/* ===== css/default.css (左侧浮动锚点菜单 + 图标网格布局) ===== */

/* ---------- 右侧浮动菜单 ---------- */
.side-anchor-menu {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 15px 10px;
    border-radius: 35px;
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.15);
    border: 1px solid rgba(124, 58, 237, 0.2);
}

.side-anchor-menu .anchor-link {
    display: inline-block;
    padding: 10px 18px;
    background: transparent;
    color: #2d3748;
    text-decoration: none;
    font-weight: 500;
    border-radius: 40px;
    transition: all 0.2s ease;
    text-align: center;
    font-size: 1rem;
    border: 1px solid transparent;
}

.side-anchor-menu .anchor-link:hover {
    background: #7c3aed;
    color: #ffffff;
    border-color: #7c3aed;
    transform: scale(1.05);
    box-shadow: 0 6px 14px rgba(124, 58, 237, 0.3);
}

/* ---------- 锚点区域 ---------- */
.anchor-section {
    padding: 10px 0;
    border-bottom: 1px solid #e9e9f0;
    transition: box-shadow 0.2s ease;
}

.anchor-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.anchor-section h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 60px;
    height: 4px;
    background: #7c3aed;
    border-radius: 2px;
}

/* ---------- 图标网格布局 ---------- */
.icon-grid {/* ---------项目内容行--------- */
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));/* ---------------- */
    gap: 20px;/* ---------- 图标间距 ---------- */
    margin-top: 1px;
	/* ---border:solid #000;    可显示边框    */
}

.icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border-radius: 16px;
    padding: 12px 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    border: 1px solid #f0ecfe;
    transition: all 0.2s ease;
    height: 100px; /* 固定高度不超过100px */
    min-height: 0;
}

.icon-item i {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #7c3aed;
    margin-bottom: 6px;
}

.icon-item span {
    font-size: 0.9rem;
    color: #2d3748;
    text-align: center;
    line-height: 1.3;
    max-width: 100px;
}

.icon-item:hover {
    transform: translateY(-3px);
    border-color: #7c3aed40;
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.1);
}

/* ---------- 锚点闪烁动画 ---------- */
@keyframes flash-border {
    0% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0.5); }
    50% { box-shadow: 0 0 0 10px rgba(124, 58, 237, 0.2); }
    100% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0); }
}

.flash-bg {
    animation: flash-border 0.3s ease 2;
}

/* ---------- 移动端适配 ---------- */
@media screen and (max-width: 992px) {
    .side-anchor-menu {
        right: 15px;
        padding: 12px 8px;
        gap: 10px;
    }
    .side-anchor-menu .anchor-link {
        padding: 8px 14px;
        font-size: 0.9rem;
    }
}

@media screen and (max-width: 768px) {
    .side-anchor-menu {
        left: 0;
        top: auto;
        bottom: 20px;
        transform: none;
        flex-direction: row;
        justify-content: center;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        border-radius: 0;
        border-top: 1px solid #7c3aed30;
        border-bottom: none;
        padding: 10px 5px;
        gap: 5px;
        flex-wrap: wrap;
        box-shadow: 0 -4px 10px rgba(0,0,0,0.05); 

    }
    .side-anchor-menu .anchor-link {
        padding: 6px 12px;
        font-size: 0.85rem;
        white-space: nowrap;
    }
    .anchor-section {
        padding: 30px 0;/*原值为30*/
    }
    .anchor-section h2 {
        font-size: 2rem;
    }
    .icon-grid {
        gap: 12px;
    }
    .icon-item {
        height: 90px; /* 手机端稍压缩 */
        padding: 8px 4px;
    }
    .icon-item i {
        font-size: 1.8rem;
        width: 40px;
        height: 40px;
    }
    .icon-item span {
        font-size: 0.8rem;
    }
}




/* ===== 防止浮动菜单遮挡footer ===== */

/* 在所有屏幕尺寸下，为footer添加底部边距，防止被固定菜单遮挡 */
footer {
    position: relative;
    z-index: 10;
    clear: both;
}

/* 小于992px时（平板），为footer添加底部边距，避免被右侧菜单遮挡*/ 
/*@media screen and (max-width: 992px) {*/
  /*  footer {*/
    /*    margin-bottom: 10px; /* 为右侧菜单留出空间 */
    /*}*/
/*}*/

/* 小于768px时（手机），菜单移动到屏幕底部，此时footer需要更大的底部边距 */
@media screen and (max-width: 768px) {
    footer {
        margin-bottom: 60px; /* 为底部水平菜单留出更大空间 */
    }
    
    /* 确保菜单始终浮在footer上方，但不完全遮挡 */
    .side-anchor-menu {
        background: rgba(255, 255, 255, 0.98); /* 增加不透明度，避免文字重叠看不清楚 */
        box-shadow: 0 -4px 15px rgba(124, 58, 237, 0.2); /* 增加阴影，区分层次 */
    }
}

/* 极小屏幕时，进一步调整 */
@media screen and (max-width: 480px) {
    footer {
        margin-bottom: 140px; /* 更小的屏幕需要更大边距 */
    }
}
/* ===== 防止浮动菜单遮挡footer结束 ===== */



/* ===== 培训区域链接样式（移除下划线） ===== */
.icon-item {
    text-decoration: none !important;  /* 移除链接下划线 */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border-radius: 16px;
    padding: 12px 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    border: 1px solid #f0ecfe;
    transition: all 0.2s ease;
    height: 100px;
    min-height: 0;
    cursor: pointer;
}

.icon-item i {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #7c3aed;
    margin-bottom: 6px;
}

.icon-item span {
    font-size: 0.9rem;
    color: #2d3748;
    text-align: center;
    line-height: 1.3;
    max-width: 100px;
}

.icon-item:hover {
    transform: translateY(-3px);
    border-color: #7c3aed40;
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.1);
}

/* 确保链接状态无下划线 */
a.icon-item,
a.icon-item:link,
a.icon-item:visited,
a.icon-item:hover,
a.icon-item:active {
    text-decoration: none !important;
}