:root {
      --primary: #FF5500;
      --primary-hover: #E04800;
      --primary-light: #FFF4ED;
      --primary-soft: rgba(255, 85, 0, 0.08);
      --secondary: #FF8A00;
      --accent: #FA4D00;
      --dark-title: #181A20;
      --dark-text: #3D444F;
      --muted-text: #6F7787;
      --bg-page: #FAF9F6;
      --bg-card: #FFFFFF;
      --bg-alt: #FFFBF7;
      --border-color: #EFE6DF;
      --border-focus: #FFB38A;
      --shadow-sm: 0 2px 8px rgba(25, 15, 5, 0.04);
      --shadow-md: 0 8px 24px rgba(255, 85, 0, 0.08);
      --shadow-lg: 0 16px 36px rgba(255, 85, 0, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --transition: all 0.28s ease;
      --container-width: 1200px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--dark-text);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部通告条 */
    .top-notice-bar {
      background: linear-gradient(90deg, #FF4500, #FF7700);
      color: #FFFFFF;
      font-size: 0.875rem;
      padding: 8px 0;
      text-align: center;
      font-weight: 500;
    }

    .top-notice-bar a {
      color: #FFF2CC;
      font-weight: 700;
      text-decoration: underline;
      margin-left: 8px;
    }

    /* 导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

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

    .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }

    .brand-text {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--dark-title);
      letter-spacing: -0.5px;
    }

    .brand-text span {
      color: var(--primary);
    }

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

    .nav-links li {
      margin: 0;
      padding: 0;
    }

    .nav-links a {
      display: block;
      padding: 8px 13px;
      font-size: 0.93rem;
      font-weight: 600;
      color: var(--dark-text);
      border-radius: var(--radius-sm);
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
      background-color: var(--primary-light);
    }

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

    .btn-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #FF5500, #FF7700);
      color: #FFFFFF !important;
      font-weight: 700;
      font-size: 0.92rem;
      padding: 10px 22px;
      border-radius: 50px;
      box-shadow: 0 4px 14px rgba(255, 85, 0, 0.3);
      transition: var(--transition);
      border: none;
      cursor: pointer;
    }

    .btn-portal:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 85, 0, 0.4);
    }

    .btn-outline-nav {
      display: inline-flex;
      align-items: center;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      border: 1px solid var(--primary);
      padding: 8px 16px;
      border-radius: 50px;
      background: transparent;
    }

    .btn-outline-nav:hover {
      background: var(--primary-light);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--dark-title);
      cursor: pointer;
    }

    /* Section 通用规范 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }

    .section-bg-alt {
      background-color: var(--bg-alt);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .section-heading {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 52px;
    }

    .section-badge {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary);
      background-color: var(--primary-light);
      border: 1px solid #FFD3BD;
      padding: 4px 14px;
      border-radius: 30px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--dark-title);
      line-height: 1.35;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

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

    /* 首屏 Hero 区域 (无图片) */
    .hero-section {
      padding: 70px 0 90px;
      background: radial-gradient(circle at 50% 20%, #FFF4ED 0%, #FAF9F6 70%);
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .hero-content {
      max-width: 880px;
      margin: 0 auto;
      text-align: center;
    }

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #FFFFFF;
      border: 1px solid #FFCDAF;
      padding: 6px 18px;
      border-radius: 50px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--accent);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-eyebrow .dot {
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(255, 85, 0, 0.2);
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 900;
      color: var(--dark-title);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title .highlight {
      color: var(--primary);
      position: relative;
      display: inline-block;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--dark-text);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .btn-hero-primary {
      background: linear-gradient(135deg, #FF4500, #FF7700);
      color: #FFFFFF !important;
      font-size: 1.12rem;
      font-weight: 800;
      padding: 16px 38px;
      border-radius: 50px;
      box-shadow: 0 8px 26px rgba(255, 85, 0, 0.35);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 32px rgba(255, 85, 0, 0.45);
    }

    .btn-hero-secondary {
      background: #FFFFFF;
      color: var(--dark-title);
      font-size: 1.05rem;
      font-weight: 700;
      padding: 15px 32px;
      border-radius: 50px;
      border: 2px solid #FFD0B8;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .btn-hero-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: var(--primary-light);
    }

