/* ==================== 全局基础与薄荷清新变量 ==================== */
    :root {
      --primary: #0D9488;
      --primary-light: #14B8A6;
      --primary-soft: #CCFBF1;
      --primary-bg: #F0FDFA;
      --mint-accent: #10B981;
      --mint-glow: #6EE7B7;
      --text-main: #0F172A;
      --text-sub: #334155;
      --text-muted: #64748B;
      --bg-white: #FFFFFF;
      --bg-alt: #F8FAFC;
      --bg-mint-gradient: linear-gradient(135deg, #F0FDFA 0%, #ECFDF5 50%, #F8FAFC 100%);
      --card-shadow: 0 4px 20px -2px rgba(13, 148, 136, 0.08), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
      --card-shadow-hover: 0 12px 30px -4px rgba(13, 148, 136, 0.16), 0 4px 12px -2px rgba(0, 0, 0, 0.06);
      --border-color: #E2E8F0;
      --border-mint: #99F6E4;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-alt);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }

    ul, ol {
      list-style: none;
    }

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

    /* ==================== 统一居中容器 ==================== */
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .section-py {
      padding-top: 80px;
      padding-bottom: 80px;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      background-color: var(--primary-soft);
      color: var(--primary);
      font-size: 0.875rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      margin-bottom: 14px;
      border: 1px solid var(--border-mint);
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
      letter-spacing: -0.02em;
    }

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

    /* ==================== 顶部导航 ==================== */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

    .header-container {
      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-name-group {
      display: flex;
      flex-direction: column;
    }

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

    .brand-badge {
      font-size: 0.7rem;
      color: var(--text-muted);
      font-weight: 500;
    }

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

    .nav-links li a {
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-sub);
      border-radius: var(--radius-sm);
      display: inline-block;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: var(--primary-bg);
    }

    .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-full);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(13, 148, 136, 0.25);
    }

    .btn-primary:hover {
      background-color: var(--primary-light);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(13, 148, 136, 0.35);
      color: #FFFFFF;
    }

    .btn-outline {
      background-color: #FFFFFF;
      color: var(--primary);
      border-color: var(--border-mint);
    }

    .btn-outline:hover {
      background-color: var(--primary-bg);
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    .btn-mint-glow {
      background: linear-gradient(135deg, #10B981 0%, #0D9488 100%);
      color: #FFFFFF;
      box-shadow: 0 4px 18px rgba(16, 185, 129, 0.3);
    }

    .btn-mint-glow:hover {
      opacity: 0.95;
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
      color: #FFFFFF;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
      color: var(--text-main);
    }

    /* ==================== 首屏 Hero (严禁图片，纯CSS与高科技感) ==================== */
    .hero-section {
      background: var(--bg-mint-gradient);
      position: relative;
      padding-top: 80px;
      padding-bottom: 90px;
      border-bottom: 1px solid rgba(153, 246, 228, 0.5);
      overflow: hidden;
    }

    .hero-shape-1 {
      position: absolute;
      top: -80px;
      right: -80px;
      width: 420px;
      height: 420px;
      background: radial-gradient(circle, rgba(110, 231, 183, 0.3) 0%, rgba(240, 253, 250, 0) 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .hero-shape-2 {
      position: absolute;
      bottom: -60px;
      left: -60px;
      width: 360px;
      height: 360px;
      background: radial-gradient(circle, rgba(20, 184, 166, 0.2) 0%, rgba(240, 253, 250, 0) 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .hero-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #FFFFFF;
      border: 1px solid var(--border-mint);
      padding: 8px 20px;
      border-radius: var(--radius-full);
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 24px;
      box-shadow: 0 2px 10px rgba(13, 148, 136, 0.08);
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background-color: var(--mint-accent);
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }

    .hero-h1 {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.03em;
    }

    .hero-h1 span {
      color: var(--primary);
      background: linear-gradient(135deg, #0D9488 0%, #10B981 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.18rem;
      color: var(--text-sub);
      max-width: 840px;
      margin: 0 auto 36px auto;
      line-height: 1.8;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 50px;
    }

    .hero-highlight-btn {
      font-size: 1.1rem;
      padding: 14px 36px;
      font-weight: 700;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      width: 100%;
      max-width: 1060px;
    }

    .hero-stat-card {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(10px);
      border: 1px solid var(--border-mint);
      padding: 22px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
      text-align: center;
      transition: var(--transition);
    }

    .hero-stat-card:hover {
      transform: translateY(-4px);
      background: #FFFFFF;
      box-shadow: var(--card-shadow-hover);
    }

    .hero-stat-num {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
      font-family: inherit;
    }

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

    /* ==================== 平台介绍与核心优势 (关于我们) ==================== */
    .about-section {
      background-color: var(--bg-white);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .about-content h3 {
      font-size: 1.85rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 20px;
      line-height: 1.35;
    }

    .about-desc {
      font-size: 1rem;
      color: var(--text-sub);
      line-height: 1.8;
      margin-bottom: 28px;
    }

    .about-features-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 32px;
    }

    .about-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .about-icon-check {
      width: 20px;
      height: 20px;
      background-color: var(--primary-soft);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: bold;
      flex-shrink: 0;
      margin-top: 3px;
    }

    .about-feature-item strong {
      display: block;
      color: var(--text-main);
      font-size: 0.95rem;
      margin-bottom: 2px;
    }

    .about-feature-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .about-code-board {
      background: #0F172A;
      color: #E2E8F0;
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
      position: relative;
      border: 1px solid #1E293B;
    }

    .code-dots {
      display: flex;
      gap: 8px;
      margin-bottom: 20px;
    }

    .code-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
    }
    .code-dot.red { background: #EF4444; }
    .code-dot.yellow { background: #F59E0B; }
    .code-dot.green { background: #10B981; }

    .code-line {
      font-family: Consolas, Monaco, "Courier New", monospace;
      font-size: 0.9rem;
      line-height: 1.8;
    }
    .code-keyword { color: #38BDF8; }
    .code-prop { color: #34D399; }
    .code-str { color: #FCD34D; }
    .code-num { color: #F472B6; }

    /* ==================== AIGC 服务矩阵 ==================== */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .service-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .service-icon-box {
      width: 60px;
      height: 60px;
      background: var(--primary-soft);
      color: var(--primary);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 24px;
    }

    .service-card h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .service-tag-item {
      font-size: 0.78rem;
      padding: 4px 10px;
      background: var(--bg-alt);
      color: var(--primary);
      border-radius: var(--radius-sm);
      font-weight: 500;
      border: 1px solid var(--border-color);
    }

    /* ==================== 一站式 AIGC 创作工坊 ==================== */
    .creation-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .creation-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .creation-item:hover {
      border-color: var(--mint-accent);
      box-shadow: var(--card-shadow-hover);
      transform: translateY(-4px);
    }

    .creation-item-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }

    .creation-item-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .creation-badge-mini {
      font-size: 0.72rem;
      padding: 2px 8px;
      background: var(--primary-soft);
      color: var(--primary);
      border-radius: var(--radius-full);
      font-weight: 600;
    }

    .creation-item-desc {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* ==================== 支持模型生态墙 ==================== */
    .models-section {
      background: var(--bg-white);
    }

    .model-chips-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      max-width: 1100px;
      margin: 0 auto;
    }

    .model-chip {
      padding: 10px 20px;
      background: var(--bg-alt);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-full);
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-sub);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
    }

    .model-chip:hover {
      background: var(--primary-bg);
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
    }

    .model-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary);
    }

    /* ==================== 标准流程 (7步全自动工作流) ==================== */
    .process-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
    }

    .step-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
    }

    .step-num {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #FFFFFF;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      margin-bottom: 16px;
      box-shadow: 0 4px 10px rgba(13, 148, 136, 0.25);
    }

    .step-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ==================== 案例展示中心 ==================== */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .case-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-shadow-hover);
      border-color: var(--border-mint);
    }

    .case-img-wrap {
      width: 100%;
      background-color: var(--bg-alt);
      overflow: hidden;
    }

    .case-img-wrap img {
      width: 100%;
      height: auto;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.03);
    }

    .case-body {
      padding: 24px 24px 28px 24px;
    }

    .case-cat {
      font-size: 0.8rem;
      color: var(--primary);
      font-weight: 600;
      text-transform: uppercase;
      margin-bottom: 8px;
      display: block;
    }

    .case-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .case-body p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }

    .case-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
      font-size: 0.85rem;
      color: var(--text-sub);
      font-weight: 500;
    }

    /* ==================== 权威对比评测 (五星 9.9分) ==================== */
    .eval-box {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-mint);
      padding: 40px;
      box-shadow: var(--card-shadow);
    }

    .eval-score-header {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      background: var(--bg-mint-gradient);
      padding: 24px 30px;
      border-radius: var(--radius-md);
      margin-bottom: 32px;
      border: 1px solid var(--border-mint);
    }

    .eval-rating-left {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .eval-stars {
      color: #F59E0B;
      font-size: 1.5rem;
      letter-spacing: 2px;
    }

    .eval-score-text {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
    }

    .eval-score-max {
      font-size: 1.1rem;
      color: var(--text-muted);
      font-weight: normal;
    }

    .eval-table-wrap {
      width: 100%;
      overflow-x: auto;
    }

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

    .eval-table th, .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }

    .eval-table th {
      background-color: var(--bg-alt);
      color: var(--text-main);
      font-weight: 700;
    }

    .eval-table tr:hover td {
      background-color: var(--primary-bg);
    }

    .highlight-col {
      color: var(--primary);
      font-weight: 700;
      background: rgba(240, 253, 250, 0.5);
    }

    .status-check {
      color: var(--mint-accent);
      font-weight: 800;
    }

    /* ==================== Token比价与算力成本 ==================== */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .token-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }

    .token-card.popular {
      border: 2px solid var(--primary);
      box-shadow: var(--card-shadow-hover);
    }

    .token-badge {
      position: absolute;
      top: -14px;
      right: 24px;
      background: var(--primary);
      color: #FFFFFF;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 10px rgba(13, 148, 136, 0.3);
    }

