:root { --ink:#171717; --muted:#646464; --blue:#2457e8; --line:#dedede; --paper:#f5f6f8; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:88px; }
body { margin:0; background:#fff; color:var(--ink); font-family:"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif; font-size:16px; line-height:1.65; letter-spacing:0; }
a { color:inherit; text-decoration:none; }
a:hover { color:var(--blue); }
button { font:inherit; cursor:pointer; }
button,a { -webkit-tap-highlight-color:transparent; }
:focus-visible { outline:2px solid var(--blue); outline-offset:5px; }
p { margin:0 0 1em; }
h1,h2,h3 { line-height:1.12; font-weight:600; margin:0; }
.site-header { position:sticky; top:0; z-index:10; background:rgba(255,255,255,.96); border-bottom:1px solid var(--line); }
.nav { max-width:1320px; height:76px; padding:0 40px; margin:auto; display:flex; align-items:center; gap:40px; }
.nav-home { font-size:23px; font-weight:750; }
.nav-links { display:flex; gap:28px; margin-left:auto; font-size:14px; }
.nav-links a { position:relative; padding:8px 0; }
.nav-links a::after { content:""; position:absolute; height:1px; background:var(--blue); bottom:3px; left:0; width:100%; transform:scaleX(0); transform-origin:left; transition:transform .2s; }
.nav-links a:hover::after { transform:scaleX(1); }
.languages { display:flex; gap:2px; padding:3px; border:1px solid var(--line); border-radius:6px; }
.languages button { border:0; background:transparent; padding:4px 9px; font-size:12px; border-radius:3px; }
.languages button[aria-pressed="true"] { background:var(--ink); color:#fff; }
.layout { max-width:1240px; margin:auto; padding:0 40px; }
.hero { position:relative; min-height:630px; padding:64px 0 42px; }
.hero-art { position:absolute; right:-20px; top:22px; width:56%; height:540px; object-fit:contain; z-index:0; }
.hero-copy { position:relative; z-index:1; width:52%; padding-top:12px; pointer-events:none; }
.hero-copy a { pointer-events:auto; }
.hero-kicker { font-size:13px; color:var(--blue); margin-bottom:24px; font-weight:600; }
.hero h1 { font-size:88px; line-height:1.02; margin-left:-4px; }
.hero-title-line { display:block; color:var(--blue); }
.hero-intro { font-size:18px; line-height:1.65; max-width:430px; margin-top:26px; }
.hero-actions { display:flex; flex-wrap:wrap; align-items:center; gap:24px; margin-top:25px; font-size:14px; }
.text-link { border-bottom:1px solid currentColor; padding-bottom:3px; display:inline-flex; gap:14px; align-items:center; }
.hero-foot { display:flex; gap:30px; font-size:12px; color:var(--muted); margin-top:54px; position:relative; z-index:1; }
.hero-foot span { background:#fff; }
.research-intro { padding:48px 0; border-top:1px solid var(--ink); display:grid; grid-template-columns:1fr 1.7fr; gap:70px; }
.research-intro h2 { font-size:32px; max-width:280px; }
.research-intro p { color:#4c4c4c; margin-bottom:18px; max-width:660px; }
.research-topics { display:flex; flex-wrap:wrap; gap:10px 20px; font-size:13px; color:var(--blue); }
.section-heading { padding:48px 0 24px; display:flex; flex-wrap:wrap; align-items:baseline; gap:15px; border-top:1px solid var(--ink); }
.section-heading h2 { font-size:42px; }
.section-heading p { margin:0 0 0 auto; color:var(--muted); font-size:12px; }
.pub-item { display:grid; grid-template-columns:1.12fr 1fr; gap:48px; padding:32px 0 44px; border-bottom:1px solid var(--line); align-items:center; }
.pub-item:last-child { border-bottom:0; }
.pub-visual { display:block; position:relative; padding:24px; width:100%; border:1px solid #e5e7eb; border-radius:6px; background:var(--paper); transition:transform .25s,box-shadow .25s; }
.pub-visual:hover { transform:translateY(-4px); box-shadow:0 12px 25px #1717170b; }
.pub-visual img { display:block; width:100%; height:300px; object-fit:contain; mix-blend-mode:multiply; }
.pub-visual:focus-visible { outline-offset:4px; }
.pub-meta { display:flex; gap:14px; align-items:center; font-size:12px; margin-bottom:13px; color:var(--muted); }
.venue-tag { color:var(--blue); font-weight:650; }
.pub-name { font-size:36px; margin-bottom:14px; }
