<DOCUMENT filename="styles.css">
/* 重置默认样式，确保无边距 */
html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    min-height: 100vh;
    font-family: Arial, sans-serif;
    overflow-x: hidden; /* 防止水平滚动条 */
}

body {
    background-color: #f0f0f0 !important;
}

.container {
    position: fixed; /* 强制铺满整个视口 */
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 20px;
    background-image: url('');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
    /* 处理 iOS 安全区域 */
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

.row {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 40px 0;
    text-align: center;
    background-color: transparent;
    padding: 15px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.row h2 {
    color: #fff;
    margin-bottom: 10px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.action-btn {
    display: inline-block;
    padding: 25px 50px;
    font-size: 22px;
    background-color: #a020f0;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    min-width: 300px;
}

.action-btn:hover {
    background-color: #8a2be2;
}

.subtext {
    font-size: 16px;
    color: #fff; /* 改为白色 */
    margin: 10px 0 0 0;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.tip, .contact {
    font-size: 16px;
    color: #fff;
    margin: 10px 0 0 0;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .row {
        margin: 20px 0;
        padding: 10px;
        max-width: 90%;
    }

    .action-btn {
        padding: 1px 3px;
        font-size: 16px;
        min-width: 50%;
    }

    .row h2 {
        font-size: 20px;
    }

    .subtext, .tip, .contact {
        font-size: 14px;
    }
}
</DOCUMENT>