    /* 首屏数据指标卡片 */
    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      max-width: 960px;
      margin: 0 auto;
    }

    .metric-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .metric-card:hover {
      transform: translateY(-4px);
      border-color: #FFB58E;
      box-shadow: var(--shadow-md);
    }

    .metric-num {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .metric-label {
      font-size: 0.88rem;
      color: var(--muted-text);
      font-weight: 500;
    }

    /* 平台聚合标签墙 */
    .hero-models-pill {
      margin-top: 36px;
      background: #FFFFFF;
      border: 1px dashed #FFBE9E;
      border-radius: var(--radius-md);
      padding: 16px 20px;
      text-align: center;
    }

    .models-title {
      font-size: 0.84rem;
      font-weight: 700;
      color: var(--muted-text);
      text-transform: uppercase;
      margin-bottom: 10px;
    }

    .model-tags-container {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    .model-tag {
      background: var(--primary-light);
      color: var(--accent);
      font-size: 0.78rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 20px;
      border: 1px solid #FFE0D1;
    }

    /* 关于我们 / 平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

    .about-text h3 {
      font-size: 1.7rem;
      font-weight: 800;
      color: var(--dark-title);
      margin-bottom: 18px;
      line-height: 1.4;
    }

    .about-text p {
      font-size: 1rem;
      color: var(--dark-text);
      margin-bottom: 16px;
      line-height: 1.75;
    }

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

    .about-features-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 600;
      font-size: 0.95rem;
      color: var(--dark-title);
    }

    .about-features-list .check-icon {
      width: 22px;
      height: 22px;
      background: var(--primary);
      color: #FFFFFF;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: bold;
    }

    .about-card-box {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .about-card-box::before {
      content: "";
      position: absolute;
      top: -2px;
      left: 30px;
      right: 30px;
      height: 4px;
      background: linear-gradient(90deg, #FF5500, #FF8A00);
      border-radius: 4px 4px 0 0;
    }

    .platform-highlight-item {
      padding: 16px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .platform-highlight-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .platform-highlight-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark-title);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .platform-highlight-item p {
      font-size: 0.9rem;
      color: var(--muted-text);
      line-height: 1.55;
    }

    /* AIGC 服务矩阵网格 */
    .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: 26px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }

    .service-card:hover {
      transform: translateY(-6px);
      border-color: #FF9B68;
      box-shadow: var(--shadow-lg);
    }

    .service-card-tag {
      position: absolute;
      top: 18px;
      right: 18px;
      font-size: 0.72rem;
      font-weight: 700;
      background: var(--primary-light);
      color: var(--primary);
      padding: 3px 8px;
      border-radius: 4px;
    }

    .service-icon-wrap {
      width: 48px;
      height: 48px;
      background: linear-gradient(135deg, #FFF0E6, #FFE2D1);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .service-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--dark-title);
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 0.92rem;
      color: var(--dark-text);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-features {
      list-style: none;
      font-size: 0.84rem;
      color: var(--muted-text);
      border-top: 1px solid #F5EAE2;
      padding-top: 12px;
      margin-bottom: 16px;
    }

    .service-features li {
      margin-bottom: 4px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

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

    .service-btn {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--primary);
    }

    .service-btn:hover {
      color: var(--primary-hover);
      gap: 8px;
    }

    /* 一站式制作全流程卡片 */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .workflow-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }

    .step-badge {
      font-size: 0.78rem;
      font-weight: 800;
      color: #FFFFFF;
      background: var(--primary);
      padding: 4px 10px;
      border-radius: 20px;
      display: inline-block;
      margin-bottom: 12px;
    }

    .step-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--dark-title);
      margin-bottom: 8px;
    }

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

    /* 对比评测板块 */
    .comparison-section {
      background: #FFFFFF;
    }

    .rating-hero-banner {
      background: linear-gradient(135deg, #FFF3EB, #FFE7D6);
      border: 1px solid #FFC29E;
      border-radius: var(--radius-lg);
      padding: 30px 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 36px;
      flex-wrap: wrap;
      gap: 20px;
    }

