/* ==========================================================================
   168qun.com — 168mjbot 内页（蓝晒图 / 工程图）
   深青底 / 白线稿 / 图纸网格与标注；不与其他页共用骨架。
   ========================================================================== */

.page-bp {
  --b-bg: #063a4a;
  --b-deep: #052e3b;
  --b-panel: #08475a;
  --b-ink: #eafaff;
  --b-muted: #a9cfd9;
  --b-line: rgba(223, 247, 255, .28);
  --b-line-soft: rgba(223, 247, 255, .14);
  background: var(--b-bg);
  color: var(--b-ink);
}
.page-bp .site-footer { background: #04222c; }

/* ---------- Hero ---------- */
.bp-hero {
  position: relative;
  overflow: hidden;
  padding: 24px 0 60px;
  border-bottom: 1px solid var(--b-line);
  background:
    radial-gradient(circle at 80% 26%, rgba(223, 247, 255, .09), transparent 44%),
    var(--b-bg);
}
.bp-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(223, 247, 255, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(223, 247, 255, .09) 1px, transparent 1px),
    linear-gradient(rgba(223, 247, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(223, 247, 255, .04) 1px, transparent 1px);
  background-size: 30px 30px, 30px 30px, 6px 6px, 6px 6px;
  mask-image: linear-gradient(to bottom right, #000, transparent 74%);
  -webkit-mask-image: linear-gradient(to bottom right, #000, transparent 74%);
  pointer-events: none;
}
.bp-crumb { position: relative; padding-bottom: 28px; color: var(--b-muted); }
.bp-crumb span:last-child { color: #fff; opacity: 1; }
.bp-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 52px;
  align-items: center;
}
.bp-kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 2.6px;
  color: #bfeaf5;
}
.bp-hero h1 {
  margin-top: 15px;
  font-family: var(--mono);
  font-size: clamp(40px, 5vw, 66px);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: -2px;
  color: #fff;
}
.bp-hero h1 em {
  display: block;
  margin-top: 16px;
  font-family: var(--font);
  font-style: normal;
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 400;
  letter-spacing: 0;
  color: var(--b-muted);
}
.bp-lead {
  margin-top: 20px;
  max-width: 540px;
  font-size: 15px;
  line-height: 2.05;
  color: #c3e2ea;
}
.bp-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.bp-actions .btn-primary { background: #dff7ff; color: #063a4a; border-radius: 2px; box-shadow: 0 12px 26px rgba(0, 0, 0, .18); }
.bp-actions .btn-primary:hover { background: #fff; }
.bp-actions .btn-room { border-radius: 2px; color: #fff; border-color: rgba(223, 247, 255, .4); }
.bp-actions .btn-room b { color: #dff7ff; }
.bp-stamp {
  display: inline-block;
  margin-top: 24px;
  padding: 6px 10px;
  border: 1px solid var(--b-line);
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 1.8px;
  color: #9fc8d3;
}
.bp-figure {
  padding: 8px;
  background: #052e3b;
  border: 1px solid var(--b-line);
  box-shadow: 0 30px 64px rgba(0, 0, 0, .4);
}
.bp-figure img { width: 100%; }
.bp-figure figcaption {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-top: 8px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 1.8px;
  color: #7fb2c0;
}

/* ---------- 规格 ---------- */
.bp-strip { background: var(--b-deep); border-bottom: 1px solid var(--b-line); padding: 14px 0; }
.bp-strip-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; font-family: var(--mono); font-size: 10.5px; color: #bfeaf5; }
.bp-strip-inner b { color: #7fb2c0; margin-right: 6px; font-weight: 400; }

/* ---------- section ---------- */
.bp-section { padding: 72px 0; }
.bp-section + .bp-section { border-top: 1px solid var(--b-line-soft); }
.bp-section.is-deep { background: var(--b-deep); }
.bp-section .container.narrow { max-width: 900px; }
.bp-head { max-width: 760px; margin-bottom: 34px; }
.bp-head h2 {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: clamp(25px, 2.9vw, 36px);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -1px;
  color: #fff;
}
.bp-head p { margin-top: 10px; font-size: 13.5px; line-height: 1.95; color: var(--b-muted); }
.bp-note { margin-top: 16px; font-size: 12px; line-height: 1.9; color: #7fb2c0; }

