/* ============================================================
   偏旁部首组字练习 · 纸张 / 墨绿风格
   ============================================================ */

.rc-app {
    --rc-bg: #f4f0e6;
    --rc-card: #fffdf8;
    --rc-ink: #1d2a25;
    --rc-ink-2: #45554d;
    --rc-muted: #7b8a81;
    --rc-line: #e3dccd;
    --rc-line-strong: #cfc6b3;
    --rc-accent: #1f6f5c;
    --rc-accent-ink: #14513f;
    --rc-accent-soft: #e4f1ec;
    --rc-warm: #c2410c;
    --rc-desk: #ece5d6;
    --rc-shadow: 0 12px 32px rgba(42, 55, 47, .09);
    --rc-serif: "Noto Serif SC", "Songti SC", "SimSun", "STSong", serif;

    background:
        radial-gradient(circle at 18% 0%, rgba(31, 111, 92, .07), transparent 34%),
        radial-gradient(circle at 88% 12%, rgba(194, 65, 12, .05), transparent 30%),
        var(--rc-bg);
    color: var(--rc-ink);
    padding-bottom: 64px;
}

[data-theme="dark"] .rc-app {
    --rc-bg: #0d1310;
    --rc-card: #141d18;
    --rc-ink: #e9e5d9;
    --rc-ink-2: #b9b6a9;
    --rc-muted: #8a887c;
    --rc-line: #28332c;
    --rc-line-strong: #3a473f;
    --rc-accent: #63c9ab;
    --rc-accent-ink: #9ee4cf;
    --rc-accent-soft: #16322a;
    --rc-warm: #f08a5d;
    --rc-desk: #0a100d;
    --rc-shadow: 0 16px 40px rgba(0, 0, 0, .45);
    background:
        radial-gradient(circle at 15% 0%, rgba(99, 201, 171, .08), transparent 36%),
        radial-gradient(circle at 90% 10%, rgba(240, 138, 93, .05), transparent 30%),
        var(--rc-bg);
}

.rc-app .container { max-width: 1240px; }

/* ---------- 首屏 ---------- */
.rc-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) 300px;
    gap: 32px;
    align-items: center;
    padding: 10px 0 28px;
}

.rc-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border: 1px solid var(--rc-line-strong);
    border-radius: 999px;
    background: var(--rc-card);
    color: var(--rc-accent-ink);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .5px;
}

.rc-hero h1 {
    margin: 14px 0 10px;
    font-family: var(--rc-serif);
    font-size: clamp(30px, 4.4vw, 46px);
    font-weight: 800;
    letter-spacing: -.02em;
    line-height: 1.15;
    color: var(--rc-ink);
}
.rc-hero h1 em {
    font-style: normal;
    color: var(--rc-accent);
    background: linear-gradient(transparent 62%, var(--rc-accent-soft) 62%);
    padding: 0 2px;
}

.rc-hero p {
    max-width: 640px;
    margin: 0;
    font-size: 15.5px;
    line-height: 1.85;
    color: var(--rc-ink-2);
}
.rc-hero p b { color: var(--rc-ink); }

.rc-points {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}
.rc-points li {
    position: relative;
    padding-left: 18px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--rc-ink-2);
}
.rc-points li::before {
    content: "";
    position: absolute;
    left: 2px; top: 7px;
    width: 6px; height: 6px;
    border-radius: 2px;
    background: var(--rc-accent);
    transform: rotate(45deg);
}

.rc-hero-sample {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 22px 18px;
    border: 1px solid var(--rc-line);
    border-radius: 20px;
    background: var(--rc-card);
    box-shadow: var(--rc-shadow);
    transform: rotate(1.2deg);
}
.rc-mini {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, .1);
}
.rc-mini-py {
    font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    font-size: 15px;
    letter-spacing: 1.5px;
    color: #475569;
}
.rc-mini-boxes { display: flex; gap: 8px; }
.rc-mini-boxes i {
    position: relative;
    width: 42px; height: 42px;
    border: 1px solid #64748b;
    background: #fff;
}
.rc-mini-boxes i::before,
.rc-mini-boxes i::after {
    content: "";
    position: absolute;
    border-color: #cbd5e1;
    border-style: dashed;
    border-width: 0;
}
.rc-mini-boxes i::before { left: 0; right: 0; top: 50%; border-top-width: 1px; }
.rc-mini-boxes i::after { top: 0; bottom: 0; left: 50%; border-left-width: 1px; }
.rc-mini-label {
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--rc-muted);
}

