body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    color: #333;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 960px;
    margin: auto;
    overflow: hidden;
    padding: 0 20px;
}

header {
    /* background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); */
    color: #000;
    padding: 2rem 0;
    text-align: center;
    /* border-bottom: #0779e4 3px solid; */
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

header h1 {
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.wechat-promo {
    padding: 2rem 0;
    background: rgba(255, 255, 255, 0.95);
    text-align: center;
    backdrop-filter: blur(10px);
    margin: 2rem 0;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.wechat-promo h2 {
    margin-bottom: 1rem;
    color: #4facfe;
}

.wechat-search {
    border: 2px solid #e3f2fd;
    padding: 1.5rem;
    margin: 2rem auto;
    max-width: 600px;
    background: #f8f9ff;
    border-radius: 10px;
}

.wechat-account {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2rem;
    /* padding: 1.5rem;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); */
    border: none;
    /* max-width: 600px; */
    width: 100%;
    margin: 2rem auto;
    border-radius: 15px;
    color: white;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.wechat-account img {
    /* border-radius: 50%; */
    /* margin-right: 1.5rem; */
    width: 100%;
    /* border: 3px solid rgba(255,255,255,0.3); */
}

.wechat-account .account-info {
    text-align: left;
}

.wechat-account .account-info h4 {
    margin: 0 0 0.5rem 0;
    color: white;
}

.wechat-account .account-info p {
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.9);
}

.wechat-account .account-info span {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.7);
}

.projects {
    padding: 2rem 0;
    text-align: center;
}

.projects h2 {
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.projects .subtitle {
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
}

.project-grid {
    /* display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem; */
    width: 100%;
}
.project-grid img{
    width: 100%;
}
.project-card {
    background: rgba(255, 255, 255, 0.95);
    border: none;
    padding: 1.5rem;
    text-align: center;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    background: rgba(255, 255, 255, 1);
}

.project-card h4 {
    color: #4facfe;
    margin-bottom: 0.5rem;
}

.project-card p {
    color: #666;
    font-size: 0.9rem;
}

footer {
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    color: #000;
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
    border-radius: 15px 15px 0 0;
}

footer a {
    color: #00f2fe;
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
}

footer a:hover {
    text-decoration: underline;
}