:root {
    --bg-1: #f8f9fa;
    --bg-2: #f1f3f5;
    --text-1: #0f172a;
    --text-2: #334155;
    --accent-1: #6366f1;
    --accent-2: #22d3ee;
    --card-bg: #ffffff;
    --card-bd: #e5e7eb;
    --shadow-1: 0 20px 40px -20px rgba(2, 10, 25, 0.25);
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text-1);
    background: var(--bg-1);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4vh 2vw;
    gap: 24px;
    /* 多张卡片之间的间距 */
    overflow-y: auto;
}