/* ============================================================================
   智联网络实验室 · 站点样式
   本文件是追加覆盖层，在 theme.css / responsive.css / custom.css 之后加载，
   不修改原有样式文件。配色与字号变量见下方 :root。
   ---------------------------------------------------------------------------
   目录
     01. 设计令牌
     02. 基础重置与排版
     03. 顶部导航
     04. 首页主视觉 (Hero)
     05. 数据条 / 通用区块 / 卡片
     06. 内页 Banner 与面包屑
     07. 项目研究页
     08. 研究团队页
     09. 弹窗
     10. CTA / 页脚 / 返回顶部
     11. 响应式
   ============================================================================ */

/* ========================= 01. 设计令牌 ========================= */
:root {
  /* 主色：近黑 */
  --ink: #101218;
  --ink-2: #17191f;
  --ink-3: #1f222a;
  --ink-soft: #2a2e38;

  /* 中性 */
  --paper: #f9f9fb;
  --white: #ffffff;
  --mut: #6b7078;
  --mut-2: #9aa1ab;
  --line: #e4e5e8;
  --line-2: #eff0f2;

  /* 点缀：暖金 */
  --warm: #b99a63;
  --warm-2: #d8c098;
  --warm-soft: #f6f1e8;

  /* 深色面上的文字 */
  --on-dark: #eef0f4;
  --on-dark-2: rgba(196, 203, 214, 0.82);
  --on-dark-3: rgba(160, 168, 180, 0.68);
  --on-dark-line: rgba(255, 255, 255, 0.13);

  /* 语义色（克制版） */
  --ok: #2f7d5c;
  --danger: #b4463f;

  /* 形状：直角语言 */
  --r: 2px;
  --r-pill: 999px;

  /* 版心 */
  --max: 1360px;
  --max-narrow: 1080px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font: 'Segoe UI', 'Microsoft YaHei UI', 'PingFang SC', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Consolas, 'Courier New', monospace;
}

/* ========================= 02. 基础重置与排版 ========================= */
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--ink); text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--warm); text-decoration: none; }
img { max-width: 100%; }
::selection { background: var(--warm-2); color: var(--ink); }

h1, h2, h3, h4, h5 { color: var(--ink); font-weight: 700; letter-spacing: -0.3px; line-height: 1.3; }

/* 宽版容器 */
@media (min-width: 1200px) {
  .container { max-width: var(--max); }
}

/* 预加载动画（保留原有动效，配色贴合墨黑主题） */
.preloader { background: var(--ink) !important; }
.preloader .loaderO span { color: var(--warm-2) !important; letter-spacing: 2px; font-weight: 700; }
.preloader .labfloxLoader::after {
  background: none !important;
  width: 132px; height: 132px;
  left: 50%; top: 50%; margin: 0;
  border: 1px solid rgba(185, 154, 99, 0.28);
  border-top-color: var(--warm-2);
  border-radius: 50%;
  opacity: 1;
  animation: inl-spin 1.5s linear infinite;
}
@keyframes inl-spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

/* ========================= 03. 顶部导航 ========================= */
.header01 {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1040;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.header01 .navArea {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 84px;
}
.header01 .logo {
  position: relative;
  overflow: visible;
  width: auto;
  padding: 0;
  border-right: 1px solid var(--line);
  padding-right: 28px;
  margin-right: 28px;
}
.header01 .logo img { height: 40px; width: auto; max-width: none; }
.header01 .mainMenu {
  position: static;
  display: flex;
  align-items: center;
  padding: 0;
  margin: 0;
}
.header01 .mainMenu ul { display: flex; align-items: center; margin: 0; padding: 0; line-height: 1; }
.header01 .mainMenu > ul > li { padding: 0; margin: 0 34px 0 0; }
.header01 .mainMenu ul li a {
  display: block;
  position: relative;
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.3px;
  color: #4a4f58;
  padding: 10px 0;
}
.header01 .mainMenu ul li a:hover { color: var(--ink); }
.header01 .mainMenu ul li a.active,
.header01 .mainMenu ul li.current-menu-item > a { color: var(--ink); font-weight: 700; }
.header01 .mainMenu > ul > li > a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--warm);
}
/* 顶部内联按钮 */
.nav-cta {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  height: 42px;
  padding: 0 24px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.6px;
  color: var(--white);
  background: var(--ink);
  border-radius: var(--r);
  transition: background 0.22s var(--ease);
}
.nav-cta:hover { background: var(--ink-soft); color: var(--white); }

/* 中英文切换 */
.lang-switch {
  display: inline-flex;
  align-items: center;
  margin-left: 12px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.lang-switch button {
  height: 40px;
  padding: 0 14px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  color: var(--mut);
  background: transparent;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.lang-switch button + button { border-left: 1px solid var(--line); }
.lang-switch button:hover { color: var(--ink); background: var(--paper); }
.lang-switch button.active { color: var(--white); background: var(--ink); }

/* 首页深色导航上的切换按钮 */
.header01.is-over .lang-switch { border-color: rgba(255, 255, 255, 0.3); }
.header01.is-over .lang-switch button { color: var(--on-dark-2); }
.header01.is-over .lang-switch button + button { border-left-color: rgba(255, 255, 255, 0.22); }
.header01.is-over .lang-switch button:hover { color: var(--white); background: rgba(255, 255, 255, 0.1); }
.header01.is-over .lang-switch button.active { color: var(--ink); background: var(--white); }

/* 首页：覆盖在深色主视觉之上 */
.header01.is-over {
  position: absolute;
  top: 0;
  background: transparent;
  backdrop-filter: none;
  border-bottom: 1px solid var(--on-dark-line);
}
.header01.is-over .logo { border-right-color: var(--on-dark-line); }
.header01.is-over .mainMenu ul li a { color: var(--on-dark-2); }
.header01.is-over .mainMenu ul li a:hover { color: var(--white); }
.header01.is-over .mainMenu ul li a.active { color: var(--white); }
.header01.is-over .nav-cta { color: var(--ink); background: var(--white); }
.header01.is-over .nav-cta:hover { background: #e9eaec; }

/* 移动端汉堡（修正白底不可见的问题） */
.header01 .mobileMenu .menu-trigger span { background-color: var(--ink) !important; }
.header01.is-over .mobileMenu .menu-trigger span { background-color: var(--white) !important; }
.header01 .mainMenu.menu-is-open {
  background-color: rgba(16, 18, 24, 0.97) !important;
  border-radius: var(--r) !important;
}
.header01 .mainMenu.menu-is-open ul li a { color: var(--on-dark) !important; }
.header01 .mainMenu.menu-is-open ul li a:hover { color: var(--warm-2) !important; }

/* ========================= 04. 首页主视觉 ========================= */
.hero {
  position: relative;
  min-height: 700px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--ink);
}
/* 深空底：多层径向渐变 + 细网格，替代原来的图片背景 */
.hero-bg {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
  background:
    radial-gradient(1100px 560px at 78% 4%, rgba(42, 96, 156, 0.32), transparent 62%),
    radial-gradient(900px 540px at 4% 98%, rgba(150, 116, 62, 0.16), transparent 66%),
    radial-gradient(700px 420px at 46% 52%, rgba(24, 48, 84, 0.38), transparent 70%),
    linear-gradient(162deg, #07090d 0%, #0a1220 46%, #090e16 100%);
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(150, 180, 220, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(150, 180, 220, 0.055) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(1000px 560px at 60% 40%, #000 0%, transparent 80%);
  mask-image: radial-gradient(1000px 560px at 60% 40%, #000 0%, transparent 80%);
}
#heroCanvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; }

/* 跟随鼠标的光斑 */
.hero-glow {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  opacity: 0;
  transition: opacity 0.55s var(--ease);
  background: radial-gradient(560px circle at var(--mx, 62%) var(--my, 42%),
      rgba(222, 199, 158, 0.26), rgba(120, 162, 208, 0.13) 42%, transparent 70%);
}
.hero.is-pointing .hero-glow { opacity: 1; }

/* 可读性遮罩：左侧压暗保证文字清晰，右侧留亮让背景动效可见 */
.hero-veil {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background:
    linear-gradient(100deg, rgba(7, 9, 13, 0.94) 0%, rgba(9, 13, 20, 0.80) 32%, rgba(10, 14, 22, 0.34) 64%, rgba(9, 12, 18, 0.12) 100%),
    linear-gradient(0deg, rgba(7, 9, 13, 0.88) 0%, rgba(7, 9, 13, 0) 24%);
}
.hero-inner {
  position: relative;
  z-index: 4;
  flex: 1;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 148px 15px 64px;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 64px;
  align-items: center;
}
.kicker {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 3.8px;
  text-transform: uppercase;
  color: var(--warm);
}
.hero h1 {
  margin: 22px 0 0;
  font-size: 62px;
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -1.8px;
  color: var(--white);
}
.hero-en {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 4.2px;
  color: var(--on-dark-3);
}
.hero-sub {
  margin: 22px 0 0;
  max-width: 640px;
  font-size: 17.5px;
  line-height: 1.95;
  color: var(--on-dark-2);
}
.hero-actions { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }

/* 按钮：直角 + 无发光 */
.btn-brand, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0 30px;
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.8px;
  border-radius: var(--r);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease), color 0.22s var(--ease);
}
.btn-brand { color: var(--ink); background: var(--white); }
.btn-brand:hover { background: #e9eaec; color: var(--ink); }
.btn-ghost { color: var(--on-dark); background: transparent; border-color: rgba(255, 255, 255, 0.3); }
.btn-ghost:hover { color: var(--white); border-color: var(--white); background: rgba(255, 255, 255, 0.07); }
/* 浅色背景上的次级按钮 */
.btn-ghost.on-light { color: var(--ink); border-color: #c9ccd2; }
.btn-ghost.on-light:hover { color: var(--ink); border-color: var(--ink); background: var(--paper); }

/* ---------- 主视觉右侧视频卡：内联播放 + 放大 ---------- */
.hero-media {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--r);
  overflow: hidden;
  background: #0b0c0e;
}
.media-frame { position: relative; width: 100%; height: 100%; }

/* 封面 */
.hero-media .poster {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.75) brightness(0.9);
  cursor: pointer;
  transition: transform 0.5s var(--ease), filter 0.4s var(--ease);
}
.hero-media:hover .poster { transform: scale(1.03); filter: saturate(0.9) brightness(1); }

/* 播放器 */
.hero-media .player {
  display: none;
  width: 100%; height: 100%;
  object-fit: contain;
  background: #000;
  outline: none;
}
.hero-media.is-playing .player { display: block; }
.hero-media.is-playing .poster,
.hero-media.is-playing .play-btn,
.hero-media.is-playing .cap { display: none; }

/* 居中播放按钮 */
.hero-media .play-btn {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
  padding: 0;
  font-size: 17px; color: var(--white);
  background: rgba(11, 12, 14, 0.34);
  border: none; border-radius: 0; cursor: pointer;
  transition: background 0.3s var(--ease);
}
.hero-media .play-btn:hover { background: rgba(11, 12, 14, 0.16); }
.hero-media .play-btn i {
  width: 68px; height: 68px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.75);
  padding-left: 4px;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.hero-media .play-btn:hover i { background: rgba(255, 255, 255, 0.14); border-color: #fff; }

