/* ============================================================
   矿山钻机装备·工业蓝 —— ind-drill-mining 模板样式表 (v2.0.64)
   ------------------------------------------------------------
   版式：sticky 顶栏 + 二级下拉导航 + 全宽幻灯片 + 产品三系列网格
         + 技术优势卡 + 案例 + 新闻（左图右列）+ 四栏页脚
   设计令牌：工业蓝 #1f6eb1 / 深钢灰 / 直角硬朗 / 三端响应式
   容器 1600px；手机 / 平板 / PC 三端；样式全部外置于本文件。
   原生实现，零第三方库，无外部请求。
   由织梦矿山钻机设备企业站模板按本系统规范原创重建。
   著作权归 陕西新势力网络科技有限公司。
   ============================================================ */

:root {
    /* 配色令牌（工业蓝 + 钢灰，取自原站 style.css 主色 #1f6eb1） */
    --dm-p: #1f6eb1;
    --dm-pd: #175687;
    --dm-pl: #eaf2f9;
    --dm-acc: #f0a229;
    --dm-ink: #1d252c;
    --dm-ink2: #4a565f;
    --dm-ink3: #7c8891;
    --dm-line: #e3e8ec;
    --dm-bg: #ffffff;
    --dm-soft: #f5f8fa;
    --dm-dark: #16202a;
    /* 字体令牌 */
    --dm-font: 'Inter','Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
    --dm-fs: 17px;
    --dm-lh: 1.75;
    --dm-w-nav: 600;
    --dm-w-h1: 800;
    --dm-w-h2: 700;
    --dm-ls: .2px;
    /* 尺度令牌 */
    --dm-w: 1600px;
    --dm-w-read: 1320px;
    --dm-pad: 40px;
    --dm-r: 10px;
    --dm-r-img: 8px;
    --dm-sec: 120px;
    --dm-gap: 40px;
    --dm-sh: 0 2px 10px rgba(20,40,60,.06);
    --dm-sh-h: 0 16px 36px rgba(20,40,60,.14);
    --dm-dur: .4s;
    --dm-ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- 重置 ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    font-family: var(--dm-font);
    font-size: var(--dm-fs);
    line-height: var(--dm-lh);
    color: var(--dm-ink);
    background: var(--dm-bg);
    letter-spacing: var(--dm-ls);
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: color var(--dm-dur) var(--dm-ease); }
ul, ol { list-style: none; }
img { max-width: 100%; border: 0; vertical-align: middle; display: block; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
time { font-variant-numeric: tabular-nums; }
h1, h2, h3, h4 { font-weight: var(--dm-w-h2); line-height: 1.3; }

/* ---------- 主容器（铁律：≥1600px） ---------- */
.dm-c { max-width: var(--dm-w); margin: 0 auto; padding: 0 var(--dm-pad); }
.dm-span-all { grid-column: 1 / -1; }
.dm-sr { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
         overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.dm-mt-20 { margin-top: 20px; }
.dm-mt-30 { margin-top: 30px; }
.dm-mt-24 { margin-top: 24px; }

/* ---------- 顶部工具条 ---------- */
.dm-topbar { background: var(--dm-dark); color: #b9c6d2; font-size: 13px; }
.dm-topbar-in { max-width: var(--dm-w); margin: 0 auto; padding: 0 var(--dm-pad);
                height: 40px; display: flex; align-items: center; justify-content: space-between; }
.dm-tb-left { display: flex; align-items: center; gap: 18px; }
.dm-tb-right { display: flex; align-items: center; gap: 18px; }
.dm-tb-right a { color: #d7e2ec; }
.dm-tb-right a:hover { color: var(--dm-acc); }

/* ---------- 头部与导航 ---------- */
.dm-header { position: sticky; top: 0; z-index: 90; background: #fff;
             box-shadow: 0 1px 0 var(--dm-line); transition: box-shadow var(--dm-dur) var(--dm-ease); }
.dm-header.dm-hd-fix { box-shadow: 0 6px 24px rgba(20,40,60,.1); }
.dm-header-in { max-width: var(--dm-w); margin: 0 auto; padding: 0 var(--dm-pad);
                min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.dm-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; min-width: 0;}
.dm-logo-mark { width: 44px; height: 44px; border-radius: 6px; background: var(--dm-p);
                color: #fff; display: flex; align-items: center; justify-content: center;
                font-size: 22px; font-weight: 800; }
.dm-logo-txt { display: flex; flex-direction: column; line-height: 1.2; min-width: 0;}
.dm-logo-name { font-size: 22px; font-weight: 800; color: var(--dm-ink); max-width: 12em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;}
.dm-logo-sub { font-size: 12px; color: var(--dm-ink3); letter-spacing: 1px; text-transform: uppercase; }

