:root {
      --bg-base: #f7f9fe;
      --bg-surface: #ffffff;
      --bg-alt: #eff3fa;
      --text-main: #0c1427;
      --text-muted: #52607a;
      --text-light: #8493ad;
      --neon-cyan: #00d4ff;
      --neon-magenta: #ff007a;
      --neon-purple: #7928ca;
      --neon-blue: #0061ff;
      --neon-amber: #ff9900;
      --grad-neon: linear-gradient(135deg, #0061ff 0%, #60efff 50%, #ff007a 100%);
      --grad-card: linear-gradient(180deg, #ffffff 0%, #f4f8fe 100%);
      --border-light: rgba(14, 165, 233, 0.18);
      --border-glow: rgba(0, 212, 255, 0.45);
      --shadow-neon: 0 10px 30px -10px rgba(0, 97, 255, 0.15), 0 0 15px rgba(0, 212, 255, 0.1);
      --shadow-hover: 0 20px 35px -8px rgba(121, 40, 202, 0.18), 0 0 25px rgba(255, 0, 122, 0.15);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --container-max: 1200px;
    }

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

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

    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 10%, rgba(0, 212, 255, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 25%, rgba(255, 0, 122, 0.04) 0%, transparent 45%),
        radial-gradient(circle at 50% 80%, rgba(121, 40, 202, 0.04) 0%, transparent 50%);
    }

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

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

    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 46px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      padding: 5px 16px;
      border-radius: 30px;
      background: rgba(0, 212, 255, 0.1);
      color: #0056b3;
      border: 1px solid var(--border-glow);
      margin-bottom: 12px;
      box-shadow: 0 0 10px rgba(0, 212, 255, 0.15);
    }

    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-light);
      box-shadow: 0 4px 20px rgba(12, 20, 39, 0.04);
      transition: background 0.3s ease;
    }

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

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

    .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }

    .brand-name {
      font-size: 1.3rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      background: linear-gradient(135deg, #0052d4, #7928ca);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    .nav-links li a {
      display: inline-block;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .nav-links li a:hover {
      color: #0052d4;
      background: rgba(0, 212, 255, 0.09);
    }

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

    .btn-neon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 0.95rem;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: 40px;
      color: #ffffff;
      background: linear-gradient(135deg, #0052d4, #ff007a);
      box-shadow: 0 4px 18px rgba(0, 82, 212, 0.35), 0 0 10px rgba(255, 0, 122, 0.25);
      border: none;
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    .btn-neon:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 24px rgba(0, 82, 212, 0.5), 0 0 18px rgba(255, 0, 122, 0.4);
      color: #ffffff;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.92rem;
      font-weight: 600;
      padding: 9px 18px;
      border-radius: 40px;
      color: #0052d4;
      border: 1.5px solid #0052d4;
      background: transparent;
      transition: all 0.25s ease;
    }

    .btn-outline:hover {
      background: rgba(0, 82, 212, 0.08);
      border-color: #ff007a;
      color: #ff007a;
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-main);
      padding: 6px;
    }

    /* 首屏 Hero (严格无图片) */
    .hero-section {
      padding: 85px 0 65px;
      background: radial-gradient(circle at 50% 0%, rgba(0, 212, 255, 0.12) 0%, rgba(247, 249, 254, 0) 70%);
      position: relative;
      text-align: center;
    }

    .hero-badge-wrap {
      margin-bottom: 22px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 18px;
      background: #ffffff;
      border: 1px solid var(--border-glow);
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 600;
      color: #0c1427;
      box-shadow: var(--shadow-neon);
    }

    .pulse-dot {
      width: 9px;
      height: 9px;
      background-color: #00d4ff;
      border-radius: 50%;
      box-shadow: 0 0 10px #00d4ff;
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(0.9); opacity: 0.7; }
      50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 15px #ff007a; }
      100% { transform: scale(0.9); opacity: 0.7; }
    }

    .hero-h1 {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
      color: #0c1427;
    }

    .hero-subtitle {
      font-size: 1.18rem;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 34px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 46px;
    }

    .hero-actions .btn-main {
      font-size: 1.05rem;
      padding: 13px 34px;
      border-radius: 50px;
      background: linear-gradient(135deg, #0052d4, #7928ca, #ff007a);
      color: #fff;
      font-weight: 700;
      box-shadow: 0 8px 25px rgba(121, 40, 202, 0.35);
      border: none;
      transition: all 0.3s ease;
    }

    .hero-actions .btn-main:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(255, 0, 122, 0.4);
    }

    .hero-feature-tags {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      flex-wrap: wrap;
      max-width: 900px;
      margin: 0 auto;
    }

    .feature-chip {
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid rgba(0, 97, 255, 0.16);
      padding: 8px 16px;
      border-radius: 20px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      backdrop-filter: blur(8px);
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.03);
    }

