@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+TC:wght@400;500;600;700;900&family=Noto+Sans+TC:wght@300;400;500;700&display=swap');

:root {
  --color-bg-primary: #FAFAF7;
  --color-bg-secondary: #F0EDE8;
  --color-bg-card: #FFFFFF;
  --color-bg-card-hover: #F8FBF8;
  --color-accent: #6B8F71;
  --color-accent-light: #8FB396;
  --color-accent-dark: #4A6B50;
  --color-accent-bg: rgba(107, 143, 113, 0.08);
  --color-accent-bg-hover: rgba(107, 143, 113, 0.15);
  --color-text-primary: #2C2C2C;
  --color-text-secondary: #6B6B6B;
  --color-text-muted: #9B9B9B;
  --color-border: rgba(107, 143, 113, 0.2);
  --color-border-light: rgba(0, 0, 0, 0.06);
  --color-shadow: rgba(107, 143, 113, 0.08);
  --font-serif: 'Noto Serif TC', serif;
  --font-sans: 'Noto Sans TC', sans-serif;
  --transition-base: 0.3s ease;
  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 8px 32px rgba(107, 143, 113, 0.12);
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.8;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-base);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==================== NAVBAR ==================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 250, 247, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(250, 250, 247, 0.95);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar-brand {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  letter-spacing: 1px;
}

.navbar-nav {
  display: flex;
  gap: 4px;
}

.navbar-nav a {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  border-radius: 8px;
  transition: all var(--transition-base);
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--color-accent-dark);
  background: var(--color-accent-bg);
}

/* Reading progress bar */
.reading-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  width: 0%;
  transition: width 0.1s linear;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ==================== HERO ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(107, 143, 113, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: -80px;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(107, 143, 113, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
}

.hero-text {
  flex: 1;
}

.hero-name {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  letter-spacing: 4px;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--color-accent);
  font-weight: 500;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-cta {
  display: inline-block;
  padding: 14px 40px;
  background: var(--color-accent);
  border: none;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-base);
  letter-spacing: 2px;
}

.hero-cta:hover {
  background: var(--color-accent-dark);
  color: #fff;
  box-shadow: 0 4px 20px rgba(107, 143, 113, 0.3);
  transform: translateY(-2px);
}

.hero-avatar {
  width: 280px;
  height: 320px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(107, 143, 113, 0.15);
  background: var(--color-bg-card);
  flex-shrink: 0;
  position: relative;
}

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

/* Hero decorative elements */
.hero-decor {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.hero-decor-1 {
  top: 20%;
  right: 15%;
  width: 80px;
  height: 80px;
  border: 2px solid rgba(107, 143, 113, 0.12);
  border-radius: 50%;
}

.hero-decor-2 {
  bottom: 25%;
  left: 10%;
  width: 12px;
  height: 12px;
  background: rgba(107, 143, 113, 0.15);
  border-radius: 50%;
}

.hero-decor-3 {
  top: 30%;
  left: 20%;
  width: 40px;
  height: 40px;
  border: 2px solid rgba(107, 143, 113, 0.08);
  border-radius: 8px;
  transform: rotate(45deg);
}

/* ==================== WAVE DIVIDER ==================== */
.wave-divider {
  width: 100%;
  line-height: 0;
  overflow: hidden;
}

.wave-divider svg {
  width: 100%;
  height: 48px;
  display: block;
}

.wave-divider.flip {
  transform: scaleY(-1);
}

/* ==================== SECTIONS COMMON ==================== */
section {
  padding: 100px 0;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
  color: var(--color-text-primary);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin: 16px auto 0;
  border-radius: 2px;
}

.section-alt {
  background: var(--color-bg-secondary);
}

/* ==================== ABOUT ==================== */
.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 2;
  margin-bottom: 20px;
}

/* ==================== EDUCATION ==================== */
.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.edu-card {
  background: var(--color-bg-card);
  border-radius: 16px;
  padding: 0;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.edu-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border);
  box-shadow: var(--shadow-card-hover);
}

.edu-card-top {
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
}

.edu-card-body {
  padding: 32px 28px;
}

.edu-card .edu-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
}

.edu-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  margin-bottom: 8px;
}

.edu-card .degree {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}

.edu-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ==================== CAREER / TIMELINE (single-side) ==================== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--color-accent-light), var(--color-accent-light), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
}

.timeline-badge {
  position: absolute;
  left: -40px;
  top: 20px;
  transform: translateX(-50%);
  left: -25px;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  white-space: nowrap;
  z-index: 2;
  box-shadow: 0 2px 8px rgba(107, 143, 113, 0.25);
}

