/* Modern theme overlay for Zhixuan Chen's homepage - v2 */

:root {
  --mt-bg: #f6f7fd;
  --mt-surface: #ffffff;
  --mt-surface-soft: #f1f3fb;
  --mt-border: rgba(60, 64, 95, 0.09);
  --mt-border-strong: rgba(60, 64, 95, 0.16);
  --mt-text: #15182a;
  --mt-text-soft: #4a4f6a;
  --mt-text-mute: #7a7f99;
  --mt-primary: #6366f1;
  --mt-primary-deep: #4f46e5;
  --mt-accent: #8b5cf6;
  --mt-accent-2: #ec4899;
  --mt-accent-3: #06b6d4;
  --mt-success: #10b981;
  --mt-warning: #f59e0b;
  --mt-radius-sm: 8px;
  --mt-radius: 16px;
  --mt-radius-lg: 24px;
  --mt-shadow-sm: 0 2px 8px rgba(60, 64, 95, 0.06);
  --mt-shadow: 0 10px 30px rgba(60, 64, 95, 0.09);
  --mt-shadow-lg: 0 28px 70px rgba(60, 64, 95, 0.15);
  --mt-shadow-glow: 0 18px 48px rgba(99, 102, 241, 0.22);
  --mt-font: "Inter", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mt-mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --mt-grad-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --mt-mx: -1000px;
  --mt-my: -1000px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--mt-font) !important;
  color: var(--mt-text) !important;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(139, 92, 246, 0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(99, 102, 241, 0.10), transparent 60%),
    radial-gradient(700px 500px at 50% 110%, rgba(6, 182, 212, 0.07), transparent 60%),
    var(--mt-bg) !important;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Scroll progress bar */
.mt-scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 3px; width: 0%;
  background: var(--mt-grad-primary);
  z-index: 1000;
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.5);
  transition: width 0.05s linear;
  pointer-events: none;
}

/* Cursor spotlight */
.mt-cursor-spot {
  position: fixed; pointer-events: none;
  width: 560px; height: 560px; border-radius: 50%;
  left: 0; top: 0; transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(139, 92, 246, 0.18), rgba(99, 102, 241, 0.08) 40%, transparent 70%);
  z-index: 0; mix-blend-mode: multiply;
  transition: opacity 0.3s ease; opacity: 0;
}
.mt-cursor-spot.is-on { opacity: 1; }
@media (max-width: 768px) { .mt-cursor-spot { display: none; } }

/* Decorative floating shapes */
.mt-decoration {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
}
.mt-decoration .mt-shape {
  position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.45;
}
.mt-shape--1 { width: 320px; height: 320px; top: 10%; left: -120px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.45), transparent 70%);
  animation: mt-float-slow 18s ease-in-out infinite; }
.mt-shape--2 { width: 280px; height: 280px; top: 45%; right: -80px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.35), transparent 70%);
  animation: mt-float-slow 22s ease-in-out infinite reverse; }
.mt-shape--3 { width: 240px; height: 240px; bottom: 8%; left: 32%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.35), transparent 70%);
  animation: mt-float-slow 26s ease-in-out infinite; }
@keyframes mt-float-slow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -50px) scale(1.15); }
}

#mt-particles {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}

.masthead {
  background: rgba(255, 255, 255, 0.78) !important;
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--mt-border) !important;
  box-shadow: 0 1px 0 rgba(255,255,255,0.7) inset, 0 6px 20px rgba(60,64,95,0.04);
  position: sticky; top: 0; z-index: 50;
}
.masthead__menu-item--lg a {
  background: var(--mt-grad-primary);
  -webkit-background-clip: text; background-clip: text;
  color: transparent !important;
  font-weight: 700 !important; letter-spacing: -0.01em;
}

body.mt-home #main > .sidebar { display: none !important; }
body.mt-home #main > .page { float: none !important; width: 100% !important; padding-left: 0 !important; padding-right: 0 !important; margin-left: auto !important; margin-right: auto !important; }
body.mt-home .page__inner-wrap > header { display: none; }
body.mt-home .page__footer footer { padding-top: 0; }
body.mt-home .page__inner-wrap { margin-left: 0 !important; }
body.mt-home #main { max-width: 100% !important; padding: 0 !important; }
body.mt-home .page { background: transparent; }
body.mt-home .page__content { position: relative; z-index: 1; }
body.mt-home article.page > .page__inner-wrap > footer.page__meta,
body.mt-home article.page > .page__inner-wrap > .page__share { display: none; }