.dm-nav { display: flex; align-items: center; min-width: 0; flex: 1 1 auto; justify-content: flex-end; }
.dm-nav > ul { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.dm-nav > ul > li { position: relative; }
.dm-nav > ul > li > a { display: block; padding: 0 20px; height: 88px; line-height: 88px;
                        font-weight: var(--dm-w-nav); color: var(--dm-ink); font-size: 16px;
                        position: relative; transition: color var(--dm-dur) var(--dm-ease); }
.dm-nav > ul > li > a::after { content: ''; position: absolute; left: 20px; right: 20px; bottom: 26px;
                               height: 2px; background: var(--dm-p); transform: scaleX(0);
                               transform-origin: left; transition: transform var(--dm-dur) var(--dm-ease); }
.dm-nav > ul > li:hover > a, .dm-nav > ul > li.dm-on > a { color: var(--dm-p); }
.dm-nav > ul > li:hover > a::after, .dm-nav > ul > li.dm-on > a::after { transform: scaleX(1); }
.dm-nav .dm-sub { position: absolute; top: 100%; left: 0; min-width: 180px; background: #fff;
                  box-shadow: var(--dm-sh-h); border-radius: 0 0 var(--dm-r) var(--dm-r);
                  opacity: 0; visibility: hidden; transform: translateY(10px);
                  transition: all var(--dm-dur) var(--dm-ease); padding: 8px 0; }
.dm-nav li:hover > .dm-sub { opacity: 1; visibility: visible; transform: translateY(0); }
.dm-nav .dm-sub li a { display: block; padding: 11px 22px; font-size: 15px; color: var(--dm-ink2); white-space: nowrap; }
.dm-nav .dm-sub li a:hover { background: var(--dm-pl); color: var(--dm-p); }
.dm-nav-toggle { display: none; }
.dm-progress { position: absolute; left: 0; bottom: 0; height: 3px; width: 0;
               background: linear-gradient(90deg, var(--dm-p), var(--dm-acc)); z-index: 5; }

/* ---------- 导航紧凑断点：设计基准 1600px 以下逐级收窄，防止挤压/换行 ---------- */
@media (max-width: 1600px) {
    .dm-logo-sub { display: none; }
}
@media (max-width: 1460px) {
    .dm-nav > ul > li > a { padding: 0 13px; font-size: 15.5px; }
    .dm-nav > ul > li > a::after { left: 13px; right: 13px; }
}
@media (max-width: 1340px) {
    .dm-nav > ul > li > a { padding: 0 8px; font-size: 15px; }
    .dm-nav > ul > li > a::after { left: 8px; right: 8px; }
}

/* ---------- 幻灯片 ---------- */
.dm-slider { position: relative; height: 620px; overflow: hidden; background: var(--dm-dark); }
.dm-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1s var(--dm-ease); }
.dm-slide.dm-slide-on { opacity: 1; }
.dm-slide img { width: 100%; height: 100%; object-fit: cover; }
.dm-slide::after { content: ''; position: absolute; inset: 0;
                   background: linear-gradient(90deg, rgba(15,28,42,.72) 0%, rgba(15,28,42,.32) 55%, rgba(15,28,42,.05) 100%); }
.dm-slide-in { position: absolute; inset: 0; z-index: 2; display: flex; align-items: center; }
.dm-slide-cap { max-width: var(--dm-w); margin: 0 auto; padding: 0 var(--dm-pad); width: 100%; color: #fff; }
.dm-slide-cap h2 { font-size: 48px; font-weight: 800; line-height: 1.25; margin-bottom: 16px;
                   text-shadow: 0 2px 16px rgba(0,0,0,.3); }
.dm-slide-cap p { font-size: 19px; color: #dbe6f0; max-width: 640px; }
.dm-dots { position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
           display: flex; gap: 10px; z-index: 3; }
.dm-dot { width: 34px; height: 5px; border-radius: 3px; background: rgba(255,255,255,.42);
          transition: background var(--dm-dur) var(--dm-ease); }
.dm-dot.dm-dot-on { background: var(--dm-acc); }
/* 无轮播数据时的静态横幅回退 */
.dm-hero-static { height: 460px; background: linear-gradient(rgba(16,32,48,.6), rgba(16,32,48,.6)),
                  url('/static/image/ind-drill-mining/nybanner.jpg') center/cover no-repeat;
                  display: flex; align-items: center; }
.dm-hero-static .dm-slide-cap { position: static; }

