding-bottom: 12px;
    }

    .article-links-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .article-item-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 14px;
      color: var(--text-main);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      background: #fafaf8;
      transition: var(--transition);
    }

    .article-item-link:hover {
      background: #fff8dd;
      color: #926900;
      transform: translateX(4px);
    }

    .wiki-item {
      margin-bottom: 16px;
      padding-bottom: 16px;
      border-bottom: 1px dashed var(--border-color);
    }

    .wiki-item:last-child {
      margin-bottom: 0;
      padding-bottom: 0;
      border-bottom: none;
    }

    .wiki-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--accent-black);
      margin-bottom: 6px;
    }

    .wiki-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Agency & Training Section */
    .agency-wrap {
      background: linear-gradient(135deg, #fffcf0 0%, #fff6d6 100%);
      border: 1px solid #fedf76;
      border-radius: var(--radius-lg);
      padding: 44px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
    }

    .agency-text h3 {
      font-size: 26px;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 14px;
    }

    .agency-text p {
      font-size: 15px;
      color: #5d4a0a;
      line-height: 1.7;
      margin-bottom: 22px;
    }

    .agency-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 26px;
    }

    .agency-perk-item {
      font-size: 14px;
      font-weight: 600;
      color: #785a00;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .agency-card-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-md);
      border: 1px solid #ffea9f;
      text-align: center;
    }

    /* Form & Contact Section */
    .contact-form-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      align-items: start;
    }

    .contact-info-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .contact-info-title {
      font-size: 22px;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 20px;
    }

    .contact-detail-list {
      display: flex;
      flex-direction: column;
      gap: 18px;
      margin-bottom: 28px;
    }

    .contact-detail-row {
      display: flex;
      align-items: center;
      gap: 14px;
      font-size: 15px;
      color: var(--text-main);
    }

    .contact-qr-box {
      background: #fafaf8;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      margin-top: 10px;
    }

    .contact-qr-box img {
      width: 140px;
      height: 140px;
      display: block;
      margin: 0 auto 10px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .contact-qr-box p {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
    }

    .form-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 38px;
      box-shadow: var(--shadow-sm);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 700;
      color: var(--accent-black);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background-color: #fafaf8;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary-yellow);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(245, 179, 1, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }

    /* Floating Contact Button */
    .floating-kefu {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      background: var(--accent-black);
      border-radius: 30px;
      padding: 10px 18px;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      gap: 10px;
      color: #ffffff;
      cursor: pointer;
      border: 2px solid var(--primary-yellow);
      transition: var(--transition);
    }

    .floating-kefu:hover {
      background: #2b303c;
      transform: translateY(-3px);
    }

    .floating-kefu-text {
      font-size: 13px;
      font-weight: 700;
    }

    .kefu-modal-wrap {
      position: fixed;
      right: 24px;
      bottom: 86px;
      z-index: 1000;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px;
      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18);
      display: none;
      text-align: center;
      width: 220px;
    }

    .kefu-modal-wrap.show {
      display: block;
    }

    .kefu-modal-wrap img {
      width: 170px;
      height: 170px;
      display: block;
      margin: 0 auto 8px;
      border-radius: 4px;
    }

    .kefu-modal-wrap p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* Footer */
    .site-footer {
      background: #11141a;
      color: #9ca3af;
      padding: 60px 0 30px;
      border-top: 1px solid #232731;
    }

    .footer-main-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col-title {
      font-size: 16px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col-title::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 24px;
      height: 2px;
      background: var(--primary-yellow);
    }

    .footer-links-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 14px;
    }

    .footer-links-list a {
      color: #9ca3af;
    }

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

    .footer-friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
    }

    .footer-friend-links a {
      color: #9ca3af;
      background: #1f242e;
      padding: 4px 10px;
      border-radius: 4px;
      transition: var(--transition);
    }

    .footer-friend-links a:hover {
      color: var(--accent-black);
      background: var(--primary-yellow);
    }

    .footer-bottom {
      border-top: 1px solid #1f242e;
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #6b7280;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-stats-grid,
      .services-grid,
      .industry-grid,
      .case-media-grid,
      .pricing-grid,
      .testimonials-grid,
      .process-steps-wrap {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-main-grid {
        grid-template-columns: 1fr 1fr;
      }

      .agency-wrap,
      .contact-form-grid,
      .intro-grid,
      .news-wiki-grid {
        grid-template-columns: 1fr;
      }

      .network-wrap {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .site-header {
        height: 64px;
      }

      .header-inner {
        height: 64px;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }

      .nav-links.open {
        display: flex;
      }

      .mobile-menu-btn {
        display: block;
      }

      .hero-title {
        font-size: 30px;
      }

      .hero-subtitle {
        font-size: 16px;
      }

      .section-title {
        font-size: 26px;
      }

      .hero-stats-grid,
      .services-grid,
      .industry-grid,
      .case-media-grid,
      .pricing-grid,
      .testimonials-grid,
      .process-steps-wrap,
      .onestop-grid,
      .intro-feature-list {
        grid-template-columns: 1fr;
      }

      .footer-main-grid {
        grid-template-columns: 1fr;
      }

      .platform-intro-card,
      .form-container,
      .contact-info-panel,
      .agency-wrap {
        padding: 24px;
      }
    }