:root{--red: #d70b12;--red-dark: #b6060c;--ink: #111214;--text: #1f2530;--muted: #7b8493;--soft: #f5f6f8;--soft-2: #fafafa;--line: #e5e7eb;--line-2: #edf0f3;--white: #fff;--shadow-soft: 0 14px 34px rgba(20, 26, 38, .06);font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html,body,#app{width:100%;min-height:100%;margin:0}body{color:var(--text);background:#fff;font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0;transition:background .16s ease,border-color .16s ease,color .16s ease,box-shadow .16s ease,transform .16s ease}a{color:inherit;text-decoration:none}.xh-topbar{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 22px 0 24px;border-bottom:1px solid var(--line);background:#fffffff5;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:20}.xh-brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);font-size:20px;font-weight:800;white-space:nowrap}.xh-brand img{width:36px;height:36px;object-fit:contain}.xh-button-primary{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 18px;border-radius:8px;color:#fff;background:var(--red);font-size:14px;font-weight:800}.xh-button-primary:hover{background:var(--red-dark)}.xh-card{border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:var(--shadow-soft)}button:active{transform:translateY(1px) scale(.99)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:0;box-shadow:0 0 0 3px #d70b121a}::selection{color:#fff;background:var(--red)}