/* ============================================================
   generic-19 · 通用型企业子站模板
   类前缀：sw-   原型：A 分屏 Hero（Swiss 国际主义）
   配色：白 #FFFFFF / 黑 #0A0A0A / 红 #E2231A / 浅灰 #F2F2F2
   字体：Helvetica / Arial 无衬线，紧凑字距，微型全大写英文标签
   签名：1px 黑边扁平卡片、直角、无阴影、红色序号方块、严格栏线
   ============================================================ */

.sw-body {
  --sw-white: #FFFFFF;
  --sw-black: #0A0A0A;
  --sw-red: #E2231A;
  --sw-gray: #F2F2F2;
  --sw-mid: #6E6E6E;
  --sw-sans: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
.sw-body {
  font-family: var(--sw-sans);
  color: var(--sw-black);
  background: var(--sw-white);
  line-height: 1.7;
  letter-spacing: -.01em;
  -webkit-font-smoothing: antialiased;
}
.sw-body img { max-width: 100%; height: auto; border: 0; }
.sw-body a { color: inherit; text-decoration: none; }
.sw-body ul, .sw-body ol { list-style: none; margin: 0; padding: 0; }
.sw-body p { margin: 0; }
.sw-wrap { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 28px; }
.sw-hide { display: none !important; }
.sw-noscroll { overflow: hidden; }

/* ---------- 通用元素 ---------- */
.sw-label {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--sw-red);
}
.sw-h2 {
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -.03em;
  font-weight: 700;
  margin: 6px 0 0;
  color: var(--sw-black);
}
.sw-h2--sub { margin-top: 34px; }
.sw-rule { height: 1px; background: var(--sw-black); margin: 16px 0 0; }
.sw-rule--red { background: var(--sw-red); height: 2px; margin: 18px 0 0; }
.sw-sec { padding: 64px 0; border-top: 1px solid var(--sw-black); }
.sw-sec--gray { background: var(--sw-gray); }
.sw-sechead { margin-bottom: 34px; }
.sw-sechead__lead { margin-top: 10px; font-size: 14px; color: var(--sw-mid); }
.sw-empty { padding: 40px 0; font-size: 14px; color: var(--sw-mid); }
.sw-rich { font-size: 15px; line-height: 1.9; color: #1b1b1b; }
.sw-rich p { margin: 0 0 14px; }
.sw-rich img { display: block; max-width: 100%; }

.sw-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 10px 24px;
  border: 1px solid var(--sw-black); border-radius: 0;
  font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  transition: background .18s ease, color .18s ease;
}
.sw-btn--red { background: var(--sw-red); border-color: var(--sw-red); color: #fff; }
.sw-btn--red:hover { background: var(--sw-black); border-color: var(--sw-black); }
.sw-btn--line { background: transparent; color: var(--sw-black); }
.sw-btn--line:hover { background: var(--sw-black); color: #fff; }
.sw-link {
  display: inline-block; margin-top: 26px; padding-bottom: 2px;
  font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--sw-black); border-bottom: 2px solid var(--sw-red);
}
.sw-link:hover { color: var(--sw-red); }

/* ---------- 顶栏 ---------- */
.sw-utility { background: var(--sw-black); color: #fff; }
.sw-utility__in {
  max-width: 1280px; margin: 0 auto; padding: 5px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 10px; letter-spacing: .18em; text-transform: uppercase;
}
.sw-utility__tel { color: #fff; font-weight: 700; }
.sw-utility__tel:hover { color: var(--sw-red); }

.sw-head { background: #fff; border-top: 1px solid var(--sw-black); border-bottom: 1px solid var(--sw-black); position: sticky; top: 0; z-index: 70; }
.sw-head__in {
  max-width: 1280px; margin: 0 auto; padding: 0 28px; min-height: 78px;
  display: flex; align-items: center; gap: 24px;
}
.sw-brand { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.sw-brand__img { height: 40px; width: auto; display: block; }
.sw-brand__title { display: flex; flex-direction: column; padding-left: 14px; border-left: 1px solid var(--sw-black); }
.sw-brand__name { font-size: 20px; font-weight: 800; line-height: 1.2; letter-spacing: -.03em; }
.sw-brand__meta { font-size: 11px; color: var(--sw-mid); letter-spacing: .02em; }
.sw-brand__meta b { color: var(--sw-red); font-weight: 700; }

