/* 滑雪板长度计算器 · 冰蓝双口径主题 */
:root {
  --sb-a: #1d4ed8;
  --sb-a2: #93c5fd;
  --sb-a3: #1e40af;
  --sb-soft: #dbeafe;
  --sb-bg: #f2f7fe;
  --sb-card: #ffffff;
  --sb-card2: #f7faff;
  --sb-txt: #10203f;
  --sb-txt2: #44587a;
  --sb-txt3: #7b8caa;
  --sb-line: #d7e3f7;
  --sb-line2: #eaf1fc;
  --sb-ok: #15803d;
  --sb-warn: #b45309;
  --sb-bad: #be123c;
  --sb-shadow: 0 1px 2px rgba(29, 78, 216, .06), 0 12px 32px -16px rgba(30, 64, 175, .28);
  --sb-r: 18px;
  --sb-r2: 11px;
}

[data-theme='dark'] .sb {
  --sb-a: #93c5fd;
  --sb-a2: #bfdbfe;
  --sb-a3: #60a5fa;
  --sb-soft: #172a52;
  --sb-bg: #08101f;
  --sb-card: #0e1b31;
  --sb-card2: #0b1628;
  --sb-txt: #e8f1ff;
  --sb-txt2: #a9bfdf;
  --sb-txt3: #7189ad;
  --sb-line: #1d3154;
  --sb-line2: #162743;
  --sb-ok: #4ade80;
  --sb-warn: #fbbf24;
  --sb-bad: #fb7185;
  --sb-shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 14px 36px -18px rgba(0, 0, 0, .65);
}

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

/* ================= Hero ================= */
.sb-hero {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: 24px; align-items: center;
  padding: 32px 32px 26px; border-radius: 24px;
  background:
    radial-gradient(720px 260px at 12% -10%, rgba(147, 197, 253, .26), transparent 70%),
    linear-gradient(135deg, var(--sb-card) 0%, var(--sb-card2) 100%);
  border: 1px solid var(--sb-line);
  box-shadow: var(--sb-shadow);
  overflow: hidden;
}
.sb-kicker {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .4px;
  color: var(--sb-a3); background: var(--sb-soft);
  border: 1px solid color-mix(in srgb, var(--sb-a) 24%, transparent);
  padding: 6px 12px; border-radius: 999px;
}
.sb-hero h1 { margin: 14px 0 0; font-size: clamp(26px, 3.4vw, 40px); line-height: 1.22; letter-spacing: -.7px; font-weight: 800; }
.sb-hero h1 em {
  font-style: normal; display: inline-block; margin-top: 4px; color: var(--sb-a);
  background: linear-gradient(180deg, transparent 62%, rgba(147, 197, 253, .32) 62%);
  padding: 0 3px;
}
.sb-sub { margin: 12px 0 0; font-size: 14.5px; line-height: 1.85; color: var(--sb-txt2); max-width: 66ch; }
.sb-sub b { color: var(--sb-txt); font-weight: 700; }
.sb-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.sb-tag {
  display: inline-flex; align-items: center; gap: 5px; font-size: 12.5px;
  padding: 6px 11px; border-radius: 9px;
  background: var(--sb-card); border: 1px solid var(--sb-line); color: var(--sb-txt2);
}
.sb-tag i { color: var(--sb-a); font-style: normal; font-weight: 800; }

