/**
 * 按钮装饰动效（挂在 a-button / .arco-btn 上）
 * 色走 --wa-color-primary；遵守 prefers-reduced-motion
 */

.wa-btn-fx__label {
  position: relative;
  z-index: 1;
}

/* ── 共用裁切 ── */
.wa-btn-shine,
.wa-btn-wipe,
.wa-btn-two-tone,
.wa-btn-ripple,
.wa-btn-center-fill,
.wa-btn-side-sweep,
.wa-btn-pinch,
.wa-btn-fill-out,
.wa-btn-fill-collapse,
.wa-btn-skew,
.wa-btn-arrow-morph,
.wa-btn-shape-flood,
.wa-btn-arrow-sweep,
.wa-btn-circle-drop,
.wa-btn-zoom-fill,
.wa-btn-expand {
  position: relative;
  overflow: hidden !important;
  isolation: isolate;
}

.wa-btn-shine > span:not(.wa-btn-ripple__wave),
.wa-btn-wipe > span,
.wa-btn-two-tone > span,
.wa-btn-ripple > span:not(.wa-btn-ripple__wave),
.wa-btn-fill-out > span,
.wa-btn-fill-collapse > span,
.wa-btn-skew > span,
.wa-btn-arrow-morph > span,
.wa-btn-shape-flood > span,
.wa-btn-arrow-sweep > span,
.wa-btn-circle-drop > span,
.wa-btn-zoom-fill > span,
.wa-btn-expand > span,
.wa-btn-shine .arco-btn-icon,
.wa-btn-wipe .arco-btn-icon,
.wa-btn-two-tone .arco-btn-icon,
.wa-btn-center-fill .arco-btn-icon,
.wa-btn-side-sweep .arco-btn-icon,
.wa-btn-pinch .arco-btn-icon,
.wa-btn-ripple .arco-btn-icon {
  position: relative;
  z-index: 1;
}

/* ── 悬停扫光 ── */
.wa-btn-shine::after {
  content: "";
  position: absolute;
  top: -30%;
  bottom: -30%;
  left: 0;
  width: 2.25rem;
  z-index: 2;
  pointer-events: none;
  background: color-mix(in srgb, #fff 28%, transparent);
  filter: blur(2px);
  transform: translateX(-140%) rotate(20deg);
  transition: transform 0.6s ease-in-out;
  opacity: 0;
}
.wa-btn-shine:hover::after {
  opacity: 1;
  transform: translateX(420%) rotate(20deg);
}
@media (prefers-reduced-motion: reduce) {
  .wa-btn-shine:hover::after {
    transition: none;
    opacity: 0;
    transform: translateX(-140%) rotate(20deg);
  }
}

/* ── 背景擦入：擦入层 z-index:0，标签 .wa-btn-fx__label z-index:1 ── */
.wa-btn-wipe::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  pointer-events: none;
  background: var(--wa-color-surface, var(--color-bg-popup, #fff));
  transform: translateX(-101%);
  transition: transform 0.35s ease-in-out;
}
.wa-btn-wipe:hover::before {
  transform: translateX(0);
}
.arco-btn-primary.wa-btn-wipe:hover,
.arco-btn-primary.wa-btn-wipe:hover:not(.arco-btn-disabled):not(.arco-btn-loading),
.arco-btn-primary.wa-btn-wipe[type="button"]:hover,
.arco-btn-primary.wa-btn-wipe[type="submit"]:hover {
  color: var(--wa-color-primary) !important;
  -webkit-text-fill-color: var(--wa-color-primary) !important;
  background-color: var(--wa-color-primary) !important;
  border-color: var(--wa-color-primary) !important;
}
.arco-btn-primary.wa-btn-wipe:hover .wa-btn-fx__label,
.arco-btn-primary.wa-btn-wipe:hover .arco-btn-icon,
.arco-btn-primary.wa-btn-wipe:hover .pro-fa-icon {
  color: var(--wa-color-primary) !important;
  -webkit-text-fill-color: var(--wa-color-primary) !important;
}
.arco-btn-secondary.wa-btn-wipe:hover,
.arco-btn-outline.wa-btn-wipe:hover {
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  border-color: var(--wa-color-primary) !important;
}
.arco-btn-secondary.wa-btn-wipe::before,
.arco-btn-outline.wa-btn-wipe::before {
  background: var(--wa-color-primary);
}
@media (prefers-reduced-motion: reduce) {
  .wa-btn-wipe::before { transition: none; }
  .wa-btn-wipe:hover::before { transform: none; opacity: 1; }
}