.sw-nav { margin-left: auto; display: flex; align-items: stretch; align-self: stretch; }
.sw-nav__item {
  display: flex; align-items: center; padding: 0 16px; position: relative;
  font-size: 13px; font-weight: 600; letter-spacing: .06em;
}
.sw-nav__item:hover { color: var(--sw-red); }
.sw-nav__item--on { color: var(--sw-red); }
.sw-nav__item--on::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: -1px; height: 3px; background: var(--sw-red);
}
.sw-head__call {
  font-size: 11px; font-weight: 700; letter-spacing: .16em;
  border: 1px solid var(--sw-black); padding: 8px 16px;
}
.sw-head__call:hover { background: var(--sw-red); border-color: var(--sw-red); color: #fff; }
.sw-burger { display: none; margin-left: auto; width: 42px; height: 38px; padding: 9px; border: 1px solid var(--sw-black); background: #fff; cursor: pointer; }
.sw-burger span { display: block; height: 2px; background: var(--sw-black); margin: 4px 0; }

/* ---------- 抽屉 ---------- */
.sw-drawer {
  display: none; position: fixed; inset: 0 0 0 auto; width: 82%; max-width: 340px;
  background: #fff; border-left: 1px solid var(--sw-black); z-index: 220;
  padding: 20px; overflow-y: auto;
}
.sw-drawer--open { display: block; }
.sw-drawer__head { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--sw-black); padding-bottom: 12px; }
.sw-drawer__name { font-weight: 800; font-size: 16px; }
.sw-drawer__close { border: 0; background: none; font-size: 26px; line-height: 1; cursor: pointer; color: var(--sw-black); }
.sw-drawer__item { display: block; padding: 14px 2px; border-bottom: 1px solid #d8d8d8; font-size: 15px; }
.sw-drawer__item--on { color: var(--sw-red); font-weight: 700; }
.sw-drawer__tel { display: block; margin-top: 22px; padding: 14px; text-align: center; background: var(--sw-red); color: #fff; font-weight: 700; letter-spacing: .06em; }

/* ---------- Hero ---------- */
.sw-hero { background: #fff; border-bottom: 1px solid var(--sw-black); }
.sw-hero__in {
  max-width: 1280px; margin: 0 auto; padding: 0 28px;
  display: grid; grid-template-columns: 7fr 5fr; align-items: stretch;
}
.sw-hero__copy { padding: 70px 52px 70px 0; align-self: center; }
.sw-hero__h1 {
  margin: 16px 0 18px; font-size: 52px; line-height: 1.04; letter-spacing: -.045em; font-weight: 800;
}
.sw-hero__slash { color: var(--sw-red); margin: 0 .08em; }
.sw-hero__lead { font-size: 15px; color: var(--sw-mid); max-width: 460px; }
.sw-hero__meta { margin: 28px 0 0; border-top: 1px solid var(--sw-black); }
.sw-hero__metarow { display: flex; align-items: baseline; gap: 18px; padding: 10px 0; border-bottom: 1px solid var(--sw-black); }
.sw-hero__metarow dt { flex: 0 0 120px; font-size: 10px; letter-spacing: .18em; color: var(--sw-mid); font-weight: 700; }
.sw-hero__metarow dd { margin: 0; font-size: 14px; font-weight: 600; }
.sw-hero__metarow dd a { color: var(--sw-red); }
.sw-hero__btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.sw-hero__figure { margin: 0; border-left: 1px solid var(--sw-black); display: flex; flex-direction: column; }
.sw-hero__img { display: block; width: 100%; height: 100%; min-height: 420px; object-fit: cover; }
.sw-hero__cap { padding: 8px 0 8px 14px; font-size: 10px; letter-spacing: .16em; color: var(--sw-mid); border-top: 1px solid var(--sw-black); }

