/* assets/css/style.css */

:root {
    --bg-color: #f5f7fb;
    --bg-elevated: #ffffff;
    --bg-alt: #edf2f7;
    --primary: #2563eb;
    --primary-soft: #e0ecff;
    --accent: #f97316;
    --text-main: #111827;
    --text-muted: #4b5563;
    --border-soft: #e5e7eb;
    --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.12);
    --radius-lg: 1.5rem;
    --radius-md: 1rem;
    --radius-pill: 999px;
  }
  
  * {
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    margin: 0;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
      sans-serif;
    color: var(--text-main);
    background: radial-gradient(circle at top left, #e0f2fe 0, transparent 50%),
      radial-gradient(circle at bottom right, #e5e7eb 0, transparent 50%),
      var(--bg-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  
  a {
    color: var(--primary);
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }
  
  img {
    max-width: 100%;
    display: block;
  }
  
  .container {
    width: min(1100px, 100% - 3rem);
    margin: 0 auto;
  }
  
  /* Header / Nav */
  
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    background: linear-gradient(
      to bottom,
      rgba(248, 250, 252, 0.9),
      rgba(248, 250, 252, 0.7)
    );
    border-bottom: 1px solid rgba(226, 232, 240, 0.9);
    transition: box-shadow 0.2s ease, background-color 0.2s ease,
      border-color 0.2s ease;
  }
  
  .site-header--scrolled {
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
    background: rgba(248, 250, 252, 0.98);
    border-bottom-color: rgba(209, 213, 219, 0.7);
  }
  
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 0;
    gap: 1.5rem;
  }
  
  .brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
  }
  
  .brand-logo {
    width: 34px;
    height: 34px;
    border-radius: 1rem;
    background: radial-gradient(circle at 20% 0, #bfdbfe, #2563eb);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: #f9fafb;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.6);
    flex-shrink: 0;
  }
  
  .brand-text {
    display: flex;
    flex-direction: column;
  }
  
  .brand-name {
    font-weight: 600;
    letter-spacing: 0.02em;
    font-size: 1.05rem;
  }
  
  .brand-tagline {
    font-size: 0.78rem;
    color: var(--text-muted);
    white-space: nowrap;
  }
  
  .nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.9rem;
  }
  
  .nav-link {
    position: relative;
    padding: 0.2rem 0;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.15s ease;
  }
  
  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.25rem;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    transition: width 0.2s ease;
  }
  
  .nav-link:hover {
    color: var(--text-main);
  }
  
  .nav-link:hover::after {
    width: 100%;
  }
  
  .nav-link.active {
    color: var(--text-main);
  }
  
  .nav-link.active::after {
    width: 100%;
  }
  
  .nav-link-ghost {
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(148, 163, 184, 0.7);
    color: var(--text-main);
    background: rgba(248, 250, 252, 0.9);
    font-size: 0.82rem;
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease,
      transform 0.15s ease;
  }
  
  .nav-link-ghost:hover {
    background: rgba(241, 245, 249, 0.9);
    border-color: rgba(148, 163, 184, 1);
    transform: translateY(-1px);
    text-decoration: none;
  }
  
  /* Sections */
  
  main {
    padding-top: 70px;
  }
  
  section {
    scroll-margin-top: 90px;
  }
  
  .section {
    padding: 100px 0;
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  
  .section.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
  
  .section-inner {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
  }
  
  .section-header {
    max-width: 650px;
  }
  
  .section-title {
    font-size: 1.7rem;
    margin: 0 0 0.4rem;
    letter-spacing: 0.02em;
  }
  
  .section-kicker {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: #6b7280;
    margin-bottom: 0.4rem;
    font-weight: 600;
  }
  
  .section-subtitle {
    margin: 0;
    font-size: 0.92rem;
    color: var(--text-muted);
  }
  
  .section-alt {
    background: linear-gradient(
      180deg,
      rgba(248, 250, 252, 0.95),
      rgba(226, 232, 240, 0.9)
    );
    border-top: 1px solid rgba(226, 232, 240, 0.9);
    border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  }
  
  .subheading {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.7rem;
  }
  
  /* Hero + Tech Background */
  
  .section-hero {
    position: relative;
    overflow: hidden;
  }
  
  .hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    gap: 3.5rem;
    position: relative;
    z-index: 1;
  }
  
