/* =========================================================
   国智众航 · M481 风格样式表
   设计语言：深蓝主色 #0a3a6b（Logo 同系深蓝）/ 浅灰背景 / 深色页脚
   替代原 style.css + brand.css，统一全站视觉
   ========================================================= */
:root{
  --m481:#0a3a6b;          /* 主色 - Logo同系深蓝(更深) */
  --m481-d:#062a4c;        /* 主色加深(hover) */
  --m481-l:#e6eef9;        /* 主色浅底 */
  --ink:#333;              /* 主文字 */
  --ink-2:#555;            /* 次文字 */
  --ink-3:#777;            /* 辅助文字 */
  --ink-4:#999;            /* 最浅文字 */
  --line:#e8ecf1;          /* 描边 */
  --bg-soft:#f5f7fa;       /* 浅灰底 */
  --bg-soft2:#f7f9fa;      /* 次浅灰 */
  --foot:#243038;          /* 页脚底 */
  --foot-cp:#1c272e;       /* 版权底 */
  --radius:6px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:var(--ink-2);background:#fff;font-size:14px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:color .2s}
img{display:block;max-width:100%}
ul,ol{list-style:none}
.w1200{width:1200px;margin:0 auto}
.clear{zoom:1}
.clear:after{content:"";display:block;clear:both}

/* ============ 顶栏 ============ */
.h_top{background:#fff;border-bottom:1px solid var(--line)}
.h_top .w1200{display:flex;align-items:center;justify-content:space-between;height:84px}
.logo img{height:54px}
.h_top .hot{display:flex;align-items:center;gap:22px}
.h_top .hot .k{font-size:13px;color:var(--ink-4)}
.h_top .hot .k b{color:#e94f4f;font-size:21px;font-weight:700;margin-left:4px}
.head_sns{display:flex;gap:10px;margin-left:18px}
.head_sns li a{width:36px;height:36px;border-radius:50%;background:var(--m481-l);color:var(--m481);display:flex;align-items:center;justify-content:center;transition:.25s}
.head_sns li a:hover{background:var(--m481);color:#fff;transform:translateY(-2px);box-shadow:0 6px 16px rgba(10,58,107,.3)}

/* ============ 导航 ============ */
.ly_nav{background:var(--m481);position:relative;z-index:30}
.ly_nav .w1200{display:flex;align-items:stretch;justify-content:space-between}
.nav_ul{display:flex;list-style:none}
.nav_item{position:relative}
.nav_item>a{display:flex;align-items:center;height:56px;padding:0 26px;color:#fff;font-size:16px;transition:.2s;white-space:nowrap}
.nav_item.on>a,.nav_item>a:hover{background:var(--m481-d)}
.nav_item .sub{position:absolute;left:0;top:100%;min-width:180px;background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.12);opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s;z-index:40}
.nav_item:hover .sub{opacity:1;visibility:visible;transform:translateY(0)}
.nav_item .sub li a{display:block;padding:0 20px;line-height:42px;color:var(--ink-2);font-size:14px;border-bottom:1px solid #f2f4f7}
.nav_item .sub li a:hover{background:var(--m481-l);color:var(--m481);padding-left:26px}
.h_search_toggle{display:flex;align-items:center;color:rgba(255,255,255,.85);cursor:pointer;padding:0 18px;font-size:14px;border-left:1px solid rgba(255,255,255,.18)}
.h_search_toggle:hover{color:#fff}

