/* 演算天机 — 立轴 × 绀纸金泥
   墙(玄) → 天头地头(青玉) → 画心(绀纸) → 泥金书写 → 朱砂只给印与变爻 */

:root {
  --xuan: #1A1C1E;
  --gan: #1F2630;
  --gan-deep: #171C24;
  --jade: #2E5E4E;
  --jade-deep: #22463a;
  --gold: #C5A059;
  --gold-soft: rgba(197, 160, 89, .72);
  --gold-dim: rgba(197, 160, 89, .45);
  --gold-faint: rgba(197, 160, 89, .16);
  --cinnabar: #9E2A2B;
  --cinnabar-hi: #b83a3a;
  --paper-ink: #F2E6CC;
  --silk: #d8c79f;

  --f-brush: "Ma Shan Zheng", "STKaiti", "KaiTi", "Kaiti SC", serif;
  --f-text: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;

  --margin-w: 64px;
  --ease-out: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(120% 80% at 50% 30%, #23262a 0%, var(--xuan) 60%, #111214 100%);
  color: var(--gold);
  font-family: var(--f-text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}
button { font: inherit; color: inherit; }
[hidden] { display: none !important; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ───────── 立轴 ───────── */
.wall {
  height: 100dvh;
  display: grid;
  place-items: center;
  padding: 12px 0 8px;
}
.scroll {
  position: relative;
  width: min(460px, calc(100vw - 24px));
  height: calc(100dvh - 20px);
  display: flex;
  flex-direction: column;
  filter: drop-shadow(0 18px 40px rgba(0,0,0,.55));
}
.mount {
  flex: none;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(0deg, rgba(0,0,0,.06) 0 1px, transparent 1px 3px),
    linear-gradient(180deg, var(--jade), var(--jade-deep));
}
.mount-top {
  height: 58px;
  position: relative;
  border-bottom: 3px solid #b99a5c33;
}
.mount-top::before { /* 天杆 */
  content: "";
  position: absolute; left: -6px; right: -6px; top: -6px; height: 8px;
  background: linear-gradient(180deg, #3b2c18, #1f170c);
  border-radius: 3px;
}
.ribbon { /* 惊燕 */
  position: absolute; top: 0; width: 10px; height: 100%;
  background: linear-gradient(180deg, #3f7a66, #2a5446);
  box-shadow: inset 0 0 0 1px rgba(197,160,89,.18);
}
.ribbon:first-child { left: 34%; }
.ribbon:last-child { right: 34%; }
.mount-bottom {
  height: 34px;
  border-top: 3px solid #b99a5c33;
}
.rod { /* 地杆与轴头 */
  flex: none;
  height: 14px;
  margin: 0 -18px;
  border-radius: 7px;
  background:
    radial-gradient(circle at 8px 50%, #e3c57f 0 5px, #8a6b33 6px 7px, transparent 8px),
    radial-gradient(circle at calc(100% - 8px) 50%, #e3c57f 0 5px, #8a6b33 6px 7px, transparent 8px),
    linear-gradient(180deg, #3b2c18, #1a1209);
}

/* ───────── 画心 ───────── */
.huaxin {
  position: relative;
  flex: 1;
  min-height: 0;
  background-color: var(--gan);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .77 0 0 0 0 .63 0 0 0 0 .35 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
    repeating-linear-gradient(90deg, rgba(197,160,89,.022) 0 1px, transparent 1px 2px),
    radial-gradient(130% 90% at 50% 40%, transparent 55%, rgba(0,0,0,.35) 100%);
  box-shadow:
    inset 0 0 0 5px var(--gan-deep),
    inset 0 0 0 6px var(--gold-faint);
  overflow: hidden;
}
.stage {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--gold-faint) transparent;
}

/* 屏 */
.screen {
  display: none;
  min-height: 100%;
  padding: 28px calc(var(--margin-w) + 8px) 36px 28px;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
}
.screen.is-active {
  display: flex;
  animation: ink-in .9s var(--ease-out) both;
}
@keyframes ink-in {
  from { opacity: 0; filter: blur(6px); }
  to   { opacity: 1; filter: blur(0); }
}

.h-brush {
  font-family: var(--f-brush);
  font-weight: 400;
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: .12em;
  margin: 8px 0 0;
  color: var(--gold);
}
.note {
  margin: 0;
  font-size: 14px;
  color: var(--gold-soft);
  max-width: 22em;
}

