:root {
      --primary-red: #d32f2f;
      --deep-red: #b71c1c;
      --crimson-light: #ffebee;
      --accent-gold: #e65100;
      --gold-light: #fff3e0;
      --dark-text: #1f2429;
      --body-text: #4a5568;
      --muted-text: #718096;
      --bg-light: #fcf9f9;
      --card-bg: #ffffff;
      --border-color: #f0d5d5;
      --shadow-sm: 0 4px 12px rgba(183, 28, 28, 0.05);
      --shadow-md: 0 8px 24px rgba(183, 28, 28, 0.09);
      --shadow-lg: 0 16px 36px rgba(183, 28, 28, 0.14);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --transition: all 0.28s ease-in-out;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      background-color: var(--bg-light);
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--dark-text);
      line-height: 1.68;
      background-color: var(--bg-light);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

    /* 容器体系 */
    .site-container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

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

    .brand-box .ai-page-logo {
      height: 38px;
      width: auto;
    }

    .brand-name-sub {
      font-size: 13px;
      color: var(--deep-red);
      font-weight: 700;
      letter-spacing: 1px;
      background: var(--crimson-light);
      padding: 3px 8px;
      border-radius: var(--radius-sm);
    }

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

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

    .nav-links li a {
      font-size: 14.5px;
      font-weight: 600;
      color: var(--dark-text);
      padding: 10px 14px;
      display: inline-block;
      position: relative;
    }

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

    .nav-links li a::after {
      content: '';
      position: absolute;
      bottom: 4px;
      left: 14px;
      right: 14px;
      height: 2px;
      background: var(--primary-red);
      transform: scaleX(0);
      transition: var(--transition);
    }

    .nav-links li a:hover::after {
      transform: scaleX(1);
    }

    .nav-cta-btn {
      margin-left: 16px;
      background: linear-gradient(135deg, var(--primary-red), var(--deep-red));
      color: #ffffff !important;
      padding: 9px 20px !important;
      border-radius: 50px;
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 4px 14px rgba(211, 47, 47, 0.3);
    }

    .nav-cta-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(211, 47, 47, 0.4);
    }

    .nav-cta-btn::after {
      display: none !important;
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--deep-red);
      cursor: pointer;
      padding: 8px;
    }

    /* 模块通用样式 */
    section {
      padding: 70px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px auto;
    }

    .section-badge {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--deep-red);
      background: var(--crimson-light);
      border: 1px solid var(--border-color);
      padding: 4px 14px;
      border-radius: 50px;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--dark-text);
      line-height: 1.35;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-title span {
      color: var(--primary-red);
    }

    .section-desc {
      font-size: 16px;
      color: var(--body-text);
      line-height: 1.6;
    }

    /* 首屏 Hero 区域 (绝不包含任何图片) */
    .hero-section {
      padding: 80px 0 90px 0;
      background: radial-gradient(circle at 80% 20%, #ffcdd2 0%, #fff8f8 60%, #ffffff 100%);
      border-bottom: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
    }

    .hero-glow-1 {
      position: absolute;
      width: 480px;
      height: 480px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(229, 57, 53, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
      top: -120px;
      left: -100px;
      pointer-events: none;
    }

    .hero-glow-2 {
      position: absolute;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(230, 81, 0, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
      bottom: -80px;
      right: -80px;
      pointer-events: none;
    }

    .hero-layout {
      display: grid;
      grid-template-columns: 1.25fr 1fr;
      gap: 40px;
      align-items: center;
      position: relative;
      z-index: 2;
    }

    .hero-content h1 {
      font-size: 40px;
      font-weight: 900;
      line-height: 1.25;
      color: var(--dark-text);
      margin-bottom: 18px;
    }

    .hero-content h1 mark {
      background: linear-gradient(120deg, rgba(255, 205, 210, 0.6) 0%, rgba(255, 235, 238, 0.9) 100%);
      color: var(--deep-red);
      padding: 0 8px;
      border-radius: 4px;
    }

    .hero-lead {
      font-size: 17px;
      color: var(--body-text);
      margin-bottom: 30px;
      line-height: 1.7;
    }

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

    .btn-main-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 34px;
      background: linear-gradient(135deg, #d32f2f, #b71c1c);
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      border-radius: 50px;
      box-shadow: 0 8px 24px rgba(211, 47, 47, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.3);
    }

    .btn-main-glow:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 28px rgba(211, 47, 47, 0.45);
      color: #ffffff;
    }

    .btn-outline-gold {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      background: #ffffff;
      color: var(--deep-red);
      font-size: 16px;
      font-weight: 700;
      border-radius: 50px;
      border: 2px solid var(--primary-red);
    }

    .btn-outline-gold:hover {
      background: var(--crimson-light);
      transform: translateY(-2px);
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .hero-tag-item {
      font-size: 12.5px;
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid var(--border-color);
      color: var(--deep-red);
      padding: 5px 12px;
      border-radius: var(--radius-sm);
      font-weight: 600;
    }

    /* 首屏纯CSS科技数据看板 (无图) */
    .hero-dashboard-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 32px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .dash-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid #fce4e4;
      padding-bottom: 16px;
      margin-bottom: 20px;
    }

    .dash-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--deep-red);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .dash-status-dot {
      width: 10px;
      height: 10px;
      background: #4caf50;
      border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(76, 175, 80, 0.2);
    }

    .dash-stats-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 22px;
    }

    .dash-stat-card {
      background: var(--crimson-light);
      padding: 16px;
      border-radius: var(--radius-md);
      border-left: 4px solid var(--primary-red);
    }

    .dash-stat-num {
      font-size: 26px;
      font-weight: 900;
      color: var(--deep-red);
      line-height: 1.2;
    }

    .dash-stat-label {
      font-size: 12px;
      color: var(--body-text);
      margin-top: 4px;
    }

    .dash-stream-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .dash-stream-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #fffafa;
      border: 1px dashed var(--border-color);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      font-size: 13px;
    }

    .dash-stream-name {
      font-weight: 600;
      color: var(--dark-text);
    }

    .dash-stream-val {
      color: var(--primary-red);
      font-weight: 700;
    }

    /* 核心数据概览 */
    .metrics-bar {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 36px 0;
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .metric-item {
      padding: 10px;
    }

    .metric-value {
      font-size: 34px;
      font-weight: 900;
      color: var(--deep-red);
      margin-bottom: 4px;
    }

    .metric-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--dark-text);
      margin-bottom: 4px;
    }

    .metric-desc {
      font-size: 12.5px;
      color: var(--muted-text);
    }

    /* 关于我们 / 平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

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

    .feature-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 24px;
    }

    .feature-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 14.5px;
      color: var(--body-text);
    }

    .check-icon {
      flex-shrink: 0;
      width: 20px;
      height: 20px;
      background: var(--primary-red);
      color: #ffffff;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      margin-top: 2px;
      font-weight: bold;
    }

    /* 服务能力卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .service-card-top {
      margin-bottom: 20px;
    }

    .service-icon-badge {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: var(--crimson-light);
      color: var(--deep-red);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .service-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--dark-text);
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 14px;
      color: var(--body-text);
      line-height: 1.6;
    }

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 16px;
    }

    .service-tag {
      font-size: 12px;
      background: #f7f7f7;
      padding: 3px 8px;
      border-radius: 4px;
      color: var(--muted-text);
    }

    /* 一站式创作全矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .matrix-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      transition: var(--transition);
    }

    .matrix-item:hover {
      border-color: var(--primary-red);
      box-shadow: var(--shadow-md);
    }

    .matrix-item h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--deep-red);
      margin-bottom: 8px;
    }

    .matrix-item p {
      font-size: 13px;
      color: var(--body-text);
      line-height: 1.55;
    }

    /* 模型矩阵胶囊群 */
    .models-cloud-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .models-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin-top: 24px;
    }

    .model-chip {
      font-size: 14px;
      font-weight: 600;
      color: var(--dark-text);
      background: #fcf6f6;
      border: 1px solid #f3dada;
      padding: 8px 18px;
      border-radius: 50px;
      transition: var(--transition);
    }

    .model-chip:hover {
      background: var(--primary-red);
      color: #ffffff;
      border-color: var(--primary-red);
    }

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

    .timeline-step {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px 20px;
      border: 1px solid var(--border-color);
      position: relative;
      text-align: center;
    }

    .step-number {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-red), var(--deep-red));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 800;
      margin: 0 auto 16px auto;
      box-shadow: 0 4px 10px rgba(183, 28, 28, 0.25);
    }

    .timeline-step h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--dark-text);
    }

