/* 字体引入必须在最顶部 */
        @import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700;800&display=swap');
        
        :root {
            --primary-color: #0071e3;
            --primary-hover: #0077ed;
            --secondary-color: #34c759;
            --secondary-hover: #30d158;
            --orange-color: #ff9500;
            --purple-color: #5856d6;
            --purple-gradient: linear-gradient(135deg, #5856d6 0%, #6366f1 100%);
            --text-color: #1d1d1f;
            --text-secondary: #6e6e73;
            --bg-color: #f5f5f7;
            --border-color: #d2d2d7;
            --card-radius: 20px;
            --btn-radius: 980px;
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.05);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --service-color: #07c160;
            --service-hover: #08d169;
            --service-gradient: linear-gradient(135deg, #07c160 0%, #08d169 100%);
            --official-color: #0056b3;
            --official-hover: #0066cc;
            --official-gradient: linear-gradient(135deg, #0056b3 0%, #0066cc 100%);
            --glow-primary: rgba(0, 113, 227, 0.4);
            --glow-purple: rgba(88, 86, 214, 0.4);
            --glow-service: rgba(7, 193, 96, 0.4);
            --glow-official: rgba(0, 86, 179, 0.4);
            /* 加载/禁用状态配色 */
            --disabled-bg: #e5e5e7;
            --disabled-text: #86868b;
            --loading-bg: linear-gradient(135deg, #0071e3 0%, #0077ed 100%);
            --toast-bg: rgba(0,0,0,0.8);
            --toast-text: #ffffff;
            /* 分类导航配色 */
            --nav-bg: rgba(255,255,255,0.45);
            --nav-active: var(--primary-color);
            --nav-hover: rgba(0, 113, 227, 0.1);
            /* 液态玻璃变量 */
            --glass-bg: rgba(255,255,255,0.38);
            --glass-bg-hover: rgba(255,255,255,0.5);
            --glass-border: rgba(255,255,255,0.55);
            --glass-blur: blur(20px) saturate(180%);
            --glass-blur-heavy: blur(28px) saturate(200%);
            --glass-shadow: 0 8px 32px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.6);
            --glass-shadow-hover: 0 12px 40px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,255,0.7);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            background: #e8eaf0;
            color: var(--text-color);
            line-height: 1.5;
            -webkit-text-size-adjust: 100%;
            min-height: 100vh;
            -webkit-tap-highlight-color: transparent;
            position: relative;
            overflow-x: hidden;
        }
        
        /* 多彩光斑流动背景 */
        body::before {
            content: '';
            position: fixed;
            top: -30%;
            left: -20%;
            width: 70%;
            height: 70%;
            background: radial-gradient(circle, rgba(0,113,227,0.25) 0%, transparent 70%);
            border-radius: 50%;
            animation: blobMove1 18s ease-in-out infinite;
            z-index: -2;
            pointer-events: none;
        }
        
        body::after {
            content: '';
            position: fixed;
            bottom: -30%;
            right: -20%;
            width: 65%;
            height: 65%;
            background: radial-gradient(circle, rgba(88,86,214,0.22) 0%, transparent 70%);
            border-radius: 50%;
            animation: blobMove2 20s ease-in-out infinite;
            z-index: -2;
            pointer-events: none;
        }
        
        /* 第三个光斑用 container 的伪元素 */
        .container::before {
            content: '';
            position: fixed;
            top: 40%;
            left: 30%;
            width: 50%;
            height: 50%;
            background: radial-gradient(circle, rgba(48,209,88,0.15) 0%, transparent 70%);
            border-radius: 50%;
            animation: blobMove3 22s ease-in-out infinite;
            z-index: -2;
            pointer-events: none;
        }
        
        @keyframes blobMove1 {
            0%, 100% { transform: translate(0, 0) scale(1); }
            25% { transform: translate(15%, 20%) scale(1.1); }
            50% { transform: translate(30%, 10%) scale(0.95); }
            75% { transform: translate(10%, 30%) scale(1.05); }
        }
        
        @keyframes blobMove2 {
            0%, 100% { transform: translate(0, 0) scale(1); }
            25% { transform: translate(-20%, -15%) scale(1.08); }
            50% { transform: translate(-10%, -25%) scale(0.92); }
            75% { transform: translate(-25%, -10%) scale(1.05); }
        }
        
        @keyframes blobMove3 {
            0%, 100% { transform: translate(0, 0) scale(1); }
            33% { transform: translate(-15%, 15%) scale(1.1); }
            66% { transform: translate(15%, -10%) scale(0.9); }
        }
        
        .container {
            max-width: 980px;
            margin: 0 auto;
            padding: 15px;
            position: relative;
        }
        
        header {
            padding: 15px 0;
            margin-bottom: 15px;
            text-align: center;
        }
        
        header h1 {
            font-size: clamp(20px, 6vw, 36px);
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-color), var(--purple-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: fadeInDown 0.8s ease-out;
            letter-spacing: 0.02em;
            line-height: 1.1;
            margin-bottom: 8px;
            padding: 0 10px;
        }
        
