/* 全局重置与基础变量 (斑斓彩调风企业官网) */
    :root {
      --primary: #4f46e5;
      --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
      --accent-rainbow: linear-gradient(90deg, #ec4899, #f59e0b, #10b981, #06b6d4, #6366f1);
      --rainbow-subtle: linear-gradient(135deg, rgba(236,72,153,0.08) 0%, rgba(245,158,11,0.06) 25%, rgba(16,185,129,0.06) 50%, rgba(6,182,212,0.08) 75%, rgba(99,102,241,0.08) 100%);
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-sub: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --border-highlight: rgba(99, 102, 241, 0.25);
      --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(99, 102, 241, 0.08), 0 8px 10px -6px rgba(236, 72, 153, 0.04);
      --shadow-lg: 0 20px 35px -10px rgba(79, 70, 229, 0.12), 0 10px 20px -5px rgba(245, 158, 11, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    *, *::before, *::after {
      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-page);
      background-image: 
        radial-gradient(at 0% 0%, rgba(236, 72, 153, 0.06) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(99, 102, 241, 0.07) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(6, 182, 212, 0.04) 0px, transparent 60%),
        radial-gradient(at 100% 100%, rgba(245, 158, 11, 0.05) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

    /* 统一标准容器体系 (居中规范) */
    .site-container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 通用装饰组件 */
    .rainbow-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 600;
      color: #4f46e5;
      background: #eef2ff;
      border: 1px solid rgba(99, 102, 241, 0.2);
      box-shadow: 0 2px 8px rgba(99, 102, 241, 0.08);
      margin-bottom: 16px;
    }
    .rainbow-badge::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-rainbow);
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 52px auto;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.02em;
      margin-bottom: 14px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      border: none;
      cursor: pointer;
      transition: var(--transition);
      text-align: center;
    }
    .btn-rainbow {
      background: var(--primary-gradient);
      color: #ffffff;
      box-shadow: 0 4px 18px rgba(79, 70, 229, 0.35);
    }
    .btn-rainbow:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(236, 72, 153, 0.4);
      color: #ffffff;
    }
    .btn-outline {
      background: #ffffff;
      color: var(--text-main);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .btn-outline:hover {
      border-color: #6366f1;
      color: #4f46e5;
      background: #f8fafc;
      transform: translateY(-2px);
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .brand-logo .ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
      display: block;
    }
    .brand-text {
      font-size: 1.25rem;
      font-weight: 800;
      color: #1e1b4b;
      letter-spacing: -0.02em;
    }

    /* CSS强制规则: .nav-links gap必须为0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-item {
      display: inline-block;
    }
    .nav-item a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.94rem;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }
    .nav-item a:hover {
      color: #4f46e5;
      background: rgba(99, 102, 241, 0.06);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 8px 10px;
      font-size: 1.1rem;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 首屏 Hero (严格禁止任何图片、宣传图、背景图) */
    .hero-section {
      position: relative;
      padding: 84px 0 60px 0;
      text-align: center;
      overflow: hidden;
    }
    .hero-inner {
      max-width: 980px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }
    .hero-h1 {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      letter-spacing: -0.03em;
      margin-bottom: 22px;
    }
    .hero-h1 span.colorful-text {
      color: #4f46e5;
      text-decoration: underline;
      text-decoration-color: #ec4899;
      text-underline-offset: 6px;
    }
    .hero-sub {
      font-size: 1.18rem;
      color: var(--text-muted);
      line-height: 1.7;
      max-width: 820px;
      margin: 0 auto 36px auto;
    }
    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }
    .btn-hero-official {
      padding: 14px 36px;
      font-size: 1.08rem;
      background: linear-gradient(135deg, #ec4899 0%, #8b5cf6 50%, #3b82f6 100%);
      color: #ffffff;
      box-shadow: 0 10px 25px rgba(236, 72, 153, 0.35);
      border-radius: var(--radius-full);
      font-weight: 700;
    }
    .btn-hero-official:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(139, 92, 246, 0.45);
      color: #ffffff;
    }

