/* 全局样式 */
        :root {
            --primary-color: #0E85FF;
            --secondary-color: #00A1E9;
            --accent-color: #00D4FF;
            --light-bg: #F5F9FF;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-light: #8C8C8C;
            --border-color: #E8EDF5;
            --success-color: #00C853;
            --warning-color: #FF9800;
            --danger-color: #FF3D57;
            --shadow-light: 0 4px 16px rgba(14, 133, 255, 0.08);
            --shadow-medium: 0 8px 30px rgba(14, 133, 255, 0.12);
            --shadow-heavy: 0 12px 40px rgba(14, 133, 255, 0.15);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: #F8FAFF;
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 15px;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul, ol {
            list-style: none;
        }

        img {
            max-width: 100%;
            height: auto;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 30px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            outline: none;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--success-color), #00B347);
            color: white;
            box-shadow: 0 6px 20px rgba(0, 200, 83, 0.3);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #00B347, #009E3D);
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 200, 83, 0.4);
        }

        .btn-primary:active {
            transform: translateY(-1px);
        }

        .btn-secondary {
            background-color: white;
            color: var(--primary-color);
            border: 2px solid var(--primary-color);
            font-weight: 600;
        }

        .btn-secondary:hover {
            background-color: rgba(14, 133, 255, 0.05);
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(14, 133, 255, 0.15);
        }

        .btn-lg {
            padding: 18px 40px;
            font-size: 18px;
            border-radius: 10px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 30px;
            color: var(--text-primary);
            position: relative;
            padding-left: 20px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 28px;
            background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
            border-radius: 3px;
        }

        /* 头部导航 */
        .header {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(232, 237, 245, 0.8);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-color);
        }

        .logo img {
            width: 40px;
            height: 40px;
            margin-right: 12px;
            border-radius: 8px;
        }

        .nav {
            display: flex;
            align-items: center;
        }

        .nav-item {
            margin-left: 35px;
            font-weight: 600;
            color: var(--text-primary);
            position: relative;
            padding: 8px 0;
            transition: var(--transition);
        }

        .nav-item:hover {
            color: var(--primary-color);
        }

        .nav-item.active {
            color: var(--primary-color);
        }

        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
            border-radius: 1.5px;
        }

        /* 搜索区域 */
        .search-section {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            padding: 50px 0;
            margin-bottom: 40px;
            position: relative;
            overflow: hidden;
        }

        .search-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
            background-size: 100px 100px;
            opacity: 0.5;
        }

        .search-container {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .search-title {
            color: white;
            font-size: 32px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 25px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .search-box {
            position: relative;
            display: flex;
            background-color: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
        }

        .search-input {
            flex: 1;
            padding: 20px 30px;
            border: none;
            outline: none;
            font-size: 17px;
            color: var(--text-primary);
        }

        .search-input::placeholder {
            color: #A0AEC0;
        }

        .search-btn {
            width: 130px;
            background: linear-gradient(135deg, var(--success-color), #00B347);
            color: white;
            border: none;
            font-size: 17px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .search-btn i {
            margin-right: 8px;
        }

        .search-btn:hover {
            background: linear-gradient(135deg, #00B347, #009E3D);
        }

        /* 软件详情区域 - 重新设计更大气 */
        .software-detail {
            background-color: white;
            border-radius: 16px;
            box-shadow: var(--shadow-heavy);
            padding: 40px;
            margin-bottom: 40px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .software-detail::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
        }

        .software-icon-container {
            width: 150px;
            height: 150px;
            border-radius: 24px;
            background: linear-gradient(135deg, #F5F9FF, #E8F4FF);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 40px;
            box-shadow: 0 10px 30px rgba(14, 133, 255, 0.2);
            overflow: hidden;
            border: 1px solid rgba(14, 133, 255, 0.1);
            padding: 20px;
        }

        .software-icon {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .software-info {
            flex: 1;
            min-width: 350px;
        }

        .software-title {
            font-size: 42px;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .software-subtitle {
            font-size: 20px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-weight: 500;
        }

        .software-rating {
            display: flex;
            align-items: center;
            margin-bottom: 30px;
        }

        .stars {
            color: #FFC107;
            font-size: 22px;
            margin-right: 12px;
        }

        .rating-text {
            color: var(--text-secondary);
            font-size: 16px;
            font-weight: 600;
        }

        .software-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 30px;
        }

        .action-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 18px 36px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            outline: none;
            position: relative;
            overflow: hidden;
        }

        .action-btn i {
            margin-right: 10px;
            font-size: 20px;
        }

        .btn-download {
            background: linear-gradient(135deg, var(--success-color), #00B347);
            color: white;
            box-shadow: 0 8px 25px rgba(0, 200, 83, 0.35);
            min-width: 220px;
        }

        .btn-download:hover {
            background: linear-gradient(135deg, #00B347, #009E3D);
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0, 200, 83, 0.45);
        }

        .btn-offline {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            box-shadow: 0 8px 25px rgba(14, 133, 255, 0.35);
        }

