* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

body {
    background: #f5f7fa;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 20px;
}

.container {
    background: white;
    padding: 2rem;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 900px;
}

/* 主页导入按钮样式（与之前漫画卡片同尺寸） */
.import-button {
    background: linear-gradient(145deg, #0066ff, #0050cc);
    color: white;
    border: none;
    border-radius: 16px;
    width: 100%;
    aspect-ratio: 1 / 1.2; /* 与之前漫画卡片比例一致 */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(0,102,255,0.4);
    transition: transform 0.2s, box-shadow 0.2s;
    margin-bottom: 20px;
}

.import-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,102,255,0.6);
}

.import-hint {
    font-size: 1rem;
    color: #666;
    text-align: center;
    margin-bottom: 10px;
}

/* 版权信息样式 */
.copyright {
    font-size: 0.8rem;
    color: #999;
    text-align: center;
    margin-top: 20px;
    padding-top: 10px;
    border-top: 1px solid #eee;
}

/* 通用按钮和输入框样式 */
input, button {
    width: 100%;
    padding: 12px 16px;
    margin: 8px 0;
    border: 1px solid #ddd;
    border-radius: 40px;
    font-size: 16px;
    outline: none;
    transition: 0.2s;
}

input:focus {
    border-color: #0070f3;
}

button {
    background: #0070f3;
    color: white;
    border: none;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background: #0051b3;
}
/* 登录框样式（与之前 login.html 中的样式一致） */
.login-box {
    background: white;
    padding: 2rem;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    margin: auto;
}

/* 用户区域链接 */
#user-area a {
    color: #0070f3;
    text-decoration: none;
}
#user-area a:hover {
    text-decoration: underline;
}

/* 版权信息 */
.copyright {
    font-size: 0.8rem;
    color: #999;
    text-align: center;
    margin-top: 30px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}