/* ============================================================
   generic-24 · 通用型企业子站模板（GEO 规范版）
   类前缀：bp-   原型：D 纵向长页叙事
   签名：工程蓝图（蓝 #0B2E4F / 白线 / 琥珀 #F2B134 / 浅蓝 #DCEEFF）
        等宽技术标注 + 无衬线正文 / 网格底 / 尺寸线 / 技术框角标 / 规格表
   ============================================================ */

/* ---------- 设计令牌 ---------- */
.bp-body {
  --bp-blue: #0B2E4F;
  --bp-blue-2: #0E3A63;
  --bp-blue-3: #12466F;
  --bp-amber: #F2B134;
  --bp-light: #DCEEFF;
  --bp-bg: #F6F9FC;
  --bp-card: #FFFFFF;
  --bp-ink: #152C41;
  --bp-heading: #0B2E4F;
  --bp-muted: #5E7488;
  --bp-line: #C9DCEB;
  --bp-mono: Consolas, "Courier New", "Lucida Console", monospace;
  --bp-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --bp-r: 2px;
  --bp-head-h: 64px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
.bp-body {
  font-family: var(--bp-sans);
  color: var(--bp-ink);
  background: var(--bp-bg);
  line-height: 1.78;
  -webkit-font-smoothing: antialiased;
}
.bp-body img { max-width: 100%; height: auto; border: 0; }
.bp-body a { color: inherit; text-decoration: none; }
.bp-body ul { list-style: none; margin: 0; padding: 0; }
.bp-body h1, .bp-body h2, .bp-body h3 { line-height: 1.28; }
.bp-wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.bp-hide { display: none !important; }
.bp-noscroll { overflow: hidden; }

/* ---------- 顶部细头 ---------- */
.bp-head {
  background: var(--bp-blue);
  border-bottom: 2px solid var(--bp-amber);
  position: sticky; top: 0; z-index: 90;
}
.bp-head__in {
  max-width: 1280px; margin: 0 auto; padding: 0 28px;
  min-height: var(--bp-head-h);
  display: flex; align-items: center; gap: 26px;
}
.bp-brand { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.bp-brand__logo { display: block; background: #fff; padding: 3px 4px; border: 1px solid rgba(220, 238, 255, .35); }
.bp-brand__img { height: 34px; width: auto; display: block; }
.bp-brand__title { display: flex; flex-direction: column; padding-left: 12px; border-left: 1px solid rgba(220, 238, 255, .28); }
.bp-brand__name { font-size: 19px; font-weight: 700; line-height: 1.25; color: #fff; letter-spacing: .02em; }
.bp-brand__meta { font-family: var(--bp-mono); font-size: 11px; color: rgba(220, 238, 255, .72); letter-spacing: .04em; }
.bp-brand__meta b { color: var(--bp-amber); font-weight: 700; }
.bp-nav { margin-left: auto; display: flex; align-items: center; flex-wrap: wrap; gap: 0; }
.bp-nav__item {
  font-family: var(--bp-mono); font-size: 13px; letter-spacing: .08em;
  color: rgba(220, 238, 255, .82); padding: 9px 13px;
  border-bottom: 2px solid transparent; transition: color .2s, border-color .2s;
}
.bp-nav__item:hover { color: #fff; border-bottom-color: var(--bp-amber); }
.bp-nav__on { color: var(--bp-amber); border-bottom-color: var(--bp-amber); }
.bp-head__tel {
  font-family: var(--bp-mono); font-size: 12px; letter-spacing: .04em;
  color: var(--bp-blue); background: var(--bp-amber);
  padding: 10px 14px; white-space: nowrap;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.bp-head__tel span { font-weight: 700; }
.bp-head__tel:hover { background: #ffc44d; }
.bp-burger { display: none; margin-left: auto; background: none; border: 1px solid rgba(220, 238, 255, .4); padding: 8px 10px; cursor: pointer; }
.bp-burger span { display: block; width: 20px; height: 1px; background: var(--bp-light); margin: 5px 0; }

/* ---------- 移动抽屉 ---------- */
.bp-drawer {
  display: none; position: fixed; inset: 0 0 0 auto; width: 82%; max-width: 330px;
  background: var(--bp-blue); color: var(--bp-light); z-index: 200;
  padding: 20px; overflow-y: auto;
  border-left: 2px solid var(--bp-amber);
  background-image:
    repeating-linear-gradient(0deg, rgba(220, 238, 255, .06) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(90deg, rgba(220, 238, 255, .06) 0 1px, transparent 1px 26px);
}
.bp-drawer--open { display: block; }
.bp-drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid rgba(220, 238, 255, .22); }
.bp-drawer__name { font-weight: 700; color: #fff; }
.bp-drawer__close { border: 0; background: none; font-size: 26px; line-height: 1; cursor: pointer; color: var(--bp-light); }
.bp-drawer__item { display: block; padding: 13px 4px; border-bottom: 1px dashed rgba(220, 238, 255, .2); font-family: var(--bp-mono); font-size: 14px; letter-spacing: .06em; color: rgba(220, 238, 255, .85); }
.bp-drawer__on { color: var(--bp-amber); }
.bp-drawer__tel { display: block; margin-top: 20px; text-align: center; padding: 12px; background: var(--bp-amber); color: var(--bp-blue); font-family: var(--bp-mono); font-weight: 700; letter-spacing: .04em; }

/* ---------- 通用区块 / 技术标注 ---------- */
.bp-sec { padding: 84px 0; }
.bp-sec[id] { scroll-margin-top: 132px; }
.bp-sec--alt { background: #EDF4FA; }
.bp-sec--dark { background: var(--bp-blue); color: var(--bp-light); }
.bp-label {
  font-family: var(--bp-mono); font-size: 11px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--bp-muted);
}
.bp-sechead {
  display: grid; grid-template-columns: 132px 1fr; gap: 28px;
  border-top: 1px solid var(--bp-blue); padding-top: 18px; margin-bottom: 38px;
}
.bp-chap { border-right: 1px solid var(--bp-line); padding-right: 18px; }
.bp-chap__no { display: block; font-family: var(--bp-mono); font-size: 38px; line-height: 1; color: var(--bp-amber); font-weight: 700; }
.bp-chap__label { display: block; margin-top: 8px; font-family: var(--bp-mono); font-size: 10px; letter-spacing: .24em; color: var(--bp-muted); }
.bp-h2 { font-size: clamp(24px, 2.6vw, 32px); margin: 0 0 8px; color: var(--bp-heading); font-weight: 700; letter-spacing: .01em; }
.bp-h3 { font-size: 17px; margin: 0 0 6px; color: var(--bp-heading); font-weight: 700; }
.bp-lead { margin: 0; font-size: 15px; color: var(--bp-muted); max-width: 760px; }
.bp-link { font-family: var(--bp-mono); font-size: 13px; letter-spacing: .04em; color: var(--bp-blue); border-bottom: 1px solid var(--bp-amber); padding-bottom: 2px; }
.bp-link:hover { color: var(--bp-blue-3); }
.bp-rich { font-size: 15px; color: var(--bp-ink); line-height: 1.95; }
.bp-rich p { margin: 0 0 12px; }
.bp-rich img { border: 1px solid var(--bp-line); }

/* 技术框：虚线内框 + 琥珀角标 */
.bp-frame {
  position: relative; background: var(--bp-card);
  border: 1px solid var(--bp-line); padding: 28px;
}
.bp-frame::before, .bp-frame::after {
  content: ""; position: absolute; width: 14px; height: 14px; pointer-events: none;
}
.bp-frame::before { top: -1px; left: -1px; border-top: 2px solid var(--bp-amber); border-left: 2px solid var(--bp-amber); }
.bp-frame::after { bottom: -1px; right: -1px; border-bottom: 2px solid var(--bp-amber); border-right: 2px solid var(--bp-amber); }
.bp-frame--dash { border-style: dashed; }

/* 尺寸线 */
.bp-dim { display: block; position: relative; width: 230px; height: 18px; border-top: 1px solid rgba(220, 238, 255, .55); }
.bp-dim::before, .bp-dim::after { content: ""; position: absolute; top: -5px; width: 1px; height: 10px; background: rgba(220, 238, 255, .75); }
.bp-dim::before { left: 0; }
.bp-dim::after { right: 0; }
.bp-dim span { position: absolute; top: 3px; left: 0; font-family: var(--bp-mono); font-size: 10px; letter-spacing: .16em; color: rgba(220, 238, 255, .7); }

/* ---------- Hero（蓝图首屏） ---------- */
.bp-hero {
  position: relative; overflow: hidden; color: #fff;
  background-color: var(--bp-blue);
  background-image:
    repeating-linear-gradient(0deg, rgba(220, 238, 255, .07) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(220, 238, 255, .07) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(0deg, rgba(220, 238, 255, .14) 0 1px, transparent 1px 160px),
    repeating-linear-gradient(90deg, rgba(220, 238, 255, .14) 0 1px, transparent 1px 160px);
  border-bottom: 1px solid rgba(220, 238, 255, .3);
}
.bp-hero::before, .bp-hero::after {
  content: ""; position: absolute; width: 46px; height: 46px; pointer-events: none;
}
.bp-hero::before { top: 22px; left: 22px; border-top: 2px solid var(--bp-amber); border-left: 2px solid var(--bp-amber); }
.bp-hero::after { bottom: 22px; right: 22px; border-bottom: 2px solid var(--bp-amber); border-right: 2px solid var(--bp-amber); }
.bp-hero__in { max-width: 1180px; margin: 0 auto; padding: 104px 28px 116px; position: relative; }
.bp-annot { display: flex; align-items: center; gap: 10px; margin: 0 0 30px; font-family: var(--bp-mono); font-size: 11px; letter-spacing: .22em; color: rgba(220, 238, 255, .78); text-transform: uppercase; }
.bp-annot__dot { width: 7px; height: 7px; background: var(--bp-amber); display: inline-block; }
.bp-hero__h1 {
  margin: 0 0 30px; font-size: clamp(36px, 5.2vw, 66px); line-height: 1.12;
  font-weight: 800; letter-spacing: -.015em; max-width: 900px;
}
.bp-hero__h1 em { display: block; font-style: normal; color: var(--bp-amber); }
.bp-hero__dimrow { display: flex; align-items: flex-end; gap: 24px; margin-bottom: 26px; }
.bp-hero__lead { max-width: 620px; margin: 0 0 26px; font-size: 16px; color: rgba(220, 238, 255, .86); }
.bp-hero__specs { display: flex; flex-wrap: wrap; gap: 0; margin: 0 0 34px; border-top: 1px solid rgba(220, 238, 255, .26); border-bottom: 1px solid rgba(220, 238, 255, .26); max-width: 760px; }
.bp-hero__spec { padding: 12px 24px 12px 0; margin-right: 24px; border-right: 1px solid rgba(220, 238, 255, .26); font-family: var(--bp-mono); font-size: 12px; letter-spacing: .04em; color: rgba(220, 238, 255, .72); }
.bp-hero__spec b { display: block; color: #fff; font-size: 14px; font-weight: 600; margin-top: 2px; }
.bp-hero__btns { display: flex; flex-wrap: wrap; gap: 14px; }
.bp-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; font-size: 15px; font-weight: 700;
  border: 1px solid transparent; border-radius: var(--bp-r); transition: all .2s;
}
.bp-btn--amber { background: var(--bp-amber); color: var(--bp-blue); }
.bp-btn--amber:hover { background: #ffc44d; }
.bp-btn--line { border-color: rgba(220, 238, 255, .55); color: #fff; }
.bp-btn--line:hover { border-color: var(--bp-amber); color: var(--bp-amber); }
.bp-btn--blue { background: var(--bp-blue); color: #fff; }
.bp-btn--blue:hover { background: var(--bp-blue-3); }
.bp-btn--ghost { border-color: var(--bp-blue); color: var(--bp-blue); }
.bp-btn--ghost:hover { background: var(--bp-blue); color: #fff; }
.bp-hero__stamp {
  position: absolute; right: 28px; bottom: 34px;
  font-family: var(--bp-mono); font-size: 10px; letter-spacing: .2em;
  color: rgba(220, 238, 255, .55); text-align: right; line-height: 1.8;
}

