:root {
      --bg-cream: #faf7f0;
      --bg-card: #ffffff;
      --text-main: #18191f;
      --text-muted: #474a57;
      --text-light: #717482;
      --border-dark: #18191f;
      --color-yellow: #ffd043;
      --color-pink: #ff7597;
      --color-cyan: #47d7ac;
      --color-blue: #597fff;
      --color-purple: #c48aff;
      --color-orange: #ff914d;
      --shadow-solid: 4px 4px 0px #18191f;
      --shadow-hover: 6px 6px 0px #18191f;
      --shadow-active: 2px 2px 0px #18191f;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 999px;
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-cream);
      background-image: 
        radial-gradient(#18191f 0.75px, transparent 0.75px),
        linear-gradient(to right, rgba(255, 208, 67, 0.05) 1px, transparent 1px);
      background-size: 24px 24px, 120px 120px;
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(250, 247, 240, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 3px solid var(--border-dark);
      padding: 12px 0;
    }

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

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

    .brand-logo-box {
      width: 44px;
      height: 44px;
      background: var(--color-yellow);
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-sm);
      box-shadow: 2px 2px 0 var(--border-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      padding: 4px;
    }

    .brand-logo-box img {
      max-width: 100%;
      height: auto;
      object-fit: contain;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 900;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .brand-badge {
      display: inline-block;
      font-size: 0.7rem;
      font-weight: 800;
      background: var(--color-cyan);
      border: 1.5px solid var(--border-dark);
      padding: 1px 6px;
      border-radius: var(--radius-pill);
      margin-left: 4px;
      transform: rotate(-3deg);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-item {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
      position: relative;
    }

    .nav-item:hover {
      background: var(--color-yellow);
      box-shadow: 2px 2px 0 var(--border-dark);
      transform: translate(-1px, -1px);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 800;
      font-size: 0.95rem;
      padding: 10px 20px;
      border-radius: var(--radius-md);
      border: 2px solid var(--border-dark);
      box-shadow: var(--shadow-solid);
      cursor: pointer;
      transition: all 0.15s ease;
      text-align: center;
      white-space: nowrap;
      background: #fff;
      color: var(--text-main);
    }

    .btn:hover {
      transform: translate(-2px, -2px);
      box-shadow: var(--shadow-hover);
    }

    .btn:active {
      transform: translate(2px, 2px);
      box-shadow: var(--shadow-active);
    }

    .btn-primary {
      background: var(--color-yellow);
    }

    .btn-accent {
      background: var(--color-pink);
      color: #fff;
    }

    .btn-cyan {
      background: var(--color-cyan);
    }

    .btn-blue {
      background: var(--color-blue);
      color: #fff;
    }

    .menu-toggle {
      display: none;
      background: #fff;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-sm);
      box-shadow: 2px 2px 0 var(--border-dark);
      padding: 8px 12px;
      font-size: 1.1rem;
      font-weight: 900;
      cursor: pointer;
    }

    /* 涂鸦通用组件 */
    .doodle-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.85rem;
      font-weight: 800;
      padding: 4px 12px;
      background: #fff;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-pill);
      box-shadow: 2px 2px 0 var(--border-dark);
      margin-bottom: 14px;
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px auto;
    }

    .section-head h2 {
      font-size: 2.1rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 12px;
      position: relative;
      display: inline-block;
    }

    .section-head h2::after {
      content: "";
      position: absolute;
      left: 10%;
      right: 10%;
      bottom: -6px;
      height: 8px;
      background: var(--color-yellow);
      z-index: -1;
      transform: rotate(-1deg);
      border-radius: 4px;
    }

    .section-head p {
      font-size: 1.05rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .section-spacing {
      padding: 72px 0;
      border-bottom: 3px dashed rgba(24, 25, 31, 0.2);
    }

    /* 首屏无图纯CSS涂鸦风 */
    .hero-section {
      padding: 60px 0 70px 0;
      position: relative;
      overflow: hidden;
      border-bottom: 3px solid var(--border-dark);
      background: #faf7f0;
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-title-box h1 {
      font-size: clamp(1.8rem, 4vw, 2.8rem);
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }

    .hero-highlight {
      background: var(--color-yellow);
      padding: 2px 8px;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-sm);
      display: inline-block;
      box-shadow: 2px 2px 0 var(--border-dark);
      transform: rotate(-1.5deg);
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      font-weight: 600;
      max-width: 760px;
      margin: 0 auto 32px auto;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }

    .hero-cta-group .btn {
      font-size: 1.1rem;
      padding: 14px 30px;
    }

    .doodle-badge-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 10px;
    }

    .doodle-badge-pill {
      font-size: 0.85rem;
      font-weight: 800;
      padding: 6px 14px;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-pill);
      background: #fff;
      box-shadow: 2px 2px 0 var(--border-dark);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 抽象涂鸦几何块（首屏CSS纯几何点缀，无图） */
    .doodle-shape {
      position: absolute;
      pointer-events: none;
      z-index: 1;
      border: 2px solid var(--border-dark);
      box-shadow: 3px 3px 0 var(--border-dark);
    }
    .shape-1 {
      top: 15%;
      left: 3%;
      width: 45px;
      height: 45px;
      background: var(--color-pink);
      border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
      transform: rotate(25deg);
      animation: floatSlow 5s ease-in-out infinite alternate;
    }
    .shape-2 {
      bottom: 20%;
      left: 5%;
      width: 55px;
      height: 35px;
      background: var(--color-cyan);
      border-radius: var(--radius-md);
      transform: rotate(-15deg);
    }
    .shape-3 {
      top: 20%;
      right: 4%;
      width: 50px;
      height: 50px;
      background: var(--color-yellow);
      border-radius: 50%;
      animation: floatSlow 4s ease-in-out infinite alternate-reverse;
    }
    .shape-4 {
      bottom: 18%;
      right: 5%;
      width: 40px;
      height: 40px;
      background: var(--color-purple);
      transform: rotate(45deg);
    }

    @keyframes floatSlow {
      0% { transform: translateY(0) rotate(0deg); }
      100% { transform: translateY(-12px) rotate(10deg); }
    }

    /* 核心指标卡片 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
      margin-top: -30px;
      position: relative;
      z-index: 10;
    }

    .metric-card {
      background: #fff;
      border: 2.5px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-solid);
      text-align: center;
      transition: all 0.2s ease;
    }

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

    .metric-num {
      font-size: 2.4rem;
      font-weight: 900;
      line-height: 1;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .metric-card:nth-child(1) .metric-num { color: #ff5757; }
    .metric-card:nth-child(2) .metric-num { color: #2e7be5; }
    .metric-card:nth-child(3) .metric-num { color: #00aa6c; }
    .metric-card:nth-child(4) .metric-num { color: #8e44ad; }

    .metric-label {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-muted);
    }

    /* 卡片网格：场景服务 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
      gap: 24px;
    }

    .service-card {
      background: #fff;
      border: 2.5px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 26px;
      box-shadow: var(--shadow-solid);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.2s ease;
      position: relative;
    }

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

    .service-top {
      margin-bottom: 16px;
    }

    .service-icon-doodle {
      width: 48px;
      height: 48px;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 14px;
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 900;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
      line-height: 1.55;
    }

    .service-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 8px;
      border: 1.5px solid var(--border-dark);
      border-radius: var(--radius-pill);
      background: var(--color-yellow);
      margin-top: 14px;
      width: fit-content;
    }

    /* 模型矩阵胶囊群 */
    .model-capsules {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      margin-top: 24px;
    }

    .model-capsule {
      font-size: 0.9rem;
      font-weight: 800;
      padding: 8px 16px;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-pill);
      background: #fff;
      box-shadow: 2px 2px 0 var(--border-dark);
      transition: all 0.15s ease;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .model-capsule:hover {
      background: var(--color-cyan);
      transform: translate(-1px, -1px);
      box-shadow: 3px 3px 0 var(--border-dark);
    }

    /* 流程步骤 */
    .steps-row {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #fff;
      border: 2.5px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-solid);
      position: relative;
    }

    .step-num {
      position: absolute;
      top: -14px;
      left: 20px;
      width: 32px;
      height: 32px;
      background: var(--color-pink);
      color: #fff;
      border: 2px solid var(--border-dark);
      border-radius: 50%;
      font-size: 0.95rem;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    .step-card h3 {
      font-size: 1.15rem;
      font-weight: 900;
      margin-top: 6px;
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
    }

    /* 对比评测表格 */
    .eval-box {
      background: #fff;
      border: 3px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-solid);
      margin-top: 24px;
    }

    .eval-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      border-bottom: 2.5px solid var(--border-dark);
      padding-bottom: 20px;
      margin-bottom: 24px;
    }

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

    .eval-score-badge {
      background: var(--color-yellow);
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 8px 18px;
      font-size: 1.8rem;
      font-weight: 900;
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    .eval-score-info h4 {
      font-size: 1.2rem;
      font-weight: 900;
    }

    .eval-score-info p {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 700;
    }

    .table-container {
      overflow-x: auto;
    }

    .eval-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      overflow: hidden;
    }

    .eval-table th, .eval-table td {
      padding: 14px 18px;
      text-align: left;
      font-size: 0.95rem;
      border-bottom: 1.5px solid var(--border-dark);
      border-right: 1.5px solid var(--border-dark);
    }

    .eval-table th:last-child, .eval-table td:last-child {
      border-right: none;
    }

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

    .eval-table th {
      background: #f4efe2;
      font-weight: 900;
      color: var(--text-main);
    }

    .eval-table .highlight-col {
      background: rgba(255, 208, 67, 0.15);
      font-weight: 800;
    }

    /* 素材案例展示 */
    .media-showcase {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .media-card {
      background: #fff;
      border: 2.5px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 20px;
      box-shadow: var(--shadow-solid);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .media-img-wrap {
      width: 100%;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 16px;
      background: #f0ede5;
    }

