/* ===================================================
   煜阳网络 2026 改版 - 公共样式 (header / footer / 组件)
   主色: #ff5900
   =================================================== */
:root {
  --main: #ff5900;
  --main-deep: #e04e00;
  --main-light: #fff3ec;
  --dark: #1f2329;
  --text: #333;
  --muted: #888;
  --line: #ececec;
  --bg: #f5f6f8;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font: 14px/1.7 "Microsoft Yahei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: #fff;
}
ul, ol, li, dl, dt, dd, p, h1, h2, h3, h4, h5, h6, form, input, textarea, button { list-style: none; }
a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: var(--main); }
img { border: 0; max-width: 100%; vertical-align: middle; }
.clear { clear: both; }
.nr-w { width: 1200px; margin: 0 auto; }

/* ============ 顶部黑条 ============ */
.nr-topbar { background: var(--dark); color: #bbb; font-size: 12px; height: 34px; line-height: 34px; }
.nr-topbar .nr-w { display: flex; justify-content: space-between; align-items: center; }
.nr-topbar-l { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.nr-topbar-r { display: flex; align-items: center; gap: 18px; }
.nr-topbar-r b { color: #fff; font-weight: normal; }
.nr-topbar-r a { color: #bbb; }
.nr-topbar-r a:hover { color: var(--main); }

/* ============ 主导航 ============ */
.nr-header { background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.06); position: sticky; top: 0; z-index: 900; }
.nr-head-in { display: flex; align-items: center; height: 88px; }
.nr-logo { display: flex; align-items: center; flex-shrink: 0; }
.nr-logo img { height: 56px; width: auto; }
.nr-logo-txt { margin-left: 14px; padding-left: 14px; border-left: 1px solid var(--line); font-size: 14px; color: var(--muted); line-height: 1.5; max-width: 220px; }
.nr-logo-txt h1 { font-size: 14px; font-weight: normal; }
.nr-nav { display: flex; margin-left: auto; }
.nr-nav > li { position: relative; }
.nr-nav > li > a { display: block; padding: 0 22px; line-height: 88px; font-size: 16px; color: var(--text); position: relative; }
.nr-nav > li > a:after { content: ""; position: absolute; left: 50%; bottom: 18px; width: 0; height: 3px; border-radius: 2px; background: var(--main); transform: translateX(-50%); transition: width .25s; }
.nr-nav > li:hover > a, .nr-nav > li.cur > a { color: var(--main); }
.nr-nav > li:hover > a:after, .nr-nav > li.cur > a:after { width: 28px; }
/* 下拉 */
.nr-sub { position: absolute; left: 50%; top: 100%; transform: translateX(-50%) translateY(12px); width: 220px; background: #fff; border-radius: 6px; box-shadow: 0 8px 30px rgba(0,0,0,.12); padding: 10px 0; opacity: 0; visibility: hidden; transition: all .25s; z-index: 950; }
.nr-nav > li:hover .nr-sub { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nr-sub:before { content: ""; position: absolute; top: -6px; left: 50%; margin-left: -6px; width: 12px; height: 12px; background: #fff; transform: rotate(45deg); }
.nr-sub li a { display: block; padding: 9px 22px; font-size: 14px; color: #555; white-space: nowrap; border-left: 3px solid transparent; }
.nr-sub li a:hover { color: var(--main); background: var(--main-light); border-left-color: var(--main); }
.nr-sub li p { padding: 0 22px; font-size: 12px; color: #aaa; display: none; }
/* 头部工具 */
.nr-tools { display: flex; align-items: center; margin-left: 20px; gap: 12px; }
.nr-btn-search { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; cursor: pointer; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4.5-4.5'/%3E%3C/svg%3E") center/18px no-repeat; transition: all .2s; }
.nr-btn-search:hover, .nr-btn-search.on { border-color: var(--main); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff5900' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4.5-4.5'/%3E%3C/svg%3E"); }
.nr-btn-ask { display: inline-block; height: 38px; line-height: 38px; padding: 0 22px; background: var(--main); color: #fff; border-radius: 19px; font-size: 14px; }
.nr-btn-ask:hover { background: var(--main-deep); color: #fff; }
/* 搜索面板 */
.nr-searchbar { background: #fff; border-top: 1px solid var(--line); display: none; }
.nr-searchbar.open { display: block; }
.nr-searchbar form { width: 700px; margin: 0 auto; padding: 22px 0; display: flex; }
.nr-searchbar input[type=text] { flex: 1; height: 44px; border: 2px solid var(--main); border-right: 0; border-radius: 4px 0 0 4px; padding: 0 16px; font-size: 14px; outline: none; }
.nr-searchbar input[type=submit] { width: 110px; height: 44px; border: 0; background: var(--main); color: #fff; font-size: 15px; cursor: pointer; border-radius: 0 4px 4px 0; }
.nr-searchbar input[type=submit]:hover { background: var(--main-deep); }

/* ============ 内页子banner ============ */
.nr-banner { height: 260px; background: var(--dark) url("../images/ban.jpg") center/cover no-repeat; position: relative; }
.nr-banner:before { content: ""; position: absolute; left: 0; top: 0; right: 0; bottom: 0; background: rgba(20,22,26,.55); }
.nr-banner .nr-w { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: center; color: #fff; }
.nr-banner h2 { font-size: 30px; font-weight: bold; letter-spacing: 2px; }
.nr-banner h2 em { font-style: normal; color: var(--main); }
.nr-banner p { margin-top: 8px; color: rgba(255,255,255,.75); font-size: 14px; }
/* 面包屑 */
.nr-crumb { background: #fff; border-bottom: 1px solid var(--line); font-size: 13px; color: #999; }
.nr-crumb .nr-w { height: 52px; display: flex; align-items: center; }
.nr-crumb a { color: #999; }
.nr-crumb a:hover { color: var(--main); }
.nr-crumb span.sep { margin: 0 10px; color: #ccc; }
.nr-crumb strong { color: var(--main); font-weight: normal; }
/* 分类标签条 */
.nr-tabs { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.04); position: sticky; top: 88px; z-index: 800; }
.nr-tabs ul { display: flex; flex-wrap: wrap; }
.nr-tabs a { display: block; padding: 15px 28px; font-size: 15px; color: #555; border-bottom: 2px solid transparent; }
.nr-tabs a:hover, .nr-tabs a.on { color: var(--main); border-bottom-color: var(--main); font-weight: bold; }

/* ============ 通用组件 ============ */
/* 区块标题 */
.nr-title { text-align: center; margin-bottom: 45px; }
.nr-title h2 { font-size: 30px; color: var(--dark); display: inline-block; position: relative; padding: 0 46px; }
.nr-title h2:before, .nr-title h2:after { content: ""; position: absolute; top: 50%; width: 28px; height: 3px; background: var(--main); border-radius: 2px; }
.nr-title h2:before { left: 0; }
.nr-title h2:after { right: 0; }
.nr-title p { margin-top: 10px; color: var(--muted); font-size: 14px; letter-spacing: 3px; text-transform: uppercase; }
/* 按钮 */