.mt-section {
  max-width: 1200px; margin: 0 auto;
  padding: 96px 36px; position: relative; z-index: 1;
}
.mt-section--tight { padding: 40px 36px; }
@media (max-width: 768px) {
  .mt-section { padding: 56px 22px; }
  .mt-section--tight { padding: 24px 22px; }
}

.mt-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--mt-primary);
  margin-bottom: 16px;
}
.mt-eyebrow::before {
  content: ""; width: 28px; height: 2px;
  background: var(--mt-grad-primary); border-radius: 2px;
}

.mt-section-title {
  font-size: clamp(28px, 3.6vw, 42px); font-weight: 800;
  letter-spacing: -0.025em; color: var(--mt-text);
  margin: 0 0 14px; line-height: 1.12;
}
.mt-section-subtitle {
  color: var(--mt-text-mute); font-size: 16px; line-height: 1.6;
  margin: 0 0 44px; max-width: 740px;
}

.mt-hero {
  position: relative; overflow: hidden;
  padding: 112px 36px 96px;
  background:
    radial-gradient(1000px 500px at 80% 10%, rgba(139, 92, 246, 0.14), transparent 70%),
    radial-gradient(800px 400px at 10% 80%, rgba(99, 102, 241, 0.16), transparent 70%),
    linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.55) 100%);
}
.mt-hero__inner {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1.35fr 1fr;
  gap: 72px; align-items: center;
}
@media (max-width: 960px) {
  .mt-hero { padding: 72px 22px 64px; }
  .mt-hero__inner { grid-template-columns: 1fr; gap: 48px; }
}

.mt-hero__greeting {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 9px 16px; font-size: 13px; font-weight: 600;
  color: var(--mt-primary-deep);
  background: rgba(99, 102, 241, 0.10);
  border: 1px solid rgba(99, 102, 241, 0.20);
  border-radius: 999px; margin-bottom: 24px;
}
.mt-hero__greeting .mt-dot {
  width: 8px; height: 8px; background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(34,197,94,0.18);
  animation: mt-pulse 2.2s ease-in-out infinite;
}
@keyframes mt-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.35); }
  50% { box-shadow: 0 0 0 6px rgba(34,197,94,0.0); }
}

.mt-hero__name {
  font-size: clamp(42px, 6.2vw, 76px); font-weight: 800;
  line-height: 1.02; letter-spacing: -0.035em;
  margin: 0 0 16px; color: var(--mt-text);
}
.mt-hero__name .mt-grad {
  background: linear-gradient(120deg, var(--mt-primary) 0%, var(--mt-accent) 45%, var(--mt-accent-2) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  animation: mt-grad-shift 8s ease infinite;
}
@keyframes mt-grad-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.mt-hero__tag {
  font-size: clamp(18px, 2.2vw, 22px); font-weight: 500;
  color: var(--mt-text-soft); margin: 0 0 10px; min-height: 1.4em;
}
.mt-hero__tag .mt-typed {
  color: var(--mt-primary-deep); font-weight: 700;
  border-right: 2px solid var(--mt-primary);
  padding-right: 4px;
  animation: mt-blink 1s steps(2) infinite;
}
@keyframes mt-blink { 50% { border-color: transparent; } }

.mt-hero__bio {
  font-size: 16px; color: var(--mt-text-soft);
  line-height: 1.75; margin: 20px 0 28px; max-width: 640px;
}
.mt-hero__bio a {
  color: var(--mt-primary-deep); font-weight: 600;
  text-decoration: none;
  background-image: linear-gradient(transparent calc(100% - 2px), rgba(99,102,241,0.45) 2px);
  background-size: 0% 100%;
  background-repeat: no-repeat;
  transition: background-size 0.3s ease, color 0.2s ease;
}
.mt-hero__bio a:hover { background-size: 100% 100%; color: var(--mt-accent); }