/* ---------- 拆解 ---------- */
.split-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--b-line); border: 1px solid var(--b-line); }
.split-grid article { padding: 26px 22px; background: var(--b-panel); }
.split-grid span { font-family: var(--mono); font-size: 20px; color: #dff7ff; letter-spacing: 1px; }
.split-grid h3 { margin-top: 8px; font-family: var(--mono); font-size: 17px; font-weight: 700; color: #fff; }
.split-grid p { margin-top: 6px; font-size: 12.5px; line-height: 1.9; color: var(--b-muted); }

/* ---------- 结构 ---------- */
.bp-structure-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 54px; align-items: center; }
.schematic {
  position: relative;
  width: 300px;
  margin: 0 auto;
  padding-top: 20px;
}
.sch-head {
  width: 180px; height: 110px;
  margin: 0 auto;
  border: 1.5px solid #dff7ff;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  position: relative;
  background: rgba(223, 247, 255, .03);
}
.sch-head::before {
  content: "";
  position: absolute;
  top: -20px; left: 50%;
  width: 1.5px; height: 20px;
  background: #dff7ff;
}
.sch-head i { width: 38px; height: 24px; border: 1.5px solid #dff7ff; border-radius: 4px; position: relative; }
.sch-head i::after { content: ""; position: absolute; inset: 8px 12px; background: #dff7ff; border-radius: 50%; }
.sch-body {
  width: 140px; height: 130px;
  margin: 12px auto 0;
  border: 1.5px solid #dff7ff;
  border-radius: 10px;
  position: relative;
  background: rgba(223, 247, 255, .03);
}
.sch-core { position: absolute; left: 50%; top: 30px; width: 46px; height: 40px; border: 1.5px solid #dff7ff; transform: translateX(-50%); }
.sch-line { position: absolute; left: 30px; right: 30px; bottom: 26px; height: 1.5px; background: #dff7ff; opacity: .6; }
.sch-base {
  width: 100px; height: 24px;
  margin: 12px auto 0;
  border: 1.5px solid #dff7ff;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 2px;
  color: #dff7ff;
}
.sch-label {
  position: absolute;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 1.4px;
  color: #bfeaf5;
  background: var(--b-deep);
  padding: 2px 5px;
}
.sch-label.l1 { top: 46px; left: 0; }
.sch-label.l2 { top: 190px; right: 0; }
.sch-label.l3 { bottom: 40px; left: 4px; }
.bp-structure-grid h2 { margin-top: 10px; font-family: var(--mono); font-size: clamp(25px, 2.9vw, 36px); font-weight: 700; color: #fff; }
.bp-list { margin-top: 20px; border-top: 1px solid var(--b-line); }
.bp-list > div { display: grid; grid-template-columns: 100px 1fr; gap: 18px; padding: 13px 0; border-bottom: 1px solid var(--b-line-soft); }
.bp-list dt { font-family: var(--mono); font-size: 12px; color: #dff7ff; }
.bp-list dd { font-size: 12.5px; line-height: 1.95; color: var(--b-muted); }

/* ---------- 回路 ---------- */
.loop { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--b-line); }
.loop li { position: relative; padding: 22px 18px 0 0; }
.loop li::before { content: ""; position: absolute; left: 0; top: -4px; width: 7px; height: 7px; background: #dff7ff; }
.loop li + li { padding-left: 18px; border-left: 1px solid var(--b-line-soft); }
.loop span { font-family: var(--mono); font-size: 10px; letter-spacing: 1.6px; color: #bfeaf5; }
.loop h3 { margin-top: 7px; font-family: var(--mono); font-size: 16px; font-weight: 700; color: #fff; }
.loop p { margin-top: 5px; font-size: 12px; line-height: 1.9; color: var(--b-muted); }

/* ---------- 表 ---------- */
.bp-table-wrap { overflow-x: auto; max-width: 100%; border: 1px solid var(--b-line); background: var(--b-panel); }
.bp-table { min-width: 560px; font-size: 13px; }
.bp-table th, .bp-table td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--b-line-soft); border-right: 1px solid var(--b-line-soft); }
.bp-table th:last-child, .bp-table td:last-child { border-right: 0; }
.bp-table tbody tr:last-child th, .bp-table tbody tr:last-child td { border-bottom: 0; }
.bp-table thead th { font-family: var(--mono); font-size: 9px; letter-spacing: 1.4px; font-weight: 400; color: #063a4a; background: #dff7ff; }
.bp-table tbody th { color: #fff; font-weight: 700; white-space: nowrap; }
.bp-table tbody td { color: var(--b-muted); }
.dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; vertical-align: 1px; }
.dot.d1 { background: #94a3b8; }
.dot.d2 { background: #38bdf8; }
.dot.d3 { background: #4ade80; }
.dot.d4 { background: #f87171; }

/* ---------- 时间轴 ---------- */
.bp-timeline { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--b-line); background: var(--b-panel); }
.bp-timeline li { padding: 20px; border-right: 1px solid var(--b-line-soft); }
.bp-timeline li:last-child { border-right: 0; }
.bp-timeline span { font-family: var(--mono); font-size: 9px; letter-spacing: 1.6px; color: #bfeaf5; }
.bp-timeline h3 { margin-top: 7px; font-family: var(--mono); font-size: 15.5px; font-weight: 700; color: #fff; }
.bp-timeline p { margin-top: 5px; font-size: 12px; line-height: 1.85; color: var(--b-muted); }

/* ---------- 重连 ---------- */
.recon { border-top: 1px solid var(--b-line); }
.recon li { display: flex; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--b-line-soft); }
.recon b { flex: none; width: 28px; font-family: var(--mono); font-size: 10px; color: #dff7ff; padding-top: 2px; }
.recon h3 { font-family: var(--mono); font-size: 15px; font-weight: 700; color: #fff; }
.recon p { margin-top: 3px; font-size: 12.5px; color: var(--b-muted); }

/* ---------- 客户端 ---------- */
.bp-client-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 54px; align-items: center; }
.bp-client-grid h2 { margin-top: 10px; font-family: var(--mono); font-size: clamp(25px, 2.9vw, 36px); font-weight: 700; color: #fff; }
.bp-client-grid > div > p { margin-top: 14px; font-size: 14px; line-height: 2.05; color: #c3e2ea; }
.bp-client-grid a { color: #dff7ff; border-bottom: 1px solid var(--b-line); }
.client-split { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--b-line); }
.client-split > div { padding: 20px 18px; background: var(--b-panel); }
.client-split > div.is-app { border-left: 1px solid var(--b-line); background: #0a5266; }
.client-split span { font-family: var(--mono); font-size: 9px; letter-spacing: 2px; color: #bfeaf5; }
.client-split h3 { margin-top: 7px; font-family: var(--mono); font-size: 16px; font-weight: 700; color: #fff; }
.client-split ul { margin-top: 10px; }
.client-split li { position: relative; padding: 4px 0 4px 13px; font-size: 12px; color: var(--b-muted); }
.client-split li::before { content: "·"; position: absolute; left: 0; color: #dff7ff; font-weight: 700; }

/* ---------- 维护 ---------- */
.maintain { border-top: 1px solid var(--b-line); }
.maintain li { display: flex; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--b-line-soft); }
.maintain i { flex: none; width: 16px; height: 16px; margin-top: 3px; border: 1px solid #dff7ff; }
.maintain strong { display: block; font-size: 13.5px; color: #fff; }
.maintain span { font-size: 12px; color: var(--b-muted); }

/* ---------- 折叠 ---------- */
.page-bp .acc-list { border-top-color: var(--b-line); }
.page-bp .acc-item { border-bottom-color: var(--b-line-soft); }
.page-bp .acc-trigger { color: var(--b-ink); font-family: var(--mono); font-size: 14.5px; }
.page-bp .acc-trigger::after { color: #7fb2c0; }
.page-bp .acc-item.is-open .acc-trigger::after { color: #dff7ff; }
.page-bp .acc-panel { color: var(--b-muted); }
.page-bp .acc-panel p { font-size: 13px; line-height: 1.95; }