/* ───────── 印 ───────── */
.seal {
  --s: 64px;
  width: var(--s); height: var(--s);
  display: inline-grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 6px 4px 7px 3px;
  background: var(--cinnabar);
  color: var(--paper-ink);
  font-family: var(--f-brush);
  font-size: calc(var(--s) * .56);
  line-height: 1;
  cursor: pointer;
  position: relative;
  box-shadow: inset 0 0 0 3px rgba(242,230,204,.22), 0 2px 0 rgba(0,0,0,.4);
  transition: transform .18s var(--ease-out), filter .18s;
}
.seal::after { /* 印泥斑驳 */
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle at 20% 80%, rgba(31,38,48,.35) 0 3px, transparent 4px),
    radial-gradient(circle at 85% 30%, rgba(31,38,48,.3) 0 2px, transparent 3px),
    radial-gradient(circle at 60% 90%, rgba(31,38,48,.25) 0 2px, transparent 3px);
  pointer-events: none;
}
.seal:hover:not(:disabled) { filter: brightness(1.12); }
.seal:active:not(:disabled) { transform: scale(.94) rotate(-2deg); }
.seal:disabled { opacity: .35; cursor: default; }
.seal-lg { --s: 92px; }
.seal-md { --s: 64px; }
.seal-sm { --s: 40px; font-size: 16px; }
.seal-outline {
  background: transparent;
  color: var(--cinnabar-hi);
  box-shadow: inset 0 0 0 2px var(--cinnabar-hi);
}

/* ───────── 入卷 ───────── */
.screen-title { justify-content: space-between; padding-top: 40px; }
.title-block {
  display: flex;
  flex-direction: row-reverse;
  align-items: flex-start;
  gap: 14px;
  margin-top: 6px;
}
.title-main {
  writing-mode: vertical-rl;
  font-family: var(--f-brush);
  font-weight: 400;
  font-size: clamp(56px, 16vw, 78px);
  line-height: 1;
  letter-spacing: .08em;
  margin: 0;
  color: var(--gold);
  text-shadow: 0 0 24px rgba(197,160,89,.18);
}
.title-sub {
  writing-mode: vertical-rl;
  margin: 3.2em 0 0;
  font-size: 15px;
  letter-spacing: .5em;
  color: var(--gold-soft);
}
.title-actions {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.oracle-toggle {
  margin-top: 14px;
  display: flex; align-items: center; gap: 10px;
  text-align: left;
  font-size: 14px;
  color: var(--gold-soft);
  cursor: pointer;
}
.oracle-toggle input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.oracle-toggle .seal { cursor: pointer; opacity: .6; }
.oracle-toggle input:checked + .seal {
  background: var(--cinnabar); color: var(--paper-ink); box-shadow: none; opacity: 1;
}
.oracle-toggle input:focus-visible + .seal { outline: 2px solid var(--gold); outline-offset: 3px; }
.oracle-copy small { display: block; font-size: 12px; color: var(--gold-dim); }

/* ───────── 定盘 ───────── */
.shichen {
  margin: 0;
  font-size: 14px;
  color: var(--gold-soft);
  min-height: 1.75em;
}
.shichen b { font-family: var(--f-brush); font-weight: 400; font-size: 20px; color: var(--gold); }
.slips {
  display: flex;
  justify-content: center;
  gap: 14px;
}
.slip {
  width: 64px;
  height: 196px;
  padding: 16px 0 12px;
  border: 1px solid var(--gold-dim);
  border-radius: 3px 3px 10px 10px;
  background: linear-gradient(90deg, rgba(197,160,89,.05), rgba(197,160,89,.12) 50%, rgba(197,160,89,.05));
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  cursor: pointer;
  transition: transform .25s var(--ease-out), background .25s, border-color .25s;
}
.slip-name, .slip-desc { white-space: nowrap; flex: none; }
.slip-name {
  writing-mode: vertical-rl;
  font-family: var(--f-brush);
  font-size: 30px; line-height: 1;
}
.slip-desc {
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--gold-dim);
}
.slip:hover { border-color: var(--gold); }
.slip[aria-checked="true"] {
  transform: translateY(-10px);
  background: var(--gold);
  border-color: var(--gold);
  color: var(--gan);
}
.slip[aria-checked="true"] .slip-desc { color: rgba(31,38,48,.7); }

