:root {
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --color-primary: #4338ca;
      --color-primary-dark: #312e81;
      --color-accent-pink: #ec4899;
      --color-accent-amber: #f59e0b;
      --color-accent-teal: #0d9488;
      --color-accent-violet: #8b5cf6;
      --color-contrast-cyan: #06b6d4;
      --border-color: #e2e8f0;
      --border-accent: #cbd5e1;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 8px 20px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.12);
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

    a {
      color: var(--color-primary);
      text-decoration: none;
      transition: all 0.25s ease;
    }

    a:hover {
      color: var(--color-accent-pink);
    }

    .container {
      width: 100%;
      max-width: 1240px;
      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, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid #e0e7ff;
      box-shadow: 0 4px 12px rgba(67, 56, 202, 0.04);
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }

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

    .brand-area .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
      object-fit: contain;
    }

    .brand-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--color-primary-dark);
      letter-spacing: -0.5px;
    }

    .brand-name span {
      color: var(--color-accent-pink);
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 12px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      color: var(--color-primary);
      background-color: #eef2ff;
    }

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

    .btn-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      background: linear-gradient(135deg, #4338ca 0%, #7c3aed 100%);
      color: #ffffff !important;
      font-weight: 700;
      font-size: 0.95rem;
      border-radius: var(--radius-md);
      box-shadow: 0 4px 14px rgba(67, 56, 202, 0.28);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .btn-portal:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(67, 56, 202, 0.38);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.7rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 4px;
    }

    /* 撞色视觉条带 */
    .color-strip {
      height: 4px;
      background: linear-gradient(90deg, #ec4899 0%, #8b5cf6 25%, #06b6d4 50%, #f59e0b 75%, #10b981 100%);
      width: 100%;
    }

    /* 模块通用样式 */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background-color: #f1f5f9;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px;
    }

    .badge-contrast {
      display: inline-block;
      padding: 6px 14px;
      font-size: 0.82rem;
      font-weight: 800;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      border-radius: 9999px;
      margin-bottom: 14px;
      background: #fdf2f8;
      color: #db2777;
      border: 1px solid #fbcfe8;
    }

    .badge-teal {
      background: #ccfbf1;
      color: #0f766e;
      border-color: #99f6e4;
    }

    .badge-amber {
      background: #fef3c7;
      color: #b45309;
      border-color: #fde68a;
    }

    .badge-purple {
      background: #ede9fe;
      color: #6d28d9;
      border-color: #ddd6fe;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.3;
      margin-bottom: 14px;
    }

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

    /* 首屏 HERO (禁止图片) */
    .hero-section {
      padding: 90px 0 80px;
      background: radial-gradient(circle at 85% 15%, #fce7f3 0%, #e0e7ff 45%, #f8fafc 85%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid #e2e8f0;
    }

    .hero-container {
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 18px;
      background: #ffffff;
      border: 2px solid #818cf8;
      color: #4338ca;
      font-weight: 700;
      font-size: 0.9rem;
      border-radius: 9999px;
      box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
      margin-bottom: 24px;
    }

    .hero-badge .sparkle {
      width: 10px;
      height: 10px;
      background: #ec4899;
      border-radius: 50%;
      box-shadow: 0 0 8px #ec4899;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { transform: scale(1); opacity: 1; }
      50% { transform: scale(1.4); opacity: 0.6; }
    }

    .hero-h1 {
      font-size: 3.1rem;
      font-weight: 900;
      line-height: 1.25;
      letter-spacing: -1px;
      color: #0f172a;
      margin-bottom: 22px;
    }

    .hero-h1 .gradient-text {
      background: linear-gradient(135deg, #4338ca 0%, #db2777 55%, #f59e0b 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-sub {
      font-size: 1.2rem;
      color: #334155;
      line-height: 1.75;
      margin-bottom: 36px;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
      font-weight: 500;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .btn-main-action {
      padding: 16px 36px;
      font-size: 1.15rem;
      font-weight: 800;
      color: #ffffff !important;
      background: linear-gradient(135deg, #db2777 0%, #7c3aed 100%);
      border-radius: var(--radius-md);
      box-shadow: 0 8px 24px rgba(219, 39, 119, 0.35);
      border: 2px solid #ffffff;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .btn-main-action:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(219, 39, 119, 0.45);
    }