  .hero-tech-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
  }
  
  .hero-grid {
    position: absolute;
    inset: 10% 5%;
    background-image: linear-gradient(
        to right,
        rgba(148, 163, 184, 0.22) 1px,
        transparent 1px
      ),
      linear-gradient(
        to bottom,
        rgba(148, 163, 184, 0.22) 1px,
        transparent 1px
      );
    background-size: 40px 40px;
    opacity: 0.4;
    transform: translate3d(0, 0, 0);
    animation: hero-grid-move 16s linear infinite;
  }
  
  .hero-orbit {
    position: absolute;
    border-radius: 999px;
    border: 1px solid rgba(96, 165, 250, 0.5);
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.4);
    opacity: 0.6;
  }
  
  .hero-orbit--1 {
    width: 380px;
    height: 380px;
    right: 3%;
    top: 15%;
    animation: hero-orbit-rotate 36s linear infinite;
  }
  
  .hero-orbit--2 {
    width: 260px;
    height: 260px;
    right: 12%;
    bottom: 8%;
    animation: hero-orbit-rotate 26s linear infinite reverse;
  }
  
  .hero-orbit--3 {
    width: 180px;
    height: 180px;
    left: 5%;
    bottom: 10%;
    animation: hero-orbit-rotate 30s linear infinite;
  }
  
  .hero-pulse {
    position: absolute;
    width: 140px;
    height: 140px;
    border-radius: 999px;
    background: radial-gradient(
      circle at 30% 20%,
      rgba(56, 189, 248, 0.9),
      rgba(37, 99, 235, 0.9)
    );
    filter: blur(16px);
    opacity: 0.4;
    animation: hero-pulse 12s ease-in-out infinite;
  }
  
  .hero-pulse--1 {
    left: 18%;
    top: 22%;
  }
  
  .hero-pulse--2 {
    right: 10%;
    bottom: 18%;
    animation-delay: 2s;
  }
  
  @keyframes hero-grid-move {
    0% {
      transform: translate3d(0, 0, 0);
    }
    50% {
      transform: translate3d(-20px, -10px, 0);
    }
    100% {
      transform: translate3d(0, 0, 0);
    }
  }
  
  @keyframes hero-orbit-rotate {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(360deg);
    }
  }
  
  @keyframes hero-pulse {
    0%,
    100% {
      transform: translate3d(0, 0, 0) scale(1);
      opacity: 0.3;
    }
    50% {
      transform: translate3d(10px, -10px, 0) scale(1.15);
      opacity: 0.6;
    }
  }
  
  /* Hero content */
  
  .hero-main {
    flex: 3;
    position: relative;
  }
  
  .hero-kicker {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: #6b7280;
    margin-bottom: 0.5rem;
    font-weight: 600;
  }
  
  .hero-title {
    font-size: clamp(2.4rem, 3vw, 3rem);
    margin: 0 0 0.4rem;
    letter-spacing: 0.02em;
  }
  
  .hero-title .highlight {
    background: linear-gradient(120deg, #2563eb, #f97316);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  
  .hero-subtitle {
    margin: 0 0 1rem;
    font-size: 1.02rem;
    color: var(--text-muted);
  }
  
  .hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    margin-bottom: 1.4rem;
    font-size: 0.9rem;
    color: var(--text-muted);
  }
  
  .hero-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
  }
  
  .hero-meta-label {
    font-weight: 500;
    color: #374151;
  }
  
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
  }
  
  /* Buttons */
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1.4rem;
    border-radius: var(--radius-pill);
    border: none;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease,
      background-color 0.15s ease, border-color 0.15s ease;
  }
  
  .btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .btn-icon svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    stroke: none;
  }
  
  .btn-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #f9fafb;
    box-shadow: 0 18px 35px rgba(37, 99, 235, 0.45);
  }
  
  .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 22px 45px rgba(37, 99, 235, 0.55);
    text-decoration: none;
  }
  
  .btn-secondary {
    background: rgba(255, 255, 255, 0.8);
    color: #111827;
    border: 1px solid rgba(148, 163, 184, 0.8);
  }
  
  .btn-secondary:hover {
    background: rgba(249, 250, 251, 0.95);
    transform: translateY(-1px);
    text-decoration: none;
  }
  
  /* Icon row */
  
  .icon-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
  }
  
  .icon-button {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(209, 213, 219, 0.9);
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #374151;
    transition: transform 0.15s ease, box-shadow 0.15s ease,
      border-color 0.15s ease, background-color 0.15s ease;
  }
  
  .icon-button svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
  }
  
  .icon-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.2);
    border-color: rgba(148, 163, 184, 1);
    background: #f9fafb;
    text-decoration: none;
  }
  
  /* Profile card */
  
  .hero-aside {
    flex: 2;
    position: relative;
  }
  
  .profile-card {
    position: relative;
    background: radial-gradient(
        circle at top left,
        rgba(219, 234, 254, 0.9),
        rgba(248, 250, 252, 0.98)
      );
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    padding: 1.75rem;
    overflow: hidden;
    border: 1px solid rgba(209, 213, 219, 0.9);
  }
  
  .profile-card::before {
    content: "";
    position: absolute;
    inset: -40%;
    background: radial-gradient(
        circle at 0 0,
        rgba(59, 130, 246, 0.15),
        transparent 55%
      ),
      radial-gradient(
        circle at 100% 0,
        rgba(59, 130, 246, 0.25),
        transparent 60%
      ),
      radial-gradient(
        circle at 0 100%,
        rgba(249, 115, 22, 0.18),
        transparent 55%
      );
    opacity: 0.7;
    z-index: 0;
  }
  
  .profile-card-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
  }
  
  .profile-top {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .profile-avatar {
    width: 110px;
    height: 110px;
    border-radius: 1.2rem;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.95);
    box-shadow: 0 14px 35px rgba(15, 23, 42, 0.4);
    background: #cbd5f5;
    flex-shrink: 0;
  }
  
  .profile-meta {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
  }
  
  .profile-name {
    font-weight: 600;
    font-size: 1.05rem;
  }
  
  .profile-title {
    font-size: 0.86rem;
    color: #374151;
  }
  
  .profile-affiliation,
  .profile-location {
    font-size: 0.8rem;
    color: #4b5563;
  }
  
  .profile-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  
  .tag {
    padding: 0.18rem 0.65rem;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(209, 213, 219, 0.9);
    font-size: 0.76rem;
    color: #4b5563;
    white-space: nowrap;
  }
  
  .profile-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: #374151;
    flex-wrap: wrap;
  }
  
  .profile-status-pill {
    padding: 0.2rem 0.7rem;
    border-radius: var(--radius-pill);
    background: rgba(22, 163, 74, 0.12);
    border: 1px solid rgba(22, 163, 74, 0.3);
    color: #166534;
    font-weight: 500;
    font-size: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
  }
  
  .profile-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: #22c55e;
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.3);
  }
  
  .profile-highlight {
    text-align: right;
    flex: 1;
    color: #4b5563;
  }
  
  .profile-highlight strong {
    color: #111827;
  }
  
  /* Scroll indicator */
  
  .scroll-down {
    position: absolute;
    left: 50%;
    bottom: -3.2rem;
    transform: translateX(-50%);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: #6b7280;
    text-decoration: none;
    cursor: pointer;
  }
  
  .scroll-down-icon {
    width: 20px;
    height: 32px;
    border-radius: 999px;
    border: 1px solid rgba(156, 163, 175, 0.9);
    position: relative;
    overflow: hidden;
  }
  
  .scroll-down-icon::after {
    content: "";
    position: absolute;
    top: 6px;
    left: 50%;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: #6b7280;
    transform: translateX(-50%);
    animation: scroll-dot 1.6s infinite;
  }
  
  @keyframes scroll-dot {
    0% {
      transform: translate(-50%, 0);
      opacity: 0;
    }
    20% {
      opacity: 1;
    }
    80% {
      transform: translate(-50%, 14px);
      opacity: 0;
    }
    100% {
      opacity: 0;
    }
  }
  
  /* About */
  
  .about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1.3fr);
    gap: 3rem;
    align-items: flex-start;
  }
  
  .card {
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
    border: 1px solid rgba(229, 231, 235, 0.9);
  }
  
  .card-soft {
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
    background: linear-gradient(
      135deg,
      rgba(248, 250, 252, 0.96),
      rgba(239, 246, 255, 0.9)
    );
  }
  
  .about-text p {
    margin: 0 0 0.8rem;
    font-size: 0.95rem;
    color: #374151;
  }
  
  .about-text p:last-child {
    margin-bottom: 0;
  }
  
  .about-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 0.9rem;
    margin-top: 1.2rem;
  }
  
  .about-meta-item {
    font-size: 0.83rem;
    color: #4b5563;
  }
  
  .about-meta-label {
    font-weight: 600;
    color: #111827;
  }
  
  .pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.5rem;
  }
  
  .pill {
    padding: 0.22rem 0.65rem;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(209, 213, 219, 0.9);
    font-size: 0.78rem;
    background: rgba(255, 255, 255, 0.9);
    color: #4b5563;
  }
  
  .pill-strong {
    background: var(--primary-soft);
    border-color: rgba(129, 140, 248, 0.9);
    color: #1d4ed8;
    font-weight: 500;
  }
  