/* 底部说明条 */
.hero-media .cap {
  position: absolute; left: 0; bottom: 0;
  padding: 10px 18px; font-size: 12px; letter-spacing: 1.4px;
  color: var(--on-dark); background: rgba(11, 12, 14, 0.88);
  pointer-events: none;
}


/* ========================= 05. 数据条 / 区块 / 卡片 ========================= */
.statbar {
  position: relative;
  z-index: 4;
  border-top: 1px solid var(--on-dark-line);
}
.statbar .inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 15px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.statbar .item { padding: 26px 0; border-right: 1px solid var(--on-dark-line); }
.statbar .item:last-child { border-right: none; }
.statbar .item:not(:first-child) { padding-left: 44px; }
.statbar b {
  display: block;
  font-size: 41px;
  font-weight: 600;
  letter-spacing: -1px;
  color: var(--white);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.statbar b em { font-style: normal; font-size: 21px; color: var(--warm); margin-left: 3px; }
.statbar span { font-size: 14.5px; letter-spacing: 1.2px; color: var(--on-dark-2); }

.sec { padding: 92px 0; }
.sec.alt { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 64px;
  align-items: end;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--ink);
  margin-bottom: 46px;
}
.sec-head h2 { margin: 0; font-size: 34px; font-weight: 700; letter-spacing: -0.9px; }
.sec-head p { margin: 0; font-size: 15.5px; line-height: 1.9; color: var(--mut); }

/* 三栏细线卡片 */
.card-row { display: grid; grid-template-columns: repeat(3, 1fr); }
.card-row .card-cell {
  padding: 34px 34px 36px 0;
  border-right: 1px solid var(--line);
  transition: padding 0.25s var(--ease);
}
.card-row .card-cell:last-child { border-right: none; padding-right: 0; }
.card-row .card-cell:hover { padding-left: 18px; }
.card-cell .cnum { font-family: var(--mono); font-size: 12.5px; font-weight: 700; letter-spacing: 1.6px; color: var(--warm); }
.card-cell h3 { margin: 18px 0 12px; font-size: 20px; font-weight: 700; }
.card-cell h3 a { color: var(--ink); }
.card-cell h3 a:hover { color: var(--warm); }
.card-cell p { margin: 0; font-size: 15px; line-height: 1.9; color: var(--mut); }
.more-link {
  display: inline-block;
  margin-top: 22px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: var(--ink);
  padding-bottom: 3px;
  border-bottom: 1px solid var(--warm);
}
.more-link:hover { color: var(--warm); }

/* ========================= 06. 内页 Banner ========================= */
.pageBanner {
  position: relative;
  background: var(--ink) !important;   /* 覆盖内联 background 图片 */
  overflow: hidden;
  display: flex;                        /* 内容在 Banner 里垂直居中 */
  align-items: center;
  min-height: 236px;                    /* 整体高度（原来是 320px，偏高） */
}
.pageBanner::before {
  position: absolute; content: '';
  inset: 0;
  background:
    radial-gradient(820px 320px at 88% 10%, rgba(185, 154, 99, 0.13), transparent 64%),
    radial-gradient(680px 340px at 6% 96%, rgba(120, 132, 150, 0.16), transparent 66%);
}
.pageBanner::after {
  position: absolute; content: '';
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.055) 1px, transparent 0);
  background-size: 26px 26px;
}
.pageBanner > .container { position: relative; z-index: 2; width: 100%; }
/* 原来原模板是 padding:257px 0 0、标题 margin-bottom:161px，
   导致文字被压到底部（上 138 / 下 58）。现在改为垂直居中，上下留白自然对称。 */
.pageBannerContent { padding: 0 !important; }
.pageBannerContent h2,
.pageBanner .banner-title {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--white);
  margin: 0 0 0;
  line-height: 1.2;
}
.pageBanner .banner-en {
  margin: 11px 0 0;
  font-size: 11px;
  letter-spacing: 4.4px;
  text-transform: uppercase;
  color: var(--warm);
}
.pageBreadCum {
  display: inline-flex !important;
  align-items: center;
  height: auto !important;
  padding: 0 !important;
  margin: 0 0 17px !important;
  background: none !important;
  font-size: 12.5px;
}
.pageBreadCum a { color: var(--on-dark-3) !important; font-size: 12.5px !important; line-height: 1.6 !important; letter-spacing: 0.4px !important; }
.pageBreadCum a:hover { color: var(--warm-2) !important; }
.pageBreadCum i { color: rgba(160, 168, 180, 0.5) !important; margin: 0 10px !important; font-size: 11px !important; }
.pageBreadCum span { color: var(--on-dark) !important; font-weight: 600 !important; font-size: 12.5px !important; line-height: 1.6 !important; letter-spacing: 0.4px !important; }

/* ========================= 07. 项目研究页 ========================= */
.researchDetailSec { padding: 84px 0 96px !important; background: var(--white); }
.grid-container {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px !important;
  padding: 0 !important;
  max-width: none !important;
  margin: 0 !important;
}
.research-link { display: block !important; flex: none !important; }
.research-item {
  position: relative;
  display: flex;
  flex-direction: column;
  height: auto !important;
  max-width: none !important;
  background: var(--white) !important;
  border: 1px solid var(--line);
  border-radius: var(--r) !important;
  box-shadow: none !important;
  overflow: hidden;
  transition: border-color 0.28s var(--ease), transform 0.28s var(--ease);
}
.research-link:hover .research-item { transform: translateY(-4px); border-color: #c9ccd2; box-shadow: none !important; }
.image-container { height: 246px !important; position: relative; overflow: hidden; background: var(--paper); }
.research-item img { transition: transform 0.6s var(--ease) !important; }
.research-link:hover .research-item img { transform: scale(1.04) !important; }
.info-card {
  padding: 26px 28px 28px !important;
  background: var(--white) !important;
  display: flex; flex-direction: column; flex: 1;
  justify-content: flex-start !important;
}
.info-card h3 {
  margin: 0 0 12px !important;
  font-size: 20px !important;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--ink) !important;
  line-height: 1.35 !important;
}
.info-card p { margin: 0 !important; font-size: 14.5px !important; line-height: 1.85 !important; color: var(--mut) !important; }
.info-card .card-more {
  display: inline-block;
  margin-top: 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: var(--ink);
  padding-bottom: 3px;
  border-bottom: 1px solid var(--warm);
}
.research-link:hover .info-card .card-more { color: var(--warm); }
/* 悬浮遮罩：改为墨黑 */
.overlay {
  background: linear-gradient(0deg, rgba(16, 18, 24, 0.95), rgba(16, 18, 24, 0.86) 60%, rgba(16, 18, 24, 0.72)) !important;
  opacity: 0;
  transition: opacity 0.34s var(--ease) !important;
}
.research-link:hover .research-item .overlay { opacity: 1; }
.tech-desc h4 { color: var(--warm-2); font-size: 15px; font-weight: 700; margin: 0 0 10px; letter-spacing: 0.6px; }
.tech-desc p { color: var(--on-dark-2); font-size: 13px; line-height: 1.9; margin: 0; }

/* ========================= 08. 研究团队页 ========================= */
.teamSinglePage { padding: 84px 0 40px !important; background: var(--white); }
.teamSinglePage .row { margin-bottom: 26px; }
.mentor-card {
  display: grid;
  grid-template-columns: 248px 1fr;
  gap: 34px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  transition: border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}
.mentor-card:hover { border-color: #c9ccd2; box-shadow: 0 20px 44px -32px rgba(16, 18, 24, 0.4); }
.team_thumb { position: relative; margin: 0 !important; border-radius: var(--r); overflow: hidden; background: var(--paper); }
.team_thumb img { width: 100%; height: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center 16%; }
.team_thumb .badge-role {
  position: absolute; left: 12px; bottom: 12px;
  padding: 5px 12px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.6px;
  color: var(--ink); background: rgba(255, 255, 255, 0.94);
  border-radius: var(--r);
}
.team_content { padding: 4px 0 0 !important; }
.team_content .tm_designation {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12px !important; font-weight: 700 !important;
  letter-spacing: 1.4px; text-transform: uppercase;
  color: var(--warm) !important;
  margin: 0 0 10px !important;
}
.team_content .tm_designation::before { content: ''; width: 18px; height: 2px; background: var(--warm); }
.team_content h4 { margin: 0 0 16px !important; font-size: 27px !important; font-weight: 700; letter-spacing: -0.6px; line-height: 1.2 !important; }
.team_content p { font-size: 14.5px !important; line-height: 1.95 !important; color: var(--mut) !important; }
.team_content p.mb33 { margin-bottom: 18px !important; }
.team_content p.mb42 { margin-bottom: 0 !important; }
.team_content p.clamp {
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
  transition: -webkit-line-clamp 0.2s;
}
.team_content p.clamp.open { -webkit-line-clamp: unset; }
.mentor-expand {
  margin-top: 12px; padding: 0;
  font-size: 13px; font-weight: 700; letter-spacing: 0.4px;
  color: var(--ink); background: none; border: none;
  border-bottom: 1px solid var(--warm); cursor: pointer;
}
.tm_meta { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 0 !important; padding: 18px 0 0 !important; border-top: 1px dashed var(--line); }
.tm_meta li { display: inline-flex; align-items: center; gap: 8px; margin: 0 !important; font-size: 13px !important; line-height: 1.6 !important; color: var(--mut) !important; }
.tm_meta li i { color: var(--warm) !important; margin: 0 !important; min-width: auto !important; font-size: 13px !important; }
.tm_meta li span { color: var(--ink) !important; font-weight: 600 !important; font-family: var(--font) !important; }

/* 研究生列表 */
.graduateSection { padding: 84px 0 92px !important; background: var(--paper) !important; border-top: 1px solid var(--line); }
.graduateSection h2 {
  font-size: 34px !important; font-weight: 700 !important; color: var(--ink) !important;
  padding-bottom: 0 !important; letter-spacing: -0.9px; margin: 0 0 12px !important;
}
.graduateSection h2::after { display: none !important; }
.graduateSection .pageBannerContent { padding: 0 !important; }
.graduateTableWrap {
  padding: 0 !important;
  background: var(--white) !important;
  border: 1px solid var(--line);
  border-radius: var(--r) !important;
  box-shadow: none !important;
  overflow: hidden;
}
.stu-head {
  display: grid;
  grid-template-columns: 80px 220px 1fr;
  gap: 16px;
  padding: 18px 30px;
  background: var(--ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: rgba(196, 203, 214, 0.8);
}
.stu-row {
  display: grid;
  grid-template-columns: 80px 220px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px 30px;
  border-bottom: 1px solid var(--line-2);
  transition: background 0.18s var(--ease);
}
.stu-row:last-child { border-bottom: none; }
.stu-row:hover { background: var(--paper); }
.stu-row .idx { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--mut-2); }
.stu-row .name { font-size: 15.5px; font-weight: 700; color: var(--ink); }
.stu-row .to { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: var(--mut); }
.tag {
  display: inline-flex; align-items: center;
  height: 24px; padding: 0 11px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.6px;
  border-radius: var(--r);
}
.tag.co { color: #2f5d8a; background: #eef3f9; }
.tag.res { color: #7a5a1e; background: var(--warm-soft); }