/* ---------- 工作区 ---------- */
.rc-work {
    display: grid;
    grid-template-columns: 372px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
}

.rc-panel {
    background: var(--rc-card);
    border: 1px solid var(--rc-line);
    border-radius: 20px;
    box-shadow: var(--rc-shadow);
}

.rc-controls {
    position: sticky;
    top: 82px;
    padding: 6px 20px 18px;
}

.rc-step {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
    padding: 18px 0;
}
.rc-step + .rc-step { border-top: 1px dashed var(--rc-line); }

.rc-step-no {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px; height: 28px;
    margin-top: 2px;
    border-radius: 9px;
    background: var(--rc-accent-soft);
    color: var(--rc-accent-ink);
    font-size: 12px;
    font-weight: 800;
    font-family: Georgia, serif;
}

.rc-step-body h2 {
    margin: 0 0 12px;
    font-family: var(--rc-serif);
    font-size: 16px;
    font-weight: 800;
    color: var(--rc-ink);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}
.rc-sub { font-size: 11px; font-weight: 600; color: var(--rc-muted); }

.rc-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.rc-row select,
.rc-field input,
.rc-step textarea,
.rc-step input[type="text"] {
    width: 100%;
    min-width: 0;
    padding: 9px 11px;
    border: 1px solid var(--rc-line-strong);
    border-radius: 10px;
    background: var(--rc-bg);
    color: var(--rc-ink);
    font-family: inherit;
    font-size: 13px;
    line-height: 1.4;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.rc-row select { width: auto; flex: 1; min-width: 96px; }
.rc-row select:focus,
.rc-step textarea:focus,
.rc-step input:focus {
    border-color: var(--rc-accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--rc-accent) 18%, transparent);
}
.rc-step textarea { resize: vertical; min-height: 84px; }

.rc-label {
    flex: none;
    font-size: 12px;
    font-weight: 700;
    color: var(--rc-muted);
}

.rc-meta {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin: 10px 0 0;
    font-size: 11.5px;
    color: var(--rc-muted);
}

.rc-chips {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    max-height: 262px;
    overflow-y: auto;
    margin-top: 9px;
    padding: 2px 4px 4px 2px;
    scrollbar-width: thin;
}
.rc-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
    padding: 6px 2px;
    border: 1px solid var(--rc-line);
    border-radius: 9px;
    background: transparent;
    color: var(--rc-ink-2);
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all .14s;
}
.rc-chip i {
    font-style: normal;
    font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    font-size: 9.5px;
    font-weight: 400;
    color: var(--rc-muted);
    letter-spacing: .2px;
    white-space: nowrap;
}
.rc-chip:hover { border-color: var(--rc-accent); }
.rc-chip.on {
    border-color: var(--rc-accent);
    background: var(--rc-accent-soft);
    color: var(--rc-accent-ink);
}
.rc-chip.on i { color: var(--rc-accent); }

.rc-row-actions { margin-top: 10px; }
.rc-link {
    padding: 0;
    border: 0;
    background: none;
    color: var(--rc-accent);
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.rc-link:hover { color: var(--rc-warm); }

.rc-tip {
    margin: 10px 0 0;
    font-size: 11.5px;
    line-height: 1.65;
    color: var(--rc-muted);
}

.rc-field { margin-bottom: 11px; }
.rc-field:last-child { margin-bottom: 0; }
.rc-field > .rc-label { display: block; margin-bottom: 6px; }

.rc-seg {
    display: flex;
    padding: 3px;
    border-radius: 10px;
    background: var(--rc-bg);
    border: 1px solid var(--rc-line);
    gap: 3px;
}
.rc-seg button {
    flex: 1;
    padding: 6px 4px;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: var(--rc-ink-2);
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all .14s;
}
.rc-seg button.on {
    background: var(--rc-card);
    color: var(--rc-accent-ink);
    box-shadow: 0 1px 4px rgba(30, 45, 38, .12);
}