/* ---------- 通用版块 ---------- */
.dm-sec { padding: var(--dm-sec) 0; }
.dm-sec-soft { background: var(--dm-soft); }
.dm-sec-head { text-align: center; margin-bottom: 60px; }
.dm-en { display: block; font-size: 14px; letter-spacing: 3px; color: var(--dm-p);
         text-transform: uppercase; font-weight: 700; margin-bottom: 10px; }
.dm-sec-head h2 { font-size: 38px; font-weight: 800; color: var(--dm-ink); }
.dm-line { width: 60px; height: 3px; background: var(--dm-acc); margin: 18px auto 0; border-radius: 2px; }

/* ---------- 产品三系列（首页楼层） ---------- */
.dm-series { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--dm-gap); }
.dm-series-block { background: #fff; border-radius: var(--dm-r); overflow: hidden;
                   box-shadow: var(--dm-sh); transition: box-shadow var(--dm-dur) var(--dm-ease); }
.dm-series-block:hover { box-shadow: var(--dm-sh-h); }
.dm-series-head { background: linear-gradient(135deg, var(--dm-p), var(--dm-pd)); color: #fff;
                  padding: 20px 26px; display: flex; align-items: center; justify-content: space-between; }
.dm-series-head h3 { font-size: 21px; font-weight: 700; }
.dm-series-head a { font-size: 13px; color: #cfe1f0; }
.dm-series-head a:hover { color: #fff; }
.dm-prod-list { display: flex; flex-direction: column; }
.dm-prod-row { display: flex; gap: 16px; padding: 18px 26px; border-bottom: 1px solid var(--dm-line);
               align-items: center; transition: background var(--dm-dur) var(--dm-ease); }
.dm-prod-row:last-child { border-bottom: 0; }
.dm-prod-row:hover { background: var(--dm-soft); }
.dm-prod-row .dm-thumb { width: 88px; height: 66px; border-radius: var(--dm-r-img); overflow: hidden;
                         flex-shrink: 0; background: var(--dm-pl); }
.dm-prod-row .dm-thumb img { width: 100%; height: 100%; object-fit: cover; }
.dm-prod-row .dm-pt { flex: 1; min-width: 0; }
.dm-prod-row .dm-pt h4 { font-size: 16px; font-weight: 600; color: var(--dm-ink);
                         overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dm-prod-row:hover .dm-pt h4 { color: var(--dm-p); }
.dm-prod-row .dm-pt p { font-size: 13px; color: var(--dm-ink3); margin-top: 4px;
                        overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dm-series-empty { padding: 40px 26px; text-align: center; color: var(--dm-ink3); font-size: 14px; }

/* ---------- 技术优势卡（首页楼层，对应原站 floor_4） ---------- */
.dm-strength { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--dm-gap); }
.dm-strength-card { position: relative; border-radius: var(--dm-r); overflow: hidden;
                    height: 320px; box-shadow: var(--dm-sh); }
.dm-strength-card img { width: 100%; height: 100%; object-fit: cover;
                        transition: transform .6s var(--dm-ease); }
.dm-strength-card:hover img { transform: scale(1.06); }
.dm-strength-card .dm-mask { position: absolute; inset: 0;
    background: linear-gradient(0deg, rgba(13,26,40,.86) 0%, rgba(13,26,40,.18) 60%, transparent 100%); }
.dm-strength-card .dm-txt { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px; color: #fff; }
.dm-strength-card .dm-txt span { font-size: 13px; color: var(--dm-acc); letter-spacing: 2px; font-weight: 700; }
.dm-strength-card .dm-txt h3 { font-size: 22px; font-weight: 700; margin: 6px 0 8px; }
.dm-strength-card .dm-txt p { font-size: 14px; color: #c9d6e2; line-height: 1.6; }

/* ---------- 客户案例（首页楼层） ---------- */
.dm-case { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.dm-case-card { background: #fff; border-radius: var(--dm-r); overflow: hidden; box-shadow: var(--dm-sh);
                transition: transform var(--dm-dur) var(--dm-ease), box-shadow var(--dm-dur) var(--dm-ease); }
.dm-case-card:hover { transform: translateY(-8px); box-shadow: var(--dm-sh-h); }
.dm-case-img { height: 220px; overflow: hidden; background: var(--dm-pl); }
.dm-case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--dm-ease); }
.dm-case-card:hover .dm-case-img img { transform: scale(1.07); }
.dm-case-body { padding: 20px 22px; }
.dm-case-body h3 { font-size: 17px; font-weight: 600; color: var(--dm-ink);
                   overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dm-case-card:hover .dm-case-body h3 { color: var(--dm-p); }