/* ---------- 首页章节锚点导航 ---------- */
.bp-anchors {
  position: sticky; top: var(--bp-head-h); z-index: 60;
  background: rgba(255, 255, 255, .97); border-bottom: 1px solid var(--bp-line);
}
.bp-anchors__in { max-width: 1280px; margin: 0 auto; padding: 0 28px; display: flex; overflow-x: auto; }
.bp-anchors__item {
  display: flex; align-items: baseline; gap: 8px; padding: 14px 18px;
  border-right: 1px solid var(--bp-line); white-space: nowrap;
  font-family: var(--bp-mono); font-size: 12px; letter-spacing: .06em; color: var(--bp-muted);
  transition: color .2s, background .2s;
}
.bp-anchors__item span { color: var(--bp-amber); font-weight: 700; }
.bp-anchors__item:hover { color: var(--bp-blue); background: var(--bp-light); }

/* ---------- 公司简介 ---------- */
.bp-about__grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 28px; align-items: start; }
.bp-about__full {
  font-size: 15px; color: var(--bp-ink); line-height: 1.95; max-height: 250px; overflow: hidden; position: relative;
  -webkit-mask-image: linear-gradient(180deg, #000 76%, transparent);
  mask-image: linear-gradient(180deg, #000 76%, transparent);
}
.bp-about__full--open { max-height: none; -webkit-mask-image: none; mask-image: none; }
.bp-about__full p { margin: 0 0 12px; }
.bp-about__full img { display: none; }
.bp-about__toggle { margin: 12px 0 18px; }
.bp-about__btn { display: inline-flex; align-items: center; gap: 6px; border: 0; background: none; color: var(--bp-blue); font-family: var(--bp-mono); font-size: 12px; letter-spacing: .06em; cursor: pointer; padding: 4px 0; border-bottom: 1px dashed var(--bp-line); }
.bp-about__side { border-top: 2px solid var(--bp-blue); padding-top: 14px; }
.bp-about__siderow { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--bp-line); font-size: 13px; }
.bp-about__sidek { font-family: var(--bp-mono); font-size: 11px; letter-spacing: .08em; color: var(--bp-muted); }
.bp-about__sidev { color: var(--bp-heading); font-weight: 600; text-align: right; }
.bp-about__sidev a { color: var(--bp-blue); }
.bp-about__note { margin: 16px 0 0; font-family: var(--bp-mono); font-size: 10px; letter-spacing: .12em; color: var(--bp-muted); line-height: 1.9; }

/* ---------- 广告图版 ---------- */
.bp-plate { margin: 0; padding: 44px 0; background: #EDF4FA; }
.bp-plate__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 9px; border-bottom: 1px solid var(--bp-blue); margin-bottom: 0; }
.bp-plate__scale { font-family: var(--bp-mono); font-size: 10px; letter-spacing: .16em; color: var(--bp-muted); }
.bp-plate__frame {
  position: relative; border: 1px solid var(--bp-blue); border-top: 0; padding: 14px; background: var(--bp-card);
  background-image:
    repeating-linear-gradient(0deg, rgba(11, 46, 79, .05) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(11, 46, 79, .05) 0 1px, transparent 1px 24px);
}
.bp-plate__frame::before, .bp-plate__frame::after { content: ""; position: absolute; width: 18px; height: 18px; pointer-events: none; }
.bp-plate__frame::before { bottom: -1px; left: -1px; border-bottom: 2px solid var(--bp-amber); border-left: 2px solid var(--bp-amber); }
.bp-plate__frame::after { top: -1px; right: -1px; border-top: 2px solid var(--bp-amber); border-right: 2px solid var(--bp-amber); }
.bp-plate__frame img { display: block; width: 100%; }
.bp-plate__cap { margin: 0; padding: 10px 0 0; font-family: var(--bp-mono); font-size: 11px; letter-spacing: .06em; color: var(--bp-muted); }

