:root {
      --primary-color: #ff3366;
      --secondary-color: #7928ca;
      --accent-color: #00d2ff;
      --bright-amber: #ffaa00;
      --deep-text: #1a1a2e;
      --medium-text: #4a4d65;
      --light-text: #737898;
      --bg-base: #f8faff;
      --card-bg: #ffffff;
      --border-color: #e5e9f5;
      --border-accent: #ffd1dc;
      --max-width: 1200px;
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --shadow-sm: 0 4px 12px rgba(26, 26, 46, 0.05);
      --shadow-md: 0 10px 25px rgba(121, 40, 202, 0.08);
      --shadow-lg: 0 20px 40px rgba(255, 51, 102, 0.12);
      --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;
    }

    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-base);
      color: var(--deep-text);
      line-height: 1.65;
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

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

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: var(--max-width);
      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, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

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

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

    .brand-wrap .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    .nav-links li a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--deep-text);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--primary-color);
      background-color: rgba(255, 51, 102, 0.08);
    }

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

    .btn-portal-entry {
      background: linear-gradient(135deg, var(--primary-color), var(--bright-amber));
      color: #ffffff !important;
      font-weight: 700;
      font-size: 0.9rem;
      padding: 8px 18px;
      border-radius: 99px;
      box-shadow: 0 4px 15px rgba(255, 51, 102, 0.35);
      transform: translateY(0);
    }

    .btn-portal-entry:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 51, 102, 0.5);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 6px 10px;
      border-radius: 6px;
      font-size: 1.2rem;
      cursor: pointer;
      color: var(--deep-text);
    }

    /* 模块通用样式 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

    .section-head {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(255, 51, 102, 0.1);
      color: var(--primary-color);
      border: 1px solid rgba(255, 51, 102, 0.25);
      border-radius: 99px;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

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

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

    /* 首屏纯几何科技撞色 Hero (无任何图片) */
    .hero-section {
      padding: 90px 0 70px;
      background: radial-gradient(circle at 10% 20%, rgba(255, 51, 102, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(0, 210, 255, 0.1) 0%, transparent 45%),
                  radial-gradient(circle at 50% 50%, rgba(121, 40, 202, 0.05) 0%, transparent 60%);
      border-bottom: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
    }

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

    .hero-h1 {
      font-size: 2.7rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-h1 .gradient-text {
      background: linear-gradient(120deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-desc {
      font-size: 1.2rem;
      color: var(--medium-text);
      max-width: 760px;
      margin: 0 auto 36px;
      font-weight: 500;
    }

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

    .btn-main-hero {
      background: linear-gradient(135deg, #ff0055, #7928ca);
      color: #ffffff !important;
      font-size: 1.15rem;
      font-weight: 800;
      padding: 16px 40px;
      border-radius: 99px;
      box-shadow: 0 10px 30px rgba(255, 0, 85, 0.4);
      border: none;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      transform: translateY(0);
    }

    .btn-main-hero:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 16px 40px rgba(255, 0, 85, 0.55);
    }

    .btn-sec-hero {
      background: #ffffff;
      color: var(--deep-text);
      font-size: 1.1rem;
      font-weight: 700;
      padding: 15px 34px;
      border-radius: 99px;
      border: 2px solid var(--secondary-color);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-sec-hero:hover {
      background: rgba(121, 40, 202, 0.05);
      border-color: var(--primary-color);
      color: var(--primary-color);
    }

    /* 纯 CSS 科技几何指标卡组 */
    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
    }

    .metric-card {
      background: #ffffff;
      border: 2px solid var(--border-color);
      padding: 24px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary-color), var(--bright-amber));
    }

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

    .metric-num {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--deep-text);
      line-height: 1;
      margin-bottom: 6px;
    }

    .metric-num span {
      font-size: 1.1rem;
      color: var(--primary-color);
    }

    .metric-label {
      font-size: 0.9rem;
      color: var(--light-text);
      font-weight: 600;
    }

    /* 模型矩阵胶囊云 */
    .model-tags-section {
      background: #ffffff;
      padding: 28px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .model-tags-wrapper {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      align-items: center;
    }

    .tag-title {
      font-weight: 800;
      font-size: 0.95rem;
      color: var(--primary-color);
      margin-right: 12px;
      border-left: 4px solid var(--primary-color);
      padding-left: 8px;
    }

    .model-tag {
      background: var(--bg-base);
      color: var(--deep-text);
      border: 1px solid var(--border-color);
      padding: 5px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      transition: var(--transition);
    }

