.site-topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid rgba(207, 224, 234, .16);
  color: #f4f8fb;
  background: rgba(5, 11, 15, .88);
  backdrop-filter: blur(18px);
}

.site-nav {
  width: min(1180px, calc(100% - 40px));
  min-height: 58px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #f4f8fb;
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.site-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(140, 170, 255, .34);
  border-radius: 7px;
  color: #dfe7ff;
  background: #101a22;
}

.site-links { display: flex; gap: 4px; }

.site-links a {
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: 5px;
  color: #a8b4bd;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.site-links a:hover,
.site-links a.active {
  color: #fff;
  border-color: rgba(207, 224, 234, .16);
  background: rgba(255, 255, 255, .055);
}

.resource-strip {
  width: min(1180px, calc(100% - 40px));
  min-height: 58px;
  margin: 18px auto 28px;
  padding: 9px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid rgba(44, 68, 83, .2);
  border-radius: 8px;
  color: #233745;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 12px 34px rgba(17, 31, 41, .08);
}

.strip-main,
.strip-actions { display: flex; align-items: center; gap: 10px; }

.trial-pill {
  padding: 5px 8px;
  border-radius: 5px;
  color: #0b433c;
  background: #d9f5ee;
  font-size: 12px;
  font-weight: 900;
}

.resource-code {
  color: #73828c;
  font: 700 10px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.strip-button {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 11px;
  border: 1px solid #cfdae1;
  border-radius: 5px;
  color: #294351;
  background: #fff;
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.strip-button.primary { color: #fff; border-color: #126f64; background: #126f64; }

.resource-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  padding: 20px;
  background: rgba(2, 7, 10, .74);
  backdrop-filter: blur(10px);
}

.resource-modal.is-open { display: grid; }

.resource-modal-card {
  width: min(760px, 100%);
  max-height: min(720px, calc(100vh - 40px));
  overflow: auto;
  padding: 22px;
  border: 1px solid rgba(207, 224, 234, .18);
  border-radius: 8px;
  color: #f4f8fb;
  background: #0b151c;
  box-shadow: 0 30px 100px rgba(0, 0, 0, .48);
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(207, 224, 234, .14);
}

.modal-head h2 { margin: 0 0 4px; font-size: 22px; }
.modal-head p { margin: 0; color: #99a9b4; font-size: 13px; }

.modal-close {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border: 1px solid rgba(207, 224, 234, .18);
  border-radius: 5px;
  color: #e8eef2;
  background: rgba(255, 255, 255, .04);
  font-size: 22px;
  cursor: pointer;
}

.resource-modal .detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 24px;
  margin-top: 8px;
}

.detail-block { padding: 16px 0; border-bottom: 1px solid rgba(207, 224, 234, .12); }
.detail-block h3 { margin: 0 0 7px; color: #dbe5ea; font-size: 14px; }
.detail-block p,
.detail-block ul { margin: 0; color: #9eacb6; font-size: 12px; line-height: 1.75; }
.detail-block ul { padding-left: 18px; }

.site-footer {
  padding: 22px 0;
  border-top: 1px solid rgba(207, 224, 234, .14);
  color: #7f8d96;
  background: #060c10;
  font-size: 12px;
}

.site-footer-inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 22px;
}

:where(.site-topbar a, .resource-strip a, .resource-strip button, .resource-modal button):focus-visible {
  outline: 2px solid #8caaff;
  outline-offset: 3px;
}

@media (max-width: 680px) {
  .site-nav {
    width: 100%;
    padding: 9px 14px 8px;
    align-items: stretch;
    flex-direction: column;
    gap: 7px;
  }

  .site-links {
    width: calc(100% + 28px);
    margin: 0 -14px;
    overflow-x: auto;
    padding: 0 14px 2px;
    scrollbar-width: none;
  }

  .site-links::-webkit-scrollbar { display: none; }
  .site-links a { flex: 0 0 auto; border-color: rgba(207, 224, 234, .14); }
  .resource-strip { width: calc(100% - 28px); align-items: stretch; flex-direction: column; }
  .strip-main,
  .strip-actions { justify-content: space-between; }
  .strip-button { flex: 1; }
  .resource-modal { padding: 12px; }
  .resource-modal-card { max-height: calc(100vh - 24px); padding: 17px; }
  .resource-modal .detail-grid { grid-template-columns: 1fr; }
  .site-footer-inner { width: calc(100% - 28px); }
}