    .token-card h3 {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 20px;
    }

    .token-price span {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: normal;
    }

    .token-features {
      margin-bottom: 30px;
      flex-grow: 1;
    }

    .token-features li {
      font-size: 0.9rem;
      color: var(--text-sub);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* ==================== 需求匹配与提交表单 ==================== */
    .match-form-wrap {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 48px;
      background: var(--bg-white);
      border: 1px solid var(--border-mint);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--card-shadow);
    }

    .match-info h3 {
      font-size: 1.85rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .match-info p {
      font-size: 0.95rem;
      color: var(--text-sub);
      line-height: 1.75;
      margin-bottom: 28px;
    }

    .contact-direct-items {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .contact-item-box {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 14px 18px;
      background: var(--bg-alt);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .contact-icon {
      width: 40px;
      height: 40px;
      background: var(--primary-soft);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .contact-item-text strong {
      display: block;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .contact-item-text span {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

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

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background-color: var(--bg-alt);
      color: var(--text-main);
      transition: var(--transition);
      font-family: inherit;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--primary);
      background-color: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
    }

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

    /* ==================== 常见问题 FAQ 折叠面板 ==================== */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
    }

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

    .faq-question {
      padding: 18px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-weight: 600;
      font-size: 1.05rem;
      color: var(--text-main);
      user-select: none;
    }

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

    .faq-icon {
      font-size: 1.2rem;
      transition: transform 0.3s ease;
      color: var(--primary);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      background: var(--bg-alt);
    }

    .faq-answer-inner {
      padding: 18px 24px;
      font-size: 0.95rem;
      color: var(--text-sub);
      line-height: 1.75;
      border-top: 1px solid var(--border-color);
    }

    /* ==================== 客户真实口碑 (6条完整评论) ==================== */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

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

    .review-stars {
      color: #F59E0B;
      font-size: 1rem;
      margin-bottom: 14px;
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-soft);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }

    .reviewer-info strong {
      display: block;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .reviewer-info span {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* ==================== 行业资讯与最新文章 ==================== */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .news-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .news-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
    }

    .news-date {
      font-size: 0.8rem;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .news-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .news-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .news-link {
      font-size: 0.88rem;
      color: var(--primary);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .news-link:hover {
      color: var(--primary-light);
    }

    /* ==================== 浮动客服挂件 ==================== */
    .float-service-panel {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--bg-white);
      color: var(--primary);
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border-mint);
      cursor: pointer;
      transition: var(--transition);
      position: relative;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #FFFFFF;
      transform: scale(1.08);
    }

    .float-qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #FFFFFF;
      padding: 16px;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
      border: 1px solid var(--border-mint);
      width: 170px;
      text-align: center;
      display: none;
    }

    .float-btn:hover .float-qr-popup {
      display: block;
    }

    .float-qr-popup span {
      display: block;
      font-size: 0.8rem;
      color: var(--text-sub);
      margin-top: 8px;
      font-weight: 600;
    }

    /* ==================== 统一优雅页脚 ==================== */
    .footer-section {
      background-color: #0F172A;
      color: #94A3B8;
      padding-top: 60px;
      padding-bottom: 30px;
      border-top: 3px solid var(--primary);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .footer-col p {
      font-size: 0.9rem;
      line-height: 1.7;
      margin-bottom: 14px;
    }

    .footer-links-list li {
      margin-bottom: 10px;
    }

    .footer-links-list li a {
      color: #94A3B8;
      font-size: 0.9rem;
    }

    .footer-links-list li a:hover {
      color: var(--mint-accent);
      padding-left: 4px;
    }

    .friend-links-box {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 10px;
    }

    .friend-links-box a {
      color: #CBD5E1;
      font-size: 0.85rem;
      background: #1E293B;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      border: 1px solid #334155;
    }

    .friend-links-box a:hover {
      color: var(--mint-accent);
      border-color: var(--primary);
    }

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

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

    .footer-bottom a:hover {
      color: var(--mint-accent);
    }

    /* ==================== 响应式设计 ==================== */
    @media (max-width: 1024px) {
      .hero-h1 { font-size: 2.3rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .services-grid, .reviews-grid, .news-grid, .token-grid { grid-template-columns: repeat(2, 1fr); }
      .creation-grid, .process-steps-grid { grid-template-columns: repeat(2, 1fr); }
      .about-grid, .match-form-wrap { grid-template-columns: 1fr; gap: 32px; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .header-container { height: 64px; }
      .nav-links {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
        display: none;
      }
      .nav-links.active { display: flex; }
      .nav-links li { width: 100%; }
      .nav-links li a { width: 100%; padding: 10px; }
      .mobile-menu-btn { display: block; }
      .hero-h1 { font-size: 1.85rem; }
      .section-title { font-size: 1.7rem; }
      .services-grid, .reviews-grid, .news-grid, .token-grid, .cases-grid, .creation-grid, .process-steps-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .match-form-wrap { padding: 24px; }
      .eval-box { padding: 20px; }
    }