/*
Theme Name: 泰安蓝图环保科技 (Lantu Blueprint)
Theme URI: https://example.com/
Author: 白工 (Bai Gong)
Author URI: https://example.com/
Description: 工程蓝图风中文企业主题——口号「按图施工,按标达标」:整站如一张摊开的施工图,蓝图蓝底色叠加网格纸纹理,白色细线卡片带四角角标,等宽字体标注,图纸编号(DWG)、材料表(MAT-01)、尺寸标注线、标高符号与图签明细栏一应俱全。核心组件为白色细线工程剖面感的 TA-DWG 系列 PP 喷淋塔 SVG 剖面图。内置图纸库(产品)自定义文章类型,适用于主攻非标定制与设计院配套的环保设备制造企业。演示公司为虚构。
Version: 1.0.0
Requires at least: 5.9
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: lantu-blueprint
Tags: blue, custom-logo, custom-menu, one-column, full-width-template
*/

/* ============================================================
   0. 设计变量 —— 蓝图图纸配色
   ============================================================ */
:root {
  --c-bg: #123a75;            /* 蓝图蓝底 */
  --c-bg-deep: #0d2c5c;       /* 深一档 */
  --c-bg-panel: rgba(9, 30, 64, 0.42);
  --c-line: #bcd6ff;          /* 浅蓝细线 */
  --c-line-strong: #e8f1ff;   /* 白色主线 */
  --c-line-soft: rgba(188, 214, 255, 0.42);
  --c-line-faint: rgba(188, 214, 255, 0.16);
  --c-ink: #eef5ff;           /* 正文 */
  --c-ink-dim: #9fc0f0;       /* 次级文字 */
  --c-paper: #f4f8ff;         /* 反白块 */
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --wrap: 1180px;
}

/* ============================================================
   1. 基础重置 + 网格纸底纹
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-ink);
  background-color: var(--c-bg);
  /* 网格纸:120px 主格 + 24px 细格 */
  background-image:
    repeating-linear-gradient(0deg,  rgba(188,214,255,0.13) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(90deg, rgba(188,214,255,0.13) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(0deg,  rgba(188,214,255,0.05) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(188,214,255,0.05) 0 1px, transparent 1px 24px);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* 图框:整站如一张装订好的图纸 */
body::after {
  content: "";
  position: fixed;
  inset: 8px;
  border: 1px solid rgba(188, 214, 255, 0.4);
  pointer-events: none;
  z-index: 120;
}
body::before {
  content: "";
  position: fixed;
  inset: 13px;
  border: 1px solid rgba(188, 214, 255, 0.14);
  pointer-events: none;
  z-index: 120;
}

img { max-width: 100%; height: auto; }
svg { display: block; }

a { color: var(--c-line); text-decoration: underline; text-decoration-style: dotted; text-underline-offset: 3px; }
a:hover { color: #ffffff; }

h1, h2, h3, h4, h5, h6 { color: var(--c-line-strong); line-height: 1.35; font-weight: 600; letter-spacing: 0.04em; }

::selection { background: rgba(232, 241, 255, 0.9); color: var(--c-bg); }

.mono { font-family: var(--font-mono); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* 无障碍 */
.screen-reader-text {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px);
  width: 1px; height: 1px;
  overflow: hidden;
  word-wrap: normal !important;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--c-paper);
  color: var(--c-bg);
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ============================================================
   2. 顶部图签栏(header)
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(18, 58, 117, 0.92);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--c-line-faint);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--c-line-soft);
  box-shadow: 0 8px 30px rgba(3, 14, 34, 0.55);
}
.bp-header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-branding a.site-title {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--c-line-strong);
}
.site-branding .custom-logo-link { display: inline-block; }
.site-branding .custom-logo { max-height: 48px; width: auto; }
.logo-mark { flex: none; }
.logo-mark svg { width: 34px; height: 34px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.logo-text strong { font-size: 19px; letter-spacing: 0.06em; font-weight: 700; }
.logo-text small {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--c-ink-dim);
  margin-top: 2px;
}

