/* ==========================================================
   17 红领巾系法图解 · 中国红 + 金黄
   ----------------------------------------------------------
   版式：首屏左文右五步演示台；结果区为可打印自检清单
   配色：中国红 #c8102e，金黄 #e0a800，暖白纸底
   ========================================================== */

.tsk.rsg {
    --tsk-bg: #fdf7f1;
    --tsk-card: #ffffff;
    --tsk-card-2: #fef9f4;
    --tsk-ink: #2b211d;
    --tsk-sub: #6b5a51;
    --tsk-faint: #9b887c;
    --tsk-line: #efe1d6;
    --tsk-line-2: #f7ede5;
    --tsk-brand: #c8102e;
    --tsk-brand-2: #e0a800;
    --tsk-brand-soft: #fdebee;
    --tsk-brand-ink: #a50b25;
    --tsk-accent: #b26b00;
    --tsk-accent-soft: #fff3d1;
    --rsg-red: #c8102e;
    --rsg-red-deep: #9c0a22;
    --rsg-gold: #e0a800;
    --rsg-gold-soft: #fff2c9;
    --rsg-shirt: #e8edf4;
    --rsg-shirt-line: #cfd8e4;
    --rsg-skin: #f4d3bb;
    --rsg-arrow: #a68b5b;
    background:
        radial-gradient(720px 340px at 96% -12%, rgba(224, 168, 0, .12), transparent 62%),
        radial-gradient(560px 300px at -6% 6%, rgba(200, 16, 46, .07), transparent 60%),
        var(--tsk-bg);
}

:root[data-theme="dark"] .tsk.rsg {
    --tsk-bg: #12100f;
    --tsk-card: #1d1917;
    --tsk-card-2: #241f1c;
    --tsk-ink: #f3ece7;
    --tsk-sub: #c0b1a7;
    --tsk-faint: #8e7f76;
    --tsk-line: #352c27;
    --tsk-line-2: #2a2320;
    --tsk-brand: #ff6d7f;
    --tsk-brand-2: #f0bd3a;
    --tsk-brand-soft: rgba(255, 109, 127, .12);
    --tsk-brand-ink: #ff9aa6;
    --tsk-accent: #f0bd3a;
    --tsk-accent-soft: rgba(240, 189, 58, .12);
    --rsg-red: #e23850;
    --rsg-red-deep: #b21f36;
    --rsg-gold: #f0bd3a;
    --rsg-gold-soft: rgba(240, 189, 58, .14);
    --rsg-shirt: #2e333c;
    --rsg-shirt-line: #3e4550;
    --rsg-skin: #4a3a33;
    --rsg-arrow: #9b8769;
}

/* ---------- 首屏：精确等高栅格 ---------- */
.rsg-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 394px;
    gap: 30px;
    padding: 30px 0 24px;
    align-items: stretch;
}

.rsg-hero-l {
    display: flex;
    flex-direction: column;
}

.rsg-hero-l > .tsk-hs {
    flex: 1 1 auto;
}

.rsg-hero-l .tsk-h1 b {
    color: var(--tsk-brand-ink);
    white-space: nowrap;
}

.rsg-hero-l .tsk-lead b {
    background: linear-gradient(180deg, transparent 62%, var(--rsg-gold-soft) 62%);
    padding: 0 2px;
}

/* ---------- 五步演示台 ---------- */
.rsg-board {
    background: var(--tsk-card);
    border: 1px solid var(--tsk-line);
    border-radius: 16px;
    box-shadow: var(--tsk-shadow);
    overflow: hidden;
}

.rsg-board-hd {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: linear-gradient(135deg, var(--rsg-red), #e11d38);
    color: #fff;
}

.rsg-board-hd span {
    font-size: 13.5px;
    font-weight: 800;
    letter-spacing: .03em;
}

.rsg-board-hd i {
    font-style: normal;
    font: 700 10.5px/1 var(--tsk-num);
    letter-spacing: .1em;
    opacity: .86;
}

.rsg-dots {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
    padding: 12px 14px 0;
}

.rsg-dot {
    height: 34px;
    border: 1.5px solid var(--tsk-line);
    border-radius: 9px;
    background: var(--tsk-card-2);
    color: var(--tsk-sub);
    font: 700 13px/1 var(--tsk-num);
    cursor: pointer;
    transition: .16s;
}

.rsg-dot:hover {
    border-color: var(--tsk-brand);
    color: var(--tsk-brand-ink);
}

.rsg-dot.on {
    background: var(--rsg-red);
    border-color: var(--rsg-red);
    color: #fff;
    box-shadow: 0 6px 14px rgba(200, 16, 46, .24);
}

.rsg-stage {
    position: relative;
    margin: 12px 14px 0;
    padding: 10px 8px 4px;
    border-radius: 13px;
    background:
        linear-gradient(180deg, rgba(224, 168, 0, .08), transparent 55%),
        var(--tsk-card-2);
    border: 1px solid var(--tsk-line-2);
}

.rsg-stage-tag {
    position: absolute;
    top: 10px;
    left: 12px;
    padding: 3px 9px;
    border-radius: 99px;
    background: var(--tsk-card);
    color: var(--tsk-brand-ink);
    font: 800 10.5px/1.7 var(--tsk-font);
    letter-spacing: .04em;
    box-shadow: var(--tsk-shadow-sm);
}

.rsg-svg {
    display: block;
    width: 100%;
    height: auto;
    max-height: 232px;
}

.rsg-base .rsg-head {
    fill: var(--rsg-skin);
}

.rsg-base .rsg-neck {
    fill: var(--rsg-skin);
}

.rsg-base .rsg-shirt {
    fill: var(--rsg-shirt);
}

.rsg-base .rsg-collar {
    fill: none;
    stroke: var(--rsg-shirt-line);
    stroke-width: 2;
}

.rsg-visual[hidden] {
    display: none;
}

.rsg-cloth {
    fill: var(--rsg-red);
    stroke: var(--rsg-red-deep);
    stroke-width: 1.4;
    stroke-linejoin: round;
}

.rsg-band {
    fill: none;
    stroke: var(--rsg-red);
    stroke-width: 13;
    stroke-linecap: round;
}

.rsg-tail {
    fill: none;
    stroke: var(--rsg-red);
    stroke-width: 12;
    stroke-linecap: round;
}

.rsg-tail.rsg-short {
    stroke-width: 10;
    opacity: .86;
}

.rsg-knot {
    fill: var(--rsg-red-deep);
    stroke: var(--rsg-gold);
    stroke-width: 1.4;
}

.rsg-fold {
    fill: none;
    stroke: var(--rsg-gold);
    stroke-width: 1.6;
    stroke-dasharray: 5 4;
}

.rsg-tuck {
    fill: none;
    stroke: var(--rsg-gold);
    stroke-width: 2.4;
    stroke-linecap: round;
}

.rsg-arrow {
    fill: none;
    stroke: var(--rsg-arrow);
    stroke-width: 2;
}

.rsg-arrow-head {
    fill: none;
    stroke: var(--rsg-arrow);
    stroke-width: 2;
}

.rsg-shine {
    fill: none;
    stroke: var(--rsg-gold);
    stroke-width: 2.2;
    stroke-linecap: round;
}

.rsg-step-info {
    padding: 11px 16px 0;
}

.rsg-step-name {
    margin: 0;
    font-size: 15px;
    font-weight: 800;
    color: var(--tsk-ink);
    letter-spacing: .01em;
}

.rsg-step-hint {
    margin: 5px 0 0;
    font-size: 12px;
    line-height: 1.75;
    color: var(--tsk-sub);
}

.rsg-step-check {
    display: flex;
    gap: 6px;
    align-items: flex-start;
    margin: 8px 0 0;
    padding: 7px 10px;
    border-radius: 8px;
    background: var(--rsg-gold-soft);
    font-size: 11.5px;
    line-height: 1.7;
    color: var(--tsk-sub);
}

.rsg-step-check b {
    flex: 0 0 auto;
    color: var(--tsk-accent);
    font-weight: 800;
}

.rsg-acts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.rsg-board .rsg-acts {
    padding: 12px 14px 6px;
}

.rsg-board .rsg-acts .tsk-btn-main {
    flex: 1;
    min-width: 104px;
}

.rsg-board .rsg-acts .tsk-btn:disabled {
    opacity: .42;
    cursor: not-allowed;
}

.rsg-board-foot {
    padding: 3px 16px 14px;
    margin: 0;
    font-size: 10.5px;
    line-height: 1.7;
    color: var(--tsk-faint);
}

/* ---------- 自检结果区 ---------- */
.rsg-result {
    margin: 4px 0 26px;
    background: var(--tsk-card);
    border: 1px solid var(--tsk-line);
    border-radius: 16px;
    box-shadow: var(--tsk-shadow);
    padding: 20px 22px 22px;
}

.rsg-res-hd {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.rsg-res-hd .tsk-h2 {
    margin: 0;
}

.rsg-res-sub {
    margin: 4px 0 0;
    font-size: 11.5px;
    color: var(--tsk-faint);
}

.rsg-check-top {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 15px 0 12px;
}

.rsg-check-bar {
    flex: 1;
    height: 9px;
    border-radius: 99px;
    background: var(--tsk-line-2);
    overflow: hidden;
}

.rsg-check-bar span {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--rsg-red), var(--rsg-gold));
    transition: width .22s ease;
}

.rsg-check-count {
    font: 800 12px/1 var(--tsk-num);
    color: var(--tsk-brand-ink);
    white-space: nowrap;
}

.rsg-check-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
}

.rsg-check-list li {
    margin: 0;
}

.rsg-check-list label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 11px 13px;
    border: 1.5px solid var(--tsk-line);
    border-radius: 10px;
    background: var(--tsk-card-2);
    cursor: pointer;
    transition: .15s;
}

.rsg-check-list label:hover {
    border-color: var(--tsk-brand);
}

.rsg-check-list input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.rsg-check-list i {
    flex: 0 0 26px;
    height: 26px;
    border-radius: 7px;
    background: var(--tsk-brand-soft);
    color: var(--tsk-brand-ink);
    font: 800 13px/26px var(--tsk-num);
    font-style: normal;
    text-align: center;
    transition: .15s;
}

.rsg-check-list span {
    font-size: 11.5px;
    line-height: 1.7;
    color: var(--tsk-sub);
}

.rsg-check-list span b {
    display: block;
    margin-bottom: 2px;
    font-size: 12.5px;
    color: var(--tsk-ink);
}

.rsg-check-list input:checked + i {
    background: var(--rsg-red);
    color: #fff;
}

.rsg-check-list label:has(input:checked) {
    border-color: var(--rsg-red);
    background: var(--tsk-card);
}

.rsg-check-list input:focus-visible + i {
    box-shadow: 0 0 0 3px var(--tsk-brand-soft);
}

.rsg-res-note {
    margin: 13px 0 0;
    padding: 10px 13px;
    border-radius: 9px;
    background: var(--tsk-card-2);
    border-left: 3px solid var(--rsg-gold);
    font-size: 11.5px;
    line-height: 1.75;
    color: var(--tsk-sub);
}

.rsg-res-note.done {
    background: var(--rsg-gold-soft);
    color: var(--tsk-ink);
    font-weight: 700;
}

/* ---------- 口诀 ---------- */
.rsg-rhyme {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 26px;
    border-radius: 16px;
    background:
        radial-gradient(340px 160px at 92% 0%, rgba(224, 168, 0, .18), transparent 68%),
        linear-gradient(135deg, #fff6f1, #fffaf0);
    border: 1px solid var(--tsk-line);
    box-shadow: var(--tsk-shadow);
}

:root[data-theme="dark"] .rsg-rhyme {
    background:
        radial-gradient(340px 160px at 92% 0%, rgba(240, 189, 58, .12), transparent 68%),
        linear-gradient(135deg, #241a18, #241f16);
}

.rsg-rhyme-ic {
    flex: 0 0 auto;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--tsk-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: var(--tsk-shadow-sm);
}

.rsg-rhyme-body {
    flex: 1;
    min-width: 0;
}

.rsg-rhyme-body p {
    margin: 0;
    font: 700 15px/1.95 var(--tsk-font);
    color: var(--tsk-ink);
    letter-spacing: .08em;
}

.rsg-rhyme-body p:nth-child(2),
.rsg-rhyme-body p:nth-child(4) {
    color: var(--tsk-brand-ink);
}

.rsg-rhyme-tip {
    flex: 0 0 auto;
    max-width: 150px;
    padding: 9px 12px;
    border-radius: 9px;
    background: var(--tsk-card);
    font-size: 11px;
    line-height: 1.75;
    color: var(--tsk-sub);
    text-align: center;
}

/* ---------- 尺寸表 ---------- */
.rsg-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--tsk-line);
    border-radius: 12px;
    background: var(--tsk-card);
}

.rsg-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 560px;
}

.rsg-table th,
.rsg-table td {
    padding: 11px 14px;
    font-size: 12px;
    line-height: 1.7;
    text-align: left;
    border-bottom: 1px solid var(--tsk-line-2);
    vertical-align: top;
}

.rsg-table thead th {
    background: var(--tsk-card-2);
    color: var(--tsk-brand-ink);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .04em;
}

.rsg-table tbody tr:last-child td {
    border-bottom: 0;
}

.rsg-table .rsg-td-name {
    font-weight: 800;
    color: var(--tsk-ink);
    white-space: nowrap;
}

.rsg-size-note {
    margin: 11px 0 0;
    padding: 10px 13px;
    border-radius: 9px;
    background: var(--tsk-brand-soft);
    border-left: 3px solid var(--tsk-brand);
    font-size: 11.5px;
    line-height: 1.8;
    color: var(--tsk-sub);
}

/* ---------- 入队常识 ---------- */
.rsg-fact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 11px;
}

.rsg-fact {
    background: var(--tsk-card);
    border: 1px solid var(--tsk-line);
    border-radius: 12px;
    padding: 17px 18px;
    box-shadow: var(--tsk-shadow-sm);
}

.rsg-fact-ic {
    display: inline-flex;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--rsg-gold-soft);
    align-items: center;
    justify-content: center;
    font-size: 17px;
}