.ask { display: flex; flex-direction: column; gap: 6px; width: 100%; max-width: 300px; }
.ask-label { font-size: 13px; color: var(--gold-dim); }
.ask input {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--gold-dim);
  color: var(--gold);
  font: inherit;
  font-size: 15px;
  text-align: center;
  padding: 6px 4px;
}
.ask input::placeholder { color: rgba(197,160,89,.3); }
.ask input:focus { outline: none; border-bottom-color: var(--gold); }

/* ───────── 摇签 ───────── */
.tube-wrap { position: relative; width: 180px; height: 290px; margin-top: 4px; }
.tube {
  width: 100%; height: 100%;
  padding: 0; border: 0; background: none;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  transform-origin: 50% 90%;
}
.tube svg { width: 100%; height: 100%; display: block; overflow: visible; }
.tube:active { cursor: grabbing; }
.tube.is-shaking { animation: shake .16s linear infinite; }
.tube.is-shaking .stick { animation: rattle .12s linear infinite; }
.tube.is-shaking .stick:nth-child(2n) { animation-duration: .09s; animation-direction: reverse; }
.tube.is-shaking .stick:nth-child(3n) { animation-duration: .14s; }
@keyframes shake {
  0% { transform: rotate(-6deg) translateY(0); }
  25% { transform: rotate(4deg) translateY(-4px); }
  50% { transform: rotate(7deg) translateY(1px); }
  75% { transform: rotate(-3deg) translateY(-3px); }
  100% { transform: rotate(-6deg) translateY(0); }
}
@keyframes rattle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
.tube.is-done { opacity: .35; transition: opacity .8s; pointer-events: none; }

.fallen {
  position: absolute;
  left: 50%; top: 0;
  width: 18px; height: 150px;
  margin-left: -9px;
  border-radius: 3px;
  background: linear-gradient(90deg, #8c7240, #e0c585 50%, #7a6236);
  box-shadow: 0 6px 14px rgba(0,0,0,.45);
  display: none;
  align-items: flex-start; justify-content: center;
}
.fallen span {
  writing-mode: vertical-rl;
  margin-top: 12px;
  font-family: var(--f-brush);
  font-size: 13px;
  color: var(--cinnabar);
}
.fallen.is-falling {
  display: flex;
  animation: fall 1.3s var(--ease-out) forwards;
}
@keyframes fall {
  0%   { transform: translateY(40px) rotate(0); opacity: 0; }
  15%  { opacity: 1; }
  40%  { transform: translateY(-70px) rotate(6deg); }
  100% { transform: translate(64px, 150px) rotate(78deg); }
}

.sign {
  width: 100%;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  animation: ink-in 1s var(--ease-out) both;
}
.sign-head { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.sign-no { margin: 0; font-size: 13px; letter-spacing: .3em; color: var(--gold-dim); }
.sign-name {
  margin: 0;
  font-family: var(--f-brush);
  font-weight: 400;
  font-size: 44px;
  line-height: 1.2;
  letter-spacing: .1em;
}
.sign-level {
  margin: 4px 0 0;
  padding: 0 10px;
  font-family: var(--f-brush);
  font-size: 18px;
  color: var(--paper-ink);
  background: var(--cinnabar);
  border-radius: 2px;
}
.sign-level[data-tone="ping"] { background: transparent; color: var(--gold); box-shadow: inset 0 0 0 1px var(--gold-dim); }
.sign-level[data-tone="xiong"] { background: transparent; color: var(--gold-dim); box-shadow: inset 0 0 0 1px var(--gold-faint); }

.poem {
  writing-mode: vertical-rl;
  display: block;
  font-size: 19px;
  line-height: 1.9;
  letter-spacing: .28em;
  color: var(--gold);
  height: 9.6em;
  padding: 4px 0;
}
.poem span { display: block; margin-left: .45em; }
.poem span:last-child { margin-left: 0; }
.sign-jie, .sign-domain {
  margin: 0;
  max-width: 21em;
  font-size: 14px;
  color: var(--gold-soft);
  text-align: left;
}
.sign-jie b { font-family: var(--f-brush); font-weight: 400; font-size: 17px; color: var(--gold); margin-right: .6em; }
.sign-domain { color: var(--gold); }

