/*
 * ChipsNest precision layer — 二级页「工业科技精密风」升级层
 *
 * 加载于 site-page-visuals.css 之后（各二级页 head 末尾引用）。
 * 规则：本层新组件均以 .px- 前缀命名；凡覆盖早期断点行为的属性，
 * 必须在本文件内自带窄屏声明（避免“覆盖链断裂”）。
 */

/* ===== 变量垫层 ===== */
.precision-page {
  --px-line: #d8e6f6;
  --px-line-strong: #b9d2ee;
  --px-panel: #f3f8fe;
  --px-dark: #061a3d;
  --px-dark-2: #0a2a5c;
  --px-ink: #071c45;
  --px-copy: #4d6a92;
  --px-mono: var(--cn-mono, Consolas, "Courier New", monospace);
}

/* 四角准星（通用基础：定位 + 边框；各场按需覆盖尺寸与颜色） */
.px-frame-corner {
  position: absolute;
  width: 26px;
  height: 26px;
  border: 1.5px solid rgba(140, 190, 255, .5);
  pointer-events: none;
}

.px-frame-corner.tl { left: 14px; top: 14px; border-right: 0; border-bottom: 0; border-radius: 4px 0 0 0; }
.px-frame-corner.tr { right: 14px; top: 14px; border-left: 0; border-bottom: 0; border-radius: 0 4px 0 0; }
.px-frame-corner.bl { left: 14px; bottom: 14px; border-right: 0; border-top: 0; border-radius: 0 0 0 4px; }
.px-frame-corner.br { right: 14px; bottom: 14px; border-left: 0; border-top: 0; border-radius: 0 0 4px 0; }

/* HERO 数据条 */
.px-fact-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 44px 0 0;
  border-top: 1px solid var(--px-line-strong);
  background: rgba(255, 255, 255, .6);
}

.px-fact {
  min-height: 132px;
  padding: 26px 26px 24px 0;
  border-right: 1px solid var(--px-line);
}

.px-fact:last-child { border-right: 0; }
.px-fact + .px-fact { padding-left: 26px; }

.px-fact dt {
  margin: 0 0 12px;
  color: #4d6a92;
  font: 11px/1.5 var(--px-mono);
  letter-spacing: .1em;
}

.px-fact dd {
  margin: 0;
  color: var(--px-ink);
  font-size: clamp(30px, 3.2vw, 40px);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.px-fact dd small {
  margin-left: 4px;
  color: #4d6a92;
  font-size: .42em;
  font-weight: 600;
}

.px-fact p {
  margin: 9px 0 0;
  color: var(--px-copy);
  font-size: 12px;
  line-height: 1.6;
}

/* ===== 产品线 ===== */
.px-line-head {
  display: grid;
  grid-template-columns: minmax(52px, .1fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-bottom: clamp(30px, 4vw, 52px);
}

.px-line-no {
  color: #728daf;
  font: 800 clamp(30px, 3.4vw, 44px)/1 var(--px-mono);
  letter-spacing: .02em;
}

.px-line-head h2 {
  margin: 0;
  color: var(--px-ink);
  font-size: clamp(27px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: 0;
}

.px-line-head p {
  max-width: 700px;
  margin: 13px 0 0;
  color: var(--px-copy);
  font-size: 15px;
  line-height: 1.8;
}

/* 产品行 */
.px-product {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(30px, 4vw, 48px) 0;
  scroll-margin-top: 110px;
}

.px-product + .px-product { border-top: 1px solid var(--px-line); }

.px-product--media-right .px-product-media { order: 2; }
.px-product--media-right .px-product-copy { order: 1; }

.px-product-media {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--px-line);
  border-radius: 12px;
  background: linear-gradient(160deg, #f4f9ff, #eaf3fd);
}

.px-product-media img {
  display: block;
  width: 100%;
  height: auto; /* 必须：否则 HTML height 属性锁死高度、aspect-ratio 失效 */
  aspect-ratio: 16 / 10;
  object-fit: contain;
  padding: clamp(16px, 2.6vw, 34px);
}

.px-product-media.is-concept { background: #f7f9fb; }

.px-product-media.is-concept img {
  aspect-ratio: 960 / 520;
  object-fit: cover;
  padding: 0;
}

.px-product-media figcaption {
  position: absolute;
  left: 14px;
  bottom: 12px;
  padding: 5px 9px;
  border-radius: 6px;
  background: rgba(7, 28, 69, .72);
  color: #e8f2ff;
  font: 11px/1.4 var(--px-mono);
  letter-spacing: .06em;
}

.px-product-copy { max-width: 560px; }

.px-product-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.4;
}

.px-product-state::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.px-product-state.is-live { border: 1px solid #b9d9f6; background: #f1f8ff; color: #0b4f9c; }
.px-product-state.is-upcoming { border: 1px solid #f3cf9e; background: #fff8ed; color: #8a5a22; }

.px-product-copy h3 {
  margin: 16px 0 0;
  color: var(--px-ink);
  font-size: clamp(28px, 2.8vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0;
}

.px-product-copy h3 em {
  margin-left: 10px;
  color: #4d6a92;
  font-family: var(--px-mono);
  font-size: .5em;
  font-style: normal;
  font-weight: 600;
  letter-spacing: .04em;
  vertical-align: middle;
}

.px-product-copy > p {
  margin: 15px 0 0;
  color: var(--px-copy);
  font-size: 15px;
  line-height: 1.85;
}

.px-product-specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 24px 0 0;
  border-top: 1px solid var(--px-line-strong);
}

.px-product-specs > div {
  padding: 14px 16px 0 0;
  border-right: 1px solid var(--px-line);
}

.px-product-specs > div:last-child { border-right: 0; }
.px-product-specs > div + div { padding-left: 16px; }

.px-product-specs dt {
  margin: 0 0 7px;
  color: #4d6a92;
  font: 11px/1.4 var(--px-mono); /* 2026-10-15: 10px → 11px（11px 为全站硬下限；与 .px-plinth-item dt 对齐） */
  letter-spacing: .1em;
}

.px-product-specs dd {
  margin: 0;
  color: var(--px-ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
  text-wrap: balance;
}

.px-product-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  min-height: 44px;
  color: #045bbf;
  font-size: 14px;
  font-weight: 700;
}

.px-product-link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ===== 选型指引 ===== */
.px-select-list { border-top: 1px solid var(--px-line-strong); }

.px-select-row {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(210px, .62fr) minmax(120px, max-content);
  gap: 22px;
  align-items: center;
  padding: 21px 0;
  border-bottom: 1px solid var(--px-line);
}

.px-select-row p {
  margin: 0;
  color: var(--px-ink);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
}

.px-select-row span {
  color: var(--px-copy);
  font-size: 13px;
  line-height: 1.65;
}

.px-select-row a {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  color: var(--visual-blue, #056cf0);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.px-select-row a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ===== 产品深色场开场（产品详情页性格：一体化暗场 + 居中产品肖像） ===== */
.px-stage {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% -4%, rgba(64, 136, 255, .34), transparent 56%),
    linear-gradient(170deg, #0b2e63, #061a3d 66%);
  color: #eaf3ff;
}

.px-stage-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(126, 178, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 178, 255, .07) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}

/* 场底收边：渐隐亮线 + 顶部内侧微光 */
.px-stage::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(140, 190, 255, .38), transparent);
  pointer-events: none;
}

.px-stage-inner {
  position: relative;
  padding: clamp(44px, 5.2vw, 70px) 0 0;
}

.px-stage-copy {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.px-stage-kicker {
  margin: 0 0 16px;
  color: #8fb6ea;
  font-family: var(--px-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.px-stage-copy h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: 0;
}

.px-stage-lede {
  max-width: 640px;
  margin: 18px auto 0;
  color: #b7cfee;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.85;
  text-wrap: balance;
}

.px-stage-figure {
  position: relative;
  margin: clamp(24px, 3.2vw, 42px) 0 0;
  text-align: center;
}

.px-stage-figure img {
  display: inline-block;
  width: min(860px, 78%);
  height: auto;
  filter: drop-shadow(0 30px 48px rgba(0, 8, 24, .55));
}

.px-stage-figure .px-frame-tag {
  position: absolute;
  z-index: 2;
  left: max(12px, calc(50% - 470px));
  bottom: -4px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid rgba(140, 190, 255, .35);
  border-radius: 7px;
  background: rgba(5, 22, 52, .66);
  color: #cfe4ff;
  font: 11px/1.4 var(--px-mono);
  letter-spacing: .08em;
}

.px-stage-figure .px-frame-tag::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ff922e;
}

/* 深色场四角准星 */
.px-stage .px-frame-corner { width: 30px; height: 30px; }
.px-stage .px-frame-corner.tl { left: clamp(16px, 3vw, 44px); top: clamp(16px, 2.4vw, 36px); }
.px-stage .px-frame-corner.tr { right: clamp(16px, 3vw, 44px); top: clamp(16px, 2.4vw, 36px); }
.px-stage .px-frame-corner.bl { left: clamp(16px, 3vw, 44px); bottom: clamp(16px, 2.4vw, 36px); }
.px-stage .px-frame-corner.br { right: clamp(16px, 3vw, 44px); bottom: clamp(16px, 2.4vw, 36px); }

/* 底部铭牌行：参数 + 行动 */
.px-stage-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px 30px;
  margin-top: clamp(26px, 3.4vw, 44px);
  padding: 20px 0 26px;
  border-top: 1px solid rgba(140, 190, 255, .22);
}

.px-stage-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  margin: 0;
  color: #cfe2fb;
  font: 600 13px/1.6 var(--px-mono);
  letter-spacing: .02em;
}

.px-stage-specs span { display: inline-flex; align-items: center; gap: 8px; }

.px-stage-specs span::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #5a9df0;
}

.px-stage-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.px-stage-actions .px-btn-light { background: #fff; color: #0b3d91; }
.px-stage-actions .px-btn-light:hover { background: #e8f2ff; }

.px-stage-actions .px-btn-ghost {
  border: 1px solid rgba(150, 195, 250, .45);
  background: rgba(255, 255, 255, .05);
  color: #d7e8fd;
}

.px-stage-actions .px-btn-ghost:hover {
  border-color: rgba(150, 195, 250, .8);
  background: rgba(255, 255, 255, .12);
}

/* ===== 产品索引开场（产品总览页性格：图书目录式的编辑排版） ===== */
.px-index {
  padding: clamp(46px, 5.6vw, 80px) 0 0;
  background: #fbfdff;
}

.px-index-copy { max-width: 820px; }

.px-index-copy h1 {
  margin: 0;
  color: var(--px-ink);
  font-size: clamp(38px, 4.4vw, 62px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0;
}

.px-index-lede {
  max-width: 640px;
  margin: 22px 0 0;
  color: var(--px-copy);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.85;
}

.px-index-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: clamp(30px, 4vw, 50px) 0 0;
  border-top: 1px solid var(--px-line-strong);
  border-bottom: 1px solid var(--px-line-strong);
}

.px-index-item {
  display: block;
  min-width: 0;
  padding: 24px 24px 26px 0;
  border-right: 1px solid var(--px-line);
  transition: background-color .2s ease;
}

.px-index-item + .px-index-item { padding-left: 24px; }
.px-index-item:last-child { border-right: 0; }

.px-index-item:hover, .px-index-item:focus-visible { background: #f2f8ff; }

.px-index-no {
  display: block;
  color: #54708f;
  font: 700 13px/1 var(--px-mono);
  letter-spacing: .08em;
}

.px-index-item h2 {
  margin: 16px 0 0;
  color: var(--px-ink);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0;
}

.px-index-item h2 em {
  display: block;
  margin-top: 6px;
  color: #54708f;
  font-family: var(--px-mono);
  font-size: 12px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: .06em;
}

.px-index-item p {
  margin: 10px 0 0;
  color: var(--px-copy);
  font-size: 13px;
  line-height: 1.7;
}

.px-index-go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--visual-blue, #056cf0);
  font-size: 13px;
  font-weight: 700;
}

.px-index-go span { transition: transform .2s ease; }
.px-index-item:hover .px-index-go span { transform: translateX(4px); }

/* ===== 浅色技术影棚（黑机身产品的容器：浅底才托得住） ===== */
.px-studio {
  position: relative;
  overflow: hidden;
  padding: clamp(44px, 5vw, 72px) 0 0;
  background:
    radial-gradient(circle at 80% 4%, rgba(95, 166, 255, .16), transparent 42%),
    linear-gradient(150deg, #f4f9ff 0%, #eaf3ff 62%, #fdfeff 100%);
}

.px-studio-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(72, 139, 214, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 139, 214, .07) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}

.px-studio-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(400px, 1.08fr);
  gap: clamp(28px, 4.4vw, 66px);
  align-items: center;
  padding-bottom: clamp(30px, 3.8vw, 54px);
}

.px-studio-copy { max-width: 620px; }
.px-studio-copy .visual-kicker { margin: 0 0 16px; color: #45688f; }

.px-studio-copy h1 {
  margin: 0;
  color: var(--px-ink);
  font-size: clamp(34px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0;
}

.px-studio-lede {
  max-width: 540px;
  margin: 20px 0 0;
  color: var(--px-copy);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.85;
  text-wrap: balance;
}

.px-studio-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.px-studio-actions .button { min-height: 46px; border-radius: 8px; }

.px-studio-actions .button:not(.button-primary) {
  border: 1px solid var(--px-line-strong);
  background: rgba(255, 255, 255, .8);
  color: var(--px-ink);
}

/* 影棚产品：背景光 + 悬浮投影 */
.px-studio-figure {
  position: relative;
  margin: 0;
  text-align: center;
}

.px-studio-figure::before {
  content: "";
  position: absolute;
  inset: 4% 6%;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(90, 150, 230, .15), transparent 74%);
  pointer-events: none;
}

.px-studio-figure img {
  position: relative;
  z-index: 1;
  display: inline-block;
  width: min(600px, 100%);
  height: auto;
  filter: drop-shadow(0 26px 42px rgba(12, 60, 130, .17));
}

/* 浅色铭牌行（影棚与概念档案共用） */
.px-studio-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 30px;
  padding: 17px 0 19px;
  border-top: 1px solid var(--px-line-strong);
}

.px-studio-strip.px-strip-bare { border-top: 0; padding-top: 14px; }

.px-studio-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  margin: 0;
  color: var(--px-ink);
  font: 600 13px/1.6 var(--px-mono);
  letter-spacing: .02em;
}

.px-studio-specs span { display: inline-flex; align-items: center; gap: 8px; }

.px-studio-specs span::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #6a9ada;
}

.px-studio-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  color: var(--visual-blue, #056cf0);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.px-studio-more:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ===== 概念档案（研发中产品：AntHub / antRok） ===== */
.px-dossier {
  position: relative;
  overflow: hidden;
  padding: clamp(44px, 5vw, 72px) 0 0;
  background:
    radial-gradient(circle at 82% 2%, rgba(95, 166, 255, .15), transparent 40%),
    linear-gradient(150deg, #f4f9ff 0%, #eaf3ff 60%, #fdfeff 100%);
}

.px-dossier-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(72, 139, 214, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 139, 214, .07) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}

.px-dossier-inner {
  position: relative;
  padding-bottom: clamp(34px, 4vw, 56px);
}

.px-dossier-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px 28px;
}

.px-dossier-head .visual-kicker { margin: 0 0 14px; color: #45688f; }

.px-dossier-head h1 {
  margin: 0;
  color: var(--px-ink);
  font-size: clamp(36px, 4.4vw, 62px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0;
}

.px-dossier-flag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding: 7px 13px;
  border: 1px solid #f3cf9e;
  border-radius: 999px;
  background: #fff8ed;
  color: #8a5a22;
  font-size: 13px;
  font-weight: 600;
}

.px-dossier-flag::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ff922e;
}

.px-dossier-lede {
  max-width: 640px;
  margin: 18px 0 0;
  color: var(--px-copy);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.85;
  text-wrap: balance;
}

.px-dossier-figure {
  position: relative;
  overflow: hidden;
  margin: clamp(26px, 3.4vw, 46px) 0 0;
  border: 1px solid var(--px-line);
  border-radius: 12px;
  background: #f7f9fb;
}

.px-dossier-figure img {
  display: block;
  width: min(1024px, 100%);
  height: auto;
  margin: 0 auto;
}

/* 浅色场上的角标与标签 */
.px-studio .px-frame-corner,
.px-dossier .px-frame-corner { width: 30px; height: 30px; border-color: #a9c4e6; }

.px-studio .px-frame-corner.tl,
.px-dossier .px-frame-corner.tl { left: clamp(16px, 3vw, 44px); top: clamp(16px, 2.4vw, 36px); }
.px-studio .px-frame-corner.tr,
.px-dossier .px-frame-corner.tr { right: clamp(16px, 3vw, 44px); top: clamp(16px, 2.4vw, 36px); }
.px-studio .px-frame-corner.bl,
.px-dossier .px-frame-corner.bl { left: clamp(16px, 3vw, 44px); bottom: clamp(16px, 2.4vw, 36px); }
.px-studio .px-frame-corner.br,
.px-dossier .px-frame-corner.br { right: clamp(16px, 3vw, 44px); bottom: clamp(16px, 2.4vw, 36px); }

.px-studio-figure .px-frame-tag,
.px-dossier-figure .px-frame-tag {
  position: absolute;
  z-index: 2;
  left: 14px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 11px;
  border: 1px solid var(--px-line-strong);
  border-radius: 7px;
  background: rgba(255, 255, 255, .92);
  color: #35547e;
  font: 11px/1.4 var(--px-mono);
  letter-spacing: .08em;
}

.px-studio-figure .px-frame-tag::before,
.px-dossier-figure .px-frame-tag::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ff922e;
}

/* ===== 设备档案行（图 + 说明的横向条目，适配不同比例素材） ===== */
.px-records { border-top: 1px solid var(--px-line-strong); }

.px-record {
  display: grid;
  grid-template-columns: minmax(0, .42fr) minmax(0, .58fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
  padding: clamp(24px, 3vw, 38px) 0;
  border-bottom: 1px solid var(--px-line);
}

.px-record-media { margin: 0; }

.px-record-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  padding: clamp(12px, 1.8vw, 24px);
  border: 1px solid var(--px-line);
  border-radius: 10px;
  background: linear-gradient(160deg, #f4f9ff, #eaf3fd);
}

.px-gno {
  color: #587196;
  font: 600 12px/1 var(--px-mono);
  letter-spacing: .06em;
}

.px-record-copy h3 {
  margin: 10px 0 0;
  color: var(--px-ink);
  font-size: clamp(20px, 1.9vw, 25px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0;
}

.px-record-copy p {
  max-width: 560px;
  margin: 12px 0 0;
  color: var(--px-copy);
  font-size: 14px;
  line-height: 1.8;
}

.px-record-media.is-wide img { aspect-ratio: 848 / 186; }

/* 铭牌尾注（候选参数声明） */
.px-spec-note { font-weight: 400; opacity: .78; }

/* 概念档案 · 左图右文变体（antRok 与 AntHub 分化） */
.px-dossier-split {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: center;
  margin-top: clamp(26px, 3.4vw, 46px);
}

.px-dossier--split .px-dossier-figure { margin: 0; }
.px-dossier-aside .px-dossier-lede { max-width: none; margin: 0; }
.px-dossier-aside .px-studio-strip { flex-direction: column; align-items: flex-start; gap: 10px; border-top: 0; padding: 2px 0 0; }
.px-dossier-aside .px-studio-specs { flex-direction: column; gap: 10px; }

/* 双栏信息块（antRok 状态区） */
.px-duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 18px; }
.px-duo-item { padding: 20px 22px; border: 1px solid var(--px-line); border-radius: 10px; background: #fff; }
.px-duo-item h3 { margin: 0; color: var(--px-ink); font-size: 17px; letter-spacing: 0; }
.px-duo-item p { margin: 10px 0 0; color: var(--px-copy); font-size: 13px; line-height: 1.75; }

/* ===== 叙事开场（行业方案：文字叙事 + 八方向索引） ===== */
.px-narr {
  position: relative;
  overflow: hidden;
  padding: clamp(46px, 5.4vw, 80px) 0 0;
  background:
    radial-gradient(circle at 84% 4%, rgba(95, 166, 255, .15), transparent 42%),
    linear-gradient(150deg, #f4f9ff 0%, #eaf3ff 62%, #fdfeff 100%);
}

.px-narr-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(72, 139, 214, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 139, 214, .07) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}

.px-narr::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(122, 165, 218, .45), transparent);
  pointer-events: none;
}

.px-narr-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
  gap: clamp(30px, 5vw, 84px);
  align-items: start;
  padding-bottom: clamp(40px, 5vw, 74px);
}

.px-narr-copy { max-width: 640px; }
.px-narr-copy .visual-kicker { margin: 0 0 16px; color: #45688f; }

.px-narr-copy h1 {
  margin: 0;
  color: var(--px-ink);
  font-size: clamp(36px, 4.4vw, 62px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0;
}

.px-narr-lede {
  max-width: 560px;
  margin: 20px 0 0;
  color: var(--px-copy);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.85;
  text-wrap: balance;
}

.px-narr-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.px-narr-actions .button { min-height: 46px; border-radius: 8px; }
.px-narr-actions .button:not(.button-primary) {
  border: 1px solid var(--px-line-strong);
  background: rgba(255, 255, 255, .8);
  color: var(--px-ink);
}

.px-narr-note {
  margin: 26px 0 0;
  padding-left: 14px;
  border-left: 2px solid #ff922e;
  color: #4f6a93;
  font-size: 12px;
  line-height: 1.75;
}

/* 八方向索引列 */
.px-narr-index { display: grid; border-top: 1px solid var(--px-line-strong); }

.px-narr-index a {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 13px 8px 13px 0;
  border-bottom: 1px solid var(--px-line);
  color: var(--px-ink);
  font-size: 15px;
  font-weight: 600;
  transition: background-color .18s ease;
}

.px-narr-index a span { color: #54708f; font: 600 12px/1 var(--px-mono); letter-spacing: .06em; }
.px-narr-index a em { color: #b3c7e3; font-style: normal; transition: color .18s ease, transform .18s ease; }
.px-narr-index a:hover, .px-narr-index a:focus-visible { background: #f2f8ff; }
.px-narr-index a:hover em { color: var(--visual-blue, #056cf0); transform: translateX(3px); }

/* ===== 证据标准 Ledger（案例页） ===== */
.px-ledger { border-top: 1px solid var(--px-line-strong); }

.px-ledger-row {
  display: grid;
  grid-template-columns: minmax(210px, .48fr) minmax(0, 1fr) minmax(110px, max-content);
  gap: 22px;
  align-items: center;
  padding: 21px 0;
  border-bottom: 1px solid var(--px-line);
}

.px-ledger-row h3 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  color: var(--px-ink);
  font-size: 18px;
  letter-spacing: 0;
}

.px-ledger-row p { margin: 0; color: var(--px-copy); font-size: 13.5px; line-height: 1.75; }

.px-ledger-row em {
  justify-self: end;
  padding: 5px 11px;
  border: 1px solid #bcd8f5;
  border-radius: 999px;
  background: #f1f8ff;
  color: #0b4f9c;
  font-size: 12px;
  font-style: normal;
  white-space: nowrap;
}

/* ===== 四问横排（案例页） ===== */
.px-questions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--px-line-strong);
}

.px-question { padding: 24px 22px 26px 0; border-right: 1px solid var(--px-line); }
.px-question:last-child { border-right: 0; }
.px-question + .px-question { padding-left: 22px; }

.px-question .px-qno {
  display: block;
  color: #587196;
  font: 700 13px/1 var(--px-mono);
  letter-spacing: .08em;
}

.px-question h3 {
  margin: 14px 0 0;
  color: var(--px-ink);
  font-size: 18px;
  line-height: 1.55;
  letter-spacing: 0;
}

/* ===== 合作分流带（案例页） ===== */
.px-models-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin: 0;
  padding: 18px 0 19px;
  border-top: 1px solid var(--px-line-strong);
  border-bottom: 1px solid var(--px-line);
  color: var(--px-ink);
  font-size: 15px;
  font-weight: 600;
}

.px-models-band i { color: #8fa9cb; font-style: normal; }

.px-models-band a {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--visual-blue, #056cf0);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.px-models-band a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ===== 章节头（工程目录序号） ===== */
.px-sec-head {
  display: grid;
  grid-template-columns: minmax(44px, .07fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.px-sec-head .px-no {
  color: #a6bfdd;
  font: 800 clamp(22px, 2.2vw, 30px)/1 var(--px-mono);
  letter-spacing: .02em;
  padding-top: 6px;
}

/* 行内序号（配置参考等特殊布局区块） */
.px-no-inline {
  display: block;
  margin: 0 0 12px;
  color: #a6bfdd;
  font: 800 22px/1 var(--px-mono);
  letter-spacing: .02em;
}

.px-sec-head h2 {
  margin: 0;
  color: var(--px-ink);
  font-size: clamp(26px, 2.8vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
}

.px-sec-head p {
  max-width: 660px;
  margin: 12px 0 0;
  color: var(--px-copy);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== 设备图库（四类实拍，2×2 等分） ===== */
.px-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.px-gallery figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--px-line);
  border-radius: 12px;
  background: linear-gradient(160deg, #f4f9ff, #eaf3fd);
}

.px-gallery img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  padding: clamp(16px, 2.6vw, 34px);
}

.px-gallery figcaption {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px 13px;
  border-top: 1px solid var(--px-line);
  background: rgba(255, 255, 255, .78);
  color: var(--px-ink);
  font-size: 14px;
  font-weight: 600;
}

.px-gallery figcaption .px-gno {
  color: #587196;
  font: 600 12px/1 var(--px-mono);
  letter-spacing: .06em;
}

/* ===== 响应式 ===== */
@media (max-width: 1100px) {
  .px-fact { padding-top: 22px; padding-bottom: 20px; }
}

@media (max-width: 900px) {
  .px-fact-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 34px; }
  .px-fact { min-height: 0; padding: 20px 20px 18px 0; }
  .px-fact + .px-fact { padding-left: 20px; }
  .px-fact:nth-child(2) { border-right: 0; }
  .px-fact:nth-child(n + 3) { border-top: 1px solid var(--px-line); }
  .px-fact:nth-child(3) { padding-left: 0; }
  .px-product { grid-template-columns: 1fr; gap: 26px; padding: 34px 0; }
  .px-product--media-right .px-product-media { order: initial; }
  .px-product--media-right .px-product-copy { order: initial; }
  .px-select-row { grid-template-columns: minmax(0, 1.2fr) minmax(170px, .8fr); }
  .px-select-row a { grid-column: 2; justify-self: end; }
  .px-stage-figure img { width: 84%; }
  .px-stage-strip { flex-direction: column; align-items: flex-start; gap: 14px; }
  .px-index-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .px-index-item:nth-child(2n) { border-right: 0; padding-right: 0; }
  .px-index-item:nth-child(2n + 1) { padding-left: 0; }
  .px-index-item:nth-child(n + 3) { border-top: 1px solid var(--px-line); }
  .px-studio-inner { grid-template-columns: 1fr; gap: 30px; }
  .px-studio-figure img { width: min(560px, 88%); }
  .px-dossier-head { align-items: flex-start; }
  .px-record { grid-template-columns: 1fr; gap: 18px; }
  .px-dossier-split { grid-template-columns: 1fr; }
  .px-narr-inner { grid-template-columns: 1fr; gap: 32px; }
  .px-ledger-row { grid-template-columns: 1fr; gap: 10px; align-items: start; }
  .px-ledger-row em { justify-self: start; }
  .px-questions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .px-question:nth-child(2n) { border-right: 0; }
  .px-question:nth-child(n + 3) { border-top: 1px solid var(--px-line); }
  .px-question:nth-child(3) { padding-left: 0; }
}

@media (max-width: 680px) {
  .px-fact-strip { grid-template-columns: 1fr; }
  .px-fact, .px-fact + .px-fact { min-height: 0; padding: 17px 0; border-right: 0; }
  .px-fact + .px-fact { border-top: 1px solid var(--px-line); }
  .px-line-head { grid-template-columns: 1fr; gap: 8px; }
  .px-line-no { font-size: 26px; }
  .px-product-specs { grid-template-columns: 1fr; }
  .px-product-specs > div { padding: 11px 0 0; border-right: 0; }
  .px-product-specs > div + div { padding-left: 0; border-top: 1px solid var(--px-line); margin-top: 10px; }
  .px-select-row { grid-template-columns: 1fr; gap: 9px; }
  .px-select-row a { grid-column: auto; justify-self: start; }
  .px-sec-head { grid-template-columns: 1fr; gap: 6px; }
  .px-sec-head .px-no { font-size: 20px; padding-top: 0; }
  .px-gallery { grid-template-columns: 1fr; gap: 12px; }
  .px-stage-copy h1 { font-size: clamp(34px, 10vw, 46px); }
  .px-stage-figure img { width: 94%; }
  .px-stage-figure .px-frame-tag,
  .px-studio-figure .px-frame-tag { position: static; margin: 10px auto 0; left: auto; bottom: auto; }
  .px-dossier-figure .px-frame-tag { position: static; margin: 10px 0 12px 14px; left: auto; bottom: auto; }
  .px-stage-specs { gap: 6px 16px; }
  .px-stage-actions { width: 100%; }
  .px-stage-actions .button { flex: 1 1 auto; justify-content: center; }
  .px-index-list { grid-template-columns: 1fr; }
  .px-index-item,
  .px-index-item + .px-index-item { padding: 20px 0 22px; border-right: 0; }
  .px-index-item + .px-index-item { border-top: 1px solid var(--px-line); }
  .px-studio-copy h1 { font-size: clamp(30px, 9.6vw, 42px); }
  .px-studio-actions .button { flex: 1 1 auto; justify-content: center; }
  .px-studio-figure img { width: 94%; }
  .px-studio-strip { flex-direction: column; align-items: flex-start; gap: 10px; }
  .px-dossier-head h1 { font-size: clamp(32px, 9.8vw, 44px); }
  .product-anchor-bar .shell {
    gap: 4px 14px;
    -webkit-mask-image: linear-gradient(90deg, #000 86%, transparent);
    mask-image: linear-gradient(90deg, #000 86%, transparent);
  }
  .px-duo { grid-template-columns: 1fr; }
  .px-narr-copy h1 { font-size: clamp(30px, 9.6vw, 42px); }
  .px-narr-actions .button { flex: 1 1 auto; justify-content: center; }
  .px-questions { grid-template-columns: 1fr; }
  .px-question,
  .px-question + .px-question { padding: 20px 0 22px; border-right: 0; }
  .px-question + .px-question { border-top: 1px solid var(--px-line); }
  .px-models-band a { margin-left: 0; }
}

/* ===== 2026-10-14 阶段 B 审查修复层 ===== */
/* ── ① cases：案卷封面开场（居中桅杆 + 证据等级刻度）
     与 solutions（左文 + 右索引）、about（数字先行）构成三种互异开场结构 ── */
.px-file {
  position: relative;
  overflow: hidden;
  padding: clamp(52px, 6vw, 88px) 0 clamp(34px, 4.4vw, 58px);
  background: linear-gradient(180deg, #f7fbff 0%, #eff7ff 100%);
  border-bottom: 1px solid var(--px-line);
}

/* 案卷横格纸底纹（区别于另两页的方格网底） */
.px-file-rules {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(180deg, transparent 0 55px, rgba(72, 139, 214, .09) 55px 56px);
  pointer-events: none;
}

.px-file-inner { position: relative; max-width: 780px; margin: 0 auto; text-align: center; }
.px-file-inner .visual-kicker { margin: 0 0 18px; color: #45688f; }

.px-file-inner h1 {
  margin: 0;
  color: var(--px-ink);
  font-size: clamp(34px, 4.2vw, 56px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: 0;
}

.px-file-lede {
  max-width: 620px;
  margin: 20px auto 0;
  color: var(--px-copy);
  font-size: clamp(15px, 1.3vw, 16.5px);
  line-height: 1.85;
}

.px-file-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 30px; }
.px-file-actions .button { min-height: 46px; border-radius: 8px; }
.px-file-actions .button:not(.button-primary) { border: 1px solid var(--px-line-strong); background: rgba(255, 255, 255, .85); color: var(--px-ink); }

/* 证据等级刻度尺：四档刻度 + 目标档实心 */
.px-scale { position: relative; margin-top: clamp(38px, 5vw, 64px); }
.px-scale-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--px-line-strong);
}
.px-scale-head h2 { margin: 0; color: var(--px-ink); font-size: 15px; font-weight: 700; line-height: 1.4; letter-spacing: .02em; }
.px-scale-head span { color: #4f6a93; font: 12px/1.6 var(--px-mono); }

.px-scale-rail { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; padding: 0; list-style: none; }
.px-scale-rail li { position: relative; padding: 26px 24px 0 0; border-top: 1px solid transparent; }
.px-scale-rail li + li { padding-left: 24px; border-left: 1px solid var(--px-line); }
.px-scale-rail li::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid #9db9dd;
  background: #fff;
}
.px-scale-rail li + li::before { left: 23px; }
.px-scale-rail li:last-child::before { background: #9db9dd; }
.px-scale-no { display: block; color: #587196; font: 700 12px/1 var(--px-mono); letter-spacing: .08em; }
.px-scale-rail h3 { margin: 11px 0 0; color: var(--px-ink); font-size: 17px; font-weight: 700; letter-spacing: 0; }
.px-scale-rail p { margin: 9px 0 0; color: var(--px-copy); font-size: 13px; line-height: 1.72; }

/* ── ② about：数字基座开场（数字先行 + 蜂巢母题）── */
.px-plinth {
  position: relative;
  overflow: hidden;
  padding: clamp(38px, 4.8vw, 62px) 0 clamp(36px, 4.8vw, 62px);
  background: linear-gradient(158deg, #f3f9ff 0%, #e9f2ff 60%, #fdfeff 100%);
  border-bottom: 1px solid var(--px-line);
}

.px-plinth-hex { position: absolute; right: clamp(-92px, -4.2vw, -26px); top: clamp(2px, 1.2vw, 20px); width: clamp(228px, 27vw, 372px); height: auto; opacity: .58; pointer-events: none; }
.px-plinth-hex .hex-cell { fill: none; stroke: #8fb4e0; stroke-width: 1.2; }
.px-plinth-hex .hex-cell--solid { fill: rgba(5, 108, 240, .07); stroke: #7aa7db; }

.px-plinth-strip {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--px-line-strong);
  background: rgba(255, 255, 255, .84);
}
.px-plinth-item { padding: 26px 26px 24px 0; border-right: 1px solid var(--px-line); }
.px-plinth-item:last-child { border-right: 0; }
.px-plinth-item + .px-plinth-item { padding-left: 26px; }
.px-plinth-item dt { margin: 0 0 12px; color: #4d6a92; font: 11px/1.5 var(--px-mono); letter-spacing: .1em; }
.px-plinth-item dd { margin: 0; color: var(--px-ink); font-size: clamp(44px, 5.2vw, 74px); font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.px-plinth-item dd small { margin-left: 6px; color: #4d6a92; font-size: .34em; font-weight: 600; }
.px-plinth-item p { margin: 10px 0 0; color: var(--px-copy); font-size: 12.5px; line-height: 1.6; }

.px-plinth-copy { position: relative; max-width: 720px; margin-top: clamp(34px, 4.4vw, 58px); }
.px-plinth-copy .visual-kicker { margin: 0 0 16px; color: #45688f; }
.px-plinth-copy h1 { margin: 0; color: var(--px-ink); font-size: clamp(36px, 4.4vw, 60px); font-weight: 700; line-height: 1.1; letter-spacing: 0; }

/* ── ③ 章节头分型（打破“每节都从大数字开始”的机械感）── */
.px-sec-head--rule {
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--px-line-strong);
  padding-top: clamp(18px, 2.4vw, 28px);
}
.px-sec-head--rule h2 { padding-left: 16px; border-left: 3px solid #ff922e; }
.px-sec-head--rule p { max-width: 720px; }
.px-sec-head--rule .px-no { display: none; }

.px-sec-head--ghost { grid-template-columns: minmax(60px, .1fr) minmax(0, 1fr); }
.px-sec-head--ghost .px-no { color: #8fb0d8; font-size: clamp(40px, 4.6vw, 64px); line-height: .9; padding-top: 0; }

/* ── ④ solutions §03：纵向服务周期（与 §02 横向评估路径形成对比）── */
.timeline.px-cycles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 0;
  counter-reset: pxcyc;
}
.timeline.px-cycles .timeline-item {
  display: grid;
  grid-template-columns: minmax(52px, .09fr) minmax(150px, .42fr) minmax(0, 1fr);
  gap: 20px;
  align-items: baseline;
  min-height: 0;
  padding: 20px 0 21px;
  border-right: 0;
  border-bottom: 1px solid var(--visual-line, #dce9f7);
}
.timeline.px-cycles .timeline-item::before {
  content: counter(pxcyc, decimal-leading-zero);
  counter-increment: pxcyc;
  position: static;
  width: auto;
  height: auto;
  border-radius: 0;
  background: none;
  box-shadow: none;
  color: #587196;
  font: 700 14px/1.5 var(--px-mono, Consolas, monospace);
  letter-spacing: .06em;
}
.timeline.px-cycles .timeline-item strong { margin-bottom: 0; font-size: 17px; }
.timeline.px-cycles .timeline-item p { color: var(--px-copy); font-size: 13.5px; }

/* ── ⑤ CTA 形态变体（about 双按钮）── */
.visual-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.visual-cta .button.is-ghost { background: transparent; border: 1px solid rgba(255, 255, 255, .82); color: #fff; }
.visual-cta .button.is-ghost:hover { background: rgba(255, 255, 255, .14); }

/* ── ⑥ about 资质/荣誉分组 + 证书统一白框 ── */
.certificate-group { margin-top: clamp(24px, 3.2vw, 38px); }
.certificate-group:first-of-type { margin-top: 0; }
.certificate-group-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 15px;
  color: var(--px-ink);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0;
}
.certificate-group-title span { color: #587196; font: 600 12px/1 var(--px-mono); letter-spacing: .06em; }
.certificate-group .certificate-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.certificate-group .certificate-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.certificate-grid img { padding: 7px; }

/* ── ⑦ media-story 引导句降级样式（h3 → p，避免压过 h2）── */
.media-story-copy p.media-story-lede {
  margin: 0;
  color: var(--visual-ink, #071c45);
  font-size: clamp(21px, 2vw, 27px);
  font-weight: 700;
  line-height: 1.36;
  letter-spacing: 0;
}

/* ── ⑧ solutions 场景卡主次（1 大 2 小，制造焦点）── */
@media (min-width: 901px) {
  .scenario-focus-grid { grid-template-columns: minmax(0, 1.34fr) minmax(0, 1fr) minmax(0, 1fr); }
}

/* ── ⑨ h1 断行控制（消除孤字）── */
.px-narr-copy h1,
.px-file-inner h1,
.px-plinth-copy h1 { text-wrap: balance; }

/* ── ⑩ 本层窄屏声明（覆盖链自洽：凡本层覆盖过的属性都必须在此重述窄屏值）── */
@media (max-width: 900px) {
  .px-scale-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .px-scale-rail li { padding: 24px 20px 22px 0; border-top: 0; }
  .px-scale-rail li + li { padding-left: 20px; border-left: 0; }
  .px-scale-rail li:nth-child(2n) { border-left: 1px solid var(--px-line); }
  .px-scale-rail li:nth-child(2n + 1) { padding-left: 0; }
  .px-scale-rail li:nth-child(n + 3) { border-top: 1px solid var(--px-line); margin-top: 22px; }
  .px-scale-rail li:nth-child(3)::before { left: 0; }
  .px-scale-rail li:nth-child(4)::before { left: 19px; }
  .px-scale-rail li:nth-child(n + 3)::before { top: -6px; }

  .px-plinth-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .px-plinth-item { padding: 22px 20px 20px 0; }
  .px-plinth-item + .px-plinth-item { padding-left: 20px; }
  .px-plinth-item:nth-child(2n) { border-right: 0; }
  .px-plinth-item:nth-child(n + 3) { border-top: 1px solid var(--px-line); }
  .px-plinth-item:nth-child(3) { padding-left: 0; }
  .px-plinth-hex { opacity: .42; }

  .timeline.px-cycles .timeline-item { grid-template-columns: minmax(44px, .12fr) minmax(0, 1fr); row-gap: 8px; }
  .timeline.px-cycles .timeline-item p { grid-column: 2; }

  .certificate-group .certificate-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .certificate-group .certificate-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .px-file-inner { text-align: left; }
  .px-file-lede { margin-left: 0; margin-right: 0; }
  .px-file-actions .button { flex: 1 1 auto; justify-content: center; }

  .px-scale-rail { grid-template-columns: 1fr; }
  .px-scale-rail li,
  .px-scale-rail li + li { padding: 20px 0 22px; border-left: 0; }
  .px-scale-rail li:nth-child(n + 3) { margin-top: 0; }
  .px-scale-rail li:nth-child(n + 2) { border-top: 1px solid var(--px-line); }
  .px-scale-rail li::before,
  .px-scale-rail li + li::before,
  .px-scale-rail li:nth-child(2n)::before,
  .px-scale-rail li:nth-child(3)::before,
  .px-scale-rail li:nth-child(4)::before { left: 0; }

  .px-plinth-strip { grid-template-columns: 1fr; }
  .px-plinth-item,
  .px-plinth-item + .px-plinth-item { padding: 18px 0 20px; border-right: 0; }
  .px-plinth-item + .px-plinth-item { border-top: 1px solid var(--px-line); }
  .px-plinth-hex { width: 200px; opacity: .34; }

  .timeline.px-cycles .timeline-item { grid-template-columns: 1fr; gap: 8px; }
  .timeline.px-cycles .timeline-item p { grid-column: auto; }

  .certificate-group .certificate-grid,
  .certificate-group .certificate-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .visual-cta-actions { margin-top: 22px; }
}

/* ===== 2026-10-14 阶段 C 组件层 ===== */
/* ===== 2026-10-14 阶段 C 组件层（news / contact / downloads） ===== */

/* ① 通用：清单页章节头（h2 + 右侧 mono 图例 + 底线）——与 solutions 序号 / cases 橙标 / about 超浅号区分 */
.px-sec-head--ledger {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 18px 26px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--px-line-strong);
}
.px-legend { color: #587196; font: 12px/1.6 var(--px-mono); letter-spacing: .04em; white-space: nowrap; }

/* 纵排章节头（下载页：图例换行到导语下方，打破与 news 同构的中段节奏） */
.px-sec-head--stack { grid-template-columns: minmax(0, 1fr); gap: 0; }
.px-sec-head--stack h2 { font-size: clamp(24px, 2.4vw, 32px); }
.px-sec-head--stack p { max-width: 680px; }
.px-sec-head--stack .px-legend { display: block; margin-top: 12px; }

/* 次级按钮（联系页表单：打开邮件草稿） */
.button.button-secondary {
  border: 1px solid #bdd5ef;
  background: #f7fbff;
  color: var(--visual-deep, #073e9b);
}
.button.button-secondary:hover { background: #eef6ff; }

/* 行内 CTA 带（轻量收尾，替代满宽 .visual-cta） */
.px-cta-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 26px;
  margin-top: clamp(30px, 4vw, 48px);
  padding: 26px 0 0;
  border-top: 1px solid var(--px-line-strong);
}
.px-cta-line p { margin: 0; max-width: 620px; color: var(--px-ink); font-size: clamp(17px, 1.7vw, 21px); font-weight: 700; line-height: 1.5; letter-spacing: 0; }
.px-cta-line .button { min-height: 46px; border-radius: 8px; white-space: nowrap; }

/* 卡片式收尾（下载页专用，与 news 的横线式区分） */
.px-cta-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 26px;
  margin-top: clamp(30px, 4vw, 48px);
  padding: 24px 26px;
  border: 1px solid var(--px-line);
  border-radius: 12px;
  background: linear-gradient(120deg, #f7fbff, #eef6ff);
}
.px-cta-card p { margin: 0; max-width: 620px; color: var(--px-ink); font-size: clamp(16px, 1.6vw, 20px); font-weight: 700; line-height: 1.5; letter-spacing: 0; }
.px-cta-card .button { min-height: 46px; border-radius: 8px; white-space: nowrap; }

/* ② news：刊头（报头式：粗顶线 + 刊头行 + 横向 lede） */
.px-journal {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 4.4vw, 58px) 0 clamp(30px, 4vw, 50px);
  background: linear-gradient(180deg, #fbfdff 0%, #f4f9ff 100%);
  border-bottom: 1px solid var(--px-line);
}
.px-journal-inner { position: relative; z-index: 1; }

/* 报刊分栏线（竖向）：与 solutions 方格网 / cases 横格纸区分的第三种背景语言 */
.px-journal::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, transparent 0 59px, rgba(72, 139, 214, .075) 59px 60px);
  pointer-events: none;
}
.px-journal-mast {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, .52fr);
  gap: 20px 40px;
  align-items: end;
  padding-top: clamp(18px, 2.2vw, 26px);
  border-top: 3px solid var(--px-ink);
}
.px-journal-mast .visual-kicker { margin: 0 0 14px; color: #45688f; }
.px-journal-mast h1 { margin: 0; color: var(--px-ink); font-size: clamp(36px, 4.4vw, 60px); font-weight: 700; line-height: 1.1; letter-spacing: 0; text-wrap: balance; }
.px-journal-meta {
  margin: 0 0 6px;
  padding-left: 18px;
  border-left: 2px solid #ff922e;
  color: #4f6a93;
  font: 12px/1.85 var(--px-mono);
  letter-spacing: .02em;
}
.px-journal-lede { max-width: 760px; margin: 24px 0 0; color: var(--px-copy); font-size: clamp(15px, 1.3vw, 16.5px); line-height: 1.85; }
.px-journal .px-narr-actions { margin-top: 26px; }

/* news：目录表（行式索引） */
.px-journal-table { border-top: 1px solid var(--px-line-strong); }
.px-jrow {
  display: grid;
  grid-template-columns: 46px minmax(96px, .22fr) minmax(0, 1fr) auto;
  gap: 16px;
  align-items: baseline;
  padding: 18px 0 19px;
  border-bottom: 1px solid var(--px-line);
  color: var(--px-ink);
  transition: background-color .18s ease;
}
.px-jrow:hover, .px-jrow:focus-visible { background: rgba(5, 108, 240, .04); }
.px-jno { color: #587196; font: 700 12px/1.6 var(--px-mono); letter-spacing: .06em; }
.px-jcol { color: #4f6a93; font-size: 13px; font-weight: 600; }
.px-jtitle { font-size: 16.5px; font-weight: 700; }
.px-jtitle small { display: block; margin-top: 7px; color: var(--px-copy); font-size: 13px; font-weight: 400; line-height: 1.7; }
.px-jgo { color: #045bbf; font-size: 14px; transition: transform .18s ease; }
.px-jrow:hover .px-jgo { transform: translateX(3px); }

/* news：图版（feature 行） */
.px-jrow--feature {
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: clamp(22px, 3.4vw, 48px);
  align-items: center;
  padding: clamp(22px, 3vw, 34px) 0;
}
.px-jplate { margin: 0; }
.px-jplate img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border: 1px solid var(--px-line); border-radius: 10px; }
.px-jplate figcaption { margin-top: 10px; color: #587196; font: 11.5px/1.6 var(--px-mono); letter-spacing: .02em; }
.px-jbody h3 { margin: 10px 0 0; color: var(--px-ink); font-size: clamp(20px, 2vw, 26px); font-weight: 700; line-height: 1.3; letter-spacing: 0; }
.px-jbody p { max-width: 560px; margin: 12px 0 0; color: var(--px-copy); font-size: 14px; line-height: 1.8; }
.px-jbody .card-link { display: inline-flex; gap: 8px; margin-top: 16px; color: #045bbf; font-size: 13.5px; font-weight: 700; }

/* news：发布规则三列 */
.px-rule-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--px-line-strong);
}
.px-rule-strip > div { padding: 22px 24px 24px 0; border-right: 1px solid var(--px-line); }
.px-rule-strip > div:last-child { border-right: 0; }
.px-rule-strip > div + div { padding-left: 24px; }
.px-rule-no { display: block; color: #587196; font: 700 12px/1 var(--px-mono); letter-spacing: .06em; }
.px-rule-strip strong { display: block; margin: 12px 0 0; color: var(--px-ink); font-size: 17px; }
.px-rule-strip p { margin: 10px 0 0; color: var(--px-copy); font-size: 13px; line-height: 1.72; }

/* ③ contact：分流服务台（首屏即功能，无大图） */
.px-desk {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 4.2vw, 56px) 0 clamp(28px, 3.6vw, 46px);
  background:
    radial-gradient(circle at 12% 0%, rgba(95, 166, 255, .12), transparent 46%),
    linear-gradient(180deg, #ffffff 0%, #f5faff 100%);
  border-bottom: 1px solid var(--px-line);
}

/* 工程点阵：与服务页的"分流台"气质一致 */
.px-desk::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(72, 139, 214, .08) 1.05px, transparent 1.15px);
  background-size: 22px 22px;
  pointer-events: none;
}
.px-desk-inner, .px-routes { position: relative; z-index: 1; }
.px-desk-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(280px, .68fr);
  gap: clamp(26px, 4vw, 58px);
  align-items: end;
}
.px-desk-copy .visual-kicker { margin: 0 0 16px; color: #45688f; }
.px-desk-copy h1 { margin: 0; color: var(--px-ink); font-size: clamp(34px, 4.2vw, 56px); font-weight: 700; line-height: 1.1; letter-spacing: 0; text-wrap: balance; }
.px-desk-lede { max-width: 640px; margin: 20px 0 0; color: var(--px-copy); font-size: clamp(15px, 1.3vw, 16.5px); line-height: 1.85; }
.px-desk-card {
  padding: 22px 24px 24px;
  border: 1px solid var(--px-line);
  border-top: 3px solid var(--cn-blue, #056cf0);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(9, 52, 118, .07);
}
.px-desk-card h2 { margin: 0; color: var(--px-ink); font-size: 15px; letter-spacing: 0; }
.px-desk-mail { display: inline-block; margin: 12px 0 0; color: #045bbf; font-size: 16.5px; font-weight: 700; word-break: break-all; }
.px-desk-mail:hover { text-decoration: underline; text-underline-offset: 4px; }
.px-desk-card p { margin: 12px 0 0; color: var(--px-copy); font-size: 12.5px; line-height: 1.75; }

/* contact：四条合作路径（首屏主模块） */
.px-routes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(30px, 4vw, 48px);
  border-top: 1px solid var(--px-line-strong);
}
.px-route {
  position: relative;
  display: block;
  padding: 22px 24px 24px 0;
  border-right: 1px solid var(--px-line);
  color: var(--px-ink);
  transition: background-color .18s ease;
}
.px-route:last-child { border-right: 0; }
.px-route + .px-route { padding-left: 24px; }
.px-route:hover, .px-route:focus-visible { background: rgba(5, 108, 240, .045); }
.px-route-no { display: block; color: #4a6489; font: 700 12px/1 var(--px-mono); letter-spacing: .06em; }
.px-route strong { display: block; margin: 12px 0 0; font-size: 17px; }
.px-route p { margin: 9px 0 0; color: var(--px-copy); font-size: 13px; line-height: 1.7; }
.px-route em { position: absolute; right: 20px; top: 22px; color: #045bbf; font-style: normal; font-size: 14px; transition: transform .18s ease; }
.px-route:hover em { transform: translateX(3px); }

/* ④ downloads：资料柜 */
.px-archive {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 4.2vw, 56px) 0 clamp(28px, 3.6vw, 46px);
  background:
    radial-gradient(circle at 88% 4%, rgba(95, 166, 255, .10), transparent 42%),
    linear-gradient(200deg, #fdfeff 0%, #f1f8ff 100%);
  border-bottom: 1px solid var(--px-line);
}

/* 档案斜纹：与另两页的竖列线 / 点阵区分 */
.px-archive::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, transparent 0 13px, rgba(72, 139, 214, .06) 13px 14px);
  pointer-events: none;
}
.px-archive .site-shell { position: relative; z-index: 1; }
.px-archive-head { display: block; padding-top: 0; border-top: 0; }
.px-archive-head .visual-kicker { margin: 0 0 14px; color: #45688f; }
.px-archive-head h1 { margin: 0; color: var(--px-ink); font-size: clamp(34px, 4.2vw, 56px); font-weight: 700; line-height: 1.1; letter-spacing: 0; text-wrap: balance; }
.px-archive-chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 0; padding: 0; list-style: none; }
.px-archive-chips li { padding: 6px 13px; border: 1px solid #cbd9ea; border-radius: 999px; background: #f4f8fd; color: #4f6a93; font-size: 12px; font-weight: 600; }
.px-archive-chips li.is-ready { border-color: #bcd8f5; background: #eef7ff; color: #0b4f9c; }
.px-archive-lede { max-width: 760px; margin: 24px 0 0; color: var(--px-copy); font-size: clamp(15px, 1.3vw, 16.5px); line-height: 1.85; }

.px-cabinet { border-top: 1px solid var(--px-line-strong); }
.px-slot {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 24px 0 26px;
  border-bottom: 1px solid var(--px-line);
}
.px-slot.is-ready { grid-template-columns: 52px 168px minmax(0, 1fr); }
.px-slot-no { color: #587196; font: 700 12px/1.6 var(--px-mono); letter-spacing: .06em; padding-top: 4px; }
.px-slot-cover { margin: 0; }
.px-slot-cover img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: contain; padding: 14px; border: 1px solid var(--px-line); border-radius: 10px; background: #fff; }
.px-slot-cover figcaption { margin-top: 8px; color: #587196; font: 11.5px/1.6 var(--px-mono); text-align: center; letter-spacing: .02em; }
.px-slot-top { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.px-slot-top h3 { margin: 0; color: var(--px-ink); font-size: clamp(18px, 1.8vw, 22px); font-weight: 700; letter-spacing: 0; }
.px-slot-body > p { max-width: 720px; margin: 12px 0 0; color: var(--px-copy); font-size: 13.5px; line-height: 1.78; }
.px-slot-meta { display: flex; flex-wrap: wrap; gap: 10px 26px; margin: 14px 0 0; padding: 0; list-style: none; }
.px-slot-meta li { color: #4f6a93; font-size: 12px; }
.px-slot-meta strong { margin-left: 6px; color: var(--px-ink); font-size: 12.5px; }
.px-slot-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.px-slot-actions .button { min-height: 44px; border-radius: 8px; }
.px-chip {
  padding: 5px 11px;
  border: 1px solid #cbd9ea;
  border-radius: 999px;
  background: #f4f8fd;
  color: #4f6a93;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.px-chip.is-ready { border-color: #bcd8f5; background: #eef7ff; color: #0b4f9c; }

/* ===== 阶段 C 响应式（本层自洽，不依赖更早的 media query） ===== */
@media (max-width: 1100px) {
  .px-journal-mast { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .px-journal-meta { margin-top: 6px; }
  .px-desk-inner { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .px-routes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .px-route:nth-child(2n) { border-right: 0; padding-right: 0; }
  .px-route:nth-child(2n + 1) { padding-left: 0; }
  .px-route:nth-child(n + 3) { border-top: 1px solid var(--px-line); }
  .px-route:nth-child(3) { padding-left: 0; }
  .px-slot.is-ready { grid-template-columns: 52px minmax(0, 1fr); }
  .px-slot.is-ready .px-slot-cover { grid-column: 2; max-width: 240px; }
  .px-slot.is-ready .px-slot-body { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .px-journal-table .px-jrow { grid-template-columns: 40px minmax(0, 1fr) auto; }
  .px-jrow .px-jcol { display: none; }
  .px-journal-table .px-jrow--feature { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .px-rule-strip { grid-template-columns: minmax(0, 1fr); }
  .px-rule-strip > div { padding: 20px 0 22px; border-right: 0; border-bottom: 1px solid var(--px-line); }
  .px-rule-strip > div + div { padding-left: 0; }
  .px-rule-strip > div:last-child { border-bottom: 0; }
  .px-slot, .px-slot.is-ready { grid-template-columns: 44px minmax(0, 1fr); }
  .px-slot .px-slot-cover { grid-column: 2; max-width: 200px; }
  .px-slot.is-ready .px-slot-body { grid-column: 1 / -1; }
  .px-cta-line { align-items: flex-start; }
  .px-cta-card { align-items: flex-start; }
}

@media (max-width: 680px) {
  .px-routes { grid-template-columns: minmax(0, 1fr); }
  .px-route,
  .px-route + .px-route { padding: 18px 0 20px; border-right: 0; }
  .px-route + .px-route { border-top: 1px solid var(--px-line); }
  .px-route em { top: 18px; right: 0; }
  .px-journal .px-narr-actions .button { flex: 1 1 auto; justify-content: center; }
  .px-cta-line { flex-direction: column; align-items: stretch; }
  .px-cta-line .button { justify-content: center; }
  .px-cta-card { flex-direction: column; align-items: stretch; }
  .px-cta-card .button { justify-content: center; }
  .px-slot-actions .button { flex: 1 1 auto; justify-content: center; }
  .px-sec-head--ledger { grid-template-columns: minmax(0, 1fr); }
  .px-legend { white-space: normal; }
}

/* 链接与序号对比度（2026-10-14 全站扫描修正） */
.card-link { color: #045bbf; }
.card-link:hover { color: #ff7900; }

