/* ============================================================
   简历筛选漏斗与招聘渠道效果计算器 · 漏斗流光风（rsf-）
   深紫罗兰渐变 + 冷灰底 + 发光漏斗层，SaaS 数据面板气质
   ============================================================ */

.rsf-page {
    --rsf-primary: #5b3a8e;
    --rsf-violet: #8b5cf6;
    --rsf-violet-soft: #a78bfa;
    --rsf-mint: #0fae8a;
    --rsf-amber: #d97706;
    --rsf-rose: #e11d48;
    --rsf-bg: #f4f3fa;
    --rsf-card: #ffffff;
    --rsf-card-2: #faf9fe;
    --rsf-line: #e3dff0;
    --rsf-line-strong: #cfc6e8;
    --rsf-text: #241d3a;
    --rsf-muted: #6f6a85;
    --rsf-shadow: 0 10px 30px rgba(91, 58, 142, 0.10);
    --rsf-grad: linear-gradient(135deg, #8b5cf6 0%, #5b3a8e 100%);

    color: var(--rsf-text);
    font-size: 15px;
    line-height: 1.75;
}

[data-theme="dark"] .rsf-page {
    --rsf-primary: #b9a3ec;
    --rsf-violet: #8b5cf6;
    --rsf-violet-soft: #7c5fd6;
    --rsf-mint: #34d399;
    --rsf-amber: #fbbf24;
    --rsf-rose: #fb7185;
    --rsf-bg: #17131f;
    --rsf-card: #1f1a2c;
    --rsf-card-2: #241d33;
    --rsf-line: #342b4a;
    --rsf-line-strong: #4a3d68;
    --rsf-text: #ece8f7;
    --rsf-muted: #a79fc0;
    --rsf-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    --rsf-grad: linear-gradient(135deg, #7c5fd6 0%, #4c2f7e 100%);
}

.rsf-page h1, .rsf-page h2, .rsf-page h3 { line-height: 1.35; }
.rsf-page b, .rsf-page strong { color: var(--rsf-primary); }

/* ---------- 首屏 ---------- */
.rsf-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(240px, 0.85fr);
    gap: 28px 36px;
    padding: 34px 32px 30px;
    margin-bottom: 26px;
    border: 1px solid var(--rsf-line);
    border-radius: 22px;
    background:
        radial-gradient(120% 140% at 88% -20%, rgba(139, 92, 246, 0.16), transparent 55%),
        linear-gradient(180deg, var(--rsf-card) 0%, var(--rsf-card-2) 100%);
    box-shadow: var(--rsf-shadow);
    overflow: hidden;
}
.rsf-hero::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 5px;
    background: var(--rsf-grad);
}
.rsf-kicker {
    display: inline-block;
    padding: 4px 14px;
    margin-bottom: 14px;
    border-radius: 999px;
    border: 1px solid var(--rsf-line-strong);
    background: rgba(139, 92, 246, 0.10);
    color: var(--rsf-primary);
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.12em;
}
.rsf-hero h1 {
    margin: 0 0 12px;
    font-size: clamp(26px, 3.4vw, 38px);
    font-weight: 800;
    letter-spacing: 0.01em;
}
.rsf-hero-sub {
    margin: 0 0 16px;
    max-width: 62ch;
    color: var(--rsf-muted);
    font-size: 15.5px;
}
.rsf-hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.rsf-hero-chips li {
    padding: 5px 13px;
    border-radius: 999px;
    border: 1px solid var(--rsf-line);
    background: var(--rsf-card);
    color: var(--rsf-muted);
    font-size: 12.5px;
    font-weight: 600;
}

/* hero 漏斗装饰：6 层梯形流光 */
.rsf-hero-funnel {
    position: absolute;
    right: -8px;
    bottom: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    width: 190px;
    opacity: 0.9;
    pointer-events: none;
}
.rsf-hero-funnel i {
    display: block;
    height: 15px;
    border-radius: 4px;
    background: var(--rsf-grad);
    box-shadow: 0 0 14px rgba(139, 92, 246, 0.35);
    animation: rsf-pulse 3.2s ease-in-out infinite;
}
.rsf-hero-funnel i:nth-child(2) { animation-delay: 0.35s; opacity: 0.92; }
.rsf-hero-funnel i:nth-child(3) { animation-delay: 0.7s; opacity: 0.84; }
.rsf-hero-funnel i:nth-child(4) { animation-delay: 1.05s; opacity: 0.76; }
.rsf-hero-funnel i:nth-child(5) { animation-delay: 1.4s; opacity: 0.68; }
.rsf-hero-funnel i:nth-child(6) { animation-delay: 1.75s; opacity: 0.6; }
@keyframes rsf-pulse {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.25); }
}
@media (prefers-reduced-motion: reduce) {
    .rsf-hero-funnel i { animation: none; }
}

/* hero 读数卡 */
.rsf-hero-readout {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-self: start;
    padding: 20px 22px;
    border-radius: 18px;
    border: 1px solid var(--rsf-line-strong);
    background: var(--rsf-card);
    box-shadow: var(--rsf-shadow);
}
.rsf-readout-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--rsf-muted);
    text-transform: uppercase;
}
.rsf-readout-num {
    font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
    font-size: 34px;
    font-weight: 800;
    line-height: 1.15;
    background: var(--rsf-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.rsf-readout-avg { font-size: 14px; font-weight: 700; color: var(--rsf-text); }
.rsf-readout-meta { font-size: 12.5px; color: var(--rsf-muted); }
.rsf-readout-tip {
    margin-top: 6px;
    padding-top: 8px;
    border-top: 1px dashed var(--rsf-line);
    font-size: 11.5px;
    color: var(--rsf-muted);
}

/* ---------- 漏斗可视化 + KPI ---------- */
.rsf-funnelviz {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(250px, 0.8fr);
    gap: 22px;
    margin-bottom: 26px;
}
.rsf-funnel-chart {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
    padding: 24px 22px;
    border: 1px solid var(--rsf-line);
    border-radius: 20px;
    background:
        radial-gradient(100% 60% at 50% 0%, rgba(139, 92, 246, 0.08), transparent 70%),
        var(--rsf-card);
    box-shadow: var(--rsf-shadow);
}
.rsf-flayer {
    position: relative;
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr) 118px;
    align-items: center;
    gap: 12px;
    width: 100%;
}
.rsf-flayer-name {
    font-size: 12.5px;
    font-weight: 700;
    color: var(--rsf-muted);
    text-align: right;
    white-space: nowrap;
}
.rsf-flayer-bar-wrap { display: flex; justify-content: center; }
.rsf-flayer-bar {
    height: 30px;
    min-width: 26px;
    border-radius: 8px;
    background: var(--rsf-grad);
    box-shadow: 0 3px 12px rgba(139, 92, 246, 0.30);
    transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.rsf-flayer:nth-child(odd) .rsf-flayer-bar { filter: brightness(1.08); }
.rsf-flayer-val {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 13px;
    font-weight: 700;
    color: var(--rsf-text);
    white-space: nowrap;
}
.rsf-flayer-val small {
    display: block;
    font-weight: 500;
    color: var(--rsf-muted);
    font-size: 11.5px;
}
.rsf-flayer--leak .rsf-flayer-bar {
    background: linear-gradient(135deg, #f43f5e, #be123c);
    box-shadow: 0 3px 12px rgba(225, 29, 72, 0.28);
}
.rsf-flayer-empty {
    padding: 26px 0;
    color: var(--rsf-muted);
    font-size: 13.5px;
}

.rsf-kpis {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
.rsf-kpi {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 16px 14px;
    border: 1px solid var(--rsf-line);
    border-radius: 16px;
    background: var(--rsf-card);
    box-shadow: var(--rsf-shadow);
    overflow: hidden;
}
.rsf-kpi::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: var(--rsf-grad);
}
.rsf-kpi span { font-size: 12.5px; font-weight: 700; color: var(--rsf-muted); }
.rsf-kpi b {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 21px;
    font-weight: 800;
    color: var(--rsf-primary);
    line-height: 1.25;
}
.rsf-kpi small { font-size: 11.5px; color: var(--rsf-muted); }

/* ---------- 输入面板 ---------- */
.rsf-calc {
    display: grid;
    gap: 22px;
    margin-bottom: 26px;
}
.rsf-panel {
    padding: 24px 26px;
    border: 1px solid var(--rsf-line);
    border-radius: 20px;
    background: var(--rsf-card);
    box-shadow: var(--rsf-shadow);
}
.rsf-panel-head {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px dashed var(--rsf-line);
}
.rsf-step {
    flex: none;
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--rsf-grad);
    color: #fff;
    font-family: ui-monospace, Consolas, monospace;
    font-size: 15px;
    font-weight: 800;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.35);
}
.rsf-panel-head h2 { margin: 0 0 3px; font-size: 18px; font-weight: 800; }
.rsf-panel-head p { margin: 0; color: var(--rsf-muted); font-size: 13px; }

.rsf-grid1 { display: grid; gap: 14px; grid-template-columns: minmax(0, 320px); margin-bottom: 14px; }
.rsf-grid2 { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 12px; }
.rsf-grid3 { display: grid; gap: 14px; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-bottom: 12px; }

.rsf-field { display: flex; flex-direction: column; gap: 5px; }
.rsf-label { font-size: 12.5px; font-weight: 700; color: var(--rsf-muted); }
.rsf-input-wrap, .rsf-select-wrap { position: relative; display: block; }
.rsf-input {
    width: 100%;
    padding: 10px 44px 10px 13px;
    border: 1.5px solid var(--rsf-line-strong);
    border-radius: 12px;
    background: var(--rsf-card-2);
    color: var(--rsf-text);
    font-size: 14.5px;
    font-family: ui-monospace, Consolas, monospace;
    transition: border-color 0.18s, box-shadow 0.18s;
}
select.rsf-input { padding-right: 30px; appearance: none; cursor: pointer; }
.rsf-select-wrap::after {
    content: "▾";
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--rsf-muted);
    font-size: 12px;
    pointer-events: none;
}
.rsf-input:focus {
    outline: none;
    border-color: var(--rsf-violet);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.18);
}
.rsf-input.is-invalid {
    border-color: var(--rsf-rose);
    box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.14);
}
.rsf-input:disabled { opacity: 0.5; cursor: not-allowed; }
.rsf-unit {
    position: absolute;
    right: 13px;
    top: 50%;
    transform: translateY(-50%);
    font-style: normal;
    font-size: 12px;
    color: var(--rsf-muted);
    pointer-events: none;
}
.rsf-hint {
    margin: 10px 0 0;
    padding: 10px 14px;
    border-radius: 12px;
    background: rgba(139, 92, 246, 0.07);
    border: 1px dashed var(--rsf-line-strong);
    color: var(--rsf-muted);
    font-size: 12.5px;
    line-height: 1.7;
}

/* 模式切换的计数/比率盒 */
.rsf-counts, .rsf-rates { padding-top: 4px; }
.rsf-counts .rsf-label::before, .rsf-rates .rsf-label::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 6px;
    border-radius: 50%;
    background: var(--rsf-violet);
    vertical-align: 1px;
}

/* 渠道批量表 */
.rsf-chanthead, .rsf-chanrow {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 12px;
    align-items: center;
}
.rsf-chanthead {
    padding: 0 2px 8px;
    border-bottom: 2px solid var(--rsf-line-strong);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: var(--rsf-primary);
}
.rsf-chanlist { display: flex; flex-direction: column; gap: 10px; margin: 12px 0 16px; }
.rsf-chanrow .rsf-chan-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--rsf-text);
}
.rsf-chan-dot {
    flex: none;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--rsf-grad);
    box-shadow: 0 0 8px rgba(139, 92, 246, 0.5);
}
.rsf-chanrow .rsf-input { padding-right: 12px; }

/* 报错 + 操作 */
.rsf-error {
    margin: 4px 0 12px;
    padding: 11px 15px;
    border-radius: 12px;
    border: 1px solid rgba(225, 29, 72, 0.35);
    background: rgba(225, 29, 72, 0.08);
    color: var(--rsf-rose);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.6;
}
.rsf-actions, .rsf-result-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.rsf-btn {
    padding: 10px 22px;
    border: 1.5px solid var(--rsf-line-strong);
    border-radius: 12px;
    background: var(--rsf-card);
    color: var(--rsf-text);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.rsf-btn:hover { transform: translateY(-1px); border-color: var(--rsf-violet); }
.rsf-btn--primary {
    border-color: transparent;
    background: var(--rsf-grad);
    color: #fff;
    box-shadow: 0 6px 18px rgba(139, 92, 246, 0.35);
}
.rsf-btn--primary:hover { box-shadow: 0 9px 22px rgba(139, 92, 246, 0.45); }

/* ---------- 结果区 ---------- */
.rsf-results {
    display: grid;
    gap: 22px;
    margin-bottom: 30px;
}
.rsf-result-card {
    padding: 24px 26px;
    border: 1px solid var(--rsf-line);
    border-radius: 20px;
    background: var(--rsf-card);
    box-shadow: var(--rsf-shadow);
}
.rsf-result-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.rsf-result-tag {
    padding: 5px 15px;
    border-radius: 999px;
    background: var(--rsf-grad);
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}
.rsf-result-note { font-size: 13px; color: var(--rsf-muted); }
.rsf-result-note b {
    font-family: ui-monospace, Consolas, monospace;
    color: var(--rsf-primary);
    font-size: 15px;
}

.rsf-table-scroll { overflow-x: auto; }
.rsf-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
    min-width: 560px;
}
.rsf-table th {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 2px solid var(--rsf-line-strong);
    background: rgba(139, 92, 246, 0.06);
    color: var(--rsf-primary);
    font-size: 12.5px;
    font-weight: 800;
    letter-spacing: 0.04em;
    white-space: nowrap;
}
.rsf-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--rsf-line);
    font-family: ui-monospace, Consolas, monospace;
    white-space: nowrap;
}
.rsf-table td:first-child { font-family: inherit; font-weight: 700; }
.rsf-table tbody tr:hover { background: rgba(139, 92, 246, 0.05); }
.rsf-table .is-good { color: var(--rsf-mint); font-weight: 700; }
.rsf-table .is-warn { color: var(--rsf-amber); font-weight: 700; }
.rsf-table .is-bad { color: var(--rsf-rose); font-weight: 700; }
.rsf-table .is-dim { color: var(--rsf-muted); }
.rsf-table-empty { text-align: center; color: var(--rsf-muted); font-family: inherit; }
.rsf-chan-note {
    margin: 10px 0 0;
    font-size: 12px;
    color: var(--rsf-muted);
    line-height: 1.7;
}

/* 结论 */
.rsf-verdict {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}
.rsf-verdict-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 13px 16px;
    border-radius: 14px;
    border: 1px solid var(--rsf-line);
    background: var(--rsf-card-2);
    font-size: 13.5px;
    line-height: 1.7;
}
.rsf-verdict-item .rsf-vi-icon { flex: none; font-size: 17px; line-height: 1.5; }
.rsf-verdict-item.is-mint { border-color: rgba(15, 174, 138, 0.4); background: rgba(15, 174, 138, 0.07); }
.rsf-verdict-item.is-amber { border-color: rgba(217, 119, 6, 0.4); background: rgba(217, 119, 6, 0.07); }
.rsf-verdict-item.is-rose { border-color: rgba(225, 29, 72, 0.4); background: rgba(225, 29, 72, 0.06); }

.rsf-notes { display: grid; gap: 8px; margin-top: 14px; }
.rsf-note {
    padding: 10px 14px;
    border-left: 3px solid var(--rsf-violet);
    border-radius: 0 12px 12px 0;
    background: rgba(139, 92, 246, 0.06);
    font-size: 12.5px;
    color: var(--rsf-muted);
    line-height: 1.7;
}
.rsf-result-foot { margin: 14px 0 0; font-size: 12px; color: var(--rsf-muted); }

/* 优先级徽章 */
.rsf-rank {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-family: inherit;
    font-size: 11.5px;
    font-weight: 800;
}
.rsf-rank--1 { background: var(--rsf-grad); color: #fff; }
.rsf-rank--2 { background: rgba(139, 92, 246, 0.16); color: var(--rsf-primary); }
.rsf-rank--3 { background: rgba(111, 106, 133, 0.14); color: var(--rsf-muted); }

/* ---------- A4 报表 ---------- */
.rsf-sheet-wrap { margin-bottom: 34px; }
.rsf-sheet-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 16px;
}
.rsf-sheet-kicker {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.14em;
    color: var(--rsf-violet);
    text-transform: uppercase;
}
.rsf-sheet-head h2 { margin: 4px 0 6px; font-size: 22px; font-weight: 800; }
.rsf-sheet-head p { margin: 0; max-width: 60ch; color: var(--rsf-muted); font-size: 13px; }
.rsf-sheet-badge {
    padding: 5px 14px;
    border-radius: 999px;
    border: 1px dashed var(--rsf-line-strong);
    color: var(--rsf-muted);
    font-size: 12px;
    font-weight: 700;
}

.rsf-sheet {
    padding: 30px 34px;
    border: 1px solid var(--rsf-line);
    border-radius: 14px;
    background: #fff;
    color: #1f2937;
    box-shadow: var(--rsf-shadow);
    font-size: 13px;
    line-height: 1.65;
}
[data-theme="dark"] .rsf-sheet { background: #f7f5fb; color: #1f2937; }
.rsf-sheet-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding-bottom: 12px;
    border-bottom: 3px double #5b3a8e;
}
.rsf-sheet-top h3 { margin: 0 0 3px; font-size: 18px; color: #3b2560; }
.rsf-sheet-top p { margin: 0; font-size: 12px; color: #6b7280; }
.rsf-sheet-meta { text-align: right; font-size: 12px; color: #4b5563; display: flex; flex-direction: column; gap: 3px; }
.rsf-sheet-meta b { font-family: ui-monospace, Consolas, monospace; color: #3b2560; }
.rsf-sheet-info {
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: 8px 22px;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #d8d3e8;
    font-size: 12.5px;
    color: #4b5563;
}
.rsf-sheet-info b { font-family: ui-monospace, Consolas, monospace; color: #3b2560; }
.rsf-sheet-table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 12.5px; }
.rsf-sheet-table th {
    padding: 7px 10px;
    text-align: left;
    background: #efeaf9;
    border: 1px solid #d8d3e8;
    color: #3b2560;
    font-weight: 800;
}
.rsf-sheet-table td { padding: 7px 10px; border: 1px solid #e2dded; font-family: ui-monospace, Consolas, monospace; }
.rsf-sheet-table td:nth-child(2) { font-family: inherit; }
.rsf-sheet-table .w-no { width: 42px; }
.rsf-sheet-table .w-sub { width: 110px; }
.rsf-sheet-summary { margin: 14px 0; border: 1px solid #d8d3e8; border-radius: 8px; overflow: hidden; }
.rsf-sheet-row {
    display: flex;
    justify-content: space-between;
    padding: 9px 14px;
    border-bottom: 1px dashed #e2dded;
    font-size: 13px;
    color: #4b5563;
}
.rsf-sheet-row:last-child { border-bottom: none; }
.rsf-sheet-row b { font-family: ui-monospace, Consolas, monospace; color: #3b2560; }
.rsf-sheet-row--total { background: #efeaf9; }
.rsf-sheet-row--total span, .rsf-sheet-row--total b { font-weight: 800; color: #3b2560; }
.rsf-sheet-notes { padding: 12px 14px; border-radius: 8px; background: #f6f3fc; font-size: 11.5px; color: #5b5470; }
.rsf-sheet-notes p { margin: 0 0 6px; }
.rsf-sheet-notes p:last-child { margin-bottom: 0; }
.rsf-sheet-foot { margin-top: 14px; text-align: center; font-size: 11px; color: #9ca3af; }

/* ---------- 参考 / 规则 / FAQ 区块 ---------- */
.rsf-reference, .rsf-rules, .rsf-faq { margin-bottom: 34px; }
.rsf-section-head { margin-bottom: 18px; }
.rsf-section-kicker {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.16em;
    color: var(--rsf-violet);
    text-transform: uppercase;
}
.rsf-section-head h2 { margin: 6px 0 6px; font-size: 23px; font-weight: 800; }
.rsf-section-head p { margin: 0; color: var(--rsf-muted); font-size: 13.5px; }

.rsf-ref-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.rsf-ref-card {
    padding: 20px 22px;
    border: 1px solid var(--rsf-line);
    border-radius: 18px;
    background: var(--rsf-card);
    box-shadow: var(--rsf-shadow);
}
.rsf-ref-card h3 { margin: 0 0 2px; font-size: 16px; font-weight: 800; }
.rsf-ref-sub { margin: 0 0 12px; font-size: 12px; color: var(--rsf-muted); }
.rsf-ref-card .rsf-table { min-width: 0; }
.rsf-ref-card .rsf-table td.is-price { color: var(--rsf-primary); font-weight: 700; }
.rsf-ref-note {
    margin: 16px 0 0;
    padding: 13px 17px;
    border-radius: 14px;
    border: 1px dashed var(--rsf-line-strong);
    background: rgba(15, 174, 138, 0.06);
    font-size: 13px;
    color: var(--rsf-muted);
    line-height: 1.75;
}
.rsf-ref-note b { color: var(--rsf-mint); }