.rc-switches {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-top: 4px;
}
.rc-check {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--rc-ink-2);
    cursor: pointer;
}
.rc-check input { accent-color: var(--rc-accent); width: 15px; height: 15px; }

.rc-status {
    min-height: 18px;
    margin: 8px 0 0;
    font-size: 11.5px;
    line-height: 1.6;
    color: var(--rc-muted);
}
.rc-status.ok { color: var(--rc-accent); }
.rc-status.warn { color: #b45309; }
.rc-status.bad { color: #dc2626; }
[data-theme="dark"] .rc-status.warn { color: #fbbf24; }
[data-theme="dark"] .rc-status.bad { color: #f87171; }

.rc-ai {
    border-radius: 14px;
    margin: 4px 0;
    padding: 14px 12px;
    background: var(--rc-accent-soft);
    border: 1px dashed color-mix(in srgb, var(--rc-accent) 40%, transparent);
}
.rc-ai .rc-step-no { background: var(--rc-card); }
.rc-ai .rc-step-body h2 { margin-bottom: 8px; }
.rc-ai input { margin-bottom: 8px; background: var(--rc-card); }
.rc-beta {
    padding: 1px 6px;
    border-radius: 999px;
    background: var(--rc-warm);
    color: #fff;
    font-family: inherit;
    font-size: 9px;
    letter-spacing: .5px;
}

.rc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 14px;
    border: 1px solid transparent;
    border-radius: 11px;
    background: var(--rc-accent);
    color: #fff;
    font-family: inherit;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    transition: transform .1s, filter .15s, background .15s;
}
.rc-btn:hover { filter: brightness(1.06); }
.rc-btn:active { transform: translateY(1px); }
.rc-btn:disabled { opacity: .55; cursor: not-allowed; }
.rc-btn-ghost {
    background: transparent;
    border-color: var(--rc-line-strong);
    color: var(--rc-ink-2);
}
.rc-btn-main { width: 100%; padding: 12px 14px; font-size: 14px; }

.rc-actions {
    display: grid;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--rc-line);
}

/* ---------- 预览桌面 ---------- */
.rc-desk {
    min-width: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 22px;
    background:
        radial-gradient(circle, rgba(120, 113, 92, .18) 1px, transparent 1px) 0 0 / 18px 18px,
        var(--rc-desk);
    border: 1px solid var(--rc-line);
    padding: 16px;
}
[data-theme="dark"] .rc-desk {
    background:
        radial-gradient(circle, rgba(255, 255, 255, .06) 1px, transparent 1px) 0 0 / 18px 18px,
        var(--rc-desk);
}

.rc-desk-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 2px 4px 12px;
}
.rc-desk-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 800;
    color: var(--rc-ink-2);
}
.rc-desk-title span {
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--rc-card);
    border: 1px solid var(--rc-line);
    font-size: 11px;
    font-weight: 700;
    color: var(--rc-muted);
}
.rc-desk-head .rc-btn { padding: 8px 12px; font-size: 12px; }
.rc-scroll-hint {
    display: none;
    font-style: normal;
    font-size: 10.5px;
    font-weight: 600;
    color: var(--rc-muted);
}
/* 只有在纸张确实宽于可视区（缩放已到下限）时才提示左右滑动 */
.rc-desk.is-scrollable .rc-scroll-hint { display: inline; }

.rc-pages {
    --rc-scale: .62;
    padding: 4px 0 10px;
}

.rc-sheet-wrap {
    position: relative;
    margin: 0 auto 20px;
    overflow: hidden;
    border-radius: 3px;
    box-shadow: 0 18px 44px rgba(23, 32, 27, .22);
}
[data-theme="dark"] .rc-sheet-wrap { box-shadow: 0 18px 44px rgba(0, 0, 0, .55); }

