/*
 * Seel Theme - V7 玻璃态主题专用样式
 * Glassmorphism Theme Styles
 */

/* ========== V7 主题基础样式 ========== */
body.theme-v7 {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========== V7 导航栏 ========== */
body.theme-v7 header {
    background: rgba(0, 0, 0, 0.6) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
    transition: all 0.3s ease;
    background-image: none !important;
    padding: 12px 24px !important;
}

body.theme-v7 .logo {
    color: #ffffff !important;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5) !important;
    font-weight: 700;
    letter-spacing: 0.5px;
}

body.theme-v7 .logo a {
    color: #ffffff !important;
    text-decoration: none !important;
}

body.theme-v7 .nav-links a {
    color: rgba(255, 255, 255, 0.95) !important;
    transition: all 0.3s ease;
    position: relative;
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4) !important;
}

body.theme-v7 .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #f093fb);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(102, 126, 234, 0.6);
}

body.theme-v7 .nav-links a:hover::after,
body.theme-v7 .nav-links a.active::after {
    width: 100%;
}

body.theme-v7 .nav-links a:hover,
body.theme-v7 .nav-links a.active {
    color: #ffffff !important;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.8) !important;
}

body.theme-v7 .search-toggle,
body.theme-v7 .mobile-menu-toggle {
    background: rgba(255, 255, 255, 0.15) !important;
    border: 1px solid rgba(255, 255, 255, 0.4) !important;
    color: #ffffff !important;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

body.theme-v7 .search-toggle:hover,
body.theme-v7 .mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.3) !important;
    color: #ffffff !important;
    border-color: rgba(255, 255, 255, 0.6) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

body.theme-v7 .search-toggle:active,
body.theme-v7 .mobile-menu-toggle:active {
    background: linear-gradient(135deg, #667eea, #f093fb) !important;
    color: #ffffff !important;
    border-color: transparent !important;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.5);
}

/* 移动端菜单优化 */
body.theme-v7 .mobile-menu {
    background: rgba(0, 0, 0, 0.92) !important;
    backdrop-filter: blur(30px) !important;
    -webkit-backdrop-filter: blur(30px) !important;
    border-right: 1px solid rgba(255, 255, 255, 0.2) !important;
}

body.theme-v7 .mobile-menu-overlay {
    background: rgba(0, 0, 0, 0.95) !important;
    backdrop-filter: blur(30px) !important;
    -webkit-backdrop-filter: blur(30px) !important;
}

body.theme-v7 .mobile-menu .nav-links a {
    color: #ffffff !important;
    padding: 14px 20px !important;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15) !important;
    font-weight: 500 !important;
    font-size: 15px !important;
}

body.theme-v7 .mobile-menu .nav-links a:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.6) !important;
}

body.theme-v7 .mobile-menu-header h3 {
    color: #ffffff !important;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8) !important;
    font-weight: 700 !important;
}

body.theme-v7 .mobile-menu-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important;
}

body.theme-v7 .mobile-menu-close {
    background: rgba(255, 255, 255, 0.15) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    color: #ffffff !important;
}

body.theme-v7 .mobile-menu-close:hover {
    background: rgba(255, 255, 255, 0.25) !important;
}

body.theme-v7 .mobile-menu-close:active {
    background: linear-gradient(135deg, #667eea, #f093fb) !important;
    border-color: transparent !important;
}

/* ========== V7 移动端菜单完全覆盖 ========== */
@media (max-width: 768px) {
    body.theme-v7 .mobile-menu-overlay {
        background: rgba(0, 0, 0, 0.95) !important;
        backdrop-filter: blur(30px) !important;
        -webkit-backdrop-filter: blur(30px) !important;
    }

    body.theme-v7 .mobile-menu-container {
        padding: 20px 16px !important;
    }

    body.theme-v7 .mobile-menu-title {
        color: #ffffff !important;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8) !important;
    }

    body.theme-v7 .mobile-section-title {
        color: #ffffff !important;
        text-shadow: 0 2px 6px rgba(0, 0, 0, 0.7) !important;
    }

