:root {
      --primary-red: #DC2626;
      --primary-red-hover: #B91C1C;
      --primary-red-dark: #991B1B;
      --primary-red-light: #FEE2E2;
      --accent-gold: #D97706;
      --text-main: #1F2937;
      --text-muted: #4B5563;
      --text-light: #9CA3AF;
      --bg-page: #FAF7F7;
      --bg-card: #FFFFFF;
      --bg-alt: #F5EFEF;
      --border-color: #F3D5D5;
      --border-focus: #DC2626;
      --shadow-sm: 0 2px 6px rgba(220, 38, 38, 0.05);
      --shadow-md: 0 6px 18px rgba(220, 38, 38, 0.08);
      --shadow-lg: 0 12px 28px rgba(220, 38, 38, 0.12);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --max-width: 1200px;
      --transition: all 0.28s ease;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      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(--max-width);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 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: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

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

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

    .brand-logo-img {
      max-height: 44px;
      width: auto;
    }

    .brand-title-group {
      display: flex;
      flex-direction: column;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary-red-dark);
      letter-spacing: -0.5px;
      line-height: 1.2;
    }

    .brand-tag {
      font-size: 0.75rem;
      color: var(--text-muted);
      letter-spacing: 0.5px;
    }

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

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      border-radius: var(--radius-sm);
    }

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

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

    .btn-header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 18px;
      font-size: 0.9rem;
      font-weight: 600;
      color: #fff;
      background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
      border-radius: var(--radius-sm);
      box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
    }

    .btn-header-cta:hover {
      background: linear-gradient(135deg, var(--primary-red-hover), var(--primary-red-dark));
      box-shadow: 0 6px 16px rgba(220, 38, 38, 0.35);
      color: #fff;
      transform: translateY(-1px);
    }

    .mobile-nav-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 6px 10px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      color: var(--primary-red-dark);
      font-size: 1.2rem;
    }

    /* 首屏 Hero - 无图片，纯色/渐变/几何/文字/数据 */
    .hero-section {
      position: relative;
      background: linear-gradient(180deg, #FFF5F5 0%, #FAEEEE 100%);
      padding: 64px 0 72px;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-decorative-circle {
      position: absolute;
      border-radius: 50%;
      pointer-events: none;
      filter: blur(80px);
      z-index: 1;
    }

    .circle-1 {
      top: -100px;
      left: 10%;
      width: 320px;
      height: 320px;
      background: rgba(220, 38, 38, 0.12);
    }

    .circle-2 {
      bottom: -120px;
      right: 15%;
      width: 400px;
      height: 400px;
      background: rgba(217, 119, 6, 0.08);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 880px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      background-color: #FFFFFF;
      border: 1px solid #FECACA;
      border-radius: 50px;
      color: var(--primary-red);
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 20px;
      box-shadow: var(--shadow-sm);
    }

    .hero-title {
      font-size: 2.6rem;
      font-weight: 900;
      color: #7F1D1D;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 32px;
      padding: 0 10px;
    }

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

    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #FFFFFF;
      background: linear-gradient(135deg, #EF4444 0%, #DC2626 50%, #B91C1C 100%);
      border-radius: var(--radius-md);
      box-shadow: 0 8px 24px rgba(220, 38, 38, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.3);
      position: relative;
      overflow: hidden;
    }

    .btn-hero-primary:hover {
      background: linear-gradient(135deg, #DC2626 0%, #B91C1C 50%, #991B1B 100%);
      box-shadow: 0 10px 28px rgba(220, 38, 38, 0.45);
      color: #fff;
      transform: translateY(-2px);
    }

    .btn-hero-secondary {
      padding: 14px 28px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--primary-red-dark);
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-secondary:hover {
      background: #FFF1F1;
      border-color: #FECACA;
      transform: translateY(-2px);
    }

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

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

    .stat-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #F87171;
    }

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

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

    /* 通用章节样式 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

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

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

    .section-eyebrow {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-red);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 8px;
    }

