/* 成语详情页 优雅大气样式 */
.main-container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}
/* 顶部返回栏 */
.back-bar {
    margin-bottom: 20px;
}
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #f7f8fa;
    border: 1px solid #eaeaea;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    color: #333;
    text-decoration: none;
    transition: 0.2s;
}
.back-btn:hover {
    background: #efefef;
}
.back-btn::before {
    content: "←";
    font-size: 16px;
}
/* 主内容卡片 */
.idiom-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    padding: 50px 60px;
    margin-bottom: 25px;
}
.idiom-title {
    text-align: center;
    font-size: 42px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #222;
}
.idiom-pinyin {
    text-align: center;
    font-size: 20px;
    color: #4299e1;
    margin-bottom: 45px;
    letter-spacing: 1px;
}
.idiom-section {
    margin-bottom: 40px;
}

.idiom-section {
    line-height: 1.8; /* 行间距，1.5-2.0 是舒适阅读区间 */
}
.idiom-section p,
.idiom-section br + br {
    margin-bottom: 22px; /* 段落间距，可根据需求调整 */
}

.idiom-section:last-child {
    margin-bottom: 0;
}
.idiom-section h3 {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 15px;
    padding-left: 14px;
    border-left: 4px solid #4299e1;
    color: #2d3748;
}
.idiom-section p {
    font-size: 16px;
    line-height: 1.9;
    color: #444;
    text-indent: 2em;
    margin-bottom: 12px;
}

/* ========== 相关成语标签 - 蓝色系（原样式） ========== */
.relate-list-box {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 10px;
}
.relate-tag {
    background: #f0f7ff;
    color: #4299e1;
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 14px;
    text-decoration: none;
    transition: 0.2s;
}
.relate-tag:hover {
    background: #4299e1;
    color: #fff;
}

/* ========== 更多推荐标签 - 绿色系（新样式，区分度高） ========== */
.related-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    overflow: hidden;
}
.related-card-header {
    padding: 30px 40px 20px;
}
.related-header-inner {
    position: relative;
    padding-bottom: 20px;
}
.related-card-header h3 {
    font-size: 28px;
    font-weight: 600;
    color: #222;
    margin: 0;
    /* 标题也加个绿色左边框，强化区分 */
    padding-left: 14px;
    border-left: 4px solid #38b2ac;
}
.related-header-inner::after {
    content: "";
    display: block;
    width: 100%;
    height: 1px;
    background: #eaeaea;
    position: absolute;
    left: 0;
    bottom: 0;
}
.related-card-body {
    padding: 0px 40px 30px 40px;
}
.related-box {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.related-item {
    background: #e8f4f4;
    color: #38b2ac;
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 14px;
    text-decoration: none;
    transition: 0.2s;
}
.related-item:hover {
    background: #38b2ac;
    color: #fff;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .idiom-card {
        padding: 30px 25px;
    }
    .related-card-header {
        padding: 20px 25px 15px;
    }
    .related-header-inner {
        padding-bottom: 15px;
    }
    .related-card-body {
        padding: 20px 25px;
    }
    .idiom-title {
        font-size: 34px;
    }
    .related-card-header h3 {
        font-size: 24px;
    }
}