/* ==========================================================================
   山东矩阵软件工程股份有限公司 · 官网视觉系统 V2
   Direction : Enterprise Cloud / Light Utilitarian（阿里云式明亮企业官网）
   Rule      : 白 + 浅蓝灰为底，#1677FF 主蓝，#FF6A00 仅作点缀，白卡片轻投影
   本文件为唯一样式源；预览页与 PbootCMS 模板共用，请勿分叉修改。
   HTML 结构零改动 —— 全部 class 名沿用 V1，仅重定义视觉表现。
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* 基底 70% */
  --page:       #FFFFFF;
  --soft:       #F5F8FD;
  --soft-2:     #F7FAFF;
  --brand-bg:   #E8F2FF;
  --brand-wash: #F0F7FF;
  --line:       #E5E9F0;
  --line-2:     #EEF2F8;
  --line-blue:  #D6E8FF;
  /* 品牌 25% */
  --brand:      #1677FF;
  --brand-d:    #0B5FD9;
  --brand-l:    #4A9BFF;
  /* 点缀 5% */
  --accent:     #FF6A00;
  --accent-bg:  #FFF3E8;
  /* 文字 */
  --ink:        #1A2233;
  --ink-title:  #14213A;
  --ink-2:      #4A5568;
  --ink-3:      #8A94A6;
  --text:       #4A5568;
  --text-2:     #6B7688;
  --text-3:     #8A94A6;
  --panel:      #FFFFFF;
  --panel-hi:   #F7FAFF;
  --line-soft:  rgba(22, 119, 255, .08);
  --brand-lit:  #4A9BFF;
  --accent-hi:  #FF8A3D;
  --accent-dim: rgba(255, 106, 0, .10);
  --ink-deep:   #14213A;
  --ink-soft:   #F5F8FD;

  /* 阴影 —— 轻、蓝调、绝不厚重 */
  --shadow-xs:  0 2px 8px rgba(26, 34, 51, .05);
  --shadow-sm:  0 4px 16px rgba(22, 119, 255, .08);
  --shadow:     0 10px 30px rgba(22, 119, 255, .11);
  --shadow-lg:  0 18px 50px rgba(22, 119, 255, .15);

  --f-display: 'Lexend', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --f-body:    'Source Sans 3', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --f-mono:    'Source Sans 3', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  --shell:  1280px;
  --gut:    clamp(20px, 4vw, 56px);
  --sec:    clamp(64px, 7vw, 104px);
  --ease:   cubic-bezier(.2, .75, .25, 1);
  --radius: 10px;
}

/* ---------- 2. Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
dl, dd, dt { margin: 0; }
::selection { background: var(--brand); color: #FFFFFF; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 3px; }

.shell { width: 100%; max-width: var(--shell); margin: 0 auto; padding-left: var(--gut); padding-right: var(--gut); }

/* ---------- 3. 顶栏 ---------- */
.topbar {
  background: #F7F9FC;
  border-bottom: 1px solid var(--line-2);
  color: var(--ink-3);
  font-size: 12px;
  line-height: 34px;
}
.topbar .shell { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.topbar strong { color: var(--brand); font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 22px; letter-spacing: .02em; }
.topbar-right span:nth-child(2) { color: var(--ink-2); }

/* ---------- 4. 主导航 ---------- */
.masthead {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 10px rgba(26, 34, 51, .035);
}
.masthead .shell { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand img { height: 38px; width: auto; object-fit: contain; }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 8px;
  background: linear-gradient(135deg, var(--brand), var(--brand-l));
  color: #FFFFFF; font-family: var(--f-display); font-weight: 700; font-size: 17px;
}
.brand-txt { display: flex; flex-direction: column; line-height: 1.15; }
.brand-txt b { font-family: var(--f-display); font-size: 17px; font-weight: 700; color: var(--ink-title); letter-spacing: .01em; }
.brand-txt span { font-size: 10px; color: var(--ink-3); letter-spacing: .12em; }

.mainnav { margin-left: auto; display: flex; align-items: center; }
.mainnav > ul { display: flex; align-items: center; gap: 2px; flex: 1 1 auto; }
.mainnav li { position: relative; }
.mainnav a {
  display: flex; align-items: center; height: 72px; padding: 0 15px;
  font-size: 15px; font-weight: 500; color: #333D52; white-space: nowrap;
  transition: color .2s ease;
}
.mainnav a::after {
  content: ''; position: absolute; left: 15px; right: 15px; bottom: 0;
  height: 2px; background: var(--brand); transform: scaleX(0);
  transition: transform .25s var(--ease);
}
.mainnav a:hover, .mainnav a.active, .mainnav li.active > a { color: var(--brand); }
.mainnav a:hover::after, .mainnav a.active::after { transform: scaleX(1); }
.mainnav .submenu {
  position: absolute; top: calc(100% - 2px); left: 0; min-width: 196px;
  padding: 8px; background: #FFFFFF; border: 1px solid var(--line);
  border-radius: 10px; box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .2s ease, transform .2s var(--ease), visibility .2s;
}
.mainnav li:hover > .submenu, body.nav-open .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.mainnav .submenu a { height: auto; padding: 9px 14px; font-size: 14px; color: var(--ink-2); border-radius: 6px; }
.mainnav .submenu a::after { display: none; }
.mainnav .submenu a:hover { background: var(--brand-wash); color: var(--brand); }