    /* 核心数据卡片 */
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
    }

    .metric-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-neon);
      transition: transform 0.3s ease;
    }

    .metric-card:hover {
      transform: translateY(-5px);
      border-color: var(--neon-cyan);
    }

    .metric-val {
      font-size: 2.3rem;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 6px;
      background: linear-gradient(135deg, #0052d4, #ff007a);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    /* 模型矩阵胶囊云 */
    .model-matrix-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 30px;
      margin-top: 36px;
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
    }

    .matrix-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      gap: 10px;
      color: #0c1427;
    }

    .matrix-badge-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .model-badge {
      background: #f0f5ff;
      border: 1px solid rgba(0, 97, 255, 0.15);
      padding: 6px 14px;
      border-radius: 8px;
      font-size: 0.85rem;
      font-weight: 600;
      color: #004ecc;
      transition: all 0.2s ease;
    }

    .model-badge:hover {
      background: linear-gradient(135deg, #0052d4, #7928ca);
      color: #ffffff;
      border-color: transparent;
      transform: translateY(-2px);
    }

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

    .service-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.03);
      transition: all 0.3s ease;
      position: relative;
      display: flex;
      flex-direction: column;
    }

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

    .service-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(255, 0, 122, 0.15));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 18px;
      color: #0052d4;
    }

    .service-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

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

    .service-tag-item {
      font-size: 0.8rem;
      color: #0061ff;
      background: rgba(0, 97, 255, 0.08);
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
      align-self: flex-start;
      font-weight: 600;
    }

    /* 场景解决方案与素材展示 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .solution-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 0 6px 22px rgba(0, 0, 0, 0.04);
      transition: transform 0.3s ease;
    }

    .solution-item:hover {
      transform: translateY(-5px);
      border-color: var(--border-glow);
    }

    .solution-img-wrap {
      width: 100%;
      height: 240px;
      background: #e2e8f0;
      overflow: hidden;
      position: relative;
    }

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

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

    .solution-body {
      padding: 24px;
    }

    .solution-body h3 {
      font-size: 1.22rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

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

    /* 对比评测卡片与表格 */
    .review-score-hero {
      background: linear-gradient(135deg, #09132c, #132448);
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      margin-bottom: 30px;
      border: 1px solid rgba(0, 212, 255, 0.4);
      box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15), 0 0 20px rgba(0, 212, 255, 0.2);
    }

    .score-left h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: #ffffff;
    }

    .score-left p {
      color: #a0aec0;
      font-size: 0.95rem;
    }

    .score-right {
      display: flex;
      align-items: center;
      gap: 30px;
    }

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

    .score-stars {
      color: #ffb703;
      font-size: 1.5rem;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }

    .score-num-box {
      background: rgba(255, 255, 255, 0.1);
      padding: 12px 24px;
      border-radius: 16px;
      text-align: center;
      border: 1px solid rgba(0, 212, 255, 0.4);
    }

    .score-val-big {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1;
      color: #00ffff;
      text-shadow: 0 0 12px rgba(0, 255, 255, 0.6);
    }

    .score-max {
      font-size: 0.85rem;
      color: #cbd5e1;
      margin-top: 4px;
    }

    .compare-table-wrap {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      overflow-x: auto;
      box-shadow: 0 5px 25px rgba(0, 0, 0, 0.04);
    }

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

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #eef2f7;
      font-size: 0.93rem;
    }

    .compare-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
    }

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

    .tag-win {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      color: #00875a;
      font-weight: 700;
      background: #e3fcef;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.85rem;
    }

    .tag-lose {
      color: #626f86;
      background: #f1f2f4;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.85rem;
    }

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

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      text-align: center;
      position: relative;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
    }

    .step-num {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #0052d4, #00d4ff);
      color: #ffffff;
      font-weight: 800;
      font-size: 1.15rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      box-shadow: 0 4px 12px rgba(0, 212, 255, 0.4);
    }

    .step-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    /* 案例展示横幅区 */
    .banner-gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 24px;
    }

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

    .banner-gallery-item img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.3s ease;
    }

    .banner-gallery-item:hover img {
      transform: scale(1.03);
    }

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

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.03);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-quote {
      font-size: 0.93rem;
      color: #2d3748;
      line-height: 1.65;
      margin-bottom: 20px;
      position: relative;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #edf2f7;
      padding-top: 14px;
    }

    .author-avatar-text {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #0052d4, #ff007a);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }

    .author-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-info p {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      box-shadow: 0 3px 12px rgba(0, 0, 0, 0.02);
      transition: border-color 0.25s ease;
    }

    .faq-item:hover {
      border-color: var(--neon-cyan);
    }

    .faq-question {
      padding: 18px 22px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }

    .faq-icon {
      font-size: 1.2rem;
      color: #0052d4;
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: #ff007a;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
      background: #fafcff;
      border-top: 1px solid transparent;
      padding: 0 22px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 22px 20px;
      border-top: 1px solid #edf2f7;
    }

    .faq-answer p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 需求表单与代理专区 */
    .form-contact-wrap {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-neon);
    }

    .form-box h3 {
      font-size: 1.45rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .form-box p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

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

    .form-row label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 11px 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 0.93rem;
      font-family: inherit;
      color: var(--text-main);
      background: #fbfdff;
      outline: none;
      transition: all 0.25s ease;
    }

    .form-control:focus {
      border-color: #0052d4;
      background: #fff;
      box-shadow: 0 0 0 3px rgba(0, 82, 212, 0.15);
    }

    .form-btn-submit {
      width: 100%;
      padding: 13px;
      border: none;
      border-radius: 40px;
      background: linear-gradient(135deg, #0052d4, #ff007a);
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 6px 20px rgba(0, 82, 212, 0.35);
      transition: all 0.3s ease;
    }

    .form-btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(255, 0, 122, 0.45);
    }

    .contact-card-sidebar {
      background: linear-gradient(180deg, #f4f8fe 0%, #edf3fc 100%);
      border: 1px solid rgba(0, 97, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-card-sidebar h4 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: #0c1427;
    }

    .contact-info-list {
      list-style: none;
      margin-bottom: 24px;
    }

    .contact-info-list li {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

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

    .qr-box {
      text-align: center;
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid #e2e8f0;
      margin-top: 10px;
    }

    .qr-box img {
      width: 140px;
      height: 140px;
      object-fit: contain;
      display: block;
      margin: 0 auto 8px;
    }

    .qr-box p {
      font-size: 0.82rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 行业资讯与最新文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
      margin-bottom: 26px;
    }

    .article-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.02);
      transition: all 0.25s ease;
    }

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

    .article-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .article-card h4 a:hover {
      color: #0052d4;
    }

    .article-card p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    .article-links-strip {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 18px 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
    }

    .article-links-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: #0c1427;
    }

    .article-links-strip a {
      font-size: 0.86rem;
      color: #0052d4;
      background: #f0f6ff;
      padding: 4px 12px;
      border-radius: 6px;
    }

    .article-links-strip a:hover {
      background: #0052d4;
      color: #ffffff;
    }

    /* 页脚设计 */
    .site-footer {
      background: #0b1329;
      color: #94a3b8;
      padding: 55px 0 25px;
      border-top: 1px solid rgba(0, 212, 255, 0.2);
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      padding-bottom: 35px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      margin-bottom: 28px;
    }

    .footer-brand h4 {
      font-size: 1.3rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      line-height: 1.6;
      color: #8fa0bc;
    }

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col ul li a {
      font-size: 0.88rem;
      color: #94a3b8;
    }

    .footer-col ul li a:hover {
      color: #00d4ff;
    }

    .footer-friendly-links {
      margin-bottom: 22px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
    }

    .footer-friendly-links strong {
      color: #cbd5e1;
      font-size: 0.86rem;
    }

    .footer-friendly-links a {
      font-size: 0.84rem;
      color: #8fa0bc;
      margin-right: 8px;
      transition: color 0.2s ease;
    }

    .footer-friendly-links a:hover {
      color: #00d4ff;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.82rem;
      color: #64748b;
    }

    .footer-bottom a {
      color: #94a3b8;
    }

    .footer-bottom a:hover {
      color: #00d4ff;
    }

    /* 悬浮工具条 */
    .float-dock {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 1000;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .dock-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-glow);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0052d4;
      font-size: 1.25rem;
      cursor: pointer;
      transition: all 0.25s ease;
    }

    .dock-btn:hover {
      background: linear-gradient(135deg, #0052d4, #ff007a);
      color: #ffffff;
      transform: translateY(-3px);
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .metrics-bar { grid-template-columns: repeat(2, 1fr); }
      .steps-grid { grid-template-columns: repeat(2, 1fr); }
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-top-grid { grid-template-columns: 1fr 1fr; }
      .form-contact-wrap { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: 0 10px 25px rgba(0,0,0,0.06);
      }
      .nav-links.active { display: flex; }
      .nav-cta .btn-outline { display: none; }
      .hero-h1 { font-size: 2.1rem; }
      .services-grid { grid-template-columns: 1fr; }
      .solutions-grid { grid-template-columns: 1fr; }
      .metrics-bar { grid-template-columns: 1fr; }
      .steps-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .banner-gallery { grid-template-columns: 1fr; }
      .articles-grid { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr; }
      .score-right { justify-content: flex-start; }
      .score-left, .score-right { width: 100%; }
    }