/* ========== 全局重置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    overflow-x: hidden;
}

html {
    background-color: var(--bg-solid);
}

body {
    background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-end) 100%);
    background-color: var(--bg-solid);
    min-height: 100vh;
    min-height: 100dvh;
    padding-top: calc(70px + env(safe-area-inset-top));
    padding-bottom: calc(100px + env(safe-area-inset-bottom));
    position: relative;
    color: var(--text-primary);
    transition: background 0.3s ease;
}

/* ========== 玻璃卡片 ========== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 18px;
    padding: 18px;
    margin-bottom: 16px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px var(--shadow);
}

.container {
    width: 100%;
    padding: 14px;
}

/* ========== 页面切换 ========== */
.page { display: none; }
.page.show { display: block; }

/* ========== 提示文本 ========== */
.tip-text {
    font-size: 12px;
    color: var(--text-hint);
    margin-top: 8px;
    line-height: 1.7;
}

.tip-margin-bottom {
    margin-bottom: 12px;
}

/* ========== 工具类 ========== */
.hidden {
    display: none !important;
}