#user-pinyin-input {
    width: 100%;
    max-width: 350px;
    padding: 14px 18px;
    border-radius: 12px;
    border: 1px solid var(--border);
    outline: none;
    font-size: 16px;
    font-family: inherit;
    color: var(--ink);
    background-color: var(--cream);
    transition: all 0.2s ease;
    display: block;
    margin: 0 auto;
}
#user-pinyin-input:focus {
    border-color: var(--terracotta);
    box-shadow: 0 0 0 3px rgba(164, 90, 82, 0.1);
}