/* ============================================================
   generic-22 · 通用型企业子站模板
   类前缀：nd-   原型：E 侧边导航（莫兰迪 / 北欧极简）
   配色：雾蓝 #AFC3CE / 暖白 #FBFAF7 / 炭 #2E3538 / 浅木 #D9C8B4
   字体：细字重无衬线（300/400），字距舒展
   签名：桌面 280px 固定侧栏、点状导航、极细 1px 线、2px 小圆角、大留白
   ============================================================ */

.nd-body {
  --nd-mist: #AFC3CE;
  --nd-paper: #FBFAF7;
  --nd-ink: #2E3538;
  --nd-wood: #D9C8B4;
  --nd-soft: #EEF2F3;
  --nd-muted: #7B868A;
  --nd-line: #DFE5E6;
  --nd-sans: "PingFang SC", "Helvetica Neue", "Microsoft YaHei", Arial, sans-serif;
  --nd-sidew: 280px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
.nd-body {
  font-family: var(--nd-sans);
  font-weight: 300;
  color: var(--nd-ink);
  background: var(--nd-paper);
  line-height: 1.95;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
}
.nd-body img { max-width: 100%; height: auto; border: 0; }
.nd-body a { color: inherit; text-decoration: none; }
.nd-body ul, .nd-body ol { list-style: none; margin: 0; padding: 0; }
.nd-body p { margin: 0; }
.nd-wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 56px; }
.nd-hide { display: none !important; }
.nd-noscroll { overflow: hidden; }

/* ---------- 通用 ---------- */
.nd-eyebrow {
  display: inline-block; font-size: 11px; font-weight: 400;
  letter-spacing: .28em; text-transform: uppercase; color: var(--nd-muted);
}
.nd-h2 { font-size: 30px; line-height: 1.4; font-weight: 300; letter-spacing: .01em; margin: 12px 0 0; color: var(--nd-ink); }
.nd-h2--sub { margin-top: 34px; font-size: 24px; }
.nd-sec { padding: 84px 0; }
.nd-sec--tint { background: var(--nd-soft); }
.nd-sechead { margin-bottom: 38px; }
.nd-rich { font-size: 15px; line-height: 2.05; color: #3d4548; }
.nd-rich p { margin: 0 0 16px; }
.nd-empty { padding: 40px 0; font-size: 14px; color: var(--nd-muted); }
.nd-textlink {
  display: inline-block; margin-top: 26px;
  font-size: 13px; font-weight: 400; letter-spacing: .14em; color: var(--nd-ink);
  border-bottom: 1px solid var(--nd-wood); padding-bottom: 3px;
}
.nd-textlink:hover { border-bottom-color: var(--nd-ink); }
.nd-call {
  display: inline-block; padding: 12px 30px; border-radius: 2px;
  background: var(--nd-ink); color: var(--nd-paper);
  font-size: 14px; font-weight: 400; letter-spacing: .1em;
  transition: background .2s ease;
}
.nd-call:hover { background: #465156; }
.nd-btn-line {
  display: inline-block; padding: 11px 28px; border: 1px solid var(--nd-line); border-radius: 2px;
  font-size: 13px; letter-spacing: .08em; color: var(--nd-ink);
}
.nd-btn-line:hover { border-color: var(--nd-ink); }

/* ---------- 侧栏 ---------- */
.nd-side {
  position: fixed; left: 0; top: 0; bottom: 0; width: var(--nd-sidew); z-index: 100;
  background: var(--nd-mist); color: var(--nd-ink);
  padding: 44px 30px 30px; display: flex; flex-direction: column;
  border-right: 1px solid rgba(46, 53, 56, .08);
}
.nd-brand { display: flex; flex-direction: column; gap: 10px; }
.nd-brand__img { height: 42px; width: auto; display: block; }
.nd-brand__name { font-size: 21px; font-weight: 400; letter-spacing: .1em; line-height: 1.4; }
.nd-brand__meta { font-size: 10.5px; font-weight: 400; letter-spacing: .08em; color: rgba(46, 53, 56, .66); }
.nd-brand__meta b, .nd-top__meta b { color: var(--nd-ink); font-weight: 500; }
.nd-sidenav { display: flex; flex-direction: column; gap: 2px; margin-top: 58px; }
.nd-sidenav__item {
  display: flex; align-items: center; gap: 12px; padding: 9px 0;
  font-size: 14px; font-weight: 300; letter-spacing: .08em; color: rgba(46, 53, 56, .8);
}
.nd-sidenav__dot { width: 5px; height: 5px; border-radius: 50%; background: rgba(46, 53, 56, .32); transition: background .2s ease; }
.nd-sidenav__item:hover { color: var(--nd-ink); }
.nd-sidenav__item:hover .nd-sidenav__dot { background: var(--nd-ink); }
.nd-sidenav__item--on { color: var(--nd-ink); font-weight: 400; }
.nd-sidenav__item--on .nd-sidenav__dot { background: var(--nd-wood); box-shadow: 0 0 0 3px rgba(217, 200, 180, .45); }
.nd-side__foot { margin-top: auto; padding-top: 26px; border-top: 1px solid rgba(46, 53, 56, .18); display: flex; flex-direction: column; gap: 6px; }
.nd-side__k { font-size: 9.5px; letter-spacing: .3em; color: rgba(46, 53, 56, .55); }
.nd-side__tel { font-size: 20px; font-weight: 400; letter-spacing: .06em; }
.nd-side__region { font-size: 10.5px; letter-spacing: .06em; color: rgba(46, 53, 56, .62); }

/* ---------- 移动顶栏 ---------- */
.nd-top { display: none; background: var(--nd-paper); border-bottom: 1px solid var(--nd-line); position: sticky; top: 0; z-index: 90; }
.nd-top__in { max-width: 1080px; margin: 0 auto; padding: 14px 22px; display: flex; align-items: center; gap: 14px; }
.nd-top__brand { display: flex; flex-direction: column; }
.nd-top__name { font-size: 16px; font-weight: 400; letter-spacing: .06em; }
.nd-top__meta { font-size: 10px; color: var(--nd-muted); }
.nd-burger { margin-left: auto; width: 40px; height: 34px; padding: 7px; border: 1px solid var(--nd-line); border-radius: 2px; background: transparent; cursor: pointer; }
.nd-burger span { display: block; height: 1px; background: var(--nd-ink); margin: 5px 0; }

/* ---------- 抽屉 ---------- */
.nd-drawer {
  display: none; position: fixed; inset: 0 0 0 auto; width: 82%; max-width: 330px;
  background: var(--nd-paper); border-left: 1px solid var(--nd-line); z-index: 220;
  padding: 22px; overflow-y: auto;
}
.nd-drawer--open { display: block; }
.nd-drawer__head { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--nd-line); padding-bottom: 12px; }
.nd-drawer__name { font-size: 16px; letter-spacing: .06em; }
.nd-drawer__close { border: 0; background: none; font-size: 24px; cursor: pointer; color: var(--nd-muted); }
.nd-drawer__item { display: block; padding: 13px 2px; border-bottom: 1px solid var(--nd-line); font-size: 14px; }
.nd-drawer__item--on { font-weight: 500; }
.nd-drawer__tel { display: block; margin-top: 24px; padding: 12px; text-align: center; background: var(--nd-ink); color: var(--nd-paper); border-radius: 2px; }

/* ---------- 主内容 ---------- */
.nd-main { margin-left: var(--nd-sidew); }
.nd-hero { padding: 118px 0 104px; }
.nd-hero__in { max-width: 1080px; margin: 0 auto; padding: 0 56px; }
.nd-hero__h1 {
  margin: 22px 0 24px; font-size: 64px; line-height: 1.16; font-weight: 200;
  letter-spacing: -.01em; color: var(--nd-ink);
}
.nd-hero__lead { max-width: 560px; font-size: 15px; line-height: 2.1; color: var(--nd-muted); }
.nd-hero__actions { display: flex; align-items: center; gap: 30px; margin-top: 34px; flex-wrap: wrap; }
.nd-hero__actions .nd-textlink { margin-top: 0; }
.nd-hero__foot { display: flex; align-items: center; gap: 20px; margin-top: 80px; font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--nd-muted); }
.nd-hero__line { flex: 0 0 80px; height: 1px; background: var(--nd-wood); }

/* ---------- 简介 ---------- */
.nd-about__in { display: grid; grid-template-columns: 4fr 8fr; gap: 60px; align-items: start; }
.nd-about__full {
  font-size: 15px; line-height: 2.1; max-height: 250px; overflow: hidden; position: relative;
  -webkit-mask-image: linear-gradient(180deg, #000 80%, transparent);
  mask-image: linear-gradient(180deg, #000 80%, transparent);
}
.nd-about__full--open { max-height: none; -webkit-mask-image: none; mask-image: none; }
.nd-about__full p { margin: 0 0 12px; }
.nd-about__full img { display: none; }
.nd-about__toggle { margin: 6px 0 0; }
.nd-about__btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 0; border: 0; background: none;
  font-family: var(--nd-sans); font-size: 12px; font-weight: 400; letter-spacing: .12em;
  color: var(--nd-muted); cursor: pointer;
}
.nd-about__arr { font-size: 9px; }

/* ---------- 广告图 ---------- */
.nd-ad__figure { margin: 0; padding: 0 40px; }
.nd-ad__img { display: block; width: 100%; border-radius: 2px; }
.nd-ad__cap { margin-top: 14px; font-size: 11px; letter-spacing: .18em; color: var(--nd-muted); text-align: right; }

/* ---------- 实力行 ---------- */
.nd-stat__list { border-top: 1px solid var(--nd-line); }
.nd-stat__row {
  display: grid; grid-template-columns: 60px 250px 1fr; gap: 24px; align-items: baseline;
  padding: 22px 0; border-bottom: 1px solid var(--nd-line);
}
.nd-stat__no { font-size: 11px; letter-spacing: .14em; color: var(--nd-wood); }
.nd-stat__title { font-size: 18px; font-weight: 400; letter-spacing: .03em; }
.nd-stat__desc { font-size: 13.5px; line-height: 1.9; color: var(--nd-muted); }

/* ---------- 产品 ---------- */
.nd-prod__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px 46px; }
.nd-prod__item { display: block; }
.nd-prod__img { display: block; overflow: hidden; border-radius: 2px; background: var(--nd-soft); }
.nd-prod__item:hover .nd-prod__img img { transform: scale(1.02); }
.nd-prod__img img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .5s ease; }
.nd-prod__name { display: block; margin-top: 14px; font-size: 15px; font-weight: 400; letter-spacing: .04em; }

/* ---------- 优势 ---------- */
.nd-adv__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 56px; }
.nd-adv__item { padding: 26px 0; border-top: 1px solid var(--nd-line); }
.nd-adv__tag {
  display: inline-block; padding: 2px 10px; border-radius: 2px;
  background: var(--nd-soft); color: var(--nd-muted); font-size: 10px; letter-spacing: .16em;
}
.nd-adv__name { margin-top: 12px; font-size: 19px; font-weight: 400; letter-spacing: .03em; }
.nd-adv__desc { margin-top: 8px; font-size: 13.5px; color: var(--nd-muted); line-height: 1.9; }

/* ---------- 承诺 / 应用 ---------- */
.nd-promise__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.nd-promise__list { margin-top: 22px; border-top: 1px solid var(--nd-line); }
.nd-promise__item { padding: 12px 0; border-bottom: 1px solid var(--nd-line); font-size: 14px; }

/* ---------- 新闻 ---------- */
.nd-news__list { border-top: 1px solid var(--nd-line); }
.nd-news__row {
  display: grid; grid-template-columns: 120px 1fr 24px; gap: 24px; align-items: center;
  padding: 17px 0; border-bottom: 1px solid var(--nd-line);
}
.nd-news__row--list { align-items: start; }
.nd-news__row:hover .nd-news__title { color: #000; }
.nd-news__date { font-size: 11px; letter-spacing: .1em; color: var(--nd-muted); }
.nd-news__body { display: block; min-width: 0; }
.nd-news__title { display: block; font-size: 15px; font-weight: 400; line-height: 1.7; letter-spacing: .03em; }
.nd-news__desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-top: 4px; font-size: 12.5px; color: var(--nd-muted); }
.nd-news__arrow { font-size: 14px; color: var(--nd-muted); text-align: right; }
.nd-region {
  display: inline-block; font-style: normal; margin-right: 8px; padding: 0 7px;
  border-radius: 2px; background: var(--nd-soft); color: var(--nd-muted);
  font-size: 10px; letter-spacing: .1em; vertical-align: 2px;
}