    .timeline-step p {
      font-size: 13.5px;
      color: var(--body-text);
    }

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

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

    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }

    .case-img-wrap {
      width: 100%;
      height: 190px;
      background: #eee;
      overflow: hidden;
    }

    .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-content {
      padding: 22px;
    }

    .case-category {
      font-size: 12px;
      font-weight: 700;
      color: var(--deep-red);
      background: var(--crimson-light);
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 10px;
    }

    .case-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--dark-text);
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 13.5px;
      color: var(--body-text);
    }

    /* 宣传图画廊 */
    .banner-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 36px;
    }

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

    .banner-gallery-item img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    /* 对比评测板块 */
    .review-score-hero {
      background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
      border: 2px solid var(--primary-red);
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 36px;
      box-shadow: var(--shadow-md);
    }

    .score-summary-left h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 8px;
    }

    .score-summary-left p {
      font-size: 15px;
      color: var(--body-text);
    }

    .score-badge-right {
      text-align: right;
    }

    .score-stars {
      color: #ff9800;
      font-size: 24px;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }

    .score-digits {
      font-size: 38px;
      font-weight: 900;
      color: var(--deep-red);
    }

    .score-digits small {
      font-size: 16px;
      color: var(--muted-text);
      font-weight: normal;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      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;
      font-size: 14.5px;
    }

    .compare-table th, 
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f0e2e2;
    }

    .compare-table th {
      background: #fff0f0;
      color: var(--dark-text);
      font-weight: 700;
    }

    .compare-table tr:last-child td {
      border-bottom: none;
    }

    .compare-table td.highlight-col {
      background: #fff9f9;
      color: var(--deep-red);
      font-weight: 700;
    }

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

    .token-price-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 32px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
      position: relative;
    }

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

    .featured-ribbon {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-red);
      color: #ffffff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 50px;
    }

    .token-card-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--dark-text);
    }

    .token-price {
      font-size: 32px;
      font-weight: 900;
      color: var(--deep-red);
      margin-bottom: 20px;
    }

    .token-price span {
      font-size: 14px;
      color: var(--muted-text);
      font-weight: normal;
    }

    .token-features-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      text-align: left;
      font-size: 14px;
      color: var(--body-text);
      margin-bottom: 24px;
    }

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

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

    .review-stars {
      color: #ff9800;
      font-size: 14px;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 14px;
      color: var(--body-text);
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f9ecec;
      padding-top: 14px;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--crimson-light);
      color: var(--deep-red);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 14px;
    }

    .author-info h5 {
      font-size: 14.5px;
      font-weight: 700;
      color: var(--dark-text);
    }

    .author-info span {
      font-size: 12px;
      color: var(--muted-text);
    }

    /* FAQ 折叠面板 (10+条) */
    .faq-wrapper {
      max-width: 920px;
      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;
      transition: var(--transition);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--dark-text);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

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

    .faq-toggle-icon {
      font-size: 20px;
      font-weight: bold;
      color: var(--deep-red);
      transition: transform 0.25s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fffcfc;
      font-size: 14.5px;
      color: var(--body-text);
      padding: 0 24px;
      line-height: 1.7;
    }

    .faq-item.active {
      border-color: var(--primary-red);
    }

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

    .faq-item.active .faq-answer {
      max-height: 260px;
      padding: 16px 24px 22px 24px;
      border-top: 1px solid #fce8e8;
    }

    /* 需求匹配与表单 */
    .form-section-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: center;
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 44px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }

    .form-info-left h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--dark-text);
    }

    .form-info-left p {
      font-size: 15px;
      color: var(--body-text);
      margin-bottom: 24px;
    }

    .contact-direct-items {
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 14.5px;
    }

    .contact-direct-item {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--dark-text);
    }

    .contact-direct-item strong {
      color: var(--deep-red);
    }

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

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

    .form-group label {
      font-size: 13.5px;
      font-weight: 600;
      color: var(--dark-text);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #e0c8c8;
      border-radius: var(--radius-sm);
      font-size: 14px;
      outline: none;
      transition: var(--transition);
      background: #fffafa;
    }

    .form-control:focus {
      border-color: var(--primary-red);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
    }

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

    .form-btn-submit {
      padding: 14px;
      background: linear-gradient(135deg, var(--primary-red), var(--deep-red));
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 4px 14px rgba(211, 47, 47, 0.3);
    }

