/* Modern CSS Variables for consistent theming */
:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #64748b;
  --accent-color: #0ea5e9;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --background-primary: #ffffff;
  --background-secondary: #f8fafc;
  --background-accent: #f1f5f9;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-subtle: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Smooth scrolling for better UX */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  background-color: var(--background-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


/* Modern Button Styles */
.button {
  border-radius: var(--border-radius) !important;
  font-weight: 600 !important;
  transition: var(--transition) !important;
  border: 2px solid transparent !important;
  position: relative;
  overflow: hidden;
}

.button.is-dark {
  background: var(--text-primary) !important;
  border: none !important;
  color: white !important;
  box-shadow: var(--shadow-md);
}

.button.is-dark:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: var(--primary-color) !important;
}

.button.is-dark:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.footer .icon-link {
    font-size: 25px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer .icon-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.link-block a {
    margin: 8px 4px;
}

.dnerf {
  font-variant: small-caps;
}


/* Hero Section Modernization */
.hero {
  position: relative;
  overflow: hidden;
}

.hero.is-light {
  background: var(--background-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.hero-body {
  padding: 4rem 1.5rem;
}

.teaser .hero-body {
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.teaser {
  font-family: 'Inter', sans-serif;
}

/* RAGEN-style landing hero (gradient, CTA, author card) */
.hero.hero-landing {
  overflow: visible;
  background: linear-gradient(
    165deg,
    #fff5f7 0%,
    #faf5ff 38%,
    #ede9fe 72%,
    #e9d5ff 100%
  );
  border-bottom: none;
}

.hero.hero-landing .hero-body {
  padding: calc(max(0px, env(safe-area-inset-top, 0px)) + 0.65rem) 1.5rem 2rem;
}

.landing-stack {
  max-width: min(980px, 100%);
  margin: 0 auto;
  text-align: center;
}

/* “More research” pill row (related project links) */
.landing-more-research {
  margin: 0 auto 2rem;
  padding: 0 0.5rem;
}

.landing-more-research__pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 0.55rem;
}

.landing-more-research__pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.42rem 0.95rem;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.2;
  border-radius: 999px;
  border: 1px solid rgba(226, 232, 240, 0.98);
  background: rgba(255, 255, 255, 0.78);
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 0 0 1px rgba(255, 255, 255, 0.65) inset;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.landing-more-research__pill--label {
  color: #1e293b;
  letter-spacing: -0.01em;
  cursor: default;
  user-select: none;
}

.landing-more-research__pill--link {
  color: #2563eb;
  text-decoration: none;
  transition:
    color 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.landing-more-research__pill--link i {
  font-size: 0.88em;
  color: #3b82f6;
  opacity: 0.95;
}

.landing-more-research__pill--link:hover {
  color: #1d4ed8;
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(191, 219, 254, 0.95);
  box-shadow:
    0 4px 16px rgba(37, 99, 235, 0.12),
    0 0 0 1px rgba(255, 255, 255, 0.85) inset;
  transform: translateY(-1px);
}

.landing-more-research__pill--link:hover i {
  color: #2563eb;
}

.landing-more-research__pill--link:active {
  transform: translateY(0);
}

.landing-more-research__pill--link:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 3px;
}

@media screen and (max-width: 480px) {
  .landing-more-research__pill {
    font-size: 0.76rem;
    padding: 0.38rem 0.8rem;
  }
}

.landing-brand-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem 0.85rem;
  margin: 0 auto;
  overflow: visible;
  /* box-reflect 不占文档流：用下内边距为倒影留出高度，避免与副标题重叠 */
  padding-bottom: clamp(1.55rem, 3.6vw, 2rem);
}

.landing-brand-icon {
  display: block;
  height: clamp(36px, 8vw, 52px);
  width: auto;
  max-width: min(200px, 42vw);
  object-fit: contain;
  object-position: left center;
  flex-shrink: 0;
  border: none;
  outline: none;
  background: transparent;
  box-shadow: none;
}

.landing-brand-name {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-weight: 800;
  font-size: clamp(2.15rem, 4.8vw, 3.1rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin: 0;
  padding: 0;
  /* 仅与文字等宽，避免倒影横向拉满整行（ThinkMorph 式紧凑镜像） */
  display: inline-block;
  width: max-content;
  max-width: 100%;
  vertical-align: bottom;
  /* 深蓝 → 靛蓝 → 略偏紫的靛青，同色系、偏学术站气质 */
  background: linear-gradient(
    118deg,
    #0f2847 0%,
    #1e3a8a 32%,
    #2563eb 58%,
    #3730a3 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  /* 倒影：较大负 offset 消除字线与镜像之间的空隙（WebKit 行盒留白） */
  -webkit-box-reflect: below -0.42em
    linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.5) 0%,
      rgba(199, 210, 254, 0.2) 22%,
      rgba(167, 139, 250, 0.06) 40%,
      rgba(255, 255, 255, 0) 48%
    );
}

.landing-headline {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-weight: 800;
  font-size: clamp(1.75rem, 5vw, 1.75rem);
  line-height: 1.38;
  letter-spacing: -0.02em;
  color: #1e293b;
  margin: 0.5rem auto 0;
  max-width: 80rem;
  padding: 0 0.5rem;
  box-sizing: border-box;
}

.landing-byline {
  margin: 1.75rem auto 0;
  max-width: 52rem;
  padding: 0 0.35rem;
}

.landing-authors-block {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}

.landing-byline .landing-authors-row {
  margin: 0;
  font-size: clamp(0.86rem, 2vw, 0.98rem);
  font-weight: 600;
  line-height: 1.38;
  color: #3498db;
}

.landing-byline .landing-authors-row sup {
  font-size: 0.68em;
  font-weight: 700;
  color: #2980b9;
}

.landing-byline .landing-authors-row a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 152, 219, 0.5);
  -webkit-tap-highlight-color: transparent;
}

.landing-byline .landing-authors-row a:hover {
  border-bottom-color: #2980b9;
}

.landing-byline .landing-authors-row a:focus {
  outline: none;
}

.landing-affils {
  margin-top: 0.38rem;
}

.landing-affil-line {
  margin: 0.12rem 0;
  font-size: clamp(0.78rem, 1.85vw, 0.9rem);
  font-weight: 500;
  line-height: 1.42;
  color: #4a4a4a;
}

.landing-affil-line sup {
  margin-right: 0.08rem;
  font-weight: 700;
  font-size: 0.75em;
  color: #5c5c5c;
}

.landing-meta-note {
  margin: 0.35rem 0 0;
  font-size: 0.76rem;
  color: #6b6b6b;
  line-height: 1.35;
}

.landing-meta-note sup {
  font-weight: 600;
}

.landing-actions {
  margin-top: 1.35rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.landing-btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.6rem 0.75rem;
}

.landing-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.62rem 1.15rem;
  background: #fff;
  color: #334155 !important;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 11px;
  border: 1px solid #e2e8f0;
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
  transition: var(--transition);
}

.landing-btn-secondary:hover {
  border-color: #c4b5fd;
  color: #1e293b !important;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.12);
  transform: translateY(-1px);
}

.landing-btn-secondary i {
  font-size: 1rem;
  opacity: 0.85;
}

.landing-icon-hf {
  display: inline-block;
  width: 1.05em;
  height: 1.05em;
  margin-right: 0.35rem;
  vertical-align: -0.14em;
  flex-shrink: 0;
  /* Hugging Face brand yellow */
  background-color: #ffd21e;
  filter: drop-shadow(0 1px 1px rgba(15, 23, 42, 0.12));
  -webkit-mask-image: url("../images/huggingface.svg");
  mask-image: url("../images/huggingface.svg");
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}

.landing-paradigm-compare {
  margin: 1.35rem auto 0;
  max-width: min(500px, 86%);
  padding: 0 0.25rem;
}

.landing-paradigm-trigger {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: zoom-in;
  font: inherit;
  color: inherit;
  text-align: center;
  position: relative;
  border-radius: 14px;
  transition: transform 0.35s cubic-bezier(0.34, 1.2, 0.64, 1);
}

.landing-paradigm-trigger:hover .landing-paradigm-frame,
.landing-paradigm-trigger:focus-visible .landing-paradigm-frame {
  box-shadow:
    0 8px 32px rgba(124, 58, 237, 0.18),
    0 0 0 1px rgba(167, 139, 250, 0.45),
    0 1px 3px rgba(15, 23, 42, 0.06);
  transform: translateY(-2px);
}

.landing-paradigm-trigger:focus-visible {
  outline: 2px solid #7c3aed;
  outline-offset: 3px;
}

.landing-paradigm-trigger:active {
  transform: scale(0.98);
}

.landing-paradigm-trigger:active .landing-paradigm-frame {
  transform: none;
}

.landing-paradigm-frame {
  display: block;
  background: #fff;
  border-radius: 14px;
  padding: clamp(0.3rem, 1vw, 0.5rem);
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow:
    0 6px 28px rgba(15, 23, 42, 0.07),
    0 1px 3px rgba(15, 23, 42, 0.04);
  overflow: hidden;
  transition: box-shadow 0.35s ease, transform 0.35s cubic-bezier(0.34, 1.2, 0.64, 1);
}

.landing-teaser-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.landing-paradigm-zoom-hint {
  position: absolute;
  bottom: 0.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  color: #475569;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.12);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  white-space: nowrap;
}

.landing-paradigm-zoom-hint i {
  margin-right: 0.35rem;
  opacity: 0.85;
}

.landing-paradigm-trigger:hover .landing-paradigm-zoom-hint,
.landing-paradigm-trigger:focus-visible .landing-paradigm-zoom-hint {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media screen and (max-width: 768px) {
  .landing-paradigm-zoom-hint {
    opacity: 0.92;
    transform: translateX(-50%) translateY(0);
    font-size: 0.62rem;
    padding: 0.3rem 0.55rem;
  }
}

.landing-paradigm-caption {
  margin: 0.55rem auto 0;
  max-width: 36rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #64748b;
  line-height: 1.4;
  text-align: center;
}

/* Teaser diagram lightbox */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body.teaser-lightbox-open,
body.bench-lightbox-open {
  overflow: hidden;
}