/* ───────── 按钮 ───────── */
.btn {
  min-height: 44px;
  padding: 8px 26px;
  border: 1px solid var(--gold-dim);
  border-radius: 2px;
  background: transparent;
  color: var(--gold);
  font-size: 15px;
  letter-spacing: .2em;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { border-color: var(--gold); }
.btn-primary { background: var(--gold); color: var(--gan); border-color: var(--gold); font-weight: 600; }
.btn-primary:hover { background: #d4b170; }
.btn-ghost { border-color: transparent; color: var(--gold-soft); text-decoration: underline; text-underline-offset: 5px; text-decoration-color: var(--gold-faint); }
.btn:disabled { opacity: .35; cursor: default; }

/* ───────── 掷钱 ───────── */
.yao-board {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  width: 100%;
  min-height: 220px;
}
.gua {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column-reverse;
  gap: 11px;
  width: 104px;
}
.yao {
  position: relative;
  height: 14px;
  display: flex;
  gap: 16px;
  --o: .14;
}
.yao::before, .yao::after {
  content: "";
  flex: 1;
  background: var(--gold);
  border-radius: 1px;
  opacity: var(--o);
}
.yao.is-yang::after { display: none; }
.yao.is-set { --o: 1; }
.yao.is-set::before, .yao.is-set::after { animation: stroke-in .6s var(--ease-out) both; }
.yao.is-pending { --o: .55; }
.yao.is-auto::before, .yao.is-auto::after { background: var(--gold-soft); }
.yao.is-moving::before, .yao.is-moving::after { background: var(--cinnabar-hi); }
.yao-mark {
  position: absolute;
  right: -26px; top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  line-height: 1;
  color: var(--cinnabar-hi);
}
.yao-tag {
  position: absolute;
  left: -40px; top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  color: var(--gold-dim);
  white-space: nowrap;
}
@keyframes stroke-in {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0 0 0); }
}
.coins {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.coin {
  width: 62px; height: 62px;
  perspective: 500px;
}
.coin-body {
  position: relative;
  width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform 1.25s cubic-bezier(.15,.6,.25,1);
}
.coin-face {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 50%;
  filter: drop-shadow(0 3px 3px rgba(0,0,0,.45));
}
.coin-face svg { width: 100%; height: 100%; display: block; }
.coin-face.back { transform: rotateX(180deg); }
.coin.is-tossing { animation: toss 1.25s cubic-bezier(.3,.7,.4,1); }
@keyframes toss {
  0% { transform: translateY(0) scale(1); }
  40% { transform: translateY(-56px) scale(1.18); }
  100% { transform: translateY(0) scale(1); }
}
.yao-result {
  margin: 0;
  min-height: 1.75em;
  font-size: 15px;
  color: var(--gold);
}
.yao-result em { font-style: normal; color: var(--cinnabar-hi); }
.yao-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

/* ───────── 观象 ───────── */
.screen-end { gap: 20px; padding-top: 22px; }
.loom { margin: 0; width: 100%; }
.loom canvas {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: block;
  box-shadow: 0 0 0 1px var(--gold-faint);
}
.loom figcaption { margin-top: 6px; font-size: 12px; color: var(--gold-dim); }
.gua-pair {
  margin: 0;
  font-family: var(--f-brush);
  font-size: 22px;
  letter-spacing: .08em;
}
.gua-pair small { font-family: var(--f-text); font-size: 12px; color: var(--gold-dim); letter-spacing: 0; display: block; }
.ending-head { display: flex; align-items: center; gap: 14px; text-align: left; }
.ending-name {
  margin: 0;
  font-family: var(--f-brush);
  font-weight: 400;
  font-size: 46px;
  line-height: 1.1;
  letter-spacing: .12em;
}
.ending-sub { margin: 0; font-size: 14px; letter-spacing: .4em; color: var(--gold-soft); }
.ending-lead { margin: 0; font-size: 16px; }
.poem-end { font-size: 18px; }
.critique {
  margin: 0;
  max-width: 21em;
  text-align: left;
  font-size: 15px;
  color: var(--paper-ink);
  opacity: .88;
  padding-left: 14px;
  border-left: 2px solid var(--cinnabar);
}
.oracle {
  width: 100%;
  max-width: 21em;
  text-align: left;
  padding: 12px 14px;
  background: rgba(197,160,89,.06);
}
.oracle h3, .ledger h3, .endings h3 {
  margin: 0 0 8px;
  font-family: var(--f-brush);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: .1em;
}
.oracle p { margin: 0; font-size: 15px; color: var(--gold); white-space: pre-line; }
.oracle.is-loading p { color: var(--gold-dim); }

