:root {
      --bg-canvas: #fcf9f2;
      --card-bg: #ffffff;
      --card-alt: #fef5e7;
      --ink: #18191f;
      --ink-muted: #565965;
      --primary: #ff4338;
      --primary-hover: #e03228;
      --accent-yellow: #ffd027;
      --accent-cyan: #05d5d8;
      --accent-purple: #9b51e0;
      --accent-green: #00cc88;
      --border-dark: #18191f;
      --box-shadow: 4px 4px 0px #18191f;
      --box-shadow-hover: 7px 7px 0px #18191f;
      --box-shadow-sm: 2px 2px 0px #18191f;
      --radius: 14px;
      --container-width: 1200px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-canvas);
      background-image: 
        radial-gradient(#e0dcd0 1px, transparent 1px),
        linear-gradient(to right, rgba(0,0,0,0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0,0,0,0.02) 1px, transparent 1px);
      background-size: 24px 24px, 120px 120px, 120px 120px;
      color: var(--ink);
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }

    img {
      display: block;
      max-width: 100%;
      height: auto;
    }

    .site-wrapper {
      width: 100%;
      overflow-x: hidden;
    }

    .container {
      width: 100%;
      max-width: var(--container-width);
      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-color: #fff9ea;
      border-bottom: 3px solid var(--border-dark);
      padding: 10px 0;
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

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

    .brand-logo-wrap {
      max-width: 140px;
      display: flex;
      align-items: center;
    }

    .brand-badge {
      background: var(--accent-yellow);
      border: 2px solid var(--border-dark);
      box-shadow: 2px 2px 0 var(--border-dark);
      font-size: 12px;
      font-weight: 800;
      padding: 2px 8px;
      border-radius: 6px;
      transform: rotate(-3deg);
      display: inline-block;
    }

    .main-nav {
      display: flex;
      align-items: center;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 700;
      color: var(--ink);
      border-radius: 8px;
      border: 2px solid transparent;
    }

    .nav-links li a:hover {
      background-color: #ffffff;
      border-color: var(--border-dark);
      box-shadow: 2px 2px 0 var(--border-dark);
      color: var(--primary);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background-color: var(--primary);
      color: #ffffff;
      font-weight: 800;
      font-size: 14px;
      padding: 8px 18px;
      border-radius: 10px;
      border: 2px solid var(--border-dark);
      box-shadow: var(--box-shadow-sm);
    }

    .btn-portal:hover {
      background-color: var(--primary-hover);
      transform: translate(-1px, -1px);
      box-shadow: 4px 4px 0 var(--border-dark);
      color: #ffffff;
    }

    .menu-toggle {
      display: none;
      background: var(--accent-yellow);
      border: 2px solid var(--border-dark);
      border-radius: 8px;
      padding: 6px 10px;
      font-size: 18px;
      font-weight: bold;
      cursor: pointer;
    }

    /* 涂鸦标题与通用修饰 */
    .section-head {
      text-align: center;
      margin-bottom: 40px;
      position: relative;
    }

    .tag-bubble {
      display: inline-block;
      font-size: 13px;
      font-weight: 800;
      padding: 4px 14px;
      border-radius: 20px;
      border: 2px solid var(--border-dark);
      box-shadow: 2px 2px 0 var(--border-dark);
      text-transform: uppercase;
      margin-bottom: 12px;
      background: var(--accent-cyan);
    }

    .section-title {
      font-size: 32px;
      font-weight: 900;
      color: var(--ink);
      line-height: 1.3;
      letter-spacing: -0.5px;
      position: relative;
      display: inline-block;
    }

    .section-title::after {
      content: "";
      position: absolute;
      bottom: -6px;
      left: 10%;
      width: 80%;
      height: 6px;
      background: var(--accent-yellow);
      border-radius: 4px;
      z-index: -1;
      transform: rotate(-1deg);
    }

    .section-desc {
      font-size: 15px;
      color: var(--ink-muted);
      margin-top: 14px;
      max-width: 680px;
      margin-left: auto;
      margin-right: auto;
    }