/* ── 双色扫入 ── */
.wa-btn-two-tone::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  pointer-events: none;
  background: color-mix(in srgb, var(--wa-color-primary) 72%, #fff);
  transform: translateX(-101%);
  transition: transform 0.3s ease-in-out;
}
.wa-btn-two-tone:hover::before { transform: translateX(0); }

/* ── 边框辉光 / 边框追光（共用亮弧；前者自动转，后者跟鼠标） ── */
@property --wa-btn-glow-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}
.wa-btn-border-glow,
.wa-btn-border-follow {
  --wa-btn-glow-angle: 0deg;
  position: relative;
  isolation: isolate;
  overflow: visible !important;
  transition: box-shadow 0.25s ease, filter 0.25s ease;
}
.wa-btn-border-glow::before,
.wa-btn-border-glow__ring,
.wa-btn-border-follow::before,
.wa-btn-border-follow__ring {
  content: "";
  position: absolute;
  inset: -2px;
  z-index: 2;
  border-radius: inherit;
  padding: 2px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
  background: conic-gradient(
    from var(--wa-btn-glow-angle),
    #fff 0deg,
    color-mix(in srgb, #fff 75%, var(--wa-color-primary)) 12deg,
    color-mix(in srgb, #fff 35%, transparent) 28deg,
    transparent 42deg,
    transparent 318deg,
    color-mix(in srgb, #fff 35%, transparent) 332deg,
    color-mix(in srgb, #fff 75%, var(--wa-color-primary)) 348deg,
    #fff 360deg
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
}
.wa-btn-border-glow__ring,
.wa-btn-border-follow__ring {
  content: none;
}
.wa-btn-border-glow:has(.wa-btn-border-glow__ring)::before,
.wa-btn-border-follow:has(.wa-btn-border-follow__ring)::before {
  display: none;
}

/* 边框辉光：悬停自动旋转 */
.wa-btn-border-glow:hover::before,
.wa-btn-border-glow:hover .wa-btn-border-glow__ring {
  opacity: 1;
  animation: wa-btn-glow-spin 1.2s linear infinite;
}
.wa-btn-border-glow:hover {
  box-shadow:
    0 0 16px color-mix(in srgb, #fff 28%, transparent),
    0 0 28px color-mix(in srgb, var(--wa-color-primary) 48%, transparent);
  filter: brightness(1.04);
}
@keyframes wa-btn-glow-spin {
  to { --wa-btn-glow-angle: 360deg; }
}

/* 边框追光：角度由 border-follow.js 更新 */
.wa-btn-border-follow:hover::before,
.wa-btn-border-follow:hover .wa-btn-border-follow__ring {
  opacity: 1;
  animation: none;
}
.wa-btn-border-follow:hover {
  box-shadow:
    0 0 16px color-mix(in srgb, #fff 28%, transparent),
    0 0 28px color-mix(in srgb, var(--wa-color-primary) 48%, transparent);
  filter: brightness(1.04);
}

@media (prefers-reduced-motion: reduce) {
  .wa-btn-border-glow:hover::before,
  .wa-btn-border-glow:hover .wa-btn-border-glow__ring {
    animation: none;
    opacity: 1;
  }
  .wa-btn-border-follow:hover::before,
  .wa-btn-border-follow:hover .wa-btn-border-follow__ring {
    opacity: 1;
  }
}

/* ── 图标轻推 ── */
.wa-btn-icon-nudge .arco-btn-icon,
.wa-btn-icon-nudge .pro-fa-icon,
.wa-btn-icon-nudge .arco-icon {
  display: inline-flex;
  transition: transform 0.15s ease-out;
}
.wa-btn-icon-nudge:hover .arco-btn-icon,
.wa-btn-icon-nudge:hover .pro-fa-icon,
.wa-btn-icon-nudge:hover .arco-icon {
  transform: translateX(4px);
}
@media (prefers-reduced-motion: reduce) {
  .wa-btn-icon-nudge:hover .arco-btn-icon,
  .wa-btn-icon-nudge:hover .pro-fa-icon,
  .wa-btn-icon-nudge:hover .arco-icon { transform: none; }
}