.teaser-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: min(1.5rem, 4vw);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.teaser-lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.teaser-lightbox[hidden] {
  display: none !important;
}

.teaser-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 120% 100% at 50% 40%, rgba(30, 27, 75, 0.45), rgba(15, 23, 42, 0.72));
  backdrop-filter: blur(12px) saturate(1.15);
  -webkit-backdrop-filter: blur(12px) saturate(1.15);
  cursor: zoom-out;
}

.teaser-lightbox-panel {
  position: relative;
  z-index: 1;
  max-width: min(1120px, 96vw);
  max-height: min(88vh, 900px);
  padding: 0.5rem;
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(250, 245, 255, 0.96));
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.5),
    0 4px 24px rgba(124, 58, 237, 0.12),
    0 32px 90px rgba(30, 58, 138, 0.28);
  transform: scale(0.88) translateY(24px);
  opacity: 0;
  filter: blur(4px);
  transition:
    transform 0.5s cubic-bezier(0.34, 1.25, 0.64, 1),
    opacity 0.45s ease,
    filter 0.45s ease;
}

.teaser-lightbox.is-open .teaser-lightbox-panel {
  transform: scale(1) translateY(0);
  opacity: 1;
  filter: blur(0);
  transition-delay: 0.06s;
}

.teaser-lightbox-img {
  display: block;
  width: 100%;
  max-height: min(82vh, 820px);
  height: auto;
  object-fit: contain;
  border-radius: 12px;
}

.teaser-lightbox-close {
  position: absolute;
  top: -0.35rem;
  right: -0.35rem;
  z-index: 2;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  background: linear-gradient(135deg, #6366f1, #7c3aed);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.teaser-lightbox-close:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 28px rgba(124, 58, 237, 0.55);
}

.teaser-lightbox-close:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

@media screen and (max-width: 768px) {
  .hero.hero-landing .hero-body {
    padding: calc(max(0px, env(safe-area-inset-top, 0px)) + 0.5rem) 1rem 1.5rem;
  }

  .landing-more-research {
    margin-bottom: 1.75rem;
  }

  .landing-byline {
    padding: 0 0.2rem;
  }

  .landing-paradigm-compare {
    margin-top: 1.1rem;
  }
}


/* Publication Content Styling */
.publication-title {
    font-family: 'Inter', sans-serif !important;
    font-weight: 800 !important;
    color: var(--text-primary) !important;
    margin-bottom: 2rem !important;
    line-height: 1.1 !important;
}

.publication-banner {
  max-height: 70vh;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  margin: 2rem 0;
}

.publication-banner video {
  position: relative;
  left: auto;
  top: auto;
  transform: none;
  object-fit: cover;
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-lg);
}

.publication-header .hero-body {
  padding: 6rem 1.5rem 4rem;
}

.publication-authors {
    font-family: 'Inter', sans-serif !important;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.publication-venue {
    color: var(--text-secondary);
    width: fit-content;
    font-weight: 600;
    background: var(--background-accent);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    display: inline-block;
}

.publication-awards {
    color: #ef4444;
    width: fit-content;
    font-weight: 700;
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border-left: 4px solid #ef4444;
    margin-top: 1rem;
}

.publication-authors a {
   color: var(--primary-color) !important;
   text-decoration: none;
   font-weight: 600;
   transition: var(--transition);
   position: relative;
}

.publication-authors a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background: var(--gradient-accent);
    transition: var(--transition);
}

.publication-authors a:hover::after {
    width: 100%;
}

.publication-authors a:hover {
    color: var(--primary-hover) !important;
}

.author-block {
  display: inline-block;
  margin-right: 0.5rem;
}

/* Qual demos + dataset + method + vis comparison + benchmark: same banded gradient as hero-landing */
.qual-results-section.hero.is-small,
.dataset-section.hero.is-small,
.model-section.hero.is-small,
.vis-comp-section.hero.is-small,
.bench-section.hero.is-small,
.vp-results-section.hero.is-small {
  background: linear-gradient(
    165deg,
    #fff5f7 0%,
    #faf5ff 38%,
    #ede9fe 72%,
    #e9d5ff 100%
  ) !important;
  padding-top: 2rem !important;
  padding-bottom: 2.25rem !important;
}

.qual-results-section .title.is-3 {
  margin-bottom: 1rem !important;
}

.qual-results-intro {
  max-width: min(48rem, 100%);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0.25rem;
}

/* Desktop: exactly 5 pairs per row — cards grow with container width */
.qual-results-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.55rem 0.65rem;
  margin-top: 1rem;
  text-align: center;
}

.qual-result-card {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  cursor: pointer;
  text-align: center;
  font: inherit;
  color: inherit;
  border-radius: 11px;
  background: transparent;
  transition: transform 0.25s ease;
  appearance: none;
  -webkit-appearance: none;
}

.qual-result-card::-moz-focus-inner {
  border: 0;
  padding: 0;
}

.qual-result-card-inner {
  display: block;
  position: relative;
  z-index: 1;
  border-radius: 11px;
  padding: 0.38rem 0.35rem 0.42rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(167, 139, 250, 0.22);
  box-shadow: 0 2px 8px rgba(91, 33, 182, 0.06);
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
}