    .model-tag:hover {
      background: var(--primary-color);
      color: #ffffff;
      border-color: var(--primary-color);
      transform: translateY(-2px);
    }

    /* 平台深度介绍 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .intro-info h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 18px;
      color: var(--deep-text);
    }

    .intro-info p {
      color: var(--medium-text);
      font-size: 1.05rem;
      margin-bottom: 24px;
    }

    .intro-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .intro-point-item {
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-sm);
      border-left: 4px solid var(--secondary-color);
      box-shadow: var(--shadow-sm);
    }

    .intro-point-item strong {
      display: block;
      color: var(--deep-text);
      font-size: 1rem;
      margin-bottom: 4px;
    }

    .intro-point-item span {
      font-size: 0.85rem;
      color: var(--light-text);
    }

    .intro-media-box {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: var(--shadow-md);
    }

    .intro-media-box img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-sm);
      display: block;
    }

    /* AIGC工坊与服务核心网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 28px 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }

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

    .service-tag {
      position: absolute;
      top: 20px;
      right: 20px;
      background: rgba(121, 40, 202, 0.08);
      color: var(--secondary-color);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 12px;
    }

    .service-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(255, 51, 102, 0.12), rgba(0, 210, 255, 0.12));
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      font-size: 1.4rem;
      color: var(--primary-color);
    }

    .service-card h4 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--deep-text);
    }

    .service-card p {
      font-size: 0.95rem;
      color: var(--medium-text);
      line-height: 1.55;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-features {
      border-top: 1px dashed var(--border-color);
      padding-top: 12px;
      font-size: 0.85rem;
      color: var(--light-text);
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .service-features span::before {
      content: "✓ ";
      color: var(--primary-color);
      font-weight: bold;
    }

    /* 行业案例双列呈现 */
    .case-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

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

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

    .case-img-wrap {
      width: 100%;
      height: 240px;
      overflow: hidden;
      background: #eef2f9;
    }

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

    .case-body {
      padding: 24px;
    }

    .case-body h4 {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .case-body p {
      font-size: 0.92rem;
      color: var(--medium-text);
      margin-bottom: 14px;
    }

    .case-badge-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .case-badge {
      background: #f0f4ff;
      color: var(--secondary-color);
      padding: 3px 10px;
      border-radius: 4px;
      font-size: 0.8rem;
      font-weight: 600;
    }

    /* 标准五步生产流程 */
    .steps-container {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

    .step-card:hover {
      border-color: var(--bright-amber);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .step-number {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, var(--bright-amber), var(--primary-color));
      color: #ffffff;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-size: 1.1rem;
    }

    .step-card h5 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    /* 对比评测卡片与表格 */
    .benchmark-wrap {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 2px solid var(--border-accent);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .benchmark-highlight {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 24px;
      border-bottom: 2px solid var(--border-color);
      margin-bottom: 24px;
      flex-wrap: wrap;
      gap: 20px;
    }

    .benchmark-score-box {
      display: flex;
      align-items: baseline;
      gap: 12px;
    }

    .score-badge {
      background: linear-gradient(135deg, var(--primary-color), var(--bright-amber));
      color: #ffffff;
      padding: 6px 16px;
      border-radius: 99px;
      font-size: 0.95rem;
      font-weight: 800;
    }

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

    .score-total {
      font-size: 1.2rem;
      color: var(--light-text);
      font-weight: 600;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
    }

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

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }

    .compare-table th {
      background: var(--bg-base);
      color: var(--deep-text);
      font-weight: 800;
    }

    .compare-table tr:hover td {
      background: rgba(255, 51, 102, 0.02);
    }

    .compare-table .brand-col {
      color: var(--primary-color);
      font-weight: 800;
      background: rgba(255, 51, 102, 0.04);
    }

    /* 6条真实用户评价 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .review-quote {
      font-size: 0.95rem;
      color: var(--deep-text);
      line-height: 1.6;
      margin-bottom: 18px;
      font-style: normal;
    }

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

    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
    }

    .reviewer-info h6 {
      font-size: 0.95rem;
      font-weight: 700;
    }

    .reviewer-info span {
      font-size: 0.8rem;
      color: var(--light-text);
    }

    /* 加盟代理板块 */
    .agency-box {
      background: linear-gradient(135deg, #1f1b2e 0%, #2e1d3e 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .agency-text h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .agency-text p {
      color: #c9cddb;
      font-size: 1.05rem;
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .agency-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 30px;
    }

    .agency-perk-item {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      padding: 14px;
    }

