/* ========== CSS 基础变量与重置 (艳色潮流风 + 浅色底) ========== */
    :root {
      --primary-color: #582be8;
      --primary-hover: #451ec9;
      --accent-magenta: #f02575;
      --accent-cyan: #00d2ff;
      --accent-amber: #ff9800;
      --accent-lime: #00e676;
      --text-main: #181920;
      --text-regular: #3a3d4d;
      --text-muted: #646a7d;
      --bg-page: #f9fafe;
      --bg-card: #ffffff;
      --bg-soft: #f1f4fb;
      --bg-vibrant-soft: #f4f0ff;
      --border-color: #e3e6f0;
      --border-vibrant: rgba(88, 43, 232, 0.2);
      --gradient-brand: linear-gradient(135deg, #582be8 0%, #f02575 100%);
      --gradient-vibrant: linear-gradient(135deg, #ff007a 0%, #7928ca 50%, #00d2ff 100%);
      --gradient-warm: linear-gradient(135deg, #f02575 0%, #ff7a00 100%);
      --gradient-cool: linear-gradient(135deg, #00d2ff 0%, #582be8 100%);
      --shadow-sm: 0 2px 8px rgba(24, 25, 32, 0.04);
      --shadow-md: 0 8px 24px rgba(88, 43, 232, 0.08);
      --shadow-lg: 0 16px 36px rgba(88, 43, 232, 0.14);
      --shadow-neon: 0 10px 30px rgba(240, 37, 117, 0.18);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --radius-full: 9999px;
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
      --container-max: 1240px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "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;
      background-image: 
        radial-gradient(circle at 10% 15%, rgba(88, 43, 232, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 45%, rgba(240, 37, 117, 0.05) 0%, transparent 45%),
        radial-gradient(circle at 20% 85%, rgba(0, 210, 255, 0.04) 0%, transparent 40%);
      background-attachment: fixed;
    }

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

    ul, ol {
      list-style: none;
    }

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

    button, input, select, textarea {
      font-family: inherit;
      outline: none;
      border: none;
    }

    /* ========== 统一居中容器体系 ========== */
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .section-spacing {
      padding: 72px 0;
      position: relative;
    }

    /* ========== 通用标题与徽标设计 ========== */
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 48px auto;
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--bg-vibrant-soft);
      border: 1px solid var(--border-vibrant);
      color: var(--primary-color);
      font-size: 0.85rem;
      font-weight: 700;
      padding: 6px 16px;
      border-radius: var(--radius-full);
      margin-bottom: 14px;
      box-shadow: var(--shadow-sm);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
    }

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

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

    /* ========== 按钮规范 ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 0.95rem;
      font-weight: 600;
      padding: 12px 26px;
      border-radius: var(--radius-full);
      cursor: pointer;
      transition: var(--transition);
      text-align: center;
      white-space: nowrap;
    }

    .btn-gradient {
      background: var(--gradient-brand);
      color: #ffffff !important;
      box-shadow: 0 6px 18px rgba(88, 43, 232, 0.3);
    }

    .btn-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(88, 43, 232, 0.45);
      filter: brightness(1.05);
    }

    .btn-accent {
      background: var(--gradient-warm);
      color: #ffffff !important;
      box-shadow: 0 6px 18px rgba(240, 37, 117, 0.3);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(240, 37, 117, 0.45);
      filter: brightness(1.05);
    }

    .btn-outline {
      background: #ffffff;
      color: var(--primary-color) !important;
      border: 1.5px solid var(--primary-color);
      box-shadow: var(--shadow-sm);
    }

    .btn-outline:hover {
      background: var(--bg-vibrant-soft);
      transform: translateY(-2px);
    }

    .btn-sm {
      padding: 8px 18px;
      font-size: 0.88rem;
    }

    .btn-lg {
      padding: 15px 34px;
      font-size: 1.05rem;
      font-weight: 700;
    }

    /* ========== 顶部导航 ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(227, 230, 240, 0.8);
      transition: var(--transition);
    }