    /* 首屏纯CSS构建的数据指标卡片 */
    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }
    .metric-card {
      background: #ffffff;
      border: 1px solid rgba(99, 102, 241, 0.15);
      border-radius: var(--radius-md);
      padding: 22px 16px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--accent-rainbow);
    }
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.35);
    }
    .metric-value {
      font-size: 2rem;
      font-weight: 900;
      color: #1e1b4b;
      margin-bottom: 4px;
      display: flex;
      align-items: baseline;
      justify-content: center;
      gap: 4px;
    }
    .metric-unit {
      font-size: 0.95rem;
      font-weight: 600;
      color: #ec4899;
    }
    .metric-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 通用版块间距 */
    .section-padding {
      padding: 72px 0;
    }

    /* 关于我们 & 平台介绍 */
    .about-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      padding: 44px;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .about-text h3 {
      font-size: 1.7rem;
      font-weight: 800;
      color: #1e1b4b;
      margin-bottom: 16px;
    }
    .about-text p {
      color: var(--text-muted);
      margin-bottom: 14px;
      font-size: 0.98rem;
      line-height: 1.8;
    }
    .about-features {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 24px;
    }
    .about-f-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.92rem;
      color: var(--text-main);
      font-weight: 600;
    }
    .about-f-item i {
      color: #10b981;
      font-style: normal;
      font-weight: 800;
    }
    .about-media {
      background: linear-gradient(135deg, rgba(236,72,153,0.06), rgba(99,102,241,0.06));
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(99, 102, 241, 0.15);
      text-align: center;
    }
    .about-media img {
      width: 100%;
      height: auto;
      max-height: 380px;
      object-fit: cover;
      border-radius: var(--radius-sm);
      display: block;
      box-shadow: var(--shadow-sm);
    }
    .media-caption {
      font-size: 0.82rem;
      color: var(--text-sub);
      margin-top: 10px;
      font-weight: 500;
    }

    /* AIGC核心服务矩阵卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 30px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      display: flex;
      flex-direction: column;
    }
    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(99, 102, 241, 0.4);
    }
    .service-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
      color: #ffffff;
    }
    .icon-p1 { background: linear-gradient(135deg, #ec4899, #f43f5e); }
    .icon-p2 { background: linear-gradient(135deg, #8b5cf6, #6366f1); }
    .icon-p3 { background: linear-gradient(135deg, #06b6d4, #0ea5e9); }
    .icon-p4 { background: linear-gradient(135deg, #f59e0b, #d97706); }
    .icon-p5 { background: linear-gradient(135deg, #10b981, #059669); }
    .icon-p6 { background: linear-gradient(135deg, #6366f1, #d946ef); }

    .service-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }
    .service-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .tag-chip {
      background: #f1f5f9;
      color: #475569;
      font-size: 0.78rem;
      padding: 3px 10px;
      border-radius: var(--radius-full);
      font-weight: 500;
    }

    /* 一站式制作场景大赏 (包含横版图与宣传图) */
    .scenarios-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }
    .media-banner-card {
      margin-bottom: 36px;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid rgba(99, 102, 241, 0.2);
      box-shadow: var(--shadow-md);
    }
    .media-banner-card .ai-page-image {
      width: 100%;
      height: auto;
      max-height: 420px;
      object-fit: cover;
      display: block;
    }

    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .scenario-item {
      background: #f8fafc;
      border: 1px solid #edf2f7;
      border-radius: var(--radius-md);
      padding: 20px;
      transition: var(--transition);
      border-left: 4px solid #6366f1;
    }
    .scenario-item:hover {
      background: #ffffff;
      transform: translateX(4px);
      box-shadow: var(--shadow-sm);
      border-color: #cbd5e1;
      border-left-color: #ec4899;
    }
    .scenario-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .scenario-item p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 对比评测 (五星、9.9分) */
    .review-score-banner {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 32px;
      box-shadow: 0 15px 35px rgba(30, 27, 75, 0.25);
    }
    .score-left {
      max-width: 600px;
    }
    .score-left h3 {
      font-size: 1.7rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: #ffffff;
    }
    .score-left p {
      color: #cbd5e1;
      font-size: 0.98rem;
      line-height: 1.6;
    }
    .score-badge-group {
      text-align: right;
      background: rgba(255, 255, 255, 0.08);
      padding: 20px 32px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .score-stars {
      color: #facc15;
      font-size: 1.6rem;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }
    .score-num {
      font-size: 3rem;
      font-weight: 900;
      color: #38bdf8;
      line-height: 1;
    }
    .score-max {
      font-size: 1.2rem;
      color: #94a3b8;
      font-weight: 600;
    }