/* ---------- 新闻动态（首页楼层，左大图右列） ---------- */
.dm-news { display: grid; grid-template-columns: 1fr 1fr; gap: var(--dm-gap); }
.dm-news-main { position: relative; border-radius: var(--dm-r); overflow: hidden; height: 380px;
                background: var(--dm-dark); display: block; }
.dm-news-main img { width: 100%; height: 100%; object-fit: cover; opacity: .82;
                    transition: opacity var(--dm-dur) var(--dm-ease), transform .6s var(--dm-ease); }
.dm-news-main:hover img { opacity: .92; transform: scale(1.04); }
.dm-news-main .dm-nm-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px;
    background: linear-gradient(0deg, rgba(10,22,34,.9), transparent); color: #fff; }
.dm-news-main .dm-date { font-size: 13px; color: var(--dm-acc); font-weight: 700; }
.dm-news-main h3 { font-size: 22px; margin-top: 8px; font-weight: 700; }
.dm-news-main p { font-size: 14px; color: #c9d6e2; margin-top: 8px;
                  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dm-news-list { display: flex; flex-direction: column; }
.dm-news-list li { border-bottom: 1px solid var(--dm-line); }
.dm-news-list li a { display: flex; align-items: center; gap: 20px; padding: 21px 4px; }
.dm-news-list .dm-nl-date { flex-shrink: 0; width: 76px; text-align: center; }
.dm-news-list .dm-nl-date b { display: block; font-size: 26px; font-weight: 800; color: var(--dm-p); line-height: 1; }
.dm-news-list .dm-nl-date span { display: block; font-size: 12px; color: var(--dm-ink3); margin-top: 4px; }
.dm-news-list .dm-nl-t { flex: 1; min-width: 0; font-size: 16px; color: var(--dm-ink2);
                         overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dm-news-list li a:hover .dm-nl-t { color: var(--dm-p); }

/* ---------- 内页 Banner + 面包屑 ---------- */
.dm-pagehero { background: linear-gradient(rgba(16,32,48,.72), rgba(16,32,48,.72)),
               url('/static/image/ind-drill-mining/nybanner.jpg') center/cover no-repeat;
               padding: 70px 0; text-align: center; }
.dm-pagehero h1 { color: #fff; font-size: 38px; font-weight: 800; }
.dm-pagehero p { color: #cdd9e4; font-size: 15px; letter-spacing: 2px; text-transform: uppercase; margin-top: 10px; }
.dm-pagehero-art { padding: 56px 0; }
.dm-pagehero-in { max-width: var(--dm-w); margin: 0 auto; padding: 0 var(--dm-pad); }
.dm-crumb { background: var(--dm-soft); border-bottom: 1px solid var(--dm-line); }
.dm-crumb-in { max-width: var(--dm-w); margin: 0 auto; padding: 0 var(--dm-pad); height: 56px;
               display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--dm-ink3); }
.dm-crumb-in a:hover { color: var(--dm-p); }
.dm-crumb .dm-sep { color: var(--dm-ink3); }
.dm-crumb .dm-cur { color: var(--dm-ink2); }
.dm-main { min-height: 50vh; }

/* ---------- 列表 / 产品布局（左侧分类树 + 右侧网格） ---------- */
.dm-layout { display: grid; grid-template-columns: 280px 1fr; gap: var(--dm-gap); padding: 60px 0; align-items: start; }
.dm-side { background: #fff; border-radius: var(--dm-r); box-shadow: var(--dm-sh); overflow: hidden;
           position: sticky; top: 110px; }
.dm-side-t { background: linear-gradient(135deg, var(--dm-p), var(--dm-pd)); color: #fff; padding: 22px 24px; }
.dm-side-t b { display: block; font-size: 19px; font-weight: 700; }
.dm-side-t span { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; opacity: .8; }
.dm-side-nav li a { display: block; padding: 14px 24px; border-bottom: 1px solid var(--dm-line);
                    font-size: 15px; color: var(--dm-ink2); transition: all var(--dm-dur) var(--dm-ease); }
.dm-side-nav li a:hover, .dm-side-nav li.dm-on > a { background: var(--dm-pl); color: var(--dm-p);
                    border-left: 3px solid var(--dm-p); padding-left: 21px; }
.dm-side-contact { padding: 22px 24px; background: var(--dm-soft); }
.dm-side-contact b { display: block; font-size: 16px; color: var(--dm-ink); margin-bottom: 8px; }
.dm-side-contact p { font-size: 13px; color: var(--dm-ink3); line-height: 1.7; margin-bottom: 14px; }
.dm-side-contact .dm-tel { display: inline-block; padding: 9px 20px; background: var(--dm-p); color: #fff;
                    border-radius: var(--dm-r); font-size: 14px; font-weight: 600; }
.dm-side-contact .dm-tel:hover { background: var(--dm-pd); }
.dm-content { min-width: 0; }

