/* ---------- design tokens ---------- */
:root{
  --bg:#0a0a0a;
  --bg-soft:#111;
  --bg-card:#141414;
  --line:#1f1f1f;
  --line-2:#262626;
  --text:#e9e9e9;
  --text-dim:#9a9a9a;
  --text-mute:#666;
  --accent:#d8ff3a;        /* 黄绿 */
  --accent-2:#a6e22e;
  --accent-soft:rgba(216,255,58,.15);
  --pink:#ff7ad9;
  --cyan:#7af0a8;
  --amber:#ffd14a;
  --radius:18px;
  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-display:'Space Grotesk','Noto Sans SC',sans-serif;
  --font-cn:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-weight:400;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
em{font-style:normal;color:var(--accent)}

/* ---------- 背景 ---------- */
.bg-grid{
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(216,255,58,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(216,255,58,.04) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);
}
.bg-noise{
  position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.04;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='.6'/></svg>");
}

/* ---------- 容器 ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px;position:relative}
.section{padding:120px 0;position:relative;z-index:1}
.section-head{max-width:760px;margin:0 auto 64px;text-align:center}
.more-link{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:24px;padding:10px 22px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.1em;
  color:#0a0a0a;background:var(--accent);border-radius:999px;
  transition:.25s var(--ease);
}
.more-link span{transition:transform .25s var(--ease)}
.more-link:hover{background:#fff;color:#0a0a0a;transform:translateY(-2px)}
.more-link:hover span{transform:translateX(4px)}
/* ---------- 子页面（works.html / news.html） ---------- */
.subpage-nav .logo-text{font-family:var(--font-mono);font-size:13px}
.subpage-nav .nav-links a.cta{background:var(--accent);color:#0a0a0a;padding:6px 14px;border-radius:999px;font-weight:600}
.subpage-nav .nav-links a.cta:hover{background:#fff;color:#0a0a0a}
.page-head{padding:140px 0 60px;text-align:center;position:relative;z-index:1}
.page-head .section-title{margin:14px 0 18px}
.page-head .section-sub{margin:0 0 18px}
.back-link{
  display:inline-block;margin-bottom:24px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  color:var(--text-dim);text-transform:uppercase;
  transition:color .2s;
}
.back-link:hover{color:var(--accent)}
.works-page{padding-top:40px;padding-bottom:120px}
.news-page{padding-top:40px;padding-bottom:120px}
.news-list-page{padding:40px 0 120px;position:relative;z-index:1}
.news-list{display:flex;flex-direction:column;gap:20px}
.news-list-item{
  display:grid;grid-template-columns:120px 220px 1fr;gap:28px;align-items:start;
  padding:24px;background:var(--bg-card);border:1px solid var(--line-2);border-radius:var(--radius);
  text-decoration:none;color:inherit;transition:.25s var(--ease);
}
.news-list-item:hover{border-color:var(--accent);transform:translateY(-2px)}
.news-list-date{
  display:flex;flex-direction:column;align-items:flex-start;padding-top:6px;
  font-family:var(--font-display);font-weight:600;
}
.news-list-date .day{font-size:36px;color:var(--accent);line-height:1}
.news-list-date .month{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--text-dim);
  margin-top:6px;
}
.news-list-thumb{
  aspect-ratio:16/10;overflow:hidden;border-radius:8px;background:#0e0e0e;
  border:1px solid var(--line-2);
}
.news-list-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-list-item:hover .news-list-thumb img{transform:scale(1.04)}
.news-list-body{display:flex;flex-direction:column;gap:8px;padding:6px 0}
.news-list-tag{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  color:var(--accent);text-transform:uppercase;
}
.news-list-body h3{
  font-family:var(--font-display);font-size:22px;font-weight:600;
  margin:0;letter-spacing:-.01em;
}
.news-list-body p{color:var(--text-dim);font-size:14px;line-height:1.6;margin:6px 0 0}
.news-list-cta{
  display:inline-block;margin-top:12px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  color:var(--accent);
}
.news-list-item:hover .news-list-cta{transform:translateX(4px)}
@media (max-width:900px){
  .news-list-item{grid-template-columns:1fr;gap:18px}
  .news-list-date{flex-direction:row;align-items:baseline;gap:12px}
  .news-list-date .day{font-size:24px}
}

/* ---------- 文章三级页（article-*.html）---------- */
.article-page{padding:140px 0 80px;position:relative;z-index:1}
.article-cover{
  width:100%;aspect-ratio:21/9;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line-2);margin-bottom:36px;background:#0e0e0e;
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-meta{
  display:flex;flex-wrap:wrap;gap:18px;align-items:baseline;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;
  color:var(--text-dim);margin-bottom:14px;
}
.article-meta .tag{color:var(--accent)}
.article-title{
  font-family:var(--font-display);font-size:clamp(40px,5.4vw,72px);
  font-weight:600;line-height:1.1;letter-spacing:-.03em;margin:0 0 20px;
}
.article-subtitle{
  font-family:var(--font-mono);font-size:14px;letter-spacing:.16em;
  color:var(--text-dim);margin:0 0 36px;
}
.article-body{
  max-width:780px;margin:0 auto;
  font-size:17px;line-height:1.85;color:var(--text);
}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-family:var(--font-display);font-size:28px;font-weight:600;
  margin:48px 0 16px;letter-spacing:-.01em;
  padding-top:18px;border-top:1px dashed var(--line-2);
}
.article-body h3{
  font-size:20px;font-weight:600;margin:32px 0 12px;color:var(--accent);
}
.article-body blockquote{
  margin:24px 0;padding:14px 22px;border-left:3px solid var(--accent);
  background:var(--accent-soft);border-radius:0 8px 8px 0;
  font-style:italic;color:var(--text);
}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body li{margin-bottom:8px}
.article-body figure{margin:24px 0}
.article-body figure img{width:100%;height:auto;border-radius:8px;border:1px solid var(--line-2)}
.article-body figcaption{
  font-family:var(--font-mono);font-size:12px;color:var(--text-dim);
  text-align:center;margin-top:10px;letter-spacing:.05em;
}
.article-back{
  display:inline-block;margin-bottom:32px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  color:var(--text-dim);text-transform:uppercase;
  transition:color .2s;
}
.article-back:hover{color:var(--accent)}
.article-related{padding:60px 0 0;text-align:center}
.article-related .section-title{font-size:24px;margin:0 0 18px}