.timeline-card {
  background: var(--color-bg-card);
  border-radius: 14px;
  padding: 28px 28px 28px 32px;
  border: 1px solid var(--color-border-light);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  margin-left: 20px;
}

.timeline-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateX(4px);
}

.timeline-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 10px;
  line-height: 1.5;
}

.timeline-card ul {
  padding-left: 0;
}

.timeline-card ul li {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  position: relative;
  padding-left: 16px;
}

.timeline-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent-light);
}

.timeline-card .desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ==================== PUBLIC SERVICE / RESEARCH ==================== */
.public-service {
  max-width: 850px;
  margin: 0 auto;
}

.public-main {
  background: var(--color-bg-card);
  border-radius: 16px;
  padding: 40px 36px;
  padding-left: 40px;
  border: 1px solid var(--color-border-light);
  border-left: 5px solid var(--color-accent);
  margin-bottom: 36px;
  box-shadow: var(--shadow-card);
}

.public-main h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 8px;
}

.public-main .role {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

.public-main > p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.highlight-box {
  background: var(--color-accent-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px 28px;
  margin: 24px 0;
}

.highlight-box h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  margin-bottom: 14px;
}

.highlight-box ul li {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
  padding-left: 16px;
  position: relative;
}

.highlight-box ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

.public-sub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.public-sub-card {
  background: var(--color-bg-card);
  border-radius: 12px;
  padding: 28px 24px;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.public-sub-card:hover {
  border-color: var(--color-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.public-sub-card h4 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  margin-bottom: 14px;
  line-height: 1.4;
}

.public-sub-card ul {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease;
  opacity: 0;
}

.public-sub-card:hover ul {
  max-height: 200px;
  opacity: 1;
}

.public-sub-card ul li {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  padding-left: 14px;
  position: relative;
}

.public-sub-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent-light);
}

/* ==================== EXPERTISE ==================== */
.expertise-intro {
  text-align: center;
  max-width: 600px;
  margin: -20px auto 40px;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.expertise-card {
  background: var(--color-bg-card);
  border-radius: 16px;
  padding: 0;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.expertise-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border);
  box-shadow: var(--shadow-card-hover);
}

.expertise-card-top {
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent-light), rgba(107, 143, 113, 0.1));
}

.expertise-card-body {
  padding: 36px 28px;
}

.expertise-card .icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
  transition: all var(--transition-base);
}

.expertise-card:hover .icon {
  background: var(--color-accent-bg-hover);
  transform: rotate(10deg);
}

.expertise-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

.expertise-card ul {
  text-align: left;
}

.expertise-card ul li {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
  padding-left: 14px;
  position: relative;
}

.expertise-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent-light);
}

/* ==================== PHILOSOPHY ==================== */
.philosophy-content {
  max-width: 850px;
  margin: 0 auto;
}

.philosophy-quote {
  margin-bottom: 56px;
}

.philosophy-quote blockquote {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-accent-dark);
  line-height: 1.8;
  padding: 32px 36px;
  padding-left: 40px;
  background: var(--color-accent-bg);
  border-left: 5px solid var(--color-accent);
  border-radius: 0 16px 16px 0;
  position: relative;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.philosophy-card {
  background: var(--color-bg-card);
  border-radius: 14px;
  padding: 32px 28px;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.philosophy-card:hover {
  border-color: var(--color-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.philosophy-card .card-number {
  position: absolute;
  top: 12px;
  right: 20px;
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(107, 143, 113, 0.07);
  line-height: 1;
  pointer-events: none;
}

.philosophy-card h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.philosophy-card h4 .phi-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--color-accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.philosophy-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

/* ==================== CONTACT ==================== */
.contact-wrapper {
  max-width: 600px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--color-border-light);
  border-radius: 0;
  padding: 12px 4px;
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color var(--transition-base);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-bottom-color: var(--color-accent);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Animated underline for inputs */
.form-group .input-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.4s ease;
}

.form-group input:focus ~ .input-line,
.form-group textarea:focus ~ .input-line {
  width: 100%;
}

.form-submit {
  display: inline-block;
  padding: 14px 48px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-base);
  align-self: center;
  letter-spacing: 1px;
  font-family: var(--font-sans);
}

.form-submit:hover {
  background: var(--color-accent-dark);
  box-shadow: 0 4px 20px rgba(107, 143, 113, 0.3);
  transform: translateY(-2px);
}

/* ==================== FOOTER ==================== */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--color-border-light);
  text-align: center;
}

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

/* ==================== MODAL ==================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--color-bg-card);
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
  max-width: 400px;
  width: 90%;
  border: 1px solid var(--color-border);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal-box {
  transform: scale(1);
}