/* 主导航:等宽字体 + 编号 */
.site-nav { display: flex; align-items: center; }
.primary-menu {
  list-style: none;
  display: flex;
  gap: 4px;
  counter-reset: navno;
}
.primary-menu > li { counter-increment: navno; }
.primary-menu > li > a {
  display: block;
  padding: 10px 13px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--c-line);
  border: 1px solid transparent;
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
}
.primary-menu > li > a::before {
  content: counter(navno, decimal-leading-zero) " ";
  opacity: 0.5;
  font-size: 11px;
}
.primary-menu > li > a:hover,
.primary-menu > li.current-menu-item > a,
.primary-menu > li.current_page_item > a {
  color: #ffffff;
  border-color: var(--c-line-soft);
  background: rgba(188, 214, 255, 0.08);
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  background: transparent;
  border: 1px solid var(--c-line-soft);
  cursor: pointer;
}
.nav-toggle .bars,
.nav-toggle .bars::before,
.nav-toggle .bars::after {
  content: "";
  display: block;
  width: 20px;
  height: 1px;
  background: var(--c-line-strong);
  position: relative;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle .bars::before { position: absolute; top: -6px; }
.nav-toggle .bars::after { position: absolute; top: 6px; }
.nav-open .nav-toggle .bars { background: transparent; }
.nav-open .nav-toggle .bars::before { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle .bars::after { transform: translateY(-6px) rotate(-45deg); }

/* ============================================================
   3. 通用组件:卡片(白细线框 + 四角角标)
   ============================================================ */
.bp-card {
  position: relative;
  border: 1px solid var(--c-line-soft);
  background: var(--c-bg-panel);
  padding: 26px 24px;
}
/* ::before 画左上/右下角标,::after 画右上/左下角标 —— 四角 L 形白色角线 */
.bp-card::before,
.bp-card::after {
  content: "";
  position: absolute;
  inset: -2px;
  pointer-events: none;
  background-repeat: no-repeat;
}
.bp-card::before {
  background-image:
    linear-gradient(#ffffff, #ffffff), linear-gradient(#ffffff, #ffffff),
    linear-gradient(#ffffff, #ffffff), linear-gradient(#ffffff, #ffffff);
  background-size: 16px 2px, 2px 16px, 16px 2px, 2px 16px;
  background-position: left top, left top, right bottom, right bottom;
}
.bp-card::after {
  background-image:
    linear-gradient(#ffffff, #ffffff), linear-gradient(#ffffff, #ffffff),
    linear-gradient(#ffffff, #ffffff), linear-gradient(#ffffff, #ffffff);
  background-size: 16px 2px, 2px 16px, 16px 2px, 2px 16px;
  background-position: right top, right top, left bottom, left bottom;
}
.bp-card:hover { border-color: var(--c-line); }

/* 占位图区:更细的网格 + 居中线稿 */
.card-fig {
  position: relative;
  height: 168px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line-faint);
  background-color: rgba(10, 33, 70, 0.5);
  background-image:
    repeating-linear-gradient(0deg,  rgba(188,214,255,0.09) 0 1px, transparent 1px 14px),
    repeating-linear-gradient(90deg, rgba(188,214,255,0.09) 0 1px, transparent 1px 14px);
  overflow: hidden;
}
.card-fig svg { width: auto; height: 128px; max-width: 88%; }
.fig-tag {
  position: absolute;
  right: 8px;
  bottom: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--c-ink-dim);
}

.card-title { font-size: 19px; margin-bottom: 4px; }
.card-title a { color: var(--c-line-strong); text-decoration: none; }
.card-title a:hover { color: #ffffff; text-decoration: underline; text-decoration-style: dotted; }
.card-model {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-ink-dim);
  margin-bottom: 14px;
}
.card-excerpt { font-size: 14px; color: var(--c-ink-dim); margin-bottom: 14px; }