.rc-sheet {
    box-sizing: border-box;
    width: 794px;
    height: 1123px;
    padding: 13mm;
    transform: scale(var(--rc-scale));
    transform-origin: top left;
    background: #fff;
    color: #0f172a;
    font-family: "Songti SC", "SimSun", "Noto Serif SC", serif;
    display: flex;
    flex-direction: column;
}

.rc-sheet-head {
    text-align: center;
    padding-bottom: 6mm;
    border-bottom: 1px solid #cbd5e1;
}
.rc-sheet-head h2 {
    margin: 0 0 2.5mm;
    font-family: "Songti SC", "SimSun", "Noto Serif SC", serif;
    font-size: 20pt;
    font-weight: 700;
    letter-spacing: 4px;
    color: #111827;
}
.rc-sheet-head h2.ans-title { letter-spacing: 2px; }
.rc-sheet-head p {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 9pt;
    color: #64748b;
    letter-spacing: .5px;
}

.rc-fields {
    display: flex;
    justify-content: space-between;
    gap: 8mm;
    margin-top: 5mm;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 10pt;
    color: #334155;
}
.rc-fields span {
    display: inline-flex;
    align-items: flex-end;
    gap: 4px;
    flex: 1;
    white-space: nowrap;
}
.rc-fields i {
    flex: 1;
    height: 5mm;
    border-bottom: 1px solid #94a3b8;
}

.rc-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(var(--rc-per-row), minmax(0, 1fr));
    gap: 4mm 3mm;
    align-content: start;
    padding-top: 7mm;
}
.rc-grid.is-sm { gap: 3mm; }

.rc-item {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    min-width: 0;
    break-inside: avoid;
}
.rc-word {
    display: inline-flex;
    align-items: flex-end;
    gap: 1.5mm;
}
.rc-ch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1mm;
}
.rc-py {
    height: 5mm;
    font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    font-size: 8.5pt;
    line-height: 5mm;
    letter-spacing: .2px;
    color: #334155;
    white-space: nowrap;
}
.rc-cell {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    width: var(--rc-cell);
    height: var(--rc-cell);
    border: 1px solid #475569;
    background: #fff;
}
.rc-cell::before,
.rc-cell::after {
    content: "";
    position: absolute;
    border-color: #cbd5e1;
    border-style: dashed;
    border-width: 0;
    pointer-events: none;
}
.rc-cell::before { left: 0; right: 0; top: 50%; border-top-width: 1px; }
.rc-cell::after { top: 0; bottom: 0; left: 50%; border-left-width: 1px; }

.rc-cell b {
    font-family: KaiTi, STKaiti, "Kaiti SC", "Songti SC", serif;
    font-size: calc(var(--rc-cell) * .62);
    font-weight: 400;
    line-height: 1;
    color: #111827;
    transform: translateY(1px);
}

.rc-sheet-ans .rc-grid { padding-top: 9mm; }
.rc-sheet-ans .rc-cell { border-color: #94a3b8; }

.rc-sheet-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4mm;
    padding-top: 3mm;
    border-top: 1px solid #e2e8f0;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 8pt;
    color: #94a3b8;
}
.rc-sheet-foot span { letter-spacing: .5px; }

.rc-empty {
    margin: 40px auto;
    max-width: 460px;
    padding: 34px 24px;
    text-align: center;
    border: 1px dashed var(--rc-line-strong);
    border-radius: 16px;
    background: color-mix(in srgb, var(--rc-card) 75%, transparent);
    color: var(--rc-muted);
}
.rc-empty strong {
    display: block;
    margin-bottom: 6px;
    font-family: var(--rc-serif);
    font-size: 16px;
    color: var(--rc-ink-2);
}
.rc-empty p { margin: 0; font-size: 12.5px; line-height: 1.7; }

