:root{
  --primary:#4f46e5;
  --primary-dark:#1e1b4b;
  --primary-2:#7c3aed;
  --accent:#38bdf8;
  --accent-2:#a78bfa;
  --accent-soft:#eef2ff;
  --ink:#111827;
  --muted:#64748b;
  --line:rgba(79,70,229,.16);
  --paper:rgba(255,255,255,.92);
  --glass:rgba(255,255,255,.72);
  --shadow:0 24px 70px rgba(30,27,75,.14);
  --radius:22px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;background:
  radial-gradient(circle at 12% 0%, rgba(56,189,248,.22), transparent 28rem),
  radial-gradient(circle at 88% 12%, rgba(79,70,229,.12), transparent 30rem),
  linear-gradient(180deg,#f8fbff 0%,#f3f0ff 44%,#eef2ff 100%);line-height:1.72;min-height:100vh}
a{color:var(--primary);text-decoration:none;transition:.25s ease}a:hover{color:var(--primary-2)}img{max-width:100%;height:auto;display:block}sub,sup{line-height:0}.site-header{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(30,27,75,.94),rgba(79,70,229,.88)),url('../images/banner.jpg') center/cover no-repeat;color:#fff}.site-header::after{content:"";position:absolute;inset:auto -10% -45% -10%;height:68%;background:radial-gradient(ellipse at center,rgba(255,255,255,.2),transparent 65%);pointer-events:none}.hero-shell{position:relative;z-index:1;max-width:var(--max);margin:0 auto;padding:28px 24px 58px}.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px}.brand-lockup{display:flex;align-items:center;gap:14px;color:#fff}.brand-lockup:hover{color:#fff}.brand-mark{width:58px;height:58px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.38);background:rgba(255,255,255,.13);backdrop-filter:blur(12px);font-weight:800;letter-spacing:.04em}.brand-text{display:flex;flex-direction:column;gap:3px}.brand-text strong{font-size:1.05rem;letter-spacing:.05em}.brand-text small{font-size:.75rem;color:rgba(255,255,255,.72)}.hero-tag{border:1px solid rgba(255,255,255,.22);padding:9px 14px;color:rgba(255,255,255,.82);font-size:.85rem;background:rgba(255,255,255,.08);backdrop-filter:blur(12px)}.hero-content{max-width:820px;padding-top:78px}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;margin:0 0 14px;color:var(--accent);font-size:.78rem;text-transform:uppercase;letter-spacing:.16em;font-weight:700}.eyebrow::before,.section-kicker::before{content:"";width:34px;height:1px;background:currentColor}.hero-content h1{font-size:clamp(2.35rem,5vw,4.8rem);line-height:1.05;margin:0;letter-spacing:-.04em}.hero-subtitle{max-width:760px;margin:18px 0 0;color:rgba(255,255,255,.82);font-size:clamp(1rem,2vw,1.25rem)}.nav-wrapper{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.8);backdrop-filter:blur(18px);box-shadow:0 1px 0 rgba(79,70,229,.12)}.site-nav{max-width:var(--max);margin:0 auto;min-height:58px;display:flex;align-items:center;justify-content:center;padding:0 24px}.nav-links{width:100%;display:flex;justify-content:center;gap:6px}.nav-link{position:relative;display:inline-flex;align-items:center;justify-content:center;padding:16px 18px;color:#1e1b4b;font-weight:700;letter-spacing:.02em}.nav-link::after{content:"";position:absolute;left:18px;right:18px;bottom:10px;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:center;transition:.25s}.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}.nav-link.active{color:var(--primary)}.menu-toggle{display:none;background:transparent;border:0;width:44px;height:44px;padding:10px;cursor:pointer}.menu-toggle span{display:block;height:2px;background:var(--primary);margin:6px 0;transition:.25s}.menu-toggle.is-open span:nth-child(1){transform:translateY(8px) rotate(45deg)}.menu-toggle.is-open span:nth-child(2){opacity:0}.menu-toggle.is-open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.page-container{max-width:var(--max);margin:0 auto;padding:42px 24px 