.tool-rail{position:fixed;z-index:26;left:18px;top:50%;width:150px;padding:12px;border:1px solid rgba(213,222,239,.94);border-radius:22px;background:rgba(255,255,255,.94);box-shadow:0 18px 48px rgba(30,48,88,.15);backdrop-filter:blur(16px);transform:translateY(-50%)}.tool-rail-title{padding:3px 5px 11px;border-bottom:1px solid #e8ecf3}.tool-rail-title span,.tool-rail-title small{display:block}.tool-rail-title span{color:#1b2945;font-size:14px;font-weight:850}.tool-rail-title small{margin-top:1px;color:#919aaa;font-size:8px;font-weight:800;letter-spacing:.12em}.tool-rail nav{display:grid;gap:7px;margin-top:9px}.tool-rail-item{display:flex;align-items:center;gap:9px;min-height:54px;padding:8px;border:1px solid transparent;border-radius:14px;color:#35425c;text-decoration:none;transition:transform .16s ease,background .16s ease,border-color .16s ease}.tool-rail-item:hover{border-color:#cfdaf3;background:#f4f7ff;transform:translateX(2px)}.tool-rail-item.is-active{border-color:#b9c9f1;background:#edf3ff;color:#315edb}.tool-rail-icon{display:grid;flex:0 0 34px;height:34px;place-items:center;border-radius:11px;background:linear-gradient(145deg,#416ce0,#7795ee);color:#fff;font-size:18px;box-shadow:0 6px 14px rgba(49,94,219,.23)}.tool-rail-copy{min-width:0}.tool-rail-copy strong,.tool-rail-copy small{display:block}.tool-rail-copy strong{font-size:12px;white-space:nowrap}.tool-rail-copy small{margin-top:2px;color:#8791a3;font-size:9px;white-space:nowrap}.tool-rail-more{margin:10px 0 0;padding-top:9px;border-top:1px dashed #dfe5ef;color:#a0a8b6;font-size:9px;line-height:1.45;text-align:center}@media(max-width:1280px){.tool-rail{left:10px;width:64px;padding:8px}.tool-rail-title,.tool-rail-copy,.tool-rail-more{display:none}.tool-rail-item{justify-content:center;padding:6px}.tool-rail-icon{flex-basis:38px;height:38px}}@media(max-width:760px){body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}.tool-rail{top:auto;right:10px;bottom:calc(8px + env(safe-area-inset-bottom));left:10px;width:auto;padding:7px 10px;border-radius:18px;transform:none}.tool-rail-title,.tool-rail-more{display:none}.tool-rail nav{display:flex;gap:7px;margin:0;overflow-x:auto}.tool-rail-item{min-width:64px;min-height:52px;flex:0 0 auto;justify-content:center;padding:5px 9px}.tool-rail-copy{display:block}.tool-rail-copy strong{font-size:11px}.tool-rail-copy small{display:none}.tool-rail-icon{flex-basis:32px;height:32px;font-size:16px}}