/* ============================================================
   internship-offer-decision-calc.css
   实习留用概率与转正成本测算器 · 专属设计系统（前缀 iod-）
   配色：靛紫（主）+ 薄荷（次），与站内其它工具色系完全错开
   深浅双主题：跟随站点导航 #themeToggle 的 [data-theme="dark"]
   ============================================================ */

.iod-page {
    /* 主色板 */
    --iod-primary: #5a4bdb;
    --iod-primary-2: #7c6cf0;
    --iod-primary-deep: #3b2ea8;
    --iod-mint: #0fae9d;
    --iod-mint-soft: #d8f5f0;
    --iod-amber: #d97706;
    --iod-rose: #e11d48;

    /* 表面与文字 */
    --iod-bg: #f5f4fb;
    --iod-surface: #ffffff;
    --iod-surface-2: #faf9ff;
    --iod-border: rgba(37, 29, 92, 0.10);
    --iod-border-strong: rgba(37, 29, 92, 0.18);
    --iod-text: #1b1836;
    --iod-text-soft: #4d4870;
    --iod-text-faint: #8b86a8;
    --iod-shadow: 0 12px 28px -16px rgba(37, 29, 92, 0.28);
    --iod-shadow-lg: 0 26px 60px -26px rgba(37, 29, 92, 0.38);
    --iod-radius: 16px;
    --iod-radius-sm: 11px;

    color: var(--iod-text);
    font-size: 15px;
}

:root[data-theme="dark"] .iod-page {
    --iod-primary: #8b7cff;
    --iod-primary-2: #a99cff;
    --iod-primary-deep: #b9b0ff;
    --iod-mint: #2dd4bf;
    --iod-mint-soft: rgba(45, 212, 191, .14);
    --iod-amber: #fbbf24;
    --iod-rose: #fb7185;

    --iod-bg: #0c0e1c;
    --iod-surface: #151832;
    --iod-surface-2: #1b1f3d;
    --iod-border: rgba(160, 170, 255, 0.14);
    --iod-border-strong: rgba(160, 170, 255, 0.26);
    --iod-text: #eceafd;
    --iod-text-soft: #b3b0d4;
    --iod-text-faint: #7d7aa3;
    --iod-shadow: 0 14px 32px -18px rgba(0, 0, 0, .8);
    --iod-shadow-lg: 0 28px 64px -28px rgba(0, 0, 0, .9);
}

.iod-page *,
.iod-page *::before,
.iod-page *::after { box-sizing: border-box; }

/* ---------------- 顶部：氛围英雄区 ---------------- */
.iod-hero {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    margin-bottom: 18px;
    padding: 30px 32px 28px;
    color: #fff;
    background:
        radial-gradient(900px 320px at 88% -10%, rgba(124, 108, 240, .55), transparent 62%),
        radial-gradient(700px 260px at 8% 110%, rgba(15, 174, 157, .30), transparent 60%),
        linear-gradient(135deg, #2b2064 0%, #3b2ea8 46%, #4b3bc4 100%);
    box-shadow: var(--iod-shadow-lg);
}
.iod-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 78%);
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 78%);
    pointer-events: none;
}
.iod-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 372px;
    gap: 26px;
    align-items: center;
}

.iod-kicker {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: .06em;
    padding: 5px 13px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .26);
    color: #e9e5ff;
    margin-bottom: 14px;
}
.iod-hero h1 {
    margin: 0 0 12px;
    font-size: 30px;
    line-height: 1.28;
    font-weight: 800;
    letter-spacing: -.015em;
    color: #fff;
}
.iod-lead {
    margin: 0 0 16px;
    font-size: 15px;
    line-height: 1.92;
    color: rgba(255, 255, 255, .9);
    max-width: 660px;
}
.iod-lead b { color: #fff; font-weight: 700; }
.iod-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 18px; padding: 0; list-style: none; }
.iod-tags li {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 11px;
    border-radius: 8px;
    background: rgba(255, 255, 255, .13);
    border: 1px solid rgba(255, 255, 255, .2);
    color: #f2efff;
}
.iod-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.iod-steps li {
    background: rgba(255, 255, 255, .09);
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 12px;
    padding: 11px 13px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.iod-steps b {
    font-size: 11px;
    font-weight: 800;
    color: #8ef0dd;
    letter-spacing: .1em;
}
.iod-steps span { font-size: 14px; font-weight: 700; color: #fff; }
.iod-steps i { font-size: 12px; font-style: normal; color: rgba(255, 255, 255, .72); line-height: 1.6; }

/* 首屏速览卡（可直接录入） */
.iod-quick {
    background: var(--iod-surface);
    color: var(--iod-text);
    border-radius: 20px;
    padding: 18px;
    box-shadow: 0 22px 48px -20px rgba(0, 0, 0, .45);
    border: 1px solid rgba(255, 255, 255, .2);
}
.iod-quick-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 14px;
}
.iod-quick-head b { font-size: 15px; font-weight: 800; }
.iod-quick-head span { font-size: 11.5px; color: var(--iod-text-faint); }
.iod-quick-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.iod-qfield label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--iod-text-soft);
    margin-bottom: 5px;
}
.iod-qfield input,
.iod-qfield select {
    width: 100%;
    padding: 9px 11px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--iod-text);
    background: var(--iod-surface-2);
    border: 1.5px solid var(--iod-border);
    border-radius: var(--iod-radius-sm);
    outline: none;
    transition: border-color .16s, box-shadow .16s;
}
.iod-qfield input:focus,
.iod-qfield select:focus {
    border-color: var(--iod-primary);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--iod-primary) 15%, transparent);
}
.iod-qfield select { appearance: none; cursor: pointer; padding-right: 28px;
    background-image: linear-gradient(45deg, transparent 50%, var(--iod-text-faint) 50%), linear-gradient(135deg, var(--iod-text-faint) 50%, transparent 50%);
    background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%;
    background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
.iod-quick-prob {
    margin-top: 15px;
    padding: 14px;
    border-radius: 14px;
    background: linear-gradient(140deg, color-mix(in srgb, var(--iod-primary) 12%, var(--iod-surface-2)), var(--iod-surface-2));
    border: 1px solid color-mix(in srgb, var(--iod-primary) 26%, transparent);
}
.iod-quick-prob .lb { font-size: 12px; color: var(--iod-text-soft); font-weight: 600; }
.iod-quick-prob .vl {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -.02em;
    color: var(--iod-primary);
    font-variant-numeric: tabular-nums;
}
.iod-quick-prob .rg { font-size: 12.5px; color: var(--iod-text-soft); margin-top: 2px; }

/* 概率刻度带 */
.iod-band {
    position: relative;
    height: 10px;
    border-radius: 999px;
    margin: 12px 0 6px;
    background: linear-gradient(90deg,
        color-mix(in srgb, var(--iod-rose) 55%, transparent) 0%,
        color-mix(in srgb, var(--iod-amber) 55%, transparent) 46%,
        color-mix(in srgb, var(--iod-mint) 55%, transparent) 100%);
    overflow: visible;
}
.iod-band .seg {
    position: absolute;
    top: 0;
    height: 100%;
    border-radius: 999px;
    background: color-mix(in srgb, var(--iod-primary) 70%, transparent);
    border: 2px solid var(--iod-surface);
    box-shadow: 0 2px 8px rgba(0, 0, 0, .18);
}
.iod-band .pin {
    position: absolute;
    top: -4px;
    width: 3px;
    height: 18px;
    border-radius: 2px;
    background: var(--iod-text);
    transform: translateX(-1.5px);
}
.iod-band-scale {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--iod-text-faint);
}
.iod-quick-verdict {
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.7;
    color: var(--iod-text-soft);
    background: var(--iod-surface-2);
    border-radius: 11px;
    padding: 10px 12px;
    border-left: 3px solid var(--iod-primary);
}
.iod-quick-verdict b { color: var(--iod-text); }
.iod-quick-cta { display: flex; gap: 8px; margin-top: 13px; }
.iod-quick-cta button { flex: 1; }

/* ---------------- 通用块 ---------------- */
.iod-presets {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    padding: 12px 14px;
    background: var(--iod-surface);
    border: 1px solid var(--iod-border);
    border-radius: var(--iod-radius);
    box-shadow: var(--iod-shadow);
}
.iod-preset-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--iod-text-faint);
    letter-spacing: .04em;
    margin-right: 2px;
}
.iod-chip {
    border: 1.5px solid var(--iod-border);
    background: var(--iod-surface-2);
    color: var(--iod-text-soft);
    font-family: inherit;
    font-size: 12.5px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: all .16s;
}
.iod-chip:hover { border-color: var(--iod-primary); color: var(--iod-primary); transform: translateY(-1px); }
.iod-chip.on { background: var(--iod-primary); border-color: var(--iod-primary); color: #fff; }

.iod-errbar[hidden] { display: none !important; }
.iod-errbar {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
    padding: 12px 15px;
    border-radius: var(--iod-radius-sm);
    background: color-mix(in srgb, var(--iod-rose) 8%, var(--iod-surface));
    border: 1px solid color-mix(in srgb, var(--iod-rose) 32%, transparent);
    font-size: 13px;
    line-height: 1.7;
    color: var(--iod-text);
}
.iod-errbar b { color: var(--iod-rose); }

.iod-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 20px;
    align-items: start;
}
.iod-col { display: flex; flex-direction: column; gap: 20px; min-width: 0; }

.iod-card {
    background: var(--iod-surface);
    border: 1px solid var(--iod-border);
    border-radius: var(--iod-radius);
    padding: 22px;
    box-shadow: var(--iod-shadow);
}
.iod-card-head { margin-bottom: 16px; }
.iod-card-title {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 16.5px;
    font-weight: 800;
    margin: 0 0 6px;
    letter-spacing: -.01em;
}
.iod-ic {
    width: 30px;
    height: 30px;
    flex: none;
    display: grid;
    place-items: center;
    border-radius: 9px;
    font-size: 15px;
    background: color-mix(in srgb, var(--iod-primary) 13%, transparent);
}
.iod-card-desc { margin: 0; font-size: 13.5px; line-height: 1.85; color: var(--iod-text-soft); }
.iod-card-desc b { color: var(--iod-text); }

/* 表单 */
.iod-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.iod-grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.iod-field { margin-bottom: 13px; }
.iod-field:last-child { margin-bottom: 0; }
.iod-label {
    display: block;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--iod-text-soft);
    margin-bottom: 6px;
}
.iod-label span { font-weight: 500; color: var(--iod-text-faint); font-size: 11.5px; }
.iod-input, .iod-select {
    width: 100%;
    padding: 10px 12px;
    font-family: inherit;
    font-size: 14px;
    color: var(--iod-text);
    background: var(--iod-surface-2);
    border: 1.5px solid var(--iod-border);
    border-radius: var(--iod-radius-sm);
    outline: none;
    transition: border-color .16s, box-shadow .16s;
}
.iod-input:focus, .iod-select:focus {
    border-color: var(--iod-primary);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--iod-primary) 14%, transparent);
}
.iod-input.bad { border-color: var(--iod-rose); background: color-mix(in srgb, var(--iod-rose) 7%, var(--iod-surface-2)); }
.iod-select { appearance: none; cursor: pointer; padding-right: 32px;
    background-image: linear-gradient(45deg, transparent 50%, var(--iod-text-faint) 50%), linear-gradient(135deg, var(--iod-text-faint) 50%, transparent 50%);
    background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%;
    background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
.iod-hint { display: block; margin-top: 5px; font-size: 11.5px; line-height: 1.65; color: var(--iod-text-faint); }
.iod-hint b { color: var(--iod-text-soft); }

.iod-seg {
    display: flex;
    gap: 5px;
    padding: 4px;
    background: var(--iod-surface-2);
    border: 1.5px solid var(--iod-border);
    border-radius: 12px;
    flex-wrap: wrap;
}
.iod-seg button {
    flex: 1 1 auto;
    min-width: 62px;
    border: 0;
    background: transparent;
    font-family: inherit;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--iod-text-soft);
    padding: 7px 8px;
    border-radius: 9px;
    cursor: pointer;
    transition: all .16s;
    white-space: nowrap;
}
.iod-seg button:hover { color: var(--iod-primary); }
.iod-seg button.on {
    background: var(--iod-primary);
    color: #fff;
    box-shadow: 0 6px 14px -7px var(--iod-primary);
}

/* 按钮 */
.iod-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 0;
    cursor: pointer;
    font-family: inherit;
    font-weight: 700;
    font-size: 13.5px;
    padding: 11px 18px;
    border-radius: var(--iod-radius-sm);
    color: #fff;
    background: linear-gradient(135deg, var(--iod-primary) 0%, var(--iod-primary-2) 100%);
    box-shadow: 0 10px 22px -12px var(--iod-primary);
    transition: transform .16s, box-shadow .16s, filter .16s;
}
.iod-btn:hover { transform: translateY(-2px); filter: brightness(1.06); box-shadow: 0 16px 28px -14px var(--iod-primary); }
.iod-btn:active { transform: translateY(0); }
.iod-btn--ghost {
    background: var(--iod-surface-2);
    color: var(--iod-text);
    border: 1.5px solid var(--iod-border);
    box-shadow: none;
}
.iod-btn--ghost:hover { border-color: var(--iod-primary); color: var(--iod-primary); filter: none; }
.iod-btn--mint { background: linear-gradient(135deg, #0fae9d 0%, #22c9b6 100%); box-shadow: 0 10px 22px -12px #0fae9d; }
.iod-btn--sm { padding: 7px 13px; font-size: 12.5px; border-radius: 9px; }
.iod-btn-row { display: flex; gap: 9px; flex-wrap: wrap; }
.iod-btn-row .iod-btn { flex: 1 1 auto; }

/* 评估因子 */
.iod-factor {
    border: 1px solid var(--iod-border);
    border-radius: 14px;
    padding: 14px 15px;
    margin-bottom: 12px;
    background: var(--iod-surface-2);
}
.iod-factor:last-child { margin-bottom: 0; }
.iod-factor-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.iod-factor-name { font-size: 14px; font-weight: 700; flex: 1; min-width: 0; }
.iod-factor-name small { display: block; font-size: 11.5px; font-weight: 500; color: var(--iod-text-faint); line-height: 1.6; margin-top: 2px; }
.iod-auto {
    display: inline-block;
    font-style: normal;
    font-size: 10.5px;
    font-weight: 700;
    margin-left: 7px;
    padding: 1px 7px;
    border-radius: 999px;
    color: var(--iod-primary);
    background: color-mix(in srgb, var(--iod-primary) 11%, transparent);
    vertical-align: 2px;
}
.iod-weight-box { display: flex; align-items: center; gap: 7px; flex: none; }
.iod-weight-box input[type="range"] {
    width: 92px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: color-mix(in srgb, var(--iod-primary) 22%, var(--iod-border));
    border-radius: 999px;
    outline: none;
    cursor: pointer;
}
.iod-weight-box input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--iod-primary);
    border: 2.5px solid var(--iod-surface);
    box-shadow: 0 2px 6px rgba(0, 0, 0, .22);
    cursor: pointer;
}
.iod-weight-box input[type="range"]::-moz-range-thumb {
    width: 15px; height: 15px; border-radius: 50%;
    background: var(--iod-primary); border: 2.5px solid var(--iod-surface); cursor: pointer;
}
.iod-weight-val {
    font-size: 12px;
    font-weight: 800;
    color: var(--iod-primary);
    min-width: 34px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}
.iod-levels { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.iod-level {
    border: 1.5px solid var(--iod-border);
    background: var(--iod-surface);
    color: var(--iod-text-soft);
    border-radius: 9px;
    padding: 7px 4px;
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all .15s;
    line-height: 1.4;
}
.iod-level:hover { border-color: var(--iod-primary); color: var(--iod-primary); }
.iod-level.on {
    background: color-mix(in srgb, var(--iod-primary) 12%, var(--iod-surface));
    border-color: var(--iod-primary);
    color: var(--iod-primary);
    font-weight: 700;
}
.iod-level small { display: block; font-size: 10.5px; color: var(--iod-text-faint); font-weight: 500; }
.iod-level.on small { color: color-mix(in srgb, var(--iod-primary) 70%, var(--iod-text-faint)); }

/* 结果区 */
.iod-sticky { position: sticky; top: 16px; }
.iod-verdict {
    border-radius: 14px;
    padding: 14px 16px;
    margin-bottom: 16px;
    background: color-mix(in srgb, var(--iod-primary) 10%, var(--iod-surface-2));
    border: 1px solid color-mix(in srgb, var(--iod-primary) 26%, transparent);
}
.iod-verdict .t { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 800; margin-bottom: 6px; }
.iod-verdict .d { font-size: 13px; line-height: 1.8; color: var(--iod-text-soft); }
.iod-verdict .d b { color: var(--iod-text); }

.iod-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.iod-metric {
    background: var(--iod-surface-2);
    border: 1px solid var(--iod-border);
    border-radius: 12px;
    padding: 11px 13px;
}
.iod-metric .k { display: block; font-size: 11.5px; color: var(--iod-text-faint); margin-bottom: 4px; }
.iod-metric .v { display: block; font-size: 17px; font-weight: 800; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.iod-metric .v.ok { color: var(--iod-mint); }
.iod-metric .v.warn { color: var(--iod-amber); }
.iod-metric .v.bad { color: var(--iod-rose); }
.iod-metric .x { display: block; font-size: 11px; color: var(--iod-text-faint); margin-top: 3px; line-height: 1.5; }

.iod-rows { margin-top: 16px; border: 1px solid var(--iod-border); border-radius: 13px; overflow: hidden; }
.iod-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    font-size: 13px;
    background: var(--iod-surface-2);
}
.iod-row + .iod-row { border-top: 1px solid var(--iod-border); }
.iod-row .k { color: var(--iod-text-soft); flex: none; }
.iod-row .v { font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }
.iod-row .v.up { color: var(--iod-mint); }
.iod-row .v.down { color: var(--iod-rose); }

.iod-sub-title {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-size: 13.5px;
    font-weight: 800;
    margin: 18px 0 9px;
    color: var(--iod-text);
}
.iod-sub-title small { font-size: 11.5px; font-weight: 500; color: var(--iod-text-faint); }

.iod-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11.5px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    white-space: nowrap;
}
.iod-pill.ok { background: color-mix(in srgb, var(--iod-mint) 15%, transparent); color: #0a8c7e; }
.iod-pill.warn { background: color-mix(in srgb, var(--iod-amber) 16%, transparent); color: #b45309; }
.iod-pill.bad { background: color-mix(in srgb, var(--iod-rose) 14%, transparent); color: #be123c; }
.iod-pill.info { background: color-mix(in srgb, var(--iod-primary) 13%, transparent); color: var(--iod-primary); }
:root[data-theme="dark"] .iod-pill.ok { color: #2dd4bf; }
:root[data-theme="dark"] .iod-pill.warn { color: #fbbf24; }
:root[data-theme="dark"] .iod-pill.bad { color: #fb7185; }
:root[data-theme="dark"] .iod-pill.info { color: #a99cff; }

/* 期望值对比条 */
.iod-ev { margin-top: 6px; }
.iod-ev-row { margin-bottom: 12px; }
.iod-ev-top { display: flex; justify-content: space-between; font-size: 12.5px; margin-bottom: 5px; }
.iod-ev-top b { font-weight: 700; }
.iod-ev-top span { color: var(--iod-text-soft); font-variant-numeric: tabular-nums; }
.iod-ev-bar { height: 22px; border-radius: 7px; background: var(--iod-surface-2); border: 1px solid var(--iod-border); overflow: hidden; position: relative; }
.iod-ev-bar i {
    position: absolute;
    left: 0; top: 0; bottom: 0;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--iod-primary), var(--iod-primary-2));
    transition: width .35s cubic-bezier(.22, 1, .36, 1);
}
.iod-ev-bar.b i { background: linear-gradient(90deg, #0fae9d, #4fd1c5); }
.iod-ev-bar.neg i { background: linear-gradient(90deg, #e11d48, #fb7185); }
.iod-ev-bar .zero { position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: var(--iod-border-strong); }

/* 表格 */
.iod-table-wrap { overflow-x: auto; border: 1px solid var(--iod-border); border-radius: 13px; }
.iod-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 760px; }
.iod-table th, .iod-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--iod-border); white-space: nowrap; }
.iod-table thead th {
    font-size: 12px;
    font-weight: 700;
    color: var(--iod-text-soft);
    background: color-mix(in srgb, var(--iod-primary) 7%, var(--iod-surface-2));
    position: sticky;
    top: 0;
}
.iod-table tbody tr:last-child td { border-bottom: 0; }
.iod-table tbody tr:hover { background: color-mix(in srgb, var(--iod-primary) 5%, transparent); }
.iod-table .num { font-variant-numeric: tabular-nums; font-weight: 700; }
.iod-empty {
    text-align: center;
    padding: 26px 16px;
    font-size: 13px;
    color: var(--iod-text-faint);
    line-height: 1.8;
}

.iod-pre {
    margin: 13px 0 0;
    padding: 13px 15px;
    background: var(--iod-surface-2);
    border: 1px solid var(--iod-border);
    border-radius: 12px;
    font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    font-size: 12px;
    line-height: 1.75;
    color: var(--iod-text-soft);
    max-height: 260px;
    overflow: auto;
    white-space: pre;
}

/* 口径说明表 */
.iod-notes { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.iod-notes th, .iod-notes td { padding: 12px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--iod-border); line-height: 1.85; }
.iod-notes tr:last-child th, .iod-notes tr:last-child td { border-bottom: 0; }
.iod-notes th {
    width: 128px;
    font-weight: 800;
    color: var(--iod-primary);
    background: color-mix(in srgb, var(--iod-primary) 6%, transparent);
    white-space: nowrap;
}
.iod-notes td { color: var(--iod-text-soft); }
.iod-notes td b { color: var(--iod-text); }
.iod-notes code {
    font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    font-size: 12px;
    background: color-mix(in srgb, var(--iod-primary) 9%, transparent);
    padding: 1px 5px;
    border-radius: 5px;
    color: var(--iod-text);
}

/* 底部标签页 */
.iod-tabs {
    display: flex;
    gap: 4px;
    margin: 26px 0 0;
    border-bottom: 1.5px solid var(--iod-border);
    flex-wrap: wrap;
}
.iod-tab {
    border: 0;
    background: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 14.5px;
    font-weight: 700;
    color: var(--iod-text-soft);
    padding: 11px 15px;
    position: relative;
    transition: color .16s;
}
.iod-tab:hover { color: var(--iod-primary); }
.iod-tab.on { color: var(--iod-primary); }
.iod-tab.on::after {
    content: "";
    position: absolute;
    left: 12px; right: 12px; bottom: -1.5px;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: linear-gradient(90deg, var(--iod-primary), var(--iod-mint));
}
.iod-panel {
    display: none;
    background: var(--iod-surface);
    border: 1px solid var(--iod-border);
    border-radius: var(--iod-radius);
    padding: 24px 26px;
    margin-top: 16px;
    box-shadow: var(--iod-shadow);
}
.iod-panel.on { display: block; animation: iod-fade .28s ease; }
@keyframes iod-fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.iod-panel h2 { font-size: 18px; margin: 0 0 12px; letter-spacing: -.01em; }
.iod-panel h2:not(:first-child) { margin-top: 24px; }
.iod-panel h3 { font-size: 15px; margin: 20px 0 8px; }
.iod-panel p, .iod-panel li { font-size: 14.5px; line-height: 1.95; color: var(--iod-text-soft); }
.iod-panel p { margin: 0 0 12px; }
.iod-panel b { color: var(--iod-text); }
.iod-panel ol, .iod-panel ul { padding-left: 22px; margin: 0 0 12px; }
.iod-panel li { margin-bottom: 6px; }

.iod-faq details {
    border: 1px solid var(--iod-border);
    border-radius: 13px;
    padding: 0 16px;
    margin-bottom: 10px;
    background: var(--iod-surface-2);
}
.iod-faq summary {
    cursor: pointer;
    list-style: none;
    font-size: 14.5px;
    font-weight: 700;
    padding: 14px 0;
}
.iod-faq summary::-webkit-details-marker { display: none; }
.iod-faq summary::after { content: "＋"; float: right; color: var(--iod-primary); font-weight: 800; }
.iod-faq details[open] summary::after { content: "－"; }
.iod-faq .a { padding: 0 0 15px; font-size: 14px; line-height: 1.95; color: var(--iod-text-soft); }
.iod-faq .a b { color: var(--iod-text); }

.iod-timeline { list-style: none; padding: 0; margin: 0; }
.iod-timeline li { display: flex; gap: 14px; align-items: baseline; margin-bottom: 12px; }
.iod-timeline .ver { font-weight: 800; color: var(--iod-primary); flex: none; }
.iod-timeline .date { font-size: 12.5px; color: var(--iod-text-faint); flex: none; width: 92px; }
.iod-timeline .txt { font-size: 14px; line-height: 1.85; color: var(--iod-text-soft); }

/* 相关工具 */
.iod-related { margin-top: 24px; }
.iod-related h2 { font-size: 18px; margin: 0 0 14px; }
.iod-rel-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(226px, 1fr)); gap: 12px; }
.iod-rel {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 14px 16px;
    background: var(--iod-surface);
    border: 1px solid var(--iod-border);
    border-radius: 14px;
    text-decoration: none;
    color: var(--iod-text);
    box-shadow: var(--iod-shadow);
    transition: transform .18s, border-color .18s;
}
.iod-rel:hover { transform: translateY(-3px); border-color: var(--iod-primary); }
.iod-rel .ri { font-size: 21px; flex: none; }
.iod-rel b { display: block; font-size: 14px; }
.iod-rel small { font-size: 12px; color: var(--iod-text-faint); }

/* toast */
.iod-toast {
    position: fixed;
    left: 50%;
    bottom: 32px;
    transform: translateX(-50%) translateY(18px);
    background: rgba(27, 24, 54, .95);
    color: #fff;
    font-size: 13.5px;
    padding: 11px 22px;
    border-radius: 999px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .26s, transform .26s;
    z-index: 9999;
    box-shadow: 0 14px 34px rgba(0, 0, 0, .3);
}
.iod-toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }

/* 打印单 */
.iod-sheet { display: none; }
@media print {
    html, body { background: #fff !important; }
    body > *:not(.detail-wrap) { display: none !important; }
    .detail-wrap { padding: 0 !important; }
    .detail-wrap > .container { padding: 0 !important; max-width: none !important; }
    .detail-wrap > .container > *:not(.iod-sheet) { display: none !important; }
    .iod-sheet {
        display: block !important;
        position: static !important;
        width: 100% !important;
        padding: 12mm 10mm !important;
        background: #fff !important;
        color: #000 !important;
        font-size: 12px;
    }
    .iod-sheet, .iod-sheet * { visibility: visible !important; }
    .iod-sheet h1 { font-size: 19px; margin: 0 0 4px; }
    .iod-sheet h2 { font-size: 14px; margin: 16px 0 6px; border-left: 3px solid #5a4bdb; padding-left: 8px; }
    .iod-sheet table { width: 100%; border-collapse: collapse; margin-bottom: 10px; page-break-inside: avoid; }
    .iod-sheet th, .iod-sheet td { border: 1px solid #ccc; padding: 6px 8px; text-align: left; font-size: 11.5px; line-height: 1.6; }
    .iod-sheet th { background: #f2f1fa; }
    .iod-sheet .s-foot { margin-top: 14px; font-size: 10.5px; color: #666; border-top: 1px solid #ddd; padding-top: 8px; }
}

/* 响应式 */
@media (max-width: 1080px) {
    .iod-hero-grid { grid-template-columns: 1fr; }
    .iod-layout { grid-template-columns: 1fr; }
    .iod-sticky { position: static; }
}
@media (max-width: 720px) {
    .iod-hero { padding: 24px 18px 22px; border-radius: 18px; }
    .iod-hero h1 { font-size: 23px; }
    .iod-lead { font-size: 14.5px; }
    .iod-steps { grid-template-columns: 1fr; }
    .iod-grid2, .iod-grid3 { grid-template-columns: 1fr; }
    .iod-levels { grid-template-columns: repeat(2, 1fr); }
    .iod-quick-row { grid-template-columns: 1fr; }
    .iod-card { padding: 18px 16px; }
    .iod-panel { padding: 18px 16px; }
    .iod-metrics { grid-template-columns: 1fr 1fr; }
    .iod-factor-head { flex-wrap: wrap; }
    .iod-weight-box input[type="range"] { width: 120px; }
}