/* 关于我们页面样式 */
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    color: #ffffff;
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    padding: 20px;
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
}

/* 添加背景动画效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("../img/bg.jpg") repeat top center fixed;
    background-size: cover;
    opacity: 0.3;
    z-index: -1;
    animation: backgroundMove 20s ease-in-out infinite;
}

@keyframes backgroundMove {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(1deg); }
}

.about-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    padding: 50px;
    max-width: 1000px;
    width: 100%;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.about-container:hover::before {
    left: 100%;
}

/* 头部区域 */
.header-section {
    margin-bottom: 40px;
}

.logo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo-icon {
    font-size: 2.5em;
    color: #ffd700;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.about-title {
    font-size: 2.5em;
    font-weight: bold;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    margin: 0;
}

.subtitle {
    font-size: 1.2em;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    letter-spacing: 2px;
}

/* 欢迎区域 */
.welcome-section {
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.welcome-icon {
    font-size: 1.5em;
    color: #ffd700;
    animation: wave 2s infinite;
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(20deg); }
    75% { transform: rotate(-20deg); }
}

.welcome-text {
    font-size: 1.3em;
    color: #fff;
    font-weight: 500;
}

/* 描述区域 */
.description-section {
    margin-bottom: 40px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    border-left: 4px solid #ffd700;
}

.description-section p {
    font-size: 1.1em;
    line-height: 1.8;
    color: #e0e0e0;
}

.description-section strong {
    color: #ffd700;
    font-weight: bold;
}

/* 功能特色区域 */
.features-section {
    margin-bottom: 40px;
}

.section-title {
    font-size: 1.8em;
    color: #fff;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.section-title i {
    color: #ffd700;
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 215, 0, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.feature-card:hover::before {
    transform: translateX(100%);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 215, 0, 0.3);
}

.feature-icon {
    font-size: 2.5em;
    color: #ffd700;
    margin-bottom: 15px;
    display: block;
}

.feature-card h3 {
    font-size: 1.3em;
    color: #fff;
    margin-bottom: 10px;
    font-weight: 600;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    font-size: 0.95em;
}

/* 团队区域 */
.team-section {
    margin-bottom: 40px;
}

.team-members {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.member-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-width: 200px;
}

.member-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 215, 0, 0.3);
}

.member-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 2em;
    color: #333;
}

.member-card h3 {
    font-size: 1.3em;
    color: #fff;
    margin-bottom: 5px;
    font-weight: 600;
}

.member-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95em;
}

/* 底部区域 */
.footer-section {
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
}

.thank-you {
    font-size: 1.2em;
    color: #ffd700;
    font-weight: bold;
    margin-bottom: 10px;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.contact-info i {
    color: #ffd700;
}

/* 按钮区域 */
.action-buttons {
    text-align: center;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #333;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.back-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.back-link:hover::before {
    left: 100%;
}

.back-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
    color: #333;
}

.back-link:active {
    transform: translateY(-1px);
}

.back-link i {
    font-size: 1.2em;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-container {
        padding: 30px 20px;
        margin: 10px;
    }
    
    .about-title {
        font-size: 2em;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .team-members {
        flex-direction: column;
        align-items: center;
    }
    
    .member-card {
        min-width: 180px;
    }
}

@media (min-width: 1080px) {
    body {
        min-width: 1080px;
    }
}

@media (min-height: 1920px) {
    body {
        min-height: 1920px;
    }
}