/* 产品网格 */
.dm-prods { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.dm-prod { background: #fff; border-radius: var(--dm-r); overflow: hidden; box-shadow: var(--dm-sh);
           transition: transform var(--dm-dur) var(--dm-ease), box-shadow var(--dm-dur) var(--dm-ease); display: block; }
.dm-prod:hover { transform: translateY(-8px); box-shadow: var(--dm-sh-h); }
.dm-prod-img { height: 220px; overflow: hidden; background: var(--dm-pl);
               display: flex; align-items: center; justify-content: center; }
.dm-prod-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--dm-ease); }
.dm-prod:hover .dm-prod-img img { transform: scale(1.07); }
.dm-prod-img span { color: var(--dm-ink3); font-size: 14px; }
.dm-prod-body { padding: 20px 22px; }
.dm-prod-body h3 { font-size: 17px; font-weight: 600; color: var(--dm-ink); margin-bottom: 8px;
                   overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dm-prod:hover .dm-prod-body h3 { color: var(--dm-p); }
.dm-prod-body p { font-size: 14px; color: var(--dm-ink3); line-height: 1.6;
                  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dm-prod-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.dm-prod-tags i { font-style: normal; font-size: 12px; color: var(--dm-p); background: var(--dm-pl);
                  padding: 3px 10px; border-radius: 999px; }
.dm-prod-more { display: block; margin-top: 14px; font-size: 14px; color: var(--dm-p); font-weight: 600; }

/* 普通文章列表（瀑布式卡片） */
.dm-mas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.dm-mas-cell { background: #fff; border-radius: var(--dm-r); overflow: hidden; box-shadow: var(--dm-sh);
               transition: transform var(--dm-dur) var(--dm-ease), box-shadow var(--dm-dur) var(--dm-ease); display: block; }
.dm-mas-cell:hover { transform: translateY(-6px); box-shadow: var(--dm-sh-h); }
.dm-mas-img { height: 200px; overflow: hidden; background: var(--dm-pl); }
.dm-mas-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--dm-ease); }
.dm-mas-cell:hover .dm-mas-img img { transform: scale(1.06); }
.dm-mas-body { padding: 20px 22px; }
.dm-mas-d { font-size: 13px; color: var(--dm-p); font-weight: 700; }
.dm-mas-t { font-size: 17px; font-weight: 600; color: var(--dm-ink); margin: 8px 0;
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dm-mas-cell:hover .dm-mas-t { color: var(--dm-p); }
.dm-mas-s { font-size: 14px; color: var(--dm-ink3); line-height: 1.6;
            display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- 分页 ---------- */
.dm-total { margin: 36px 0 18px; font-size: 14px; color: var(--dm-ink3); }
.dm-total b { color: var(--dm-p); font-weight: 700; }
.dm-page { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.dm-page a, .dm-page .dm-cur, .dm-page .dm-dis { min-width: 40px; height: 40px; padding: 0 12px;
    display: inline-flex; align-items: center; justify-content: center; border-radius: 6px;
    font-size: 14px; border: 1px solid var(--dm-line); color: var(--dm-ink2); background: #fff; }
.dm-page a:hover { border-color: var(--dm-p); color: var(--dm-p); }
.dm-page .dm-cur { background: var(--dm-p); border-color: var(--dm-p); color: #fff; }
.dm-page .dm-dis { color: var(--dm-ink3); opacity: .5; }