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

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .ai-page-logo {
      height: 42px;
      width: auto;
      max-width: 140px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0; /* 用户特别要求：.nav-links的gap属性设置为0 */
    }

    .nav-item {
      padding: 8px 14px;
      font-size: 0.93rem;
      font-weight: 600;
      color: var(--text-regular);
      position: relative;
      transition: var(--transition);
      border-radius: var(--radius-sm);
    }

    .nav-item:hover, .nav-item.active {
      color: var(--primary-color);
      background: rgba(88, 43, 232, 0.05);
    }

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

    .menu-toggle {
      display: none;
      background: transparent;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-main);
      padding: 6px;
    }

    /* ========== 首屏 HERO (无图片设计) ========== */
    .hero-section {
      padding: 60px 0 70px 0;
      background: linear-gradient(180deg, rgba(88, 43, 232, 0.03) 0%, rgba(249, 250, 254, 1) 100%);
      position: relative;
    }

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

    .hero-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 1px solid var(--border-vibrant);
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-pill .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-lime);
      box-shadow: 0 0 10px var(--accent-lime);
    }

    .hero-pill span {
      font-size: 0.88rem;
      font-weight: 700;
      background: var(--gradient-brand);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-h1 {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 20px;
    }

    .hero-h1 .glow-text {
      background: var(--gradient-vibrant);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.18rem;
      color: var(--text-regular);
      line-height: 1.7;
      margin-bottom: 34px;
      max-width: 840px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .btn-hero-main {
      font-size: 1.1rem;
      padding: 16px 36px;
      background: var(--gradient-warm);
      color: #ffffff;
      border-radius: var(--radius-full);
      font-weight: 700;
      box-shadow: var(--shadow-neon);
    }

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

    .metric-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 24px 18px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--gradient-brand);
      opacity: 0;
      transition: var(--transition);
    }

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

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

    .metric-val {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 4px;
      font-feature-settings: "tnum";
    }

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

    /* ========== 平台介绍 & 关于我们 ========== */
    .about-card-main {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      position: relative;
      overflow: hidden;
    }

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

    .about-text h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .about-text p {
      color: var(--text-regular);
      margin-bottom: 16px;
      font-size: 0.98rem;
    }

    .about-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 24px;
    }

    .about-point-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: var(--bg-soft);
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .about-point-icon {
      color: var(--accent-magenta);
      font-size: 1.1rem;
      line-height: 1;
    }

    .model-badge-box {
      background: var(--bg-vibrant-soft);
      border: 1px dashed var(--primary-color);
      border-radius: var(--radius-md);
      padding: 28px;
    }

    .model-badge-box h4 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: var(--primary-color);
    }

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

    .tech-tag {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 5px 12px;
      border-radius: var(--radius-full);
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--text-regular);
      transition: var(--transition);
    }

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

    /* ========== AIGC服务 & 一站式制作场景 ========== */
    .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: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .service-icon {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-md);
      background: var(--gradient-brand);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 20px;
      box-shadow: 0 8px 18px rgba(88, 43, 232, 0.25);
    }

    .service-card:nth-child(2n) .service-icon {
      background: var(--gradient-warm);
      box-shadow: 0 8px 18px rgba(240, 37, 117, 0.25);
    }

    .service-card:nth-child(3n) .service-icon {
      background: var(--gradient-cool);
      box-shadow: 0 8px 18px rgba(0, 210, 255, 0.25);
    }

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

    .service-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

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

    .service-tag {
      background: var(--bg-soft);
      font-size: 0.76rem;
      padding: 3px 8px;
      border-radius: 4px;
      color: var(--text-regular);
      font-weight: 600;
    }

    /* ========== 行业解决方案 ========== */
    .solutions-tabs-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
    }

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

    .solution-item {
      background: var(--bg-soft);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      border: 1px solid transparent;
      transition: var(--transition);
    }

    .solution-item:hover {
      background: #ffffff;
      border-color: var(--primary-color);
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }

    .solution-item h4 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .solution-item p {
      font-size: 0.88rem;
      color: var(--text-regular);
      line-height: 1.55;
    }