.mt-hero__cta {
  display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px;
}
.mt-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; font-size: 14px; font-weight: 600;
  border-radius: 999px; text-decoration: none !important;
  transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.22s ease, background 0.22s ease;
  border: 1px solid transparent; cursor: pointer;
  position: relative; overflow: hidden;
}
.mt-btn::after {
  content: ""; position: absolute;
  top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.5), transparent);
  transition: left 0.7s ease;
}
.mt-btn:hover::after { left: 130%; }
.mt-btn--primary {
  background: var(--mt-grad-primary); color: #fff !important;
  box-shadow: 0 12px 28px rgba(99,102,241,0.32);
}
.mt-btn--primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 18px 36px rgba(139,92,246,0.44); }
.mt-btn--ghost {
  background: rgba(255,255,255,0.75); color: var(--mt-text) !important;
  border-color: var(--mt-border); backdrop-filter: blur(8px);
}
.mt-btn--ghost:hover { transform: translateY(-3px); background: #fff; border-color: rgba(99,102,241,0.45); }

.mt-hero__social { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.mt-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 14px; border-radius: 999px;
  background: rgba(255,255,255,0.78); border: 1px solid var(--mt-border);
  color: var(--mt-text-soft) !important; text-decoration: none !important;
  font-size: 13px; font-weight: 500;
  transition: transform 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  backdrop-filter: blur(6px);
}
.mt-chip:hover {
  transform: translateY(-3px); color: var(--mt-primary-deep) !important;
  border-color: rgba(99,102,241,0.45);
  box-shadow: 0 12px 26px rgba(60,64,95,0.10);
}
.mt-chip i { font-size: 14px; }

.mt-hero__portrait {
  position: relative; display: flex; justify-content: center; align-items: center;
  perspective: 1200px;
}
.mt-portrait {
  position: relative; width: min(380px, 100%); aspect-ratio: 4 / 5;
  border-radius: var(--mt-radius-lg); overflow: hidden;
  box-shadow: var(--mt-shadow-lg);
  transform-style: preserve-3d;
  transition: transform 0.25s ease;
  background: linear-gradient(135deg, #c7d2fe, #ddd6fe);
}
.mt-portrait img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mt-portrait::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(99,102,241,0.0) 40%, rgba(139,92,246,0.20) 100%);
  pointer-events: none;
}
.mt-portrait::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(180px circle at var(--mt-mx, 50%) var(--mt-my, 50%), rgba(255,255,255,0.30), transparent 70%);
  pointer-events: none; opacity: 0;
  transition: opacity 0.3s ease; z-index: 2;
}
.mt-portrait:hover::before { opacity: 1; }
.mt-portrait-blob {
  position: absolute; width: 240px; height: 240px;
  border-radius: 50%; filter: blur(56px);
  opacity: 0.6; z-index: -1;
}
.mt-portrait-blob--1 { top: -36px; right: -44px;
  background: radial-gradient(circle, rgba(139,92,246,0.75), transparent 70%);
  animation: mt-float 9s ease-in-out infinite; }
.mt-portrait-blob--2 { bottom: -36px; left: -44px;
  background: radial-gradient(circle, rgba(6,182,212,0.65), transparent 70%);
  animation: mt-float 11s ease-in-out infinite reverse; }
@keyframes mt-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(12px, -18px) scale(1.10); }
}

.mt-sticker {
  position: absolute; display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 15px; background: #fff; border-radius: 14px;
  box-shadow: var(--mt-shadow); border: 1px solid var(--mt-border);
  font-size: 13px; font-weight: 600; color: var(--mt-text);
  animation: mt-float-sticker 6s ease-in-out infinite;
  z-index: 3;
}
.mt-sticker i { color: var(--mt-primary); }
.mt-sticker--1 { top: 8%; left: -28px; animation-delay: 0s; }
.mt-sticker--2 { bottom: 16%; right: -32px; animation-delay: -2.5s; }
.mt-sticker--3 { bottom: -18px; left: 14%; animation-delay: -4.5s; }
@keyframes mt-float-sticker {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@media (max-width: 600px) {
  .mt-sticker--1 { left: 6px; }
  .mt-sticker--2 { right: 6px; }
}

.mt-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; margin-top: 24px;
}
@media (max-width: 900px) { .mt-stats { grid-template-columns: repeat(2, 1fr); } }
.mt-stat {
  background: rgba(255,255,255,0.82); border: 1px solid var(--mt-border);
  border-radius: var(--mt-radius); padding: 26px 22px;
  backdrop-filter: blur(10px);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative; overflow: hidden; cursor: default;
}
.mt-stat::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(220px circle at var(--mt-mx, -1000px) var(--mt-my, -1000px),
                              rgba(139,92,246,0.18), rgba(99,102,241,0.10) 35%, transparent 70%);
  opacity: 0; transition: opacity 0.25s ease; border-radius: inherit;
}
.mt-stat:hover::after { opacity: 1; }
.mt-stat:hover { transform: translateY(-6px); box-shadow: var(--mt-shadow); border-color: rgba(99,102,241,0.30); }
.mt-stat__value {
  position: relative; font-size: 36px; font-weight: 800;
  letter-spacing: -0.025em;
  background: var(--mt-grad-primary); background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text;
  color: transparent; line-height: 1.1;
}
.mt-stat__label {
  position: relative; margin-top: 8px;
  color: var(--mt-text-mute); font-size: 13px; font-weight: 500;
}

.mt-focus {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px; margin-top: 16px;
}
.mt-focus__card {
  position: relative; background: rgba(255,255,255,0.84);
  border: 1px solid var(--mt-border); border-radius: var(--mt-radius);
  padding: 28px 24px 24px; overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}
.mt-focus__card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(360px circle at var(--mt-mx, -1000px) var(--mt-my, -1000px),
                              rgba(139,92,246,0.22), rgba(99,102,241,0.10) 35%, transparent 70%);
  opacity: 0; transition: opacity 0.3s ease; pointer-events: none; border-radius: inherit;
}
.mt-focus__card:hover::before { opacity: 1; }
.mt-focus__card:hover { transform: translateY(-6px); box-shadow: var(--mt-shadow); border-color: rgba(99,102,241,0.32); }
.mt-focus__icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 22px; color: #fff; margin-bottom: 16px;
  box-shadow: 0 8px 22px rgba(99,102,241,0.30);
  position: relative; z-index: 1;
}
.mt-focus__card--med .mt-focus__icon { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.mt-focus__card--vlm .mt-focus__icon { background: linear-gradient(135deg, #ec4899, #f97316); box-shadow: 0 8px 22px rgba(236,72,153,0.32); }
.mt-focus__card--xai .mt-focus__icon { background: linear-gradient(135deg, #06b6d4, #10b981); box-shadow: 0 8px 22px rgba(6,182,212,0.30); }
.mt-focus__card--found .mt-focus__icon { background: linear-gradient(135deg, #f59e0b, #ef4444); box-shadow: 0 8px 22px rgba(245,158,11,0.32); }
.mt-focus__title {
  font-size: 16px; font-weight: 700; color: var(--mt-text);
  margin: 0 0 8px; position: relative; z-index: 1;
}
.mt-focus__desc {
  font-size: 13.5px; color: var(--mt-text-soft);
  line-height: 1.6; margin: 0; position: relative; z-index: 1;
}