/* ---------- 数据条 ---------- */
.sw-bar { border-bottom: 1px solid var(--sw-black); }
.sw-bar__in { max-width: 1280px; margin: 0 auto; padding: 0 28px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 3px solid var(--sw-red); }
.sw-bar__cell { padding: 24px 22px 26px; border-left: 1px solid var(--sw-black); }
.sw-bar__cell:first-child { border-left: 0; padding-left: 0; }
.sw-bar__no {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; background: var(--sw-red); color: #fff;
  font-size: 17px; font-weight: 700; margin-bottom: 14px;
}
.sw-bar__title { font-size: 19px; font-weight: 800; letter-spacing: -.02em; line-height: 1.25; }
.sw-bar__desc { margin-top: 6px; font-size: 12.5px; line-height: 1.6; color: var(--sw-mid); }

/* ---------- 简介 ---------- */
.sw-about__in { display: grid; grid-template-columns: 3fr 9fr; gap: 48px; align-items: start; }
.sw-about__note { margin-top: 16px; font-size: 13px; color: var(--sw-mid); }
.sw-about__full {
  font-size: 15px; line-height: 1.9; max-height: 250px; overflow: hidden; position: relative;
  -webkit-mask-image: linear-gradient(180deg, #000 80%, transparent);
  mask-image: linear-gradient(180deg, #000 80%, transparent);
}
.sw-about__full--open { max-height: none; -webkit-mask-image: none; mask-image: none; }
.sw-about__full p { margin: 0 0 12px; }
.sw-about__full img { display: none; }
.sw-about__toggle { margin: 8px 0 0; }
.sw-about__btn {
  display: inline-flex; align-items: center; gap: 8px;
  border: 0; background: none; padding: 4px 0; cursor: pointer;
  font-family: inherit; font-size: 12px; font-weight: 700; letter-spacing: .1em; color: var(--sw-red);
}
.sw-about__arr { font-size: 16px; line-height: 1; }

/* ---------- 产品 ---------- */
.sw-prod__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--sw-black); border-left: 1px solid var(--sw-black); }
.sw-prod__item {
  position: relative; display: flex; flex-direction: column;
  border-right: 1px solid var(--sw-black); border-bottom: 1px solid var(--sw-black);
  background: #fff; padding: 0; min-height: 100%;
}
.sw-prod__item:hover { background: var(--sw-gray); }
.sw-prod__no {
  position: absolute; z-index: 2; top: 10px; left: 10px;
  width: 24px; height: 24px; display: flex; align-items: center; justify-content: center;
  background: var(--sw-red); color: #fff; font-size: 11px; font-weight: 700;
}
.sw-prod__img { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--sw-gray); }
.sw-prod__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sw-prod__name { display: block; padding: 14px 16px; font-size: 14px; font-weight: 700; line-height: 1.4; }

/* ---------- 优势表格 ---------- */
.sw-adv__table { border-top: 1px solid var(--sw-black); }
.sw-adv__row {
  display: grid; grid-template-columns: 46px 280px 1fr; gap: 20px; align-items: baseline;
  padding: 20px 0; border-bottom: 1px solid var(--sw-black);
}
.sw-adv__no {
  width: 26px; height: 26px; display: flex; align-items: center; justify-content: center;
  background: var(--sw-red); color: #fff; font-size: 11px; font-weight: 700;
}
.sw-adv__name { font-size: 18px; font-weight: 800; letter-spacing: -.02em; line-height: 1.3; }
.sw-adv__desc { font-size: 13.5px; color: var(--sw-mid); line-height: 1.75; }

/* ---------- 广告图 ---------- */
.sw-ad__head { margin-bottom: 26px; }
.sw-ad__figure { margin: 0; border: 1px solid var(--sw-black); }
.sw-ad__img { display: block; width: 100%; }
.sw-ad__cap { padding: 10px 14px; border-top: 1px solid var(--sw-black); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--sw-mid); }

