:root {
      --mint-50: #f0fdf4;
      --mint-100: #dcfce7;
      --mint-200: #bbf7d0;
      --mint-300: #86efac;
      --mint-400: #4ade80;
      --mint-500: #10b981;
      --mint-600: #059669;
      --mint-700: #047857;
      --mint-800: #065f46;
      --mint-900: #064e3b;
      --slate-900: #0f172a;
      --slate-800: #1e293b;
      --slate-700: #334155;
      --slate-600: #475569;
      --slate-500: #64748b;
      --slate-400: #94a3b8;
      --slate-200: #e2e8f0;
      --slate-100: #f1f5f9;
      --slate-50: #f8fafc;
      --white: #ffffff;
      --container-max: 1200px;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 4px 20px -2px rgba(5, 150, 105, 0.08), 0 2px 6px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 10px 30px -5px rgba(5, 150, 105, 0.12), 0 6px 12px rgba(15, 23, 42, 0.05);
      --transition: all 0.28s ease;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      background-color: #f6fbf8;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--slate-800);
      background: linear-gradient(180deg, #f0fdf7 0%, #f7fdfa 1000px, #ffffff 100%);
      line-height: 1.65;
      min-width: 320px;
      -webkit-font-smoothing: antialiased;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      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);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(16, 185, 129, 0.15);
      box-shadow: 0 2px 10px rgba(6, 78, 59, 0.03);
    }

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

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

    .brand-logo-wrap {
      width: 42px;
      height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      overflow: hidden;
      background: var(--mint-50);
      border: 1px solid var(--mint-200);
    }

    .ai-page-logo {
      max-width: 100%;
      height: auto;
      object-fit: contain;
    }

    .brand-meta {
      display: flex;
      flex-direction: column;
    }

    .brand-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--mint-900);
      line-height: 1.2;
      letter-spacing: -0.2px;
    }

    .brand-subtitle {
      font-size: 0.75rem;
      color: var(--mint-600);
      font-weight: 500;
    }

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

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--slate-700);
      padding: 8px 14px;
      border-radius: 6px;
    }

    .nav-links li a:hover {
      color: var(--mint-700);
      background-color: var(--mint-50);
    }

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

    .btn-nav-primary {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 9px 18px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--white);
      background: linear-gradient(135deg, var(--mint-500) 0%, var(--mint-700) 100%);
      border-radius: 30px;
      box-shadow: 0 3px 12px rgba(16, 185, 129, 0.3);
    }

    .btn-nav-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 5px 16px rgba(16, 185, 129, 0.4);
      color: var(--white);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--mint-200);
      padding: 8px 10px;
      border-radius: var(--radius-sm);
      color: var(--mint-900);
      cursor: pointer;
    }

    /* 区域通用样式 */
    .section-spacing {
      padding-top: 80px;
      padding-bottom: 80px;
      position: relative;
    }

    .section-alt {
      background: linear-gradient(180deg, #f4fbf7 0%, #edf9f3 100%);
      border-top: 1px solid rgba(16, 185, 129, 0.1);
      border-bottom: 1px solid rgba(16, 185, 129, 0.1);
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 52px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--mint-700);
      background-color: var(--mint-100);
      border: 1px solid var(--mint-200);
      padding: 4px 14px;
      border-radius: 30px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--slate-900);
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--slate-600);
      line-height: 1.6;
    }

    /* 首屏 Hero 区域 (无图片) */
    .hero-section {
      padding-top: 70px;
      padding-bottom: 80px;
      background: radial-gradient(circle at 50% 10%, #d1fae5 0%, #ecfdf5 45%, #f6fbf8 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid rgba(16, 185, 129, 0.15);
    }

    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }

    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid var(--mint-300);
      padding: 6px 16px;
      border-radius: 40px;
      margin-bottom: 24px;
      box-shadow: 0 2px 10px rgba(5, 150, 105, 0.08);
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--mint-500);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
    }

    .hero-badge-text {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--mint-900);
    }

    .hero-title {
      font-size: 2.7rem;
      font-weight: 800;
      color: var(--slate-900);
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -1px;
    }

    .hero-title .highlight {
      color: var(--mint-700);
      position: relative;
      display: inline-block;
    }

