.qapp{--app-nav-h:var(--main-nav-hight,80px);--app-panel:rgba(245,245,245,0.8);--app-text:#333;--app-text-soft:#666;--app-shadow:rgba(0,0,0,0.1);--app-warn:#e05b5b}.io-black-mode .qapp{--app-panel:rgba(45,46,47,0.9);--app-text:#b4b8bf;--app-text-soft:#8d9199;--app-shadow:rgba(0,0,0,0.5);--app-warn:#ff8a8a}.qapp *,.qapp *::before,.qapp *::after{box-sizing:border-box}.qapp img{border:none;height:auto;max-height:none;max-width:100%}.qapp a{text-decoration:none}.qapp .download-btn{position:relative;overflow:hidden;background-color:var(--theme-color);border-radius:50px;box-shadow:0 6px 16px rgba(var(--theme-color-rgb),0.32);color:#fff;cursor:pointer;font-size:15px;padding:8px 25px;text-align:center;transition:background-color .3s ease,box-shadow .25s ease,transform .25s ease}.qapp .download-btn::after{content:"";position:absolute;top:0;left:0;width:60%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,0.45),transparent);transform:translateX(-160%) skewX(-20deg);transition:transform .55s ease;pointer-events:none}.qapp .download-btn:hover{box-shadow:0 4px 14px rgba(var(--theme-color-rgb),0.35);transform:translateY(-1px) scale(1.04)}.qapp .download-btn:hover::after{transform:translateX(320%) skewX(-20deg)}.qapp .back-home-link .download-btn{background-color:transparent;box-shadow:inset 0 0 0 1px var(--theme-color);color:var(--theme-color)}.qapp .back-home-link .download-btn::after{content:none}.qapp .back-home-link .download-btn:hover{background-color:rgba(var(--theme-color-rgb),0.1);box-shadow:inset 0 0 0 1px var(--hover-color);color:var(--hover-color)}.download-link-mobile,.back-home-link{display:block;margin-left:auto;margin-right:auto;width:280px}.mobile_preview{width:100%;text-align:center;margin-bottom:5px}.mobile_preview img{height:auto;width:200px}#boox_web{box-sizing:border-box;display:none;flex-direction:column;justify-content:flex-start;min-height:calc(100vh - var(--app-nav-h) - 120px);padding:10px env(safe-area-inset-right,8px) 8px env(safe-area-inset-left,8px);width:100%;margin:0 auto}.content_web{align-items:center;display:flex;flex:1;flex-direction:column;justify-content:center;padding:8px env(safe-area-inset-right,0) 80px env(safe-area-inset-left,0)}.logo_web{margin-bottom:10px;text-align:center;width:100%}.logo_web img{border-radius:20px;box-shadow:0 3px 15px var(--app-shadow);height:90px;margin-top:-20px;width:90px}.logo_web h1{color:var(--app-text);font-size:20px;font-weight:700;margin-top:12px}.xiazai_web{margin:10px auto;max-width:280px;width:auto}.xiazai_tip{color:var(--app-warn);font-size:13px;line-height:1.6;margin:10px auto 0;max-width:280px;text-align:center}.xiazai_tip[hidden]{display:none}#banben_web{color:var(--app-text-soft);font-size:14px;text-align:center;width:100%}#banben_web p{margin:8px 0}#boox_pc{align-items:center;box-sizing:border-box;display:flex;justify-content:center;min-height:calc(100vh - var(--app-nav-h) - 200px);padding:40px 15px;width:100%}.left_pc{align-items:center;display:flex;gap:64px;justify-content:center;width:auto}.right_pc{flex:0 1 500px;max-width:520px;min-width:300px;width:auto}.left_pc img{border-radius:15px;height:auto;max-width:320px}.right_logo_pc{align-items:center;display:flex}.right_logo_pc img{border-radius:12px;box-shadow:0 3px 15px var(--app-shadow);margin-right:12px;width:85px}.right_title_pc{background-image:linear-gradient(120deg,var(--theme-color),var(--hover-color));background-clip:text;-webkit-background-clip:text;color:transparent;font-size:20px;font-weight:700;margin-bottom:2px}.right_span_pc{color:var(--app-text);font-size:15px}.right_text_pc{color:var(--app-text);font-size:15px;line-height:24px;margin-bottom:10px;width:100%}.right_banb_pc{background-color:var(--app-panel);border-radius:10px;color:var(--app-text);font-size:13px;line-height:1.6;margin-top:5px;padding:12px 14px;transition:background-color .3s ease}.right_banb_pc strong{color:var(--theme-color)}.right_banb_pc p{margin:5px 0}.right_banb_pc p:first-child{color:var(--theme-color);font-weight:700}.right_ewm_pc{align-items:center;display:flex;margin-top:10px}.right_ewm_pc img{border-radius:10px;box-shadow:0 3px 10px var(--app-shadow);margin-right:16px;width:100px}.right_xiazai_pc{flex-shrink:0;min-width:120px}.qapp-guide-close{background-color:rgba(255,255,255,0.18);border:1px solid rgba(255,255,255,0.65);border-radius:50px;bottom:18px;color:#fff;cursor:pointer;font-size:14px;left:50%;line-height:1;padding:9px 28px;position:absolute;transform:translateX(-50%)}.qapp-guide-close:hover{background-color:rgba(255,255,255,0.32)}.qapp-guide-close:focus-visible{outline:2px solid #fff;outline-offset:2px}@media (max-width:992px){.left_pc img{max-width:400px}.right_title_pc{font-size:24px}.right_text_pc{font-size:16px;line-height:26px}}@media (max-width:768px){#boox_pc{display:none}#boox_web{display:flex}}