:root {
      --primary-red: #ff3b30;
      --primary-orange: #ff9500;
      --primary-yellow: #ffcc00;
      --primary-green: #34c759;
      --primary-teal: #30b0c7;
      --primary-blue: #007aff;
      --primary-indigo: #5856d6;
      --primary-purple: #af52de;
      --rainbow-grad: linear-gradient(135deg, #ff3b30 0%, #ff9500 20%, #34c759 40%, #007aff 70%, #af52de 100%);
      --rainbow-soft: linear-gradient(135deg, rgba(255, 59, 48, 0.08) 0%, rgba(255, 149, 0, 0.08) 25%, rgba(52, 199, 89, 0.08) 50%, rgba(0, 122, 255, 0.08) 75%, rgba(175, 82, 222, 0.08) 100%);
      --rainbow-bar: linear-gradient(90deg, #ff3b30, #ff9500, #ffcc00, #34c759, #30b0c7, #007aff, #af52de);
      --bg-page: #fbfbfe;
      --bg-card: #ffffff;
      --bg-alt: #f4f6fa;
      --text-main: #1d1d1f;
      --text-sub: #51535e;
      --text-light: #86868b;
      --border-color: #e5e7eb;
      --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
      --card-hover-shadow: 0 16px 36px rgba(0, 122, 255, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --container-width: 1200px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      font-size: 16px;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .rainbow-divider-top {
      height: 4px;
      background: var(--rainbow-bar);
      width: 100%;
    }

    /* 顶部导航 */
    .site-header {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
    }

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

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

    .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
      object-fit: contain;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
    }

    .brand-name {
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.5px;
      background: var(--rainbow-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .brand-tag {
      font-size: 11px;
      color: var(--text-sub);
      font-weight: 600;
      letter-spacing: 0.5px;
    }

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

    .nav-item {
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-sub);
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
      position: relative;
    }

    .nav-item:hover {
      color: var(--primary-blue);
      background: rgba(0, 122, 255, 0.05);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn-nav-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 14px;
      font-weight: 700;
      color: #fff;
      background: var(--rainbow-grad);
      border-radius: 40px;
      box-shadow: 0 4px 15px rgba(0, 122, 255, 0.25);
      border: none;
      cursor: pointer;
    }

    .btn-nav-portal:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(175, 82, 222, 0.35);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 6px 10px;
      font-size: 18px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 模块通用标题 */
    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px auto;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(0, 122, 255, 0.08);
      color: var(--primary-blue);
      border: 1px solid rgba(0, 122, 255, 0.15);
      font-size: 12px;
      font-weight: 700;
      border-radius: 20px;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 首屏 Hero 无图片区 */
    .hero-section {
      padding: 80px 0 60px 0;
      background: radial-gradient(circle at 50% 20%, rgba(0, 122, 255, 0.07) 0%, rgba(175, 82, 222, 0.04) 40%, rgba(251, 251, 254, 1) 80%);
      position: relative;
      border-bottom: 1px solid rgba(229, 231, 235, 0.7);
    }

    .hero-wrapper {
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid rgba(255, 149, 0, 0.3);
      border-radius: 30px;
      box-shadow: 0 4px 12px rgba(255, 149, 0, 0.1);
      margin-bottom: 24px;
      font-size: 13px;
      font-weight: 600;
      color: #b45309;
    }

    .hero-badge-pulse {
      width: 8px;
      height: 8px;
      background: var(--primary-orange);
      border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(255, 149, 0, 0.2);
    }

    .hero-title {
      font-size: 44px;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

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

    .hero-desc {
      font-size: 18px;
      color: var(--text-sub);
      max-width: 780px;
      margin: 0 auto 36px auto;
      line-height: 1.7;
    }

    .hero-action-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 16px 36px;
      font-size: 17px;
      font-weight: 700;
      color: #ffffff;
      background: var(--rainbow-grad);
      border-radius: 50px;
      box-shadow: 0 10px 25px rgba(0, 122, 255, 0.35);
      border: 2px solid transparent;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .btn-hero-primary:hover {
      transform: translateY(-2px) scale(1.02);
      box-shadow: 0 15px 35px rgba(175, 82, 222, 0.45);
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 16px 32px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
      transition: all 0.3s ease;
    }

