/* Extracted from kak-prohodit-restavratsiya-nalivnym-akrilom.html block 1 */
body {
    margin: 0;
    background: #F7F9FC;
    font-family: Arial, sans-serif;
    color: #2a2a2a;
    line-height: 1.65;
}

/* Левый сайдбар */
.sidebar {
    width: 260px;
    background: #0F4C81;
    height: 100vh;
    padding: 20px;
    box-sizing: border-box;
    position: fixed;
    top: 0; left: 0;
}
.sidebar-logo img { width: 160px; }
.sidebar-phone {
    color:#fff;
    display:block;
    margin:20px 0;
    font-weight:bold;
    font-size:18px;
}
.menu-block { margin-top:85px; }
.menu-link {
    display:flex;
    align-items:center;
    padding:10px 0;
    color:#fff;
    text-decoration:none;
    font-size:16px;
}
.menu-link:hover { opacity:0.7; }

/* Контент */
.content {
    margin-left: 300px;
    padding: 40px 40px 100px;
}

.article-wrapper {
    max-width: 1000px;
    margin: auto;
    background: #ffffff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 35px rgba(0,0,0,0.07);
}

.article-wrapper h1 {
    font-size: 32px;
    margin-bottom: 25px;
    color: #1C3557;
    line-height: 1.3;
}

.article-wrapper h2 {
    font-size: 26px;
    margin-top: 45px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid #E4ECF5;
    color: #12355B;
}

.article-wrapper h3 {
    font-size: 20px;
    margin-top: 30px;
    color: #234;
}

/* Фото-блоки */
.photo-block {
    margin: 35px 0;
    text-align: center;
}
.photo-block img {
    width:100%;
    border-radius:16px;
    box-shadow:0 10px 25px rgba(0,0,0,0.1);
}
.photo-caption {
    font-size:14px;
    margin-top:10px;
    color:#555;
    font-style: italic;
}

/* Инфоблоки */
.infobox-blue {
    background: #E7F6FF;
    border-left: 6px solid #0F4C81;
    padding: 18px 22px;
    border-radius: 12px;
    margin: 35px 0;
}

.infobox-gray {
    background: #F2F2F2;
    border-left: 6px solid #BBBBBB;
    padding: 18px 22px;
    border-radius: 12px;
    margin: 35px 0;
}

/* Списки */
ul { padding-left:22px; }
ul li { margin-bottom:8px; }

/* Мобильная версия */
.mobile-topbar {
    display:none;
}

@media(max-width:900px) {

    .sidebar { display:none; }

    .mobile-topbar {
        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:12px;
        background:#0F4C81;
        padding:10px 12px;
        position:fixed;
        top:0; left:0; width:100%;
        z-index:999;
        box-sizing:border-box;
    }

    .mobile-topbar img {
        height:38px;
        flex-shrink:0;
    }

    .mobile-phone {
        color:#fff;
        font-size:14px;
        text-decoration:none;
        white-space:nowrap;
        flex-shrink:1;
    }

    .burger-top {
        flex-shrink:0;
        cursor:pointer;
    }

    .burger-top div {
        width:26px; height:3px; background:#fff; margin:5px 0;
    }

    .top-mobile-menu {
        position:fixed;
        top:60px; left:0; width:100%;
        background:#0F4C81;
        padding:10px 20px;
        display:none;
        flex-direction:column;
    }
    .top-mobile-menu a {
        color:#fff;
        text-decoration:none;
        padding:12px 0;
        border-bottom:1px solid rgba(255,255,255,0.2);
    }
    .top-mobile-menu.active { display:flex; }

    .content {
        margin:0; padding:100px 20px;
    }
}