:root {
      --primary: #5c3bf6;
      --primary-rgb: 92, 59, 246;
      --primary-light: #ece9fe;
      --accent: #ff2a85;
      --accent-rgb: 255, 42, 133;
      --accent-orange: #ff6e26;
      --accent-cyan: #00d2b4;
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #e2e8f0;
      --border-pop: #cbd5e1;
      --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(92, 59, 246, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-trend: 4px 4px 0px #0f172a;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
    }

    body {
      background: radial-gradient(circle at top right, #f2e9ff 0%, #fdf8ff 25%, #f8fafc 60%);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

    .main-container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid #0f172a;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    }

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

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
    }

    .nav-brand-title {
      font-weight: 900;
      font-size: 1.35rem;
      color: var(--text-main);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .nav-brand-badge {
      font-size: 0.7rem;
      background: #ff2a85;
      color: #fff;
      padding: 2px 6px;
      border-radius: 4px;
      font-weight: 700;
      letter-spacing: 0;
    }

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

    .nav-links li a,
    .ai-page-home-link {
      display: block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      text-decoration: none;
      transition: color 0.2s ease, transform 0.2s ease;
      white-space: nowrap;
    }

    .nav-links li a:hover,
    .ai-page-home-link:hover {
      color: var(--accent);
      transform: translateY(-1px);
    }

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

    .btn-trend {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      background: var(--primary);
      color: #ffffff;
      font-weight: 800;
      font-size: 0.95rem;
      border-radius: var(--radius-sm);
      text-decoration: none;
      border: 2px solid #0f172a;
      box-shadow: 3px 3px 0px #0f172a;
      transition: all 0.2s ease;
      cursor: pointer;
    }

    .btn-trend:hover {
      transform: translate(-2px, -2px);
      box-shadow: 5px 5px 0px #0f172a;
      background: #4829d6;
    }

    .btn-trend:active {
      transform: translate(2px, 2px);
      box-shadow: 1px 1px 0px #0f172a;
    }

    .btn-pink {
      background: var(--accent);
    }
    .btn-pink:hover {
      background: #e6106e;
    }

    .btn-yellow {
      background: #ffd000;
      color: #0f172a;
    }
    .btn-yellow:hover {
      background: #ffc400;
    }

    .nav-mobile-toggle {
      display: none;
      background: none;
      border: 2px solid #0f172a;
      padding: 6px 10px;
      border-radius: var(--radius-sm);
      font-size: 1.2rem;
      cursor: pointer;
      font-weight: bold;
    }

    /* 首屏 Hero - 严格无图，纯CSS与艳色设计 */
    .hero-section {
      padding: 64px 0 56px;
      position: relative;
      overflow: hidden;
    }

    .hero-wrapper {
      position: relative;
      border: 3px solid #0f172a;
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 56px 44px;
      box-shadow: 8px 8px 0px #0f172a;
    }

    .hero-tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 24px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #ffebf4;
      color: #ff0073;
      border: 2px solid #0f172a;
      padding: 6px 14px;
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 800;
      box-shadow: 2px 2px 0px #0f172a;
    }

    .hero-badge-cyan {
      background: #e6faf7;
      color: #008773;
    }

    .hero-title {
      font-size: clamp(1.9rem, 4.2vw, 3rem);
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title .highlight-text {
      background: linear-gradient(120deg, #ff2a85, #7e3af2 80%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      border-bottom: 4px dashed #ff2a85;
      padding-bottom: 2px;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.7;
      max-width: 860px;
      margin-bottom: 36px;
    }

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

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      padding-top: 36px;
      border-top: 2px dashed #cbd5e1;
    }

    .stat-card {
      background: #faf8ff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      padding: 18px 20px;
      box-shadow: 3px 3px 0px #0f172a;
      transition: transform 0.2s ease;
    }

    .stat-card:hover {
      transform: translateY(-3px);
    }

    .stat-num {
      font-size: 2rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-num.pink { color: var(--accent); }
    .stat-num.orange { color: var(--accent-orange); }
    .stat-num.cyan { color: #00a68d; }

