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

        body {
            font-family: 'Segoe UI', 'Poppins', system-ui, -apple-system, sans-serif;
            min-height: 100vh;
            background: linear-gradient(135deg, #0a1a1f 0%, #1a2a3a 50%, #0a1a1f 100%);
            color: white;
            overflow: auto;
            -webkit-overflow-scrolling: touch;
        }

        /* 视频背景 */
        .video-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -2;
            overflow: hidden;
        }
        .video-container video {
            position: absolute;
            top: 50%;
            left: 50%;
            min-width: 100%;
            min-height: 100%;
            width: auto;
            height: auto;
            transform: translate(-50%, -50%);
            object-fit: cover;
            opacity: 0.4;
        }
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(10,26,31,0.9) 0%, rgba(26,42,58,0.85) 50%, rgba(10,26,31,0.9) 100%);
            z-index: -1;
        }

        /* 头部 */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
            z-index: 100;
            background: rgba(0,0,0,0.3);
            backdrop-filter: blur(10px);
        }

        .back-btn {
            padding: 0.6rem 1.5rem;
            background: rgba(255,255,255,0.1);
            border-radius: 20px;
            font-size: 0.9rem;
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid rgba(255,255,255,0.2);
            backdrop-filter: blur(10px);
            cursor: pointer;
        }

        .back-btn:hover {
            background: rgba(255,255,255,0.2);
            transform: translateX(-4px);
        }

        .title-container {
            text-align: center;
        }

        .title {
            font-size: clamp(1.2rem, 4vw, 1.8rem);
            font-weight: 700;
            background: linear-gradient(135deg, #fff, #ffd89b, #c7e9fb);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
        }

        /* 游戏容器 */
        .game-container {
            position: relative;
            width: 100%;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: flex-start;
            padding-top: 80px;
            padding-bottom: 20px;
            overflow-x: auto;
            overflow-y: auto;
        }

        .game-wrapper {
            position: relative;
            background: rgba(0,0,0,0.5);
            border-radius: 16px;
            overflow: visible;
            border: 1px solid rgba(255,255,255,0.1);
            box-shadow: 0 8px 32px rgba(0,0,0,0.3);
            margin: 1rem;
        }

        .game-wrapper iframe {
            width: 1000px;
            height: 600px;
            border: none;
            display: block;
        }

        /* ========== 移动端竖屏提示界面 ========== */
        .landscape-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 50%, #0a0a1a 100%);
            z-index: 1000;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 2rem;
        }

        .landscape-icon {
            font-size: 6rem;
            margin-bottom: 2rem;
            animation: rotatePhone 2s ease-in-out infinite;
        }

        @keyframes rotatePhone {
            0%, 100% { transform: rotate(0deg); }
            25% { transform: rotate(-90deg); }
            75% { transform: rotate(-90deg); }
        }

        .landscape-title {
            font-size: clamp(1.5rem, 6vw, 2.5rem);
            font-weight: 700;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #fff, #ffd89b, #c7e9fb);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
        }

        .landscape-desc {
            font-size: clamp(1rem, 4vw, 1.3rem);
            color: rgba(255,255,255,0.7);
            max-width: 300px;
            line-height: 1.6;
        }

        .landscape-hint {
            margin-top: 2rem;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.5);
        }

        /* 响应式 */
        @media (max-width: 680px) {
            .header {
                padding: 0.8rem 1rem;
            }
            
            .back-btn {
                padding: 0.5rem 1rem;
                font-size: 0.8rem;
            }
            
            .title {
                font-size: 1.2rem;
            }
        }

        /* 移动端横屏适配 */
        @media (max-width: 768px) and (orientation: portrait) {
            .landscape-overlay {
                display: flex;
            }
            
            .header,
            .game-container {
                display: none;
            }
        }

        @media (max-width: 768px) and (orientation: landscape) {
            .game-wrapper iframe {
                width: 100vw;
                height: calc(100vh - 80px);
            }
            
            .game-container {
                padding-top: 60px;
                padding-bottom: 0;
                align-items: center;
            }
            
            .game-wrapper {
                margin: 0;
                border-radius: 0;
                border: none;
                box-shadow: none;
            }
        }