:root {
      --primary: #4F46E5;
      --primary-hover: #4338CA;
      --primary-light: #EEF2FF;
      --secondary: #EC4899;
      --secondary-light: #FDF2F8;
      --accent-coral: #F97316;
      --accent-yellow: #FBBF24;
      --accent-teal: #06B6D4;
      --accent-green: #10B981;
      --text-dark: #1E293B;
      --text-mid: #475569;
      --text-soft: #64748B;
      --bg-page: #FFFDF9;
      --bg-card: #FFFFFF;
      --border-color: #F1F5F9;
      --border-soft: #E2E8F0;
      --shadow-sm: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.03);
      --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.06), 0 4px 6px -4px rgba(0,0,0,0.03);
      --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
      --shadow-candy: 0 12px 28px -6px rgba(79, 70, 229, 0.12);
      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-full: 9999px;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

    body {
      font-family: var(--font-stack);
      color: var(--text-dark);
      background-color: var(--bg-page);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

    ul, ol {
      list-style: none;
    }

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      transition: all 0.3s ease;
    }

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

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

    .brand-logo-wrap {
      height: 44px;
      display: flex;
      align-items: center;
    }

    .brand-logo-wrap img {
      max-height: 40px;
      width: auto;
      object-fit: contain;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-links a {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-mid);
      padding: 8px 14px;
      border-radius: var(--radius-full);
      position: relative;
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
      padding: 10px 22px;
      border-radius: var(--radius-full);
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), #6366F1);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, var(--primary-hover), #4F46E5);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(79, 70, 229, 0.45);
      color: #FFFFFF;
    }

    .btn-coral {
      background: linear-gradient(135deg, var(--accent-coral), #EA580C);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
    }

    .btn-coral:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(249, 115, 22, 0.45);
      color: #FFFFFF;
    }

    .btn-outline {
      border-color: #E2E8F0;
      color: var(--text-dark);
      background: #FFFFFF;
    }

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

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-dark);
      cursor: pointer;
      padding: 4px;
    }

    /* 移动端菜单抽屉 */
    .mobile-nav-layer {
      display: none;
      position: fixed;
      top: 76px;
      left: 0;
      width: 100%;
      background: #FFFFFF;
      box-shadow: 0 10px 25px rgba(0,0,0,0.1);
      padding: 20px;
      z-index: 999;
      border-bottom: 2px solid var(--primary-light);
    }

    .mobile-nav-layer.active {
      display: block;
    }

    .mobile-nav-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .mobile-nav-list a {
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      color: var(--text-dark);
      background: #F8FAFC;
    }

    /* 通用板块与排版 */
    section {
      padding: 85px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 56px auto;
    }

    .candy-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.85rem;
      font-weight: 700;
      padding: 6px 16px;
      border-radius: var(--radius-full);
      margin-bottom: 16px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .pill-purple {
      background: #EDE9FE;
      color: #6D28D9;
      border: 1px solid #DDD6FE;
    }

    .pill-pink {
      background: #FCE7F3;
      color: #BE185D;
      border: 1px solid #FBCFE8;
    }

    .pill-teal {
      background: #CCFBF1;
      color: #0F766E;
      border: 1px solid #99F6E4;
    }

    .pill-orange {
      background: #FFEDD5;
      color: #C2410C;
      border: 1px solid #FED7AA;
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-dark);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-mid);
      line-height: 1.7;
    }

    /* 首屏 HERO 区域 - 严格禁图 */
    .hero-section {
      padding: 70px 0 80px 0;
      background: radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 10% 80%, rgba(79, 70, 229, 0.08) 0%, transparent 45%),
                  linear-gradient(180deg, #FFFFFF 0%, #FFFDF9 100%);
      border-bottom: 1px solid #F1F5F9;
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 2.65rem;
      line-height: 1.25;
      font-weight: 900;
      color: #0F172A;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-content h1 span.highlight {
      background: linear-gradient(120deg, #4F46E5, #EC4899, #F97316);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-p {
      font-size: 1.125rem;
      color: var(--text-mid);
      margin-bottom: 32px;
      line-height: 1.75;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 36px;
    }

    .btn-hero-official {
      font-size: 1.05rem;
      padding: 13px 30px;
      background: linear-gradient(135deg, #EC4899, #F43F5E);
      color: #FFFFFF;
      box-shadow: 0 8px 20px rgba(236, 72, 153, 0.35);
      border-radius: var(--radius-full);
      font-weight: 800;
    }

    .btn-hero-official:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 25px rgba(236, 72, 153, 0.45);
      color: #FFFFFF;
    }

    .hero-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .hero-chip-item {
      font-size: 0.82rem;
      font-weight: 600;
      padding: 5px 12px;
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-full);
      color: var(--text-soft);
    }

    /* 首屏纯 CSS 构造的科技交互视窗（无图片） */
    .hero-visual-card {
      background: #FFFFFF;
      border: 2px solid #EEF2FF;
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: 0 20px 40px -15px rgba(79, 70, 229, 0.12);
      position: relative;
    }

    .terminal-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-bottom: 16px;
      margin-bottom: 20px;
      border-bottom: 1px solid #F1F5F9;
    }

    .terminal-dots {
      display: flex;
      gap: 8px;
    }

    .dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
    }

    .dot-r { background: #FF5F56; }
    .dot-y { background: #FFBD2E; }
    .dot-g { background: #27C93F; }

    .terminal-status {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--accent-green);
      background: #ECFDF5;
      padding: 4px 10px;
      border-radius: var(--radius-full);
    }

    .workflow-sim-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .sim-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 16px;
      border-radius: var(--radius-md);
      background: #F8FAFC;
      border: 1px solid #F1F5F9;
      transition: all 0.25s ease;
    }

    .sim-item:hover {
      background: var(--primary-light);
      border-color: #C7D2FE;
      transform: translateX(4px);
    }

    .sim-info {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .sim-badge {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.9rem;
      color: #FFFFFF;
    }

    .badge-p1 { background: linear-gradient(135deg, #4F46E5, #6366F1); }
    .badge-p2 { background: linear-gradient(135deg, #EC4899, #F43F5E); }
    .badge-p3 { background: linear-gradient(135deg, #F97316, #FB923C); }
    .badge-p4 { background: linear-gradient(135deg, #06B6D4, #3B82F6); }

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

    .sim-sub {
      font-size: 0.78rem;
      color: var(--text-soft);
    }

    .sim-status-pill {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--primary);
      background: #FFFFFF;
      padding: 4px 10px;
      border-radius: var(--radius-full);
      border: 1px solid #E0E7FF;
    }

    /* 指标统计栏 */
    .metric-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: -36px;
      position: relative;
      z-index: 10;
    }

    .metric-card {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

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

    .metric-num {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
    }

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

    /* 关于我们与平台介绍 */
    .platform-intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .intro-feature-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 24px;
    }

    .intro-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 16px;
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .feature-icon-circle {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex-shrink: 0;
      font-size: 1.1rem;
    }

    .feature-text-block h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 4px;
      color: var(--text-dark);
    }

    .feature-text-block p {
      font-size: 0.9rem;
      color: var(--text-mid);
      line-height: 1.6;
    }

    .platform-banner-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-candy);
      border: 3px solid #FFFFFF;
    }

    /* 支持模型滚动/网格标签 */
    .model-tags-wrapper {
      background: #FFFFFF;
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      margin-top: 36px;
    }

    .model-tags-title {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 18px;
      text-align: center;
      color: var(--text-dark);
    }

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

    .model-badge {
      font-size: 0.88rem;
      font-weight: 700;
      padding: 6px 14px;
      background: #F8FAFC;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-full);
      color: var(--text-dark);
      transition: all 0.2s ease;
    }

    .model-badge:hover {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
      transform: scale(1.05);
    }

    /* 核心场景能力卡片网格 */
    .scenes-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .scene-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 28px;
      border: 1px solid #F1F5F9;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      overflow: hidden;
    }

    .scene-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 5px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .scene-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-candy);
      border-color: #E0E7FF;
    }

    .scene-card:hover::before {
      opacity: 1;
    }

    .scene-top {
      margin-bottom: 16px;
    }

    .scene-tag-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
    }

    .scene-pill {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: var(--radius-full);
    }

    .scene-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 10px;
    }

    .scene-card p {
      font-size: 0.92rem;
      color: var(--text-mid);
      line-height: 1.65;
    }

    .scene-foot {
      padding-top: 16px;
      border-top: 1px dashed #F1F5F9;
      margin-top: 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .scene-feature-note {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--primary);
    }

    /* 一站式制作全流程卡片 */
    .steps-timeline-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .step-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px 24px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #FFFFFF;
      font-size: 1.3rem;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px auto;
      box-shadow: 0 6px 14px rgba(79, 70, 229, 0.3);
    }

    .step-card h4 {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text-dark);
    }

    .step-card p {
      font-size: 0.88rem;
      color: var(--text-mid);
      line-height: 1.6;
    }

    /* 对比评测板块 */
    .rating-banner {
      background: linear-gradient(135deg, #1E1B4B 0%, #312E81 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 36px;
      box-shadow: var(--shadow-lg);
    }

    .rating-left {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .score-badge {
      font-size: 3.2rem;
      font-weight: 900;
      color: #FBBF24;
      line-height: 1;
      text-align: center;
    }

    .score-badge span {
      font-size: 1.1rem;
      color: #94A3B8;
      font-weight: 600;
    }

    .rating-meta h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .rating-stars {
      color: #FBBF24;
      font-size: 1.2rem;
      letter-spacing: 2px;
    }

    .eval-table-container {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-soft);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
    }

    .eval-table th {
      background: #F8FAFC;
      padding: 18px 24px;
      font-weight: 800;
      color: var(--text-dark);
      border-bottom: 1px solid var(--border-soft);
    }

    .eval-table td {
      padding: 18px 24px;
      border-bottom: 1px solid #F1F5F9;
      color: var(--text-mid);
    }

