body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Microsoft YaHei', sans-serif;
}
.card-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    padding: 40px;
    width: 100%;
    max-width: 500px;
    backdrop-filter: blur(10px);
}
.header {
    text-align: center;
    margin-bottom: 30px;
}
.header h1 {
    color: #333;
    font-size: 28px;
    margin-bottom: 10px;
    font-weight: 300;
}
.header p {
    color: #666;
    font-size: 14px;
}
.progress-container {
    margin-bottom: 30px;
}
.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    position: relative;
}
.progress-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    height: 2px;
    background: #e6e6e6;
    z-index: 1;
}
.progress-line {
    position: absolute;
    top: 20px;
    left: 20px;
    height: 2px;
    background: #5FB878;
    transition: width 0.5s ease;
    z-index: 2;
    width: 0%;
}
.step {
    position: relative;
    z-index: 3;
    text-align: center;
    flex: 1;
}
.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #e6e6e6;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-weight: bold;
    transition: all 0.3s ease;
}
.step.active .step-circle {
    background: #5FB878;
    color: white;
}
.step.completed .step-circle {
    background: #5FB878;
    color: white;
}
.step-text {
    font-size: 12px;
    color: #666;
}
.step.active .step-text {
    color: #5FB878;
    font-weight: bold;
}
.form-container {
    margin-top: 20px;
}
.form-item {
    margin-bottom: 20px;
}
.form-item label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}
.layui-input {
    border-radius: 8px;
    border: 1px solid #e6e6e6;
    padding: 12px 15px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}
.layui-input:focus {
    border-color: #5FB878;
    box-shadow: 0 0 0 2px rgba(95, 184, 120, 0.2);
}
.submit-btn {
    width: 100%;
    height: 45px;
    background: linear-gradient(45deg, #5FB878, #42B983);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
}
.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(95, 184, 120, 0.4);
}
.submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.hidden {
    display: none;
}
.loading {
    text-align: center;
    padding: 20px;
}
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #5FB878;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 修复 select 下拉在某些浏览器中文字垂直被裁剪问题 */
select.layui-input,
select.layui-select {
    /* 统一高度，避免被 padding 挤压导致文字显示不全 */
    height: 40px;
    line-height: 40px; /* 对多数浏览器有效，确保文字垂直居中 */
    padding: 0 15px;   /* 与 .layui-input 保持一致的水平内边距 */
    box-sizing: border-box; /* 使高度计算更可控，不受 padding 影响 */
    vertical-align: middle;
}

/* 兼容性优化：在部分内核下 select 需要明确字体大小与行高匹配 */
select.layui-input option,
select.layui-select option {
    line-height: 40px;
}