/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 清新浅粉色系配色 */
:root {
  /* 主色系 */
  --primary-color: #ff9eb5;
  --secondary-color: #ffb3c6;
  --accent-color: #ffc9d9;
  --light-pink: #ffe0e6;
  --very-light-pink: #fff5f7;
  --pale-pink: #ffebef;

  /* 文字颜色 */
  --text-primary: #2d3748;
  --text-secondary: #4a5568;
  --text-light: #718096;
  --text-white: #ffffff;

  /* 背景颜色 */
  --bg-primary: #ffffff;
  --bg-secondary: #fff5f7;
  --bg-accent: #ffebef;
  --bg-card: #ffffff;
  --bg-overlay: rgba(255, 158, 181, 0.9);

  /* 边框和阴影 */
  --border-color: #ffe0e6;
  --border-light: #f7fafc;
  --shadow-light: 0 2px 10px rgba(255, 158, 181, 0.15);
  --shadow-medium: 0 4px 20px rgba(255, 158, 181, 0.2);
  --shadow-hover: 0 8px 30px rgba(255, 158, 181, 0.25);

  /* 其他 */
  --border-radius: 12px;
  --border-radius-small: 8px;
  --border-radius-large: 16px;
  --transition: all 0.3s ease;
  --transition-fast: all 0.2s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

/* 容器样式 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* 导航栏 */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo span {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.6rem 1.2rem;
  border-radius: 20px;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  background-color: var(--bg-accent);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  margin: 3px 0;
  border-radius: 2px;
  transition: var(--transition);
}

/* 主要内容区域 */
main {
  min-height: calc(100vh - 140px);
}

/* 首页英雄区域 */
.hero-section {
  padding: 80px 0;
  background: linear-gradient(
    135deg,
    var(--very-light-pink) 0%,
    var(--light-pink) 100%
  );
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.profile-img {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  border: 8px solid var(--bg-primary);
  box-shadow: var(--shadow-medium);
}

/* 关于我部分 */
.about-section {
  padding: 80px 0;
  background: var(--bg-primary);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 3rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.about-text p {
  margin-bottom: 1.5rem;
}

.skills-section h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.skill-tag {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 0.6rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.skill-tag:hover {
  background: var(--accent-color);
  color: var(--primary-color);
  border-color: var(--accent-color);
}

/* 最新动态 */
.updates-section {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.updates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.update-card {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.update-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.update-date {
  color: var(--secondary-color);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.update-card h3 {
  color: var(--primary-color);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.update-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 简约页面头部 */
.simple-header {
  padding: 60px 0 40px;
  text-align: center;
  background: var(--bg-primary);
}

.simple-header h1 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.simple-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* 爱好页面 */
.hobbies-section {
  padding: 80px 0;
  background: var(--bg-primary);
}

.hobbies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 2rem;
}

.hobby-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: var(--transition);
}

.hobby-card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-5px);
}

.hobby-header {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.hobby-icon {
  font-size: 2rem;
  margin-right: 1rem;
}

.hobby-card h3 {
  color: var(--primary-color);
  font-size: 1.5rem;
}

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

.hobby-details h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.hobby-details ul {
  list-style: none;
}

.hobby-details li {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  padding-left: 1rem;
  position: relative;
}

.hobby-details li::before {
  content: '•';
  color: var(--secondary-color);
  position: absolute;
  left: 0;
}

/* 相册页面 - 修复瀑布流布局 */
.gallery-nav {
  padding: 2rem 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 0.8rem 1.5rem;
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-secondary);
  border-radius: 20px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.filter-tab:hover,
.filter-tab.active {
  background: var(--secondary-color);
  color: var(--bg-primary);
  border-color: var(--secondary-color);
}

.gallery-section {
  padding: 80px 0;
  background: var(--bg-secondary);
}

/* 修复的瀑布流布局 */
.gallery-grid {
  columns: 4;
  column-gap: 12px;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  column-fill: balance;
}

.gallery-item {
  display: inline-block;
  width: 100%;
  margin-bottom: 12px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-light);
  background: var(--bg-card);
  break-inside: avoid;
}

.gallery-item img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  transition: var(--transition);
}

.gallery-item:hover img {
  opacity: 0.8;
}

.gallery-overlay {
  padding: 1rem;
  background: var(--bg-card);
}

.gallery-overlay h4 {
  margin-bottom: 0.5rem;
  font-size: 1rem;
  color: var(--primary-color);
}

.gallery-overlay p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* 简约图文混排布局 */
.content-section {
  padding: 80px 0;
  background: var(--bg-primary);
}