/* ---------- 承诺 / 应用 ---------- */
.sw-promise__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.sw-promise__list { margin-top: 20px; border-top: 1px solid var(--sw-black); }
.sw-promise__item {
  display: flex; gap: 12px; align-items: baseline;
  padding: 12px 0; border-bottom: 1px solid #cfcfcf; font-size: 14px; line-height: 1.7;
}
.sw-promise__dot { flex: 0 0 8px; width: 8px; height: 8px; background: var(--sw-red); }

/* ---------- 新闻 ---------- */
.sw-news__table { border-top: 1px solid var(--sw-black); }
.sw-news__row {
  display: grid; grid-template-columns: 130px 1fr 30px; gap: 20px; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--sw-black);
}
.sw-news__row:hover .sw-news__title { color: var(--sw-red); }
.sw-news__row--list { grid-template-columns: 130px 1fr 30px; align-items: start; }
.sw-news__date { font-size: 12px; letter-spacing: .06em; color: var(--sw-mid); }
.sw-news__main { display: block; min-width: 0; }
.sw-news__title { display: block; font-size: 16px; font-weight: 700; line-height: 1.45; }
.sw-news__desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-top: 4px; font-size: 13px; color: var(--sw-mid); }
.sw-news__arrow { font-size: 18px; text-align: right; }
.sw-region {
  display: inline-block; font-style: normal; margin-right: 8px; padding: 1px 6px;
  background: var(--sw-black); color: #fff; font-size: 10px; letter-spacing: .1em; vertical-align: 2px;
}

/* ---------- FAQ ---------- */
.sw-faq__list { border-top: 1px solid var(--sw-black); }
.sw-faq__item { border-bottom: 1px solid var(--sw-black); background: transparent; }
.sw-faq__item summary {
  display: flex; align-items: baseline; gap: 14px; list-style: none; cursor: pointer;
  padding: 18px 30px 18px 0; position: relative; font-size: 15px; font-weight: 700; line-height: 1.5;
}
.sw-faq__item summary::-webkit-details-marker { display: none; }
.sw-faq__item summary::after { content: "+"; position: absolute; right: 2px; top: 16px; font-size: 20px; font-weight: 400; color: var(--sw-red); }
.sw-faq__item[open] summary::after { content: "−"; }
.sw-faq__no { flex: 0 0 auto; color: var(--sw-red); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.sw-faq__a { padding: 0 30px 20px 38px; font-size: 13.5px; color: #3d3d3d; line-height: 1.8; }

/* ---------- 分站 ---------- */
.sw-city__grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--sw-black); border-left: 1px solid var(--sw-black); }
.sw-city__item {
  display: flex; flex-direction: column; gap: 2px; padding: 14px 16px;
  border-right: 1px solid var(--sw-black); border-bottom: 1px solid var(--sw-black);
}
.sw-city__item:hover { background: var(--sw-red); color: #fff; }
.sw-city__item:hover .sw-city__site { color: rgba(255,255,255,.8); }
.sw-city__region { font-size: 15px; font-weight: 800; }
.sw-city__site { font-size: 11px; color: var(--sw-mid); }
.sw-city__item--fold { display: none; }
.sw-city__grid--open .sw-city__item--fold { display: flex; }
.sw-city__more {
  margin-top: 22px; padding: 10px 22px; border: 1px solid var(--sw-black); background: #fff;
  font-family: inherit; font-size: 12px; font-weight: 700; letter-spacing: .12em; cursor: pointer;
}
.sw-city__more:hover { background: var(--sw-black); color: #fff; }

/* ---------- 关联企业 ---------- */
.sw-partners__grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--sw-black); border-left: 1px solid var(--sw-black); }
.sw-partners__item {
  display: flex; align-items: baseline; justify-content: space-between; gap: 8px;
  padding: 12px 14px; border-right: 1px solid var(--sw-black); border-bottom: 1px solid var(--sw-black);
  background: #fff; font-size: 13px;
}
.sw-partners__item:hover { background: var(--sw-black); color: #fff; }
.sw-partners__name { font-weight: 700; }
.sw-partners__region { font-size: 11px; color: var(--sw-mid); }

