:root {
      --primary: #5c16ff;
      --primary-gradient: linear-gradient(135deg, #5c16ff 0%, #ff007a 50%, #ff8c00 100%);
      --accent: #ff007a;
      --accent-warm: #ff5500;
      --bg-light: #faf9fd;
      --card-bg: #ffffff;
      --text-main: #181920;
      --text-muted: #5e6278;
      --border-subtle: #ebdffc;
      --border-color: #dfd7f2;
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --shadow-sm: 0 4px 12px rgba(92, 22, 255, 0.06);
      --shadow-md: 0 10px 30px rgba(92, 22, 255, 0.1);
      --shadow-hover: 0 16px 36px rgba(255, 0, 122, 0.16);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-light);
      background-image: 
        radial-gradient(at 0% 0%, rgba(92, 22, 255, 0.08) 0, transparent 40%),
        radial-gradient(at 100% 20%, rgba(255, 0, 122, 0.07) 0, transparent 45%),
        radial-gradient(at 50% 100%, rgba(255, 140, 0, 0.06) 0, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-subtle);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }

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

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

    .brand-logo-wrap {
      width: 130px;
      display: flex;
      align-items: center;
    }

    .brand-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      background: linear-gradient(90deg, #ff007a, #5c16ff);
      color: #ffffff;
      border-radius: 20px;
      letter-spacing: 0.5px;
    }

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

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

    .nav-links li a {
      font-size: 0.94rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--accent);
      background: rgba(255, 0, 122, 0.05);
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-left: 16px;
    }

    .btn-header {
      padding: 8px 20px;
      font-size: 0.9rem;
      font-weight: 600;
      border-radius: 40px;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .btn-header-primary {
      background: var(--primary-gradient);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(255, 0, 122, 0.35);
    }

    .btn-header-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(255, 0, 122, 0.45);
    }

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

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

    /* 首屏 Hero */
    .hero-section {
      padding: 80px 0 60px;
      position: relative;
    }

    .hero-wrap {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .hero-badge-row {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 20px;
    }

    .hero-pill {
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 20px;
      background: rgba(92, 22, 255, 0.08);
      color: var(--primary);
      border: 1px solid rgba(92, 22, 255, 0.2);
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

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

    .hero-desc {
      font-size: 1.12rem;
      color: var(--text-muted);
      margin-bottom: 32px;
      line-height: 1.75;
      max-width: 600px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      margin-bottom: 36px;
    }

    .btn-main {
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: var(--transition);
      cursor: pointer;
      border: none;
    }

    .btn-super {
      background: var(--primary-gradient);
      color: #ffffff;
      box-shadow: 0 8px 24px rgba(255, 0, 122, 0.38);
    }

    .btn-super:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 28px rgba(255, 0, 122, 0.5);
    }

    .btn-outline-glow {
      background: #ffffff;
      color: var(--primary);
      border: 2px solid var(--border-subtle);
    }

    .btn-outline-glow:hover {
      border-color: var(--primary);
      background: rgba(92, 22, 255, 0.04);
      transform: translateY(-2px);
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    .hero-tag-item {
      padding: 4px 10px;
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: 6px;
    }

    /* 首屏右侧纯CSS卡片构型（无图片） */
    .hero-card-matrix {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      position: relative;
    }

    .matrix-card {
      background: #ffffff;
      padding: 24px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .matrix-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: var(--primary-gradient);
      opacity: 0;
      transition: var(--transition);
    }

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

    .matrix-card:hover::before {
      opacity: 1;
    }

    .matrix-icon-box {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(92, 22, 255, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 14px;
      font-size: 1.1rem;
    }

    .matrix-card h3 {
      font-size: 1.05rem;
      margin-bottom: 8px;
      color: var(--text-main);
    }

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

    /* 通用区块排版 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

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

    .section-subtitle {
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--accent);
      margin-bottom: 10px;
      display: inline-block;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .section-lead {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 数据指标面板 */
    .metrics-bar {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-bottom: 60px;
    }

    .metric-col {
      text-align: center;
      border-right: 1px solid #f0eaf8;
    }

    .metric-col:last-child {
      border-right: none;
    }

    .metric-num {
      font-size: 2.5rem;
      font-weight: 900;
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1.1;
      margin-bottom: 6px;
    }

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

    /* 服务能力卡片列表 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

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

    .service-card {
      background: #ffffff;
      padding: 30px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .service-badge-top {
      align-self: flex-start;
      font-size: 0.75rem;
      font-weight: 700;
      background: rgba(92, 22, 255, 0.08);
      color: var(--primary);
      padding: 3px 10px;
      border-radius: 12px;
      margin-bottom: 16px;
    }