/* ---------- 详情页 / 单页正文 ---------- */
.dm-pd-top { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; padding: 60px 0 30px; align-items: start; }
.dm-pd-gallery .dm-pd-main-img { border-radius: var(--dm-r); overflow: hidden; background: var(--dm-pl);
    height: 420px; display: flex; align-items: center; justify-content: center; box-shadow: var(--dm-sh); }
.dm-pd-main-img img { width: 100%; height: 100%; object-fit: cover; }
.dm-pd-main-img span { color: var(--dm-ink3); }
.dm-pd-info h1 { font-size: 30px; font-weight: 800; color: var(--dm-ink); margin-bottom: 16px; }
.dm-pd-info .dm-sum { font-size: 16px; color: var(--dm-ink2); line-height: 1.8; margin-bottom: 22px; }
.dm-pd-meta { border-top: 1px solid var(--dm-line); }
.dm-pd-meta div { display: flex; padding: 13px 0; border-bottom: 1px solid var(--dm-line); font-size: 15px; }
.dm-pd-meta dt { width: 110px; color: var(--dm-ink3); flex-shrink: 0; }
.dm-pd-meta dd { color: var(--dm-ink); }
.dm-pd-acts { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.dm-btn { display: inline-flex; align-items: center; justify-content: center; padding: 13px 30px;
          border-radius: var(--dm-r); font-size: 15px; font-weight: 600; transition: all var(--dm-dur) var(--dm-ease); }
.dm-btn-solid { background: var(--dm-p); color: #fff; }
.dm-btn-solid:hover { background: var(--dm-pd); transform: translateY(-2px); }
.dm-btn-o { border: 1px solid var(--dm-p); color: var(--dm-p); }
.dm-btn-o:hover { background: var(--dm-p); color: #fff; }
/* 深色横幅上的白底描边按钮（首页无轮播数据时的静态横幅 CTA） */
.dm-btn-ghost { border: 1px solid #fff; color: #fff; margin-left: 12px; }
.dm-btn-ghost:hover { background: #fff; color: var(--dm-p); }

.dm-art { padding: 50px 0; }
.dm-art-head { text-align: center; border-bottom: 1px solid var(--dm-line); padding-bottom: 26px; margin-bottom: 34px; }
.dm-art-t { font-size: 32px; font-weight: 800; color: var(--dm-ink); }
.dm-art-meta { margin-top: 16px; font-size: 14px; color: var(--dm-ink3); display: flex; gap: 22px; justify-content: center; }
.dm-art-body { max-width: var(--dm-w-read); margin: 0 auto; font-size: 17px; line-height: 1.9; color: var(--dm-ink2); }
.dm-art-body p { margin-bottom: 18px; }
.dm-art-body img { margin: 22px auto; border-radius: var(--dm-r-img); }
.dm-art-body h2, .dm-art-body h3 { color: var(--dm-ink); margin: 30px 0 16px; }
.dm-art-body ul, .dm-art-body ol { margin: 16px 0 16px 26px; }
.dm-art-body ul li { list-style: disc; margin-bottom: 8px; }
.dm-art-body ol li { list-style: decimal; margin-bottom: 8px; }
.dm-art-body table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 15px; }
.dm-art-body th, .dm-art-body td { border: 1px solid var(--dm-line); padding: 11px 14px; text-align: left; }
.dm-art-body th { background: var(--dm-soft); font-weight: 700; color: var(--dm-ink); }
.dm-art-body a { color: var(--dm-p); text-decoration: underline; }

/* 单页正文 */
.dm-single { padding: 60px 0; }
.dm-single > h1 { font-size: 30px; font-weight: 800; color: var(--dm-ink); }
.dm-single .dm-sub { font-size: 13px; letter-spacing: 3px; color: var(--dm-p); text-transform: uppercase; margin: 8px 0 26px; }
.dm-single-body { max-width: var(--dm-w-read); font-size: 17px; line-height: 1.9; color: var(--dm-ink2); }
.dm-single-body p { margin-bottom: 18px; }
.dm-single-body img { margin: 22px 0; border-radius: var(--dm-r-img); }
.dm-single-body h2, .dm-single-body h3 { color: var(--dm-ink); margin: 28px 0 14px; }
.dm-single-pad { padding: 30px 0 60px; }

/* 相关推荐 */
.dm-rel { padding: 40px 0 60px; }
.dm-rel h2 { font-size: 24px; font-weight: 700; color: var(--dm-ink); margin-bottom: 24px;
             padding-left: 14px; border-left: 4px solid var(--dm-p); }
.dm-rel ul li { border-bottom: 1px solid var(--dm-line); }
.dm-rel ul li a { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; font-size: 15px; color: var(--dm-ink2); }
.dm-rel ul li a:hover { color: var(--dm-p); }
.dm-rel ul li span { color: var(--dm-ink3); font-size: 13px; flex-shrink: 0; }
.dm-rel-full .dm-prods { margin-top: 4px; }

/* 联系信息卡 */
.dm-svc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.dm-svc-card { background: var(--dm-soft); border-radius: var(--dm-r); padding: 26px; border: 1px solid var(--dm-line); }
.dm-svc-card .dm-n { display: block; font-size: 13px; color: var(--dm-p); font-weight: 700; letter-spacing: 1px; }
.dm-svc-card h3 { font-size: 18px; color: var(--dm-ink); margin-top: 8px; word-break: break-all; }
.dm-svc-card p { font-size: 14px; color: var(--dm-ink2); margin-top: 8px; line-height: 1.7; }

