/* Project intro page */
.p-intro {
  padding: 80px 0 100px;
  position: relative;
  z-index: 1;
  /* 主内容 85% 居中 */
  width: 85%;
  max-width: 1360px;
  margin: 0 auto;
}

/* 项目背景层（默认纹理底；有图时显示黑白图 + 80% 黑遮罩） */
.p-intro__bg {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  background-color: var(--bg, #131313);   /* 受 settings.site_bg_color 影响 */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  pointer-events: none;
  display: block;
  background-image:
    radial-gradient(ellipse at 25% 20%, rgba(255, 255, 255, 0.04), transparent 55%),
    radial-gradient(ellipse at 75% 75%, rgba(230, 57, 70, 0.05), transparent 55%);
}
.p-intro__bg.is-on {
  /* 有图时把图转成黑白，整体亮度仍由 ::after 80% 黑遮罩压低 */
  filter: grayscale(1) contrast(1.05);
}
.p-intro__bg::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.6);     /* 60% 黑色遮罩 */
}

/* 入场 / 退出动画 */
@keyframes pIntroFadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.p-intro__evidence,
.p-intro__sidebar,
.p-intro__main,
.p-intro__evidence-log,
.p-intro__more {
  animation: pIntroFadeUp .32s cubic-bezier(.2,.8,.25,1) both;
}
.p-intro__evidence       { animation-delay: .04s; }
.p-intro__sidebar        { animation-delay: .08s; }
.p-intro__main           { animation-delay: .12s; }
.p-intro__evidence-log   { animation-delay: .18s; }
.p-intro__more           { animation-delay: .22s; }
/* close 按钮单独 fade，避免 keyframe 的 transform 覆盖 translateX(-50%) 居中 */
@keyframes pIntroCloseFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.p-intro__close {
  animation: pIntroCloseFade .32s cubic-bezier(.2,.8,.25,1) both;
}
/* 简介页 main 内的 psec 不再单独 stagger，沿用 main 整体入场（避免大量 paint） */
body.is-leaving .p-intro > * {
  transition: opacity .26s cubic-bezier(.4,.1,.25,1), transform .3s cubic-bezier(.4,.1,.25,1);
  opacity: 0;
  transform: translateY(8px);
}
body.is-leaving .p-intro__close {
  /* close 是 fixed + translateX(-50%) 居中，离开时只 fade，不覆盖 transform */
  transition: opacity .26s cubic-bezier(.4,.1,.25,1);
  opacity: 0;
  transform: translateX(-50%);
}

/* 关闭简介页 → 首页：整个 p-intro 缩小 + fade（"画面缩成卡片"感觉） */
body.is-leaving-home .p-intro {
  transition: opacity .42s cubic-bezier(.65,.02,.2,1), transform .48s cubic-bezier(.65,.02,.2,1), filter .42s;
  transform-origin: center 35%;     /* 缩往首页项目卡片大致所在位置（屏幕上 1/3） */
  transform: scale(0.78) translateY(-8%);
  opacity: 0;
  filter: blur(2px);
}
body.is-leaving-home .p-intro > * {
  transform: none !important;
  opacity: 1 !important;
  transition: none !important;
}
body.is-leaving-home .p-intro__close {
  transition: opacity .25s;
  opacity: 0;
  transform: translateX(-50%) !important;
}
body.is-leaving-home .p-intro__bg {
  transition: opacity .42s;
  opacity: 0;
}
/* 项目切换：左右滑出 */
body.is-leaving-left .p-intro > *,
body.is-leaving-left .project.p-full {
  transform: translateX(-40px) !important;
}
body.is-leaving-right .p-intro > *,
body.is-leaving-right .project.p-full {
  transform: translateX(40px) !important;
}
/* close 始终保持居中（不参与 left/right 平移） */
body.is-leaving-left .p-intro__close,
body.is-leaving-right .p-intro__close {
  transform: translateX(-50%) !important;
  opacity: 0;
  transition: opacity .26s;
}
body.is-leaving-left .project.p-full,
body.is-leaving-right .project.p-full {
  transition: opacity .28s, transform .3s cubic-bezier(.4,.1,.25,1);
  opacity: 0;
}