/* ---------- 内容区 ---------- */
.rc-content {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}
.rc-note {
    padding: 22px 24px;
    border: 1px solid var(--rc-line);
    border-radius: 18px;
    background: var(--rc-card);
}
.rc-note h2 {
    margin: 0 0 12px;
    font-family: var(--rc-serif);
    font-size: 18px;
    font-weight: 800;
    color: var(--rc-ink);
}
.rc-note h3 {
    margin: 14px 0 6px;
    font-size: 13px;
    font-weight: 800;
    color: var(--rc-ink-2);
}
.rc-note p, .rc-note li {
    font-size: 13px;
    line-height: 1.85;
    color: var(--rc-ink-2);
}
.rc-note p { margin: 0 0 8px; }
.rc-note ul, .rc-note ol { margin: 0; padding-left: 20px; }
.rc-note li { margin-bottom: 5px; }
.rc-note b { color: var(--rc-ink); }
.rc-note .rc-warm { color: var(--rc-warm); }

.rc-steps {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: pwstep;
}
.rc-steps li {
    position: relative;
    padding-left: 34px;
    font-size: 13px;
    line-height: 1.75;
    color: var(--rc-ink-2);
    counter-increment: pwstep;
}
.rc-steps li::before {
    content: counter(pwstep);
    position: absolute;
    left: 0; top: 1px;
    width: 22px; height: 22px;
    border-radius: 7px;
    background: var(--rc-accent-soft);
    color: var(--rc-accent-ink);
    font-size: 11px;
    font-weight: 800;
    line-height: 22px;
    text-align: center;
}

.rc-faq details {
    border-top: 1px dashed var(--rc-line);
    padding: 10px 0;
}
.rc-faq details:first-of-type { border-top: 0; }
.rc-faq summary {
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 800;
    color: var(--rc-ink-2);
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 10px;
}
.rc-faq summary::-webkit-details-marker { display: none; }
.rc-faq summary::after {
    content: "+";
    color: var(--rc-accent);
    font-size: 16px;
    font-weight: 700;
}
.rc-faq details[open] summary::after { content: "−"; }
.rc-faq details p { margin: 8px 0 0; font-size: 12.5px; color: var(--rc-muted); }

.rc-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}
.rc-links a {
    padding: 6px 11px;
    border: 1px solid var(--rc-line);
    border-radius: 999px;
    background: var(--rc-bg);
    color: var(--rc-ink-2);
    font-size: 12px;
    font-weight: 700;
    text-decoration: none;
}
.rc-links a:hover { border-color: var(--rc-accent); color: var(--rc-accent); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
    .rc-work { grid-template-columns: 330px minmax(0, 1fr); }
    .rc-hero { grid-template-columns: minmax(0, 1fr) 250px; }
}

@media (max-width: 920px) {
    .rc-hero { grid-template-columns: minmax(0, 1fr); gap: 18px; }
    .rc-hero-sample { display: none; }
    .rc-work { grid-template-columns: minmax(0, 1fr); }
    .rc-controls { position: static; }
    .rc-content { grid-template-columns: minmax(0, 1fr); }
    .rc-chips { grid-template-columns: repeat(4, minmax(0, 1fr)); max-height: 150px; }
    .rc-desk { padding: 10px; }
}

@media (max-width: 560px) {
    .rc-app { padding-bottom: 40px; }
    .rc-hero { padding-top: 0; }
    .rc-hero h1 { font-size: 30px; }
    .rc-hero p { font-size: 14px; }
    .rc-controls { padding: 2px 14px 14px; }
    .rc-chips { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .rc-chip { font-size: 12.5px; }
    .rc-desk-head { flex-wrap: wrap; }
    .rc-sheet-wrap { border-radius: 2px; }
}

