:root {
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --accent-coral: #ff5757;
      --accent-cyan: #06b6d4;
      --accent-amber: #f59e0b;
      --accent-violet: #8b5cf6;
      --accent-emerald: #10b981;
      --bg-main: #f8fafc;
      --bg-surface: #ffffff;
      --bg-subtle: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-sub: #64748b;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 10px 25px -5px rgba(99,102,241,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
      --shadow-lg: 0 20px 30px -10px rgba(79,70,229,0.12), 0 10px 15px -5px rgba(0,0,0,0.05);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.28s ease;
    }

    * {
      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-main);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      position: relative;
    }

    /* 斑斓彩调顶层微光氛围 - 浅色底贯穿 */
    body::before {
      content: "";
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: 
        radial-gradient(circle at 10% 10%, rgba(255, 87, 87, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 20%, rgba(6, 182, 212, 0.05) 0%, transparent 45%),
        radial-gradient(circle at 50% 60%, rgba(139, 92, 246, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 90%, rgba(245, 158, 11, 0.04) 0%, transparent 40%);
      pointer-events: none;
      z-index: -1;
    }

    /* 居中主容器统一规范 */
    .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: 999;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }

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

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

    .brand-wrap .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-name span {
      background: linear-gradient(135deg, var(--accent-coral), var(--primary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      color: var(--text-muted);
      font-size: 0.95rem;
      font-weight: 500;
      text-decoration: none;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      white-space: nowrap;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background: rgba(79, 70, 229, 0.06);
    }

    .header-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: 999px;
      text-decoration: none;
      transition: var(--transition);
      cursor: pointer;
      border: 1px solid transparent;
      line-height: 1.2;
    }

    .btn-primary {
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(79, 70, 229, 0.45);
      color: #ffffff;
    }

    .btn-secondary {
      background: var(--bg-surface);
      color: var(--text-main);
      border-color: var(--border-color);
    }

    .btn-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(79, 70, 229, 0.04);
    }

    .btn-rainbow {
      background: linear-gradient(135deg, #ff5757 0%, #ec4899 35%, #8b5cf6 70%, #06b6d4 100%);
      color: #ffffff;
      box-shadow: 0 4px 18px rgba(236, 72, 153, 0.35);
    }

    .btn-rainbow:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(236, 72, 153, 0.48);
      color: #ffffff;
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* 区域通用结构 */
    .section-wrap {
      padding: 75px 0;
      position: relative;
    }

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

    .section-tag {
      display: inline-block;
      padding: 5px 14px;
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      border-radius: 999px;
      margin-bottom: 12px;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(236, 72, 153, 0.1));
      color: var(--primary);
      border: 1px solid rgba(79, 70, 229, 0.15);
    }

    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 12px;
    }

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

    /* 首屏 Hero 区域 (无图片，纯色/渐变/几何科技块/数据流) */
    .hero-section {
      padding: 85px 0 60px;
      position: relative;
      background: linear-gradient(180deg, rgba(255,255,255,0.85) 0%, rgba(248,250,252,0.95) 100%);
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.25fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: 999px;
      background: #eff6ff;
      border: 1px solid #bfdbfe;
      color: #1d4ed8;
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 22px;
    }

    .hero-badge .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #2563eb;
      box-shadow: 0 0 0 rgba(37, 99, 235, 0.4);
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.6); }
      70% { box-shadow: 0 0 0 8px rgba(37, 99, 235, 0); }
      100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
    }

    .hero-title {
      font-size: 2.85rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.22;
      letter-spacing: -0.8px;
      margin-bottom: 20px;
    }

    .hero-title .gradient-text {
      background: linear-gradient(135deg, #4f46e5 0%, #ec4899 50%, #f59e0b 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-desc {
      font-size: 1.12rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 30px;
      max-width: 620px;
    }

    .hero-btn-group {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
      margin-bottom: 36px;
    }

    .hero-highlights {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      padding-top: 24px;
      border-top: 1px dashed var(--border-color);
    }