    .comparison-table-wrapper {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }
    .comparison-table th, .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
    }
    .comparison-table th {
      background: #f8fafc;
      font-weight: 700;
      color: #1e293b;
    }
    .col-highlight {
      background: rgba(99, 102, 241, 0.04);
      color: #4338ca;
      font-weight: 600;
    }
    .badge-check {
      color: #10b981;
      font-weight: 800;
      font-size: 1.1rem;
    }
    .badge-cross {
      color: #94a3b8;
      font-weight: 600;
    }

    /* Token 比价专区 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
      position: relative;
    }
    .token-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #6366f1;
    }
    .token-model-name {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 6px;
    }
    .token-tag {
      display: inline-block;
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: var(--radius-full);
      background: #e0f2fe;
      color: #0369a1;
      margin-bottom: 14px;
    }
    .token-pricing {
      margin: 14px 0;
      padding: 12px;
      background: #f8fafc;
      border-radius: var(--radius-sm);
    }
    .token-official {
      font-size: 0.8rem;
      color: #94a3b8;
      text-decoration: line-through;
    }
    .token-current {
      font-size: 1.45rem;
      font-weight: 800;
      color: #ec4899;
    }

    /* AI 百科 & 30+ 模型聚合阵列 */
    .models-chip-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }
    .model-chip {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 8px 18px;
      border-radius: var(--radius-full);
      font-size: 0.88rem;
      font-weight: 600;
      color: #334155;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .model-chip:hover {
      border-color: #ec4899;
      color: #4f46e5;
      transform: scale(1.04);
      box-shadow: 0 4px 12px rgba(236, 72, 153, 0.15);
    }
    .model-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #10b981;
    }

    /* 案例中心 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }
    .case-media-box {
      width: 100%;
      height: 220px;
      overflow: hidden;
      background: #f1f5f9;
    }
    .case-media-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
      display: block;
    }
    .case-card:hover .case-media-box img {
      transform: scale(1.05);
    }
    .case-body {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .case-cat {
      font-size: 0.78rem;
      font-weight: 700;
      color: #6366f1;
      text-transform: uppercase;
      margin-bottom: 6px;
    }
    .case-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }
    .case-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .case-stat-badge {
      margin-top: auto;
      background: #ecfdf5;
      color: #047857;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      font-size: 0.82rem;
      font-weight: 600;
    }

    /* 用户评论 (6条精选真实反馈) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.3);
    }
    .review-quote {
      font-size: 0.92rem;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
      font-style: italic;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 16px;
    }
    .avatar-initial {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }
    .author-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
    }
    .author-info span {
      font-size: 0.8rem;
      color: var(--text-sub);
    }

    /* 加盟代理板块 */
    .agent-box {
      background: linear-gradient(135deg, #ffffff 0%, #f5f3ff 100%);
      border: 1px solid rgba(139, 92, 246, 0.25);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }
    .agent-content h3 {
      font-size: 1.85rem;
      font-weight: 800;
      color: #1e1b4b;
      margin-bottom: 14px;
    }
    .agent-content p {
      color: var(--text-muted);
      font-size: 1rem;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .agent-perks {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    .perk-item {
      background: #ffffff;
      padding: 14px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid #e2e8f0;
      font-size: 0.9rem;
      font-weight: 600;
      color: #334155;
      box-shadow: var(--shadow-sm);
    }

    /* 需求匹配与联系我们 (表单与联系方式) */
    .contact-container {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 36px;
      align-items: start;
    }
    .form-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .form-card h3 {
      font-size: 1.45rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 8px;
    }
    .form-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: #334155;
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #f8fafc;
      transition: var(--transition);
      outline: none;
    }
    .form-control:focus {
      border-color: #6366f1;
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    .contact-info-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .contact-info-card h3 {
      font-size: 1.45rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 20px;
    }
    .contact-item-row {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px 0;
      border-bottom: 1px solid #f1f5f9;
      font-size: 0.95rem;
    }
    .contact-item-label {
      font-weight: 600;
      color: var(--text-sub);
      width: 90px;
    }
    .contact-item-val {
      font-weight: 700;
      color: #0f172a;
    }
    .qrcode-box {
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px solid #e2e8f0;
      text-align: center;
    }
    .qrcode-box img {
      width: 140px;
      height: 140px;
      border-radius: var(--radius-sm);
      border: 1px solid #e2e8f0;
      padding: 4px;
      background: #ffffff;
      display: inline-block;
    }
    .qrcode-box span {
      display: block;
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-top: 8px;
      font-weight: 500;
    }

    /* FAQ 手风琴 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: rgba(99, 102, 241, 0.35);
    }
    .faq-question {
      padding: 18px 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-weight: 700;
      font-size: 1.02rem;
      color: #1e293b;
      user-select: none;
    }
    .faq-icon {
      font-size: 1.2rem;
      transition: transform 0.3s ease;
      color: #6366f1;
    }
    .faq-answer {
      display: none;
      padding: 0 24px 20px 24px;
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px dashed #f1f5f9;
      margin-top: 4px;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* 行业资讯 & 最新文章 */
    .articles-section {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 60px;
      box-shadow: var(--shadow-sm);
    }
    .articles-links-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 20px;
    }
    .article-link-card {
      padding: 14px 18px;
      background: #f8fafc;
      border-radius: var(--radius-sm);
      border: 1px solid #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.92rem;
      color: var(--text-main);
      font-weight: 600;
      transition: var(--transition);
    }
    .article-link-card:hover {
      background: #ffffff;
      border-color: #6366f1;
      color: #4f46e5;
      transform: translateX(4px);
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 28px 0;
      margin-top: 40px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 36px;
    }
    .footer-brand p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-top: 14px;
      max-width: 320px;
    }
    .footer-title {
      font-size: 1rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 16px;
    }
    .footer-links-col a {
      display: block;
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      transition: var(--transition);
    }
    .footer-links-col a:hover {
      color: #4f46e5;
    }
    .friend-links-box {
      border-top: 1px solid #f1f5f9;
      padding-top: 24px;
      margin-bottom: 24px;
    }
    .friend-links-box h4 {
      font-size: 0.9rem;
      font-weight: 700;
      color: #475569;
      margin-bottom: 12px;
    }
    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }
    .friend-links-list a {
      font-size: 0.84rem;
      color: var(--text-muted);
      background: #f1f5f9;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      transition: var(--transition);
    }
    .friend-links-list a:hover {
      background: #e0e7ff;
      color: #4f46e5;
    }
    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-sub);
    }

    /* 浮动客服与返回顶部 */
    .floating-toolbar {
      position: fixed;
      right: 24px;
      bottom: 36px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      z-index: 999;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      color: #4f46e5;
      cursor: pointer;
      position: relative;
      transition: var(--transition);
    }
    .float-btn:hover {
      transform: scale(1.08);
      background: #4f46e5;
      color: #ffffff;
    }
    .qr-tooltip {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: none;
      width: 140px;
      text-align: center;
    }
    .qr-tooltip img {
      width: 100%;
      height: auto;
      display: block;
    }
    .qr-tooltip span {
      display: block;
      font-size: 0.75rem;
      color: #334155;
      margin-top: 6px;
      font-weight: 600;
    }
    .float-btn:hover .qr-tooltip {
      display: block;
    }

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .services-grid, .scenarios-grid, .cases-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-metrics-grid, .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-box, .agent-box, .contact-container {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .hero-h1 {
        font-size: 2.1rem;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-item {
        width: 100%;
      }
      .nav-item a {
        display: block;
        padding: 12px 16px;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .services-grid, .scenarios-grid, .cases-grid, .reviews-grid, .articles-links-list {
        grid-template-columns: 1fr;
      }
      .hero-metrics-grid, .token-grid {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        text-align: center;
        gap: 20px;
      }
      .score-badge-group {
        text-align: center;
        width: 100%;
      }
      .about-features, .agent-perks {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .about-box, .agent-box, .form-card, .contact-info-card, .scenarios-container {
        padding: 24px;
      }
    }