/* Responsive CSS for Mobile and Tablet Devices */

/* Base responsive improvements */
* {
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

/* Container max-width for better scaling */
.header,
.bannerbox,
#focus,
#focus ul,
#focus ul li,
.main,
.main_n,
.footer {
    max-width: 100%;
}

/* Tablet (768px - 1024px) */
@media screen and (max-width: 1024px) {
    .header {
        width: 95%;
        margin: 0 auto;
    }
    
    .header .nav {
        width: 100%;
        background: #880d0f !important;
        background: linear-gradient(to bottom, #a01010, #6b0a0a) !important;
    }
    
    .header .nav ul li {
        width: auto;
        padding: 0 15px;
        font-size: 13px;
    }
    
    .header .nav ul li a {
        color: #fff !important;
    }
    
    .bannerbox,
    #focus,
    #focus ul,
    #focus ul li {
        width: 95%;
        height: auto;
        margin: 10px auto;
    }
    
    .main {
        width: 95%;
        height: auto;
        margin: 15px auto;
    }
    
    .main .about {
        width: 100%;
        margin-right: 0;
        margin-bottom: 20px;
        float: none;
    }
    
    .main .news {
        width: 100%;
        padding-right: 0;
        float: none;
        margin-bottom: 20px;
    }
    
    .main .lingshan {
        width: 100%;
        float: none;
    }
    
    .main_n {
        width: 95%;
    }
    
    .main_n .left {
        width: 100%;
        margin-right: 0;
        margin-bottom: 20px;
        float: none;
    }
    
    .main_n .right {
        width: 100%;
        float: none;
        padding: 10px 15px;
    }
    
    .footer {
        width: 95%;
    }
}

/* Mobile (up to 767px) */
@media screen and (max-width: 767px) {
    body {
        font-size: 14px;
    }
    
    .header {
        width: 100%;
        padding: 0 10px;
    }
    
    .header .logo {
        text-align: center;
        padding: 10px 0;
    }
    
    .header .logo img {
        max-width: 90%;
        height: auto;
    }
    
    /* Mobile Navigation */
    .header .nav {
        width: 100%;
        height: auto;
        background: #880d0f !important; /* Fallback solid color */
        background: linear-gradient(to bottom, #a01010, #6b0a0a) !important;
    }
    
    .header .nav ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .header .nav ul li {
        width: 50%;
        height: auto;
        line-height: 40px;
        padding: 5px;
        font-size: 12px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        background: transparent;
    }
    
    .header .nav ul li a {
        color: #fff !important;
        display: block;
        padding: 5px;
    }
    
    .header .htext {
        display: none; /* Hide login form on mobile */
    }
    
    /* Banner */
    .bannerbox,
    #focus,
    #focus ul,
    #focus ul li {
        width: 100%;
        height: auto;
        min-height: 200px;
    }
    
    #focus .preNext {
        display: none; /* Hide navigation arrows on mobile */
    }
    
    /* Main Content */
    .main {
        width: 100%;
        height: auto;
        padding: 0 10px;
    }
    
    .main .about,
    .main .news,
    .main .lingshan {
        width: 100%;
        margin: 0 0 20px 0;
        float: none;
    }
    
    .main .about .ad,
    .main .about .aboutus {
        width: 100%;
        padding: 10px;
    }
    
    .main .news .newtop {
        width: 100%;
        padding: 10px;
    }
    
    .main .news .newslist1 dl dd {
        width: calc(50% - 14px);
        margin: 7px;
    }
    
    .main .news .newslist1 dl dd img {
        width: 100%;
        height: auto;
    }
    
    .main .news .newslist2 dl dd {
        width: calc(50% - 14px);
    }
    
    /* Article Pages */
    .main_n {
        width: 100%;
        padding: 0 10px;
    }
    
    .main_n .left {
        width: 100%;
        height: auto;
        margin: 0 0 20px 0;
        float: none;
    }
    
    .main_n .right {
        width: 100%;
        float: none;
        padding: 10px;
    }
    
    .main_n .right .list dl img {
        float: none;
        display: block;
        margin: 0 auto 10px;
        width: 100%;
        max-width: 300px;
        height: auto;
    }
    
    .main_n .right .piclist {
        width: 100%;
        margin: 10px 0;
        float: none;
    }
    
    .main_n .right .piclist dl dt img {
        width: 100%;
        height: auto;
    }
    
    .main_n .right .content img {
        max-width: 100% !important;
        height: auto !important;
    }
    
    /* Footer */
    .footer {
        width: 100%;
        height: auto;
        padding: 20px 10px;
    }
    
    .footer p {
        font-size: 12px;
        padding-top: 20px;
    }
    
    /* Tables */
    table {
        width: 100%;
        overflow-x: auto;
        display: block;
    }
    
    /* Forms */
    input[type="text"],
    input[type="password"],
    textarea {
        max-width: 100%;
    }
}

/* Small Mobile (up to 480px) */
@media screen and (max-width: 480px) {
    body {
        font-size: 13px;
    }
    
    .header .nav ul li {
        width: 100%;
        text-align: center;
    }
    
    .main .news .newslist1 dl dd,
    .main .news .newslist2 dl dd {
        width: 100%;
        margin: 10px 0;
    }
    
    .main_n .right .title {
        font-size: 16px;
        padding-left: 8px;
    }
    
    .main_n .right .list dl dt {
        font-size: 16px;
        line-height: 28px;
    }
}

/* Landscape orientation adjustments */
@media screen and (max-width: 767px) and (orientation: landscape) {
    .bannerbox,
    #focus,
    #focus ul,
    #focus ul li {
        min-height: 150px;
    }
}

/* Print styles */
@media print {
    .header .nav,
    .header .htext,
    #focus .preNext {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .main,
    .main_n {
        width: 100%;
    }
}