/* ============ Swiper 基础（内嵌，无需额外引入 swiper.css） ============ */
.swiper-container{margin:0 auto;position:relative;overflow:hidden;list-style:none;padding:0;z-index:1}
.swiper-wrapper{position:relative;width:100%;height:100%;z-index:1;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-transition-property:-webkit-transform;transition-property:-webkit-transform;-o-transition-property:transform;transition-property:transform, -webkit-transform;-webkit-box-sizing:content-box;box-sizing:content-box}
.swiper-wrapper{-webkit-transform:translate3d(0,0,0);transform:translate3d(0,0,0)}
.swiper-slide{-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;width:100%;height:relative;position:relative}
.swiper-button-next,.swiper-button-prev{position:absolute;top:50%;width:36px;height:36px;margin-top:-22px;z-index:10;cursor:pointer;background-size:18px 18px;background-position:center;background-repeat:no-repeat;color:#fff;border:none;font-size:20px;line-height:36px;text-align:center;opacity:.7;transition:opacity .2s}
.swiper-button-next:hover,.swiper-button-prev:hover{opacity:1}
.swiper-button-next{right:12px;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 27 44'%3E%3Cpath d='M8.5 0L7 1.5 19.5 14H0v3h19.5L7 29.5 8.5 31l15-15L8.5 0z' fill='%23fff'/%3E%3C/svg%3E")}
.swiper-button-prev{left:12px;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 27 44'%3E%3Cpath d='M0 14l8.5-8.5L10 4.5.5 14H21v3H.5L10 27.5 8.5 26 0 18V14z' fill='%23fff'/%3E%3C/svg%3E")}
.swiper-pagination{position:absolute;text-align:center;-webkit-transition:opacity .3s;-o-transition:opacity .3s;transition:opacity .3s;-webkit-transform:translate3d(0,0,0);transform:translate3d(0,0,0);z-index:10}
.swiper-pagination-bullet{display:inline-block;width:10px;height:10px;border-radius:100%;background:#000;opacity:.2;cursor:pointer;margin:0 6px}
button.swiper-pagination-bullet{border:none;padding:0}

/* ============ Banner ============ */
.apple-banner{position:relative;height:460px;overflow:hidden;background:#0c1f24}
.apple-banner .swiper-slide img{width:100%;height:460px;object-fit:cover;display:block}
.apple-banner .swiper-pagination-bullet{background:#fff;opacity:.6;width:10px;height:10px}
.apple-banner .swiper-pagination-bullet-active{background:var(--m481);opacity:1;width:26px;border-radius:6px}
.apple-banner .swiper-button-next,.apple-banner .swiper-button-prev{color:#fff;opacity:.7}
.apple-banner .swiper-button-next:hover,.apple-banner .swiper-button-prev:hover{opacity:1}
.ban_tag{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center;color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.55);z-index:5;width:90%}
.ban_tag h1{font-size:42px;letter-spacing:4px;font-weight:700}
.ban_tag p{font-size:18px;margin-top:14px;opacity:.92;letter-spacing:2px}

/* ============ 搜索条 ============ */
.h_search{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:14px 0}
.h_search .w1200{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.h_search .bd{color:var(--ink-4);font-size:14px}
.h_search .bd a{display:inline-block;color:var(--ink-3);margin:0 8px;font-size:14px}
.h_search .bd a:hover{color:var(--m481)}
.search{display:flex}
.search .input{width:260px;height:38px;border:1px solid #ddd;border-right:none;padding:0 12px;color:var(--ink-4);outline:none;border-radius:4px 0 0 4px}
.search .input:focus{border-color:var(--m481)}
.search .submit{width:46px;height:38px;border:none;border-radius:0 4px 4px 0;background:var(--m481) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='white' viewBox='0 0 24 24'><path d='M15.5 14h-.79l-.28-.27a6.5 6.5 0 10-.7.7l.27.28v.79l5 5L20.49 19l-5-5zm-6 0A4.5 4.5 0 1114 9.5 4.5 4.5 0 019.5 14z'/></svg>") center/18px no-repeat;cursor:pointer}

/* ============ 公共标题 ============ */
.h_public_title{text-align:center;padding:50px 0 30px}
.h_public_title p{font-size:13px;letter-spacing:4px;color:#c2c8cf;text-transform:uppercase}
.h_public_title span{display:inline-flex;align-items:center;gap:16px;margin-top:8px}
.h_public_title span em{width:42px;height:2px;background:var(--m481);display:inline-block}
.h_public_title span i{font-style:normal;font-size:28px;color:var(--ink);font-weight:700;letter-spacing:1px}
.h_public_title2{text-align:left}
.h_public_title2 span{justify-content:flex-start}
.h_public_title2 .more{margin-left:auto;color:var(--ink-4);font-size:14px;font-weight:400;letter-spacing:0}