/* ---------- 规格 / 实力 ---------- */
.bp-metrics { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--bp-line); border-bottom: 0; margin-bottom: 26px; background: var(--bp-card); }
.bp-metric { padding: 20px 20px 16px; border-right: 1px solid var(--bp-line); border-bottom: 1px solid var(--bp-line); }
.bp-metric:last-child { border-right: 0; }
.bp-metric__v { display: block; font-family: var(--bp-mono); font-size: 32px; line-height: 1; color: var(--bp-blue); font-weight: 700; }
.bp-metric__k { display: block; margin-top: 8px; font-size: 12px; color: var(--bp-muted); }
.bp-spec { border-top: 1px solid var(--bp-blue); background: var(--bp-card); }
.bp-spec__row { display: grid; grid-template-columns: 92px 1.1fr 1.9fr; gap: 24px; padding: 17px 18px; border-bottom: 1px solid var(--bp-line); align-items: baseline; }
.bp-spec__no { font-family: var(--bp-mono); font-size: 12px; letter-spacing: .1em; color: var(--bp-amber); }
.bp-spec__name { font-size: 16px; font-weight: 700; color: var(--bp-heading); }
.bp-spec__desc { font-size: 14px; color: var(--bp-muted); margin: 0; }

/* ---------- 产品参数表 ---------- */
.bp-ptable { border-top: 1px solid var(--bp-blue); background: var(--bp-card); }
.bp-ptable__head { display: grid; grid-template-columns: 64px 122px 1.4fr 1.2fr 74px; gap: 20px; padding: 10px 16px; background: var(--bp-blue); color: rgba(220, 238, 255, .8); font-family: var(--bp-mono); font-size: 10px; letter-spacing: .16em; }
.bp-prow { display: grid; grid-template-columns: 64px 122px 1.4fr 1.2fr 74px; gap: 20px; padding: 15px 16px; border-bottom: 1px solid var(--bp-line); align-items: center; transition: background .2s; }
.bp-prow:hover { background: #EDF4FA; }
.bp-prow__no { font-family: var(--bp-mono); font-size: 12px; color: var(--bp-amber); }
.bp-prow__media { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bp-light); border: 1px solid var(--bp-line); }
.bp-prow__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bp-prow__name { font-size: 16px; font-weight: 700; color: var(--bp-heading); }
.bp-prow__meta { font-size: 12px; color: var(--bp-muted); }
.bp-prow__go { font-family: var(--bp-mono); font-size: 11px; color: var(--bp-blue); text-align: right; letter-spacing: .06em; }
.bp-ptable__foot { margin-top: 22px; }

/* ---------- 优势 ---------- */
.bp-adv { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--bp-blue); border-left: 1px solid var(--bp-line); background: var(--bp-card); }
.bp-adv__item { position: relative; padding: 26px 24px 28px; border-right: 1px solid var(--bp-line); border-bottom: 1px solid var(--bp-line); transition: background .2s; }
.bp-adv__item:hover { background: #EDF4FA; }
.bp-adv__item::before { content: ""; position: absolute; top: 0; left: 0; width: 10px; height: 10px; border-top: 2px solid var(--bp-amber); border-left: 2px solid var(--bp-amber); }
.bp-adv__no { display: block; font-family: var(--bp-mono); font-size: 11px; letter-spacing: .14em; color: var(--bp-amber); margin-bottom: 12px; }
.bp-adv__name { font-size: 17px; font-weight: 700; color: var(--bp-heading); margin: 0 0 7px; }
.bp-adv__desc { margin: 0; font-size: 14px; color: var(--bp-muted); }

/* ---------- 承诺 / 应用 ---------- */
.bp-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.bp-clauses { border-top: 1px solid var(--bp-blue); }
.bp-clause { display: grid; grid-template-columns: 52px 1fr; gap: 12px; padding: 13px 0; border-bottom: 1px dashed var(--bp-line); font-size: 14px; }
.bp-clause__no { font-family: var(--bp-mono); font-size: 12px; color: var(--bp-amber); }
.bp-apps { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.bp-app { padding: 8px 14px; border: 1px dashed var(--bp-blue); font-family: var(--bp-mono); font-size: 12px; color: var(--bp-blue); }
.bp-duo__tt { font-family: var(--bp-mono); font-size: 11px; letter-spacing: .16em; color: var(--bp-muted); margin: 0 0 12px; }