    /* ========== 服务网络与交付保障 ========== */
    .network-section-box {
      background: linear-gradient(135deg, #181920 0%, #282a36 100%);
      border-radius: var(--radius-lg);
      padding: 48px;
      color: #ffffff;
      box-shadow: var(--shadow-lg);
    }

    .network-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .network-info h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 16px;
      background: var(--gradient-vibrant);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .network-info p {
      color: #c9ccd6;
      font-size: 0.98rem;
      line-height: 1.65;
      margin-bottom: 24px;
    }

    .network-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .n-stat-card {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 18px 14px;
      text-align: center;
    }

    .n-stat-num {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--accent-cyan);
      margin-bottom: 4px;
    }

    .n-stat-text {
      font-size: 0.82rem;
      color: #a0a5b5;
    }

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

    .process-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .step-number {
      font-size: 2.2rem;
      font-weight: 900;
      background: var(--gradient-brand);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1;
      margin-bottom: 12px;
    }

    .step-title {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .step-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* ========== 案例中心 (合理使用素材图片) ========== */
    .case-banner-wrapper {
      margin-bottom: 30px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
      background: #ffffff;
    }

    .case-banner-wrapper img {
      width: 100%;
      height: auto;
      max-height: 380px;
      object-fit: cover;
    }

    .case-materials-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

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

    .case-img-box {
      overflow: hidden;
      position: relative;
    }

    .case-img-box img {
      width: 100%;
      height: 230px;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

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

    .case-card-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-card-body h4 {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .case-card-body p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* ========== 对比评测 ========== */
    .review-score-hero {
      background: #ffffff;
      border: 2px solid var(--border-vibrant);
      border-radius: var(--radius-lg);
      padding: 32px 40px;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      flex-wrap: wrap;
      gap: 20px;
    }

    .score-badge-left {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-circle {
      width: 84px;
      height: 84px;
      border-radius: 50%;
      background: var(--gradient-warm);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-neon);
    }

    .score-circle .num {
      font-size: 1.9rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-circle .max {
      font-size: 0.72rem;
      opacity: 0.9;
    }

    .score-text-detail h3 {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .stars {
      color: #ff9800;
      font-size: 1.15rem;
      margin-bottom: 4px;
    }

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

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

    .comparison-table th, .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }

    .comparison-table th {
      background: var(--bg-soft);
      font-weight: 800;
      color: var(--text-main);
    }

    .comparison-table td.highlight {
      background: rgba(88, 43, 232, 0.04);
      font-weight: 700;
      color: var(--primary-color);
    }

    /* ========== Token比价与模型矩阵 ========== */
    .token-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);
      transition: var(--transition);
      position: relative;
      display: flex;
      flex-direction: column;
    }

    .price-card.featured {
      border: 2px solid var(--primary-color);
      box-shadow: var(--shadow-lg);
      transform: scale(1.02);
    }

    .price-badge-hot {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--gradient-warm);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 10px rgba(240, 37, 117, 0.3);
    }

    .price-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .price-rate {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary-color);
      margin: 16px 0;
      line-height: 1;
    }

    .price-rate span {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 500;
    }

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

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

    .price-features li::before {
      content: "✓";
      color: var(--accent-lime);
      font-weight: 900;
    }

    /* ========== 加盟代理与算力被动收益 ========== */
    .agent-box {
      background: linear-gradient(135deg, #f4f0ff 0%, #fff0f7 100%);
      border: 2px solid var(--border-vibrant);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .agent-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 32px;
      align-items: center;
    }

    .agent-benefits {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 20px;
    }

    .agent-benefit-item {
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }

    .agent-benefit-item h5 {
      font-size: 1rem;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 6px;
    }

    .agent-benefit-item p {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

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

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

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

    .review-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

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

    .review-user-info h5 {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .review-user-info span {
      font-size: 0.8rem;
      color: var(--primary-color);
      font-weight: 600;
    }

    .review-body {
      font-size: 0.88rem;
      color: var(--text-regular);
      line-height: 1.6;
      font-style: italic;
    }