.pub-title { line-height:1.5; font-size:16px; margin-bottom:12px; }
.pub-note { font-size:14px; color:#535353; }
.pub-authors { font-size:12px; color:var(--muted); line-height:1.8; margin-bottom:20px; }
.pub-authors strong { color:var(--ink); }
.pub-links { display:flex; gap:22px; font-size:13px; }
.journey { display:grid; grid-template-columns:1fr 1fr; gap:70px; border-top:1px solid var(--ink); padding:52px 0 60px; margin-top:35px; }
.journey h2 { font-size:30px; margin-bottom:32px; }
.timeline-item { border-left:2px solid var(--blue); padding:0 0 0 20px; margin-bottom:28px; }
.timeline-item h3 { font-size:18px; line-height:1.5; margin-bottom:8px; }
.timeline-item p { color:var(--muted); font-size:14px; margin:0; }
.contact { padding:48px 0 56px; border-top:1px solid var(--ink); }
.contact h2 { font-size:48px; margin-bottom:20px; }
.contact p { max-width:700px; color:var(--muted); font-size:15px; }
.contact p a { color:var(--blue); text-decoration:underline; }
.contact-email { font-size:25px; display:inline-block; margin-top:10px; overflow-wrap:anywhere; }
.footer { border-top:1px solid var(--line); max-width:1160px; margin:auto; padding:20px 0 30px; display:flex; justify-content:space-between; color:var(--muted); font-size:12px; }
.lightbox { width:min(1200px,94vw); max-height:94dvh; padding:55px 20px 20px; border:0; border-radius:8px; background:#fff; }
.lightbox::backdrop { background:#171717bf; }
.lightbox img { width:100%; max-height:76dvh; object-fit:contain; display:block; }
.lightbox-close { position:absolute; right:16px; top:10px; font-size:30px; line-height:1; border:0; background:#f1f2f4; width:36px; height:36px; border-radius:4px; }
.lightbox-caption { margin:12px 0 0; font-size:13px; text-align:center; }
@media (prefers-reduced-motion:no-preference) {
  .hero-copy { animation:enter .65s both; }
  .hero-art { animation:enter .85s .08s both; }
  @keyframes enter { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:none; } }
}
@media (min-width:1400px) { .hero { min-height:680px; } .hero-art { height:585px; } }
@media (max-width:950px) {
  .nav { padding:0 24px; gap:24px; }
  .nav-links { gap:16px; }
  .layout { padding:0 24px; }
  .hero h1 { font-size:68px; }
  .hero-intro { font-size:16px; }
  .hero-art { right:-10px; width:55%; }
  .hero { min-height:580px; }
  .pub-item { gap:26px; }
  .pub-visual { padding:14px; }
  .pub-visual img { height:240px; }
  .pub-name { font-size:28px; }
  .footer { margin:0 24px; }
}
@media (max-width:650px) {
  .nav { height:64px; gap:16px; padding:0 20px; }
  .nav-home { font-size:20px; }
  .nav-links { gap:14px; font-size:12px; }
  .nav-links a:nth-child(2) { display:none; }
  .languages button { padding:4px 6px; }
  .layout { padding:0 20px; }
  .hero { padding:34px 0 25px; min-height:0; display:flex; flex-direction:column; }
  .hero-art { position:relative; width:100%; height:auto; aspect-ratio:1; top:auto; right:auto; order:2; margin-top:4px; }
  .hero-copy { width:100%; padding-top:0; }
  .hero-kicker { margin-bottom:14px; }
  .hero h1 { font-size:64px; }
  .hero-title-line { display:inline; }
  .hero-intro { margin-top:20px; max-width:100%; }
  .hero-actions { gap:20px; margin-top:18px; }
  .hero-foot { order:3; margin-top:10px; flex-wrap:wrap; gap:6px 18px; }
  .research-intro { grid-template-columns:1fr; gap:22px; padding:32px 0; }
  .research-intro h2 { font-size:28px; max-width:none; }
  .section-heading { padding-top:34px; }
  .section-heading h2 { font-size:34px; }
  .section-heading p { margin-left:0; }
  .pub-item { grid-template-columns:1fr; gap:25px; padding:12px 0 34px; margin-bottom:22px; }
  .pub-visual img { height:auto; aspect-ratio:1.4; }
  .pub-name { font-size:32px; }
  .journey { grid-template-columns:1fr; gap:22px; margin-top:0; padding:36px 0; }
  .journey h2 { font-size:28px; margin-bottom:24px; }
  .contact { padding:34px 0; }
  .contact h2 { font-size:36px; }
  .contact-email { font-size:21px; }
  .footer { margin:0 20px; gap:20px; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } *,*::before,*::after { animation:none!important; transition:none!important; } }