:root {
    --bg-main: #f7f7fa;
    --text-primary: #1f1f1f;
    --text-secondary: #6a6a6a;
    --accent-bg: #f0f0f4;
    --font-main: Arial, Helvetica, sans-serif;
}

body {
    background-color: var(--bg-main);
    font-family: var(--font-main);
    margin: 0;
    padding: 0;
}

.container {
    width: 75%;
    max-width: 900px;
    background-color: #ffffff;
    margin: 50px auto;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid #dcdcdc;
}

@media (max-width: 650px) {
    .container {
        width: 100%;
        margin: 0;
        border-radius: 0;
    }
}

.back-link {
    display: inline-block;
    margin-bottom: 24px;
    color: var(--text-secondary);
    font-size: 15px;
    text-decoration: none;
}

.back-link:hover {
    text-decoration: underline;
}

.profile-card {
    padding: 28px 0;
    border-bottom: 1px solid #e0e0e0;
}

.profile-photo {
    width: 200px;
    height: 200px;
    border-radius: 20px;
    object-fit: cover;
    display: inline-block;
    margin-right: 28px;
}

.profile-info {
    display: inline-block;
    vertical-align: top;
    width: calc(100% - 250px);
}

@media (max-width: 650px) {
    .profile-info {
        width: 100%;
        margin-top: 16px;
    }
}

.profile-info h2 {
    margin: 0 0 6px 0;
    color: var(--text-primary);
    font-size: 26px;
    font-weight: 700;
}

.profile-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.45;
}

.section {
    padding: 28px 0;
}

.section h3 {
    margin: 0 0 10px 0;
    color: var(--text-primary);
    font-size: 19px;
    font-weight: 600;
}

.section p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.5;
}

.role-box {
    background-color: var(--accent-bg);
    padding: 20px;
    border-radius: 12px;
}

.role-box h4 {
    margin: 0 0 8px 0;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
}

.role-box p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.45;
}