.nr-btn { display: inline-block; height: 46px; line-height: 46px; padding: 0 38px; border-radius: 23px; font-size: 15px; cursor: pointer; border: 0; transition: all .2s; text-align: center; }
.nr-btn-main { background: var(--main); color: #fff; }
.nr-btn-main:hover { background: var(--main-deep); color: #fff; box-shadow: 0 6px 18px rgba(255,89,0,.35); }
.nr-btn-line { border: 1px solid #fff; color: #fff; background: transparent; }
.nr-btn-line:hover { background: #fff; color: var(--main); }
.nr-btn-ghost { border: 1px solid var(--main); color: var(--main); background: transparent; }
.nr-btn-ghost:hover { background: var(--main); color: #fff; }
/* 分页 */
.ey_pages { text-align: center; padding: 40px 0 10px; }
.ey_pages ul { display: inline-block; }
.ey_pages ul li { display: inline-block; }
.ey_pages a, .ey_pages span { display: inline-block; min-width: 38px; height: 38px; line-height: 36px; padding: 0 12px; margin: 0 4px; border: 1px solid var(--line); border-radius: 3px; color: #666; font-size: 14px; background: #fff; }
.ey_pages a:hover { border-color: var(--main); color: var(--main); }
.ey_pages span.current { background: var(--main); border-color: var(--main); color: #fff; }
/* 编辑器内容 */
.nr-editor { font-size: 15px; line-height: 2; color: #444; word-break: break-word; }
.nr-editor p { margin-bottom: 12px; }
.nr-editor img { max-width: 100%; height: auto; }
.nr-editor table { border-collapse: collapse; width: 100%; }
.nr-editor td, .nr-editor th { border: 1px solid var(--line); padding: 8px; }

/* ============ 页脚 ============ */
.nr-footer { background: var(--dark); color: #9aa0a8; margin-top: 0; }
.nr-footer-top { display: flex; padding: 56px 0 44px; gap: 40px; }
.nr-foot-col { flex: 1; }
.nr-foot-col h3 { color: #fff; font-size: 17px; margin-bottom: 22px; padding-bottom: 12px; position: relative; }
.nr-foot-col h3:after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 3px; background: var(--main); border-radius: 2px; }
.nr-foot-col li { margin-bottom: 10px; font-size: 13px; }
.nr-foot-col a { color: #9aa0a8; }
.nr-foot-col a:hover { color: var(--main); }
.nr-foot-contact li { display: flex; }
.nr-foot-contact b { color: #ddd; font-weight: normal; }
.nr-foot-about { flex: 1.2; }
.nr-foot-ewm { text-align: center; }
.nr-foot-ewm img { width: 120px; height: 120px; border: 4px solid rgba(255,255,255,.1); border-radius: 6px; }
.nr-foot-ewm p { margin-top: 10px; font-size: 12px; }
.nr-foot-links { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; font-size: 12px; line-height: 2; }
.nr-foot-links dt { float: left; color: #ddd; margin-right: 10px; }
.nr-foot-links a { color: #9aa0a8; margin-right: 14px; }
.nr-foot-copy { background: rgba(0,0,0,.25); padding: 18px 0; font-size: 12px; text-align: center; color: #7c828a; }
.nr-foot-copy a { color: #7c828a; }
.nr-foot-copy a:hover { color: var(--main); }

/* ============ 右侧悬浮 & 返回顶部 ============ */
.nr-fixside { position: fixed; right: 16px; bottom: 90px; z-index: 950; width: 56px; }
.nr-fixside a, .nr-fixside .it { display: block; width: 56px; height: 56px; border-radius: 8px; background: #fff; box-shadow: 0 4px 16px rgba(0,0,0,.12); margin-bottom: 10px; position: relative; cursor: pointer; background-position: center; background-repeat: no-repeat; background-size: 24px; transition: all .2s; }
.nr-fixside a:hover, .nr-fixside .it:hover { background-color: var(--main); }
