:root {
    --primary-color: #26A9E0; /* Main brand color (淡蓝色) */
    --secondary-color: #FFFFFF; /* Auxiliary color (白色) */
    --text-dark: #333333; /* Dark text for light backgrounds */
    --text-light: #ffffff; /* Light text for dark backgrounds */
    --login-color: #EA7C07; /* Login button specific color */
    --background-color: #FFFFFF; /* Default background */
    --black-color: #000000; /* Black color */
    --border-color: #e0e0e0; /* Light grey border */
    --hover-bg: #f5f5f5; /* Light grey for hover effects */
}

.page-about {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-dark); /* Default text color for light body background */
    background-color: var(--background-color); /* Explicitly set for clarity, though body might be set by shared */
    padding-bottom: 60px; /* Space before footer */
}

.page-about__section {
    padding: 60px 0;
    margin-bottom: 0;
}

.page-about__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}