    .stat-label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .stat-sub {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-top: 2px;
    }

    /* 公共板块样式 */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 48px;
    }

    .section-pill {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 800;
      text-transform: uppercase;
      padding: 6px 16px;
      border-radius: 20px;
      border: 2px solid #0f172a;
      background: #ffd000;
      color: #0f172a;
      box-shadow: 2px 2px 0px #0f172a;
      margin-bottom: 14px;
    }

    .section-title {
      font-size: clamp(1.6rem, 3vw, 2.3rem);
      font-weight: 900;
      color: #0f172a;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 平台介绍与关于我们 */
    .about-box {
      background: #fff;
      border: 3px solid #0f172a;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: 6px 6px 0px #0f172a;
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .about-p {
      font-size: 1.05rem;
      color: var(--text-muted);
      margin-bottom: 18px;
      line-height: 1.8;
    }

    .about-highlight-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .highlight-item {
      background: #f8fafc;
      border: 2px solid #0f172a;
      padding: 14px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 0.95rem;
      box-shadow: 2px 2px 0px #0f172a;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .highlight-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--accent);
      border: 1px solid #0f172a;
    }

    .models-marquee-card {
      background: #faf5ff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: 4px 4px 0px #0f172a;
    }

    .models-chip-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .model-chip {
      background: #ffffff;
      border: 1.5px solid #0f172a;
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 0.85rem;
      font-weight: 800;
      color: #1e1b4b;
      box-shadow: 2px 2px 0px #0f172a;
      transition: transform 0.15s ease;
    }

    .model-chip:hover {
      background: #ffd000;
      transform: translateY(-2px);
    }

    /* 服务场景网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .service-card {
      background: #ffffff;
      border: 2.5px solid #0f172a;
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: 4px 4px 0px #0f172a;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.2s ease;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: 6px 6px 0px #0f172a;
    }

    .service-badge {
      align-self: flex-start;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 10px;
      border-radius: 4px;
      border: 1.5px solid #0f172a;
      margin-bottom: 14px;
      background: #eef2ff;
      color: #3730a3;
    }

    .service-title {
      font-size: 1.25rem;
      font-weight: 900;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-tag {
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 案例中心 & 真实图片展示 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 26px;
    }

    .case-card {
      background: #ffffff;
      border: 2.5px solid #0f172a;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 5px 5px 0px #0f172a;
      display: flex;
      flex-direction: column;
    }

    .case-img-wrap {
      width: 100%;
      height: 280px;
      border-bottom: 2.5px solid #0f172a;
      background: #f1f5f9;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

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

    .case-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-meta {
      display: flex;
      gap: 8px;
      margin-bottom: 12px;
    }

    .case-pill {
      font-size: 0.75rem;
      font-weight: 800;
      padding: 3px 8px;
      border-radius: 4px;
      background: #fdf2f8;
      color: #be185d;
      border: 1px solid #0f172a;
    }

    .case-title {
      font-size: 1.2rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .case-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 宣传条Banner (含宣传图) */
    .promo-banner {
      background: #ffffff;
      border: 3px solid #0f172a;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 6px 6px 0px #0f172a;
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      align-items: center;
      margin: 40px 0;
    }

    .promo-content {
      padding: 44px;
    }

    .promo-img-box {
      height: 100%;
      min-height: 320px;
      border-left: 3px solid #0f172a;
      background: #f8fafc;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .promo-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* 对比评测 板块 */
    .review-score-banner {
      background: #fff;
      border: 3px solid #0f172a;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: 6px 6px 0px #0f172a;
      margin-bottom: 30px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .review-score-info {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .score-badge-circle {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: #ffd000;
      border: 3px solid #0f172a;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 3px 3px 0px #0f172a;
    }

    .score-val {
      font-size: 1.8rem;
      font-weight: 900;
      color: #0f172a;
      line-height: 1;
    }

