.members-container {
    max-width: 1440px;
    display: flex;
    flex-direction: column;
    margin: 0 auto;
    padding-top: 80px;
    padding-left: 20px;
    padding-right: 20px;
}

.hero-banner {
    background: linear-gradient(45deg, #4e54c8, #8f94fb);
    padding: 2rem 0;
    gap: 2rem;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100" opacity="0.1"><rect x="0" y="0" width="10" height="10" fill="%23ffffff"/><rect x="20" y="0" width="10" height="10" fill="%23ffffff"/><rect x="40" y="0" width="10" height="10" fill="%23ffffff"/><rect x="60" y="0" width="10" height="10" fill="%23ffffff"/><rect x="80" y="0" width="10" height="10" fill="%23ffffff"/><rect x="0" y="20" width="10" height="10" fill="%23ffffff"/><rect x="20" y="20" width="10" height="10" fill="%23ffffff"/><rect x="40" y="20" width="10" height="10" fill="%23ffffff"/><rect x="60" y="20" width="10" height="10" fill="%23ffffff"/><rect x="80" y="20" width="10" height="10" fill="%23ffffff"/><rect x="0" y="40" width="10" height="10" fill="%23ffffff"/><rect x="20" y="40" width="10" height="10" fill="%23ffffff"/><rect x="40" y="40" width="10" height="10" fill="%23ffffff"/><rect x="60" y="40" width="10" height="10" fill="%23ffffff"/><rect x="80" y="40" width="10" height="10" fill="%23ffffff"/><rect x="0" y="60" width="10" height="10" fill="%23ffffff"/><rect x="20" y="60" width="10" height="10" fill="%23ffffff"/><rect x="40" y="60" width="10" height="10" fill="%23ffffff"/><rect x="60" y="60" width="10" height="10" fill="%23ffffff"/><rect x="80" y="60" width="10" height="10" fill="%23ffffff"/><rect x="0" y="80" width="10" height="10" fill="%23ffffff"/><rect x="20" y="80" width="10" height="10" fill="%23ffffff"/><rect x="40" y="80" width="10" height="10" fill="%23ffffff"/><rect x="60" y="80" width="10" height="10" fill="%23ffffff"/><rect x="80" y="80" width="10" height="10" fill="%23ffffff"/></svg>');
    background-size: 100px;
    animation: bg-move 10s linear infinite;
}

@keyframes bg-move {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 100px 100px;
    }
}

.hero-title {
    margin-top: 4rem;
    font-size: 5rem;
    letter-spacing: 0.6rem;
    color: #ffffff;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #ffffff;
    animation: fadeInUp 1s ease-out 0.2s;
    animation-fill-mode: backwards;
}

.category-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 4rem;
    gap: 2rem;
    animation: fadeInUp 1s ease-out 0.4s;
    animation-fill-mode: backwards;
}

.category-btn {
    transition: all 0.3s ease;
    font-weight: 500;
    border-radius: 12px;
    padding: 0.6rem 1rem;
    min-width: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(45deg, #0072ff, #00c6ff);
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0, 114, 255, 0.5);
}

.category-btn::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 0.8s ease;
}

.category-btn .btn-description {
    font-size: 0.7rem;
    transition: all 0.3s ease;
    color: rgba(255, 255, 255, 0.8);
}

.category-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.category-btn.active {
    background: linear-gradient(45deg, #020024, #090979, #00d4ff);
}

.category-btn.active::before {
    left: 100%;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 成员列表 */
.members-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(560px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.member-card {
    display: flex;
    align-items: top;
    border: 1px solid #e0e0e0;
    border-radius: 16px;
    background-color: #fff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
    overflow: hidden;
    animation: fadeIn 1s ease-out;
    animation-fill-mode: backwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}


.member-card:hover {
    transform: translateY(-5px);
}

.member-img {
    flex: 0 0 180px;
    height: 100%;
    min-height: 240px;
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

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

.member-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: filter 0.3s ease;
}

.member-img:hover img {
    filter: brightness(1.1);
}

.member-img::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    pointer-events: none;
}

.member-body {
    flex: 1;
    padding: 1.3rem;
}

.member-header {
    display: flex;
    flex-direction: row;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.member-name {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
}

.member-role {
    font-size: 1rem;
    color: #666;
}

.member-desc {
    font-size: 0.9rem;
    color: #777;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.member-um {
    display: flex;
    gap: 1.5rem;
    font-size: 0.95rem;
    color: #4a5568;
    padding-left: 1rem;
    border-left: 3px solid #e9ecef;
}

.member-university, .member-major {
    display: flex;
    align-items: center;
    gap: 8px;
}

.member-desc {
    font-size: 1rem;
    color: #4a5568;
    line-height: 1.8;
    padding: 0.5rem 0;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .category-buttons {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 0.3rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .category-buttons {
        gap: 1rem;
    }
    
    .category-btn {
        min-width: 120px;
        padding: 0.5rem 0.8rem;
        font-size: 1.1rem;
    }
    
    .members-list {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}