/* 收纳箱尺寸与容量计算器 · 砂米暖棕系 · 双列 0.9:1.1 */
:root {
  --sx-a: #a16207;
  --sx-a2: #d97706;
  --sx-a-soft: #fdf6e3;
  --sx-bg: #fbf7ee;
  --sx-card: #ffffff;
  --sx-card2: #fdfaf3;
  --sx-txt: #2a2116;
  --sx-txt2: #6b5b43;
  --sx-txt3: #9a8970;
  --sx-line: #ebe0cc;
  --sx-line2: #f5eddf;
  --sx-ok: #15803d;
  --sx-warn: #a16207;
  --sx-bad: #b91c1c;
  --sx-shadow: 0 1px 2px rgba(90, 60, 10, .04), 0 16px 36px -22px rgba(90, 60, 10, .28);
  --sx-r: 18px;
  --sx-r2: 11px;
}

[data-theme='dark'] .sx {
  --sx-a: #fbbf24;
  --sx-a2: #f59e0b;
  --sx-a-soft: #322512;
  --sx-bg: #14110c;
  --sx-card: #201b13;
  --sx-card2: #1a1610;
  --sx-txt: #f6efe2;
  --sx-txt2: #c9bba5;
  --sx-txt3: #94846d;
  --sx-line: #3a3125;
  --sx-line2: #2b241b;
  --sx-ok: #4ade80;
  --sx-warn: #fbbf24;
  --sx-bad: #f87171;
  --sx-shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 16px 36px -22px rgba(0, 0, 0, .7);
  --sx-r: 18px;
  --sx-r2: 11px;
}

.sx { background: var(--sx-bg); color: var(--sx-txt); padding: 26px 0 46px; }
.sx-inner { width: min(1140px, calc(100% - 44px)); max-width: none; margin: 0 auto; }

/* ---------- Hero ---------- */
.sx-hero {
  display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
  gap: 24px; align-items: center; padding: 30px 32px 28px;
  border-radius: 22px;
  background:
    radial-gradient(640px 260px at 90% 4%, rgba(217, 119, 6, .14), transparent 68%),
    linear-gradient(140deg, var(--sx-card), var(--sx-card2));
  border: 1px solid var(--sx-line); box-shadow: var(--sx-shadow);
}
.sx-kicker {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 700;
  color: var(--sx-a); background: var(--sx-a-soft);
  border: 1px solid color-mix(in srgb, var(--sx-a) 22%, transparent);
  padding: 5px 11px; border-radius: 999px;
}
.sx-hero h1 { margin: 14px 0 0; font-size: clamp(26px, 3.4vw, 41px); line-height: 1.2; letter-spacing: -.7px; font-weight: 800; }
.sx-hero h1 em {
  font-style: normal; display: inline-block; margin-top: 4px; color: var(--sx-a);
  background: linear-gradient(180deg, transparent 62%, rgba(217, 119, 6, .26) 62%);
  padding: 0 2px;
}
.sx-sub { margin: 12px 0 0; font-size: 14.5px; line-height: 1.85; color: var(--sx-txt2); max-width: 66ch; }
.sx-sub b { color: var(--sx-txt); font-weight: 700; }
.sx-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.sx-tag {
  display: inline-flex; align-items: center; gap: 5px; font-size: 12.5px; padding: 5px 10px;
  border-radius: 9px; background: var(--sx-card2); border: 1px solid var(--sx-line); color: var(--sx-txt2);
}
.sx-tag i { color: var(--sx-a); font-style: normal; font-weight: 800; }