/* ============ 数据概览条 ============ */
.h_stats{background:linear-gradient(120deg,#0a3a6b,#062a4c);padding:38px 0}
.h_stats .w1200{display:flex;gap:0}
.h_stats .st_item{flex:1;text-align:center;color:#fff;position:relative}
.h_stats .st_item+.st_item:before{content:"";position:absolute;left:0;top:18%;height:64%;width:1px;background:rgba(255,255,255,.25)}
.h_stats .st_num{font-size:38px;font-weight:700;line-height:1.2}
.h_stats .st_num small{font-size:18px;font-weight:400;margin-left:2px}
.h_stats .st_lab{font-size:14px;opacity:.9;margin-top:6px;letter-spacing:1px}

/* ============ 产品宫格 ============ */
.h_product_box{background:#fff;padding-bottom:34px}
.h_pro_list{display:flex;flex-wrap:wrap;margin:0 -10px}
.h_pro_list li{width:33.333%;padding:10px;list-style:none}
.h_pro_list .pic{display:block;overflow:hidden;border-radius:var(--radius);position:relative;background:var(--bg-soft)}
.h_pro_list .pic img{width:100%;height:230px;object-fit:cover;transition:.45s}
.h_pro_list .pic:hover img{transform:scale(1.08)}
.h_pro_list .pic .iblock{position:absolute;inset:0;background:rgba(10,58,107,0);transition:.3s}
.h_pro_list .pic:hover .iblock{background:rgba(10,58,107,.16)}
.h_pro_list .wz{padding:16px 6px 4px;display:flex;justify-content:space-between;align-items:center}
.h_pro_list .tlt{font-size:17px;color:var(--ink);font-weight:600}
.h_pro_list .tlt:hover{color:var(--m481)}
.h_pro_list .more{color:var(--m481);font-size:14px;white-space:nowrap}
.h_more{display:block;width:168px;margin:26px auto 0;text-align:center;line-height:44px;border:1px solid var(--m481);color:var(--m481);border-radius:4px;transition:.25s}
.h_more:hover{background:var(--m481);color:#fff;box-shadow:0 8px 18px rgba(10,58,107,.28)}

/* ============ 核心业务 ============ */
.biz_box{background:var(--bg-soft2);padding:46px 0 40px}
.biz_grid{display:flex;flex-wrap:wrap;margin:0 -10px}
.biz_grid li{width:25%;padding:10px;list-style:none}
.biz_grid a{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 18px;text-align:center;transition:.25s;height:100%}
.biz_grid a:hover{border-color:var(--m481);box-shadow:0 10px 26px rgba(10,58,107,.12);transform:translateY(-4px)}
.biz_ic{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;background:var(--m481-l);color:var(--m481);margin-bottom:16px}
.biz_ic svg{width:32px;height:32px}
.biz_grid b{display:block;font-size:19px;color:var(--ink);font-weight:700}
.biz_grid i{display:block;font-size:13px;color:var(--ink-4);margin-top:6px;font-style:normal}

/* ============ 平台优势 ============ */
.adv_box{background:#fff;padding:46px 0 50px}
.adv_grid{display:flex;flex-wrap:wrap;margin:0 -12px}
.adv_grid li{width:33.333%;padding:12px;list-style:none;background:var(--bg-soft2);border-radius:var(--radius);padding:32px 28px;transition:.25s}
.adv_grid li:hover{box-shadow:0 10px 26px rgba(10,58,107,.1)}
.adv_ic{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:12px;background:var(--m481);color:#fff;margin-bottom:18px}
.adv_ic svg{width:28px;height:28px}
.adv_grid b{display:block;font-size:19px;color:var(--ink);font-weight:700}
.adv_grid p{font-size:14px;line-height:1.85;color:var(--ink-3);margin-top:12px}

