/* CSS 全局变量：暗夜赛博高饱和粉紫风 */
    :root {
      --bg-main: #0a0612;
      --bg-card: rgba(22, 12, 36, 0.78);
      --bg-card-hover: rgba(36, 18, 60, 0.92);
      --bg-header: rgba(10, 6, 18, 0.88);
      --border-cyber: rgba(236, 72, 153, 0.28);
      --border-cyber-bright: #ec4899;
      --neon-pink: #ff2a85;
      --neon-purple: #a855f7;
      --neon-cyan: #00f0ff;
      --neon-amber: #f59e0b;
      --text-white: #ffffff;
      --text-bright: #f3e8ff;
      --text-muted: #c084fc;
      --text-desc: #d1d5db;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --container-max: 1240px;
    }

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

    html {
      scroll-behavior: smooth;
      background-color: var(--bg-main);
      color: var(--text-bright);
      font-family: var(--font-stack);
      line-height: 1.65;
    }

    body {
      background-color: var(--bg-main);
      background-image: 
        radial-gradient(circle at 15% 15%, rgba(168, 85, 247, 0.18) 0%, transparent 45%),
        radial-gradient(circle at 85% 35%, rgba(255, 42, 133, 0.16) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(0, 240, 255, 0.12) 0%, transparent 55%),
        linear-gradient(to bottom, #0a0612 0%, #110924 50%, #080410 100%);
      background-attachment: fixed;
      min-height: 100vh;
      overflow-x: hidden;
    }

    /* 容器基准 */
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: var(--bg-header);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-cyber);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 14px;
      text-decoration: none;
    }
    .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
      filter: drop-shadow(0 0 8px rgba(255, 42, 133, 0.6));
    }
    .brand-meta {
      display: flex;
      flex-direction: column;
    }
    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: 1px;
      color: #fff;
      text-shadow: 0 0 10px rgba(255, 42, 133, 0.8);
    }
    .brand-sub {
      font-size: 0.75rem;
      color: var(--neon-cyan);
      letter-spacing: 0.5px;
    }

    /* 规则严格约束：.nav-links 的 gap 属性设置为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }
    .nav-links li a {
      color: var(--text-bright);
      text-decoration: none;
      font-size: 0.92rem;
      font-weight: 500;
      padding: 10px 14px;
      display: inline-block;
      transition: all 0.25s ease;
      position: relative;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--neon-pink);
      text-shadow: 0 0 8px rgba(255, 42, 133, 0.8);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .btn-cyber-outline {
      border: 1px solid var(--neon-cyan);
      color: var(--neon-cyan);
      padding: 8px 18px;
      border-radius: 4px;
      text-decoration: none;
      font-size: 0.88rem;
      font-weight: 600;
      transition: all 0.3s ease;
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
    }
    .btn-cyber-outline:hover {
      background: rgba(0, 240, 255, 0.15);
      box-shadow: 0 0 16px rgba(0, 240, 255, 0.6);
      transform: translateY(-1px);
    }

    /* 移动端汉堡按钮 */
    .menu-toggle {
      display: none;
      background: transparent;
      border: 1px solid var(--border-cyber);
      color: var(--text-bright);
      font-size: 1.4rem;
      padding: 6px 12px;
      border-radius: 4px;
      cursor: pointer;
    }

