/* ==========================================================================
   125 · 注塑件成本估算
   视觉概念：加工报价单 —— 米白纸面、靛蓝表头、珊瑚红合计、行式明细
   ========================================================================== */

:root {
    --im-bg: #f6f4ee;
    --im-panel: #fffdf9;
    --im-panel-2: #efebe1;
    --im-ink: #191d26;
    --im-ink-2: #454b58;
    --im-muted: #837f72;
    --im-line: #e4dfd2;
    --im-line-2: #d0c9b8;
    --im-indigo: #33429b;
    --im-indigo-2: #26327a;
    --im-indigo-soft: #e7e9f6;
    --im-coral: #bc4038;
    --im-coral-soft: #fbeae8;
    --im-green: #2a6b52;
    --im-bad: #a32f24;
    --im-bad-soft: #fbe8e5;
    --im-shadow: 0 1px 2px rgba(25, 29, 38, .05), 0 20px 44px -38px rgba(25, 29, 38, .5);
    --im-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    --im-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

:root[data-theme="dark"] {
    --im-bg: #0d0e10;
    --im-panel: #16171b;
    --im-panel-2: #1d1f24;
    --im-ink: #eceadf;
    --im-ink-2: #b3b0a4;
    --im-muted: #807d71;
    --im-line: #26282e;
    --im-line-2: #34373f;
    --im-indigo: #8f9bf0;
    --im-indigo-2: #a9b3f6;
    --im-indigo-soft: #161a33;
    --im-coral: #ec8d84;
    --im-coral-soft: #2a1513;
    --im-green: #5fbf98;
    --im-bad: #e08b7d;
    --im-bad-soft: #261412;
    --im-shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 24px 48px -36px rgba(0, 0, 0, .95);
}

.im-wrap {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 22px;
}

/* ---------------- 首屏 ---------------- */
.im-hero {
    position: relative;
    padding: 20px 0 24px;
    background:
        radial-gradient(560px 260px at 8% -10%, var(--im-indigo-soft), transparent 68%),
        var(--im-bg);
}
.im-hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: var(--im-line-2);
}

.im-crumb {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 15px;
    font-size: 12.5px;
    color: var(--im-muted);
}
.im-crumb a { color: var(--im-muted); text-decoration: none; }
.im-crumb a:hover { color: var(--im-indigo); }
.im-crumb i { font-style: normal; opacity: .5; }

.im-top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: end;
    margin-bottom: 18px;
}
.im-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-family: var(--im-mono);
    font-size: 9.5px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--im-indigo);
}
.im-eyebrow::after {
    content: "";
    width: 30px;
    height: 1px;
    background: currentColor;
}
.im-h1 {
    margin: 0 0 10px;
    font-family: var(--im-sans);
    font-size: clamp(26px, 3.3vw, 38px);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -.03em;
    color: var(--im-ink);
}
.im-h1 em {
    display: inline-block;
    font-style: normal;
    color: var(--im-indigo);
}
.im-h1 em::after {
    content: "";
    display: block;
    width: 100%;
    height: 6px;
    margin-top: -4px;
    background: var(--im-coral-soft);
}
.im-sub {
    margin: 0;
    max-width: 58ch;
    font-size: 14.6px;
    line-height: 1.86;
    color: var(--im-ink-2);
}
.im-sub b { color: var(--im-ink); font-weight: 600; white-space: nowrap; }

.im-side { display: flex; flex-direction: column; align-items: flex-end; gap: 9px; }
.im-theme {
    display: inline-flex;
    gap: 2px;
    padding: 3px;
    border: 1px solid var(--im-line);
    border-radius: 7px;
    background: var(--im-panel);
}
.im-theme button {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--im-muted);
    font: inherit;
    font-size: 11.5px;
    padding: 5px 11px;
    border-radius: 5px;
    cursor: pointer;
}
.im-theme button:hover { color: var(--im-ink); }
.im-theme button[aria-pressed="true"] {
    background: var(--im-indigo);
    color: #fff;
    font-weight: 600;
}
.im-live {
    font-family: var(--im-mono);
    font-size: 9.5px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--im-muted);
}

/* ---------------- 工作台 ---------------- */
.im-desk {
    display: grid;
    grid-template-columns: 352px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}
.im-panel {
    border: 1px solid var(--im-line);
    border-radius: 6px;
    background: var(--im-panel);
    box-shadow: var(--im-shadow);
    overflow: hidden;
}
.im-ph {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 15px;
    border-bottom: 1px solid var(--im-line);
    background: var(--im-panel-2);
}
.im-ph h2 {
    margin: 0;
    font-family: var(--im-mono);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: .13em;
    text-transform: uppercase;
    color: var(--im-ink);
}
.im-ph span {
    margin-left: auto;
    font-family: var(--im-mono);
    font-size: 9.5px;
    color: var(--im-muted);
}

.im-form { padding: 12px 15px 14px; }
.im-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
}
.im-field { display: grid; gap: 4px; min-width: 0; }
.im-field.is-wide { grid-column: 1 / -1; }
.im-field > label {
    font-family: var(--im-mono);
    font-size: 9.5px;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--im-muted);
}
.im-inp {
    display: flex;
    align-items: center;
    border: 1px solid var(--im-line-2);
    border-radius: 4px;
    background: var(--im-panel);
    transition: border-color .15s, box-shadow .15s;
}
.im-inp:focus-within {
    border-color: var(--im-indigo);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--im-indigo) 12%, transparent);
}
.im-inp input {
    flex: 1 1 auto;
    width: 100%;
    min-width: 0;
    border: 0;
    background: transparent;
    color: var(--im-ink);
    font-family: var(--im-mono);
    font-size: 14px;
    font-weight: 600;
    padding: 7px 2px 7px 9px;
    outline: none;
    font-variant-numeric: tabular-nums;
}
.im-inp span {
    flex: 0 0 auto;
    padding-right: 8px;
    font-family: var(--im-mono);
    font-size: 9.5px;
    color: var(--im-muted);
    white-space: nowrap;
}
.im-inp.is-bad { border-color: var(--im-bad); background: var(--im-bad-soft); }

.im-sel {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid var(--im-line-2);
    border-radius: 4px;
    background: var(--im-panel);
    color: var(--im-ink);
    font-family: var(--im-mono);
    font-size: 13px;
    font-weight: 600;
    padding: 8px 6px;
    outline: none;
    cursor: pointer;
}
.im-sel:focus { border-color: var(--im-indigo); }

.im-actions {
    display: flex;
    gap: 6px;
    margin-top: 12px;
    padding-top: 11px;
    border-top: 1px solid var(--im-line);
}
.im-btn {
    appearance: none;
    font: inherit;
    font-size: 12.5px;
    padding: 7px 12px;
    border-radius: 4px;
    border: 1px solid var(--im-line-2);
    background: var(--im-panel);
    color: var(--im-ink-2);
    cursor: pointer;
    white-space: nowrap;
    transition: all .15s;
}
.im-btn:hover { border-color: var(--im-ink); color: var(--im-ink); }
.im-btn.is-primary {
    flex: 1 1 auto;
    background: var(--im-indigo);
    border-color: var(--im-indigo);
    color: #fff;
    font-weight: 700;
}
.im-btn.is-primary:hover { background: var(--im-indigo-2); border-color: var(--im-indigo-2); color: #fff; }
.im-btn.is-ghost { background: transparent; }

.im-presets { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 9px; }
.im-presets button {
    appearance: none;
    border: 1px dashed var(--im-line-2);
    background: transparent;
    color: var(--im-ink-2);
    font: inherit;
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 3px;
    cursor: pointer;
}
.im-presets button:hover { border-color: var(--im-coral); color: var(--im-coral); }

.im-note {
    margin: 9px 0 0;
    padding: 8px 10px;
    border-left: 3px solid var(--im-coral);
    border-radius: 3px;
    background: var(--im-coral-soft);
    font-size: 11.5px;
    line-height: 1.7;
    color: var(--im-ink-2);
}
.im-note.is-bad { border-left-color: var(--im-bad); background: var(--im-bad-soft); }

/* ---------------- 报价单 ---------------- */
.im-quote { display: grid; }
.im-quote-head {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px 12px;
    border-bottom: 2px solid var(--im-ink);
}
.im-quote-head h2 {
    margin: 0;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .06em;
    color: var(--im-ink);
}
.im-quote-head p {
    margin: 3px 0 0;
    font-family: var(--im-mono);
    font-size: 10px;
    letter-spacing: .04em;
    color: var(--im-muted);
}
.im-quote-head .im-no {
    margin-left: auto;
    text-align: right;
    font-family: var(--im-mono);
    font-size: 9.5px;
    line-height: 1.7;
    color: var(--im-muted);
}
.im-quote-head .im-no b { color: var(--im-ink); font-size: 11px; }

.im-lines { padding: 6px 18px 0; }
.im-line {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 92px 88px;
    gap: 10px;
    align-items: baseline;
    padding: 8px 0;
    border-bottom: 1px dashed var(--im-line);
}
.im-line:last-child { border-bottom: 0; }
.im-line span {
    font-size: 12.6px;
    color: var(--im-ink-2);
}
.im-line span i {
    display: block;
    font-family: var(--im-mono);
    font-style: normal;
    font-size: 9.5px;
    color: var(--im-muted);
    margin-top: 1px;
}
.im-line .im-rate {
    text-align: right;
    font-family: var(--im-mono);
    font-size: 10.5px;
    color: var(--im-muted);
}
.im-line .im-amt {
    text-align: right;
    font-family: var(--im-mono);
    font-size: 13px;
    font-weight: 600;
    color: var(--im-ink);
    font-variant-numeric: tabular-nums;
}

.im-total {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: end;
    margin: 4px 18px 0;
    padding: 12px 0 12px;
    border-top: 2px solid var(--im-ink);
}
.im-total span {
    font-family: var(--im-mono);
    font-size: 9.5px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--im-muted);
}
.im-total .im-big {
    font-family: var(--im-mono);
    font-size: clamp(28px, 3.4vw, 38px);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -.03em;
    color: var(--im-ink);
    font-variant-numeric: tabular-nums;
}
.im-total .im-big small { font-size: 13px; font-weight: 500; color: var(--im-muted); margin-left: 3px; }
.im-total .im-side-num {
    text-align: right;
    font-family: var(--im-mono);
    font-size: 15px;
    font-weight: 700;
    color: var(--im-coral);
    font-variant-numeric: tabular-nums;
}
.im-total .im-side-num small { font-size: 10px; font-weight: 500; color: var(--im-muted); }

.im-break { padding: 0 18px 14px; }
.im-break-bar {
    display: flex;
    height: 11px;
    border-radius: 2px;
    overflow: hidden;
    background: var(--im-panel-2);
}
.im-break-bar i { display: block; height: 100%; width: 0; transition: width .45s cubic-bezier(.22, .8, .3, 1); }
.im-break-bar i:nth-child(1) { background: var(--im-indigo); }
.im-break-bar i:nth-child(2) { background: var(--im-coral); }
.im-break-bar i:nth-child(3) { background: var(--im-green); }
.im-break-bar i:nth-child(4) { background: var(--im-line-2); }
.im-break-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 3px 14px;
    margin-top: 7px;
    font-size: 11px;
    color: var(--im-ink-2);
}
.im-break-legend span { display: inline-flex; align-items: center; gap: 5px; }
.im-break-legend i { width: 7px; height: 7px; font-style: normal; }
.im-break-legend i.a { background: var(--im-indigo); }
.im-break-legend i.b { background: var(--im-coral); }
.im-break-legend i.c { background: var(--im-green); }
.im-break-legend i.d { background: var(--im-line-2); }
.im-break-legend b { font-family: var(--im-mono); color: var(--im-ink); font-variant-numeric: tabular-nums; }

.im-tip {
    margin: 0;
    padding: 10px 18px 13px;
    border-top: 1px solid var(--im-line);
    font-size: 11.8px;
    line-height: 1.72;
    color: var(--im-ink-2);
}
.im-tip b { color: var(--im-ink); }
.im-tip strong { color: var(--im-indigo); font-family: var(--im-mono); }

/* ---------------- 曲线 ---------------- */
.im-curve {
    padding: 0 18px 14px;
    border-top: 1px dashed var(--im-line);
}
.im-curve h3 {
    margin: 10px 0 6px;
    font-family: var(--im-mono);
    font-size: 9.5px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--im-muted);
}
.im-curve svg { width: 100%; height: auto; display: block; }
.im-axis { stroke: var(--im-line-2); stroke-width: 1; }
.im-grid { stroke: var(--im-line); stroke-width: 1; stroke-dasharray: 3 3; }
.im-line-path { fill: none; stroke: var(--im-indigo); stroke-width: 2; }
.im-area { fill: var(--im-indigo); opacity: .07; }
.im-dot { fill: var(--im-coral); }
.im-curve-text {
    font-family: var(--im-mono);
    font-size: 8.5px;
    fill: var(--im-muted);
}

/* ---------------- 表格 ---------------- */
.im-body { padding-bottom: 8px; }
.im-card {
    margin-top: 16px;
    border: 1px solid var(--im-line);
    border-radius: 6px;
    background: var(--im-panel);
    box-shadow: var(--im-shadow);
    overflow: hidden;
}
.im-card-head {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 12px 15px;
    border-bottom: 1px solid var(--im-line);
    background: var(--im-panel-2);
}
.im-card-head h2 {
    margin: 0;
    font-family: var(--im-mono);
    font-size: 10.5px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--im-ink);
}
.im-card-head span { font-size: 12px; color: var(--im-muted); }
.im-card-head .im-btn { margin-left: auto; padding: 5px 10px; font-size: 11.5px; }
.im-scroll { overflow-x: auto; }
.im-table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 12.4px; }
.im-table th,
.im-table td {
    padding: 7px 12px;
    text-align: right;
    border-bottom: 1px dashed var(--im-line);
    font-variant-numeric: tabular-nums;
}
.im-table th:first-child,
.im-table td:first-child { text-align: left; font-weight: 600; }
.im-table th {
    font-family: var(--im-mono);
    font-size: 9.5px;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--im-muted);
    font-weight: 600;
    background: var(--im-panel-2);
    white-space: nowrap;
}
.im-table td { font-family: var(--im-mono); color: var(--im-ink-2); }
.im-table tbody tr:hover td { background: var(--im-panel-2); }
.im-table tr.is-cur td {
    color: var(--im-indigo);
    font-weight: 700;
    background: var(--im-indigo-soft);
}

/* ---------------- 说明 ---------------- */
.im-doc {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin: 26px 0 6px;
}
.im-doc-block {
    padding: 17px 19px;
    border: 1px solid var(--im-line);
    border-radius: 6px;
    background: var(--im-panel);
}
.im-doc-block h2 {
    margin: 0 0 9px;
    font-size: 14.8px;
    font-weight: 700;
    color: var(--im-ink);
    padding-left: 10px;
    border-left: 3px solid var(--im-indigo);
}
.im-doc-block p,
.im-doc-block li { font-size: 13px; line-height: 1.95; color: var(--im-ink-2); }
.im-doc-block p { margin: 0 0 8px; }
.im-doc-block p:last-child { margin-bottom: 0; }
.im-doc-block ul, .im-doc-block ol { margin: 0; padding-left: 18px; }
.im-doc-block li + li { margin-top: 4px; }
.im-doc-block b { color: var(--im-ink); }
.im-doc-block code {
    font-family: var(--im-mono);
    font-size: 11.6px;
    padding: 1px 5px;
    border-radius: 3px;
    background: var(--im-panel-2);
    color: var(--im-indigo);
}
.im-formula {
    margin: 10px 0 0;
    padding: 11px 13px;
    border: 1px dashed var(--im-line-2);
    border-radius: 4px;
    background: var(--im-panel-2);
    font-family: var(--im-mono);
    font-size: 11.4px;
    line-height: 2;
    color: var(--im-ink-2);
    overflow-x: auto;
}

.im-toast {
    position: fixed;
    left: 50%;
    bottom: 26px;
    transform: translate(-50%, 12px);
    z-index: 90;
    max-width: min(88vw, 440px);
    padding: 10px 18px;
    border-radius: 6px;
    background: var(--im-ink);
    color: var(--im-panel);
    font-size: 13px;
    line-height: 1.6;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s, transform .2s;
}
.im-toast.is-show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1040px) {
    .im-desk { grid-template-columns: minmax(0, 1fr); }
    .im-top { grid-template-columns: minmax(0, 1fr); gap: 13px; }
    .im-side { flex-direction: row; align-items: center; justify-content: flex-start; }
    .im-quote { order: -1; }
    .im-doc { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
    .im-wrap { padding: 0 14px; }
    .im-hero { padding: 15px 0 18px; }
    .im-h1 { font-size: 24px; }
    .im-sub { font-size: 13.8px; line-height: 1.8; }
    .im-live { display: none; }
    .im-form { padding: 11px 12px 13px; }
    .im-line { grid-template-columns: minmax(0, 1fr) 74px; }
    .im-line .im-rate { display: none; }
    .im-total .im-big { font-size: 28px; }
    .im-actions { flex-wrap: wrap; }
    .im-btn.is-primary { flex: 1 1 100%; }
    .im-card-head span { display: none; }
}