.mt-news {
  display: grid; grid-template-columns: 1fr; gap: 8px; position: relative;
}
.mt-news::before {
  content: ""; position: absolute;
  left: 11px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, rgba(99,102,241,0.55), rgba(139,92,246,0.0));
  border-radius: 2px;
}
.mt-news-item {
  display: grid; grid-template-columns: 28px 96px 1fr;
  align-items: center; gap: 14px; padding: 14px 18px;
  border-radius: var(--mt-radius);
  transition: background 0.25s ease, transform 0.25s ease;
  position: relative;
}
.mt-news-item:hover { background: rgba(255,255,255,0.78); transform: translateX(6px); }
.mt-news-item__dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--mt-grad-primary);
  box-shadow: 0 0 0 4px #fff, 0 0 0 5px rgba(99,102,241,0.20);
  margin-left: 4px;
}
.mt-news-item__date {
  font-family: var(--mt-mono); font-size: 12px;
  color: var(--mt-text-mute); font-weight: 600; letter-spacing: 0.02em;
}
.mt-news-item__text {
  font-size: 15px; color: var(--mt-text); line-height: 1.55;
}
.mt-news-item__text .mt-badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(99,102,241,0.14), rgba(139,92,246,0.14));
  color: var(--mt-primary-deep);
  padding: 2px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 700; margin-right: 6px;
}
.mt-news-item.is-highlight .mt-news-item__dot {
  background: linear-gradient(135deg, var(--mt-accent-2), #f59e0b);
  box-shadow: 0 0 0 4px #fff, 0 0 0 5px rgba(236,72,153,0.25);
  animation: mt-dot-pulse 2.4s ease-in-out infinite;
}
@keyframes mt-dot-pulse {
  0%, 100% { box-shadow: 0 0 0 4px #fff, 0 0 0 5px rgba(236,72,153,0.25); }
  50%      { box-shadow: 0 0 0 4px #fff, 0 0 0 10px rgba(236,72,153,0.0); }
}
.mt-news__more {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 18px 0 0 42px;
  color: var(--mt-primary-deep); font-weight: 600; font-size: 14px;
  cursor: pointer;
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.18);
  padding: 9px 16px; border-radius: 999px;
  transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
}
.mt-news__more:hover { background: rgba(99,102,241,0.16); color: var(--mt-accent); transform: translateY(-2px); }
.mt-news-item.is-hidden { display: none; }

.mt-pubs {
  display: grid; grid-template-columns: 1fr; gap: 28px;
}
.mt-pub {
  position: relative; display: grid;
  grid-template-columns: 320px 1fr; gap: 28px;
  background: rgba(255,255,255,0.88);
  border: 1px solid var(--mt-border);
  border-radius: var(--mt-radius-lg);
  padding: 24px;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease, border-color 0.3s ease;
  overflow: hidden; isolation: isolate;
}
.mt-pub::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(500px circle at var(--mt-mx, -1000px) var(--mt-my, -1000px),
                              rgba(139,92,246,0.18), rgba(99,102,241,0.08) 35%, transparent 70%);
  opacity: 0; transition: opacity 0.3s ease; pointer-events: none;
  z-index: 0; border-radius: inherit;
}
.mt-pub:hover::before { opacity: 1; }
.mt-pub > * { position: relative; z-index: 1; }
.mt-pub:hover {
  transform: translateY(-6px); box-shadow: var(--mt-shadow-glow);
  border-color: rgba(99,102,241,0.32);
}
@media (max-width: 820px) {
  .mt-pub { grid-template-columns: 1fr; gap: 20px; padding: 20px; }
  .mt-pub__teaser { height: 200px; min-height: 200px; }
}

.mt-pub__teaser {
  position: relative; border-radius: var(--mt-radius);
  overflow: hidden; min-height: 200px;
  display: flex; align-items: center; justify-content: center;
  background: var(--mt-surface-soft);
  transition: transform 0.4s ease;
}
.mt-pub:hover .mt-pub__teaser { transform: scale(1.015); }
.mt-pub__teaser svg, .mt-pub__teaser img {
  width: 100%; height: 100%; display: block; object-fit: cover;
  transition: transform 0.6s ease;
}
.mt-pub:hover .mt-pub__teaser svg,
.mt-pub:hover .mt-pub__teaser img { transform: scale(1.04); }
.mt-pub__teaser .mt-pub__venue {
  position: absolute; top: 12px; left: 12px;
  background: rgba(15, 23, 42, 0.65); color: #fff;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  padding: 5px 11px; border-radius: 999px;
  text-transform: uppercase; backdrop-filter: blur(6px);
}
.mt-pub__teaser .mt-pub__year {
  position: absolute; bottom: 12px; right: 12px;
  background: rgba(255,255,255,0.92);
  color: var(--mt-text);
  font-size: 11px; font-weight: 800;
  padding: 4px 10px; border-radius: 8px; letter-spacing: 0.02em;
  box-shadow: 0 4px 10px rgba(0,0,0,0.06);
}