/* ========================= 09. 弹窗 ========================= */
.modal-content {
  border: none;
  border-radius: var(--r);
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 40px 90px -40px rgba(16, 18, 24, 0.7);
}
.modal-header { padding: 22px 28px; border-bottom: 1px solid var(--line); background: var(--ink); }
.modal-header .modal-title { font-size: 16px; font-weight: 700; letter-spacing: 0.6px; color: var(--white); }
.modal-header .btn-close, .modal-header .close {
  width: 34px; height: 34px; opacity: 1;
  display: flex; align-items: center; justify-content: center;
  color: var(--on-dark); background: transparent; border: 1px solid var(--on-dark-line);
  border-radius: var(--r); font-size: 18px; line-height: 1; text-shadow: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.modal-header .btn-close:hover, .modal-header .close:hover { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.4); color: var(--white); }
.modal-header .btn-close::before { content: '\00d7'; }
.modal-body { padding: 28px; }
.modal-body img { border-radius: var(--r); margin-bottom: 22px; }
.modal-body h3 { font-size: 24px; font-weight: 700; letter-spacing: -0.5px; margin: 0 0 12px !important; }
.modal-body > p { font-size: 14.5px; line-height: 1.9; color: var(--mut); margin-bottom: 20px !important; }
.modal-tech-details { background: var(--paper) !important; border: 1px solid var(--line); border-radius: var(--r) !important; padding: 20px 22px !important; margin-top: 0 !important; }
.modal-tech-details h5 { font-size: 13px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase; color: var(--warm) !important; margin: 0 0 12px !important; }
.modal-tech-details p { margin: 0; font-size: 14px; line-height: 2; color: var(--ink); }
.modal-key-achievements { background: var(--warm-soft) !important; border: none !important; border-left: 2px solid var(--warm) !important; border-radius: var(--r) !important; padding: 20px 22px !important; }
.modal-key-achievements h5 { font-size: 13px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase; color: #7a5a1e !important; margin: 0 0 12px !important; }
.modal-key-achievements ul { margin: 0; padding-left: 18px; }
.modal-key-achievements li { font-size: 14px; line-height: 1.95; color: #4a3d24; }
.modal-footer { padding: 18px 28px; border-top: 1px solid var(--line); }
.modal-footer .btn {
  height: 42px; padding: 0 26px; font-size: 14px; font-weight: 600; letter-spacing: 0.4px;
  border-radius: var(--r); border: 1px solid var(--ink); background: var(--ink); color: var(--white);
}
.modal-footer .btn:hover { background: var(--ink-soft); border-color: var(--ink-soft); color: var(--white); }

/* 首页视频弹窗 */
#myModal { background: rgba(8, 9, 11, 0.94) !important; }
#myModal .modal-content { background: #000 !important; border-radius: var(--r) !important; border: 1px solid rgba(255, 255, 255, 0.16); }
#myModal .close {
  position: absolute; top: -52px; right: 0; z-index: 5;
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; line-height: 1; color: var(--on-dark);
  background: rgba(255, 255, 255, 0.08); border: 1px solid var(--on-dark-line);
  border-radius: var(--r); opacity: 1; cursor: pointer;
  transition: background 0.2s var(--ease);
}
#myModal .close:hover { background: rgba(255, 255, 255, 0.18); color: var(--white); }

/* ========================= 10. CTA / 页脚 / 返回顶部 ========================= */
.cta { background: var(--ink); padding: 72px 0; position: relative; overflow: hidden; }
.cta::before {
  position: absolute; content: ''; inset: 0;
  background: radial-gradient(760px 300px at 86% 12%, rgba(185, 154, 99, 0.16), transparent 64%);
}
.cta .inner { position: relative; max-width: var(--max); margin: 0 auto; padding: 0 15px; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta h2 { margin: 0 0 10px; font-size: 30px; font-weight: 700; letter-spacing: -0.8px; color: var(--white); }
.cta p { margin: 0; max-width: 620px; font-size: 14.5px; line-height: 1.9; color: var(--on-dark-2); }
.cta .btn-brand { height: 50px; }
.site-foot { background: #0b0c0e; padding: 34px 0; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.site-foot .inner { max-width: var(--max); margin: 0 auto; padding: 0 15px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 13px; color: rgba(160, 168, 180, 0.72); }
.site-foot a { color: rgba(196, 203, 214, 0.86); }
.site-foot a:hover { color: var(--warm-2); }

#backtotop, .backtotop {
  position: fixed !important; right: 26px !important; bottom: 26px !important; z-index: 1000;
  width: 46px; height: 46px; line-height: 46px;
  text-align: center; padding: 0;
  opacity: 1 !important; visibility: visible !important;
  color: var(--white) !important;
  background: var(--ink) !important;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--r) !important;
  font-size: 15px;
  transition: background 0.22s var(--ease), transform 0.22s var(--ease);

  display: none;
  width: 46px; height: 46px;
  align-items: center; justify-content: center;
  color: var(--white) !important;
  background: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--r);
  font-size: 15px;
  transition: background 0.22s var(--ease);
}
#backtotop:hover, .backtotop:hover { background: var(--ink-soft) !important; color: var(--warm-2) !important; transform: translateY(-3px); }
#backtotop.colorMode2s, #backtotop.colorMode3s { background: var(--ink) !important; }
#backtotop i, .backtotop i { color: inherit; }

/* ========================= 11. 响应式 ========================= */
@media (max-width: 1199px) {
  .hero h1 { font-size: 52px; }
  .hero-inner { gap: 44px; }
  .mentor-card { grid-template-columns: 210px 1fr; gap: 26px; }
}
@media (max-width: 991px) {
  /* 移动端：收起主菜单（必须覆盖基础规则里的 display:flex） */
  .header01 .mainMenu { display: none; }
  .header01 .mainMenu.menu-is-open {
    display: block !important;
    position: absolute !important;
    top: 68px !important;
    right: 15px !important;
    left: auto !important;
    width: 224px !important;
    padding: 6px 0 !important;
    background: rgba(16, 18, 24, 0.98) !important;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--r) !important;
    box-shadow: 0 26px 54px -22px rgba(0, 0, 0, 0.8) !important;
    z-index: 999 !important;
  }
  .header01 .mainMenu.menu-is-open ul { display: block !important; }
  .header01 .mainMenu.menu-is-open ul li { margin: 0 !important; padding: 0 !important; }
  .header01 .mainMenu.menu-is-open ul li a {
    display: block !important;
    padding: 13px 20px !important;
    font-size: 14.5px !important;
    color: var(--on-dark) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
  }
  .header01 .mainMenu.menu-is-open ul li:last-child a { border-bottom: none !important; }
  .header01 .mainMenu.menu-is-open ul li a.active::after { display: none !important; }
  .header01 .mainMenu.menu-is-open ul li a.active { color: var(--warm-2) !important; }
  .header01 .navArea { min-height: 68px; }
  .header01 .logo { border-right: none; padding-right: 0; margin-right: 0; }
  .header01 .logo img { height: 34px; }
  .nav-cta { display: none; }
  .lang-switch { margin-left: auto; margin-right: 10px; }
  .hero { min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; padding: 120px 15px 48px; gap: 40px; }
  .hero h1 { font-size: 42px; letter-spacing: -1px; }
  .hero-sub { font-size: 15px; }
  .statbar .inner { grid-template-columns: repeat(2, 1fr); }
  .statbar .item { padding: 20px 0 !important; border-right: none; border-bottom: 1px solid var(--on-dark-line); }
  .statbar .item:not(:first-child) { padding-left: 0 !important; }
  .statbar .item:nth-child(odd) { border-right: 1px solid var(--on-dark-line); }
  .sec { padding: 62px 0; }
  .sec-head { grid-template-columns: 1fr; gap: 18px; }
  .card-row { grid-template-columns: 1fr; }
  .card-row .card-cell { padding: 26px 0 !important; border-right: none; border-bottom: 1px solid var(--line); }
  .card-row .card-cell:last-child { border-bottom: none; }
  .card-row .card-cell:hover { padding-left: 0; }
  .pageBanner { min-height: 172px; }
  .pageBannerContent { padding: 0 !important; }
  .pageBannerContent h2, .pageBanner .banner-title { font-size: 30px; }
  .grid-container { grid-template-columns: 1fr !important; gap: 22px !important; }
  .research-item { height: auto !important; }
  .mentor-card { grid-template-columns: 1fr; gap: 22px; padding: 20px; }
  .team_thumb img { aspect-ratio: 16 / 10; }
  .stu-head { display: none; }
  .stu-row { grid-template-columns: 46px 1fr; gap: 10px 14px; padding: 14px 20px; }
  .stu-row .to { grid-column: 2; }
  .cta .inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 575px) {
  .hero h1 { font-size: 34px; }
  .hero-en { letter-spacing: 2.6px; font-size: 10px; }
  .hero-actions { gap: 10px; }
  .btn-brand, .btn-ghost { height: 48px; padding: 0 20px; font-size: 13.5px; flex: 1 1 auto; }
  .statbar b { font-size: 27px; }
  .sec-head h2, .graduateSection h2 { font-size: 26px !important; }
  .team_content h4 { font-size: 22px !important; }
  .site-foot .inner { flex-direction: column; }
}

/* ========================= 12. 打印与无障碍 ========================= */
:focus-visible { outline: 2px solid var(--warm); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}


/* ============================================================================
   13. 首页内容区块补充（数据来自《新一代通信研究中心-智联网络实验室》文档）
   ============================================================================ */

/* --- 数据条：悬浮上浮 + 金色高亮 --- */
.statbar .item { padding: 26px 0; position: relative; cursor: default; }
.statbar .item::after {
  content: '';
  position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, var(--warm), rgba(185, 154, 99, 0));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.statbar .item:not(:first-child)::after { left: 44px; }
.statbar .item:hover::after { transform: scaleX(1); }
.statbar .stat { transition: transform 0.32s var(--ease); }
.statbar .item:hover .stat { transform: translateY(-9px); }
.statbar .item b { transition: color 0.32s var(--ease); }
.statbar .item:hover b { color: var(--warm-2); }
.statbar .item:hover b em { color: var(--white); }

/* --- 滚动入场 ---
   只有 custom.js 成功注册动画后才给 <html> 加 reveal-ready；
   脚本一旦没跑/报错，这里就不生效，内容默认可见（失效安全）。*/
.reveal { transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
html.reveal-ready .reveal:not(.is-in) { opacity: 0; transform: translateY(26px); }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }

/* --- 实验室概况 --- */
.about-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 56px; align-items: start; }
.about-main p { margin: 0 0 20px; font-size: 16.5px; line-height: 2; color: var(--mut); }
.about-main p:first-child { font-size: 17px; line-height: 1.95; color: var(--text); }
.about-side { display: flex; flex-direction: column; gap: 22px; }
.side-block { padding: 26px 28px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); }
.side-label {
  display: block; margin-bottom: 18px;
  font-size: 11px; font-weight: 700; letter-spacing: 2.4px; text-transform: uppercase;
  color: var(--warm);
}
.comp-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.comp-list li { display: flex; align-items: baseline; gap: 12px; font-size: 14.5px; color: var(--mut); }
.comp-list li b { font-size: 22px; font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; min-width: 26px; }
.side-block p { margin: 0; font-size: 14.5px; line-height: 1.9; color: var(--mut); }