    .section-heading {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 平台介绍与模型矩阵 */
    .platform-intro-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 40px;
    }

    .intro-feature-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .intro-feature-box:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #F87171;
    }

    .feature-icon-bar {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      background: var(--primary-red-light);
      color: var(--primary-red);
      font-size: 1.3rem;
      font-weight: bold;
      margin-bottom: 18px;
    }

    .intro-feature-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .intro-feature-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 模型标签云 */
    .models-cloud-wrap {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

    .cloud-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary-red-dark);
      margin-bottom: 18px;
    }

    .model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .model-tag-item {
      padding: 6px 14px;
      background: #FFF5F5;
      color: #991B1B;
      font-size: 0.85rem;
      font-weight: 600;
      border: 1px solid #FECACA;
      border-radius: 20px;
      transition: var(--transition);
    }

    .model-tag-item:hover {
      background: var(--primary-red);
      color: #FFFFFF;
      border-color: var(--primary-red);
      transform: translateY(-1px);
    }

    /* 核心服务卡片 (9宫格) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .service-head {
      margin-bottom: 14px;
    }

    .service-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary-red);
      background: var(--primary-red-light);
      padding: 3px 8px;
      border-radius: 4px;
      margin-bottom: 8px;
    }

    .service-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .service-features-list {
      list-style: none;
      font-size: 0.85rem;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .service-features-list li {
      position: relative;
      padding-left: 18px;
      margin-bottom: 6px;
    }

    .service-features-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--primary-red);
      font-weight: bold;
    }

    /* 宣传图展示区 (非首屏) */
    .promo-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 36px;
    }

    .promo-img-card {
      background: #FFFFFF;
      padding: 10px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .promo-img-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .promo-img-card img {
      width: 100%;
      border-radius: var(--radius-sm);
      object-fit: cover;
    }

    /* 行业方案与图文区 */
    .solutions-tabs-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
      margin-bottom: 40px;
    }

    .solutions-content {
      padding-right: 10px;
    }

    .solution-item-row {
      margin-bottom: 22px;
      padding-left: 16px;
      border-left: 3px solid var(--primary-red);
    }

    .solution-item-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--primary-red-dark);
      margin-bottom: 6px;
    }

    .solution-item-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .solutions-media-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

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

    .solution-img-box.span-2 {
      grid-column: span 2;
    }

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

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

    /* 标准制作流程 */
    .process-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .step-card:hover {
      border-color: var(--primary-red);
      transform: translateY(-3px);
    }

    .step-badge-num {
      width: 38px;
      height: 38px;
      background: var(--primary-red);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      margin-bottom: 14px;
      box-shadow: 0 4px 10px rgba(220, 38, 38, 0.25);
    }

    .step-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测 - 突出 9.9分 与 五星 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #FFF1F1 0%, #FFFFFF 100%);
      border: 2px solid #FCA5A5;
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--shadow-md);
    }

    .eval-score-area {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-circle {
      width: 90px;
      height: 90px;
      background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
      color: #FFFFFF;
      border-radius: 50%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 6px 16px rgba(220, 38, 38, 0.3);
    }

    .score-num {
      font-size: 1.8rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-max {
      font-size: 0.75rem;
      opacity: 0.9;
    }

    .eval-rating-text h3 {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary-red-dark);
      margin-bottom: 4px;
    }

    .star-rating {
      color: #EAB308;
      font-size: 1.25rem;
      letter-spacing: 2px;
      margin-bottom: 6px;
    }

    .eval-summary-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      max-width: 520px;
    }

    .comparison-table-wrapper {
      width: 100%;
      overflow-x: auto;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
      min-width: 640px;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #F3E8E8;
    }

    .compare-table th {
      background: #FEF2F2;
      color: var(--primary-red-dark);
      font-weight: 700;
    }

    .compare-table tr:hover td {
      background: #FFF9F9;
    }

    .compare-table .highlight-col {
      background: #FFF5F5;
      font-weight: 600;
      color: var(--primary-red-dark);
      border-left: 1px solid #FECACA;
      border-right: 1px solid #FECACA;
    }

    /* Token 比价与算力优势 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 30px;
    }

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

    .token-card:hover {
      border-color: var(--primary-red);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .token-tier-name {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .token-price-tag {
      font-size: 1.9rem;
      font-weight: 900;
      color: var(--primary-red);
      margin-bottom: 12px;
    }

    .token-price-tag small {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: normal;
    }

    .token-features {
      list-style: none;
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      text-align: left;
    }

    .token-features li {
      padding: 6px 0;
      border-bottom: 1px dashed #F3D5D5;
    }

    /* 加盟代理板块 */
    .partner-banner {
      background: linear-gradient(135deg, #7F1D1D 0%, #B91C1C 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 40px;
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 30px;
      align-items: center;
      box-shadow: var(--shadow-lg);
    }

    .partner-content h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .partner-content p {
      font-size: 0.95rem;
      opacity: 0.9;
      line-height: 1.6;
      margin-bottom: 20px;
    }

    .partner-points {
      list-style: none;
      font-size: 0.9rem;
      margin-bottom: 24px;
    }

    .partner-points li {
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .btn-partner-cta {
      display: inline-block;
      padding: 12px 28px;
      background: #FFFFFF;
      color: var(--primary-red-dark);
      font-weight: 700;
      border-radius: var(--radius-sm);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .btn-partner-cta:hover {
      background: #FFF1F1;
      transform: translateY(-2px);
    }

    .partner-card-box {
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.25);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .partner-stat-row {
      margin-bottom: 14px;
    }

    .partner-stat-num {
      font-size: 1.7rem;
      font-weight: 800;
      color: #FDE047;
    }

    .partner-stat-label {
      font-size: 0.85rem;
      opacity: 0.85;
    }

    /* 用户评论 (6条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .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;
      transition: var(--transition);
    }

    .review-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #FCA5A5;
    }

    .review-stars {
      color: #F59E0B;
      font-size: 0.9rem;
      margin-bottom: 10px;
    }

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

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F9EBEB;
      padding-top: 14px;
    }

    .reviewer-avatar-placeholder {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-red-light);
      color: var(--primary-red);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
    }

    .reviewer-name {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .reviewer-role {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* AI 百科 & 帮助中心 */
    .knowledge-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

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

    .knowledge-card:hover {
      border-color: var(--primary-red);
      transform: translateY(-2px);
    }

    .knowledge-tag {
      font-size: 0.75rem;
      color: var(--primary-red);
      font-weight: 600;
      margin-bottom: 6px;
    }

    .knowledge-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

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

    /* 行业资讯 & 最新文章 */
    .articles-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

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

    .article-box-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--primary-red-dark);
      margin-bottom: 16px;
      border-bottom: 2px solid var(--primary-red-light);
      padding-bottom: 8px;
    }

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

    .latest-links-list li {
      margin-bottom: 12px;
      padding-bottom: 12px;
      border-bottom: 1px dashed #F3D5D5;
    }

    .latest-links-list li a {
      font-size: 0.92rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

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

    .poster-articles-content {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      background: #FFFDFD;
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid #FEE2E2;
    }

    /* 需求匹配表单与联系我们 */
    .contact-form-layout {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: start;
    }

    .form-container-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.95rem;
      border: 1px solid #D1D5DB;
      border-radius: var(--radius-sm);
      background-color: #FAFAFA;
      color: var(--text-main);
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-red);
      background-color: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }

    .btn-submit-form {
      width: 100%;
      padding: 14px;
      font-size: 1rem;
      font-weight: 700;
      color: #FFFFFF;
      background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(220, 38, 38, 0.25);
      transition: var(--transition);
    }

    .btn-submit-form:hover {
      background: linear-gradient(135deg, var(--primary-red-hover), #7F1D1D);
      box-shadow: 0 6px 18px rgba(220, 38, 38, 0.35);
      transform: translateY(-1px);
    }

    .contact-info-panel {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .contact-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-red-dark);
      margin-bottom: 20px;
    }

    .contact-list {
      list-style: none;
      font-size: 0.92rem;
      margin-bottom: 24px;
    }

    .contact-list li {
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--text-muted);
    }

    .contact-list strong {
      color: var(--text-main);
    }

    .qr-box-wrap {
      text-align: center;
      padding-top: 16px;
      border-top: 1px solid #F3E8E8;
    }

    .qr-img-box {
      width: 150px;
      margin: 0 auto 10px;
      padding: 6px;
      background: #FFF5F5;
      border: 1px solid #FECACA;
      border-radius: var(--radius-sm);
    }

    .qr-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 常见问题 (FAQ 折叠面板) */
    .faq-accordion-list {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .faq-item:hover {
      border-color: #F87171;
    }

    .faq-question-btn {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      padding: 18px 24px;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: var(--transition);
      font-family: inherit;
    }

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

    .faq-icon {
      font-size: 1.3rem;
      color: var(--primary-red);
      transition: transform 0.28s ease;
    }

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

    .faq-answer-panel {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
      background: #FFFDFD;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px dashed #FEE2E2;
      padding-top: 14px;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background-color: #FFFFFF;
      border-top: 2px solid var(--border-color);
      padding: 50px 0 24px;
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    .footer-top-row {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 36px;
      margin-bottom: 36px;
      padding-bottom: 30px;
      border-bottom: 1px solid #F3E8E8;
    }

    .footer-brand h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary-red-dark);
      margin-bottom: 10px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      line-height: 1.6;
      max-width: 480px;
    }

    .footer-links-group h5 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .friendly-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .friendly-links-wrap a {
      display: inline-block;
      padding: 4px 10px;
      background: #FFF5F5;
      color: var(--primary-red-dark);
      border-radius: var(--radius-sm);
      border: 1px solid #FECACA;
      font-size: 0.84rem;
    }

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

    .footer-bottom-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 浮动组件 */
    .floating-tools {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .floating-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-red);
      cursor: pointer;
      transition: var(--transition);
      font-size: 1.1rem;
      position: relative;
    }

    .floating-btn:hover {
      background: var(--primary-red);
      color: #FFFFFF;
      border-color: var(--primary-red);
      transform: scale(1.05);
    }

    .float-qr-popover {
      position: absolute;
      right: 56px;
      bottom: 0;
      width: 140px;
      background: #FFFFFF;
      padding: 8px;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: none;
      text-align: center;
    }

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

    /* 响应式样式适配 */
    @media (max-width: 992px) {
      .header-inner {
        height: 64px;
      }
      .mobile-nav-toggle {
        display: block;
      }
      .nav-container {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
        padding: 16px 20px;
      }
      .nav-container.open {
        display: block;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 0;
        border-bottom: 1px solid #F3E8E8;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .platform-intro-grid,
      .services-grid,
      .token-grid,
      .reviews-grid,
      .promo-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps-grid,
      .knowledge-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .solutions-tabs-wrap,
      .partner-banner,
      .contact-form-layout,
      .footer-top-row,
      .articles-layout {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 1.7rem;
      }
      .hero-stats-grid,
      .platform-intro-grid,
      .services-grid,
      .token-grid,
      .reviews-grid,
      .promo-gallery-grid,
      .process-steps-grid,
      .knowledge-grid,
      .solutions-media-grid {
        grid-template-columns: 1fr;
      }
      .solution-img-box.span-2 {
        grid-column: span 1;
      }
      .eval-highlight-box {
        flex-direction: column;
        text-align: center;
      }
      .eval-score-area {
        flex-direction: column;
      }
      .section-heading {
        font-size: 1.6rem;
      }
      .header-actions .btn-header-cta {
        display: none;
      }
    }