/* ============ 新闻 ============ */
.h_news{background:var(--bg-soft2);padding-bottom:44px}
.h_news ul{display:flex;flex-wrap:wrap;margin:0 -12px}
.h_news li{width:50%;padding:12px;list-style:none}
.newslist_wrap{display:flex;background:#fff;border-radius:var(--radius);overflow:hidden;height:124px;box-shadow:0 2px 12px rgba(0,0,0,.05);transition:.25s}
.newslist_wrap:hover{box-shadow:0 8px 22px rgba(0,0,0,.1);transform:translateY(-3px)}
.newslist_wrap .data{width:98px;background:var(--m481);color:#fff;text-align:center;padding-top:28px;flex-shrink:0}
.newslist_wrap .data b{display:block;font-size:13px;font-weight:400;opacity:.85}
.newslist_wrap .data time{display:block;font-size:22px;margin-top:4px;font-weight:700}
.newslist_wrap .info{padding:20px 22px;flex:1;overflow:hidden}
.newslist_wrap .tit{font-size:17px;color:var(--ink);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.newslist_wrap .tit:hover{color:var(--m481)}
.newslist_wrap .p1{font-size:14px;color:var(--ink-3);line-height:1.7;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ============ 平台架构 ============ */
.arch_box{background:#f5f7fa;padding:46px 0 50px}
.arch_img{background:#fff;border:1px solid #e8ecf1;border-radius:10px;padding:18px;box-shadow:0 6px 24px rgba(0,0,0,.06);transition:.3s}
.arch_img:hover{box-shadow:0 12px 34px rgba(10,58,107,.16)}
.arch_img img{width:100%;height:auto;display:block;border-radius:6px}

/* ============ 关于 ============ */
.h_about_box{background:#fff;padding-bottom:50px}
.h_about_box .conn{display:flex;gap:46px;align-items:center}
.h_about_box .pic{width:46%;border-radius:8px;overflow:hidden;flex-shrink:0;box-shadow:0 10px 30px rgba(0,0,0,.08)}
.h_about_box .pic img{width:100%;height:330px;object-fit:cover}
.h_about_box .tlt{font-size:24px;color:var(--ink);margin-bottom:18px;font-weight:700}
.h_about_box .tlt:after{content:"";display:block;width:48px;height:3px;background:var(--m481);margin-top:14px}
.h_about_box .desc{font-size:15px;line-height:2;color:var(--ink-3);text-align:justify}
.h_about_box .desc strong{color:var(--m481);font-weight:600}
.h_about_box .more{display:inline-block;margin-top:22px;color:var(--m481);font-size:15px;border:1px solid var(--m481);padding:8px 22px;border-radius:4px;transition:.25s}
.h_about_box .more:hover{background:var(--m481);color:#fff}

/* ============ 友情链接 ============ */
.h_link_box{background:var(--bg-soft);padding:22px 0;border-top:1px solid var(--line)}
.h_link_box .cate-title{color:var(--ink-4);margin-right:8px}
.h_link_box .list a{color:var(--ink-3);margin:0 10px;font-size:14px}
.h_link_box .list a:hover{color:var(--m481)}

/* ============ 页脚 ============ */
.h_foot{background:var(--foot);color:#aab4bc;padding:46px 0 0}
.h_foot .footT{display:flex;gap:44px;flex-wrap:wrap}
.footAddr{flex:1.5}
.footTit{color:#fff;font-size:17px;margin-bottom:16px;font-weight:600}
.dAddr{line-height:2.2;font-size:14px}
.dAddr .ico{width:16px;vertical-align:middle;margin-right:8px;filter:brightness(0) invert(1);opacity:.6}
.footNav{flex:1}
.dNav ul{columns:2;font-size:14px;line-height:2.3}
.dNav a:hover{color:var(--m481)}
.footUs{flex:.9;text-align:center}
.ewm2 .img{width:120px;margin:0 auto 8px}
.ewm2 .img img{border-radius:6px;border:3px solid #fff}
.ewm2 .info{font-size:13px;color:#9aa4ac;line-height:1.8}
.foot_cp{background:var(--foot-cp);margin-top:36px;padding:18px 0;text-align:center;font-size:13px;color:#7c878f}
.foot_cp a{color:#8b96a0}
.foot_cp a:hover{color:var(--m481)}

