[0602 version iteration update content]

• Changed style of the Home page of PC's official website.
• Added new entrance of customer service: help center, zendesk page.
• Added tutorials on the right side of the PC: product introduction, FAQ, new-user manual.
• Adjusted the style of the wealth management products page.
• Adjusted fonts of the chatroom.
• PC's Wealth Management button optimization: the previous button was unclear.
• We adjusted inappropriate translations for both PC and Application.
• Partner promotion: add "partner promotion" entrance to the PC's navigation bar.
• All name of 'asset password' is changed to 'capital password'.
• P2P function: Make the visual enhancement of the 'cancel' button of P2P trading orders.
• APP&PC snowball graphic introduction loading problem: optimized the loading style.
• PC&APP KYC optimization: ① country default to India; ② add a text description of uploaded documents.
• Fiat currency trading: replaced the translation.
• Partner promotion logic changed.
• P2P page - add text:  all merchants are verified by EasyCoins.
• Optimization: ① Changed chat room translation for Android and iOS; ② Assets-USDT: Add a quick buy button and click to jump to the P2P interface.
• Adjustment of fiat currency trading: modify the style of P2P entrance in the PC navigation bar.