/* SNAP-IV 多动症筛查评分器 · 独立主题（亮蓝 / 单列窄栏） */
:root {
  --sn-a: #0284c7;
  --sn-a2: #06b6d4;
  --sn-a3: #0369a1;
  --sn-soft: #e0f2fe;
  --sn-bg: #f0f9ff;
  --sn-card: #ffffff;
  --sn-card2: #f7fcff;
  --sn-txt: #0f2a3d;
  --sn-txt2: #3f5f73;
  --sn-txt3: #7893a6;
  --sn-line: #d3e6f2;
  --sn-line2: #e8f4fb;
  --sn-ok: #0f9d74;
  --sn-ok-soft: #e6f7f1;
  --sn-warn: #b96a05;
  --sn-warn-soft: #fef3e2;
  --sn-bad: #d92d20;
  --sn-bad-soft: #fdeceb;
  --sn-shadow: 0 1px 2px rgba(2, 132, 199, .06), 0 12px 30px -18px rgba(2, 132, 199, .35);
  --sn-r: 16px;
  --sn-r2: 11px;
}
[data-theme='dark'] .sn {
  --sn-a: #38bdf8;
  --sn-a2: #22d3ee;
  --sn-a3: #7dd3fc;
  --sn-soft: #0b2c3f;
  --sn-bg: #071820;
  --sn-card: #0d2532;
  --sn-card2: #112d3c;
  --sn-txt: #e6f6ff;
  --sn-txt2: #b2d3e4;
  --sn-txt3: #7ea2b4;
  --sn-line: #1e4155;
  --sn-line2: #173646;
  --sn-ok: #34d399;
  --sn-ok-soft: #0f2f27;
  --sn-warn: #fbbf24;
  --sn-warn-soft: #3a2a10;
  --sn-bad: #f87171;
  --sn-bad-soft: #3d1a19;
  --sn-shadow: 0 1px 2px rgba(0, 0, 0, .45), 0 12px 30px -18px rgba(0, 0, 0, .7);
}

.sn { background: var(--sn-bg); color: var(--sn-txt); padding: 28px 0 46px; }
.sn-inner { width: min(1140px, calc(100% - 44px)); max-width: none; margin: 0 auto; }
.sn-frame { max-width: 900px; margin: 0 auto; }

/* ---------- Hero ---------- */
.sn-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(0, .78fr);
  gap: 24px;
  align-items: center;
  padding: 30px 30px 26px;
  border: 1px solid var(--sn-line);
  border-radius: 22px;
  background:
    radial-gradient(620px 260px at 92% 0%, rgba(6, 182, 212, .18), transparent 68%),
    radial-gradient(520px 240px at 4% 100%, rgba(2, 132, 199, .10), transparent 70%),
    linear-gradient(135deg, var(--sn-card), var(--sn-card2));
  box-shadow: var(--sn-shadow);
  position: relative;
  overflow: hidden;
}
.sn-hero::after {
  content: '';
  position: absolute; inset: auto 0 0 0; height: 3px;
  background: linear-gradient(90deg, var(--sn-a), var(--sn-a2), transparent);
  opacity: .7;
}
.sn-kicker {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .3px;
  color: var(--sn-a3); background: var(--sn-soft);
  border: 1px solid color-mix(in srgb, var(--sn-a) 24%, transparent);
  padding: 5px 11px; border-radius: 999px;
}
.sn-hero h1 {
  margin: 14px 0 0; font-size: clamp(26px, 3.2vw, 39px);
  line-height: 1.24; letter-spacing: -.7px; font-weight: 800;
}
.sn-hero h1 em {
  font-style: normal; display: inline-block; margin-top: 3px;
  color: var(--sn-a);
  background: linear-gradient(180deg, transparent 64%, rgba(6, 182, 212, .26) 64%);
  padding: 0 2px;
}
.sn-sub {
  margin: 12px 0 0; font-size: 14.5px; line-height: 1.85;
  color: var(--sn-txt2); max-width: 66ch;
}
.sn-sub b { color: var(--sn-txt); font-weight: 700; }
.sn-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.sn-tag {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12.5px; color: var(--sn-txt2);
  background: var(--sn-card2); border: 1px solid var(--sn-line);
  padding: 5px 10px; border-radius: 8px;
}
.sn-tag i { color: var(--sn-a); font-style: normal; font-weight: 800; }