.rsg-fact h3 {
    margin: 10px 0 0;
    font-size: 14px;
    font-weight: 800;
    color: var(--tsk-ink);
}

.rsg-fact p {
    margin: 6px 0 0;
    font-size: 12px;
    line-height: 1.8;
    color: var(--tsk-sub);
}

/* ---------- 常见错误 ---------- */
.rsg-error-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 11px;
}

.rsg-error {
    display: flex;
    gap: 12px;
    padding: 16px 18px;
    border-radius: 12px;
    background: var(--tsk-card);
    border: 1px solid var(--tsk-line);
    box-shadow: var(--tsk-shadow-sm);
}

.rsg-error-mark {
    flex: 0 0 28px;
    height: 28px;
    border-radius: 8px;
    background: var(--tsk-brand-soft);
    color: var(--tsk-brand);
    font: 800 13px/28px var(--tsk-num);
    text-align: center;
}

.rsg-error h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 800;
    color: var(--tsk-ink);
}

.rsg-error p {
    margin: 4px 0 0;
    font-size: 11.5px;
    line-height: 1.75;
    color: var(--tsk-sub);
}

.rsg-error-fix b {
    display: inline-block;
    margin-right: 5px;
    padding: 1px 7px;
    border-radius: 99px;
    background: var(--rsg-gold-soft);
    color: var(--tsk-accent);
    font-size: 10.5px;
}

/* ---------- 练习节奏 ---------- */
.rsg-practice {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 11px;
}

.rsg-practice-day {
    padding: 16px 18px;
    border-radius: 12px;
    background: var(--tsk-card);
    border: 1px dashed var(--tsk-line);
}

.rsg-practice-day b {
    display: block;
    font-size: 13px;
    color: var(--tsk-brand-ink);
}

.rsg-practice-day span {
    display: block;
    margin-top: 5px;
    font-size: 11.5px;
    line-height: 1.75;
    color: var(--tsk-sub);
}

.rsg-practice-note {
    margin: 11px 0 0;
    font-size: 11.5px;
    line-height: 1.8;
    color: var(--tsk-faint);
}

/* ---------- 打印块 ---------- */
.rsg-print {
    display: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    .rsg-hero {
        grid-template-columns: 1fr;
    }

    .rsg-board {
        max-width: 460px;
    }
}

@media (max-width: 680px) {
    .rsg-check-list,
    .rsg-error-list,
    .rsg-practice {
        grid-template-columns: 1fr;
    }

    .rsg-rhyme {
        gap: 12px;
        padding: 18px;
        flex-wrap: wrap;
    }

    .rsg-rhyme-ic {
        width: 48px;
        height: 48px;
        font-size: 22px;
    }

    .rsg-rhyme-body p {
        font-size: 13px;
    }

    .rsg-rhyme-tip {
        max-width: none;
        width: 100%;
        text-align: left;
    }

    .rsg-board {
        max-width: none;
    }

    .rsg-res-hd {
        align-items: flex-start;
    }
}

/* ---------- 打印 ---------- */
@media print {
    .tsk.rsg {
        background: #fff;
    }

    .tsk.rsg .rsg-hero,
    .tsk.rsg .tsk-sec,
    .tsk.rsg .tsk-foot,
    .tsk.rsg .tskb,
    .tsk.rsg .tsk-hs,
    .tsk.rsg .crumb {
        display: none !important;
    }

    .tsk.rsg .tsk-wrap {
        max-width: none;
        padding: 0;
    }

    .rsg-result {
        margin: 0;
        padding: 0;
        border: 0;
        box-shadow: none;
    }

    .rsg-res-hd,
    .rsg-check-top,
    .rsg-check-list,
    .rsg-res-note {
        display: none !important;
    }

    .rsg-print {
        display: block;
    }

    .rsg-print h3 {
        margin: 0 0 12px;
        font-size: 18px;
        color: #9c0a22;
        text-align: center;
    }

    .rsg-print ol {
        margin: 0;
        padding-left: 20px;
    }

    .rsg-print li {
        margin-bottom: 12px;
        break-inside: avoid;
    }

    .rsg-print li b {
        display: block;
        font-size: 13px;
        color: #222;
    }

    .rsg-print li span {
        display: block;
        margin-top: 3px;
        font-size: 11.5px;
        line-height: 1.7;
        color: #444;
    }

    .rsg-print li em {
        display: block;
        margin-top: 3px;
        font-style: normal;
        font-size: 11px;
        color: #8a6d00;
    }

    .rsg-print-rhyme {
        margin: 16px 0 0;
        padding-top: 10px;
        border-top: 1px dashed #bbb;
        font-size: 11.5px;
        line-height: 1.8;
        color: #333;
    }

    .rsg-print-foot {
        margin: 14px 0 0;
        font-size: 9.5px;
        color: #999;
        text-align: center;
    }
}