    .rating-left h3 {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--dark-title);
      margin-bottom: 8px;
    }

    .rating-stars-badge {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .stars-icon {
      color: #FF9900;
      font-size: 1.25rem;
      letter-spacing: 2px;
    }

    .rating-score-pill {
      background: var(--primary);
      color: #FFFFFF;
      font-weight: 800;
      font-size: 1.1rem;
      padding: 4px 12px;
      border-radius: 30px;
    }

    .rating-right {
      text-align: right;
    }

    .rating-big-num {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--accent);
      line-height: 1;
    }

    .rating-sub {
      font-size: 0.88rem;
      color: var(--muted-text);
      font-weight: 600;
    }

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

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
      background: #FFFFFF;
    }

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

    .compare-table th {
      background: #FFF7F0;
      color: var(--dark-title);
      font-weight: 700;
    }

    .compare-table tr:hover {
      background: #FFFAF5;
    }

    .compare-table .highlight-col {
      background: rgba(255, 85, 0, 0.04);
      font-weight: 700;
      color: var(--primary);
      border-left: 2px solid #FFD0B8;
      border-right: 2px solid #FFD0B8;
    }

    .compare-table th.highlight-col {
      background: #FFE8D6;
      color: var(--accent);
    }

    /* 案例展示区包含图片素材 */
    .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-wrap {
      width: 100%;
      overflow: hidden;
      background: #F4EBE3;
      aspect-ratio: 16/9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-img-wrap.square-wrap {
      aspect-ratio: 1/1;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

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

    .case-body {
      padding: 20px;
    }

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

    .case-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--dark-title);
      margin-bottom: 8px;
    }

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

    /* 宣传图横幅 */
    .banner-strip {
      margin: 40px 0 0;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .banner-strip-item {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .banner-strip-item img {
      width: 100%;
      height: auto;
      display: block;
    }

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

    .pricing-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }

    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-md);
    }

    .pricing-featured-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(90deg, #FF4500, #FF7700);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 14px;
      border-radius: 20px;
      letter-spacing: 0.5px;
    }

    .pricing-plan-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--dark-title);
      margin-bottom: 8px;
    }

    .pricing-plan-desc {
      font-size: 0.88rem;
      color: var(--muted-text);
      margin-bottom: 20px;
    }

    .pricing-price-box {
      margin-bottom: 24px;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .price-number {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--accent);
    }

    .price-unit {
      font-size: 0.88rem;
      color: var(--muted-text);
    }

    .pricing-features-list {
      list-style: none;
      text-align: left;
      font-size: 0.92rem;
      margin-bottom: 28px;
    }

    .pricing-features-list li {
      padding: 8px 0;
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--dark-text);
    }

    .pricing-features-list li .dot-icon {
      color: var(--primary);
      font-weight: bold;
    }

    /* 加盟代理板块 */
    .agent-box {
      background: linear-gradient(135deg, #FFFFFF, #FFF5ED);
      border: 2px solid #FFD3BD;
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-md);
    }

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

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

    .agent-perk-card {
      background: #FFFFFF;
      border: 1px solid #FFE0CF;
      border-radius: var(--radius-sm);
      padding: 16px;
    }

    .agent-perk-card h5 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--dark-title);
      margin-bottom: 4px;
    }

    .agent-perk-card p {
      font-size: 0.84rem;
      color: var(--muted-text);
      line-height: 1.45;
    }

    /* 用户评论板块 */
    .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);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: #FF9900;
      font-size: 1rem;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 0.94rem;
      color: var(--dark-text);
      line-height: 1.65;
      margin-bottom: 18px;
      font-style: italic;
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F5EAE2;
      padding-top: 14px;
    }

    .user-avatar-badge {
      width: 40px;
      height: 40px;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 800;
      font-size: 1rem;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid #FFCEB4;
    }

    .user-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--dark-title);
    }

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

    /* FAQ 常见问题手风琴 */
    .faq-list {
      max-width: 860px;
      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);
    }

    .faq-question {
      width: 100%;
      padding: 18px 24px;
      background: none;
      border: none;
      text-align: left;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark-title);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      transition: var(--transition);
    }

    .faq-question:hover {
      background-color: #FFF9F5;
      color: var(--primary);
    }

