/* ==========================================================================
   冲压件材料利用率与成本计算器 · 料带排样卡 + 成本核算单
   独立设计：石墨铁灰 + 钢青 + 安全黄，工程网格底，等宽字体承载尺寸与金额
   ========================================================================== */

.sp-page {
  --sp-bg: #eef2f5;
  --sp-bg-2: #e6ecf1;
  --sp-card: #ffffff;
  --sp-paper: #f7fafb;
  --sp-ink: #1d2730;
  --sp-ink-2: #4b5b67;
  --sp-ink-3: #8294a1;
  --sp-line: #d8e1e7;
  --sp-line-2: #e8eef2;

  --sp-steel: #2c6a86;
  --sp-steel-deep: #1f5069;
  --sp-steel-soft: #e3eef4;
  --sp-steel-line: #bcd5e2;

  --sp-graphite: #1d2730;
  --sp-graphite-2: #27343f;
  --sp-graphite-3: #33434f;

  --sp-yellow: #e3a018;
  --sp-yellow-deep: #b87c07;
  --sp-yellow-soft: #fdf2d9;
  --sp-yellow-line: #f0d79b;

  --sp-red: #bb5540;
  --sp-red-soft: #fbeae6;

  --sp-shadow: 0 1px 2px rgba(29, 39, 48, .04), 0 18px 40px -32px rgba(29, 39, 48, .55);
  --sp-shadow-lift: 0 2px 5px rgba(29, 39, 48, .06), 0 30px 60px -34px rgba(29, 39, 48, .6);
  --sp-ring: rgba(44, 106, 134, .18);

  --sp-mono: "JetBrains Mono", "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  --sp-sans: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;

  background:
    radial-gradient(860px 420px at 90% -8%, rgba(44, 106, 134, .11), transparent 62%),
    radial-gradient(680px 340px at 0% 2%, rgba(227, 160, 24, .07), transparent 58%),
    repeating-linear-gradient(90deg, rgba(29, 39, 48, .04) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(29, 39, 48, .03) 0 1px, transparent 1px 64px),
    var(--sp-bg);
  color: var(--sp-ink);
  font-family: var(--sp-sans);
  font-size: 15px;
  line-height: 1.72;
  padding: 0 0 78px;
  -webkit-font-smoothing: antialiased;
}

:root[data-theme="dark"] .sp-page {
  --sp-bg: #0c1218;
  --sp-bg-2: #101920;
  --sp-card: #141d25;
  --sp-paper: #17222b;
  --sp-ink: #e7eef2;
  --sp-ink-2: #a8b8c2;
  --sp-ink-3: #788a96;
  --sp-line: #26343e;
  --sp-line-2: #1e2a33;

  --sp-steel: #6cb4d1;
  --sp-steel-deep: #2c7392;
  --sp-steel-soft: #122833;
  --sp-steel-line: #274755;

  --sp-graphite: #1a242c;
  --sp-graphite-2: #223039;
  --sp-graphite-3: #2d3d47;

  --sp-yellow: #eab23c;
  --sp-yellow-deep: #a97a12;
  --sp-yellow-soft: #2b2313;
  --sp-yellow-line: #4a3a19;

  --sp-red: #e08268;
  --sp-red-soft: #2c1b16;

  --sp-shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 20px 46px -30px rgba(0, 0, 0, .95);
  --sp-shadow-lift: 0 2px 4px rgba(0, 0, 0, .45), 0 30px 64px -36px rgba(0, 0, 0, 1);
  --sp-ring: rgba(108, 180, 209, .22);

  background:
    radial-gradient(880px 440px at 90% -8%, rgba(108, 180, 209, .09), transparent 60%),
    radial-gradient(640px 320px at 0% 2%, rgba(234, 178, 60, .05), transparent 56%),
    repeating-linear-gradient(90deg, rgba(160, 200, 220, .035) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(160, 200, 220, .025) 0 1px, transparent 1px 64px),
    var(--sp-bg);
}

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

.sp-wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 22px;
}

.sp-page h1,
.sp-page h2,
.sp-page h3 { margin: 0; font-weight: 700; letter-spacing: -.01em; }

.sp-page p { margin: 0; }

.sp-page a { color: inherit; }

.sp-page button { font-family: inherit; }

/* ---------- 面包屑 ---------- */
.sp-crumb {
  padding: 18px 0 4px;
  font-size: 12.5px;
  color: var(--sp-ink-3);
}
.sp-crumb a { text-decoration: none; border-bottom: 1px solid transparent; }
.sp-crumb a:hover { color: var(--sp-steel); border-bottom-color: var(--sp-steel); }
.sp-crumb span { color: var(--sp-ink-2); }

/* ---------- 首屏 ---------- */
.sp-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: 34px;
  align-items: center;
  padding: 26px 0 40px;
}

.sp-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sp-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sp-steel);
  padding: 5px 11px;
  border: 1px solid var(--sp-steel-line);
  border-radius: 3px;
  background: var(--sp-steel-soft);
}
.sp-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--sp-yellow);
  border-radius: 1px;
}

.sp-hero-copy h1 {
  margin: 16px 0 14px;
  font-size: clamp(30px, 3.9vw, 48px);
  line-height: 1.12;
  letter-spacing: -.035em;
}
.sp-hero-copy h1 b {
  position: relative;
  color: var(--sp-steel-deep);
  font-weight: 800;
  white-space: nowrap;
}
.sp-hero-copy h1 b::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 9px;
  background: linear-gradient(90deg, rgba(227, 160, 24, .42), rgba(227, 160, 24, .06));
  border-radius: 2px;
  z-index: -1;
}
:root[data-theme="dark"] .sp-hero-copy h1 b { color: var(--sp-steel); }

.sp-sub {
  font-size: 15px;
  line-height: 1.85;
  color: var(--sp-ink-2);
  max-width: 660px;
}
.sp-sub b { color: var(--sp-ink); font-weight: 600; }

.sp-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 22px;
}
.sp-hero-tags span {
  font-size: 12.5px;
  color: var(--sp-ink-2);
  padding: 4px 10px;
  background: var(--sp-card);
  border: 1px solid var(--sp-line);
  border-radius: 2px;
  box-shadow: 0 1px 0 rgba(29, 39, 48, .03);
}

.sp-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- 按钮 ---------- */
.sp-btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease, box-shadow .15s ease;
}
.sp-btn.solid {
  background: var(--sp-graphite);
  color: #f4f8fa;
  border-color: var(--sp-graphite);
  box-shadow: 0 10px 22px -14px rgba(29, 39, 48, .9);
}
.sp-btn.solid:hover { background: #16202a; transform: translateY(-1px); }
:root[data-theme="dark"] .sp-btn.solid { background: var(--sp-steel); border-color: var(--sp-steel); color: #08131a; }
:root[data-theme="dark"] .sp-btn.solid:hover { background: #84c6df; }

.sp-btn.line {
  background: transparent;
  color: var(--sp-ink-2);
  border-color: var(--sp-line);
}
.sp-btn.line:hover { color: var(--sp-steel); border-color: var(--sp-steel-line); background: var(--sp-steel-soft); }

.sp-btn.ai {
  background: var(--sp-yellow);
  border-color: var(--sp-yellow);
  color: #241a02;
  box-shadow: 0 12px 26px -16px rgba(227, 160, 24, .95);
}
.sp-btn.ai:hover { background: #efaf2b; transform: translateY(-1px); }
.sp-btn[disabled] { opacity: .6; cursor: not-allowed; transform: none; }

/* ---------- 首屏料带卡 ---------- */
.sp-reel {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background:
    linear-gradient(145deg, #2a3742 0%, #1d2730 46%, #18222a 100%);
  border: 1px solid #101a22;
  box-shadow: 0 24px 54px -30px rgba(12, 20, 27, .95);
  color: #e8f0f4;
}
.sp-reel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .028) 0 1px, transparent 1px 4px),
    radial-gradient(420px 180px at 100% 0%, rgba(227, 160, 24, .12), transparent 66%);
}
.sp-reel > * { position: relative; z-index: 1; }

.sp-reel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 18px;
  border-bottom: 1px dashed rgba(232, 240, 244, .2);
  font-family: var(--sp-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: rgba(232, 240, 244, .62);
}
.sp-reel-head em {
  font-style: normal;
  color: var(--sp-yellow);
  letter-spacing: .1em;
}

.sp-reel-canvas {
  padding: 6px 14px 0;
  background:
    repeating-linear-gradient(90deg, rgba(232, 240, 244, .05) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(0deg, rgba(232, 240, 244, .04) 0 1px, transparent 1px 26px);
}
.sp-reel-canvas svg { display: block; width: 100%; height: auto; }

.sp-reel-dims {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 6px 18px 0;
  background: rgba(232, 240, 244, .14);
  border: 1px solid rgba(232, 240, 244, .14);
  border-radius: 6px;
  overflow: hidden;
}
.sp-reel-dims > div {
  background: rgba(13, 21, 28, .55);
  padding: 9px 12px 10px;
}
.sp-reel-dims span {
  display: block;
  font-size: 11.5px;
  color: rgba(232, 240, 244, .58);
  letter-spacing: .02em;
}
.sp-reel-dims b {
  font-family: var(--sp-mono);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -.02em;
  color: #eef6f9;
}
.sp-reel-dims em {
  font-style: normal;
  margin-left: 3px;
  font-size: 11px;
  color: rgba(232, 240, 244, .5);
}

.sp-reel-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 12px 18px 14px;
}
.sp-reel-meta span {
  display: block;
  font-size: 11px;
  color: rgba(232, 240, 244, .48);
}
.sp-reel-meta b {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: rgba(232, 240, 244, .92);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sp-reel-kpi {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: 1px;
  background: rgba(227, 160, 24, .34);
  border-top: 1px solid rgba(227, 160, 24, .34);
}
.sp-kpi-main {
  background: linear-gradient(150deg, rgba(227, 160, 24, .2), rgba(227, 160, 24, .07));
  padding: 13px 18px 15px;
}
.sp-kpi-main span {
  display: block;
  font-size: 11.5px;
  color: rgba(253, 242, 217, .74);
  letter-spacing: .04em;
}
.sp-kpi-main b {
  font-family: var(--sp-mono);
  font-size: 38px;
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -.04em;
  color: #ffe6ab;
}
.sp-kpi-main b em { font-style: normal; font-size: 16px; margin-left: 2px; color: rgba(255, 230, 171, .8); }

.sp-kpi-side {
  background: rgba(13, 21, 28, .72);
  padding: 10px 18px 12px;
  display: grid;
  gap: 7px;
}
.sp-kpi-side > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.sp-kpi-side span { font-size: 11.5px; color: rgba(232, 240, 244, .52); }
.sp-kpi-side b {
  font-family: var(--sp-mono);
  font-size: 14px;
  font-weight: 600;
  color: #eaf3f7;
}

/* ---------- 工作区 ---------- */
.sp-work {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 352px;
  gap: 26px;
  align-items: start;
  padding-top: 8px;
}
.sp-main { display: grid; gap: 20px; min-width: 0; }

.sp-block {
  background: var(--sp-card);
  border: 1px solid var(--sp-line);
  border-radius: 10px;
  box-shadow: var(--sp-shadow);
  overflow: hidden;
}
.sp-block-head {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 17px 22px 15px;
  border-bottom: 1px solid var(--sp-line-2);
  background: linear-gradient(180deg, var(--sp-paper), var(--sp-card));
}
.sp-no {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sp-mono);
  font-size: 13px;
  font-weight: 700;
  color: #241a02;
  background: var(--sp-yellow);
  border-radius: 4px;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .14);
}
.sp-block-head h2 { font-size: 18.5px; line-height: 1.4; }
.sp-block-head p { font-size: 12.5px; color: var(--sp-ink-3); margin-top: 2px; }
.sp-block-body { padding: 20px 22px 22px; display: grid; gap: 16px; }

/* ---------- 表单 ---------- */
.sp-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
}
.sp-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.sp-field { display: grid; gap: 6px; min-width: 0; }
.sp-field > label {
  font-size: 13px;
  font-weight: 600;
  color: var(--sp-ink);
  display: grid;
  gap: 1px;
}
.sp-field > label em {
  font-style: normal;
  font-size: 11.5px;
  font-weight: 400;
  color: var(--sp-ink-3);
  line-height: 1.5;
}

.sp-input {
  display: flex;
  align-items: stretch;
  background: var(--sp-paper);
  border: 1px solid var(--sp-line);
  border-radius: 6px;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
  overflow: hidden;
}
.sp-input:focus-within {
  border-color: var(--sp-steel);
  background: var(--sp-card);
  box-shadow: 0 0 0 3px var(--sp-ring);
}
.sp-input input {
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
  border: 0;
  background: transparent;
  padding: 10px 12px;
  font-family: var(--sp-mono);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--sp-ink);
  letter-spacing: -.01em;
  outline: none;
}
.sp-input input::placeholder { color: var(--sp-ink-3); font-weight: 400; }
.sp-input .unit {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 0 11px;
  font-size: 11.5px;
  color: var(--sp-ink-3);
  background: var(--sp-bg-2);
  border-left: 1px solid var(--sp-line);
  white-space: nowrap;
}
.sp-input.readonly { background: var(--sp-bg-2); }
.sp-input.readonly input { color: var(--sp-steel-deep); font-weight: 700; }
:root[data-theme="dark"] .sp-input.readonly input { color: var(--sp-steel); }

.sp-field-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 18px;
}
.sp-tag {
  font-family: var(--sp-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  padding: 1px 6px;
  border-radius: 2px;
  border: 1px solid;
}
.sp-tag.auto { color: var(--sp-steel); background: var(--sp-steel-soft); border-color: var(--sp-steel-line); }
.sp-tag.manual { color: var(--sp-yellow-deep); background: var(--sp-yellow-soft); border-color: var(--sp-yellow-line); }
:root[data-theme="dark"] .sp-tag.manual { color: var(--sp-yellow); }

.sp-link {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  font-size: 11.5px;
  color: var(--sp-ink-3);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.sp-link:hover { color: var(--sp-steel); }

.sp-field-block { display: grid; gap: 8px; }
.sp-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.sp-label label { font-size: 13px; font-weight: 600; }
.sp-label span { font-size: 11.5px; color: var(--sp-ink-3); }

.sp-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.sp-chips button {
  appearance: none;
  border: 1px solid var(--sp-line);
  background: var(--sp-paper);
  color: var(--sp-ink-2);
  border-radius: 5px;
  padding: 7px 13px;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s ease;
}
.sp-chips button:hover { border-color: var(--sp-steel-line); color: var(--sp-steel); }
.sp-chips button.on {
  background: var(--sp-graphite);
  border-color: var(--sp-graphite);
  color: #f2f7fa;
  box-shadow: 0 6px 14px -10px rgba(29, 39, 48, .9);
}
:root[data-theme="dark"] .sp-chips button.on {
  background: var(--sp-steel);
  border-color: var(--sp-steel);
  color: #08131a;
}

.sp-inline-tip {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--sp-ink-3);
  padding: 10px 13px;
  background: var(--sp-paper);
  border-left: 3px solid var(--sp-steel-line);
  border-radius: 0 4px 4px 0;
}
.sp-inline-tip b { color: var(--sp-ink-2); }

/* ---------- 板料开裁 ---------- */
.sp-sheet {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 16px;
  align-items: stretch;
}
.sp-sheet-canvas {
  background:
    repeating-linear-gradient(90deg, rgba(44, 106, 134, .07) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(0deg, rgba(44, 106, 134, .055) 0 1px, transparent 1px 22px),
    var(--sp-paper);
  border: 1px solid var(--sp-line);
  border-radius: 7px;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sp-sheet-canvas svg { display: block; width: 100%; height: auto; max-height: 240px; }

.sp-sheet-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--sp-line);
  border: 1px solid var(--sp-line);
  border-radius: 7px;
  overflow: hidden;
}
.sp-sheet-stats > div {
  background: var(--sp-card);
  padding: 12px 14px;
  display: grid;
  align-content: center;
  gap: 1px;
}
.sp-sheet-stats span { font-size: 11.5px; color: var(--sp-ink-3); }
.sp-sheet-stats b {
  font-family: var(--sp-mono);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -.02em;
}
.sp-sheet-stats em { font-style: normal; font-size: 11px; color: var(--sp-ink-3); }
.sp-sheet-stats .hl { background: var(--sp-yellow-soft); }
.sp-sheet-stats .hl b { color: var(--sp-yellow-deep); }
:root[data-theme="dark"] .sp-sheet-stats .hl b { color: var(--sp-yellow); }

/* ---------- 成本拆解 ---------- */
.sp-cost {
  border: 1px solid var(--sp-line);
  border-radius: 7px;
  overflow: hidden;
}
.sp-cost-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 2px 14px;
  padding: 10px 15px;
  border-bottom: 1px solid var(--sp-line-2);
  background: var(--sp-card);
}
.sp-cost-row:last-child { border-bottom: 0; }
.sp-cost-row > span { font-size: 13px; color: var(--sp-ink-2); }
.sp-cost-row > b {
  font-family: var(--sp-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--sp-ink);
  white-space: nowrap;
}
.sp-cost-row > em {
  grid-column: 1;
  font-style: normal;
  font-size: 11px;
  color: var(--sp-ink-3);
  line-height: 1.5;
}
.sp-cost-row > b.minus { color: var(--sp-red); }
.sp-cost-row.sum {
  background: var(--sp-steel-soft);
  border-top: 1px solid var(--sp-steel-line);
}
.sp-cost-row.sum > span { font-weight: 700; color: var(--sp-steel-deep); }
:root[data-theme="dark"] .sp-cost-row.sum > span { color: var(--sp-steel); }
.sp-cost-row.sum > b { font-size: 19px; color: var(--sp-steel-deep); }
:root[data-theme="dark"] .sp-cost-row.sum > b { color: var(--sp-steel); }

/* ---------- 表格 ---------- */
.sp-table-wrap {
  border: 1px solid var(--sp-line);
  border-radius: 7px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.sp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 560px;
}
.sp-table th {
  text-align: left;
  padding: 9px 13px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--sp-ink-3);
  background: var(--sp-paper);
  border-bottom: 1px solid var(--sp-line);
  white-space: nowrap;
}
.sp-table td {
  padding: 10px 13px;
  border-bottom: 1px solid var(--sp-line-2);
  color: var(--sp-ink-2);
  font-family: var(--sp-mono);
  font-size: 12.5px;
  white-space: nowrap;
}
.sp-table td:first-child { font-family: var(--sp-sans); color: var(--sp-ink); }
.sp-table tbody tr:last-child td { border-bottom: 0; }
.sp-table tbody tr:hover td { background: var(--sp-paper); }
.sp-table tbody tr.on td { background: var(--sp-yellow-soft); }
.sp-table tbody tr.on td:first-child { font-weight: 700; color: var(--sp-yellow-deep); }
:root[data-theme="dark"] .sp-table tbody tr.on td:first-child { color: var(--sp-yellow); }
.sp-table tbody tr.empty td {
  font-family: var(--sp-sans);
  color: var(--sp-ink-3);
  text-align: center;
  padding: 22px 12px;
  white-space: normal;
}
.sp-table .hl { color: var(--sp-steel-deep); font-weight: 700; }
:root[data-theme="dark"] .sp-table .hl { color: var(--sp-steel); }

/* ---------- 批量 ---------- */
.sp-textarea {
  width: 100%;
  border: 1px solid var(--sp-line);
  border-radius: 6px;
  background: var(--sp-paper);
  padding: 11px 13px;
  font-family: var(--sp-mono);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--sp-ink);
  resize: vertical;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.sp-textarea:focus { border-color: var(--sp-steel); box-shadow: 0 0 0 3px var(--sp-ring); background: var(--sp-card); }
.sp-textarea::placeholder { color: var(--sp-ink-3); }

.sp-page .sp-batch-format {
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--sp-ink-3);
  margin-top: 7px;
}
.sp-batch-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; }
.sp-batch-count { font-size: 12px; color: var(--sp-ink-3); margin-left: auto; }

.sp-batch-err {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--sp-red);
  background: var(--sp-red-soft);
  border: 1px solid rgba(187, 85, 64, .22);
  border-radius: 5px;
  padding: 9px 12px;
}
.sp-batch-err:empty { display: none; }

/* ---------- 右侧核算单 ---------- */
.sp-slip {
  position: sticky;
  top: 80px;
  background: var(--sp-card);
  border: 1px solid var(--sp-line);
  border-radius: 10px;
  box-shadow: var(--sp-shadow-lift);
  overflow: hidden;
}
.sp-slip-head {
  padding: 15px 19px 13px;
  background: linear-gradient(160deg, #26333e, #1a242c);
  color: #e9f1f5;
  border-bottom: 3px solid var(--sp-yellow);
}
.sp-slip-head > span {
  font-family: var(--sp-mono);
  font-size: 10px;
  letter-spacing: .16em;
  color: rgba(233, 241, 245, .55);
}
.sp-slip-head h2 { font-size: 17px; margin-top: 4px; letter-spacing: .02em; }
.sp-slip-head em {
  display: block;
  margin-top: 3px;
  font-style: normal;
  font-size: 11.5px;
  color: rgba(233, 241, 245, .66);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sp-gauge {
  position: relative;
  padding: 14px 18px 4px;
  background: var(--sp-paper);
  border-bottom: 1px solid var(--sp-line-2);
}
.sp-gauge svg { display: block; width: 100%; height: auto; max-height: 92px; }
.sp-gauge .track {
  fill: none;
  stroke: var(--sp-line);
  stroke-width: 9;
  stroke-linecap: round;
}
.sp-gauge .fill {
  fill: none;
  stroke: var(--sp-yellow);
  stroke-width: 9;
  stroke-linecap: round;
  transition: stroke-dashoffset .35s ease, stroke .2s ease;
}
.sp-gauge-num {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  text-align: center;
  line-height: 1;
}
.sp-gauge-num b {
  font-family: var(--sp-mono);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -.03em;
  color: var(--sp-ink);
}
.sp-gauge-num em { font-style: normal; font-size: 12px; color: var(--sp-ink-3); margin-left: 2px; }
.sp-gauge-num span {
  display: block;
  margin-top: 5px;
  font-size: 11px;
  color: var(--sp-ink-3);
  letter-spacing: .04em;
}

.sp-rows {
  list-style: none;
  margin: 0;
  padding: 8px 19px 4px;
}
.sp-rows li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--sp-line-2);
}
.sp-rows li:last-child { border-bottom: 0; }
.sp-rows span { font-size: 12.5px; color: var(--sp-ink-2); }
.sp-rows b {
  font-family: var(--sp-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--sp-ink);
  white-space: nowrap;
}
.sp-rows b.minus { color: var(--sp-red); }
.sp-rows li.sum { border-top: 1px solid var(--sp-line); border-bottom: 1px solid var(--sp-line); }
.sp-rows li.sum span { font-weight: 700; color: var(--sp-ink); }
.sp-rows li.sum b { font-size: 15px; }

.sp-slip-total {
  margin: 10px 19px 0;
  padding: 13px 15px 14px;
  background: var(--sp-graphite);
  border-radius: 7px;
  color: #eaf3f7;
  position: relative;
  overflow: hidden;
}
.sp-slip-total::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(227, 160, 24, .3), transparent 70%);
}
.sp-slip-total > span {
  font-size: 11.5px;
  color: rgba(234, 243, 247, .62);
  letter-spacing: .04em;
}
.sp-total-num { display: flex; align-items: baseline; gap: 8px; margin-top: 2px; }
.sp-total-num b {
  font-family: var(--sp-mono);
  font-size: 32px;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -.035em;
  color: #ffe1a2;
}
.sp-total-num i { font-style: normal; color: rgba(234, 243, 247, .5); }
.sp-total-sub { margin-top: 3px; font-size: 11.5px; color: rgba(234, 243, 247, .6); }
.sp-total-sub i { font-style: normal; font-family: var(--sp-mono); color: rgba(234, 243, 247, .88); }

.sp-page .sp-hint {
  margin: 12px 19px 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--sp-ink-3);
  padding-left: 10px;
  border-left: 2px solid var(--sp-yellow);
}

.sp-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 14px 19px 18px;
}
.sp-actions .sp-btn { padding: 10px 12px; font-size: 13px; }
.sp-actions .sp-btn:first-child { grid-column: 1 / -1; }

/* ---------- AI ---------- */
.sp-ai {
  margin-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  padding: 22px 26px;
  border-radius: 10px;
  background:
    radial-gradient(520px 220px at 92% 0%, rgba(227, 160, 24, .16), transparent 62%),
    linear-gradient(150deg, #24313b, #1a242c);
  border: 1px solid #101a22;
  color: #e8f1f5;
  box-shadow: 0 22px 50px -34px rgba(12, 20, 27, .9);
}
.sp-ai-copy { display: flex; gap: 15px; align-items: flex-start; min-width: 0; }
.sp-ai-badge {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sp-mono);
  font-size: 13px;
  font-weight: 700;
  color: #241a02;
  background: var(--sp-yellow);
  border-radius: 7px;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .16);
}
.sp-ai h2 { font-size: 17.5px; line-height: 1.45; }
.sp-ai p { margin-top: 5px; font-size: 12.5px; line-height: 1.7; color: rgba(232, 241, 245, .66); }
.sp-ai-status:empty { display: none; }
.sp-ai-status {
  grid-column: 1 / -1;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(232, 241, 245, .82);
  padding: 12px 15px;
  border-radius: 6px;
  background: rgba(8, 15, 20, .45);
  border: 1px solid rgba(232, 241, 245, .14);
  white-space: pre-wrap;
}
.sp-ai-status p { margin: 0 0 7px; }
.sp-ai-status p:last-child { margin-bottom: 0; }
.sp-ai-status .ai-title {
  display: block;
  margin: 12px 0 5px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .01em;
  color: #ffe1a2;
}
.sp-ai-status .ai-title:first-child { margin-top: 0; }
.sp-ai-status.is-error { color: #ffc9ba; border-color: rgba(255, 160, 130, .28); }
.sp-ai-status.is-loading { color: rgba(255, 225, 162, .82); }

/* ---------- 文档 ---------- */
.sp-docs { padding-top: 46px; }
.sp-docs-head { max-width: 780px; }
.sp-docs-head h2 {
  font-size: clamp(23px, 2.6vw, 31px);
  line-height: 1.3;
  margin: 12px 0 10px;
  letter-spacing: -.025em;
}
.sp-docs-head p { font-size: 14px; line-height: 1.85; color: var(--sp-ink-2); }

.sp-docs-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.sp-doc {
  background: var(--sp-card);
  border: 1px solid var(--sp-line);
  border-radius: 9px;
  padding: 20px 22px 22px;
  box-shadow: var(--sp-shadow);
}
.sp-doc.wide { grid-column: 1 / -1; }
.sp-doc h3 {
  font-size: 16px;
  line-height: 1.45;
  margin-bottom: 10px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--sp-line-2);
  color: var(--sp-ink);
}
.sp-doc p { font-size: 13.5px; line-height: 1.85; color: var(--sp-ink-2); }
.sp-doc p + p { margin-top: 9px; }
.sp-doc b { color: var(--sp-ink); font-weight: 600; }
.sp-doc ul { margin: 8px 0 0; padding-left: 18px; }
.sp-doc li { font-size: 13.5px; line-height: 1.8; color: var(--sp-ink-2); }

.sp-doc-table { margin: 12px 0 4px; overflow-x: auto; border: 1px solid var(--sp-line); border-radius: 6px; }
.sp-doc-table table { width: 100%; border-collapse: collapse; font-size: 12.5px; min-width: 460px; }
.sp-doc-table th {
  text-align: left;
  padding: 8px 12px;
  background: var(--sp-paper);
  color: var(--sp-ink-3);
  font-weight: 600;
  font-size: 11.5px;
  border-bottom: 1px solid var(--sp-line);
  white-space: nowrap;
}
.sp-doc-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--sp-line-2);
  color: var(--sp-ink-2);
  line-height: 1.65;
}
.sp-doc-table tr:last-child td { border-bottom: 0; }

.sp-faq { display: grid; gap: 8px; }
.sp-faq details {
  border: 1px solid var(--sp-line);
  border-radius: 6px;
  background: var(--sp-paper);
  overflow: hidden;
}
.sp-faq summary {
  cursor: pointer;
  list-style: none;
  padding: 11px 36px 11px 14px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--sp-ink);
  position: relative;
}
.sp-faq summary::-webkit-details-marker { display: none; }
.sp-faq summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--sp-mono);
  font-size: 17px;
  color: var(--sp-steel);
  line-height: 1;
}
.sp-faq details[open] summary::after { content: "−"; }
.sp-faq details[open] summary { border-bottom: 1px solid var(--sp-line-2); }
.sp-faq-body {
  padding: 11px 14px 13px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--sp-ink-2);
  background: var(--sp-card);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .sp-work { grid-template-columns: minmax(0, 1fr); }
  .sp-slip { position: static; }
  .sp-actions { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sp-actions .sp-btn:first-child { grid-column: auto; }
}

@media (max-width: 920px) {
  .sp-hero { grid-template-columns: minmax(0, 1fr); gap: 26px; padding-top: 18px; }
  .sp-reel { max-width: 520px; }
  .sp-sheet { grid-template-columns: minmax(0, 1fr); }
  .sp-docs-grid { grid-template-columns: minmax(0, 1fr); }
  .sp-ai { grid-template-columns: minmax(0, 1fr); }
  .sp-ai .sp-btn { justify-self: start; }
}

@media (max-width: 700px) {
  .sp-page { font-size: 14.5px; }
  .sp-wrap { padding: 0 15px; }
  .sp-block-head { padding: 14px 16px 13px; }
  .sp-block-body { padding: 16px; }
  .sp-grid { grid-template-columns: minmax(0, 1fr); }
  .sp-grid.three { grid-template-columns: minmax(0, 1fr); }
  .sp-hero-tags { gap: 6px; }
  .sp-hero-tags span { font-size: 11.5px; }
  .sp-hero-actions .sp-btn { flex: 1 1 auto; }
  .sp-actions { grid-template-columns: 1fr; }
  .sp-batch-count { margin-left: 0; flex-basis: 100%; }
  .sp-kpi-main b { font-size: 32px; }
  .sp-docs { padding-top: 34px; }
  .sp-doc { padding: 17px; }
  .sp-sheet-stats b { font-size: 18px; }
  .sp-ai { padding: 18px; }
  .sp-ai-copy { gap: 11px; }
}

@media (max-width: 400px) {
  .sp-reel-meta { grid-template-columns: 1fr 1fr; }
  .sp-reel-meta > div:last-child { grid-column: 1 / -1; }
  .sp-reel-kpi { grid-template-columns: 1fr; }
  .sp-sheet-stats { grid-template-columns: 1fr; }
}