    .media-img-wrap img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.3s ease;
    }

    .media-card:hover .media-img-wrap img {
      transform: scale(1.02);
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .review-card {
      background: #fff;
      border: 2.5px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-solid);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .avatar-doodle {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      border: 2px solid var(--border-dark);
      background: var(--color-cyan);
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 2px 2px 0 var(--border-dark);
      font-size: 1.1rem;
    }

    .review-meta h4 {
      font-size: 1rem;
      font-weight: 800;
    }

    .review-meta span {
      font-size: 0.8rem;
      color: var(--text-light);
      font-weight: 600;
    }

    .review-content {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      font-weight: 500;
    }

    .review-stars {
      color: #ff914d;
      font-size: 0.9rem;
      margin-top: 12px;
    }

    /* FAQ 手风琴 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: #fff;
      border: 2.5px solid var(--border-dark);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-solid);
      overflow: hidden;
      transition: all 0.2s ease;
    }

    .faq-trigger {
      width: 100%;
      text-align: left;
      padding: 18px 22px;
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-main);
      background: transparent;
      border: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-icon {
      font-size: 1.3rem;
      font-weight: 900;
      transition: transform 0.2s ease;
    }

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

    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fdfcf9;
      border-top: 1.5px solid transparent;
      padding: 0 22px;
    }

    .faq-item.active .faq-content {
      padding: 16px 22px;
      border-top-color: var(--border-dark);
      max-height: 200px;
    }

    .faq-content p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 需求匹配与表单 */
    .form-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: stretch;
    }

    .form-info-panel {
      background: var(--color-yellow);
      border: 3px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-solid);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .form-info-panel h3 {
      font-size: 1.6rem;
      font-weight: 900;
      margin-bottom: 16px;
    }

    .form-contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .form-card {
      background: #fff;
      border: 3px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-solid);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.95rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      background: #faf7f0;
      color: var(--text-main);
      outline: none;
      font-family: inherit;
    }

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

    /* 行业资讯文章列表 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 16px;
      margin-top: 24px;
    }

    .article-item-card {
      background: #fff;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 18px;
      box-shadow: var(--shadow-solid);
      transition: all 0.2s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-item-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      background: #fffceb;
    }

    .article-item-card h4 {
      font-size: 1rem;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .article-read-btn {
      font-size: 0.85rem;
      font-weight: 800;
      color: var(--color-blue);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 加盟代理与横幅展示 */
    .agent-box {
      background: #fff;
      border: 3px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-solid);
      text-align: center;
    }

    .agent-badges-row {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
      margin: 24px 0 32px 0;
    }

    .agent-badge-item {
      background: var(--color-cyan);
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 12px 20px;
      font-weight: 800;
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    .banner-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 36px;
    }

    .banner-item {
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-solid);
      background: #eee;
    }

    .banner-item img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 友情链接与底部 */
    .footer-section {
      background: #fff;
      border-top: 3px solid var(--border-dark);
      padding: 56px 0 32px 0;
    }

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

    .footer-col h4 {
      font-size: 1.1rem;
      font-weight: 900;
      margin-bottom: 16px;
      position: relative;
      display: inline-block;
    }

    .footer-col h4::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -4px;
      width: 100%;
      height: 4px;
      background: var(--color-yellow);
    }

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

    .footer-links a {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-muted);
      transition: color 0.2s ease;
    }

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

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 10px;
    }

    .friend-links-wrap a {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-main);
      background: #faf7f0;
      padding: 4px 10px;
      border: 1.5px solid var(--border-dark);
      border-radius: var(--radius-sm);
      transition: all 0.15s ease;
    }

    .friend-links-wrap a:hover {
      background: var(--color-yellow);
      transform: translateY(-2px);
    }

    .qr-card {
      width: 120px;
      border: 2px solid var(--border-dark);
      border-radius: var(--radius-sm);
      overflow: hidden;
      box-shadow: 2px 2px 0 var(--border-dark);
      margin-top: 8px;
      background: #fff;
    }

    .qr-card img {
      width: 100%;
      height: auto;
      display: block;
    }

    .footer-bottom {
      border-top: 2px solid var(--border-dark);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* 浮动客服入口 */
    .float-contact {
      position: fixed;
      right: 20px;
      bottom: 24px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      border: 2.5px solid var(--border-dark);
      box-shadow: var(--shadow-solid);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      cursor: pointer;
      transition: all 0.15s ease;
      background: #fff;
    }

    .float-btn:hover {
      transform: scale(1.08);
      box-shadow: var(--shadow-hover);
    }

    .btn-top {
      background: var(--color-yellow);
    }

    .btn-kefu {
      background: var(--color-cyan);
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .media-showcase {
        grid-template-columns: 1fr;
      }
      .form-layout {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 3px solid var(--border-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
      }
      .nav-links.show {
        display: flex;
      }
      .header-actions {
        display: none;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .banner-row {
        grid-template-columns: 1fr;
      }
    }