.stone-sales{ text-align: center; font-size: 18px; line-height: 2; border-top: 3px solid #c6c6c6; padding: 28px 12px;}
.stone-sales .sub-title{ color: #122d9b; font-size: 18px; font-weight: bold; padding: 20px 0 16px;}

.title-corporate{ line-height: 1.5; font-size: 20px; font-weight: bold; border-bottom: 1px solid #c6c6c6; padding: 8px 4px;}
.title-corporate img{ margin-top: -20px; margin-right: 8px;}

.conntent-corporate{ text-align: center; padding: 28px 12px;}
.conntent-times{ font-size: 14px; text-align: left; padding: 28px 12px;}
.conntent-corporate .sub-title{ color: #122d9b; font-size: 18px; font-weight: bold;}
.conntent-corporate h1{ font-size: 30px; line-height: 1.5; padding: 18px 8px 30px;}
.conntent-corporate .management{ font-size: 18px; line-height: 2; padding: 18px 8px; margin-bottom:20px;}
.conntent-corporate img{ width: 100%; margin-bottom:28px;}
.conntent-times img{ width: 100%; margin-bottom:28px;}


.history_txt{
	    font-size: 14px;
    line-height: 2;
}

@media(max-width:720px){
    .stone-sales br{ display: none;}
    .conntent-corporate .management br{ display: none;}
}