/* --------------------------------------------------------------------------
   招贤纳士 careers（2026-10-15 新增栏目）
   开场 = 居中窄栏（与其他 10 个栏目的开场结构保持差异）+ 方向矩阵 + 流程与投递
   -------------------------------------------------------------------------- */
.px-recruit {
  padding: clamp(58px, 6.8vw, 96px) 0 clamp(46px, 5.2vw, 74px);
  background: #fff;
  text-align: center;
}
.px-recruit-inner { max-width: 780px; margin-inline: auto; }
.px-recruit .visual-kicker { margin: 0; color: #045bbf; letter-spacing: .18em; }
.px-recruit h1 {
  margin: 16px 0 0;
  color: var(--px-ink);
  font-size: clamp(34px, 4.4vw, 54px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0;
}
.px-recruit-lede {
  max-width: 620px;
  margin: 20px auto 0;
  color: var(--px-copy);
  font-size: 16px;
  line-height: 1.9;
}
.px-recruit-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 26px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  color: #526f95;
  font: 12.5px/1.6 var(--px-mono);
  letter-spacing: .02em;
}
.px-recruit-meta li { display: inline-flex; align-items: center; gap: 8px; }
.px-recruit-meta li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 1px;
  background: #ff7a16;
}

/* 方向矩阵 */
.px-recruit-dirs {
  padding: clamp(48px, 5.6vw, 78px) 0;
  background: #f7fbff;
}
.px-recruit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.px-recruit-dir {
  padding: 22px 20px 20px;
  border: 1px solid var(--px-line);
  border-radius: 12px;
  background: #fff;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.px-recruit-dir:hover {
  border-color: var(--px-line-strong);
  box-shadow: 0 12px 28px rgba(20, 78, 158, .09);
  transform: translateY(-2px);
}
.px-recruit-dir-no { display: block; color: #045bbf; font: 700 12px/1 var(--px-mono); letter-spacing: .08em; }
.px-recruit-dir b { display: block; margin-top: 12px; color: var(--px-ink); font-size: 16px; line-height: 1.35; }
.px-recruit-dir p { margin: 8px 0 0; color: var(--px-copy); font-size: 13px; line-height: 1.75; }
.px-recruit-dirs-note { margin: 16px 0 0; color: #55708f; font-size: 12px; letter-spacing: .01em; }

/* 流程与投递 */
.px-recruit-apply {
  padding: clamp(48px, 5.6vw, 78px) 0 clamp(58px, 6.2vw, 88px);
  background: #fff;
}
/* flow 步骤说明文字对比度（原 #637b9b 实测 4.34 → #55708f 实测 4.98） */
.px-recruit-apply .flow-step span { color: #55708f; }

.px-recruit-mail {
  max-width: 640px;
  margin: 26px auto 0;
  padding: 26px 30px;
  border: 1px solid #cfe2f7;
  border-radius: 14px;
  background: linear-gradient(160deg, #f7fbff, #eef6ff);
  text-align: center;
}
.px-recruit-mail h3 { margin: 0; color: var(--px-ink); font-size: 18px; }
.px-recruit-mail .mail {
  display: inline-block;
  margin: 12px 0 0;
  color: #045bbf;
  font-size: 18px;
  font-weight: 700;
  word-break: break-all;
}
.px-recruit-mail .mail:hover { color: #ff7900; }
.px-recruit-mail p { margin: 12px 0 0; color: var(--px-copy); font-size: 13px; line-height: 1.8; }
.px-recruit-mail .note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed #cfe2f7;
  color: #55708f;
  font-size: 12px;
}

@media (max-width: 1080px) {
  .px-recruit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .px-recruit { padding: 62px 0 46px; }
  .px-recruit h1 { font-size: clamp(30px, 8.6vw, 42px); }
  .px-recruit-lede { font-size: 15px; }
  .px-recruit-grid { grid-template-columns: 1fr; }
}

/* ===== 2026-10-15 资讯详情页（px-art-*）：报头复用 px-journal，正文/导航为本层新类 ===== */
.px-art-hero .px-journal-mast h1 { font-size: clamp(25px, 3.1vw, 42px); line-height: 1.28; }

.px-art-body { max-width: 860px; }
.px-art-body > p { margin: 0 0 22px; color: var(--px-copy); font-size: 16px; line-height: 1.95; }
.px-art-body > p:first-child { color: var(--px-ink); font-size: 17px; line-height: 1.9; }

.px-art-fig { margin: 30px 0 34px; }
.px-art-fig img { display: block; width: 100%; height: auto; border: 1px solid var(--px-line); border-radius: 10px; }
.px-art-fig figcaption { margin-top: 10px; color: #587196; font: 12px/1.6 var(--px-mono); letter-spacing: .02em; }

.px-art-nav {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 14px 26px;
  align-items: center;
  margin-top: clamp(38px, 4.4vw, 56px);
  padding-top: 24px;
  border-top: 1px solid var(--px-line-strong);
}
.px-art-nav-side { display: block; max-width: 340px; color: var(--px-ink); }
.px-art-nav-side strong {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 6px;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.55;
}
.px-art-nav-side span { display: block; }
.px-art-nav-side.is-next { justify-self: end; text-align: right; }
.px-art-nav-label { color: #587196; font: 700 12px/1.5 var(--px-mono); letter-spacing: .04em; }
.px-art-nav-back { color: #045bbf; font-size: 13.5px; font-weight: 700; white-space: nowrap; }
.px-art-nav-side:hover strong, .px-art-nav-side:focus-visible strong { color: #056cf0; }
.px-art-nav-back:hover, .px-art-nav-back:focus-visible { color: #073e9b; }
.px-art-nav-side:focus-visible, .px-art-nav-back:focus-visible { outline: 2px solid #056cf0; outline-offset: 3px; border-radius: 4px; }

@media (max-width: 900px) {
  .px-art-body { max-width: none; }
  .px-art-body > p { font-size: 15.5px; }
  .px-art-body > p:first-child { font-size: 16px; }
  .px-art-nav { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .px-art-nav-side, .px-art-nav-side.is-next { max-width: none; justify-self: stretch; text-align: left; }
  .px-art-nav-back { order: -1; }
}

/* ==========================================================================
   r52（2026-10-19）：商务合作页 —— 联系方式 / 官方账号二维码
   ========================================================================== */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.biz-channel {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 20px 18px 18px;
  border: 1px solid var(--px-line, #dbe7f5);
  border-radius: 10px;
  background: #fff;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.biz-channel:hover,
.biz-channel:focus-visible {
  border-color: #a9cbed;
  box-shadow: 0 12px 26px rgba(9, 52, 118, .09);
  transform: translateY(-2px);
}
.biz-channel-icon {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: #eef6ff;
  color: #056cf0;
}
.biz-icon { width: 20px; height: 20px; }
.biz-channel-body { min-width: 0; display: block; }
.biz-channel-body b { display: block; color: var(--px-ink, #071c45); font-size: 14px; }
.biz-channel-body em {
  display: block;
  margin-top: 5px;
  color: #045bbf;
  font-size: 12.5px;
  font-style: normal;
  font-weight: 600;
  overflow-wrap: anywhere;
}
.biz-channel-body small { display: block; margin-top: 4px; color: #55708f; font-size: 11px; line-height: 1.5; }
.biz-channel-arrow { margin-left: auto; align-self: center; color: #8fa9cb; font-size: 14px; }

.biz-social-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.biz-social-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 16px 18px;
  border: 1px solid #dceafb;
  border-radius: 10px;
  background: #fff;
}
.biz-social-head { display: flex; align-items: center; gap: 10px; align-self: stretch; }
.biz-social-icon {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: #eef6ff;
  color: #056cf0;
}
.biz-social-glyph { width: 21px; height: 21px; }
.biz-social-head b { display: block; color: var(--px-ink, #071c45); font-size: 13.5px; }
.biz-social-head small { display: block; margin-top: 3px; color: #55708f; font-size: 11px; }
.biz-qr { margin-top: 16px; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.biz-qr-frame {
  width: 168px;
  height: 168px;
  display: grid;
  place-items: center;
  border: 1px dashed #b9d3ef;
  border-radius: 8px;
  background: repeating-linear-gradient(45deg, #f4f9ff 0 6px, #eef6ff 6px 12px);
  color: #6f92bb;
}
.biz-qr-glyph { width: 52px; height: 52px; opacity: .9; }
.biz-qr small { color: #7c93ae; font-size: 10.5px; }

@media (max-width: 1080px) {
  .biz-grid,
  .biz-social-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .biz-grid,
  .biz-social-grid { grid-template-columns: 1fr; }
  .biz-social-card { padding: 18px 16px; }
}

/* r54：联系方式二维码图片（后台图片位覆盖后替换占位框） */
.biz-qr-image {
  display: block;
  width: 168px;
  height: 168px;
  margin: 0 auto 9px;
  border-radius: 8px;
  background: #fff;
  object-fit: contain;
}