/* 参数小表 */
.spec-list { list-style: none; margin: 0 0 18px; }
.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 2px;
  border-bottom: 1px dashed var(--c-line-faint);
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.spec-list li span { color: var(--c-ink-dim); }
.spec-list li b { color: var(--c-line-strong); font-weight: 500; text-align: right; }

/* ============================================================
   4. 按钮 / 尺寸标注线 / 章节头
   ============================================================ */
.bp-btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  padding: 13px 24px;
  border: 1px solid var(--c-line);
  color: #ffffff;
  background: transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.bp-btn:hover { background: rgba(188, 214, 255, 0.14); color: #ffffff; }
.bp-btn.solid { background: var(--c-paper); color: var(--c-bg); border-color: var(--c-paper); font-weight: 600; }
.bp-btn.solid:hover { background: #ffffff; color: var(--c-bg-deep); }
.bp-btn.sm { padding: 9px 16px; font-size: 12px; }

/* 尺寸标注线:两端箭头 + 中央数字 */
.dim-line {
  position: relative;
  height: 0;
  border-top: 1px solid var(--c-line);
  margin: 30px 0 14px;
}
.dim-line::before,
.dim-line::after {
  content: "";
  position: absolute;
  top: -4.5px;
  width: 8px;
  height: 8px;
  border-left: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.dim-line::before { left: 0; transform: rotate(45deg); }
.dim-line::after { right: 0; transform: rotate(225deg); }
.dim-line > span {
  position: absolute;
  left: 50%;
  top: -1.9em;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-line);
  padding: 0 8px;
  white-space: nowrap;
}

/* 章节头:图纸编号 + 标题 + 英文小注 */
.section { padding: 78px 0; }
.sec-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.dwg-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: #ffffff;
  border: 1px solid var(--c-line-soft);
  padding: 4px 10px;
  white-space: nowrap;
}
.sec-title { font-size: clamp(24px, 3.4vw, 34px); }
.sec-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--c-ink-dim);
}
.sec-rule { margin: 26px 0 42px; }
.sec-lead { max-width: 760px; color: var(--c-ink-dim); margin: 14px 0 0; }

/* 通用网格 */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

/* 入场动画 */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ============================================================
   5. Hero:图纸首页
   ============================================================ */
.hero { padding: 96px 0 84px; position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--c-ink-dim);
  margin-bottom: 22px;
}
.hero-kicker::before { content: "▤ "; color: var(--c-line); }
.hero h1 {
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}
.hero h1 .accent {
  color: #ffffff;
  border-bottom: 2px solid var(--c-line);
  padding-bottom: 2px;
}
.hero-sub { color: var(--c-ink-dim); max-width: 34em; margin-bottom: 8px; }
.hero-dim { max-width: 420px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin: 30px 0 38px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 34px;
  justify-content: start;
}
.hero-stats > div { border-left: 1px solid var(--c-line-soft); padding-left: 16px; }
.hero-stats dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-ink-dim);
  margin-bottom: 4px;
}
.hero-stats dd { font-family: var(--font-mono); font-size: 20px; color: #ffffff; }

.hero-fig { position: relative; }
.hero-fig figcaption {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-ink-dim);
  text-align: center;
}

/* CAD 坐标读数(js 更新) */
.bp-coords {
  position: fixed;
  right: 26px;
  bottom: 22px;
  z-index: 110;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-ink-dim);
  border: 1px solid var(--c-line-faint);
  background: rgba(13, 44, 92, 0.82);
  padding: 6px 12px;
  pointer-events: none;
}