    .highlight-item h4 {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .highlight-item p {
      font-size: 0.85rem;
      color: var(--text-sub);
    }

    /* 首屏纯CSS多模型聚合矩阵卡片 */
    .hero-visual-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .card-topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
      margin-bottom: 20px;
    }

    .dot-cluster {
      display: flex;
      gap: 6px;
    }

    .dot-cluster span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .dot-red { background: #ef4444; }
    .dot-yellow { background: #f59e0b; }
    .dot-green { background: #10b981; }

    .matrix-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-muted);
      letter-spacing: 0.5px;
    }

    .model-pills-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 22px;
    }

    .model-pill {
      font-size: 0.78rem;
      font-weight: 600;
      padding: 5px 11px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
      background: var(--bg-subtle);
      color: var(--text-main);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: var(--transition);
    }

    .model-pill:hover {
      background: #e0e7ff;
      border-color: #c7d2fe;
      color: var(--primary);
      transform: translateY(-1px);
    }

    .matrix-workflow {
      background: linear-gradient(145deg, #f8fafc 0%, #f1f5f9 100%);
      border-radius: var(--radius-md);
      padding: 18px;
      border: 1px solid #e2e8f0;
    }

    .flow-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.84rem;
      padding: 8px 0;
      border-bottom: 1px dashed #cbd5e1;
    }

    .flow-row:last-child {
      border-bottom: none;
    }

    .flow-label {
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .flow-status {
      font-weight: 600;
      color: var(--accent-emerald);
      background: rgba(16, 185, 129, 0.1);
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* 平台核心介绍模块 */
    .about-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .about-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      transition: var(--transition);
      position: relative;
    }

    .about-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #c7d2fe;
    }

    .card-icon {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.45rem;
      margin-bottom: 20px;
    }

    .icon-p1 { background: rgba(79, 70, 229, 0.1); color: var(--primary); }
    .icon-p2 { background: rgba(236, 72, 153, 0.1); color: #ec4899; }
    .icon-p3 { background: rgba(6, 182, 212, 0.1); color: var(--accent-cyan); }
    .icon-p4 { background: rgba(245, 158, 11, 0.1); color: var(--accent-amber); }
    .icon-p5 { background: rgba(16, 185, 129, 0.1); color: var(--accent-emerald); }
    .icon-p6 { background: rgba(139, 92, 246, 0.1); color: var(--accent-violet); }

    .about-card h3 {
      font-size: 1.22rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

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

    /* AIGC主打服务场景网格 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .service-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      border-color: #cbd5e1;
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .service-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .service-card .badge-mini {
      font-size: 0.72rem;
      font-weight: 600;
      padding: 2px 7px;
      border-radius: 4px;
      background: #eff6ff;
      color: #2563eb;
    }

    .service-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 14px;
    }

    .service-meta {
      font-size: 0.8rem;
      color: var(--text-sub);
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--bg-subtle);
      padding-top: 10px;
    }

    /* 一站式创作中心与图文组合展示 */
    .one-stop-card {
      background: var(--bg-surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      margin-bottom: 30px;
    }

    .one-stop-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
    }

    .one-stop-text {
      padding: 44px;
    }

    .one-stop-text h3 {
      font-size: 1.75rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .one-stop-text p {
      font-size: 0.98rem;
      color: var(--text-muted);
      margin-bottom: 22px;
      line-height: 1.65;
    }

    .one-stop-features {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 26px;
    }

    .one-stop-features li {
      font-size: 0.88rem;
      color: var(--text-main);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .feature-check {
      color: var(--accent-emerald);
      font-weight: bold;
    }

    .media-box {
      width: 100%;
      height: 100%;
      min-height: 320px;
      background: var(--bg-subtle);
      position: relative;
      overflow: hidden;
    }

    .media-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.5s ease;
    }

    .one-stop-card:hover .media-box img {
      transform: scale(1.02);
    }

    /* 行业解决方案卡片 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .industry-card {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 30px;
      position: relative;
    }