    .section-gap {
      padding: 60px 0;
      border-bottom: 3px dashed rgba(24, 25, 31, 0.2);
    }

    /* 首屏 Hero 区域 (绝无图片) */
    .hero-section {
      padding: 60px 0 50px 0;
      background: linear-gradient(180deg, #fff7dc 0%, #fcf9f2 100%);
      border-bottom: 3px solid var(--border-dark);
      position: relative;
    }

    .hero-layout {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
    }

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

    .hero-badge-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 18px;
    }

    .badge-pop {
      font-size: 13px;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: 8px;
      border: 2px solid var(--border-dark);
      box-shadow: 2px 2px 0 var(--border-dark);
      background: #ffffff;
    }

    .badge-pop.yellow { background: var(--accent-yellow); }
    .badge-pop.cyan { background: var(--accent-cyan); }
    .badge-pop.pink { background: #ff76ac; color: #fff; }

    .hero-title {
      font-size: 40px;
      font-weight: 900;
      line-height: 1.2;
      color: var(--ink);
      margin-bottom: 18px;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--ink);
      font-weight: 600;
      margin-bottom: 16px;
      line-height: 1.5;
    }

    .hero-desc {
      font-size: 15px;
      color: var(--ink-muted);
      line-height: 1.7;
      margin-bottom: 28px;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      margin-bottom: 28px;
    }

    .btn-main-action {
      background-color: var(--primary);
      color: #ffffff;
      font-size: 18px;
      font-weight: 900;
      padding: 14px 34px;
      border-radius: 14px;
      border: 3px solid var(--border-dark);
      box-shadow: 5px 5px 0px var(--border-dark);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-main-action:hover {
      background-color: var(--primary-hover);
      transform: translate(-2px, -2px);
      box-shadow: 7px 7px 0px var(--border-dark);
      color: #ffffff;
    }

    .btn-sub-action {
      background-color: var(--accent-yellow);
      color: var(--ink);
      font-size: 16px;
      font-weight: 800;
      padding: 14px 24px;
      border-radius: 14px;
      border: 3px solid var(--border-dark);
      box-shadow: 4px 4px 0px var(--border-dark);
      display: inline-flex;
      align-items: center;
    }

    .btn-sub-action:hover {
      transform: translate(-2px, -2px);
      box-shadow: 6px 6px 0px var(--border-dark);
    }

    .hero-highlights {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      font-size: 14px;
      font-weight: 700;
    }

    .highlight-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .check-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background: var(--accent-green);
      border: 2px solid var(--border-dark);
      border-radius: 50%;
      font-size: 12px;
      font-weight: 900;
    }

    /* 首屏纯CSS与几何卡片，绝无图片 */
    .hero-visual-board {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: 20px;
      box-shadow: 8px 8px 0px var(--border-dark);
      padding: 24px;
      position: relative;
    }

    .board-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 2px dashed var(--border-dark);
      padding-bottom: 12px;
      margin-bottom: 16px;
    }

    .board-dots {
      display: flex;
      gap: 6px;
    }

    .dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      border: 2px solid var(--border-dark);
    }

    .dot.red { background: #ff5f56; }
    .dot.yellow { background: #ffbd2e; }
    .dot.green { background: #27c93f; }

    .board-label {
      font-size: 13px;
      font-weight: 800;
      color: var(--ink);
    }

    .model-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 20px;
    }

    .model-chip {
      background: var(--card-alt);
      border: 2px solid var(--border-dark);
      border-radius: 8px;
      font-size: 12px;
      font-weight: 800;
      padding: 4px 10px;
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    .board-stat-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 16px;
    }

    .stat-card {
      background: #fafafa;
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      padding: 12px;
      box-shadow: 3px 3px 0 var(--border-dark);
    }

    .stat-card.c1 { background: #effbff; }
    .stat-card.c2 { background: #fff5f5; }
    .stat-card.c3 { background: #f3f0ff; }
    .stat-card.c4 { background: #f0fff4; }

    .stat-num {
      font-size: 24px;
      font-weight: 900;
      color: var(--ink);
      line-height: 1.1;
    }

    .stat-text {
      font-size: 12px;
      color: var(--ink-muted);
      font-weight: 700;
      margin-top: 4px;
    }

    .board-memo {
      background: var(--accent-yellow);
      border: 2px solid var(--border-dark);
      border-radius: 10px;
      padding: 10px 14px;
      font-size: 13px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    /* 涂鸦卡片标准 */
    .graffiti-card {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: var(--radius);
      box-shadow: var(--box-shadow);
      padding: 24px;
      transition: all 0.25s ease;
      position: relative;
    }

    .graffiti-card:hover {
      transform: translate(-3px, -3px);
      box-shadow: var(--box-shadow-hover);
    }

    /* 关于我们 / 平台能力 */
    .about-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 20px;
    }

    .about-item-title {
      font-size: 18px;
      font-weight: 900;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .pill-icon {
      width: 28px;
      height: 28px;
      border-radius: 8px;
      background: var(--accent-yellow);
      border: 2px solid var(--border-dark);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 14px;
    }

    /* AIGC 服务场景矩阵 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 20px;
    }

    .service-card {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: 14px;
      padding: 20px;
      box-shadow: var(--box-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-tag {
      align-self: flex-start;
      font-size: 12px;
      font-weight: 800;
      padding: 2px 8px;
      border-radius: 6px;
      border: 2px solid var(--border-dark);
      margin-bottom: 12px;
      background: var(--accent-cyan);
    }

    .service-title {
      font-size: 17px;
      font-weight: 900;
      margin-bottom: 8px;
    }

    .service-desc {
      font-size: 13px;
      color: var(--ink-muted);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 12px;
    }

    .service-feature {
      font-size: 12px;
      font-weight: 700;
      background: #fbf8f0;
      border: 1px dashed var(--border-dark);
      padding: 6px 10px;
      border-radius: 6px;
    }

    /* 一站式自动化创作流程与图文 */
    .media-card-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      align-items: stretch;
      margin-bottom: 30px;
    }

    .media-img-box {
      border: 3px solid var(--border-dark);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--box-shadow);
      background: #ffffff;
    }

    .media-img-box img {
      width: 100%;
      height: 260px;
      object-fit: cover;
    }

    .media-content-box {
      padding: 20px;
      background: #ffffff;
      border-top: 3px solid var(--border-dark);
    }

    .media-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 800;
      background: var(--accent-yellow);
      border: 2px solid var(--border-dark);
      padding: 2px 8px;
      border-radius: 6px;
      margin-bottom: 8px;
    }

    /* 行业方案与服务网络 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .industry-card {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: 14px;
      box-shadow: var(--box-shadow);
      padding: 22px;
    }

    .industry-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }

    .industry-icon {
      font-size: 22px;
      background: #ffec99;
      border: 2px solid var(--border-dark);
      width: 44px;
      height: 44px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
    }

    .industry-list {
      list-style: none;
      font-size: 13px;
      color: var(--ink-muted);
      margin-top: 10px;
    }

    .industry-list li {
      margin-bottom: 6px;
      position: relative;
      padding-left: 14px;
    }

    .industry-list li::before {
      content: "•";
      position: absolute;
      left: 0;
      color: var(--primary);
      font-size: 16px;
    }

    /* 标准制作流程 Timeline */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }

    .flow-card {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: 14px;
      padding: 20px 16px;
      box-shadow: var(--box-shadow);
      text-align: center;
      position: relative;
    }

    .flow-num {
      width: 36px;
      height: 36px;
      background: var(--accent-cyan);
      border: 2px solid var(--border-dark);
      border-radius: 50%;
      margin: 0 auto 12px auto;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 16px;
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    /* 对比评测模块 */
    .eval-highlight-board {
      background: #fff8e6;
      border: 3px solid var(--border-dark);
      border-radius: 16px;
      box-shadow: var(--box-shadow);
      padding: 24px;
      margin-bottom: 30px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-around;
      gap: 20px;
      text-align: center;
    }

    .score-badge {
      font-size: 48px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .score-stars {
      color: #ff9800;
      font-size: 24px;
      margin-top: 4px;
    }

    .eval-meta {
      font-size: 15px;
      font-weight: 800;
      color: var(--ink);
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      border: 3px solid var(--border-dark);
      border-radius: 16px;
      box-shadow: var(--box-shadow);
      background: #ffffff;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 700px;
    }

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 2px solid #e2ded5;
      font-size: 14px;
    }

    .compare-table th {
      background-color: #f7f3e8;
      font-weight: 900;
      font-size: 15px;
      color: var(--ink);
      border-bottom: 3px solid var(--border-dark);
    }

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

    .compare-table tr.highlight-row {
      background-color: #fffcee;
    }

    .tag-strong {
      font-weight: 800;
      color: var(--primary);
      background: #ffe3e0;
      padding: 2px 8px;
      border-radius: 4px;
      border: 1px solid var(--primary);
    }

    /* 客户案例 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: 14px;
      overflow: hidden;
      box-shadow: var(--box-shadow);
      display: flex;
      flex-direction: column;
    }

    .case-img-box {
      border-bottom: 3px solid var(--border-dark);
      height: 200px;
      overflow: hidden;
      background: #eee;
    }

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

    .case-body {
      padding: 18px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-title {
      font-size: 16px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .case-stat {
      display: flex;
      justify-content: space-between;
      background: #fbf9f2;
      border: 2px solid var(--border-dark);
      border-radius: 8px;
      padding: 8px 12px;
      font-size: 12px;
      font-weight: 800;
      margin-top: 12px;
    }

    /* 需求匹配与联系我们表单 */
    .match-form-wrap {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 30px;
      align-items: start;
    }

    .contact-info-panel {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: 16px;
      box-shadow: var(--box-shadow);
      padding: 24px;
    }

    .qr-card-center {
      text-align: center;
      margin: 18px 0;
      padding: 14px;
      background: #fffcf0;
      border: 2px dashed var(--border-dark);
      border-radius: 12px;
    }

    .qr-card-center img {
      max-width: 140px;
      margin: 0 auto 8px auto;
      border: 2px solid var(--border-dark);
      border-radius: 8px;
    }

    .contact-item-row {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 10px;
      font-size: 14px;
      font-weight: 700;
    }

    .form-panel {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: 16px;
      box-shadow: var(--box-shadow);
      padding: 28px;
    }

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

    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 6px;
      color: var(--ink);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 14px;
      border: 2px solid var(--border-dark);
      border-radius: 10px;
      background: #fdfdfd;
      outline: none;
      transition: all 0.2s;
      font-family: inherit;
    }

    .form-control:focus {
      background: #ffffff;
      border-color: var(--primary);
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    .btn-submit-form {
      width: 100%;
      background: var(--accent-green);
      color: var(--ink);
      font-size: 16px;
      font-weight: 900;
      padding: 14px;
      border-radius: 12px;
      border: 3px solid var(--border-dark);
      box-shadow: 4px 4px 0 var(--border-dark);
      cursor: pointer;
      transition: all 0.2s;
    }

    .btn-submit-form:hover {
      transform: translate(-2px, -2px);
      box-shadow: 6px 6px 0 var(--border-dark);
      background: #05e297;
    }

    /* 用户真实评价 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }

    .review-card {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: 14px;
      box-shadow: var(--box-shadow);
      padding: 20px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .avatar-char {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--accent-yellow);
      border: 2px solid var(--border-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 16px;
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    .user-info-name {
      font-weight: 800;
      font-size: 15px;
    }

    .user-info-role {
      font-size: 12px;
      color: var(--ink-muted);
    }

    .review-quote {
      font-size: 13px;
      line-height: 1.6;
      color: var(--ink);
      margin-bottom: 12px;
    }

    .review-rating {
      color: #ff9800;
      font-size: 14px;
      font-weight: bold;
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: 12px;
      box-shadow: var(--box-shadow-sm);
      margin-bottom: 14px;
      overflow: hidden;
      transition: all 0.2s;
    }

    .faq-item:hover {
      box-shadow: var(--box-shadow);
    }

    .faq-question {
      width: 100%;
      padding: 18px 20px;
      text-align: left;
      font-size: 16px;
      font-weight: 800;
      background: transparent;
      border: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      color: var(--ink);
    }

    .faq-icon {
      font-size: 18px;
      font-weight: 900;
      transition: transform 0.25s;
    }

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

    .faq-answer {
      display: none;
      padding: 0 20px 18px 20px;
      font-size: 14px;
      color: var(--ink-muted);
      line-height: 1.7;
      border-top: 1px dashed #dcd8cd;
      padding-top: 12px;
    }

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

    /* 文章资讯与百科 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 18px;
    }

    .article-item {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: 12px;
      padding: 16px;
      box-shadow: var(--box-shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-title {
      font-size: 15px;
      font-weight: 800;
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .article-link {
      font-size: 13px;
      font-weight: 800;
      color: var(--primary);
      margin-top: 10px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 合作加盟 / 招商专栏 */
    .join-banner {
      background: #fff0d9;
      border: 3px solid var(--border-dark);
      border-radius: 18px;
      box-shadow: var(--box-shadow);
      padding: 36px 30px;
      display: grid;
      grid-template-columns: 1.5fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .join-title {
      font-size: 28px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .join-desc {
      font-size: 15px;
      color: var(--ink-muted);
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .join-box-right {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: 14px;
      padding: 20px;
      box-shadow: 4px 4px 0 var(--border-dark);
      text-align: center;
    }

    /* 友情链接 */
    .friendly-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      padding: 16px 20px;
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: 10px;
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    .friendly-links-wrap a {
      background: #f7f4ea;
      border: 1px solid var(--border-dark);
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 13px;
      font-weight: 700;
      color: var(--ink);
    }

    .friendly-links-wrap a:hover {
      background: var(--accent-yellow);
    }

    /* 页脚 */
    .site-footer {
      background-color: #ffffff;
      border-top: 3px solid var(--border-dark);
      padding: 40px 0 30px 0;
      color: var(--ink);
    }

    .footer-layout {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 30px;
    }

    .footer-col-title {
      font-size: 16px;
      font-weight: 900;
      margin-bottom: 14px;
      position: relative;
      display: inline-block;
    }

    .footer-links-list {
      list-style: none;
      font-size: 13px;
      font-weight: 700;
    }

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

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

    .footer-bottom {
      border-top: 2px dashed #ded9cd;
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      font-weight: 700;
      color: var(--ink-muted);
      gap: 12px;
    }

    /* 悬浮客服面板 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 25px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .widget-btn {
      width: 48px;
      height: 48px;
      background: var(--accent-yellow);
      border: 3px solid var(--border-dark);
      border-radius: 12px;
      box-shadow: 3px 3px 0 var(--border-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-weight: 900;
      font-size: 18px;
      transition: all 0.2s;
    }

    .widget-btn:hover {
      transform: translate(-2px, -2px);
      box-shadow: 5px 5px 0 var(--border-dark);
    }

    .widget-qr-box {
      display: none;
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: 12px;
      padding: 12px;
      box-shadow: 6px 6px 0 var(--border-dark);
      width: 170px;
      text-align: center;
    }

    .widget-qr-box.show {
      display: block;
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-layout {
        grid-template-columns: 1fr;
      }
      .media-card-grid {
        grid-template-columns: 1fr;
      }
      .industry-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .case-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .match-form-wrap {
        grid-template-columns: 1fr;
      }
      .join-banner {
        grid-template-columns: 1fr;
      }
      .footer-layout {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 3px solid var(--border-dark);
        padding: 16px 20px;
      }
      .main-nav.active {
        display: block;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 0;
      }
      .menu-toggle {
        display: inline-block;
      }
      .hero-title {
        font-size: 28px;
      }
      .industry-grid {
        grid-template-columns: 1fr;
      }
      .flow-steps {
        grid-template-columns: 1fr;
      }
      .case-grid {
        grid-template-columns: 1fr;
      }
      .btn-portal {
        padding: 6px 12px;
        font-size: 13px;
      }
    }