.detail-back-to-top{position:fixed;right:max(1rem,env(safe-area-inset-right));bottom:max(1rem,env(safe-area-inset-bottom));z-index:30;display:none;align-items:center;justify-content:center;flex-direction:column;gap:2px;min-width:76px;min-height:76px;padding:8px;border:1px solid #36566b;border-radius:12px;background:#f7f7f2;color:#36566b;box-shadow:0 3px 12px rgb(32 40 45/12%);font-family:Microsoft YaHei,PingFang SC,sans-serif;font-size:12px;line-height:1.4;text-align:center}body:has(.portfolio-detail) .detail-back-to-top{display:flex}.detail-back-to-top-en{font-size:11px}.detail-back-to-top:hover{background:#e9ede2}.detail-back-to-top:focus-visible{outline:3px solid #36566b;outline-offset:4px}@media (max-width:700px){body:has(.portfolio-detail) .main-content{padding-bottom:calc(7rem + env(safe-area-inset-bottom))}}@media print{body:has(.portfolio-detail) .detail-back-to-top{display:none}}