    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
      margin-bottom: 16px;
    }

    .service-features-list {
      list-style: none;
      padding-top: 14px;
      border-top: 1px dashed var(--border-subtle);
      font-size: 0.85rem;
      color: var(--text-main);
    }

    .service-features-list li {
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .service-features-list li::before {
      content: "✦";
      color: var(--accent);
      font-size: 0.75rem;
    }

    /* 多模型生态徽章区 */
    .models-cloud-wrap {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px 32px;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

    .models-cloud-wrap h3 {
      font-size: 1.3rem;
      margin-bottom: 24px;
    }

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

    .model-tag {
      padding: 8px 16px;
      border-radius: 30px;
      background: #fbf9ff;
      border: 1px solid var(--border-subtle);
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      transition: var(--transition);
    }

    .model-tag:hover {
      background: var(--primary-gradient);
      color: #ffffff;
      border-color: transparent;
      transform: scale(1.05);
    }

    /* 案例中心 */
    .case-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .case-media-box {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f2edf8;
      overflow: hidden;
      position: relative;
    }

    .case-media-box.square-ratio {
      aspect-ratio: 1 / 1;
    }

    .case-media-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-media-box img {
      transform: scale(1.04);
    }

    .case-info {
      padding: 22px 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .case-cat {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 6px;
    }

    .case-info h3 {
      font-size: 1.15rem;
      margin-bottom: 10px;
    }

    .case-info p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    /* 对比评测版块 */
    .review-highlight-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 2px solid #ff007a;
      box-shadow: var(--shadow-md);
      padding: 36px;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
    }

    .review-score-area {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-big {
      font-size: 4rem;
      font-weight: 900;
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1;
    }

    .stars-box {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .stars-rendered {
      color: #ff9900;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .score-desc {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-muted);
    }

    .review-lead-text {
      max-width: 620px;
      font-size: 0.98rem;
      color: var(--text-main);
      line-height: 1.7;
    }

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

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
      min-width: 680px;
    }

    .comparison-table th, 
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-subtle);
    }

    .comparison-table th {
      background: #fbf9ff;
      font-weight: 700;
      color: var(--text-main);
    }

    .comparison-table th.col-highlight {
      background: #fff3f8;
      color: var(--accent);
      font-weight: 800;
      border-top: 3px solid var(--accent);
    }

    .comparison-table td.col-highlight {
      background: #fffcfd;
      font-weight: 600;
      color: var(--primary);
    }

    /* 标准流程 4 步 */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .flow-step-card {
      background: #ffffff;
      padding: 30px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .flow-step-number {
      font-size: 2.2rem;
      font-weight: 900;
      color: rgba(92, 22, 255, 0.15);
      margin-bottom: 8px;
      line-height: 1;
    }

    .flow-step-card h3 {
      font-size: 1.15rem;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .flow-step-card p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 加盟代理与被动收入专区 */
    .agent-promo-card {
      background: linear-gradient(135deg, #ffffff 0%, #fdf8ff 100%);
      border: 2px solid #ebd8ff;
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
    }

    .agent-promo-card h3 {
      font-size: 1.85rem;
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .agent-promo-card p {
      font-size: 0.98rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.7;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 28px;
    }

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

    .agent-side-box {
      background: #ffffff;
      padding: 30px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

    .agent-side-box .price-tag {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--accent);
      margin-bottom: 8px;
    }

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

    .review-card {
      background: #ffffff;
      padding: 28px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: #ff9900;
      margin-bottom: 12px;
      font-size: 0.95rem;
    }

    .review-body {
      font-size: 0.92rem;
      color: var(--text-main);
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f2edf8;
      padding-top: 14px;
    }

    .user-avatar-initial {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
      flex-shrink: 0;
    }

    .user-meta h4 {
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 2px;
    }

    .user-meta span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* FAQ 折叠面板 */
    .faq-container {
      max-width: 920px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-item.active {
      border-color: rgba(92, 22, 255, 0.35);
      box-shadow: var(--shadow-md);
    }

    .faq-trigger {
      width: 100%;
      text-align: left;
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      background: transparent;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

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

    .faq-icon-arrow {
      width: 22px;
      height: 22px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.3s ease;
      font-size: 1rem;
      font-weight: 800;
      color: var(--text-muted);
    }

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

    .faq-content {
      display: none;
      padding: 0 24px 22px;
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

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

    /* 文章列表 & AI百科 */
    .articles-block-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 32px;
    }

    .article-box, .wiki-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-subtle);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .article-links-list li {
      padding-bottom: 12px;
      border-bottom: 1px dashed var(--border-subtle);
    }

