:root {
      --bg-cream: #fffdf9;
      --bg-alt: #fef8ee;
      --text-main: #1e2229;
      --text-muted: #555c68;
      --primary: #ff5e36;
      --primary-hover: #e04822;
      --accent-yellow: #ffd000;
      --accent-cyan: #00d2d3;
      --accent-purple: #845ec2;
      --accent-pink: #ff6f91;
      --accent-green: #2ed573;
      --border-dark: #1e2229;
      --border-light: rgba(30, 34, 41, 0.12);
      --card-bg: #ffffff;
      --shadow-doodle: 4px 4px 0px #1e2229;
      --shadow-doodle-lg: 6px 6px 0px #1e2229;
      --radius-doodle: 18px 24px 16px 22px / 22px 16px 24px 18px;
      --radius-sm: 12px 14px 10px 12px;
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-cream);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: radial-gradient(circle, #e9e3d5 1px, transparent 1px);
      background-size: 28px 28px;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .doodle-badge {
      display: inline-block;
      font-weight: 700;
      font-size: 0.85rem;
      padding: 6px 16px;
      border: 2px solid var(--border-dark);
      border-radius: 999px;
      background-color: var(--accent-yellow);
      box-shadow: 2px 2px 0px var(--border-dark);
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .btn-doodle {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
      padding: 12px 26px;
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      background-color: var(--primary);
      color: #ffffff;
      box-shadow: var(--shadow-doodle);
      cursor: pointer;
      transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
      text-align: center;
    }
    .btn-doodle:hover {
      transform: translate(-2px, -2px);
      box-shadow: var(--shadow-doodle-lg);
      background-color: var(--primary-hover);
      color: #ffffff;
    }
    .btn-doodle:active {
      transform: translate(2px, 2px);
      box-shadow: 1px 1px 0px var(--border-dark);
    }
    .btn-doodle-yellow {
      background-color: var(--accent-yellow);
      color: var(--text-main);
    }
    .btn-doodle-yellow:hover {
      background-color: #f7c500;
      color: var(--text-main);
    }
    .btn-doodle-cyan {
      background-color: var(--accent-cyan);
      color: var(--text-main);
    }
    .btn-doodle-cyan:hover {
      background-color: #00b8b9;
      color: var(--text-main);
    }

    .section-wrap {
      padding: 70px 0;
      position: relative;
    }
    .section-title-wrap {
      text-align: center;
      margin-bottom: 45px;
      position: relative;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 900;
      color: var(--text-main);
      display: inline-block;
      position: relative;
      letter-spacing: -0.5px;
    }
    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      margin-top: 10px;
      max-width: 680px;
      margin-left: auto;
      margin-right: auto;
    }

    /* 头部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 253, 249, 0.95);
      backdrop-filter: blur(8px);
      border-bottom: 2px solid var(--border-dark);
      padding: 12px 0;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      height: 46px;
    }
    .brand-logo-wrap img {
      max-height: 42px;
      width: auto;
      display: block;
    }
    .brand-title-text {
      font-size: 1.35rem;
      font-weight: 900;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }
    .nav-links a {
      font-size: 0.92rem;
      font-weight: 700;
      padding: 8px 12px;
      border-radius: 8px;
      color: var(--text-main);
      transition: background-color 0.2s ease, color 0.2s ease;
      white-space: nowrap;
    }
    .nav-links a:hover {
      background-color: var(--accent-yellow);
      color: var(--text-main);
    }
    .nav-action-btns {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .mobile-menu-toggle {
      display: none;
      background: #ffffff;
      border: 2px solid var(--border-dark);
      padding: 6px 10px;
      border-radius: 8px;
      font-size: 1.2rem;
      font-weight: 900;
      cursor: pointer;
      box-shadow: 2px 2px 0px var(--border-dark);
    }

    /* Hero 首屏 - 禁用图片 */
    .hero-section {
      padding: 60px 0 50px;
      position: relative;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 2.6rem;
      line-height: 1.25;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-content h1 span {
      background: linear-gradient(180deg, transparent 65%, var(--accent-yellow) 65%);
      padding: 0 4px;
    }
    .hero-desc {
      font-size: 1.12rem;
      color: var(--text-muted);
      margin-bottom: 30px;
      line-height: 1.7;
    }
    .hero-btn-group {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 36px;
    }
    .hero-feature-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .hero-feature-tag {
      font-size: 0.85rem;
      font-weight: 700;
      background: #ffffff;
      border: 1.5px solid var(--border-dark);
      padding: 5px 12px;
      border-radius: 20px;
      box-shadow: 2px 2px 0px var(--border-dark);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .hero-feature-tag::before {
      content: "";
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--accent-green);
    }