.qual-result-card:hover .qual-result-card-inner,
.qual-result-card:focus-visible .qual-result-card-inner {
  border-color: #cbd5e1;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  transform: translateY(-2px);
}

.qual-result-card:active .qual-result-card-inner {
  transform: translateY(-1px) scale(0.99);
}

.qual-result-card:focus-visible {
  outline: none;
}

/* Inset focus ring — outside outline + offset often breaks into top/bottom arcs on rounded cards */
.qual-result-card:focus-visible .qual-result-card-inner {
  outline: none;
  box-shadow:
    inset 0 0 0 2px #3b82f6,
    0 2px 8px rgba(91, 33, 182, 0.06);
}

.qual-result-card:hover:focus-visible .qual-result-card-inner,
.qual-result-card:focus-visible:hover .qual-result-card-inner {
  box-shadow:
    inset 0 0 0 2px #3b82f6,
    0 8px 24px rgba(15, 23, 42, 0.08);
}

/*
 * 预览区：外层只负责圆角 + 裁剪；两图放在 flex 行里；缩放作用在 .qual-result-pair 上，
 * 避免直接 transform <img> 顶破圆角或产生上下“毛刺”。
 */
.qual-result-preview {
  display: block;
  border-radius: 8px;
  overflow: hidden;
  background: #0c0c0f;
  aspect-ratio: 2 / 1.05;
}

.qual-result-pair {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  width: 100%;
  height: 100%;
  min-height: 0;
  gap: 1px;
  background: #0c0c0f;
  transform-origin: center center;
  transition:
    transform 0.35s cubic-bezier(0.34, 1.15, 0.64, 1),
    filter 0.3s ease;
}

.qual-result-cell {
  flex: 1 1 0;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #0c0c0f;
}

.qual-result-cell img {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.qual-result-preview:hover .qual-result-pair,
.qual-result-card:focus-visible .qual-result-pair {
  transform: scale(1.05);
  filter: brightness(1.07) saturate(1.04);
}

@media (prefers-reduced-motion: reduce) {
  .qual-result-pair {
    transition-duration: 0.01ms;
  }

  .qual-result-preview:hover .qual-result-pair,
  .qual-result-card:focus-visible .qual-result-pair {
    transform: none;
    filter: none;
  }
}

.qual-result-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.28rem;
  margin-top: 0.22rem;
  flex-wrap: wrap;
}

.qual-result-name {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.qual-result-badge {
  font-size: 0.58rem;
  font-weight: 600;
  padding: 0.08rem 0.3rem;
  border-radius: 999px;
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
}

@media screen and (max-width: 1024px) {
  .qual-results-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem 0.55rem;
  }
}

@media screen and (max-width: 560px) {
  .qual-results-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.42rem 0.48rem;
  }

  .qual-result-preview {
    aspect-ratio: 2 / 1.12;
  }
}

/* Dataset + method + vis comparison (figure + optional intro text) */
.dataset-section,
.model-section {
  --ds-method-content-max: min(100%, 1024px);
}

.dataset-section .title.is-3,
.model-section .title.is-3,
.vis-comp-section .title.is-3 {
  margin-bottom: 1rem;
}

.dataset-figure,
.model-figure,
.vis-comp-figure {
  margin: 1.25rem auto 1.5rem;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--background-primary);
}

.dataset-figure,
.model-figure {
  max-width: var(--ds-method-content-max);
}

.vis-comp-figure {
  max-width: min(100%, 760px);
}

.dataset-figure img,
.model-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.vis-comp-figure button.vis-comp-zoom {
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  border: none;
  font: inherit;
  color: inherit;
  cursor: zoom-in;
  border-radius: inherit;
  background: var(--background-primary);
  appearance: none;
  -webkit-appearance: none;
  transition: transform 0.2s ease;
}

.vis-comp-figure button.vis-comp-zoom:hover {
  transform: translateY(-2px);
}

.vis-comp-figure button.vis-comp-zoom:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 3px;
}

.vis-comp-figure button.vis-comp-zoom img {
  display: block;
  width: 100%;
  height: auto;
  pointer-events: none;
}

.vis-comp-caption {
  margin-top: 0.5rem;
  text-align: center;
}

.vis-comp-caption .bench-zoom-hint {
  margin-bottom: 0;
}

.dataset-intro,
.model-intro {
  max-width: var(--ds-method-content-max);
  margin-left: auto;
  margin-right: auto;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.dataset-intro p,
.model-intro p {
  margin-bottom: 0;
}

.dataset-intro p + p,
.model-intro p + p {
  margin-top: 1rem;
}

/* Benchmark: intro + two figures side by side */
.bench-section .title.is-3 {
  margin-bottom: 1rem;
}

.bench-intro {
  max-width: min(52rem, 100%);
  margin: 0 auto 1.35rem;
  font-size: 0.98rem;
  line-height: 1.68;
  color: var(--text-secondary);
}

.bench-intro p {
  margin-bottom: 0;
}

.bench-intro p + p {
  margin-top: 0.65rem;
}

/* 左窄右宽；两侧画框同高；点击放大见 .bench-lightbox */
.bench-figures-row {
  --bench-frame-h: 300px;
  display: grid;
  grid-template-columns: minmax(0, 32%) minmax(0, 68%);
  gap: 0.85rem 1.25rem;
  align-items: stretch;
  max-width: min(100%, 900px);
  margin: 0 auto;
}