  .about-research-list {
    list-style: none;
    padding: 0;
    margin: 0.8rem 0 0;
    font-size: 0.9rem;
    color: #374151;
  }
  
  .about-research-list li {
    margin-bottom: 0.4rem;
    display: flex;
    gap: 0.5rem;
  }
  
  .about-research-bullet {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--primary);
    margin-top: 0.5rem;
    flex-shrink: 0;
  }
  
  .about-side-header {
    font-size: 0.83rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: #6b7280;
    margin-bottom: 0.5rem;
  }
  
  .about-highlight {
    margin-top: 1.2rem;
    padding: 0.9rem 1rem;
    border-radius: var(--radius-md);
    background: rgba(16, 185, 129, 0.06);
    border: 1px dashed rgba(16, 185, 129, 0.5);
    font-size: 0.8rem;
    color: #065f46;
  }
  
  /* News */
  
  .news-year {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #6b7280;
    margin-top: 1rem;
    margin-bottom: 0.8rem;
  }
  
  .news-timeline {
    position: relative;
    margin-top: 1.2rem;
    padding-left: 1.6rem;
  }
  
  .news-timeline::before {
    content: "";
    position: absolute;
    left: 0.45rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(
      to bottom,
      rgba(37, 99, 235, 0.85),
      transparent
    );
    opacity: 0.55;
  }
  
  .news-item {
    position: relative;
    margin-bottom: 0.9rem;
    padding: 1.1rem 1.2rem 1.1rem 1.35rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(229, 231, 235, 0.98);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  }
  
  .news-item::before {
    content: "";
    position: absolute;
    left: -0.55rem;
    top: 1.35rem;
    width: 11px;
    height: 11px;
    border-radius: 999px;
    background: #2563eb;
    box-shadow: 0 0 0 4px rgba(191, 219, 254, 0.95);
  }
  
  .news-meta {
    font-size: 0.8rem;
    color: #6b7280;
    margin-bottom: 0.3rem;
  }
  
  .news-meta span {
    font-weight: 500;
    color: #111827;
  }
  
  .news-title {
    margin: 0 0 0.25rem;
    font-size: 0.96rem;
    font-weight: 600;
  }
  
  .news-description {
    margin: 0;
    font-size: 0.88rem;
    color: #4b5563;
  }
  
  .news-tags {
    margin-top: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    font-size: 0.76rem;
  }
  
  .news-tag {
    padding: 0.15rem 0.55rem;
    border-radius: var(--radius-pill);
    background: rgba(239, 246, 255, 0.95);
    border: 1px solid rgba(191, 219, 254, 0.95);
    color: #1d4ed8;
  }
  
  /* Publications */
  
  .pub-section {
    margin-top: 1.5rem;
  }
  
  .pub-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
  }
  
  .chip-button {
    border-radius: var(--radius-pill);
    border: 1px solid rgba(148, 163, 184, 0.8);
    background: rgba(248, 250, 252, 0.95);
    padding: 0.35rem 0.85rem;
    font-size: 0.8rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: #374151;
    transition: background-color 0.15s ease, border-color 0.15s ease,
      transform 0.15s ease;
  }
  
  .chip-button:hover {
    background: rgba(241, 245, 249, 0.98);
    border-color: rgba(148, 163, 184, 1);
    transform: translateY(-1px);
  }
  
  .pub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.3rem;
    margin-top: 1rem;
  }
  
  .pub-card {
    border-radius: var(--radius-lg);
    background: var(--bg-elevated);
    border: 1px solid rgba(229, 231, 235, 0.98);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.09);
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  
  /* 自适应论文图片：支持不同尺寸 */
  .pub-image {
    position: relative;
    background: repeating-linear-gradient(
      135deg,
      rgba(219, 234, 254, 0.9) 0,
      rgba(219, 234, 254, 0.9) 6px,
      rgba(191, 219, 254, 0.9) 6px,
      rgba(191, 219, 254, 0.9) 12px
    );
    min-height: 130px;
    overflow: hidden;
  }
  
  .pub-image img {
    width: 100%;
    height: 100%;
    max-height: 220px;
    object-fit: cover; /* 关键：自适应不同比例的论文图片 */
    display: block;
  }
  
  .pub-image::after {
    content: "Main figure / thumbnail";
    position: absolute;
    bottom: 0.7rem;
    right: 0.9rem;
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-pill);
    background: rgba(15, 23, 42, 0.7);
    color: #e5e7eb;
    font-size: 0.7rem;
  }
  