    .form-btn-submit:hover {
      box-shadow: 0 6px 20px rgba(211, 47, 47, 0.4);
      transform: translateY(-2px);
    }

    /* 行业资讯与短代码调用文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .article-card:hover {
      border-color: var(--primary-red);
      transform: translateY(-4px);
    }

    .article-date {
      font-size: 12px;
      color: var(--muted-text);
      margin-bottom: 8px;
    }

    .article-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
      color: var(--dark-text);
    }

    .article-title a:hover {
      color: var(--primary-red);
    }

    .article-desc {
      font-size: 13.5px;
      color: var(--body-text);
    }

    .articles-raw-box {
      margin-top: 24px;
      padding: 16px 20px;
      background: #ffffff;
      border: 1px dashed var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 13.5px;
      color: var(--body-text);
    }

    /* 加盟代理模块 */
    .agent-banner {
      background: linear-gradient(135deg, #b71c1c 0%, #d32f2f 100%);
      border-radius: var(--radius-lg);
      padding: 48px;
      color: #ffffff;
      text-align: center;
      box-shadow: var(--shadow-lg);
    }

    .agent-banner h3 {
      font-size: 30px;
      font-weight: 900;
      margin-bottom: 14px;
      color: #ffffff;
    }

    .agent-banner p {
      font-size: 16px;
      max-width: 800px;
      margin: 0 auto 28px auto;
      color: rgba(255, 255, 255, 0.9);
      line-height: 1.7;
    }

    .agent-btn {
      display: inline-block;
      padding: 14px 38px;
      background: #ffffff;
      color: var(--deep-red);
      font-size: 16px;
      font-weight: 800;
      border-radius: 50px;
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
    }

    .agent-btn:hover {
      background: var(--gold-light);
      transform: translateY(-2px);
    }

    /* 页脚样式 (严格指定深色文字和统一宽度) */
    .site-footer {
      background-color: #f7eded;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px 0;
      color: #333333;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--deep-red);
      margin-bottom: 16px;
    }

    .footer-col p {
      font-size: 13.5px;
      color: #555555;
      line-height: 1.7;
    }

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

    .footer-links-list li a {
      font-size: 13.5px;
      color: #444444;
    }

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

    .qr-container {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-top: 10px;
    }

    .qr-box {
      width: 90px;
      height: 90px;
      background: #ffffff;
      padding: 6px;
      border: 1px solid #e0c8c8;
      border-radius: var(--radius-sm);
    }

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

    .qr-desc {
      font-size: 12.5px;
      color: #555555;
    }

    .footer-friends-bar {
      border-top: 1px solid #ebd4d4;
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friends-links {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 13px;
      color: #555555;
    }

    .friends-links a {
      color: #555555;
    }

    .friends-links a:hover {
      color: var(--primary-red);
    }

    .footer-copyright {
      border-top: 1px solid #ebd4d4;
      padding-top: 20px;
      text-align: center;
      font-size: 13px;
      color: #666666;
    }

    /* 悬浮客服面板 */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-red), var(--deep-red));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      box-shadow: 0 4px 16px rgba(183, 28, 28, 0.35);
      cursor: pointer;
      transition: var(--transition);
      border: none;
    }

    .float-btn:hover {
      transform: scale(1.08);
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .hero-layout,
      .about-grid,
      .form-section-layout,
      .review-score-hero {
        grid-template-columns: 1fr;
      }

      .services-grid,
      .case-grid,
      .token-pricing-grid,
      .reviews-grid,
      .articles-grid,
      .banner-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .matrix-grid,
      .timeline-steps,
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }

      .nav-wrap {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        box-shadow: var(--shadow-md);
      }

      .nav-wrap.active {
        display: block;
      }

      .nav-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
      }

      .nav-cta-btn {
        margin-left: 0;
        margin-top: 14px;
        display: block;
        text-align: center;
      }

      .services-grid,
      .case-grid,
      .token-pricing-grid,
      .reviews-grid,
      .articles-grid,
      .matrix-grid,
      .timeline-steps,
      .metrics-grid,
      .footer-top-grid,
      .banner-gallery-grid {
        grid-template-columns: 1fr;
      }

      .hero-content h1 {
        font-size: 28px;
      }

      .section-title {
        font-size: 25px;
      }

      .form-section-layout {
        padding: 24px;
      }
    }