/* APP下载页面专用样式 - 全新类名 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body.app-page-body {
            font-family: "Microsoft YaHei", Arial, sans-serif;
            color: #333;
            line-height: 1.6;
            background-color: #F5F6FA;
        }
        
        .app-page-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        a.app-page-link {
            text-decoration: none;
            color: inherit;
        }
        
        ul.app-page-list {
            list-style: none;
        }
        
        /* 顶部导航 */
        .app-page-header {
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
        }
        
        .app-header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        
        .app-logo img {
            height: 40px;
            width: auto;
        }
        
        .app-main-nav {
            display: flex;
            gap: 30px;
        }
        
        .app-main-nav li {
            position: relative;
        }
        
        .app-nav-link {
            color: #333;
            font-weight: 500;
            padding: 8px 0;
            display: flex;
            align-items: center;
            transition: color 0.3s;
        }
        
        .app-nav-link:hover {
            color: #d4af37;
        }
        
        .app-nav-link i {
            margin-left: 5px;
            font-size: 12px;
        }
        
        .app-dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            background-color: #fff;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s;
            z-index: 100;
        }
        
        .app-main-nav li:hover .app-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .app-dropdown li {
            border-bottom: 1px solid #f0f0f0;
        }
        
        .app-dropdown li:last-child {
            border-bottom: none;
        }
        
        .app-dropdown a {
            padding: 12px 20px;
            display: block;
            white-space: nowrap;
        }
        
        .app-dropdown a:hover {
            background-color: #f9f9f9;
        }
        
        .app-header-buttons {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .app-header-btn {
            padding: 8px 20px;
            border-radius: 4px;
            font-weight: 500;
            transition: all 0.3s;
        }
        
        .app-login-btn {
            color: #333;
            border: 1px solid #ddd;
        }
        
        .app-login-btn:hover {
            border-color: #d4af37;
            color: #d4af37;
        }
        
        .app-register-btn {
            background-color: #d4af37;
            color: #fff;
            border: 1px solid #d4af37;
        }
        
        .app-register-btn:hover {
            background-color: #c19b2e;
            border-color: #c19b2e;
        }
        
        .app-mobile-toggle {
            display: none;
            font-size: 24px;
            cursor: pointer;
        }
        
        /* 页面主banner */
        .app-hero {
            background: linear-gradient(167deg, #ff8585, #d1a60e);
            color: white;
            padding: 100px 20px 60px;
            text-align: center;
        }
        
        .app-hero-title {
            font-size: 42px;
            margin-bottom: 20px;
            font-weight: bold;
        }
        
        .app-hero-subtitle {
            font-size: 20px;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        
        /* 下载内容区域 */
        .app-download-section {
            padding: 60px 0;
        }
        
        .app-content-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 50px;
            align-items: center;
            justify-content: center;
        }
        
        .app-left-content {
            flex: 1;
            min-width: 300px;
            max-width: 500px;
        }
        
        .app-features-list {
            margin: 30px 0;
        }
        
        .app-feature-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 20px;
            gap: 15px;
        }
        
        .app-feature-icon {
            background-color: #ffc302;
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        
        .app-feature-text h4 {
            margin-bottom: 5px;
            color: #333;
        }
        
        .app-feature-text p {
            color: #666;
            font-size: 14px;
        }
        
        .app-right-content {
            flex: 1;
            min-width: 300px;
            max-width: 400px;
            text-align: center;
        }
        
        .app-qrcode {
            background-color: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            margin-bottom: 30px;
        }
        
        .app-qrcode img {
            max-width: 200px;
            margin: 0 auto 15px;
            display: block;
        }
        
        .app-qrcode-title {
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        .app-qrcode-desc {
            color: #666;
            font-size: 14px;
        }
        
        .app-buttons {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .app-download-btn {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 15px 25px;
            background-color: #333;
            color: white;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s;
            min-width: 180px;
            justify-content: center;
        }
        
