/**
 * 关于页面样式
 */

/* 页面头部 */
.about-hero {
  background: linear-gradient(135deg, var(--bg-oxford-blue) 0%, var(--bg-oxford-blue-2) 100%);
  padding: 80px 0 30px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(52, 152, 219, 0.1) 0%, transparent 70%);
}

.about-hero .container {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.about-hero .headline-lg {
  color: var(--text-white);
  margin-bottom: 20px;
  font-size: clamp(2.5rem, 5vw, 4rem);
  animation: fadeInDown 0.5s ease forwards;
}

.about-hero .hero-text {
  color: var(--text-columbia-blue);
  font-size: var(--fs-5);
  line-height: 1.8;
  animation: fadeInUp 0.5s ease forwards 0.2s;
}

/* 个人简介 */
.about-profile {
  padding: 80px 0;
  background-color: var(--bg-oxford-blue);
}

.profile-wrapper {
  display: grid;
  gap: 30px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  margin-bottom: 40px;
}

.profile-content {
  text-align: left;
  padding: 20px;
}

.profile-content .section-title {
  color: var(--text-white);
  margin-bottom: 30px;
  font-size: clamp(2rem, 4vw, 2.5rem);
  position: relative;
  padding-bottom: 20px;
}

.profile-content .section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 4px;
  background: var(--bg-carolina-blue);
  border-radius: 2px;
}

.profile-text {
  color: var(--text-columbia-blue);
  font-size: var(--fs-5);
  line-height: 1.8;
  margin-bottom: 20px;
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
}

.stat-item {
  text-align: center;
  padding: 30px 20px;
  background: var(--bg-oxford-blue-2);
  border-radius: 20px;
  transition: transform 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-10px);
}

.stat-number {
  color: var(--bg-carolina-blue);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--fw-600);
  margin-bottom: 10px;
  display: block;
}

.stat-label {
  color: var(--text-columbia-blue);
  font-size: var(--fs-6);
}

.profile-banner {
  position: relative;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.profile-banner img {
  width: 100%;
  height: auto;
  transition: transform 0.3s ease;
}

.profile-banner:hover img {
  transform: scale(1.05);
}

/* 技能展示 */
.skills {
  padding: 80px 0;
  background: var(--bg-oxford-blue-2);
}

.skills .section-title {
  color: var(--text-white);
  margin-bottom: 60px;
}

.skills-wrapper {
  display: grid;
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.skill-category {
  background: var(--bg-oxford-blue);
  padding: 20px;
  border-radius: 20px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

.category-title {
  color: var(--text-white);
  font-size: var(--fs-4);
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 1px solid rgba(52, 152, 219, 0.2);
}

.skill-list {
  display: grid;
  gap: 25px;
}

.skill-item {
  position: relative;
  margin-bottom: 15px;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.skill-name {
  color: var(--text-columbia-blue);
  font-size: var(--fs-6);
  font-weight: var(--fw-500);
}

.skill-percentage {
  color: var(--bg-carolina-blue);
  font-size: var(--fs-6);
  font-weight: var(--fw-500);
}

.progress-bar {
  height: 8px;
  background: rgba(52, 152, 219, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.progress {
  height: 100%;
  background: linear-gradient(90deg, var(--bg-carolina-blue) 0%, rgba(52, 152, 219, 0.5) 100%);
  border-radius: 4px;
  transition: width 1s ease;
}

/* 证书展示 */
.certificates {
  padding: 80px 0;
  background: var(--bg-oxford-blue);
}

.certificates .section-title {
  color: var(--text-white);
  margin-bottom: 60px;
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  margin-top: 30px;
}

.certificate-card {
  background: var(--bg-oxford-blue-2);
  padding: 20px;
  border-radius: 20px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.certificate-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--bg-carolina-blue) 0%, rgba(52, 152, 219, 0.5) 100%);
}

.certificate-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.certificate-icon {
  width: 80px;
  height: 80px;
  background: rgba(52, 152, 219, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  transition: all 0.3s ease;
}

.certificate-icon ion-icon {
  font-size: 2.5rem;
  color: var(--bg-carolina-blue);
}

.certificate-card:hover .certificate-icon {
  background: var(--bg-carolina-blue);
  transform: rotateY(180deg);
}

.certificate-card:hover .certificate-icon ion-icon {
  color: var(--text-white);
}

.certificate-title {
  color: var(--text-white);
  font-size: var(--fs-5);
  margin-bottom: 15px;
  font-weight: var(--fw-600);
}

.certificate-date {
  color: var(--text-columbia-blue);
  font-size: var(--fs-6);
}

/* 兴趣爱好 */
.hobbies {
  padding: 80px 0;
  background: var(--bg-oxford-blue-2);
}

.hobbies .section-title {
  color: var(--text-white);
  margin-bottom: 60px;
}

.hobbies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  margin-top: 30px;
}

.hobby-card {
  background: var(--bg-oxford-blue);
  padding: 20px;
  border-radius: 20px;
  text-align: center;
  transition: all 0.3s ease;
}

.hobby-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.hobby-icon {
  width: 70px;
  height: 70px;
  background: rgba(52, 152, 219, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  transition: all 0.3s ease;
}

.hobby-icon ion-icon {
  font-size: 2rem;
  color: var(--bg-carolina-blue);
}

.hobby-card:hover .hobby-icon {
  background: var(--bg-carolina-blue);
}

.hobby-card:hover .hobby-icon ion-icon {
  color: var(--text-white);
}

.hobby-title {
  color: var(--text-white);
  font-size: var(--fs-5);
  margin-bottom: 15px;
  font-weight: var(--fw-600);
}

.hobby-text {
  color: var(--text-columbia-blue);
  font-size: var(--fs-6);
  line-height: 1.6;
}

/* 响应式布局 */
@media (min-width: 768px) {
  .profile-wrapper {
    grid-template-columns: 1fr 1fr;
  }
  
  .skills-wrapper {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .about-hero {
    padding: 70px 0 30px;
  }
  
  .profile-wrapper {
    text-align: center;
    gap: 20px;
  }
  
  .profile-content .section-title::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .skill-category {
    padding: 20px 15px;
  }
  
  .certificate-card,
  .hobby-card {
    padding: 20px 15px;
  }
}