.feedback-page { margin: 0; background: #f5f8fc; color: #25354b; font-family: Arial, "Microsoft YaHei", sans-serif; line-height: 1.65; }
.feedback-page *, #feedback-board *, .fb-dialog * { box-sizing: border-box; }
.feedback-page a { color: #347cc6; text-decoration: none; }
.feedback-page a:hover { text-decoration: underline; }
.fb-topbar { padding: 18px max(24px, calc((100vw - 1180px) / 2)); background: #fff; border-bottom: 1px solid #e4ebf3; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.fb-brand { font-weight: 700; font-size: 18px; color: #25354b !important; }
.fb-brand span { color: #7a899c; font-weight: 400; font-size: 14px; margin-left: 10px; }
.fb-account-actions { display: flex; align-items: center; gap: 14px; font-size: 14px; }
.fb-shell { max-width: 1180px; margin: 0 auto; padding: 44px 24px 20px; }
.fb-intro { padding: 4px 0 34px; }
.fb-eyebrow { color: #347cc6; font-size: 13px; font-weight: 700; letter-spacing: 2px; }
.fb-intro h1 { margin: 12px 0; font-size: clamp(27px, 3.5vw, 38px); line-height: 1.3; letter-spacing: -1px; }
.fb-intro p { margin: 0; color: #64748b; font-size: 15px; }
.fb-principles { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 22px; color: #64748b; font-size: 12px; }
.fb-principles span::before { content: '✓'; margin-right: 6px; color: #4a90e2; }
.fb-layout { display: grid; grid-template-columns: minmax(0, 1fr) 350px; gap: 28px; align-items: start; }
.fb-feed { min-width: 0; }
#feedback-board h2, .fb-dialog h2 { font-size: 18px; margin: 0; font-weight: 700; }
.fb-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.fb-toolbar h2 span { font-size: 12px; font-weight: 400; margin-left: 8px; }
.fb-tools { display: flex; align-items: center; gap: 8px; }
.fb-button, #feedback-board select { font: inherit; font-size: 13px; line-height: 1.5; background: #fff; color: #4d6079; border: 1px solid #dce4ee; border-radius: 7px; padding: 8px 13px; cursor: pointer; }
.fb-button:hover:not(:disabled) { border-color: #4a90e2; color: #347cc6; background: #f3f8ff; }
.fb-button:disabled { opacity: .5; cursor: default; }
.fb-primary { background: #4a90e2; color: #fff; border-color: #4a90e2; font-weight: 600; }
.fb-primary:hover:not(:disabled) { background: #357dcf; color: #fff; }
.fb-list { display: grid; gap: 14px; }
.fb-card { background: #fff; border: 1px solid #e0e8f1; border-radius: 12px; padding: 23px; min-width: 0; }
.fb-card h3 { font-size: 17px; line-height: 1.6; margin: 12px 0 8px; overflow-wrap: anywhere; }
.fb-card-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; color: #8290a3; font-size: 12px; }
.fb-status { display: inline-block; border-radius: 5px; padding: 3px 8px; font-size: 12px; font-weight: 500; background: #eef2f7; color: #65758b; }
.fb-status-in_progress { background: #eaf3ff; color: #347cc6; }
.fb-status-completed { background: #e8f6ef; color: #32865e; }
.fb-status-declined { background: #fff2e7; color: #a86b36; }
.fb-body { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 14px; color: #5e6e82; margin: 0 0 18px; }
.fb-card-footer { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding-top: 14px; border-top: 1px solid #f0f3f7; }
.fb-support[aria-pressed="true"] { background: #eaf3ff; border-color: #a9ccef; color: #2a70bb; }
.fb-muted { color: #76859a; font-size: 13px; }
.fb-compose { background: #fff; border: 1px solid #dce6f1; border-radius: 12px; padding: 24px; box-shadow: 0 8px 28px #233c6010; }
.fb-compose-heading { display: flex; align-items: center; gap: 10px; }
.fb-compose-icon { background: #edf5ff; color: #4a90e2; border-radius: 8px; padding: 2px 9px; font-size: 24px; }
.fb-compose > p { margin: 12px 0 22px; }
#fb-form label, #fb-login-form label { display: block; margin: 16px 0 8px; font-size: 13px; font-weight: 600; }
#fb-form input, #fb-form textarea, #fb-login-form input { width: 100%; border: 1px solid #dce4ee; border-radius: 7px; padding: 11px; background: #fcfdff; color: #25354b; font: inherit; font-size: 14px; line-height: 1.6; }
#fb-form textarea { resize: vertical; min-height: 160px; }
#feedback-board :focus-visible, .fb-dialog :focus-visible, .fb-topbar :focus-visible { outline: 2px solid #4a90e2; outline-offset: 3px; }
.fb-counter { display: block; text-align: right; font-size: 11px; color: #8694a5; }
.fb-notice { font-size: 12px; color: #79889a; margin: 17px 0; }
#fb-submit, #fb-login-submit { width: 100%; padding: 11px; }
.fb-draft-note { text-align: center; font-size: 11px; color: #8996a8; margin: 10px 0 0; }
.fb-pagination { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 24px; font-size: 12px; color: #7a889b; }
.fb-empty { text-align: center; padding: 55px 22px; border: 1px dashed #cfdceb; border-radius: 12px; color: #78879b; background: #ffffff80; font-size: 14px; }
.fb-message { padding: 12px 16px; border: 1px solid #bad8f5; border-radius: 8px; background: #eef6ff; color: #326ba3; font-size: 14px; margin: 0 0 20px; }
.fb-message.fb-error, .fb-error { color: #ae4141; }
.fb-footer { text-align: center; padding: 45px 10px 10px; font-size: 12px; color: #929fb0; }
.fb-dialog { border: 1px solid #dde6f0; border-radius: 14px; padding: 26px; width: min(420px, calc(100% - 32px)); color: #25354b; font-family: Arial, "Microsoft YaHei", sans-serif; box-shadow: 0 24px 80px #142a4933; }
.fb-dialog::backdrop { background: #142a4970; }
.fb-dialog-heading { display: flex; justify-content: space-between; align-items: center; gap: 15px; }
.fb-dialog-heading .fb-button { font-size: 20px; padding: 0 9px; }
.fb-register { text-align: center; font-size: 13px; margin: 20px 0 0; }
.fb-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.fb-admin-board { margin-top: 28px; font-family: Arial, "Microsoft YaHei", sans-serif; }
.fb-admin-board .fb-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.fb-admin-board .fb-card { color: #25354b; }
.fb-hidden { opacity: .75; border-style: dashed; }
[hidden] { display: none !important; }
@media (max-width: 820px) {
    .fb-layout { grid-template-columns: minmax(0, 1fr); }
    .fb-compose { grid-row: 1; }
    .fb-admin-board .fb-list { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 480px) {
    .fb-topbar { padding: 14px 18px; flex-wrap: wrap; gap: 10px; }
    .fb-account-actions { width: 100%; justify-content: flex-end; }
    .fb-brand span { margin-left: 4px; }
    .fb-shell { padding: 30px 16px 16px; }
    .fb-intro { padding-bottom: 26px; }
    .fb-principles { gap: 10px; }
    .fb-card, .fb-compose { padding: 19px; }
    .fb-intro p { font-size: 14px; }
}