    .hero-title .highlight::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 4px;
      width: 100%;
      height: 10px;
      background-color: rgba(110, 231, 183, 0.35);
      z-index: -1;
      border-radius: 4px;
    }

    .hero-sub {
      font-size: 1.15rem;
      color: var(--slate-600);
      max-width: 820px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

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

    .btn-hero-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--white);
      background: linear-gradient(135deg, var(--mint-600) 0%, #047857 100%);
      border-radius: 40px;
      box-shadow: 0 6px 20px rgba(5, 150, 105, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .btn-hero-main:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 26px rgba(5, 150, 105, 0.45);
      color: var(--white);
    }

    .btn-hero-sub {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 28px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--mint-900);
      background-color: rgba(255, 255, 255, 0.95);
      border: 1px solid var(--mint-300);
      border-radius: 40px;
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-sub:hover {
      background-color: var(--mint-50);
      border-color: var(--mint-500);
    }

    .hero-feature-pills {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 12px;
      padding-top: 10px;
    }

    .feature-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid var(--mint-200);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--slate-700);
      box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02);
    }

    .feature-pill span.icon {
      color: var(--mint-600);
      font-size: 1rem;
    }

    /* 平台核心数据条 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 48px;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.95);
      border: 1px solid var(--mint-200);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .stat-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--mint-700);
      line-height: 1.1;
      margin-bottom: 6px;
      font-feature-settings: "tnum";
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--slate-600);
      font-weight: 500;
    }

    /* 多模型生态徽章区 */
    .model-tags-container {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .model-tag {
      background: var(--white);
      border: 1px solid var(--mint-200);
      color: var(--slate-800);
      padding: 8px 16px;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
      transition: var(--transition);
    }

    .model-tag:hover {
      border-color: var(--mint-500);
      background-color: var(--mint-50);
      transform: translateY(-2px);
      color: var(--mint-900);
    }

    /* 平台介绍板块 */
    .about-box-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

    .about-text-wrap {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .about-lead {
      font-size: 1.12rem;
      font-weight: 600;
      color: var(--mint-900);
      line-height: 1.7;
    }

    .about-desc {
      font-size: 0.98rem;
      color: var(--slate-600);
      line-height: 1.75;
    }

    .about-feature-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 10px;
    }

    .about-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--slate-800);
    }

    .about-feature-item svg {
      flex-shrink: 0;
      width: 18px;
      height: 18px;
      color: var(--mint-600);
      margin-top: 3px;
    }

    .about-image-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      padding: 14px;
      border: 1px solid var(--mint-200);
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .about-image-card img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-md);
      display: block;
      object-fit: cover;
    }

    /* 卡片通用网格 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    /* 服务场景卡片 */
    .service-card {
      background: var(--white);
      border: 1px solid var(--mint-200);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
      box-shadow: var(--shadow-sm);
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: var(--mint-400);
    }

    .service-card-icon {
      width: 46px;
      height: 46px;
      border-radius: var(--radius-sm);
      background: var(--mint-100);
      color: var(--mint-700);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      font-size: 1.25rem;
      font-weight: bold;
    }

    .service-card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--slate-900);
      margin-bottom: 10px;
      line-height: 1.35;
    }

    .service-card-desc {
      font-size: 0.92rem;
      color: var(--slate-600);
      line-height: 1.65;
      flex-grow: 1;
    }

    .service-card-tag {
      margin-top: 16px;
      display: inline-block;
      font-size: 0.78rem;
      font-weight: 600;
      color: var(--mint-700);
      background-color: var(--mint-50);
      padding: 3px 10px;
      border-radius: 20px;
      width: fit-content;
      border: 1px solid var(--mint-200);
    }

    /* 一站式创作特色展示 */
    .highlight-card {
      background: linear-gradient(135deg, #ffffff 0%, #f4fdf8 100%);
      border: 1px solid var(--mint-300);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .highlight-card h3 {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--mint-900);
      margin-bottom: 12px;
    }

    .highlight-card p {
      font-size: 0.96rem;
      color: var(--slate-600);
      line-height: 1.7;
      margin-bottom: 20px;
    }

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

    .process-step {
      background: var(--white);
      border: 1px solid var(--mint-200);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--mint-300);
      line-height: 1;
      margin-bottom: 12px;
    }

    .step-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--slate-900);
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.88rem;
      color: var(--slate-600);
      line-height: 1.6;
    }

    /* 案例中心 */
    .case-card {
      background: var(--white);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--mint-200);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .case-media {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: var(--mint-50);
    }

    .case-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-media img {
      transform: scale(1.05);
    }

    .case-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .case-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--slate-900);
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 0.88rem;
      color: var(--slate-600);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 对比评测表格与卡片 */
    .eval-overview-box {
      background: linear-gradient(135deg, #064e3b 0%, #047857 100%);
      color: var(--white);
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 36px;
      box-shadow: 0 12px 30px rgba(4, 120, 87, 0.25);
    }

    .eval-score-wrap {
      display: flex;
      align-items: baseline;
      gap: 12px;
    }

    .eval-score-num {
      font-size: 3.8rem;
      font-weight: 900;
      line-height: 1;
      color: #6ee7b7;
    }

    .eval-stars {
      color: #fbbf24;
      font-size: 1.4rem;
      margin-bottom: 6px;
    }

    .eval-table-container {
      background: var(--white);
      border-radius: var(--radius-md);
      border: 1px solid var(--mint-200);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .eval-table th {
      background-color: var(--mint-50);
      color: var(--slate-900);
      padding: 16px 20px;
      font-size: 0.95rem;
      font-weight: 700;
      border-bottom: 2px solid var(--mint-200);
    }

    .eval-table td {
      padding: 16px 20px;
      font-size: 0.92rem;
      color: var(--slate-700);
      border-bottom: 1px solid var(--slate-100);
    }

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

    .eval-badge-win {
      display: inline-block;
      background: var(--mint-100);
      color: var(--mint-800);
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 14px;
      font-size: 0.84rem;
    }

    /* Token比价与价格参考 */
    .token-price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .price-card {
      background: var(--white);
      border: 1px solid var(--mint-200);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      text-align: center;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .price-card.featured {
      border: 2px solid var(--mint-500);
      background: linear-gradient(180deg, #ffffff 0%, #f0fdf7 100%);
      transform: scale(1.03);
      box-shadow: var(--shadow-lg);
    }

    .price-header-tag {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--mint-700);
      background: var(--mint-100);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 16px;
    }

    .price-title {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--slate-900);
      margin-bottom: 12px;
    }

    .price-cost {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--mint-700);
      margin-bottom: 6px;
    }

    .price-cost span {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--slate-500);
    }

    .price-features {
      list-style: none;
      margin: 24px 0;
      text-align: left;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .price-features li {
      font-size: 0.9rem;
      color: var(--slate-700);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .price-features li::before {
      content: "✓";
      color: var(--mint-600);
      font-weight: bold;
    }

    /* 需求匹配与表单 */
    .form-wrapper-box {
      background: var(--white);
      border: 1px solid var(--mint-200);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      max-width: 800px;
      margin: 0 auto;
    }

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

    .form-group-full {
      grid-column: 1 / -1;
    }

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--slate-800);
      margin-bottom: 6px;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      color: var(--slate-800);
      background: #fafdfc;
      border: 1px solid var(--mint-200);
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--mint-500);
      background: var(--white);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
    }

    .form-textarea {
      resize: vertical;
      min-height: 110px;
    }

    .btn-form-submit {
      width: 100%;
      padding: 14px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--white);
      background: linear-gradient(135deg, var(--mint-600) 0%, var(--mint-800) 100%);
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 4px 15px rgba(5, 150, 105, 0.25);
    }

    .btn-form-submit:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(5, 150, 105, 0.35);
    }

    /* 用户评论卡片 */
    .testimonial-card {
      background: var(--white);
      border: 1px solid var(--mint-200);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-content {
      font-size: 0.94rem;
      color: var(--slate-700);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: normal;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--mint-100);
      padding-top: 14px;
    }

    .user-avatar-badge {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--mint-100);
      color: var(--mint-800);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }

    .user-meta-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--slate-900);
    }

