body {
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    background: #f4f7fb;
    margin: 0;
    color: #333;
    line-height: 1.7;
    scroll-behavior: smooth;
}

.header {
    text-align: center;
    background: linear-gradient(120deg, #0078D7, #00B7C3);
    color: white;
    padding: 60px 20px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.15);
}

.header h1 {
    margin: 0;
    font-size: 2.8rem;
    letter-spacing: 1px;
}

.header h2 {
    margin: 10px 0 15px 0;
    font-weight: 400;
    font-size: 1.3rem;
}

.header a {
    color: #fff;
    text-decoration: none;
    transition: 0.3s;
}
.header a:hover {
    text-decoration: underline;
    opacity: 0.9;
}

.container {
    max-width: 900px;
    margin: 50px auto;
    padding: 40px 25px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 6px 15px rgba(0,0,0,0.08);
}

h3 {
    border-left: 5px solid #0078D7;
    padding-left: 12px;
    color: #0078D7;
    margin-bottom: 20px;
}

section {
    margin-bottom: 50px;
}

.job {
    margin-bottom: 25px;
}

.job h4 {
    margin-bottom: 5px;
    font-weight: 600;
}

.time {
    color: #666;
    font-size: 0.9rem;
}

ul {
    list-style: none;
    padding-left: 0;
    margin: 10px 0;
}

ul li {
    margin: 8px 0;
    position: relative;
    padding-left: 20px;
}
ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #0078D7;
}

.skills li {
    background: #eef5fb;
    padding: 10px;
    border-radius: 8px;
    margin: 6px 0;
    transition: 0.3s;
}
.skills li:hover {
    transform: translateX(6px);
    background: #dceffd;
}

.footer {
    text-align: center;
    background: #0078D7;
    color: white;
    padding: 25px 0;
    margin-top: 50px;
    font-size: 0.95rem;
}

.footer a {
    color: white;
    text-decoration: underline;
}

/* 响应式优化 */
@media (max-width: 600px) {
    .header {
        padding: 40px 15px;
    }
    .header h1 {
        font-size: 2rem;
    }
    .container {
        padding: 25px 15px;
        margin: 20px;
    }
}