/* ── 箭头飞过 ── */
.wa-btn-arrow-fly {
  display: inline-flex !important;
  align-items: center;
  gap: 0;
}
.wa-btn-arrow-fly__in,
.wa-btn-arrow-fly__out {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  height: 1em;
  line-height: 1;
  transition:
    width 0.3s cubic-bezier(0.25, 1, 0.5, 1),
    margin 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}
.wa-btn-arrow-fly__in {
  width: 0;
  margin-right: 0;
}
.wa-btn-arrow-fly__out {
  width: 1em;
  margin-left: 0.4em;
}
.wa-btn-arrow-fly__in .pro-fa-icon,
.wa-btn-arrow-fly__out .pro-fa-icon,
.wa-btn-arrow-fly__in .arco-icon,
.wa-btn-arrow-fly__out .arco-icon,
.wa-btn-arrow-fly__in i,
.wa-btn-arrow-fly__out i {
  display: inline-block;
  width: 1em;
  text-align: center;
  transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}
.wa-btn-arrow-fly__in .pro-fa-icon,
.wa-btn-arrow-fly__in .arco-icon,
.wa-btn-arrow-fly__in i {
  transform: translateX(-120%);
}
.wa-btn-arrow-fly:hover .wa-btn-arrow-fly__in {
  width: 1em;
  margin-right: 0.4em;
}
.wa-btn-arrow-fly:hover .wa-btn-arrow-fly__in .pro-fa-icon,
.wa-btn-arrow-fly:hover .wa-btn-arrow-fly__in .arco-icon,
.wa-btn-arrow-fly:hover .wa-btn-arrow-fly__in i {
  transform: translateX(0);
}
.wa-btn-arrow-fly:hover .wa-btn-arrow-fly__out {
  width: 0;
  margin-left: 0;
}
.wa-btn-arrow-fly:hover .wa-btn-arrow-fly__out .pro-fa-icon,
.wa-btn-arrow-fly:hover .wa-btn-arrow-fly__out .arco-icon,
.wa-btn-arrow-fly:hover .wa-btn-arrow-fly__out i {
  transform: translateX(120%);
}
@media (prefers-reduced-motion: reduce) {
  .wa-btn-arrow-fly__in,
  .wa-btn-arrow-fly__out,
  .wa-btn-arrow-fly__in i,
  .wa-btn-arrow-fly__out i {
    transition: none;
  }
}

/* ── 文案翻滚 ── */
.wa-btn-fx__roll {
  position: relative;
  display: block;
  height: 1.15em;
  overflow: hidden;
  line-height: 1.15em;
}
.wa-btn-fx__roll > span {
  display: block;
  transition: transform 0.2s ease-out;
}
.wa-btn-label-roll:hover .wa-btn-fx__roll > span {
  transform: translateY(-100%);
}

/* ── 注意力脉冲 ── */
.wa-btn-pulse {
  animation: wa-btn-pulse 1.8s ease-in-out infinite;
}
@keyframes wa-btn-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.045); }
}
@media (prefers-reduced-motion: reduce) {
  .wa-btn-pulse { animation: none; }
}