72px}.home-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(320px,.8fr);gap:26px}.feature-card,.content-card,.news-card,.quick-card,.member-card,.research-card,.facility-card,.gallery-card,.year-block,.profile-photo-card,.facility-divider{background:var(--paper);border:1px solid rgba(255,255,255,.72);box-shadow:var(--shadow);border-radius:var(--radius);overflow:hidden}.feature-card.large{padding:34px}.feature-card h2,.news-card h2,.content-card h2{margin:0 0 14px;font-size:clamp(1.45rem,3vw,2.05rem);letter-spacing:-.03em;color:var(--primary-dark)}.feature-card p{font-size:1.08rem;text-indent:2em;margin:12px 0;color:#343a40}.feature-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.primary-button,.ghost-button{display:inline-flex;align-items:center;justify-content:center;padding:11px 18px;border-radius:999px;font-weight:800}.primary-button{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 12px 30px rgba(79,70,229,.25)}.primary-button:hover{color:#fff;transform:translateY(-2px)}.ghost-button{border:1px solid var(--line);background:#fff;color:var(--primary)}.ghost-button:hover{background:var(--accent-soft)}.news-card{padding:24px}.news-cover{display:grid;gap:14px;color:#111827}.news-cover img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;background:#fff;box-shadow:0 14px 35px rgba(0,0,0,.10)}.news-cover span{font-size:1.03rem;font-weight:800}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:26px 0}.quick-card{padding:24px;min-height:160px;display:flex;flex-direction:column;gap:12px;color:#1e293b;background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(248,250,255,.9))}.quick-card span{color:var(--accent);font-weight:900;letter-spacing:.12em}.quick-card strong{font-size:1.25rem;color:var(--primary-dark)}.quick-card em{font-style:normal;color:var(--muted);font-size:.94rem}.quick-card:hover{transform:translateY(-5px);box-shadow:0 28px 70px rgba(30,27,75,.2)}.two-column-section{display:grid;grid-template-columns:1fr 1fr;gap:26px}.content-card{padding:30px}.contact-block p{font-weight:600;color:#343a40}.link-cloud{display:flex;flex-wrap:wrap;gap:12px}.link-cloud a{padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#334155;font-weight:700}.section-block{margin-bottom:34px}.section-heading{margin:0 0 18px}.section-heading span{color:var(--accent);font-weight:900;letter-spacing:.14em;text-transform:uppercase}.section-heading h2{font-size:2rem;margin:4px 0 0;color:var(--primary-dark)}.member-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.member-card{display:grid;grid-template-columns:110px 1fr;gap:18px;padding:18px;background:linear-gradient(135deg,#fff,#f8faff)}.member-card img{width:110px;height:138px;object-fit:cover;border-radius:16px;box-shadow:0 10px 24px rgba(0,0,0,.12)}.member-info h2{margin:0 0 7px;font-size:1.25rem;color:var(--primary-dark);letter-spacing:0}.member-info h2 a{color:var(--primary-dark)}.member-role p,.member-role{margin:0;color:#334155;font-weight:800}.member-meta p,.member-meta{font-size:.95rem;color:var(--muted);margin-top:8px}.member-placeholder{width:110px;height:138px;border-radius:16px;background:var(--accent-soft);display:grid;place-items:center;color:var(--primary);font-weight:900}.alumni-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 22px;background:var(--paper);border:1px solid rgba(255,255,255,.75);box-shadow:var(--shadow);border-radius:var(--radius);padding:26px 34px;margin:0}.alumni-list li{padding:8px 0;color:#3b3f45}.research-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.research-card{padding:30px;min-height:190px;background:linear-gradient(135deg,#fff,#f5f3ff);position:relative}.research-card::after{content:"";position:absolute;right:-30px;bottom:-30px;width:130px;height:130px;border-radius:50%;background:rgba(56,189,248,.16)}.research-card