/* ============ 内页 Banner + 面包屑 ============ */
.page-banner{background:linear-gradient(120deg,#0a3a6b,#062a4c);padding:54px 0;text-align:center;color:#fff}
.page-banner h1{font-size:30px;font-weight:700;letter-spacing:3px}
.page-banner p{font-size:15px;opacity:.85;margin-top:10px;letter-spacing:1px}
.path_bar{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:13px 0}
.path_bar .w1200{color:var(--ink-4);font-size:13px}
.path_bar a{color:var(--ink-3)}
.path_bar a:hover{color:var(--m481)}
.path_bar .sep{margin:0 8px;color:#c8ced4}

/* ============ 频道主体 ============ */
.page_main{padding:46px 0 56px;min-height:400px}
.chan_title{font-size:24px;color:var(--ink);font-weight:700;margin-bottom:6px}
.chan_sub{color:var(--ink-4);font-size:14px;margin-bottom:26px;letter-spacing:1px}
.chan_head{border-bottom:2px solid var(--line);padding-bottom:14px;margin-bottom:30px;position:relative}
.chan_head:after{content:"";position:absolute;left:0;bottom:-2px;width:64px;height:2px;background:var(--m481)}

/* 频道-产品/场景宫格 */
.chan_grid{display:flex;flex-wrap:wrap;margin:0 -12px}
.chan_grid .g_item{width:33.333%;padding:12px;list-style:none}
.chan_grid .g_item .pic{display:block;overflow:hidden;border-radius:var(--radius);position:relative;box-shadow:0 2px 12px rgba(0,0,0,.05)}
.chan_grid .g_item .pic img{width:100%;height:220px;object-fit:cover;transition:.45s}
.chan_grid .g_item:hover .pic img{transform:scale(1.07)}
.chan_grid .g_item .cap{padding:14px 4px;display:flex;justify-content:space-between;align-items:center}
.chan_grid .g_item .cap .t{font-size:16px;color:var(--ink);font-weight:600}
.chan_grid .g_item:hover .cap .t{color:var(--m481)}
.chan_grid .g_item .cap .m{color:var(--m481);font-size:13px}

/* 频道-新闻双栏 */
.chan_news{display:flex;flex-wrap:wrap;margin:0 -12px}
.chan_news .n_item{width:50%;padding:12px;list-style:none}
.chan_news .n_item .wrap{display:flex;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;height:130px;transition:.25s}
.chan_news .n_item .wrap:hover{box-shadow:0 8px 22px rgba(0,0,0,.08);border-color:var(--m481-l);transform:translateY(-2px)}
.chan_news .n_item .date{width:96px;background:var(--m481);color:#fff;text-align:center;padding-top:30px;flex-shrink:0}
.chan_news .n_item .date b{font-size:13px;font-weight:400;opacity:.85;display:block}
.chan_news .n_item .date time{font-size:22px;font-weight:700;display:block;margin-top:4px}
.chan_news .n_item .info{padding:18px 20px;flex:1;overflow:hidden}
.chan_news .n_item .info .t{font-size:17px;color:var(--ink);font-weight:600;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chan_news .n_item .info .t:hover{color:var(--m481)}
.chan_news .n_item .info .d{font-size:14px;color:var(--ink-3);line-height:1.7;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 频道-下载列表 */
.chan_down .dl_item{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin-bottom:14px;transition:.2s}
.chan_down .dl_item:hover{border-color:var(--m481);box-shadow:0 6px 18px rgba(0,0,0,.06)}
.chan_down .dl_item .ico{width:42px;height:42px;border-radius:8px;background:var(--m481-l);color:var(--m481);display:flex;align-items:center;justify-content:center;font-size:20px;margin-right:18px;flex-shrink:0}
.chan_down .dl_item .meta{flex:1}
.chan_down .dl_item .meta .nm{font-size:16px;color:var(--ink);font-weight:600}
.chan_down .dl_item .meta .tm{font-size:13px;color:var(--ink-4);margin-top:4px}
.chan_down .dl_item .btn{background:var(--m481);color:#fff;padding:9px 22px;border-radius:4px;font-size:14px;white-space:nowrap}
.chan_down .dl_item .btn:hover{background:var(--m481-d)}