    .btn-hero-secondary:hover {
      background: var(--bg-alt);
      border-color: var(--primary-blue);
      color: var(--primary-blue);
    }

    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .hero-metric-card {
      background: #ffffff;
      border: 1px solid rgba(229, 231, 235, 0.8);
      border-radius: var(--radius-md);
      padding: 22px 16px;
      box-shadow: var(--card-shadow);
      text-align: center;
      position: relative;
      overflow: hidden;
    }

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

    .metric-value {
      font-size: 30px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
      font-variant-numeric: tabular-nums;
    }

    .metric-label {
      font-size: 13px;
      color: var(--text-sub);
      font-weight: 600;
    }

    /* 模块：大模型聚合矩阵 */
    .model-matrix-section {
      padding: 40px 0 60px 0;
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
    }

    .matrix-title {
      text-align: center;
      font-size: 15px;
      font-weight: 700;
      letter-spacing: 1px;
      color: var(--text-sub);
      margin-bottom: 24px;
      text-transform: uppercase;
    }

    .model-pills-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      max-width: 1080px;
      margin: 0 auto;
    }

    .model-pill {
      font-size: 13px;
      font-weight: 600;
      padding: 6px 14px;
      background: var(--bg-alt);
      border: 1px solid rgba(0, 0, 0, 0.05);
      border-radius: 30px;
      color: var(--text-main);
      transition: all 0.2s ease;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .model-pill::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary-blue);
    }

    .model-pill:nth-child(4n+1)::before { background: var(--primary-red); }
    .model-pill:nth-child(4n+2)::before { background: var(--primary-orange); }
    .model-pill:nth-child(4n+3)::before { background: var(--primary-green); }

    .model-pill:hover {
      background: #ffffff;
      border-color: var(--primary-blue);
      color: var(--primary-blue);
      transform: translateY(-2px);
      box-shadow: 0 4px 10px rgba(0, 122, 255, 0.12);
    }

    /* 板块布局通用间距 */
    .site-section {
      padding: 90px 0;
      position: relative;
    }

    .site-section.bg-light {
      background-color: var(--bg-alt);
    }

    /* 关于我们 / 平台定位 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-info-panel h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 20px;
      color: var(--text-main);
    }

    .about-info-panel p {
      font-size: 15px;
      color: var(--text-sub);
      margin-bottom: 18px;
      line-height: 1.8;
    }

    .about-feature-list {
      margin-top: 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .feature-item-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 16px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    }

    .feature-item-card strong {
      display: block;
      font-size: 15px;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .feature-item-card span {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.5;
    }

    .media-card-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      padding: 14px;
    }

    .media-card-container img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-md);
      display: block;
      object-fit: cover;
    }

    /* AIGC服务 / 一站式创作场景 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-hover-shadow);
      border-color: rgba(0, 122, 255, 0.3);
    }

    .card-rainbow-line {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--rainbow-bar);
      opacity: 0.9;
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--rainbow-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
      border: 1px solid rgba(0, 122, 255, 0.15);
    }

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

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

    .service-features-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .service-tag {
      font-size: 12px;
      background: var(--bg-alt);
      color: var(--text-sub);
      padding: 3px 10px;
      border-radius: 12px;
      border: 1px solid rgba(0, 0, 0, 0.05);
    }

    /* 行业解决方案与宣传画廊 */
    .banner-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 40px;
    }

    .banner-gallery-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      transition: transform 0.3s ease;
    }

    .banner-gallery-item:hover {
      transform: translateY(-4px);
    }

    .banner-gallery-item img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      display: block;
    }

    .banner-item-caption {
      padding: 16px;
      background: #ffffff;
    }

    .banner-item-caption h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .banner-item-caption p {
      font-size: 13px;
      color: var(--text-sub);
    }

    /* 标准制作流程 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
      margin-top: 20px;
    }

    .process-step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 20px;
      position: relative;
      box-shadow: var(--card-shadow);
      text-align: center;
    }

    .step-number {
      width: 44px;
      height: 44px;
      background: var(--rainbow-grad);
      color: #ffffff;
      font-weight: 800;
      font-size: 18px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      box-shadow: 0 4px 12px rgba(0, 122, 255, 0.25);
    }