    .score-max {
      font-size: 0.75rem;
      font-weight: 800;
      color: #475569;
    }

    .score-stars {
      color: #ff9900;
      font-size: 1.4rem;
      margin-bottom: 6px;
      letter-spacing: 2px;
    }

    .score-heading {
      font-size: 1.35rem;
      font-weight: 900;
      color: #0f172a;
    }

    .score-sub {
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    .comparison-table-wrap {
      width: 100%;
      overflow-x: auto;
      border: 3px solid #0f172a;
      border-radius: var(--radius-md);
      background: #fff;
      box-shadow: 5px 5px 0px #0f172a;
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1.5px solid #e2e8f0;
      font-size: 0.95rem;
    }

    .comparison-table th {
      background: #f1f5f9;
      color: #0f172a;
      font-weight: 900;
      border-bottom: 2.5px solid #0f172a;
    }

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

    .comparison-table .highlight-col {
      background: #faf8ff;
      font-weight: 800;
      color: var(--primary);
    }

    .badge-check {
      display: inline-block;
      padding: 2px 8px;
      background: #dcfce7;
      color: #166534;
      border: 1px solid #0f172a;
      border-radius: 4px;
      font-weight: 800;
      font-size: 0.8rem;
    }

    .badge-cross {
      display: inline-block;
      padding: 2px 8px;
      background: #fee2e2;
      color: #991b1b;
      border: 1px solid #0f172a;
      border-radius: 4px;
      font-weight: 700;
      font-size: 0.8rem;
    }

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

    .step-card {
      background: #fff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: 4px 4px 0px #0f172a;
      position: relative;
    }

    .step-num {
      width: 36px;
      height: 36px;
      background: #ff2a85;
      color: #fff;
      border: 2px solid #0f172a;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.1rem;
      margin-bottom: 16px;
      box-shadow: 2px 2px 0px #0f172a;
    }

    .step-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Token 比价表 */
    .pricing-table-card {
      background: #fff;
      border: 3px solid #0f172a;
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: 6px 6px 0px #0f172a;
    }

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

    .review-card {
      background: #fff;
      border: 2.5px solid #0f172a;
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: 4px 4px 0px #0f172a;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .review-avatar-text {
      width: 44px;
      height: 44px;
      background: #ffd000;
      border: 2px solid #0f172a;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1rem;
      color: #0f172a;
    }

    .review-name {
      font-weight: 800;
      font-size: 1rem;
      color: #0f172a;
    }

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

    .review-content {
      font-size: 0.92rem;
      color: #334155;
      line-height: 1.65;
      margin-bottom: 14px;
    }

    .review-stars {
      color: #ff9900;
      font-size: 0.95rem;
      letter-spacing: 1px;
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #fff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      box-shadow: 3px 3px 0px #0f172a;
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 800;
      color: #0f172a;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .faq-icon {
      font-size: 1.2rem;
      font-weight: 900;
      transition: transform 0.2s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px dashed #cbd5e1;
      padding-top: 14px;
    }

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

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

    /* 百科与资讯列表 */
    .wiki-news-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 26px;
    }

    .wiki-card, .news-card {
      background: #fff;
      border: 2.5px solid #0f172a;
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: 5px 5px 0px #0f172a;
    }

    .card-list-title {
      font-size: 1.25rem;
      font-weight: 900;
      color: #0f172a;
      margin-bottom: 18px;
      padding-bottom: 12px;
      border-bottom: 2px solid #0f172a;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

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

    .custom-post-list li a {
      color: var(--text-main);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 8px;
      transition: color 0.15s ease;
    }

    .custom-post-list li a:hover {
      color: var(--primary);
      text-decoration: underline;
    }

    /* 联系与表单模块 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 32px;
    }

    .contact-form-box {
      background: #fff;
      border: 3px solid #0f172a;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: 6px 6px 0px #0f172a;
    }