/* ---------- 新闻 ---------- */
.bp-news { border-top: 1px solid var(--bp-blue); }
.bp-newsrow { display: grid; grid-template-columns: 122px 1fr 60px; gap: 20px; align-items: center; padding: 16px 4px; border-bottom: 1px solid var(--bp-line); transition: background .2s, padding .2s; }
.bp-newsrow:hover { background: #EDF4FA; padding-left: 12px; }
.bp-newsrow__date { font-family: var(--bp-mono); font-size: 12px; color: var(--bp-muted); }
.bp-newsrow__title { font-size: 16px; color: var(--bp-heading); font-weight: 600; }
.bp-newsrow__go { font-family: var(--bp-mono); font-size: 12px; color: var(--bp-amber); text-align: right; }
.bp-morewrap { margin-top: 24px; }

/* ---------- FAQ ---------- */
.bp-faq { max-width: 920px; }
.bp-faq__item { background: var(--bp-card); border: 1px solid var(--bp-line); border-left: 3px solid var(--bp-blue); margin-bottom: 10px; }
.bp-faq__item summary { cursor: pointer; padding: 16px 44px 16px 18px; font-size: 15px; font-weight: 600; color: var(--bp-heading); list-style: none; position: relative; }
.bp-faq__item summary::-webkit-details-marker { display: none; }
.bp-faq__item summary::after { content: "+"; position: absolute; right: 16px; top: 13px; font-family: var(--bp-mono); font-size: 20px; color: var(--bp-amber); }
.bp-faq__item[open] { border-left-color: var(--bp-amber); }
.bp-faq__item[open] summary::after { content: "–"; }
.bp-faq__item p { margin: 0; padding: 0 18px 16px; font-size: 14px; color: var(--bp-muted); }

/* ---------- 分站 ---------- */
.bp-city { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--bp-blue); border-left: 1px solid var(--bp-line); background: var(--bp-card); }
.bp-city__item { display: flex; flex-direction: column; gap: 3px; padding: 15px 16px; border-right: 1px solid var(--bp-line); border-bottom: 1px solid var(--bp-line); transition: background .2s; }
.bp-city__item:hover { background: var(--bp-light); }
.bp-city__region { font-size: 15px; font-weight: 700; color: var(--bp-blue); }
.bp-city__site { font-size: 11px; color: var(--bp-muted); }
.bp-city__item--fold { display: none; }
.bp-city--open .bp-city__item--fold { display: flex; }
.bp-city__more { margin-top: 20px; border: 1px solid var(--bp-blue); background: none; color: var(--bp-blue); padding: 8px 20px; font-family: var(--bp-mono); font-size: 12px; letter-spacing: .06em; cursor: pointer; }
.bp-city__more:hover { background: var(--bp-blue); color: #fff; }

/* ---------- 关联企业 ---------- */
.bp-partners { display: grid; grid-template-columns: 1fr 1fr; gap: 0 34px; border-top: 1px solid var(--bp-blue); }
.bp-partner { display: grid; grid-template-columns: 44px 1fr auto; gap: 12px; align-items: baseline; padding: 12px 2px; border-bottom: 1px dashed var(--bp-line); }
.bp-partner__no { font-family: var(--bp-mono); font-size: 11px; color: var(--bp-amber); }
.bp-partner__name { font-size: 14px; font-weight: 600; color: var(--bp-heading); }
.bp-partner__region { font-family: var(--bp-mono); font-size: 11px; color: var(--bp-muted); }
.bp-partner:hover .bp-partner__name { color: var(--bp-blue-3); }

/* ---------- 联系 CTA ---------- */
.bp-cta {
  position: relative; overflow: hidden; color: var(--bp-light);
  background-color: var(--bp-blue);
  background-image:
    repeating-linear-gradient(0deg, rgba(220, 238, 255, .08) 0 1px, transparent 1px 30px),
    repeating-linear-gradient(90deg, rgba(220, 238, 255, .08) 0 1px, transparent 1px 30px);
  border-top: 3px solid var(--bp-amber);
  padding: 74px 0;
}
.bp-cta::before { content: ""; position: absolute; top: 26px; right: 40px; width: 140px; height: 140px; border: 1px solid rgba(220, 238, 255, .3); border-radius: 50%; }
.bp-cta::after { content: ""; position: absolute; top: 56px; right: 70px; width: 80px; height: 80px; border: 1px dashed rgba(242, 177, 52, .6); border-radius: 50%; }
.bp-cta__in { position: relative; z-index: 1; display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.bp-cta__kicker { margin: 0 0 12px; font-family: var(--bp-mono); font-size: 11px; letter-spacing: .2em; color: var(--bp-amber); }
.bp-cta__title { margin: 0 0 8px; font-size: clamp(26px, 3.4vw, 40px); color: #fff; }
.bp-cta__lead { margin: 0; font-size: 15px; color: rgba(220, 238, 255, .8); }
.bp-cta__tel { display: inline-block; font-family: var(--bp-mono); font-size: clamp(30px, 4vw, 46px); font-weight: 700; color: var(--bp-amber); letter-spacing: .02em; border-bottom: 2px solid rgba(242, 177, 52, .45); }
.bp-cta__tel:hover { color: #ffc44d; }

