/* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }
        
        html, body {
            height: 100%;
            overflow: hidden;
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: #fff;
            color: #fff;
            user-select: none;
            touch-action: manipulation;
        }
        
        /* 主要容器 */
        #pageWrapper {
            position: relative;
            width: 100%;
            height: 100vh;
            transform: translateY(0);
            transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
            will-change: transform;
        }
        
        /* 页面样式 */
        .page {
            position: relative;
            width: 100%;
            height: 100vh;
            overflow: hidden;
            display: flex;
            justify-content: center;
            align-items: center;
            background-color: #fff;
        }
        
        .page-image {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
            opacity: 0;
            transition: opacity 0.4s ease-in-out;
        }
        
        .page.fade-in .page-image {
            opacity: 1;
        }
        
        /* 滑动提示 */
        .swipe-down-hint {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            opacity: 1;
            transition: opacity 0.3s ease;
        }
        
        .swipe-down-hint i {
            font-size: 24px;
            margin-bottom: 8px;
            animation: bounce 2s infinite;
            color: #ffd700;
        }
        
        .swipe-down-hint span {
            font-size: 14px;
            color: rgba(0, 0, 0, 0.5);
        }
        
        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        
        /* 导航菜单 */
        #navMenu {
            position: fixed;
            top: 0;
            right: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.9);
            z-index: 1000;
            transform: translateX(100%);
            transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        }
        
        #navMenu.active {
            transform: translateX(0);
        }
        
        #navToggle {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1001;
            width: 40px;
            height: 40px;
            background: rgba(0, 0, 0, 0.5);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        #navToggle:hover {
            background: rgba(0, 0, 0, 0.7);
        }
        
        #navToggle i {
            color: white;
            font-size: 20px;
        }
        
        #navItems {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80%;
            max-height: 80%;
            overflow-y: auto;
            padding: 20px;
        }
        
        .nav-item {
            padding: 15px 0;
            font-size: 22px;
            color: rgba(255, 255, 255, 0.7);
            cursor: pointer;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .nav-item:last-child {
            border-bottom: none;
        }
        
        .nav-item:hover, .nav-item.active {
            color: #ffd700;
        }
        
        .nav-item i {
            margin-right: 15px;
            font-size: 18px;
        }
        
        /* 音乐控制 */
        #musicControl {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 1001;
            width: 40px;
            height: 40px;
            background: rgba(0, 0, 0, 0.5);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        #musicControl:hover {
            background: rgba(0, 0, 0, 0.7);
        }
        
        #musicIcon {
            color: #ffd700;
            font-size: 18px;
            transition: transform 0.3s ease;
        }
        
        #musicIcon.fa-spin {
            animation: rotate 2s linear infinite;
        }
        
        #musicIcon.pause {
            color: rgba(255, 255, 255, 0.7);
        }
        
        #musicIcon.muted {
            color: #ff4444;
        }
        
        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        /* 音乐需要交互提示 */
        #musicNeedInteraction {
            position: fixed;
            bottom: 70px;
            right: 20px;
            background: rgba(255, 215, 0, 0.8);
            color: #000;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 14px;
            z-index: 1002;
            opacity: 0;
            display: flex;
            transition: opacity 0.3s ease;
        }
        
        /* 页面指示器 */
        #pageIndicator {
            position: fixed;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 999;
            display: none;
            flex-direction: column;
            gap: 8px;
        }
        
        .indicator-item {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .indicator-item.active {
            background: #ffd700;
            transform: scale(1.2);
        }
        
        /* 页码显示 */
        #pageNumbers {
            position: fixed;
            bottom: 20px;
            left: 20px;
            color: white;
            font-size: 16px;
            z-index: 999;
            background: rgba(0, 0, 0, 0.5);
            padding: 5px 12px;
            border-radius: 15px;
        }
        
        /* 初始交互覆盖层 */
        #initInteractionOverlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.9);
            z-index: 2000;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 1;
            transition: opacity 0.3s ease;
        }
        
        .interaction-content {
            text-align: center;
            padding: 20px;
        }
        
        .interaction-title {
            font-size: 28px;
            color: #ffd700;
            margin-bottom: 20px;
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
        }
        
        .interaction-instruction {
            font-size: 18px;
            color: white;
            margin-bottom: 30px;
            line-height: 1.5;
        }
        
        .interaction-button {
            background: #ffd700;
            color: #000;
            border: none;
            padding: 12px 40px;
            font-size: 20px;
            border-radius: 30px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: bold;
        }
        
        .interaction-button:hover {
            background: #ffcc00;
            transform: scale(1.05);
        }
        
        /* 响应式调整 */
        @media (min-width: 768px) {
            .nav-item {
                font-size: 26px;
                padding: 20px 0;
            }
            
            #navToggle, #musicControl {
                width: 50px;
                height: 50px;
            }
            
            #musicIcon {
                font-size: 22px;
            }
            
            .swipe-down-hint i {
                font-size: 28px;
            }
            
            .swipe-down-hint span {
                font-size: 16px;
            }
        }
        
        /* 滚动条样式 */
        ::-webkit-scrollbar {
            width: 6px;
        }
        
        ::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.1);
        }
        
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 215, 0, 0.5);
            border-radius: 3px;
        }
        
        ::-webkit-scrollbar-thumb:hover {
            background: #ffd700;
        }

        /* 隐藏滚动条但允许滚动 */
        #navItems::-webkit-scrollbar {
            display: none;
        }
        
        #navItems {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }