* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    -webkit-box-sizing: border-box; /* Safari */
    -webkit-tap-highlight-color: transparent; /* 移除点击高亮 */
}

:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --bg-color: #F5F5F5;
    --card-color: #FFFFFF;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --border-color: #EEEEEE;
    --divider-color: #333333;

    /* 边框与阴影 */
    --border-color: #333333;
    --border-radius: 0.5rem;
    --box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 0.5rem 1.5625rem rgba(0, 0, 0, 0.15);

    /* 动态字体大小 - 使用clamp实现响应式 */
    font-size: clamp(0.75rem, 2vw, 1rem);
}

a {
    text-decoration: none;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
    padding-bottom: clamp(2.5rem, 5vw, 3.125rem);
    -webkit-text-size-adjust: 100%; /* 防止Safari自动调整 */
}

.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: clamp(1rem, 3vw, 1.25rem) clamp(0.75rem, 2vw, 0.9375rem) clamp(1.5rem, 4vw, 1.875rem); 
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: clamp(0.75rem, 2vw, 0.9375rem); 
    margin-bottom: clamp(1rem, 3vw, 1.25rem); 
    margin-top: clamp(0.5rem, 1.5vw, 0.625rem); 
}

.avatar {
    width: clamp(4.5rem, 8vw, 5rem); 
    height: clamp(4.5rem, 8vw, 5rem); 
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1.5rem, 4vw, 1.75rem); 
    font-weight: 500;
    border: 0.125rem solid rgba(255, 255, 255, 0.3); /* 2px -> 0.125rem */
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 确保图片裁剪正确 */
}

.user-details {
    flex: 1;
}

.username {
    clamp(1.5rem, 2.2vw, 1.8rem);
    font-weight: 500;
    margin-bottom: clamp(0.25rem, 0.75vw, 0.3125rem);
    font-size: clamp(1.5rem, 2.2vw, 1.8rem);    
}

.user-id {
    font-size: clamp(0.8rem, 2.2vw, 0.875rem); 
    opacity: 0.9;
    font-size: clamp(1.5rem, 2.2vw, 1.8rem);   
}

.balance-section {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 0.75rem; /* 12px -> 0.75rem */
    padding: clamp(0.75rem, 2vw, 0.9375rem); 
    margin-top: clamp(0.5rem, 1.5vw, 0.625rem); 
}

.balance-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: clamp(0.75rem, 2vw, 0.9375rem); 
}

.balance-title {
    font-size: clamp(1.5rem, 2.2vw, 1.8rem);   
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 1.5vw, 0.625rem); 
}

.balance-amount {
    font-size: clamp(1.5rem, 2.2vw, 1.8rem);   
    font-weight: 600;
}

.balance-actions {
    display: flex;
    justify-content: space-around;
}

.balance-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.4rem, 1.2vw, 0.5rem); 
}

.action-icon {
    width: clamp(2rem, 5vw, 2.5rem); 
    height: clamp(2rem, 5vw, 2.5rem); 
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: clamp(0.9rem, 2.5vw, 1.125rem); 
}

.action-text {
    font-size: clamp(0.7rem, 2vw, 0.8125rem); 
    color: rgba(255, 255, 255, 0.9);
}

.menu-section {
    background: var(--card-color);
    margin: clamp(0.75rem, 2vw, 0.9375rem); 
    border-radius: 0.75rem; /* 12px -> 0.75rem */
    overflow: hidden;
    box-shadow: 0 0.125rem 0.75rem rgba(0, 0, 0, 0.05); /* 2px 12px -> 0.125rem 0.75rem */
}

.menu-header {
    margin-top : 1rem;
    background: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: clamp(0.1rem, 0.5vw, 0.125rem) clamp(0.5rem, 2vw, 0.625rem); 
    border-bottom: 1px solid var(--divider-color);
    cursor: pointer;
}

.menu-title {
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 1.5vw, 0.625rem); 
    font-weight: 600;
    font-size: clamp(1.5rem, 2.2vw, 1.8rem);
}

.menu-toggle {
    color: var(--text-light);
    font-size: clamp(1rem, 3vw, 1.6rem); 
    transition: transform 0.3s ease;
}

.menu-toggle.collapsed {
    transform: rotate(-90deg);
}

.menu-content {
    max-height: 31.25rem; /* 500px -> 31.25rem */
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.menu-content.collapsed {
    max-height: 0;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: clamp(0.8rem, 2vw, 1rem) clamp(0.75rem, 2vw, 0.9375rem); 
    border-bottom: 1px solid var(--divider-color);
    position: relative;
}

.menu-item:last-child {
    border-bottom: none;
}

.menu-icon {
    width: clamp(1.25rem, 3vw, 1.5rem); 
    height: clamp(1.25rem, 3vw, 1.5rem); 
    margin-right: clamp(0.75rem, 2vw, 0.9375rem); 
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1rem, 3vw, 1.125rem); 
    color: var(--primary-color);
}

.menu-text {
    flex: 1;
    font-size: clamp(0.9rem, 2.5vw, 1rem); 
    color : var(--text-primary);
}
.menu-title-text {
    color : var(--card-color);
}

.menu-badge {
    background: #FA5151;
    color: white;
    font-size: clamp(0.7rem, 2vw, 0.75rem); 
    padding: clamp(0.1rem, 0.3vw, 0.125rem) clamp(0.4rem, 1.2vw, 0.5rem); 
    border-radius: 0.625rem; /* 10px -> 0.625rem */
    margin-right: clamp(0.4rem, 1.2vw, 0.5rem); 
}

.menu-arrow {
    color: var(--text-light);
    font-size: clamp(1.5rem, 2.2vw, 1.8rem);
}

.service-grid {
    display: -ms-grid; /* IE10+ */
    display: -webkit-grid; /* Safari 10.1+ */
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(1rem, 3vw, 1.25rem); 
    padding: clamp(1.25rem, 4vw, 1.5625rem) clamp(0.75rem, 2vw, 0.9375rem); 
    background: var(--card-color);
    margin: clamp(0.75rem, 2vw, 0.9375rem); 
    border-radius: 0.75rem; /* 12px -> 0.75rem */
    box-shadow: 0 0.125rem 0.75rem rgba(0, 0, 0, 0.05); /* 2px 12px -> 0.125rem 0.75rem */

}

.service-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.6rem, 1.5vw, 0.75rem); 
}

.service-icon {
    width: clamp(5rem, 7vw, 6rem); 
    height: clamp(5rem, 7vw, 6rem); 
    border-radius: 0.75rem; /* 12px -> 0.75rem */
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: clamp(3.3rem, 3.5vw, 4rem); 
}

.service-text {
    font-size: clamp(1.3rem, 2.2vw, 1.6rem); 
    color: var(--text-secondary);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .menu-text {
        font-size: clamp(1.3rem, 2.2vw, 1.6rem); /* 调整小屏幕字体 */
    }
}

@media (max-width: 480px) {
    .balance-actions {
        flex-direction: column;
        gap: clamp(0.5rem, 1.5vw, 0.625rem); 
    }
    
    .balance-action {
        flex-direction: row;
        justify-content: flex-start;
        gap: clamp(0.5rem, 1.5vw, 0.625rem); 
    }
    
    .action-text {
        font-size: clamp(0.8rem, 2.2vw, 0.9rem); /* 调整小屏幕字体 */
    }
}