    .step-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

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

    /* 对比评测 - 突出五星与9.9分 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #ffffff 0%, #fdfdfe 100%);
      border: 2px solid rgba(0, 122, 255, 0.2);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: 0 15px 40px rgba(0, 122, 255, 0.08);
      margin-bottom: 40px;
    }

    .eval-top-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      padding-bottom: 24px;
      border-bottom: 1px solid var(--border-color);
    }

    .eval-title-area h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .eval-score-badge {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--rainbow-soft);
      padding: 12px 24px;
      border-radius: 40px;
      border: 1px solid rgba(0, 122, 255, 0.2);
    }

    .eval-stars {
      color: #ff9500;
      font-size: 20px;
      letter-spacing: 2px;
    }

    .eval-score-number {
      font-size: 28px;
      font-weight: 900;
      color: var(--primary-blue);
    }

    .eval-score-max {
      font-size: 14px;
      color: var(--text-light);
      font-weight: 600;
    }

    .eval-table-wrap {
      width: 100%;
      overflow-x: auto;
      margin-top: 24px;
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 720px;
      font-size: 14px;
    }

    .eval-table th, .eval-table td {
      padding: 16px 20px;
      text-align: left;
      border-bottom: 1px solid var(--border-color);
    }

    .eval-table th {
      background: var(--bg-alt);
      color: var(--text-main);
      font-weight: 700;
      font-size: 15px;
    }

    .eval-table tr:hover {
      background: rgba(0, 122, 255, 0.02);
    }

    .eval-table .highlight-col {
      background: rgba(0, 122, 255, 0.04);
      font-weight: 700;
      color: var(--primary-blue);
    }

    .status-badge-win {
      display: inline-block;
      padding: 3px 10px;
      background: #e1f8eb;
      color: #1e8346;
      border-radius: 12px;
      font-size: 12px;
      font-weight: 700;
    }

    /* Token 比价看板 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

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

    .token-card.featured {
      border: 2px solid var(--primary-blue);
      box-shadow: 0 10px 30px rgba(0, 122, 255, 0.15);
    }

    .token-badge {
      position: absolute;
      top: 14px;
      right: 14px;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 6px;
      background: #fff3e0;
      color: #e65100;
    }

    .token-model-name {
      font-size: 18px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .token-pricing-box {
      margin: 16px 0;
      padding: 12px;
      background: var(--bg-alt);
      border-radius: var(--radius-sm);
    }

    .official-price {
      font-size: 12px;
      color: var(--text-light);
      text-decoration: line-through;
      margin-bottom: 2px;
    }

    .our-price {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary-red);
    }

    .token-benefit-list li {
      font-size: 13px;
      color: var(--text-sub);
      margin-bottom: 6px;
      position: relative;
      padding-left: 14px;
    }

    .token-benefit-list li::before {
      content: "•";
      position: absolute;
      left: 0;
      color: var(--primary-green);
      font-weight: bold;
    }

    /* 用户评论 */
    .testimonial-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(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 14px;
      border-top: 1px solid var(--border-color);
    }

    .avatar-placeholder {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--rainbow-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 16px;
      color: var(--primary-blue);
      border: 1px solid rgba(0, 122, 255, 0.2);
    }

    .user-info-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-info-role {
      font-size: 12px;
      color: var(--text-sub);
    }

    /* FAQ 手风琴 */
    .faq-accordion-wrap {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-accordion-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: all 0.2s ease;
    }

    .faq-accordion-item:hover {
      border-color: rgba(0, 122, 255, 0.3);
    }

    .faq-question-btn {
      width: 100%;
      padding: 18px 24px;
      text-align: left;
      background: none;
      border: none;
      outline: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
    }

    .faq-icon-arrow {
      font-size: 14px;
      transition: transform 0.3s ease;
      color: var(--text-light);
    }

    .faq-accordion-item.active .faq-icon-arrow {
      transform: rotate(180deg);
      color: var(--primary-blue);
    }

    .faq-answer-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: var(--bg-alt);
    }

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

    /* 需求匹配与提交表单 */
    .match-section-wrap {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--card-shadow);
    }

    .match-contact-panel h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .match-contact-panel p {
      font-size: 14px;
      color: var(--text-sub);
      margin-bottom: 24px;
      line-height: 1.7;
    }