    /* 首屏 HERO 区域 - 坚决无图片资源 */
    .hero-section {
      padding: 70px 0 60px;
      position: relative;
      text-align: center;
    }
    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(168, 85, 247, 0.15);
      border: 1px solid var(--neon-pink);
      padding: 6px 18px;
      border-radius: 50px;
      margin-bottom: 24px;
      box-shadow: 0 0 15px rgba(255, 42, 133, 0.3);
    }
    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background: var(--neon-pink);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--neon-pink);
      animation: pulse 2s infinite;
    }
    .hero-badge-text {
      font-size: 0.85rem;
      font-weight: 600;
      color: #fff;
      letter-spacing: 1px;
    }
    .hero-title {
      font-size: 2.8rem;
      line-height: 1.25;
      font-weight: 900;
      letter-spacing: 1.5px;
      color: #ffffff;
      margin-bottom: 20px;
      text-shadow: 0 0 25px rgba(236, 72, 153, 0.6), 0 0 50px rgba(168, 85, 247, 0.3);
    }
    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-desc);
      max-width: 840px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }
    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 18px;
      margin-bottom: 45px;
    }
    .btn-portal-primary {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: linear-gradient(135deg, #ff2a85 0%, #a855f7 100%);
      color: #ffffff;
      padding: 15px 34px;
      border-radius: 6px;
      font-size: 1.05rem;
      font-weight: 700;
      text-decoration: none;
      letter-spacing: 1px;
      box-shadow: 0 0 25px rgba(255, 42, 133, 0.6);
      transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
      border: 1px solid rgba(255, 255, 255, 0.4);
    }
    .btn-portal-primary:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 0 35px rgba(255, 42, 133, 0.9);
      color: #fff;
    }
    .btn-portal-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(22, 12, 36, 0.8);
      color: var(--text-bright);
      padding: 15px 28px;
      border-radius: 6px;
      font-size: 1rem;
      font-weight: 600;
      text-decoration: none;
      border: 1px solid var(--border-cyber);
      transition: all 0.3s ease;
    }
    .btn-portal-secondary:hover {
      border-color: var(--neon-cyan);
      color: var(--neon-cyan);
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
    }

    /* 纯CSS首屏视觉卡片矩阵 - 不引入任何img */
    .hero-features-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 10px;
    }
    .strip-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      padding: 18px 14px;
      border-radius: 8px;
      text-align: left;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    .strip-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple), var(--neon-cyan));
      opacity: 0;
      transition: opacity 0.3s;
    }
    .strip-card:hover {
      border-color: var(--neon-pink);
      transform: translateY(-4px);
      box-shadow: 0 10px 25px rgba(255, 42, 133, 0.2);
    }
    .strip-card:hover::before {
      opacity: 1;
    }
    .strip-card-tag {
      font-size: 0.72rem;
      color: var(--neon-cyan);
      letter-spacing: 0.5px;
      margin-bottom: 6px;
      font-family: monospace;
    }
    .strip-card-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
    }
    .strip-card-desc {
      font-size: 0.82rem;
      color: var(--text-desc);
      line-height: 1.45;
    }

    /* 通用区块头 */
    .section-wrap {
      padding: 65px 0;
      position: relative;
    }
    .section-head {
      text-align: center;
      margin-bottom: 45px;
    }
    .section-badge {
      display: inline-block;
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--neon-pink);
      background: rgba(255, 42, 133, 0.1);
      border: 1px solid rgba(255, 42, 133, 0.3);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
      text-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
    }
    .section-intro {
      font-size: 1rem;
      color: var(--text-desc);
      max-width: 760px;
      margin: 0 auto;
    }

    /* 数据指标网格 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }
    .metric-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      padding: 24px 20px;
      border-radius: 8px;
      text-align: center;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease;
    }
    .metric-card:hover {
      transform: translateY(-3px);
      border-color: var(--neon-cyan);
    }
    .metric-num {
      font-size: 2.3rem;
      font-weight: 900;
      color: #fff;
      margin-bottom: 4px;
      background: linear-gradient(135deg, #fff 20%, var(--neon-pink) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .metric-name {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--neon-cyan);
      margin-bottom: 6px;
    }
    .metric-sub {
      font-size: 0.78rem;
      color: var(--text-desc);
    }

    /* 关于我们与平台概览 */
    .about-split {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .about-content h3 {
      font-size: 1.65rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 18px;
    }
    .about-content p {
      color: var(--text-desc);
      margin-bottom: 16px;
      font-size: 0.96rem;
      text-align: justify;
    }
    .about-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }
    .about-tag-pill {
      background: rgba(168, 85, 247, 0.15);
      border: 1px solid rgba(168, 85, 247, 0.4);
      color: var(--text-bright);
      padding: 6px 14px;
      border-radius: 4px;
      font-size: 0.85rem;
    }
    .about-media-box {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      padding: 12px;
      border-radius: 12px;
      box-shadow: 0 0 30px rgba(236, 72, 153, 0.18);
    }
    .ai-page-image {
      width: 100%;
      height: auto;
      border-radius: 8px;
      display: block;
    }