    body.theme-v7 .mobile-nav-list a {
        background: rgba(255, 255, 255, 0.08) !important;
        color: #ffffff !important;
        text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6) !important;
        border: 1px solid rgba(255, 255, 255, 0.1) !important;
    }

    body.theme-v7 .mobile-nav-list a:hover {
        background: rgba(255, 255, 255, 0.18) !important;
        text-shadow: 0 0 12px rgba(255, 255, 255, 0.5) !important;
    }

    body.theme-v7 .mobile-nav-list a:active {
        background: rgba(255, 255, 255, 0.25) !important;
    }

    body.theme-v7 .mobile-menu-close {
        background: rgba(255, 255, 255, 0.15) !important;
        border: 1px solid rgba(255, 255, 255, 0.3) !important;
        color: #ffffff !important;
    }

    body.theme-v7 .mobile-menu-header {
        border-bottom: 1px solid rgba(255, 255, 255, 0.15) !important;
    }

    /* ===== 修正返回顶部按钮位置 ===== */

    /* ===== 修正轮播图按钮和点位置 ===== */
    body.theme-v7 .hero-slider {
        position: relative !important;
    }

    body.theme-v7 .slider-prev {
        position: absolute !important;
        left: 12px !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
    }

    body.theme-v7 .slider-next {
        position: absolute !important;
        right: 12px !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
    }

    body.theme-v7 .slider-dots {
        position: absolute !important;
        bottom: 16px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        z-index: 10 !important;
    }
}

/* ========== V7 文章卡片 ========== */
body.theme-v7 .post-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    overflow: hidden;
}

body.theme-v7 .post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.35);
}

body.theme-v7 .post-card .post-title a {
    color: #ffffff;
    text-shadow: var(--text-shadow);
    transition: all 0.3s ease;
}

body.theme-v7 .post-card .post-title a:hover {
    color: #ffffff !important;
    text-shadow: 0 0 12px rgba(255, 255, 255, 1), 0 0 20px rgba(102, 126, 234, 0.6) !important;
}

body.theme-v7 .post-item-title a {
    color: #ffffff;
    text-shadow: var(--text-shadow);
    text-decoration: none;
    transition: all 0.3s;
}

body.theme-v7 .post-item-title a:hover {
    color: #ffffff !important;
    text-shadow: 0 0 12px rgba(255, 255, 255, 1), 0 0 20px rgba(102, 126, 234, 0.6) !important;
}

body.theme-v7 .post-card .post-excerpt {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.7;
}

body.theme-v7 .post-card .post-meta {
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

/* ========== V7 侧边栏 ========== */
body.theme-v7 .sidebar-widget {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

body.theme-v7 .widget-title {
    color: #ffffff;
    text-shadow: var(--text-shadow);
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

body.theme-v7 .widget-title::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 40px;
    height: 2px;
    background: #ffffff;
    border-radius: 2px;
}

/* 搜索框 */
body.theme-v7 .sidebar-widget input[type="text"],
body.theme-v7 .search-form-inline input[type="text"],
body.theme-v7 .search-container input[type="text"] {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: #ffffff;
    font-size: 14px;
    transition: all 0.3s ease;
}

body.theme-v7 .sidebar-widget input[type="text"]:focus,
body.theme-v7 .search-form-inline input[type="text"]:focus,
body.theme-v7 .search-container input[type="text"]:focus {
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1);
    outline: none;
}

body.theme-v7 .sidebar-widget input[type="text"]::placeholder,
body.theme-v7 .search-form-inline input[type="text"]::placeholder,
body.theme-v7 .search-container input[type="text"]::placeholder {
    color: var(--text-muted);
}

/* 统计数据 */
body.theme-v7 .stat-row {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    transition: all 0.3s ease;
}

body.theme-v7 .stat-row:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: var(--shadow-sm);
}

body.theme-v7 .stat-row:hover .stat-value {
    color: #ffffff !important;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

body.theme-v7 .stat-row .stat-label {
    color: var(--text-secondary);
    font-size: 13px;
}

body.theme-v7 .stat-row .stat-value {
    color: #ffffff !important;
    text-shadow: var(--text-shadow);
    font-weight: 600;
    font-size: 16px;
}

body.theme-v7 .stat-info .stat-value {
    color: #ffffff !important;
    text-shadow: var(--text-shadow);
}