/* ---------- 导师二级页（faculty.html）---------- */
.faculty-page{padding:140px 0 80px;position:relative;z-index:1}
.faculty-hero{padding-bottom:60px;border-bottom:1px dashed var(--line-2)}
.faculty-hero-grid{
  display:grid;grid-template-columns:340px 1fr;gap:64px;align-items:start;
}
.faculty-hero-photo{position:relative}
.faculty-hero-photo img{
  width:100%;height:auto;display:block;border-radius:var(--radius);
  border:1px solid var(--line-2);
}
.faculty-hero-tag{
  position:absolute;top:14px;left:14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  background:var(--accent);color:#0a0a0a;padding:6px 12px;border-radius:999px;
}
.faculty-quick{list-style:none;padding:0;margin:24px 0 0;display:flex;flex-direction:column;gap:12px}
.faculty-quick li{display:flex;align-items:baseline;gap:14px;font-size:14px;color:var(--text-dim)}
.faculty-quick li span{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  color:var(--accent);min-width:80px;
}
.faculty-quick li b{color:var(--text);font-weight:500}
.faculty-body{max-width:780px;margin:48px auto 0;font-size:17px;line-height:1.85;color:var(--text)}
.faculty-body h2{
  font-family:var(--font-display);font-size:24px;font-weight:600;
  margin:48px 0 18px;letter-spacing:-.01em;
  padding-top:18px;border-top:1px dashed var(--line-2);
}
.faculty-body h2:first-child{padding-top:0;border-top:0;margin-top:0}
.faculty-body p{margin:0 0 18px}
.faculty-body ul{padding-left:22px;margin:0 0 18px}
.faculty-body li{margin-bottom:8px;line-height:1.7}
.faculty-back-cta{margin-top:48px;text-align:center;border-top:1px dashed var(--line-2);padding-top:36px}
@media (max-width:900px){
  .faculty-hero-grid{grid-template-columns:1fr;gap:36px}
}

/* ---------- 代表性作品二级页（works.html 列表形式 + 推测 digital-media-art-portfolio 风格）---------- */
.works-list-page{padding:40px 0 120px;position:relative;z-index:1}
.works-portfolio{max-width:1180px;margin:0 auto}
.works-list{display:flex;flex-direction:column;gap:0;margin-top:48px;border-top:1px solid var(--line-2)}

/* 4 个置顶合作企业（大图 1×4 横向 + hover 缩放） */
.works-featured-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-bottom:64px;
}
.works-featured-tile{position:relative;aspect-ratio:4/5;display:block;background:#0e0e0e center/cover no-repeat;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-2);text-decoration:none;color:inherit;transition:border-color .3s var(--ease)}
.works-featured-tile:hover{transform:none}
.works-featured-tile[href*="article"]:hover{border-color:var(--accent)}
.works-featured-tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,10,.15) 0%,rgba(10,10,10,.85) 100%);transition:background .3s var(--ease)}
.works-featured-tile:hover::after{background:linear-gradient(180deg,rgba(10,10,10,.15) 0%,rgba(10,10,10,.85) 100%)}
.works-featured-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:20px;z-index:2;
  display:flex;flex-direction:column;gap:6px;
}
.works-featured-num{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  color:var(--accent);
}
.works-featured-name{
  font-family:var(--font-display);font-size:24px;font-weight:600;
  letter-spacing:-.01em;color:var(--text);
  line-height:1.1;
}
.works-featured-tag{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;
  color:var(--text-dim);line-height:1.4;
}

/* 列表项：左编号 + 中缩略 + 右文 + hover 滑入 */
.works-list-item{
  display:grid;grid-template-columns:80px 220px 1fr;gap:32px;align-items:center;
  padding:32px 20px;text-decoration:none;color:inherit;
  border-bottom:1px solid var(--line-2);
  transition:.3s var(--ease);
  position:relative;
}
.works-list-item::before{
  content:"";position:absolute;left:0;top:0;height:100%;width:2px;
  background:var(--accent);transform:scaleY(0);transform-origin:center;
  transition:transform .3s var(--ease);
}
.works-list-item:hover{background:rgba(216,255,58,.04)}
.works-list-item:hover::before{transform:scaleY(1)}
.works-list-num{
  font-family:var(--font-display);font-size:48px;font-weight:600;
  color:var(--accent);line-height:1;letter-spacing:-.03em;
  font-feature-settings:"tnum";
}
.works-list-thumb{aspect-ratio:4/3;overflow:hidden;border-radius:6px;background:#0e0e0e;border:1px solid var(--line-2);position:relative}
.works-list-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.works-list-item:hover .works-list-thumb img{transform:scale(1.05)}
.works-list-thumb .video-label{
  position:absolute;left:8px;bottom:8px;z-index:2;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;
  background:var(--accent);color:#0a0a0a;padding:3px 7px;border-radius:3px;
}
.works-list-body{display:flex;flex-direction:column;gap:8px}
.works-list-tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--accent);text-transform:uppercase}
.works-list-body h3{font-family:var(--font-display);font-size:24px;font-weight:600;margin:0;letter-spacing:-.01em;line-height:1.2}
.works-list-body p{color:var(--text-dim);font-size:14px;line-height:1.6;margin:6px 0 0;max-width:580px}
.works-list-cta{display:inline-block;margin-top:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--accent);transition:transform .25s var(--ease)}
.works-list-item:hover .works-list-cta{transform:translateX(4px)}
@media (max-width:900px){
  .works-featured-row{grid-template-columns:repeat(2,1fr)}
  .works-list-item{grid-template-columns:60px 140px 1fr;gap:18px;padding:20px 12px}
  .works-list-num{font-size:28px}
  .works-list-body h3{font-size:18px}
}
@media (max-width:560px){
  .works-featured-row{grid-template-columns:1fr}
}

/* ---------- 作品/新闻卡可链接化 ---------- */
.news-card-link{
  display:flex;flex-direction:column;text-decoration:none;color:inherit;
}
.news-readmore{
  display:inline-block;margin-top:14px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  color:var(--accent);
  transition:transform .25s var(--ease);
}
.news-card-link:hover .news-readmore{transform:translateX(4px)}

/* ---------- 作品卡片链接化 ---------- */
.work-link{
  display:flex;flex-direction:column;height:100%;
  color:inherit;text-decoration:none;
}
.work-link .work-media{flex-shrink:0}
.work-link-arrow{
  display:inline-block;margin-top:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  color:var(--accent);text-transform:uppercase;
  transition:transform .25s var(--ease);
}
.work-link:hover .work-link-arrow{transform:translateX(4px)}