/* ---------- CTA ---------- */
.sw-cta { background: var(--sw-red); color: #fff; padding: 52px 0; border-top: 1px solid var(--sw-black); }
.sw-cta__in { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.sw-label--light { color: #fff; opacity: .75; }
.sw-cta__title { margin: 8px 0 4px; font-size: 30px; font-weight: 800; letter-spacing: -.03em; }
.sw-cta__lead { font-size: 14px; color: rgba(255,255,255,.85); }
.sw-cta__tel { font-size: 40px; font-weight: 800; letter-spacing: -.03em; color: #fff; white-space: nowrap; }
.sw-cta__tel:hover { color: var(--sw-black); }

/* ---------- 页脚 ---------- */
.sw-foot { background: var(--sw-black); color: rgba(255,255,255,.72); font-size: 13px; padding-top: 52px; }
.sw-foot__top { max-width: 1280px; margin: 0 auto; padding: 0 28px 34px; display: grid; grid-template-columns: 1.6fr .6fr 1fr; gap: 40px; }
.sw-foot__kicker { font-size: 10px; letter-spacing: .2em; color: var(--sw-red); font-weight: 700; }
.sw-foot__name { margin: 10px 0 6px; font-size: 24px; font-weight: 800; color: #fff; letter-spacing: -.03em; }
.sw-foot__desc { margin: 0 0 12px; }
.sw-foot__tel { font-size: 22px; font-weight: 800; color: #fff; }
.sw-foot__tel:hover { color: var(--sw-red); }
.sw-foot__tt { font-size: 10px; letter-spacing: .2em; color: #fff; font-weight: 700; margin-bottom: 12px; }
.sw-foot__link { display: block; padding: 4px 0; }
.sw-foot__link:hover { color: var(--sw-red); }
.sw-foot__line { margin: 0 0 6px; }
.sw-foot__line a { color: #fff; }
.sw-foot__city { max-width: 1280px; margin: 0 auto; padding: 16px 28px; border-top: 1px solid rgba(255,255,255,.16); }
.sw-foot__citytt { font-size: 10px; letter-spacing: .18em; color: #fff; font-weight: 700; margin-right: 10px; }
.sw-foot__citylist { display: inline; }
.sw-foot__cityitem { display: inline-block; margin: 0 14px 6px 0; font-size: 12px; }
.sw-foot__cityitem:hover { color: var(--sw-red); }
.sw-foot__cityitem--fold { display: none; }
.sw-foot__citylist--open .sw-foot__cityitem--fold { display: inline-block; }
.sw-foot__morebtn { border: 1px solid rgba(255,255,255,.4); background: none; color: #fff; padding: 3px 10px; font-family: inherit; font-size: 11px; cursor: pointer; }
.sw-foot__nap { max-width: 1280px; margin: 0 auto; padding: 14px 28px; border-top: 1px solid rgba(255,255,255,.16); font-size: 11.5px; color: rgba(255,255,255,.5); }
.sw-foot__nap p { margin: 0 0 4px; }
.sw-foot__copy { max-width: 1280px; margin: 0 auto; padding: 14px 28px 28px; border-top: 1px solid rgba(255,255,255,.16); display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; font-size: 11px; color: rgba(255,255,255,.45); }
.sw-foot__copy a { color: rgba(255,255,255,.6); }
.sw-foot__copy a:hover { color: var(--sw-red); }

/* ---------- 移动拨号 ---------- */
.sw-dial { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; padding: 8px 12px; background: #fff; border-top: 1px solid var(--sw-black); }
.sw-dial__tel { display: block; text-align: center; padding: 13px; background: var(--sw-red); color: #fff; font-weight: 800; letter-spacing: .04em; }