/* 标签云 */
body.theme-v7 .tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

body.theme-v7 .tag-cloud a {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    transition: all 0.3s ease;
}

body.theme-v7 .tag-cloud a:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    color: #ffffff;
    transform: translateY(-2px);
}

/* 分类列表 */
body.theme-v7 .category-list a {
    display: block;
    padding: 10px 14px;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: all 0.3s ease;
}

body.theme-v7 .category-list a:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

/* 归档列表 */
body.theme-v7 .archive-list li a {
    display: flex;
    align-items: center;
    padding: 10px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

body.theme-v7 .archive-list li:last-child a {
    border-bottom: none;
}

body.theme-v7 .archive-list a:hover {
    color: #ffffff;
    padding-left: 10px;
}

/* 友情链接 */
body.theme-v7 .link-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 12px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
}

body.theme-v7 .link-item:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    text-shadow: var(--text-shadow);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* ========== V7 文章详情页 ========== */
body.theme-v7 .post-full {
    background: transparent;
    border: none;
    box-shadow: none;
}

body.theme-v7 .post-header {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
}

body.theme-v7 .post-category-tag {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
    border-radius: 20px;
    padding: 6px 16px;
}

body.theme-v7 .post-category-tag a {
    color: #ffffff;
    text-decoration: none;
    text-shadow: var(--text-shadow);
    font-weight: 600;
}

body.theme-v7 .post-main-title {
    color: #ffffff;
    text-shadow: var(--text-shadow);
    font-weight: 700;
    font-size: 32px;
    margin: 16px 0 12px;
}

body.theme-v7 .post-meta-info {
    color: rgba(255, 255, 255, 0.95);
    font-size: 14px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

body.theme-v7 .post-meta-info span {
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}

/* 文章正文 */
body.theme-v7 .post-content-full {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 0 0 16px 16px;
    padding: 32px;
    box-shadow: var(--shadow-lg);
    margin: 0 auto;
}

body.theme-v7 .post-content-full h1,
body.theme-v7 .post-content-full h2,
body.theme-v7 .post-content-full h3,
body.theme-v7 .post-content-full h4 {
    color: #ffffff;
    text-shadow: var(--text-shadow);
    margin-top: 48px;
    margin-bottom: 24px;
}

body.theme-v7 .post-content-full h1 {
    font-size: 28px;
    border-left: 4px solid rgba(255, 255, 255, 0.8);
    padding-left: 16px;
}

body.theme-v7 .post-content-full h1::before {
    content: '';
    position: absolute;
    left: -4px;
    top: 0;
    bottom: 0;
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 2px;
}

body.theme-v7 .post-content-full h2 {
    font-size: 26px;
    border-left: 4px solid rgba(255, 255, 255, 0.8);
    padding-left: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding-bottom: 8px;
}

body.theme-v7 .post-content-full h2::before {
    content: '';
    position: absolute;
    left: -4px;
    top: 0;
    bottom: 0;
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 2px;
}

body.theme-v7 .post-content-full h3 {
    font-size: 24px;
    border-left: 4px solid rgba(255, 255, 255, 0.8);
    padding-left: 16px;
}

body.theme-v7 .post-content-full h3::before {
    content: '';
    position: absolute;
    left: -4px;
    top: 0;
    bottom: 0;
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 2px;
}

body.theme-v7 .post-content-full h4 {
    font-size: 20px;
    border-left: 3px solid rgba(255, 255, 255, 0.6);
    padding-left: 12px;
}

body.theme-v7 .post-content-full p {
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 16px;
}

body.theme-v7 .post-content-full a {
    color: #93c5fd;
    border-bottom: 1px solid rgba(147, 197, 253, 0.4);
    transition: all 0.3s ease;
}

body.theme-v7 .post-content-full a:hover {
    color: #bfdbfe;
    text-shadow: 0 0 8px rgba(147, 197, 253, 0.5);
    border-bottom-color: rgba(191, 219, 254, 0.6);
}

