/* 基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f6f8;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
    border: none;
}

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    background: none;
    border: none;
    outline: none;
}

input[type="file"] {
    padding: 0.5em;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 100%;
    font-size: 1rem;
}

/* 容器 */
.wrapper {
    max-width: 960px; /* 缩小最大宽度，使整体更紧凑 */
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
.header {
    background-color:#0026b3;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    padding: 0.8em 0;
    text-align: center;
}

.logo img {
    height: 50px;
    transition: transform 0.3s ease-in-out;
}

.logo img:hover {
    transform: scale(1.05);
}

/* 主体内容 */
.main {
    padding: 2em 0;
}

.title h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    text-align: center;
    margin-bottom: 1.2em;
}

.scope-title h2,
.operation h2 {
    font-size: 1.5rem;
    color: #34495e;
    margin-bottom: 0.2em;
    border-left: 4px solid #3498db;
    padding-left: 10px;
}

.scope-content {
    display: flex;
    flex-direction: row;
    gap: 1.5em;
    align-items: flex-start;
    background-color: #ffffff;
    padding: 1.26em;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.desc p {
    font-size: 1rem;
    color: #555;
    line-height: 1.9;
}

.mark img {
    width: 130px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* 操作步骤 */
.operation {
    margin-top: 2em;
}

.step {
    background-color: #ffffff;
    padding: 1.5em;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.step li {
    display: block;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 0.6em;
}

.step label {
    font-size: 1rem;
    color: #333;
    min-width: 100px;
    font-weight: bold;
}

.opera {
    padding: 5px 30px;
}

.submitBtn {
    display: block;
    padding: 0.5em 1.2em;
    font-size: 0.95rem;
    background-color: #3498db;
    color: white;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.submitBtn:hover {
    background-color: #2980b9;
}

#status {
    font-size: 0.95rem;
    color: #2ecc71;
    font-weight: bold;
}

/* 底部样式 */
footer {
    text-align: center;
    padding: 1.5em 0;
    background-color: #2c3e50;
    color: #aaa;
    font-size: 0.9rem;
}

footer a {
    color: #3498db;
}

.contact-link {
    display: block;
    margin-top: 0.8em;
    color: #ddd;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .scope-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .mark img {
        /* width: 100%; */
    }

    .step li {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5em;
    }
}