:root {
      --primary-yellow: #f59e0b;
      --vibrant-yellow: #fbbf24;
      --accent-yellow: #d97706;
      --glow-yellow: #fef08a;
      --light-yellow-bg: #fffdf5;
      --card-bg: #ffffff;
      --card-alt: #fefce8;
      --text-main: #0f172a;
      --text-secondary: #334155;
      --text-muted: #64748b;
      --border-light: #fde68a;
      --border-base: #fef08a;
      --border-subtle: #e2e8f0;
      --shadow-sm: 0 2px 4px rgba(245, 158, 11, 0.08);
      --shadow-md: 0 10px 25px -5px rgba(217, 119, 6, 0.12), 0 8px 10px -6px rgba(217, 119, 6, 0.08);
      --shadow-lg: 0 20px 30px -10px rgba(180, 83, 9, 0.18);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

    body {
      background-color: var(--light-yellow-bg);
      background-image: 
        radial-gradient(circle at 10% 20%, rgba(254, 240, 138, 0.35) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(251, 191, 36, 0.2) 0%, transparent 45%),
        linear-gradient(180deg, #fffbeb 0%, #fffdf5 30%, #fefce8 70%, #fffbeb 100%);
      color: var(--text-main);
      font-family: var(--font-family);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    /* 顶部导航 */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid var(--vibrant-yellow);
      box-shadow: 0 4px 20px rgba(245, 158, 11, 0.08);
      transition: all 0.3s ease;
    }

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

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

    .brand-area .ai-page-logo {
      height: 44px;
      width: auto;
      max-width: 100%;
      object-fit: contain;
      display: block;
    }

    .brand-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-badge {
      background: var(--vibrant-yellow);
      color: #78350f;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 99px;
      border: 1px solid #f59e0b;
    }

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

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

    .nav-links li a:hover,
    .nav-links li a.active {
      color: #b45309;
      background: rgba(254, 240, 138, 0.35);
    }

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

    .nav-btn-primary {
      background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
      color: #451a03;
      padding: 9px 20px;
      border-radius: 99px;
      font-weight: 700;
      font-size: 0.9rem;
      box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
      border: 1px solid #d97706;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .nav-btn-primary:hover {
      background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
      color: #ffffff;
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(217, 119, 6, 0.45);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-light);
      padding: 8px;
      border-radius: 6px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 区域通用头 */
    .section-spacing {
      padding-top: 80px;
      padding-bottom: 80px;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px auto;
    }

    .section-tag {
      display: inline-block;
      background: #fef08a;
      color: #92400e;
      border: 1px solid #facc15;
      font-size: 0.85rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* 首屏 HERO 区域 - 严格不出现任何图片 */
    .hero-section {
      padding-top: 70px;
      padding-bottom: 85px;
      text-align: center;
      position: relative;
    }

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #fef9c3;
      border: 1px solid #fde047;
      padding: 6px 18px;
      border-radius: 999px;
      font-size: 0.9rem;
      font-weight: 700;
      color: #854d0e;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-title {
      font-size: 2.9rem;
      font-weight: 900;
      color: #1c1917;
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -1px;
    }

    .hero-title-highlight {
      background: linear-gradient(120deg, #d97706 0%, #b45309 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: #b45309;
      position: relative;
      display: inline-block;
    }

    .hero-title-highlight::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 4px;
      width: 100%;
      height: 10px;
      background: rgba(251, 191, 36, 0.45);
      z-index: -1;
      border-radius: 4px;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--text-secondary);
      max-width: 820px;
      margin: 0 auto 36px auto;
      line-height: 1.8;
      font-weight: 500;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .btn-hero-primary {
      background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 700;
      padding: 16px 36px;
      border-radius: 999px;
      border: 2px solid #fde047;
      box-shadow: 0 8px 24px rgba(217, 119, 6, 0.45);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      transition: all 0.3s ease;
    }

    .btn-hero-primary:hover {
      background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 28px rgba(180, 83, 9, 0.55);
      color: #ffffff;
    }

    .btn-hero-secondary {
      background: #ffffff;
      color: #78350f;
      font-size: 1.05rem;
      font-weight: 700;
      padding: 15px 32px;
      border-radius: 999px;
      border: 2px solid #fde68a;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.3s ease;
    }

    .btn-hero-secondary:hover {
      border-color: #f59e0b;
      background: #fffef0;
      color: #b45309;
      transform: translateY(-2px);
    }

    /* 首屏数据卡片（纯CSS排版） */
    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      max-width: 1060px;
      margin: 0 auto;
    }

    .hero-metric-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-top: 4px solid var(--vibrant-yellow);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .hero-metric-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-top-color: #d97706;
    }