body.theme-v7 .post-content-full blockquote {
    background: var(--bg-secondary);
    border-left: 4px solid rgba(255, 255, 255, 0.6);
    color: var(--text-secondary);
    padding: 16px 20px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
    backdrop-filter: blur(8px);
}

body.theme-v7 .post-content-full code {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border-color);
    color: #fcd34d;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

body.theme-v7 .post-content-full pre {
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    overflow-x: auto;
    backdrop-filter: blur(8px);
}

body.theme-v7 .post-content-full pre code {
    background: none;
    border: none;
    color: inherit;
    padding: 0;
}

body.theme-v7 .post-content-full ul,
body.theme-v7 .post-content-full ol {
    margin: 16px 0;
    padding-left: 24px;
}

body.theme-v7 .post-content-full li {
    color: rgba(255, 255, 255, 0.9);
    margin: 8px 0;
    line-height: 1.7;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* 文章底部 */
body.theme-v7 .post-footer {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    margin: 32px 0;
    box-shadow: var(--shadow-md);
}

body.theme-v7 .post-donate h4,
body.theme-v7 .post-tags-section .tags-label,
body.theme-v7 .post-share-section .share-label {
    color: #ffffff;
    text-shadow: var(--text-shadow);
    font-weight: 600;
    margin-bottom: 16px;
}

body.theme-v7 .post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

body.theme-v7 .post-tags a {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    transition: all 0.3s ease;
}

body.theme-v7 .post-tags a:hover {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.5);
}

body.theme-v7 .share-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

body.theme-v7 .share-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* 版权声明 */
body.theme-v7 .post-copyright {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 20px;
    margin: 24px 0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

body.theme-v7 .post-copyright p {
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 12px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

body.theme-v7 .post-copyright .copyright-meta span {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

/* 上一篇/下一篇 */
body.theme-v7 .post-navigation {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 32px 0;
}

body.theme-v7 .nav-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

body.theme-v7 .nav-card:not(.disabled):hover {
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

body.theme-v7 .nav-card.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

body.theme-v7 .nav-card .nav-label,
body.theme-v7 .nav-card .nav-title {
    color: rgba(255, 255, 255, 0.85);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

body.theme-v7 .nav-card:not(.disabled) .nav-title {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
}

/* ========== V7 文章目录 ========== */
body.theme-v7 .post-toc {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin: 0 0 32px 0;
    box-shadow: var(--shadow-md);
}

body.theme-v7 .post-toc.toc-fixed {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--shadow-lg);
}

body.theme-v7 .post-toc h4 {
    color: #ffffff;
    text-shadow: var(--text-shadow);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

body.theme-v7 .post-toc ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

body.theme-v7 .post-toc li {
    margin-bottom: 8px;
}

body.theme-v7 .post-toc a {
    color: rgba(255, 255, 255, 0.9);
    display: block;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 14px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

body.theme-v7 .post-toc a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.15);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
}

body.theme-v7 .post-toc .toc-h1 {
    font-weight: 600;
    color: #ffffff;
}

body.theme-v7 .post-toc .toc-h2 {
    font-weight: 600;
    padding-left: 16px;
}

body.theme-v7 .post-toc .toc-h3 {
    padding-left: 32px;
    font-size: 13px;
}

/* ========== V7 评论区域 ========== */
body.theme-v7 .comments-section {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-lg);
}

body.theme-v7 .comment-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

body.theme-v7 .comment-form textarea {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: #ffffff;
    padding: 12px;
    font-size: 14px;
    resize: vertical;
    min-height: 120px;
    transition: all 0.3s ease;
}

body.theme-v7 .comment-form textarea:focus {
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1);
    outline: none;
}

body.theme-v7 .comment-form textarea::placeholder {
    color: var(--text-muted);
}

/* ========== V7 页脚 ========== */
body.theme-v7 footer {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--border-color);
    padding: 32px 0;
    margin-top: 48px;
}

body.theme-v7 .footer-content {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

body.theme-v7 .footer-link {
    color: rgba(255, 255, 255, 0.85);
    transition: all 0.3s ease;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

body.theme-v7 .footer-link:hover {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