.bench-pair-figure {
  display: flex;
  flex-direction: column;
  margin: 0;
  min-width: 0;
  min-height: 0;
  height: 100%;
}

button.bench-pair-frame {
  appearance: none;
  -webkit-appearance: none;
  border: none;
  font: inherit;
  color: inherit;
  cursor: zoom-in;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-sizing: border-box;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--background-primary);
  padding: 0.4rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

button.bench-pair-frame:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

button.bench-pair-frame:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

/* 左侧：窄画框，与右侧同高 */
.bench-pair-frame--stat {
  width: 100%;
  max-width: 220px;
  height: var(--bench-frame-h);
  max-height: var(--bench-frame-h);
  margin-inline: auto;
}

/* 右侧：满列宽，与左侧同高 */
.bench-pair-frame--eval {
  width: 100%;
  height: var(--bench-frame-h);
  max-height: var(--bench-frame-h);
}

.bench-pair-frame img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
  pointer-events: none;
}

.bench-zoom-hint {
  display: block;
  font-size: 0.7rem;
  color: #64748b;
  font-style: italic;
  margin-bottom: 0.35rem;
}

.bench-pair-caption {
  flex: 1 1 auto;
  margin-top: 0.55rem;
  min-height: 0;
  font-size: 0.8rem;
  line-height: 1.5;
  color: #475569;
  text-align: left;
}

/* Benchmark 点击放大 */
.bench-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10055;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: min(0.75rem, 2vw);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.bench-lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.bench-lightbox[hidden] {
  display: none !important;
}

.bench-lightbox-backdrop {
  position: absolute;
  inset: 0;
  cursor: zoom-out;
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.bench-lightbox-panel {
  position: relative;
  z-index: 1;
  max-width: min(99vw, 1680px);
  max-height: min(96vh, 1240px);
  padding: 0.4rem;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.35);
  transform: scale(0.96);
  opacity: 0;
  transition:
    transform 0.3s cubic-bezier(0.34, 1.15, 0.64, 1),
    opacity 0.28s ease;
}

.bench-lightbox.is-open .bench-lightbox-panel {
  transform: scale(1);
  opacity: 1;
}

.bench-lightbox-img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: min(92vh, 1180px);
  height: auto;
  margin: 0 auto;
  object-fit: contain;
  border-radius: 10px;
}

.bench-lightbox-close {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  z-index: 2;
  width: 2.25rem;
  height: 2.25rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #64748b;
  background: #e2e8f0;
  transition: color 0.2s ease, background 0.2s ease;
}

.bench-lightbox-close:hover {
  color: #0f172a;
  background: #cbd5e1;
}

@media screen and (max-width: 768px) {
  .bench-figures-row {
    grid-template-columns: 1fr;
    max-width: min(100%, 520px);
    --bench-frame-h: 280px;
  }

  .bench-pair-frame--stat {
    max-width: 200px;
  }
}

/* VP-Bench quantitative results (tabs + table) */
.vp-results-section .title.is-3 {
  margin-bottom: 0.85rem !important;
}

.vp-results-intro {
  max-width: min(48rem, 100%);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.vp-results-abbr {
  max-width: min(52rem, 100%);
  margin: 0 auto 1rem;
  padding: 0.65rem 0.9rem;
  font-size: 0.72rem;
  line-height: 1.55;
  color: #475569;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(167, 139, 250, 0.2);
  border-radius: 10px;
  box-shadow: 0 1px 4px rgba(91, 33, 182, 0.05);
}

.vp-bench-mount {
  margin-top: 0.25rem;
}

.vp-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1.1rem;
}

.vp-tab {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid rgba(148, 163, 184, 0.55);
  background: rgba(255, 255, 255, 0.75);
  color: #334155;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.58rem 1.2rem;
  border-radius: 999px;
  cursor: pointer;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    color 0.2s ease;
}

.vp-tab:hover {
  border-color: #94a3b8;
  background: #fff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
}

.vp-tab:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.vp-tab.is-active {
  color: #fff;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.vp-panel[hidden] {
  display: none !important;
}

.vp-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(167, 139, 250, 0.22);
  box-shadow: 0 8px 28px rgba(91, 33, 182, 0.08);
  padding: 0.85rem 0.65rem 1.05rem;
}

.vp-results-table {
  width: 100%;
  min-width: 54rem;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 1.08rem;
  line-height: 1.45;
}

.vp-results-table col.vp-col-method {
  width: 12.5rem;
}

.vp-results-table col.vp-col-metric {
  width: auto;
}

.vp-results-table caption {
  caption-side: top;
  text-align: center;
  font-size: 1.05rem;
  font-weight: 600;
  font-style: italic;
  color: #475569;
  padding: 0.5rem 0.65rem 0.85rem;
  line-height: 1.4;
}

.vp-results-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #f1f5f9;
  color: #0f172a;
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding: 0.78rem 0.55rem;
  border-bottom: 2px solid #e2e8f0;
  white-space: nowrap;
  text-align: center;
  vertical-align: middle;
  box-sizing: border-box;
}