/* ============================================================
   6. 喷淋塔 SVG 图纸
   ============================================================ */
.tower-svg { width: 100%; height: auto; }
.tower-svg text { font-family: var(--font-mono); fill: var(--c-line); }
.tower-svg .t-strong { fill: var(--c-line-strong); }
.tower-svg .t-dim-txt { fill: var(--c-ink-dim); }
/* 线稿描画动画 */
.tower-svg .draw {
  stroke-dasharray: 1600;
  stroke-dashoffset: 1600;
  transition: stroke-dashoffset 2.4s ease 0.25s;
}
.is-visible .tower-svg .draw { stroke-dashoffset: 0; }

/* ============================================================
   7. 材质与工艺 / 工作原理 / 行业 / 案例 / 新闻
   ============================================================ */
.craft-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 34px; align-items: start; }
.craft-highlight {
  border-left: 3px solid var(--c-line-strong);
  background: rgba(188, 214, 255, 0.07);
  padding: 22px 24px;
  margin: 22px 0;
}
.craft-highlight strong { color: #ffffff; }
.craft-copy p { margin-bottom: 16px; color: var(--c-ink); }
.craft-copy p.dim { color: var(--c-ink-dim); font-size: 14.5px; }

.anno-list { list-style: none; }
.anno-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 2px;
  border-bottom: 1px dashed var(--c-line-faint);
  font-family: var(--font-mono);
  font-size: 13px;
}
.anno-list li:first-child { border-top: 1px dashed var(--c-line-faint); }
.anno-list li span { color: var(--c-ink-dim); white-space: nowrap; }
.anno-list li b { color: var(--c-line-strong); font-weight: 500; text-align: right; }

/* 工作原理五步 */
.flow-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 26px;
  counter-reset: flowno;
}
.flow-step {
  position: relative;
  border: 1px solid var(--c-line-faint);
  background: var(--c-bg-panel);
  padding: 20px 16px 18px;
}
.flow-step::after {
  content: "→";
  position: absolute;
  right: -22px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  color: var(--c-line);
  font-size: 15px;
}
.flow-step:last-child::after { content: none; }
.step-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  color: rgba(188, 214, 255, 0.55);
  margin-bottom: 8px;
}
.flow-step h3 { font-size: 16px; margin-bottom: 6px; }
.flow-step p { font-size: 12.5px; color: var(--c-ink-dim); line-height: 1.7; }
.flow-note {
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--c-ink-dim);
  letter-spacing: 0.08em;
}
.flow-note b { color: #ffffff; }

/* 应用行业:分区索引块 */
.industry-tile {
  border: 1px solid var(--c-line-faint);
  background: var(--c-bg-panel);
  padding: 20px 18px;
  transition: border-color 0.25s ease;
}
.industry-tile:hover { border-color: var(--c-line); }
.tile-code {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.08em;
  color: rgba(232, 241, 255, 0.8);
  margin-bottom: 10px;
}
.industry-tile h3 { font-size: 16px; margin-bottom: 5px; }
.industry-tile p { font-size: 12.5px; color: var(--c-ink-dim); line-height: 1.7; }

/* 工程档案 */
.case-fig {
  position: relative;
  height: 140px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line-faint);
  background-color: rgba(10, 33, 70, 0.5);
  background-image:
    repeating-linear-gradient(0deg,  rgba(188,214,255,0.09) 0 1px, transparent 1px 14px),
    repeating-linear-gradient(90deg, rgba(188,214,255,0.09) 0 1px, transparent 1px 14px);
}
.case-fig svg { height: 104px; width: auto; }
.case-loc {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--c-ink-dim);
  margin-top: 14px;
}
.case-loc::before { content: "⌖ "; }

/* 修订记录 */
.news-item .news-date {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--c-ink-dim);
  border: 1px solid var(--c-line-faint);
  padding: 3px 9px;
  margin-bottom: 14px;
}
.news-item h3 { font-size: 17px; margin-bottom: 10px; }
.news-item h3 a { color: var(--c-line-strong); text-decoration: none; }
.news-item h3 a:hover { text-decoration: underline; text-decoration-style: dotted; }
.news-item p { font-size: 13.5px; color: var(--c-ink-dim); }