.nav-cta {
  flex: 0 0 auto; margin-left: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  height: 38px; padding: 0 20px; border-radius: 6px;
  background: var(--brand); color: #FFFFFF !important;
  font-size: 14px; font-weight: 600;
  box-shadow: 0 4px 12px rgba(22, 119, 255, .22);
  transition: background .2s, transform .2s var(--ease), box-shadow .2s;
}
.nav-cta:hover { background: var(--brand-d); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(22, 119, 255, .30); }
.nav-toggle {
  display: none; margin-left: auto; width: 40px; height: 40px;
  border: 1px solid var(--line); border-radius: 6px; color: var(--brand);
  font-size: 20px; line-height: 1;
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 46px; padding: 0 28px; border-radius: 6px;
  font-size: 15px; font-weight: 600; white-space: nowrap;
  border: 1px solid transparent;
  transition: background .2s, color .2s, border-color .2s, transform .22s var(--ease), box-shadow .22s;
}
.btn .arw { font-size: 16px; transition: transform .22s var(--ease); }
.btn:hover .arw { transform: translateX(3px); }
.btn-primary {
  background: var(--brand); color: #FFFFFF;
  box-shadow: 0 6px 18px rgba(22, 119, 255, .22);
}
.btn-primary:hover { background: var(--brand-d); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(22, 119, 255, .30); }
.btn-ghost, .btn-line {
  background: #FFFFFF; color: var(--brand); border-color: #C9DCFF;
}
.btn-ghost:hover, .btn-line:hover { background: var(--brand-wash); border-color: var(--brand); transform: translateY(-2px); }
.more { display: inline-flex; align-items: center; gap: 6px; color: var(--brand); font-size: 14px; font-weight: 600; }
.more:hover { color: var(--brand-d); }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(64px, 7vw, 100px) 0 76px;
  background: linear-gradient(118deg, #EAF3FF 0%, #FFFFFF 52%, #F2F8FF 100%);
  border-bottom: 1px solid var(--line-2);
}
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 82% 18%, rgba(22, 119, 255, .13), transparent 46%),
    radial-gradient(circle at 12% 88%, rgba(74, 155, 255, .10), transparent 44%),
    linear-gradient(to right, rgba(22, 119, 255, .035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(22, 119, 255, .035) 1px, transparent 1px);
  background-size: auto, auto, 56px 56px, 56px 56px;
}
.hero-slides { position: absolute; inset: 0; opacity: .04; mix-blend-mode: multiply; pointer-events: none; }
.hero-slides::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, #FFFFFF 0%, rgba(255,255,255,.55) 45%, rgba(255,255,255,.25) 100%);
}
.hero-slide {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1s ease;
}
.hero-slide.is-active { opacity: 1; }
.hero-grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 7fr 5fr; gap: clamp(32px, 4vw, 64px); align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center;
  padding: 6px 14px; border-radius: 4px;
  background: var(--brand-bg); color: var(--brand);
  font-size: 12px; font-weight: 600; letter-spacing: .06em;
}
.hero-eyebrow::after { content: ''; width: 5px; height: 5px; margin-left: 10px; border-radius: 50%; background: var(--brand); }
.hero-title {
  margin-top: 22px;
  font-family: var(--f-display);
  font-size: clamp(38px, 4.2vw, 58px);
  line-height: 1.2; font-weight: 700; letter-spacing: -.02em;
  color: var(--ink-title);
}
.hero-title em { font-style: normal; color: var(--brand); }
.hero-title .thin {
  display: block; margin-top: 16px;
  font-size: 18px; font-weight: 400; line-height: 1.6; letter-spacing: 0;
  color: var(--ink-2);
}
.hero-desc {
  margin-top: 20px; max-width: 640px;
  font-size: 16px; line-height: 1.9; color: var(--ink-2);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-spec {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--line);
}
.hero-spec div { padding-left: 20px; border-left: 1px solid var(--line); }
.hero-spec div:first-child { padding-left: 0; border-left: 0; }
.hero-spec dt { font-size: 11px; letter-spacing: .1em; color: var(--ink-3); }
.hero-spec dd { margin-top: 4px; font-size: 13px; color: var(--ink-2); }
.hero-spec dd b { font-family: var(--f-display); font-size: 26px; font-weight: 700; color: var(--brand); margin-right: 3px; }
.hero-dots { display: flex; gap: 8px; margin-top: 34px; position: relative; z-index: 2; }
.hero-dots button {
  width: 26px; height: 4px; border-radius: 4px; background: #C9DCFA;
  transition: width .3s var(--ease), background .3s;
}
.hero-dots button.is-active { width: 46px; background: var(--brand); }

/* ---------- 7. 管控平台架构卡（深色控制台 → 亮色白卡） ---------- */
.console {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--line-blue);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.console::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--brand), var(--brand-l)); }
.console-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 13px 20px; background: #F5F9FF; border-bottom: 1px solid #E8F0FC;
  font-size: 12px; color: var(--ink-2); letter-spacing: .02em;
}
.console-bar .live { display: inline-flex; align-items: center; gap: 7px; color: var(--brand); font-weight: 600; }
.console-bar .live::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--brand);
  box-shadow: 0 0 0 3px rgba(22, 119, 255, .16);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 0 6px rgba(22, 119, 255, .06); } }
.console-body { padding: 22px 18px 8px; }
.console-body .flow { width: 100%; height: auto; display: block; }
.flow .track { fill: none; stroke: #D6E4FA; stroke-width: 2; }
.flow .track-on { fill: none; stroke: var(--brand); stroke-width: 2; stroke-dasharray: 8 10; animation: dash 9s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -180; } }
.flow .node { fill: var(--brand-wash); stroke: #BBD6FF; stroke-width: 1.5; }
.flow .node-hot { fill: var(--brand); stroke: var(--brand); stroke-width: 1.5; }
.flow .lbl { fill: var(--ink-2); font-size: 11px; font-family: var(--f-body); }
.flow .lbl-hot { fill: #FFFFFF; font-weight: 600; }
.flow .dot { fill: var(--accent); }
.console-metrics {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid #E8F0FC;
}
.console-metrics div { padding: 14px 10px 16px; text-align: center; border-left: 1px solid #E8F0FC; }
.console-metrics div:first-child { border-left: 0; }
.console-metrics dt { font-size: 11px; color: var(--ink-3); }
.console-metrics dd { margin-top: 2px; font-family: var(--f-display); font-size: 22px; font-weight: 700; color: var(--brand); }
.console-metrics dd span { font-family: var(--f-body); font-size: 11px; font-weight: 400; color: var(--ink-3); margin-left: 2px; }
.console-metrics dd.hot { color: var(--accent); }
.console-foot {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 10px 20px; background: #FAFCFF; border-top: 1px solid #EEF4FF;
  font-size: 11px; color: var(--ink-3); letter-spacing: .03em;
}

