body {
        font-family: 'Poppins', sans-serif;
        background: linear-gradient(to bottom right, #0D0F1A, #1C1E2A);
        margin: 0;
        padding: 20px;
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 100vh;
        box-sizing: border-box;
        color: #FFFFFF;
    }
    .container {
        background: #1C1E2A;
        border-radius: 16px;
        box-shadow: 0 0 15px rgba(26, 188, 156, 0.15);
        max-width: 420px;
        width: 100%;
        padding: 25px 20px;
        text-align: center;
    }
    .main-display-image {
        width: 100%;
        border-radius: 12px;
        margin-bottom: 20px;
    }
    .reward-progress p {
        font-size: 0.95em;
        margin-bottom: 8px;
        color: #FFFFFF;
        font-weight: 600;
    }
    .progress-bar-container {
        background-color: #333333;
        border-radius: 5px;
        height: 10px;
        overflow: hidden;
    }
    .progress-bar {
        background-color: #01d676;
        width: 33%;
        height: 100%;
    }
    .instructions-header {
        font-size: 1.4em;
        font-weight: 700;
        margin: 25px 0 20px;
        color: #FFFFFF;
    }
    .quick-start-guide {
        background: #2A2C3A;
        border-radius: 12px;
        padding: 20px;
        margin-bottom: 25px;
        text-align: left;
    }
    .quick-start-guide h3 {
        font-size: 1.1em;
        margin-bottom: 15px;
        font-weight: 600;
        color: #01d676;
    }
    .quick-start-guide ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .quick-start-guide li {
        display: flex;
        align-items: start;
        margin-bottom: 15px;
    }
    .quick-start-guide .icon {
        background-color: #01d676;
        color: #0D0F1A;
        font-weight: bold;
        border-radius: 50%;
        width: 24px;
        height: 24px;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-right: 12px;
        font-size: 0.8em;
    }
    .text-main {
        font-weight: 600;
        color: #FFFFFF;
    }
    .text-sub {
        font-size: 0.85em;
        color: #CCCCCC;
    }
    .start-earning-btn {
        display: block;
        background: linear-gradient(to right, #01d676, #17A589);
        color: #0D0F1A;
        padding: 15px;
        border-radius: 30px;
        font-weight: bold;
        font-size: 1.1em;
        text-decoration: none;
        margin: 0 auto 20px;
        transition: background 0.2s;
    }
    .start-earning-btn:hover {
        background: linear-gradient(to right, #17A589, #01d676);
    }
    .footer-text {
        font-size: 0.8em;
        color: #CCCCCC;
        text-align: center;
    }
    .footer-text .lock-icon {
        font-size: 1em;
        margin-right: 5px;
    }