/* ---------- 页脚 ---------- */
.bp-foot { background: #082238; color: rgba(220, 238, 255, .72); font-size: 13px; padding-top: 46px; border-top: 1px solid #17466F; }
.bp-foot__main { display: grid; grid-template-columns: 1.3fr .7fr 1fr; gap: 34px; max-width: 1180px; margin: 0 auto; padding: 0 28px 28px; }
.bp-foot__name { font-size: 19px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.bp-foot__desc { margin: 0 0 10px; }
.bp-foot__tel a { color: var(--bp-amber); font-family: var(--bp-mono); font-size: 21px; font-weight: 700; }
.bp-foot__tt { font-family: var(--bp-mono); font-size: 10px; letter-spacing: .18em; color: rgba(220, 238, 255, .56); margin-bottom: 11px; }
.bp-foot__nav a { display: block; padding: 4px 0; color: rgba(220, 238, 255, .72); }
.bp-foot__nav a:hover { color: var(--bp-amber); }
.bp-foot__info p { margin: 0 0 6px; }
.bp-foot__info a { color: var(--bp-amber); }
.bp-foot__city { max-width: 1180px; margin: 0 auto; padding: 16px 28px; border-top: 1px solid rgba(220, 238, 255, .12); }
.bp-foot__citytt { font-family: var(--bp-mono); font-size: 11px; letter-spacing: .08em; color: rgba(220, 238, 255, .6); margin-right: 8px; }
.bp-foot__citylist { display: inline; }
.bp-foot__cityitem { display: inline-block; margin: 0 14px 6px 0; color: rgba(220, 238, 255, .66); }
.bp-foot__cityitem:hover { color: var(--bp-amber); }
.bp-foot__cityitem--fold { display: none; }
.bp-foot__citylist--open .bp-foot__cityitem--fold { display: inline-block; }
.bp-foot__morebtn { border: 1px solid rgba(220, 238, 255, .3); background: none; color: var(--bp-light); padding: 3px 12px; font-family: var(--bp-mono); font-size: 11px; cursor: pointer; }
.bp-foot__nap { max-width: 1180px; margin: 0 auto; padding: 14px 28px; border-top: 1px solid rgba(220, 238, 255, .12); color: rgba(220, 238, 255, .5); font-size: 12px; }
.bp-foot__nap p { margin: 0 0 4px; }
.bp-foot__copy { max-width: 1180px; margin: 0 auto; padding: 16px 28px 26px; border-top: 1px solid rgba(220, 238, 255, .12); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: rgba(220, 238, 255, .45); font-family: var(--bp-mono); font-size: 11px; letter-spacing: .03em; }
.bp-foot__copy a { color: rgba(220, 238, 255, .55); }
.bp-foot__copy a:hover { color: var(--bp-amber); }

/* ---------- 移动拨号栏 ---------- */
.bp-dial { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 95; padding: 8px 12px; background: rgba(11, 46, 79, .97); border-top: 2px solid var(--bp-amber); }
.bp-dial__tel { display: block; text-align: center; padding: 11px; background: var(--bp-amber); color: var(--bp-blue); font-weight: 700; font-family: var(--bp-mono); letter-spacing: .03em; }

/* ---------- 内页页头 ---------- */
.bp-pagehead {
  color: #fff; padding: 58px 0 48px; position: relative;
  background-color: var(--bp-blue);
  background-image:
    repeating-linear-gradient(0deg, rgba(220, 238, 255, .07) 0 1px, transparent 1px 30px),
    repeating-linear-gradient(90deg, rgba(220, 238, 255, .07) 0 1px, transparent 1px 30px);
  border-bottom: 2px solid var(--bp-amber);
}
.bp-crumb { margin: 0 0 12px; font-family: var(--bp-mono); font-size: 11px; letter-spacing: .06em; color: rgba(220, 238, 255, .68); }
.bp-crumb a { color: rgba(220, 238, 255, .88); }
.bp-pagehead__h1 { margin: 0; font-size: clamp(26px, 3.6vw, 40px); color: #fff; font-weight: 800; letter-spacing: -.01em; }
.bp-pagehead__lead { margin: 10px 0 0; font-family: var(--bp-mono); font-size: 11px; letter-spacing: .14em; color: rgba(220, 238, 255, .6); }
.bp-crumb--dark { color: var(--bp-muted); margin: 0 0 20px; }
.bp-crumb--dark a { color: var(--bp-blue); }

/* ---------- 内页布局 ---------- */
.bp-page { padding: 64px 0 76px; }
.bp-two { display: grid; grid-template-columns: 1.4fr .6fr; gap: 28px; align-items: start; }
.bp-two--even { grid-template-columns: 1fr 1fr; }
.bp-sidebox { border-top: 2px solid var(--bp-blue); padding-top: 14px; }
.bp-sidebox__tt { margin: 0 0 12px; font-family: var(--bp-mono); font-size: 11px; letter-spacing: .16em; color: var(--bp-muted); }
.bp-sidebox p { margin: 0 0 8px; font-size: 13px; color: var(--bp-muted); }
.bp-sidebox strong { color: var(--bp-heading); }
.bp-subtt { margin: 30px 0 12px; font-size: 20px; color: var(--bp-heading); }
.bp-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.bp-card { background: var(--bp-card); border: 1px solid var(--bp-line); padding: 26px; position: relative; }
.bp-card::before { content: ""; position: absolute; top: -1px; left: -1px; width: 14px; height: 14px; border-top: 2px solid var(--bp-amber); border-left: 2px solid var(--bp-amber); }
.bp-card__tt { margin: 0 0 14px; font-size: 18px; color: var(--bp-heading); }
.bp-card__row { display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--bp-line); font-size: 14px; }
.bp-card__row:last-of-type { border-bottom: 0; }
.bp-card__k { font-family: var(--bp-mono); font-size: 11px; letter-spacing: .06em; color: var(--bp-muted); padding-top: 2px; }
.bp-card__row a { color: var(--bp-blue); font-weight: 600; }
.bp-steps { counter-reset: bpstep; margin: 0; padding: 0; list-style: none; }
.bp-steps li { counter-increment: bpstep; position: relative; padding: 10px 0 10px 42px; border-bottom: 1px dashed var(--bp-line); font-size: 14px; }
.bp-steps li::before { content: "0" counter(bpstep); position: absolute; left: 0; top: 12px; font-family: var(--bp-mono); font-size: 11px; color: var(--bp-amber); }
.bp-morebtn { margin-top: 20px; }

