:root {
      --primary: #0062ff;
      --primary-hover: #0050d4;
      --accent: #00d084;
      --text-main: #141a29;
      --text-muted: #586574;
      --text-light: #7b8898;
      --bg-page: #f6f8fc;
      --bg-surface: #ffffff;
      --border-color: #e4e9f2;
      --border-light: #f0f3f8;
      --shadow-sm: 0 4px 12px rgba(18, 38, 77, 0.04);
      --shadow-md: 0 10px 30px rgba(18, 38, 77, 0.08);
      --shadow-lg: 0 18px 45px rgba(0, 98, 255, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-width: 1200px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      position: relative;
      overflow-x: hidden;
      min-width: 320px;
    }

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

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

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

    /* 顶部导航 */
    .header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }

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

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

    .ai-page-logo {
      height: 38px;
      width: auto;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

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

    .nav-links a {
      display: block;
      padding: 8px 12px;
      font-size: 0.93rem;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
      background-color: rgba(0, 98, 255, 0.05);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      text-align: center;
      line-height: 1.2;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #ffffff;
      box-shadow: 0 6px 18px rgba(0, 98, 255, 0.24);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 8px 24px rgba(0, 98, 255, 0.35);
      transform: translateY(-1px);
    }

    .btn-secondary {
      background-color: #ffffff;
      color: var(--primary);
      border-color: rgba(0, 98, 255, 0.25);
    }

    .btn-secondary:hover {
      background-color: rgba(0, 98, 255, 0.04);
      border-color: var(--primary);
      transform: translateY(-1px);
    }

    .btn-success {
      background-color: #059669;
      color: #ffffff;
    }

    .btn-success:hover {
      background-color: #047857;
      transform: translateY(-1px);
    }

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

    /* Section 通用规范 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

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

    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 52px auto;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary);
      background-color: rgba(0, 98, 255, 0.08);
      border-radius: 30px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

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

    /* 首屏 Hero (禁止出现图片) */
    .hero-section {
      padding: 85px 0 70px 0;
      background: radial-gradient(100% 80% at 50% 0%, #eaf2ff 0%, #f6f8fc 100%);
      position: relative;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-container {
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 6px 18px;
      background: #ffffff;
      border: 1px solid rgba(0, 98, 255, 0.18);
      border-radius: 50px;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--accent);
      display: inline-block;
      box-shadow: 0 0 0 3px rgba(0, 208, 132, 0.2);
    }

    .badge-text {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title span {
      color: var(--primary);
    }

    .hero-lead {
      max-width: 840px;
      margin: 0 auto 36px auto;
      font-size: 1.12rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

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

    .hero-actions .btn {
      min-width: 168px;
      padding: 14px 28px;
      font-size: 1rem;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      max-width: 1020px;
      margin: 0 auto;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

    .stat-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: rgba(0, 98, 255, 0.3);
    }

    .stat-number {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
      font-family: inherit;
    }

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

    /* 平台支持模型跑马灯/标签墙 */
    .model-ticker-wrap {
      margin-top: 40px;
      padding-top: 30px;
      border-top: 1px dashed var(--border-color);
    }

    .ticker-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .model-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
      max-width: 1080px;
      margin: 0 auto;
    }

    .model-tag {
      font-size: 0.78rem;
      padding: 4px 10px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      color: var(--text-muted);
      border-radius: 6px;
      font-weight: 500;
      transition: all 0.2s ease;
    }

    .model-tag:hover {
      color: var(--primary);
      border-color: var(--primary);
      background-color: rgba(0, 98, 255, 0.03);
    }

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

    .intro-text-block h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .intro-text-block p {
      font-size: 0.98rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.7;
    }

    .intro-features-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 30px;
    }

    .intro-features-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.94rem;
      color: var(--text-main);
      font-weight: 600;
    }

    .intro-features-list li::before {
      content: "✓";
      color: #059669;
      font-weight: 900;
      background: rgba(5, 150, 105, 0.1);
      width: 22px;
      height: 22px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      flex-shrink: 0;
      font-size: 0.8rem;
      margin-top: 2px;
    }