    .btn-secondary-action {
      padding: 16px 32px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #1e1b4b !important;
      background: #ffffff;
      border: 2px solid #c7d2fe;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .btn-secondary-action:hover {
      background: #eef2ff;
      border-color: #818cf8;
      transform: translateY(-2px);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      max-width: 900px;
      margin: 0 auto;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid #e0e7ff;
      padding: 20px 16px;
      border-radius: var(--radius-md);
      box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
      text-align: center;
      transition: transform 0.25s;
    }

    .stat-card:hover {
      transform: translateY(-4px);
    }

    .stat-num {
      font-size: 2rem;
      font-weight: 800;
      color: #4338ca;
      line-height: 1.2;
    }

    .stat-num.accent {
      color: #db2777;
    }

    .stat-label {
      font-size: 0.88rem;
      font-weight: 600;
      color: #64748b;
      margin-top: 4px;
    }

    /* 平台介绍板块 */
    .about-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 2px solid #e2e8f0;
      padding: 44px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-content h3 {
      font-size: 1.7rem;
      color: #0f172a;
      margin-bottom: 18px;
      font-weight: 800;
    }

    .about-content p {
      color: #334155;
      font-size: 1.02rem;
      margin-bottom: 16px;
    }

    .feature-check-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 24px;
    }

    .feature-check-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      color: #1e293b;
      font-size: 0.95rem;
    }

    .check-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      background: #dbeafe;
      color: #2563eb;
      border-radius: 50%;
      font-size: 0.75rem;
      font-weight: 900;
    }

    .about-visual-card {
      background: linear-gradient(135deg, #4338ca 0%, #312e81 100%);
      color: #ffffff;
      padding: 36px;
      border-radius: var(--radius-md);
      box-shadow: 0 12px 30px rgba(67, 56, 202, 0.25);
      border: 3px solid #fbcfe8;
    }

    .about-visual-card h4 {
      font-size: 1.35rem;
      margin-bottom: 14px;
      color: #fef08a;
      font-weight: 800;
    }

    .about-visual-card p {
      color: #e0e7ff;
      font-size: 0.95rem;
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .model-tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .model-tag {
      background: rgba(255, 255, 255, 0.18);
      padding: 4px 10px;
      font-size: 0.8rem;
      font-weight: 600;
      border-radius: 6px;
      color: #ffffff;
      border: 1px solid rgba(255, 255, 255, 0.25);
    }

    /* 服务能力卡片与一站式制作 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .card-service {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 30px 24px;
      transition: all 0.28s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .card-service:hover {
      border-color: #818cf8;
      box-shadow: var(--shadow-lg);
      transform: translateY(-5px);
    }

    .card-service.highlight-pink {
      border-top: 5px solid #ec4899;
    }

    .card-service.highlight-indigo {
      border-top: 5px solid #4338ca;
    }

    .card-service.highlight-amber {
      border-top: 5px solid #f59e0b;
    }

    .card-service.highlight-teal {
      border-top: 5px solid #0d9488;
    }

    .card-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 16px;
      background: #eef2ff;
      color: #4338ca;
      font-weight: 800;
    }

    .card-service h3, .card-service h4 {
      font-size: 1.22rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .card-service p {
      font-size: 0.93rem;
      color: #475569;
      line-height: 1.65;
      margin-bottom: 16px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: auto;
    }

    .pill-tag {
      font-size: 0.76rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      background: #f1f5f9;
      color: #334155;
    }

    /* 行业方案展示区 */
    .solution-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s;
    }

    .solution-item:hover {
      border-color: #f43f5e;
      box-shadow: var(--shadow-md);
    }

    .solution-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .solution-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: #0f172a;
    }

    .solution-desc {
      font-size: 0.92rem;
      color: #475569;
      line-height: 1.6;
    }

    /* 流程步骤 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 18px;
      position: relative;
    }

    .timeline-step {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      position: relative;
    }

    .timeline-badge {
      width: 44px;
      height: 44px;
      margin: 0 auto 16px;
      background: linear-gradient(135deg, #4338ca 0%, #db2777 100%);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(67, 56, 202, 0.2);
    }

    .timeline-step h4 {
      font-size: 1.1rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .timeline-step p {
      font-size: 0.88rem;
      color: #64748b;
      line-height: 1.55;
    }

    /* 案例图片展示 (非首屏真实图片) */
    .case-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 20px;
      align-items: stretch;
    }

    .case-card {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .case-img-wrap {
      width: 100%;
      background: #0f172a;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-img-wrap img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

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

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

    .case-body h4 {
      font-size: 1.15rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .case-body p {
      font-size: 0.9rem;
      color: #475569;
      line-height: 1.6;
    }

