:root {
      --iridescent-bg: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
      --prism-gradient: linear-gradient(135deg, #ff9a9e 0%, #fecfef 25%, #a1c4fd 60%, #c2e9fb 100%);
      --holo-border: linear-gradient(90deg, #ff758c 0%, #ff7eb3 25%, #70a6ff 50%, #4facfe 75%, #00f2fe 100%);
      --primary-color: #3b5998;
      --accent-holo: #6a11cb;
      --text-main: #1f2937;
      --text-muted: #4b5563;
      --text-light: #6b7280;
      --card-bg: rgba(255, 255, 255, 0.85);
      --card-border: rgba(229, 231, 235, 0.8);
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
      --shadow-holo: 0 10px 25px -5px rgba(106, 17, 203, 0.12), 0 8px 10px -6px rgba(0, 242, 254, 0.1);
      --shadow-hover: 0 16px 32px -4px rgba(106, 17, 203, 0.18), 0 8px 16px -4px rgba(79, 172, 254, 0.15);
      --radius-lg: 16px;
      --radius-md: 10px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: #f8fafc;
      background-image: 
        radial-gradient(at 0% 0%, rgba(254, 207, 239, 0.35) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(161, 196, 253, 0.4) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(226, 232, 240, 0.5) 0px, transparent 60%),
        radial-gradient(at 0% 100%, rgba(194, 233, 251, 0.35) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(255, 222, 233, 0.3) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }

    /* 容器基准 */
    .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, 0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }

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

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

    .brand-area .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
      display: block;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: #111827;
      letter-spacing: -0.02em;
      background: linear-gradient(135deg, #1e1b4b 0%, #4338ca 100%);
      -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: #374151;
      text-decoration: none;
      font-size: 0.92rem;
      font-weight: 500;
      border-radius: 6px;
      transition: var(--transition);
    }

    .nav-links li a:hover {
      color: #4338ca;
      background: rgba(99, 102, 241, 0.08);
    }

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

    .btn-nav-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 8px 18px;
      font-size: 0.9rem;
      font-weight: 600;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
      border-radius: 9999px;
      text-decoration: none;
      box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
      transition: var(--transition);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .btn-nav-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(124, 58, 237, 0.35);
      color: #ffffff;
    }

    .menu-toggle {
      display: none;
      background: none;
      border: 1px solid #e5e7eb;
      padding: 8px;
      border-radius: 6px;
      cursor: pointer;
      color: #374151;
    }

    /* 通用Section布局 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px auto;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.8rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: #4338ca;
      background: rgba(99, 102, 241, 0.12);
      border: 1px solid rgba(99, 102, 241, 0.2);
      border-radius: 9999px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #111827;
      margin-bottom: 14px;
      letter-spacing: -0.02em;
    }

    .section-desc {
      font-size: 1.05rem;
      color: #4b5563;
      line-height: 1.7;
    }

    /* 首屏 HERO (无图片) */
    .hero-section {
      padding: 80px 0 70px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    }

    .hero-holo-bg {
      position: absolute;
      top: -100px;
      left: 50%;
      transform: translateX(-50%);
      width: 1000px;
      height: 400px;
      background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.15), rgba(59, 130, 246, 0.15), transparent 70%);
      z-index: 0;
      pointer-events: none;
      filter: blur(40px);
    }

    .hero-content {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }

    .hero-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid rgba(168, 85, 247, 0.3);
      border-radius: 9999px;
      font-size: 0.88rem;
      font-weight: 600;
      color: #6b21a8;
      box-shadow: 0 4px 15px rgba(168, 85, 247, 0.1);
      margin-bottom: 24px;
      backdrop-filter: blur(8px);
    }

    .hero-chip-pulse {
      width: 8px;
      height: 8px;
      background-color: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
    }

    .hero-main-title {
      font-size: 2.6rem;
      font-weight: 900;
      line-height: 1.25;
      color: #111827;
      margin-bottom: 20px;
      letter-spacing: -0.03em;
    }

    .hero-holo-text {
      background: linear-gradient(135deg, #4338ca 0%, #7c3aed 40%, #0284c7 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline;
    }

    .hero-lead {
      font-size: 1.18rem;
      color: #374151;
      line-height: 1.8;
      margin-bottom: 36px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .btn-hero-official {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #06b6d4 100%);
      border-radius: 12px;
      text-decoration: none;
      box-shadow: 0 8px 25px rgba(79, 70, 229, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.3);
      transition: var(--transition);
    }

    .btn-hero-official:hover {
      transform: translateY(-2px) scale(1.02);
      box-shadow: 0 12px 30px rgba(147, 51, 234, 0.45);
      color: #ffffff;
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      padding: 14px 28px;
      font-size: 1.02rem;
      font-weight: 600;
      color: #1f2937;
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid #d1d5db;
      border-radius: 12px;
      text-decoration: none;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .btn-hero-secondary:hover {
      background: #ffffff;
      border-color: #9ca3af;
      transform: translateY(-2px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.06);
    }

    /* 首屏数据指标卡片群 (无图片) */
    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      text-align: left;
    }

    .metric-card {
      background: rgba(255, 255, 255, 0.75);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.9);
      padding: 22px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-holo);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--holo-border);
    }

    .metric-card:hover {
      transform: translateY(-4px);
      background: rgba(255, 255, 255, 0.95);
      box-shadow: var(--shadow-hover);
    }

    .metric-val {
      font-size: 1.9rem;
      font-weight: 800;
      color: #1e1b4b;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .metric-label {
      font-size: 0.88rem;
      font-weight: 600;
      color: #4b5563;
      margin-bottom: 4px;
    }

    .metric-sub {
      font-size: 0.78rem;
      color: #6b7280;
    }

    /* 平台介绍 & 核心优势 */
    .about-box {
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-holo);
      margin-bottom: 40px;
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .about-feature-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }

    .about-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.92rem;
      color: #374151;
      font-weight: 500;
    }

    .feature-dot {
      width: 18px;
      height: 18px;
      min-width: 18px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #06b6d4);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 11px;
      font-weight: bold;
      margin-top: 2px;
    }

    /* 模型标签云 */
    .models-pill-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .model-tag {
      background: #f1f5f9;
      color: #334155;
      font-size: 0.82rem;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 9999px;
      border: 1px solid #e2e8f0;
      transition: var(--transition);
    }

    .model-tag:hover {
      background: #e0e7ff;
      color: #3730a3;
      border-color: #c7d2fe;
    }

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

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

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

    .holo-card {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(8px);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .holo-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(99, 102, 241, 0.4);
      background: #ffffff;
    }

    .card-icon-badge {
      width: 46px;
      height: 46px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.15));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      margin-bottom: 18px;
      color: #4338ca;
    }

    .holo-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: #111827;
      margin-bottom: 10px;
    }

    .holo-card p {
      font-size: 0.92rem;
      color: #4b5563;
      line-height: 1.6;
      flex-grow: 1;
    }

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

    .process-step {
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }

    .step-number {
      font-size: 1.8rem;
      font-weight: 900;
      background: linear-gradient(135deg, #4f46e5, #06b6d4);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 8px;
    }

    .step-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #1f2937;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.86rem;
      color: #4b5563;
    }

    /* 案例中心 */
    .media-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--card-border);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .media-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }

    .media-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f3f4f6;
      overflow: hidden;
    }

    .media-img-wrap.square-ratio {
      aspect-ratio: 1 / 1;
    }

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

    .media-card:hover .media-img-wrap img {
      transform: scale(1.04);
    }

    .media-body {
      padding: 20px;
    }

    .media-tag {
      display: inline-block;
      padding: 2px 8px;
      font-size: 0.75rem;
      font-weight: 600;
      color: #4338ca;
      background: #e0e7ff;
      border-radius: 4px;
      margin-bottom: 8px;
    }

    .media-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #111827;
      margin-bottom: 6px;
    }

    .media-desc {
      font-size: 0.85rem;
      color: #4b5563;
    }

    /* 对比评测表格与卡片 */
    .benchmark-header-box {
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(6, 182, 212, 0.08));
      border: 1px solid rgba(99, 102, 241, 0.2);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 30px;
    }

    .benchmark-score-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-stars {
      color: #f59e0b;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .score-digits {
      font-size: 2.2rem;
      font-weight: 900;
      color: #4338ca;
      line-height: 1;
    }

    .score-max {
      font-size: 1rem;
      color: #6b7280;
      font-weight: normal;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--card-border);
      box-shadow: var(--shadow-sm);
    }

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

    .comparison-table th, 
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #e5e7eb;
      font-size: 0.92rem;
    }

    .comparison-table th {
      background: #f9fafb;
      font-weight: 700;
      color: #1f2937;
    }

    .comparison-table th.col-highlight {
      background: #eef2ff;
      color: #3730a3;
      border-bottom: 2px solid #6366f1;
    }

    .comparison-table td.col-highlight {
      background: rgba(238, 242, 255, 0.35);
      font-weight: 600;
      color: #1e1b4b;
    }

    .status-check {
      color: #10b981;
      font-weight: bold;
    }

    .status-cross {
      color: #9ca3af;
    }

    /* 需求匹配与表单 */
    .form-container-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-holo);
    }

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

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

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

    .form-label {
      font-size: 0.88rem;
      font-weight: 600;
      color: #374151;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid #d1d5db;
      border-radius: 8px;
      font-size: 0.92rem;
      color: #1f2937;
      background: #fcfdfd;
      transition: var(--transition);
      outline: none;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: #6366f1;
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
      background: #ffffff;
    }

    .btn-submit {
      width: 100%;
      padding: 14px;
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
      border: none;
      border-radius: 8px;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
      transition: var(--transition);
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(124, 58, 237, 0.4);
    }

    /* FAQ 折叠面板 */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item:hover {
      border-color: rgba(99, 102, 241, 0.3);
    }

    .faq-question {
      width: 100%;
      padding: 18px 22px;
      text-align: left;
      background: none;
      border: none;
      font-size: 1rem;
      font-weight: 700;
      color: #1f2937;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-question .toggle-icon {
      font-size: 1.2rem;
      transition: transform 0.3s ease;
      color: #6366f1;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: #fafbff;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      max-height: 500px;
      transition: max-height 0.4s ease-in-out;
      border-top-color: #f1f5f9;
    }

    .faq-answer-inner {
      padding: 18px 22px;
      font-size: 0.92rem;
      color: #4b5563;
      line-height: 1.7;
    }

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

    .review-card {
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-quote {
      font-size: 0.92rem;
      color: #374151;
      line-height: 1.65;
      margin-bottom: 18px;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f3f4f6;
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #a1c4fd, #c2e9fb);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #1e3a8a;
      font-size: 0.9rem;
    }

    .reviewer-info h4 {
      font-size: 0.92rem;
      color: #111827;
      font-weight: 700;
    }

    .reviewer-info p {
      font-size: 0.78rem;
      color: #6b7280;
    }

    /* 行业资讯与文章 */
    .news-wrapper {
      background: rgba(255, 255, 255, 0.75);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 32px;
    }

    .article-links-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 16px;
    }

    .article-pill-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 16px;
      background: #ffffff;
      border: 1px solid #e5e7eb;
      border-radius: 8px;
      font-size: 0.88rem;
      color: #4338ca;
      text-decoration: none;
      transition: var(--transition);
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    }

    .article-pill-link:hover {
      border-color: #6366f1;
      background: #eef2ff;
      transform: translateY(-2px);
    }

    /* 广告宣传大图区 */
    .banner-display-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 30px;
    }

    .banner-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--card-border);
      box-shadow: var(--shadow-sm);
    }

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

    /* 加盟代理模块 */
    .agency-hero-box {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: 0 20px 40px -15px rgba(30, 27, 75, 0.4);
      position: relative;
      overflow: hidden;
    }

    .agency-hero-box::after {
      content: "";
      position: absolute;
      top: -50px;
      right: -50px;
      width: 250px;
      height: 250px;
      background: radial-gradient(circle, rgba(147, 51, 234, 0.3), transparent 70%);
      pointer-events: none;
    }

    .agency-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
      position: relative;
      z-index: 1;
    }

    .agency-hero-box h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: #ffffff;
    }

    .agency-hero-box p {
      font-size: 0.98rem;
      color: #e0e7ff;
      line-height: 1.7;
    }

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

    .agency-features li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.95rem;
      color: #f3f4f6;
    }

    /* 联系我们卡片 */
    .contact-card-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .qr-container {
      width: 140px;
      height: 140px;
      margin: 12px auto;
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid #e5e7eb;
      padding: 6px;
      background: #ffffff;
    }

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

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid #e5e7eb;
      padding: 50px 0 30px;
      margin-top: 60px;
    }

    .footer-top {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 30px;
      padding-bottom: 30px;
      border-bottom: 1px solid #f1f5f9;
    }

    .footer-col-brand {
      max-width: 360px;
    }

    .footer-col-brand p {
      font-size: 0.88rem;
      color: #6b7280;
      margin-top: 12px;
      line-height: 1.6;
    }

    .footer-links-group h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #1f2937;
      margin-bottom: 14px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links-list li a {
      font-size: 0.85rem;
      color: #4b5563;
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-links-list li a:hover {
      color: #4338ca;
    }

    .friend-links-wrap {
      padding: 24px 0;
      border-bottom: 1px solid #f1f5f9;
    }

    .friend-links-wrap h5 {
      font-size: 0.85rem;
      font-weight: 700;
      color: #374151;
      margin-bottom: 10px;
    }

    .friend-links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friend-links-flex a {
      font-size: 0.82rem;
      color: #6b7280;
      text-decoration: none;
      transition: var(--transition);
    }

    .friend-links-flex a:hover {
      color: #4338ca;
      text-decoration: underline;
    }

    .footer-bottom {
      padding-top: 24px;
      text-align: center;
      font-size: 0.82rem;
      color: #9ca3af;
    }

    /* 浮动工具栏 */
    .floating-support {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid #e5e7eb;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      color: #4338ca;
      font-size: 1.2rem;
      transition: var(--transition);
      cursor: pointer;
    }

    .float-btn:hover {
      transform: scale(1.08);
      background: #4338ca;
      color: #ffffff;
      border-color: #4338ca;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        height: 60px;
      }
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px;
        border-bottom: 1px solid #e5e7eb;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 14px;
        width: 100%;
      }
      .hero-main-title {
        font-size: 1.9rem;
      }
      .hero-lead {
        font-size: 1rem;
      }
      .hero-metrics-grid {
        grid-template-columns: 1fr;
      }
      .about-grid, .agency-grid, .banner-display-grid, .grid-2 {
        grid-template-columns: 1fr;
      }
      .grid-3, .grid-4, .reviews-grid, .process-timeline, .form-grid, .contact-card-grid {
        grid-template-columns: 1fr;
      }
      .section-wrap {
        padding: 50px 0;
      }
      .section-title {
        font-size: 1.6rem;
      }
      .about-box, .form-container-card, .agency-hero-box {
        padding: 24px;
      }
    }