        /* 移动端进一步优化 */
        @media (max-width: 480px) {
            header h1 {
                font-size: clamp(18px, 5vw, 28px);
                margin-bottom: 6px;
            }
            
            header {
                padding: 10px 0;
                margin-bottom: 10px;
            }
        }
        
        .app-header {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 20px;
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur-heavy);
            -webkit-backdrop-filter: var(--glass-blur-heavy);
            border-radius: var(--card-radius);
            padding: 20px;
            box-shadow: var(--glass-shadow);
            border: 1px solid var(--glass-border);
            transition: var(--transition);
            animation: fadeInUp 0.8s ease-out;
        }
        
        .app-header:hover {
            background: var(--glass-bg-hover);
            box-shadow: var(--glass-shadow-hover);
            transform: translateY(-2px);
        }
        
        .app-icon-container {
            flex: 0 0 auto;
            width: 100%;
            text-align: center;
        }
        
        .app-main-info {
            flex: 1;
            min-width: 0;
        }
        
        .app-meta-info {
            flex: 1;
            min-width: 0;
        }
        
        .app-icon {
            max-width: 100%;
            height: auto;
            border-radius: 20px;
            box-shadow: var(--shadow-md);
            margin: 0 auto 20px;
            transition: var(--transition);
            /* 图片懒加载优化 */
            object-fit: contain;
        }
        
        .app-icon:hover {
            transform: scale(1.05);
            box-shadow: var(--shadow-lg);
        }
        
        .app-info h1 {
            font-size: clamp(24px, 6vw, 32px);
            font-weight: 700;
            margin-bottom: 12px;
            text-align: center;
            animation: fadeIn 0.6s ease-out;
            color: var(--text-color);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        
        .app-info p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: clamp(16px, 4vw, 18px);
            font-weight: 400;
            text-align: center;
            animation: fadeIn 0.8s ease-out;
            line-height: 1.6;
        }
        
        .button-group {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin: 15px auto;
            max-width: 280px;
            animation: fadeInUp 1s ease-out;
        }
        
        /* 按钮核心优化：增加加载/禁用状态 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 24px;
            border-radius: var(--btn-radius);
            text-decoration: none;
            font-weight: 600;
            font-size: clamp(14px, 4vw, 16px);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            width: 100%;
            text-align: center;
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            z-index: 1;
            box-shadow: 0 6px 12px rgba(0,0,0,0.15), 0 0 0 rgba(255,255,255,0);
            /* 禁止文本选中 */
            user-select: none;
            /* 3D效果 */
            transform-style: preserve-3d;
            perspective: 1000px;
            letter-spacing: 0.02em;
        }

        .btn-label {
            display: flex;
            flex-direction: column;
            gap: 4px;
            line-height: 1.2;
            /* 3D效果 */
            transform: translateZ(10px);
        }

        .btn-sub {
            font-size: 12px;
            opacity: 0.85;
        }

        /* 苹果logo样式 */
        .btn-icon {
            margin-right: 10px;
            font-size: 20px;
            /* 3D效果 */
            transform: translateZ(15px);
        }
        
        /* 按钮加载动画 */
        .btn-loading::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 300%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
            animation: loadingShine 1.5s infinite linear;
            z-index: -1;
        }
        
        /* 按钮禁用状态 */
        .btn:disabled {
            background: var(--disabled-bg) !important;
            color: var(--disabled-text) !important;
            cursor: not-allowed;
            transform: none !important;
            box-shadow: none !important;
            animation: none !important;
        }
        
        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 300%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
            transition: left 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            z-index: -1;
        }
        
        .btn:hover::before {
            left: 100%;
        }
        
        .btn:hover {
            transform: translateY(-6px) scale(1.05) rotateX(5deg);
        }
        
        .btn:active {
            transform: translateY(-2px) scale(0.98) rotateX(0deg);
            transition: all 0.1s ease;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        
        /* 水流动效果动画 */
        @keyframes waterFlow {
            0% {
                left: -100%;
            }
            100% {
                left: 100%;
            }
        }
        
        /* 呼吸灯动画 */
        @keyframes breathe-primary {
            0%, 100% {
                box-shadow: 0 12px 24px var(--glow-primary), 0 0 20px var(--glow-primary);
                transform: scale(1);
            }
            50% {
                box-shadow: 0 20px 40px var(--glow-primary), 0 0 60px var(--glow-primary);
                transform: scale(1.03);
            }
        }
        
        @keyframes breathe-secondary {
            0%, 100% {
                box-shadow: 0 12px 24px rgba(52, 199, 89, 0.4), 0 0 20px rgba(52, 199, 89, 0.4);
                transform: scale(1);
            }
            50% {
                box-shadow: 0 20px 40px rgba(52, 199, 89, 0.6), 0 0 60px rgba(52, 199, 89, 0.8);
                transform: scale(1.03);
            }
        }
        
