/* ===== CSS Variables ===== */
:root {
  --color-navy: #1a2a4a;
  --color-navy-light: #2a3f6a;
  --color-navy-dark: #0f1a2e;
  --color-gold: #c9a84c;
  --color-gold-light: #e0c878;
  --color-gold-dark: #a8882e;
  --color-ivory: #f8f5f0;
  --color-ivory-dark: #efe8dd;
  --color-white: #ffffff;
  --color-text: #2d2d2d;
  --color-text-light: #6b6b6b;
  --color-text-lighter: #9a9a9a;
  --color-border: #e0d8cc;
  --color-border-light: #f0ebe3;
  --color-card-shadow: rgba(26, 42, 74, 0.08);
  --color-card-shadow-hover: rgba(26, 42, 74, 0.15);
  --font-heading: 'Lora', 'Georgia', 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --max-width: 1100px;
  --nav-height: 52px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-ivory);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(248, 245, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  height: var(--nav-height);
  transition: box-shadow var(--transition);
}

.nav.scrolled {
  box-shadow: 0 2px 20px rgba(26, 42, 74, 0.06);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-navy);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-logo span {
  color: var(--color-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--color-navy);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--color-navy);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Main Content ===== */
.main {
  padding-top: var(--nav-height);
  min-height: 100vh;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Hero Section ===== */
.hero {
  padding: 60px 0 40px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(26, 42, 74, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  position: relative;
  z-index: 1;
}

.hero-avatar {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-gold);
  box-shadow: 0 8px 30px rgba(201, 168, 76, 0.2);
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-text {
  flex: 1;
}

.hero-name {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.2;
  margin-bottom: 2px;
}

.hero-name-en {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-text-lighter);
  font-style: italic;
  margin-bottom: 6px;
}

.hero-title {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 2px;
}

.hero-affiliation {
  font-size: 0.85rem;
  color: var(--color-text-lighter);
  margin-bottom: 14px;
}

.hero-interests {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 0;
}

.hero-interests span {
  background: var(--color-white);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--color-navy);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.hero-interests span:hover {
  border-color: var(--color-gold);
  background: rgba(201, 168, 76, 0.06);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--color-navy);
  color: var(--color-white);
  border: 1px solid var(--color-navy);
}

.btn-primary:hover {
  background: var(--color-navy-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(26, 42, 74, 0.2);
}

.btn-outline {
  background: transparent;
  color: var(--color-navy);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-dark);
  transform: translateY(-1px);
}

.btn-gold {
  background: var(--color-gold);
  color: var(--color-navy);
  border: 1px solid var(--color-gold);
}

.btn-gold:hover {
  background: var(--color-gold-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(201, 168, 76, 0.3);
}

/* ===== Stats Section ===== */
.stats {
  padding: 32px 0;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  margin: 0 24px;
}

.stats-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-item {
  text-align: center;
  padding: 8px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--color-text-lighter);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* ===== Section Titles ===== */
.section {
  padding: 48px 0;
}

.section-header {
  margin-bottom: 28px;
}

.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gold-dark);
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.3;
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: 6px;
  max-width: 600px;
}

/* ===== Article Cards ===== */
.articles-grid {
  display: grid;
  gap: 14px;
}

.article-card {
  background: var(--color-white);
  border-radius: 10px;
  padding: 18px 22px;
  border: 1px solid var(--color-border-light);
  box-shadow: 0 1px 6px var(--color-card-shadow);
  transition: all var(--transition);
}

.article-card:hover {
  box-shadow: 0 8px 30px var(--color-card-shadow-hover);
  transform: translateY(-2px);
  border-color: var(--color-border);
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.8rem;
  color: var(--color-text-lighter);
}

.article-card-date {
  display: flex;
  align-items: center;
  gap: 4px;
}

.article-card-journal {
  display: inline-block;
  padding: 2px 10px;
  background: var(--color-ivory-dark);
  border-radius: 4px;
  font-size: 0.78rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.article-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 8px;
}

.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-navy);
  background: rgba(26, 42, 74, 0.06);
  transition: all var(--transition);
}

.tag:hover {
  background: rgba(26, 42, 74, 0.1);
}

.article-card-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.35;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-authors {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-bottom: 6px;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border-light);
}

.article-card-doi {
  font-size: 0.75rem;
  color: var(--color-text-lighter);
  text-decoration: none;
  font-family: var(--font-mono);
}

.article-card-doi:hover {
  color: var(--color-gold-dark);
}

.article-card-link {
  font-size: 0.85rem;
  color: var(--color-gold-dark);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

.article-card-link:hover {
  gap: 8px;
}

/* ===== Articles Page ===== */
.articles-header {
  padding: 60px 0 48px;
}

.articles-header .section-title {
  font-size: 2.5rem;
}

.articles-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 4px 14px;
  border-radius: 16px;
  font-size: 0.82rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}

.filter-btn:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-dark);
}

.filter-btn.active {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

/* ===== Article Detail Page ===== */
.article-detail {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px 100px;
}

.article-detail-header {
  margin-bottom: 40px;
}

.article-detail-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.85rem;
}

.article-detail-breadcrumb a {
  color: var(--color-text-lighter);
  text-decoration: none;
  transition: color var(--transition);
}