/* ---------- 项目详情页（project.html）---------- */
.project-hero{padding:140px 0 60px;position:relative;z-index:1}
.project-hero-grid{
  display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:start;
}
.project-meta-row{
  display:flex;align-items:baseline;gap:14px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.18em;
  color:var(--text-dim);margin:18px 0 24px;
}
.project-meta-row .meta-sep{color:var(--accent)}
.project-meta-row .meta-value{color:var(--accent);font-weight:600}
.project-title{
  font-family:var(--font-display);font-size:clamp(40px,5.4vw,72px);
  font-weight:600;line-height:1.05;letter-spacing:-.03em;margin:0 0 14px;
}
.project-subtitle{
  font-family:var(--font-mono);font-size:14px;letter-spacing:.16em;
  color:var(--text-dim);margin:0 0 36px;
}
.project-fields{margin:0;display:flex;flex-direction:column;gap:18px}
.project-fields .field{display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:baseline}
.project-fields dt{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;
  color:var(--text-dim);margin:0;
}
.project-fields dd{margin:0;color:var(--text);font-size:15px}
.project-fields .field-tags dd{display:flex;flex-wrap:wrap;gap:10px}
.stack-tag{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--accent);background:var(--accent-soft);
  padding:4px 10px;border-radius:3px;
}
.project-fields .status-active{color:var(--accent)}

.project-cover{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line-2);background:#0e0e0e}
.project-cover img{
  width:100%;height:100%;display:block;
  object-fit:cover;object-position:center;
  transition:transform .6s var(--ease);
}
.project-cover:hover img{transform:scale(1.02)}
.project-cover-tag{
  position:absolute;top:14px;right:14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  background:var(--accent);color:#0a0a0a;padding:6px 12px;border-radius:999px;
}

.project-about{padding:80px 0;position:relative;z-index:1;border-top:1px solid var(--line-2)}
.project-about-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:80px;align-items:start}
.project-about-title .section-title{margin-top:18px;font-size:clamp(36px,4.4vw,56px)}
.project-desc{
  font-size:18px;line-height:1.85;color:var(--text);margin:0 0 36px;
}
.project-divider{border:0;border-top:1px solid var(--line-2);margin:36px 0}
.key-title{
  font-family:var(--font-mono);font-size:14px;letter-spacing:.18em;
  color:var(--text-dim);margin:0 0 22px;
}
.key-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:18px}
.key-list li{display:flex;align-items:baseline;gap:18px;font-size:16px;line-height:1.7}
.key-num{font-family:var(--font-mono);font-size:13px;letter-spacing:.12em;color:var(--accent);min-width:32px}
.key-text{color:var(--text)}

.project-gallery{padding:40px 0 100px;position:relative;z-index:1}
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
  align-items:start;
}
.gallery-grid .gallery-item{
  position:relative;
  width:100%;
  aspect-ratio:4/3;
  overflow:hidden;
  border-radius:8px;
  border:1px solid var(--line-2);
  background:#0e0e0e;
  transition:.3s var(--ease);
}
.gallery-grid .gallery-item:hover{border-color:var(--accent)}
.gallery-grid .gallery-item img{
  width:100%;height:100%;
  object-fit:cover;object-position:center;
  display:block;
  transition:transform .5s var(--ease);
}
.gallery-grid .gallery-item:hover img{transform:scale(1.04)}
.gallery-item-label{
  position:absolute;left:10px;bottom:10px;z-index:2;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;
  background:rgba(10,10,10,.7);color:var(--text);padding:4px 8px;border-radius:3px;
  backdrop-filter:blur(4px);
}

.project-related{padding:60px 0 120px;text-align:center;position:relative;z-index:1}
.project-related .section-title{font-size:32px;margin:0 0 20px}

@media (max-width:900px){
  .project-hero-grid,.project-about-grid{grid-template-columns:1fr;gap:36px}
  .project-fields .field{grid-template-columns:1fr;gap:6px}
  .gallery-grid{grid-template-columns:1fr}
}

.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.18em;color:var(--accent);
  border:1px solid var(--accent-soft);
  padding:6px 12px;border-radius:999px;
  margin-bottom:24px;
}
.section-title{
  font-family:var(--font-display);
  font-size:clamp(32px,4.4vw,56px);
  line-height:1.1;font-weight:600;margin:0 0 18px;
  letter-spacing:-.02em;
}
.section-sub{color:var(--text-dim);font-size:17px;margin:0}
.lead{font-size:19px;color:var(--text);margin:0 0 18px}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 36px;
  background:rgba(10,10,10,.55);
  backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid transparent;
  transition:.3s var(--ease);
}
.nav.scrolled{
  background:rgba(10,10,10,.85);
  border-bottom-color:var(--line);
  padding:12px 36px;
}
.logo{display:flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:13px;letter-spacing:.05em}
.logo-mark{
  display:grid;grid-template-columns:repeat(2,8px);grid-template-rows:repeat(2,8px);gap:2px;
}
.logo-mark.small .mark-pixel{width:6px;height:6px}
.mark-pixel{background:var(--accent);width:8px;height:8px;display:block;border-radius:1px}
.mark-pixel:nth-child(2){background:transparent;border:1px solid var(--accent)}
.mark-pixel:nth-child(3){background:transparent;border:1px solid var(--accent)}
.mark-pixel:nth-child(4){background:var(--accent)}
.logo-text em{color:var(--accent);font-style:normal;margin:0 2px}
.nav-links{display:flex;align-items:center;gap:28px;font-family:var(--font-mono);font-size:13px;letter-spacing:.06em}
.nav-links a{color:var(--text-dim);transition:.2s}
.nav-links a:hover{color:var(--text)}
.nav-links a.cta{
  color:#0a0a0a;background:var(--accent);padding:9px 16px;border-radius:999px;font-weight:600;
}
.nav-links a.cta:hover{background:var(--text);color:#0a0a0a}
.nav-toggle{display:none;background:transparent;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:4px}
.nav-toggle span{width:22px;height:2px;background:var(--text);display:block;transition:.25s}

/* ---------- HERO ---------- */
.hero{
  position:relative;min-height:100vh;padding:140px 0 80px;
  display:flex;align-items:center;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-kv{
  position:absolute;right:-6%;top:50%;transform:translateY(-50%);
  width:62%;max-width:920px;opacity:.85;filter:contrast(1.05);
  mask-image:radial-gradient(ellipse at center,#000 55%,transparent 80%);
}
.hero-kv{height:auto;max-height:80vh;object-fit:cover}
.hero-kv::-webkit-media-controls{display:none}
.hero-vignette{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(ellipse at 80% 50%,transparent 0%,rgba(10,10,10,.7) 70%),
    linear-gradient(180deg,rgba(10,10,10,.4),rgba(10,10,10,.85));
}
.hero-content{
  position:relative;z-index:2;
  width:100%;max-width:var(--maxw);margin:0 auto;padding:0 36px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--accent);
  border:1px solid var(--accent-soft);
  padding:8px 14px;border-radius:999px;margin-bottom:32px;
  background:rgba(216,255,58,.05);
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero-title{
  font-family:var(--font-display);
  font-size:clamp(56px,9vw,148px);line-height:.92;
  font-weight:600;letter-spacing:-.04em;margin:0 0 32px;
}
.hero-title .line{display:block}
.hero-title .line.sub{font-family:var(--font-mono);font-size:.34em;font-weight:500;color:var(--accent);margin-top:24px;letter-spacing:.04em}
.hero-title .line.sub b{font-weight:700;background:var(--accent);color:#0a0a0a;padding:0 14px;border-radius:10px;display:inline-block;transform:translateY(-2px)}
.hero-sub{font-size:20px;max-width:640px;color:var(--text-dim);margin:0 0 40px}
.hero-sub em{color:var(--text);border-bottom:1px dashed var(--accent)}
.hero-meta{display:flex;flex-wrap:wrap;gap:36px;margin:0 0 40px;font-family:var(--font-mono)}
.meta-item{display:flex;flex-direction:column;gap:4px}
.meta-item .k{font-size:11px;letter-spacing:.2em;color:var(--text-mute)}
.meta-item .v{font-size:14px;color:var(--text);letter-spacing:.04em}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 22px;border-radius:999px;font-family:var(--font-mono);
  font-size:13px;letter-spacing:.08em;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:.25s var(--ease);
}
.btn span{transition:.25s}
.btn.primary{background:var(--accent);color:#0a0a0a}
.btn.primary:hover{background:#fff;color:#0a0a0a;transform:translateY(-2px)}
.btn.primary:hover span{transform:translateX(4px)}
.btn.ghost{border-color:var(--line-2);color:var(--text);background:transparent}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.small{padding:8px 14px;font-size:12px}
.hero-scroll{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.3em;color:var(--text-mute);z-index:3;
}
.hero-scroll .line-anim{
  width:1px;height:50px;background:var(--line-2);position:relative;overflow:hidden;
}
.hero-scroll .line-anim::after{
  content:"";position:absolute;top:0;left:0;width:100%;height:30%;background:var(--accent);
  animation:lineMove 1.8s ease-in-out infinite;
}
@keyframes lineMove{0%{transform:translateY(-100%)}100%{transform:translateY(330%)}}
.floating-pixels{position:absolute;inset:0;pointer-events:none;z-index:1}
.floating-pixels span{
  position:absolute;left:var(--x);top:var(--y);width:6px;height:6px;background:var(--accent);
  opacity:.6;animation:float 4s ease-in-out infinite;animation-delay:var(--d);
}
.floating-pixels span:nth-child(2n){width:4px;height:4px;background:var(--cyan)}
.floating-pixels span:nth-child(3n){width:3px;height:3px;background:var(--pink)}
@keyframes float{
  0%,100%{transform:translateY(0) translateX(0);opacity:.4}
  50%{transform:translateY(-30px) translateX(10px);opacity:.9}
}

/* ---------- MARQUEE ---------- */
.marquee{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:#0e0e0e;overflow:hidden;position:relative;z-index:2;
  padding:18px 0;
}
.marquee-track{
  display:flex;gap:32px;align-items:center;white-space:nowrap;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.18em;color:var(--accent);
  animation:marquee 35s linear infinite;
  width:max-content;
}
.marquee-track span{flex-shrink:0}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- 通用双栏 / 媒体卡 / 列表 ---------- */
.two-col{display:grid;grid-template-columns:1.05fr 1fr;gap:80px;align-items:center}
.two-col.reverse .col-text{order:2}.two-col.reverse .col-media{order:1}
.col-text p{color:var(--text-dim);font-size:17px;margin:0 0 14px}
.bullet-list{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-direction:column;gap:14px}
.bullet-list li{display:flex;align-items:center;gap:14px;font-size:16px;color:var(--text)}
.bullet-list i{
  display:inline-block;width:14px;height:14px;background:var(--accent);
  clip-path:polygon(0 0,100% 0,100% 60%,60% 60%,60% 100%,0 100%);
  flex-shrink:0;
}
.media-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line-2);background:var(--bg-card);
}
.media-card img{width:100%;height:auto;display:block}
.badge{
  position:absolute;top:14px;left:14px;font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  color:#0a0a0a;background:var(--accent);padding:6px 10px;border-radius:6px;
}

/* ---------- RESEARCH ---------- */
.research-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.research-card{
  background:var(--bg-card);border:1px solid var(--line-2);border-radius:var(--radius);
  padding:32px 26px;transition:.3s var(--ease);position:relative;overflow:hidden;
}
.research-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  transform:translateX(-100%);transition:.5s;
}
.research-card:hover{transform:translateY(-6px);border-color:var(--accent)}
.research-card:hover::before{transform:translateX(0)}
.research-card .num{
  font-family:var(--font-mono);font-size:14px;color:var(--accent);
  margin-bottom:18px;letter-spacing:.1em;
}
.research-card h3{font-size:20px;margin:0 0 12px;font-weight:600}
.research-card p{color:var(--text-dim);font-size:14.5px;margin:0 0 18px;min-height:60px}
.research-card ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.research-card li{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.05em;
  padding:5px 9px;border:1px solid var(--line-2);border-radius:4px;color:var(--text-dim);
}