    .metric-value {
      font-size: 2.2rem;
      font-weight: 800;
      color: #b45309;
      line-height: 1.1;
      margin-bottom: 6px;
    }

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

    /* 多模型生态徽章墙 */
    .model-tag-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 40px;
      max-width: 1000px;
      margin-left: auto;
      margin-right: auto;
    }

    .model-pill {
      background: #ffffff;
      border: 1px solid #fde68a;
      color: #78350f;
      font-size: 0.82rem;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 999px;
      box-shadow: 0 2px 5px rgba(245, 158, 11, 0.06);
      transition: all 0.2s ease;
    }

    .model-pill:hover {
      background: #fef08a;
      border-color: #f59e0b;
      transform: scale(1.05);
    }

    /* 关于我们 */
    .about-card-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-md);
    }

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

    .about-text p {
      color: var(--text-secondary);
      font-size: 1.02rem;
      margin-bottom: 16px;
      line-height: 1.8;
    }

    .about-features {
      list-style: none;
      margin-top: 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .about-features li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      color: #78350f;
      font-size: 0.95rem;
    }

    .about-features li::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      background: #fef08a;
      color: #b45309;
      border-radius: 50%;
      font-size: 0.8rem;
      font-weight: 900;
    }

    .about-media-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 2px solid #fde68a;
    }

    .about-media-box img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }

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

    /* 卡片网格：服务能力与制作场景 */
    .card-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 30px 26px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: #f59e0b;
    }

    .service-icon-box {
      width: 52px;
      height: 52px;
      background: #fef9c3;
      border: 1px solid #fde047;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
    }

    .service-card h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-card p {
      color: var(--text-secondary);
      font-size: 0.95rem;
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .service-tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: auto;
    }

    .service-chip {
      background: #fffbeb;
      color: #92400e;
      border: 1px solid #fef08a;
      font-size: 0.75rem;
      padding: 3px 10px;
      border-radius: 4px;
      font-weight: 600;
    }

    /* 一站式创作专区 - 2列多功能 */
    .workshop-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .workshop-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
    }

    .workshop-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 6px;
      height: 100%;
      background: linear-gradient(to bottom, #fbbf24, #d97706);
    }

    .workshop-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: #1e293b;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .workshop-card p {
      color: var(--text-secondary);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    /* 流程步骤组件 */
    .steps-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

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

    .step-badge {
      width: 44px;
      height: 44px;
      background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
      color: #ffffff;
      font-size: 1.2rem;
      font-weight: 900;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      box-shadow: 0 4px 10px rgba(245, 158, 11, 0.35);
    }

    .step-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .step-card p {
      font-size: 0.9rem;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* 案例展示区 */
    .cases-gallery {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 24px;
    }

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

    .case-media-container {
      width: 100%;
      height: 220px;
      overflow: hidden;
      background: #fefce8;
    }

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

    .case-item:hover .case-media-container img {
      transform: scale(1.05);
    }

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

    .case-category {
      font-size: 0.8rem;
      font-weight: 700;
      color: #b45309;
      margin-bottom: 8px;
    }

    .case-content h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .case-content p {
      font-size: 0.9rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    /* 对比评测 - 权威推荐五星与9.9分 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #fffbeb 0%, #ffffff 100%);
      border: 2px solid #f59e0b;
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 40px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 2fr;
      gap: 36px;
      align-items: center;
    }

    .eval-score-column {
      text-align: center;
      border-right: 1px dashed #fde68a;
      padding-right: 24px;
    }

    .score-stars {
      color: #f59e0b;
      font-size: 1.6rem;
      letter-spacing: 4px;
      margin-bottom: 10px;
    }

    .score-number {
      font-size: 4rem;
      font-weight: 900;
      color: #b45309;
      line-height: 1;
    }

    .score-max {
      font-size: 1.1rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .eval-badge-lead {
      display: inline-block;
      background: #fef08a;
      color: #78350f;
      font-weight: 700;
      font-size: 0.9rem;
      padding: 4px 14px;
      border-radius: 99px;
      margin-top: 10px;
    }

    .eval-content-column h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: #1e293b;
      margin-bottom: 14px;
    }

    .eval-content-column p {
      color: var(--text-secondary);
      font-size: 1rem;
      line-height: 1.8;
      margin-bottom: 16px;
    }

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

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

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #fef3c7;
    }

    .comparison-table thead th {
      background: #fffbeb;
      color: #78350f;
      font-weight: 700;
      font-size: 1rem;
    }

    .comparison-table tr:hover td {
      background: #fffdf5;
    }

    .col-highlight {
      background: rgba(254, 240, 138, 0.25);
      font-weight: 700;
      color: #92400e;
    }