span{color:var(--accent);font-size:.95rem;font-weight:900;letter-spacing:.16em}.research-card h2{margin:18px 0 0;font-size:1.25rem;line-height:1.45;color:var(--primary-dark)}.facility-list{display:grid;gap:24px}.facility-card{display:grid;grid-template-columns:minmax(260px,.85fr) minmax(0,1.15fr);gap:0;background:#fff}.facility-media{display:grid;gap:0;background:#e0e7ff;align-content:start}.facility-media img{width:100%;height:100%;max-height:460px;object-fit:cover}.facility-media img+img{border-top:1px solid #fff}.facility-text{padding:28px}.facility-text h2{font-size:1.45rem;line-height:1.35;margin:0 0 14px;color:var(--primary-dark)}.facility-text p{margin:10px 0;color:#3a3f46}.facility-divider{padding:24px 28px;background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff}.facility-divider h2{margin:0;font-size:1.3rem}.inline-bullet{color:var(--accent);font-weight:900;margin-right:6px}.gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.gallery-card{background:#fff;margin:0}.gallery-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.gallery-card figcaption{padding:16px 18px;font-weight:800;color:var(--primary-dark);text-align:center}.publication-timeline{display:grid;gap:24px}.year-block{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:26px;background:#fff}.year-label{font-size:1.7rem;font-weight:900;color:var(--primary);line-height:1}.paper-list{margin:0;padding-left:22px;display:grid;gap:14px}.paper-list li{padding-bottom:14px;border-bottom:1px solid rgba(79,70,229,.1);color:#29313a}.paper-list li:last-child{border-bottom:0;padding-bottom:0}.prose{font-size:1.02rem}.prose h1{font-size:2.1rem;text-align:left;margin:0 0 20px;color:var(--primary-dark)}.prose h2{margin-top:28px;color:var(--primary-dark)}.prose h3{margin:22px 0 8px;color:var(--primary);font-size:1.18rem}.prose p{margin:12px 0;color:#313942}.prose img{border-radius:16px;box-shadow:0 16px 45px rgba(0,0,0,.12);margin:18px auto;max-height:720px;object-fit:contain}.prose table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 12px 30px rgba(0,0,0,.08)}.prose th,.prose td{border:1px solid rgba(79,70,229,.12);padding:13px 14px;vertical-align:top}.prose tr:nth-child(even){background:#f8fbff}.profile-layout{display:grid;grid-template-columns:280px 1fr;gap:26px;align-items:start}.profile-photo-card{position:sticky;top:86px;padding:20px;background:#fff}.profile-photo-card img{width:100%;border-radius:18px;box-shadow:0 16px 40px rgba(0,0,0,.14);margin-bottom:18px}.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.78);padding:26px 24px}.footer-inner{max-width:var(--max);margin:0 auto;text-align:center;font-size:.9rem}.footer-inner strong{color:#fff}.animate-on-scroll{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}.animate-on-scroll.is-visible{opacity:1;transform:translateY(0)}@media (max-width:960px){.home-grid,.two-column-section,.facility-card,.profile-layout{grid-template-columns:1fr}.quick-grid{grid-template-columns:repeat(2,1fr)}.member-grid,.research-grid,.alumni-list{grid-template-columns:1fr}.gallery-grid{grid-template-columns:repeat(2,1fr)}.year-block{grid-template-columns:1fr}.profile-photo-card{position:relative;top:auto;max-width:320px}.hero-content{padding-top:52px}.hero-tag{display:none}}@media (max-width:760px){.hero-shell{padding:22px 18px 44px}.brand-row{align-items:flex-start}.brand-mark{width:50px;height:50px}.brand-text strong{font-size:.95rem}.brand-text small{display:none}.site-nav{justify-content:flex-end;min-height:54px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:12px;right:12px;top:58px;background:rgba(255,255,255,.96);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:10px;flex-direction:column}.nav-links.is-open{display:flex}.nav-link{justify-content:flex-start;border-radius:12px;padding:12px 