.poetry-recite-page {
    --pr-ink: #202823;
    --pr-muted: #69716c;
    --pr-line: #dfe4de;
    --pr-paper: #ffffff;
    --pr-wash: #f4f6f2;
    --pr-accent: #2f6f61;
    --pr-accent-dark: #24594e;
    --pr-accent-soft: #e2f0eb;
    --pr-error: #b42318;
    --pr-error-soft: #fff0ee;
    max-width: 1180px;
    margin: 0 auto;
    padding: 20px 18px 80px;
    color: var(--pr-ink);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

.pr-breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; color: var(--pr-muted); font-size: 13px; }
.pr-breadcrumb a { color: var(--pr-accent); text-decoration: none; }
.pr-breadcrumb i { font-size: 9px; }
.pr-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.pr-heading h1 { margin: 4px 0 5px; font-size: 30px; line-height: 1.25; letter-spacing: 0; }
.pr-heading p { margin: 0; color: var(--pr-muted); font-size: 15px; }
.pr-heading .pr-kicker { color: var(--pr-accent); font-size: 13px; font-weight: 700; }
.pr-kicker i { margin-right: 5px; }
.pr-back-link { display: inline-flex; align-items: center; gap: 7px; min-height: 40px; padding: 0 14px; border: 1px solid var(--pr-line); border-radius: 6px; color: var(--pr-ink); text-decoration: none; font-size: 14px; font-weight: 600; }
.pr-back-link:hover { border-color: var(--pr-accent); color: var(--pr-accent); }

.pr-layout { display: grid; grid-template-columns: 244px minmax(0, 1fr); gap: 20px; align-items: start; }
.pr-filter-panel { position: sticky; top: 82px; padding: 20px; border: 1px solid var(--pr-line); border-radius: 8px; background: var(--pr-paper); }
.pr-control-group { display: block; margin: 0 0 20px; }
.pr-control-label { display: block; margin-bottom: 8px; color: #4d5650; font-size: 13px; font-weight: 700; }
.pr-segments { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
.pr-grade-segments { grid-template-columns: repeat(2, 1fr); }
.pr-segments button { min-width: 0; min-height: 40px; padding: 0 7px; border: 1px solid var(--pr-line); border-radius: 6px; background: var(--pr-paper); color: var(--pr-ink); cursor: pointer; font-size: 13px; }
.pr-segments button:hover { border-color: #8eaaa1; }
.pr-segments button.is-active { border-color: var(--pr-accent); background: var(--pr-accent-soft); color: var(--pr-accent-dark); font-weight: 700; box-shadow: inset 0 0 0 1px var(--pr-accent); }
.pr-select-wrap { position: relative; display: block; }
.pr-select-wrap select { width: 100%; height: 42px; padding: 0 36px 0 12px; appearance: none; border: 1px solid var(--pr-line); border-radius: 6px; background: var(--pr-paper); color: var(--pr-ink); font-size: 14px; }
.pr-select-wrap i { position: absolute; top: 50%; right: 13px; transform: translateY(-50%); color: var(--pr-muted); font-size: 11px; pointer-events: none; }
.pr-text-input { width: 100%; height: 42px; padding: 0 12px; border: 1px solid var(--pr-line); border-radius: 6px; background: var(--pr-paper); color: var(--pr-ink); box-sizing: border-box; font-size: 14px; }
.pr-text-input:focus { border-color: var(--pr-accent); outline: 2px solid var(--pr-accent-soft); }
.pr-line-options { min-width: 0; padding: 0; border: 0; }
.pr-line-checks { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.pr-line-checks label { position: relative; cursor: pointer; }
.pr-line-checks input { position: absolute; opacity: 0; pointer-events: none; }
.pr-line-checks span { display: flex; align-items: center; justify-content: center; height: 34px; border: 1px solid var(--pr-line); border-radius: 5px; background: var(--pr-paper); font-size: 13px; }
.pr-line-checks input:checked + span { border-color: var(--pr-accent); background: var(--pr-accent-soft); color: var(--pr-accent-dark); font-weight: 700; box-shadow: inset 0 0 0 1px var(--pr-accent); }
.pr-segments button:disabled { cursor: not-allowed; opacity: .45; }
.pr-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 16px; border: 1px solid transparent; border-radius: 6px; cursor: pointer; font-size: 14px; font-weight: 700; transition: background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease; }
.pr-btn:active { transform: translateY(1px); }
.pr-btn:disabled { cursor: wait; opacity: .65; }
.pr-btn-primary { background: var(--pr-accent); color: #fff; }
.pr-btn-primary:hover { background: var(--pr-accent-dark); }
.pr-btn-secondary { border-color: var(--pr-line); background: var(--pr-paper); color: var(--pr-ink); }
.pr-btn-secondary:hover { border-color: var(--pr-accent); color: var(--pr-accent); }
.pr-generate-btn { width: 100%; }
.pr-volume-note { margin: 10px 0 0; text-align: center; color: var(--pr-muted); font-size: 12px; }