.nr-fs-qq { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ff5900'%3E%3Cpath d='M12 2a8 8 0 0 0-8 8c0 2.5.8 4.4 2 5.9-.3 1-.9 2.3-1.7 3.1-.3.3-.1.9.4.9 1.6-.1 3-.7 4-1.4 1 .3 2.1.5 3.3.5s2.3-.2 3.3-.5c1 .7 2.4 1.3 4 1.4.5 0 .7-.6.4-.9-.8-.8-1.4-2.1-1.7-3.1 1.2-1.5 2-3.4 2-5.9a8 8 0 0 0-8-8z'/%3E%3C/svg%3E"); }
.nr-fs-qq:hover { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M12 2a8 8 0 0 0-8 8c0 2.5.8 4.4 2 5.9-.3 1-.9 2.3-1.7 3.1-.3.3-.1.9.4.9 1.6-.1 3-.7 4-1.4 1 .3 2.1.5 3.3.5s2.3-.2 3.3-.5c1 .7 2.4 1.3 4 1.4.5 0 .7-.6.4-.9-.8-.8-1.4-2.1-1.7-3.1 1.2-1.5 2-3.4 2-5.9a8 8 0 0 0-8-8z'/%3E%3C/svg%3E"); }
.nr-fs-tel { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ff5900'%3E%3Cpath d='M6.6 10.8c1.4 2.8 3.8 5.1 6.6 6.6l2.2-2.2c.3-.3.7-.4 1-.2 1.1.4 2.3.6 3.6.6.6 0 1 .4 1 1V20c0 .6-.4 1-1 1C10.6 21 3 13.4 3 4c0-.6.4-1 1-1h3.5c.6 0 1 .4 1 1 0 1.2.2 2.4.6 3.6.1.3 0 .7-.2 1l-2.3 2.2z'/%3E%3C/svg%3E"); }
.nr-fs-tel:hover { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M6.6 10.8c1.4 2.8 3.8 5.1 6.6 6.6l2.2-2.2c.3-.3.7-.4 1-.2 1.1.4 2.3.6 3.6.6.6 0 1 .4 1 1V20c0 .6-.4 1-1 1C10.6 21 3 13.4 3 4c0-.6.4-1 1-1h3.5c.6 0 1 .4 1 1 0 1.2.2 2.4.6 3.6.1.3 0 .7-.2 1l-2.3 2.2z'/%3E%3C/svg%3E"); }
.nr-fs-tel:hover .nr-fs-pop, .nr-fs-wx:hover .nr-fs-pop { display: block; }
.nr-fs-wx { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ff5900'%3E%3Cpath d='M8.7 4C4.9 4 2 6.6 2 9.9c0 1.9 1 3.5 2.5 4.6l-.6 2 2.2-1.1c.8.2 1.7.4 2.6.4h.5a5.5 5.5 0 0 1-.2-1.5c0-3.1 2.9-5.6 6.4-5.6h.4C15.2 6 12.3 4 8.7 4zM6.6 7.3a.9.9 0 1 1 0 1.8.9.9 0 0 1 0-1.8zm4.5 0a.9.9 0 1 1 0 1.8.9.9 0 0 1 0-1.8zM16 10.5c-3.2 0-5.8 2.2-5.8 4.9s2.6 4.9 5.8 4.9c.7 0 1.4-.1 2-.3l1.9.9-.5-1.7c1.3-.9 2.2-2.3 2.2-3.8 0-2.7-2.6-4.9-5.8-4.9zm-2.1 2.6a.8.8 0 1 1 0 1.6.8.8 0 0 1 0-1.6zm4.2 0a.8.8 0 1 1 0 1.6.8.8 0 0 1 0-1.6z'/%3E%3C/svg%3E"); }
.nr-fs-wx:hover { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M8.7 4C4.9 4 2 6.6 2 9.9c0 1.9 1 3.5 2.5 4.6l-.6 2 2.2-1.1c.8.2 1.7.4 2.6.4h.5a5.5 5.5 0 0 1-.2-1.5c0-3.1 2.9-5.6 6.4-5.6h.4C15.2 6 12.3 4 8.7 4zM6.6 7.3a.9.9 0 1 1 0 1.8.9.9 0 0 1 0-1.8zm4.5 0a.9.9 0 1 1 0 1.8.9.9 0 0 1 0-1.8zM16 10.5c-3.2 0-5.8 2.2-5.8 4.9s2.6 4.9 5.8 4.9c.7 0 1.4-.1 2-.3l1.9.9-.5-1.7c1.3-.9 2.2-2.3 2.2-3.8 0-2.7-2.6-4.9-5.8-4.9zm-2.1 2.6a.8.8 0 1 1 0 1.6.8.8 0 0 1 0-1.6zm4.2 0a.8.8 0 1 1 0 1.6.8.8 0 0 1 0-1.6z'/%3E%3C/svg%3E"); }
.nr-fs-top { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff5900' stroke-width='2.4'%3E%3Cpath d='M5 14l7-7 7 7'/%3E%3C/svg%3E"); display: none; }
.nr-fs-top.show { display: block; }
.nr-fs-top:hover { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2.4'%3E%3Cpath d='M5 14l7-7 7 7'/%3E%3C/svg%3E"); }
.nr-fs-pop { display: none; position: absolute; right: 66px; top: 50%; transform: translateY(-50%); background: #fff; border-radius: 8px; box-shadow: 0 6px 24px rgba(0,0,0,.15); padding: 10px; white-space: nowrap; }
.nr-fs-pop:after { content: ""; position: absolute; right: -6px; top: 50%; margin-top: -6px; width: 12px; height: 12px; background: #fff; transform: rotate(45deg); box-shadow: 4px -4px 6px rgba(0,0,0,.05); }
.nr-fs-pop img { width: 130px; height: 130px; display: block; }
.nr-fs-pop p { text-align: center; font-size: 12px; color: #666; margin-top: 6px; }
.nr-fs-tel .nr-fs-pop { padding: 12px 18px; }
.nr-fs-tel .nr-fs-pop b { color: var(--main); font-size: 17px; }