    .intro-visual-panel {
      background: linear-gradient(145deg, #ffffff 0%, #f0f4fc 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .panel-header-badge {
      display: inline-block;
      padding: 4px 12px;
      font-size: 0.78rem;
      font-weight: 700;
      color: #ffffff;
      background: var(--primary);
      border-radius: 4px;
      margin-bottom: 16px;
    }

    .panel-stack-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .panel-stack-item {
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-light);
    }

    .panel-stack-item h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .panel-stack-item p {
      font-size: 0.82rem;
      color: var(--text-light);
      line-height: 1.4;
      margin: 0;
    }

    /* 一站式制作场景网格 */
    .service-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .card-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .card-item:hover {
      border-color: rgba(0, 98, 255, 0.4);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .card-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(0, 98, 255, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      margin-bottom: 18px;
    }

    .card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .card-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 16px;
    }

    .card-tags {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }

    .card-tag {
      font-size: 0.75rem;
      padding: 3px 8px;
      background: #f1f4fa;
      color: var(--text-muted);
      border-radius: 4px;
      font-weight: 500;
    }

    /* 行业方案展示 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .industry-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      gap: 20px;
      box-shadow: var(--shadow-sm);
    }

    .ind-badge {
      width: 50px;
      height: 50px;
      border-radius: 12px;
      background: linear-gradient(135deg, #0062ff, #00d084);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.2rem;
      flex-shrink: 0;
    }

    .ind-info h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .ind-info p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 12px;
    }

    .ind-meta {
      font-size: 0.82rem;
      color: var(--primary);
      font-weight: 600;
    }

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

    .step-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      position: relative;
    }

    .step-number {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary);
      color: #ffffff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.9rem;
      margin-bottom: 14px;
    }

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

    .step-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 素材展示与案例中心 */
    .media-gallery-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-bottom: 30px;
    }

    .media-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .media-frame {
      width: 100%;
      background-color: #e9eef5;
      overflow: hidden;
    }

    .media-frame img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .media-card:hover .media-frame img {
      transform: scale(1.03);
    }

    .media-caption {
      padding: 18px;
    }

    .media-caption h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .media-caption p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .banner-strip-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .banner-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
    }

    .banner-item img {
      width: 100%;
      height: 140px;
      object-fit: cover;
    }

    /* 对比评测板块（重点要求） */
    .review-score-hero {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      margin-bottom: 36px;
      box-shadow: var(--shadow-md);
    }

    .score-summary-left {
      max-width: 600px;
    }

    .score-stars {
      color: #f59e0b;
      font-size: 1.4rem;
      margin-bottom: 8px;
      letter-spacing: 2px;
    }

    .score-summary-left h3 {
      font-size: 1.7rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: #ffffff;
    }

    .score-summary-left p {
      font-size: 0.95rem;
      color: #94a3b8;
      line-height: 1.6;
    }

    .score-figure-badge {
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-md);
      padding: 16px 32px;
      text-align: center;
    }

    .score-big {
      font-size: 3.6rem;
      font-weight: 900;
      color: #38bdf8;
      line-height: 1;
      font-family: inherit;
    }

    .score-max {
      font-size: 0.95rem;
      color: #cbd5e1;
      font-weight: 600;
      margin-top: 4px;
    }

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

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 720px;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }

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

    .compare-table tr:last-child td {
      border-bottom: none;
    }

    .compare-table .highlight-col {
      background-color: rgba(0, 98, 255, 0.03);
      font-weight: 600;
      color: var(--primary);
    }

    .badge-check {
      color: #059669;
      font-weight: bold;
    }

    .badge-cross {
      color: #dc2626;
    }

    /* Token 比价与代理专区 */
    .token-pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .price-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .price-card.featured {
      border: 2px solid var(--primary);
      transform: scale(1.02);
      box-shadow: var(--shadow-lg);
    }

    .featured-ribbon {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--primary);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: 20px;
    }

    .price-name {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .price-desc {
      font-size: 0.85rem;
      color: var(--text-light);
      margin-bottom: 20px;
    }

    .price-rate {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1;
      margin-bottom: 6px;
    }

    .price-sub {
      font-size: 0.82rem;
      color: #059669;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .price-features {
      list-style: none;
      margin-bottom: 28px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .price-features li {
      font-size: 0.88rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .price-features li::before {
      content: "•";
      color: var(--primary);
      font-weight: bold;
      font-size: 1.2rem;
    }

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

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

    .review-stars {
      color: #f59e0b;
      font-size: 0.95rem;
      margin-bottom: 12px;
    }

    .review-quote {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 14px;
      border-top: 1px solid var(--border-light);
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #e2e8f0;
      color: var(--primary);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .author-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    /* FAQ 折叠面板 (不少于10条) */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

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

    .faq-question {
      padding: 18px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      user-select: none;
    }

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

    .faq-toggle-icon {
      font-size: 1.2rem;
      font-weight: 400;
      color: var(--text-light);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
      background-color: #fafbfd;
    }

    .faq-item.active .faq-answer {
      max-height: 500px;
      padding: 16px 22px 20px 22px;
      border-top: 1px solid var(--border-light);
    }

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

    /* 文章与资讯板块 */
    .article-section-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .article-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
    }

    .article-card-box h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      border-bottom: 2px solid var(--primary);
      padding-bottom: 8px;
      display: inline-block;
    }

    .article-link-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-link-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: #f8fafc;
      border-radius: 6px;
      font-size: 0.92rem;
      color: var(--text-main);
      border: 1px solid transparent;
    }

    .article-link-list li a:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #ffffff;
      transform: translateX(4px);
    }

    .article-raw-embed {
      margin-top: 16px;
      padding: 14px;
      background: #f1f5f9;
      border-radius: 8px;
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 需求匹配与表单板块 */
    .form-wrapper-box {
      max-width: 800px;
      margin: 0 auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .form-group.full-width {
      grid-column: span 2;
    }

    .form-group label {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      color: var(--text-main);
      background-color: #ffffff;
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 98, 255, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* 联系我们与二维码 */
    .contact-box-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .contact-item-row {
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }

    .contact-icon-bubble {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: rgba(0, 98, 255, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .contact-content-text h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 2px;
    }

    .contact-content-text p {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin: 0;
    }

    .qr-card-center {
      text-align: center;
      background: #f8fafc;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .qr-frame {
      width: 150px;
      height: 150px;
      background: #ffffff;
      padding: 6px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 12px;
    }

    .qr-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .qr-tip {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-main);
    }

    /* 友情链接与页脚 */
    .footer {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 30px 0;
      color: var(--text-muted);
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid var(--border-light);
    }

    .footer-col h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .footer-col p {
      font-size: 0.88rem;
      line-height: 1.6;
      color: var(--text-muted);
    }

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

    .friend-links-wrap a {
      font-size: 0.88rem;
      color: var(--text-muted);
      background: #f1f5f9;
      padding: 4px 10px;
      border-radius: 4px;
    }

    .friend-links-wrap a:hover {
      color: var(--primary);
      background: rgba(0, 98, 255, 0.08);
    }

    .footer-bottom {
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* 浮动操作条与客服 */
    .floating-tools {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--text-main);
      font-size: 1.2rem;
      transition: all 0.25s ease;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    /* 响应式断点控制 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .service-cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .token-pricing-grid {
        grid-template-columns: 1fr;
      }
      .price-card.featured {
        transform: none;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .intro-grid {
        grid-template-columns: 1fr;
      }
      .article-section-grid {
        grid-template-columns: 1fr;
      }
      .banner-strip-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        display: none;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links a {
        width: 100%;
        padding: 12px 14px;
      }
      .hero-title {
        font-size: 1.8rem;
      }
      .service-cards-grid {
        grid-template-columns: 1fr;
      }
      .industry-grid {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .media-gallery-grid {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width {
        grid-column: span 1;
      }
      .contact-box-grid {
        grid-template-columns: 1fr;
      }
      .score-figure-badge {
        width: 100%;
      }
    }