.trial-banner{position:relative;z-index:4;padding:10px 18px;text-align:center;font:12px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:#e1d2ae;background:#24271f;letter-spacing:.3px}
.sender-guide{position:sticky;top:0;z-index:25;max-width:430px;margin:0 auto;padding:13px 22px;background:#ede6d7;color:#33302b;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;font-size:14px;line-height:1.7;border-bottom:1px solid #b2814660}
.sender-guide p{font-size:12px;margin-top:4px}
.status-notice{position:fixed;top:0;left:0;right:0;z-index:20;background:#ede6d7;color:#33302b;text-align:center;padding:10px 16px;font:12px/1.7 -apple-system,sans-serif}.status-notice[hidden]{display:none}
.unavailable{position:fixed;inset:0;z-index:10000;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px;background:#11110d;color:#dbcead}
.unavailable[hidden]{display:none}.unavailable h1{font:24px/1.8 "Songti SC",serif}.unavailable p{font:15px/1.9 -apple-system,sans-serif;max-width:340px}
.message-page{margin:0;min-height:100vh;display:grid;place-items:center;background:#11110d;color:#ddd1b0;text-align:center;font:15px/1.9 -apple-system,"PingFang SC",sans-serif}.message-page main{padding:36px;max-width:380px}.message-page h1{font:32px/1.8 "Songti SC",serif;letter-spacing:6px}