/* ---- 纯 CSS 雪板 + 雪道斜线 ---- */
.sb-hero-art { position: relative; height: 258px; }
.sb-slope { position: absolute; inset: 0; overflow: hidden; border-radius: 16px; }
.sb-slope s {
  position: absolute; left: -30%; right: -30%; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(29, 78, 216, .28), rgba(147, 197, 253, .4), transparent);
  transform: rotate(-17deg);
}
.sb-slope s:nth-child(1) { top: 26%; }
.sb-slope s:nth-child(2) { top: 48%; opacity: .7; }
.sb-slope s:nth-child(3) { top: 70%; opacity: .45; }
.sb-board {
  position: absolute; left: 50%; top: 24px; transform: translateX(-48%) rotate(-19deg);
  width: 84px; height: 208px;
  border-radius: 42px;
  background: linear-gradient(120deg, #dbeafe 0%, #93c5fd 30%, #1d4ed8 72%, #1e40af 100%);
  box-shadow: inset -8px 0 20px rgba(10, 30, 90, .35), 0 18px 34px -18px rgba(29, 78, 216, .9);
  overflow: hidden;
  z-index: 3;
}
.sb-board::before {
  content: ''; position: absolute; left: 0; right: 0; top: 30px; height: 12px;
  background: rgba(255, 255, 255, .28);
}
.sb-board::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 30px; height: 12px;
  background: rgba(255, 255, 255, .22);
}
.sb-board-stripes s {
  position: absolute; left: 12px; right: 12px; height: 1px;
  background: rgba(255, 255, 255, .45);
}
.sb-board-stripes s:nth-child(1) { top: 72px; }
.sb-board-stripes s:nth-child(2) { top: 100px; }
.sb-board-stripes s:nth-child(3) { top: 128px; }
.sb-board-stripes s:nth-child(4) { top: 156px; }
.sb-binding {
  position: absolute; left: 16px; right: 16px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(180deg, #1e293b, #0f172a);
  border: 2px solid rgba(255, 255, 255, .35);
  z-index: 4;
}
.sb-binding.b1 { top: 58px; }
.sb-binding.b2 { bottom: 58px; }
.sb-binding::after {
  content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 16px; height: 16px; border-radius: 50%;
  background: rgba(147, 197, 253, .7);
}
.sb-snow {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, #fff 0 40%, rgba(255, 255, 255, 0) 70%);
  opacity: .9;
}
.sb-snow.s1 { width: 7px; height: 7px; left: 12%; top: 46px; animation: sbSnow 6s linear infinite; }
.sb-snow.s2 { width: 5px; height: 5px; right: 18%; top: 90px; animation: sbSnow 7s linear 1s infinite; }
.sb-snow.s3 { width: 9px; height: 9px; left: 22%; bottom: 64px; animation: sbSnow 8s linear 2s infinite; }
.sb-snow.s4 { width: 4px; height: 4px; right: 8%; bottom: 40px; animation: sbSnow 6.5s linear 3s infinite; }
@keyframes sbSnow {
  0% { transform: translateY(-10px); opacity: .2; }
  50% { opacity: .95; }
  100% { transform: translateY(24px); opacity: .15; }
}
.sb-chip {
  position: absolute; z-index: 5; font-size: 11.5px; padding: 6px 11px; border-radius: 9px;
  background: var(--sb-card); border: 1px solid var(--sb-line); color: var(--sb-txt2);
  box-shadow: var(--sb-shadow); white-space: nowrap;
}
.sb-chip.sb-c1 { left: 2%; top: 32px; animation: sbFloat 4.3s ease-in-out infinite; }
.sb-chip.sb-c2 { right: 0; top: 150px; animation: sbFloat 4.3s ease-in-out 1s infinite; }
@keyframes sbFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }

/* ================= 口径切换 ================= */
.sb-modebar {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-top: 18px; padding: 6px;
  background: var(--sb-card); border: 1px solid var(--sb-line);
  border-radius: 16px; box-shadow: var(--sb-shadow);
}
.sb-mode {
  position: relative; display: flex; align-items: center; gap: 12px;
  border: 1.5px solid transparent; border-radius: 12px;
  background: var(--sb-card2); padding: 13px 16px; cursor: pointer; text-align: left;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.sb-mode.on {
  border-color: var(--sb-a); background: var(--sb-card);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sb-a) 14%, transparent);
}
.sb-mode-ico { font-size: 24px; flex: none; }
.sb-mode-txt { min-width: 0; }
.sb-mode-txt b { display: block; font-size: 14.5px; color: var(--sb-txt); }
.sb-mode-txt small { display: block; margin-top: 2px; font-size: 11.5px; color: var(--sb-txt3); }
.sb-mode-dot {
  margin-left: auto; flex: none; width: 15px; height: 15px; border-radius: 50%;
  border: 2px solid var(--sb-line); background: transparent;
}
.sb-mode.on .sb-mode-dot { border-color: var(--sb-a); background: var(--sb-a); }

