/* SSH-Tunnel GitHub Pages 样式文件 */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --dark-color: #212529;
    --light-color: #f8f9fa;
}

/* 页面切换动画 */
body {
    opacity: 0;
    animation: fadeIn 0.6s ease-in-out forwards;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(15px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 导航链接动画效果 */
.navbar-nav .nav-link {
    position: relative;
    transition: color 0.3s;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 100%;
    opacity: 0.8;
}

.navbar-nav .nav-link.active::after {
    width: 100%;
    opacity: 1;
    background-color: white;
}

/* 添加标识动画效果 */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-right {
    animation: fadeInRight 0.5s ease forwards;
}

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

.fade-out-right {
    animation: fadeOutRight 0.5s ease forwards;
}

/* 导航栏过渡效果 */
.navbar {
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar.navbar-scrolled {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    background-color: rgba(33, 37, 41, 0.97) !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.navbar-brand {
    transition: transform 0.3s ease, font-size 0.3s ease;
}

.navbar.navbar-scrolled .navbar-brand {
    transform: scale(1.05);
}

/* 标识样式优化 */
#nav-slogan {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

#nav-slogan:hover {
    background-color: var(--primary-color);
    color: white;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-section {
    background: linear-gradient(135deg, var(--primary-color), #0a58ca);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

pre {
    border-radius: 5px;
    overflow-x: auto;
}

code {
    font-family: 'Consolas', 'Monaco', monospace;
}

.section-title {
    position: relative;
    margin-bottom: 2rem;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

.btn {
    border-radius: 4px;
    padding: 0.5rem 1.5rem;
}

.screenshot {
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

footer {
    background-color: var(--dark-color);
    color: #fff;
}

/* 文档页面样式 */
.doc-nav {
    position: sticky;
    top: 2rem;
}

.doc-section {
    margin-bottom: 3rem;
}

.doc-section h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.command-table {
    font-size: 0.9rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.2rem;
    }

    h1.display-4 {
        font-size: 2.5rem;
    }
}