.pr-workspace { min-width: 0; padding: 24px 30px 26px; border: 1px solid var(--pr-line); border-radius: 8px; background: var(--pr-paper); box-shadow: 0 10px 26px rgba(41, 56, 48, .06); }
.pr-workspace-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--pr-line); }
.pr-workspace-head h2 { margin: 3px 0 0; font-size: 21px; letter-spacing: 0; }
.pr-scope { color: var(--pr-accent); font-size: 13px; font-weight: 700; }
.pr-progress { color: var(--pr-muted); font-size: 13px; }
.pr-status { min-height: 20px; margin: 12px 0 0; color: var(--pr-muted); font-size: 13px; }
.pr-status.is-error { color: var(--pr-error); }
.pr-status.is-success { color: var(--pr-accent); font-weight: 700; }
.pr-loading { padding: 70px 20px; text-align: center; color: var(--pr-muted); }
.pr-loading i { margin-right: 7px; color: var(--pr-accent); }
.pr-practice:empty::before { content: "点击随机出题开始练习"; display: block; padding: 100px 20px; text-align: center; color: #969d98; font-family: "Songti SC", STSong, serif; font-size: 18px; }
.pr-poem { padding: 26px 0; text-align: center; }
.pr-poem + .pr-poem { border-top: 1px dashed #cfd5cf; }
.pr-poem-head h3 { margin: 0; font-family: "Songti SC", STSong, serif; font-size: 23px; line-height: 1.35; letter-spacing: 0; }
.pr-poem-head span { display: block; margin-top: 6px; color: var(--pr-muted); font-size: 13px; }
.pr-lines { display: grid; gap: 17px; margin-top: 24px; }
.pr-line { min-width: 0; }
.pr-line-text { font-family: "Songti SC", STSong, serif; font-size: 20px; line-height: 2; letter-spacing: 0; overflow-wrap: anywhere; }
.pr-line-text.is-reference { color: #59625c; }
.pr-answer-input { width: calc(var(--chars, 2) * 1.5em + 18px); max-width: 100%; height: 40px; margin: 0 4px; padding: 0 7px; border: 0; border-bottom: 2px solid #627168; border-radius: 0; background: #f8faf7; color: var(--pr-ink); text-align: center; font-family: inherit; font-size: 20px; line-height: 40px; outline: none; }
.pr-answer-input:focus { border-bottom-color: var(--pr-accent); background: #eef6f2; box-shadow: 0 2px 0 var(--pr-accent); }
.pr-line.is-correct .pr-answer-input { border-bottom-color: #278366; background: #edf8f3; color: #17664f; }
.pr-line.is-wrong .pr-answer-input { border-bottom-color: var(--pr-error); background: var(--pr-error-soft); color: var(--pr-error); }
.pr-feedback { display: none; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px; min-height: 27px; margin-top: 6px; font-size: 13px; }
.pr-feedback.is-visible { display: flex; }
.pr-char-result { display: inline-flex; gap: 3px; }
.pr-char { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 26px; border-radius: 4px; font-family: "Songti SC", STSong, serif; font-size: 17px; font-weight: 700; }
.pr-char.is-correct { background: #e2f3ec; color: #17664f; }
.pr-char.is-wrong { background: #ffe5e2; color: var(--pr-error); text-decoration: underline; text-decoration-thickness: 2px; }
.pr-feedback-label.is-correct { color: #17664f; font-weight: 700; }
.pr-feedback-label.is-wrong { color: var(--pr-error); font-weight: 700; }
.pr-correct-answer { color: #5e665f; }
.pr-correct-answer strong { color: var(--pr-ink); font-family: "Songti SC", STSong, serif; font-size: 16px; }
.pr-actions { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; padding-top: 20px; border-top: 1px solid var(--pr-line); }
.pr-download-note { margin: 10px 0 0; text-align: right; color: var(--pr-muted); font-size: 12px; }
.pr-about { margin-top: 34px; padding-top: 24px; border-top: 1px solid var(--pr-line); color: var(--pr-muted); }
.pr-about h2 { margin: 0 0 10px; color: var(--pr-ink); font-size: 18px; letter-spacing: 0; }
.pr-about p { max-width: 900px; margin: 0; font-size: 14px; line-height: 1.8; }