  .pub-content {
    padding: 1.2rem 1.35rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.88rem;
  }
  
  .pub-meta {
    font-size: 0.78rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 600;
  }
  
  .pub-title {
    margin: 0.05rem 0;
    font-size: 0.98rem;
    font-weight: 600;
  }
  
  .pub-authors,
  .pub-venue {
    margin: 0;
    color: #4b5563;
  }
  
  .pub-authors {
    font-size: 0.86rem;
  }
  
  .pub-author-highlight {
    font-weight: 600;
    text-decoration: underline;
    text-decoration-style: dotted;
  }
  
  .pub-venue {
    font-size: 0.82rem;
    color: #6b7280;
  }
  
  .pub-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.35rem;
  }
  
  .pub-link {
    font-size: 0.8rem;
    padding: 0.18rem 0.6rem;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(209, 213, 219, 0.9);
    background: rgba(249, 250, 251, 0.96);
    text-decoration: none;
    color: #1f2933;
  }
  
  .pub-link:hover {
    border-color: rgba(148, 163, 184, 0.9);
    text-decoration: none;
  }
  
  .pub-abstract {
    margin: 0.45rem 0 0;
    font-size: 0.83rem;
    color: #4b5563;
  }
  
  /* All publications list */
  
  .pub-list {
    margin-top: 0.9rem;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.6rem;
    font-size: 0.86rem;
  }
  
  .pub-list-item {
    padding: 0.5rem 0.1rem;
    border-bottom: 1px dashed rgba(209, 213, 219, 0.9);
  }
  
  .pub-list-item:last-child {
    border-bottom: none;
  }
  
  .pub-list-title {
    font-weight: 500;
  }
  
  .pub-list-meta {
    font-size: 0.78rem;
    color: #6b7280;
  }
  
  .pub-list-authors {
    font-size: 0.82rem;
    color: #4b5563;
  }
  
  .pub-list-links {
    font-size: 0.78rem;
    margin-top: 0.15rem;
  }
  
  .pub-list-links a {
    margin-right: 0.6rem;
  }
  
  .pub-list-collapsible {
    display: none;
  }
  
  .pub-list-collapsible.is-expanded {
    display: grid;
  }
  
  /* Footer */
  
  .site-footer {
    padding: 2rem 0 2.4rem;
    font-size: 0.8rem;
    color: #6b7280;
  }
  
  .footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    border-top: 1px solid rgba(209, 213, 219, 0.9);
    padding-top: 1.2rem;
  }
  
  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
  }
  
  .footer-links a {
    text-decoration: none;
    color: #6b7280;
  }
  
  .footer-links a:hover {
    color: #111827;
    text-decoration: underline;
  }
  
  /* Responsive */
  
  @media (max-width: 900px) {
    .hero {
      flex-direction: column;
      align-items: stretch;
      gap: 2.2rem;
      min-height: auto;
      padding-top: 40px;
      padding-bottom: 40px;
    }
  
    .hero-aside {
      order: 2;
    }
  
    .hero-main {
      order: 1;
    }
  
    .profile-card {
      max-width: 440px;
      margin: 0 auto;
    }
  
    .hero-grid {
      inset: 15% 0;
    }
  
    .hero-orbit--1,
    .hero-orbit--2 {
      opacity: 0.4;
    }
  
    .brand-tagline {
      display: none;
    }
  }
  
  @media (max-width: 768px) {
    .header-inner {
      padding: 0.7rem 0;
      align-items: flex-start;
    }
  
    .nav {
      font-size: 0.86rem;
      gap: 0.75rem;
    }
  
    .hero-main {
      text-align: left;
    }
  
    .scroll-down {
      display: none;
    }
  
    .about-layout {
      grid-template-columns: minmax(0, 1fr);
      gap: 1.5rem;
    }
  }
  
  @media (max-width: 600px) {
    .container {
      width: min(100% - 2rem, 100%);
    }
  
    .nav {
      flex-wrap: wrap;
      justify-content: flex-end;
    }
  
    .brand-name {
      font-size: 1rem;
    }
  
    .section {
      padding: 80px 0;
    }
  
    .profile-top {
      flex-direction: row;
      align-items: flex-start;
    }
  
    .profile-avatar {
      width: 90px;
      height: 90px;
    }
  
    .footer-inner {
      flex-direction: column;
      align-items: flex-start;
    }
  
    .hero-meta {
      flex-direction: column;
      align-items: flex-start;
    }
  
    .icon-row {
      margin-top: 0.8rem;
    }
  
    .pub-grid {
      grid-template-columns: minmax(0, 1fr);
    }
  }