/* ---------- 卷内排版：三种卷型 ---------- */
.rc-sheet-body {
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* 偏旁组字：两列，每块「偏旁 + 4 个空格」 */
.rc-rad-list {
    --rc-slot-h: 15mm;
    --rc-tile: 16mm;
    --rc-tile-fs: 10mm;
    --rc-slot-fs: 9mm;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 5mm 5mm;
    padding-top: 7mm;
}
.rc-rad-list.is-lg {
    --rc-slot-h: 19mm;
    --rc-tile: 20mm;
    --rc-tile-fs: 12mm;
    --rc-slot-fs: 11mm;
    gap: 6mm 5mm;
}
.rc-rad-list.is-sm {
    --rc-slot-h: 11mm;
    --rc-tile: 12mm;
    --rc-tile-fs: 7.5mm;
    --rc-slot-fs: 7mm;
    gap: 3.6mm 4mm;
    padding-top: 5mm;
}
.rc-rad-item {
    display: flex;
    align-items: center;
    gap: 3mm;
    padding: 2.6mm;
    border: 1px solid #e2e8f0;
    border-radius: 2mm;
    break-inside: avoid;
}
.rc-rad-tile {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--rc-tile);
    height: var(--rc-tile);
    border: 1.5px solid #475569;
    border-radius: 1.5mm;
    font-family: KaiTi, STKaiti, "Kaiti SC", "Songti SC", serif;
    font-size: var(--rc-tile-fs);
    line-height: 1;
    color: #111827;
}
.rc-rad-side { flex: 1; min-width: 0; }
.rc-rad-name {
    display: block;
    margin-bottom: 1.4mm;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 7.5pt;
    color: #64748b;
}
.rc-rad-slots { display: flex; gap: 1.4mm; }
.rc-slot {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-width: 0;
    height: var(--rc-slot-h);
    border: 1px solid #94a3b8;
    background: #fff;
}
.rc-slot b {
    font-family: KaiTi, STKaiti, "Kaiti SC", "Songti SC", serif;
    font-size: var(--rc-slot-fs);
    font-weight: 400;
    line-height: 1;
    color: #111827;
}
.rc-sheet-ans .rc-slot { border-color: #cbd5e1; }

/* 部首查字法：表格 */
.rc-dict {
    width: 100%;
    margin-top: 7mm;
    border-collapse: collapse;
    table-layout: fixed;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
.rc-dict th,
.rc-dict td {
    border: 1px solid #94a3b8;
    padding: 0 1.5mm;
    height: 20mm;
    text-align: center;
    vertical-align: middle;
    font-size: 9pt;
    color: #111827;
}
.rc-dict th {
    height: 10mm;
    background: #f8fafc;
    font-size: 8.5pt;
    font-weight: 600;
    color: #334155;
}
.rc-dict th:nth-child(1) { width: 14%; }
.rc-dict th:nth-child(2) { width: 11%; }
.rc-dict th:nth-child(3) { width: 14%; }
.rc-dict th:nth-child(4) { width: 14%; }
.rc-dict th:nth-child(5) { width: 18%; }
.rc-dict th:nth-child(6) { width: 29%; }
.rc-dict td.c b {
    font-family: KaiTi, STKaiti, "Kaiti SC", "Songti SC", serif;
    font-size: 13mm;
    font-weight: 400;
    line-height: 1;
}
.rc-dict td:nth-child(2) {
    font-family: KaiTi, STKaiti, "Kaiti SC", "Songti SC", serif;
    font-size: 12pt;
}
.rc-dict td:nth-child(3), .rc-dict td:nth-child(4) { font-size: 10.5pt; }
.rc-dict td.py { font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif; font-size: 10pt; letter-spacing: .3px; }
.rc-dict td.w { font-size: 8.5pt; }
.rc-dict.is-lg th, .rc-dict.is-lg td { height: 23mm; }
.rc-dict.is-lg td.c b { font-size: 14mm; }
.rc-dict.is-sm th, .rc-dict.is-sm td { height: 16mm; }
.rc-dict.is-sm td.c b { font-size: 10.5mm; }