    /* ========== FAQ 折叠面板 (>=10条) ========== */
    .faq-accordion {
      max-width: 920px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

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

    .faq-question {
      padding: 18px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-weight: 700;
      font-size: 1rem;
      color: var(--text-main);
      background: #ffffff;
      user-select: none;
    }

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

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out, padding 0.35s ease;
      background: var(--bg-soft);
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      padding: 16px 24px 20px 24px;
      max-height: 250px;
    }

    .faq-answer p {
      font-size: 0.92rem;
      color: var(--text-regular);
      line-height: 1.65;
    }

    /* ========== 需求匹配与表单 + 联系我们 ========== */
    .contact-form-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-lg);
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
    }

    .contact-info-panel h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .contact-info-panel p {
      color: var(--text-regular);
      font-size: 0.94rem;
      margin-bottom: 24px;
    }

    .qr-card-box {
      background: var(--bg-soft);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
      margin-bottom: 24px;
    }

    .qr-card-box img {
      width: 140px;
      height: 140px;
      object-fit: contain;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      background: #fff;
    }

    .qr-card-box span {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .contact-meta-list li {
      font-size: 0.92rem;
      color: var(--text-regular);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

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

    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: var(--bg-soft);
      font-size: 0.92rem;
      color: var(--text-main);
      transition: var(--transition);
    }

    .form-control:focus {
      background: #ffffff;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(88, 43, 232, 0.12);
    }

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

    /* ========== 行业资讯与最新文章 ========== */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .article-date {
      font-size: 0.8rem;
      color: var(--accent-magenta);
      font-weight: 700;
      margin-bottom: 8px;
    }

    .article-title {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .article-card a {
      color: var(--primary-color);
      font-weight: 700;
      font-size: 0.88rem;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      margin-top: 14px;
    }

    /* ========== 帮助中心 & AI百科 ========== */
    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .wiki-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
    }

    .wiki-card h4 {
      font-size: 1.08rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .wiki-card p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* ========== 页脚 FOOTER ========== */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 28px 0;
      color: var(--text-regular);
    }

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

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .footer-links-list li {
      margin-bottom: 8px;
    }

    .footer-links-list a {
      font-size: 0.88rem;
      color: var(--text-muted);
      transition: var(--transition);
    }

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

    .friend-links-box {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .friend-links-box a {
      background: var(--bg-soft);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      font-size: 0.82rem;
      color: var(--text-regular);
      border: 1px solid var(--border-color);
    }

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

    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.85rem;
      color: var(--text-muted);
      flex-wrap: wrap;
      gap: 12px;
    }

    /* ========== 浮动挂件 & 返回顶部 ========== */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary-color);
      font-size: 1.2rem;
      transition: var(--transition);
    }

    .float-btn:hover {
      background: var(--primary-color);
      color: #ffffff;
      transform: scale(1.1);
    }

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

    .float-qr-hover {
      display: none;
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      width: 140px;
      text-align: center;
    }

    .float-qr-hover img {
      width: 100%;
      height: auto;
    }

    .float-qr-hover span {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--text-main);
      display: block;
      margin-top: 4px;
    }

    /* ========== 响应式断点适配 ========== */
    @media (max-width: 1024px) {
      .hero-h1 {
        font-size: 2.3rem;
      }
      .services-grid, .token-pricing-grid, .reviews-grid, .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .solutions-grid, .process-timeline, .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .navbar {
        height: 64px;
      }
      .menu-toggle {
        display: block;
      }
      .nav-links {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        display: none;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-item {
        width: 100%;
        text-align: center;
        padding: 10px 0;
      }
      .hero-h1 {
        font-size: 1.85rem;
      }
      .hero-desc {
        font-size: 1rem;
      }
      .hero-metrics-grid, .services-grid, .solutions-grid, .process-timeline,
      .token-pricing-grid, .reviews-grid, .articles-grid, .wiki-grid,
      .about-grid, .network-grid, .agent-grid, .contact-grid, .case-materials-grid {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .review-score-hero {
        flex-direction: column;
        text-align: center;
      }
      .score-badge-left {
        flex-direction: column;
      }
    }