/* ---------- 列表 ---------- */
.bp-list { border-top: 1px solid var(--bp-blue); background: var(--bp-card); }
.bp-list__item { display: grid; grid-template-columns: 120px 190px 1fr 100px; gap: 20px; align-items: center; padding: 16px 14px; border-bottom: 1px solid var(--bp-line); transition: background .2s; }
.bp-list__item:hover { background: #EDF4FA; }
.bp-list__no { font-family: var(--bp-mono); font-size: 11px; color: var(--bp-amber); letter-spacing: .08em; }
.bp-list__thumb { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--bp-light); border: 1px solid var(--bp-line); }
.bp-list__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bp-list__body { min-width: 0; }
.bp-list__title { display: block; font-size: 16px; font-weight: 700; color: var(--bp-heading); margin-bottom: 4px; }
.bp-list__desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 13px; color: var(--bp-muted); }
.bp-list__date { font-family: var(--bp-mono); font-size: 11px; color: var(--bp-muted); text-align: right; }
.bp-region { display: inline-block; font-style: normal; font-family: var(--bp-mono); font-size: 10px; letter-spacing: .06em; color: var(--bp-blue); border: 1px solid var(--bp-blue); padding: 0 6px; margin-right: 8px; vertical-align: 2px; }
.bp-empty { padding: 28px 0; color: var(--bp-muted); font-size: 14px; }

/* 分页 */
.pagination { margin: 28px 0 0; text-align: center; font-size: 14px; }
.pagination a, .pagination span { display: inline-block; min-width: 34px; padding: 6px 10px; margin: 0 3px; border: 1px solid var(--bp-line); color: var(--bp-ink); font-family: var(--bp-mono); font-size: 12px; }
.pagination a:hover { border-color: var(--bp-blue); color: var(--bp-blue); }
.pagination .current { background: var(--bp-blue); border-color: var(--bp-blue); color: #fff; }

/* ---------- 新闻详情 ---------- */
.bp-detail { display: grid; grid-template-columns: 1fr 306px; gap: 28px; align-items: start; }
.bp-article { background: var(--bp-card); border: 1px solid var(--bp-line); padding: 30px; position: relative; }
.bp-article::before, .bp-article::after { content: ""; position: absolute; width: 13px; height: 13px; }
.bp-article::before { top: -1px; left: -1px; border-top: 2px solid var(--bp-amber); border-left: 2px solid var(--bp-amber); }
.bp-article::after { bottom: -1px; right: -1px; border-bottom: 2px solid var(--bp-amber); border-right: 2px solid var(--bp-amber); }
.bp-post__meta { font-family: var(--bp-mono); font-size: 11px; letter-spacing: .06em; color: var(--bp-muted); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--bp-line); }
.bp-post__cover { display: block; width: 100%; margin-bottom: 20px; border: 1px solid var(--bp-line); }
.bp-post__body { font-size: 15px; line-height: 1.95; color: var(--bp-ink); }
.bp-post__body p { margin: 0 0 14px; }
.bp-post__body img { border: 1px solid var(--bp-line); }
.bp-post__acts { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; padding-top: 20px; border-top: 1px dashed var(--bp-line); }
.bp-aside { background: var(--bp-card); border: 1px solid var(--bp-line); padding: 20px; }
.bp-aside__tt { margin: 0 0 12px; font-size: 16px; color: var(--bp-heading); padding-bottom: 10px; border-bottom: 2px solid var(--bp-blue); }
.bp-aside__item { display: block; padding: 10px 0; border-bottom: 1px dashed var(--bp-line); }
.bp-aside__title { display: block; font-size: 13px; color: var(--bp-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bp-aside__date { display: block; font-family: var(--bp-mono); font-size: 10px; color: var(--bp-muted); margin-top: 2px; }
.bp-aside__item:hover .bp-aside__title { color: var(--bp-blue); }
.bp-aside__empty { font-size: 13px; color: var(--bp-muted); }
.bp-aside__more { display: inline-block; margin-top: 14px; font-family: var(--bp-mono); font-size: 11px; color: var(--bp-blue); }