/* 形近字对比 */
.rc-pair-list {
    display: grid;
    gap: 3.5mm;
    padding-top: 6mm;
}
.rc-pair-item {
    padding-bottom: 2mm;
    border-bottom: 1px dashed #cbd5e1;
    break-inside: avoid;
}
.rc-pair-cells {
    display: grid;
    grid-template-columns: repeat(var(--rc-pair-cols, 2), minmax(0, 1fr));
    gap: 5mm;
}
.rc-pair-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2mm;
}
.rc-pair-ch {
    font-family: KaiTi, STKaiti, "Kaiti SC", "Songti SC", serif;
    font-size: 11mm;
    line-height: 1.05;
    color: #111827;
}
.rc-pair-line {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    width: 100%;
    height: 7mm;
    border-bottom: 1px solid #94a3b8;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 8pt;
    font-style: normal;
    color: #334155;
}
.rc-pair-line b { font-weight: 500; }
.rc-pair-note {
    margin: .8mm 0 0;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 7pt;
    line-height: 1.3;
    color: #64748b;
}
.rc-pair-list.is-lg { gap: 5mm; padding-top: 7mm; }
.rc-pair-list.is-lg .rc-pair-item { padding-bottom: 3mm; }
.rc-pair-list.is-lg .rc-pair-ch { font-size: 15mm; }
.rc-pair-list.is-lg .rc-pair-line { height: 10mm; }
.rc-pair-list.is-lg .rc-pair-note { font-size: 8pt; margin-top: 1.2mm; }
.rc-pair-list.is-sm { gap: 3mm; padding-top: 5mm; }
.rc-pair-list.is-sm .rc-pair-item { padding-bottom: 1.6mm; }
.rc-pair-list.is-sm .rc-pair-ch { font-size: 9mm; }
.rc-pair-list.is-sm .rc-pair-line { height: 6mm; }
.rc-pair-list.is-sm .rc-pair-note { font-size: 6.5pt; }

/* 首屏小样 */
.rc-mini-tile {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border: 1.5px solid #475569;
    border-radius: 6px;
    font-family: KaiTi, STKaiti, "Kaiti SC", serif;
    font-size: 32px;
    line-height: 1;
    color: #111827;
}
.rc-mini-boxes i {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: KaiTi, STKaiti, "Kaiti SC", serif;
    font-size: 20px;
    font-style: normal;
    line-height: 1;
    color: #111827;
}

.rc-seg-3 button { padding: 7px 4px; font-size: 11.5px; }

/* 卷型下方的二级设置（题量 / 题库范围）与上面的选择隔开一点 */
#rcAmountField, #rcRangeField { margin-top: 14px; }

/* ---------- 打印 ---------- */
@media print {
    @page { size: A4; margin: 0; }

    html, body {
        background: #fff !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    body > *:not(.rc-app) { display: none !important; }

    .rc-app {
        position: static !important;
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
        background: #fff !important;
        color: #000 !important;
    }
    .rc-app .container,
    .rc-work,
    .rc-desk,
    .rc-pages {
        display: block !important;
        width: auto !important;
        max-width: none !important;
        height: auto !important;
        margin: 0 !important;
        padding: 0 !important;
        border: 0 !important;
        background: #fff !important;
        box-shadow: none !important;
        border-radius: 0 !important;
    }
    .rc-hero,
    .rc-controls,
    .rc-desk-head,
    .rc-content,
    .rc-noprint,
    .detail-breadcrumb,
    .back-to-top {
        display: none !important;
    }

    .rc-sheet-wrap {
        width: auto !important;
        height: auto !important;
        margin: 0 !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        overflow: visible !important;
        page-break-after: always;
        break-after: page;
    }
    .rc-sheet-wrap:last-child { page-break-after: auto; break-after: auto; }

    .rc-sheet {
        width: 210mm !important;
        height: 296.6mm !important;
        overflow: hidden !important;
        transform: none !important;
        box-shadow: none !important;
        border-radius: 0 !important;
        margin: 0 !important;
        page-break-inside: avoid;
        break-inside: avoid;
    }

    .rc-cell { border-color: #000 !important; }
    .rc-cell::before, .rc-cell::after { border-color: #9ca3af !important; }
    .rc-sheet-head h2, .rc-sheet-head p, .rc-fields { color: #000 !important; }
    .rc-py { color: #000 !important; }
    .rc-sheet-foot { color: #6b7280 !important; }

    .rc-slot,
    .rc-rad-item,
    .rc-rad-tile,
    .rc-dict th,
    .rc-dict td { border-color: #000 !important; }
    .rc-dict th { background: #fff !important; }
    .rc-pair-item { border-bottom-color: #9ca3af !important; }
    .rc-pair-line { border-bottom-color: #000 !important; }
    .rc-slot b,
    .rc-rad-tile,
    .rc-dict td.c b,
    .rc-pair-ch,
    .rc-pair-line b { color: #000 !important; }
}