        .btn-offline:hover {
            background: linear-gradient(135deg, #0D7AE8, #0094D3);
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(14, 133, 255, 0.45);
        }

        .btn-favorite {
            background-color: white;
            color: var(--primary-color);
            border: 2px solid var(--primary-color);
            font-weight: 700;
        }

        .btn-favorite:hover {
            background-color: rgba(14, 133, 255, 0.08);
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(14, 133, 255, 0.2);
        }

        /* 软件属性表格 - 重新设计为一行两列 */
        .software-attributes {
            background-color: white;
            border-radius: 16px;
            box-shadow: var(--shadow-heavy);
            padding: 40px;
            margin-bottom: 40px;
        }

        .attributes-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .attribute-item {
            display: flex;
            align-items: center;
            padding: 20px;
            border-radius: 12px;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .attribute-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(14, 133, 255, 0.1);
            border-color: var(--accent-color);
        }

        .attribute-icon {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            font-size: 22px;
            color: white;
            flex-shrink: 0;
        }

        .icon-blue {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        }

        .icon-green {
            background: linear-gradient(135deg, var(--success-color), #00B347);
        }

        .icon-orange {
            background: linear-gradient(135deg, var(--warning-color), #FF8A00);
        }

        .icon-purple {
            background: linear-gradient(135deg, #9C27B0, #673AB7);
        }

        .attribute-content {
            flex: 1;
        }

        .attribute-label {
            font-size: 15px;
            color: var(--text-light);
            margin-bottom: 5px;
            font-weight: 500;
        }

        .attribute-value {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .attribute-highlight {
            color: var(--primary-color);
            font-weight: 800;
        }

        /* 标签页区域 */
        .tabs-section {
            background-color: white;
            border-radius: 16px;
            box-shadow: var(--shadow-heavy);
            overflow: hidden;
            margin-bottom: 60px;
        }

        .tabs-header {
            display: flex;
            background-color: var(--light-bg);
            border-bottom: 1px solid var(--border-color);
            overflow-x: auto;
            scrollbar-width: none;
            padding: 0 20px;
        }

        .tabs-header::-webkit-scrollbar {
            display: none;
        }

        .tab-button {
            flex: 0 0 auto;
            padding: 22px 28px;
            background: none;
            border: none;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
            display: flex;
            align-items: center;
        }

        .tab-button i {
            margin-right: 10px;
            font-size: 18px;
        }

        .tab-button:hover {
            color: var(--primary-color);
        }

        .tab-button.active {
            color: var(--primary-color);
            background-color: white;
        }

        .tab-button.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
        }

        .tabs-content {
            padding: 40px;
        }

        .tab-pane {
            display: none;
            animation: fadeIn 0.5s ease;
        }

        .tab-pane.active {
            display: block;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(15px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* 标签页内容样式 */
        .tab-title {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 25px;
            color: var(--text-primary);
            padding-bottom: 15px;
            border-bottom: 2px solid var(--border-color);
        }

        /* 多平台下载样式 */
        .platforms-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        .platform-card {
            background-color: var(--light-bg);
            border-radius: 14px;
            padding: 30px;
            text-align: center;
            transition: var(--transition);
            border: 2px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .platform-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-medium);
            border-color: var(--accent-color);
        }

        .platform-card.featured {
            border-color: var(--success-color);
            box-shadow: 0 8px 25px rgba(0, 200, 83, 0.15);
        }

        .platform-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 15px;
            right: -30px;
            background: linear-gradient(135deg, var(--success-color), #00B347);
            color: white;
            padding: 5px 30px;
            font-size: 14px;
            font-weight: 600;
            transform: rotate(45deg);
        }

        .platform-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            color: white;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

        .windows-icon {
            background: linear-gradient(135deg, #0078D7, #00BCF2);
        }

        .mac-icon {
            background: linear-gradient(135deg, #333333, #666666);
        }

        .android-icon {
            background: linear-gradient(135deg, #3DDC84, #0F9D58);
        }

        .ios-icon {
            background: linear-gradient(135deg, #000000, #666666);
        }

        .platform-name {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .platform-info {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 15px;
            line-height: 1.5;
        }

        .platform-details {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
            font-size: 14px;
            color: var(--text-light);
        }

        /* 功能介绍样式 */
        .features-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 25px;
            margin-top: 25px;
        }

        .feature-item {
            background-color: var(--light-bg);
            border-radius: 12px;
            padding: 25px;
            transition: var(--transition);
            border-left: 5px solid var(--primary-color);
        }

        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-medium);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: white;
            font-size: 24px;
            box-shadow: 0 6px 15px rgba(14, 133, 255, 0.3);
        }

        .feature-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .feature-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* 安装步骤样式 */
        .install-steps {
            counter-reset: step-counter;
            margin-top: 25px;
        }

        .install-step {
            counter-increment: step-counter;
            margin-bottom: 30px;
            padding-left: 90px;
            position: relative;
            min-height: 80px;
        }

