/* 全局重置和基础样式 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* 自定义属性 */
:root {
  --primary-color: #60a5fa;
  --secondary-color: #22d3ee;
  --accent-color: #00d084;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-glass: rgba(255, 255, 255, 0.05);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-radius: 12px;
  --border-radius-large: 16px;
  --transition: all 0.3s ease;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.4);
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
}

/* 页面背景 & 字体 */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-color);
}

/* 顶部导航 */
.navbar {
  background-color: rgba(30, 41, 59, 0.9);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  transition: var(--transition);
}

.logo:hover {
  color: var(--secondary-color);
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

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

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

/* 移动端菜单按钮 */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  gap: 4px;
  z-index: 1001;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}

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

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

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* 英雄区 */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(96, 165, 250, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(34, 211, 238, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  max-width: 900px;
  width: 100%;
  padding: 3rem 2rem;
  border-radius: var(--border-radius);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  text-align: center;
  position: relative;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-photo {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  margin-bottom: 1.5rem;
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.hero-photo:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-hover);
}

.hero-subtitle {
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* 彩色渐变文字 */
.gradient-text {
  background: linear-gradient(to right, var(--secondary-color), var(--primary-color), #9333ea);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 打字光标 */
#typed-text::after {
  content: "|";
  display: inline-block;
  animation: blink 0.8s infinite;
  color: var(--primary-color);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 通用内容区 */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* 基础毛玻璃卡片样式 */
.glass-card {
  min-height: 100vh;
  margin: 2rem auto;
  border-radius: 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* 类型1：正常毛玻璃加阴影 */
.glass-card-simple {
  min-height: 100vh;
  margin: 2rem auto;
  border-radius: 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* 类型2：毛玻璃卡片加彩色边框 */
.glass-card-colored {
  min-height: 100vh;
  margin: 2rem auto;
  border-radius: 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.glass-card-colored::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 24px;
  padding: 2px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* 非首页section的样式 */
.section:not(#about) {
  min-height: 100vh;
  margin: 2rem auto;
  border-radius: 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Highlights和Vision社团的特殊样式 - 无蓝色边框 */
.section#personal,
.section#vision {
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
}

/* 为section添加装饰性边框 - 只对特定section应用 */
.section:not(#about):not(#personal):not(#vision):not(#projects)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 24px;
  padding: 2px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.section h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
}

/* 关于我部分 */
.about-content {
  padding: 2rem;
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-content p {
  font-size: var(--font-size-lg);
  margin-bottom: 2rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* 优化正文排版 */
.section, .about-content {
  line-height: 1.8;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
}

.section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-align: center;
  color: var(--primary-color);
}

.section-intro, .about-content p {
  text-align: center;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  font-size: 1.15rem;
}

.about-intro {
  text-align: center;
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* 成就卡片优化 */
.achievements {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  margin: 2.5rem 0;
}

.achievement-item {
  flex: 1 1 260px;
  max-width: 320px;
  min-width: 220px;
  background: var(--bg-secondary);
  border-radius: 18px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1.2rem 1.2rem 1.2rem;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1.5px solid var(--border-color);
}

.achievement-item:hover {
  transform: scale(1.04) translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.22);
  border-color: var(--primary-color);
}

.achievement-icon {
  font-size: 2.2rem;
  margin-bottom: 0.7rem;
}

.achievement-item span:last-child {
  text-align: center;
  font-size: 1.08rem;
  color: var(--text-primary);
}

.achievement-desc {
  margin-top: 0.7rem;
  font-size: 0.98rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.6;
}

/* Vision社团高亮 */
.vision-highlight {
  display: inline-block;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  padding: 0.7em 1em;
  border-radius: 10px;
  font-weight: 500;
  margin-top: 1em;
  font-size: 1.08rem;
}

.vision-bili-btn-wrap {
  margin: 1.5rem 0 0.5rem 0;
  text-align: center;
}
.vision-bili-btn {
  display: inline-flex;
  align-items: center;
  background: #f3f4f6;
  color: #222;
  font-weight: 600;
  font-size: 1.08rem;
  border-radius: 999px;
  padding: 0.6em 1.4em;
  text-decoration: none;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
  gap: 0.6em;
}
.vision-bili-btn:hover {
  background: #e5e7eb;
  color: #00A1D6;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 6px 18px rgba(0,161,214,0.10);
}
.bili-logo {
  display: inline-block;
  vertical-align: middle;
}

/* 项目展示 */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  padding: 2rem;
  position: relative;
  z-index: 1;
  height: 100%;
  align-content: center;
}

.project-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  padding: 3rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-color);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.project-card h3 {
  color: var(--primary-color);
  margin-bottom: 0;
  font-size: 1.3rem;
  font-weight: var(--font-weight-semibold);
}

.project-link {
  color: var(--text-secondary);
  transition: var(--transition);
  padding: 0.25rem;
  border-radius: 4px;
}

.project-link:hover {
  color: var(--primary-color);
  background: rgba(255, 255, 255, 0.1);
}

.project-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  background: var(--primary-color);
  color: var(--bg-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* 图集样式 */
.gallery {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding: 2rem 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.gallery-track {
  display: flex;
  animation: scroll-track 30s linear infinite;
}

.gallery-track img {
  flex-shrink: 0;
  width: 280px;
  height: 180px;
  margin-right: 1.5rem;
  border-radius: var(--border-radius);
  object-fit: cover;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.gallery-track img:hover {
  transform: scale(1.1);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-hover);
}

@keyframes scroll-track {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 联系区域 - 横向独占整个网页 */
.contact-section {
  width: 100%;
  background: linear-gradient(135deg, var(--bg-secondary), #1a1a1a);
  padding: 4rem 0;
  margin: 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(96, 165, 250, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(34, 211, 238, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.contact-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

.contact-section h2 {
  font-size: 3rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-weight: var(--font-weight-semibold);
}

.contact-section .highlight {
  color: var(--primary-color);
}

.contact-section .intro {
  color: var(--text-secondary);
  font-size: 1.2rem;
  line-height: 1.6;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.contact-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 3rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 1rem 1.5rem;
  background: var(--bg-glass);
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  backdrop-filter: blur(20px);
}

.contact-link:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-color);
  color: var(--text-primary);
}

.contact-icon {
  font-size: 1.1rem;
}

.btn-cta {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: var(--transition);
  font-size: var(--font-size-base);
}

.btn-cta:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* 保留原有的contact-cta样式以防其他地方使用 */
.contact-cta {
  background-color: #1e1e1e;
  border-radius: var(--border-radius);
  padding: 2rem;
  margin: 2rem auto;
  text-align: center;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-cta h2 {
  font-size: 2.5rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contact-cta .highlight {
  color: var(--accent-color);
}

.contact-cta .intro {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* 页脚 */
.site-footer {
  background-color: #111;
  padding: 1rem 0;
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.copy {
  color: #555;
  margin: 0;
}

.footer-nav {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.footer-nav a {
  color: #888;
  text-decoration: none;
  transition: var(--transition);
}

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

.sep {
  color: #888;
}

.site-footer .version {
  color: #94a3b8;
  font-size: 0.98rem;
  margin-top: 0.2em;
  text-align: right;
}
@media (max-width: 600px) {
  .site-footer .version {
    text-align: center;
    margin-top: 0.5em;
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .glass-card,
  .glass-card-simple,
  .glass-card-colored {
    min-height: 100vh;
    margin: 1rem auto;
    border-radius: 16px;
    padding: 1.5rem 1rem;
  }
  
  .glass-card-colored::before {
    border-radius: 16px;
  }
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 1000;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links a {
    font-size: 1.5rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
  }
  
  .nav-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero-content {
    padding: 2rem 1rem;
  }
  
  .hero-photo {
    width: 150px;
    height: 150px;
  }
  
  .section {
    padding: 0 1rem;
    min-height: 100vh;
  }
  
  .section:not(#about) {
    min-height: 100vh;
    margin: 1rem auto;
    border-radius: 16px;
    padding: 1.5rem 1rem;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    padding: 1.5rem;
    gap: 1.5rem;
  }
  
  .project-card {
    padding: 2rem;
  }
  
  .achievements {
    grid-template-columns: 1fr;
  }
  
  .contact-links {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .contact-link {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
  
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .gallery-track img {
    width: 200px;
    height: 130px;
  }
  
  .about-content {
    padding: 2rem;
  }
}

@media (max-width: 480px) {
  .glass-card,
  .glass-card-simple,
  .glass-card-colored {
    min-height: 100vh;
    margin: 1rem auto;
    border-radius: 12px;
    padding: 1rem;
  }
  
  .glass-card-colored::before {
    border-radius: 12px;
  }
  .hero-content {
    padding: 1.5rem 1rem;
  }
  
  .hero-photo {
    width: 120px;
    height: 120px;
  }
  
  .section h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
  }
  
  .section:not(#about) {
    min-height: 100vh;
    margin: 1rem auto;
    border-radius: 12px;
    padding: 1rem;
  }
  
  .contact-section h2 {
    font-size: 1.8rem;
  }
  
  .contact-cta h2 {
    font-size: 1.8rem;
  }
  
  .gallery-track img {
    width: 150px;
    height: 100px;
  }
  
  .projects-grid {
    padding: 1.5rem;
  }
  
  .project-card {
    padding: 1.5rem;
  }
  
  .about-content {
    padding: 1.5rem;
  }
  
  .contact-cta {
    padding: 2rem 1.5rem;
  }
}

/* 动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  animation: fadeInUp 0.8s ease-out;
}

/* 加载优化 */
img {
  max-width: 100%;
  height: auto;
}

/* 焦点样式 */
a:focus,
button:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* 灯箱效果 */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.3s ease;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
}

.lightbox-content img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-hover);
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.5rem;
  transition: var(--transition);
}

.lightbox-close:hover {
  color: var(--primary-color);
  transform: scale(1.1);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 减少动画 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.highlight-quote {
  margin: 0 auto 2.5rem auto;
  max-width: 600px;
  background: linear-gradient(90deg, var(--bg-secondary), var(--bg-tertiary));
  color: var(--primary-color);
  border-radius: 14px;
  padding: 1.5rem 2rem;
  font-size: 1.18rem;
  font-style: italic;
  text-align: center;
  box-shadow: 0 4px 18px rgba(0,0,0,0.10);
}