    /* 首屏右侧纯 CSS/SVG 科技与涂鸦概念看板 */
    .hero-art-board {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: var(--radius-doodle);
      padding: 30px;
      box-shadow: var(--shadow-doodle-lg);
      position: relative;
      overflow: hidden;
    }
    .board-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 2px dashed var(--border-dark);
      padding-bottom: 14px;
      margin-bottom: 20px;
    }
    .board-dots {
      display: flex;
      gap: 6px;
    }
    .board-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      border: 1.5px solid var(--border-dark);
    }
    .board-dot.red { background-color: var(--accent-pink); }
    .board-dot.yellow { background-color: var(--accent-yellow); }
    .board-dot.green { background-color: var(--accent-green); }
    .board-status {
      font-size: 0.85rem;
      font-weight: 800;
      color: var(--text-main);
      background: var(--bg-alt);
      border: 1.5px solid var(--border-dark);
      padding: 4px 10px;
      border-radius: 8px;
    }
    .engine-stack-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .engine-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 16px;
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      background: var(--bg-cream);
      box-shadow: 2px 2px 0px var(--border-dark);
    }
    .engine-title {
      font-weight: 800;
      font-size: 0.95rem;
      color: var(--text-main);
    }
    .engine-tag {
      font-size: 0.78rem;
      padding: 3px 8px;
      border-radius: 6px;
      border: 1px solid var(--border-dark);
      font-weight: 700;
      background: #ffffff;
    }

    /* 指标卡片 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: -10px;
      margin-bottom: 30px;
    }
    .metric-card {
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 22px 18px;
      box-shadow: var(--shadow-doodle);
      text-align: center;
      transition: transform 0.2s ease;
    }
    .metric-card:hover {
      transform: translateY(-4px);
    }
    .metric-value {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .metric-label {
      font-size: 0.9rem;
      font-weight: 800;
      color: var(--text-main);
    }
    .metric-sub {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* 平台核心模型支持跑马标签云 */
    .models-stream-box {
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: 14px;
      padding: 20px 24px;
      box-shadow: var(--shadow-doodle);
      margin-bottom: 50px;
    }
    .models-stream-header {
      font-weight: 900;
      font-size: 1rem;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .model-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .model-pill {
      font-size: 0.8rem;
      font-weight: 700;
      padding: 5px 11px;
      background: var(--bg-alt);
      border: 1.5px solid var(--border-dark);
      border-radius: 20px;
      color: var(--text-main);
      transition: background-color 0.2s ease;
    }
    .model-pill:hover {
      background: var(--accent-yellow);
    }

    /* 核心场景网格 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .scenario-card {
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 24px;
      box-shadow: var(--shadow-doodle);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .scenario-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-doodle-lg);
    }
    .scenario-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .scenario-icon-badge {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      border: 2px solid var(--border-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: 900;
      background-color: var(--accent-yellow);
      box-shadow: 2px 2px 0px var(--border-dark);
      flex-shrink: 0;
    }
    .scenario-title {
      font-size: 1.18rem;
      font-weight: 900;
      color: var(--text-main);
    }
    .scenario-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .scenario-footer {
      border-top: 1px dashed var(--border-dark);
      padding-top: 12px;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    /* 素材图片图文混合展示区 (仅在首屏以外展示) */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-top: 30px;
    }
    .media-card {
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-doodle);
      display: flex;
      flex-direction: column;
    }
    .media-img-wrap {
      width: 100%;
      background: #f0ede6;
      border-bottom: 2px solid var(--border-dark);
      overflow: hidden;
      aspect-ratio: 16 / 9;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .media-img-wrap.square {
      aspect-ratio: 1 / 1;
      max-height: 380px;
    }
    .media-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }
    .media-card:hover .media-img-wrap img {
      transform: scale(1.03);
    }
    .media-info {
      padding: 20px;
      flex-grow: 1;
    }
    .media-title {
      font-size: 1.15rem;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .media-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 宣传图画廊 */
    .banner-gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }
    .banner-gallery-item {
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-doodle);
      aspect-ratio: 16 / 10;
    }
    .banner-gallery-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* 平台介绍与架构 */
    .platform-intro-box {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: var(--radius-doodle);
      padding: 36px;
      box-shadow: var(--shadow-doodle-lg);
    }
    .platform-intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .platform-intro-text p {
      font-size: 0.98rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.7;
    }
    .platform-pillars {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }
    .pillar-item {
      border: 2px solid var(--border-dark);
      padding: 14px;
      border-radius: 10px;
      background: var(--bg-alt);
      box-shadow: 2px 2px 0px var(--border-dark);
    }
    .pillar-item h4 {
      font-size: 0.95rem;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .pillar-item p {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 0;
      line-height: 1.4;
    }