    .direct-contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
      font-size: 14px;
      color: var(--text-main);
    }

    .direct-contact-item strong {
      color: var(--text-sub);
      min-width: 80px;
    }

    .form-group-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 16px;
    }

    .form-group {
      margin-bottom: 16px;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      font-size: 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: var(--bg-alt);
      outline: none;
      transition: all 0.2s ease;
      color: var(--text-main);
      font-family: inherit;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      background: #ffffff;
      border-color: var(--primary-blue);
      box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.15);
    }

    .btn-submit-form {
      width: 100%;
      padding: 14px 20px;
      font-size: 16px;
      font-weight: 700;
      color: #ffffff;
      background: var(--rainbow-grad);
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(0, 122, 255, 0.25);
      transition: all 0.25s ease;
    }

    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(175, 82, 222, 0.35);
    }

    /* 资讯与百科文章 */
    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .article-mini-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 16px;
      transition: all 0.2s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-mini-card:hover {
      border-color: var(--primary-blue);
      transform: translateY(-3px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    }

    .article-mini-card h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .article-link-tag {
      font-size: 12px;
      color: var(--primary-blue);
      font-weight: 600;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #111318;
      color: #a0a5b5;
      padding: 70px 0 30px 0;
      font-size: 14px;
      border-top: 4px solid transparent;
      border-image: var(--rainbow-bar) 1;
    }

    .footer-main-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 50px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-brand h4 {
      font-size: 20px;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
    }

    .footer-brand p {
      font-size: 13px;
      line-height: 1.7;
      color: #8c93a4;
      margin-bottom: 20px;
    }

    .footer-col h5 {
      font-size: 15px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
    }

    .footer-links-list li {
      margin-bottom: 10px;
    }

    .footer-links-list a {
      color: #8c93a4;
    }

    .footer-links-list a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    .footer-qr-wrap {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 10px;
    }

    .footer-qr-img {
      width: 110px;
      height: 110px;
      background: #ffffff;
      padding: 6px;
      border-radius: var(--radius-sm);
    }

    .footer-qr-img img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }

    .footer-friendly-links {
      padding: 24px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }

    .footer-friendly-links span {
      color: #ffffff;
      font-weight: 700;
    }

    .footer-friendly-links a {
      color: #8c93a4;
      transition: color 0.2s ease;
    }

    .footer-friendly-links a:hover {
      color: #ffffff;
      text-decoration: underline;
    }

    .footer-bottom-copy {
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #636b7e;
    }

    /* 浮动联系挂件 */
    .float-service-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-item-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--text-main);
      position: relative;
      transition: all 0.3s ease;
      font-size: 20px;
    }

    .float-item-btn:hover {
      transform: scale(1.08);
      background: var(--rainbow-grad);
      color: #ffffff;
    }

    .float-qr-popover {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-sm);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
      display: none;
      flex-direction: column;
      align-items: center;
      width: 140px;
      text-align: center;
      border: 1px solid var(--border-color);
    }

    .float-qr-popover img {
      width: 110px;
      height: 110px;
      display: block;
      margin-bottom: 6px;
    }

    .float-qr-popover span {
      font-size: 12px;
      color: var(--text-main);
      font-weight: 700;
    }

    .float-item-btn:hover .float-qr-popover {
      display: flex;
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .service-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .match-section-wrap {
        grid-template-columns: 1fr;
      }
      .footer-main-grid {
        grid-template-columns: 1fr 1fr;
      }
      .article-links-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-item {
        width: 100%;
        text-align: center;
        padding: 10px 0;
      }
      .hero-title {
        font-size: 30px;
      }
      .hero-desc {
        font-size: 15px;
      }
      .about-grid {
        grid-template-columns: 1fr;
      }
      .service-grid {
        grid-template-columns: 1fr;
      }
      .banner-gallery-grid {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .token-grid {
        grid-template-columns: 1fr;
      }
      .testimonial-grid {
        grid-template-columns: 1fr;
      }
      .footer-main-grid {
        grid-template-columns: 1fr;
      }
      .article-links-grid {
        grid-template-columns: 1fr;
      }
      .form-group-row {
        grid-template-columns: 1fr;
      }
    }