        .install-step::before {
            content: counter(step-counter);
            position: absolute;
            left: 0;
            top: 0;
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 28px;
            box-shadow: 0 8px 20px rgba(14, 133, 255, 0.3);
        }

        .step-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .step-desc {
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 16px;
        }

        /* 常见问题样式 */
        .faq-container {
            margin-top: 25px;
        }

        .faq-item {
            margin-bottom: 18px;
            border: 2px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--accent-color);
        }

        .faq-question {
            padding: 22px 25px;
            background-color: var(--light-bg);
            cursor: pointer;
            font-weight: 600;
            font-size: 17px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

        .faq-question:hover {
            background-color: #EDF4FF;
        }

        .faq-question i {
            transition: var(--transition);
            color: var(--text-light);
            font-size: 20px;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
            color: var(--primary-color);
        }

        .faq-answer {
            padding: 25px;
            display: none;
            background-color: white;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 16px;
            border-top: 2px solid var(--border-color);
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* 更新日志样式 */
        .changelog-container {
            margin-top: 25px;
        }

        .changelog-item {
            margin-bottom: 30px;
            padding-left: 25px;
            border-left: 4px solid var(--accent-color);
            padding-bottom: 25px;
            position: relative;
        }

        .changelog-item::before {
            content: '';
            position: absolute;
            left: -10px;
            top: 0;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background-color: var(--primary-color);
            border: 4px solid white;
            box-shadow: 0 0 0 2px var(--primary-color);
        }

        .changelog-version {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 8px;
        }

        .changelog-date {
            font-size: 15px;
            color: var(--text-light);
            margin-bottom: 15px;
            font-weight: 500;
        }

        .changelog-content ul {
            padding-left: 25px;
        }

        .changelog-content li {
            margin-bottom: 10px;
            color: var(--text-secondary);
            position: relative;
            padding-left: 15px;
            font-size: 16px;
            line-height: 1.7;
        }

        .changelog-content li::before {
            content: "•";
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-size: 24px;
            line-height: 1;
        }

        /* 用户评价样式 */
        .reviews-container {
            margin-top: 25px;
        }

        .review-item {
            background-color: var(--light-bg);
            border-radius: 14px;
            padding: 30px;
            margin-bottom: 25px;
            border-left: 5px solid var(--primary-color);
            transition: var(--transition);
        }

        .review-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-light);
        }

        .review-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .reviewer-name {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 18px;
        }

        .review-date {
            font-size: 14px;
            color: var(--text-light);
        }

        .review-rating {
            color: #FFC107;
            margin-bottom: 15px;
            font-size: 20px;
        }

        .review-content {
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 16px;
            font-style: italic;
        }

        /* 页脚样式 - 简化 */
        .footer {
            background-color: #1A1F36;
            color: #A0AEC0;
            padding: 40px 0;
            text-align: center;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-copyright {
            font-size: 15px;
            color: #CBD5E0;
        }

        /* 响应式设计 */
        @media (max-width: 1100px) {
            .attributes-grid {
                grid-template-columns: 1fr;
            }
            
            .features-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 992px) {
            .software-detail {
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 35px 30px;
            }
            
            .software-icon-container {
                margin-right: 0;
                margin-bottom: 30px;
            }
            
            .software-actions {
                justify-content: center;
            }
            
            .platforms-grid {
                grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            }
            
            .install-step {
                padding-left: 80px;
            }
        }

        @media (max-width: 768px) {
            .header .container {
                flex-direction: column;
                height: auto;
                padding: 20px;
            }
            
            .logo {
                margin-bottom: 20px;
            }
            
            .nav {
                flex-wrap: wrap;
                justify-content: center;
                width: 100%;
            }
            
            .nav-item {
                margin: 0 15px 10px;
            }
            
            .search-title {
                font-size: 28px;
            }
            
            .software-title {
                font-size: 36px;
            }
            
            .tabs-content {
                padding: 30px 25px;
            }
            
            .tab-button {
                padding: 18px 22px;
                font-size: 16px;
            }
            
            .btn-download {
                min-width: auto;
                width: 100%;
            }
            
            .action-btn {
                width: 100%;
                justify-content: center;
            }
            
            .software-actions {
                flex-direction: column;
            }
        }

        @media (max-width: 576px) {
            .search-box {
                flex-direction: column;
                border-radius: 12px;
            }
            
            .search-input {
                padding: 18px;
                border-bottom: 1px solid var(--border-color);
            }
            
            .search-btn {
                width: 100%;
                padding: 18px;
            }
            
            .software-attributes {
                padding: 30px 25px;
            }
            
            .attribute-item {
                flex-direction: column;
                text-align: center;
                padding: 25px 20px;
            }
            
            .attribute-icon {
                margin-right: 0;
                margin-bottom: 15px;
            }
            
            .install-step {
                padding-left: 70px;
            }
            
            .install-step::before {
                width: 60px;
                height: 60px;
                font-size: 24px;
            }
            
            .tab-title {
                font-size: 24px;
            }
        }