    /* 标准流程时间线 */
    .process-steps-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }
    .step-card {
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: 14px;
      padding: 20px 16px;
      box-shadow: var(--shadow-doodle);
      text-align: center;
      position: relative;
    }
    .step-num {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      border: 2px solid var(--border-dark);
      background-color: var(--accent-yellow);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.1rem;
      margin-bottom: 12px;
      box-shadow: 2px 2px 0px var(--border-dark);
    }
    .step-title {
      font-size: 1rem;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.45;
    }

    /* 对比评测表格 */
    .eval-highlight-box {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: 18px;
      padding: 28px;
      box-shadow: var(--shadow-doodle-lg);
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }
    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .eval-score-num {
      font-size: 3.5rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }
    .eval-score-info h3 {
      font-size: 1.25rem;
      font-weight: 900;
    }
    .eval-score-stars {
      color: #ff9f1a;
      font-size: 1.3rem;
      margin-top: 4px;
    }
    .table-container {
      width: 100%;
      overflow-x: auto;
      border: 2px solid var(--border-dark);
      border-radius: 14px;
      box-shadow: var(--shadow-doodle);
      background: #ffffff;
    }
    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
      min-width: 650px;
    }
    .eval-table th {
      background-color: var(--bg-alt);
      color: var(--text-main);
      padding: 16px 20px;
      font-weight: 900;
      border-bottom: 2px solid var(--border-dark);
      border-right: 1px solid var(--border-light);
    }
    .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-light);
      border-right: 1px solid var(--border-light);
      color: var(--text-muted);
    }
    .eval-table tr:last-child td {
      border-bottom: none;
    }
    .eval-table tr td:last-child,
    .eval-table tr th:last-child {
      border-right: none;
    }
    .eval-table .highlight-col {
      background-color: rgba(255, 208, 0, 0.08);
      font-weight: 700;
      color: var(--text-main);
    }

    /* 用户评论卡片 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 24px;
      box-shadow: var(--shadow-doodle);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .review-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      border: 2px solid var(--border-dark);
      background-color: var(--accent-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.1rem;
    }
    .review-name {
      font-weight: 900;
      font-size: 1rem;
    }
    .review-role {
      font-size: 0.78rem;
      color: var(--text-muted);
    }
    .review-text {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .review-stars {
      color: #ff9f1a;
      font-size: 0.9rem;
    }

    /* FAQ 手风琴 */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
      max-width: 900px;
      margin: 0 auto;
    }
    .faq-item {
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      box-shadow: var(--shadow-doodle);
      overflow: hidden;
    }
    .faq-question {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      padding: 18px 22px;
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .faq-question::after {
      content: "+";
      font-size: 1.4rem;
      font-weight: 900;
      transition: transform 0.2s ease;
    }
    .faq-item.active .faq-question::after {
      transform: rotate(45deg);
    }
    .faq-answer {
      display: none;
      padding: 0 22px 18px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px dashed var(--border-light);
      margin-top: 4px;
      padding-top: 14px;
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    /* 需求匹配与表单 */
    .form-section-box {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: var(--radius-doodle);
      padding: 40px;
      box-shadow: var(--shadow-doodle-lg);
      max-width: 900px;
      margin: 0 auto;
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .form-group.full-width {
      grid-column: span 2;
    }
    .form-group label {
      font-weight: 800;
      font-size: 0.9rem;
      color: var(--text-main);
    }
    .form-control {
      width: 100%;
      border: 2px solid var(--border-dark);
      border-radius: 10px;
      padding: 12px 14px;
      font-size: 0.95rem;
      background: var(--bg-cream);
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }
    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 2px 2px 0px var(--border-dark);
    }
    textarea.form-control {
      min-height: 110px;
      resize: vertical;
    }

    /* 行业资讯与短代码文章 */
    .news-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 24px;
    }
    .news-card-item {
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      padding: 20px;
      box-shadow: var(--shadow-doodle);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-card-item h4 {
      font-size: 1rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .news-card-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 14px;
    }
    .article-stream-bar {
      background: var(--bg-alt);
      border: 2px dashed var(--border-dark);
      border-radius: 12px;
      padding: 16px 20px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
    }
    .article-stream-title {
      font-weight: 800;
      font-size: 0.92rem;
    }
    .article-stream-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .article-stream-links a {
      font-size: 0.85rem;
      color: var(--primary);
      text-decoration: underline;
      font-weight: 700;
    }

