.product-container { max-width: 800px; margin: 0 auto; padding: 0px; font-family: Arial, sans-serif; } .product-description { margin-bottom: 18px; /* 减小与色块区域的距离 */ line-height: 1.6; } .product-features { background-color: #f5f5f5; /* 色块背景颜色 */ padding: 15px; border-radius: 8px; } .product-features ul { list-style-type: none; padding: 0; margin: 0; } .product-features li { margin-bottom: 10px; padding-left: 20px; position: relative; } .product-features li:before { content: "•"; color: #333; font-weight: bold; position: absolute; left: 0; } .product-features li strong { font-weight: bold; } .product-features li span { color: #666; } Pure Sound Unleashed: HiFi Audio, Wireless Freedom, Built to Last. HiFi Sound Clarity (JAS) : Supports DSD128/FLAC/WAV formats with a 103dB SNR audio chip—studio-grade clarity for distortion-free playback. Wireless & Wired Versatility: AptX HD Bluetooth for CD-quality streaming or USB-DAC mode to boost PC/phone audio. Pro-Grade Portability: 2.0-inch HD touchscreen + ALPS scroll wheel in a zinc alloy body—built for gym, travel, and daily durability. Massive Offline Library:256GB expandable storage holds 14,999+ lossless tracks, ideal for flights or remote adventures. All-Day Playback Power: 10-hour battery optimized for Hi-Res audio, ensuring marathon listening without interruptions.