* {
    margin: 0;
    padding: 0;
}

/* 导航栏样式 */
.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.navbar-dark .navbar-nav .nav-link:active {
    transform: translateY(0);
}

.body-container {
    max-width: 640px;
    width: 100%;
    margin: 0 auto;
    line-height: 1.6;
}

.secondary-btn {
    animation: breath 2s infinite;
    cursor: pointer
}

@keyframes breath {
    0% {
        transform: scale(1)
    }

    50% {
        transform: scale(1.1)
    }

    to {
        transform: scale(1)
    }
}

body {
    font-family: "Hiragino Kaku Gothic Pro", "メイリオ", sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #3A6073, #16222A);
    min-height: 100vh;
    box-sizing: border-box;
}

.user-avatar {
    width: 96px;
    height: 96px;
}

.secondary-btn img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

/* 响应式设计 - 移动端导航栏 */
@media (max-width: 991px) {
    .navbar-collapse {
        background-color: rgba(33, 37, 41, 0.95);
        padding: 1rem;
        border-radius: 5px;
        margin-top: 0.5rem;
    }
    
    .navbar-dark .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        margin: 0.25rem 0;
    }
}

@media (min-width: 992px) {
    .navbar-nav {
        gap: 0.5rem;
    }
}