    .eval-table tr:hover td {
      background: #FAFAFE;
    }

    .eval-table .highlight-col {
      background: #F5F3FF;
      font-weight: 700;
      color: var(--primary);
    }

    .badge-check {
      color: var(--accent-green);
      font-weight: 800;
      margin-right: 6px;
    }

    /* 案例展示区（带真实图片控制） */
    .case-media-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 28px;
    }

    .case-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .case-card-img-wrap {
      width: 100%;
      overflow: hidden;
      background: #E2E8F0;
    }

    .case-card-img-wrap img {
      width: 100%;
      height: auto;
      object-fit: contain;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-card-img-wrap img {
      transform: scale(1.02);
    }

    .case-card-content {
      padding: 24px;
    }

    .case-card-content h4 {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .case-card-content p {
      font-size: 0.9rem;
      color: var(--text-mid);
      line-height: 1.6;
    }

    /* 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: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s ease;
    }

    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #C7D2FE;
    }

    .review-head {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }

    .review-avatar {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--secondary), var(--accent-coral));
      color: #FFFFFF;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .review-user-name {
      font-weight: 800;
      font-size: 1rem;
      color: var(--text-dark);
    }

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

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

    .review-body {
      font-size: 0.92rem;
      color: var(--text-mid);
      line-height: 1.7;
    }

    /* FAQ 手风琴折叠面板 */
    .faq-accordion {
      max-width: 900px;
      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: all 0.25s ease;
    }

    .faq-item.active {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-dark);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

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

    .faq-icon {
      font-size: 1.3rem;
      transition: transform 0.3s ease;
      color: var(--text-soft);
    }

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

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

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 0 24px 20px 24px;
    }

    .faq-answer p {
      font-size: 0.92rem;
      color: var(--text-mid);
      line-height: 1.7;
      border-top: 1px dashed #E2E8F0;
      padding-top: 14px;
    }

    /* 表单与需求提交 / 联系我们 */
    .form-section-card {
      background: #FFFFFF;
      border: 2px solid #EEF2FF;
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-candy);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 48px;
    }

    .contact-info-column {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-meta-item {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 20px;
    }

    .contact-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
    }

    .contact-qr-box {
      background: #F8FAFC;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-md);
      padding: 16px;
      display: flex;
      align-items: center;
      gap: 16px;
      margin-top: 24px;
    }

    .contact-qr-img {
      width: 90px;
      height: 90px;
      border-radius: 8px;
      overflow: hidden;
      flex-shrink: 0;
    }

    .form-column form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

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

    .form-group label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-dark);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-soft);
      font-family: inherit;
      font-size: 0.95rem;
      color: var(--text-dark);
      background: #FBFBFC;
      transition: all 0.25s ease;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--primary);
      background: #FFFFFF;
      box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    }

    /* 最新文章与资讯 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 24px;
    }

    .article-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .article-item:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
    }

    .article-item a {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-dark);
      line-height: 1.5;
      display: block;
      margin-bottom: 8px;
    }

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

    .article-meta {
      font-size: 0.8rem;
      color: var(--text-soft);
    }

    /* 友情链接 */
    .links-strip {
      padding: 28px;
      background: #FFFFFF;
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      margin-top: 40px;
    }

    .links-title {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 12px;
    }

    .links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .links-flex a {
      font-size: 0.88rem;
      color: var(--text-mid);
      padding: 4px 10px;
      background: #F1F5F9;
      border-radius: 6px;
    }

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

    /* 统一规范底部 Footer */
    .site-footer {
      background: #0F172A;
      color: #94A3B8;
      padding: 60px 0 30px 0;
      border-top: 1px solid #1E293B;
    }

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

    .footer-col h5 {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 800;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }

    .footer-links-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list a {
      color: #94A3B8;
      font-size: 0.88rem;
    }

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

    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.85rem;
      color: #64748B;
    }

    .footer-bottom a {
      color: #94A3B8;
    }

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

    /* 悬浮客服面板与返回顶部 */
    .float-panel {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary);
      font-weight: 800;
      font-size: 1.1rem;
      transition: all 0.25s ease;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #FFFFFF;
      transform: scale(1.1);
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-grid,
      .platform-intro-grid,
      .case-media-grid,
      .form-section-card {
        grid-template-columns: 1fr;
      }
      .scenes-grid,
      .reviews-grid,
      .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-timeline-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metric-strip {
        grid-template-columns: repeat(2, 1fr);
        margin-top: 0;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links, .nav-actions .btn-outline {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .scenes-grid,
      .reviews-grid,
      .articles-grid,
      .steps-timeline-grid,
      .metric-strip,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-content h1 {
        font-size: 2rem;
      }
      .section-title {
        font-size: 1.8rem;
      }
      .rating-banner {
        flex-direction: column;
        text-align: center;
        gap: 20px;
      }
      .rating-left {
        flex-direction: column;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
      .form-section-card {
        padding: 24px;
      }
    }