/* ================= 双列主体 ================= */
.sb-body { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr); gap: 16px; align-items: start; }
.sb-form-col { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.sb-result-col { min-width: 0; }

.sb-card {
  background: var(--sb-card); border: 1px solid var(--sb-line);
  border-radius: var(--sb-r); box-shadow: var(--sb-shadow);
  padding: 20px 22px 22px;
}
.sb-wide { margin-top: 16px; }
.sb-card-h { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 16px; }
.sb-card-h h2 { margin: 0; font-size: 16.5px; font-weight: 800; letter-spacing: -.2px; display: flex; align-items: center; gap: 8px; }
.sb-no {
  font-size: 10.5px; font-weight: 800; letter-spacing: .5px; color: #fff;
  background: var(--sb-a3); padding: 3px 7px; border-radius: 6px;
}
[data-theme='dark'] .sb .sb-no { color: #07132a; }
.sb-card-h small { font-size: 11.5px; color: var(--sb-txt3); }

.sb-field { margin-bottom: 14px; min-width: 0; }
.sb-label { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.sb-label label { font-size: 13px; font-weight: 600; color: var(--sb-txt); }
.sb-label label b { color: var(--sb-bad); }
.sb-hint { font-size: 11px; color: var(--sb-txt3); }
.sb-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }

.sb-range-row { display: grid; grid-template-columns: 1fr 100px; gap: 12px; align-items: center; }
.sb-range-row input[type='range'] {
  -webkit-appearance: none; appearance: none; height: 6px; border-radius: 999px;
  background: linear-gradient(90deg, var(--sb-a2), var(--sb-a)); outline: none;
}
.sb-range-row input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none; width: 19px; height: 19px; border-radius: 50%;
  background: var(--sb-a); border: 3px solid var(--sb-card); box-shadow: 0 0 0 1px var(--sb-a); cursor: pointer;
}
.sb-range-row input[type='range']::-moz-range-thumb {
  width: 15px; height: 15px; border: none; border-radius: 50%; background: var(--sb-a); cursor: pointer;
}
.sb-numbox {
  display: flex; align-items: center; border: 1px solid var(--sb-line);
  border-radius: var(--sb-r2); background: var(--sb-card2); overflow: hidden;
}
.sb-numbox input {
  flex: 1; min-width: 0; border: 0; background: transparent; color: var(--sb-txt);
  font-size: 14px; font-weight: 700; padding: 9px 9px; outline: none;
}
.sb-numbox span {
  padding: 0 8px; font-size: 11.5px; color: var(--sb-txt3);
  background: var(--sb-line2); align-self: stretch; display: flex; align-items: center;
}
.sb-err { display: none; margin-top: 6px; font-size: 12px; color: var(--sb-bad); }
.sb-err.on { display: block; }
.sb-field.bad .sb-numbox, .sb-field.bad .sb-control {
  border-color: var(--sb-bad); box-shadow: 0 0 0 3px color-mix(in srgb, var(--sb-bad) 14%, transparent);
}

.sb-meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; padding-top: 13px; border-top: 1px dashed var(--sb-line); }
.sb-meta {
  font-size: 12px; color: var(--sb-txt3); background: var(--sb-card2);
  border: 1px solid var(--sb-line); padding: 5px 10px; border-radius: 8px;
}
.sb-meta b { color: var(--sb-a); font-size: 13px; margin: 0 2px; }

.sb-seg { display: flex; gap: 5px; flex-wrap: wrap; background: var(--sb-line2); padding: 4px; border-radius: var(--sb-r2); }
.sb-segbtn {
  flex: 1 1 auto; min-width: 70px; border: 0; background: transparent; color: var(--sb-txt2);
  font-size: 12px; font-weight: 600; padding: 9px 8px; border-radius: 8px; cursor: pointer;
  transition: background .18s, color .18s;
}
.sb-segbtn.on { background: var(--sb-card); color: var(--sb-a3); box-shadow: 0 1px 4px rgba(0, 0, 0, .12); }
[data-theme='dark'] .sb .sb-segbtn.on { color: var(--sb-a); }
.sb-segbtn:hover { color: var(--sb-a); }

.sb-control { border: 1px solid var(--sb-line); border-radius: var(--sb-r2); background: var(--sb-card2); }
.sb-control select {
  width: 100%; border: 0; background: transparent; color: var(--sb-txt);
  font-size: 13px; padding: 11px 12px; outline: none; cursor: pointer; appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--sb-txt3) 50%), linear-gradient(135deg, var(--sb-txt3) 50%, transparent 50%);
  background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}

.sb-presets {
  display: flex; flex-wrap: wrap; align-items: center; gap: 7px;
  margin-top: 6px; padding-top: 13px; border-top: 1px dashed var(--sb-line);
}
.sb-presets-label { font-size: 11.5px; color: var(--sb-txt3); margin-right: 2px; }
.sb-preset {
  border: 1px solid var(--sb-line); background: var(--sb-card2); color: var(--sb-txt2);
  font-size: 12px; font-weight: 600; padding: 6px 11px; border-radius: 8px; cursor: pointer;
}
.sb-preset:hover { border-color: var(--sb-a2); color: var(--sb-a); background: var(--sb-soft); }

.sb-tip {
  margin: 12px 0 0; font-size: 12px; line-height: 1.75; color: var(--sb-txt3);
  background: var(--sb-line2); border-left: 3px solid var(--sb-a2);
  padding: 9px 12px; border-radius: 0 9px 9px 0;
}
.sb-tip code { font-size: 11.5px; background: var(--sb-card); padding: 1px 4px; border-radius: 4px; color: var(--sb-a); }

.sb-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.sb-actions.tight { margin-top: 8px; }
.sb-btn {
  border: 1px solid var(--sb-line); background: var(--sb-card); color: var(--sb-txt);
  font-size: 13px; font-weight: 600; padding: 10px 15px; border-radius: 10px; cursor: pointer;
  transition: transform .12s, box-shadow .18s, background .18s;
}
.sb-btn:hover { transform: translateY(-1px); box-shadow: 0 7px 18px -12px rgba(0, 0, 0, .55); }
.sb-btn.primary { background: var(--sb-a); border-color: var(--sb-a); color: #fff; }
[data-theme='dark'] .sb .sb-btn.primary { color: #07132a; }
.sb-btn.ghost { background: transparent; color: var(--sb-txt2); }
.sb-msg { margin-top: 8px; font-size: 12px; color: var(--sb-txt3); }

/* ================= 结果卡 ================= */
.sb-result {
  background: var(--sb-card); border: 1px solid var(--sb-line);
  border-radius: var(--sb-r); box-shadow: var(--sb-shadow); overflow: hidden;
}
.sb-result-h {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 14px 18px; border-bottom: 1px solid var(--sb-line2);
}
.sb-result-h h2 { margin: 0; font-size: 15px; font-weight: 800; }
.sb-unit { display: flex; gap: 3px; background: var(--sb-line2); padding: 3px; border-radius: 8px; }
.sb-unitbtn {
  border: 0; background: transparent; color: var(--sb-txt3); font-size: 11.5px; font-weight: 700;
  padding: 4px 9px; border-radius: 6px; cursor: pointer;
}
.sb-unitbtn.on { background: var(--sb-card); color: var(--sb-a3); box-shadow: 0 1px 3px rgba(0, 0, 0, .12); }
[data-theme='dark'] .sb .sb-unitbtn.on { color: var(--sb-a); }

.sb-verdict {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 17px 18px 13px;
  background: linear-gradient(160deg, var(--sb-soft), transparent 78%);
}
.sb-verdict-main > span { font-size: 11.5px; font-weight: 700; color: var(--sb-a3); letter-spacing: .4px; }
[data-theme='dark'] .sb .sb-verdict-main > span { color: var(--sb-a); }
.sb-verdict-num { display: flex; align-items: baseline; gap: 4px; margin-top: 2px; }
.sb-verdict-num strong { font-size: clamp(40px, 5vw, 52px); line-height: 1; font-weight: 800; color: var(--sb-a); letter-spacing: -1.8px; }
.sb-verdict-num small { font-size: 13px; color: var(--sb-txt2); }
.sb-verdict-main p { margin: 6px 0 0; font-size: 12.5px; color: var(--sb-txt2); }
.sb-verdict-side { display: flex; flex-direction: column; gap: 8px; flex: none; }
.sb-verdict-side div {
  display: flex; align-items: baseline; justify-content: space-between; gap: 10px;
  padding: 6px 10px; border-radius: 9px; background: var(--sb-card);
  border: 1px solid var(--sb-line); min-width: 116px;
}
.sb-verdict-side span { font-size: 10.5px; color: var(--sb-txt3); }
.sb-verdict-side b { font-size: 13px; font-weight: 800; color: var(--sb-txt); }

.sb-badge-row { display: flex; flex-wrap: wrap; gap: 7px; padding: 0 18px 12px; }
.sb-badge {
  font-size: 11.5px; font-weight: 700; padding: 4px 10px; border-radius: 999px;
  background: var(--sb-line2); color: var(--sb-txt3);
}
.sb-badge.ok { background: color-mix(in srgb, var(--sb-ok) 15%, transparent); color: var(--sb-ok); }
.sb-badge.warn { background: color-mix(in srgb, var(--sb-warn) 16%, transparent); color: var(--sb-warn); }
.sb-badge.soft { background: var(--sb-line2); color: var(--sb-txt2); }

.sb-kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--sb-line2); }
.sb-kpi { background: var(--sb-card); padding: 12px 16px; }
.sb-kpi span { display: block; font-size: 11px; color: var(--sb-txt3); }
.sb-kpi b { display: inline-block; font-size: 17px; font-weight: 800; color: var(--sb-txt); margin-top: 2px; letter-spacing: -.4px; }
.sb-kpi small { font-size: 10.5px; color: var(--sb-txt3); margin-left: 3px; }

/* ---- 板长推荐条 ---- */
.sb-bar-box { padding: 14px 18px 12px; border-top: 1px solid var(--sb-line2); }
.sb-bar-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.sb-bar-head h3 { margin: 0; font-size: 13px; font-weight: 800; }
.sb-bar-head span { font-size: 10.5px; color: var(--sb-txt3); }
.sb-bar { position: relative; height: 66px; margin: 20px 3px 0; }
.sb-bar-track {
  position: absolute; left: 0; right: 0; top: 22px; height: 14px;
  border-radius: 999px; background: var(--sb-line2); border: 1px solid var(--sb-line);
}
.sb-bar-band {
  position: absolute; top: 19px; height: 20px; border-radius: 999px;
  background: linear-gradient(90deg, rgba(147, 197, 253, .55), rgba(29, 78, 216, .62));
  border: 1px dashed color-mix(in srgb, var(--sb-a) 42%, transparent);
  transition: left .35s ease, width .35s ease;
}
.sb-bar-pin { position: absolute; transform: translateX(-50%); }
.sb-bar-pin.height { top: -2px; }
.sb-bar-pin.height u {
  display: block; font-size: 9px; text-decoration: none; color: var(--sb-txt3); white-space: nowrap;
}
.sb-bar-pin.height u::after {
  content: ''; display: block; width: 1px; height: 18px; margin: 1px auto 0; background: var(--sb-txt3);
}
.sb-bar-pin.rec { bottom: -4px; }
.sb-bar-pin.rec em {
  display: block; font-style: normal; font-size: 11px; font-weight: 800; color: #fff;
  background: var(--sb-a); padding: 3px 8px; border-radius: 7px; white-space: nowrap;
  box-shadow: 0 5px 12px -6px rgba(29, 78, 216, .8);
}
[data-theme='dark'] .sb .sb-bar-pin.rec em { color: #07132a; }
.sb-bar-pin.rec::before {
  content: ''; display: block; width: 2px; height: 22px; margin: 0 auto 1px; background: var(--sb-a);
}
.sb-bar-scale { display: flex; justify-content: space-between; margin-top: 2px; font-size: 9.5px; color: var(--sb-txt3); }
.sb-bar-foot { display: flex; justify-content: space-between; font-size: 10.5px; color: var(--sb-txt3); margin-top: 3px; }

/* ---- 三维矩阵 ---- */
.sb-matrix-box { padding: 4px 18px 14px; }
.sb-matrix-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.sb-matrix-head h3 { margin: 0; font-size: 13px; font-weight: 800; }
.sb-matrix-head span { font-size: 10.5px; color: var(--sb-txt3); }
.sb-matrix {
  margin-top: 9px; display: grid; grid-template-columns: 58px repeat(3, minmax(0, 1fr));
  gap: 4px;
}
.sb-mx-corner, .sb-mx-colh, .sb-mx-rowh, .sb-mx-cell {
  border-radius: 7px; font-size: 10.5px; text-align: center;
  display: flex; align-items: center; justify-content: center; min-height: 32px;
}
.sb-mx-corner { background: transparent; color: var(--sb-txt3); font-size: 9.5px; }
.sb-mx-colh { background: var(--sb-soft); color: var(--sb-a3); font-weight: 800; }
[data-theme='dark'] .sb .sb-mx-colh { color: var(--sb-a); }
.sb-mx-rowh { background: var(--sb-card2); color: var(--sb-txt3); border: 1px solid var(--sb-line); flex-direction: column; line-height: 1.25; }
.sb-mx-cell {
  background: var(--sb-card2); border: 1px solid var(--sb-line);
  color: var(--sb-txt2); font-size: 12px; font-weight: 700;
}
.sb-mx-cell small { display: block; font-size: 9px; font-weight: 500; color: var(--sb-txt3); margin-top: -1px; }
.sb-mx-cell.on { border-color: var(--sb-a); background: var(--sb-soft); color: var(--sb-a3); }
[data-theme='dark'] .sb .sb-mx-cell.on { color: var(--sb-a); }
.sb-mx-cell.on small { color: var(--sb-a); }
.sb-matrix-legend { display: flex; gap: 12px; margin-top: 7px; font-size: 9.5px; color: var(--sb-txt3); align-items: center; }
.sb-matrix-legend .lg { width: 10px; height: 10px; border-radius: 3px; display: inline-block; margin-right: 3px; }
.sb-matrix-legend .lg.ok { background: color-mix(in srgb, var(--sb-ok) 40%, transparent); }
.sb-matrix-legend .lg.lo { background: var(--sb-line); }
.sb-matrix-legend .lg.hi { background: color-mix(in srgb, var(--sb-bad) 30%, transparent); }

.sb-advice { padding: 2px 18px 14px; }
.sb-advice h3 { margin: 0 0 7px; font-size: 12.5px; font-weight: 800; }
.sb-advice ul { margin: 0; padding-left: 17px; }
.sb-advice li { font-size: 12px; line-height: 1.78; color: var(--sb-txt2); margin-bottom: 4px; }
.sb-advice li b { color: var(--sb-txt); }
.sb-risk {
  margin: 0 14px 14px; padding: 10px 12px; border-radius: 10px;
  background: color-mix(in srgb, var(--sb-warn) 11%, transparent);
  border: 1px solid color-mix(in srgb, var(--sb-warn) 34%, transparent);
  font-size: 12px; line-height: 1.7; color: var(--sb-txt2);
}
.sb-risk strong { color: var(--sb-warn); margin-right: 5px; }

/* ================= 三档方案 ================= */
.sb-plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.sb-plan {
  position: relative; border: 1.5px solid var(--sb-line); border-radius: 15px;
  background: var(--sb-card2); padding: 18px 17px 15px; display: flex; flex-direction: column;
  transition: border-color .2s, box-shadow .2s;
}
.sb-plan.rec {
  border-color: var(--sb-a); background: var(--sb-card);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sb-a) 15%, transparent);
}
.sb-plan-tag {
  position: absolute; right: 13px; top: -10px;
  font-size: 10.5px; font-weight: 800; color: #fff; background: var(--sb-a);
  padding: 3px 9px; border-radius: 999px;
}
[data-theme='dark'] .sb .sb-plan-tag { color: #07132a; }
.sb-plan h3 { margin: 0; font-size: 19px; font-weight: 800; letter-spacing: -.4px; }
.sb-plan h3 span { display: block; margin-top: 4px; font-size: 11.5px; font-weight: 500; color: var(--sb-txt3); }
.sb-plan dl { margin: 12px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 10px; font-size: 12.5px; }
.sb-plan dt { color: var(--sb-txt3); }
.sb-plan dd { margin: 0; text-align: right; font-weight: 600; color: var(--sb-txt); }
.sb-plan .sb-note { margin-top: 10px; font-size: 12px; line-height: 1.7; color: var(--sb-txt3); }
.sb-plan .sb-note em { font-style: normal; color: var(--sb-ok); }
.sb-plan .sb-note u { text-decoration: none; color: var(--sb-warn); }
.sb-plan .sb-pick { margin-top: auto; padding-top: 12px; }
.sb-plan .sb-pick button {
  width: 100%; border: 0; border-radius: 9px; padding: 9px;
  font-size: 12.5px; font-weight: 700; cursor: pointer;
  background: var(--sb-line2); color: var(--sb-txt2);
}
.sb-plan.rec .sb-pick button { background: var(--sb-a); color: #fff; }
[data-theme='dark'] .sb .sb-plan.rec .sb-pick button { color: #07132a; }

/* ================= 表格 / 步骤 ================= */
.sb-table-wrap { overflow-x: auto; border: 1px solid var(--sb-line); border-radius: 12px; -webkit-overflow-scrolling: touch; }
.sb-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 620px; }
.sb-table th, .sb-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--sb-line2); vertical-align: top; }
.sb-table th { background: var(--sb-line2); font-size: 12px; color: var(--sb-txt2); font-weight: 700; white-space: nowrap; }
.sb-table td:last-child { color: var(--sb-txt3); font-size: 12px; }
.sb-table td b { color: var(--sb-txt); }
.sb-table tr:last-child td { border-bottom: 0; }
.sb-table tbody tr:hover td { background: color-mix(in srgb, var(--sb-a) 5%, transparent); }

.sb-steps { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 11px; }
.sb-steps li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start; font-size: 13px; line-height: 1.8; color: var(--sb-txt2); }
.sb-steps li b {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 8px;
  background: var(--sb-soft); color: var(--sb-a3); font-size: 12px; font-weight: 800;
}
[data-theme='dark'] .sb .sb-steps li b { color: var(--sb-a); }
.sb-steps li p { margin: 0; }
.sb-steps li em {
  display: block; font-style: normal;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; color: var(--sb-a); margin-top: 3px;
  background: var(--sb-card2); border-left: 2px solid var(--sb-a2); padding: 3px 8px;
}

.sb-textarea {
  width: 100%; min-height: 116px; resize: vertical; box-sizing: border-box;
  border: 1px solid var(--sb-line); border-radius: 12px; background: var(--sb-card2);
  color: var(--sb-txt); font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px; line-height: 1.7; padding: 12px; margin-top: 8px;
}
.sb-textarea:focus { outline: 2px solid color-mix(in srgb, var(--sb-a) 40%, transparent); border-color: var(--sb-a); }

.sb-history { display: flex; flex-direction: column; gap: 8px; }
.sb-hist-item {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border: 1px solid var(--sb-line); border-radius: 10px; padding: 10px 13px;
  background: var(--sb-card2); font-size: 12.5px; color: var(--sb-txt2);
}
.sb-hist-item b { color: var(--sb-txt); }
.sb-hist-item button {
  border: 0; background: var(--sb-soft); color: var(--sb-a3);
  font-size: 12px; font-weight: 700; padding: 5px 11px; border-radius: 7px; cursor: pointer;
}
[data-theme='dark'] .sb .sb-hist-item button { color: var(--sb-a); }
.sb-empty { font-size: 12.5px; color: var(--sb-txt3); margin: 0; }

/* ================= 响应式 ================= */
@media (max-width: 1024px) {
  .sb-hero { grid-template-columns: 1fr; }
  .sb-hero-art { height: 220px; }
  .sb-body { grid-template-columns: 1fr; }
  .sb-plans { grid-template-columns: 1fr; }
  .sb-modebar { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .sb-inner { width: calc(100% - 28px); }
  .sb { padding: 18px 0 34px; }
  .sb-hero { padding: 22px 18px; border-radius: 18px; }
  .sb-hero-art { height: 200px; transform: scale(.9); transform-origin: center top; }
  .sb-board { height: 174px; width: 72px; }
  .sb-chip.sb-c1 { left: 0; top: 18px; }
  .sb-chip.sb-c2 { right: 0; top: 128px; }
  .sb-card { padding: 16px 15px 18px; }
  .sb-grid2 { grid-template-columns: 1fr; }
  .sb-range-row { grid-template-columns: 1fr 92px; }
  .sb-verdict { flex-direction: column; align-items: flex-start; }
  .sb-verdict-side { flex-direction: row; width: 100%; }
  .sb-verdict-side div { flex: 1; }
  .sb-kpis { grid-template-columns: 1fr 1fr; }
  .sb-actions .sb-btn { flex: 1 1 44%; }
  .sb-table { min-width: 560px; }
  .sb-mode { padding: 11px 12px; }
  .sb-mx-corner, .sb-mx-colh, .sb-mx-rowh, .sb-mx-cell { min-height: 30px; font-size: 10px; }
  .sb-bar-scale { font-size: 8.5px; }
}

/* ================= 打印 ================= */
@media print {
  .sb-actions, .sb-textarea, .sb-history, .sb-msg, .sb-hero-art, .sb-unit,
  .sb-presets, .sb-modebar, .tsk-crumb-bar { display: none !important; }
  .sb { padding: 0; background: #fff; }
  .sb-hero { box-shadow: none; border-color: #ddd; background: #fff; }
  .sb-card, .sb-result { box-shadow: none; border-color: #ccc; break-inside: avoid; }
  .sb-body { display: block; }
  .sb-form-col { display: none !important; }
  .sb-table-wrap { overflow: visible; }
  .sb-table { min-width: 0; }
}

/* ================= 全站对齐：面包屑 / 内容 / 底部 ================= */
.tsk-crumb-bar-in {
  width: min(1140px, calc(100% - 44px)) !important;
  max-width: none !important;
  margin: 0 auto !important;
  padding: 11px 0 !important;
}
.tsk-crumb { font-size: 13px; }
@media (max-width: 700px) {
  .tsk-crumb-bar-in { width: calc(100% - 28px) !important; padding: 9px 0 !important; }
}