/* ── 圆形：中心填充 / 侧向擦入 / 对向夹入 ── */
.wa-btn-center-fill::before,
.wa-btn-side-sweep::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  background: var(--wa-color-surface, #fff);
  pointer-events: none;
  transition: transform 0.25s ease-out;
}
.wa-btn-center-fill::before {
  transform: scale(0);
}
.wa-btn-center-fill:hover::before {
  transform: scale(1);
}
.wa-btn-side-sweep::before {
  transform: translateX(-101%);
}
.wa-btn-side-sweep:hover::before {
  transform: translateX(0);
}
.arco-btn-primary.wa-btn-center-fill:hover,
.arco-btn-primary.wa-btn-side-sweep:hover,
.arco-btn-primary.wa-btn-pinch:hover {
  color: var(--wa-color-primary) !important;
  -webkit-text-fill-color: var(--wa-color-primary) !important;
  background-color: var(--wa-color-primary) !important;
  border-color: var(--wa-color-primary) !important;
}
.arco-btn-primary.wa-btn-center-fill:hover .arco-btn-icon,
.arco-btn-primary.wa-btn-side-sweep:hover .arco-btn-icon,
.arco-btn-primary.wa-btn-pinch:hover .arco-btn-icon,
.arco-btn-primary.wa-btn-center-fill:hover .pro-fa-icon,
.arco-btn-primary.wa-btn-side-sweep:hover .pro-fa-icon,
.arco-btn-primary.wa-btn-pinch:hover .pro-fa-icon {
  color: var(--wa-color-primary) !important;
}

.wa-btn-pinch::before,
.wa-btn-pinch::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  z-index: 0;
  height: 50%;
  background: var(--wa-color-surface, #fff);
  pointer-events: none;
  transition: transform 0.25s ease-out;
}
.wa-btn-pinch::before {
  top: 0;
  transform: translateY(-101%);
}
.wa-btn-pinch::after {
  bottom: 0;
  transform: translateY(101%);
}
.wa-btn-pinch:hover::before,
.wa-btn-pinch:hover::after {
  transform: translateY(0);
}

/* ── 填充滑出 / 收起 / 斜切（显式切字色，不用 mix-blend） ── */
/* 圆角毛边：静默态透明描边 + 主色底托底；伪层直角由宿主 overflow 裁切 */
.wa-btn-fill-out::before,
.wa-btn-fill-collapse::before,
.wa-btn-skew::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 0;
  pointer-events: none;
  background: var(--wa-color-primary);
  backface-visibility: hidden;
}
.wa-btn-fill-out,
.wa-btn-fill-collapse,
.wa-btn-skew {
  background-color: var(--wa-color-primary) !important;
  border-color: transparent !important;
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
}
.wa-btn-fill-out .wa-btn-fx__label,
.wa-btn-fill-collapse .wa-btn-fx__label,
.wa-btn-skew .wa-btn-fx__label {
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  transition: color 0.25s ease, -webkit-text-fill-color 0.25s ease;
}
.wa-btn-fill-out:hover,
.wa-btn-fill-collapse:hover,
.wa-btn-skew:hover {
  background-color: var(--wa-color-surface, #fff) !important;
  border-color: var(--wa-color-primary) !important;
  color: var(--wa-color-primary) !important;
  -webkit-text-fill-color: var(--wa-color-primary) !important;
}
.wa-btn-fill-out:hover .wa-btn-fx__label,
.wa-btn-fill-collapse:hover .wa-btn-fx__label,
.wa-btn-skew:hover .wa-btn-fx__label {
  color: var(--wa-color-primary) !important;
  -webkit-text-fill-color: var(--wa-color-primary) !important;
}
.wa-btn-fill-out::before {
  transition: transform 0.3s cubic-bezier(0.7, 0, 0.2, 1);
}
.wa-btn-fill-out:hover::before {
  transform: translateY(-101%);
}
.wa-btn-fill-collapse::before {
  transform-origin: right center;
  transition: transform 0.3s cubic-bezier(0.7, 0, 0.2, 1);
}
.wa-btn-fill-collapse:hover::before {
  transform-origin: left center;
  transform: scaleX(0);
}
.wa-btn-skew::before {
  top: -4px;
  bottom: -4px;
  left: -30%;
  width: 160%;
  height: auto;
  transform: skewX(30deg) translateX(0);
  transition: transform 0.4s cubic-bezier(0.3, 1, 0.8, 1);
}
.wa-btn-skew:hover::before {
  transform: skewX(30deg) translateX(100%);
}