/* Shared classroom-lab visual system for newer tools. */
body.xinyu-tool {
  --tool-bg: #050d12;
  --tool-surface: #0a171e;
  --tool-surface-2: #0e222b;
  --tool-surface-3: #122a34;
  --tool-ink: #f4f9fb;
  --tool-muted: #a9bac4;
  --tool-line: rgba(153, 194, 207, .22);
  --tool-line-strong: rgba(153, 214, 220, .42);
  --tool-shadow: 0 24px 70px rgba(0, 0, 0, .32);
  min-width: 320px;
  overflow-x: hidden;
  color: var(--tool-ink);
  background:
    radial-gradient(circle at 14% 0%, rgba(61, 191, 178, .12), transparent 30rem),
    radial-gradient(circle at 86% 2%, rgba(89, 142, 196, .12), transparent 30rem),
    linear-gradient(180deg, #071219 0%, var(--tool-bg) 62%, #040a0e 100%);
}

body.music-tool {
  --tool-accent: #67dfd1;
  --tool-accent-2: #e5bd67;
  --tool-accent-ink: #061411;
  --ink: var(--tool-ink);
  --muted: var(--tool-muted);
  --line: var(--tool-line);
  --teal: var(--tool-accent);
  --gold: var(--tool-accent-2);
  --panel: var(--tool-surface);
}

body.physics-tool {
  --tool-accent: #78bfff;
  --tool-accent-2: #65e2d4;
  --tool-accent-ink: #06121d;
  --ink: var(--tool-ink);
  --muted: var(--tool-muted);
  --line: var(--tool-line);
  --card: var(--tool-surface);
  --blue: var(--tool-accent);
  --blue-dark: #a8d6ff;
  --force: #58b6ff;
  --force-2: #8caaff;
  --result: #ff8b5c;
  --zero: #b5c4cc;
}

body.xinyu-tool::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(137, 180, 194, .075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(137, 180, 194, .075) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(180deg, #000, rgba(0, 0, 0, .72) 68%, transparent);
  mask-image: linear-gradient(180deg, #000, rgba(0, 0, 0, .72) 68%, transparent);
  content: "";
}

body.xinyu-tool .site-topbar {
  min-height: 68px;
  border-bottom-color: rgba(153, 194, 207, .18);
  background: rgba(4, 11, 15, .9);
}

body.xinyu-tool .site-nav {
  min-height: 68px;
}

body.xinyu-tool .site-brand {
  font-size: 15px;
}

body.xinyu-tool .site-mark {
  width: 38px;
  height: 38px;
  border-color: color-mix(in srgb, var(--tool-accent) 48%, transparent);
  border-radius: 10px;
  color: var(--tool-accent);
  background: rgba(9, 24, 30, .94);
  box-shadow: 0 0 28px color-mix(in srgb, var(--tool-accent) 15%, transparent);
}

body.xinyu-tool .site-links {
  gap: 7px;
}

body.xinyu-tool .site-links a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  color: #b9c7ce;
}

body.xinyu-tool .site-links a:hover,
body.xinyu-tool .site-links a.active {
  border-color: var(--tool-line);
  color: #fff;
  background: rgba(255, 255, 255, .06);
}

body.xinyu-tool .music-page,
body.xinyu-tool .page {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0 0 10px;
}

body.xinyu-tool .tool-heading {
  margin: 0;
  padding: 42px 0 24px;
  text-align: left;
}

body.xinyu-tool .eyebrow {
  margin: 0 0 12px;
  color: var(--tool-accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

body.xinyu-tool h1 {
  max-width: 1040px;
  margin: 0 0 16px;
  color: var(--tool-ink);
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.08;
  letter-spacing: 0;
}

body.xinyu-tool .lead {
  max-width: 880px;
  margin: 0;
  color: var(--tool-muted);
  font-size: 18px;
  font-weight: 600;
}

body.xinyu-tool .chips {
  justify-content: flex-start;
  gap: 8px;
  margin-top: 20px;
}

body.xinyu-tool .chip {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-color: var(--tool-line);
  border-radius: 999px;
  color: #dce8ed;
  background: rgba(255, 255, 255, .04);
  font-size: 13px;
}

body.xinyu-tool .chip.is-test {
  border-color: transparent;
  color: var(--tool-accent-ink);
  background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-2));
}

body.xinyu-tool .classroom-toolbar {
  min-height: 64px;
  margin: 0 0 14px;
  padding: 11px 14px 11px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid var(--tool-line);
  border-radius: 28px;
  color: var(--tool-ink);
  background:
    radial-gradient(circle at 80% 0%, color-mix(in srgb, var(--tool-accent) 9%, transparent), transparent 22rem),
    linear-gradient(150deg, rgba(15, 35, 43, .96), rgba(7, 17, 22, .96));
  box-shadow: var(--tool-shadow);
}

body.xinyu-tool .classroom-toolbar .stage-title {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--tool-ink);
  font-size: 16px;
  font-weight: 900;
}

body.xinyu-tool .classroom-toolbar .stage-meta {
  color: var(--tool-muted);
  font-size: 13px;
  font-weight: 800;
}

body.xinyu-tool .classroom-toolbar .status-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--tool-accent);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--tool-accent) 12%, transparent), 0 0 18px color-mix(in srgb, var(--tool-accent) 48%, transparent);
}

body.xinyu-tool .classroom-screen-toggle,
body.xinyu-tool .fullscreen-button {
  border-color: var(--tool-line-strong);
  color: #e8f1f4;
  background: rgba(255, 255, 255, .04);
}

body.xinyu-tool .classroom-screen-toggle:hover,
body.xinyu-tool .fullscreen-button:hover {
  border-color: var(--tool-accent);
  color: #fff;
  background: color-mix(in srgb, var(--tool-accent) 10%, transparent);
}

body.xinyu-tool .classroom-screen-toggle[aria-pressed="true"] {
  border-color: transparent;
  color: var(--tool-accent-ink);
  background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-2));
}

body.xinyu-tool .resource-strip {
  border-color: var(--tool-line);
  border-radius: 28px;
  color: var(--tool-ink);
  background: rgba(4, 12, 16, .84);
  box-shadow: var(--tool-shadow);
  backdrop-filter: blur(16px);
}

body.xinyu-tool .trial-pill,
body.xinyu-tool .strip-button.primary {
  border-color: transparent;
  color: var(--tool-accent-ink);
  background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-2));
}

body.xinyu-tool .resource-code {
  color: #87969f;
}

body.xinyu-tool .strip-button {
  border-color: var(--tool-line-strong);
  border-radius: 999px;
  color: #e8f0f3;
  background: rgba(255, 255, 255, .035);
}

body.xinyu-tool .resource-modal-card {
  border-color: var(--tool-line);
  border-radius: 24px;
  background:
    radial-gradient(circle at 82% 0%, color-mix(in srgb, var(--tool-accent) 8%, transparent), transparent 24rem),
    #09151b;
}

body.xinyu-tool .site-footer {
  border-top-color: rgba(153, 194, 207, .14);
  background: #040a0e;
}

/* Music tool */
body.music-tool .truth-note {
  margin: 0 0 14px;
  padding: 13px 16px;
  border: 1px solid rgba(229, 189, 103, .28);
  border-left: 4px solid var(--tool-accent-2);
  border-radius: 10px;
  color: #eedba8;
  background: rgba(92, 67, 20, .18);
}

body.music-tool .view-tabs {
  padding: 6px;
  border-color: var(--tool-line);
  border-radius: 16px;
  background: rgba(6, 17, 22, .82);
  box-shadow: none;
}

body.music-tool .view-tab {
  min-height: 46px;
  border-radius: 11px;
  color: var(--tool-muted);
}

body.music-tool .view-tab[aria-selected="true"] {
  color: var(--tool-accent-ink);
  background: linear-gradient(135deg, var(--tool-accent), #91c9e9);
  box-shadow: 0 10px 24px rgba(60, 192, 179, .13);
}

body.music-tool .tool-panel,
body.music-tool .performance-stage {
  border-color: var(--tool-line);
  border-radius: 28px;
  color: var(--tool-ink);
  background:
    radial-gradient(circle at 82% 0%, rgba(103, 223, 209, .07), transparent 22rem),
    linear-gradient(155deg, rgba(13, 32, 39, .96), rgba(6, 16, 21, .96));
  box-shadow: var(--tool-shadow);
}

body.music-tool .panel-head h2,
body.music-tool .live-controls h3,
body.music-tool .feedback-comment {
  color: var(--tool-ink);
}

body.music-tool .panel-head p,
body.music-tool .limit-mark,
body.music-tool .privacy-line,
body.music-tool .message,
body.music-tool .feedback-label {
  color: var(--tool-muted);
}

body.music-tool .upload-row,
body.music-tool .preset-row button,
body.music-tool .field select {
  border-color: var(--tool-line);
  color: #e6f0f3;
  background: rgba(255, 255, 255, .035);
}

body.music-tool .file-button,
body.music-tool .secondary-action {
  border-color: var(--tool-line-strong);
  color: #e4eef1;
  background: rgba(255, 255, 255, .035);
}

body.music-tool .empty-preview {
  border-color: var(--tool-line-strong);
  color: #8fa1aa;
  background:
    linear-gradient(rgba(138, 180, 194, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 180, 194, .055) 1px, transparent 1px);
  background-size: 32px 32px;
}

body.music-tool .score-preview img {
  border-color: var(--tool-line);
  background: var(--tool-surface-2);
}

body.music-tool .score-value,
body.music-tool .primary-action {
  border-color: transparent;
  color: var(--tool-accent-ink);
  background: linear-gradient(135deg, var(--tool-accent), #91c9e9);
}

body.music-tool .preset-row button:hover,
body.music-tool .file-button:hover,
body.music-tool .secondary-action:hover {
  border-color: var(--tool-accent);
  color: #fff;
  background: rgba(103, 223, 209, .09);
}

body.music-tool .field select {
  color-scheme: dark;
}

body.music-tool .performance-stage .stage-head {
  border-bottom-color: var(--tool-line);
  background: rgba(255, 255, 255, .035);
}

body.music-tool .live-controls {
  background: #08171d;
}

body.music-tool .feedback-score,
body.music-tool .feedback-kicker {
  color: var(--tool-accent);
}

body.music-tool .feedback-boundary {
  border: 1px solid rgba(229, 189, 103, .25);
  color: #eedba8;
  background: rgba(92, 67, 20, .18);
}

body.music-tool .danger-action {
  color: #ffc5bc;
  border-color: rgba(255, 139, 92, .38);
  background: rgba(112, 42, 28, .18);
}

body.music-tool audio {
  color-scheme: dark;
}

/* Physics tool */
body.physics-tool .model-note {
  justify-content: flex-start;
  margin-bottom: 14px;
  color: var(--tool-muted);
}

body.physics-tool .model-note span {
  border: 1px solid var(--tool-line);
  border-left: 3px solid var(--tool-accent);
  border-radius: 8px;
  background: rgba(255, 255, 255, .035);
}

body.physics-tool .panel {
  border-color: var(--tool-line);
  border-radius: 28px;
  color: var(--tool-ink);
  background:
    radial-gradient(circle at 84% 0%, rgba(120, 191, 255, .07), transparent 24rem),
    linear-gradient(155deg, rgba(13, 30, 40, .96), rgba(6, 15, 21, .96));
  box-shadow: var(--tool-shadow);
}

body.physics-tool .demo-panel {
  overflow: hidden;
  padding: 0;
}

body.physics-tool .demo-panel .classroom-toolbar {
  margin: 0;
  border: 0;
  border-bottom: 1px solid var(--tool-line);
  border-radius: 0;
  box-shadow: none;
}

body.physics-tool .demo-wrap {
  width: calc(100% - 36px);
  margin: 18px;
  border-color: var(--tool-line-strong);
  border-radius: 22px;
  background:
    linear-gradient(rgba(124, 176, 204, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 176, 204, .08) 1px, transparent 1px),
    radial-gradient(circle at 50% 42%, rgba(120, 191, 255, .08), transparent 22rem),
    #061118;
  background-size: 44px 44px, 44px 44px, auto, auto;
}

body.physics-tool .track,
body.physics-tool .motion-rail {
  background: #557080;
}

body.physics-tool .cart,
body.physics-tool .motion-cart {
  border-color: #7fa4be;
  color: #edf7fb;
  background: #102b38;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .26);
}

body.physics-tool .cart::before,
body.physics-tool .cart::after,
body.physics-tool .motion-cart::before,
body.physics-tool .motion-cart::after {
  background: #8fb2c8;
}

body.physics-tool .arrow-label,
body.physics-tool .result-zero {
  border-color: var(--tool-line-strong);
  color: #eef7fa;
  background: rgba(7, 20, 27, .92);
  box-shadow: 0 8px 26px rgba(0, 0, 0, .24);
}

body.physics-tool .control-card,
body.physics-tool .motion-stage,
body.physics-tool .chart-card {
  border-color: var(--tool-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, .025);
}