        @keyframes breathe-unlock {
            0%, 100% {
                box-shadow: 0 12px 24px rgba(255, 122, 0, 0.4), 0 0 20px rgba(255, 122, 0, 0.4);
                transform: scale(1);
            }
            50% {
                box-shadow: 0 20px 40px rgba(255, 122, 0, 0.6), 0 0 60px rgba(255, 122, 0, 0.8);
                transform: scale(1.03);
            }
        }
        
        /* 悬浮客服按钮呼吸效果 */
        @keyframes breathe-service {
            0%, 100% {
                transform: scale(1);
                box-shadow: 0 6px 16px var(--glow-service), 0 0 20px var(--glow-service);
                opacity: 1;
            }
            50% {
                transform: scale(1.05);
                box-shadow: 0 8px 24px var(--glow-service), 0 0 30px var(--glow-service);
                opacity: 0.9;
            }
        }
        
        /* 3D按钮效果增强 + 玻璃质感 */
        .btn-primary {
            background: linear-gradient(135deg, rgba(0,113,227,0.8), rgba(0,119,237,0.8));
            backdrop-filter: blur(12px) saturate(180%);
            -webkit-backdrop-filter: blur(12px) saturate(180%);
            color: white;
            box-shadow: 0 6px 12px var(--glow-primary), inset 0 1px 0 rgba(255,255,255,0.3);
            border: 1px solid rgba(255,255,255,0.2);
            position: relative;
            overflow: hidden;
            animation: breathe-primary 2s ease-in-out infinite;
        }
        
        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 300%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            z-index: 1;
        }
        
        .btn-primary:hover {
            animation: breathe-primary 2s ease-in-out infinite;
        }
        
        .btn-primary:hover::before {
            animation: waterFlow 2s ease-in-out infinite;
        }
        
        .btn-secondary {
            background: linear-gradient(135deg, rgba(52,199,89,0.8), rgba(48,209,88,0.8));
            backdrop-filter: blur(12px) saturate(180%);
            -webkit-backdrop-filter: blur(12px) saturate(180%);
            color: white;
            box-shadow: 0 6px 12px rgba(52, 199, 89, 0.3), inset 0 1px 0 rgba(255,255,255,0.3);
            border: 1px solid rgba(255,255,255,0.2);
            position: relative;
            overflow: hidden;
            animation: breathe-secondary 2s ease-in-out infinite;
        }
        
        .btn-secondary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 300%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            z-index: 1;
        }
        
        .btn-secondary:hover {
            animation: breathe-secondary 2s ease-in-out infinite;
        }
        
        .btn-secondary:hover::before {
            animation: waterFlow 2s ease-in-out infinite;
        }
        
        .btn-unlock {
            background: linear-gradient(135deg, rgba(255,122,0,0.8), rgba(255,159,67,0.8));
            backdrop-filter: blur(12px) saturate(180%);
            -webkit-backdrop-filter: blur(12px) saturate(180%);
            color: white;
            box-shadow: 0 6px 12px rgba(255, 122, 0, 0.3), inset 0 1px 0 rgba(255,255,255,0.3);
            border: 1px solid rgba(255,255,255,0.2);
            position: relative;
            overflow: hidden;
            animation: breathe-unlock 2s ease-in-out infinite;
        }
        
        .btn-unlock::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 300%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            z-index: 1;
        }
        
        .btn-unlock:hover {
            animation: breathe-unlock 2s ease-in-out infinite;
        }
        
        .btn-unlock:hover::before {
            animation: waterFlow 2s ease-in-out infinite;
        }
        
        /* 其他按钮类型样式 */
        .btn-orange {
            background: linear-gradient(135deg, var(--orange-color), #ffab40);
            color: white;
            box-shadow: 0 4px 12px rgba(255, 149, 0, 0.3);
        }
        
        .btn-orange:hover {
            box-shadow: 0 0 30px rgba(255, 149, 0, 0.4), 0 8px 24px rgba(255, 149, 0, 0.4);
        }
        
        .btn-purple {
            background: linear-gradient(135deg, rgba(88,86,214,0.75), rgba(99,102,241,0.75));
            backdrop-filter: blur(12px) saturate(180%);
            -webkit-backdrop-filter: blur(12px) saturate(180%);
            color: white;
            box-shadow: 0 4px 12px var(--glow-purple), inset 0 1px 0 rgba(255,255,255,0.25);
            border: 1px solid rgba(255,255,255,0.2);
            gap: 12px;
        }
        
        .btn-purple:hover {
            background: linear-gradient(135deg, rgba(99,102,241,0.85), rgba(124,58,237,0.85));
            box-shadow: 0 0 30px var(--glow-purple), 0 8px 24px rgba(88, 86, 214, 0.4), inset 0 1px 0 rgba(255,255,255,0.3);
        }
        
        .btn-service {
            background: linear-gradient(135deg, rgba(7,193,96,0.75), rgba(8,209,105,0.75));
            backdrop-filter: blur(12px) saturate(180%);
            -webkit-backdrop-filter: blur(12px) saturate(180%);
            color: white;
            box-shadow: 0 4px 12px var(--glow-service), inset 0 1px 0 rgba(255,255,255,0.25);
            border: 1px solid rgba(255,255,255,0.2);
            gap: 12px;
        }
        
        .btn-service:hover {
            background: linear-gradient(135deg, rgba(8,209,105,0.85), rgba(6,184,86,0.85));
            box-shadow: 0 0 30px var(--glow-service), 0 8px 24px rgba(7, 193, 96, 0.4), inset 0 1px 0 rgba(255,255,255,0.3);
        }
        
        .btn-official {
            background: linear-gradient(135deg, rgba(0,86,179,0.75), rgba(0,102,204,0.75));
            backdrop-filter: blur(12px) saturate(180%);
            -webkit-backdrop-filter: blur(12px) saturate(180%);
            color: white;
            box-shadow: 0 4px 12px var(--glow-official), inset 0 1px 0 rgba(255,255,255,0.25);
            border: 1px solid rgba(255,255,255,0.2);
            gap: 12px;
        }
        
        .btn-official:hover {
            background: linear-gradient(135deg, rgba(0,102,204,0.85), rgba(0,119,221,0.85));
            box-shadow: 0 0 30px var(--glow-official), 0 8px 24px rgba(0, 86, 179, 0.4), inset 0 1px 0 rgba(255,255,255,0.3);
        }
        
        .compatibility-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
            margin: 15px 0;
            animation: fadeInUp 1s ease-out;
        }
        
        .compatibility-item {
            background: rgba(255,255,255,0.35);
            backdrop-filter: blur(12px) saturate(150%);
            -webkit-backdrop-filter: blur(12px) saturate(150%);
            padding: 15px;
            border-radius: 12px;
            font-size: 14px;
            transition: var(--transition);
            border: 1px solid rgba(255,255,255,0.5);
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.5);
        }
        
        .compatibility-item:hover {
            background: rgba(255,255,255,0.5);
            border-color: rgba(0,113,227,0.3);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0,113,227,0.1), inset 0 1px 0 rgba(255,255,255,0.6);
        }
        
        .compatibility-item strong {
            display: block;
            margin-bottom: 5px;
            color: var(--primary-color);
            font-size: 15px;
        }
        
        .extra-options {
            margin-top: 15px;
        }
        
        .extra-buttons {
            display: grid;
            grid-template-columns: 1fr;
            gap: 10px;
            margin-bottom: 12px;
            animation: fadeInUp 1.2s ease-out;
        }
        
        .extra-note {
            background: rgba(0,113,227,0.08);
            backdrop-filter: blur(12px) saturate(150%);
            -webkit-backdrop-filter: blur(12px) saturate(150%);
            padding: 15px;
            border-radius: 12px;
            font-size: 14px;
            border-left: 3px solid var(--primary-color);
            border-top: 1px solid rgba(255,255,255,0.4);
            border-right: 1px solid rgba(255,255,255,0.2);
            border-bottom: 1px solid rgba(255,255,255,0.2);
            transition: var(--transition);
            animation: fadeInUp 1.2s ease-out;
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.3);
        }
        
        .extra-note:hover {
            background: rgba(0,113,227,0.12);
            transform: translateX(2px);
        }
        
        .extra-note strong {
            display: block;
            margin-bottom: 5px;
            color: var(--primary-color);
        }
        
        .info-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
        }
        
        .info-item {
            display: flex;
            align-items: center;
            font-size: 14px;
        }
        
        .info-item h3 {
            color: var(--text-secondary);
            margin-right: 10px;
            font-weight: 500;
            min-width: 70px;
            font-size: 14px;
        }
        
        .info-item p {
            font-weight: 500;
            margin: 0;
            font-size: 14px;
        }
        
        .badge {
            display: inline-block;
            background-color: rgba(0,0,0,0.05);
            padding: 2px 6px;
            border-radius: 8px;
            font-size: 12px;
            margin-left: 6px;
        }
        
        .section {
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur-heavy);
            -webkit-backdrop-filter: var(--glass-blur-heavy);
            border-radius: var(--card-radius);
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: var(--glass-shadow);
            border: 1px solid var(--glass-border);
            transition: var(--transition);
            animation: fadeInUp 1s ease-out;
        }
        
        .section:hover {
            background: var(--glass-bg-hover);
            box-shadow: var(--glass-shadow-hover);
            transform: translateY(-2px);
        }
        
        .section-title {
            font-size: clamp(20px, 6vw, 28px);
            margin-bottom: 24px;
            font-weight: 700;
            color: var(--text-color);
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(255,255,255,0.5);
            position: relative;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-color), var(--purple-color));
            border-radius: 3px;
        }
        
        /* 分类导航样式 - 胶囊玻璃导航 */
        .category-nav {
            background: rgba(255,255,255,0.2);
            backdrop-filter: blur(24px) saturate(180%);
            -webkit-backdrop-filter: blur(24px) saturate(180%);
            border-radius: 980px;
            padding: 6px;
            margin-bottom: 25px;
            box-shadow: 0 4px 24px rgba(0,0,0,0.06), inset 0 1px 0 rgba(255,255,255,0.5);
            border: 1px solid rgba(255,255,255,0.45);
            transition: var(--transition);
        }
        
        .category-nav:hover {
            background: rgba(255,255,255,0.28);
            box-shadow: 0 6px 28px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.6);
        }
        
        .category-list {
            display: flex;
            list-style: none;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            justify-content: center;
            gap: 4px;
        }
        
        .category-list::-webkit-scrollbar {
            display: none;
        }
        
        .category-item {
            flex: 0 0 auto;
        }
        
        .category-item a {
            display: block;
            padding: 10px 20px;
            text-decoration: none;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: clamp(13px, 3.5vw, 15px);
            transition: var(--transition);
            border-bottom: none;
            border-radius: 980px;
            letter-spacing: 0.02em;
        }
        
        .category-item:hover a {
            background: rgba(255,255,255,0.35);
            color: var(--text-color);
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
        }
        
        .category-item.active a {
            background: rgba(255,255,255,0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            color: var(--primary-color);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.7);
            border: 1px solid rgba(255,255,255,0.5);
        }
        
        /* 安装步骤样式 */
        .installation-steps {
            margin-top: 20px;
            animation: fadeInUp 1s ease-out;
        }
        
        .installation-steps h3 {
            margin-bottom: 15px;
            color: var(--primary-color);
            font-size: 18px;
        }
        
        .installation-steps ol {
            margin-left: 25px;
            line-height: 1.8;
        }
        
        .installation-steps li {
            margin-bottom: 10px;
            font-size: 15px;
            transition: var(--transition);
        }
        
        .installation-steps li:hover {
            color: var(--primary-color);
            transform: translateX(2px);
        }
        
        /* 兼容性网格样式 */
        .compatibility-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            animation: fadeInUp 1s ease-out;
        }
        
        .compatibility-category h3 {
            margin-bottom: 15px;
            color: var(--primary-color);
            font-size: 18px;
        }
        
        .system-requirements {
            margin-left: 20px;
            line-height: 1.8;
        }
        
        .system-requirements li {
            margin-bottom: 10px;
            font-size: 15px;
            transition: var(--transition);
        }
        
        .system-requirements li:hover {
            color: var(--primary-color);
            transform: translateX(2px);
        }
        
        /* 常见问题样式 */
        .faq-container {
            animation: fadeInUp 1s ease-out;
        }
        
        .faq-item {
            margin-bottom: 20px;
            border: 1px solid rgba(255,255,255,0.5);
            border-radius: 14px;
            overflow: hidden;
            transition: var(--transition);
            background: rgba(255,255,255,0.25);
            backdrop-filter: blur(12px) saturate(150%);
            -webkit-backdrop-filter: blur(12px) saturate(150%);
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.4);
        }
        
        .faq-item:hover {
            box-shadow: 0 6px 20px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.5);
            border-color: rgba(0,113,227,0.3);
        }
        
        .faq-question {
            background: rgba(255,255,255,0.2);
            padding: 15px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }
        
        .faq-question:hover {
            background: rgba(255,255,255,0.35);
        }
        
        .faq-question h3 {
            font-size: clamp(16px, 4vw, 18px);
            font-weight: 600;
            color: var(--text-color);
            line-height: 1.4;
        }
        
        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 500px;
        }
        
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        
        .faq-icon {
            font-size: 12px;
            color: var(--primary-color);
            transition: var(--transition);
        }
        
        .faq-answer p {
            line-height: 1.7;
            color: var(--text-secondary);
            font-size: clamp(15px, 4vw, 16px);
            font-weight: 400;
        }
        
        .faq-answer ul {
            margin-left: 24px;
            margin-top: 12px;
        }
        
        .faq-answer li {
            margin-bottom: 10px;
            line-height: 1.7;
            color: var(--text-secondary);
            font-weight: 400;
        }
        
        footer {
            margin-top: 30px;
            padding: 15px;
            border: 1px solid var(--glass-border);
            color: var(--text-secondary);
            font-size: clamp(13px, 3vw, 14px);
            text-align: center;
            line-height: 1.6;
            animation: fadeInUp 1.4s ease-out;
            font-weight: 400;
            letter-spacing: 0.02em;
            max-width: 980px;
            margin-left: auto;
            margin-right: auto;
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border-radius: var(--card-radius);
            box-shadow: var(--glass-shadow);
        }
        
        @media (min-width: 768px) {
            footer {
                padding: 15px 25px;
            }
        }
        
        @media (min-width: 1200px) {
            footer {
                max-width: 1140px;
            }
        }
        
        /* 悬浮客服按钮 */
        .floating-service-btn {
            position: fixed;
            top: 160px;
            right: 20px;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(7,193,96,0.7), rgba(8,209,105,0.7));
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px var(--glow-service), 0 0 20px var(--glow-service), inset 0 1px 0 rgba(255,255,255,0.3);
            cursor: pointer;
            z-index: 9998;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border: 1px solid rgba(255,255,255,0.35);
            font-size: 22px;
            animation: breathe-service 2s ease-in-out infinite;
            touch-action: manipulation;
            -webkit-tap-highlight-color: transparent;
        }
        
        .floating-service-btn:hover {
            transform: scale(1.1) translateY(-4px);
            box-shadow: 0 8px 20px var(--glow-service), 0 0 30px var(--glow-service), inset 0 1px 0 rgba(255,255,255,0.4);
        }
        
        .floating-service-btn:active {
            transform: scale(0.95);
        }
        
        /* Toast提示框（安装反馈） */
        .toast {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(30,30,30,0.7);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            color: var(--toast-text);
            padding: 12px 24px;
            border-radius: 14px;
            border: 1px solid rgba(255,255,255,0.1);
            font-size: 15px;
            z-index: 9999;
            opacity: 0;
            transition: opacity 0.3s ease;
            pointer-events: none;
            text-align: center;
            max-width: 80%;
        }
        
        .toast.show {
            opacity: 1;
        }
        
        /* 安装确认弹窗 */
        .install-modal {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 10000;
            align-items: center;
            justify-content: center;
            padding: 16px;
        }
        .install-modal.show { display: flex; }
        .install-modal-mask {
            position: absolute;
            inset: 0;
            background: rgba(0,0,0,0.45);
            backdrop-filter: blur(6px);
        }
        .install-modal-box {
            position: relative;
            max-width: 360px;
            width: 100%;
            padding: 24px;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(20px);
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.2);
            border: 1px solid rgba(255,255,255,0.6);
        }
        .install-modal-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-color);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .install-modal-title i { color: var(--primary-color); }
        .install-modal-desc { font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; }
        .install-modal-steps {
            margin: 0 0 14px 20px;
            padding: 0;
            font-size: 14px;
            color: var(--text-color);
            line-height: 1.8;
        }
        .install-modal-steps li { margin-bottom: 4px; }
        .install-modal-tip {
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.5;
        }
        .install-modal-tip a { color: var(--primary-color); text-decoration: none; }
        .install-modal-tip a:hover { text-decoration: underline; }
        .install-modal-btns {
            display: flex;
            gap: 12px;
            justify-content: flex-end;
        }
        .install-modal-cancel {
            padding: 10px 20px;
            border-radius: 980px;
            border: 1px solid var(--border-color);
            background: transparent;
            color: var(--text-secondary);
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
        }
        .install-modal-cancel:hover {
            background: rgba(0,0,0,0.05);
            color: var(--text-color);
        }
        .btn-outline { background: transparent !important; color: var(--text-color) !important; }
        
        /* 动画优化 */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes fadeInDown {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes loadingShine {
            0% { left: -100%; }
            100% { left: 100%; }
        }
        
        /* ===== 安装特效样式 ===== */
        #install-overlay {
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            z-index: 10000;
            display: none;
            align-items: center;
            justify-content: center;
        }
        
        #install-overlay.active {
            display: flex;
            animation: overlayIn 0.4s ease-out forwards;
        }
        
        #install-overlay.fade-out {
            animation: overlayOut 0.5s ease-in forwards;
        }
        
        @keyframes overlayIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes overlayOut {
            from { opacity: 1; }
            to { opacity: 0; }
        }
        
        .install-effect-bg {
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0,0,0,0.25);
            backdrop-filter: blur(24px) saturate(180%);
            -webkit-backdrop-filter: blur(24px) saturate(180%);
        }
        
        .install-effect-ripple {
            position: absolute;
            width: 20px; height: 20px;
            border-radius: 50%;
            background: rgba(0,113,227,0.3);
            transform: translate(-50%, -50%) scale(0);
            animation: rippleExpand 0.8s ease-out forwards;
        }
        
        @keyframes rippleExpand {
            0% { transform: translate(-50%, -50%) scale(0); opacity: 1; }
            100% { transform: translate(-50%, -50%) scale(80); opacity: 0; }
        }
        
        .install-effect-particles {
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            pointer-events: none;
            z-index: 2;
        }
        
        @keyframes particleFly {
            0% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
            20% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
            100% {
                transform: translate(
                    calc(-50% + var(--tx)),
                    calc(-50% + var(--ty))
                ) scale(0);
                opacity: 0;
            }
        }
        
        .install-effect-content {
            position: relative;
            z-index: 3;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            animation: contentPop 0.5s 0.2s ease-out both;
        }
        
        @keyframes contentPop {
            from { transform: scale(0.6); opacity: 0; }
            to { transform: scale(1); opacity: 1; }
        }
        
        .install-effect-ring {
            width: 120px;
            height: 120px;
            position: relative;
        }
        
        .install-effect-ring svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }
        
        .ring-track {
            fill: none;
            stroke: rgba(255,255,255,0.15);
            stroke-width: 4;
        }
        
        .ring-progress {
            fill: none;
            stroke: url(#ring-gradient);
            stroke: #0071e3;
            stroke-width: 4;
            stroke-linecap: round;
            stroke-dasharray: 327;
            stroke-dashoffset: 327;
            animation: ringFill 1.8s 0.3s ease-in-out forwards;
            filter: drop-shadow(0 0 8px rgba(0,113,227,0.5));
        }
        
        @keyframes ringFill {
            0% { stroke-dashoffset: 327; }
            100% { stroke-dashoffset: 0; }
        }
        
        .install-effect-icon {
            position: absolute;
            top: 50%; left: 50%;
            transform: translate(-50%, -50%);
            font-size: 40px;
            color: white;
            animation: iconPulse 1.5s ease-in-out infinite;
            text-shadow: 0 0 20px rgba(0,113,227,0.5);
        }
        
        @keyframes iconPulse {
            0%, 100% { transform: translate(-50%, -50%) scale(1); }
            50% { transform: translate(-50%, -50%) scale(1.15); }
        }
        
        .install-effect-text {
            font-size: 18px;
            font-weight: 600;
            color: white;
            letter-spacing: 0.03em;
            text-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }
        
        .install-effect-sub {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            text-shadow: 0 1px 4px rgba(0,0,0,0.2);
        }
        
        /* PC端适配 */
        @media (min-width: 768px) {
            .container { padding: 25px; }
            
            .app-header {
                flex-wrap: wrap;
                gap: 20px;
                padding: 25px;
                margin-bottom: 25px;
            }
            
            .app-icon-container {
                width: 100%;
                text-align: center;
                flex: none;
                margin-bottom: 10px;
            }
            
            .app-icon {
                max-width: 120px;
                height: auto;
                border-radius: 24px;
                margin: 0 auto 15px;
            }
            
            .button-group {
                flex-direction: row;
                justify-content: center;
                gap: 15px;
                max-width: 100%;
                margin: 0 auto 15px;
                flex-wrap: wrap;
            }
            
            .btn {
                width: auto;
                min-width: 180px;
                padding: 14px 24px;
                font-size: 16px;
            }
            
            .btn-icon {
                font-size: 20px;
                margin-right: 10px;
            }
            
            .app-main-info {
                flex: 1;
                min-width: 300px;
                margin-bottom: 15px;
            }
            
            .app-meta-info {
                flex: 1;
                min-width: 300px;
            }
            
            .app-info h1, .app-info p { text-align: center; }
            
            .compatibility-list {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                gap: 10px;
            }
            
            .extra-buttons {
                grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
                gap: 12px;
            }
            
            .info-grid { grid-template-columns: repeat(2, 1fr); }
            
            .screenshot { max-height: 250px; height: auto; border-radius: 12px; }
            
            .section { padding: 25px; margin-bottom: 20px; }
            
            /* 分类导航适配 */
            .category-list {
                justify-content: center;
                gap: 6px;
            }
            
            .category-item a {
                padding: 10px 22px;
                font-size: 14px;
            }
            
            /* 兼容性网格适配 */
            .compatibility-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        /* 大屏幕优化 */
        @media (min-width: 992px) {
            .app-header {
                flex-wrap: nowrap;
                gap: 25px;
                padding: 30px;
            }
            
            .app-icon-container {
                width: auto;
                flex: 0 0 160px;
                text-align: center;
                margin-bottom: 0;
            }
            
            .app-icon {
                max-width: 120px;
                height: auto;
                border-radius: 24px;
                margin: 0 auto 15px;
            }
            
            .button-group {
                flex-direction: column;
                align-items: center;
                gap: 12px;
                margin: 0;
            }
            
            .btn {
                min-width: 160px;
                width: 100%;
            }
            
            .app-main-info {
                margin-bottom: 0;
            }
            
            .app-info h1, .app-info p {
                text-align: left;
            }
            
            .screenshot { max-height: 300px; height: auto; }
            
            /* 分类导航优化 */
            .category-item a {
                padding: 12px 26px;
                font-size: 15px;
            }
        }
        
        /* 超大屏幕优化 */
        @media (min-width: 1200px) {
            .container {
                max-width: 1000px;
            }
            
            .app-header {
                gap: 30px;
                padding: 30px;
            }
            
            .app-icon-container {
                flex: 0 0 180px;
            }
            
            .app-icon {
                max-width: 130px;
            }
            
            .screenshot {
                height: 350px;
            }
        }
        
        /* 隐藏按钮样式 */
        .hidden-btn {
            display: none !important;
            opacity: 0;
            pointer-events: none;
            position: absolute;
            top: -9999px;
            left: -9999px;
        }
        
        /* 触摸设备优化 */
        @media (hover: none) and (pointer: coarse) {
            /* 移除触摸设备上的悬停效果，提高性能 */
            .app-header:hover,
            .section:hover {
                transform: none;
                box-shadow: var(--glass-shadow);
                background: var(--glass-bg);
            }
            