    .industry-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .industry-card ul {
      list-style: none;
      margin-top: 14px;
    }

    .industry-card ul li {
      font-size: 0.9rem;
      color: var(--text-muted);
      padding: 6px 0;
      border-bottom: 1px dashed var(--border-color);
    }

    .industry-card ul li:last-child {
      border-bottom: none;
    }

    /* 标准交付流程 (时间线/步骤条) */
    .steps-row {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .step-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      position: relative;
    }

    .step-number {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-violet));
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px;
      font-size: 1rem;
    }

    .step-item h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .step-item p {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例中心 */
    .banner-tri-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 30px;
    }

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

    .case-img-box {
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: var(--bg-subtle);
    }

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

    .case-content {
      padding: 18px;
    }

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

    .case-content p {
      font-size: 0.86rem;
      color: var(--text-muted);
    }

    /* 对比评测：五星推荐 9.9分 */
    .eval-box {
      background: var(--bg-surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      padding: 40px;
    }

    .eval-header-summary {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding-bottom: 28px;
      margin-bottom: 28px;
      border-bottom: 1px solid var(--border-color);
    }

    .score-badge-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .big-score {
      font-size: 3.5rem;
      font-weight: 900;
      color: #ea580c;
      line-height: 1;
    }

    .score-meta h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .stars {
      color: #f59e0b;
      font-size: 1.15rem;
      letter-spacing: 2px;
    }

    .score-meta p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

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

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }

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

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

    .eval-table tr:hover td {
      background: rgba(248, 250, 252, 0.8);
    }

    .highlight-col {
      background: rgba(79, 70, 229, 0.03);
      font-weight: 600;
      color: var(--primary);
    }

    .eval-table th.highlight-col {
      background: rgba(79, 70, 229, 0.08);
      color: var(--primary);
      font-size: 1rem;
    }

    .tag-win {
      display: inline-block;
      padding: 2px 8px;
      font-size: 0.75rem;
      border-radius: 4px;
      background: #ecfdf5;
      color: #059669;
      font-weight: 600;
    }

    /* Token 比价看板 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

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

    .token-card:hover {
      box-shadow: var(--shadow-md);
      border-color: #cbd5e1;
    }

    .token-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 14px;
      color: var(--text-main);
    }

    .token-price-line {
      display: flex;
      align-items: baseline;
      gap: 6px;
      margin-bottom: 8px;
    }

    .token-price {
      font-size: 1.6rem;
      font-weight: 800;
      color: #e11d48;
    }

    .token-orig {
      font-size: 0.85rem;
      color: var(--text-sub);
      text-decoration: line-through;
    }

    .token-features {
      list-style: none;
      font-size: 0.84rem;
      color: var(--text-muted);
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px dashed var(--border-color);
    }

    .token-features li {
      padding: 3px 0;
    }

    /* 用户评论 (6条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }

    .review-quote {
      font-size: 0.94rem;
      color: var(--text-main);
      line-height: 1.6;
      margin-bottom: 18px;
    }

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

    .user-avatar-circle {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #6366f1, #a855f7);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }

    .user-meta h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-meta span {
      font-size: 0.82rem;
      color: var(--text-sub);
    }

    /* 常见问题 FAQ 折叠面板 (不少于10条) */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
      transition: var(--transition);
    }

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

    .faq-question:hover {
      background: #f8fafc;
      color: var(--primary);
    }

    .faq-icon {
      font-size: 1.25rem;
      color: var(--text-sub);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #fafafa;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.65;
      padding: 0 22px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 22px 20px;
      border-top: 1px solid var(--border-color);
    }

    /* 行业资讯 & AI百科 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .news-block {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
    }

    .news-block h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

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

    .article-links-list li {
      padding: 10px 0;
      border-bottom: 1px dashed var(--border-color);
    }

    .article-links-list li:last-child {
      border-bottom: none;
    }

    .article-links-list a {
      color: var(--text-main);
      text-decoration: none;
      font-size: 0.92rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: var(--transition);
    }