.vp-results-table thead th:first-child {
  text-align: left;
  padding-left: 1rem;
  padding-right: 0.55rem;
  border-radius: 10px 0 0 0;
  z-index: 3;
  left: 0;
}

.vp-results-table thead th:last-child {
  border-radius: 0 10px 0 0;
}

.vp-results-table tbody td {
  padding: 0.8rem 0.55rem;
  text-align: center;
  border-bottom: 1px solid #f1f5f9;
  font-variant-numeric: tabular-nums;
  vertical-align: middle;
  box-sizing: border-box;
}

.vp-results-table tbody th:first-child {
  text-align: left;
  padding: 0.8rem 0.55rem 0.8rem 1rem;
  font-size: 1.02rem;
  font-weight: 500;
  color: #1e293b;
  background: rgba(248, 250, 252, 0.95);
  position: sticky;
  left: 0;
  z-index: 1;
  box-shadow: 4px 0 12px -4px rgba(15, 23, 42, 0.08);
  vertical-align: middle;
  box-sizing: border-box;
}

.vp-results-table tbody tr:last-child td,
.vp-results-table tbody tr:last-child th {
  border-bottom: none;
}

.vp-row--ours th:first-child {
  font-weight: 700;
  color: #3730a3;
  background: #eef2ff;
  box-shadow:
    3px 0 0 #6366f1 inset,
    4px 0 12px -4px rgba(15, 23, 42, 0.08);
}

.vp-row--ours .vp-num {
  font-weight: 400;
  color: #1e293b;
}

.vp-num {
  background: transparent;
  color: #1e293b;
}

.vp-num--best {
  font-weight: 700;
  color: #0f172a;
}

.vp-row--ours .vp-num--best {
  font-weight: 700;
  color: #0f172a;
}

@media screen and (max-width: 768px) {
  .vp-results-table {
    font-size: 0.98rem;
    min-width: 44rem;
    line-height: 1.42;
  }

  .vp-results-table thead th {
    font-size: 0.82rem;
    padding: 0.65rem 0.45rem;
  }

  .vp-results-table tbody td {
    padding: 0.68rem 0.45rem;
  }

  .vp-results-table tbody th:first-child {
    font-size: 0.92rem;
    padding: 0.68rem 0.45rem 0.68rem 0.85rem;
  }

  .vp-results-table caption {
    font-size: 0.95rem;
  }

  .vp-results-table col.vp-col-method {
    width: 10.5rem;
  }

  .vp-tab {
    font-size: 0.92rem;
    padding: 0.52rem 1rem;
  }
}

/* Qual compare lightbox */
body.qual-compare-open {
  overflow: hidden;
}

.qual-compare-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10060;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: min(1.25rem, 3vw);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.45s ease, visibility 0.45s ease;
}

.qual-compare-lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* display:flex 会盖掉 [hidden] 的 UA display:none，fixed 全屏层仍存在 → 偶发竖线/阴影残留在页面上 */
.qual-compare-lightbox[hidden] {
  display: none !important;
}

.qual-compare-backdrop {
  position: absolute;
  inset: 0;
  cursor: zoom-out;
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.qual-compare-modal {
  position: relative;
  z-index: 1;
  width: min(360px, calc(100vw - 2rem));
  max-height: min(92vh, 900px);
  overflow: visible;
  padding: 1.1rem 1.15rem 1rem;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  box-shadow:
    0 1px 3px rgba(15, 23, 42, 0.06),
    0 20px 50px rgba(15, 23, 42, 0.18);
  transform: translateY(12px) scale(0.96);
  opacity: 0;
  transition:
    transform 0.35s cubic-bezier(0.34, 1.2, 0.64, 1),
    opacity 0.3s ease;
}

.qual-compare-lightbox.is-open .qual-compare-modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.qual-compare-close {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  z-index: 5;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  background: #f1f5f9;
  transition: color 0.2s ease, background 0.2s ease;
}

.qual-compare-close:hover {
  color: #0f172a;
  background: #e2e8f0;
}

.qual-compare-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 2.25rem 0.2rem 0;
  text-align: left;
  letter-spacing: -0.02em;
  color: #0f172a;
}

.qual-compare-sub {
  margin: 0 2.25rem 0.75rem 0;
  font-size: 0.72rem;
  color: #64748b;
  font-weight: 500;
}

.qual-compare-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  --qual-size: 256px;
}

/* Fixed 256² canvas: output full, input clipped — no gap between halves */
.qual-compare-viewport {
  position: relative;
  width: var(--qual-size);
  height: var(--qual-size);
  margin: 0 auto;
  border-radius: 10px;
  overflow: hidden;
  background: #0c0c0f;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
  touch-action: none;
  user-select: none;
}

.qual-compare-base {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  pointer-events: none;
}

.qual-compare-clip {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 50%;
  z-index: 2;
  overflow: hidden;
  box-shadow: 1px 0 0 0 rgba(255, 255, 255, 0.22);
}

.qual-compare-clip-inner {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--qual-size);
  height: var(--qual-size);
  pointer-events: none;
}

