/* 写作升级模块样式 */
.wu-h { margin: 26px 0 12px; font-size: 16px; color: #1f2937; padding-left: 10px; border-left: 4px solid #4c8bf5; }
.wu-note { margin: 10px 0; padding: 12px 14px; background: #f8faff; border: 1px dashed #c7d7fb; border-radius: 10px; font-size: 13px; color: #4b5563; }
.wu-note b { color: #2563eb; }

/* Task 1 框架 */
.wu-frames { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 720px) { .wu-frames { grid-template-columns: 1fr; } }
.wu-frame { padding: 16px; background: #fff; border: 1px solid #e6e8eb; border-radius: 12px; }
.wu-frame-head { font-size: 15px; font-weight: 600; color: #1f2937; margin-bottom: 6px; }
.wu-ic { margin-right: 6px; }
.wu-frame-intro { font-size: 12.5px; color: #6b7280; margin-bottom: 10px; line-height: 1.5; }
.wu-steps { margin: 0 0 10px; padding-left: 20px; }
.wu-steps li { font-size: 13px; color: #374151; line-height: 1.7; }
.wu-keys { display: flex; flex-wrap: wrap; gap: 6px; }
.wu-key { font-size: 12px; color: #087f5b; background: #e6fcf5; padding: 3px 8px; border-radius: 6px; }

/* 数据表达库 */
.wu-lib { background: #fff; border: 1px solid #e6e8eb; border-radius: 12px; padding: 14px 16px; }
.wu-lib-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 7px 0; border-bottom: 1px dashed #f0f2f4; }
.wu-lib-row:last-child { border-bottom: none; }
.wu-lib-tag { flex: 0 0 64px; font-size: 13px; font-weight: 600; color: #374151; }
.wu-chip { font-size: 12.5px; color: #1d4ed8; background: #eff6ff; padding: 3px 9px; border-radius: 6px; }

/* Task 2 结构 */
.wu-t2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 720px) { .wu-t2 { grid-template-columns: 1fr; } }
.wu-t2-card { padding: 16px; background: #fff; border: 1px solid #e6e8eb; border-radius: 12px; }
.wu-t2-name { font-size: 15px; font-weight: 600; color: #1f2937; }
.wu-t2-q { font-size: 12.5px; color: #9333ea; margin: 6px 0 10px; font-style: italic; }

/* 评分标准自评 */
.wu-bands { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 720px) { .wu-bands { grid-template-columns: 1fr; } }
.wu-band { padding: 14px 16px; background: #fff; border: 1px solid #e6e8eb; border-radius: 12px; }
.wu-band-head { font-size: 14px; color: #1f2937; }
.wu-band-head b { color: #2563eb; margin-right: 4px; }
.wu-band-desc { font-size: 12.5px; color: #6b7280; margin: 6px 0 10px; line-height: 1.5; }
.wu-stars { user-select: none; }
.wu-star { font-size: 20px; color: #d1d5db; cursor: pointer; margin-right: 4px; transition: color .12s; }
.wu-star.on { color: #f59e0b; }

/* 高分句型 */
.wu-patterns { list-style: none; margin: 0; padding: 0; }
.wu-pattern { padding: 12px 16px; margin: 8px 0; background: #fff; border: 1px solid #e6e8eb; border-left: 4px solid #4c8bf5; border-radius: 10px; cursor: pointer; transition: background .15s; }
.wu-pattern:hover { background: #f8faff; }
.wu-cn { font-size: 13.5px; color: #374151; }
.wu-en { font-size: 13px; color: #2563eb; margin-top: 5px; line-height: 1.5; }

/* ===== AI 批改评分卡 ===== */
.wo-ai-quota { font-size: 12px; color: #6b7280; margin-left: 10px; align-self: center; }
.wo-ai-status { font-size: 13px; margin-top: 10px; color: #6b7280; }
.wo-ai-status.ok { color: #059669; }
.wo-ai-status.err { color: #dc2626; }
.wo-ai-card { margin-top: 14px; border: 1px solid #e5e7eb; border-radius: 12px; padding: 16px; background: #fff; }
.wo-ai-band { display: flex; align-items: baseline; gap: 8px; margin-bottom: 12px; }
.wo-ai-band-num { font-size: 40px; font-weight: 800; line-height: 1; color: #2563eb; }
.wo-ai-band-cap { font-size: 13px; color: #6b7280; letter-spacing: .08em; text-transform: uppercase; }
.wo-band-row { display: flex; align-items: center; gap: 10px; margin: 6px 0; }
.wo-band-label { width: 108px; font-size: 12px; color: #374151; flex: none; }
.wo-band-track { flex: 1; height: 8px; border-radius: 4px; background: #f1f5f9; overflow: hidden; }
.wo-band-track i { display: block; height: 100%; background: linear-gradient(90deg,#60a5fa,#2563eb); }
.wo-band-val { width: 34px; text-align: right; font-size: 12px; color: #111827; }
.wo-ai-sugg { margin-top: 14px; }
.wo-ai-sugg h4 { margin: 0 0 6px; font-size: 13px; color: #111827; }
.wo-ai-sugg ul { margin: 0; padding-left: 18px; }
.wo-ai-sugg li { font-size: 13px; line-height: 1.7; color: #374151; }
.wo-ai-fix { margin-top: 12px; font-size: 13px; }
.wo-ai-fix summary { cursor: pointer; color: #2563eb; }
.wo-ai-fix pre { white-space: pre-wrap; word-break: break-word; background: #f8fafc; border-radius: 8px; padding: 10px; margin-top: 8px; font-size: 13px; line-height: 1.7; }
.wo-ai-quota { margin-top: 10px; font-size: 12px; color: #6b7280; }