/* ---------- FAQ ---------- */
.nd-faq__list { border-top: 1px solid var(--nd-line); }
.nd-faq__item { border-bottom: 1px solid var(--nd-line); }
.nd-faq__item summary {
  display: flex; gap: 16px; align-items: baseline; list-style: none; cursor: pointer;
  padding: 18px 30px 18px 0; position: relative; font-size: 14.5px; font-weight: 400; line-height: 1.7;
}
.nd-faq__item summary::-webkit-details-marker { display: none; }
.nd-faq__item summary::after { content: "+"; position: absolute; right: 2px; top: 14px; font-size: 18px; font-weight: 300; color: var(--nd-muted); }
.nd-faq__item[open] summary::after { content: "−"; }
.nd-faq__no { flex: 0 0 auto; font-size: 10px; letter-spacing: .1em; color: var(--nd-wood); }
.nd-faq__a { padding: 0 30px 20px 32px; font-size: 13px; line-height: 1.95; color: var(--nd-muted); }

/* ---------- 分站 ---------- */
.nd-city__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--nd-line); border-left: 1px solid var(--nd-line); }
.nd-city__item { display: flex; flex-direction: column; gap: 2px; padding: 15px 18px; border-right: 1px solid var(--nd-line); border-bottom: 1px solid var(--nd-line); }
.nd-city__item:hover { background: var(--nd-soft); }
.nd-city__region { font-size: 14px; font-weight: 400; letter-spacing: .06em; }
.nd-city__site { font-size: 10.5px; color: var(--nd-muted); }
.nd-city__item--fold { display: none; }
.nd-city__grid--open .nd-city__item--fold { display: flex; }
.nd-city__more {
  margin-top: 24px; padding: 9px 22px; border: 1px solid var(--nd-line); border-radius: 2px;
  background: transparent; font-family: var(--nd-sans); font-size: 12px; letter-spacing: .1em;
  color: var(--nd-ink); cursor: pointer;
}
.nd-city__more:hover { border-color: var(--nd-ink); }

/* ---------- 关联企业 ---------- */
.nd-partners__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.nd-partners__item {
  display: flex; align-items: baseline; justify-content: space-between; gap: 8px;
  padding: 11px 14px; border-radius: 2px; background: var(--nd-paper); border: 1px solid var(--nd-line);
}
.nd-partners__item:hover { border-color: var(--nd-wood); }
.nd-partners__name { font-size: 12.5px; font-weight: 400; }
.nd-partners__region { font-size: 10px; color: var(--nd-muted); }

/* ---------- CTA ---------- */
.nd-cta { background: var(--nd-mist); padding: 72px 0; }
.nd-cta__in { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.nd-cta__title { margin: 12px 0 4px; font-size: 34px; font-weight: 300; letter-spacing: .02em; }
.nd-cta__lead { font-size: 13.5px; color: rgba(46, 53, 56, .7); }
.nd-cta__tel { font-size: 36px; font-weight: 300; letter-spacing: .04em; color: var(--nd-ink); border-bottom: 1px solid rgba(46, 53, 56, .35); padding-bottom: 2px; }
.nd-cta__tel:hover { border-bottom-color: var(--nd-ink); }

/* ---------- 页脚 ---------- */
.nd-foot { margin-left: var(--nd-sidew); background: var(--nd-paper); border-top: 1px solid var(--nd-line); color: var(--nd-muted); font-size: 12.5px; padding-top: 44px; }
.nd-foot__top { max-width: 1080px; margin: 0 auto; padding: 0 56px 30px; display: grid; grid-template-columns: 1.6fr .6fr 1fr; gap: 40px; }
.nd-foot__name { font-size: 20px; font-weight: 400; letter-spacing: .06em; color: var(--nd-ink); }
.nd-foot__desc { margin: 8px 0 10px; }
.nd-foot__tel { font-size: 18px; font-weight: 400; color: var(--nd-ink); }
.nd-foot__tt { font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--nd-ink); margin-bottom: 10px; }
.nd-foot__link { display: block; padding: 4px 0; }
.nd-foot__link:hover { color: var(--nd-ink); }
.nd-foot__line { margin: 0 0 6px; }
.nd-foot__line a { color: var(--nd-ink); }
.nd-foot__city { max-width: 1080px; margin: 0 auto; padding: 14px 56px; border-top: 1px solid var(--nd-line); }
.nd-foot__citytt { font-size: 10px; letter-spacing: .18em; color: var(--nd-ink); margin-right: 10px; }
.nd-foot__citylist { display: inline; }
.nd-foot__cityitem { display: inline-block; margin: 0 14px 6px 0; font-size: 11.5px; }
.nd-foot__cityitem:hover { color: var(--nd-ink); }
.nd-foot__cityitem--fold { display: none; }
.nd-foot__citylist--open .nd-foot__cityitem--fold { display: inline-block; }
.nd-foot__morebtn { border: 1px solid var(--nd-line); background: none; color: var(--nd-ink); padding: 3px 10px; border-radius: 2px; font-family: var(--nd-sans); font-size: 10.5px; cursor: pointer; }
.nd-foot__nap { max-width: 1080px; margin: 0 auto; padding: 14px 56px; border-top: 1px solid var(--nd-line); font-size: 11px; color: #98a1a4; }
.nd-foot__nap p { margin: 0 0 4px; }
.nd-foot__copy { max-width: 1080px; margin: 0 auto; padding: 14px 56px 26px; border-top: 1px solid var(--nd-line); display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; font-size: 10.5px; color: #98a1a4; }
.nd-foot__copy a { color: var(--nd-muted); }
.nd-foot__copy a:hover { color: var(--nd-ink); }

/* ---------- 移动拨号 ---------- */
.nd-dial { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 95; padding: 8px 12px; background: rgba(251,250,247,.96); border-top: 1px solid var(--nd-line); }
.nd-dial__tel { display: block; text-align: center; padding: 12px; border-radius: 2px; background: var(--nd-ink); color: var(--nd-paper); font-size: 14px; letter-spacing: .08em; }

/* ---------- 内页页头 ---------- */
.nd-pagehead { padding: 96px 0 60px; border-bottom: 1px solid var(--nd-line); }
.nd-crumb { font-size: 11px; letter-spacing: .08em; color: var(--nd-muted); margin: 0 0 20px; }
.nd-crumb a { border-bottom: 1px solid var(--nd-wood); }
.nd-pagehead__h1 { margin: 0; font-size: 46px; font-weight: 200; letter-spacing: .01em; line-height: 1.3; }
.nd-narrow { max-width: 820px; }

/* ---------- 列表 / 分页 ---------- */
.pagination { margin-top: 40px; font-size: 12px; letter-spacing: .06em; }
.pagination a, .pagination span {
  display: inline-block; min-width: 32px; padding: 5px 9px; margin: 0 3px 0 0;
  border: 1px solid var(--nd-line); border-radius: 2px; color: var(--nd-ink); text-align: center;
}
.pagination a:hover { border-color: var(--nd-wood); }
.pagination .current { background: var(--nd-ink); border-color: var(--nd-ink); color: var(--nd-paper); }

/* ---------- 新闻详情 ---------- */
.nd-detail { display: grid; grid-template-columns: 1fr 300px; gap: 50px; align-items: start; }
.nd-post__meta { padding-bottom: 12px; margin-bottom: 22px; border-bottom: 1px solid var(--nd-line); font-size: 11px; letter-spacing: .1em; color: var(--nd-muted); }
.nd-post__cover { display: block; width: 100%; margin-bottom: 22px; border-radius: 2px; }
.nd-post__actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; margin-top: 32px; padding-top: 22px; border-top: 1px solid var(--nd-line); }
.nd-side { border-top: 1px solid var(--nd-line); padding-top: 18px; }
.nd-side__tt { margin: 8px 0 10px; font-size: 19px; font-weight: 400; letter-spacing: .04em; }
.nd-side__item { display: block; padding: 11px 0; border-bottom: 1px solid var(--nd-line); }
.nd-side__title { display: block; font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nd-side__date { display: block; margin-top: 3px; font-size: 10px; color: var(--nd-muted); }
.nd-side__empty { font-size: 12px; color: var(--nd-muted); }
.nd-side .nd-textlink { margin-top: 16px; }

/* ---------- 产品详情 ---------- */
.nd-prodpage { padding-top: 100px; }
.nd-crumb--dark { margin-bottom: 30px; }
.nd-prodhero { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.nd-prodhero__media { border-radius: 2px; overflow: hidden; background: var(--nd-soft); }
.nd-prodhero__media img { display: block; width: 100%; }
.nd-prodhero__h1 { margin: 10px 0 0; font-size: 32px; font-weight: 300; line-height: 1.45; letter-spacing: .02em; }
.nd-prodhero__desc { margin-top: 16px; font-size: 14px; line-height: 2; color: var(--nd-muted); }
.nd-inforows { margin: 24px 0; border-top: 1px solid var(--nd-line); }
.nd-inforows__row { display: flex; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--nd-line); font-size: 13px; }
.nd-inforows__k { flex: 0 0 84px; font-size: 11px; letter-spacing: .1em; color: var(--nd-muted); }
.nd-inforows__v { flex: 1 1 auto; }
.nd-inforows__v a { border-bottom: 1px solid var(--nd-wood); }
.nd-prodhero__btns { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.nd-prodshow { display: grid; grid-template-columns: 1fr 300px; gap: 50px; align-items: start; margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--nd-line); }
.nd-panel { border: 1px solid var(--nd-line); border-radius: 2px; padding: 20px; margin-bottom: 18px; background: var(--nd-paper); }
.nd-panel__tt { margin: 0 0 10px; font-size: 14px; font-weight: 400; letter-spacing: .1em; }
.nd-panel p { margin: 0 0 6px; font-size: 12.5px; color: var(--nd-muted); }
.nd-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.nd-chip { display: inline-block; padding: 2px 9px; border-radius: 2px; background: var(--nd-soft); font-size: 11px; color: var(--nd-ink); }

/* ---------- 联系页 ---------- */
.nd-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.nd-contact__card { border-top: 1px solid var(--nd-line); padding-top: 26px; }
.nd-contact__row { display: flex; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--nd-line); font-size: 14px; }
.nd-contact__k { flex: 0 0 84px; font-size: 11px; letter-spacing: .1em; color: var(--nd-muted); }
.nd-contact__row a { border-bottom: 1px solid var(--nd-wood); }
.nd-contact__card .nd-call { margin-top: 26px; }
.nd-steps { margin-top: 20px; border-top: 1px solid var(--nd-line); }
.nd-steps li { display: flex; gap: 14px; align-items: baseline; padding: 12px 0; border-bottom: 1px solid var(--nd-line); font-size: 14px; }
.nd-steps__no { font-size: 10px; letter-spacing: .12em; color: var(--nd-wood); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .nd-side { display: none; }
  .nd-top { display: block; }
  .nd-main, .nd-foot { margin-left: 0; }
  .nd-hero { padding: 72px 0 64px; }
  .nd-hero__h1 { font-size: 44px; }
  .nd-about__in { grid-template-columns: 1fr; gap: 30px; }
  .nd-stat__row { grid-template-columns: 46px 1fr; gap: 14px; }
  .nd-stat__desc { grid-column: 2 / 3; }
  .nd-detail, .nd-prodshow, .nd-prodhero, .nd-contact { grid-template-columns: 1fr; gap: 36px; }
  .nd-foot__top { grid-template-columns: 1fr 1fr; }
  .nd-wrap, .nd-hero__in, .nd-foot__top, .nd-foot__city, .nd-foot__nap, .nd-foot__copy { padding-left: 30px; padding-right: 30px; }
  .nd-pagehead { padding: 64px 0 44px; }
  .nd-pagehead__h1 { font-size: 36px; }
}
@media (max-width: 640px) {
  .nd-wrap, .nd-hero__in, .nd-top__in, .nd-foot__top, .nd-foot__city, .nd-foot__nap, .nd-foot__copy { padding-left: 20px; padding-right: 20px; }
  .nd-hero { padding: 52px 0; }
  .nd-hero__h1 { font-size: 33px; }
  .nd-hero__foot { margin-top: 46px; }
  .nd-sec { padding: 54px 0; }
  .nd-h2 { font-size: 24px; }
  .nd-prod__grid, .nd-adv__grid, .nd-promise__grid, .nd-contact { grid-template-columns: 1fr; gap: 34px; }
  .nd-city__grid, .nd-partners__grid { grid-template-columns: 1fr; }
  .nd-news__row { grid-template-columns: 1fr 20px; gap: 6px 12px; }
  .nd-news__date { grid-column: 1 / 3; }
  .nd-pagehead { padding: 46px 0 34px; }
  .nd-pagehead__h1 { font-size: 27px; }
  .nd-cta__tel { font-size: 26px; }
  .nd-foot__top { grid-template-columns: 1fr; gap: 22px; }
  .nd-dial { display: block; }
  .nd-body { padding-bottom: 66px; }
  .nd-faq__a { padding-left: 0; }
  .nd-ad__figure { padding: 0; }
}