/* 搜索结果 */
.search-empty{text-align:center;color:var(--ink-4);padding:60px 0;font-size:15px}

/* ============ 详情页 ============ */
.detail_layout{display:flex;gap:40px;align-items:flex-start}
.detail_main{flex:1;min-width:0}
.detail_cover{width:100%;border-radius:8px;overflow:hidden;margin-bottom:26px;box-shadow:0 8px 24px rgba(0,0,0,.08)}
.detail_cover img{width:100%;max-height:420px;object-fit:cover}
.detail_main h2.dt{font-size:26px;color:var(--ink);font-weight:700;margin-bottom:16px}
.detail_main .meta{font-size:13px;color:var(--ink-4);border-bottom:1px dashed var(--line);padding-bottom:14px;margin-bottom:22px}
.detail_main .meta span{margin-right:18px}
.article{padding:0;line-height:2;font-size:15px;color:var(--ink-2);text-align:justify}
.article p{margin-bottom:16px}
.article img{max-width:100%;border-radius:6px;margin:10px 0}
.article h3,.article h4{color:var(--ink);margin:22px 0 12px}
.article ul,.article ol{margin:0 0 16px 22px}
.article li{margin-bottom:8px}
.article strong{color:var(--m481)}

/* 详情侧栏 */
.detail_side{width:320px;flex-shrink:0}
.side_box{background:var(--bg-soft);border-radius:8px;padding:22px;margin-bottom:22px}
.side_box .side_tit{font-size:17px;color:var(--ink);font-weight:700;margin-bottom:16px;padding-left:12px;border-left:3px solid var(--m481)}
.dm_list .dm{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.dm_list .dm:last-child{border-bottom:none}
.dm_list .dm img{width:88px;height:64px;object-fit:cover;border-radius:4px;flex-shrink:0}
.dm_list .dm .t{font-size:14px;color:var(--ink-2);line-height:1.6;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.dm_list .dm:hover .t{color:var(--m481)}

/* 上一篇/下一篇 */
.prev_next{display:flex;justify-content:space-between;gap:20px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.prev_next a{color:var(--ink-3);font-size:14px}
.prev_next a:hover{color:var(--m481)}

/* ============ 留言表单 ============ */
.msg-form{background:var(--bg-soft);border-radius:8px;padding:28px;margin-top:30px}
.msg-form .mf_tit{font-size:18px;color:var(--ink);font-weight:700;margin-bottom:18px}
.msg-form .mf_tit:after{content:"";display:block;width:42px;height:3px;background:var(--m481);margin-top:10px}
.msg-form ul{margin:0}
.msg-form .item{margin-bottom:14px}
.msg-form .item input,.msg-form .item textarea{width:100%;height:44px;border:1px solid var(--line);border-radius:4px;padding:0 14px;font-size:14px;color:var(--ink);outline:none;background:#fff;transition:.2s}
.msg-form .item textarea{height:110px;padding:12px 14px;resize:vertical}
.msg-form .item input:focus,.msg-form .item textarea:focus{border-color:var(--m481);box-shadow:0 0 0 3px rgba(10,58,107,.12)}
.msg-form .row2{display:flex;gap:14px}
.msg-form .row2 .item{flex:1}
.msg-form .submit_btn{background:var(--m481);color:#fff;border:none;border-radius:4px;height:46px;padding:0 40px;font-size:15px;cursor:pointer;transition:.2s}
.msg-form .submit_btn:hover{background:var(--m481-d)}
.msg-form .tip{font-size:13px;color:var(--ink-4);margin-top:10px}
.msg-form .fc_red{color:#e94f4f}