/* ---------- 内页页头 ---------- */
.sw-pagehead { background: var(--sw-black); color: #fff; padding: 54px 0 0; }
.sw-crumb { font-size: 11px; letter-spacing: .06em; color: rgba(255,255,255,.6); margin: 0 0 12px; }
.sw-crumb a { color: rgba(255,255,255,.85); }
.sw-crumb a:hover { color: #fff; }
.sw-pagehead__h1 { font-size: 44px; line-height: 1.1; letter-spacing: -.04em; font-weight: 800; margin: 0; padding-bottom: 26px; }
.sw-pagehead__line { height: 5px; background: var(--sw-red); }

/* ---------- 列表页 ---------- */
.sw-sec > .sw-wrap > .pagination { margin-top: 28px; }
.pagination { text-align: center; font-size: 13px; }
.pagination a, .pagination span {
  display: inline-block; min-width: 36px; padding: 7px 10px; margin: 0 3px;
  border: 1px solid var(--sw-black); color: var(--sw-black);
}
.pagination a:hover { background: var(--sw-gray); }
.pagination .current { background: var(--sw-black); border-color: var(--sw-black); color: #fff; }

/* ---------- 新闻详情 ---------- */
.sw-detail { display: grid; grid-template-columns: 1fr 330px; gap: 44px; align-items: start; }
.sw-post__meta { padding-bottom: 14px; margin-bottom: 22px; border-bottom: 1px solid var(--sw-black); font-size: 11px; letter-spacing: .1em; color: var(--sw-mid); }
.sw-post__cover { display: block; width: 100%; margin-bottom: 22px; border: 1px solid var(--sw-black); }
.sw-post__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--sw-black); }
.sw-side { border: 1px solid var(--sw-black); }
.sw-side__head { padding: 18px 18px 12px; border-bottom: 3px solid var(--sw-red); }
.sw-side__tt { margin: 4px 0 0; font-size: 19px; font-weight: 800; letter-spacing: -.02em; }
.sw-side__item { display: block; padding: 12px 18px; border-bottom: 1px solid #d5d5d5; }
.sw-side__item:hover .sw-side__title { color: var(--sw-red); }
.sw-side__title { display: block; font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sw-side__date { display: block; margin-top: 3px; font-size: 11px; color: var(--sw-mid); }
.sw-side__empty { padding: 18px; font-size: 12px; color: var(--sw-mid); }
.sw-side .sw-link { margin: 16px 18px 18px; }

/* ---------- 产品详情 ---------- */
.sw-prodpage { border-top: 0; }
.sw-crumb--dark { color: var(--sw-mid); margin: 0 0 24px; }
.sw-crumb--dark a { color: var(--sw-black); border-bottom: 1px solid var(--sw-red); }
.sw-prodhero { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--sw-black); }
.sw-prodhero__media { border-right: 1px solid var(--sw-black); background: var(--sw-gray); min-height: 360px; display: flex; align-items: center; justify-content: center; }
.sw-prodhero__media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.sw-prodhero__body { padding: 34px 36px; }
.sw-prodhero__h1 { margin: 12px 0 12px; font-size: 32px; line-height: 1.2; letter-spacing: -.035em; font-weight: 800; }
.sw-prodhero__desc { font-size: 14px; color: var(--sw-mid); line-height: 1.8; }
.sw-inforows { margin: 22px 0; border-top: 1px solid var(--sw-black); }
.sw-inforows__row { display: flex; gap: 14px; padding: 9px 0; border-bottom: 1px solid #d5d5d5; font-size: 13px; }
.sw-inforows__k { flex: 0 0 84px; color: var(--sw-mid); }
.sw-inforows__v { flex: 1 1 auto; }
.sw-inforows__v a { color: var(--sw-red); font-weight: 700; }
.sw-prodhero__btns { display: flex; gap: 10px; flex-wrap: wrap; }
.sw-prodshow { display: grid; grid-template-columns: 1fr 330px; gap: 40px; align-items: start; margin-top: 44px; }
.sw-panel { border: 1px solid var(--sw-black); padding: 18px; margin-bottom: 16px; }
.sw-panel__tt { margin: 0 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--sw-red); font-size: 15px; font-weight: 800; letter-spacing: -.01em; }
.sw-panel p { margin: 0 0 6px; font-size: 12.5px; color: var(--sw-mid); }
.sw-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.sw-chip { display: inline-block; padding: 3px 9px; border: 1px solid var(--sw-black); font-size: 11.5px; }