            .screenshot:hover,
            .feature-item:hover,
            .compatibility-item:hover,
            .faq-item:hover,
            .installation-steps li:hover,
            .system-requirements li:hover,
            .description li:hover {
                transform: none;
            }
            
            /* 调整触摸设备上的按钮效果 */
            .btn:hover {
                transform: translateY(-2px) scale(1.02);
            }
        }
        
        /* 功能特点网格 */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            animation: fadeInUp 1s ease-out;
        }
        
        .feature-item {
            background: rgba(255,255,255,0.3);
            backdrop-filter: blur(12px) saturate(150%);
            -webkit-backdrop-filter: blur(12px) saturate(150%);
            padding: 20px;
            border-radius: 14px;
            transition: var(--transition);
            border-left: 4px solid var(--primary-color);
            border-top: 1px solid rgba(255,255,255,0.5);
            border-right: 1px solid rgba(255,255,255,0.3);
            border-bottom: 1px solid rgba(255,255,255,0.3);
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.4);
        }
        
        .feature-item:hover {
            background: rgba(255,255,255,0.45);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0,113,227,0.1), inset 0 1px 0 rgba(255,255,255,0.6);
        }
        
        .feature-item h3 {
            margin-bottom: 10px;
            color: var(--primary-color);
            font-size: 18px;
        }
        
        .feature-item p {
            color: var(--text-secondary);
            line-height: 1.6;
            font-size: 15px;
        }
        
        /* 描述样式 */
        .description {
            font-size: clamp(15px, 4vw, 16px);
            line-height: 1.7;
            color: var(--text-color);
            animation: fadeInUp 1.2s ease-out;
        }
        
        .description p {
            margin-bottom: 20px;
            transition: var(--transition);
            font-weight: 400;
        }
        
        .description ul {
            margin-left: 24px;
            margin-bottom: 20px;
        }
        
        .description li {
            margin-bottom: 10px;
            transition: var(--transition);
            font-weight: 400;
        }
        
        .description li:hover {
            color: var(--primary-color);
            transform: translateX(2px);
        }
        
        /* 截图容器 */
        .screenshot-container {
            display: flex;
            align-items: center;
            overflow-x: auto;
            gap: 12px;
            padding-bottom: 12px;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            animation: fadeInUp 1.2s ease-out;
            margin-bottom: 20px;
        }
        
        .screenshot-container::-webkit-scrollbar {
            display: none;
        }
        
        .screenshot {
            width: auto;
            height: auto;
            border-radius: 14px;
            box-shadow: var(--glass-shadow);
            border: 1px solid var(--glass-border);
            flex: 0 0 auto;
            transition: var(--transition);
            cursor: pointer;
        }
        
        .screenshot:hover {
            transform: scale(1.02);
            box-shadow: var(--glass-shadow-hover);
        }
        
        /* 移动端触摸目标优化 */
        @media (max-width: 767px) {
            /* 确保所有可点击元素的触摸目标至少44x44像素 */
            a, button, input, select, textarea {
                min-height: 44px;
                min-width: 44px;
            }
            
            /* 导航菜单项优化 */
            .category-item a {
                padding: 9px 14px;
                font-size: 13px;
            }
            
            /* 按钮优化 */
            .btn {
                padding: 14px 20px;
                font-size: 15px;
            }
            
            /* 内容间距优化 */
            .section {
                padding: 20px;
                margin-bottom: 20px;
            }
            
            /* 应用头部优化 */
            .app-header {
                padding: 15px;
                gap: 12px;
            }
            
            /* 手机端左右比例调整 */
            .app-main-info {
                flex: 3;
                min-width: 0;
            }
            
            .app-meta-info {
                flex: 2;
                min-width: 0;
            }
            
            .app-info h1 {
                font-size: 20px;
                text-align: left;
            }
            
            .app-info p {
                font-size: 14px;
                text-align: left;
                margin-bottom: 12px;
            }
            
            .compatibility-item {
                padding: 10px;
                font-size: 13px;
            }
            
            .compatibility-item strong {
                font-size: 13px;
            }
            
            .extra-note {
                padding: 10px;
                font-size: 13px;
            }
            
            .extra-buttons .btn {
                padding: 10px 14px;
                font-size: 13px;
            }
            
            /* 悬浮按钮位置优化 */
            .floating-service-btn {
                top: 20%;
                bottom: auto;
                right: 20px;
            }
            
            /* 图片尺寸优化 */
            .app-icon {
                max-width: 100px;
                height: auto;
                border-radius: 20px;
            }
            
            .screenshot {
                height: 240px;
                width: auto;
                border-radius: 16px;
            }
        }
        
        /* 平板设备适配 */
        @media (min-width: 768px) and (max-width: 991px) {
            .screenshot {
                height: 250px;
            }
            
            .app-icon {
                max-width: 90px;
                height: auto;
                border-radius: 18px;
            }
            
            .floating-service-btn {
                top: 180px;
                right: 25px;
            }
        }
        
        @media (min-width: 768px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (min-width: 992px) {
            .features-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }