:root {
      --bg-page: #f8faff;
      --bg-surface: #ffffff;
      --bg-alt: #f0f4fd;
      --text-main: #0b1528;
      --text-muted: #586981;
      --text-light: #899bb3;
      --accent-cyan: #00e5ff;
      --accent-magenta: #ff007f;
      --accent-purple: #7928ca;
      --accent-blue: #0066ff;
      --accent-lime: #10b981;
      --neon-glow: 0 0 20px rgba(0, 229, 255, 0.35), 0 0 40px rgba(255, 0, 127, 0.15);
      --card-border: rgba(0, 102, 255, 0.14);
      --card-shadow: 0 12px 36px -8px rgba(11, 21, 40, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --container-max: 1240px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      background: radial-gradient(circle at 10% 5%, rgba(0, 229, 255, 0.06), transparent 30%),
                  radial-gradient(circle at 90% 20%, rgba(255, 0, 127, 0.05), transparent 35%),
                  radial-gradient(circle at 50% 80%, rgba(121, 40, 202, 0.04), transparent 45%),
                  var(--bg-page);
      min-height: 100vh;
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
    }

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

    /* 顶部导航 */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(0, 229, 255, 0.2);
      transition: all 0.3s ease;
    }

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

    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .ai-page-logo {
      height: 44px;
      width: auto;
      max-width: 160px;
      object-fit: contain;
      filter: drop-shadow(0 2px 6px rgba(0, 102, 255, 0.25));
    }

    .brand-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      background: linear-gradient(135deg, #0b1528 20%, #0066ff 60%, #ff007f 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-menu {
      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;
      color: var(--text-main);
      font-size: 15px;
      font-weight: 600;
      text-decoration: none;
      position: relative;
      transition: color 0.25s ease;
    }

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

    .nav-links li a::after {
      content: '';
      position: absolute;
      bottom: 2px;
      left: 14px;
      right: 14px;
      height: 2px;
      background: linear-gradient(90deg, var(--accent-cyan), var(--accent-magenta));
      opacity: 0;
      transform: scaleX(0);
      transition: all 0.25s ease;
    }

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

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

    .btn-cyber {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #0066ff 0%, #7928ca 50%, #ff007f 100%);
      border: 1px solid rgba(255, 255, 255, 0.4);
      border-radius: var(--radius-sm);
      text-decoration: none;
      cursor: pointer;
      box-shadow: 0 4px 18px rgba(0, 102, 255, 0.3);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      white-space: nowrap;
    }

    .btn-cyber:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(255, 0, 127, 0.35);
      color: #ffffff;
    }

    .btn-neon-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      font-size: 14px;
      font-weight: 700;
      color: #0b1528;
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid var(--accent-blue);
      border-radius: var(--radius-sm);
      text-decoration: none;
      cursor: pointer;
      transition: all 0.2s ease;
      white-space: nowrap;
    }

    .btn-neon-ghost:hover {
      background: #eff6ff;
      border-color: var(--accent-magenta);
      color: var(--accent-magenta);
      transform: translateY(-2px);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: 0.3s;
    }

    /* 首屏无图纯CSS科技风 Hero */
    .hero-section {
      padding: 80px 0 60px;
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 48px;
      align-items: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: rgba(0, 229, 255, 0.1);
      border: 1px solid rgba(0, 229, 255, 0.4);
      border-radius: 30px;
      font-size: 13px;
      font-weight: 700;
      color: #0066ff;
      margin-bottom: 20px;
      box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
    }

    .hero-badge .ping-dot {
      width: 8px;
      height: 8px;
      background: var(--accent-magenta);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent-magenta);
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(0.9); opacity: 0.7; }
      50% { transform: scale(1.3); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.7; }
    }

    h1.hero-title {
      font-size: 42px;
      line-height: 1.22;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 22px;
      letter-spacing: -0.8px;
    }

    .gradient-text {
      background: linear-gradient(90deg, #0066ff 0%, #7928ca 40%, #ff007f 80%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      position: relative;
      display: inline-block;
    }

    .hero-desc {
      font-size: 17px;
      line-height: 1.75;
      color: var(--text-muted);
      margin-bottom: 34px;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .btn-hero-main {
      padding: 14px 34px;
      font-size: 16px;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, #00e5ff 0%, #0066ff 45%, #ff007f 100%);
      color: #ffffff;
      font-weight: 800;
      text-decoration: none;
      box-shadow: 0 10px 28px rgba(0, 102, 255, 0.4), 0 0 15px rgba(0, 229, 255, 0.4);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .btn-hero-main:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 14px 36px rgba(255, 0, 127, 0.5), 0 0 25px rgba(255, 0, 127, 0.4);
    }

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

    .tech-pill {
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 6px;
      background: #ffffff;
      border: 1px solid rgba(0, 102, 255, 0.15);
      color: var(--text-muted);
    }

    /* 首屏右侧纯代码科技态拟态卡片 */
    .hero-board {
      background: #ffffff;
      border: 1px solid rgba(0, 229, 255, 0.35);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: 0 20px 48px -10px rgba(0, 102, 255, 0.12), 0 0 30px rgba(0, 229, 255, 0.08);
      position: relative;
    }

    .board-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid #edf2f7;
      padding-bottom: 16px;
      margin-bottom: 20px;
    }

    .board-dots {
      display: flex;
      gap: 6px;
    }

    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .dot.r { background: #ff5f56; }
    .dot.y { background: #ffbd2e; }
    .dot.g { background: #27c93f; }

    .board-status {
      font-size: 12px;
      font-weight: 700;
      color: var(--accent-lime);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .board-metrics {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 24px;
    }

    .metric-box {
      background: var(--bg-alt);
      border-radius: var(--radius-md);
      padding: 16px;
      border: 1px solid rgba(121, 40, 202, 0.1);
    }

    .metric-val {
      font-size: 26px;
      font-weight: 800;
      color: #0b1528;
      line-height: 1.2;
    }

    .metric-val.cyan { color: #0066ff; }
    .metric-val.pink { color: #ff007f; }

    .metric-label {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 4px;
    }

    .board-flow-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .flow-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      background: #ffffff;
      border: 1px dashed rgba(0, 102, 255, 0.25);
      font-size: 13px;
      font-weight: 600;
    }

    .flow-tag {
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 4px;
      background: rgba(0, 102, 255, 0.1);
      color: var(--accent-blue);
    }

    /* 区域通用结构 */
    section.page-section {
      padding: 72px 0;
      position: relative;
    }

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

    .section-subtitle {
      display: inline-block;
      font-size: 13px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--accent-blue);
      margin-bottom: 10px;
      position: relative;
      padding: 2px 12px;
      background: rgba(0, 102, 255, 0.08);
      border-radius: 20px;
    }

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

    .section-intro {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 模型矩阵徽章云 */
    .model-matrix-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      padding: 28px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
    }

    .model-chip {
      padding: 8px 16px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
      background: #ffffff;
      border: 1px solid #e2e8f0;
      box-shadow: 0 2px 6px rgba(0,0,0,0.03);
      transition: all 0.2s ease;
      cursor: default;
    }

    .model-chip:hover {
      border-color: var(--accent-cyan);
      box-shadow: 0 0 14px rgba(0, 229, 255, 0.3);
      transform: translateY(-2px);
      color: var(--accent-blue);
    }

    /* 服务与制作能力多格卡片 */
    .service-cards-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px;
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
      position: relative;
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-6px);
      border-color: var(--accent-cyan);
      box-shadow: 0 16px 36px -6px rgba(0, 102, 255, 0.16), 0 0 20px rgba(0, 229, 255, 0.15);
    }

    .service-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 18px;
      color: #ffffff;
      margin-bottom: 16px;
      background: linear-gradient(135deg, var(--accent-blue), var(--accent-magenta));
      box-shadow: 0 4px 12px rgba(0, 102, 255, 0.25);
    }

    .service-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-card-tag {
      font-size: 11px;
      font-weight: 700;
      color: var(--accent-blue);
      background: rgba(0, 102, 255, 0.08);
      padding: 4px 10px;
      border-radius: 4px;
      align-self: flex-start;
    }

    /* 行业解决方案卡片网格 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
      gap: 24px;
    }

    .solution-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid #e5eaf2;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .solution-box h3 {
      font-size: 17px;
      font-weight: 700;
      color: #0b1528;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .solution-box h3::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 16px;
      background: linear-gradient(180deg, var(--accent-cyan), var(--accent-magenta));
      border-radius: 3px;
    }

    .solution-box p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测高光区 */
    .eval-highlight-card {
      background: linear-gradient(135deg, #0b1528 0%, #152238 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      margin-bottom: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: 0 18px 42px rgba(11, 21, 40, 0.25), 0 0 25px rgba(0, 229, 255, 0.2);
      border: 1px solid rgba(0, 229, 255, 0.3);
    }

    .eval-score-wrap {
      display: flex;
      align-items: baseline;
      gap: 16px;
    }

    .eval-score-num {
      font-size: 64px;
      font-weight: 900;
      line-height: 1;
      background: linear-gradient(90deg, var(--accent-cyan), #ffffff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .eval-stars {
      color: #ffb703;
      font-size: 22px;
      letter-spacing: 2px;
    }

    .eval-info h3 {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 6px;
      color: #ffffff;
    }

    .eval-info p {
      font-size: 14px;
      color: #94a3b8;
    }

    .eval-badge-win {
      padding: 8px 18px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 700;
      background: rgba(255, 0, 127, 0.2);
      border: 1px solid rgba(255, 0, 127, 0.5);
      color: #ff66b2;
      box-shadow: 0 0 15px rgba(255, 0, 127, 0.3);
    }

    /* 表格容器 */
    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
    }

    table.cyber-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 680px;
      font-size: 14px;
    }

    table.cyber-table th,
    table.cyber-table td {
      padding: 16px 20px;
      text-align: left;
      border-bottom: 1px solid #edf2f7;
    }

    table.cyber-table th {
      background: #f8faff;
      font-weight: 700;
      color: var(--text-main);
    }

    table.cyber-table td.highlight {
      background: rgba(0, 229, 255, 0.05);
      font-weight: 700;
      color: var(--accent-blue);
    }

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

    .process-step-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
      position: relative;
    }

    .step-idx {
      font-size: 32px;
      font-weight: 900;
      color: rgba(0, 102, 255, 0.15);
      line-height: 1;
      margin-bottom: 8px;
    }

    .process-step-card h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .process-step-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 案例中心 */
    .showcase-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }

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

    .showcase-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f1f5f9;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .showcase-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .showcase-item:hover .showcase-img-wrap img {
      transform: scale(1.04);
    }

    .showcase-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .showcase-body h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .showcase-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 12px;
      flex-grow: 1;
    }

    .showcase-metric-tag {
      font-size: 12px;
      font-weight: 700;
      color: var(--accent-magenta);
      background: rgba(255, 0, 127, 0.06);
      padding: 4px 8px;
      border-radius: 4px;
      align-self: flex-start;
    }

    /* 用户评论卡片 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: #ffb703;
      font-size: 14px;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 14px;
      color: #334155;
      line-height: 1.65;
      margin-bottom: 18px;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .author-avatar-badge {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-weight: 800;
      font-size: 14px;
    }

    .author-meta h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

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

    /* FAQ 手风琴 */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-item.active {
      border-color: var(--accent-blue);
      box-shadow: 0 4px 18px rgba(0, 102, 255, 0.08);
    }

    .faq-trigger {
      width: 100%;
      padding: 18px 22px;
      background: none;
      border: none;
      text-align: left;
      font-size: 15.5px;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
    }

    .faq-trigger:hover {
      color: var(--accent-blue);
    }

    .faq-icon {
      font-size: 18px;
      font-weight: 400;
      color: var(--text-light);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background: #fafcff;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      border-top: 1px solid #f1f5f9;
    }

    .faq-answer-inner {
      padding: 18px 22px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 提交表单区 */
    .form-wrapper-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
      align-items: center;
    }

    .form-info h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .form-info p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .kefu-box {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 16px;
      background: var(--bg-alt);
      border-radius: var(--radius-md);
      border: 1px dashed rgba(0, 102, 255, 0.2);
    }

    .kefu-box img {
      width: 88px;
      height: 88px;
      object-fit: cover;
      border-radius: 6px;
      border: 1px solid #cbd5e1;
    }

    .kefu-desc h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

    .kefu-desc p {
      font-size: 12px;
      color: var(--text-muted);
      margin: 4px 0 0;
    }

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

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

    .form-group label {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 14px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      outline: none;
      background: #ffffff;
      color: var(--text-main);
      transition: all 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--accent-blue);
      box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    /* 资讯与友情链接 */
    .articles-block {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
      margin-bottom: 24px;
    }

    .articles-block h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 14px;
      color: var(--text-main);
    }

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

    .articles-links a {
      font-size: 13px;
      color: var(--accent-blue);
      text-decoration: none;
      background: rgba(0, 102, 255, 0.05);
      padding: 6px 12px;
      border-radius: 4px;
      border: 1px solid rgba(0, 102, 255, 0.1);
      transition: all 0.2s ease;
    }

    .articles-links a:hover {
      background: var(--accent-blue);
      color: #ffffff;
    }

    /* 页面页脚 */
    footer.site-footer {
      background: #090e17;
      color: #94a3b8;
      border-top: 1px solid rgba(0, 229, 255, 0.2);
      padding: 48px 0 24px;
      margin-top: auto;
    }

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

    .footer-col h4 {
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-col p {
      font-size: 13px;
      line-height: 1.6;
      margin-bottom: 12px;
      color: #94a3b8;
    }

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

    .footer-links-list li a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 13px;
      transition: color 0.2s ease;
    }

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

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

    .friend-links-wrap a {
      color: #94a3b8;
      font-size: 13px;
      text-decoration: none;
      transition: color 0.2s ease;
    }

    .friend-links-wrap a:hover {
      color: var(--accent-magenta);
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: #64748b;
    }

    .footer-bottom a {
      color: #94a3b8;
      text-decoration: none;
    }

    /* 悬浮客服面板 */
    .float-dock {
      position: fixed;
      right: 20px;
      bottom: 24px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .dock-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--accent-blue);
      box-shadow: 0 4px 16px rgba(0,0,0,0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--accent-blue);
      font-size: 18px;
      text-decoration: none;
      transition: all 0.2s ease;
      position: relative;
    }

    .dock-btn:hover {
      background: var(--accent-blue);
      color: #ffffff;
      transform: scale(1.08);
    }

    .dock-qr-popup {
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
      border: 1px solid #cbd5e1;
      display: none;
      width: 140px;
      text-align: center;
    }

    .dock-qr-popup img {
      width: 100%;
      height: auto;
      border-radius: 4px;
    }

    .dock-qr-popup p {
      font-size: 11px;
      color: var(--text-main);
      margin-top: 6px;
      font-weight: 700;
    }

    .dock-kefu:hover .dock-qr-popup {
      display: block;
    }

    /* 移动端响应适配 */
    @media (max-width: 992px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .form-wrapper-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .process-steps-row {
        grid-template-columns: 1fr 1fr;
      }
      .eval-highlight-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid #e2e8f0;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        display: none;
      }
      .nav-menu.active {
        display: flex;
      }
      .nav-links {
        flex-direction: column;
        width: 100%;
      }
      .nav-links li {
        width: 100%;
        text-align: center;
      }
      .nav-links li a {
        display: block;
        padding: 12px;
      }
      .header-actions {
        display: none;
      }
      h1.hero-title {
        font-size: 30px;
      }
      .section-title {
        font-size: 26px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .process-steps-row {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
    }