/* ============ 分页 ============ */
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:34px;flex-wrap:wrap}
.pagination .page-item,.pagination a{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 14px;border:1px solid var(--line);border-radius:4px;color:var(--ink-2);font-size:14px;background:#fff;transition:.2s}
.pagination .page-item:hover,.pagination a:hover{border-color:var(--m481);color:var(--m481)}
.pagination .page-item.active,.pagination a.active{background:var(--m481);border-color:var(--m481);color:#fff}
.pagination .page-item.disabled{color:#c8ced4;cursor:not-allowed}

/* ============ 联系页 ============ */
.contact-grid{display:flex;gap:40px;flex-wrap:wrap}
.contact-info{flex:1;min-width:280px}
.contact-info .ci{display:flex;align-items:flex-start;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-info .ci .ic{width:40px;height:40px;border-radius:8px;background:var(--m481-l);color:var(--m481);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-info .ci .ct{font-size:15px;color:var(--ink)}
.contact-info .ci .ct b{display:block;font-size:13px;color:var(--ink-4);font-weight:400;margin-bottom:2px}
.contact-form{flex:1;min-width:280px}

/* 在线咨询 CTA */
.cta-band{background:linear-gradient(120deg,#0a3a6b,#062a4c);padding:36px 0;text-align:center;color:#fff}
.cta-band h2{font-size:24px;font-weight:700;letter-spacing:1px}
.cta-band a{display:inline-block;margin-top:16px;border:1px solid #fff;color:#fff;padding:10px 30px;border-radius:4px;font-size:15px;transition:.2s}
.cta-band a:hover{background:#fff;color:var(--m481)}

/* ============ 响应式 ============ */
@media(max-width:1240px){.w1200{width:94%}}
@media(max-width:980px){
  .h_top .w1200{flex-wrap:wrap;height:auto;padding:12px 0;gap:10px}
  .h_top .hot{width:100%;justify-content:space-between}
  .nav_ul{flex-wrap:wrap}
  .nav_item>a{height:48px;padding:0 16px;font-size:15px}
  .apple-banner,.apple-banner .swiper-slide img{height:280px}
  .ban_tag h1{font-size:26px}
  .ban_tag p{font-size:15px}
  .h_pro_list li,.chan_grid .g_item{width:50%}
  .h_news li,.chan_news .n_item{width:100%}
  .h_about_box .conn{flex-direction:column}
  .h_about_box .pic{width:100%}
  .detail_layout{flex-direction:column}
  .detail_side{width:100%}
  .h_stats .st_num{font-size:28px}
  .biz_grid li{width:50%}
  .adv_grid li{width:50%}
}
@media(max-width:640px){
  .h_pro_list li,.chan_grid .g_item{width:100%}
  .newslist_wrap .data,.chan_news .n_item .date{width:80px}
  .h_public_title span i{font-size:22px}
  .page-banner h1{font-size:24px}
  .biz_grid li{width:50%}
  .adv_grid li{width:100%}
  .arch_box{padding:32px 0 36px}
  .arch_img{padding:10px}
}

/* ============ 全局搜索浮层 ============ */
.web-search{position:fixed;inset:0;background:rgba(18,28,33,.94);z-index:999;display:none;align-items:center;justify-content:center}
.web-search.open{display:flex}
.web-search .btn--search-close{position:absolute;top:32px;right:44px;width:44px;height:44px;cursor:pointer;color:#fff;font-size:34px;line-height:44px;text-align:center;opacity:.8}
.web-search .btn--search-close:before{content:"\00d7"}
.web-search .btn--search-close:hover{opacity:1}
.web-search .head-search{width:100%;text-align:center}
.web-search .search-ipt{width:560px;max-width:82vw;height:58px;border:none;border-radius:6px 0 0 6px;padding:0 20px;font-size:16px;outline:none}
.web-search .search-btn{width:120px;height:58px;border:none;border-radius:0 6px 6px 0;background:var(--m481);color:#fff;font-size:16px;cursor:pointer;transition:.2s}
.web-search .search-btn:hover{background:var(--m481-d)}
.web-search .search-attr{display:block;color:#aab4bc;font-size:13px;margin-top:16px}