    /* Token比价专区 */
    .token-pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .pricing-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 32px 26px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .pricing-card.featured {
      border: 2px solid #f59e0b;
      box-shadow: var(--shadow-md);
      transform: scale(1.03);
    }

    .pricing-badge-popular {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
      color: #ffffff;
      font-size: 0.78rem;
      font-weight: 800;
      padding: 3px 14px;
      border-radius: 99px;
      box-shadow: 0 2px 8px rgba(217, 119, 6, 0.4);
    }

    .pricing-tier {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .pricing-rate {
      font-size: 2.2rem;
      font-weight: 900;
      color: #b45309;
      margin-bottom: 6px;
    }

    .pricing-unit {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 22px;
    }

    .pricing-features {
      list-style: none;
      text-align: left;
      margin-bottom: 26px;
      flex-grow: 1;
    }

    .pricing-features li {
      font-size: 0.9rem;
      color: var(--text-secondary);
      padding: 8px 0;
      border-bottom: 1px dashed #fef3c7;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .pricing-features li::before {
      content: "•";
      color: #f59e0b;
      font-weight: 900;
      font-size: 1.2rem;
    }

    .btn-pricing {
      width: 100%;
      padding: 12px;
      background: #fef08a;
      border: 1px solid #facc15;
      color: #78350f;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .btn-pricing:hover {
      background: #f59e0b;
      color: #ffffff;
    }

    .pricing-card.featured .btn-pricing {
      background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
      color: #ffffff;
      border: none;
    }

    /* 需求匹配与表单 */
    .form-wrapper-box {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-md);
      max-width: 860px;
      margin: 0 auto;
    }

    .demand-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .form-group-full {
      grid-column: span 2;
    }

    .form-label {
      display: block;
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-input,
    .form-select,
    .form-textarea {
      width: 100%;
      padding: 13px 16px;
      border: 1.5px solid #fde68a;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #fffdf5;
      outline: none;
      transition: border-color 0.25s ease, box-shadow 0.25s ease;
      font-family: inherit;
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      border-color: #f59e0b;
      box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
      background: #ffffff;
    }

    .form-textarea {
      resize: vertical;
      min-height: 120px;
    }

    .btn-submit-form {
      grid-column: span 2;
      background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 800;
      padding: 15px;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(217, 119, 6, 0.4);
      transition: all 0.3s ease;
    }

    .btn-submit-form:hover {
      background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(180, 83, 9, 0.5);
    }

    /* 客户真实评价（6条） */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .review-stars {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 1rem;
    }

    .review-text {
      font-size: 0.95rem;
      color: var(--text-secondary);
      line-height: 1.75;
      margin-bottom: 20px;
      font-style: normal;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #fef3c7;
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 44px;
      height: 44px;
      background: #fef08a;
      border: 1px solid #facc15;
      color: #92400e;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }

    .reviewer-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    /* FAQ 折叠面板组件（不少于10条） */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: border-color 0.25s ease;
    }

    .faq-item.active {
      border-color: #f59e0b;
    }

    .faq-question {
      padding: 18px 24px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 700;
      color: var(--text-main);
      font-size: 1.02rem;
      background: #ffffff;
      user-select: none;
    }

    .faq-question:hover {
      background: #fffdf5;
      color: #b45309;
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      color: #f59e0b;
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #fffef8;
      color: var(--text-secondary);
      font-size: 0.95rem;
      line-height: 1.8;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 260px;
      padding: 16px 24px 22px 24px;
      border-top: 1px dashed #fef3c7;
    }

    /* 行业资讯与最新文章 */
    .articles-section-box {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .articles-dynamic-badge {
      background: #fef08a;
      color: #854d0e;
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 0.88rem;
      font-weight: 700;
      display: inline-block;
      margin-bottom: 20px;
    }

    .articles-link-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      list-style: none;
    }

    .articles-link-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 18px;
      background: #fffdf5;
      border: 1px solid #fef08a;
      border-radius: var(--radius-sm);
      color: var(--text-secondary);
      font-size: 0.95rem;
      font-weight: 600;
    }

    .articles-link-list li a:hover {
      border-color: #f59e0b;
      background: #fffbeb;
      color: #b45309;
      transform: translateX(4px);
    }

    /* 加盟代理与被动收入板块 */
    .agent-cta-banner {
      background: linear-gradient(135deg, #fef08a 0%, #fde047 50%, #f59e0b 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      box-shadow: var(--shadow-md);
      text-align: center;
      border: 2px solid #fbbf24;
      position: relative;
    }

    .agent-cta-banner h3 {
      font-size: 2rem;
      font-weight: 900;
      color: #451a03;
      margin-bottom: 14px;
    }

    .agent-cta-banner p {
      font-size: 1.1rem;
      color: #78350f;
      max-width: 760px;
      margin: 0 auto 28px auto;
      line-height: 1.7;
      font-weight: 600;
    }