    .agency-perk-item strong {
      color: var(--bright-amber);
      display: block;
      font-size: 0.95rem;
    }

    .agency-perk-item span {
      color: #e2e5f1;
      font-size: 0.85rem;
    }

    .agency-qr-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-md);
      text-align: center;
      color: var(--deep-text);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }

    .agency-qr-card img {
      width: 170px;
      height: 170px;
      margin: 0 auto 12px;
      display: block;
      border-radius: 8px;
    }

    .agency-qr-card p {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--deep-text);
      margin-bottom: 4px;
    }

    .agency-qr-card span {
      font-size: 0.8rem;
      color: var(--light-text);
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-question {
      padding: 18px 24px;
      font-weight: 700;
      font-size: 1.05rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #ffffff;
      color: var(--deep-text);
    }

    .faq-question:hover {
      color: var(--primary-color);
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      color: var(--light-text);
      transition: transform 0.3s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      color: var(--medium-text);
      font-size: 0.95rem;
      line-height: 1.6;
      border-top: 1px solid #f0f2f8;
      padding-top: 14px;
    }

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

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

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

    /* 需求匹配与联系我们表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
    }

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

    .channel-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      margin-bottom: 22px;
    }

    .channel-icon {
      width: 42px;
      height: 42px;
      background: rgba(255, 51, 102, 0.1);
      color: var(--primary-color);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      flex-shrink: 0;
    }

    .channel-detail h6 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .channel-detail p, .channel-detail a {
      font-size: 0.92rem;
      color: var(--medium-text);
    }

    .form-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 2px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--deep-text);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--deep-text);
      background-color: var(--bg-base);
      transition: var(--transition);
      outline: none;
    }

    .form-control:focus {
      border-color: var(--primary-color);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(255, 51, 102, 0.15);
    }

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

    .btn-submit-form {
      width: 100%;
      padding: 14px;
      border-radius: var(--radius-sm);
      border: none;
      background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
      color: #ffffff;
      font-size: 1rem;
      font-weight: 800;
      cursor: pointer;
      box-shadow: var(--shadow-md);
      transition: var(--transition);
    }

    .btn-submit-form:hover {
      opacity: 0.95;
      transform: translateY(-2px);
    }

    /* 文章列表与资讯 */
    .article-wrap {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 28px;
    }

    .article-list {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
      gap: 16px;
      margin-top: 16px;
    }

    .article-item {
      padding: 14px;
      border-radius: var(--radius-sm);
      background: var(--bg-base);
      border-left: 3px solid var(--accent-color);
      transition: var(--transition);
    }

    .article-item a {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--deep-text);
      display: block;
      word-break: break-all;
    }

    .article-item:hover {
      background: #ffffff;
      box-shadow: var(--shadow-sm);
      transform: translateX(4px);
    }

    /* 页脚与友情链接 */
    .site-footer {
      background: #111222;
      color: #a4a8c0;
      padding: 50px 0 30px;
      margin-top: auto;
      border-top: 3px solid var(--primary-color);
    }

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

    .footer-col h5 {
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .footer-col p {
      font-size: 0.9rem;
      line-height: 1.6;
      margin-bottom: 12px;
    }

    .friendly-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .friendly-links a {
      color: #c9cee2;
      font-size: 0.85rem;
      background: rgba(255, 255, 255, 0.08);
      padding: 5px 12px;
      border-radius: 4px;
      transition: var(--transition);
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #797e9c;
    }

    /* 悬浮客服面板 */
    .floating-kefu {
      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: linear-gradient(135deg, var(--primary-color), var(--bright-amber));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 6px 20px rgba(255, 51, 102, 0.4);
      cursor: pointer;
      font-size: 1.2rem;
      font-weight: bold;
      border: none;
      transition: var(--transition);
    }

    .floating-btn:hover {
      transform: scale(1.08);
    }

    /* 响应式样式适配 */
    @media (max-width: 992px) {
      .hero-h1 {
        font-size: 2.2rem;
      }
      .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-container {
        grid-template-columns: repeat(3, 1fr);
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .intro-grid, .case-grid, .contact-grid, .agency-box {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        border-bottom: 2px solid var(--border-color);
        display: none;
        padding: 16px 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid var(--border-color);
      }
      .hero-h1 {
        font-size: 1.8rem;
      }
      .hero-metrics {
        grid-template-columns: 1fr;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .steps-container {
        grid-template-columns: 1fr;
      }
      .section-wrap {
        padding: 50px 0;
      }
      .benchmark-wrap {
        padding: 20px;
      }
      .agency-box {
        padding: 24px;
      }
    }