    /* 加盟代理与算力被动收益 */
    .agent-banner-box {
      background: #ffffff;
      border: 3px solid var(--border-dark);
      border-radius: var(--radius-doodle);
      padding: 36px;
      box-shadow: var(--shadow-doodle-lg);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: center;
    }
    .agent-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 20px;
    }
    .agent-perk-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .agent-perk-dot {
      width: 14px;
      height: 14px;
      border-radius: 4px;
      background: var(--primary);
      border: 1px solid var(--border-dark);
      flex-shrink: 0;
      margin-top: 4px;
    }
    .agent-contact-card {
      background: var(--bg-alt);
      border: 2px solid var(--border-dark);
      border-radius: 14px;
      padding: 24px;
      text-align: center;
      box-shadow: 2px 2px 0px var(--border-dark);
    }
    .qr-wrap {
      width: 130px;
      height: 130px;
      margin: 12px auto;
      border: 2px solid var(--border-dark);
      border-radius: 8px;
      overflow: hidden;
      background: #ffffff;
    }
    .qr-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* 页脚 */
    .site-footer {
      background-color: #ffffff;
      border-top: 2px solid var(--border-dark);
      padding: 50px 0 30px;
      margin-top: 40px;
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 36px;
    }
    .footer-col h5 {
      font-size: 1rem;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .footer-col ul a {
      font-size: 0.88rem;
      color: var(--text-muted);
      transition: color 0.15s ease;
    }
    .footer-col ul a:hover {
      color: var(--primary);
    }
    .footer-brand-info {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-links-row {
      border-top: 1px dashed var(--border-light);
      padding-top: 20px;
      margin-bottom: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      font-size: 0.85rem;
    }
    .footer-links-row span {
      font-weight: 800;
      color: var(--text-main);
    }
    .footer-links-row a {
      color: var(--text-muted);
      margin-right: 8px;
    }
    .footer-links-row a:hover {
      color: var(--primary);
    }
    .footer-bottom-bar {
      border-top: 1px solid var(--border-light);
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 悬浮客服面板 */
    .floating-contact-panel {
      position: fixed;
      right: 20px;
      bottom: 25px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      border: 2px solid var(--border-dark);
      background: #ffffff;
      box-shadow: 2px 2px 0px var(--border-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      font-weight: 900;
      cursor: pointer;
      position: relative;
    }
    .float-btn:hover {
      background: var(--accent-yellow);
    }
    .float-qr-pop {
      display: none;
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      border: 2px solid var(--border-dark);
      border-radius: 10px;
      padding: 10px;
      box-shadow: var(--shadow-doodle);
      width: 140px;
      text-align: center;
    }
    .float-btn:hover .float-qr-pop {
      display: block;
    }
    .float-qr-pop img {
      width: 120px;
      height: 120px;
      display: block;
      margin: 0 auto 6px;
    }
    .float-qr-pop span {
      font-size: 0.75rem;
      font-weight: 800;
      color: var(--text-main);
    }

    /* 响应式样式 */
    @media (max-width: 992px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .media-showcase-grid {
        grid-template-columns: 1fr;
      }
      .banner-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .platform-intro-grid {
        grid-template-columns: 1fr;
      }
      .process-steps-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .reviews-grid {
        grid-template-columns: 1fr 1fr;
      }
      .news-cards-grid {
        grid-template-columns: 1fr;
      }
      .agent-banner-box {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
      .nav-links {
        display: none;
      }
      .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 20px;
        right: 20px;
        background: #ffffff;
        border: 2px solid var(--border-dark);
        border-radius: 12px;
        box-shadow: var(--shadow-doodle-lg);
        padding: 14px;
        z-index: 1001;
      }
      .mobile-menu-toggle {
        display: block;
      }
    }

    @media (max-width: 600px) {
      .hero-content h1 {
        font-size: 1.95rem;
      }
      .metrics-grid {
        grid-template-columns: 1fr;
      }
      .scenario-grid {
        grid-template-columns: 1fr;
      }
      .process-steps-grid {
        grid-template-columns: 1fr;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width {
        grid-column: span 1;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .banner-gallery-grid {
        grid-template-columns: 1fr;
      }
      .agent-perks {
        grid-template-columns: 1fr;
      }
    }