    .faq-icon {
      font-size: 1.25rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background-color: #FFFCFA;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 0.94rem;
      color: var(--dark-text);
      line-height: 1.7;
    }

    /* AI 百科 & 行业方案 */
    .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;
    }

    .wiki-term {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 8px;
    }

    .wiki-desc {
      font-size: 0.88rem;
      color: var(--dark-text);
      line-height: 1.6;
    }

    /* 行业资讯 & 最新文章 */
    .articles-block {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 24px;
    }

    .article-links-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 14px;
    }

    .article-link-tag {
      background: #FFF7F2;
      color: var(--dark-title);
      border: 1px solid #FFE4D6;
      padding: 8px 16px;
      border-radius: 6px;
      font-size: 0.88rem;
      font-weight: 600;
      transition: var(--transition);
    }

    .article-link-tag:hover {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
    }

    /* 智能需求匹配与表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 40px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .contact-info h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--dark-title);
      margin-bottom: 14px;
    }

    .contact-info p {
      font-size: 0.95rem;
      color: var(--muted-text);
      line-height: 1.65;
      margin-bottom: 24px;
    }

    .contact-meta-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 24px;
    }

    .contact-meta-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--dark-title);
    }

    .contact-meta-item strong {
      color: var(--primary);
      min-width: 80px;
    }

    .kefu-qrcode-box {
      display: inline-block;
      padding: 12px;
      background: #FFF9F5;
      border: 1px dashed #FFBE9E;
      border-radius: var(--radius-md);
      text-align: center;
    }

    .kefu-qrcode-box img {
      width: 130px;
      height: 130px;
      object-fit: cover;
      margin: 0 auto 8px;
      border-radius: 4px;
    }

    .kefu-qrcode-box span {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--primary);
    }

    /* 表单组件 */
    .form-box {
      background: #FFFBF8;
      border: 1px solid #FFE4D4;
      border-radius: var(--radius-md);
      padding: 30px;
    }

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

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

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.95rem;
      border: 1px solid #E5D5CB;
      border-radius: var(--radius-sm);
      background: #FFFFFF;
      color: var(--dark-title);
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(255, 85, 0, 0.15);
    }

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

    .btn-submit {
      width: 100%;
      background: linear-gradient(135deg, #FF4500, #FF7700);
      color: #FFFFFF;
      font-size: 1.05rem;
      font-weight: 800;
      padding: 14px;
      border-radius: var(--radius-sm);
      border: none;
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 4px 14px rgba(255, 85, 0, 0.3);
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 85, 0, 0.4);
    }

    /* 友情链接与底部区域 */
    .site-footer {
      background-color: #201E1C;
      color: #E2DCD5;
      padding: 60px 0 30px;
      border-top: 4px solid var(--primary);
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h4::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 28px;
      height: 2px;
      background: var(--primary);
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links-list a {
      color: #BFB7AF;
    }

    .footer-links-list a:hover {
      color: #FFA375;
      padding-left: 4px;
    }

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 8px;
    }

    .friend-links-wrap a {
      background: #2E2A27;
      color: #D6CCC2;
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.82rem;
      border: 1px solid #3E3935;
    }

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

    .footer-bottom {
      border-top: 1px solid #383430;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      color: #9C948C;
      font-size: 0.84rem;
    }

    .ai-page-home-link {
      color: var(--primary);
      font-weight: 700;
    }

    /* 浮动工具栏 */
    .floating-toolbar {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      background: #FFFFFF;
      border: 1px solid #FFCDAF;
      border-radius: 50%;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.1rem;
      font-weight: bold;
      cursor: pointer;
      transition: var(--transition);
    }

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

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .services-grid,
      .cases-grid,
      .reviews-grid,
      .pricing-grid,
      .wiki-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .about-grid,
      .agent-grid,
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links a {
        width: 100%;
        padding: 10px 16px;
      }
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid,
      .cases-grid,
      .reviews-grid,
      .pricing-grid,
      .wiki-grid,
      .workflow-timeline {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .banner-strip {
        grid-template-columns: 1fr;
      }
      .agent-perks {
        grid-template-columns: 1fr;
      }
    }