    .article-links-list li:last-child {
      border-bottom: none;
    }

    .article-links-list a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      transition: var(--transition);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .article-links-list a:hover {
      color: var(--accent);
      padding-left: 4px;
    }

    /* 表单与联系区 */
    .contact-form-layout {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: start;
    }

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

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1px solid #dcd3ea;
      border-radius: var(--radius-sm);
      background: #fbf9ff;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(92, 22, 255, 0.12);
    }

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

    .contact-info-panel {
      background: #ffffff;
      padding: 36px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .contact-item-row {
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }

    .contact-icon {
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background: rgba(92, 22, 255, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex-shrink: 0;
    }

    .contact-item-row h4 {
      font-size: 1rem;
      margin-bottom: 4px;
    }

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

    .qr-showcase {
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 20px;
      background: #fbf9ff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-subtle);
      text-align: center;
    }

    .qr-img-box {
      width: 140px;
      height: 140px;
      background: #ffffff;
      padding: 8px;
      border-radius: 8px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 12px;
    }

    .qr-img-box img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    /* 友情链接专区 */
    .links-partner-box {
      padding: 28px 0;
      border-top: 1px solid var(--border-subtle);
      margin-top: 50px;
    }

    .links-partner-box h4 {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-muted);
      margin-bottom: 12px;
    }

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

    .partner-flex-links a {
      font-size: 0.88rem;
      color: var(--text-muted);
      transition: var(--transition);
      background: #ffffff;
      padding: 6px 14px;
      border-radius: 20px;
      border: 1px solid var(--border-subtle);
    }

    .partner-flex-links a:hover {
      color: var(--primary);
      border-color: var(--primary);
      background: rgba(92, 22, 255, 0.04);
    }

    /* 页脚设计 */
    .site-footer {
      background: #12131a;
      color: #a0a3bd;
      padding: 50px 0 30px;
      margin-top: 60px;
      border-top: 3px solid var(--accent);
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      padding-bottom: 40px;
      border-bottom: 1px solid #232533;
    }

    .footer-brand-side p {
      font-size: 0.9rem;
      line-height: 1.65;
      margin: 16px 0 20px;
      max-width: 320px;
    }

    .footer-col h4 {
      font-size: 1.05rem;
      color: #ffffff;
      margin-bottom: 18px;
    }

    .footer-links-nav {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.88rem;
    }

    .footer-links-nav a {
      color: #a0a3bd;
      transition: var(--transition);
    }

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

    .footer-bottom {
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: #6b6f8a;
    }

    /* 悬浮快捷客服 */
    .floating-kefu {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--primary);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
      border: 1px solid var(--border-subtle);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition);
      font-weight: 700;
      position: relative;
    }

    .float-btn-accent {
      background: var(--primary-gradient);
      color: #ffffff;
      border: none;
    }

    .float-btn:hover {
      transform: translateY(-3px) scale(1.05);
    }

    .float-qr-popover {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: 12px;
      box-shadow: var(--shadow-hover);
      border: 1px solid var(--border-subtle);
      display: none;
      width: 140px;
      text-align: center;
    }

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

    .float-qr-popover img {
      width: 100%;
      height: auto;
      border-radius: 6px;
      margin-bottom: 6px;
    }

    .float-qr-popover span {
      font-size: 0.75rem;
      color: var(--text-main);
      font-weight: 600;
    }

    /* 响应式样式适配 */
    @media (max-width: 992px) {
      .hero-wrap {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .metrics-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .metric-col:nth-child(2) {
        border-right: none;
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .articles-block-grid {
        grid-template-columns: 1fr;
      }
      .agent-promo-card {
        grid-template-columns: 1fr;
      }
      .contact-form-layout {
        grid-template-columns: 1fr;
      }
      .footer-inner {
        grid-template-columns: 1fr 1fr;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-subtle);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-toggle {
        display: block;
      }
      .hero-title {
        font-size: 2.2rem;
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 1.85rem;
      }
      .metrics-bar {
        grid-template-columns: 1fr;
      }
      .metric-col {
        border-right: none;
        border-bottom: 1px solid #f0eaf8;
        padding-bottom: 16px;
      }
      .metric-col:last-child {
        border-bottom: none;
        padding-bottom: 0;
      }
      .grid-3, .grid-4, .reviews-grid, .flow-steps-grid {
        grid-template-columns: 1fr;
      }
      .review-highlight-card {
        flex-direction: column;
        text-align: center;
        padding: 24px;
      }
      .review-score-area {
        flex-direction: column;
      }
      .footer-inner {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
      .agent-perks {
        grid-template-columns: 1fr;
      }
      .hero-card-matrix {
        grid-template-columns: 1fr;
      }
    }