    .user-meta-role {
      font-size: 0.8rem;
      color: var(--mint-700);
      font-weight: 500;
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: var(--white);
      border: 1px solid var(--mint-200);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .faq-item:hover {
      border-color: var(--mint-400);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 22px;
      background: none;
      border: none;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--slate-900);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-icon-arrow {
      color: var(--mint-600);
      font-size: 1.2rem;
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-icon-arrow {
      transform: rotate(180deg);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      font-size: 0.94rem;
      color: var(--slate-600);
      line-height: 1.7;
      border-top: 1px dashed var(--mint-100);
      padding-top: 14px;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 行业资讯与文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .article-box {
      background: var(--white);
      border: 1px solid var(--mint-200);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-meta {
      font-size: 0.8rem;
      color: var(--mint-700);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .article-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--slate-900);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .article-snippet {
      font-size: 0.9rem;
      color: var(--slate-600);
      line-height: 1.6;
      margin-bottom: 16px;
    }

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

    .article-link:hover {
      color: var(--mint-800);
      text-decoration: underline;
    }

    /* 联系与客服卡片 */
    .contact-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .contact-card {
      background: var(--white);
      border: 1px solid var(--mint-200);
      border-radius: var(--radius-md);
      padding: 28px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .contact-card-icon {
      width: 50px;
      height: 50px;
      margin: 0 auto 16px;
      border-radius: 50%;
      background: var(--mint-100);
      color: var(--mint-700);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
    }

    .contact-card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--slate-900);
      margin-bottom: 8px;
    }

    .contact-card-info {
      font-size: 0.95rem;
      color: var(--slate-600);
      margin-bottom: 14px;
      word-break: break-all;
    }

    .qr-container {
      width: 140px;
      height: 140px;
      margin: 12px auto;
      padding: 6px;
      background: var(--white);
      border: 1px solid var(--mint-200);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .qr-container img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    /* 友情链接 */
    .friend-links-box {
      background: var(--white);
      border: 1px solid var(--mint-200);
      border-radius: var(--radius-md);
      padding: 24px 30px;
      margin-top: 40px;
    }

    .friend-links-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--slate-800);
      margin-bottom: 12px;
    }

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

    .friend-links-list a {
      font-size: 0.88rem;
      color: var(--slate-600);
      background: var(--mint-50);
      padding: 4px 12px;
      border-radius: 6px;
      border: 1px solid var(--mint-100);
    }

    .friend-links-list a:hover {
      color: var(--mint-700);
      border-color: var(--mint-300);
    }

    /* 页脚 */
    .site-footer {
      background: #062e24;
      color: #94a3b8;
      padding-top: 50px;
      padding-bottom: 30px;
      border-top: 3px solid var(--mint-600);
    }

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

    .footer-brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 12px;
    }

    .footer-brand-desc {
      font-size: 0.9rem;
      line-height: 1.7;
      color: #cbd5e1;
    }

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

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list li a {
      font-size: 0.88rem;
      color: #cbd5e1;
    }

    .footer-links-list li a:hover {
      color: var(--mint-300);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #94a3b8;
    }

    /* 悬浮客服挂件与返回顶部 */
    .floating-widget {
      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: var(--white);
      border: 1px solid var(--mint-200);
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--mint-700);
      cursor: pointer;
      transition: var(--transition);
      font-size: 1.1rem;
    }

    .float-btn:hover {
      background: var(--mint-600);
      color: var(--white);
      transform: scale(1.08);
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.1rem;
      }
      .grid-4, .hero-stats-grid, .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3, .token-price-grid, .contact-grid, .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-box-grid {
        grid-template-columns: 1fr;
      }
      .footer-inner {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--mint-200);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.05);
      }

      .nav-links.active {
        display: flex;
      }

      .nav-links li {
        width: 100%;
      }

      .nav-links li a {
        display: block;
        padding: 10px 14px;
      }

      .menu-toggle {
        display: block;
      }

      .hero-title {
        font-size: 1.75rem;
      }

      .hero-sub {
        font-size: 0.98rem;
      }

      .grid-4, .grid-3, .grid-2, .hero-stats-grid, .process-timeline, .token-price-grid, .contact-grid, .articles-grid, .custom-form, .footer-inner {
        grid-template-columns: 1fr;
      }

      .eval-overview-box {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        padding: 24px;
      }
    }