/* ===== 全站公共样式（PHP 版）===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: Arial, "宋体", "Microsoft YaHei", sans-serif;
    font-size: 12px;
    color: #333;
    background-color: #1a4477;
    background-image: url(images/cccccccccccc.gif);
}

a { color: #4d8db8; text-decoration: none; }
a:hover { color: #d23333; }

.site-wrap {
    width: 1003px;
    margin: 0 auto;
    background: url(images/erw.gif) repeat-x top center #fff;
    padding-bottom: 0;
}

/* 顶部 Logo */
.top-logo { width: 1003px; height: 79px; display: flex; }
.top-logo img { display: block; }

/* 主导航（原版 po_01~po_08 图片导航） */
.main-nav {
    background: #013766;
    display: flex;
    align-items: center;
    height: 76px;
}
.nav-inner {
    display: flex;
    gap: 0;
    margin: 0 auto;
}
.nav-inner img { display: block; }

/* 每页 Banner */
.page-banner { width: 1003px; height: 244px; }
.page-banner img { display: block; width: 1003px; height: 244px; }

/* 内容区 */
.content {
    display: flex;
    gap: 18px;
    padding: 18px 14px 26px;
    background: #fff;
    min-height: 430px;
}

/* 左栏 */
.left-col { width: 240px; flex: 0 0 240px; }
.left-title {
    background: #006fa1;
    color: #fff;
    font-weight: bold;
    letter-spacing: 3px;
    padding: 9px 14px;
}
.left-prod {
    list-style: none;
    background: #eef4fb;
    border: 1px solid #c6d7e8;
    padding: 6px 0;
}
.left-prod li { border-bottom: 1px dashed #c6d7e8; }
.left-prod li:last-child { border-bottom: none; }
.left-prod a { display: block; padding: 10px 14px; color: #1a4477; }
.left-prod a:hover { background: #dbe7f5; color: #d23333; }
.left-contact { margin-top: 14px; }
.left-contact-box {
    background: #eef4fb;
    border: 1px solid #c6d7e8;
    padding: 12px 14px;
    line-height: 22px;
    color: #1a4477;
}
.left-contact-box span { color: #006fa1; font-weight: bold; }

/* 右栏 */
.main-col { flex: 1; min-width: 0; }

/* ===== 首页三栏布局（还原原版版式）===== */
.home-cols {
    display: flex;
    gap: 16px;
    padding: 16px 14px 26px;
    background: #fff;
    min-height: 430px;
}
.home-left  { width: 300px; flex: 0 0 300px; }
.home-mid   { flex: 1; min-width: 0; }
.home-right { width: 254px; flex: 0 0 254px; }

/* 左栏：产品介绍 */
.home-prod-img { width: 100%; display: block; border: 1px solid #c6d7e8; margin: 10px 0 8px; }
.home-prod-title { font-weight: bold; color: #006fa1; line-height: 1.5; }
.home-prod-desc { line-height: 1.9; color: #444; margin-top: 6px; text-align: justify; }
.more-link { text-align: right; margin-top: 10px; }
.more-link a { color: #006fa1; font-weight: bold; }

/* 右栏：联系我们 */
.home-contact { margin-top: 12px; }
.home-contact-item { line-height: 2; color: #1a4477; font-size: 12px; }
.home-contact-item b { color: #006fa1; }
.home-message-btn { display: block; text-align: center; margin-top: 14px; }
.home-message-btn a {
    display: block; background: #006fa1; color: #fff; padding: 9px 0;
    letter-spacing: 4px; border-radius: 3px;
}
.home-message-btn a:hover { background: #005a85; }

/* 栏目标题条 */
.col-title {
    background: #006fa1;
    color: #fff;
    padding: 9px 14px;
    font-weight: bold;
    letter-spacing: 2px;
    margin-bottom: 14px;
}

/* 新闻列表 */
.news-list { list-style: none; }
.news-list li {
    padding: 9px 4px;
    border-bottom: 1px dashed #c6d7e8;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}
.news-list li a { color: #1a4477; }
.news-list li .date { color: #888; white-space: nowrap; }

/* 内容正文 */
.article-body { line-height: 2; font-size: 13px; color: #333; }
.article-body p { margin-bottom: 8px; text-indent: 2em; }

/* 产品数据表 */
.data-table {
    border-collapse: collapse;
    background: #fff;
    margin-top: 6px;
}
.data-table th, .data-table td {
    border: 1px solid #9ac;
    padding: 7px 12px;
    text-align: center;
    font-size: 12px;
}
.data-table th { background: #006fa1; color: #fff; }
.data-table tr:nth-child(odd) td { background: #eef6fc; }

/* 表单（留言 / 订单） */
.gbook-form { max-width: 640px; }
.gbook-form .row { display: flex; align-items: center; margin-bottom: 12px; }
.gbook-form .row label { width: 110px; color: #1a4477; font-weight: bold; }
.gbook-form .row label em { color: #d23333; font-style: normal; }
.gbook-form input[type=text],
.gbook-form input[type=password],
.gbook-form textarea {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid #9ac;
    font-size: 12px;
    font-family: inherit;
}
.gbook-form textarea { resize: vertical; }
.gbook-form .row-btn { display: flex; gap: 12px; }
.gbook-form .btn {
    border: 1px solid #006fa1;
    background: #006fa1;
    color: #fff;
    padding: 7px 22px;
    cursor: pointer;
    font-size: 13px;
}
.gbook-form .btn:hover { background: #005a85; }
.gbook-msg {
    background: #eef4fb;
    border: 1px solid #c6d7e8;
    padding: 14px 18px;
    margin-bottom: 18px;
    line-height: 1.9;
}
.gbook-msg .head { font-weight: bold; color: #006fa1; }
.gbook-msg .date { color: #888; font-size: 12px; }
.gbook-msg .reply { margin-top: 8px; padding-left: 14px; border-left: 3px solid #9ac; }

/* 后台入口（页脚） */
.footer-admin { margin-top: 4px; }

/* 分页 */
.pager {
    text-align: right;
    padding: 12px 4px;
    color: #ff3300;
}
.pager a { margin: 0 2px; color: #4d8db8; }

/* 返回顶部/错误提示 */
.notice { text-align:center; color:#ff3300; padding: 14px; }

/* 页脚 */
.site-footer {
    background: #013766;
    color: #cfe3ff;
    text-align: center;
    padding: 16px 10px;
    line-height: 22px;
}
.footer-links { margin-bottom: 8px; }
.footer-links a { color: #eaf4ff; margin: 0 8px; }
.footer-links a:hover { color: #fff; text-decoration: underline; }