/* --- 研究方向：四栏 --- */
.card-row.four { grid-template-columns: repeat(4, 1fr); }
.card-row.four .card-cell { padding-right: 26px; }
.card-row.four .card-cell h3 { font-size: 17.5px; line-height: 1.45; }
.card-cell .cnum { display: block; }
.honor-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line); }
.honor-row .honor {
  display: inline-flex; align-items: center; gap: 9px;
  height: 38px; padding: 0 16px;
  font-size: 13.5px; font-weight: 600; color: var(--ink);
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}
.honor-row .honor::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--warm); flex: 0 0 auto; }
.honor-row .honor:hover { border-color: var(--warm); transform: translateY(-2px); }

/* --- 平台建设 --- */
.plat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; }
.plat {
  padding: 34px 40px 36px 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.28s var(--ease), padding 0.28s var(--ease);
}
.plat:nth-child(2n) { padding-right: 0; padding-left: 40px; border-right: none; }
.plat:nth-last-child(-n + 2) { border-bottom: none; }
.plat:hover { background: var(--paper); }
.plat-no { font-family: var(--mono); font-size: 12.5px; font-weight: 700; letter-spacing: 1.6px; color: var(--warm); }
.plat h3 { margin: 16px 0 12px; font-size: 19px; font-weight: 700; letter-spacing: -0.3px; }
.plat p { margin: 0; font-size: 15px; line-height: 1.9; color: var(--mut); }

/* --- 代表性论文 --- */
.pub-list { list-style: none; margin: 0; padding: 0; counter-reset: pub; }
.pub-list li {
  position: relative;
  padding: 18px 0 18px 54px;
  border-bottom: 1px solid var(--line);
  font-size: 14px; line-height: 1.85; color: var(--mut);
  transition: background 0.22s var(--ease);
}
.pub-list li:last-child { border-bottom: none; }
.pub-list li::before {
  counter-increment: pub; content: counter(pub, decimal-leading-zero);
  position: absolute; left: 0; top: 20px;
  font-family: var(--mono); font-size: 12.5px; font-weight: 700; color: var(--warm);
}
.pub-list li:hover { background: var(--paper); }
.pub-list li b { color: var(--ink); font-weight: 600; }
.pub-list li em { font-style: italic; color: var(--ink); }

@media (max-width: 991px) {
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .card-row.four { grid-template-columns: 1fr; }
  .plat-grid { grid-template-columns: 1fr; }
  .plat { padding: 26px 0 !important; border-right: none; }
  .plat:nth-last-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .plat:last-child { border-bottom: none; }
}


/* ============================================================================
   14. 学术成果（论文清单 + 荣誉与知识产权）
   ============================================================================ */
.pub-count {
  display: inline-flex; align-items: center; height: 30px; padding: 0 13px; margin-left: 14px;
  font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: 1px;
  color: var(--warm); background: var(--warm-soft); border-radius: var(--r); vertical-align: middle;
}
.pub-list { counter-reset: pub; }
.ach-sub {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  margin: 64px 0 26px; padding-bottom: 16px; border-bottom: 1px solid var(--line);
}
.ach-sub:first-of-type { margin-top: 0; }
.ach-sub h3 { margin: 0; font-size: 21px; font-weight: 700; letter-spacing: -0.3px; }
.ach-sub p { margin: 0; font-size: 14px; color: var(--mut); }
.ach-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ach-card {
  margin: 0; background: var(--white);
  border: 1px solid var(--line); border-radius: var(--r); overflow: hidden;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}
.ach-card:hover { transform: translateY(-6px); border-color: var(--warm); box-shadow: 0 24px 50px -30px rgba(16, 18, 24, 0.55); }
.ach-card .thumb {
  display: flex; align-items: center; justify-content: center;
  min-height: 288px; padding: 22px; background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.ach-card .thumb img {
  max-width: 100%; max-height: 268px; width: auto; height: auto;
  box-shadow: 0 10px 26px -14px rgba(16, 18, 24, 0.5);
  transition: transform 0.4s var(--ease);
}
.ach-card:hover .thumb img { transform: scale(1.035); }
.ach-card figcaption { padding: 15px 18px; font-size: 13.5px; line-height: 1.7; color: var(--mut); }
.ach-card figcaption b { display: block; margin-bottom: 3px; font-size: 14.5px; color: var(--ink); }

@media (max-width: 991px) {
  .ach-grid { grid-template-columns: 1fr; }
  .ach-card .thumb { min-height: 220px; }
}


/* ============================================================================
   15. 内容区视觉升级（打破单调感）
   ============================================================================ */

/* --- 实验室概况：实景图横幅 --- */
.about-banner {
  position: relative; margin-bottom: 54px; border-radius: var(--r); overflow: hidden;
  border: 1px solid var(--line); background: var(--ink);
}
.about-banner img { display: block; width: 100%; height: 380px; object-fit: cover; }
.about-banner::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11, 13, 18, 0.1) 0%, rgba(11, 13, 18, 0.72) 100%);
}
.about-banner .cap {
  position: absolute; left: 34px; bottom: 30px; z-index: 2; color: #fff;
}
.about-banner .cap b { display: block; font-size: 22px; font-weight: 700; letter-spacing: -0.3px; }
.about-banner .cap span { font-size: 14px; color: rgba(212, 226, 245, 0.82); }

/* --- 研究方向：巨型背景序号 --- */
.card-row.four .card-cell { position: relative; overflow: hidden; }
.card-row.four .card-cell .ghost {
  position: absolute; right: 6px; top: -22px; z-index: 0;
  font-family: var(--mono); font-size: 104px; font-weight: 700; line-height: 1;
  color: rgba(16, 18, 24, 0.045);
  transition: color 0.4s var(--ease), transform 0.4s var(--ease);
  pointer-events: none;
}
.card-row.four .card-cell:hover .ghost { color: rgba(185, 154, 99, 0.16); transform: translateY(-6px); }
.card-row.four .card-cell > * { position: relative; z-index: 1; }
.card-row.four .card-cell::before {
  content: ''; position: absolute; left: 0; top: 0; width: 0; height: 2px;
  background: var(--warm); transition: width 0.45s var(--ease);
}
.card-row.four .card-cell:hover::before { width: 46px; }


/* --- 科研成果展示：图片画廊 --- */
.gallery {
  display: grid; grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 176px; gap: 16px;
}
.gallery figure {
  position: relative; margin: 0; overflow: hidden;
  border-radius: var(--r); border: 1px solid var(--line); background: var(--paper);
}
.gallery figure.w2 { grid-column: span 2; }
.gallery figure.h2 { grid-row: span 2; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.55s var(--ease); }
.gallery figure:hover img { transform: scale(1.07); }
.gallery figcaption {
  position: absolute; inset: auto 0 0 0; padding: 26px 16px 14px;
  font-size: 13.5px; font-weight: 600; color: #fff;
  background: linear-gradient(0deg, rgba(11, 13, 18, 0.9), rgba(11, 13, 18, 0));
  opacity: 0; transform: translateY(8px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.gallery figure:hover figcaption { opacity: 1; transform: none; }

/* --- 可点击的成果卡 --- */
a.ach-card { display: block; color: inherit; }
a.ach-card:hover { color: inherit; }
.ach-more {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 26px; font-size: 14.5px; font-weight: 700; color: var(--ink);
  padding-bottom: 4px; border-bottom: 1px solid var(--warm);
}
.ach-more:hover { color: var(--warm); }
.ach-more::after { content: '→'; transition: transform 0.25s var(--ease); }
.ach-more:hover::after { transform: translateX(5px); }

/* --- 证书查看器（学术成果页） --- */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cert-grid figure {
  margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden;
  cursor: zoom-in; transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}
.cert-grid figure:hover { transform: translateY(-6px); border-color: var(--warm); box-shadow: 0 26px 54px -30px rgba(16, 18, 24, 0.6); }
.cert-grid .thumb { display: flex; align-items: center; justify-content: center; min-height: 330px; padding: 20px; background: var(--paper); border-bottom: 1px solid var(--line); }
.cert-grid .thumb img { max-width: 100%; max-height: 300px; width: auto; box-shadow: 0 10px 26px -14px rgba(16, 18, 24, 0.5); }
.cert-grid figcaption { padding: 14px 18px; font-size: 13.5px; color: var(--mut); }
.cert-grid figcaption b { display: block; margin-bottom: 3px; color: var(--ink); font-size: 14.5px; }

.lightbox {
  position: fixed; inset: 0; z-index: 3000; display: none;
  align-items: center; justify-content: center;
  background: rgba(8, 9, 12, 0.94); padding: 48px 24px;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; box-shadow: 0 40px 90px -40px rgba(0, 0, 0, 0.9); }
.lightbox .lb-close {
  position: absolute; top: 26px; right: 30px;
  width: 46px; height: 46px; display: flex; align-items: center; justify-content: center;
  font-size: 26px; line-height: 1; color: var(--on-dark);
  background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: var(--r); cursor: pointer;
}
.lightbox .lb-close:hover { background: rgba(255, 255, 255, 0.2); color: #fff; }

@media (max-width: 991px) {
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; }
  .cert-grid { grid-template-columns: 1fr; }
  .about-banner img { height: 240px; }
  .card-row.four .card-cell .ghost { font-size: 80px; }
}


/* ============================================================================
   16. 证书墙（荣誉证书 / 发明专利 / 软件著作权）
   ============================================================================ */
.wall-bar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--line);
}
.wall-filter {
  height: 42px; padding: 0 18px;
  display: inline-flex; align-items: center; gap: 9px;
  font-family: inherit; font-size: 14px; font-weight: 600; letter-spacing: 0.3px;
  color: var(--mut); background: var(--white);
  border: 1px solid var(--line); border-radius: var(--r);
  cursor: pointer;
  transition: color 0.22s var(--ease), background 0.22s var(--ease), border-color 0.22s var(--ease);
}
.wall-filter:hover { color: var(--ink); border-color: var(--ink); }
.wall-filter.active { color: var(--white); background: var(--ink); border-color: var(--ink); }
.wall-filter span { font-family: var(--mono); font-size: 12px; opacity: 0.65; }
.wall-tip { margin-left: auto; font-size: 13px; color: var(--muted-2, #9aa1ab); }

.cert-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(188px, 1fr));
  gap: 18px;
}
.cert-item {
  margin: 0; background: var(--white);
  border: 1px solid var(--line); border-radius: var(--r); overflow: hidden;
  cursor: zoom-in;
  transition: transform 0.26s var(--ease), box-shadow 0.26s var(--ease), border-color 0.26s var(--ease);
}
.cert-item:hover {
  transform: translateY(-6px); border-color: var(--warm);
  box-shadow: 0 24px 48px -28px rgba(16, 18, 24, 0.6);
}
.cert-item .frame {
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 3 / 4; padding: 14px;
  background: var(--paper); border-bottom: 1px solid var(--line);
}
.cert-item .frame img {
  max-width: 100%; max-height: 100%; width: auto; height: auto;
  box-shadow: 0 8px 20px -12px rgba(16, 18, 24, 0.55);
  transition: transform 0.4s var(--ease);
}
.cert-item:hover .frame img { transform: scale(1.05); }
.cert-item figcaption { padding: 11px 13px; font-size: 12.5px; line-height: 1.5; color: var(--mut); }
.cert-item figcaption b { display: block; margin-bottom: 2px; font-size: 13px; color: var(--ink); }
.cert-item.is-hidden { display: none; }