/* ── 箭头变形 ── */
.wa-btn-arrow-morph {
  background-color: transparent !important;
  border-color: transparent !important;
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
}
.wa-btn-arrow-morph::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--wa-color-primary);
  clip-path: polygon(0% 0%, 100% 0, 100% 50%, 100% 100%, 0% 100%);
  transition: clip-path 0.4s cubic-bezier(0.2, 1, 0.8, 1);
}
.wa-btn-arrow-morph .wa-btn-fx__label {
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  transition: transform 0.4s cubic-bezier(0.2, 1, 0.8, 1);
}
.wa-btn-arrow-morph:hover::before {
  clip-path: polygon(0% 0%, 75% 0%, 100% 50%, 75% 100%, 0% 100%);
}
.wa-btn-arrow-morph:hover .wa-btn-fx__label {
  transform: translateX(-10px);
}

/* ── 形状漫溢 ── */
.wa-btn-shape-flood {
  transition: border-radius 0.3s cubic-bezier(0.7, 0, 0.2, 1), color 0.3s ease;
}
.wa-btn-shape-flood::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  background: var(--wa-color-primary);
  clip-path: inset(0 0 0 0 round 0);
  transition: clip-path 0.3s cubic-bezier(0.7, 0, 0.2, 1), background-color 0.3s ease;
}
.wa-btn-shape-flood:hover {
  border-radius: 999px !important;
  color: var(--wa-color-primary) !important;
  -webkit-text-fill-color: var(--wa-color-primary) !important;
  background-color: transparent !important;
  border-color: transparent !important;
}
.wa-btn-shape-flood:hover::before {
  background: var(--wa-color-surface, #fff);
  clip-path: circle(75% at 50% 50%);
}
.wa-btn-shape-flood:hover .wa-btn-fx__label {
  color: var(--wa-color-primary) !important;
  -webkit-text-fill-color: var(--wa-color-primary) !important;
}

/* ── 箭头擦过 ── */
.wa-btn-arrow-sweep::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 135%;
  z-index: 0;
  background: var(--wa-color-surface, #fff);
  clip-path: polygon(75% 0%, 100% 50%, 75% 100%, 0% 100%, 0% 0%);
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.7, 0, 0.2, 1);
}
.wa-btn-arrow-sweep:hover::before {
  transform: translateX(0);
}
.arco-btn-primary.wa-btn-arrow-sweep:hover {
  color: var(--wa-color-primary) !important;
  -webkit-text-fill-color: var(--wa-color-primary) !important;
  background-color: var(--wa-color-primary) !important;
  border-color: var(--wa-color-primary) !important;
}
.arco-btn-primary.wa-btn-arrow-sweep:hover .wa-btn-fx__label {
  color: var(--wa-color-primary) !important;
  -webkit-text-fill-color: var(--wa-color-primary) !important;
}

/* ── 圆点落下 ── */
.wa-btn-circle-drop::before {
  content: "";
  position: absolute;
  left: -10%;
  top: -110%;
  z-index: 0;
  width: 120%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--wa-color-surface, #fff);
  transform: translateY(68%) scale(0);
  transition: transform 0.4s cubic-bezier(0.1, 0, 0.3, 1);
}
.wa-btn-circle-drop:hover::before {
  transform: translateY(0) scale(1);
}
.arco-btn-primary.wa-btn-circle-drop:hover {
  color: var(--wa-color-primary) !important;
  -webkit-text-fill-color: var(--wa-color-primary) !important;
  background-color: var(--wa-color-primary) !important;
  border-color: var(--wa-color-primary) !important;
}
.arco-btn-primary.wa-btn-circle-drop:hover .wa-btn-fx__label {
  color: var(--wa-color-primary) !important;
  -webkit-text-fill-color: var(--wa-color-primary) !important;
}

/* ── 边框对换 ── */
.wa-btn-frame-swap {
  position: relative;
  isolation: isolate;
  background-color: transparent !important;
  border-color: transparent !important;
  color: #fff !important;
  overflow: visible !important;
}
.wa-btn-frame-swap::before,
.wa-btn-frame-swap::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  transition: transform 0.3s cubic-bezier(0.2, 1, 0.7, 1);
}
.wa-btn-frame-swap::before {
  background: var(--wa-color-primary);
}
.wa-btn-frame-swap::after {
  border: 2px solid var(--wa-color-primary);
  transform: scaleX(0.85) scaleY(0.65);
  background: transparent;
}
.wa-btn-frame-swap .wa-btn-fx__label {
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
}
.wa-btn-frame-swap:hover::before {
  transform: scaleX(0.9) scaleY(0.8);
}
.wa-btn-frame-swap:hover::after {
  transform: scale(1);
}