/* ---------- 空状态 ---------- */
.dm-empty { text-align: center; padding: 70px 20px; background: var(--dm-soft);
            border-radius: var(--dm-r); border: 1px dashed var(--dm-line); }
.dm-empty b { display: block; font-size: 18px; color: var(--dm-ink2); margin-bottom: 8px; }
.dm-empty p { font-size: 14px; color: var(--dm-ink3); }

/* ---------- CTA ---------- */
.dm-cta { background: linear-gradient(135deg, var(--dm-p), var(--dm-pd)); padding: 70px 0; }
.dm-cta-in { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.dm-cta h2 { color: #fff; font-size: 32px; font-weight: 800; }
.dm-cta p { color: #d4e4f1; font-size: 16px; margin-top: 8px; }
.dm-cta .dm-btn { background: #fff; color: var(--dm-p); }
.dm-cta .dm-btn:hover { background: var(--dm-acc); color: #fff; }

/* ---------- 页脚 ---------- */
.dm-foot { background: var(--dm-dark); color: #9fb0c0; }
.dm-foot-main { max-width: var(--dm-w); margin: 0 auto; padding: 70px var(--dm-pad) 50px;
                display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.dm-foot-col h4 { color: #fff; font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.dm-foot-col p { font-size: 14px; line-height: 1.8; }
.dm-foot-col ul li { margin-bottom: 12px; }
.dm-foot-col ul li a { font-size: 14px; color: #9fb0c0; }
.dm-foot-col ul li a:hover { color: var(--dm-acc); }
.dm-foot-brand p { color: #8899a8; }
.dm-foot-quick { border-top: 1px solid #26333f; }
.dm-foot-quick-in { max-width: var(--dm-w); margin: 0 auto; padding: 22px var(--dm-pad);
                    display: flex; flex-wrap: wrap; gap: 22px; font-size: 14px; }
.dm-foot-quick-in a:hover { color: var(--dm-acc); }
.dm-foot-copy { border-top: 1px solid #26333f; }
.dm-foot-copy-in { max-width: var(--dm-w); margin: 0 auto; padding: 22px var(--dm-pad);
                   display: flex; align-items: center; justify-content: space-between; gap: 20px;
                   font-size: 13px; flex-wrap: wrap; color: #7c8d9c; }
.dm-foot-copy-in .dm-icp a { color: #7c8d9c; }
.dm-foot-copy-in .dm-icp a:hover { color: var(--dm-acc); }
.xp-powered { text-align: center; padding: 14px; font-size: 12px; color: #6b7b8a; background: #111a23; }
.xp-powered a { color: #8ba0b4; }
.xp-powered a:hover { color: var(--dm-acc); }

/* ---------- 返回顶部 / 阅读进度 ---------- */
.dm-backtop { position: fixed; right: 30px; bottom: 36px; width: 48px; height: 48px; border-radius: 50%;
              background: var(--dm-p); color: #fff; font-size: 20px; display: flex; align-items: center;
              justify-content: center; box-shadow: var(--dm-sh-h); opacity: 0; visibility: hidden;
              transform: translateY(14px); transition: all var(--dm-dur) var(--dm-ease); z-index: 80; }
.dm-backtop.dm-backtop-on { opacity: 1; visibility: visible; transform: translateY(0); }
.dm-backtop:hover { background: var(--dm-pd); }

/* ---------- 滚动进场动画（仅 html.dm-js 下隐藏，无 JS 时内容常显） ---------- */
html.dm-js .dm-reveal { opacity: 0; transform: translateY(26px);
                        transition: opacity .7s var(--dm-ease), transform .7s var(--dm-ease); }
html.dm-js .dm-reveal.dm-in { opacity: 1; transform: none; }
html.dm-js .dm-stagger > * { opacity: 0; transform: translateY(22px);
    transition: opacity .6s var(--dm-ease), transform .6s var(--dm-ease); }
html.dm-js .dm-stagger.dm-in > * { opacity: 1; transform: none; }
html.dm-js .dm-stagger.dm-in > *:nth-child(1) { transition-delay: .04s; }
html.dm-js .dm-stagger.dm-in > *:nth-child(2) { transition-delay: .12s; }
html.dm-js .dm-stagger.dm-in > *:nth-child(3) { transition-delay: .20s; }
html.dm-js .dm-stagger.dm-in > *:nth-child(4) { transition-delay: .28s; }
html.dm-js .dm-stagger.dm-in > *:nth-child(5) { transition-delay: .36s; }
html.dm-js .dm-stagger.dm-in > *:nth-child(6) { transition-delay: .44s; }
@media (prefers-reduced-motion: reduce) {
    html.dm-js .dm-reveal, html.dm-js .dm-stagger > * { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ============================================================
   响应式：平板（≤1024px）
   ============================================================ */
@media (max-width: 1024px) {
    :root { --dm-sec: 90px; --dm-pad: 28px; --dm-gap: 28px; }
    .dm-series { grid-template-columns: 1fr; }
    .dm-strength { grid-template-columns: repeat(2, 1fr); }
    .dm-case { grid-template-columns: repeat(2, 1fr); }
    .dm-news { grid-template-columns: 1fr; }
    .dm-prods, .dm-mas { grid-template-columns: repeat(2, 1fr); }
    .dm-layout { grid-template-columns: 1fr; }
    .dm-side { position: static; }
    .dm-pd-top { grid-template-columns: 1fr; gap: 34px; }
    .dm-foot-main { grid-template-columns: 1fr 1fr; }
    .dm-slider { height: 480px; }
    .dm-slide-cap h2 { font-size: 36px; }
    .dm-sec-head h2 { font-size: 30px; }
}