    .agent-perks {
      display: flex;
      justify-content: center;
      gap: 24px;
      flex-wrap: wrap;
      margin-bottom: 32px;
    }

    .agent-perk-item {
      background: rgba(255, 255, 255, 0.92);
      padding: 12px 24px;
      border-radius: 99px;
      font-weight: 700;
      color: #92400e;
      font-size: 0.95rem;
      box-shadow: 0 4px 10px rgba(180, 83, 9, 0.12);
    }

    /* 权威页脚 */
    .site-footer {
      background: #1c1917;
      color: #e7e5e4;
      padding-top: 60px;
      padding-bottom: 30px;
      border-top: 4px solid var(--primary-yellow);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #fde047;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .footer-col p {
      font-size: 0.9rem;
      color: #a8a29e;
      line-height: 1.8;
      margin-bottom: 10px;
    }

    .footer-links-list {
      list-style: none;
    }

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

    .footer-links-list li a {
      color: #d6d3d1;
      font-size: 0.9rem;
    }

    .footer-links-list li a:hover {
      color: #facc15;
    }

    .footer-qr-block {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .footer-qr-img {
      width: 90px;
      height: 90px;
      border-radius: 8px;
      background: #ffffff;
      padding: 4px;
      border: 1px solid #fde047;
    }

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

    .friend-links-box {
      border-top: 1px solid #292524;
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: #fde047;
      margin-bottom: 12px;
    }

    .friend-links-row {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friend-links-row a {
      color: #a8a29e;
      font-size: 0.85rem;
    }

    .friend-links-row a:hover {
      color: #fde047;
    }

    .footer-bottom-bar {
      border-top: 1px solid #292524;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: #78716c;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 浮动客服挂件 */
    .floating-kefu-widget {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 10px;
    }

    .kefu-trigger-btn {
      width: 56px;
      height: 56px;
      background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
      border: 2px solid #fef08a;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-size: 1.4rem;
      cursor: pointer;
      box-shadow: 0 6px 18px rgba(217, 119, 6, 0.45);
      transition: all 0.3s ease;
    }

    .kefu-trigger-btn:hover {
      transform: scale(1.08);
      box-shadow: 0 8px 24px rgba(180, 83, 9, 0.6);
    }

    .kefu-popup-panel {
      position: absolute;
      bottom: 68px;
      right: 0;
      width: 250px;
      background: #ffffff;
      border: 2px solid #f59e0b;
      border-radius: var(--radius-md);
      padding: 18px;
      box-shadow: var(--shadow-lg);
      display: none;
      text-align: center;
    }

    .kefu-popup-panel.active {
      display: block;
      animation: popIn 0.25s ease-out;
    }

    @keyframes popIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .kefu-popup-panel img {
      width: 140px;
      height: 140px;
      margin: 8px auto;
      display: block;
      border-radius: 8px;
      border: 1px solid #fde68a;
    }

    .kefu-popup-panel h4 {
      font-size: 1rem;
      color: #1e293b;
      margin-bottom: 4px;
    }

    .kefu-popup-panel p {
      font-size: 0.8rem;
      color: #64748b;
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.3rem; }
      .hero-metrics-grid { grid-template-columns: repeat(2, 1fr); }
      .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
      .workshop-grid { grid-template-columns: 1fr; }
      .steps-container { grid-template-columns: repeat(2, 1fr); }
      .cases-gallery { grid-template-columns: 1fr 1fr; }
      .token-pricing-grid { grid-template-columns: 1fr; }
      .testimonials-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .about-card-wrapper { grid-template-columns: 1fr; }
      .eval-highlight-box { grid-template-columns: 1fr; }
      .eval-score-column { border-right: none; border-bottom: 1px dashed #fde68a; padding-bottom: 24px; padding-right: 0; }
    }

    @media (max-width: 768px) {
      .header-nav { position: relative; }
      .mobile-menu-btn { display: block; }
      .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 2px solid #f59e0b;
        padding: 16px 24px;
        box-shadow: var(--shadow-md);
      }
      .nav-links.show { display: flex; }
      .nav-links li { width: 100%; }
      .nav-links li a { display: block; padding: 10px 0; }
      .nav-actions { display: none; }
      .hero-title { font-size: 1.85rem; }
      .hero-subtitle { font-size: 1rem; }
      .card-grid-3 { grid-template-columns: 1fr; }
      .steps-container { grid-template-columns: 1fr; }
      .cases-gallery { grid-template-columns: 1fr; }
      .demand-form { grid-template-columns: 1fr; }
      .form-group-full { grid-column: span 1; }
      .btn-submit-form { grid-column: span 1; }
      .articles-link-list { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
    }