    /* 模型矩阵徽章群 */
    .model-matrix-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 10px;
      padding: 28px;
      margin-top: 30px;
    }
    .matrix-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .model-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .model-chip {
      background: rgba(255, 42, 133, 0.08);
      border: 1px solid rgba(255, 42, 133, 0.22);
      color: #f3e8ff;
      padding: 5px 12px;
      border-radius: 4px;
      font-size: 0.82rem;
      font-family: monospace;
      transition: all 0.2s;
    }
    .model-chip:hover {
      background: rgba(255, 42, 133, 0.25);
      border-color: var(--neon-pink);
      transform: scale(1.05);
      color: #fff;
    }

    /* 一站式核心创作场景卡片群 */
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }
    .scenario-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 10px;
      padding: 24px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .scenario-card:hover {
      border-color: var(--neon-pink);
      transform: translateY(-4px);
      box-shadow: 0 10px 25px rgba(255, 42, 133, 0.22);
    }
    .sc-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 14px;
    }
    .sc-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #ffffff;
    }
    .sc-badge {
      font-size: 0.72rem;
      background: rgba(0, 240, 255, 0.12);
      color: var(--neon-cyan);
      border: 1px solid rgba(0, 240, 255, 0.3);
      padding: 2px 8px;
      border-radius: 4px;
    }
    .sc-desc {
      font-size: 0.88rem;
      color: var(--text-desc);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .sc-meta {
      font-size: 0.78rem;
      color: var(--neon-purple);
      border-top: 1px dashed rgba(236, 72, 153, 0.2);
      padding-top: 10px;
      margin-top: auto;
    }

    /* 素材案例展示区 (图文布局) */
    .showcase-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-top: 30px;
    }
    .showcase-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 10px;
      padding: 16px;
      transition: transform 0.3s ease;
    }
    .showcase-card:hover {
      transform: translateY(-3px);
      border-color: var(--neon-cyan);
    }
    .showcase-media {
      width: 100%;
      border-radius: 6px;
      overflow: hidden;
      margin-bottom: 14px;
      background: #000;
    }
    .showcase-media img {
      width: 100%;
      height: auto;
      max-height: 320px;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }
    .showcase-card:hover .showcase-media img {
      transform: scale(1.03);
    }
    .showcase-info h4 {
      font-size: 1.1rem;
      color: #fff;
      margin-bottom: 8px;
    }
    .showcase-info p {
      font-size: 0.86rem;
      color: var(--text-desc);
      line-height: 1.55;
    }

    /* 标准制作流程 4 步 */
    .steps-flow {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-item {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 8px;
      padding: 26px 18px;
      position: relative;
    }
    .step-num {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--neon-pink);
      font-family: monospace;
      margin-bottom: 8px;
    }
    .step-name {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.82rem;
      color: var(--text-desc);
      line-height: 1.5;
    }

    /* 对比评测 - 必须呈现 9.9分 与 五星 */
    .benchmark-box {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber-bright);
      border-radius: 12px;
      padding: 36px;
      box-shadow: 0 0 35px rgba(255, 42, 133, 0.2);
    }
    .eval-highlight {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      padding-bottom: 24px;
      border-bottom: 1px solid rgba(236, 72, 153, 0.25);
      margin-bottom: 24px;
    }
    .eval-title-block h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 6px;
    }
    .eval-stars {
      color: var(--neon-amber);
      font-size: 1.3rem;
      letter-spacing: 2px;
    }
    .eval-score-block {
      display: flex;
      align-items: baseline;
      gap: 8px;
      background: rgba(255, 42, 133, 0.15);
      padding: 12px 24px;
      border-radius: 8px;
      border: 1px solid var(--neon-pink);
    }
    .score-big {
      font-size: 2.6rem;
      font-weight: 900;
      color: #fff;
      text-shadow: 0 0 15px var(--neon-pink);
    }
    .score-full {
      font-size: 1rem;
      color: var(--neon-cyan);
    }