/* ── 缩放填充 ── */
.wa-btn-zoom-fill::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 0;
  width: 130%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--wa-color-surface, #fff);
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.4s cubic-bezier(0.1, 0, 0.3, 1);
}
.wa-btn-zoom-fill:hover {
  transform: scale(1.08);
}
.wa-btn-zoom-fill:hover::before {
  transform: translate(-50%, -50%) scale(1);
}
.arco-btn-primary.wa-btn-zoom-fill:hover {
  color: var(--wa-color-primary) !important;
  -webkit-text-fill-color: var(--wa-color-primary) !important;
  background-color: var(--wa-color-primary) !important;
  border-color: var(--wa-color-primary) !important;
}
.arco-btn-primary.wa-btn-zoom-fill:hover .wa-btn-fx__label {
  color: var(--wa-color-primary) !important;
  -webkit-text-fill-color: var(--wa-color-primary) !important;
}
.wa-btn-zoom-fill {
  transition: transform 0.4s cubic-bezier(0.1, 0, 0.3, 1);
}

/* ── 图标展开 ── */
.wa-btn-expand {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0 !important;
}
.wa-btn-expand .arco-btn-icon {
  margin: 0 !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.wa-btn-expand .arco-btn-icon .arco-icon,
.wa-btn-expand .arco-btn-icon .pro-fa-icon,
.wa-btn-expand .arco-btn-icon svg {
  display: block;
  margin: 0;
  line-height: 1;
  /* 齿轮等描边图标视觉重心偏上，略下移作光学居中 */
  transform: translateY(0.5px);
}
.wa-btn-expand .wa-btn-fx__label {
  display: inline-block;
  max-width: 0;
  width: 0;
  height: 0;
  opacity: 0;
  overflow: hidden;
  white-space: nowrap;
  margin: 0 !important;
  padding: 0 !important;
  line-height: 0;
  font-size: 0;
  vertical-align: middle;
  transition: max-width 0.35s ease, width 0.35s ease, opacity 0.25s ease, margin 0.35s ease;
}
.wa-btn-expand:hover .wa-btn-fx__label {
  max-width: 8em;
  width: auto;
  height: auto;
  opacity: 1;
  margin-left: 0.4em !important;
  line-height: 1;
  font-size: inherit;
}

/* ── 按压缩放 ── */
.wa-btn-tap {
  transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
  will-change: transform;
}
.wa-btn-tap:hover { transform: translateY(-1px); }
.wa-btn-tap:active {
  transform: scale(0.94);
  transition-duration: 0.08s;
}
@media (prefers-reduced-motion: reduce) {
  .wa-btn-tap:hover,
  .wa-btn-tap:active { transform: none; }
}

/* ── 波纹按压 ── */
.wa-btn-ripple__wave {
  position: absolute;
  z-index: 3;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(
    circle,
    color-mix(in srgb, #fff 78%, transparent) 0%,
    color-mix(in srgb, #fff 35%, transparent) 55%,
    transparent 70%
  );
  transform: scale(0);
  opacity: 0.9;
  animation: wa-btn-ripple-wave 0.65s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}
@keyframes wa-btn-ripple-wave {
  to { transform: scale(1); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .wa-btn-ripple__wave { animation: none; opacity: 0; }
}

/* ── 加号变关闭 ── */
.wa-btn-plus-close .pro-fa-icon,
.wa-btn-plus-close .arco-icon,
.wa-btn-plus-close svg {
  transition: transform 0.25s ease;
}
.wa-btn-plus-close.is-open .pro-fa-icon,
.wa-btn-plus-close.is-open .arco-icon,
.wa-btn-plus-close.is-open svg {
  transform: rotate(45deg);
}

/* ── 弹入进场 ── */
.wa-btn-bounce-in {
  animation: wa-btn-bounce-in 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes wa-btn-bounce-in {
  from { opacity: 0; transform: scale(0.6); }
  to { opacity: 1; transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .wa-btn-bounce-in { animation: none; }
}

.bfx-stage {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
}