.laser-title-page h1 {
    display: flex;
    flex-direction: column;
    text-align: center;
    color: #34836b;
}

.laser-definition, .laser-way-of-working, .laser-main-advantages,
.laser-suitable-states, .conclusion-of-laser {
    max-width: 1000px;
    margin: 4em auto;
    padding: 2em;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    background: linear-gradient(to right, #d7e8d7, #a8c7ae, #eaf4ea);
}

.laser-definition h4, .laser-way-of-working h4, .laser-main-advantages h4,
.laser-suitable-states h4, .conclusion-of-laser h4{
    font-size: 24px;
    color: #34836b; /* same calm deep blue */
    margin-bottom: 1em;
    border-bottom: 2px solid #187566; /* underline heading */
    padding-bottom: 0.3em;
    width: 100%;
    text-align: left;
}

.laser-definition p, .laser-way-of-working p, .laser-main-advantages p,
.laser-suitable-states p, .conclusion-of-laser p{
    max-width: 900px;
    font-size: 14px;
    line-height: 1.6;
    color: #555;
}

.laser-suitable-states p {
    padding-bottom: 1em;
}

.laser-definition ul, .laser-main-advantages ul {
    font-size: 14px;
    margin-bottom: 2em;
    line-height: 1.6;
    text-align: left;
    list-style-position: inside;
    color: #555;
}

.laser-definition li, .laser-main-advantages li {
    margin-bottom: 0.5em;
}

.laser-definition h4:not(:first-child) {
    margin-top: 3em;
    padding-top: 2em;
    border-top: 1px solid #ddd;
}