/* 科研成果：统一网格（比混合尺寸更整洁） */
.gallery.uniform { grid-auto-rows: 190px; }
.gallery.uniform figure { grid-column: auto; grid-row: auto; }

@media (max-width: 991px) {
  .cert-wall { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .wall-tip { display: none; }
}


/* ============================================================================
   17. 实验室动态（列表卡片 + 详情弹窗）
   ============================================================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 26px;
}
.news-card {
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden; cursor: pointer;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}
.news-card:hover, .news-card:focus-visible {
  transform: translateY(-6px); border-color: var(--warm);
  box-shadow: 0 26px 52px -30px rgba(16, 18, 24, 0.55);
  outline: none;
}
.news-thumb { aspect-ratio: 16 / 9; overflow: hidden; background: var(--paper); border-bottom: 1px solid var(--line); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-body { display: flex; flex-direction: column; flex: 1; padding: 22px 24px 24px; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.news-cat {
  display: inline-flex; align-items: center; height: 24px; padding: 0 11px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.6px;
  color: #7a5a1e; background: var(--warm-soft); border-radius: var(--r);
}
.news-date { font-family: var(--mono); font-size: 12.5px; color: var(--muted-2, #9aa1ab); letter-spacing: 0.4px; }
.news-card h3 {
  margin: 0 0 10px; font-size: 19px; font-weight: 700;
  letter-spacing: -0.4px; line-height: 1.42; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card p {
  margin: 0; font-size: 14.5px; line-height: 1.85; color: var(--mut);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.news-more {
  margin-top: auto; padding-top: 18px;
  font-size: 13px; font-weight: 700; color: var(--ink);
  border-bottom: 0;
}
.news-card:hover .news-more { color: var(--warm); }
.news-more::after { content: ' →'; }
.news-empty {
  grid-column: 1 / -1; padding: 72px 20px; text-align: center;
  color: var(--muted-2, #9aa1ab); font-size: 15px;
  background: var(--paper); border: 1px dashed var(--line); border-radius: var(--r);
}
.news-loading { grid-column: 1 / -1; padding: 60px 20px; text-align: center; color: var(--muted-2, #9aa1ab); font-size: 15px; }

/* --- 详情弹窗 --- */
.news-modal {
  position: fixed; inset: 0; z-index: 3000; display: none;
  align-items: flex-start; justify-content: center;
  background: rgba(8, 9, 12, 0.9);
  padding: 56px 24px; overflow-y: auto;
}
.news-modal.is-open { display: flex; }
.news-modal-panel {
  position: relative; width: 100%; max-width: 820px;
  background: var(--white); border-radius: var(--r);
  box-shadow: 0 50px 110px -50px rgba(0, 0, 0, 0.95);
  overflow: hidden;
}
.news-modal-close {
  position: absolute; top: 16px; right: 16px; z-index: 3;
  width: 42px; height: 42px; display: flex; align-items: center; justify-content: center;
  font-size: 24px; line-height: 1; color: #fff;
  background: rgba(11, 13, 18, 0.55); border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--r); cursor: pointer;
  transition: background 0.2s var(--ease);
}
.news-modal-close:hover { background: rgba(11, 13, 18, 0.85); }
.news-modal-cover { max-height: 380px; overflow: hidden; background: var(--paper); }
.news-modal-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.news-modal-inner { padding: 38px 44px 44px; }
.news-modal-inner .news-meta { margin-bottom: 16px; }
.news-modal-inner h2 {
  margin: 0 0 22px; font-size: 30px; font-weight: 700;
  letter-spacing: -0.9px; line-height: 1.3; color: var(--ink);
}
.news-modal-body { font-size: 16px; line-height: 1.95; color: var(--text-2); }
.news-modal-body p { margin: 0 0 18px; }
.news-modal-body p:last-child { margin-bottom: 0; }
.news-modal-author {
  margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--muted-2, #9aa1ab);
}
body.news-locked { overflow: hidden; }

/* --- 主页动态区块：横向三列 --- */
.news-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.sec-more {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 34px; font-size: 14.5px; font-weight: 700; color: var(--ink);
  padding-bottom: 4px; border-bottom: 1px solid var(--warm);
}
.sec-more:hover { color: var(--warm); }
.sec-more::after { content: '→'; transition: transform 0.25s var(--ease); }
.sec-more:hover::after { transform: translateX(5px); }

@media (max-width: 991px) {
  .news-grid, .news-row { grid-template-columns: 1fr; gap: 18px; }
  .news-modal { padding: 20px 12px; }
  .news-modal-inner { padding: 26px 22px 32px; }
  .news-modal-inner h2 { font-size: 23px; }
  .news-modal-body { font-size: 15px; }
}


/* --- 研究生名单：折叠 / 展开 --- */
.stu-more-wrap {
  display: flex; justify-content: center;
  padding: 22px 20px 24px; border-top: 1px solid var(--line-2);
  background: var(--white);
}
.stu-more {
  display: inline-flex; align-items: center; gap: 9px;
  height: 44px; padding: 0 26px;
  font-family: inherit; font-size: 14px; font-weight: 700; letter-spacing: 0.4px;
  color: var(--ink); background: var(--white);
  border: 1px solid var(--ink); border-radius: var(--r);
  cursor: pointer;
  transition: color 0.22s var(--ease), background 0.22s var(--ease), transform 0.22s var(--ease);
}
.stu-more:hover { color: var(--white); background: var(--ink); transform: translateY(-2px); }
.stu-more::after { content: '↓'; font-size: 13px; transition: transform 0.25s var(--ease); }
.stu-more.is-open::after { transform: rotate(180deg); }
.stu-row.is-hidden { display: none; }
.member-empty { padding: 60px 20px; text-align: center; color: var(--muted-2, #9aa1ab); font-size: 15px; }


/* ============================================================================
   18. 可点击的平台卡片（跳到项目研究页并打开详情）
   ============================================================================ */
a.plat {
  display: block; text-decoration: none; color: inherit;
  cursor: pointer;
}
a.plat:hover { background: var(--paper); }
.plat .plat-more {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 16px; padding-bottom: 2px;
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.3px;
  color: var(--muted-2, #9aa1ab);
  border-bottom: 1px solid transparent;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}
.plat .plat-more::after { content: '→'; transition: transform 0.24s var(--ease); }
a.plat:hover .plat-more { color: var(--warm); border-bottom-color: var(--warm); }
a.plat:hover .plat-more::after { transform: translateX(5px); }
a.plat:hover h3 { color: var(--ink); }
/* 平台卡片左上角的小金条，暗示可点击 */
a.plat::before {
  content: ''; position: absolute; left: 0; top: 0; width: 0; height: 2px;
  background: var(--warm); transition: width 0.4s var(--ease);
}
a.plat:hover::before { width: 58px; }
.plat { position: relative; }


/* ============================================================================
   19. 学习资源 · Neo Developer（编辑排版风格，去模板感）
   ============================================================================ */
.neo-card {
  position: relative;
  display: block;
  padding: 40px 44px 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
/* 顶部金色细线：悬浮时从左铺满 */
.neo-card::before {
  content: ''; position: absolute; left: 0; top: 0; z-index: 2;
  width: 0; height: 2px; background: var(--warm);
  transition: width 0.55s var(--ease);
}
.neo-card:hover::before { width: 100%; }
.neo-card:hover {
  border-color: var(--ink);
  transform: translateY(-3px);
  box-shadow: 0 32px 64px -44px rgba(16, 18, 24, 0.55);
}

.neo-top { display: grid; grid-template-columns: 94px 1fr; gap: 36px; align-items: start; }

/* 图标：1px 细线方框 + 右上角金色小角标，像档案上的标记 */
.neo-mark {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  width: 94px; height: 94px;
  border: 1px solid var(--line);
  transition: border-color 0.3s var(--ease);
}
.neo-mark::after {
  content: ''; position: absolute; right: -1px; top: -1px;
  width: 11px; height: 11px; background: var(--warm);
}
.neo-mark svg { width: 46px; height: 46px; color: var(--ink); }
.neo-mark em {
  position: absolute; left: 0; bottom: -21px;
  font-family: var(--mono); font-style: normal;
  font-size: 9.5px; font-weight: 700; letter-spacing: 2.2px; color: var(--mut-2);
}
.neo-card:hover .neo-mark { border-color: var(--ink); }

.neo-kicker {
  display: block; margin: 2px 0 13px;
  font-family: var(--mono); font-size: 10.5px; font-weight: 700;
  letter-spacing: 3.2px; color: var(--warm);
}
.neo-title {
  display: block;
  font-size: 26px; font-weight: 700; letter-spacing: -0.85px; line-height: 1.3;
  color: var(--ink);
}
.neo-title em { font-style: normal; font-weight: 400; color: var(--warm); margin: 0 7px; }
.neo-rule { display: block; width: 46px; height: 2px; margin: 19px 0 21px; background: var(--warm); }
.neo-lede { display: block; max-width: 730px; font-size: 15px; line-height: 2.05; color: var(--mut); }

/* 两栏：只用细线分隔，不用色块 */
.neo-cols { display: grid; grid-template-columns: 1fr 1fr; margin-top: 34px; border-top: 1px solid var(--line-2); }
.neo-col { padding: 26px 34px 28px 0; }
.neo-col + .neo-col { padding-left: 34px; border-left: 1px solid var(--line-2); }
.neo-col b { display: block; margin-bottom: 11px; font-size: 13px; font-weight: 700; letter-spacing: -0.1px; color: var(--ink); }
.neo-col b::before {
  content: ''; display: inline-block; width: 5px; height: 5px;
  margin-right: 10px; vertical-align: 2px; background: var(--warm);
}
.neo-col i { display: block; font-style: normal; font-size: 13.5px; line-height: 2.05; color: var(--mut); }

/* 底部信息行 */
.neo-foot {
  display: flex; align-items: center; gap: 20px;
  margin: 0 -44px; padding: 21px 44px;
  background: var(--paper); border-top: 1px solid var(--line);
  transition: background 0.3s var(--ease);
}
.neo-card:hover .neo-foot { background: var(--warm-soft); }
.neo-tags { font-size: 12.5px; letter-spacing: 0.2px; color: var(--mut); }
.neo-tags i { font-style: normal; }
.neo-tags i + i::before { content: '·'; margin: 0 11px; color: #c7ccd3; }
.neo-go {
  margin-left: auto; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 9px;
  padding-bottom: 3px; font-size: 13.5px; font-weight: 700; color: var(--ink);
  border-bottom: 1px solid var(--warm);
  transition: color 0.25s var(--ease);
}
.neo-go::after { content: '→'; transition: transform 0.25s var(--ease); }
.neo-card:hover .neo-go { color: var(--warm); }
.neo-card:hover .neo-go::after { transform: translateX(5px); }

