.info-doc {
    max-width: 1080px;
    margin: 24px auto 56px;
    padding: 0 16px;
    color: #24303c;
    font-size: 16px;
    line-height: 1.75;
    overflow-wrap: break-word;
    word-break: break-word;
}

.info-doc * {
    max-width: 100%;
}

.info-doc img {
    height: auto;
}

.info-doc .info-head {
    border-bottom: 2px solid #c1041c;
    padding-bottom: 14px;
    margin-bottom: 20px;
}

.info-doc h1 {
    font-size: 28px;
    line-height: 1.3;
    font-weight: 700;
    color: #17232f;
    margin: 0 0 6px;
}

.info-doc .info-sub {
    color: #667;
    font-size: 14px;
    margin: 0;
}

.info-doc .info-updated {
    color: #8a94a0;
    font-size: 13px;
    margin-top: 6px;
}

.info-doc h2 {
    font-size: 19px;
    font-weight: 700;
    color: #17232f;
    margin: 30px 0 10px;
    scroll-margin-top: 90px;
}

.info-doc h3 {
    font-size: 16px;
    font-weight: 600;
    color: #2b3a48;
    margin: 18px 0 8px;
}

.info-doc p {
    margin: 0 0 12px;
}

.info-doc ul,
.info-doc ol {
    margin: 0 0 12px;
    padding-left: 22px;
}

.info-doc li {
    margin-bottom: 6px;
}

/* display:inline!important vì CSS toàn site ép a{display:block} -> link trong đoạn văn bị xuống dòng. */
.info-doc a {
    display: inline !important;
    color: #c1041c;
    text-decoration: none;
}

.info-doc a:hover {
    text-decoration: underline;
}

.info-doc strong,
.info-doc b {
    color: #17232f;
}

/* Mục lục */
.info-doc .info-toc {
    background: #f5f7fa;
    border: 1px solid #e3e8ee;
    border-radius: 8px;
    padding: 16px 20px;
    margin: 0 0 26px;
}

.info-doc .info-toc h2 {
    margin: 0 0 8px;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: .3px;
    color: #55616e;
}

.info-doc .info-toc ol {
    margin: 0;
    padding-left: 20px;
}

.info-doc .info-toc li {
    margin-bottom: 4px;
}

/* Khối lưu ý nổi bật */
.info-doc .info-note {
    background: #fff7f7;
    border: 1px solid #f3d2d2;
    border-left: 3px solid #c1041c;
    border-radius: 6px;
    padding: 12px 16px;
    margin: 0 0 16px;
    font-size: 15px;
}

/* Bảng (nếu có) */
.info-doc table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 16px;
    font-size: 15px;
}

.info-doc th,
.info-doc td {
    border: 1px solid #e3e8ee;
    padding: 8px 12px;
    text-align: left;
    vertical-align: top;
}

.info-doc th {
    background: #f5f7fa;
    font-weight: 600;
}

@media (max-width: 640px) {
    .info-doc {
        font-size: 15px;
        margin: 16px auto 40px;
    }

    .info-doc h1 {
        font-size: 23px;
    }

    .info-doc h2 {
        font-size: 17px;
    }
}