.qual-compare-overlay-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qual-compare-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 18px;
  margin-left: -9px;
  z-index: 3;
  cursor: ew-resize;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 竖线不顶满 256 框，减少“拖杆过长”观感，也避免阴影在合成层上拉得太长 */
.qual-compare-handle-line {
  position: absolute;
  top: 18%;
  bottom: 18%;
  left: 50%;
  width: 2px;
  margin-left: -1px;
  background: rgba(255, 255, 255, 0.88);
  border-radius: 1px;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.35);
}

.qual-compare-handle-grip {
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #f8fafc;
  border: 2px solid rgba(15, 23, 42, 0.25);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.qual-compare-handle:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

.qual-compare-legend {
  display: flex;
  justify-content: space-between;
  width: var(--qual-size);
  margin-top: 0.5rem;
  font-size: 0.68rem;
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.qual-compare-legend-in {
  color: #475569;
}

.qual-compare-legend-out {
  color: #475569;
}

.publication-banner img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.publication-banner img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

.publication-body img {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.publication-body img:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.eql-cntrb { 
  font-size: 0.875rem;
  color: var(--text-light);
  font-style: italic;
}

/* Section Titles */
.title.is-3 {
  font-family: 'Inter', sans-serif !important;
  font-weight: 700 !important;
  color: var(--text-primary);
  margin-bottom: 2rem !important;
  position: relative;
  padding-bottom: 1rem;
}

.title.is-3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

/* Content Improvements */
.content.has-text-justified {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.content.has-text-justified p {
  margin-bottom: 1.5rem;
}

/* Abstract: tighter, smaller block; emphasized terms in brand color */
.paper-abstract-section.hero {
  padding-top: 2.25rem !important;
  padding-bottom: 2.25rem !important;
}

.paper-abstract-title.title.is-3 {
  font-size: 1.35rem !important;
  margin-bottom: 0.85rem !important;
  padding-bottom: 0.6rem !important;
  color: var(--text-primary);
}

.paper-abstract-title.title.is-3::after {
  width: 44px;
  height: 2px;
}

.paper-abstract.content.has-text-justified {
  font-size: 0.9rem;
  line-height: 1.5;
  color: #475569;
  width: 100%;
  max-width: min(100%, 56rem);
  margin-left: auto;
  margin-right: auto;
}

.paper-abstract.content.has-text-justified p {
  margin-bottom: 0;
}

.paper-abstract .abstract-key {
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: -0.01em;
}

/* Footer Improvements */
.footer {
  background: var(--background-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 1.5rem;
}

.footer .content {
  color: var(--text-secondary);
  line-height: 1.7;
}

.footer a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.footer a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* BibTeX Styling */
pre {
  background: var(--background-accent) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--border-radius) !important;
  padding: 1.5rem !important;
  font-size: 0.9rem !important;
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

code {
  background: var(--background-accent) !important;
  color: var(--text-primary) !important;
  font-family: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace !important;
}

/* BibTeX Section Improvements */
.bibtex-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.copy-bibtex-btn {
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.copy-bibtex-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.copy-bibtex-btn.copied {
  background: #10b981;
}

.copy-bibtex-btn.copied .copy-text::after {
  content: "ied!";
}

/* Right / bottom quick section navigation */
.section-quick-nav {
  position: fixed;
  z-index: 1001;
  pointer-events: none;
}

.section-quick-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  pointer-events: auto;
}

.section-quick-nav__link {
  display: block;
  position: relative;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.35;
  padding: 0.5rem 0.65rem 0.5rem 0.95rem;
  color: #64748b;
  text-decoration: none;
  border-radius: 10px;
  border: none;
  background: transparent;
  transition:
    color 0.22s ease,
    background 0.22s ease,
    transform 0.22s ease,
    box-shadow 0.22s ease;
}

.section-quick-nav__link::before {
  content: '';
  position: absolute;
  left: 0.35rem;
  top: 50%;
  width: 3px;
  height: 3px;
  margin-top: -1.5px;
  border-radius: 999px;
  background: #cbd5e1;
  opacity: 0.55;
  transition:
    height 0.22s ease,
    margin-top 0.22s ease,
    background 0.22s ease,
    opacity 0.22s ease,
    border-radius 0.22s ease;
}

.section-quick-nav__link:hover {
  color: #334155;
  background: rgba(99, 102, 241, 0.07);
  transform: translateX(-2px);
}

.section-quick-nav__link:hover::before {
  background: #a5b4fc;
  opacity: 1;
}

.section-quick-nav__link:focus-visible {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

.section-quick-nav__link.is-active {
  color: #312e81;
  font-weight: 600;
  background: linear-gradient(105deg, rgba(238, 242, 255, 0.95) 0%, rgba(255, 255, 255, 0.5) 100%);
  box-shadow: inset 0 0 0 1px rgba(165, 180, 252, 0.45);
}

.section-quick-nav__link.is-active::before {
  top: 22%;
  height: 56%;
  margin-top: 0;
  border-radius: 4px;
  background: linear-gradient(180deg, #818cf8 0%, #6366f1 100%);
  opacity: 1;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.45);
}

.section-quick-nav__list li + li {
  margin-top: 0.15rem;
}

@media screen and (min-width: 1100px) {
  .section-quick-nav {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    padding-right: max(0px, env(safe-area-inset-right, 0px));
  }