14px}.nav-link.active,.nav-link:hover{background:var(--accent-soft)}.nav-link::after{display:none}.page-container{padding:28px 16px 50px}.quick-grid,.gallery-grid{grid-template-columns:1fr}.content-card,.feature-card.large,.news-card{padding:22px}.member-card{grid-template-columns:86px 1fr}.member-card img,.member-placeholder{width:86px;height:108px}.facility-text{padding:22px}.prose table{font-size:.85rem;display:block;overflow-x:auto}.hero-content h1{font-size:2.25rem}}


/* --- 2026 update: paper page year navigation and verified paper-item format --- */
.papers-modern-block{position:relative}.year-jump-bar{position:sticky;top:70px;z-index:8;display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 26px;padding:14px 16px;border:1px solid rgba(79,70,229,.13);border-radius:18px;background:rgba(255,255,255,.84);backdrop-filter:blur(16px);box-shadow:0 12px 34px rgba(30,27,75,.10)}.year-jump-button{display:inline-flex;align-items:center;justify-content:center;min-width:62px;padding:8px 13px;border-radius:999px;background:#fff;border:1px solid rgba(79,70,229,.16);color:var(--primary);font-weight:900;letter-spacing:.02em}.year-jump-button:hover{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(79,70,229,.20)}.paper-format-list{display:grid;gap:24px}.paper-format-list .paper-item{background:rgba(255,255,255,.94);border:1px solid rgba(79,70,229,.12);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 30px;scroll-margin-top:146px}.paper-format-list .year-header{display:flex;align-items:center;gap:14px;margin:0 0 18px;color:var(--primary-dark);font-size:2rem;line-height:1;font-weight:950;letter-spacing:-.03em;scroll-margin-top:146px}.paper-format-list .year-header::after{content:"";height:1px;flex:1;background:linear-gradient(90deg,rgba(79,70,229,.36),transparent)}.paper-format-list .paper-item p{margin:0;color:#29313a;font-size:1.01rem;line-height:1.82}.paper-format-list .paper-item b{color:#17191f}.paper-format-list .paper-item a{color:var(--primary);font-weight:800;border-bottom:1px solid rgba(79,70,229,.25)}.paper-format-list .paper-item a:hover{color:var(--primary-2);border-bottom-color:var(--primary-2)}

/* --- 2026 update: clickable member-card hover cue and blank photo placeholders --- */
a.member-card{color:inherit}.member-card-clickable{position:relative;cursor:pointer;border:1px solid rgba(79,70,229,.16);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease,background .28s ease}.member-card-clickable::after{content:"查看个人主页 →";position:absolute;right:16px;bottom:12px;padding:5px 10px;border-radius:999px;background:rgba(79,70,229,.92);color:#fff;font-size:.78rem;font-weight:900;letter-spacing:.02em;opacity:0;transform:translateY(6px);transition:.25s ease;box-shadow:0 8px 18px rgba(79,70,229,.18)}.member-card-clickable:hover{color:inherit;transform:translateY(-6px);border-color:rgba(79,70,229,.38);box-shadow:0 30px 78px rgba(30,27,75,.22);background:linear-gradient(135deg,#fff,#eef2ff)}.member-card-clickable:hover::after{opacity:1;transform:translateY(0)}.member-card-clickable:hover .member-info h2{color:var(--primary)}.member-photo-placeholder,.profile-placeholder{border:1px dashed rgba(79,70,229,.28);background:linear-gradient(135deg,#f8fbff,#e0e7ff);color:var(--primary-dark);text-align:center}.member-photo-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}.member-photo-placeholder span{font-weight:950}.member-photo-placeholder small{font-size:.72rem;color:var(--muted);font-weight:800}.profile-placeholder{width:100%;aspect-ratio:3/4;border-radius:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;margin-bottom:18px;box-shadow:0 16px 40px rgba(0,0,0,.08)}.profile-placeholder span{font-size:1.65rem;font-weight:950;color:var(--primary-dark)}.profile-placeholder small{font-size:.92rem;color:var(--muted);font-weight:800}.profile-content sup{font-size:.75em}.profile-content p strong{color:var(--primary-dark)}