/* ---------- FACULTY ---------- */
.faculty-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.faculty-card{
  background:var(--bg-card);border:1px solid var(--line-2);border-radius:var(--radius);
  padding:32px 24px;text-align:center;transition:.3s var(--ease);
}
.faculty-card-link{
  display:flex;flex-direction:column;text-decoration:none;color:inherit;
}
.faculty-card-link:hover{border-color:var(--accent);transform:translateY(-4px)}
.faculty-card-link .avatar{transition:transform .4s var(--ease)}
.faculty-card-link:hover .avatar{transform:scale(1.05)}
.faculty-link-arrow{
  display:inline-block;margin-top:14px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  color:var(--accent);
  transition:transform .25s var(--ease);
}
.faculty-card-link:hover .faculty-link-arrow{transform:translateX(4px)}
.faculty-card:hover{border-color:var(--accent);transform:translateY(-4px)}
.avatar{
  width:84px;height:84px;border-radius:50%;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:700;font-size:24px;color:#0a0a0a;
  background:var(--c,var(--accent));position:relative;overflow:hidden;
  border:1px solid var(--accent-soft);
}
.avatar img{width:100%;height:100%;object-fit:cover;display:block}
.avatar::after{
  content:"";position:absolute;inset:-6px;border:1px dashed var(--c,var(--accent));
  border-radius:50%;opacity:.5;pointer-events:none;
}
.faculty-card h3{margin:0 0 4px;font-size:18px;font-weight:600}
.faculty-card .role{font-weight:400;color:var(--text-dim);font-size:13px;font-family:var(--font-mono)}
.faculty-card .title{color:var(--accent);font-size:13px;margin:6px 0 14px;font-family:var(--font-mono)}
.faculty-card .desc{font-size:13.5px;color:var(--text-dim);margin:0;line-height:1.6}
.faculty-card .desc b{color:var(--text);font-weight:500}

/* ---------- WORKS ---------- */
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.work-card{
  background:var(--bg-card);border:1px solid var(--line-2);border-radius:var(--radius);
  overflow:hidden;transition:.3s var(--ease);display:flex;flex-direction:column;
}
.work-card.big{grid-column:span 2;grid-row:span 1}
.work-card:hover{border-color:var(--accent);transform:translateY(-4px)}
.work-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:#0e0e0e}
.work-card.big .work-media{aspect-ratio:16/9}
.work-media img{
  width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);
}
.work-card:hover .work-media img{transform:scale(1.05)}
.work-info{padding:24px 24px 28px;flex:1;display:flex;flex-direction:column}
.tag{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:var(--accent);border:1px solid var(--accent-soft);
  padding:4px 10px;border-radius:4px;align-self:flex-start;margin-bottom:14px;
}
.work-info h3{margin:0 0 8px;font-size:19px;font-weight:600;line-height:1.3}
.work-info p{color:var(--text-dim);font-size:14px;margin:0;line-height:1.6}
.work-info p.muted{color:var(--text-mute);font-family:var(--font-mono);font-size:12px}

/* 视频卡片 */
.video-card{
  background:#000 center/cover no-repeat;cursor:pointer;position:relative;
}
.video-card .video-overlay{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,rgba(10,10,10,.15) 0%,rgba(10,10,10,.55) 100%);
  z-index:2;transition:.3s var(--ease);
}
.video-card:hover .video-overlay{background:linear-gradient(180deg,rgba(10,10,10,.05) 0%,rgba(10,10,10,.35) 100%)}
.video-card .video-play{
  position:relative;z-index:3;background:rgba(10,10,10,.55);border:0;
  width:72px;height:72px;border-radius:50%;cursor:pointer;
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(8px);
  transition:.25s var(--ease);
}
.video-card .video-play:hover{transform:scale(1.12);background:rgba(216,255,58,.22)}
.video-card video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:4;background:#000;
}
.video-label{
  position:absolute;left:10px;bottom:10px;z-index:3;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;color:#0a0a0a;
  background:var(--accent);padding:3px 8px;border-radius:3px;
}

/* 双视频卡：上下两段 */
.work-video-double .work-media:first-of-type{aspect-ratio:16/9}
.work-video-double .work-media:last-of-type{aspect-ratio:16/7;border-top:1px solid var(--line)}

/* 三视频卡：三栏小视频 */
.work-video-triple .video-trio{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-bottom:1px solid var(--line)}
.work-video-triple .video-trio .work-media{aspect-ratio:1/1;border-right:1px solid var(--line)}
.work-video-triple .video-trio .work-media:last-child{border-right:0}
.work-video-triple .work-info{padding-top:20px}

/* 占位空卡 */
.work-media-empty{
  background:
    repeating-linear-gradient(45deg,#0e0e0e 0,#0e0e0e 10px,#141414 10px,#141414 20px);
  display:flex;align-items:center;justify-content:center;
}
.empty-mark{
  font-family:var(--font-display);font-size:64px;color:var(--accent);
  width:90px;height:90px;border-radius:50%;border:1px dashed var(--accent);
  display:flex;align-items:center;justify-content:center;
  background:rgba(10,10,10,.6);font-weight:300;line-height:1;transform:translateY(-4px);
}

/* ---------- HISTORY / NEWS ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  background:var(--bg-card);border:1px solid var(--line-2);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.3s var(--ease);
}
.news-card:hover{border-color:var(--accent);transform:translateY(-4px)}
.news-feature{grid-column:span 2}
.news-media{position:relative;overflow:hidden;background:#0e0e0e}
.news-card:not(.news-feature) .news-media{aspect-ratio:16/10}
.news-feature .news-media{aspect-ratio:21/9}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.news-card:hover .news-media img{transform:scale(1.03)}
.news-tag{
  position:absolute;left:14px;top:14px;z-index:2;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  background:var(--accent);color:#0a0a0a;padding:5px 10px;border-radius:4px;
}
.news-info{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.news-eyebrow{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--accent);
  margin-bottom:10px;text-transform:uppercase;
}
.news-info h3{margin:0 0 14px;font-size:22px;font-weight:600;line-height:1.3}
.news-desc{color:var(--text-dim);font-size:15px;line-height:1.7;margin:0 0 18px}
.news-desc em{color:var(--text);background:var(--accent-soft);padding:1px 6px;border-radius:3px}
.news-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:18px}
.news-thumbs.small{grid-template-columns:repeat(2,1fr)}
.news-thumbs img{
  width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:6px;
  border:1px solid var(--line);transition:transform .3s;
}
.news-thumbs img:hover{transform:scale(1.05);border-color:var(--accent)}
.news-meta{
  list-style:none;padding:16px 0 0;margin:auto 0 0;
  border-top:1px dashed var(--line-2);display:flex;flex-wrap:wrap;gap:8px 24px;
}
.news-meta li{display:flex;align-items:baseline;gap:6px;font-size:13px;color:var(--text-dim)}
.news-meta li b{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.15em;
  color:var(--accent);font-weight:500;
}
@media (max-width:900px){
  .news-grid{grid-template-columns:1fr}
  .news-feature{grid-column:auto}
  .news-feature .news-media{aspect-ratio:16/9}
}

/* ---------- RESEARCH ---------- */
.research-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.research-card{
  background:var(--bg-card);border:1px solid var(--line-2);border-radius:var(--radius);
  padding:32px 26px;transition:.3s var(--ease);position:relative;overflow:hidden;
}
.research-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  transform:translateX(-100%);transition:.5s;
}
.research-card:hover{transform:translateY(-6px);border-color:var(--accent)}
.research-card:hover::before{transform:translateX(0)}
.research-card .num{
  font-family:var(--font-mono);font-size:14px;color:var(--accent);
  margin-bottom:18px;letter-spacing:.1em;
}
.research-card h3{font-size:20px;margin:0 0 12px;font-weight:600}
.research-card p{color:var(--text-dim);font-size:14.5px;margin:0 0 18px;min-height:60px}
.research-card ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.research-card li{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.05em;
  padding:5px 9px;border:1px solid var(--line-2);border-radius:4px;color:var(--text-dim);
}

/* ---------- ACHIEVEMENTS ---------- */
.achievement-subtitle{
  font-family:var(--font-display);font-size:24px;font-weight:600;
  margin:48px 0 20px;letter-spacing:-.01em;
  position:relative;padding-left:18px;
}
.achievement-subtitle::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  background:var(--accent);border-radius:2px;
}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:60px}
.stat{
  background:linear-gradient(180deg,#141414,#0e0e0e);
  border:1px solid var(--line-2);border-radius:var(--radius);
  padding:48px 28px 40px;text-align:center;transition:.3s var(--ease);
  display:flex;flex-direction:column;gap:14px;align-items:center;justify-content:center;
  min-height:220px;
}
.stat:hover{border-color:var(--accent);transform:translateY(-4px)}
.stat-head{display:flex;align-items:baseline;justify-content:center;gap:8px;line-height:1}
.stat .num{
  display:inline-block;font-family:var(--font-display);font-size:96px;font-weight:600;color:var(--accent);
  line-height:1;letter-spacing:-.04em;
}
.stat .unit{
  font-family:var(--font-display);font-size:36px;font-weight:500;color:var(--accent);
  opacity:.7;line-height:1;
}
.stat-text{color:var(--text-dim);font-size:14px;line-height:1.5;display:block}

/* 证书展示墙：三个 stat 模块外面，section 下方 */
.cert-showcase{
  margin-top:64px;padding:48px 0 0;border-top:1px dashed var(--line-2);
}
.cert-showcase-head{text-align:center;margin-bottom:36px}
.cert-showcase-title{
  font-family:var(--font-display);font-size:32px;font-weight:600;
  margin:14px 0 8px;letter-spacing:-.02em;
}
.cert-showcase-sub{color:var(--text-dim);font-size:13px;letter-spacing:.05em;margin:0}
/* ---------- 扑克牌叠放：作品集卡片风格（每张卡片居中散乱叠放） ---------- */
.cert-wall{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  gap:0;
  padding:60px 32px 80px;
  min-height:480px;
  background:linear-gradient(180deg,transparent 0%,rgba(216,255,58,.02) 100%);
}
.cert-tile{
  position:relative;
  width:240px;
  height:300px;
  margin:-40px -10px;
  background:#0e0e0e;
  border:1px solid var(--line-2);
  border-radius:6px;
  box-shadow:0 12px 28px rgba(0,0,0,.45);
  overflow:hidden;
  transform:rotate(var(--rot,0deg)) translate(var(--x,0px), var(--y,0px));
  transition:none;cursor:default;
}
.cert-tile:hover{transform:rotate(var(--rot,0deg)) translate(var(--x,0px), var(--y,0px));}
.cert-tile img{
  width:100%;height:100%;object-fit:cover;display:block;
}
.cert-wall .cert-tile:nth-child(4){transform:rotate(2deg) translateY(4px)}
.cert-wall .cert-tile:nth-child(5){transform:rotate(-1.5deg) translateY(-6px)}
.cert-wall .cert-tile:nth-child(6){transform:rotate(2.5deg) translateY(2px)}
.cert-wall .cert-tile:nth-child(7){transform:rotate(-2deg) translateY(-4px)}
.cert-wall .cert-tile:nth-child(8){transform:rotate(1deg) translateY(5px)}
.cert-wall .cert-tile:nth-child(9){transform:rotate(-1.5deg) translateY(-3px)}
.cert-wall .cert-tile:nth-child(10){transform:rotate(2.2deg) translateY(4px)}
.cert-wall .cert-tile:nth-child(11){transform:rotate(-2deg) translateY(-5px)}
.cert-wall .cert-tile:nth-child(12){transform:rotate(1.5deg) translateY(3px)}
.cert-wall .cert-tile:nth-child(13){transform:rotate(-1deg) translateY(-4px)}
.cert-wall .cert-tile:nth-child(14){transform:rotate(2deg) translateY(5px)}
.cert-wall .cert-tile:nth-child(15){transform:rotate(-1.5deg) translateY(-2px)}

/* ---------- VOICES ---------- */
.voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.voice-card{
  background:var(--bg-card);border:1px solid var(--line-2);border-radius:var(--radius);
  padding:36px 32px;transition:.3s var(--ease);position:relative;
}
.voice-card:hover{border-color:var(--accent)}
.voice-card::before{
  content:"\201C";position:absolute;top:8px;right:28px;
  font-family:Georgia,serif;font-size:120px;color:var(--accent);opacity:.15;line-height:1;
}
.voice-top{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.voice-name{font-family:var(--font-display);font-size:32px;font-weight:600;color:var(--accent)}
.voice-meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--text-dim)}
.voice-card blockquote{
  margin:0 0 24px;font-size:15.5px;color:var(--text);line-height:1.7;
  border-left:2px solid var(--accent);padding-left:18px;font-style:italic;
}
.voice-proj{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.voice-proj li{
  font-size:13.5px;color:var(--text-dim);position:relative;padding-left:18px;
}
.voice-proj li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;background:var(--accent);
}

/* ---------- MEDIA ---------- */
.video-wrap{margin-bottom:60px}
.video-frame{
  background:var(--bg-card);border:1px solid var(--line-2);border-radius:var(--radius);
  overflow:hidden;position:relative;
}
.video-frame video{width:100%;display:block;aspect-ratio:16/9;background:#000;object-fit:cover}
.video-placeholder{
  position:relative;aspect-ratio:16/9;background:#000 center/cover no-repeat;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:filter .3s var(--ease);
}
.video-placeholder:hover{filter:brightness(1.05)}
.video-placeholder::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,10,10,.2) 0%,rgba(10,10,10,.7) 100%);
}
.video-play{
  position:relative;z-index:2;background:rgba(10,10,10,.55);border:0;
  width:96px;height:96px;border-radius:50%;cursor:pointer;
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px);
  transition:.25s var(--ease);
}
.video-play:hover{transform:scale(1.08);background:rgba(216,255,58,.18)}
.video-play svg{display:block}
.video-tip{
  position:absolute;left:24px;right:24px;bottom:24px;z-index:2;
  text-align:center;color:var(--text);font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;
  opacity:.85;line-height:1.6;
}
.video-tip em{font-style:normal;color:var(--text-dim);font-size:11px}
.video-tip code{background:rgba(10,10,10,.6);padding:1px 6px;border-radius:3px;color:var(--accent)}
.video-meta{
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 22px;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--text-dim);
}
.badge-mini{
  border:1px solid var(--accent-soft);color:var(--accent);
  padding:3px 9px;border-radius:4px;font-size:10px;letter-spacing:.15em;
}
.poster-row{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.poster-row figure{margin:0;background:var(--bg-card);border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;transition:.3s}
.poster-row figure:hover{border-color:var(--accent)}
.poster-row img{width:100%;display:block}
.poster-row figcaption{
  padding:14px 18px;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--text-dim);
  border-top:1px solid var(--line);
}

/* ---------- CONTACT ---------- */
.contact{background:linear-gradient(180deg,var(--bg) 0%,#0e0e0e 100%)}
.contact-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:stretch}
.contact-list{list-style:none;padding:0;margin:32px 0 0;display:flex;flex-direction:column;gap:14px}
.contact-list li{display:flex;align-items:baseline;gap:18px;padding-bottom:14px;border-bottom:1px dashed var(--line-2)}
.contact-list span{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--accent);min-width:64px}
.contact-list b{font-weight:500}
/* contact 右侧图片卡：完整显示一张图，与左侧对齐时不超出 */
.contact-card{
  background:var(--bg-card);border:1px solid var(--line-2);border-radius:var(--radius);
  padding:0;text-align:center;overflow:hidden;
}
.contact-card-bg{display:block;padding:0;border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden}
.contact-card-img{
  display:block;width:100%;height:auto;max-height:420px;
  object-fit:contain;object-position:center;
}

/* ---------- 重点合作企业（参与或合作下方，左下角列表）---------- */
.partners{
  margin-top:80px;padding-top:48px;border-top:1px dashed var(--line-2);
  text-align:left;
}
.partners-title{
  font-family:var(--font-display);font-size:32px;font-weight:600;
  margin:0 0 8px;letter-spacing:-.02em;
}
.partners-sub{color:var(--text-dim);font-size:14px;margin:0 0 28px}
.partners-list{
  list-style:none;padding:0;margin:0;
  display:flex;flex-direction:column;gap:0;
  max-width:520px;
}
.partners-list li{margin:0;padding:0}
.partners-list .partner-tile{
  display:flex;flex-direction:column;gap:4px;
  padding:14px 18px;
  background:transparent;border:none;
  border-bottom:1px solid var(--line-2);
  border-radius:0;
  text-decoration:none;color:inherit;
  transition:background-color .2s var(--ease);
}
.partners-list .partner-tile:hover{
  background:rgba(216,255,58,.04);
}
.partners-list .partner-tile .partner-name{
  font-family:var(--font-display);font-size:15px;font-weight:500;
  letter-spacing:-.01em;color:var(--text);line-height:1.35;
}
.partners-list .partner-tile .partner-tag{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:var(--text-dim);
}

/* 旧 6 块网格保留但隐藏（兜底） */
.partners-grid{display:none}

/* 取消 .partner-tile 自身 hover 视觉效果（保持朴素） */
.partner-tile{cursor:default}
.partner-tile:hover{transform:none;background:transparent}
.qr-row{display:flex;justify-content:center;gap:24px}
.qr{
  width:140px;height:160px;border:1px dashed var(--line-2);border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:repeating-linear-gradient(45deg,#0e0e0e,#0e0e0e 6px,#141414 6px,#141414 12px);
}
.qr-placeholder{font-family:var(--font-mono);font-size:12px;color:var(--text-dim);text-align:center;line-height:1.6}
.hint{font-family:var(--font-mono);font-size:11px;color:var(--text-mute);margin:18px 0 0}
.hint code{background:var(--bg);padding:1px 6px;border-radius:3px;color:var(--accent)}


/* ---------- CONTACT 重排：左下角二维码 + 右侧合作企业 ---------- */
.contact-grid{
  display:grid;grid-template-columns:1.05fr 1fr;gap:80px;align-items:start;
  margin-top:0;
}
.contact-info{display:flex;flex-direction:column;gap:0;position:relative}
.contact-info .lead{margin:0 0 24px}
.contact-info .contact-list{margin:0}

/* 小红书二维码卡：左下角 */
.xhs-card{
  display:flex;align-items:center;gap:20px;
  margin-top:40px;padding:20px;
  background:linear-gradient(180deg,rgba(216,255,58,.04),rgba(216,255,58,.01));
  border:1px solid rgba(216,255,58,.25);border-radius:var(--radius);
  position:relative;max-width:480px;
}
.xhs-card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(135deg,rgba(255,0,76,.04),transparent 40%,rgba(255,180,0,.04) 100%);
}
.xhs-qr{
  width:120px;height:120px;flex-shrink:0;
  background:#fff;border-radius:8px;padding:6px;
  box-shadow:0 0 0 1px rgba(255,0,76,.18);
}
.xhs-qr img{width:100%;height:100%;object-fit:contain;display:block}
.xhs-text{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}
.xhs-tag{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;
  color:var(--text-dim);text-transform:uppercase;
}
.xhs-name{
  font-family:var(--font-display);font-size:18px;font-weight:600;
  color:var(--text);letter-spacing:-.01em;
}
.xhs-id{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--accent);
}
.xhs-hint{
  font-size:12px;color:var(--text-dim);letter-spacing:.04em;
  margin-top:4px;
}

/* 合作企业：右栏 */
.contact-partners{
  display:flex;flex-direction:column;gap:14px;
  border-left:1px dashed var(--line-2);
  padding-left:64px;
  align-self:stretch;
  min-height:100%;
}
.contact-partners-title{
  font-family:var(--font-display);font-size:32px;font-weight:600;
  margin:0 0 4px;letter-spacing:-.02em;
}
.contact-partners-sub{
  color:var(--text-dim);font-size:13px;margin:0 0 8px;
}
.contact-partners .partners-row{
  list-style:none;padding:0;margin:14px 0 0;
  display:flex;flex-direction:column;gap:0;
}
.contact-partners .partners-row li{
  padding:10px 0;
  border-bottom:1px solid var(--line-2);
}
.contact-partners .partners-row li:last-child{border-bottom:0}
.contact-partners .partners-row a,
.contact-partners .partners-row span{
  font-family:var(--font-display);font-size:14px;font-weight:500;
  color:var(--text);text-decoration:none;letter-spacing:-.01em;
  transition:color .2s var(--ease);
}
.contact-partners .partners-row a:hover{color:var(--accent)}