/* 设计说明 */
.about-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 34px; align-items: start; }
.about-copy p { margin-bottom: 15px; }
.about-copy p.dim { color: var(--c-ink-dim); font-size: 14.5px; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.stat {
  border: 1px solid var(--c-line-faint);
  background: var(--c-bg-panel);
  padding: 18px;
}
.stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  color: #ffffff;
  font-weight: 500;
  margin-bottom: 4px;
}
.stat span { font-size: 12.5px; color: var(--c-ink-dim); font-family: var(--font-mono); letter-spacing: 0.08em; }

/* ============================================================
   8. 联系 CTA + 图签(标题栏)
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 34px; align-items: stretch; }
.contact-list { list-style: none; margin: 20px 0 26px; }
.contact-list li {
  display: flex;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--c-line-faint);
  font-size: 14.5px;
}
.contact-list li span {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-ink-dim);
  min-width: 5.5em;
  padding-top: 2px;
}
.contact-list li b { color: var(--c-line-strong); font-weight: 500; font-family: var(--font-mono); }

/* 图签 —— 图纸右下角标题栏样式 */
.title-block {
  border: 1px solid var(--c-line);
  font-family: var(--font-mono);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.tb-cell {
  border: 1px solid var(--c-line-faint);
  padding: 12px 14px;
  min-height: 66px;
}
.tb-cell.wide { grid-column: span 3; }
.tb-cell.half { grid-column: span 1; }
.tb-label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--c-ink-dim);
  margin-bottom: 5px;
}
.tb-value { font-size: 13.5px; color: var(--c-line-strong); letter-spacing: 0.06em; }
.tb-value.blank { color: rgba(188, 214, 255, 0.35); }

/* ============================================================
   9. 页脚
   ============================================================ */
.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--c-line-soft);
  background: rgba(9, 28, 60, 0.72);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 1.1fr;
  gap: 34px;
  padding: 58px 0 44px;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--c-ink-dim);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer-col h4::before { content: "// "; opacity: 0.6; }
.footer-about p { font-size: 13.5px; color: var(--c-ink-dim); margin-bottom: 12px; }
.footer-supplier {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-line);
  border: 1px dashed var(--c-line-soft);
  padding: 10px 13px;
  letter-spacing: 0.04em;
}
.footer-nav .primary-menu { flex-direction: column; gap: 2px; counter-reset: navno; }
.footer-nav .primary-menu > li > a { padding: 7px 0; border: none; }
.footer-contact li {
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 6px 0;
  color: var(--c-ink);
}
.footer-contact li span { color: var(--c-ink-dim); margin-right: 10px; font-size: 11.5px; letter-spacing: 0.14em; }

.footer-widgets { padding: 8px 0 30px; }
.footer-widgets .widget { margin-bottom: 20px; font-size: 13.5px; color: var(--c-ink-dim); }
.footer-widgets .widget-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--c-ink-dim);
  margin-bottom: 12px;
}
.footer-widgets .widget ul { list-style: none; }
.footer-widgets .widget ul li { padding: 4px 0; border-bottom: 1px dashed var(--c-line-faint); }

.footer-bottom {
  border-top: 1px solid var(--c-line-faint);
  padding: 20px 0 26px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-ink-dim);
}

/* ============================================================
   10. 内页 / 文章 / 归档
   ============================================================ */
.page-hero { padding: 64px 0 0; }
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-ink-dim);
  margin-bottom: 26px;
}
.breadcrumb a { color: var(--c-ink-dim); }
.breadcrumb a:hover { color: #ffffff; }
.breadcrumb .sep { margin: 0 8px; opacity: 0.5; }

.entry-header { margin-bottom: 8px; }
.entry-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-ink-dim);
  margin: 14px 0 0;
}
.entry-meta span + span::before { content: " · "; opacity: 0.6; }

