#app,body,html{height:100%;margin:0}:root{--primary-color:#4a90d9;--secondary-color:#6dd5c3;--bg-color:#f5f7fa;--card-color:#fff;--text-main:#333;--text-secondary:#999;--success-color:#67c23a;--warning-color:#e6a23c;--danger-color:#f56c6c;--radius-card:12px;--radius-button:24px;--radius-bubble:16px;--page-padding:16px;--item-gap:12px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{background:radial-gradient(circle at top right,rgba(109,213,195,.3),transparent 30%),linear-gradient(180deg,#eef6ff 0,var(--bg-color) 45%,#f7fbff 100%);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}img{max-width:100%}.page{min-height:100%;padding:var(--page-padding);padding-bottom:calc(76px + env(safe-area-inset-bottom))}.card{background:hsla(0,0%,100%,.92);border-radius:var(--radius-card);box-shadow:0 12px 24px rgba(74,144,217,.08)}.section-title{font-size:18px;font-weight:600;margin:0 0 12px}.muted{color:var(--text-secondary);font-size:12px}.van-button{min-height:44px}