*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body.picker-sheet-open{overflow:hidden}.picker-trigger-wrap{position:relative;width:100%}.picker-trigger{width:100%;padding:12px 32px 12px 12px;border:1px solid var(--border, #ccc);border-radius:8px;background:var(--input-bg, #fff);color:var(--text, #111);font-size:15px;line-height:1.4;cursor:pointer;-webkit-tap-highlight-color:transparent}.picker-trigger::placeholder{color:var(--muted, #b0b0b0)}.picker-trigger-arrow{position:absolute;right:14px;top:50%;width:8px;height:8px;margin-top:-5px;border-right:1.5px solid var(--muted, #999);border-bottom:1.5px solid var(--muted, #999);transform:rotate(45deg);pointer-events:none}.picker-sheet-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9000;background:#00000073;display:flex;align-items:flex-end;justify-content:center;padding-bottom:env(safe-area-inset-bottom,0)}.picker-sheet{width:100%;max-width:700px;max-height:min(68vh,520px);background:var(--surface, #fff);color:var(--text, #111);border-radius:12px 12px 0 0;display:flex;flex-direction:column;overflow:hidden;animation:picker-sheet-in .28s ease-out}.picker-sheet--compact{max-height:min(50vh,380px)}@keyframes picker-sheet-in{0%{transform:translateY(100%)}to{transform:translateY(0)}}.picker-sheet-header{position:relative;flex-shrink:0;padding:16px 48px 12px;text-align:center;border-bottom:1px solid var(--border, #f0f0f0)}.picker-sheet-title{font-size:16px;font-weight:600;color:var(--text, #1a1a1a);letter-spacing:.02em}.picker-sheet-close{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:32px;height:32px;border:none;background:transparent;color:var(--muted, #999);font-size:22px;line-height:1;cursor:pointer;padding:0;-webkit-tap-highlight-color:transparent}.picker-sheet-tabs{flex-shrink:0;display:flex;align-items:flex-end;gap:20px;padding:0 16px;border-bottom:1px solid var(--border, #f0f0f0);min-height:44px}.picker-tab{position:relative;border:none;background:transparent;padding:12px 0 10px;font-size:15px;color:var(--muted, #666);cursor:pointer;white-space:nowrap;max-width:45%;overflow:hidden;text-overflow:ellipsis;-webkit-tap-highlight-color:transparent}.picker-tab--active{color:var(--accent2, #007aff);font-weight:500}.picker-tab--active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent2, #007aff);border-radius:1px}.picker-sheet-list{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:4px 0 calc(8px + env(safe-area-inset-bottom,0))}.picker-list-item{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:48px;padding:12px 20px;border:none;background:var(--surface, #fff);text-align:left;cursor:pointer;box-sizing:border-box;-webkit-tap-highlight-color:transparent}.picker-list-item:active{background:var(--accent-soft, #f5f7fa)}.picker-list-item-text{font-size:16px;color:var(--text, #1a1a1a);line-height:1.4}.picker-list-item--selected .picker-list-item-text{color:var(--accent2, #007aff);font-weight:500}.picker-list-item-check{flex-shrink:0;margin-left:12px;font-size:16px;color:var(--accent2, #007aff);font-weight:600}