/* 纯 CSS 收纳箱堆叠插画 */
.sx-hero-art { position: relative; height: 232px; }
.sx-art-stack { position: absolute; left: 50%; top: 24px; transform: translateX(-50%); width: 210px; display: flex; flex-direction: column-reverse; gap: 7px; }
.sx-art-layer {
  display: flex; gap: 7px; padding: 7px 9px; border-radius: 9px;
  background: linear-gradient(180deg, #fef3c7, #fde68a 60%, #fcd34d);
  border: 2px solid #b45309; box-shadow: inset 0 -4px 8px -6px rgba(120, 53, 15, .5);
  animation: sxSettle 3.6s ease-in-out infinite;
}
.sx-art-layer.l1 { width: 210px; animation-delay: 0s; }
.sx-art-layer.l2 { width: 176px; margin: 0 auto; animation-delay: .5s; }
.sx-art-layer.l3 { width: 210px; animation-delay: 1s; }
.sx-art-layer s { flex: 1; height: 24px; border-radius: 4px; background: rgba(255, 255, 255, .72); border: 1px solid rgba(180, 83, 9, .45); }
@keyframes sxSettle { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-3px); } }
.sx-chip {
  position: absolute; font-size: 11.5px; padding: 5px 10px; border-radius: 9px;
  background: var(--sx-card); border: 1px solid var(--sx-line); color: var(--sx-txt2);
  box-shadow: var(--sx-shadow); white-space: nowrap;
}
.sx-chip b { color: var(--sx-a); }
.sx-chip.c1 { left: 0; top: 94px; animation: sxFloat 4s ease-in-out infinite; }
.sx-chip.c2 { right: 0; top: 162px; animation: sxFloat 4s ease-in-out .8s infinite; }
@keyframes sxFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* ---------- 双列 0.9 : 1.1 ---------- */
.sx-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 18px; margin-top: 18px; align-items: start; }
.sx-left, .sx-right { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

.sx-card {
  background: var(--sx-card); border: 1px solid var(--sx-line); border-radius: var(--sx-r);
  box-shadow: var(--sx-shadow); padding: 20px 22px 22px; min-width: 0;
}
.sx-card-h { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.sx-card-h h2 { margin: 0; font-size: 16.5px; font-weight: 800; letter-spacing: -.2px; display: flex; align-items: center; gap: 9px; }
.sx-no { font-size: 11px; font-weight: 800; letter-spacing: .5px; color: #fff; background: var(--sx-a); padding: 3px 7px; border-radius: 6px; }
[data-theme='dark'] .sx .sx-no { color: #1a1308; }
.sx-card-h small { font-size: 12px; color: var(--sx-txt3); text-align: right; }

/* ---------- 输入 ---------- */
.sx-field { margin-bottom: 15px; }
.sx-label { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.sx-label label { font-size: 13.5px; font-weight: 600; color: var(--sx-txt); }
.sx-label label b { color: var(--sx-bad); }
.sx-hint { font-size: 11.5px; color: var(--sx-txt3); }
.sx-range-row { display: grid; grid-template-columns: 1fr 110px; gap: 12px; align-items: center; }
.sx-range-row input[type='range'] { -webkit-appearance: none; appearance: none; height: 6px; border-radius: 999px; background: var(--sx-line); outline: none; }
.sx-range-row input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--sx-a);
  border: 3px solid var(--sx-card); box-shadow: 0 0 0 1px var(--sx-a); cursor: pointer;
}
.sx-range-row input[type='range']::-moz-range-thumb { width: 16px; height: 16px; border: none; border-radius: 50%; background: var(--sx-a); cursor: pointer; }
.sx-numbox { display: flex; align-items: center; border: 1px solid var(--sx-line); border-radius: var(--sx-r2); background: var(--sx-card2); overflow: hidden; }
.sx-numbox input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--sx-txt); font-size: 15px; font-weight: 700; padding: 9px 10px; outline: none; }
.sx-numbox span { padding: 0 10px; font-size: 12px; color: var(--sx-txt3); background: var(--sx-line2); align-self: stretch; display: flex; align-items: center; white-space: nowrap; }
.sx-numbox.wide { width: 100%; }
.sx-err { display: none; margin-top: 6px; font-size: 12px; color: var(--sx-bad); }
.sx-err.on { display: block; }
.sx-field.bad .sx-numbox, .sx-field.bad .sx-control { border-color: var(--sx-bad); box-shadow: 0 0 0 3px color-mix(in srgb, var(--sx-bad) 14%, transparent); }
.sx-control { border: 1px solid var(--sx-line); border-radius: var(--sx-r2); background: var(--sx-card2); }
.sx-control select {
  width: 100%; border: 0; background: transparent; color: var(--sx-txt); font-size: 13.5px;
  padding: 10px 11px; outline: none; cursor: pointer; appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--sx-txt3) 50%), linear-gradient(135deg, var(--sx-txt3) 50%, transparent 50%);
  background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
.sx-grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.sx-presets { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 4px; }
.sx-preset {
  border: 1px dashed var(--sx-line); background: var(--sx-card2); color: var(--sx-txt2);
  font-size: 12.5px; font-weight: 600; padding: 9px 8px; border-radius: 10px; cursor: pointer;
  transition: border-color .18s, background .18s, color .18s;
}
.sx-preset:hover, .sx-preset.on { border-color: var(--sx-a); background: var(--sx-a-soft); color: var(--sx-a); }
.sx-tip { margin: 12px 0 0; font-size: 12.5px; line-height: 1.75; color: var(--sx-txt3); background: var(--sx-line2); border-left: 3px solid var(--sx-a2); padding: 9px 12px; border-radius: 0 8px 8px 0; }
.sx-tip code { font-size: 12px; background: var(--sx-card); padding: 1px 5px; border-radius: 4px; color: var(--sx-a); }

/* ---------- 结果 ---------- */
.sx-result-card { background: var(--sx-card); border: 1px solid var(--sx-line); border-radius: var(--sx-r); box-shadow: var(--sx-shadow); overflow: hidden; }
.sx-result-h { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--sx-line2); }
.sx-result-h h2 { margin: 0; font-size: 15px; font-weight: 800; }
.sx-badge { font-size: 11.5px; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: var(--sx-line2); color: var(--sx-txt3); }
.sx-badge.ok { background: color-mix(in srgb, var(--sx-ok) 14%, transparent); color: var(--sx-ok); }
.sx-badge.warn { background: color-mix(in srgb, var(--sx-warn) 16%, transparent); color: var(--sx-warn); }
.sx-verdict { padding: 20px; text-align: center; background: linear-gradient(180deg, var(--sx-a-soft), transparent); }
.sx-verdict-label { display: block; font-size: 12px; color: var(--sx-txt3); letter-spacing: .4px; }
.sx-verdict-num { display: inline-block; font-size: 34px; line-height: 1.14; font-weight: 800; color: var(--sx-a); letter-spacing: -1.2px; margin-top: 2px; }
.sx-verdict-unit { font-size: 13px; color: var(--sx-txt2); }
.sx-verdict-sub { margin: 6px 0 0; font-size: 12.5px; color: var(--sx-txt2); }
.sx-kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--sx-line2); }
.sx-kpi { background: var(--sx-card); padding: 12px 12px; }
.sx-kpi span { display: block; font-size: 11.5px; color: var(--sx-txt3); }
.sx-kpi b { display: inline-block; font-size: 19px; font-weight: 800; color: var(--sx-txt); margin-top: 2px; letter-spacing: -.4px; }
.sx-kpi small { font-size: 11px; color: var(--sx-txt3); margin-left: 3px; }
.sx-advice { padding: 14px 20px 10px; }
.sx-advice h3 { margin: 0 0 6px; font-size: 13px; font-weight: 700; }
.sx-conclusion { margin: 0 0 8px; font-size: 13px; line-height: 1.75; color: var(--sx-txt); font-weight: 600; }
.sx-advice ul { margin: 0; padding-left: 18px; }
.sx-advice li { font-size: 12.5px; line-height: 1.8; color: var(--sx-txt2); margin-bottom: 3px; }
.sx-cost { display: flex; align-items: baseline; gap: 8px; margin: 4px 20px 14px; border: 1px dashed var(--sx-line); border-radius: 10px; padding: 10px 12px; }
.sx-cost span { flex: 1; font-size: 12px; color: var(--sx-txt3); }
.sx-cost b { font-size: 19px; font-weight: 800; color: var(--sx-a); }
.sx-cost small { font-size: 11px; color: var(--sx-txt3); }
.sx-risk { margin: 0 16px 16px; padding: 10px 12px; border-radius: 10px; background: color-mix(in srgb, var(--sx-warn) 11%, transparent); border: 1px solid color-mix(in srgb, var(--sx-warn) 34%, transparent); font-size: 12.5px; line-height: 1.7; color: var(--sx-txt2); }
.sx-risk strong { color: var(--sx-warn); margin-right: 6px; }

/* ---------- 可视化 ---------- */
.sx-viz-card { border-radius: 22px; }
.sx-viz { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 18px; align-items: center; }
.sx-stack-wrap { background: var(--sx-card2); border: 1px solid var(--sx-line2); border-radius: 14px; padding: 14px; }
.sx-stack { display: flex; flex-direction: column-reverse; gap: 7px; min-height: 128px; justify-content: flex-start; }
.sx-stack-layer { display: flex; align-items: center; gap: 7px; }
.sx-stack-layer > span {
  flex: none; width: 34px; font-size: 10.5px; color: var(--sx-txt3); text-align: right;
}
.sx-stack-layer .sx-boxes { flex: 1; display: flex; gap: 5px; flex-wrap: nowrap; overflow: hidden; }
.sx-box {
  flex: none; width: 36px; height: 24px; border-radius: 4px;
  background: linear-gradient(180deg, #fde68a, #fbbf24); border: 1.5px solid #b45309;
  box-shadow: inset 0 -3px 4px -3px rgba(120, 53, 15, .45);
}
.sx-box.more { width: auto; padding: 0 6px; display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 700; color: #7c2d12; background: var(--sx-line2); border-color: var(--sx-line); }
.sx-stack-layer em { flex: none; font-style: normal; font-size: 10.5px; color: var(--sx-txt3); width: 26px; }
.sx-stack-note { margin: 10px 0 0; font-size: 11px; color: var(--sx-txt3); }
.sx-ring-wrap { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.sx-ring {
  width: 136px; height: 136px; border-radius: 50%; position: relative; display: grid; place-items: center;
  background: conic-gradient(var(--sx-a) calc(var(--sx-pct, 0) * 1%), var(--sx-line2) 0);
  transition: background .4s ease;
}
.sx-ring::before { content: ''; position: absolute; inset: 15px; border-radius: 50%; background: var(--sx-card); border: 1px solid var(--sx-line2); }
.sx-ring-pct { position: relative; z-index: 1; font-size: 26px; font-weight: 800; color: var(--sx-txt); letter-spacing: -.8px; }
.sx-ring small { position: absolute; z-index: 1; top: 84px; font-size: 10.5px; color: var(--sx-txt3); }
.sx-ring-legend { display: flex; gap: 12px; font-size: 11px; color: var(--sx-txt3); }
.sx-ring-legend span { display: inline-flex; align-items: center; gap: 5px; }
.sx-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.sx-dot.a { background: var(--sx-a); }
.sx-dot.b { background: var(--sx-line2); border: 1px solid var(--sx-line); }

/* ---------- 三档方案 ---------- */
.sx-plans-card { margin-top: 18px; }
.sx-plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.sx-plan {
  border: 1.5px solid var(--sx-line); border-radius: 15px; background: var(--sx-card2);
  padding: 18px 16px 14px; position: relative; transition: border-color .2s, transform .2s, box-shadow .2s;
}
.sx-plan.rec { border-color: var(--sx-a); box-shadow: 0 0 0 3px color-mix(in srgb, var(--sx-a) 14%, transparent); background: var(--sx-card); }
.sx-plan-tag { position: absolute; right: 12px; top: -10px; font-size: 10.5px; font-weight: 800; color: #fff; background: var(--sx-a); padding: 3px 9px; border-radius: 999px; }
[data-theme='dark'] .sx .sx-plan-tag { color: #1a1308; }
.sx-plan h3 { margin: 0; font-size: 23px; font-weight: 800; letter-spacing: -.6px; }
.sx-plan h3 span { font-size: 12px; color: var(--sx-txt3); font-weight: 500; margin-left: 4px; }
.sx-plan p { margin: 4px 0 12px; font-size: 12px; color: var(--sx-txt3); }
.sx-plan dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 10px; font-size: 12.5px; }
.sx-plan dt { color: var(--sx-txt3); }
.sx-plan dd { margin: 0; text-align: right; font-weight: 600; color: var(--sx-txt); }
.sx-plan .sx-plan-note { margin-top: 10px; font-size: 12px; line-height: 1.75; color: var(--sx-txt3); }
.sx-plan .sx-plan-pick { margin-top: 12px; width: 100%; border: 0; border-radius: 9px; padding: 8px; font-size: 12.5px; font-weight: 700; cursor: pointer; background: var(--sx-line2); color: var(--sx-txt2); }
.sx-plan.rec .sx-plan-pick { background: var(--sx-a); color: #fff; }
[data-theme='dark'] .sx .sx-plan.rec .sx-plan-pick { color: #1a1308; }

/* ---------- 表格 / 步骤 / 历史 ---------- */
.sx-table-wrap { overflow-x: auto; border: 1px solid var(--sx-line); border-radius: 12px; }
.sx-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 680px; }
.sx-table th, .sx-table td { padding: 10px 13px; text-align: left; border-bottom: 1px solid var(--sx-line2); }
.sx-table th { background: var(--sx-line2); font-size: 12px; color: var(--sx-txt2); font-weight: 700; }
.sx-table td:last-child { color: var(--sx-txt3); font-size: 12px; }
.sx-table tr:last-child td { border-bottom: 0; }
.sx-steps { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.sx-steps li { display: grid; grid-template-columns: 24px 1fr; gap: 10px; align-items: start; font-size: 13px; line-height: 1.8; color: var(--sx-txt2); }
.sx-steps li b { display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 50%; background: var(--sx-a-soft); color: var(--sx-a); font-size: 12px; }
.sx-steps li em { display: block; font-style: normal; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--sx-a); margin-top: 3px; }
.sx-textarea {
  width: 100%; min-height: 118px; resize: vertical; border: 1px solid var(--sx-line);
  border-radius: 12px; background: var(--sx-card2); color: var(--sx-txt);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; line-height: 1.7; padding: 12px;
}
.sx-history { display: flex; flex-direction: column; gap: 8px; }
.sx-hist-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; border: 1px solid var(--sx-line); border-radius: 10px; padding: 10px 12px; background: var(--sx-card2); font-size: 12.5px; }
.sx-hist-item button { border: 0; background: var(--sx-a-soft); color: var(--sx-a); font-size: 12px; font-weight: 700; padding: 5px 10px; border-radius: 7px; cursor: pointer; }
.sx-empty { font-size: 12.5px; color: var(--sx-txt3); margin: 0; }

/* ---------- 按钮 ---------- */
.sx-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.sx-actions.tight { margin-top: 12px; }
.sx-main-actions { margin-top: 18px; }
.sx-btn {
  border: 1px solid var(--sx-line); background: var(--sx-card); color: var(--sx-txt);
  font-size: 13px; font-weight: 600; padding: 10px 16px; border-radius: 10px; cursor: pointer;
  transition: transform .12s, box-shadow .18s, background .18s;
}
.sx-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 16px -10px rgba(0, 0, 0, .5); }
.sx-btn.primary { background: var(--sx-a); border-color: var(--sx-a); color: #fff; }
[data-theme='dark'] .sx .sx-btn.primary { color: #1a1308; }
.sx-btn.ghost { background: transparent; color: var(--sx-txt2); }
.sx-msg { margin-top: 10px; font-size: 12.5px; color: var(--sx-txt3); min-height: 18px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .sx-hero { grid-template-columns: 1fr; }
  .sx-hero-art { display: none; }
  .sx-layout { grid-template-columns: 1fr; }
  .sx-plans { grid-template-columns: 1fr; }
  .sx-viz { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .sx-inner { width: calc(100% - 28px); }
  .sx-hero { padding: 22px 18px; border-radius: 18px; }
  .sx-card { padding: 16px 16px 18px; }
  .sx-grid2 { grid-template-columns: 1fr; }
  .sx-range-row { grid-template-columns: 1fr; }
  .sx-card-h { flex-direction: column; align-items: flex-start; gap: 4px; }
  .sx-card-h small { text-align: left; }
  .sx-kpis { grid-template-columns: 1fr 1fr; }
  .sx-presets { grid-template-columns: 1fr; }
  .sx-verdict-num { font-size: 28px; }
  .sx-actions .sx-btn { flex: 1 1 44%; }
  .sx-ring { width: 120px; height: 120px; }
  .sx-ring small { top: 74px; }
}

/* ---------- 打印 ---------- */
@media print {
  .sx-actions, .sx-textarea, .sx-history, .sx-main-actions, .sx-msg, .tsk-crumb-bar { display: none !important; }
  .sx { padding: 0; background: #fff; }
  .sx-card, .sx-result-card { box-shadow: none; border-color: #ddd; break-inside: avoid; }
  .sx-hero { box-shadow: none; }
  .sx-layout { display: block; }
}

/* ---------- 全局对齐：面包屑 / 内容 / 底部区块统一 ---------- */
.tsk-crumb-bar-in {
  width: min(1140px, calc(100% - 44px)) !important;
  max-width: none !important;
  margin: 0 auto !important;
  padding: 11px 0 !important;
}
@media (max-width: 700px) {
  .tsk-crumb-bar-in { width: calc(100% - 28px) !important; padding: 9px 0 !important; }
}