body {
    background-color: #fff;
}
.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* 自定义头部统一风格 */
.custom-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2.75rem;
    padding-top: var(--status-bar-height);
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: 0.9375rem;
    padding-right: 0.9375rem;
    box-sizing: content-box;
    z-index: 100;
    border-bottom: 0.03125rem solid #f5f5f5;
}
.header-placeholder {
    height: calc(2.75rem + var(--status-bar-height));
    flex-shrink: 0;
}
.back-icon {
    width: 1.25rem;
    height: 1.25rem;
}
.header-title {
    font-size: 1rem;
    font-weight: bold;
    color: #333;
}
.header-right {
    width: 1.25rem;
}
.content-scroll {
    flex: 1;
    overflow: hidden;
}
.content-card {
    padding: 0.9375rem 1.25rem;
    line-height: 1.6;
}
.rich-text {
    font-size: 0.875rem;
    color: #333;
}
.safe-area-inset-bottom {
    height: constant(safe-area-inset-bottom);
    height: env(safe-area-inset-bottom);
}