@media (max-width: 991px) {
  .neo-card { padding: 30px 26px 0; }
  .neo-top { grid-template-columns: 1fr; gap: 34px; }
  .neo-title { font-size: 22px; }
  .neo-cols { grid-template-columns: 1fr; }
  .neo-col { padding: 22px 0; }
  .neo-col + .neo-col { padding-left: 0; border-left: none; border-top: 1px solid var(--line-2); }
  .neo-foot { flex-wrap: wrap; gap: 14px; margin: 0 -26px; padding: 18px 26px; }
  .neo-go { margin-left: 0; }
}
@media (max-width: 480px) {
  .neo-title { font-size: 20px; letter-spacing: -0.4px; }
  .neo-lede { font-size: 14px; }
}


/* --- 项目详情弹窗：截图切换区 --- */
.pm-gallery {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px; margin: 0 0 28px;
}
.pm-shot {
  display: block; width: 100%; padding: 0;
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--paper); overflow: hidden; cursor: pointer;
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}
.pm-shot img { display: block; width: 100%; aspect-ratio: 2.64 / 1; object-fit: contain; background: var(--paper); }
.pm-shot:hover { border-color: var(--warm); transform: translateY(-2px); }
.pm-shot.is-active { border-color: var(--ink); }
.pm-shot.is-active::after {
  content: ''; display: block; height: 2px; background: var(--warm);
}
@media (max-width: 640px) {
  .pm-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}


/* ============================================================================
   20. 项目卡片：统一尺寸（内容多的截断、内容少的留白，整体保持对齐）
   ============================================================================ */
/* 标题固定两行高，短标题也占满两行 —— 保证所有卡片起点一致 */
.research-item .info-card h3 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.7em;          /* 20px × 1.35 × 2 行 */
  margin-bottom: 12px !important;
}
/* 正文固定四行：超出省略，不足也占满四行 —— 长短文案的卡片高度才一致 */
.research-item .info-card p {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: calc(1.85em * 4);
}
/* 「查看项目详情」永远贴在卡片底部 */
.research-item .info-card .card-more {
  margin-top: auto !important;
  padding-top: 22px;
  align-self: flex-start;     /* 金线只跟文字一样宽，不拉满整行 */
}
/* 无配图时的占位：点阵底 + 大号编号 */
.image-container.is-empty {
  display: flex; align-items: center; justify-content: center;
  background-color: var(--paper);
  background-image: radial-gradient(circle at 1px 1px, rgba(16, 18, 24, 0.07) 1px, transparent 0);
  background-size: 22px 22px;
}
.image-container.is-empty::after {
  content: attr(data-no);
  font-family: var(--mono);
  font-size: 74px; font-weight: 700; line-height: 1;
  letter-spacing: -3px;
  color: rgba(16, 18, 24, 0.075);
}
@media (max-width: 991px) {
  .research-item .info-card h3 { min-height: 0; -webkit-line-clamp: 3; }
  .research-item .info-card p { -webkit-line-clamp: 6; }
}


/* ============================================================================
   21. 学术成果 · 证书墙改良（图框加大 / 长专利名图注 / 灯箱真放大）
   ============================================================================ */
/* 卡片加大，证书看得更清楚；桌面 4 列，宽屏 5 列 */
.cert-wall { grid-template-columns: repeat(auto-fill, minmax(236px, 1fr)); gap: 20px; }
.cert-item .frame { aspect-ratio: 3 / 4; padding: 12px; }
.cert-item .frame img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }

/* 图注：主标题放专利全名，最多三行；副标题用等宽字体放专利号 */
.cert-item figcaption { padding: 13px 14px 15px; font-size: 12.5px; }
.cert-item figcaption b {
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  font-size: 13px; line-height: 1.55; letter-spacing: -0.1px;
  min-height: calc(1.55em * 2);      /* 两行起步，卡片高度才齐 */
}
.cert-item figcaption span {
  display: block; margin-top: 5px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.2px; color: var(--muted-2, #9aa1ab);
}

/* 灯箱：图片由脚本按「最多放大 3 倍」计算尺寸，这里只兜底 */
.lightbox img { max-width: 92vw; max-height: 86vh; width: auto; height: auto; }
.lightbox.is-open { cursor: zoom-out; }

@media (max-width: 991px) {
  .cert-wall { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .cert-item figcaption b { -webkit-line-clamp: 2; font-size: 12px; min-height: 0; }
}


/* ============================================================================
   22. 产品 · 师生共研（编辑式排版：细线分隔 + 等宽数字 + 金色点缀）
   ============================================================================ */
.pd-kicker { display: inline-block; font-family: var(--mono); font-size: 11.5px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--warm); }
.pd-no { display: block; margin-bottom: 14px; font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: 1.6px; color: var(--warm); }
.u { margin-left: 2px; font-size: 0.62em; font-weight: 600; color: var(--mut); letter-spacing: 0; }

/* --- 引子：左标题右正文，不用卡片 --- */
.pd-lead { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 0 60px; padding-bottom: 40px; border-bottom: 1px solid var(--line); }
.pd-lead-l h3 { margin: 14px 0 0; font-size: 30px; font-weight: 700; letter-spacing: -0.8px; line-height: 1.25; }
.pd-lead-r p { margin: 0 0 16px; font-size: 16px; line-height: 2; color: var(--mut); }
.pd-lead-r p:last-child { margin-bottom: 0; }
.pd-lead-r b { color: var(--ink); font-weight: 700; }

/* --- 四个数字 --- */
.pd-stats { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 44px; border-top: 1px solid var(--line); }
.pd-stat { padding: 30px 26px 30px 0; border-right: 1px solid var(--line); }
.pd-stat:last-child { border-right: none; }
.pd-stat b { display: block; font-family: var(--mono); font-size: 44px; font-weight: 700; line-height: 1; letter-spacing: -2px; color: var(--ink); }
.pd-stat span { display: block; margin-top: 12px; font-size: 13.5px; color: var(--mut); }

/* --- 系统组成：四栏细线分隔 --- */
.pd-pillars { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.pd-pillar { padding: 34px 28px 34px 0; border-right: 1px solid var(--line); }
.pd-pillar:last-child { border-right: none; padding-right: 0; }
.pd-pillar + .pd-pillar { padding-left: 28px; }
.pd-pillar h4 { margin: 0 0 12px; font-size: 18px; font-weight: 700; }
.pd-pillar p { margin: 0; font-size: 14.5px; line-height: 1.95; color: var(--mut); }

/* --- 全自动流程：横向五步，用细线和箭头连接 --- */
.pd-flow-wrap { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--line); }
.pd-flow { display: grid; grid-template-columns: repeat(5, 1fr); margin: 26px 0 0; padding: 0; list-style: none; }
.pd-flow li { position: relative; padding: 0 24px 0 0; }
.pd-flow li::after { content: ''; position: absolute; top: 8px; right: 12px; width: 18px; height: 1px; background: var(--line); }
.pd-flow li:last-child::after { display: none; }
.pd-fno { display: block; font-family: var(--mono); font-size: 11.5px; font-weight: 700; letter-spacing: 1.5px; color: var(--warm); }
.pd-flow b { display: block; margin: 12px 0 8px; font-size: 16.5px; font-weight: 700; }
.pd-flow i { display: block; font-style: normal; font-size: 13.5px; line-height: 1.8; color: var(--mut); }

/* --- 自动机场：两款并排，规格用定义列表 --- */
.pd-docks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.pd-dock { padding: 36px 44px 36px 0; border-right: 1px solid var(--line); }
.pd-dock:last-child { border-right: none; padding-right: 0; padding-left: 44px; }
.pd-dock-tag { display: inline-block; padding: 3px 10px; font-family: var(--mono); font-size: 11.5px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase; color: var(--warm); border: 1px solid var(--warm-2); }
.pd-dock-head h4 { margin: 18px 0 10px; font-size: 23px; font-weight: 700; letter-spacing: -0.4px; }
.pd-dock-head p { margin: 0 0 26px; font-size: 14.5px; line-height: 1.9; color: var(--mut); }
.pd-spec { margin: 0; border-top: 1px solid var(--line); }
.pd-spec > div { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; padding: 13px 0; border-bottom: 1px solid var(--line-2); }
.pd-spec dt { flex: none; font-size: 13.5px; color: var(--mut); }
.pd-spec dd { margin: 0; font-size: 14px; font-weight: 600; text-align: right; color: var(--ink); }
.pd-note { margin: 30px 0 0; padding-left: 16px; font-size: 14px; line-height: 1.95; color: var(--mut); border-left: 2px solid var(--warm); }

/* --- 控制系统五个模块 --- */
.pd-mods { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.pd-mod { padding: 30px 40px 30px 0; border-bottom: 1px solid var(--line); }
.pd-mod:nth-child(odd) { border-right: 1px solid var(--line); }
.pd-mod:nth-child(even) { padding-left: 40px; padding-right: 0; }
.pd-mod:last-child { border-bottom: none; }
.pd-mod:nth-last-child(2) { border-bottom: none; }
.pd-mod h4 { margin: 0 0 12px; font-size: 18px; font-weight: 700; }
.pd-mod p { margin: 0; font-size: 14.5px; line-height: 1.95; color: var(--mut); }

/* --- 识别能力：细线分隔的两列清单，不用圆角标签 --- */
.pd-caps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin: 40px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.pd-caps li { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding: 19px 0; border-bottom: 1px solid var(--line); }
.pd-caps li:nth-child(odd) { margin-right: 40px; }
.pd-caps b { font-size: 15.5px; font-weight: 700; color: var(--ink); }
.pd-caps span { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.3px; color: var(--muted-2, #9aa1ab); text-align: right; }

/* --- 应用领域 --- */
.pd-domains { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.pd-domain { padding: 30px 26px 30px 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pd-domain:nth-child(4n) { border-right: none; padding-right: 0; }
.pd-domain:not(:nth-child(4n+1)) { padding-left: 26px; }
.pd-domain:nth-last-child(-n+3) { border-bottom: none; }
.pd-domain h4 { margin: 0 0 14px; font-size: 17px; font-weight: 700; }
.pd-domain ul { margin: 0; padding: 0; list-style: none; }
.pd-domain li { position: relative; padding-left: 14px; margin-bottom: 8px; font-size: 14px; line-height: 1.7; color: var(--mut); }
.pd-domain li::before { content: ''; position: absolute; left: 0; top: 10px; width: 5px; height: 1px; background: var(--warm); }

/* --- 应用案例 --- */
.pd-cases { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.pd-case { padding: 32px 30px 32px 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pd-case:nth-child(3n) { border-right: none; padding-right: 0; }
.pd-case:not(:nth-child(3n+1)) { padding-left: 30px; }
.pd-case:nth-last-child(-n+3) { border-bottom: none; }
.pd-case h4 { margin: 0 0 12px; font-size: 17.5px; font-weight: 700; }
.pd-case p { margin: 0; font-size: 14.5px; line-height: 1.95; color: var(--mut); }