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

    .form-label {
      display: block;
      font-size: 0.92rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.95rem;
      border: 2px solid #0f172a;
      border-radius: var(--radius-sm);
      background: #fafafa;
      color: #0f172a;
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
      font-family: inherit;
    }

    .form-control:focus {
      background: #fff;
      border-color: var(--primary);
      box-shadow: 3px 3px 0px #0f172a;
    }

    .contact-info-box {
      background: #fff;
      border: 3px solid #0f172a;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: 6px 6px 0px #0f172a;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .qrcode-panel {
      text-align: center;
      background: #fdf2f8;
      border: 2px dashed #0f172a;
      padding: 24px;
      border-radius: var(--radius-md);
      margin: 18px 0;
    }

    .qrcode-panel img {
      width: 150px;
      height: 150px;
      object-fit: cover;
      margin: 0 auto 12px;
      display: block;
      border: 2px solid #0f172a;
      border-radius: 8px;
      box-shadow: 3px 3px 0px #0f172a;
    }

    .info-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.95rem;
      font-weight: 700;
      color: #1e293b;
    }

    /* 加盟代理模块 */
    .agent-card-banner {
      background: linear-gradient(135deg, #fff7ed 0%, #ffffff 100%);
      border: 3px solid #0f172a;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: 6px 6px 0px #0f172a;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    /* 页脚与友情链接 */
    .site-footer {
      background: #0f172a;
      color: #f8fafc;
      border-top: 4px solid #ff2a85;
      padding: 50px 0 30px;
      margin-top: 60px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 36px;
      padding-bottom: 36px;
      border-bottom: 1px solid #334155;
    }

    .footer-brand h4 {
      font-size: 1.4rem;
      font-weight: 900;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .footer-brand p {
      font-size: 0.9rem;
      color: #94a3b8;
      line-height: 1.7;
      max-width: 420px;
    }

    .footer-col h5 {
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: #ffffff;
      border-left: 3px solid #ffd000;
      padding-left: 10px;
    }

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

    .footer-links li a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.15s ease;
    }

    .footer-links li a:hover {
      color: #ffffff;
    }

    .footer-friend-links {
      padding: 24px 0;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      border-bottom: 1px solid #334155;
    }

    .friend-title {
      font-size: 0.9rem;
      font-weight: 800;
      color: #cbd5e1;
    }

    .footer-friend-links a {
      color: #94a3b8;
      font-size: 0.88rem;
      text-decoration: none;
      padding: 4px 10px;
      background: #1e293b;
      border-radius: 4px;
      transition: all 0.2s ease;
    }

    .footer-friend-links a:hover {
      color: #ffd000;
      background: #334155;
    }

    .footer-bottom {
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动客服挂件 */
    .float-service {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: #ffffff;
      border: 2px solid #0f172a;
      box-shadow: 3px 3px 0px #0f172a;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-weight: 900;
      font-size: 1.1rem;
      color: #0f172a;
      text-decoration: none;
      transition: all 0.2s ease;
    }

    .float-btn:hover {
      transform: translate(-2px, -2px);
      box-shadow: 5px 5px 0px #0f172a;
      background: #ffd000;
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .steps-grid { grid-template-columns: repeat(2, 1fr); }
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .about-box { grid-template-columns: 1fr; }
      .promo-banner { grid-template-columns: 1fr; }
      .promo-img-box { border-left: none; border-top: 3px solid #0f172a; min-height: 240px; }
      .contact-grid { grid-template-columns: 1fr; }
      .wiki-news-wrap { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr; gap: 24px; }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 3px solid #0f172a;
        flex-direction: column;
        padding: 16px 24px;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
      }
      .nav-links.open { display: flex; }
      .nav-mobile-toggle { display: block; }
      .services-grid { grid-template-columns: 1fr; }
      .cases-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .steps-grid { grid-template-columns: 1fr; }
      .hero-stats-grid { grid-template-columns: 1fr; }
      .hero-wrapper { padding: 32px 20px; }
    }