* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6c63ff;
    --primary-dark: #5548e8;
    --text: #171725;
    --muted: #858595;
    --border: #e7e7ef;
    --bg: #f5f6ff;
}

html, body {
    width: 100%;
    min-height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: #f5f6ff;
    min-height: 100vh;
    min-height: 100dvh;
}

/* 手机页面主体 */
.mobile-container {
    width: 100%;
    max-width: 500px;
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0 auto;
    background:
        radial-gradient(circle at 10% 20%, rgba(108, 99, 255, 0.22), transparent 32%),
        radial-gradient(circle at 90% 80%, rgba(86, 181, 255, 0.20), transparent 32%),
        var(--bg);
    padding: 20px 20px 70px 20px;
}

/* 电脑端 */
@media (min-width: 501px) {
    .mobile-container {
        border-radius: 12px;
        overflow: hidden;
    }
}

.headert {
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0 auto;
    position: relative;
    z-index: 9998;
    margin-bottom: 20px;
}

.nav-logo {
    height: 40px;
    cursor: pointer;
}

.nav-logo img {
    width: 100%;
    height: 100%;
}