.index-sidebar-panel {
    position: fixed;
    top: 60px;
    left: 0;
    bottom: 0;
    width: 260px;
    background-color: #fff;
    box-shadow: 2px 0 8px rgba(0,0,0,0.08);
    z-index: 998;
    overflow-y: auto;
    transition: width 0.3s ease;
    padding: 20px 0;
    border-right: 1px solid #e2e8f0;
}

.index-sidebar-panel.index-sidebar-collapsed {
    width: 80px;
}

.index-sidebar-collapse-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: #4a5568;
    font-size: 16px;
    cursor: pointer;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
}

.index-sidebar-collapse-btn:hover {
    background-color: #ebf8ff;
    color: #2b6cb0;
}

.index-sidebar-panel.index-sidebar-collapsed .index-sidebar-collapse-btn {
    right: 50%;
    transform: translateX(50%);
}

.index-sidebar-title {
    font-size: 16px;
    font-weight: 600;
    color: #2b6cb0;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 20px;
}

.index-sidebar-panel.index-sidebar-collapsed .index-sidebar-title-text {
    display: none;
}

.index-sidebar-panel.index-sidebar-collapsed .index-sidebar-title {
    justify-content: center;
    padding: 0;
    border-bottom: none;
}

.index-sidebar-cards {
    padding: 0 20px;
    margin-bottom: 20px;
    display: block;
}

.index-sidebar-panel.index-sidebar-collapsed .index-sidebar-cards {
    display: none;
}

.index-sidebar-card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    border: 2px solid transparent;
    z-index: 1;
    margin-bottom: 15px;
}

.index-sidebar-card::before {
    content: "";
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 8px;
    border: 2px solid transparent;
    background: linear-gradient(
        45deg, 
        transparent 0%, 
        rgba(43, 108, 176, 0.2) 25%, 
        rgba(43, 108, 176, 0.9) 50%, 
        rgba(43, 108, 176, 0.2) 75%, 
        transparent 100%
    ) border-box;
    -webkit-mask: 
        linear-gradient(#fff 0 0) padding-box, 
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    background-size: 200% 200%;
    animation: borderRotate 3s linear infinite;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

@keyframes borderRotate {
    0% {
        background-position: 200% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.index-sidebar-card:hover::before {
    opacity: 1;
}

.index-sidebar-card:hover {
    box-shadow: 0 8px 24px rgba(43, 108, 176, 0.15);
    transform: translateY(-5px);
}

.index-sidebar-card h4 {
    font-size: 14px;
    color: #2b6cb0;
    margin-bottom: 8px;
}

.index-sidebar-card h4 a {
    color: #2b6cb0;
    text-decoration: none;
}

.index-sidebar-card h4 a:hover {
    text-decoration: underline;
}

.index-sidebar-card p {
    font-size: 12px;
    color: #4a5568;
    line-height: 1.4;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.index-sidebar-card .index-sidebar-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 10px;
    align-items: center;
}

.index-sidebar-card .tag {
    font-size: 12px;
    padding: 4px 10px;
    background: #ebf8ff;
    color: #2b6cb0;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.2s ease;
    overflow: hidden;
}

.index-sidebar-card .tag:hover {
    background: #2b6cb0;
    color: #fff;
    text-decoration: none;
}

.index-sidebar-card .tags {
    font-size: 12px;
    padding: 4px 10px;
    background: #ebf8ff;
    color: #2b6cb0;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.2s ease;
    overflow: hidden;
}

.index-sidebar-card .tags:hover {
    background: #2b6cb0;
    color: #fff;
    text-decoration: none;
}

.index-sidebar-card .badge {
    font-size: 11px;
    padding: 3px 8px 3px 18px;
    border-radius: 4px;
    font-weight: 600;
    backdrop-filter: blur(2px);
    display: inline-flex;
    align-items: center;
    position: relative;
}

.index-sidebar-card .badge-recommend {
    background: rgba(64, 158, 255, 0.8);
    color: #fff;
}

.index-sidebar-card .badge-recommend::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 50%;
    transform: translateY(-50%) rotate(35deg);
    width: 12px;
    height: 12px;
    background: #FFEE00;
    box-shadow: 0 0 6px 1px #FFF500;
    clip-path: polygon(
        50% 0%,
        61% 35%,
        98% 35%,
        68% 57%,
        79% 91%,
        50% 70%,
        21% 91%,
        32% 57%,
        2% 35%,
        39% 35%
    );
}

.index-sidebar-card .index-sidebar-detail-btn {
    display: inline-block;
    padding: 6px 12px;
    background: #2b6cb0;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-size: 12px;
    text-align: center;
    transition: all 0.3s ease;
    margin-top: auto;
}

.index-sidebar-card .index-sidebar-detail-btn:hover {
    background: #1a4971;
    transform: translateY(-2px);
}

.index-sidebar-panel .index-sidebar-tags {
    display: none;
    padding: 10px 5px;
    justify-content: center;
    flex-wrap: wrap;
    gap: 5px;
}

.index-sidebar-panel.index-sidebar-collapsed .index-sidebar-tags {
    display: flex;
}

.index-sidebar-tags .index-sidebar-tag {
    width: 60px;
    height: 60px;
    border-radius: 6px;
    font-size: 10px;
    padding: 0;
    margin: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.2;
    background: #ebf8ff;
    color: #2b6cb0;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    word-break: break-all;
    word-wrap: break-word;
}

.index-sidebar-tag {
    font-size: 13px;
    padding: 8px 15px;
    background: #ebf8ff;
    color: #2b6cb0;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid #e2e8f0;
    text-decoration: none;
}

.index-sidebar-tag:hover {
    background-color: #2b6cb0;
    color: white;
    border-color: #2b6cb0;
}

.content-blog.home-page {
    max-width: 2140px;
    margin: 0 auto;
    padding: 0;
    padding-top: 30px;
}

.content-blog.home-page .main-content {
    margin-left: 260px;
    transition: margin-left 0.3s ease;
    width: calc(100% - 260px);
}

.content-blog.home-page.index-sidebar-collapsed .main-content {
    margin-left: 80px;
    width: calc(100% - 80px);
}

@media (max-width: 768px) {
    .index-sidebar-panel {
        display: none !important;
    }
    
    .content-blog.home-page {
        padding-top: 30px;
    }
    
    .content-blog.home-page .main-content {
        margin-left: 0 !important;
        width: 100% !important;
    }
}

/* ========== 夜晚模式 - 侧边栏样式 ========== */
:root.night-mode .index-sidebar-panel {
    background-color: var(--bg-card);
    border-right-color: var(--border-color);
}

:root.night-mode .index-sidebar-title {
    color: var(--text-main);
    border-bottom-color: var(--border-color);
}

:root.night-mode .index-sidebar-card {
    background-color: var(--bg-card);
}

:root.night-mode .index-sidebar-card h4 {
    color: var(--text-main);
}

:root.night-mode .index-sidebar-card h4 a {
    color: var(--text-main);
}

:root.night-mode .index-sidebar-card p {
    color: var(--text-secondary);
}

:root.night-mode .index-sidebar-card .tag {
    background-color: var(--bg-interactive);
    color: var(--text-secondary);
}

:root.night-mode .index-sidebar-card .tag:hover {
    background-color: var(--primary-color);
    color: #fff;
}

:root.night-mode .index-sidebar-card .tags {
    background-color: var(--bg-interactive);
    color: var(--text-secondary);
}

:root.night-mode .index-sidebar-card .tags:hover {
    background-color: var(--primary-color);
    color: #fff;
}

:root.night-mode .index-sidebar-card .badge-recommend {
    background-color: var(--primary-color);
    color: #fff;
}

:root.night-mode .index-sidebar-detail-btn {
    background-color: var(--primary-color);
    color: #fff;
}

:root.night-mode .index-sidebar-detail-btn:hover {
    background-color: var(--primary-hover);
}

:root.night-mode .index-sidebar-tag {
    background-color: var(--bg-interactive);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

:root.night-mode .index-sidebar-tag:hover {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

:root.night-mode .index-sidebar-collapse-btn {
    color: var(--text-secondary);
}

:root.night-mode .index-sidebar-collapse-btn:hover {
    background-color: var(--bg-interactive);
    color: var(--primary-color);
}

/* ========== 护眼模式 - 侧边栏样式 ========== */
:root.eye-care-mode .index-sidebar-panel {
    background-color: var(--bg-card);
    border-right-color: var(--border-color);
}

:root.eye-care-mode .index-sidebar-title {
    color: var(--text-main);
    border-bottom-color: var(--border-color);
}

:root.eye-care-mode .index-sidebar-card {
    background-color: var(--bg-card);
}

:root.eye-care-mode .index-sidebar-card h4 {
    color: var(--text-main);
}

:root.eye-care-mode .index-sidebar-card h4 a {
    color: var(--text-main);
}

:root.eye-care-mode .index-sidebar-card p {
    color: var(--text-secondary);
}

:root.eye-care-mode .index-sidebar-card .tag {
    background-color: var(--bg-interactive);
    color: var(--text-secondary);
}

:root.eye-care-mode .index-sidebar-card .tag:hover {
    background-color: var(--primary-color);
    color: #fff;
}

:root.eye-care-mode .index-sidebar-card .tags {
    background-color: var(--bg-interactive);
    color: var(--text-secondary);
}

:root.eye-care-mode .index-sidebar-card .tags:hover {
    background-color: var(--primary-color);
    color: #fff;
}

:root.eye-care-mode .index-sidebar-card .badge-recommend {
    background-color: var(--primary-color);
    color: #fff;
}

:root.eye-care-mode .index-sidebar-detail-btn {
    background-color: var(--primary-color);
    color: #fff;
}

:root.eye-care-mode .index-sidebar-detail-btn:hover {
    background-color: var(--primary-hover);
}

:root.eye-care-mode .index-sidebar-tag {
    background-color: var(--bg-interactive);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

:root.eye-care-mode .index-sidebar-tag:hover {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

:root.eye-care-mode .index-sidebar-collapse-btn {
    color: var(--text-secondary);
}

:root.eye-care-mode .index-sidebar-collapse-btn:hover {
    background-color: var(--bg-interactive);
    color: var(--primary-color);
}