    .benchmark-table-wrap {
      overflow-x: auto;
    }
    .benchmark-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.88rem;
    }
    .benchmark-table th, 
    .benchmark-table td {
      padding: 14px 16px;
      border-bottom: 1px solid rgba(236, 72, 153, 0.15);
    }
    .benchmark-table th {
      background: rgba(168, 85, 247, 0.15);
      color: var(--neon-cyan);
      font-weight: 700;
      white-space: nowrap;
    }
    .benchmark-table td {
      color: var(--text-bright);
    }
    .benchmark-table tr:hover td {
      background: rgba(255, 42, 133, 0.05);
    }
    .highlight-col {
      color: var(--neon-pink) !important;
      font-weight: 700;
      background: rgba(255, 42, 133, 0.06);
    }

    /* 需求匹配与在线表单 */
    .form-split {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      align-items: start;
    }
    .form-info-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      padding: 30px;
      border-radius: 10px;
    }
    .form-info-panel h3 {
      font-size: 1.4rem;
      color: #fff;
      margin-bottom: 14px;
    }
    .form-info-panel p {
      font-size: 0.9rem;
      color: var(--text-desc);
      line-height: 1.6;
      margin-bottom: 20px;
    }
    .form-perks {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .form-perks li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.88rem;
      color: var(--text-bright);
    }
    .form-perks li::before {
      content: "✓";
      color: var(--neon-cyan);
      font-weight: bold;
    }

    .form-box {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber-bright);
      padding: 32px;
      border-radius: 10px;
      box-shadow: 0 0 25px rgba(236, 72, 153, 0.15);
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-bright);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      background: rgba(10, 6, 18, 0.8);
      border: 1px solid var(--border-cyber);
      padding: 12px 14px;
      border-radius: 6px;
      color: #fff;
      font-size: 0.9rem;
      font-family: inherit;
      outline: none;
      transition: all 0.25s ease;
    }
    .form-control:focus {
      border-color: var(--neon-pink);
      box-shadow: 0 0 10px rgba(255, 42, 133, 0.4);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }
    .btn-submit-form {
      width: 100%;
      background: linear-gradient(135deg, #ff2a85 0%, #a855f7 100%);
      color: #fff;
      border: none;
      padding: 14px;
      border-radius: 6px;
      font-size: 1rem;
      font-weight: 700;
      letter-spacing: 1px;
      cursor: pointer;
      transition: all 0.3s;
      box-shadow: 0 0 20px rgba(255, 42, 133, 0.5);
    }
    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(255, 42, 133, 0.8);
    }

    /* 6条用户评价卡片 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .review-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      padding: 22px;
      border-radius: 8px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s;
    }
    .review-card:hover {
      border-color: var(--neon-purple);
      transform: translateY(-3px);
    }
    .review-user-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }
    .user-avatar-badge {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-pink), var(--neon-cyan));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: bold;
      font-size: 0.95rem;
    }
    .user-meta-info h5 {
      font-size: 0.95rem;
      color: #fff;
    }
    .user-meta-info span {
      font-size: 0.76rem;
      color: var(--neon-cyan);
    }
    .review-body {
      font-size: 0.85rem;
      color: var(--text-desc);
      line-height: 1.55;
    }
    .review-rating {
      color: var(--neon-amber);
      font-size: 0.85rem;
      margin-top: 10px;
    }