.entry-content { max-width: 800px; }
.entry-content > * { margin-bottom: 18px; }
.entry-content h2 { font-size: 24px; margin-top: 38px; padding-bottom: 10px; border-bottom: 1px solid var(--c-line-faint); }
.entry-content h3 { font-size: 19px; margin-top: 28px; }
.entry-content ul, .entry-content ol { padding-left: 1.6em; }
.entry-content li { margin-bottom: 6px; }
.entry-content blockquote {
  border-left: 3px solid var(--c-line);
  background: rgba(188, 214, 255, 0.06);
  padding: 16px 20px;
  color: var(--c-ink-dim);
}
.entry-content blockquote::before {
  content: "注 NOTE";
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: var(--c-line);
  margin-bottom: 6px;
}
.entry-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(188, 214, 255, 0.12);
  padding: 2px 6px;
}
.entry-content pre { background: rgba(6, 20, 44, 0.8); border: 1px solid var(--c-line-faint); padding: 18px; overflow-x: auto; }
.entry-content pre code { background: none; padding: 0; }
.entry-content table { width: 100%; border-collapse: collapse; }
.entry-content table th, .entry-content table td { border: 1px solid var(--c-line-soft); padding: 9px 12px; }
.entry-content a { color: #ffffff; }

/* 归档行:图纸目录册样式 */
.archive-list { display: grid; gap: 20px; max-width: 880px; }
.row-item { padding: 24px 26px; }
.row-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--c-ink-dim);
  margin-bottom: 10px;
}
.row-item h2 { font-size: 20px; margin-bottom: 10px; }
.row-item h2 a { color: var(--c-line-strong); text-decoration: none; }
.row-item h2 a:hover { text-decoration: underline; text-decoration-style: dotted; }
.row-excerpt { font-size: 14px; color: var(--c-ink-dim); margin-bottom: 16px; }

/* 分页 */
.pagination, .nav-links { margin-top: 44px; }
.pagination .nav-links { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 0; }
.page-numbers {
  font-family: var(--font-mono);
  font-size: 13px;
  border: 1px solid var(--c-line-soft);
  color: var(--c-line);
  padding: 8px 14px;
  text-decoration: none;
}
.page-numbers.current { background: var(--c-paper); color: var(--c-bg); border-color: var(--c-paper); }
a.page-numbers:hover { border-color: var(--c-line); color: #ffffff; }

/* 上一篇/下一篇 */
.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid var(--c-line-faint);
  font-family: var(--font-mono);
  font-size: 13px;
}
.post-nav a { max-width: 46%; }

/* 空状态 */
.empty-note {
  border: 1px dashed var(--c-line-soft);
  padding: 26px 28px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--c-ink-dim);
  letter-spacing: 0.05em;
  margin-bottom: 36px;
  max-width: 720px;
}
.empty-note b { color: var(--c-line-strong); }

/* 搜索表单 */
.search-form { display: flex; gap: 0; max-width: 520px; }
.search-form .search-field {
  flex: 1;
  background: rgba(6, 20, 44, 0.7);
  border: 1px solid var(--c-line-soft);
  border-right: none;
  color: var(--c-line-strong);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 12px 16px;
  outline: none;
}
.search-form .search-field:focus { border-color: var(--c-line); }
.search-form .search-field::placeholder { color: rgba(159, 192, 240, 0.6); }
.search-form .search-submit {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  background: var(--c-paper);
  color: var(--c-bg);
  border: 1px solid var(--c-paper);
  padding: 12px 22px;
  cursor: pointer;
}
.search-form .search-submit:hover { background: #ffffff; }

