:root {
      --primary: #7928ca;
      --primary-light: #9d4edd;
      --primary-dark: #5a189a;
      --accent: #ff007a;
      --accent-glow: rgba(255, 0, 122, 0.35);
      --purple-glow: rgba(121, 40, 202, 0.25);
      --bg-main: #fbf9ff;
      --bg-card: #ffffff;
      --bg-alt: #f4efff;
      --text-main: #181126;
      --text-muted: #5e5473;
      --text-light: #897e9e;
      --border-color: #e8dff5;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --radius-full: 9999px;
      --shadow-sm: 0 4px 12px rgba(121, 40, 202, 0.06);
      --shadow-md: 0 10px 30px rgba(121, 40, 202, 0.1);
      --shadow-lg: 0 20px 45px rgba(121, 40, 202, 0.16);
      --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;
      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-main);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 15%, rgba(157, 78, 221, 0.08) 0%, transparent 35%),
        radial-gradient(circle at 90% 40%, rgba(255, 0, 122, 0.06) 0%, transparent 38%),
        radial-gradient(circle at 30% 85%, rgba(121, 40, 202, 0.07) 0%, transparent 40%);
      background-attachment: fixed;
    }

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

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .section-padding {
      padding: 80px 0;
    }

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

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      background: rgba(121, 40, 202, 0.08);
      border: 1px solid rgba(121, 40, 202, 0.2);
      border-radius: var(--radius-full);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
    }

    /* 按钮通用 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      border-radius: var(--radius-full);
      padding: 12px 28px;
      cursor: pointer;
      transition: var(--transition);
      border: none;
      font-size: 0.95rem;
      text-align: center;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #ffffff;
      box-shadow: 0 8px 24px var(--purple-glow);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px var(--accent-glow);
      color: #ffffff;
    }

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

    .btn-secondary:hover {
      background: var(--bg-alt);
      border-color: var(--primary-light);
      transform: translateY(-2px);
    }

    .btn-lg {
      padding: 15px 36px;
      font-size: 1.05rem;
    }

    /* 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-color);
      transition: var(--transition);
    }

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

    .nav-logo-area {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 170px;
    }

    .nav-logo-area img.ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
    }

    .nav-logo-text {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0; /* 严格按照要求设置为 0 */
    }

    .nav-links li a {
      display: inline-block;
      padding: 10px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background: rgba(121, 40, 202, 0.05);
    }

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

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.6rem;
      color: var(--text-main);
      cursor: pointer;
    }

    /* 首屏 HERO (无图片) */
    .hero-section {
      padding: 90px 0 70px 0;
      position: relative;
      overflow: hidden;
      text-align: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      padding: 8px 20px;
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      font-size: 0.9rem;
      color: var(--primary-dark);
      font-weight: 600;
      margin-bottom: 24px;
      animation: floatBadge 3s ease-in-out infinite;
    }

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

    .hero-title {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 24px;
      letter-spacing: -1px;
    }

    .hero-title .glow-purple {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px auto;
      line-height: 1.8;
    }

    .hero-btns {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }

    .hero-feature-tags {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 10px;
      max-width: 900px;
      margin: 0 auto 40px auto;
    }

    .model-tag {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--text-muted);
      box-shadow: 0 2px 6px rgba(0,0,0,0.02);
      transition: var(--transition);
    }

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

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

    .hero-stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .hero-stat-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      opacity: 0;
      transition: var(--transition);
    }

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

    .hero-stat-card:hover::before {
      opacity: 1;
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 8px;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 平台介绍与架构 (About) */
    .about-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-md);
    }

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

    .about-text h3 {
      font-size: 1.7rem;
      font-weight: 800;
      margin-bottom: 18px;
      color: var(--text-main);
    }

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 1rem;
      line-height: 1.8;
    }

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

    .highlight-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 16px;
      background: var(--bg-alt);
      border-radius: var(--radius-md);
    }

    .highlight-icon {
      width: 36px;
      height: 36px;
      background: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      flex-shrink: 0;
      font-weight: bold;
      border: 1px solid var(--border-color);
    }

    .highlight-content h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .highlight-content p {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-bottom: 0;
      line-height: 1.4;
    }

    .model-matrix-card {
      background: linear-gradient(145deg, #ffffff 0%, var(--bg-alt) 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      position: relative;
    }

    .matrix-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 18px;
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

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

    .matrix-tag-pill {
      background: #ffffff;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-main);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    /* 场景卡片群 (Services) */
    .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;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-light);
    }

    .service-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--bg-alt);
      padding: 4px 10px;
      border-radius: var(--radius-full);
      margin-bottom: 14px;
      align-self: flex-start;
    }

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

    .service-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
    }

    .service-footer {
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
    }

    /* 一站式自动化制作与图片展示 (Studio) */
    .studio-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
      margin-bottom: 40px;
    }

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

    .step-item {
      display: flex;
      gap: 16px;
      margin-bottom: 24px;
    }

    .step-item:last-child {
      margin-bottom: 0;
    }

    .step-idx {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
      font-weight: bold;
      flex-shrink: 0;
    }

    .step-text h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

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

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

    .media-card img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.5s ease;
    }

    .media-card:hover img {
      transform: scale(1.02);
    }

    /* 对比评测看板 (Evaluation) */
    .evaluation-card {
      background: #ffffff;
      border: 2px solid var(--primary-light);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-lg);
      margin-bottom: 40px;
      position: relative;
      overflow: hidden;
    }

    .eval-score-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      padding-bottom: 28px;
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 28px;
    }

    .score-badge-area {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .score-number {
      font-size: 3.5rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

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

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

    .score-stars span {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 600;
    }

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

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 600px;
    }

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

    .eval-table th {
      background: var(--bg-alt);
      color: var(--text-main);
      font-weight: 700;
      font-size: 0.95rem;
    }

    .eval-table td {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .eval-table td.highlight-col {
      background: rgba(121, 40, 202, 0.03);
      color: var(--primary-dark);
      font-weight: 600;
    }

    .check-mark {
      color: #10b981;
      font-weight: bold;
    }

    .cross-mark {
      color: #9ca3af;
    }

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

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

    .token-card.featured {
      border: 2px solid var(--accent);
      box-shadow: 0 10px 25px var(--accent-glow);
    }

    .token-featured-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent);
      color: #fff;
      font-size: 0.75rem;
      padding: 3px 12px;
      border-radius: var(--radius-full);
      font-weight: bold;
      white-space: nowrap;
    }

    .token-model-name {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .token-price {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 4px;
    }

    .token-origin {
      font-size: 0.85rem;
      color: var(--text-light);
      text-decoration: line-through;
      margin-bottom: 16px;
    }

    .token-features {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      text-align: left;
    }

    /* 案例中心 (Cases) */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .case-img-box {
      width: 100%;
      height: 220px;
      overflow: hidden;
      background: var(--bg-alt);
    }

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

    .case-card:hover .case-img-box img {
      transform: scale(1.05);
    }

    .case-info {
      padding: 20px;
    }

    .case-cat {
      font-size: 0.75rem;
      color: var(--primary);
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 6px;
    }

    .case-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 用户评论 (Testimonials 6条) */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testi-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .testi-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary-light);
    }

    .testi-quote {
      font-size: 0.92rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
      position: relative;
    }

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

    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-light), var(--accent));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1rem;
      flex-shrink: 0;
    }

    .testi-meta h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .testi-meta p {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* 需求匹配与表单 (Form) */
    .form-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .form-intro h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .form-intro p {
      color: var(--text-muted);
      margin-bottom: 24px;
      font-size: 0.95rem;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .contact-icon {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--bg-alt);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      font-weight: bold;
    }

    .contact-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
      text-align: left;
    }

    .form-group label {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition);
      background: #fafafa;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.1);
    }

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

    /* 资讯与百科 (News & Wiki) */
    .news-section-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 32px;
    }

    .news-card-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .news-item-row {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      transition: var(--transition);
    }

    .news-item-row:hover {
      border-color: var(--primary);
      transform: translateX(4px);
      box-shadow: var(--shadow-sm);
    }

    .news-main-info {
      flex: 1;
    }

    .news-date {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 4px;
    }

    .news-item-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .news-item-title:hover {
      color: var(--primary);
    }

    .wiki-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .wiki-item {
      margin-bottom: 18px;
      padding-bottom: 14px;
      border-bottom: 1px dashed var(--border-color);
    }

    .wiki-item:last-child {
      margin-bottom: 0;
      padding-bottom: 0;
      border-bottom: none;
    }

    .wiki-item h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 4px;
    }

    .wiki-item p {
      font-size: 0.83rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* FAQ 折叠面板 (FAQ) */
    .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-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .faq-header {
      padding: 18px 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-header h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0;
    }

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

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

    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #faf8fd;
    }

    .faq-item.active .faq-body {
      padding: 16px 24px 22px 24px;
      max-height: 250px;
      border-top: 1px solid var(--border-color);
    }

    .faq-body p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 加盟代理Banner (Agent) */
    .agent-cta-box {
      background: linear-gradient(135deg, #2b0938 0%, #4a1259 50%, #7928ca 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      text-align: center;
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }

    .agent-cta-box h3 {
      font-size: 2.2rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .agent-cta-box p {
      font-size: 1.1rem;
      color: #f3d5ff;
      max-width: 700px;
      margin: 0 auto 30px auto;
    }

    /* 页脚 (Footer) */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px 0;
      color: var(--text-main);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

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

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

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

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

    .qr-img-wrapper {
      width: 110px;
      height: 110px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      padding: 4px;
      background: #ffffff;
    }

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

    .qr-caption {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    .friend-links-box {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-muted);
      margin-bottom: 10px;
    }

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

    .friend-links-list a {
      font-size: 0.82rem;
      color: var(--text-light);
    }

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

    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* 悬浮客服挂件 */
    .float-contact {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .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;
      color: var(--primary);
      cursor: pointer;
      transition: var(--transition);
      font-size: 1.2rem;
      position: relative;
    }

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

    .float-qr-pop {
      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);
      display: none;
      width: 140px;
      text-align: center;
    }

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

    .float-qr-pop img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-sm);
    }

    .float-qr-pop span {
      display: block;
      margin-top: 6px;
      font-size: 0.75rem;
      color: var(--text-main);
      font-weight: 600;
    }

    @keyframes floatBadge {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-4px); }
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .services-grid, .cases-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .about-grid, .form-wrapper, .studio-grid, .news-section-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        border-bottom: 1px solid var(--border-color);
        padding: 16px 24px;
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li a {
        padding: 12px 0;
        border-bottom: 1px solid var(--bg-alt);
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .services-grid, .cases-grid, .testimonials-grid, .token-grid, .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .eval-score-header {
        flex-direction: column;
        align-items: flex-start;
      }
    }