/* ---------- 联系页 ---------- */
.sw-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.sw-contact__card { border: 1px solid var(--sw-black); padding: 30px; }
.sw-contact__row { display: flex; gap: 14px; padding: 11px 0; border-bottom: 1px solid #d5d5d5; font-size: 14px; }
.sw-contact__k { flex: 0 0 84px; color: var(--sw-mid); font-size: 12px; letter-spacing: .08em; }
.sw-contact__row a { color: var(--sw-red); font-weight: 700; }
.sw-contact__btn { margin-top: 24px; }
.sw-steps { margin-top: 18px; border-top: 1px solid var(--sw-black); }
.sw-steps li { display: flex; gap: 14px; align-items: baseline; padding: 12px 0; border-bottom: 1px solid #d5d5d5; font-size: 14px; }
.sw-steps__no { font-size: 11px; font-weight: 700; color: var(--sw-red); letter-spacing: .1em; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .sw-nav, .sw-head__call { display: none; }
  .sw-burger { display: block; }
  .sw-hero__in { grid-template-columns: 1fr; }
  .sw-hero__copy { padding: 46px 0; }
  .sw-hero__h1 { font-size: 38px; }
  .sw-hero__figure { border-left: 0; border-top: 1px solid var(--sw-black); }
  .sw-hero__img { min-height: 0; aspect-ratio: 16 / 9; }
  .sw-bar__in { grid-template-columns: repeat(2, 1fr); }
  .sw-bar__cell:nth-child(3) { border-left: 0; padding-left: 0; }
  .sw-about__in { grid-template-columns: 1fr; gap: 26px; }
  .sw-prod__grid, .sw-city__grid, .sw-partners__grid { grid-template-columns: repeat(2, 1fr); }
  .sw-promise__grid { grid-template-columns: 1fr; gap: 34px; }
  .sw-detail, .sw-prodshow, .sw-prodhero, .sw-contact { grid-template-columns: 1fr; }
  .sw-prodhero__media { border-right: 0; border-bottom: 1px solid var(--sw-black); }
  .sw-foot__top { grid-template-columns: 1fr 1fr; }
  .sw-sec { padding: 48px 0; }
  .sw-pagehead__h1 { font-size: 32px; }
}
@media (max-width: 640px) {
  .sw-wrap { padding: 0 18px; }
  .sw-utility__in, .sw-head__in { padding-left: 18px; padding-right: 18px; }
  .sw-brand__img { height: 32px; }
  .sw-brand__name { font-size: 16px; }
  .sw-brand__meta { font-size: 10px; }
  .sw-hero__h1 { font-size: 30px; }
  .sw-hero__metarow dt { flex: 0 0 96px; }
  .sw-bar__in { grid-template-columns: 1fr; }
  .sw-bar__cell { border-left: 0; padding-left: 0; }
  .sw-prod__grid, .sw-city__grid, .sw-partners__grid { grid-template-columns: 1fr; }
  .sw-adv__row { grid-template-columns: 34px 1fr; gap: 12px; }
  .sw-adv__desc { grid-column: 2 / 3; }
  .sw-news__row { grid-template-columns: 96px 1fr 20px; gap: 12px; }
  .sw-news__title { font-size: 14px; }
  .sw-cta__tel { font-size: 28px; }
  .sw-pagehead__h1 { font-size: 24px; }
  .sw-foot__top { grid-template-columns: 1fr; gap: 24px; }
  .sw-dial { display: block; }
  .sw-body { padding-bottom: 68px; }
  .sw-faq__a { padding-left: 0; }
}