.modal-box h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}

.modal-box p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}

.modal-btn {
  padding: 10px 40px;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-sans);
}

.modal-btn:hover {
  background: var(--color-accent-dark);
}

/* ==================== ANIMATIONS ==================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

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

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .education-grid,
  .expertise-grid,
  .public-sub-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(250, 250, 247, 0.97);
    flex-direction: column;
    padding: 16px 24px;
    gap: 4px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    border-bottom: 1px solid var(--color-border-light);
  }

  .navbar-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .menu-toggle {
    display: flex;
  }

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

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

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

  .hero-content {
    flex-direction: column-reverse;
    text-align: center;
    gap: 40px;
  }

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

  .hero-desc {
    max-width: 100%;
  }

  .hero-avatar {
    width: 200px;
    height: 240px;
  }

  .hero-name {
    font-size: 2.2rem;
    letter-spacing: 2px;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    letter-spacing: 1px;
  }

  section {
    padding: 70px 0;
  }

  .section-title {
    font-size: 1.8rem;
    margin-bottom: 40px;
  }

  .education-grid,
  .expertise-grid,
  .public-sub-grid {
    grid-template-columns: 1fr;
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
  }

  .public-sub-card ul {
    max-height: none;
    opacity: 1;
  }

  .timeline {
    padding-left: 30px;
  }

  .timeline::before {
    left: 10px;
  }

  .timeline-badge {
    left: -20px;
    font-size: 0.72rem;
    padding: 3px 10px;
  }

  .timeline-card {
    margin-left: 12px;
    padding: 20px 20px 20px 24px;
  }
}

@media (max-width: 480px) {
  .hero-name {
    font-size: 1.8rem;
  }

  .hero-avatar {
    width: 160px;
    height: 200px;
  }

  .public-main {
    padding: 28px 20px;
    padding-left: 24px;
  }

  .highlight-box {
    padding: 18px 16px;
  }
}

/* ==================== BLOG HERO ==================== */
.blog-hero {
  padding: 160px 0 60px;
  text-align: center;
  background: var(--color-bg-secondary);
}

.blog-hero-title {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  letter-spacing: 3px;
}

.blog-hero-desc {
  font-size: 1rem;
  color: var(--color-accent);
  font-weight: 400;
  letter-spacing: 1px;
}

/* ==================== BLOG GRID ==================== */
.blog-section {
  padding: 80px 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}

.blog-card {
  display: block;
  background: var(--color-bg-card);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  text-decoration: none;
  color: inherit;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border);
}

.blog-card-img {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-img img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: 28px;
}

.blog-card-date {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 10px;
  padding: 3px 12px;
  background: var(--color-accent-bg);
  border-radius: 20px;
}

.blog-card-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.6;
  margin-bottom: 12px;
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-link {
  font-size: 0.9rem;
  color: var(--color-accent);
  font-weight: 500;
  transition: color var(--transition-base);
}

.blog-card:hover .blog-card-link {
  color: var(--color-accent-dark);
}

/* ==================== ARTICLE PAGE ==================== */
.article-page {
  padding: 120px 0 80px;
}

.article-page .container {
  max-width: 800px;
}

.article-back {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--color-accent);
  margin-bottom: 32px;
  transition: color var(--transition-base);
}

.article-back:hover {
  color: var(--color-accent-dark);
}

.article-header {
  margin-bottom: 36px;
}

.article-date {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 12px;
  padding: 4px 14px;
  background: var(--color-accent-bg);
  border-radius: 20px;
}

.article-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-text-primary);
  line-height: 1.5;
}

.article-hero-img {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 40px;
  box-shadow: var(--shadow-card);
}

.article-hero-img img {
  width: 100%;
  height: auto;
  display: block;
}

.article-content {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-secondary);
}

.article-content p {
  margin-bottom: 24px;
}

.article-content h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 36px 0 16px;
}

.article-img-group {
  margin: 32px 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.article-img-group img {
  width: 100%;
  height: auto;
  display: block;
}

.article-highlight {
  background: var(--color-accent-bg);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 12px 12px 0;
  padding: 24px 28px;
  margin: 24px 0;
}

.article-highlight h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  margin-bottom: 8px;
}

.article-highlight p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.article-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 60px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border-light);
  gap: 16px;
}

.article-nav-btn {
  display: inline-block;
  padding: 10px 24px;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.9rem;
  color: var(--color-accent);
  transition: all var(--transition-base);
}

.article-nav-btn:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* Blog responsive */
@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-hero-title {
    font-size: 1.8rem;
  }

  .blog-hero {
    padding: 130px 0 40px;
  }

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

  .article-nav {
    flex-direction: column;
    align-items: center;
  }
}