@media (max-width:760px){.year-jump-bar{top:64px;gap:8px;padding:12px}.year-jump-button{min-width:56px;padding:7px 11px}.paper-format-list .paper-item{padding:20px 18px;scroll-margin-top:150px}.paper-format-list .year-header{font-size:1.6rem}.member-card-clickable::after{position:static;align-self:start;grid-column:2;margin-top:4px;opacity:1;transform:none;background:rgba(79,70,229,.10);color:var(--primary)}}


/* --- Blue-purple visual refresh and homepage research-progress carousel --- */
body{background:
  radial-gradient(circle at 12% 0%, rgba(56,189,248,.22), transparent 28rem),
  radial-gradient(circle at 88% 12%, rgba(124,58,237,.16), transparent 30rem),
  linear-gradient(180deg,#f8fbff 0%,#f3f0ff 44%,#eef2ff 100%)}
.site-header{background:linear-gradient(135deg,rgba(30,27,75,.94),rgba(79,70,229,.78),rgba(124,58,237,.72)),url('../images/banner.jpg') center/cover no-repeat}
.brand-mark{background:linear-gradient(135deg,rgba(255,255,255,.18),rgba(56,189,248,.12));box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.hero-tag{border-color:rgba(255,255,255,.24);background:rgba(15,23,42,.16)}
.home-intro-single{display:block}.home-intro-single .feature-card{max-width:none}.home-intro-single .feature-card p{max-width:980px}
.progress-carousel-section{margin:28px 0;background:var(--paper);border:1px solid rgba(255,255,255,.76);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;overflow:hidden}.carousel-heading{margin-bottom:20px}.carousel-heading p{margin:8px 0 0;color:var(--muted);font-size:1rem}.progress-carousel{position:relative;height:460px;border-radius:20px;overflow:hidden;background:#0f172a;box-shadow:0 24px 70px rgba(30,27,75,.18)}.progress-slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .55s ease}.progress-slide.active{opacity:1;pointer-events:auto}.progress-slide a{display:block;height:100%;color:#fff}.progress-slide img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05) contrast(1.02)}.progress-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,23,42,.86) 0%,rgba(30,27,75,.58) 42%,rgba(79,70,229,.08) 100%),linear-gradient(0deg,rgba(15,23,42,.35),transparent 48%);pointer-events:none}.progress-caption{position:absolute;z-index:2;left:32px;bottom:32px;max-width:680px;color:#fff}.progress-caption span{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--primary-2));box-shadow:0 12px 28px rgba(56,189,248,.22);font-weight:950;margin-bottom:16px}.progress-caption h3{margin:0;font-size:clamp(1.45rem,3vw,2.55rem);line-height:1.18;letter-spacing:-.03em}.progress-caption p{margin:12px 0 0;color:rgba(255,255,255,.82);font-size:1.05rem}.progress-controls{position:absolute;z-index:3;right:28px;bottom:28px;display:flex;gap:10px}.progress-btn{width:14px;height:14px;border-radius:50%;border:2px solid rgba(255,255,255,.72);background:rgba(255,255,255,.22);cursor:pointer;transition:.25s}.progress-btn.active,.progress-btn:hover{background:var(--accent);border-color:#fff;transform:scale(1.22);box-shadow:0 0 0 6px rgba(56,189,248,.16)}.profile-photo{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:18px;margin-bottom:18px;box-shadow:0 16px 40px rgba(30,27,75,.16);background:#eef2ff}.profile-photo-card .profile-photo{max-height:520px;object-position:center top}.member-card-clickable:hover{background:linear-gradient(135deg,#fff,#eef2ff)}.member-card-clickable::after{background:linear-gradient(135deg,var(--primary),var(--primary-2))}
