* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
}

:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --text-color: #333;
    --border-radius: clamp(0.5rem, 1vw, 0.8rem);
    --box-shadow: 0 clamp(0.25rem, 0.5vw, 0.375rem) clamp(0.375rem, 0.75vw, 0.5rem) rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    
    /* 动态字体大小 */
    font-size: clamp(0.875rem, 2vw, 1rem);
}

body {
    background-color: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.5;
}

.none{
    display:none;
}
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: clamp(0.75rem, 2vw, 0.9375rem);
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 10;
}

.back-btn {
    color: white;
    font-size: clamp(1.5rem, 3vw, 1.75rem);
    background: none;
    border: 0.125rem solid #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: clamp(0.25rem, 0.75vw, 0.3125rem);
    padding: clamp(0.3rem, 0.75vw, 0.3125rem);
    border-radius: 10%;
    transition: background-color 0.2s;
}

.back-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.header-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    text-align: center;
    flex: 1;
    padding-right: clamp(2.5rem, 6vw, 3rem);
}

.container {
    width: 100%;
    max-width: 768px;
    margin: 0 auto;
    padding: 0 clamp(0.75rem, 3vw, 1rem);
}

.title_notice{
    text-align :center;
    font-weight: 900;
}
/* 进度条 */
.progress-container {
    background: var(--card-bg);
    border-radius: clamp(0.5rem, 2vw, 0.75rem);
    padding: clamp(0.5rem, 4vw, 0.5rem);
    margin-bottom: clamp(0.5rem, 2vw, 1rem);
    box-shadow: 0 2px clamp(0.25rem, 1vw, 0.5rem) rgba(0,0,0,0.08);
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    gap: clamp(0.25rem, 1vw, 0.5rem);
}

.progress-steps:before {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: clamp(1rem, 4vw, 1.5rem);
    right: clamp(1rem, 4vw, 1.5rem);
    height: 2px;
    background: var(--border-color);
    z-index: 1;
}

.progress-bar {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: clamp(1rem, 4vw, 1.5rem);
    height: 2px;
    background: var(--primary-color);
    z-index: 2;
    transition: width 0.3s ease;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 3;
    flex: 1;
}

.step-indicator {
    width: clamp(1.75rem, 7vw, 2rem);
    height: clamp(1.75rem, 7vw, 2rem);
    border-radius: 50%;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(0.75rem, 3vw, 0.875rem);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: clamp(0.25rem, 1vw, 0.375rem);
    transition: all 0.3s ease;
}

.progress-step.active .step-indicator {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.progress-step.completed .step-indicator {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.step-label {
    font-size: clamp(0.625rem, 2.5vw, 0.75rem);
    color: var(--text-secondary);
    text-align: center;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.progress-step.active .step-label {
    color: var(--primary-color);
    font-weight: 500;
}

/* 表单容器 */
.form-container {
    background: var(--card-bg);
    border-radius: clamp(0.5rem, 2vw, 0.75rem);
    box-shadow: 0 2px clamp(0.25rem, 1vw, 0.5rem) rgba(0,0,0,0.08);
    overflow: hidden;
    margin-bottom: clamp(1rem, 4vw, 1.5rem);
}

.form-section {
    padding: clamp(1rem, 4vw, 1.5rem);
    display: none;
}

.form-section.active {
    display: block;
}

.section-title {
    font-size: clamp(1.125rem, 4.5vw, 1.25rem);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: clamp(1rem, 4vw, 1.25rem);
}

.form-group {
    margin-bottom: clamp(0.75rem, 3vw, 1rem);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(0.5rem, 2vw, 0.75rem);
    margin-bottom: clamp(0.75rem, 3vw, 1rem);
}

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

.form-label {
    display: block;
    font-size: clamp(0.75rem, 3vw, 0.875rem);
    font-weight: 500;
    margin-bottom: clamp(0.25rem, 1vw, 0.375rem);
    color: var(--text-primary);
}

