body {
            margin: 0;
            padding: 0;
            background: url('https://lsqkk.github.io/image/bg.png') no-repeat center center fixed;
            background-size: cover;
            min-height: 100vh;
            }
        /* 文章列表容器 */
        .posts-container {
            max-width: 900px;
            margin: 80px auto 30px;
            padding: 0 20px;
        }
        /* 标签筛选器样式 */
        .tag-filter {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
            padding: 15px;
            background: rgba(255, 255, 255, 0.2) !important;
            backdrop-filter: blur(5px) saturate(100%) !important;
            -webkit-backdrop-filter: blur(10px) saturate(100%) !important;
            border-radius: 15px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .tag-btn {
            padding: 8px 16px;
            border-radius: 20px;
            background: rgba(93, 208, 255, 0.3);
            color: #007bff;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 0.9em;
            font-weight: 500;
        }
        .tag-btn:hover {
            background: rgba(93, 208, 255, 0.5);
            transform: translateY(-2px);
            box-shadow: 0 2px 8px rgba(0, 123, 255, 0.2);
        }
        .tag-btn.active {
            background: #007bff;
            color: white;
            box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
        }
        /* 文章条目样式 */
        .post-item {
            background: rgba(255, 255, 255, 0.3) !important;
            backdrop-filter: blur(10px) saturate(130%) !important;
            -webkit-backdrop-filter: blur(10px) saturate(130%) !important;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .post-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
            background: rgba(255, 255, 255, 0.5) !important;
        }
        .post-title {
            color: #0366d6;
            text-decoration: none;
            font-size: 1.25em;
            font-weight: 600;
            margin-bottom: 8px;
            display: block;
            transition: color 0.2s;
        }
        .post-title:hover {
            color: #0056b3;
            text-decoration: underline;
        }
        .post-date {
            color: #6c757d;
            font-size: 0.85em;
            margin-bottom: 8px;
        }
        .post-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 10px;
        }
        .post-tag {
            padding: 4px 10px;
            border-radius: 10px;
            background: rgba(93, 208, 255, 0.2);
            color: #007bff;
            font-size: 0.75em;
            font-weight: 500;
        }
        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 30px;
            padding: 15px;
            background: rgba(255, 255, 255, 0.1) !important;
            backdrop-filter: blur(5px) saturate(100%) !important;
            -webkit-backdrop-filter: blur(10px) saturate(100%) !important;
            border-radius: 15px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .page-btn {
            padding: 8px 16px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #333;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 0.9em;
            margin: 3px;
        }
        .page-btn:hover {
            background: rgba(255, 255, 255, 0.5);
            color: #007bff;
            border-color: rgba(0, 123, 255, 0.3);
        }
        .page-btn.active {
            background: rgba(0, 123, 255, 0.6);
            color: white;
            border-color: rgba(0, 123, 255, 0.8);
        }
        .page-btn.disabled {
            opacity: 0.5;
            cursor: not-allowed;
            background: rgba(255, 255, 255, 0.1);
        }
        /* 搜索区域样式 */
        .search-container {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 15px;
            margin-bottom: 20px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .search-input {
            width: 100%;
            padding: 10px 15px;
            border-radius: 8px;
            border: 1px solid rgba(0, 0, 0, 0.1);
            background: rgba(255, 255, 255, 0.8);
            font-size: 1em;
            box-sizing: border-box;
        }
        .search-input:focus {
            outline: none;
            border-color: #007bff;
            box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.2);
        }
        /* 搜索结果样式 */
        .search-results {
            display: none;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            padding: 15px;
            margin-bottom: 20px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .search-result-item {
            padding: 12px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }
        .search-result-item:last-child {
            border-bottom: none;
        }
        /* 保留原有header样式不动 */
        .header {
            background: linear-gradient(to bottom, rgba(122, 189, 154, 1), rgba(122, 189, 154, 0));
            color: #fff;
            width: 100%;
            position: fixed;
            top: 0;
            left: 0;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 20px;
            box-sizing: border-box;
        }
        .header h1 {
            margin: 0;
            font-size: 1.5em;
            white-space: nowrap;
        }
        .header-content {
            display: flex;
            align-items: center;
            width: 100%;
            justify-content: space-between;
        }
        .header-nav-container {
            display: flex;
            align-items: center;
            flex-grow: 1;
            justify-content: center;
        }
        .header-nav {
            display: flex;
            list-style-type: none;
            margin: 0;
            padding: 0;
            align-items: center;
        }
        .header-nav li {
            margin: 0 8px;
            white-space: nowrap;
        }
        .header-nav li a {
            color: white;
            text-decoration: none;
            padding: 5px 10px;
            border-radius: 5px;
            transition: background-color 0.3s;
            font-size: 0.9em;
        }
        .header-nav li a:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }
        .header-search {
            display: flex;
            align-items: center;
            margin-left: 15px;
        }
        .header-search input {
            width: 150px;
            padding: 5px 10px;
            border-radius: 5px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background-color: rgba(255, 255, 255, 0.2);
            color: white;
        }
        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        .header-search button {
            padding: 5px 12px;
            margin-left: 8px;
            background-color: rgba(255, 255, 255, 0.3);
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .header-search button:hover {
            background-color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .header {
                flex-direction: column;
                align-items: stretch;
                padding: 10px;
            }
            .header-content {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
            .header-nav-container {
                display: none;
            }
            .header-search {
                display: flex;
                width: auto;
                margin: 10px 0 0 0;
            }
            .header-search input {
                width: 150px;
                flex-grow: 0;
            }
            .header-search button {
                white-space: nowrap;
                flex-shrink: 0;
            }
            .nav {
                display: block;
                background-color: #A0DFFF;
                padding: 10px;
            }
            .mobile-nav {
                display: flex;
                flex-wrap: wrap;
                list-style-type: none;
                margin: 0;
                padding: 0;
            }
            .mobile-nav li {
                margin: 5px 10px 5px 0;
            }
            .mobile-nav li a {
                color: #007bff;
                text-decoration: none;
                padding: 5px 8px;
                font-size: 0.9em;
            }
            .mobile-nav li a:hover {
                background-color: rgba(153, 221, 243, 0.3);
                border-radius: 5px;
            }
        }
        @media (min-width: 769px) {
            .nav,
            .mobile-nav {
                display: none;
            }
        }
        .header-placeholder {
            height: 60px;
        }
        /* 版权信息 */
        .copyright {
            text-align: center;
            padding: 15px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.85em;
            margin-top: 30px;
        }
        .post-tag.read-time {
            background: rgba(255, 193, 7, 0.2) !important;
            color: #ff9800 !important;
            border: 1px solid rgba(255, 193, 7, 0.3);
        }