        .app-download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        
        .app-ios-btn {
            background-color: #000;
        }
        
        .app-android-btn {
            background-color: #db2525;
        }
        
        .app-btn-icon {
            font-size: 24px;
        }
        
        /* 功能介绍区域 */
        .app-features-section {
            padding: 60px 0;
            background-color: #fff;
        }
        
        .app-section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .app-section-title h2 {
            font-size: 32px;
            color: #333;
            margin-bottom: 15px;
        }
        
        .app-section-title p {
            color: #666;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .app-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .app-feature-card {
            background-color: #f9f9f9;
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            transition: transform 0.3s;
        }
        
        .app-feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        
        .app-card-icon {
            font-size: 40px;
            color: #d4af37;
            margin-bottom: 20px;
        }
        
        .app-card-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 15px;
            color: #333;
        }
        
        .app-card-desc {
            color: #666;
            font-size: 14px;
            line-height: 1.6;
        }
        
        /* 底部样式 */
        .app-footer {
            background-color: #222;
            color: #aaa;
            padding: 50px 0 20px;
        }
        
        .app-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        
        .app-footer-logo img {
            height: 40px;
            margin-bottom: 15px;
        }
        
        .app-footer-column h3 {
            color: #fff;
            font-size: 18px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #444;
        }
        
        .app-footer-links li {
            margin-bottom: 10px;
        }
        
        .app-footer-links a {
            color: #aaa;
            transition: color 0.3s;
        }
        
        .app-footer-links a:hover {
            color: #d4af37;
        }
        
        .app-footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            text-align: center;
        }
        
        .app-footer-links-inline a {
            color: #aaa;
            margin: 0 10px;
            transition: color 0.3s;
        }
        
        .app-footer-links-inline a:hover {
            color: #d4af37;
        }
        
        .app-copyright {
            text-align: center;
            padding-top: 20px;
            margin-top: 20px;
            border-top: 1px solid #333;
            color: #777;
            font-size: 14px;
        }
        
        /* 侧边工具栏 */
        .app-side-tools {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .app-tool-item {
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            background-color: #fff;
            border-radius: 50%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .app-tool-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        
        .app-tool-item i {
            font-size: 24px;
            color: #d4af37;
        }
        
        .app-tool-item span {
            position: absolute;
            bottom: -25px;
            font-size: 12px;
            color: #666;
            white-space: nowrap;
        }
        
        .app-tool-top {
            background-color: #333;
        }
        
        .app-tool-top i {
            color: #fff;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .app-main-nav {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #fff;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            }
            
            .app-main-nav.active {
                display: flex;
            }
            
            .app-dropdown {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                margin-left: 15px;
                margin-top: 10px;
                display: none;
            }
            
            .app-main-nav li:hover .app-dropdown {
                display: block;
            }
            
            .app-mobile-toggle {
                display: block;
            }
            
            .app-hero-title {
                font-size: 32px;
            }
            
            .app-hero-subtitle {
                font-size: 18px;
            }
            
            .app-content-wrapper {
                flex-direction: column;
            }
            
            .app-left-content,
            .app-right-content {
                max-width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            .app-hero {
                padding: 80px 15px 40px;
            }
            
            .app-hero-title {
                font-size: 28px;
            }
            
            .app-hero-subtitle {
                font-size: 16px;
            }
            
            .app-features-grid {
                grid-template-columns: 1fr;
            }
            
            .app-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .app-download-btn {
                width: 100%;
                max-width: 300px;
            }
            
            .app-footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        
        @media (max-width: 480px) {
            .app-header-inner {
                padding: 0 10px;
            }
            
            .app-header-buttons {
                gap: 10px;
            }
            
            .app-header-btn {
                padding: 6px 12px;
                font-size: 14px;
            }
            
            .app-page-container {
                padding: 0 10px;
            }
            
            .app-qrcode {
                padding: 20px;
            }
        }