/* ---------- 8. 区段 ---------- */
.section { padding: var(--sec) 0; }
.section--tight { padding: calc(var(--sec) * .58) 0; }
.section--line { background: var(--soft-2); border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 34px; }
.sec-title { font-family: var(--f-display); font-size: clamp(26px, 2.6vw, 36px); font-weight: 700; line-height: 1.3; color: var(--ink-title); letter-spacing: -.01em; }
.sec-title small { display: block; margin-top: 8px; font-size: 14px; font-weight: 400; color: var(--ink-3); letter-spacing: 0; }
.sec-meta { font-size: 13px; color: var(--ink-3); text-align: right; white-space: nowrap; }
.sec-num {
  display: inline-flex; align-items: center; margin-bottom: 14px;
  padding: 5px 12px; border-radius: 4px;
  background: var(--brand-bg); color: var(--brand);
  font-family: var(--f-display); font-size: 12px; font-weight: 600; letter-spacing: .06em;
}
.sec-lead { max-width: 900px; font-size: 16px; line-height: 1.9; color: var(--ink-2); }
.kicker { display: inline-flex; align-items: center; color: var(--brand); font-size: 13px; font-weight: 600; letter-spacing: .04em; }
.kicker::before { content: ''; width: 3px; height: 14px; margin-right: 9px; border-radius: 2px; background: var(--brand); }

/* ---------- 9. 卡片网格 ---------- */
.grid-3, .grid-4, .news-grid, div.grid { display: grid; gap: 20px; }
.grid-3, div.grid, .news-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.tile, .shot, .news-card, .side-box, .side-cta {
  background: #FFFFFF; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
}
.tile {
  position: relative; min-height: 172px; padding: 28px 24px 26px; overflow: hidden;
  counter-increment: tile;
  transition: transform .25s var(--ease), border-color .25s, box-shadow .25s;
}
.tile:hover, .shot:hover, .news-card:hover {
  transform: translateY(-4px); border-color: var(--brand);
  box-shadow: var(--shadow);
}
/* ---------- 9.1 产品卡背景图：由「几乎不可见」改为右侧渐显 ---------- */
.tile-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: .22;                 /* 不支持遮罩时的降级：整卡淡图，文字仍安全 */
  pointer-events: none;
  transition: filter .3s var(--ease);
}
/* 现代浏览器：图片在卡片右侧清晰呈现，左侧文字区保持纯白 */
@supports (mask-image: linear-gradient(90deg, transparent, #000)) or (-webkit-mask-image: linear-gradient(90deg, transparent, #000)) {
  .tile-bg {
    opacity: 1;
    -webkit-mask-image: linear-gradient(90deg,
      rgba(0,0,0,0) 0%, rgba(0,0,0,0) 44%,
      rgba(0,0,0,.10) 54%, rgba(0,0,0,.45) 70%,
      rgba(0,0,0,.82) 88%, rgba(0,0,0,.88) 100%);
    mask-image: linear-gradient(90deg,
      rgba(0,0,0,0) 0%, rgba(0,0,0,0) 44%,
      rgba(0,0,0,.10) 54%, rgba(0,0,0,.45) 70%,
      rgba(0,0,0,.82) 88%, rgba(0,0,0,.88) 100%);
  }
}
.tile:hover .tile-bg { filter: saturate(1.12); }
/* 离线设计稿：纯 CSS 工业图案代替真实产品图，保持同款视觉、无需外链图片 */
.tile-bg--art {
  background-image:
    radial-gradient(circle at 76% 32%, rgba(22, 119, 255, .20), transparent 52%),
    repeating-linear-gradient(115deg, transparent 0 24px, rgba(22, 119, 255, .10) 24px 25px),
    linear-gradient(135deg, #EAF3FF 0%, #FFFFFF 100%);
}
.tile-idx, .shot-idx, .row-idx { font-size: 0; }
.tile-idx { position: absolute; top: 18px; right: 20px; }
.tile-idx::before {
  content: counter(tile, decimal-leading-zero);
  font-family: var(--f-display); font-size: 12px; font-weight: 700; letter-spacing: .06em;
  color: var(--brand); background: rgba(255, 255, 255, .90);
  padding: 3px 8px; border-radius: 4px;
}
.grid-3--compact .tile-idx::before { color: var(--brand); }
.tile-title { position: relative; font-size: 17px; font-weight: 600; line-height: 1.5; color: var(--ink); }
.tile-title a { transition: color .2s; }
.tile-title a:hover { color: var(--brand); }
.tile-sub { position: relative; margin-top: 10px; font-size: 13px; line-height: 1.7; color: var(--ink-3); }
.tile-arw {
  position: absolute; right: 18px; bottom: 16px;
  width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; background: rgba(255, 255, 255, .92);
  box-shadow: 0 2px 8px rgba(26, 34, 51, .12);
  color: var(--brand); font-size: 16px; line-height: 1;
  transition: transform .22s var(--ease);
}
.tile:hover .tile-arw { transform: translateX(4px); }
.shot { position: relative; overflow: hidden; counter-increment: tile; transition: transform .25s var(--ease), border-color .25s, box-shadow .25s; }
.shot-idx { position: absolute; top: 16px; left: 18px; z-index: 2; }
.shot-idx::before {
  content: "CASE " counter(tile, decimal-leading-zero);
  font-family: var(--f-display); font-size: 11px; font-weight: 700; letter-spacing: .06em;
  color: var(--brand); background: rgba(255,255,255,.92); padding: 4px 9px; border-radius: 4px;
}
.shot-tag { display: inline-flex; padding: 4px 10px; border-radius: 4px; background: var(--accent-bg); color: var(--accent); font-size: 11px; font-weight: 600; }
.shot .art { width: 100%; height: auto; display: block; background: var(--brand-wash); }
.news-card { overflow: hidden; transition: transform .25s var(--ease), border-color .25s, box-shadow .25s; }
.news-thumb { height: 158px; background: linear-gradient(135deg, var(--brand-wash), var(--brand-bg)); overflow: hidden; }
.news-thumb .art { width: 100%; height: 100%; }
.news-card h3 { padding: 18px 20px 4px; font-size: 16px; font-weight: 600; color: var(--ink); }
.news-card p { padding: 0 20px 18px; font-size: 13px; color: var(--ink-3); }
.news-date { padding: 0 20px; font-size: 12px; color: var(--ink-3); }

/* ---------- 10. SVG 工业线稿（亮色蓝调） ---------- */
.art { display: block; }
.art .ln { fill: none; stroke: #B9D3FA; stroke-width: 1.6; }
.art .ln-hi { fill: none; stroke: var(--brand); stroke-width: 2; }
.art .grid { fill: none; stroke: #EDF3FC; stroke-width: 1; }
.art .fill { fill: var(--brand-wash); }
.art .dot { fill: var(--brand); }
.art .hot { fill: var(--accent); }
.art .txt { fill: var(--ink-2); font-size: 11px; font-family: var(--f-body); }
.art .txt-hi { fill: var(--brand); font-size: 11px; font-weight: 600; font-family: var(--f-body); }

/* ---------- 11. 图文分栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5vw, 76px); align-items: center; }
.split-visual {
  position: relative; display: flex; align-items: center; justify-content: center;
  min-height: 340px; padding: 28px; border-radius: 14px;
  background: linear-gradient(135deg, var(--brand-wash), var(--brand-bg));
  border: 1px solid var(--line-blue); overflow: hidden;
}
.split-visual .art { width: 100%; max-width: 440px; }
.split-stamp { position: absolute; right: 16px; bottom: 8px; font-family: var(--f-display); font-size: 72px; font-weight: 800; color: rgba(22,119,255,.07); line-height: 1; pointer-events: none; }
.split-body h2 { font-family: var(--f-display); font-size: clamp(24px, 2.3vw, 32px); font-weight: 700; color: var(--ink-title); line-height: 1.35; }
.split-body p { margin-top: 16px; font-size: 15px; line-height: 1.9; color: var(--ink-2); }
.param-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 28px; }
.param-list div { padding: 14px 16px; border: 1px solid var(--line); border-radius: 8px; background: #FFFFFF; }
.param-list dt { font-size: 12px; color: var(--ink-3); }
.param-list dd { margin-top: 2px; font-family: var(--f-display); font-size: 20px; font-weight: 700; color: var(--brand); }
.split-body .btn { margin-top: 30px; }

/* ---------- 12. 数据条 ---------- */
.metrics { padding: 46px 0; background: linear-gradient(100deg, #EAF3FF, #F7FBFF); border-top: 1px solid #E3EDFB; border-bottom: 1px solid #E3EDFB; }
.metrics-in { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.metrics-in > div { text-align: center; padding: 8px 12px; border-left: 1px solid #DCE8FA; }
.metrics-in > div:first-child { border-left: 0; }
.metrics-num { font-family: var(--f-display); font-size: clamp(30px, 3vw, 40px); font-weight: 700; line-height: 1.2; color: var(--brand); }
.metrics-lbl { margin-top: 4px; font-size: 14px; color: var(--ink-2); }

/* ---------- 13. 栏目页页头 / 面包屑 ---------- */
.page-hero {
  position: relative; overflow: hidden;
  padding: 58px 0 50px;
  background: linear-gradient(110deg, #EAF3FF, #F7FBFF 70%);
  border-bottom: 1px solid var(--line-2);
}
.page-hero .shell { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.page-hero .sub { font-size: 13px; font-weight: 600; letter-spacing: .06em; color: var(--brand); margin-bottom: 10px; }
.page-hero h1 { font-family: var(--f-display); font-size: clamp(28px, 3vw, 38px); font-weight: 700; color: var(--ink-title); }
.page-hero .ghost-num { font-family: var(--f-display); font-size: clamp(80px, 11vw, 170px); font-weight: 800; line-height: .8; color: rgba(22, 119, 255, .10); letter-spacing: -.05em; }
.crumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 18px 0; font-size: 13px; color: var(--ink-3); }
.crumb a { color: var(--ink-2); }
.crumb a:hover { color: var(--brand); }
.crumb .sep { color: #C3CCD9; }
.crumb .cur { color: var(--brand); }

/* ---------- 14. 分类标签 / 行式清单 / 分页 ---------- */
.cat-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.cat-tabs a {
  padding: 8px 20px; border: 1px solid var(--line); border-radius: 20px;
  background: #FFFFFF; color: var(--ink-2); font-size: 14px;
  transition: background .2s, color .2s, border-color .2s;
}
.cat-tabs a:hover { color: var(--brand); border-color: var(--brand-l); background: var(--brand-wash); }
.cat-tabs a.active { background: var(--brand); border-color: var(--brand); color: #FFFFFF; font-weight: 600; }
.rows { display: grid; gap: 12px; counter-reset: row; }
.row-item {
  display: grid; grid-template-columns: 46px minmax(0, 1fr) auto 24px;
  align-items: center; gap: 20px;
  padding: 18px 24px; background: #FFFFFF;
  border: 1px solid var(--line); border-radius: 8px;
  counter-increment: row;
  transition: background .2s, border-color .2s, transform .22s var(--ease), box-shadow .22s;
}
.row-item:hover { background: var(--brand-wash); border-color: var(--line-blue); transform: translateX(3px); box-shadow: var(--shadow-sm); }
.row-idx::before { content: counter(row, decimal-leading-zero); font-family: var(--f-display); font-size: 13px; font-weight: 700; color: #B9D3FA; }
.row-item:hover .row-idx::before { color: var(--brand); }
.row-main h3 { font-size: 17px; font-weight: 600; color: var(--ink); }
.row-main h3 a:hover { color: var(--brand); }
.row-main p { margin-top: 4px; font-size: 13px; line-height: 1.6; color: var(--ink-3); }
.row-meta { font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.row-arw { color: var(--brand); font-size: 18px; transition: transform .22s var(--ease); }
.row-item:hover .row-arw { transform: translateX(4px); }
.pager { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 36px; }
.pager a {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 38px; height: 38px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: 6px; background: #FFFFFF;
  color: var(--ink-2); font-size: 14px;
  transition: background .2s, color .2s, border-color .2s;
}
.pager a:hover, .pager a.current, .pager a.active { background: var(--brand); border-color: var(--brand); color: #FFFFFF; }

/* ---------- 15. 详情页 ---------- */
.detail-grid { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 40px; align-items: start; }
.article-head { padding-bottom: 24px; margin-bottom: 30px; border-bottom: 1px solid var(--line); }
.article-head h1 { font-family: var(--f-display); font-size: clamp(26px, 2.6vw, 34px); font-weight: 700; line-height: 1.4; color: var(--ink-title); }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 16px; font-size: 13px; color: var(--ink-3); }
.article-meta b { color: var(--brand); font-weight: 600; }
.article-hero-img, .article-ico { width: 100%; border-radius: 10px; border: 1px solid var(--line); }
.prose { max-width: 100%; font-size: 16px; line-height: 1.95; color: var(--ink-2); }
.prose p { margin: 0 0 18px; }
.prose h2 {
  margin: 40px 0 16px; padding-left: 14px; border-left: 4px solid var(--brand);
  font-family: var(--f-display); font-size: 23px; font-weight: 700; line-height: 1.4; color: var(--ink-title);
}
.prose h3 { margin: 28px 0 12px; font-size: 18px; font-weight: 700; color: var(--ink-title); }
.prose ul, .prose ol { margin: 0 0 20px; padding-left: 24px; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin: 8px 0; padding-left: 4px; }
.prose li::marker { color: var(--brand); }
.prose table { width: 100%; margin: 24px 0; border-collapse: collapse; font-size: 14px; }
.prose th, .prose td { padding: 12px 14px; border: 1px solid var(--line); text-align: left; }
.prose th { background: var(--brand-wash); color: var(--ink-title); font-weight: 600; }
.prose blockquote {
  margin: 24px 0; padding: 16px 22px;
  background: var(--brand-wash); border-left: 4px solid var(--brand); border-radius: 0 8px 8px 0;
  color: var(--ink-2);
}
.prose img { max-width: 100%; height: auto; border-radius: 8px; }
.prose a { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
.prenext { display: flex; justify-content: space-between; gap: 20px; margin-top: 36px; padding: 20px 0; border-top: 1px solid var(--line); }
.prenext a { font-size: 14px; color: var(--ink-2); }
.prenext a:hover { color: var(--brand); }
.prenext a:last-child { text-align: right; }
.share { display: flex; gap: 10px; margin-top: 14px; }
.share a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; background: #FFFFFF;
  transition: border-color .2s, background .2s;
}
.share a:hover { border-color: var(--brand); background: var(--brand-wash); }
.share svg { width: 18px; height: 18px; fill: none; stroke: var(--ink-3); stroke-width: 1.6; }
.side { position: sticky; top: 100px; display: grid; gap: 18px; }
.side-box { padding: 22px; }
.side-box h3 { margin-bottom: 12px; font-size: 16px; font-weight: 700; color: var(--ink-title); }
.side-box li { border-bottom: 1px solid var(--line-2); }
.side-box li:last-child { border-bottom: 0; }
.side-box li a { display: block; padding: 10px 0 10px 12px; font-size: 14px; color: var(--ink-2); border-left: 2px solid transparent; transition: color .2s, border-color .2s; }
.side-box li a:hover, .side-box li a.active { color: var(--brand); border-left-color: var(--brand); background: var(--brand-wash); }
.side-cta { padding: 22px; background: var(--brand-wash); border-color: var(--line-blue); }
.side-cta h4 { font-size: 16px; font-weight: 700; color: var(--ink-title); }
.side-cta p { margin: 8px 0 16px; font-size: 13px; line-height: 1.7; color: var(--ink-2); }
.side-cta a { color: var(--brand); font-size: 14px; font-weight: 600; }
.side-banner { padding: 24px; border-radius: 10px; background: linear-gradient(135deg, var(--brand), var(--brand-l)); color: #FFFFFF; }
.side-banner h4 { font-size: 17px; font-weight: 700; }
.side-banner p { margin-top: 8px; font-size: 13px; opacity: .9; }

/* ---------- 16. CTA 条（唯一的蓝色块，明亮不压抑） ---------- */
.cta-strip { padding: 56px 0; background: linear-gradient(110deg, #1677FF, #0B5FD9); color: #FFFFFF; }
.cta-strip .shell { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta-strip h2 { font-family: var(--f-display); font-size: clamp(24px, 2.4vw, 32px); font-weight: 700; color: #FFFFFF; }
.cta-strip p { margin-top: 8px; font-size: 15px; color: rgba(255, 255, 255, .86); }
.cta-strip .btn-primary { background: #FFFFFF; color: var(--brand); box-shadow: 0 6px 18px rgba(0, 0, 0, .12); }
.cta-strip .btn-primary:hover { background: var(--brand-wash); color: var(--brand-d); }

/* ---------- 17. 页脚（深蓝 → 浅灰白） ---------- */
.footer { position: relative; overflow: hidden; padding: 64px 0 0; background: var(--soft); border-top: 1px solid var(--line); }
.footer-watermark {
  position: absolute; right: 0; bottom: 12px; max-width: none;
  font-family: var(--f-display); font-size: clamp(80px, 11vw, 150px); font-weight: 800;
  line-height: 1; letter-spacing: -.04em; color: rgba(22, 119, 255, .055);
  white-space: nowrap; pointer-events: none; user-select: none;
}
.footer-in { position: relative; z-index: 2; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-in > div:first-child { padding-right: 20px; }
.footer h4 { margin-bottom: 16px; font-size: 15px; font-weight: 700; color: var(--ink-title); }
.footer p { font-size: 13px; line-height: 1.9; color: var(--ink-2); }
.footer li { margin: 9px 0; }
.footer li a { font-size: 13px; color: var(--ink-2); transition: color .2s; }
.footer li a:hover { color: var(--brand); }
.footer-qr img { width: 96px; height: 96px; padding: 6px; background: #FFFFFF; border: 1px solid var(--line); border-radius: 8px; object-fit: contain; }
.footer-bottom { position: relative; z-index: 2; padding: 18px 0; background: #FFFFFF; border-top: 1px solid var(--line); }
.footer-bottom .shell { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; font-size: 12px; color: var(--ink-3); }
.footer-bottom a:hover { color: var(--brand); }

/* ---------- 18. 表单 / 联系 ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field--full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: 8px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1px solid #DDE4EE; border-radius: 6px;
  background: #FFFFFF; color: var(--ink); font-size: 15px;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #AEB7C6; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(22, 119, 255, .12);
}
.contact-list li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.contact-list dt { font-size: 12px; color: var(--ink-3); }
.contact-list dd { margin-top: 2px; font-size: 15px; color: var(--ink); font-weight: 500; }

/* ---------- 19. 杂项 / 动效 ---------- */
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 999; padding: 10px 18px; background: var(--brand); color: #FFFFFF; border-radius: 0 0 6px 0; }
.skip-link:focus { left: 0; }
.browserupgrade { margin: 0; padding: 12px 20px; background: var(--accent-bg); color: #8A4B00; font-size: 14px; }
.browserupgrade a { color: var(--accent); text-decoration: underline; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.preview-switch {
  position: fixed; right: 20px; bottom: 20px; z-index: 200;
  display: flex; align-items: center; gap: 4px; padding: 5px;
  background: rgba(255, 255, 255, .96); border: 1px solid var(--line);
  border-radius: 30px; box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}
.preview-switch .lbl { padding: 0 10px; font-size: 11px; color: var(--ink-3); letter-spacing: .04em; }
.preview-switch a { padding: 6px 12px; border-radius: 20px; font-size: 12px; color: var(--ink-2); transition: background .2s, color .2s; }
.preview-switch a:hover { background: var(--brand-wash); color: var(--brand); }
.preview-switch a.active { background: var(--brand); color: #FFFFFF; font-weight: 600; }

/* ---------- 20. 响应式 ---------- */
@media (max-width: 1200px) {
  .mainnav a { padding: 0 10px; font-size: 14px; }
  .nav-cta { padding: 0 14px; }
  .hero-grid { gap: 36px; }
  .footer-in { gap: 28px; }
}
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 720px; }
  .console { max-width: 620px; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split-visual { min-height: 260px; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-grid { grid-template-columns: 1fr; }
  .side { position: static; grid-template-columns: repeat(2, 1fr); }
  .footer-in { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .topbar-right { display: none; }
  .masthead .shell { height: 64px; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-cta { display: none; }
  .mainnav {
    position: absolute; top: 64px; left: 0; right: 0;
    max-height: 0; overflow: auto; background: #FFFFFF;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    transition: max-height .3s var(--ease);
  }
  body.nav-open .mainnav { max-height: 70vh; }
  .mainnav { display: block; }
  .mainnav > ul { display: block; width: 100%; padding: 10px var(--gut) 18px; }
  .mainnav a { height: auto; padding: 11px 0; font-size: 15px; }
  .mainnav a::after { display: none; }
  .mainnav .submenu {
    position: static; opacity: 1; visibility: visible; transform: none;
    min-width: 0; padding: 0 0 0 14px; border: 0; box-shadow: none; border-radius: 0;
  }
  .hero { padding: 56px 0 60px; }
  .hero-title { font-size: clamp(34px, 6vw, 46px); }
  .grid-3, div.grid, .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metrics-in { grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
  .metrics-in > div:nth-child(3) { border-left: 0; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .sec-meta { text-align: left; }
  .cta-strip .shell { flex-direction: column; align-items: flex-start; gap: 22px; }
  .page-hero .ghost-num { display: none; }
  .row-item { grid-template-columns: 34px minmax(0, 1fr) 20px; gap: 12px; padding: 16px; }
  .row-meta { display: none; }
}
@media (max-width: 560px) {
  .grid-3, .grid-4, div.grid, .news-grid { grid-template-columns: 1fr; }
  .hero-spec { grid-template-columns: repeat(2, 1fr); row-gap: 18px; }
  .hero-spec div:nth-child(3) { padding-left: 0; border-left: 0; }
  .console-metrics { grid-template-columns: repeat(2, 1fr); }
  .console-metrics div:nth-child(3) { border-left: 0; }
  .console-metrics div:nth-last-child(-n+2) { border-top: 1px solid #E8F0FC; }
  .param-list { grid-template-columns: 1fr; }
  .metrics-in { grid-template-columns: repeat(2, 1fr); }
  .side { grid-template-columns: 1fr; }
  .footer-in { grid-template-columns: 1fr; gap: 26px; }
  .form-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1 1 auto; }
  .preview-switch .lbl { display: none; }
  .article-head h1 { font-size: 25px; }
  .prenext { flex-direction: column; gap: 8px; }
  .prenext a:last-child { text-align: left; }
}

/* ---------- 21. 无障碍 / 降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ==========================================================================
   22. V2.1 显示优化层
   保持 V2 色系不变，集中修正布局 / 图片 / 排版 / 响应式异常。
   置于全部基础规则与媒体查询之后，以更精确的选择器覆盖，HTML 结构零改动。
   ========================================================================== */

/* --- 22.1 导航「在线咨询」：修复被 .mainnav a 覆盖导致的 72px 大蓝块 --- */
.masthead .mainnav > a.nav-cta {
  display: inline-flex; align-self: center; flex: 0 0 auto;
  height: 38px; margin-left: 14px; padding: 0 20px;
  font-size: 14px; font-weight: 600; line-height: 1; white-space: nowrap;
  color: #FFFFFF; background: var(--brand); border-radius: 6px;
  box-shadow: 0 4px 12px rgba(22, 119, 255, .22);
  transition: background .2s, transform .2s var(--ease), box-shadow .2s;
}
.masthead .mainnav > a.nav-cta::after { display: none; }
.masthead .mainnav > a.nav-cta:hover {
  background: var(--brand-d); color: #FFFFFF;
  transform: translateY(-2px); box-shadow: 0 8px 20px rgba(22, 119, 255, .30);
}

