body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: #f8f8f8;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
section {
    max-width: 900px;
    margin: 40px auto;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    padding: 40px 30px 30px 30px;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
/* 禁用测试页面的鼠标交互 */
#page-practice{pointer-events:none;user-select:none}
#page-practice input[type="text"]{pointer-events:auto;user-select:auto}
#page-practice button{pointer-events:auto;user-select:auto}
#page-aut1{pointer-events:none;user-select:none}
#page-aut1 input[type="text"]{pointer-events:auto;user-select:auto}
#page-aut1 button{pointer-events:auto;user-select:auto}
#page-aut2{pointer-events:none;user-select:none}
#page-aut2 input[type="text"]{pointer-events:auto;user-select:auto}
#page-aut2 button{pointer-events:auto;user-select:auto}
/* 禁用测试页面的鼠标交互 */
#page-test{pointer-events:none;user-select:none}
#page-test input[type="text"]{pointer-events:auto;user-select:auto}
#page-test button{pointer-events:auto;user-select:auto}
input[type="text"] {
    font-size: 20px;
    margin: 4px 0;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid #ccc;
    width: 320px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}
button {
    font-size: 22px;
    padding: 8px 32px;
    margin: 20px 0 0 0;
    border-radius: 6px;
    border: none;
    background: #1976d2;
    color: #fff;
    cursor: pointer;
    transition: background 0.2s;
    display: block;
    margin-left: auto;
    margin-right: auto;
}
button:active {
    background: #0d47a1;
}
.timer {
    font-size: 32px;
    color: #d32f2f;
    margin: 10px 0 20px 0;
    text-align: center;
}
.title {
    font-size: 44px;
    color: #1976d2;
    margin-bottom: 20px;
    text-align: center;
}
.inst-img {
    max-width: 320px;
    margin: 20px auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    display: block;
}
form {
    width: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 统一的首页信息表单布局 */
.user-form-fields{
    display:flex;
    flex-direction:column;
    gap:16px;
    align-items:center;
    justify-content:center;
    flex-wrap:nowrap;
}
.user-field{display:flex;flex-direction:column;align-items:flex-start}
.user-field label{font-size:16px;color:#333;margin-bottom:6px}
.user-field input[type="text"]{width:260px}

/* 输入网格：每行5个 */
.inputs-grid {
    width: auto;
    display: grid;
    grid-template-columns: repeat(5, max-content);
    gap: 10px 12px;
    align-items: start;
    justify-items: center;
    justify-content: center;
    margin-top: 8px;
}
.grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.grid-item .idx {
    font-size: 14px;
    color: #666;
    margin-bottom: 4px;
}
.inputs-grid input[type="text"] {
    width: 150px; /* 网格下的输入宽度，适配5列 */
}

/* 注视点页面：去除卡片样式，纯+号居中 */
#page-fixation {
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
    max-width: none;
    min-height: 100vh;
}
#page-fixation > div {
    font-size: 96px;
    color: #000;
}