.ledger, .endings { width: 100%; max-width: 21em; text-align: left; }
.ledger-intro { margin: 0 0 10px; font-size: 13px; color: var(--gold-dim); }
.ledger dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; font-size: 14px; }
.ledger dt { color: var(--gold-dim); }
.ledger dd { margin: 0; color: var(--gold); font-variant-numeric: tabular-nums; }

.endings ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.endings li { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--gold-dim); line-height: 1.5; }
.endings li .seal { --s: 40px; font-size: 18px; flex: none; cursor: default; }
.endings li.is-locked .seal { background: transparent; color: var(--gold-faint); box-shadow: inset 0 0 0 1px var(--gold-faint); }
.endings li.is-locked .seal::after { display: none; }
.endings li b { display: block; font-weight: 600; color: var(--gold); }
.endings li.is-current b { color: var(--cinnabar-hi); }

/* ───────── 机器旁批 ───────── */
.margin {
  position: absolute;
  top: 18px; right: 12px; bottom: 18px;
  width: var(--margin-w);
  display: flex;
  flex-direction: row-reverse;
  gap: 3px;
  overflow: hidden;
  pointer-events: none;
  border-left: 1px solid var(--gold-faint);
  padding-left: 4px;
}
.gloss {
  flex: none;
  writing-mode: vertical-rl;
  font-size: 12px;
  line-height: 1.55;
  letter-spacing: .12em;
  color: var(--gold-dim);
  white-space: nowrap;
  max-height: 100%;
  overflow: hidden;
  transition: opacity .6s;
}
.gloss.is-new { color: var(--gold); }
.gloss:nth-child(n+4) { opacity: .45; }
.gloss:nth-child(n+5) { opacity: .2; }
.gloss.is-alarm { color: var(--cinnabar-hi); }
.gloss .caret { animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* 存疑 */
.seal-doubt {
  position: absolute;
  left: 16px; bottom: 16px;
  --s: 46px;
  font-size: 15px;
  line-height: 1.05;
  writing-mode: vertical-rl;
  animation: breathe 3.2s ease-in-out infinite;
  z-index: 3;
}
@keyframes breathe {
  0%, 100% { opacity: .18; }
  50% { opacity: .7; }
}
.seal-doubt:hover, .seal-doubt:focus-visible { animation: none; opacity: 1; }

/* 破执：画心被撕开 */
.huaxin.is-broken .margin { animation: glitch .5s steps(2) 3; }
@keyframes glitch {
  0% { transform: translate(0); filter: none; }
  33% { transform: translate(-3px, 2px); filter: hue-rotate(160deg); }
  66% { transform: translate(2px, -1px); }
  100% { transform: translate(0); }
}

/* 静音 */
.mute {
  position: fixed;
  right: 14px; bottom: 14px;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--gold-faint);
  background: rgba(26,28,30,.8);
  color: var(--gold-soft);
  font-family: var(--f-brush);
  font-size: 18px;
  cursor: pointer;
  z-index: 10;
}
.mute[aria-pressed="true"] { color: var(--gold-faint); text-decoration: line-through; }

/* ───────── 窄屏 ───────── */
@media (max-width: 520px) {
  :root { --margin-w: 46px; }
  .wall { padding: 0; }
  .scroll { width: 100vw; height: 100dvh; filter: none; }
  .mount-top { height: 30px; }
  .mount-top::before { display: none; }
  .mount-bottom { height: 18px; }
  .rod { margin: 0; height: 8px; border-radius: 0; }
  .screen { padding: 20px calc(var(--margin-w) + 6px) 30px 16px; gap: 14px; }
  .gloss { font-size: 11px; }
  .slips { gap: 10px; }
  .slip { width: 56px; height: 176px; }
  .yao-board { gap: 34px; }
  .mute { right: 10px; bottom: 26px; width: 34px; height: 34px; font-size: 16px; }
  .seal-doubt { left: 12px; bottom: 12px; }
}
@media (max-height: 700px) {
  .tube-wrap { height: 240px; width: 150px; }
  .poem { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .seal-doubt { opacity: .7; }
}