/* --- 22.2 汉堡按钮：补齐三条横线，固定尺寸不被压缩 --- */
.nav-toggle { flex: 0 0 40px; width: 40px; height: 40px; padding: 0; }
.nav-toggle span {
  display: block; width: 18px; height: 2px; margin: 3px auto;
  background: var(--brand); border-radius: 2px;
  transition: transform .25s var(--ease), opacity .2s;
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* --- 22.3 顶栏 / 品牌区收缩，消除手机端 60px 横向溢出 --- */
.masthead .shell { flex-wrap: nowrap; min-width: 0; }
.brand { min-width: 0; flex: 0 1 auto; overflow: hidden; }
.brand img { flex: 0 0 auto; }
.brand-txt { min-width: 0; overflow: hidden; }
.brand-txt b, .brand-txt span {
  display: block; max-width: 100%;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.brand-txt span { font-size: 11px; }
.topbar .shell > span:first-child {
  min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.skip-link { left: 8px; top: -60px; }
.skip-link:focus { top: 8px; }

/* --- 22.4 内容恒定可见：去除 reveal 的 opacity:0，杜绝整段空白 --- */
.reveal { opacity: 1; transform: none; }
.reveal.in { opacity: 1; transform: none; }

/* --- 22.5 区段头：编号独立一行，标题左对齐，说明靠右 --- */
.sec-head {
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  align-items: end; column-gap: 24px; row-gap: 10px;
}
.sec-head .sec-num { grid-column: 1 / -1; grid-row: 1; justify-self: start; margin-bottom: 0; }
.sec-head .sec-title { grid-column: 1; grid-row: 2; }
.sec-head .sec-meta { grid-column: 2; grid-row: 2; }
.sec-meta b { font-weight: 600; color: var(--ink-2); }

/* --- 22.6 数据指标：单位与英文注释不再与数字挤成 40px 大字 --- */
.metrics-num { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: center; line-height: 1.15; }
.metrics-num > span { line-height: 1.1; }
.metrics-num b {
  margin-left: 4px; font-size: .44em; font-weight: 600;
  color: var(--ink-title); letter-spacing: 0;
}
.metrics-num i {
  flex: 0 0 100%; margin-top: 5px;
  font-size: 11px; font-style: normal; font-weight: 600;
  letter-spacing: .14em; color: var(--ink-3);
}
.metrics-lbl span {
  display: block; margin-top: 4px;
  font-size: 11px; letter-spacing: .08em; color: var(--ink-3);
}

/* --- 22.7 案例卡片：图片统一裁切、标题压在渐变遮罩上 --- */
.shot { display: block; height: auto; aspect-ratio: 4 / 3; }
.shot > img { display: block; width: 100%; height: 100%; object-fit: cover; }
.shot-tag {
  position: absolute; left: 0; right: 0; bottom: 0; display: block;
  padding: 34px 16px 14px; border-radius: 0;
  background: linear-gradient(to bottom, rgba(10, 30, 60, 0), rgba(10, 30, 60, .74));
  color: #FFFFFF; font-size: 13px; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* --- 22.8 新闻卡片：<a> 缩略图固定高度、卡片等高、底部按钮对齐 --- */
.news-thumb { display: block; height: 158px; overflow: hidden; }
.news-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.news-card { display: flex; flex-direction: column; }
.news-date { display: block; padding: 14px 20px 0; }
.news-card h3 { padding-top: 8px; }
.news-card p { flex: 1 1 auto; }
.news-card .more { margin: 0 20px 20px; }

/* --- 22.9 图片约束：图文分栏 / 详情主图 / 侧栏 banner / 空 src --- */
.split-visual img {
  width: 100%; height: auto; max-height: 300px;
  object-fit: cover; border-radius: 8px;
}
.article-hero-img, .article-ico {
  display: block; width: 100%; height: auto; max-height: 480px;
  object-fit: contain; background: var(--soft);
}
img[src=""] { display: none !important; }
.side-banner {
  padding: 0; background: #FFFFFF;
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow-xs); overflow: hidden;
}
.side-banner a { display: block; }
.side-banner img { display: block; width: 100%; height: auto; }

/* --- 22.10 后台富文本：覆盖内联宽高、表格可横向滚动 --- */
.prose img, .prose video, .prose iframe { max-width: 100% !important; height: auto !important; }
.prose table { display: block; width: 100%; overflow-x: auto; }
.prose table thead, .prose table tbody { display: table; width: 100%; }
.prose th, .prose td { word-break: break-word; }

/* --- 22.11 分页当前页高亮 / 上下篇两块对齐 --- */
.pager > * {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 38px; height: 38px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: 6px;
  background: #FFFFFF; color: var(--ink-2); font-size: 14px;
}
.pager > a:hover, .pager > .page-num-current, .pager > .current, .pager > .active {
  background: var(--brand); border-color: var(--brand); color: #FFFFFF; font-weight: 600;
}
.prenext a { display: flex; flex-direction: column; gap: 4px; max-width: 48%; min-width: 0; }
.prenext small { font-size: 12px; color: var(--ink-3); }
.prenext span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --- 22.12 文字截断，避免长标题撑破卡片 --- */
.tile-title { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tile-sub { display: block; padding-right: 26px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row-main h3, .row-main p { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --- 22.13 杂项 --- */
.cta-strip { background-color: #1677FF; }
.page-hero .ghost-num { display: block; line-height: 1; }
.hero-dots:empty, .cat-tabs:empty, .side-banner:empty { display: none; }
.hero-slides { opacity: .10; }