/* 纯 CSS 插画：大脑 + 评分卡 */
.sn-hero-art { position: relative; height: 232px; }
.sn-brain {
  position: absolute; left: 46%; top: 40px; transform: translateX(-50%);
  width: 132px; height: 132px; border-radius: 50%;
  border: 2px dashed color-mix(in srgb, var(--sn-a) 40%, transparent);
  display: grid; place-items: center;
  animation: snSpin 26s linear infinite;
}
.sn-brain-core {
  width: 78px; height: 78px; border-radius: 46% 54% 52% 48% / 50% 46% 54% 50%;
  background:
    radial-gradient(circle at 32% 30%, rgba(255, 255, 255, .95), transparent 42%),
    radial-gradient(circle at 70% 68%, rgba(6, 182, 212, .8), transparent 55%),
    linear-gradient(140deg, var(--sn-a2), var(--sn-a));
  box-shadow: 0 10px 26px -10px color-mix(in srgb, var(--sn-a) 65%, transparent);
  animation: snPulse 2.8s ease-in-out infinite;
}
.sn-orbit {
  position: absolute; width: 10px; height: 10px; border-radius: 50%;
  background: var(--sn-a2); box-shadow: 0 0 0 4px color-mix(in srgb, var(--sn-a2) 18%, transparent);
}
.sn-orbit.o1 { left: -5px; top: 30px; }
.sn-orbit.o2 { right: -5px; bottom: 34px; background: var(--sn-a); }
.sn-spark {
  position: absolute; left: 50%; top: 50%; width: 4px; height: 4px; border-radius: 50%;
  background: var(--sn-a); opacity: 0; animation: snSpark 3.6s ease-out infinite;
}
.sn-spark.s1 { animation-delay: .2s; }
.sn-spark.s2 { animation-delay: 1.3s; }
.sn-spark.s3 { animation-delay: 2.4s; }
.sn-mini {
  position: absolute; left: 0; bottom: 24px; width: 150px;
  background: var(--sn-card); border: 1px solid var(--sn-line);
  border-radius: 12px; padding: 10px 12px; box-shadow: var(--sn-shadow);
  display: flex; flex-direction: column; gap: 8px;
}
.sn-mini-row { display: flex; align-items: center; gap: 8px; font-size: 10.5px; color: var(--sn-txt2); }
.sn-mini-row span { width: 44px; flex: none; }
.sn-mini-row i { height: 6px; border-radius: 999px; background: var(--sn-line2); position: relative; overflow: hidden; flex: 1; }
.sn-mini-row i::after { content: ''; position: absolute; inset: 0 auto 0 0; border-radius: 999px; background: linear-gradient(90deg, var(--sn-a2), var(--sn-a)); }
.sn-mini-row i.f1::after { width: 62%; }
.sn-mini-row i.f2::after { width: 48%; }
.sn-mini-row i.f3::after { width: 74%; background: linear-gradient(90deg, #34d399, var(--sn-ok)); }
.sn-chip {
  position: absolute; font-size: 11.5px; white-space: nowrap;
  padding: 5px 10px; border-radius: 8px;
  background: var(--sn-card); border: 1px solid var(--sn-line);
  color: var(--sn-txt2); box-shadow: var(--sn-shadow);
}
.sn-chip b { color: var(--sn-a); }
.sn-chip.c1 { right: 0; top: 22px; animation: snFloat 4.2s ease-in-out infinite; }
.sn-chip.c2 { right: 4px; bottom: 44px; animation: snFloat 4.2s ease-in-out .7s infinite; }
@keyframes snSpin { to { transform: translateX(-50%) rotate(360deg); } }
@keyframes snPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }
@keyframes snSpark {
  0% { transform: translate(-50%, -50%) scale(.6); opacity: 0; }
  30% { opacity: .85; }
  100% { transform: translate(64px, -74px) scale(1.2); opacity: 0; }
}
@keyframes snFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* ---------- 免责条 ---------- */
.sn-alert {
  display: flex; align-items: center; gap: 10px;
  margin-top: 16px; padding: 12px 16px;
  background: var(--sn-bad-soft);
  border: 1px solid color-mix(in srgb, var(--sn-bad) 30%, transparent);
  border-left: 4px solid var(--sn-bad);
  border-radius: 10px;
  font-size: 13px; line-height: 1.7; color: var(--sn-txt);
}
.sn-alert-i { color: var(--sn-bad); font-size: 16px; flex: none; }
.sn-alert strong { font-weight: 700; }

/* ---------- 卡片 ---------- */
.sn-card {
  margin-top: 16px; padding: 20px 22px 22px;
  background: var(--sn-card); border: 1px solid var(--sn-line);
  border-radius: var(--sn-r); box-shadow: var(--sn-shadow);
}
.sn-card-h {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; margin-bottom: 16px; flex-wrap: wrap;
}
.sn-card-h h2 {
  margin: 0; font-size: 16.5px; font-weight: 800; letter-spacing: -.2px;
  display: flex; align-items: center; gap: 9px;
}
.sn-no {
  font-size: 11px; font-weight: 800; letter-spacing: .4px; color: #fff;
  background: var(--sn-a); padding: 3px 7px; border-radius: 6px;
}
[data-theme='dark'] .sn .sn-no { color: #06212f; }
.sn-card-h small { font-size: 12px; color: var(--sn-txt3); }
.sn-req { color: var(--sn-bad); font-size: 13px; font-weight: 800; margin-left: 2px; }
.sn-card-h small b { color: var(--sn-a); font-weight: 800; }

.sn-grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.sn-span2 { grid-column: 1 / -1; }
.sn-field { margin-bottom: 4px; }
.sn-label { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.sn-label label { font-size: 13.5px; font-weight: 600; }
.sn-label label b { color: var(--sn-bad); }
.sn-hint { font-size: 11.5px; color: var(--sn-txt3); }
.sn-err { display: none; margin-top: 6px; font-size: 12px; color: var(--sn-bad); line-height: 1.5; }
.sn-err.on { display: block; }
.sn-field.bad .sn-numbox,
.sn-field.bad .sn-control { border-color: var(--sn-bad); box-shadow: 0 0 0 3px color-mix(in srgb, var(--sn-bad) 14%, transparent); }

.sn-range-row { display: grid; grid-template-columns: 1fr 120px; gap: 14px; align-items: center; }
.sn-range-row input[type='range'] {
  -webkit-appearance: none; appearance: none; height: 6px; border-radius: 999px;
  background: linear-gradient(90deg, var(--sn-a2), var(--sn-a)); outline: none;
}
.sn-range-row input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%;
  background: var(--sn-card); border: 3px solid var(--sn-a);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--sn-a) 16%, transparent); cursor: pointer;
}
.sn-range-row input[type='range']::-moz-range-thumb {
  width: 15px; height: 15px; border-radius: 50%; background: var(--sn-a);
  border: 2px solid var(--sn-card); cursor: pointer;
}
.sn-numbox {
  display: flex; align-items: center; overflow: hidden;
  border: 1px solid var(--sn-line); border-radius: var(--sn-r2);
  background: var(--sn-card2);
}
.sn-numbox input {
  flex: 1; min-width: 0; border: 0; background: transparent; color: var(--sn-txt);
  font-size: 15px; font-weight: 700; padding: 9px 10px; outline: none;
}
.sn-numbox input::placeholder { font-weight: 400; font-size: 13px; color: var(--sn-txt3); }
.sn-numbox span {
  padding: 0 10px; align-self: stretch; display: flex; align-items: center;
  font-size: 12px; color: var(--sn-txt3); background: var(--sn-line2);
}
.sn-numbox.wide { width: 100%; }
.sn-control { border: 1px solid var(--sn-line); border-radius: var(--sn-r2); background: var(--sn-card2); }
.sn-control select {
  width: 100%; border: 0; background: transparent; color: var(--sn-txt);
  font-size: 13.5px; padding: 10px 32px 10px 11px; outline: none; cursor: pointer;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--sn-txt3) 50%),
    linear-gradient(135deg, var(--sn-txt3) 50%, transparent 50%);
  background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}

.sn-tip {
  margin: 14px 0 0; font-size: 12.5px; line-height: 1.8; color: var(--sn-txt3);
  background: var(--sn-line2); border-left: 3px solid var(--sn-a2);
  padding: 9px 12px; border-radius: 0 8px 8px 0;
}
.sn-tip b { color: var(--sn-txt2); }
.sn-tip code {
  font-size: 12px; background: var(--sn-card); color: var(--sn-a);
  padding: 1px 5px; border-radius: 4px;
}

/* ---------- 问卷 ---------- */
.sn-qlist { display: flex; flex-direction: column; gap: 3px; }
.sn-q {
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px; align-items: center;
  padding: 11px 12px; border-radius: 10px;
  border-bottom: 1px dashed var(--sn-line2);
  transition: background .18s;
}
.sn-q:last-child { border-bottom: 0; }
.sn-q:hover { background: var(--sn-card2); }
.sn-q-txt { display: flex; align-items: flex-start; gap: 10px; min-width: 0; }
.sn-q-txt i {
  flex: none; width: 24px; height: 24px; border-radius: 7px;
  display: grid; place-items: center; font-style: normal;
  font-size: 11.5px; font-weight: 800; color: var(--sn-a);
  background: var(--sn-soft); margin-top: 1px;
}
.sn-q-txt p { margin: 0; font-size: 13.5px; line-height: 1.7; color: var(--sn-txt); }
.sn-opts { display: grid; grid-template-columns: repeat(4, minmax(52px, 1fr)); gap: 5px; }
.sn-opt { cursor: pointer; }
.sn-opt input { position: absolute; opacity: 0; pointer-events: none; }
.sn-opt span {
  display: block; text-align: center; font-size: 12px; font-weight: 600;
  padding: 7px 8px; border-radius: 8px; color: var(--sn-txt3);
  background: var(--sn-line2); border: 1px solid transparent;
  transition: background .16s, color .16s, border-color .16s;
  white-space: nowrap;
}
.sn-opt:hover span { color: var(--sn-a); }
.sn-opt input:checked + span {
  background: var(--sn-a); color: #fff; border-color: var(--sn-a);
  box-shadow: 0 3px 10px -4px color-mix(in srgb, var(--sn-a) 70%, transparent);
}
[data-theme='dark'] .sn .sn-opt input:checked + span { color: #06212f; }
.sn-opt input:focus-visible + span { outline: 2px solid var(--sn-a2); outline-offset: 2px; }

/* ---------- 红旗 ---------- */
.sn-flags { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.sn-check {
  display: flex; align-items: flex-start; gap: 9px; cursor: pointer;
  border: 1px solid var(--sn-line); border-radius: 10px;
  padding: 11px 12px; font-size: 12.5px; line-height: 1.6;
  color: var(--sn-txt2); background: var(--sn-card2);
  transition: border-color .18s, background .18s, color .18s;
}
.sn-check input {
  appearance: none; width: 17px; height: 17px; flex: none; margin-top: 1px;
  border: 1.5px solid var(--sn-line); border-radius: 5px;
  position: relative; cursor: pointer; background: var(--sn-card);
}
.sn-check input:checked { background: var(--sn-bad); border-color: var(--sn-bad); }
.sn-check input:checked::after {
  content: '!'; position: absolute; inset: 0; display: grid; place-items: center;
  color: #fff; font-size: 11px; font-weight: 900;
}
.sn-check:has(input:checked) {
  border-color: var(--sn-bad); background: var(--sn-bad-soft); color: var(--sn-txt);
}
.sn-red {
  display: flex; align-items: flex-start; gap: 8px;
  margin-top: 12px; padding: 10px 12px; border-radius: 10px;
  background: var(--sn-bad-soft); border: 1px solid color-mix(in srgb, var(--sn-bad) 34%, transparent);
  font-size: 12.5px; line-height: 1.7; color: var(--sn-txt2);
}
.sn-red[hidden] { display: none; }
.sn-red strong { color: var(--sn-bad); flex: none; }

/* ---------- 按钮 / 横幅 ---------- */
.sn-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 16px; }
.sn-actions.tight { margin-top: 12px; }
.sn-btn {
  border: 1px solid var(--sn-line); background: var(--sn-card); color: var(--sn-txt);
  font-size: 13px; font-weight: 600; padding: 10px 16px; border-radius: 10px;
  cursor: pointer; transition: transform .12s, box-shadow .18s, background .18s;
}
.sn-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 18px -12px rgba(2, 90, 140, .7); }
.sn-btn.primary {
  background: linear-gradient(135deg, var(--sn-a), var(--sn-a3));
  border-color: transparent; color: #fff;
}
.sn-btn.ghost { background: transparent; color: var(--sn-txt2); }
.sn-msg { margin-top: 10px; font-size: 12.5px; line-height: 1.6; color: var(--sn-txt3); }

/* ---------- 结果 ---------- */
#snResultCard { scroll-margin-top: 78px; }
.sn-badge {
  font-size: 11.5px; font-weight: 800; padding: 4px 11px; border-radius: 999px;
  background: var(--sn-line2); color: var(--sn-txt3); white-space: nowrap;
}
.sn-badge.none { background: var(--sn-ok-soft); color: var(--sn-ok); }
.sn-badge.edge { background: var(--sn-warn-soft); color: var(--sn-warn); }
.sn-badge.visit { background: var(--sn-bad-soft); color: var(--sn-bad); }
.sn-badge.wait { background: var(--sn-line2); color: var(--sn-txt3); }

.sn-scoreboard {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px; background: var(--sn-line2);
  border: 1px solid var(--sn-line); border-radius: 12px; overflow: hidden;
}
.sn-score { background: var(--sn-card); padding: 13px 14px; }
.sn-score span { display: block; font-size: 11.5px; color: var(--sn-txt3); }
.sn-score b {
  display: inline-block; margin-top: 3px; font-size: 24px; font-weight: 800;
  color: var(--sn-a); letter-spacing: -.8px;
}
.sn-score small { font-size: 11px; color: var(--sn-txt3); margin-left: 3px; }

.sn-bars { margin-top: 18px; display: flex; flex-direction: column; gap: 16px; }
.sn-bar-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 18px; }
.sn-bar-head span { font-size: 12.5px; font-weight: 600; color: var(--sn-txt2); }
.sn-bar-head b { font-size: 14px; font-weight: 800; color: var(--sn-a); }
.sn-bar-track {
  position: relative; height: 14px; border-radius: 999px;
  background: var(--sn-line2); overflow: visible;
}
.sn-bar-fill {
  position: absolute; left: 0; top: 0; bottom: 0; width: 0;
  border-radius: 999px; background: linear-gradient(90deg, var(--sn-a2), var(--sn-a));
  transition: width .45s cubic-bezier(.22, .8, .3, 1);
}
.sn-bar-fill.f2 { background: linear-gradient(90deg, #fbbf24, #f97316); }
.sn-cut { position: absolute; top: -4px; bottom: -4px; width: 2px; background: var(--sn-bad); border-radius: 2px; }
.sn-cut::before {
  content: ''; position: absolute; top: -4px; left: -5px;
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--sn-bad); background: var(--sn-card);
}
.sn-cut i {
  position: absolute; top: -22px; left: 50%; transform: translateX(-50%);
  font-style: normal; font-size: 10.5px; font-weight: 700; color: var(--sn-bad);
  background: var(--sn-card); padding: 0 3px; white-space: nowrap;
}
.sn-bar-axis { display: flex; justify-content: space-between; font-size: 10.5px; color: var(--sn-txt3); margin-top: -6px; }

.sn-norm {
  margin-top: 20px; padding: 15px 16px 13px;
  background: var(--sn-card2); border: 1px solid var(--sn-line); border-radius: 12px;
}
.sn-norm-h { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.sn-norm-h h3 { margin: 0; font-size: 13px; font-weight: 800; }
.sn-norm-h span { font-size: 11.5px; color: var(--sn-txt3); }
.sn-norm-row { display: grid; grid-template-columns: 64px minmax(0, 1fr) 92px; gap: 10px; align-items: center; margin-bottom: 10px; }
.sn-norm-lb { font-size: 12px; color: var(--sn-txt2); }
.sn-norm-track { position: relative; height: 9px; border-radius: 999px; background: var(--sn-line2); }
.sn-norm-child {
  position: absolute; left: 0; top: 0; bottom: 0; width: 0;
  border-radius: 999px; background: linear-gradient(90deg, var(--sn-a2), var(--sn-a));
  transition: width .4s ease;
}
.sn-norm-child.f2 { background: linear-gradient(90deg, #fbbf24, #f97316); }
.sn-norm-mark {
  position: absolute; top: -4px; bottom: -4px; width: 2px; left: 30%;
  background: var(--sn-txt3);
}
.sn-norm-mark::after {
  content: '同龄'; position: absolute; top: -15px; left: 50%; transform: translateX(-50%);
  font-size: 9px; color: var(--sn-txt3); background: var(--sn-card2); padding: 0 2px; white-space: nowrap;
}
.sn-norm-row b { font-size: 11.5px; font-weight: 700; color: var(--sn-txt2); text-align: right; }
.sn-norm-note { margin: 8px 0 0; font-size: 11.5px; line-height: 1.7; color: var(--sn-txt3); }
.sn-norm-note b { color: var(--sn-txt2); }

.sn-decision {
  margin-top: 18px; padding: 16px 18px;
  border: 1px solid color-mix(in srgb, var(--sn-a) 30%, transparent);
  border-radius: 13px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--sn-soft) 70%, transparent), transparent);
}
.sn-decision-lb { font-size: 11px; font-weight: 800; letter-spacing: .4px; color: var(--sn-a); }
.sn-decision h3 { margin: 5px 0 10px; font-size: 19px; font-weight: 800; letter-spacing: -.3px; color: var(--sn-txt); }
.sn-decision ul { margin: 0; padding-left: 18px; }
.sn-decision li { font-size: 13px; line-height: 1.8; color: var(--sn-txt2); margin-bottom: 4px; }
.sn-decision-risk {
  display: flex; align-items: flex-start; gap: 8px;
  margin-top: 12px; padding: 10px 12px; border-radius: 9px;
  background: var(--sn-warn-soft);
  border: 1px solid color-mix(in srgb, var(--sn-warn) 28%, transparent);
  font-size: 12.5px; line-height: 1.7; color: var(--sn-txt2);
}
.sn-decision-risk strong { flex: none; color: var(--sn-warn); }

/* ---------- 三档 ---------- */
.sn-tiers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.sn-tier {
  position: relative; padding: 16px 16px 14px;
  border: 1.5px solid var(--sn-line); border-radius: 14px;
  background: var(--sn-card2);
  transition: border-color .2s, box-shadow .2s, transform .2s, background .2s;
}
.sn-tier.cur {
  border-color: var(--sn-a); background: var(--sn-card);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sn-a) 14%, transparent);
}
.sn-tier.view { border-color: var(--sn-a2); }
.sn-tier-tag {
  position: absolute; right: 12px; top: -9px;
  font-size: 10px; font-weight: 800; letter-spacing: .4px;
  color: var(--sn-a); background: var(--sn-soft);
  border: 1px solid color-mix(in srgb, var(--sn-a) 24%, transparent);
  padding: 2px 8px; border-radius: 999px;
}
.sn-tier.cur .sn-tier-tag { color: #fff; background: var(--sn-a); border-color: var(--sn-a); }
.sn-tier h3 { margin: 0; font-size: 18px; font-weight: 800; letter-spacing: -.3px; }
.sn-tier-range { margin: 5px 0 8px; font-size: 11.5px; font-weight: 600; color: var(--sn-a); }
.sn-tier-desc { margin: 0 0 12px; font-size: 12px; line-height: 1.72; color: var(--sn-txt2); }
.sn-tier-btn {
  width: 100%; border: 0; border-radius: 9px; padding: 8px;
  font-size: 12.5px; font-weight: 700; cursor: pointer;
  background: var(--sn-line2); color: var(--sn-txt2);
  transition: background .18s, color .18s;
}
.sn-tier.cur .sn-tier-btn { background: var(--sn-a); color: #fff; }
[data-theme='dark'] .sn .sn-tier.cur .sn-tier-btn { color: #06212f; }
.sn-tier-note {
  margin-top: 12px; padding: 11px 13px; border-radius: 10px;
  background: var(--sn-line2); font-size: 12.5px; line-height: 1.75; color: var(--sn-txt2);
}

/* ---------- 表格 / 步骤 ---------- */
.sn-table-wrap { overflow-x: auto; border: 1px solid var(--sn-line); border-radius: 12px; }
.sn-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 560px; }
.sn-table th, .sn-table td { padding: 10px 13px; text-align: left; border-bottom: 1px solid var(--sn-line2); }
.sn-table th { background: var(--sn-line2); font-size: 12px; font-weight: 700; color: var(--sn-txt2); }
.sn-table td { color: var(--sn-txt2); }
.sn-table td b { color: var(--sn-txt); }
.sn-table td:last-child { font-size: 12px; color: var(--sn-txt3); }
.sn-table tr:last-child td { border-bottom: 0; }

.sn-steps { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.sn-steps li {
  display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 12px; align-items: start;
  font-size: 13px; line-height: 1.8; color: var(--sn-txt2);
}
.sn-steps li b {
  width: 24px; height: 24px; border-radius: 7px; display: grid; place-items: center;
  font-size: 11.5px; color: var(--sn-a); background: var(--sn-soft);
}
.sn-steps li strong { color: var(--sn-txt); }
.sn-steps li em {
  display: block; margin-top: 3px; font-style: normal;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px; color: var(--sn-a);
}

.sn-textarea {
  width: 100%; min-height: 116px; resize: vertical;
  border: 1px solid var(--sn-line); border-radius: 12px;
  background: var(--sn-card2); color: var(--sn-txt); padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12.5px; line-height: 1.75; outline: none;
}
.sn-textarea:focus { border-color: var(--sn-a); box-shadow: 0 0 0 3px color-mix(in srgb, var(--sn-a) 13%, transparent); }

.sn-history { display: flex; flex-direction: column; gap: 8px; }
.sn-hist-item {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border: 1px solid var(--sn-line); border-radius: 10px;
  padding: 10px 12px; background: var(--sn-card2); font-size: 12.5px;
  color: var(--sn-txt2);
}
.sn-hist-item button {
  border: 0; border-radius: 7px; padding: 5px 10px; cursor: pointer;
  font-size: 12px; font-weight: 700; color: var(--sn-a); background: var(--sn-soft);
}
.sn-empty { margin: 0; font-size: 12.5px; color: var(--sn-txt3); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .sn-hero { grid-template-columns: 1fr; }
  .sn-hero-art { display: none; }
}
@media (max-width: 760px) {
  .sn-q { grid-template-columns: 1fr; gap: 9px; }
  .sn-opts { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sn-tiers { grid-template-columns: 1fr; }
  .sn-scoreboard { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sn-flags { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .sn-inner { width: calc(100% - 28px); }
  .sn-hero { padding: 22px 18px 20px; border-radius: 16px; }
  .sn-card { padding: 16px 16px 18px; }
  .sn-grid2 { grid-template-columns: 1fr; }
  .sn-range-row { grid-template-columns: 1fr; }
  .sn-norm-row { grid-template-columns: 56px minmax(0, 1fr) 78px; }
  .sn-actions .sn-btn { flex: 1 1 44%; }
  .sn-opts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- 打印 ---------- */
@media print {
  .sn { padding: 0; background: #fff; }
  .sn-actions, .sn-textarea, .sn-history, .sn-msg, .tsk-crumb-bar,
  .sn-tier-btn, .sn-hero-art { display: none !important; }
  .sn-hero, .sn-card { box-shadow: none; border-color: #ddd; break-inside: avoid; }
  .sn-card { margin-top: 10px; }
  .sn-alert { break-inside: avoid; }
}

/* ---------- 面包屑对齐 ---------- */
.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}}