/* ========== V7 移动端优化 ========== */
@media (max-width: 768px) {
    body.theme-v7 header {
        background: rgba(0, 0, 0, 0.75) !important;
        backdrop-filter: blur(25px) !important;
        -webkit-backdrop-filter: blur(25px) !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.25) !important;
    }

    body.theme-v7 .search-toggle,
    body.theme-v7 .mobile-menu-toggle {
        background: rgba(255, 255, 255, 0.2) !important;
        border: 2px solid rgba(255, 255, 255, 0.4) !important;
        color: #ffffff !important;
    }

    body.theme-v7 .logo {
        color: #ffffff !important;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6) !important;
    }

    body.theme-v7 .post-content-full {
        padding: 20px 16px;
        border-radius: 0 0 12px 12px;
    }

    body.theme-v7 .post-header {
        padding: 20px 16px;
        border-radius: 12px;
    }

    body.theme-v7 .post-main-title {
        font-size: 24px;
    }

    body.theme-v7 .post-footer {
        padding: 20px 16px;
        border-radius: 12px;
    }

    body.theme-v7 .post-toc {
        padding: 16px;
    }

    body.theme-v7 .post-toc.toc-fixed {
        display: none;
    }

    body.theme-v7 .sidebar-widget {
        padding: 16px;
    }

    body.theme-v7 .comments-section {
        padding: 20px 16px;
        border-radius: 12px;
    }

    body.theme-v7 .post-navigation {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    body.theme-v7 .nav-card {
        padding: 16px;
    }
}

/* ========== V7 超小屏幕优化 ========== */
@media (max-width: 480px) {
    body.theme-v7 .post-main-title {
        font-size: 20px;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
    }

    body.theme-v7 .post-content-full {
        padding: 16px 12px;
    }

    body.theme-v7 .post-header {
        padding: 16px 12px;
    }

    body.theme-v7 .post-footer {
        padding: 16px 12px;
    }

    body.theme-v7 .sidebar-widget {
        border-radius: 12px;
    }

    body.theme-v7 .comments-section {
        padding: 16px 12px;
    }

    body.theme-v7 .post-copyright {
        padding: 16px;
        margin: 20px 0;
    }

    body.theme-v7 .post-navigation {
        gap: 10px;
        margin: 20px 0;
    }

    body.theme-v7 .mobile-menu-container {
        padding: 16px 12px !important;
    }

    body.theme-v7 .mobile-nav-list a {
        padding: 12px 16px !important;
        font-size: 14px !important;
    }
}

/* ========== V7 平板优化 ========== */
@media (min-width: 769px) and (max-width: 1024px) {
    body.theme-v7 .post-content-full {
        padding: 24px;
    }

    body.theme-v7 .post-header {
        padding: 20px;
    }

    body.theme-v7 .post-footer {
        padding: 24px;
    }

    body.theme-v7 .sidebar-widget {
        padding: 20px;
    }
}

/* ========== V7 大屏幕优化 ========== */
@media (min-width: 1400px) {
    body.theme-v7 .post-content-full {
        padding: 40px;
    }

    body.theme-v7 .post-header {
        padding: 32px;
    }

    body.theme-v7 .post-footer {
        padding: 40px;
    }
}

/* ========== V7 主题切换按钮 ========== */
body.theme-v7 .theme-switch-btn-fixed {
    background: rgba(255, 255, 255, 0.15) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    color: #ffffff !important;
}

body.theme-v7 .theme-switch-btn-fixed:hover {
    background: rgba(255, 255, 255, 0.35) !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
    color: #ffffff !important;
    transform: scale(1.1) !important;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3) !important;
}

body.theme-v7 .theme-dropdown-fixed {
    background: rgba(0, 0, 0, 0.7) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
}

body.theme-v7 .theme-group-title {
    color: rgba(255, 255, 255, 0.7) !important;
}

body.theme-v7 .theme-option {
    color: rgba(255, 255, 255, 0.95) !important;
}

body.theme-v7 .theme-option:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    color: #ffffff !important;
}

body.theme-v7 .theme-option svg {
    color: rgba(255, 255, 255, 0.95) !important;
}

body.theme-v7 .theme-name {
    color: rgba(255, 255, 255, 0.95) !important;
}