        :root {
          --primary-color: #4a6b3a;
          --secondary-color: #8ba888;
          --third-color: #768466;
          --accent-color: #fff0db;
          --light-color: #f8f5f0;
          --dark-color: #2c3e2a;
          --text-color: #333333;
          --text-light: #777777;
          --white: #ffffff;
          --max-width: 1400px;
          --rounded-sm: 4px;
          --rounded: 12px;
          --rounded-lg: 24px;
          --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
          --shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
          --transition: all 0.3s ease;
        }

        * {
          margin: 0;
          padding: 0;
          box-sizing: border-box;
        }

        body {
          font-family: 'Poppins', sans-serif;
          line-height: 1.6;
          color: var(--text-color);
          background-color: var(--light-color);
          display: flex;
          flex-direction: column;
          min-height: 100vh;
        }

        h1,
        h2,
        h3 {
          font-family: 'Playfair Display', serif;
          font-weight: 600;
        }

        .container {
          width: 100%;
          max-width: var(--max-width);
          margin: 0 auto;
          padding: 0 24px;
        }

        header {
          background-color: rgba(255, 255, 255, 0.9);
          position: sticky;
          top: 0;
          z-index: 100;
          padding: 1rem 0;
          box-shadow: var(--shadow-sm);
          border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .logo-title-container {
          display: flex;
          align-items: center;
          gap: 15px;
        }

        .header-container {
          display: flex;
          justify-content: space-between;
          align-items: center;
        }

        header h1 {
          color: var(--primary-color);
          font-size: 1.8rem;
        }

        nav ul {
          display: flex;
          list-style: none;
          gap: 2rem;
        }

        nav a {
          color: var(--dark-color);
          text-decoration: none;
          font-weight: 500;
          transition: var(--transition);
          position: relative;
          padding: 0.5rem 0;
        }

        nav a:after {
          content: '';
          position: absolute;
          bottom: 0;
          left: 0;
          width: 0;
          height: 2px;
          background: var(--primary-color);
          transition: var(--transition);
        }

        nav a:hover:after {
          width: 100%;
        }

        nav a:hover {
          color: var(--primary-color);
        }

        main {
          flex: 1;
          display: flex;
          align-items: center;
          justify-content: center;
          padding: 4rem 0;
        }

        .selling-info-container {
          text-align: center;
          max-width: 700px;
          padding: 3rem;
          background-color: var(--white);
          border-radius: var(--rounded-lg);
          box-shadow: var(--shadow);
          margin: 2rem auto;
        }

        .selling-info-container h2 {
          color: var(--primary-color);
          padding-bottom: 10px;
          margin-bottom: 20px;
        }

        .thank-you-container {
          text-align: center;
          max-width: 700px;
          padding: 3rem;
          background-color: var(--white);
          border-radius: var(--rounded-lg);
          box-shadow: var(--shadow);
          margin: 2rem auto;
        }

        .thank-you-icon {
          font-size: 4rem;
          color: var(--primary-color);
          margin-bottom: 1.5rem;
        }

        .thank-you-container h2 {
          font-size: 2.2rem;
          color: var(--dark-color);
          margin-bottom: 1rem;
        }

        .thank-you-container p {
          font-size: 1.1rem;
          margin-bottom: 2rem;
          color: var(--text-light);
        }

        .btn {
          display: inline-block;
          background: var(--primary-color);
          color: var(--white);
          padding: 0.8rem 2rem;
          border-radius: var(--rounded-sm);
          text-decoration: none;
          font-weight: 500;
          transition: var(--transition);
          margin-top: 1rem;
        }

        .btn:hover {
          transform: translateY(-2px);
          box-shadow: var(--shadow);
          background: var(--dark-color);
        }

        footer {
          background: var(--dark-color);
          color: var(--white);
          padding: 4rem 0 2rem;
          margin-top: auto;
        }

        .footer-grid {
          display: grid;
          grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
          gap: 2rem;
          margin-bottom: 3rem;
        }

        .footer-column h3 {
          font-size: 1.2rem;
          margin-bottom: 1.5rem;
        }

        .footer-column ul {
          list-style: none;
        }

        .footer-column li {
          margin-bottom: 0.8rem;
        }

        .footer-column a {
          color: rgba(255, 255, 255, 0.7);
          text-decoration: none;
          transition: var(--transition);
        }

        .footer-column a:hover {
          color: var(--white);
        }

        .social-links {
          display: flex;
          gap: 1rem;
          margin-top: 1rem;
        }

        .social-links a {
          display: flex;
          align-items: center;
          justify-content: center;
          width: 40px;
          height: 40px;
          background: rgba(255, 255, 255, 0.1);
          border-radius: 50%;
          transition: var(--transition);
        }

        .social-links a:hover {
          background: var(--primary-color);
        }

        .footer-bottom {
          text-align: center;
          padding-top: 2rem;
          border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        @media (max-width: 768px) {
          .header-container {
            flex-direction: column;
            gap: 1rem;
          }

          nav ul {
            gap: 1.5rem;
            flex-wrap: wrap;
            justify-content: center;
          }

          .thank-you-container {
            padding: 2rem;
            margin: 1rem;
          }

          .thank-you-container h2 {
            font-size: 1.8rem;
          }
        }