  .section-quick-nav__list {
    min-width: 8.25rem;
    max-width: 9.25rem;
    padding: 0.65rem 0.5rem 0.65rem 0.55rem;
    border-radius: 16px 0 0 16px;
    background: linear-gradient(
      160deg,
      rgba(255, 255, 255, 0.97) 0%,
      rgba(250, 245, 255, 0.94) 45%,
      rgba(237, 233, 254, 0.9) 100%
    );
    border: 1px solid rgba(196, 181, 253, 0.35);
    border-right: none;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow:
      -8px 12px 40px rgba(91, 33, 182, 0.1),
      -2px 0 0 rgba(255, 255, 255, 0.65) inset,
      0 1px 0 rgba(255, 255, 255, 0.8) inset;
  }

  .section-quick-nav__list::before {
    content: 'On this page';
    display: block;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #94a3b8;
    padding: 0.15rem 0.5rem 0.55rem 0.45rem;
    margin-bottom: 0.2rem;
    border-bottom: 1px solid rgba(226, 232, 240, 0.85);
  }
}

@media screen and (max-width: 1099px) {
  .section-quick-nav {
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    transform: none;
    padding: 0.5rem 0.75rem calc(0.55rem + env(safe-area-inset-bottom, 0px));
    background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.72) 0%,
      rgba(255, 250, 252, 0.92) 40%,
      rgba(245, 243, 255, 0.96) 100%
    );
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    border-top: 1px solid rgba(196, 181, 253, 0.35);
    box-shadow:
      0 -4px 28px rgba(91, 33, 182, 0.08),
      0 -1px 0 rgba(255, 255, 255, 0.7) inset;
    pointer-events: auto;
  }

  .section-quick-nav__list {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 0.45rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 0.15rem 0.1rem 0.05rem;
    mask-image: linear-gradient(90deg, transparent, #000 12px, #000 calc(100% - 12px), transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12px, #000 calc(100% - 12px), transparent);
  }

  .section-quick-nav__list::-webkit-scrollbar {
    display: none;
  }

  .section-quick-nav__list li {
    flex: 0 0 auto;
  }

  .section-quick-nav__list li + li {
    margin-top: 0;
  }

  .section-quick-nav__link {
    border-radius: 999px;
    padding: 0.48rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    color: #475569;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(226, 232, 240, 0.95);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
    transform: none;
  }

  .section-quick-nav__link::before {
    display: none;
  }

  .section-quick-nav__link:hover {
    color: #334155;
    background: #fff;
    border-color: #e2e8f0;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.07);
    transform: translateY(-1px);
  }

  .section-quick-nav__link.is-active {
    color: #fff;
    background: linear-gradient(135deg, #6366f1 0%, #7c3aed 55%, #8b5cf6 100%);
    border-color: transparent;
    box-shadow:
      0 4px 18px rgba(99, 102, 241, 0.42),
      0 1px 0 rgba(255, 255, 255, 0.22) inset;
  }

  body {
    padding-bottom: calc(3.35rem + env(safe-area-inset-bottom, 0px));
  }

  .scroll-to-top {
    bottom: calc(3.85rem + env(safe-area-inset-bottom, 0px));
  }
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
}

.scroll-to-top:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}


/* Mobile Responsive Improvements */
@media screen and (max-width: 768px) {
  .hero-body {
    padding: 2rem 1rem;
  }
  
  .publication-header .hero-body {
    padding: 3rem 1rem 2rem;
  }
  
  .publication-title {
    font-size: 2.5rem !important;
    line-height: 1.2 !important;
    margin-bottom: 1.5rem !important;
  }
  
  .publication-authors {
    font-size: 1rem !important;
  }
  
  .button {
    margin: 0.25rem !important;
    font-size: 0.875rem !important;
    padding: 0.75rem 1rem !important;
  }
  
  .teaser .hero-body {
    padding: 1rem;
  }
  
  .content.has-text-justified {
    font-size: 1rem;
  }
}

@media screen and (max-width: 480px) {
  .publication-title {
    font-size: 2rem !important;
  }

  .hero.hero-landing .hero-body {
    padding: calc(max(0px, env(safe-area-inset-top, 0px)) + 0.45rem) 0.75rem 1.35rem;
  }
  
  .hero-body {
    padding: 1.5rem 0.75rem;
  }
  
  .link-block {
    display: block;
    margin-bottom: 0.5rem;
  }
  
  .button {
    width: 100%;
    justify-content: center;
  }
}

/* Tablet Responsive */
@media screen and (min-width: 769px) and (max-width: 1024px) {
  .hero-body {
    padding: 3rem 2rem;
  }
  
  .publication-header .hero-body {
    padding: 4rem 2rem 3rem;
  }
}

/* Animation for page load */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero, .section {
  animation: fadeInUp 0.6s ease-out;
}

/* Improved focus states for accessibility */
.button:focus,
.related-works-btn:focus,
a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}


/* Print styles */
@media print {
  .hero, .section {
    animation: none;
  }
  
  .button {
    background: transparent !important;
    color: var(--text-primary) !important;
    box-shadow: none !important;
  }
}