body.physics-tool .control-card h2,
body.physics-tool .preset-label,
body.physics-tool .result-direction,
body.physics-tool .section-title,
body.physics-tool .motion-option,
body.physics-tool .motion-readout,
body.physics-tool .chart-title {
  color: var(--tool-ink);
}

body.physics-tool .value {
  color: var(--tool-accent);
}

body.physics-tool button,
body.physics-tool .motion-option {
  border-color: var(--tool-line-strong);
  color: #e1edf2;
  background: rgba(255, 255, 255, .035);
}

body.physics-tool button:hover {
  border-color: var(--tool-accent);
  color: #fff;
  background: rgba(120, 191, 255, .1);
}

body.physics-tool button.active {
  border-color: transparent;
  color: var(--tool-accent-ink);
  background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-2));
}

body.physics-tool .preset-card {
  border-top-color: var(--tool-line);
}

body.physics-tool .result-main {
  color: var(--result);
}

body.physics-tool .conclusion,
body.physics-tool .motion-conclusion {
  border-left-color: var(--tool-accent);
  color: #e2edf2;
  background: rgba(120, 191, 255, .07);
}

body.physics-tool .motion-conclusion {
  border-left-color: var(--result);
}

body.physics-tool .motion-track {
  border-color: var(--tool-line);
  background:
    linear-gradient(rgba(124, 176, 204, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 176, 204, .07) 1px, transparent 1px),
    #07141d;
  background-size: 36px 36px;
}

body.physics-tool #vtChart {
  border-color: var(--tool-line);
  background: #07141d;
}

body.physics-tool .chart-note,
body.physics-tool .notes {
  color: var(--tool-muted);
}

body.xinyu-tool.classroom-screen .tool-panel,
body.xinyu-tool.classroom-screen .performance-stage,
body.xinyu-tool.classroom-screen .panel,
body.xinyu-tool.classroom-screen .classroom-toolbar {
  border-width: 2px;
  border-color: var(--screen-line);
  background-color: var(--screen-panel);
  box-shadow: 0 0 0 1px rgba(101, 226, 212, .08), 0 24px 70px rgba(0, 0, 0, .34);
}

body.xinyu-tool.classroom-screen .tool-panel h2,
body.xinyu-tool.classroom-screen .panel h2,
body.xinyu-tool.classroom-screen .panel-head h2 {
  color: var(--screen-ink);
  font-size: 27px;
}

body.xinyu-tool.classroom-screen button,
body.xinyu-tool.classroom-screen .file-button,
body.xinyu-tool.classroom-screen select {
  min-height: 50px;
  border-width: 2px;
  font-size: 15px;
}

body.xinyu-tool.classroom-screen input[type="range"] {
  min-height: 34px;
}

body.xinyu-tool .lab:fullscreen {
  display: block;
  color: var(--tool-ink);
  background:
    radial-gradient(circle at 16% 0%, rgba(61, 191, 178, .12), transparent 30rem),
    #050d12;
}

@media (max-width: 820px) {
  body.xinyu-tool .music-page,
  body.xinyu-tool .page {
    width: min(100% - 24px, 1180px);
  }
}

@media (max-width: 680px) {
  body.xinyu-tool .site-topbar,
  body.xinyu-tool .site-nav {
    min-height: 0;
  }

  body.xinyu-tool .site-nav {
    padding: 12px 14px 10px;
  }

  body.xinyu-tool .tool-heading {
    padding: 28px 0 20px;
  }

  body.xinyu-tool h1 {
    font-size: 34px;
  }

  body.xinyu-tool .lead {
    font-size: 15px;
  }

  body.xinyu-tool .classroom-toolbar {
    align-items: stretch;
    flex-direction: column;
    border-radius: 20px;
  }

  body.xinyu-tool .classroom-toolbar .stage-actions {
    width: 100%;
  }

  body.music-tool .tool-panel,
  body.music-tool .performance-stage,
  body.physics-tool .panel,
  body.xinyu-tool .resource-strip {
    border-radius: 20px;
  }

  body.physics-tool .demo-wrap {
    width: calc(100% - 20px);
    margin: 10px;
    border-radius: 14px;
  }

  body.xinyu-tool .resource-strip {
    width: calc(100% - 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  body.xinyu-tool *,
  body.xinyu-tool *::before,
  body.xinyu-tool *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}