    .article-links-list a:hover {
      color: var(--primary);
      transform: translateX(4px);
    }

    .article-dynamic-token {
      font-size: 0.82rem;
      color: #64748b;
      margin-top: 12px;
      padding: 10px;
      background: var(--bg-subtle);
      border-radius: var(--radius-sm);
    }

    /* 需求匹配与表单板块 */
    .form-section-card {
      background: var(--bg-surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1.25fr;
    }

    .form-info-pane {
      background: linear-gradient(145deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      padding: 44px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .form-info-pane h3 {
      font-size: 1.7rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .form-info-pane p {
      font-size: 0.95rem;
      color: #cbd5e1;
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .direct-contacts {
      list-style: none;
      font-size: 0.92rem;
    }

    .direct-contacts li {
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
      color: #e2e8f0;
    }

    .form-body-pane {
      padding: 44px;
    }

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

    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

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

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    }

    textarea.form-control {
      min-height: 96px;
      resize: vertical;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    /* 加盟代理与算力副业收益 */
    .agent-box {
      background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
      border: 1px solid #fde68a;
      border-radius: var(--radius-lg);
      padding: 40px;
      text-align: center;
    }

    .agent-box h3 {
      font-size: 1.85rem;
      font-weight: 800;
      color: #92400e;
      margin-bottom: 12px;
    }

    .agent-box p {
      font-size: 1rem;
      color: #78350f;
      max-width: 760px;
      margin: 0 auto 24px;
      line-height: 1.6;
    }

    .agent-features {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
      margin-bottom: 30px;
    }

    .agent-tag {
      background: #ffffff;
      border: 1px solid #fcd34d;
      padding: 8px 18px;
      border-radius: 999px;
      font-weight: 700;
      color: #b45309;
      font-size: 0.9rem;
    }

    /* 页脚设计与友情链接规范 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px;
      color: var(--text-muted);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

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

    .footer-col p {
      font-size: 0.88rem;
      line-height: 1.6;
      margin-bottom: 12px;
    }

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

    .footer-links li {
      margin-bottom: 8px;
    }

    .footer-links a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.88rem;
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: var(--primary);
    }

    .qr-box {
      display: flex;
      align-items: center;
      gap: 14px;
      background: var(--bg-subtle);
      padding: 12px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .qr-box img {
      width: 78px;
      height: 78px;
      border-radius: 6px;
      display: block;
      background: #ffffff;
    }

    .qr-text {
      font-size: 0.82rem;
      line-height: 1.45;
      color: var(--text-muted);
    }

    .friend-links-area {
      padding: 20px 0;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

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

    .friend-links-wrap a {
      color: var(--text-sub);
      text-decoration: none;
      font-size: 0.86rem;
      transition: var(--transition);
    }

    .friend-links-wrap a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 0.84rem;
      color: var(--text-sub);
    }

    /* 浮动操作条 */
    .floating-bar {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-main);
      cursor: pointer;
      text-decoration: none;
      font-size: 1.15rem;
      transition: var(--transition);
    }

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

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .about-grid { grid-template-columns: repeat(2, 1fr); }
      .token-grid { grid-template-columns: repeat(2, 1fr); }
      .steps-row { grid-template-columns: repeat(3, 1fr); }
      .banner-tri-grid { grid-template-columns: repeat(2, 1fr); }
      .form-section-card { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
      }
      .nav-links.active { display: flex; }
      .nav-links li { width: 100%; }
      .nav-links li a { display: block; padding: 10px 0; border-bottom: 1px solid var(--bg-subtle); }
      .hero-title { font-size: 2rem; }
      .service-grid { grid-template-columns: 1fr; }
      .about-grid { grid-template-columns: 1fr; }
      .industry-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .token-grid { grid-template-columns: 1fr; }
      .steps-row { grid-template-columns: 1fr; }
      .banner-tri-grid { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .one-stop-inner { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .form-row { grid-template-columns: 1fr; }
    }