    /* 常见问题 (FAQ) 10+ 条展开 */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      max-width: 960px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 6px;
      overflow: hidden;
      transition: all 0.25s ease;
    }
    .faq-item:hover {
      border-color: rgba(255, 42, 133, 0.5);
    }
    .faq-question {
      padding: 16px 20px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-weight: 600;
      color: #fff;
      font-size: 0.96rem;
      user-select: none;
    }
    .faq-icon {
      color: var(--neon-pink);
      font-weight: bold;
      font-size: 1.1rem;
      transition: transform 0.3s;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      color: var(--text-desc);
      font-size: 0.88rem;
      line-height: 1.6;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: rgba(10, 6, 18, 0.5);
    }
    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 14px 20px 18px;
      border-top: 1px solid rgba(236, 72, 153, 0.15);
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* 最新文章与资讯 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 20px;
    }
    .article-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      padding: 20px;
      border-radius: 8px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s ease;
    }
    .article-card:hover {
      border-color: var(--neon-cyan);
      transform: translateY(-3px);
    }
    .art-title {
      font-size: 1rem;
      color: #fff;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .art-desc {
      font-size: 0.82rem;
      color: var(--text-desc);
      line-height: 1.5;
      margin-bottom: 14px;
    }
    .art-link {
      color: var(--neon-pink);
      text-decoration: none;
      font-size: 0.82rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .art-link:hover {
      text-decoration: underline;
    }
    .raw-post-hook {
      background: rgba(168, 85, 247, 0.1);
      border: 1px dashed rgba(168, 85, 247, 0.3);
      padding: 12px 18px;
      border-radius: 6px;
      font-size: 0.82rem;
      color: var(--text-bright);
      margin-top: 10px;
    }

    /* 联系我们与二维码 */
    .contact-layout {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .contact-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      padding: 26px;
      border-radius: 10px;
      text-align: center;
    }
    .contact-card h4 {
      font-size: 1.15rem;
      color: #fff;
      margin-bottom: 12px;
    }
    .contact-card p {
      font-size: 0.88rem;
      color: var(--text-desc);
      margin-bottom: 6px;
    }
    .qr-container {
      margin: 16px auto;
      width: 140px;
      height: 140px;
      padding: 6px;
      background: #fff;
      border-radius: 8px;
      box-shadow: 0 0 20px rgba(255, 42, 133, 0.4);
    }
    .qr-container img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }

    /* 底部通用 Footer */
    footer.site-footer {
      background: #06030c;
      border-top: 1px solid var(--border-cyber);
      padding: 45px 0 25px;
      color: #9ca3af;
      font-size: 0.85rem;
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1.5fr;
      gap: 30px;
      padding-bottom: 30px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      margin-bottom: 25px;
    }
    .footer-col h5 {
      font-size: 0.95rem;
      color: #fff;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .footer-links-list {
      list-style: none;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .footer-links-list a {
      color: #d1d5db;
      text-decoration: none;
      transition: color 0.2s;
    }
    .footer-links-list a:hover {
      color: var(--neon-pink);
    }
    .friend-links-box a {
      display: inline-block;
      color: #cbd5e1;
      text-decoration: none;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 4px 10px;
      border-radius: 4px;
      margin: 0 6px 6px 0;
      font-size: 0.78rem;
      transition: all 0.2s;
    }
    .friend-links-box a:hover {
      color: #fff;
      border-color: var(--neon-pink);
      background: rgba(255, 42, 133, 0.15);
    }
    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 15px;
    }

    /* 浮动工具栏 */
    .floating-toolbar {
      position: fixed;
      right: 20px;
      bottom: 25px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: rgba(22, 12, 36, 0.9);
      border: 1px solid var(--neon-pink);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      font-size: 0.85rem;
      font-weight: bold;
      box-shadow: 0 0 15px rgba(255, 42, 133, 0.4);
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .float-btn:hover {
      background: var(--neon-pink);
      transform: scale(1.1);
      box-shadow: 0 0 20px var(--neon-pink);
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }

    /* 响应式断点控制 */
    @media (max-width: 992px) {
      .hero-features-strip,
      .metrics-grid,
      .steps-flow {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenarios-grid,
      .reviews-grid,
      .articles-grid,
      .contact-layout {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-split,
      .form-split {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: rgba(10, 6, 18, 0.98);
        border-bottom: 1px solid var(--border-cyber);
        flex-direction: column;
        align-items: stretch;
        padding: 15px 20px;
        gap: 0;
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li a {
        padding: 12px 0;
        border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
      }
      .hero-title {
        font-size: 1.95rem;
      }
      .hero-features-strip,
      .metrics-grid,
      .scenarios-grid,
      .showcase-grid,
      .steps-flow,
      .reviews-grid,
      .articles-grid,
      .contact-layout {
        grid-template-columns: 1fr;
      }
      .eval-highlight {
        flex-direction: column;
        align-items: flex-start;
      }
    }