[data-theme="dark"] .poetry-recite-page { --pr-ink: #edf1ed; --pr-muted: #b9c0bb; --pr-line: #505852; --pr-paper: #303530; --pr-wash: #252925; --pr-accent: #75bea8; --pr-accent-dark: #9bd4c3; --pr-accent-soft: #28483e; --pr-error: #ff9c92; --pr-error-soft: #4a302e; }
[data-theme="dark"] .pr-control-label { color: #d2d8d3; }
[data-theme="dark"] .pr-workspace { box-shadow: none; }
[data-theme="dark"] .pr-answer-input { background: #272c28; color: var(--pr-ink); }
[data-theme="dark"] .pr-answer-input:focus { background: #243e35; }
[data-theme="dark"] .pr-char.is-correct { background: #25483c; color: #a8e6d1; }
[data-theme="dark"] .pr-char.is-wrong { background: #553330; color: #ffb4ad; }
[data-theme="dark"] .pr-correct-answer { color: #cbd1cc; }

@media (max-width: 860px) {
    .poetry-recite-page { padding: 14px 12px 96px; }
    .pr-breadcrumb { margin-bottom: 12px; }
    .pr-heading { align-items: flex-start; margin-bottom: 16px; }
    .pr-heading h1 { font-size: 25px; }
    .pr-heading p { font-size: 14px; }
    .pr-back-link { display: none; }
    .pr-layout { grid-template-columns: 1fr; gap: 12px; }
    .pr-filter-panel { position: static; padding: 14px; }
    .pr-filter-panel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 8px; align-items: end; }
    .pr-control-group { margin-bottom: 13px; }
    .pr-filter-panel > .pr-control-group:not(.pr-half-control),
    .pr-filter-panel > .pr-poem-control,
    .pr-filter-panel > .pr-line-options,
    .pr-filter-panel > .pr-generate-btn,
    .pr-filter-panel > .pr-volume-note { grid-column: 1 / -1; }
    .pr-grade-segments { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .pr-grade-segments button { min-height: 38px; padding: 0 2px; font-size: 12px; }
    .pr-segments:not(.pr-grade-segments) { grid-template-columns: repeat(2, 1fr); }
    .pr-filter-panel .pr-generate-btn { min-height: 42px; margin-top: 2px; }
    .pr-workspace { padding: 18px 14px 20px; }
    .pr-practice:empty::before { padding: 64px 10px; }
    .pr-poem { padding: 22px 0; }
    .pr-lines { gap: 15px; margin-top: 20px; }
    .pr-line-text { font-size: 18px; line-height: 2.15; }
    .pr-answer-input { height: 38px; font-size: 18px; line-height: 38px; }
    .pr-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .pr-download-note { text-align: left; line-height: 1.5; }
}

@media (max-width: 390px) {
    .poetry-recite-page { padding-left: 9px; padding-right: 9px; }
    .pr-heading h1 { font-size: 23px; }
    .pr-filter-panel, .pr-workspace { border-radius: 6px; }
    .pr-segments button { min-height: 36px; }
    .pr-workspace-head h2 { font-size: 19px; }
    .pr-progress { max-width: 112px; text-align: right; line-height: 1.35; }
    .pr-poem-head h3 { font-size: 21px; }
    .pr-line-text { font-size: 17px; }
    .pr-btn { padding: 0 10px; }
}

@media (prefers-reduced-motion: reduce) {
    .pr-btn { transition: none; }
}