/* 404 */
.error-404 { text-align: center; padding: 110px 0 90px; }
.error-404 .err-code {
  font-family: var(--font-mono);
  font-size: clamp(72px, 14vw, 150px);
  color: rgba(188, 214, 255, 0.85);
  line-height: 1;
  letter-spacing: 0.1em;
}
.error-404 .err-dwg {
  display: inline-block;
  margin: 18px 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  border: 1px solid var(--c-line-soft);
  padding: 5px 14px;
  color: var(--c-ink-dim);
}
.error-404 h1 { font-size: 26px; margin: 14px 0 10px; }
.error-404 p { color: var(--c-ink-dim); margin-bottom: 28px; }
.error-404 .search-form { margin: 0 auto 26px; }
.error-404 .dim-line { max-width: 320px; margin-left: auto; margin-right: auto; }

/* ============================================================
   11. 产品详情:参数明细栏 + 图签
   ============================================================ */
.product-layout { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 40px; align-items: start; margin-bottom: 56px; }
.product-fig {
  border: 1px solid var(--c-line-soft);
  background-color: rgba(10, 33, 70, 0.5);
  background-image:
    repeating-linear-gradient(0deg,  rgba(188,214,255,0.08) 0 1px, transparent 1px 16px),
    repeating-linear-gradient(90deg, rgba(188,214,255,0.08) 0 1px, transparent 1px 16px);
  padding: 26px 18px 16px;
  position: relative;
}
.product-fig img { display: block; margin: 0 auto; }
.product-fig .fig-tag { position: static; display: block; text-align: right; margin-top: 10px; }

.bp-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.bp-table caption {
  caption-side: top;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-ink-dim);
  padding-bottom: 12px;
}
.bp-table th, .bp-table td { border: 1px solid var(--c-line-soft); padding: 10px 14px; text-align: left; vertical-align: top; }
.bp-table th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: #ffffff;
  background: rgba(188, 214, 255, 0.09);
  width: 34%;
  white-space: nowrap;
}
.bp-table td { color: var(--c-ink); font-family: var(--font-mono); font-size: 13px; }

.params-block { margin-bottom: 56px; }
.params-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--c-ink-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}
.params-block .title-block { margin-top: 0; border-top: none; }
.params-block .bp-table { margin-bottom: 0; }

/* 询价 CTA */
.inquiry-cta { display: grid; grid-template-columns: 1fr auto; gap: 26px; align-items: center; margin-bottom: 64px; }
.inquiry-cta h3 { font-size: 21px; margin-bottom: 8px; }
.inquiry-cta p { font-family: var(--font-mono); font-size: 13px; color: var(--c-ink-dim); }
.inquiry-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   12. WordPress 常规样式
   ============================================================ */
.alignleft { float: left; margin: 6px 24px 12px 0; }
.alignright { float: right; margin: 6px 0 12px 24px; }
.aligncenter { display: block; margin-left: auto; margin-right: auto; }
.wp-caption { max-width: 100%; }
.wp-caption-text {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-ink-dim);
  text-align: center;
  padding: 8px 0;
}
.sticky { border-color: var(--c-line); }
.bypostauthor { display: block; }
.gallery-caption { font-size: 12px; }

/* ============================================================
   13. 响应式
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid, .craft-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .flow-step::after { content: none; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .product-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  body::after { inset: 5px; }
  body::before { content: none; }
  .bp-coords { display: none; }

  .section { padding: 56px 0; }
  .hero { padding: 56px 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: 14px; }
  .flow-steps { grid-template-columns: 1fr; }
  .inquiry-cta { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; padding: 44px 0 30px; }
  .title-block { grid-template-columns: repeat(2, 1fr); }
  .tb-cell.wide { grid-column: span 2; }

  /* 汉堡导航 */
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--c-bg-deep);
    border-bottom: 1px solid var(--c-line-soft);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }
  .nav-open .site-nav { max-height: 75vh; overflow-y: auto; }
  .primary-menu { flex-direction: column; padding: 14px 24px 22px; gap: 2px; }
  .primary-menu > li > a { padding: 12px 10px; border-bottom: 1px dashed var(--c-line-faint); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .tower-svg .draw { stroke-dasharray: none; stroke-dashoffset: 0; transition: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}