.article-detail-breadcrumb a:hover {
  color: var(--color-gold-dark);
}

.article-detail-breadcrumb span {
  color: var(--color-text-lighter);
}

.article-detail-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.3;
  margin-bottom: 16px;
}

.article-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.article-detail-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-detail-doi {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-lighter);
  margin-bottom: 20px;
}

.article-detail-doi a {
  color: var(--color-gold-dark);
  text-decoration: none;
}

.article-detail-doi a:hover {
  text-decoration: underline;
}

.article-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.article-detail-body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.article-detail-body h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-top: 40px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border-light);
}

.article-detail-body h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-top: 28px;
  margin-bottom: 12px;
}

.article-detail-body p {
  margin-bottom: 16px;
}

.article-detail-body ul,
.article-detail-body ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.article-detail-body li {
  margin-bottom: 8px;
}

.article-detail-body strong {
  color: var(--color-navy);
  font-weight: 600;
}

.article-detail-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.9rem;
}

.article-detail-body th,
.article-detail-body td {
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  text-align: left;
}

.article-detail-body th {
  background: var(--color-navy);
  color: var(--color-white);
  font-weight: 600;
}

.article-detail-body tr:nth-child(even) {
  background: rgba(26, 42, 74, 0.02);
}

/* ===== About Page ===== */
.about-header {
  padding: 60px 0 48px;
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.about-section-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--color-gold);
  display: inline-block;
}

.about-bio {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.7;
}

.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 20px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -21px;
  top: 5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gold);
  border: 2px solid var(--color-ivory);
}

.timeline-period {
  font-size: 0.78rem;
  color: var(--color-text-lighter);
  font-weight: 500;
  margin-bottom: 2px;
}

.timeline-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-navy);
}

.timeline-org {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.contact-info {
  background: var(--color-white);
  border-radius: 10px;
  padding: 20px 24px;
  border: 1px solid var(--color-border-light);
  margin-top: 0;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 42, 74, 0.06);
  border-radius: 8px;
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 18px;
  height: 18px;
  color: var(--color-navy);
}

.contact-item-label {
  font-size: 0.78rem;
  color: var(--color-text-lighter);
}

.contact-item-value {
  font-size: 0.85rem;
  color: var(--color-navy);
  font-weight: 500;
}

.contact-item-value a {
  color: var(--color-gold-dark);
  text-decoration: none;
}

.contact-item-value a:hover {
  text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--color-border-light);
  padding: 24px 0;
  text-align: center;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.footer-text {
  font-size: 0.85rem;
  color: var(--color-text-lighter);
}

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

.footer-text a:hover {
  color: var(--color-gold-dark);
}

/* ===== Page Header ===== */
.page-header {
  padding: 0 0 28px;
  position: relative;
  margin-bottom: 8px;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-gold);
}

.page-header .section-title {
  font-size: 1.6rem;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease forwards;
}

.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }
.fade-in-delay-4 { animation-delay: 0.4s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Skeleton Loading ===== */
.skeleton {
  background: linear-gradient(90deg, var(--color-ivory-dark) 25%, var(--color-border-light) 50%, var(--color-ivory-dark) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== Project Cards ===== */
.projects-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.project-card {
  background: var(--color-white);
  border-radius: 10px;
  padding: 16px 20px;
  border: 1px solid var(--color-border-light);
  box-shadow: 0 1px 6px var(--color-card-shadow);
  transition: all var(--transition);
  border-left: 4px solid var(--color-gold);
}

.project-card:hover {
  box-shadow: 0 8px 30px var(--color-card-shadow-hover);
  transform: translateY(-1px);
}

.project-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.project-type {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-navy);
  color: var(--color-white);
}

.project-type.participate {
  background: rgba(26, 42, 74, 0.08);
  color: var(--color-navy);
}

.project-status {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(201, 168, 76, 0.15);
  color: var(--color-gold-dark);
}

.project-status.closed {
  background: rgba(154, 154, 154, 0.12);
  color: var(--color-text-lighter);
}

.project-name {
  font-size: 0.85rem;
  color: var(--color-text);
  line-height: 1.45;
  margin-bottom: 6px;
}

.project-meta {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--color-text-lighter);
}

.project-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-light);
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}

.pagination-btn:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-dark);
}

.pagination-btn.active {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
}

/* ===== Error State ===== */
.error-state {
  text-align: center;
  padding: 80px 24px;
}

.error-state h2 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  margin-bottom: 12px;
}

.error-state p {
  color: var(--color-text-light);
  margin-bottom: 24px;
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--color-text-lighter);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-content {
    gap: 32px;
  }

  .hero-name {
    font-size: 2rem;
  }

  .about-layout {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(248, 245, 240, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border-light);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition);
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 40px 0 28px;
  }

  .hero-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .hero-avatar {
    width: 80px;
    height: 80px;
  }

  .hero-interests {
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-name {
    font-size: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .article-card {
    padding: 14px;
  }

  .article-card-title {
    font-size: 1rem;
  }

  .article-detail {
    padding: 40px 20px 60px;
  }

  .article-detail-title {
    font-size: 1.5rem;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .page-header {
    padding: 0 0 20px;
  }

  .page-header .section-title {
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-name {
    font-size: 1.3rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .article-card {
    padding: 12px;
  }

  .article-detail-title {
    font-size: 1.3rem;
  }
}