    .banner-gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 30px;
    }

    .banner-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 2px solid #e2e8f0;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .banner-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      display: block;
    }

    .banner-card .caption {
      padding: 14px 18px;
      font-size: 0.92rem;
      font-weight: 700;
      color: #1e293b;
      background: #ffffff;
    }

    /* 对比评测板块 */
    .evaluation-container {
      background: #ffffff;
      border: 3px solid #818cf8;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: 0 16px 40px rgba(67, 56, 202, 0.1);
    }

    .rating-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      padding: 24px 32px;
      border-radius: var(--radius-md);
      margin-bottom: 32px;
      flex-wrap: wrap;
      gap: 16px;
    }

    .rating-score-box {
      display: flex;
      align-items: baseline;
      gap: 10px;
    }

    .rating-score-box .score-val {
      font-size: 3.6rem;
      font-weight: 900;
      color: #fde047;
      line-height: 1;
    }

    .rating-score-box .score-max {
      font-size: 1.4rem;
      color: #cbd5e1;
      font-weight: 600;
    }

    .stars-icon {
      color: #facc15;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .eval-table-wrap {
      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 #e2e8f0;
      font-size: 0.96rem;
    }

    .eval-table th {
      background: #f8fafc;
      color: #0f172a;
      font-weight: 800;
    }

    .eval-table tr:hover td {
      background: #faf5ff;
    }

    .eval-table .highlight-col {
      background: #eef2ff;
      font-weight: 700;
      color: #4338ca;
    }

    .eval-tag-best {
      display: inline-block;
      padding: 4px 10px;
      background: #ec4899;
      color: #ffffff;
      font-weight: 800;
      font-size: 0.78rem;
      border-radius: 4px;
    }

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

    .token-price-card {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 32px 24px;
      position: relative;
      transition: transform 0.25s;
    }

    .token-price-card:hover {
      transform: translateY(-4px);
    }

    .token-price-card.featured {
      border: 3px solid #db2777;
      box-shadow: 0 12px 30px rgba(219, 39, 119, 0.15);
    }

    .featured-ribbon {
      position: absolute;
      top: -14px;
      right: 20px;
      background: #db2777;
      color: #ffffff;
      padding: 4px 14px;
      font-size: 0.8rem;
      font-weight: 800;
      border-radius: 9999px;
    }

    .price-value {
      font-size: 2.2rem;
      font-weight: 900;
      color: #0f172a;
      margin: 16px 0;
    }

    .price-value small {
      font-size: 0.95rem;
      font-weight: 500;
      color: #64748b;
    }

    .price-feature-list {
      list-style: none;
      margin-bottom: 24px;
    }

    .price-feature-list li {
      padding: 8px 0;
      font-size: 0.92rem;
      color: #334155;
      border-bottom: 1px dashed #e2e8f0;
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: #f59e0b;
      font-size: 1rem;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 0.95rem;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: normal;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .avatar-initial {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, #4338ca 0%, #ec4899 100%);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
    }

    .reviewer-info h5 {
      font-size: 0.98rem;
      font-weight: 800;
      color: #0f172a;
    }

    .reviewer-info span {
      font-size: 0.82rem;
      color: #64748b;
    }

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

    .faq-item {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.25s;
    }

    .faq-item.active {
      border-color: #818cf8;
    }

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

    .faq-icon-arrow {
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #f1f5f9;
      border-radius: 50%;
      font-weight: 900;
      color: #4338ca;
      transition: transform 0.3s;
    }

    .faq-item.active .faq-icon-arrow {
      transform: rotate(180deg);
      background: #e0e7ff;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background: #f8fafc;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      border-top-color: #e2e8f0;
    }

    .faq-answer-inner {
      padding: 20px 24px;
      font-size: 0.95rem;
      color: #334155;
      line-height: 1.7;
    }

    /* 表单与需求匹配 */
    .form-section-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: stretch;
    }

    .form-info-card {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      padding: 40px;
      border-radius: var(--radius-lg);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .form-info-card h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 16px;
    }

    .form-info-card p {
      font-size: 1rem;
      color: #cbd5e1;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .contact-badge-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .contact-item-row {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.98rem;
      color: #e2e8f0;
    }

    .contact-item-row strong {
      color: #fde047;
      min-width: 80px;
    }

    .form-wrapper-box {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

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

    .custom-form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 6px;
    }

    .custom-form-control {
      width: 100%;
      padding: 12px 16px;
      border: 2px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: #0f172a;
      background: #ffffff;
      outline: none;
      transition: border-color 0.25s;
    }