/* ---------- 安全 ---------- */
.bp-safe { padding: 50px 0; background: #042531; border-block: 1px solid var(--b-line); }
.bp-safe-inner { display: grid; grid-template-columns: .85fr 1.15fr; gap: 46px; align-items: start; }
.bp-safe h2 { margin-top: 10px; font-family: var(--mono); font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; color: #fff; }
.boundary p { padding: 10px 0; border-bottom: 1px solid var(--b-line-soft); font-size: 13.5px; color: #c3e2ea; }
.boundary p::before { content: "× "; color: #dff7ff; font-family: var(--mono); }

/* ---------- 相关 ---------- */
.bp-rel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.bp-rel-grid a { padding: 20px 22px; background: var(--b-panel); border: 1px solid var(--b-line-soft); transition: border-color .2s, transform .2s; }
.bp-rel-grid a:hover { border-color: #dff7ff; transform: translateY(-2px); }
.bp-rel-grid span { font-family: var(--mono); font-size: 9px; letter-spacing: 2px; color: #7fb2c0; }
.bp-rel-grid h3 { margin-top: 7px; font-family: var(--mono); font-size: 16px; font-weight: 700; color: #fff; }
.bp-rel-grid p { margin-top: 4px; font-size: 12px; color: var(--b-muted); }

/* ---------- CTA ---------- */
.bp-cta { padding: 60px 0; background: #052e3b; border-top: 1px solid var(--b-line); }
.bp-cta-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px; }
.bp-cta h2 { margin-top: 10px; font-family: var(--mono); font-size: clamp(23px, 2.8vw, 34px); font-weight: 700; color: #fff; }
.bp-cta p { margin-top: 10px; max-width: 560px; font-size: 13.5px; color: var(--b-muted); }
.bp-cta p strong { color: #dff7ff; }
.bp-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.bp-cta-actions .btn-primary { background: #dff7ff; color: #063a4a; border-radius: 2px; box-shadow: none; }
.bp-cta-actions .btn-room { border-radius: 2px; color: #fff; border-color: rgba(223, 247, 255, .4); }
.bp-cta-actions .btn-room b { color: #dff7ff; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .bp-hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .bp-figure { max-width: 680px; }
  .split-grid { grid-template-columns: 1fr; }
  .bp-structure-grid { grid-template-columns: 1fr; gap: 30px; }
  .loop { grid-template-columns: 1fr 1fr; row-gap: 22px; }
  .loop li:nth-child(3) { padding-left: 0; border-left: 0; }
  .bp-timeline { grid-template-columns: 1fr 1fr; }
  .bp-timeline li:nth-child(2) { border-right: 0; }
  .bp-timeline li:nth-child(-n+2) { border-bottom: 1px solid var(--b-line-soft); }
  .bp-client-grid { grid-template-columns: 1fr; gap: 24px; }
  .bp-safe-inner { grid-template-columns: 1fr; gap: 16px; }
  .bp-rel-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .bp-section { padding: 50px 0; }
  .bp-hero { padding: 18px 0 44px; }
  .bp-actions { flex-direction: column; }
  .bp-actions .btn { width: 100%; }
  .bp-strip-inner { grid-template-columns: 1fr 1fr; }
  .schematic { transform: scale(.92); transform-origin: center; }
  .loop { grid-template-columns: 1fr; }
  .loop li { padding-left: 0 !important; border-left: 0 !important; padding-right: 0; }
  .bp-timeline { grid-template-columns: 1fr; }
  .bp-timeline li { border-right: 0; border-bottom: 1px solid var(--b-line-soft); }
  .bp-timeline li:last-child { border-bottom: 0; }
  .bp-list > div { grid-template-columns: 1fr; gap: 4px; }
  .client-split { grid-template-columns: 1fr; }
  .client-split > div.is-app { border-left: 0; border-top: 1px solid var(--b-line); }
  .bp-cta-actions { width: 100%; }
  .bp-cta-actions .btn { width: 100%; }
}