* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: "Microsoft YaHei", sans-serif;
      }
      :root {
        --nkm-blue: rgb(60 60 59);
        --nkm-orange: #f37a20;
        --nkm-light: #e8f0f9;
        --nkm-gray: #f5f7fa;
      }
      body {
        min-width: 320px;
        background: #fff;
        color: #333;
      }
      header {
        background: var(--nkm-blue);
        padding: 0;
        position: sticky;
        top: 0;
        z-index: 999;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
      }
      .nav {
        max-width: 90%;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 80px;
      }
      .logo-box {
      display: flex;
      align-items: center;
      gap: 12px;
      background-color: #ffffff;
      height: 80px;
    }

    .logo-img {
      height: 80px;
      width: auto;
      display: block;
      padding: 10px 25px 10px 25px;
    }
      .logo-text {
        color: #fff;
        font-size: 20px;
        font-weight: 600;
        white-space: nowrap;
      }
      .nav-menu {
        display: flex;
        gap: 28px;
      }
      .nav-menu a {
        color: #fff;
        text-decoration: none;
        font-size: 16px;
        transition: color 0.3s;
      }
      .nav-menu a:hover {
        color: var(--nkm-orange);
      }

      .container {
        max-width: 900px;
        margin: 0 auto;
        padding: 60px 5%;
      }
      .form-title {
        font-size: 32px;
        color: var(--nkm-blue);
        text-align: center;
        margin-bottom: 12px;
      }
      .form-desc {
        text-align: center;
        color: #666;
        margin-bottom: 40px;
      }
      .form-wrap {
        background: #f9f9f9;
        padding: 40px;
        border-radius: 12px;
        border: 1px solid #eee;
      }
      .form-item {
        margin-bottom: 24px;
      }
      .form-label {
        display: block;
        margin-bottom: 8px;
        font-weight: 600;
        color: var(--nkm-blue);
      }
      .form-input,
      .form-select,
      .form-textarea {
        width: 100%;
        padding: 12px 15px;
        border: 1px solid #ddd;
        border-radius: 6px;
        font-size: 15px;
      }
      .form-textarea {
        min-height: 120px;
        resize: vertical;
      }
      .submit-btn {
        width: 100%;
        padding: 14px;
        background: var(--nkm-orange);
        color: #fff;
        border: none;
        font-size: 17px;
        font-weight: 600;
        border-radius: 6px;
        cursor: pointer;
      }
      .submit-btn:hover {
        background: #e06c18;
      }
      .footer-top {
        background: var(--nkm-blue);
        color: #fff;
      }
      .footer-row {
        max-width: 1400px;
        margin: 0 auto;
        padding: 50px 5%;
        display: flex;
        flex-wrap: wrap;
        gap: 50px;
      }
      .footer-col {
        flex: 1;
        min-width: 260px;
      }
      .footer-col h4 {
        font-size: 20px;
        margin-bottom: 20px;
        padding-bottom: 10px;
        border-bottom: 2px solid var(--nkm-orange);
        display: inline-block;
      }
      .footer-col p {
        margin-bottom: 10px;
        line-height: 1.7;
      }
      .footer-col a {
        color: #fff;
        text-decoration: none;
      }
      .footer-col a:hover {
        color: var(--nkm-orange);
      }
      footer {
        background: var(--nkm-blue);
        color: #fff;
        text-align: center;
        padding: 24px 5%;
        font-size: 14px;
        /* margin-top: 60px; */
      }