.rsf-rule-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 18px; }
.rsf-rule {
    padding: 18px 18px 16px;
    border: 1px solid var(--rsf-line);
    border-radius: 16px;
    background: var(--rsf-card);
    box-shadow: var(--rsf-shadow);
}
.rsf-rule-no {
    display: inline-grid;
    place-items: center;
    width: 30px;
    height: 30px;
    margin-bottom: 10px;
    border-radius: 10px;
    background: rgba(139, 92, 246, 0.14);
    color: var(--rsf-primary);
    font-size: 15px;
    font-weight: 800;
}
.rsf-rule h3 { margin: 0 0 6px; font-size: 15px; font-weight: 800; }
.rsf-rule p { margin: 0; font-size: 12.5px; color: var(--rsf-muted); line-height: 1.7; }

.rsf-example {
    padding: 20px 24px;
    border-radius: 18px;
    border: 1px solid var(--rsf-line-strong);
    background:
        radial-gradient(90% 120% at 100% 0%, rgba(139, 92, 246, 0.10), transparent 60%),
        var(--rsf-card-2);
}
.rsf-example h3 { margin: 0 0 8px; font-size: 16px; font-weight: 800; }
.rsf-example p { margin: 0 0 8px; font-size: 13.5px; line-height: 1.85; color: var(--rsf-text); }
.rsf-example-note { color: var(--rsf-muted); font-size: 12.5px; }

.rsf-faq .faq-list { display: grid; gap: 12px; }
.rsf-faq .faq-item {
    border: 1px solid var(--rsf-line);
    border-radius: 16px;
    background: var(--rsf-card);
    padding: 4px 20px;
    box-shadow: none;
}
.rsf-faq .faq-item summary { font-weight: 800; font-size: 14.5px; }
.rsf-faq .faq-a { font-size: 13.5px; color: var(--rsf-muted); line-height: 1.85; }

/* 返回顶部 */
.rsf-top {
    position: fixed;
    right: 22px;
    bottom: 26px;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 14px;
    background: var(--rsf-grad);
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.4);
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s;
    z-index: 60;
}
.rsf-top.is-show { opacity: 1; transform: none; pointer-events: auto; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
    .rsf-hero { grid-template-columns: 1fr; }
    .rsf-hero-funnel { display: none; }
    .rsf-funnelviz { grid-template-columns: 1fr; }
    .rsf-grid3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .rsf-ref-grid, .rsf-rule-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
    .rsf-hero { padding: 24px 18px; }
    .rsf-panel, .rsf-result-card { padding: 18px 16px; }
    .rsf-grid2, .rsf-grid3 { grid-template-columns: 1fr; }
    .rsf-kpis { grid-template-columns: 1fr 1fr; }
    .rsf-ref-grid, .rsf-rule-grid { grid-template-columns: 1fr; }
    .rsf-chanthead, .rsf-chanrow { grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr) minmax(0, 0.9fr); gap: 8px; }
    .rsf-flayer { grid-template-columns: 72px minmax(0, 1fr) 96px; }
    .rsf-sheet { padding: 20px 16px; }
    .rsf-sheet-info { grid-template-columns: 1fr 1fr; }
}

/* ---------- 打印：仅 A4 报表 ---------- */
@media print {
    .rsf-page .rsf-hero, .rsf-page .rsf-funnelviz, .rsf-page .rsf-calc,
    .rsf-page .rsf-results, .rsf-page .rsf-reference, .rsf-page .rsf-rules,
    .rsf-page .rsf-faq, .rsf-page .related, .rsf-page .rsf-comments,
    .rsf-sheet-head, .rsf-top, .detail-breadcrumb {
        display: none !important;
    }
    .rsf-sheet-wrap { margin: 0; }
    .rsf-sheet { border: none; border-radius: 0; box-shadow: none; padding: 0; }
    .detail-wrap, .container { padding: 0; margin: 0; max-width: none; }
}