:root {
      --primary: #ff007a;
      --primary-gradient: linear-gradient(135deg, #ff007a 0%, #7928ca 50%, #0070f3 100%);
      --vibrant-orange: #ff4d00;
      --vibrant-cyan: #00dfd8;
      --vibrant-yellow: #ffb800;
      --vibrant-purple: #7928ca;
      --bg-body: #f8fafc;
      --bg-surface: #ffffff;
      --bg-card: #ffffff;
      --bg-subtle: #f1f5f9;
      --border-color: #e2e8f0;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
      --shadow-md: 0 10px 25px -5px rgba(121, 40, 202, 0.08), 0 8px 10px -6px rgba(255, 0, 122, 0.04);
      --shadow-lg: 0 20px 30px -10px rgba(121, 40, 202, 0.15);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

    * {
      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", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-body);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      transition: all 0.3s ease;
    }

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

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

    .brand-logo-wrap .ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
    }

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

    .nav-link-item {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
    }

    .nav-link-item:hover, .nav-link-item.active {
      color: var(--primary);
      background: rgba(255, 0, 122, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
      padding: 10px 22px;
      border-radius: 50px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      text-align: center;
      line-height: 1.2;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn-primary {
      background: var(--primary-gradient);
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(255, 0, 122, 0.3);
    }

    .btn-primary:hover {
      box-shadow: 0 8px 25px rgba(255, 0, 122, 0.45);
      color: #ffffff;
    }

    .btn-secondary {
      background: #ffffff;
      color: var(--text-main);
      border-color: #cbd5e1;
    }

    .btn-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #fff;
    }

    .btn-vibrant-yellow {
      background: linear-gradient(135deg, #ffb800 0%, #ff4d00 100%);
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(255, 77, 0, 0.3);
    }

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

    .mobile-menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--text-main);
      margin: 5px 0;
      transition: 0.3s;
    }

    /* 首屏 Hero (无图片，高饱和科技感几何与渐变卡片) */
    .hero-section {
      padding: 70px 0 50px;
      background: radial-gradient(circle at 80% 20%, rgba(0, 223, 216, 0.12) 0%, transparent 40%),
                  radial-gradient(circle at 10% 80%, rgba(255, 0, 122, 0.1) 0%, transparent 40%),
                  radial-gradient(circle at 50% 50%, rgba(121, 40, 202, 0.08) 0%, transparent 60%),
                  var(--bg-body);
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 0, 122, 0.08);
      border: 1px solid rgba(255, 0, 122, 0.2);
      color: var(--primary);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--primary);
    }

    .hero-title {
      font-size: 2.6rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .hero-title .gradient-text {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      margin-bottom: 35px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 45px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .hero-stat-card {
      background: #ffffff;
      border: 1px solid rgba(226, 232, 240, 0.9);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      position: relative;
      overflow: hidden;
    }

    .hero-stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--primary-gradient);
    }

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

    .hero-stat-num {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 4px;
      font-family: inherit;
    }

    .hero-stat-label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* 公共模块框架 */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-wrap.bg-light {
      background-color: #f1f5f9;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 800;
      text-transform: uppercase;
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 12px;
      background: rgba(121, 40, 202, 0.08);
      color: var(--vibrant-purple);
      letter-spacing: 1px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-subtitle {
      font-size: 1rem;
      color: var(--text-muted);
    }

    /* 平台介绍 & 模型聚合 */
    .platform-intro-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      margin-bottom: 40px;
    }

    .platform-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .platform-desc h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .platform-desc p {
      color: var(--text-muted);
      margin-bottom: 18px;
      font-size: 0.95rem;
    }

    .platform-features {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .feat-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .feat-icon-check {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: #10b981;
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 900;
      flex-shrink: 0;
    }

    /* 模型矩阵徽章 */
    .model-tags-container {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .model-tags-title {
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 14px;
      color: var(--text-main);
    }

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

    .model-badge {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      padding: 5px 12px;
      border-radius: 6px;
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--text-main);
      box-shadow: 0 1px 2px rgba(0,0,0,0.03);
      transition: all 0.2s ease;
    }

    .model-badge:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-1px);
    }

    /* 服务能力卡片 (高饱和色系边框及强调) */
    .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 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(255, 0, 122, 0.4);
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 1.25rem;
      font-weight: 800;
      color: #fff;
    }

    .icon-pink { background: linear-gradient(135deg, #ff007a, #ff4d00); }
    .icon-purple { background: linear-gradient(135deg, #7928ca, #ff007a); }
    .icon-blue { background: linear-gradient(135deg, #0070f3, #00dfd8); }
    .icon-orange { background: linear-gradient(135deg, #ff4d00, #ffb800); }
    .icon-green { background: linear-gradient(135deg, #10b981, #00dfd8); }
    .icon-dark { background: linear-gradient(135deg, #334155, #0f172a); }

    .service-card h3 {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    .service-card-tag {
      display: inline-block;
      margin-top: 16px;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      background: rgba(255, 0, 122, 0.08);
      padding: 3px 8px;
      border-radius: 4px;
      width: fit-content;
    }

    /* 一站式制作场景 Showcase */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .scene-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .scene-card:hover {
      border-color: var(--vibrant-purple);
      box-shadow: var(--shadow-md);
    }

    .scene-card h4 {
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .scene-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 素材案例展示 */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .media-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      display: flex;
      flex-direction: column;
    }

    .media-card-img-wrap {
      background: #f8fafc;
      overflow: hidden;
    }

    .media-card-body {
      padding: 24px;
    }

    .media-card-body h3 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .media-card-body p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .banner-promo-wrap {
      margin-top: 30px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }

    /* 对比评测高亮板块 */
    .eval-card-main {
      background: #ffffff;
      border: 2px solid var(--primary);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-lg);
      margin-bottom: 40px;
      position: relative;
    }

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

    .eval-score-badge {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }

    .eval-score-val {
      font-size: 3rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .eval-score-max {
      font-size: 1.25rem;
      color: var(--text-light);
      font-weight: 700;
    }

    .eval-stars {
      color: #ffb800;
      font-size: 1.5rem;
      letter-spacing: 2px;
    }

    .eval-table-wrap {
      overflow-x: auto;
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
    }

    .eval-table th, .eval-table td {
      padding: 16px 14px;
      border-bottom: 1px solid var(--border-color);
    }

    .eval-table th {
      background: #f8fafc;
      font-weight: 800;
      color: var(--text-main);
    }

    .eval-table th.col-highlight, .eval-table td.col-highlight {
      background: rgba(255, 0, 122, 0.03);
      font-weight: 700;
      color: var(--primary);
    }

    /* 标准流程时间线 */
    .flow-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }

    .flow-step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .flow-num {
      width: 36px;
      height: 36px;
      background: var(--primary-gradient);
      color: #fff;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px;
    }

    .flow-step-card h4 {
      font-size: 1rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .flow-step-card p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* Token比价与算力方案 */
    .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: 32px 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
      transition: all 0.3s ease;
    }

    .price-card.popular {
      border: 2px solid var(--vibrant-orange);
      box-shadow: var(--shadow-md);
    }

    .price-card-badge {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--vibrant-orange);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 10px;
      border-radius: 20px;
    }

    .price-card h3 {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .price-card-rate {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1;
    }

    .price-card-rate span {
      font-size: 0.9rem;
      color: var(--text-light);
      font-weight: 600;
    }

    .price-features {
      margin-bottom: 24px;
      flex-grow: 1;
    }

    .price-features li {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 用户真实评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .review-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;
    }

    .review-quote {
      font-size: 0.9rem;
      color: var(--text-main);
      line-height: 1.6;
      margin-bottom: 18px;
    }

    .review-author-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 12px;
    }

    .review-avatar-char {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #fff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .review-name {
      font-size: 0.9rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .review-role {
      font-size: 0.75rem;
      color: var(--text-light);
    }

    /* FAQ 折叠手风琴 */
    .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: var(--primary);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 需求匹配与联系表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      align-items: start;
    }

    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .contact-info-card h3 {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .contact-meta-list {
      margin-bottom: 24px;
    }

    .contact-meta-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      margin-bottom: 12px;
      color: var(--text-muted);
    }

    .qr-container {
      background: #f8fafc;
      padding: 16px;
      border-radius: var(--radius-md);
      text-align: center;
      border: 1px solid var(--border-color);
      display: inline-block;
    }

    .qr-container img {
      width: 130px;
      height: 130px;
      margin: 0 auto 8px;
    }

    .qr-label {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

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

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #f8fafc;
      transition: all 0.2s ease;
      font-family: inherit;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(255, 0, 122, 0.1);
    }

    .form-textarea {
      resize: vertical;
      min-height: 100px;
    }

    /* 资讯与百科文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 24px;
    }

    .article-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      transition: all 0.2s ease;
    }

    .article-card:hover {
      border-color: var(--vibrant-purple);
      transform: translateY(-2px);
    }

    .article-card a {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      display: block;
      line-height: 1.5;
    }

    .article-card a:hover {
      color: var(--primary);
    }

    /* 加盟代理模块 */
    .agent-box {
      background: linear-gradient(135deg, rgba(255, 0, 122, 0.05) 0%, rgba(121, 40, 202, 0.08) 100%);
      border: 1px solid rgba(255, 0, 122, 0.2);
      border-radius: var(--radius-lg);
      padding: 40px;
      text-align: center;
    }

    .agent-box h3 {
      font-size: 1.8rem;
      font-weight: 900;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .agent-box p {
      max-width: 700px;
      margin: 0 auto 24px;
      color: var(--text-muted);
    }

    /* 友情链接 */
    .friendly-links-wrap {
      padding: 24px 0;
      border-top: 1px solid var(--border-color);
      font-size: 0.85rem;
      color: var(--text-muted);
    }

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

    .friendly-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .friendly-links-list a {
      color: var(--text-muted);
    }

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

    /* 统一规范的单层紧凑 Footer */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 40px 0 30px;
      border-top: 1px solid #1e293b;
    }

    .footer-content {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
      padding-bottom: 24px;
      border-bottom: 1px solid #1e293b;
      margin-bottom: 24px;
    }

    .footer-brand {
      font-size: 1.2rem;
      font-weight: 800;
      color: #ffffff;
    }

    .footer-nav {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }

    .footer-nav a {
      color: #cbd5e1;
      font-size: 0.9rem;
    }

    .footer-nav a:hover {
      color: #ffffff;
    }

    .footer-bottom {
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动操作栏 */
    .floating-actions {
      position: fixed;
      bottom: 30px;
      right: 25px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary);
      font-weight: 800;
      font-size: 1.1rem;
      transition: all 0.2s ease;
    }

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

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .services-grid, .pricing-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scene-grid, .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .media-showcase-grid, .platform-grid, .contact-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        box-shadow: var(--shadow-md);
      }

      .nav-menu.show {
        display: block;
      }

      .nav-links {
        flex-direction: column;
        align-items: flex-start;
      }

      .nav-link-item {
        width: 100%;
        padding: 10px 0;
      }

      .nav-actions {
        display: none;
      }

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

      .hero-title {
        font-size: 1.9rem;
      }

      .services-grid, .pricing-grid, .reviews-grid, .articles-grid, .hero-stats-grid {
        grid-template-columns: 1fr;
      }

      .flow-grid {
        grid-template-columns: 1fr;
      }
    }