/* ============ 需求提交弹窗 ============ */
.nr-modal { display: none; position: fixed; left: 0; top: 0; right: 0; bottom: 0; width: 100%; height: 100%; z-index: 1000; background: rgba(0,0,0,.55); overflow: auto; }
.nr-modal.open { display: block; }
.nr-modal-box { width: 960px; margin: 60px auto; background: #fff; border-radius: 10px; overflow: hidden; display: flex; position: relative; }
.nr-modal-close { position: absolute; right: 14px; top: 10px; font-size: 30px; color: #999; cursor: pointer; line-height: 1; z-index: 5; }
.nr-modal-close:hover { color: var(--main); }
.nr-modal-left { width: 42%; background: var(--dark) url("../images/advbg.jpg") center/cover no-repeat; color: #fff; padding: 40px 34px; position: relative; }
.nr-modal-left:before { content: ""; position: absolute; left: 0; top: 0; right: 0; bottom: 0; background: rgba(31,35,41,.82); }
.nr-modal-left > * { position: relative; }
.nr-modal-left .s1 { font-size: 24px; font-weight: bold; }
.nr-modal-left .s2 { margin: 8px 0 22px; color: rgba(255,255,255,.75); }
.nr-modal-left dl dt, .nr-modal-left dl dd { font-size: 13px; color: rgba(255,255,255,.8); margin-bottom: 14px; line-height: 1.8; }
.nr-modal-left em { font-style: normal; background: var(--main); color: #fff; font-size: 12px; padding: 1px 8px; border-radius: 3px; margin-right: 8px; }
.nr-modal-left span { color: #ffb28a; font-size: 17px; font-weight: bold; }
.nr-modal-left .s4 { border-top: 1px solid rgba(255,255,255,.15); padding-top: 18px; margin-top: 10px; font-size: 13px; color: rgba(255,255,255,.7); }
.nr-modal-left .s4 b { display: block; font-size: 24px; color: #fff; margin-top: 4px; }
.nr-modal-right { flex: 1; padding: 34px 40px 30px; }
.nr-modal-right .bt { font-size: 20px; font-weight: bold; color: var(--dark); margin-bottom: 20px; }
.nr-modal-right ul { display: flex; gap: 14px; margin-bottom: 14px; }
.nr-modal-right ul li { flex: 1; }
.nr-modal-right input[type=text], .nr-modal-right textarea { width: 100%; height: 42px; border: 1px solid #ddd; border-radius: 4px; padding: 0 12px; font-size: 14px; outline: none; margin-bottom: 14px; }
.nr-modal-right input[type=text]:focus, .nr-modal-right textarea:focus { border-color: var(--main); }
.nr-modal-right textarea { height: 90px; padding: 10px 12px; resize: none; }
.nr-modal-right .top_mess_sbt { font-size: 13px; color: #666; margin: 4px 0 8px; }
.nr-modal-right dl { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 14px; }
.nr-modal-right dl label { display: flex; align-items: center; gap: 5px; font-size: 13px; color: #555; cursor: pointer; }
.nr-modal-right input[type=checkbox], .nr-modal-right input[type=radio] { accent-color: var(--main); }
.nr-modal-right .sub-row { display: flex; gap: 14px; margin-top: 6px; }
.nr-modal-right input[type=submit] { flex: 1; height: 44px; border: 0; border-radius: 22px; background: var(--main); color: #fff; font-size: 15px; cursor: pointer; }
.nr-modal-right input[type=submit]:hover { background: var(--main-deep); }
.nr-modal-right .sub-row a { flex: 1; text-align: center; height: 44px; line-height: 42px; border: 1px solid var(--main); color: var(--main); border-radius: 22px; }
.nr-modal-right .sub-row a:hover { background: var(--main-light); }

/* ============ 面包屑内页布局 ============ */
.nr-page-wrap { padding: 40px 0 60px; }