:root {
    --bg-color: #f7f3ed;
    --text-dark: #2c3e50;
    --text-green: #2a6f4e;
    --reward-bg: #4a775e;
    --reward-text: #ffffff;
    --button-bg: #f7f3ed; 
    --button-border: #cccccc;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-dark);
    margin: 0;
    width: 100%;
    min-height: 100vh;
    overflow-x: hidden; 
}

.container {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    padding: 40px 20px 60px;
    text-align: center;
    box-sizing: border-box; 
}

/* --- Logo Section Styles --- */
.logo-section {
    padding-bottom: 30px;
}

.tiktok-logo {
    width: 70px; 
    height: 70px;
    margin-bottom: 10px;
}

.team-text {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: 5px;
    color: var(--text-dark);
    text-transform: uppercase;
}

.bonuses-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-green);
    margin: 5px 0 15px 0;
    text-transform: uppercase;
}

.description-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-dark);
    padding: 0 10px;
}

/* --- Reward Section Styles --- */
.reward-section {
    background-color: var(--reward-bg);
    color: var(--reward-text);
    padding: 30px 24px;
    width: 90%; 
    max-width: 520px;
    margin: 0 auto 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.reward-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 15px;
    
    /* ***** 关键优化: 强制文本不换行 ***** */
    white-space: nowrap; 
    /* 可选: 如果文本溢出容器，显示省略号 */
    /* overflow: hidden;
    text-overflow: ellipsis; */
    /* 如果不设置 overflow: hidden，则标题可能会超出容器边界，在手机端可能导致横向滚动条 */
}

.reward-claim {
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 30px;
}

/* --- Claim Button Styles --- */
.claim-button-container {
    text-align: center;
}

.claim-button {
    display: flex;
    align-items: center;
    justify-content: flex-start; 
    text-decoration: none;
    background-color: var(--button-bg); 
    color: var(--text-dark);
    padding: 15px 20px;
    border-radius: 10px;
    border: none; 
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); 
    width: 80%; 
    max-width: 360px;
    margin: 0 auto;
    transition: transform 0.2s;
}

.claim-button:hover {
    transform: translateY(-2px);
}

.app-icon {
    width: 40px; 
    height: 40px;
    margin-right: 15px;
    border-radius: 8px; 
}

.button-text-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start; 
    text-align: left;
}

.tap-to-claim {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.official-offer {
    font-size: 0.8rem;
    color: #888;
}


/* --- Limited Offer Section Styles --- */
.limited-offer-section {
    padding: 0 10px;
    margin-top: 40px;
}

.limited-offer-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.limited-offer-text {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-dark);
    padding: 0 10px;
}

/* --- Countdown Styles --- */
.countdown-container {
    padding: 30px 0 0; 
    margin-top: 30px; 
    background-color: var(--bg-color);
}

.flip-clock {
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
}

.time-group {
    display: flex;
    margin: 0 4px; 
}

.flip-unit {
    position: relative;
    width: 45px; 
    height: 60px; 
    line-height: 60px;
    font-size: 2.5rem; 
    text-align: center;
    color: var(--text-dark);
    background-color: var(--button-bg); 
    border-radius: 8px;
    margin: 0 2px;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    overflow: hidden; 
}

.separator {
    font-size: 2rem;
    color: var(--text-dark);
    line-height: 60px;
    padding: 0 5px; 
}

/* --- Mobile Layout (Optimization) --- */
@media (max-width: 480px) {
    .container {
        padding: 24px 16px 40px; 
        max-width: 100%;
        width: 100%;
        margin: 0;
        box-sizing: border-box;
    }

    .reward-section {
        max-width: 100%;
        width: 100%; 
        padding: 20px 16px;
        box-sizing: border-box;
    }
    
    /* 针对手机端进一步优化标题样式，减小字体，并确保不换行 */
    .reward-title {
        font-size: 1.5rem; 
        white-space: nowrap; 
        /* 确保溢出时隐藏，防止水平滚动条 */
        overflow: hidden; 
        text-overflow: ellipsis; 
    }

    .claim-button {
        width: 90%; 
    }

    .app-icon {
        width: 35px; 
        height: 35px;
    }
    
    .flip-unit {
        width: 35px; 
        height: 50px; 
        line-height: 50px;
        font-size: 1.8rem;
        margin: 0 1px;
    }
    
    .separator {
        font-size: 1.5rem;
        line-height: 50px;
        padding: 0 3px;
    }
}