.mt-pub__body { display: flex; flex-direction: column; }
.mt-pub__title {
  font-size: 19px; font-weight: 700; color: var(--mt-text);
  margin: 4px 0 10px; letter-spacing: -0.015em; line-height: 1.35;
}
.mt-pub__title a { color: inherit; text-decoration: none; transition: color 0.2s; }
.mt-pub__title a:hover { color: var(--mt-primary-deep); }
.mt-pub__authors {
  font-size: 14px; color: var(--mt-text-soft);
  line-height: 1.6; margin: 0 0 12px;
}
.mt-pub__authors .mt-me {
  color: var(--mt-primary-deep); font-weight: 700;
  background-image: linear-gradient(transparent calc(100% - 2px), rgba(99,102,241,0.32) 2px);
  background-size: 100% 100%;
  background-repeat: no-repeat;
}
.mt-pub__meta {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto;
}
.mt-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600;
  padding: 6px 11px; border-radius: 8px;
  background: rgba(99,102,241,0.10); color: var(--mt-primary-deep);
}
.mt-tag--accent { background: rgba(236,72,153,0.12); color: #be185d; }
.mt-tag--success { background: rgba(16,185,129,0.12); color: #047857; }
.mt-tag--warn { background: rgba(245,158,11,0.14); color: #b45309; }
.mt-pub__links { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.mt-pub__links a {
  font-size: 12.5px; font-weight: 600;
  text-decoration: none !important;
  padding: 7px 13px; border-radius: 8px;
  background: var(--mt-surface-soft); color: var(--mt-text) !important;
  border: 1px solid var(--mt-border);
  transition: all 0.2s ease;
  display: inline-flex; align-items: center; gap: 6px;
}
.mt-pub__links a:hover {
  background: var(--mt-primary); color: #fff !important;
  border-color: var(--mt-primary); transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(99,102,241,0.32);
}

.mt-awards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
}
.mt-award {
  position: relative; padding: 20px 20px 20px 64px;
  background: rgba(255,255,255,0.84);
  border: 1px solid var(--mt-border); border-radius: var(--mt-radius);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
}
.mt-award::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(220px circle at var(--mt-mx, -1000px) var(--mt-my, -1000px),
                              rgba(245,158,11,0.18), transparent 70%);
  opacity: 0; transition: opacity 0.25s ease; pointer-events: none; border-radius: inherit;
}
.mt-award:hover::before { opacity: 1; }
.mt-award:hover {
  transform: translateY(-4px); box-shadow: var(--mt-shadow);
  border-color: rgba(245,158,11,0.42);
}
.mt-award__icon {
  position: absolute; left: 16px; top: 18px;
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, #fde68a, #fbbf24);
  color: #92400e;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  box-shadow: 0 8px 18px rgba(245,158,11,0.28);
}
.mt-award--honor .mt-award__icon {
  background: linear-gradient(135deg, #c7d2fe, #818cf8);
  color: #312e81;
  box-shadow: 0 8px 18px rgba(99,102,241,0.28);
}
.mt-award__title { font-weight: 700; font-size: 14.5px; color: var(--mt-text); line-height: 1.45; position: relative; z-index: 1; }
.mt-award__meta { font-size: 12px; color: var(--mt-text-mute); margin-top: 5px; font-family: var(--mt-mono); position: relative; z-index: 1; }

.mt-timeline { display: grid; gap: 16px; }
.mt-edu {
  display: grid; grid-template-columns: 72px 1fr; gap: 18px;
  padding: 20px 22px;
  background: rgba(255,255,255,0.84);
  border: 1px solid var(--mt-border); border-radius: var(--mt-radius);
  align-items: center;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
  overflow: hidden; position: relative;
}
.mt-edu::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(260px circle at var(--mt-mx, -1000px) var(--mt-my, -1000px),
                              rgba(99,102,241,0.16), transparent 70%);
  opacity: 0; transition: opacity 0.25s ease; pointer-events: none; border-radius: inherit;
}
.mt-edu:hover::before { opacity: 1; }
.mt-edu:hover { transform: translateY(-4px); box-shadow: var(--mt-shadow); }
.mt-edu__logo {
  width: 64px; height: 64px; border-radius: 16px;
  background: var(--mt-grad-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px; letter-spacing: 0.02em;
  box-shadow: 0 8px 20px rgba(99,102,241,0.30);
}
.mt-edu--hkust .mt-edu__logo { background: linear-gradient(135deg, #1e3a8a, #6366f1); box-shadow: 0 8px 20px rgba(30,58,138,0.30); }
.mt-edu--uestc .mt-edu__logo { background: linear-gradient(135deg, #b91c1c, #ef4444); box-shadow: 0 8px 20px rgba(185,28,28,0.28); }
.mt-edu__title { font-weight: 700; font-size: 16px; color: var(--mt-text); position: relative; z-index: 1; }
.mt-edu__sub { font-size: 13px; color: var(--mt-text-mute); margin-top: 4px; position: relative; z-index: 1; }
.mt-edu__date {
  font-family: var(--mt-mono); font-size: 12px;
  color: var(--mt-text-mute); margin-top: 6px;
  display: inline-flex; align-items: center; gap: 6px;
  position: relative; z-index: 1;
}

.mt-split { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
@media (max-width: 760px) { .mt-split { grid-template-columns: 1fr; } }
.mt-card {
  background: rgba(255,255,255,0.84);
  border: 1px solid var(--mt-border); border-radius: var(--mt-radius);
  padding: 28px 26px;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative; overflow: hidden;
}
.mt-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(300px circle at var(--mt-mx, -1000px) var(--mt-my, -1000px),
                              rgba(99,102,241,0.14), transparent 70%);
  opacity: 0; transition: opacity 0.25s ease; pointer-events: none; border-radius: inherit;
}
.mt-card:hover::before { opacity: 1; }
.mt-card:hover { transform: translateY(-5px); box-shadow: var(--mt-shadow); border-color: rgba(99,102,241,0.25); }
.mt-card h2 { font-size: 22px; font-weight: 800; margin: 0 0 14px; letter-spacing: -0.02em; }
.mt-card p { color: var(--mt-text-soft); margin: 0 0 10px; font-size: 14.5px; line-height: 1.65; position: relative; z-index: 1; }
.mt-card ul { margin: 6px 0 0; padding-left: 20px; color: var(--mt-text-soft); position: relative; z-index: 1; }
.mt-card ul li { margin: 4px 0; font-size: 14.5px; }

.mt-contact {
  text-align: center;
  background:
    radial-gradient(540px circle at var(--mt-mx, -1000px) var(--mt-my, -1000px), rgba(255,255,255,0.55), transparent 60%),
    linear-gradient(135deg, rgba(99,102,241,0.14), rgba(139,92,246,0.14));
  border: 1px solid rgba(99,102,241,0.22);
  border-radius: var(--mt-radius-lg);
  padding: 56px 36px;
  position: relative; overflow: hidden;
}
.mt-contact h3 {
  font-size: 32px; font-weight: 800; margin: 0 0 12px;
  letter-spacing: -0.025em;
  background: var(--mt-grad-primary); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.mt-contact p {
  color: var(--mt-text-soft); margin: 0 0 26px;
  font-size: 15px; line-height: 1.65;
  max-width: 600px; margin-left: auto; margin-right: auto;
}

.mt-reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  transition-delay: var(--mt-delay, 0s);
}
.mt-reveal.is-in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .mt-reveal { opacity: 1; transform: none; }
}

.page__content h2 { font-weight: 800; letter-spacing: -0.01em; }
.page__content a { color: var(--mt-primary-deep); }
.page__content a:hover { color: var(--mt-accent); }

.page__footer {
  background: transparent !important;
  border-top: 1px solid var(--mt-border) !important;
  color: var(--mt-text-mute) !important;
}
.page__footer a { color: var(--mt-primary-deep) !important; }
.page__footer-copyright { color: var(--mt-text-mute) !important; font-size: 13px; }

.greedy-nav .visible-links a {
  color: var(--mt-text) !important; font-weight: 500;
  transition: color 0.2s ease;
}
.greedy-nav .visible-links a:hover { color: var(--mt-primary-deep) !important; }

.mt-ripple {
  position: absolute; border-radius: 50%;
  background: rgba(255,255,255,0.55);
  transform: scale(0);
  animation: mt-ripple-anim 0.6s ease-out;
  pointer-events: none;
}
@keyframes mt-ripple-anim {
  to { transform: scale(4); opacity: 0; }
}