@media (max-width: 1199px) {
  .pd-domains { grid-template-columns: repeat(2, 1fr); }
  .pd-domain:nth-child(4n) { border-right: 1px solid var(--line); padding-right: 26px; }
  .pd-domain:nth-child(2n) { border-right: none; padding-right: 0; }
  .pd-domain:not(:nth-child(4n+1)) { padding-left: 26px; }
  .pd-domain:not(:nth-child(2n+1)) { padding-left: 26px; }
  .pd-domain:nth-last-child(-n+3) { border-bottom: 1px solid var(--line); }
  .pd-domain:nth-last-child(-n+2) { border-bottom: none; }
  .pd-cases { grid-template-columns: repeat(2, 1fr); }
  .pd-case:nth-child(3n) { border-right: 1px solid var(--line); padding-right: 30px; }
  .pd-case:nth-child(2n) { border-right: none; padding-right: 0; }
  .pd-case:nth-last-child(-n+3) { border-bottom: 1px solid var(--line); }
  .pd-case:nth-last-child(-n+2) { border-bottom: none; }
}
@media (max-width: 991px) {
  .pd-lead { grid-template-columns: 1fr; gap: 18px; }
  .pd-lead-l h3 { font-size: 25px; }
  .pd-stats, .pd-pillars, .pd-domains { grid-template-columns: repeat(2, 1fr); }
  .pd-pillar, .pd-stat { border-right: none; padding: 22px 0; border-bottom: 1px solid var(--line); }
  .pd-pillar + .pd-pillar, .pd-domain:not(:nth-child(4n+1)) { padding-left: 0; }
  .pd-pillar:nth-last-child(-n+2), .pd-domain:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
  .pd-stat { padding: 22px 0; }
  .pd-stat b { font-size: 34px; }
  .pd-flow { grid-template-columns: 1fr; }
  .pd-flow li { padding: 0 0 22px 0; }
  .pd-flow li::after { display: none; }
  .pd-docks { grid-template-columns: 1fr; }
  .pd-dock, .pd-dock:last-child { padding: 28px 0; border-right: none; border-bottom: 1px solid var(--line); }
  .pd-dock:last-child { border-bottom: none; }
  .pd-mods { grid-template-columns: 1fr; }
  .pd-mod, .pd-mod:nth-child(even) { padding: 26px 0; border-right: none; }
  .pd-caps { grid-template-columns: 1fr; }
  .pd-caps li:nth-child(odd) { margin-right: 0; }
  .pd-domains { grid-template-columns: 1fr; }
  .pd-domain, .pd-domain:nth-child(2n) { padding: 22px 0; border-right: none; border-bottom: 1px solid var(--line); }
  .pd-domain:last-child { border-bottom: none; }
  .pd-cases { grid-template-columns: 1fr; }
  .pd-case, .pd-case:nth-child(2n), .pd-case:nth-child(3n) { padding: 26px 0; border-right: none; border-bottom: 1px solid var(--line); }
  .pd-case:last-child { border-bottom: none; }
}


/* ============================================================================
   23. 移动端触控优化（点击区域 >= 44x44，符合 iOS / Android 人机界面指南）
   ============================================================================ */
@media (max-width: 991px) {
  /* 汉堡菜单按钮 40 → 44 */
  .mobileMenu .menu-trigger,
  a.menu-trigger {
    width: 44px !important;
    height: 44px !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
  }
  /* 语言切换 40 → 44 高 */
  .lang-switch { display: flex; }
  .lang-switch button { min-height: 44px; padding-left: 14px; padding-right: 14px; }
  /* 导航项 42 → 46 高，更好按 */
  .mainMenu a { min-height: 46px; display: flex; align-items: center; }
  /* 「查看全部项目 / 查看全部动态」30 → 44 高 */
  .sec-more {
    min-height: 44px;
    display: inline-flex !important;
    align-items: center;
    padding-top: 0;
  }
  /* 站内 logo 也可点，给足高度 */
  .logo a { display: inline-flex; align-items: center; min-height: 44px; }
}

/* 触控设备上取消 hover 位移，避免点击后元素「跳」一下 */
@media (hover: none) {
  .cert-item:hover { transform: none; }
  .research-link:hover .research-item { transform: none; }
  .cert-item:hover .frame img { transform: none; }
}

@media (max-width: 991px) {
  /* 筛选按钮 42 → 46 高 */
  .wall-filter { min-height: 46px; }
  /* 面包屑链接 26x20 → 44 高（横幅内空间充足） */
  .pageBreadCum a { display: inline-flex; align-items: center; min-height: 44px; }
  .pageBreadCum { display: flex; align-items: center; flex-wrap: wrap; gap: 2px; }
  /* 证书卡在手机上不再强制两行高，图注更紧凑 */
  .cert-item figcaption { padding: 11px 12px 13px; }
  .cert-item figcaption b { -webkit-line-clamp: 3; min-height: 0; font-size: 12.5px; }
}


/* ============================================================================
   24. 手机端专用：顶部导航改为「模块直接铺开」+ 团队头像完整显示
   （全部包在 max-width:991px 里，桌面端不受任何影响）
   ============================================================================ */
@media (max-width: 991px) {

  /* ---------- 1) 顶部：去掉中英文切换，腾出位置直接铺开各模块 ---------- */
  .header01 .lang-switch { display: none !important; }

  .header01 .navArea {
    flex-wrap: wrap;
    min-height: 0 !important;
    padding: 10px 0 0 !important;
    align-items: center;
    row-gap: 0;
  }
  .header01 .logo { flex: 1 1 auto; margin: 0 !important; padding: 0 !important; border: none !important; }
  .header01 .logo img { height: 32px !important; }

  /* 模块全部平铺，就不需要汉堡了 */
  .header01 .mobileMenu { display: none !important; }
  .header01 .nav-cta { display: none !important; }

  /* 导航换到第二行，铺满整宽 */
  .header01 .mainMenu {
    display: block !important;
    position: static !important;
    order: 3;
    flex: 0 0 100%;
    width: 100% !important;
    margin: 8px 0 0 !important;
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
    border-top: 1px solid var(--line) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    z-index: auto !important;
  }
  .header01.is-over .mainMenu { border-top-color: var(--on-dark-line) !important; }

  /* responsive.css 把这里设成了 column，必须显式覆盖回横向。
     放不下时横向滚动，而不是换行 —— 头部才能保持一行高，不会盖住首屏。 */
  .header01 .mainMenu ul {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    justify-content: flex-start !important;
    align-items: center !important;
    gap: 0 2px;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1 !important;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .header01 .mainMenu ul::-webkit-scrollbar { display: none; height: 0; }
  .header01 .mainMenu ul > li { flex: 0 0 auto !important; }
  .header01 .mainMenu > ul > li,
  .header01 .mainMenu ul li {
    display: block !important;
    width: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    margin-bottom: 0 !important;
  }

  /* 每一项都是完整的点击区域，高 44px 以上 */
  .header01 .mainMenu ul li a {
    display: flex !important;
    align-items: center;
    min-height: 42px !important;
    padding: 0 7px !important;
    font-size: 12.5px !important;
    font-weight: 500;
    letter-spacing: 0.2px;
    color: #4a4f58 !important;
    border-bottom: none !important;
    white-space: nowrap;
  }
  .header01.is-over .mainMenu ul li a { color: var(--on-dark-2) !important; }
  .header01 .mainMenu ul li a.active { color: var(--ink) !important; font-weight: 700 !important; }
  .header01.is-over .mainMenu ul li a.active { color: var(--white) !important; }

  /* 当前页的金色下划线收窄，贴合文字 */
  .header01 .mainMenu > ul > li > a.active::after {
    left: 7px !important; right: 7px !important; bottom: 5px !important;
  }

  /* 万一 menu-is-open 仍被触发，保持平铺而不是弹出 */
  .header01 .mainMenu.menu-is-open {
    display: block !important;
    position: static !important;
    width: 100% !important;
    background: transparent !important;
    border: none !important;
    border-top: 1px solid var(--line) !important;
    box-shadow: none !important;
  }

  /* 首页头部是绝对定位覆盖在首屏上的，头部变高就要给首屏补足顶部空间 */
  .hero .hero-inner { padding-top: 132px !important; }

  /* ---------- 2) 团队头像：按原图比例完整显示，不再裁成一条 ---------- */
  .team_thumb img {
    aspect-ratio: auto !important;
    height: auto !important;
    width: 100%;
    object-fit: contain !important;
    object-position: center top !important;
  }
  .team_thumb { background: var(--paper); }
}


/* ============================================================================
   25. 产品页：产品列表卡片 + 详情弹窗（可扩展 —— 加产品只需改 data/products.json）
   ============================================================================ */
/* --- 列表：三列，封面 16:10 --- */
.pd-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.pd-card {
    display: flex; flex-direction: column; padding: 0; text-align: left;
    font-family: inherit; background: var(--white); border: 1px solid var(--line);
    border-radius: var(--r); overflow: hidden; cursor: pointer;
    transition: border-color 0.26s var(--ease), transform 0.26s var(--ease);
}
.pd-card:hover { border-color: var(--warm); transform: translateY(-4px); }
.pd-card-media { position: relative; display: block; aspect-ratio: 2.64 / 1; background: var(--paper); overflow: hidden; }
.pd-card-media img { width: 100%; height: 100%; object-fit: contain; display: block; transition: transform 0.6s var(--ease); }
.pd-card:hover .pd-card-media img { transform: scale(1.04); }
.pd-card-no {
    position: absolute; left: 0; top: 0; padding: 7px 12px;
    font-family: var(--mono); font-size: 11.5px; font-weight: 700; letter-spacing: 1.4px;
    color: var(--ink); background: rgba(255, 255, 255, 0.92);
}
.pd-card-body { display: flex; flex-direction: column; flex: 1; padding: 22px 24px 24px; }
.pd-card-body b { font-size: 18.5px; font-weight: 700; letter-spacing: -0.3px; color: var(--ink); line-height: 1.4; }
.pd-card-body i { margin-top: 9px; font-style: normal; font-size: 13.5px; line-height: 1.7; color: var(--mut); }
.pd-card-body em {
    margin-top: auto; padding-top: 20px; align-self: flex-start;
    font-style: normal; font-size: 12.5px; font-weight: 700; letter-spacing: 0.3px;
    color: var(--muted-2, #9aa1ab); border-bottom: 1px solid transparent;
    transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}
.pd-card:hover .pd-card-body em { color: var(--warm); border-bottom-color: var(--warm); }

