:root{color-scheme:light;font-family:Source Han Sans,Noto Sans SC,Helvetica Neue,Arial,sans-serif}body{margin:0;background:#fff}.trend-frame{width:840px;padding:0 20px;box-sizing:border-box;display:flex;flex-direction:column;background:#fff}.trend-header{display:flex;width:100%;flex-direction:column;padding:10px 0 6px}.trend-title{display:flex;align-items:baseline;gap:10px;font-size:16px;font-weight:600;color:#333;margin-bottom:8px}.trend-title span{display:inline-block;border-bottom:2px solid #f44446}.skin-black{color:#333}.skin-black .trend-title{color:#fff}.trend-subtitle{font-size:12px;font-weight:400;color:#6c7484}.trend-controls{display:flex;align-items:center;justify-content:space-between;gap:12px}.range-tabs{display:flex;gap:6px;border-bottom:2px solid #ddd;padding-bottom:2px}.range-tabs button{padding:4px 10px;border:none;background:transparent;color:#333;font-size:14px;line-height:1.5;font-family:arial,微软雅黑,微软雅黑;cursor:pointer;position:relative;transition:color .2s ease}.range-tabs button:after{content:"";position:absolute;bottom:-4px;left:0;right:0;height:2px;background:transparent;transition:background .2s ease}.range-tabs button.active{color:#0a85ff}.range-tabs button.active:after{background:#0a85ff}.compare-select{display:flex;align-items:center;gap:6px;font-size:12px;color:#4b5362}.compare-select select{padding:4px 8px;border-radius:6px;border:1px solid #cfd6e2;font-size:12px;color:#1b1f2a;background:#fff}.trend-chart-wrapper{position:relative;flex:1;min-height:0}.trend-chart{width:800px;height:332px;padding-left:20px}.trend-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:12px;color:#6c7484;background:#ffffffb3;z-index:1;pointer-events:none}.trend-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:12px;color:#9aa3b2;background:#ffffffd9;z-index:1;pointer-events:none}