:root {
    --primary-color: #1A73E8;
    --secondary-color: #6c757d;
    --accent-color: #FF5722;
    --light-bg: #F8F9FA;
    --dark-bg: #343a40;
}

body {
    font-family: 'Roboto', sans-serif;
    color: #333;
    line-height: 1.6;
    padding-top: 76px;
}

/* 导航栏样式 */
.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Hero区域样式 */
.hero-section {
    background-color: var(--light-bg);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section h1 {
    color: #333;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-section .btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.hero-section .btn-primary:hover {
    background-color: #0d62c9;
    border-color: #0d62c9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 职责卡片样式 */
.responsibility-card {
    transition: all 0.3s ease;
    border-radius: 10px;
    overflow: hidden;
}

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

.icon-box {
    height: 80px;
    width: 80px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 工具卡片样式 */
.tool-card {
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.tool-card .card-title {
    font-weight: 600;
    color: #333;
}

.badge {
    font-weight: 500;
    padding: 0.5em 0.8em;
    border-radius: 4px;
}

/* 技能进度条样式 */
.skill-item {
    margin-bottom: 2rem;
}

.progress {
    height: 10px;
    border-radius: 5px;
    background-color: #e9ecef;
    overflow: hidden;
}

.progress-bar {
    background-color: var(--primary-color);
    transition: width 1.5s ease-in-out;
}

/* 标签页样式 */
.nav-pills .nav-link {
    color: var(--secondary-color);
    border-radius: 30px;
    padding: 0.5rem 1.5rem;
    margin: 0 0.25rem;
    transition: all 0.3s ease;
}

.nav-pills .nav-link.active {
    background-color: var(--primary-color);
    color: white !important;
    box-shadow: 0 4px 8px rgba(26, 115, 232, 0.3);
}

.nav-pills .nav-link:hover {
    color: var(--primary-color);
}

.nav-pills .nav-link.active:hover {
    color: white !important;
}

/* 底部样式 */
footer {
    background-color: var(--dark-bg);
}

.social-links a {
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color) !important;
    transform: translateY(-3px);
}

/* 响应式调整 */
@media (max-width: 991.98px) {
    .hero-section {
        padding: 80px 0;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 767.98px) {
    .hero-section {
        padding: 60px 0;
        text-align: center;
    }
    
    .hero-section img {
        margin-top: 2rem;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
}

/* 动画效果 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}