@media (max-width:760px){.progress-carousel-section{padding:18px}.progress-carousel{height:360px}.progress-caption{left:20px;right:20px;bottom:56px}.progress-caption span{width:38px;height:38px;margin-bottom:10px}.progress-caption h3{font-size:1.35rem}.progress-caption p{font-size:.92rem}.progress-controls{right:20px;bottom:20px}.profile-photo-card .profile-photo{max-height:420px}}


/* --- 2026-06-08 refinement: unified banner, link hover, visited paper links --- */
:root{--hero-height:340px}
.site-header{height:var(--hero-height);min-height:var(--hero-height);background-position:center center;background-size:cover}
.hero-shell{height:100%;min-height:0;display:flex;flex-direction:column;padding:28px 24px 52px}
.hero-content{padding-top:0;margin-top:auto}
.link-cloud a{transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease}
.link-cloud a:hover,.link-cloud a:focus-visible{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));border-color:transparent;transform:translateY(-3px);box-shadow:0 16px 34px rgba(79,70,229,.22);outline:none}
.paper-format-list .paper-item a b{color:inherit}
.paper-format-list .paper-item a:visited{color:#6d28d9;border-bottom-color:rgba(109,40,217,.44)}
.paper-format-list .paper-item a:visited b{color:inherit}
.paper-format-list .paper-item a:hover b{color:inherit}
@media (max-width:960px){:root{--hero-height:320px}.hero-content{padding-top:0}}
@media (max-width:760px){:root{--hero-height:300px}.hero-shell{padding:22px 18px 42px}.hero-content{padding-top:0}.hero-content h1{font-size:2.15rem}}


/* --- 2026-06-08 refinement: home title, carousel speed feel, persistent visited paper links --- */
.home-page .hero-content h1{
  white-space:nowrap;
  letter-spacing:-.04em;
  font-size:clamp(1.86rem,5.15vw,4.2rem);
}
.progress-slide{transition:opacity .34s ease}
.paper-format-list .paper-item a,
.paper-format-list .paper-item a b{
  font-weight:900;
}
.paper-format-list .paper-item a:visited,
.paper-format-list .paper-item a.visited-paper-link{
  color:#7c3aed;
  border-bottom-color:rgba(124,58,237,.55);
}
.paper-format-list .paper-item a:visited b,
.paper-format-list .paper-item a.visited-paper-link b{
  color:inherit;
  font-weight:900;
}
.paper-format-list .paper-item a:hover,
.paper-format-list .paper-item a.visited-paper-link:hover{
  color:var(--primary-2);
  border-bottom-color:var(--primary-2);
}
.paper-format-list .paper-item a:hover b{
  color:inherit;
  font-weight:900;
}
.link-cloud a:hover{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 34px rgba(79,70,229,.18);
}
@media (max-width:760px){
  .home-page .hero-content h1{font-size:clamp(1.42rem,7.25vw,2.15rem)}
}

/* --- 2026-06-08 refinement: paper link scheme based on reference page --- */
.paper-format-list .paper-item a{
  color:#174ea6;
  font-weight:500;
  border-bottom:none;
  text-decoration:none;
  transition:color .22s ease, background-size .22s ease;
  background-image:linear-gradient(currentColor,currentColor);
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0 1px;
}
.paper-format-list .paper-item a b{
  color:inherit;
  font-weight:900;
}
.paper-format-list .paper-item a:visited,
.paper-format-list .paper-item a.visited-paper-link{
  color:#7e22ce;
}
.paper-format-list .paper-item a:visited b,
.paper-format-list .paper-item a.visited-paper-link b{
  color:inherit;
  font-weight:900;
}
.paper-format-list .paper-item a:hover,
.paper-format-list .paper-item a.visited-paper-link:hover{
  color:#0b3d91;
  background-size:100% 1px;
}
.paper-format-list .paper-item a:active{
  color:#dc2626;
}
.paper-format-list .paper-item a:hover b,
.paper-format-list .paper-item a:active b{
  color:inherit;
  font-weight:900;
}