* { margin: 0; padding: 0; box-sizing: border-box; }
body { 
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; 
    background: #f5f0e8; 
    min-height: 100vh; 
    color: #5d4e37;
    line-height: 1.8;
}
.container { max-width: 800px; margin: 0 auto; padding: 15px; }

.page-header { 
    text-align: center; 
    padding: 30px 0 20px; 
    color: #fff; 
    background: linear-gradient(135deg, #8b5a2b, #a67c52);
    margin: -15px -15px 20px -15px;
    border-bottom: 4px solid #c9a961;
}
.page-header h1 { 
    font-size: 26px; 
    color: #fff8e7; 
    margin-bottom: 10px;
    letter-spacing: 3px;
}
.page-header p { 
    font-size: 14px; 
    color: rgba(255,248,231,0.8);
}

.form-card { 
    background: #fff8e7; 
    border-radius: 12px; 
    padding: 30px; 
    margin-bottom: 20px; 
    border: 2px solid #e8d5b5;
    box-shadow: 0 4px 20px rgba(139,90,43,0.08);
}
.form-card h2 { 
    text-align: center; 
    font-size: 20px; 
    color: #8b5a2b; 
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e8d5b5;
}

.person-section {
    margin-bottom: 25px;
    padding: 20px;
    background: linear-gradient(135deg, #fffef5 0%, #fff8e7 100%);
    border-radius: 12px;
    border: 2px solid #d4b896;
}
.person-section h3 {
    color: #8b5a2b;
    font-size: 18px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    font-weight: 700;
}
.person-section h3 .icon {
    font-size: 24px;
    margin-right: 8px;
}

.form-row { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); 
    gap: 15px; 
    margin-bottom: 15px;
}
.form-group { margin-bottom: 15px; }
.form-group label { 
    display: block; 
    margin-bottom: 8px; 
    font-weight: 600; 
    color: #8b5a2b;
    font-size: 14px;
}
.form-group input, .form-group select { 
    width: 100%; 
    padding: 12px; 
    border: 2px solid #d4b896; 
    border-radius: 8px; 
    font-size: 15px; 
    transition: border-color 0.3s;
    background: #fffef5;
    color: #5d4e37;
    font-family: inherit;
}
.form-group input:focus, .form-group select:focus { 
    outline: none; 
    border-color: #8b5a2b; 
}

.submit-btn { 
    width: 100%; 
    padding: 15px; 
    background: linear-gradient(135deg, #8b5a2b 0%, #a67c52 100%); 
    color: #fff8e7; 
    border: none; 
    border-radius: 25px; 
    font-size: 18px; 
    font-weight: 700; 
    cursor: pointer; 
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(139,90,43,0.3);
    margin-top: 10px;
    border: 2px solid #c9a961;
}
.submit-btn:hover { 
    transform: translateY(-2px); 
    box-shadow: 0 6px 20px rgba(139,90,43,0.4);
}

.error-box {
    background: #fff3cd;
    color: #856404;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #c9a961;
}

.tips {
    background: linear-gradient(135deg, #faf5eb 0%, #fff8e7 100%);
    padding: 15px;
    border-radius: 10px;
    margin-top: 20px;
    font-size: 13px;
    color: #5d4e37;
    line-height: 1.8;
    border: 1px solid #e8d5b5;
}
.tips strong {
    color: #8b5a2b;
}

@media (max-width: 768px) {
    .container { padding: 10px; }
    .form-card { padding: 20px; }
    .form-row { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .page-header h1 { font-size: 22px; }
    .page-header { margin: -10px -10px 15px -10px; }
}

@media (max-width: 480px) {
    .form-row { grid-template-columns: 1fr; }
    .person-section { padding: 15px; }
}