.form-label.required:after {
    content: " *";
    color: var(--accent-color);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: clamp(0.625rem, 2.5vw, 0.75rem) clamp(0.75rem, 3vw, 1rem);
    border: 2px solid var(--border-color);
    border-radius: clamp(0.375rem, 1.5vw, 0.5rem);
    font-size: clamp(0.875rem, 3.5vw, 1rem);
    background: var(--card-bg);
    transition: all 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: clamp(6rem, 24vw, 8rem);
}

.headpic img{
    width: clamp(8rem, 10vw, 10rem);
    height: clamp(8rem, 10vw, 10rem);
    border: 2px solid var(--border-color);
}

/* 动态项目 */
.dynamic-item {
    background: #f8f9fa;
    border-radius: clamp(0.375rem, 1.5vw, 0.5rem);
    padding: clamp(0.75rem, 3vw, 1rem);
    margin-bottom: clamp(0.5rem, 2vw, 0.75rem);
    border: 1px solid var(--border-color);
}

.dynamic-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: clamp(0.5rem, 2vw, 0.75rem);
}

.dynamic-item-title {
    font-weight: 600;
    font-size: clamp(0.875rem, 3.5vw, 1rem);
    color: var(--text-primary);
}

.item-actions {
    display: flex;
    gap: clamp(0.25rem, 1vw, 0.375rem);
}

.item-btn {
    background: none;
    border: none;
    width: clamp(1.5rem, 6vw, 2rem);
    height: clamp(1.5rem, 6vw, 2rem);
    border-radius: clamp(0.25rem, 1vw, 0.375rem);
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 按钮 */
.form-actions {
    display: flex;
    gap: clamp(0.5rem, 2vw, 0.75rem);
    margin-top: clamp(1rem, 4vw, 1.5rem);
    padding-top: clamp(1rem, 4vw, 1.5rem);
    border-top: 1px solid var(--border-color);
}

.btn {
    flex: 1;
    padding: clamp(0.75rem, 3vw, 1rem) clamp(1rem, 4vw, 1.5rem);
    border: none;
    border-radius: clamp(0.375rem, 1.5vw, 0.5rem);
    font-size: clamp(0.875rem, 3.5vw, 1rem);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-prev {
    background: var(--light-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-save {
    background: var(--card-bg);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-del {
    background: var(--card-bg);
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
}

.btn-next {
    background: var(--primary-color);
    color: white;
}

.btn-add {
    background: var(--card-bg);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: clamp(0.625rem, 2.5vw, 0.75rem) clamp(1rem, 4vw, 1.5rem);
    border-radius: clamp(0.375rem, 1.5vw, 0.5rem);
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    margin-top: clamp(0.5rem, 2vw, 0.75rem);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(0.25rem, 1vw, 0.375rem);
}

.btn-submit {
    background: var(--success-color);
    color: white;
}

/* 预览样式 */
.preview-content {
    background: #f8f9fa;
    border-radius: clamp(0.375rem, 1.5vw, 0.5rem);
    padding: clamp(1rem, 4vw, 1.5rem);
}

.preview-section {
    margin-bottom: clamp(1rem, 4vw, 1.5rem);
}

.preview-section-title {
    font-size: clamp(1rem, 4vw, 1.125rem);
    font-weight: 600;
    margin-bottom: clamp(0.5rem, 2vw, 0.75rem);
    color: var(--text-primary);
    padding-bottom: clamp(0.375rem, 1.5vw, 0.5rem);
    border-bottom: 1px solid var(--border-color);
}

.preview-item {
    margin-bottom: clamp(0.5rem, 2vw, 0.75rem);
}

.preview-item-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: clamp(0.25rem, 1vw, 0.375rem);
    font-size: clamp(0.875rem, 3.5vw, 1rem);
}

.preview-item-details {
    font-size: clamp(0.75rem, 3vw, 0.875rem);
    color: var(--text-secondary);
    margin-bottom: clamp(0.25rem, 1vw, 0.375rem);
}

.preview-item-description {
    font-size: clamp(0.75rem, 3vw, 0.875rem);
    color: var(--text-primary);
    line-height: 1.6;
}

@keyframes fadeInOut {
    0% { opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { opacity: 0; }
}