/* ==========================================================================
   供应商报价比价与账期成本计算器 /tool/supplier-price-compare-calc
   视觉主题：采购台账 · 车间看板 —— 冷灰蓝图纸 + 海军蓝钢构 + 琥珀最优标
   数字用等宽体（单据感），标题用无衬线加粗（看板感），全站独立配色
   深浅双主题：跟随导航栏 #themeToggle，页面内不另设开关
   ========================================================================== */

.spc-page {
    /* ---- 浅色（默认）：工程图纸冷灰 ---- */
    --spc-bg: #eef1f6;
    --spc-bg-2: #e2e8f0;
    --spc-card: #ffffff;
    --spc-card-2: #f7f9fc;
    --spc-ink: #10202f;
    --spc-ink-2: #435769;
    --spc-ink-3: #7a8b9d;
    --spc-line: #d7dfe9;
    --spc-line-2: #e9eef4;
    --spc-navy: #123a5f;
    --spc-navy-2: #1d6796;
    --spc-navy-soft: #e3edf6;
    --spc-amber: #a9640c;
    --spc-amber-2: #d98a1b;
    --spc-amber-soft: #fbf0da;
    --spc-teal: #0b7480;
    --spc-teal-soft: #ddf0f1;
    --spc-red: #a32330;
    --spc-red-soft: #fbe5e7;
    --spc-green: #1a6f49;
    --spc-green-soft: #e0f2e8;
    --spc-shadow: 0 20px 46px rgba(18, 58, 95, .13);
    --spc-shadow-sm: 0 6px 18px rgba(18, 58, 95, .09);
    --spc-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    --spc-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --spc-radius: 18px;

    position: relative;
    margin-top: 22px;
    padding: 28px 28px 32px;
    border-radius: var(--spc-radius);
    border: 1px solid var(--spc-line);
    background:
        linear-gradient(180deg, var(--spc-bg-2), var(--spc-bg));
    box-shadow: var(--spc-shadow);
    color: var(--spc-ink);
    font-family: var(--spc-sans);
    font-size: 14.5px;
    line-height: 1.75;
    overflow: hidden;
    font-variant-numeric: tabular-nums;
}

/* 图纸网格 */
.spc-page::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(18, 58, 95, .055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(18, 58, 95, .055) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: 0;
}
.spc-page > * { position: relative; z-index: 1; }
.spc-page * { box-sizing: border-box; }

:root[data-theme="dark"] .spc-page {
    --spc-bg: #080d14;
    --spc-bg-2: #0d1622;
    --spc-card: #111d2b;
    --spc-card-2: #16242f;
    --spc-ink: #e6eef6;
    --spc-ink-2: #a2b4c5;
    --spc-ink-3: #74889b;
    --spc-line: #21344a;
    --spc-line-2: #1a2939;
    --spc-navy: #7cb8e8;
    --spc-navy-2: #a6d0f2;
    --spc-navy-soft: #12293e;
    --spc-amber: #f0b45c;
    --spc-amber-2: #ffcd85;
    --spc-amber-soft: #2e2313;
    --spc-teal: #57c7d1;
    --spc-teal-soft: #102c30;
    --spc-red: #ff8e99;
    --spc-red-soft: #33161b;
    --spc-green: #5fd3a0;
    --spc-green-soft: #0f2c22;
    --spc-shadow: 0 22px 54px rgba(0, 0, 0, .6);
    --spc-shadow-sm: 0 6px 20px rgba(0, 0, 0, .45);
    background: linear-gradient(180deg, var(--spc-bg-2), var(--spc-bg));
}
:root[data-theme="dark"] .spc-page::before {
    background-image:
        linear-gradient(rgba(124, 184, 232, .07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 184, 232, .07) 1px, transparent 1px);
}

/* ===================== 排版基座 ===================== */
.spc-page h1,
.spc-page h2,
.spc-page h3,
.spc-page h4 { margin: 0; line-height: 1.36; }
.spc-page h1 {
    font-size: 33px;
    font-weight: 800;
    letter-spacing: -.5px;
    color: var(--spc-ink);
}
.spc-page h1 em { font-style: normal; color: var(--spc-amber); }
.spc-page h2 { font-size: 20px; font-weight: 800; letter-spacing: -.2px; color: var(--spc-ink); }
.spc-page h3 { font-size: 15px; font-weight: 700; color: var(--spc-ink); }
.spc-page b { font-weight: 700; }
.spc-page a { color: var(--spc-navy-2); }
.spc-mono { font-family: var(--spc-mono); font-variant-numeric: tabular-nums; }

/* ===================== 首屏 ===================== */
.spc-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 388px;
    gap: 28px;
    align-items: start;
}
.spc-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11.5px;
    font-weight: 800;
    letter-spacing: 2.2px;
    text-transform: uppercase;
    color: var(--spc-navy-2);
    background: var(--spc-navy-soft);
    border: 1px solid color-mix(in srgb, var(--spc-navy-2) 30%, transparent);
    border-radius: 6px;
    padding: 4px 12px 4px 10px;
    margin-bottom: 13px;
}
.spc-kicker::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 2px;
    background: var(--spc-navy-2);
}
.spc-lead {
    margin: 12px 0 15px;
    font-size: 15.5px;
    line-height: 1.95;
    color: var(--spc-ink-2);
    max-width: 62ch;
}
.spc-lead b { color: var(--spc-navy); }
.spc-lead i { font-style: normal; color: var(--spc-amber); font-weight: 700; }

.spc-tags { list-style: none; margin: 0 0 18px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.spc-tags li {
    font-size: 11.5px;
    color: var(--spc-ink-2);
    background: var(--spc-card);
    border: 1px solid var(--spc-line);
    border-left: 3px solid var(--spc-navy-2);
    border-radius: 5px;
    padding: 4px 10px;
    box-shadow: var(--spc-shadow-sm);
    font-weight: 600;
}
.spc-hero-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.spc-hero-note { margin: 11px 0 0; font-size: 12.5px; color: var(--spc-ink-3); }

/* ---------- 按钮 ---------- */
.spc-btn {
    appearance: none;
    border: 1px solid var(--spc-line);
    background: var(--spc-card);
    color: var(--spc-ink);
    font-family: inherit;
    font-size: 13.5px;
    font-weight: 700;
    padding: 9px 16px;
    border-radius: 9px;
    cursor: pointer;
    transition: transform .14s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
    box-shadow: var(--spc-shadow-sm);
}
.spc-btn:hover { transform: translateY(-1px); border-color: var(--spc-navy-2); }
.spc-btn:active { transform: none; }
.spc-btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.spc-btn--primary {
    background: linear-gradient(135deg, var(--spc-navy), var(--spc-navy-2));
    border-color: transparent;
    color: #fff;
}
:root[data-theme="dark"] .spc-btn--primary { color: #06131f; }
.spc-btn--amber {
    background: linear-gradient(135deg, var(--spc-amber), var(--spc-amber-2));
    border-color: transparent;
    color: #fff;
}
:root[data-theme="dark"] .spc-btn--amber { color: #241705; }
.spc-btn--ghost { background: transparent; box-shadow: none; color: var(--spc-ink-2); }
.spc-btn--ghost:hover { background: var(--spc-card-2); color: var(--spc-ink); }

/* ---------- 最优供应商仪表卡 ---------- */
.spc-verdict {
    background: var(--spc-card);
    border: 1px solid var(--spc-line);
    border-radius: 14px;
    padding: 16px 18px 14px;
    box-shadow: var(--spc-shadow-sm);
    position: relative;
    overflow: hidden;
}
.spc-verdict::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, var(--spc-navy), var(--spc-navy-2) 55%, var(--spc-amber));
}
.spc-verdict-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    font-size: 11.5px;
    letter-spacing: 1.4px;
    color: var(--spc-ink-3);
    text-transform: uppercase;
    font-weight: 700;
}
.spc-verdict-name {
    font-size: 21px;
    font-weight: 800;
    color: var(--spc-ink);
    margin: 4px 0 2px;
    letter-spacing: -.2px;
}
.spc-verdict-price {
    font-family: var(--spc-mono);
    font-size: 34px;
    font-weight: 700;
    color: var(--spc-amber);
    letter-spacing: -1px;
    line-height: 1.15;
}
.spc-verdict-price small { font-size: 13px; font-weight: 600; color: var(--spc-ink-3); margin-left: 4px; letter-spacing: 0; }
.spc-verdict-sub { font-size: 12.5px; color: var(--spc-ink-2); margin-top: 4px; }
.spc-badge-best {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 800;
    padding: 3px 9px;
    border-radius: 4px;
    background: var(--spc-amber-soft);
    color: var(--spc-amber);
    border: 1px solid color-mix(in srgb, var(--spc-amber) 34%, transparent);
    letter-spacing: .5px;
}
.spc-kpis {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 12px;
}
.spc-kpi {
    background: var(--spc-card-2);
    border: 1px solid var(--spc-line-2);
    border-radius: 9px;
    padding: 8px 10px;
    min-width: 0;
}
.spc-kpi span { display: block; font-size: 11px; color: var(--spc-ink-3); }
.spc-kpi b { font-family: var(--spc-mono); font-size: 15px; font-weight: 700; color: var(--spc-ink); display: block; margin-top: 1px; }
.spc-kpi b[data-tone="good"] { color: var(--spc-green); }
.spc-kpi b[data-tone="warn"] { color: var(--spc-amber); }
.spc-kpi b[data-tone="bad"] { color: var(--spc-red); }

/* ---------- 成本拆解条 ---------- */
.spc-stack {
    margin-top: 12px;
    display: flex;
    height: 12px;
    border-radius: 4px;
    overflow: hidden;
    background: var(--spc-line-2);
    border: 1px solid var(--spc-line);
}
.spc-stack i { display: block; height: 100%; }
.spc-stack i[data-k="base"] { background: var(--spc-navy); }
.spc-stack i[data-k="ship"] { background: var(--spc-teal); }
.spc-stack i[data-k="fund"] { background: var(--spc-amber-2); }
.spc-stack i[data-k="qc"] { background: var(--spc-red); }
.spc-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 14px;
    margin-top: 8px;
    font-size: 11.5px;
    color: var(--spc-ink-2);
}
.spc-legend span { display: inline-flex; align-items: center; gap: 5px; }
.spc-legend em { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }
.spc-legend em[data-k="base"] { background: var(--spc-navy); }
.spc-legend em[data-k="ship"] { background: var(--spc-teal); }
.spc-legend em[data-k="fund"] { background: var(--spc-amber-2); }
.spc-legend em[data-k="qc"] { background: var(--spc-red); }
.spc-legend b { font-family: var(--spc-mono); color: var(--spc-ink); }

/* ===================== 预设条 ===================== */
.spc-presets {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 20px 0 0;
    padding: 11px 14px;
    background: var(--spc-card);
    border: 1px solid var(--spc-line);
    border-radius: 12px;
    box-shadow: var(--spc-shadow-sm);
}
.spc-presets-label {
    font-size: 11.5px;
    font-weight: 800;
    letter-spacing: 1.4px;
    color: var(--spc-ink-3);
    text-transform: uppercase;
}
.spc-presets button {
    font-family: inherit;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--spc-ink-2);
    background: var(--spc-card-2);
    border: 1px solid var(--spc-line);
    border-radius: 7px;
    padding: 5px 11px;
    cursor: pointer;
    transition: all .16s ease;
}
.spc-presets button:hover { color: var(--spc-navy); border-color: var(--spc-navy-2); background: var(--spc-navy-soft); }

/* ===================== 提示条 ===================== */
.spc-errbar {
    margin-top: 12px;
    padding: 10px 14px;
    border-radius: 9px;
    font-size: 13px;
    font-weight: 600;
    background: var(--spc-red-soft);
    color: var(--spc-red);
    border: 1px solid color-mix(in srgb, var(--spc-red) 32%, transparent);
}
.spc-errbar[data-tone="info"] {
    background: var(--spc-navy-soft);
    color: var(--spc-navy);
    border-color: color-mix(in srgb, var(--spc-navy-2) 30%, transparent);
}

/* ===================== 面板 ===================== */
.spc-panel {
    margin-top: 16px;
    background: var(--spc-card);
    border: 1px solid var(--spc-line);
    border-radius: 14px;
    padding: 20px 22px 22px;
    box-shadow: var(--spc-shadow-sm);
}
.spc-panel-head { margin-bottom: 16px; }
.spc-panel-head h2 { display: inline; }
.spc-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    height: 22px;
    padding: 0 7px;
    margin-right: 9px;
    border-radius: 5px;
    background: var(--spc-navy);
    color: #fff;
    font-family: var(--spc-mono);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: .5px;
    vertical-align: 3px;
}
:root[data-theme="dark"] .spc-step { color: #06131f; }
.spc-panel-head p {
    margin: 7px 0 0;
    font-size: 13.5px;
    line-height: 1.85;
    color: var(--spc-ink-2);
    max-width: 96ch;
}
.spc-panel-head p b { color: var(--spc-navy); }

.spc-cols {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}
/* ---------- 表单 ---------- */
.spc-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 12px;
}
.spc-field { display: block; min-width: 0; }
.spc-label {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--spc-ink);
    margin-bottom: 5px;
}
.spc-label small { font-size: 11.5px; font-weight: 500; color: var(--spc-ink-3); }
.spc-input-row { display: flex; align-items: stretch; }
.spc-input {
    flex: 1 1 auto;
    min-width: 0;
    height: 38px;
    padding: 0 11px;
    font-family: var(--spc-mono);
    font-size: 14px;
    color: var(--spc-ink);
    background: var(--spc-card-2);
    border: 1px solid var(--spc-line);
    border-radius: 8px 0 0 8px;
    outline: none;
    transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}
.spc-input:focus {
    border-color: var(--spc-navy-2);
    box-shadow: 0 0 0 3px var(--spc-navy-soft);
    background: var(--spc-card);
}
.spc-input--plain { border-radius: 8px; }
.spc-unit {
    display: inline-flex;
    align-items: center;
    padding: 0 10px;
    font-size: 12px;
    font-weight: 600;
    color: var(--spc-ink-3);
    background: var(--spc-card-2);
    border: 1px solid var(--spc-line);
    border-left: none;
    border-radius: 0 8px 8px 0;
    white-space: nowrap;
}
.spc-range {
    width: 100%;
    margin: 8px 0 0;
    height: 4px;
    appearance: none;
    background: var(--spc-line);
    border-radius: 3px;
    outline: none;
}
.spc-range::-webkit-slider-thumb {
    appearance: none;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--spc-navy-2);
    border: 2px solid var(--spc-card);
    box-shadow: 0 1px 4px rgba(18, 58, 95, .3);
    cursor: pointer;
}
.spc-range::-moz-range-thumb {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--spc-navy-2);
    border: 2px solid var(--spc-card);
    cursor: pointer;
}
.spc-hint { margin: 12px 0 0; font-size: 12.5px; line-height: 1.8; color: var(--spc-ink-3); }

/* ===================== 供应商表格 ===================== */
.spc-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--spc-line);
    border-radius: 11px;
    background: var(--spc-card);
}
.spc-table { width: 100%; border-collapse: collapse; min-width: 880px; }
.spc-table th, .spc-table td {
    padding: 9px 10px;
    border-bottom: 1px solid var(--spc-line-2);
    text-align: right;
    font-size: 13px;
    white-space: nowrap;
}
.spc-table th {
    background: var(--spc-card-2);
    color: var(--spc-ink-3);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: .6px;
    text-align: right;
    position: sticky;
    top: 0;
    z-index: 2;
}
.spc-table th:first-child, .spc-table td:first-child { text-align: left; }
.spc-table tbody tr:hover { background: var(--spc-card-2); }
.spc-table tbody tr[data-best="1"] { background: var(--spc-amber-soft); }
:root[data-theme="dark"] .spc-table tbody tr[data-best="1"] { background: rgba(240, 180, 92, .10); }
.spc-table tbody tr:last-child td { border-bottom: none; }
.spc-cell-input {
    width: 100%;
    height: 32px;
    padding: 0 8px;
    font-family: var(--spc-mono);
    font-size: 13px;
    color: var(--spc-ink);
    background: var(--spc-card-2);
    border: 1px solid var(--spc-line);
    border-radius: 6px;
    outline: none;
}
.spc-cell-input:focus { border-color: var(--spc-navy-2); box-shadow: 0 0 0 2px var(--spc-navy-soft); }
.spc-cell-input--name { font-family: var(--spc-sans); font-weight: 700; min-width: 132px; }
.spc-cell-num { font-family: var(--spc-mono); font-weight: 700; color: var(--spc-ink); }
.spc-cell-num[data-tone="best"] { color: var(--spc-amber); }
.spc-cell-num[data-tone="warn"] { color: var(--spc-red); }
.spc-cell-sub { font-size: 11px; color: var(--spc-ink-3); font-family: var(--spc-sans); font-weight: 500; }
.spc-row-del {
    appearance: none;
    border: 1px solid var(--spc-line);
    background: var(--spc-card-2);
    color: var(--spc-ink-3);
    width: 26px; height: 26px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
    line-height: 1;
    transition: all .15s ease;
}
.spc-row-del:hover { color: var(--spc-red); border-color: var(--spc-red); background: var(--spc-red-soft); }
.spc-row-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px; height: 20px;
    border-radius: 5px;
    font-family: var(--spc-mono);
    font-size: 11px;
    font-weight: 700;
    background: var(--spc-card-2);
    border: 1px solid var(--spc-line);
    color: var(--spc-ink-2);
}
.spc-row-rank[data-best="1"] { background: var(--spc-amber); border-color: transparent; color: #fff; }
:root[data-theme="dark"] .spc-row-rank[data-best="1"] { color: #241705; }
.spc-sup-name { display: flex; align-items: center; gap: 8px; }

/* ===================== 结果对照 ===================== */
.spc-facts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
    margin-top: 16px;
}
.spc-fact {
    background: var(--spc-card-2);
    border: 1px solid var(--spc-line-2);
    border-left: 3px solid var(--spc-navy-2);
    border-radius: 9px;
    padding: 10px 12px;
}
.spc-fact span { font-size: 11.5px; color: var(--spc-ink-3); }
.spc-fact b { display: block; font-family: var(--spc-mono); font-size: 17px; font-weight: 700; color: var(--spc-ink); margin-top: 2px; }
.spc-fact[data-tone="good"] { border-left-color: var(--spc-green); }
.spc-fact[data-tone="good"] b { color: var(--spc-green); }
.spc-fact[data-tone="warn"] { border-left-color: var(--spc-amber); }
.spc-fact[data-tone="warn"] b { color: var(--spc-amber); }
.spc-fact[data-tone="bad"] { border-left-color: var(--spc-red); }
.spc-fact[data-tone="bad"] b { color: var(--spc-red); }

.spc-advice { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.spc-advice li {
    display: flex;
    gap: 9px;
    padding: 10px 12px;
    border-radius: 9px;
    font-size: 13px;
    line-height: 1.7;
    background: var(--spc-card-2);
    border: 1px solid var(--spc-line-2);
    color: var(--spc-ink-2);
}
.spc-advice li::before {
    content: "";
    flex: 0 0 7px;
    width: 7px; height: 7px;
    margin-top: 8px;
    border-radius: 2px;
    background: var(--spc-navy-2);
}
.spc-advice li[data-tone="good"] { background: var(--spc-green-soft); border-color: color-mix(in srgb, var(--spc-green) 28%, transparent); }
.spc-advice li[data-tone="good"]::before { background: var(--spc-green); }
.spc-advice li[data-tone="warn"] { background: var(--spc-amber-soft); border-color: color-mix(in srgb, var(--spc-amber) 30%, transparent); }
.spc-advice li[data-tone="warn"]::before { background: var(--spc-amber); }
.spc-advice li[data-tone="bad"] { background: var(--spc-red-soft); border-color: color-mix(in srgb, var(--spc-red) 30%, transparent); }
.spc-advice li[data-tone="bad"]::before { background: var(--spc-red); }
.spc-advice b { color: var(--spc-ink); }

/* ===================== 情景敏感度 ===================== */
.spc-scene-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.spc-scene {
    background: var(--spc-card-2);
    border: 1px solid var(--spc-line);
    border-radius: 10px;
    padding: 11px 13px;
}
.spc-scene span { font-size: 11.5px; color: var(--spc-ink-3); }
.spc-scene b { display: block; font-size: 14.5px; font-weight: 700; color: var(--spc-ink); margin: 3px 0 2px; }
.spc-scene small { font-size: 11.5px; color: var(--spc-ink-2); font-family: var(--spc-mono); }
.spc-scene[data-switch="1"] { border-color: var(--spc-amber); background: var(--spc-amber-soft); }
.spc-scene[data-switch="1"] small { color: var(--spc-amber); font-weight: 700; }

/* ===================== 批量导入 / 导出 ===================== */
.spc-textarea {
    width: 100%;
    min-height: 120px;
    padding: 11px 13px;
    font-family: var(--spc-mono);
    font-size: 12.5px;
    line-height: 1.8;
    color: var(--spc-ink);
    background: var(--spc-card-2);
    border: 1px solid var(--spc-line);
    border-radius: 9px;
    outline: none;
    resize: vertical;
}
.spc-textarea:focus { border-color: var(--spc-navy-2); box-shadow: 0 0 0 3px var(--spc-navy-soft); }
.spc-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 14px; }
.spc-pre {
    margin: 12px 0 0;
    padding: 12px 14px;
    background: var(--spc-card-2);
    border: 1px solid var(--spc-line);
    border-radius: 9px;
    font-family: var(--spc-mono);
    font-size: 12px;
    line-height: 1.8;
    color: var(--spc-ink-2);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 260px;
    overflow: auto;
}
.spc-pre--ai { min-height: 96px; }
details.spc-details { margin-top: 14px; }
details.spc-details summary {
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    color: var(--spc-navy);
    padding: 7px 0;
}
details.spc-details summary::-webkit-details-marker { display: none; }

/* ===================== FAQ ===================== */
.spc-faq { display: flex; flex-direction: column; gap: 8px; }
.spc-faq-item {
    background: var(--spc-card-2);
    border: 1px solid var(--spc-line);
    border-radius: 10px;
    overflow: hidden;
}
.spc-faq-item[open] { border-color: var(--spc-navy-2); }
.spc-faq-item > summary {
    list-style: none;
    cursor: pointer;
    padding: 12px 42px 12px 14px;
    font-size: 14px;
    font-weight: 700;
    color: var(--spc-ink);
    position: relative;
    line-height: 1.6;
}
.spc-faq-item > summary::-webkit-details-marker { display: none; }
.spc-faq-item > summary::after {
    content: "+";
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--spc-mono);
    font-size: 16px;
    font-weight: 700;
    color: var(--spc-ink-3);
}
.spc-faq-item[open] > summary::after { content: "-"; color: var(--spc-navy-2); }
.spc-faq-a {
    padding: 11px 14px 13px;
    font-size: 13px;
    line-height: 1.9;
    color: var(--spc-ink-2);
    border-top: 1px dashed var(--spc-line);
}
.spc-faq-a b { color: var(--spc-ink); }

/* ===================== 相关工具 ===================== */
.spc-rel-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(238px, 1fr)); gap: 10px; }
.spc-rel {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 12px 14px;
    background: var(--spc-card);
    border: 1px solid var(--spc-line);
    border-radius: 11px;
    text-decoration: none;
    transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.spc-rel:hover { transform: translateY(-2px); border-color: var(--spc-navy-2); box-shadow: var(--spc-shadow-sm); }
.spc-rel i {
    flex-shrink: 0;
    width: 34px; height: 34px;
    border-radius: 9px;
    display: grid; place-items: center;
    font-size: 17px;
    font-style: normal;
    background: var(--spc-navy-soft);
}
.spc-rel span { min-width: 0; }
.spc-rel b { display: block; font-size: 13.5px; font-weight: 700; color: var(--spc-ink); }
.spc-rel small { font-size: 11.5px; color: var(--spc-ink-3); }

/* ===================== Toast ===================== */
.spc-toast {
    position: fixed;
    left: 50%;
    bottom: 30px;
    transform: translateX(-50%) translateY(12px);
    background: rgba(16, 32, 47, .95);
    color: #fff;
    font-size: 13.5px;
    font-weight: 600;
    padding: 11px 20px;
    border-radius: 8px;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
    box-shadow: 0 10px 26px rgba(0, 0, 0, .28);
    max-width: 88vw;
    text-align: center;
}
.spc-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===================== A4 打印单 ===================== */
.spc-sheet {
    display: none;
    background: #fff;
    color: #10202f;
    padding: 12mm 11mm;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 11.5px;
    line-height: 1.7;
}
.spc-sheet h2 { font-size: 18px; margin: 0 0 4px; }
.spc-sheet h3 { font-size: 13px; margin: 14px 0 6px; border-left: 3px solid #123a5f; padding-left: 8px; }
.spc-sheet table { width: 100%; border-collapse: collapse; margin-top: 6px; }
.spc-sheet th, .spc-sheet td { border: 1px solid #9fb0c0; padding: 5px 7px; text-align: right; font-size: 10.5px; }
.spc-sheet th { background: #eef2f7; font-weight: 700; }
.spc-sheet th:first-child, .spc-sheet td:first-child { text-align: left; }
.spc-sheet .spc-sheet-note { margin-top: 12px; font-size: 10px; color: #56697c; }

@media print {
    body { background: #fff !important; }
    .nav-header, .footer, .back-to-top, #evadeFab, .evade-fab, #navEvadeBtn, .nav-evade-btn, #navMask, .nav-mask, #clicaptcha-container, .ma-page-modal { display: none !important; }
    .detail-wrap, .spc-page { padding: 0 !important; margin: 0 !important; border: none !important; box-shadow: none !important; background: #fff !important; }
    .spc-page { display: none !important; }
    .spc-sheet { display: block !important; }
    .spc-sheet table { page-break-inside: auto; }
    .spc-sheet tr { page-break-inside: avoid; }
    @page { size: A4 portrait; margin: 10mm; }
}

/* ===================== 响应式 ===================== */
@media (max-width: 1080px) {
    .spc-hero { grid-template-columns: minmax(0, 1fr); }
    .spc-cols { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
    .spc-page { padding: 18px 14px 22px; border-radius: 14px; }
    .spc-page h1 { font-size: 25px; }
    .spc-page h2 { font-size: 17.5px; }
    .spc-lead { font-size: 14.5px; line-height: 1.85; }
    .spc-verdict-price { font-size: 29px; }
    .spc-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .spc-panel { padding: 16px 14px 18px; }
    .spc-form-grid { grid-template-columns: minmax(0, 1fr); }
    .spc-hero-actions .spc-btn { flex: 1 1 auto; }
}