.valve-container {max-width: 1200px; margin: 0 auto; padding: 16px; font-family: Arial, Helvetica, sans-serif; color: #222; line-height: 1.8; font-size:16px;}
.main-title {font-size: 28px; font-weight: 700; color: #004b99; margin: 10px 0 20px; border-bottom: 2px solid #004b99; padding-bottom: 8px;}
.sub-heading {font-size: 22px; font-weight: 600; margin: 26px 0 12px; padding-left: 10px; border-left: 4px solid #004b99;}
.img-full {width:100% !important; height:auto !important; display:block !important; margin:12px 0; max-width:100%;}
table {width: 100%; border-collapse: collapse; margin: 14px 0; font-size:16px;}
table th, table td {border: 1px solid #ddd; padding: 11px 8px; text-align: center;}
table th {background-color: #004b99; color: #fff; font-weight: 600; font-size:17px;}
.material-table td {text-align: left;}
.notice-box {background: #fff8e0; border-left: 4px solid #ff9500; padding: 14px; margin-top: 20px; font-size:17px;}
ul li {margin: 8px 0; font-size:16px;}
.feature-list li {margin:10px 0; list-style:disc; padding-left:4px; font-size:16px;}
hr {border: none; border-top: 1px solid #eee; margin: 35px 0;}
.app-box {background:#f0f7ff; padding:15px; margin:20px 0;}