.content-block {
  margin-bottom: 4rem;
}

.content-block:last-child {
  margin-bottom: 0;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.content-grid.reverse {
  direction: rtl;
}

.content-grid.reverse > * {
  direction: ltr;
}

.content-text h2 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.content-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.content-image {
  text-align: center;
}

.content-image img {
  max-width: 100%;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
}

.single-column {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.single-column h2 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 2rem;
}

.single-column p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.single-column img {
  max-width: 100%;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
  margin: 2rem 0;
}

/* 联系页面 */
.login-section {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.login-container {
  display: flex;
  justify-content: center;
}

.login-card {
  background: var(--bg-primary);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-color);
  max-width: 400px;
  width: 100%;
  text-align: center;
}

.login-card h2 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.8rem;
}

.login-card > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.login-form {
  text-align: left;
}

.input-group {
  margin-bottom: 1.5rem;
}

.input-group label {
  display: block;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.input-group input,
.input-group select,
.input-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--bg-primary);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(255, 158, 181, 0.1);
}

.login-button,
.submit-button {
  width: 100%;
  padding: 1rem;
  background: var(--secondary-color);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.login-button:hover,
.submit-button:hover {
  background: var(--primary-color);
}

.login-tip {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  text-align: center;
}

.login-tip code {
  background: var(--primary-color);
  color: var(--bg-primary);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9rem;
}

.contact-section {
  padding: 80px 0;
  background: var(--bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.contact-info,
.message-form {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2rem;
}

.contact-info h2,
.message-form h2 {
  color: var(--primary-color);
  margin-bottom: 2rem;
  font-size: 1.5rem;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
}

.contact-icon {
  font-size: 1.5rem;
  margin-right: 1rem;
  width: 40px;
  text-align: center;
}

.contact-detail h4 {
  color: var(--primary-color);
  margin-bottom: 0.3rem;
  font-size: 1rem;
}

.contact-detail p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.faq-section {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

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

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.faq-item {
  background: var(--bg-primary);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.faq-item h4 {
  color: var(--primary-color);
  margin-bottom: 0.8rem;
  font-size: 1rem;
}

.faq-item p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 页脚 */
.footer {
  background: var(--primary-color);
  color: var(--bg-primary);
  text-align: center;
  padding: 2rem 0;
}

/* 学校页面增强层次感 */
.school-highlight {
  background: linear-gradient(
    135deg,
    var(--bg-secondary) 0%,
    var(--bg-accent) 100%
  );
  padding: 3rem;
  border-radius: var(--border-radius);
  margin: 2rem 0;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-medium);
}

.school-stats-section {
  background: var(--bg-secondary);
  padding: 4rem 0;
  margin: 4rem 0;
  border-radius: var(--border-radius);
}

.stats-highlight {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
  margin: 2rem 0;
}

.stat-highlight {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.stat-highlight:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.stat-highlight .number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: block;
  margin-bottom: 0.5rem;
}

.stat-highlight .label {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* 隐藏类 */
.hidden {
  display: none !important;
}

/* 成功消息 */
.success-message {
  background: var(--secondary-color);
  color: var(--bg-primary);
  padding: 1rem;
  border-radius: var(--border-radius);
  text-align: center;
  margin-top: 1rem;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .container {
    padding: 0 20px;
  }

  .nav-container {
    padding: 1rem 20px;
  }

  .gallery-grid {
    columns: 3;
    column-gap: 10px;
    max-width: 840px;
  }

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

@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .content-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: var(--bg-primary);
    width: 100%;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
  }

  .nav-menu.active {
    left: 0;
  }

  .gallery-grid {
    columns: 2;
    column-gap: 8px;
    max-width: 560px;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

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

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

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

  .filter-tabs {
    gap: 0.5rem;
  }

  .filter-tab {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }

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

  .stats-highlight {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 15px;
  }

  .nav-container {
    padding: 1rem 15px;
  }

  .gallery-grid {
    columns: 1;
    column-gap: 0;
    max-width: 280px;
  }

  .gallery-item {
    margin-bottom: 15px;
  }

  .gallery-overlay {
    padding: 1rem;
  }

  .gallery-overlay h4 {
    font-size: 1rem;
  }

  .gallery-overlay p {
    font-size: 0.8rem;
  }

  .simple-header h1 {
    font-size: 2rem;
  }

  .simple-header p {
    font-size: 1rem;
  }

  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .filter-tab {
    padding: 0.5rem 0.8rem;
    font-size: 0.8rem;
  }
}