    .custom-form-control:focus {
      border-color: #4338ca;
      box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.15);
    }

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

    .btn-submit-form {
      width: 100%;
      padding: 14px;
      background: linear-gradient(135deg, #4338ca 0%, #db2777 100%);
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 800;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(67, 56, 202, 0.25);
      transition: all 0.25s;
    }

    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(219, 39, 119, 0.35);
    }

    /* 加盟代理板块 */
    .partner-banner {
      background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #ffffff;
      border: 3px solid #f43f5e;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 30px;
      flex-wrap: wrap;
    }

    .partner-text {
      max-width: 680px;
    }

    .partner-text h3 {
      font-size: 2rem;
      font-weight: 900;
      color: #fef08a;
      margin-bottom: 14px;
    }

    .partner-text p {
      font-size: 1.05rem;
      color: #e2e8f0;
      line-height: 1.7;
    }

    /* 最新文章列表 */
    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .article-link-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-sm);
      padding: 16px;
      text-align: center;
      font-weight: 700;
      font-size: 0.92rem;
      color: #1e293b;
      display: block;
      transition: all 0.2s;
    }

    .article-link-card:hover {
      border-color: #4338ca;
      background: #eef2ff;
      transform: translateY(-2px);
    }

    /* 友情链接 */
    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      padding-top: 14px;
    }

    .friend-links-wrap a {
      display: inline-block;
      padding: 6px 14px;
      background: #f1f5f9;
      color: #334155;
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: 4px;
      border: 1px solid #cbd5e1;
    }

    .friend-links-wrap a:hover {
      background: #4338ca;
      color: #ffffff;
      border-color: #4338ca;
    }

    /* 页脚设计 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding-top: 60px;
      padding-bottom: 40px;
      border-top: 4px solid #4338ca;
      margin-top: auto;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #f8fafc;
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }

    .footer-col p {
      font-size: 0.92rem;
      line-height: 1.7;
      margin-bottom: 14px;
      color: #94a3b8;
    }

    .footer-links {
      list-style: none;
    }

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

    .footer-links li a {
      color: #cbd5e1;
      font-size: 0.92rem;
    }

    .footer-links li a:hover {
      color: #38bdf8;
    }

    .qr-box {
      background: #ffffff;
      padding: 10px;
      border-radius: var(--radius-sm);
      display: inline-block;
      text-align: center;
    }

    .qr-box img {
      width: 110px;
      height: 110px;
      display: block;
      object-fit: contain;
    }

    .qr-box span {
      display: block;
      font-size: 0.78rem;
      font-weight: 700;
      color: #0f172a;
      margin-top: 6px;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 26px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.88rem;
      color: #64748b;
    }

    .footer-bottom a {
      color: #94a3b8;
    }

    .footer-bottom a:hover {
      color: #f8fafc;
    }

    /* 浮动客服入口 */
    .float-contact {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4338ca 0%, #db2777 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      box-shadow: 0 6px 18px rgba(15, 23, 42, 0.25);
      cursor: pointer;
      position: relative;
      border: 2px solid #ffffff;
      transition: transform 0.25s;
    }

    .float-btn:hover {
      transform: scale(1.1);
    }

    .float-qr-pop {
      position: absolute;
      right: 64px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 2px solid #818cf8;
      display: none;
      width: 140px;
      text-align: center;
    }

    .float-qr-pop img {
      width: 100%;
      height: auto;
      display: block;
    }

    .float-qr-pop span {
      font-size: 0.8rem;
      font-weight: 700;
      color: #0f172a;
      display: block;
      margin-top: 6px;
    }

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

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-h1 {
        font-size: 2.4rem;
      }
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
      .case-grid {
        grid-template-columns: 1fr;
      }
      .article-links-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    @media (max-width: 768px) {
      .site-header {
        padding: 0 10px;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 2px solid #cbd5e1;
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid #f1f5f9;
      }
      .hero-section {
        padding: 60px 0 50px;
      }
      .hero-h1 {
        font-size: 1.95rem;
      }
      .hero-sub {
        font-size: 1.02rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-box {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .feature-check-list {
        grid-template-columns: 1fr;
      }
      .grid-3, .grid-4, .reviews-grid, .token-grid, .banner-gallery {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .form-section-layout {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .rating-banner {
        flex-direction: column;
        align-items: flex-start;
      }
      .article-links-grid {
        grid-template-columns: 1fr 1fr;
      }
    }