/* 项目切换：从对应方向滑入 */
@keyframes pIntroSlideInFromRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes pIntroSlideInFromLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}
body[data-enter-dir="right"] .p-intro__evidence,
body[data-enter-dir="right"] .p-intro__sidebar,
body[data-enter-dir="right"] .p-intro__main,
body[data-enter-dir="right"] .p-intro__evidence-log,
body[data-enter-dir="right"] .p-intro__more {
  animation-name: pIntroSlideInFromRight;
}
body[data-enter-dir="left"] .p-intro__evidence,
body[data-enter-dir="left"] .p-intro__sidebar,
body[data-enter-dir="left"] .p-intro__main,
body[data-enter-dir="left"] .p-intro__evidence-log,
body[data-enter-dir="left"] .p-intro__more {
  animation-name: pIntroSlideInFromLeft;
}

/* 顶部 CLOSE TERMINAL 按钮（居中，类似参考站） */
.p-intro__close {
  position: fixed;
  top: 24px; left: 50%;
  transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--border-strong);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--text);
  text-transform: uppercase;
  z-index: 70;
  transition: background .25s, border-color .25s, color .25s;
  cursor: pointer;
}
.p-intro__close::before {
  content: '×';
  font-size: 14px;
  letter-spacing: 0;
  color: var(--accent);
}
.p-intro__close:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.p-intro__close:hover::before { color: #fff; }

/* EVIDENCE 头条：粗白色分隔线 + 左红字双行（第一行更大） + 右白底黑字按钮 */
.p-intro__evidence {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 24px;
  margin: 40px 0 4px;
  padding-bottom: 14px;             /* 22→14：分割线整体上移 8px */
  border-bottom: 2px solid rgba(255, 255, 255, 0.78);
}
.p-intro__evidence-left {
  font-family: var(--font-mono);
  letter-spacing: 0.28em;
}
.p-intro__evidence-no {
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.p-intro__evidence-no .evidence-line1 {
  color: var(--accent);
  font-size: 18px;                  /* 11→18：第一行字号加大 */
  font-weight: 700;
  letter-spacing: 0.22em;
  line-height: 1.1;
}
.p-intro__evidence-no .evidence-line2 {
  color: var(--accent);
  font-size: 11px;                  /* 缩成第二行小字 */
  font-weight: 500;
  letter-spacing: 0.28em;
}
.p-intro__category {
  display: inline-flex; align-items: center;
  padding: 7px 16px;
  background: #fff;
  color: #000;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  font-weight: 500;
}

/* 主体布局：左 sidebar 缩窄 + 右 main 加宽 */
/* 整个 sidebar 卡片（含背景/边框/项目资料标题）距分割线 70px */
.p-intro__layout {
  display: grid;
  grid-template-columns: 256px 1fr;
  gap: 44px;
  margin-top: 70px;                   /* 整个布局下移：sidebar 卡片 + main 内容都距分割线 70px */
  align-items: flex-start;
}

.p-intro__sidebar {
  position: sticky;
  top: 30px;
  background: rgba(20, 20, 20, 0.85);
  border: 1px solid var(--border);
  padding: 22px 20px;                 /* 还原正常 padding，不再用 padding 顶撑下移 */
  font-family: var(--font-mono);
}
/* sidebar-head 不占内部高度：浮在 sidebar 上方（让 main 第一图顶端 = sidebar meta-list 顶端） */
.p-intro__sidebar-head {
  position: absolute;
  top: -22px;
  left: 0;
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--text-faint);
  padding: 0;
  border: none;
  margin: 0;
  text-transform: uppercase;
}
.p-intro__meta-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.p-intro__meta-list > div {
  display: grid;
  grid-template-columns: 90px 1fr;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  align-items: center;
}
.p-intro__meta-list > div:last-child { border-bottom: none; }
.p-intro__meta-list dt {
  color: var(--text-faint);
  letter-spacing: 0.22em;
  font-size: 9px;
  text-transform: uppercase;
}
.p-intro__meta-list dd {
  color: var(--text);
  letter-spacing: 0.06em;
  font-weight: 500;
}

.p-intro__sidebar-section {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.p-intro__sidebar-lab {
  font-size: 9px;
  letter-spacing: 0.28em;
  color: var(--text-faint);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.p-intro__sidebar-tags {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.p-intro__sidebar-tags span {
  border: 1px solid var(--border-strong);
  padding: 9px 4px;
  text-align: center;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--text);
  transition: all .22s;
}
.p-intro__sidebar-tags span:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* ACCESS SITE 大按钮 */
.p-intro__access {
  display: flex;
  width: 100%;
  margin-top: 22px;
  padding: 16px 18px;
  background: #fff;
  color: #000;
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  align-items: center;
  justify-content: center;
  transition: background .25s, color .25s;
}
.p-intro__access:hover { background: var(--accent); color: #fff; }

/* 进入沉浸模式 CTA（透明 + 红字框） */
.p-intro__cta {
  display: inline-flex; align-items: center; gap: 14px;
  width: 100%;
  margin-top: 12px;
  padding: 13px 18px;
  border: 1.5px solid var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  justify-content: space-between;
  transition: all .3s;
}
.p-intro__cta:hover { background: var(--accent); color: #fff; }
.p-intro__cta .arr { transition: transform .35s; }
.p-intro__cta:hover .arr { transform: translateX(6px); }

/* 右侧 main：blocks 容器（顶端对齐 sidebar 卡片顶端，由 layout margin-top 70 提供间距） */
.p-intro__main {
  min-height: 100vh;
  padding-top: 0;
}
.p-intro__blocks {
  display: flex;
  flex-direction: column;
  gap: 0;                   /* 取消固定间距，由相邻模块类型决定（见 sibling 规则） */
}
/* 简介页 .psec 必须重置详情页全局 .psec 规则：
   1) min-height: 100vh → 0  让模块按内容自然撑开
   2) padding 80px → 0       简介页有自己的内边距方案
   3) flex justify-center → block  避免内容被居中拉伸到 1 屏
   4) border-bottom 白线 → none */
.p-intro__main .psec,
.p-intro__blocks > .psec {
  min-height: 0;
  padding: 0;
  display: block;
  border: none !important;
  background: transparent;
  justify-content: initial;
  margin-top: 0;
}
/* 强制简介页所有图/视频 max-height 80vh，等比缩放居中（不论 single-img / gallery / strip / multitall / imgtext / dual） */
.p-intro__main .psec img,
.p-intro__main .psec video {
  max-height: 80vh;
  width: auto;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  margin-left: auto;
  margin-right: auto;
}
/* 第一个模块顶到顶（无任何上间距） */
.p-intro__blocks > :first-child { margin-top: 0; padding-top: 0; }
.p-intro__blocks > .psec--single-img:first-child > .img-frame { margin-top: 0; }

/* 邻接模块按"前后类型"决定间距（每条 +20px 整体放宽） */
/* 默认：相邻不同类型 49px */
.p-intro__blocks > .psec + .psec { margin-top: 49px; }
/* 图与图相邻：33px */
.p-intro__blocks > .psec--single-img + .psec--single-img,
.p-intro__blocks > .psec--single-img + .psec--gallery,
.p-intro__blocks > .psec--gallery + .psec--single-img,
.p-intro__blocks > .psec--gallery + .psec--gallery {
  margin-top: 33px;
}
/* 文字与文字相邻：宽松 61px */
.p-intro__blocks > .psec--text-v2 + .psec--text-v2 {
  margin-top: 61px;
}
/* 文字 → 图片 / 图片 → 文字：53px */
.p-intro__blocks > .psec--text-v2 + .psec--single-img,
.p-intro__blocks > .psec--text-v2 + .psec--gallery,
.p-intro__blocks > .psec--single-img + .psec--text-v2,
.p-intro__blocks > .psec--gallery + .psec--text-v2 {
  margin-top: 53px;
}
/* link block 当作文字处理 */
.p-intro__blocks > .psec--link + .psec,
.p-intro__blocks > .psec + .psec--link {
  margin-top: 53px;
}

/* 模块 section（统一样式） */
.p-intro__main .psec {
  position: relative;
}
/* 标题 - 红色 ">> " 前缀 */
.p-intro__main .psec h2,
.p-intro__main .psec h3,
.p-intro__main .psec__caption h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.26em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 14px;
  font-weight: 500;
}
.p-intro__main .psec h2::before,
.p-intro__main .psec h3::before,
.p-intro__main .psec__caption h3::before {
  content: '>> ';
  color: var(--accent);
  margin-right: 4px;
}
/* 文字 block 正文 */
.p-intro__main .psec--text-v2 {
  max-width: 100%;
}
/* 简介页所有标题：>> 红字 + 标题文字 在同一行 */
.p-intro__main .psec h2,
.p-intro__main .psec h3,
.p-intro__main .psec__caption h3,
.p-intro__main .psec--text-v2 h2 {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  line-height: 1.4;
  margin-bottom: 16px;
}
.p-intro__main .psec h2::before,
.p-intro__main .psec h3::before,
.p-intro__main .psec__caption h3::before,
.p-intro__main .psec--text-v2 h2::before {
  content: '>>';
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--accent);
  display: inline;
}
.p-intro__main .psec--text-v2 .text-body p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
  margin-bottom: 14px;
  max-width: 720px;
}
.p-intro__main .psec--text-v2 .text-body p:last-child { margin-bottom: 0; }

/* 图片 block - 角框默认在图片外（留间距）；hover 出现红外框 + 角框继续外扩一倍 */
.p-intro__main .psec--single-img,
.p-intro__main .psec--gallery {
  --img-corner-base: 10px;      /* 默认：角框相对图片向外偏移 10px */
  --img-corner-hover: 22px;     /* hover：再向外扩到 22px（外扩一倍距离） */
  --img-corner-size: 22px;
  --img-corner-hover-size: 28px;
}
.p-intro__main .psec--single-img {
  position: relative;
  margin: 0;
  text-align: center;
  line-height: 0;
}
.p-intro__main .psec--single-img > h3 { line-height: 1.3; }
/* img-frame 不撑满列宽：display inline-block 让宽度收缩到 img 实际渲染尺寸，
   这样 corner / red-box 紧贴真实图片，而不是父容器（占位符） */
.p-intro__main .psec--single-img .img-frame {
  position: relative;
  display: inline-block;
  max-width: 100%;
  line-height: 0;
  isolation: isolate;
  vertical-align: top;
}
.p-intro__main .psec--single-img .img-frame img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 80vh;             /* 不超过屏幕高度 80% */
  width: auto;
  margin: 0 auto;
  transition: filter .35s;
}
/* hover：红外框出现在原角框位置（图片外 10px） */
.p-intro__main .psec--single-img .img-frame::after,
.p-intro__main .psec--gallery .img-frame::after {
  content: '';
  position: absolute;
  inset: calc(-1 * var(--img-corner-base));   /* 红框包到原角框那个位置 */
  border: 1.5px solid var(--accent);
  pointer-events: none;
  opacity: 0;
  transform: scale(0.985);
  transition: opacity .3s cubic-bezier(.2,.8,.25,1),
              transform .35s cubic-bezier(.2,.8,.25,1);
  z-index: 1;
}
.p-intro__main .psec--single-img .img-frame:hover::after,
.p-intro__main .psec--gallery .img-frame:hover::after {
  opacity: 1;
  transform: scale(1);
}
/* 角框默认在图片外 10px（留一点距离） */
.p-intro__main .psec--single-img .corner-tl,
.p-intro__main .psec--single-img .corner-br,
.p-intro__main .psec--gallery .corner-tl,
.p-intro__main .psec--gallery .corner-br {
  position: absolute;
  width: var(--img-corner-size);
  height: var(--img-corner-size);
  border: 1.5px solid var(--accent);
  pointer-events: none;
  z-index: 2;
  transition: width .35s cubic-bezier(.2,.8,.25,1),
              height .35s cubic-bezier(.2,.8,.25,1),
              top .35s cubic-bezier(.2,.8,.25,1),
              left .35s cubic-bezier(.2,.8,.25,1),
              right .35s cubic-bezier(.2,.8,.25,1),
              bottom .35s cubic-bezier(.2,.8,.25,1);
}
.p-intro__main .psec--single-img .corner-tl,
.p-intro__main .psec--gallery .corner-tl {
  top: calc(-1 * var(--img-corner-base));
  left: calc(-1 * var(--img-corner-base));
  border-right: none; border-bottom: none;
}
.p-intro__main .psec--single-img .corner-br,
.p-intro__main .psec--gallery .corner-br {
  bottom: calc(-1 * var(--img-corner-base));
  right: calc(-1 * var(--img-corner-base));
  border-left: none; border-top: none;
}
/* hover：角框向外再扩一倍距离（10 → 22px），同时尺寸略加大 */
.p-intro__main .psec--single-img .img-frame:hover .corner-tl,
.p-intro__main .psec--gallery .img-frame:hover .corner-tl {
  width: var(--img-corner-hover-size);
  height: var(--img-corner-hover-size);
  top: calc(-1 * var(--img-corner-hover));
  left: calc(-1 * var(--img-corner-hover));
}
.p-intro__main .psec--single-img .img-frame:hover .corner-br,
.p-intro__main .psec--gallery .img-frame:hover .corner-br {
  width: var(--img-corner-hover-size);
  height: var(--img-corner-hover-size);
  bottom: calc(-1 * var(--img-corner-hover));
  right: calc(-1 * var(--img-corner-hover));
}

/* gallery - 多图垂直堆叠 */
.p-intro__main .psec--gallery {
  display: flex;
  flex-direction: column;
  align-items: center;          /* 居中 inline-block 的 img-frame */
  gap: 28px;
}
.p-intro__main .psec--gallery .img-frame {
  position: relative;
  display: inline-block;        /* 收缩到 img 实际宽度，让 corner 紧贴 */
  max-width: 100%;
  line-height: 0;
  isolation: isolate;
  vertical-align: top;
}
.p-intro__main .psec--gallery .img-frame img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 80vh;
  width: auto;
  margin: 0 auto;
}

/* caption 横排（文字位置 left/right）：图块本身改 grid 1fr 1fr */
.p-intro__main .psec.has-cap-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 48px);
  align-items: flex-start;        /* 文字与图片顶部对齐（不垂直居中） */
}
.p-intro__main .psec.has-cap-side .psec__caption-side {
  display: flex;
  align-items: flex-start;
  min-width: 0;
}
.p-intro__main .psec.has-cap-side .psec__caption {
  margin: 0;
}
@media (max-width: 720px) {
  .p-intro__main .psec.has-cap-side {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  /* mobile 横排自动改成上下，文字在上 */
  .p-intro__main .psec.has-cap-right .psec__caption-side { order: -1; }
}

/* imgtext - 图文左右排版（图左文右 / 文左图右） */
.p-intro__main .psec--imgtext {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 48px);
  align-items: center;
}
.p-intro__main .psec--imgtext .imgtext__img { line-height: 0; position: relative; }
.p-intro__main .psec--imgtext .imgtext__img .img-frame { display: block; max-width: 100%; line-height: 0; }
.p-intro__main .psec--imgtext .imgtext__img img {
  display: block;
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
}
.p-intro__main .psec--imgtext .imgtext__copy h3 {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.p-intro__main .psec--imgtext .imgtext__copy h3::before { content: '>>'; margin-right: 8px; }
.p-intro__main .psec--imgtext .imgtext__copy .text-body p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
  margin-bottom: 12px;
}
@media (max-width: 720px) {
  .p-intro__main .psec--imgtext { grid-template-columns: 1fr; gap: 18px; }
}

/* link block - icon + 标题 + URL 列表 */
.p-intro__main .psec--link {
  font-family: var(--font-mono);
}
.p-intro__main .psec--link .link-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.p-intro__main .psec--link .link-row {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.04em;
  transition: background .25s, color .25s, border-color .25s;
}
.p-intro__main .psec--link .link-row:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent-line);
}
.p-intro__main .psec--link .link-row .link-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border: 1px solid var(--accent-line);
  color: var(--accent);
  font-size: 11px;
}
.p-intro__main .psec--link .link-row .link-title {
  font-family: var(--font-sans);
  font-weight: 500;
}
.p-intro__main .psec--link .link-row .link-url {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* ADDITIONAL_EVIDENCE_LOG 缩略图网格 */
.p-intro__evidence-log {
  margin-top: 80px;
  padding-top: 50px;
  border-top: 1px solid var(--accent-line);
}
.p-intro__evidence-log-head {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--accent);
  margin-bottom: 26px;
  text-transform: uppercase;
}
.p-intro__evidence-log-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.evidence-cell {
  position: relative;
  aspect-ratio: 4/3;
  background: #161616;
  border: 1px solid var(--border);
  overflow: hidden;
  cursor: pointer;
  transition: border-color .25s, transform .35s;
}
.evidence-cell::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.6) 100%);
  pointer-events: none;
}
.evidence-cell .evidence-cell__img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform .55s, filter .35s;
}
.evidence-cell:hover { border-color: var(--accent); }
.p-intro__lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
  cursor: zoom-out;
}
.p-intro__lightbox.is-open { opacity: 1; visibility: visible; }
.p-intro__lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  cursor: default;
}
.p-intro__lightbox-close {
  position: absolute;
  top: 24px; right: 28px;
  font-size: 32px;
  color: #fff;
  cursor: pointer;
  line-height: 1;
  font-family: var(--font-mono);
}
.p-intro__lightbox-close:hover { color: var(--accent); }
.evidence-cell:hover .evidence-cell__img { transform: scale(1.05); }
.evidence-cell .evidence-cell__no {
  position: absolute;
  top: 10px; left: 10px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--accent);
  background: rgba(0,0,0,0.7);
  border: 1px solid var(--accent-line);
  padding: 3px 7px;
  z-index: 2;
  text-transform: uppercase;
}

/* OTHER PROJECTS（每张图 = 该项目封面） */
.p-intro__more {
  margin-top: 90px;
  padding-top: 50px;
  border-top: 1px solid var(--border);
}
.p-intro__more-head {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--accent);
  margin-bottom: 26px;
  text-transform: uppercase;
}
.p-intro__more-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.more-item {
  position: relative;
  aspect-ratio: 16/10;
  background: #161616;
  border: 1px solid var(--border);
  overflow: hidden;
  cursor: pointer;
  transition: border-color .3s;
}
.more-item:hover { border-color: var(--accent); }
.more-item__img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: grayscale(0.6) brightness(0.7);
  transition: filter .5s, transform .8s;
}
.more-item:hover .more-item__img { filter: grayscale(0.1) brightness(0.95); transform: scale(1.05); }
.more-item__index {
  position: absolute;
  top: 14px; left: 16px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: #fff;
  background: var(--accent);
  padding: 3px 8px;
  z-index: 2;
}
.more-item__title {
  position: absolute;
  bottom: 14px; left: 16px;
  font-family: var(--font-serif);
  font-size: 22px;
  color: #fff;
  z-index: 2;
}
.more-item__cat {
  position: absolute;
  bottom: 16px; right: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  z-index: 2;
}
.more-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(0,0,0,0.85) 100%);
  pointer-events: none;
}

/* 用户自定义字体（settings.fonts）应用 */
/* 简介/详情页（zh）：标题用 zh_title，正文用 zh_body */
body[data-page="project-intro"][data-lang="zh"] .p-intro__main h2,
body[data-page="project-intro"][data-lang="zh"] .p-intro__main h3,
body[data-page="project-intro"][data-lang="zh"] .p-intro__main .psec--text-v2 h2,
body[data-page="project-detail"][data-lang="zh"] .project__sections h2,
body[data-page="project-detail"][data-lang="zh"] .project__sections h3,
body[data-page="project-detail"][data-lang="zh"] .psec__caption h3 {
  font-family: var(--user-font-zh-title), var(--font-serif), 'Alibaba PuHuiTi', sans-serif !important;
}
body[data-page="project-intro"][data-lang="zh"] .p-intro__main p,
body[data-page="project-intro"][data-lang="zh"] .p-intro__main .text-body,
body[data-page="project-detail"][data-lang="zh"] .project__sections p,
body[data-page="project-detail"][data-lang="zh"] .psec__caption p,
body[data-page="project-detail"][data-lang="zh"] .text-body p {
  font-family: var(--user-font-zh-body), var(--font-sans), 'Alibaba PuHuiTi', sans-serif !important;
}
/* 简介/详情页（en） */
body[data-page="project-intro"][data-lang="en"] .p-intro__main h2,
body[data-page="project-intro"][data-lang="en"] .p-intro__main h3,
body[data-page="project-intro"][data-lang="en"] .p-intro__main .psec--text-v2 h2,
body[data-page="project-detail"][data-lang="en"] .project__sections h2,
body[data-page="project-detail"][data-lang="en"] .project__sections h3,
body[data-page="project-detail"][data-lang="en"] .psec__caption h3 {
  font-family: var(--user-font-en-title), var(--font-serif), sans-serif !important;
}
body[data-page="project-intro"][data-lang="en"] .p-intro__main p,
body[data-page="project-intro"][data-lang="en"] .p-intro__main .text-body,
body[data-page="project-detail"][data-lang="en"] .project__sections p,
body[data-page="project-detail"][data-lang="en"] .psec__caption p,
body[data-page="project-detail"][data-lang="en"] .text-body p {
  font-family: var(--user-font-en-body), var(--font-sans), sans-serif !important;
}

/* 简介 / 详情页 lang-toggle 竖排 */
body[data-page="project-intro"] .lang-toggle,
body[data-page="project-detail"] .lang-toggle {
  flex-direction: column;
  gap: 6px;
}

/* Responsive */
@media (max-width: 1100px) {
  .p-intro { width: 88%; }
  .p-intro__layout { grid-template-columns: 1fr; gap: 30px; }
  .p-intro__sidebar { position: static; }
  .p-intro__evidence-log-grid { grid-template-columns: repeat(3, 1fr); }
  .p-intro__more-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .p-intro { padding: 70px 16px 56px; width: 100%; max-width: none; }
  .p-intro__close {
    font-size: 9px;
    padding: 7px 14px;
    letter-spacing: 0.22em;
    top: 18px;
  }
  .p-intro__evidence {
    grid-template-columns: 1fr;
    gap: 10px;
    margin: 36px 0 4px;
  }
  .p-intro__category { font-size: 9px; padding: 6px 12px; letter-spacing: 0.2em; }
  .p-intro__layout { gap: 24px; margin-top: 24px; }
  .p-intro__sidebar { padding: 22px 18px; }
  .p-intro__sidebar-head { font-size: 9px; letter-spacing: 0.26em; }
  .p-intro__meta-list > div { grid-template-columns: 80px 1fr; font-size: 10.5px; padding: 10px 0; }
  .p-intro__sidebar-tags { grid-template-columns: 1fr 1fr; gap: 5px; }
  .p-intro__sidebar-tags span { padding: 8px 4px; font-size: 10px; }
  .p-intro__access { padding: 14px 14px; font-size: 10px; letter-spacing: 0.2em; }
  .p-intro__cta { padding: 11px 14px; font-size: 9.5px; letter-spacing: 0.18em; }
  .p-intro__showcase { justify-self: start; }
  .p-intro__evidence-log-grid { grid-template-columns: repeat(2, 1fr); }
  .p-intro__more-grid { grid-template-columns: 1fr; }
  .p-intro__blocks { gap: 36px; }
}
@media (max-width: 420px) {
  .p-intro { padding: 64px 12px 48px; }
  .p-intro__sidebar-tags { grid-template-columns: 1fr 1fr; }
  .p-intro__evidence-log-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
}