/* ---------- 产品详情 ---------- */
.bp-prodhero { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: start; }
.bp-prodhero__media { background: var(--bp-card); border: 1px solid var(--bp-line); padding: 14px; position: relative; }
.bp-prodhero__media::before { content: ""; position: absolute; top: -1px; left: -1px; width: 16px; height: 16px; border-top: 2px solid var(--bp-amber); border-left: 2px solid var(--bp-amber); }
.bp-prodhero__media img { display: block; width: 100%; }
.bp-prodhero__kicker { font-family: var(--bp-mono); font-size: 11px; letter-spacing: .18em; color: var(--bp-amber); }
.bp-prodhero__h1 { margin: 10px 0 12px; font-size: clamp(24px, 3vw, 34px); color: var(--bp-heading); font-weight: 800; }
.bp-prodhero__desc { margin: 0 0 18px; font-size: 15px; color: var(--bp-muted); }
.bp-info { border-top: 1px solid var(--bp-blue); margin-bottom: 20px; }
.bp-info__row { display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--bp-line); font-size: 14px; }
.bp-info__k { font-family: var(--bp-mono); font-size: 11px; letter-spacing: .06em; color: var(--bp-muted); padding-top: 2px; }
.bp-info__v a { color: var(--bp-blue); font-weight: 600; }
.bp-prodhero__btns { display: flex; gap: 12px; flex-wrap: wrap; }
.bp-prodshow { display: grid; grid-template-columns: 1fr 306px; gap: 28px; align-items: start; margin-top: 32px; }
.bp-panel { background: var(--bp-card); border: 1px solid var(--bp-line); padding: 20px; margin-bottom: 16px; }
.bp-panel__tt { margin: 0 0 10px; padding-bottom: 8px; border-bottom: 1px solid var(--bp-line); font-size: 15px; color: var(--bp-heading); }
.bp-panel p { margin: 0 0 7px; font-size: 13px; color: var(--bp-muted); }
.bp-panel__list li { padding: 7px 0; border-bottom: 1px dashed var(--bp-line); font-size: 13px; color: var(--bp-muted); }
.bp-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.bp-chip { display: inline-block; padding: 4px 10px; border: 1px dashed var(--bp-blue); color: var(--bp-blue); font-family: var(--bp-mono); font-size: 11px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .bp-nav__item { padding: 9px 9px; font-size: 12px; }
  .bp-head__tel { display: none; }
  .bp-city { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 960px) {
  .bp-nav { display: none; }
  .bp-head__tel { display: none; }
  .bp-burger { display: block; }
  .bp-hero__in { padding: 72px 20px 82px; }
  .bp-hero__stamp { display: none; }
  .bp-about__grid, .bp-two, .bp-two--even, .bp-contact, .bp-detail, .bp-prodshow, .bp-prodhero { grid-template-columns: 1fr; gap: 24px; }
  .bp-adv { grid-template-columns: 1fr 1fr; }
  .bp-spec__row { grid-template-columns: 70px 1fr; gap: 10px 16px; }
  .bp-spec__desc { grid-column: 2; }
  .bp-ptable__head { display: none; }
  .bp-prow { grid-template-columns: 44px 96px 1fr; gap: 14px; }
  .bp-prow__meta, .bp-prow__go { display: none; }
  .bp-newsrow { grid-template-columns: 100px 1fr; }
  .bp-newsrow__go { display: none; }
  .bp-sec, .bp-page { padding: 56px 0; }
  .bp-sechead { grid-template-columns: 96px 1fr; gap: 18px; }
  .bp-foot__main { grid-template-columns: 1fr; gap: 22px; }
  .bp-city { grid-template-columns: 1fr 1fr; }
  .bp-partners { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .bp-wrap { padding: 0 18px; }
  .bp-brand__img { height: 28px; }
  .bp-brand__name { font-size: 16px; }
  .bp-brand__meta { font-size: 10px; }
  .bp-hero__h1 { font-size: 34px; }
  .bp-hero__lead { font-size: 15px; }
  .bp-hero__specs { display: block; }
  .bp-hero__spec { border-right: 0; margin-right: 0; }
  .bp-anchors__in { padding: 0 12px; }
  .bp-anchors__item { padding: 11px 12px; }
  .bp-adv, .bp-duo, .bp-city, .bp-metrics { grid-template-columns: 1fr; }
  .bp-metric { border-right: 0; }
  .bp-sechead { grid-template-columns: 1fr; border-top-width: 2px; }
  .bp-chap { border-right: 0; padding-right: 0; display: flex; align-items: baseline; gap: 12px; }
  .bp-chap__no { font-size: 28px; }
  .bp-chap__label { margin-top: 0; }
  .bp-list__item { grid-template-columns: 84px 1fr; gap: 12px; }
  .bp-list__no, .bp-list__date { display: none; }
  .bp-newsrow { grid-template-columns: 1fr; gap: 4px; }
  .bp-newsrow__date { order: 2; }
  .bp-cta__in { align-items: flex-start; }
  .bp-dial { display: block; }
  .bp-body { padding-bottom: 64px; }
  .bp-pagehead { padding: 40px 0 34px; }
  .bp-prodhero, .bp-prodshow, .bp-detail { gap: 20px; }
}

/* ---------- 辅助 ---------- */
.bp-center { text-align: center; }
.bp-subtt--first { margin-top: 0; }
.bp-list__item--plain { grid-template-columns: 120px 1fr 100px; }
@media (max-width: 640px) {
  .bp-list__item--plain { grid-template-columns: 1fr; }
}