/* ============================================================
   响应式：手机（≤768px）—— 折叠导航抽屉
   ============================================================ */
@media (max-width: 1240px) {
    .dm-header-in { height: 64px; min-height: 64px; }
    .dm-nav-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px;
                     width: 40px; height: 40px; padding: 8px; }
    .dm-nav-toggle span { display: block; height: 2px; background: var(--dm-ink); border-radius: 2px;
                          transition: all var(--dm-dur) var(--dm-ease); }
    .dm-nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .dm-nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
    .dm-nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .dm-nav { position: absolute; display: block; top: 100%; right: 0; height: calc(100vh - 64px); z-index: 99; width: 82%; max-width: 320px;
              background: #fff; box-shadow: -6px 0 24px rgba(0,0,0,.12); transform: translateX(100%);
              transition: transform var(--dm-dur) var(--dm-ease); overflow-y: auto; padding: 12px 0; }
    .dm-nav.dm-nav-open { transform: translateX(0); }
    .dm-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
    .dm-nav > ul > li > a { height: auto; line-height: 1.4; padding: 15px 24px; border-bottom: 1px solid var(--dm-line); }
    .dm-nav > ul > li > a::after { display: none; }
    .dm-nav .dm-sub { position: static; opacity: 1; visibility: visible; transform: none;
                      box-shadow: none; border-radius: 0; padding: 0; max-height: 0; overflow: hidden;
                      transition: max-height var(--dm-dur) var(--dm-ease); background: var(--dm-soft); }
    .dm-nav li.dm-sub-open > .dm-sub { max-height: 400px; }
    .dm-nav .dm-sub li a { padding: 12px 24px 12px 40px; }}

@media (max-width: 768px) {
    :root { --dm-sec: 64px; --dm-pad: 20px; --dm-fs: 16px; }
    .dm-topbar { display: none; }
    .dm-logo-name { font-size: 18px; }
    .dm-logo-sub { display: none; }
    .dm-logo-mark { width: 38px; height: 38px; font-size: 19px; }
    .dm-slider { height: 400px; }
    .dm-slide-cap h2 { font-size: 26px; }
    .dm-slide-cap p { font-size: 15px; }
    .dm-hero-static { height: 340px; }
    .dm-sec-head { margin-bottom: 38px; }
    .dm-sec-head h2 { font-size: 24px; }
    .dm-strength { grid-template-columns: 1fr; }
    .dm-strength-card { height: 240px; }
    .dm-case, .dm-prods, .dm-mas { grid-template-columns: 1fr; }
    .dm-svc { grid-template-columns: 1fr; }
    .dm-pagehero { padding: 48px 0; }
    .dm-pagehero h1 { font-size: 26px; }
    .dm-pd-info h1 { font-size: 24px; }
    .dm-art-t { font-size: 24px; }
    .dm-cta { text-align: center; }
    .dm-cta-in { flex-direction: column; }
    .dm-cta h2 { font-size: 24px; }
    .dm-foot-main { grid-template-columns: 1fr; gap: 30px; padding: 48px var(--dm-pad) 30px; }
    .dm-foot-copy-in { flex-direction: column; text-align: center; }
    .dm-backtop { right: 18px; bottom: 22px; width: 42px; height: 42px; }}

/* ---------- 站点 Logo（后台「站点管理」上传，存 cms_site.logo；留空则显示站点名称文字） ---------- */
.dm-logo-img { height: 44px; width: auto; max-width: 220px; object-fit: contain; display: block; }
@media (max-width: 768px) {
    .dm-logo-img { height: 34px; max-width: 160px; }
}