/* --- 弹窗 --- */
.pd-modal { position: fixed; inset: 0; z-index: 2600; display: none; background: rgba(10, 11, 15, 0.72); backdrop-filter: blur(3px); }
.pd-modal.is-open { display: block; }
.pd-modal-close {
    position: absolute; top: 22px; right: 24px; z-index: 3;
    width: 46px; height: 46px; display: flex; align-items: center; justify-content: center;
    font-size: 26px; line-height: 1; color: var(--white);
    background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.26);
    border-radius: var(--r); cursor: pointer;
}
.pd-modal-close:hover { background: rgba(255, 255, 255, 0.22); }
.pm-scroll { position: absolute; inset: 0; overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 66px 24px 60px; }
.pm-body {
    max-width: 1000px; margin: 0 auto; padding: 44px 52px 52px;
    background: var(--white); border-radius: var(--r);
}
.pm-head h2 { margin: 0; font-size: 30px; font-weight: 700; letter-spacing: -0.8px; line-height: 1.3; }
.pm-tag { margin: 12px 0 0; font-family: var(--mono); font-size: 12px; letter-spacing: 1.4px; text-transform: uppercase; color: var(--warm); }
.pm-desc { margin: 26px 0 0; font-size: 15.5px; line-height: 2; color: var(--mut); }
.pm-stats { display: grid; grid-template-columns: repeat(4, 1fr); margin: 34px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.pm-stats li { padding: 24px 20px 24px 0; border-right: 1px solid var(--line); }
.pm-stats li:last-child { border-right: none; }
.pm-stats b { display: block; font-family: var(--mono); font-size: 34px; font-weight: 700; line-height: 1; letter-spacing: -1.6px; color: var(--ink); }
.pm-stats .u { margin-left: 2px; font-size: 0.55em; color: var(--mut); }
.pm-stats span { display: block; margin-top: 10px; font-size: 13px; color: var(--mut); }
.pm-cover { margin: 34px 0 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--paper); }
.pm-cover img { display: block; width: auto; max-width: 100%; height: auto; max-height: min(620px, 64vh); margin: 0 auto; object-fit: contain; }
.pm-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 12px; }
.pm-shot { padding: 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--paper); cursor: pointer; transition: border-color 0.2s var(--ease); }
.pm-shot img { display: block; width: 100%; aspect-ratio: 2.64 / 1; object-fit: cover; }
.pm-shot:hover, .pm-shot.is-active { border-color: var(--warm); }
.pm-shot.is-active { box-shadow: 0 0 0 1px var(--warm); }
.pm-sub { margin: 46px 0 0; padding-bottom: 16px; font-size: 20px; font-weight: 700; letter-spacing: -0.3px; border-bottom: 1px solid var(--line); }
.pm-models { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; }
.pm-model { padding: 28px 34px 28px 0; border-right: 1px solid var(--line); }
.pm-model:last-child { border-right: none; padding-right: 0; padding-left: 34px; }
.pm-model-tag { display: inline-block; padding: 3px 10px; font-family: var(--mono); font-size: 11.5px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase; color: var(--warm); border: 1px solid var(--warm-2); }
.pm-model h4 { margin: 16px 0 10px; font-size: 20px; font-weight: 700; }
.pm-model p { margin: 0 0 22px; font-size: 14px; line-height: 1.9; color: var(--mut); }
.pm-spec { margin: 0; border-top: 1px solid var(--line); }
.pm-spec > div { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line-2); }
.pm-spec dt { flex: none; font-size: 13.5px; color: var(--mut); }
.pm-spec dd { margin: 0; font-size: 14px; font-weight: 600; text-align: right; color: var(--ink); }
.pm-mods, .pm-cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pm-mod, .pm-case { padding: 26px 34px 26px 0; border-bottom: 1px solid var(--line); }
.pm-mod:nth-child(odd), .pm-case:nth-child(odd) { border-right: 1px solid var(--line); }
.pm-mod:nth-child(even), .pm-case:nth-child(even) { padding-left: 34px; padding-right: 0; }
.pm-no { display: block; margin-bottom: 10px; font-family: var(--mono); font-size: 11.5px; font-weight: 700; letter-spacing: 1.5px; color: var(--warm); }
.pm-mod h4, .pm-case h4 { margin: 0 0 10px; font-size: 17px; font-weight: 700; }
.pm-mod p, .pm-case p { margin: 0; font-size: 14px; line-height: 1.9; color: var(--mut); }
.pm-domains { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.pm-domain { padding: 22px 20px 22px 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pm-domain:nth-child(4n) { border-right: none; padding-right: 0; }
.pm-domain:not(:nth-child(4n+1)) { padding-left: 20px; }
.pm-domain:last-child, .pm-domain:nth-last-child(2), .pm-domain:nth-last-child(3) { border-bottom: none; }
.pm-domain h4 { margin: 0 0 12px; font-size: 16px; font-weight: 700; }
.pm-domain ul { margin: 0; padding: 0; list-style: none; }
.pm-domain li { position: relative; padding-left: 13px; margin-bottom: 7px; font-size: 13.5px; line-height: 1.7; color: var(--mut); }
.pm-domain li::before { content: ''; position: absolute; left: 0; top: 9px; width: 5px; height: 1px; background: var(--warm); }

@media (max-width: 991px) {
  .pd-grid { grid-template-columns: 1fr; gap: 18px; }
  .pd-card-media { aspect-ratio: 2.64 / 1; }
  .pm-scroll { padding: 58px 0 0; }
  .pm-body { padding: 26px 18px 40px; border-radius: 0; }
  .pm-head h2 { font-size: 23px; }
  .pm-stats { grid-template-columns: repeat(2, 1fr); }
  .pm-stats li { border-right: none; padding: 18px 0; border-bottom: 1px solid var(--line); }
  .pm-stats li:nth-last-child(-n+2) { border-bottom: none; }
  .pm-stats b { font-size: 28px; }
  .pm-gallery { grid-template-columns: repeat(3, 1fr); }
  .pm-models, .pm-mods, .pm-cases { grid-template-columns: 1fr; }
  .pm-model, .pm-model:last-child, .pm-mod, .pm-mod:nth-child(even), .pm-case, .pm-case:nth-child(even) { padding: 22px 0; border-right: none; }
  .pm-domains { grid-template-columns: repeat(2, 1fr); }
  .pm-domain:nth-child(4n) { border-right: 1px solid var(--line); padding-right: 20px; }
  .pm-domain:nth-child(2n) { border-right: none; padding-right: 0; }
  .pm-domain:nth-last-child(-n+3) { border-bottom: 1px solid var(--line); }
  .pm-domain:nth-last-child(-n+2) { border-bottom: none; }
}
@media (max-width: 575px) {
  .pm-gallery { grid-template-columns: repeat(2, 1fr); }
  .pm-domains { grid-template-columns: 1fr; }
  .pm-domain, .pm-domain:nth-child(2n) { padding: 18px 0; border-right: none; border-bottom: 1px solid var(--line); }
  .pm-domain:last-child { border-bottom: none; }
}


/* ============================================================================
   26. 字体方案 D：霞鹜文楷（中文） + Newsreader（拉丁）
   ---------------------------------------------------------------------------
   字体已本地部署在 fonts/ 目录，不依赖任何外部 CDN，离线可用。
   中文字体只打包了网站实际用到的 1231 个字符，全套仅约 614 KB。
   ============================================================================ */

/* 中文字体：见 css/fonts.css（分块声明，此处不再重复）*/
:root {
  /* 拉丁在前、中文在后：一个字一个字体地回退，中英混排各取所长 */
  --font: 'INL Latin', 'INL Han', 'PingFang SC', 'Hiragino Sans GB',
          'Microsoft YaHei UI', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  --serif: 'INL Latin', 'INL Han', Georgia, 'Songti SC', 'SimSun', serif;
  /* 等宽仍用系统字体：编号 / 日期 / 参数用它，和正文形成技术感的对比 */
  --mono: ui-monospace, SFMono-Regular, 'SF Mono', Consolas, 'Liberation Mono', monospace;
}

/* --- 字重体系：四档，不再零散 --- */
body { font-weight: 400; }
/* 大标题 / 区块标题 */
h1, h2, .banner-title, .sec-head h2, .cta h2, .pm-head h2,
.pd-lead-l h3, .hero-title { font-weight: 700; }
/* 小标题 / 卡片标题 / 强调 */
h3, h4, h5, h6,
.research-item .info-card h3, .cert-item figcaption b, .pd-card-body b,
.news-card h3, .pd-pillar h4, .pd-mod h4, .pm-mod h4, .pm-case h4,
.mentor-card h3, .pd-dock-head h4 { font-weight: 700; }
/* 正文与说明统一 400，靠字号和颜色拉层次，不靠细体 */
p, li, dd, dt, figcaption, .banner-en, .pd-kicker, .pd-no { font-weight: 400; }

/* --- 楷体在屏幕上笔画偏细，正文稍加字距更透气 --- */
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
p, li, dd { letter-spacing: 0.012em; }

/* --- 小字号补偿：楷体在 13px 以下发虚，统一抬到 13px 起 --- */
.cert-item figcaption span,
.pm-spec dt, .pd-spec dt, .pd-caps span, .pm-stats span,
.news-date, .pub-count, .wall-tip { min-font-size: 12px; }


/* ============================================================================
   27. 实验室概况：航拍视频背景
   ============================================================================ */
.about-video { position: relative; overflow: hidden; background: var(--ink); }
.about-video-bg { position: absolute; inset: 0; z-index: 0; }
.about-video-bg video { display: block; width: 100%; height: 100%; object-fit: cover; }
/* 深色蒙版：保证文字在航拍画面上依然清楚 */
.about-video::after {
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(16,18,24,0.86) 0%, rgba(16,18,24,0.72) 42%, rgba(16,18,24,0.9) 100%),
    radial-gradient(900px 420px at 18% 12%, rgba(16,18,24,0.5), transparent 70%);
}
.about-video .container { position: relative; z-index: 2; }

/* 该区块整体改为深色皮肤：文字浅色，卡片改为半透明玻璃 */
.about-video .sec-head { border-bottom-color: var(--on-dark-line); }
.about-video .sec-head h2 { color: var(--white); }
.about-video .sec-head p { color: var(--on-dark-2); }

.about-video .about-main p { color: var(--on-dark-3); }
.about-video .about-main p:first-child { color: var(--on-dark); }

.about-video .side-block {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--on-dark-line);
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
}
.about-video .side-label { color: var(--warm-2); }
.about-video .side-block p { color: var(--on-dark-2); }
.about-video .comp-list li { color: var(--on-dark-2); }
.about-video .comp-list li b { color: var(--white); }
.about-video .comp-list li span { color: var(--on-dark-2); }

/* 视频没加载出来时的兜底底色 */
@media (prefers-reduced-motion: reduce) {
  .about-video-bg video { display: none; }
  .about-video { background: var(--ink); }
}

/* ---------------------------------------------------------------------------
   手机端：同样播视频。竖屏下 16:9 画面只能取中段，
   用 object-position 把镜头压在楼体上，并把蒙版调淡一点让画面透出来。
   --------------------------------------------------------------------------- */
@media (max-width: 991px) {
  .about-video-bg video { object-position: center 42%; }
  .about-video::after {
    background: linear-gradient(180deg, rgba(16,18,24,0.8) 0%, rgba(16,18,24,0.66) 45%, rgba(16,18,24,0.86) 100%);
  }
}


/* ============================================================================
   28. 实验室动态：正文配图区
   ============================================================================ */
.news-modal-gallery { display: flex; flex-direction: column; gap: 18px; margin-top: 30px; }
.news-shot { margin: 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--paper); }
.news-shot img { display: block; width: 100%; height: auto; }
@media (max-width: 991px) {
  .news-modal-gallery { gap: 12px; margin-top: 22px; }
}