/* --- 22.14 响应式补强 --- */
@media (max-width: 820px) {
  .masthead .mainnav > a.nav-cta { display: none; }
  .masthead .shell { gap: 12px; }
  .brand img { height: 30px; max-width: 104px; }
  .brand-txt b { font-size: 14px; }
  .brand-txt span { display: none; }
  .nav-toggle { display: inline-flex; flex: 0 0 40px; width: 40px; height: 40px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { flex: 0 0 auto; width: 100%; max-width: 280px; }
  .sec-head { grid-template-columns: 1fr; }
  .sec-head .sec-num, .sec-head .sec-title, .sec-head .sec-meta { grid-column: 1; grid-row: auto; }
}
@media (max-width: 560px) {
  .console-metrics dd { font-size: 18px; }
  .metrics-num { font-size: clamp(26px, 7vw, 32px); }
  .row-item { grid-template-columns: 30px minmax(0, 1fr) 18px; gap: 10px; padding: 14px; }
  .shot { aspect-ratio: 16 / 10; }
  .page-hero { padding: 40px 0 36px; }
  .prenext a { max-width: 100%; }
}

/* --- 22.15 二次精修：品牌名截断、富文本窄屏溢出、白字兜底 --- */
@media (max-width: 1200px) {
  /* 中屏与手机只保留图形 logo，避免公司全称被压成省略号 */
  .brand-txt { display: none; }
}
.detail-grid > * { min-width: 0; }
.prose {
  min-width: 0; max-width: 100%; overflow-x: auto;
  overflow-wrap: break-word; word-break: break-word;
}
.prose table { max-width: 100%; }
.prose p, .prose div, .prose h1, .prose h2, .prose h3, .prose h4 { max-width: 100%; }
.shot-tag { background-color: rgba(10, 30, 60, .30); }
.side-banner { color: var(--ink-2); }
html { overflow-x: clip; }

/* --- 22.16 三次微调：汉堡竖排、Hero 纹理收敛、重复标题弱化 --- */
.nav-toggle { flex-direction: column; align-items: center; justify-content: center; }
.nav-toggle span { margin: 2px 0; }
.hero-slides { opacity: .05; }
.hero-dots { display: none; }
.shot-tag {
  background-color: rgba(10, 30, 60, .42);
  background-image: linear-gradient(to bottom, rgba(10, 30, 60, 0), rgba(10, 30, 60, .80));
}
/* 列表页已有 page-hero 大标题，此处的栏目名降级为小标题，避免重复抢眼 */
#list-title { font-size: clamp(22px, 2vw, 26px); font-weight: 600; }
#list-title small { margin-top: 6px; font-size: 13px; }

/* --- 22.17 公司简介栏目页：左侧大图铺满视觉区 --- */
.split-visual--photo { padding: 0; }
.split-visual--photo img {
  position: absolute; inset: 0;
  display: block; width: 100%; height: 100%; max-height: none;
  object-fit: cover; object-position: 62% 50%;
  border-radius: 0; filter: brightness(1.18) saturate(1.06);
}
.split-visual--photo .split-stamp {
  right: 14px; bottom: 14px;
  font-size: 12px; font-weight: 700; letter-spacing: .12em; line-height: 1;
  color: #FFFFFF; text-shadow: none;
  background: rgba(15, 23, 42, .42);
  padding: 7px 11px; border-radius: 999px;
}
@media (max-width: 560px) {
  .split-visual--photo .split-stamp { display: none; }
}

/* --- 22.18 栏目页 banner：移除右侧大号栏目标号 --- */
.page-hero .ghost-num { display: none !important; }

/* --- 22.19 产品中心栏目页：产品卡片网格（区别于新闻行式列表） --- */
.product-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px;
}
.product-card {
  display: flex; flex-direction: column; min-width: 0;
  background: #FFFFFF; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow-xs); overflow: hidden;
  transition: transform .25s var(--ease), border-color .25s, box-shadow .25s;
}
.product-card:hover {
  transform: translateY(-5px); border-color: var(--brand); box-shadow: var(--shadow);
}
.product-media {
  position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden;
  background: linear-gradient(135deg, #E6F1FF 0%, #F7FBFF 100%);
}
.product-media img {
  width: 100%; height: 100%; object-fit: cover; object-position: center;
  transition: transform .45s var(--ease);
}
.product-card:hover .product-media img { transform: scale(1.06); }
.product-media::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 42%;
  background: linear-gradient(to top, rgba(9, 30, 66, .12), transparent);
  pointer-events: none;
}
.product-badge {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  max-width: calc(100% - 28px);
  font-size: 12px; font-weight: 600; color: var(--brand);
  background: rgba(255, 255, 255, .94); padding: 5px 12px; border-radius: 999px;
  box-shadow: 0 2px 10px rgba(26, 34, 51, .12);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.product-body {
  display: flex; flex-direction: column; flex: 1; min-width: 0; padding: 22px 22px 18px;
}
.product-name {
  font-family: var(--f-display); font-size: 18px; font-weight: 700; line-height: 1.45;
  color: var(--ink-title);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.product-name a { transition: color .2s; }
.product-name a:hover { color: var(--brand); }
.product-desc {
  margin-top: 10px; min-height: 44px;
  font-size: 13px; line-height: 1.7; color: var(--ink-3);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.product-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line-2);
}
.product-date { font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.product-more {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--brand); white-space: nowrap;
}
.product-more span { display: inline-block; transition: transform .22s var(--ease); }
.product-card:hover .product-more span { transform: translate(3px, -3px); }
/* 离线设计稿：无外链图片时的纯 CSS 工业底纹 */
.product-media--art {
  background-image:
    radial-gradient(circle at 74% 30%, rgba(22, 119, 255, .20), transparent 52%),
    repeating-linear-gradient(115deg, transparent 0 24px, rgba(22, 119, 255, .10) 24px 25px),
    linear-gradient(135deg, #EAF3FF 0%, #FFFFFF 100%);
}
@media (max-width: 1000px) {
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .product-grid { grid-template-columns: 1fr; gap: 18px; }
}

/* --- 22.20 留言表单：验证码输入与图片 --- */
.code-row { display: flex; align-items: stretch; gap: 12px; }
.code-row input { flex: 1 1 auto; min-width: 0; width: auto; }
.code-img {
  flex: 0 0 auto; width: 120px; height: 46px;
  border: 1px solid #DDE4EE; border-radius: 6px;
  background: #F5F8FD; cursor: pointer; object-fit: cover;
}
.code-img:hover { border-color: var(--brand); }
@media (max-width: 560px) {
  .code-img { width: 108px; }
}