@media (max-width:980px){
  .contact-grid{grid-template-columns:1fr;gap:48px}
  .contact-partners{border-left:0;padding-left:0;padding-top:32px;border-top:1px dashed var(--line-2)}
  .xhs-card{max-width:100%}
}

/* 隐藏旧 contact-inner / partners 标记 */
.contact-inner.old{display:none}
.partners.old{display:none}

/* ---------- FOOTER ---------- */
.footer{
  border-top:1px solid var(--line);padding:48px 0;background:#0a0a0a;
  position:relative;z-index:2;
}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:14px;color:var(--accent)}
.footer p{color:var(--text-dim);font-size:13px;margin:0}
.footer .copy{color:var(--text-mute);font-family:var(--font-mono);font-size:11px;letter-spacing:.1em}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:.8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .section{padding:80px 0}
  .container{padding:0 24px}
  .nav{padding:14px 24px}
  .nav.scrolled{padding:10px 24px}
  .nav-links{
    position:fixed;top:60px;right:0;left:0;background:rgba(10,10,10,.96);
    flex-direction:column;align-items:flex-start;gap:0;padding:20px 24px;
    border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.3s;
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{padding:14px 0;width:100%;border-bottom:1px solid var(--line);font-size:14px}
  .nav-links a.cta{margin-top:8px;display:inline-block;width:auto;border:0;padding:10px 18px}
  .nav-toggle{display:flex}
  .hero{min-height:auto;padding:120px 0 60px}
  .hero-kv{width:100%;right:auto;top:30%;opacity:.4}
  .hero-content{padding:0 24px}
  .hero-title{font-size:clamp(46px,14vw,80px)}
  .two-col,.two-col.reverse{grid-template-columns:1fr;gap:40px}
  .two-col.reverse .col-text{order:1}.two-col.reverse .col-media{order:2}
  .research-grid,.faculty-grid{grid-template-columns:1fr 1fr}
  .works-grid{grid-template-columns:1fr}
  .work-card.big{grid-column:auto}
  .stat-row{grid-template-columns:1fr}
  .voice-grid{grid-template-columns:1fr}
  .poster-row{grid-template-columns:1fr}
  .contact-inner{grid-template-columns:1fr;gap:48px}
}
@media (max-width:560px){
  .research-grid,.faculty-grid{grid-template-columns:1fr}
  .hero-meta{gap:20px}
  .meta-item .v{font-size:13px}
}

/* ---------- 详情页首屏视频 ---------- */
.project-cover-video{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line-2);background:#000}
.project-cover-video video{width:100%;height:100%;display:block;object-fit:cover;background:#000}
.project-cover-overlay{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;display:flex;justify-content:flex-end;pointer-events:none}
.video-mute-hint{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;background:rgba(10,10,10,.7);color:var(--accent);padding:5px 10px;border-radius:999px;backdrop-filter:blur(4px);border:1px solid var(--accent-soft)}

/* ---------- 详情页首屏视频（竖图 9:16，覆盖首屏）---------- */
.project-cover-video-tall{position:relative;width:100%;aspect-ratio:9/16;max-height:80vh;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line-2);background:#000;margin:0 auto}

/* ---------- 竖图 gallery (mqsR / msq L 2693x6237) ---------- */
/* 03 / 04 竖图: 限制最大高度, 让两张图相对大小一致 */
.gallery-grid .gallery-item.gallery-item-tall{aspect-ratio:auto!important;height:auto!important;width:100%!important;background:#0e0e0e;display:flex;align-items:center;justify-content:center;padding:8px;overflow:hidden}
.gallery-grid .gallery-item.gallery-item-tall img{width:auto!important;max-width:100%;height:auto!important;max-height:760px;object-fit:contain!important;background:#0e0e0e;display:block}
/* 03 + 04 整体居中: 把两个 gallery-item-tall 包在 flex 容器中 */
/* 03 + 04 整体左右横排 + 居中 (inline-block + text-align:center) */
/* 03 + 04 强制横排 + 居中 — flex + !important 兜底 */
.gallery-pair{display:flex!important;justify-content:center!important;align-items:flex-start!important;flex-direction:row!important;flex-wrap:nowrap!important;margin:32px auto!important;max-width:1000px!important;width:100%!important;text-align:left!important;line-height:normal!important}
.gallery-pair > figure.gallery-item.gallery-item-tall{display:inline-block!important;flex:0 0 auto!important;width:480px!important;max-width:480px!important;margin:0 12px!important;vertical-align:top!important}
.gallery-pair > figure.gallery-item.gallery-item-tall img{display:block!important;width:auto!important;height:auto!important;max-height:1200px!important;max-width:100%!important;margin:0 auto!important;object-fit:contain!important}
@media (max-width:1080px){.gallery-pair > figure.gallery-item.gallery-item-tall{width:400px!important;max-width:400px!important}.gallery-pair{max-width:880px!important}}
@media (max-width:880px){.gallery-pair > figure.gallery-item.gallery-item-tall{width:320px!important;max-width:320px!important}.gallery-pair{max-width:720px!important}}

/* ---------- 视频三栏并排（Local 详情页）---------- */
.video-triple{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.video-triple .video-frame{margin:0}
.video-triple video{aspect-ratio:9/16;width:100%;height:auto;display:block;border-radius:8px;border:1px solid var(--line-2);background:#000}
@media (max-width:900px){.video-triple{grid-template-columns:1fr}}
.video-section-sub{color:var(--text-dim);font-size:14px;margin:0 0 16px}

/* ---------- Local 视频 1+2 错位布局 ---------- */
.video-stack{display:flex;flex-direction:column;gap:24px;margin-top:18px}
.video-frame-hero{width:100%}
.video-frame-hero video{aspect-ratio:16/9;width:100%;height:auto;display:block;border-radius:8px;border:1px solid var(--line-2);background:#000}
.video-double{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.video-double .video-frame{margin:0}
.video-double video{aspect-ratio:9/16;width:100%;height:auto;display:block;border-radius:8px;border:1px solid var(--line-2);background:#000}
@media (max-width:700px){
  .video-double{grid-template-columns:1fr}
}