/* =========================================================================
   ZaFeed 品牌语言 v4 · 弹层组件
   提示 Tooltip / 气泡 Popover / 下拉菜单 Menu / 选择器 Select /
   对话框 Modal / 抽屉 Drawer / 消息 Toast / 命令面板 Command
   规则：进入用 --zf-ease-out（快到稳），退出用 --zf-ease-in 且更短。
   ========================================================================= */

/* ---------------------------- Tooltip ---------------------------- */
/* 2026-11-09：提示与下拉的位置改用 left / top（--x / --y，不参与过渡）。原来位置写在 transform 里，
   第一次打开会从屏幕左上角飞过来、提示在两个按钮之间切换会横穿过去、滚动时下拉菜单拖着跟。 */
.zf-tip {
  position: fixed; z-index: var(--zf-z-tooltip); left: var(--x, 0); top: var(--y, 0); max-width: 280px;
  padding: 7px 11px; border-radius: 9px; background: var(--zf-ink-900); color: #E9F0F6;
  font-size: 12.5px; line-height: 1.5; font-weight: 500; pointer-events: none;
  box-shadow: 0 10px 24px -8px rgba(11, 31, 51, .45);
  opacity: 0; transform: translateY(var(--off, 4px)) scale(.97);
  transition: opacity 140ms var(--zf-ease-in), transform 140ms var(--zf-ease-in);
}
.zf-tip.is-open {
  opacity: 1; transform: none;
  transition: opacity var(--zf-dur-pop) var(--zf-ease-out), transform var(--zf-dur-pop) var(--zf-ease-out);
}
.zf-tip[data-pos="bottom"] { --off: -4px; }
.zf-tip::after {
  content: ""; position: absolute; left: var(--ax, 50%); width: 8px; height: 8px; background: inherit;
  transform: translateX(-50%) rotate(45deg); border-radius: 2px;
}
.zf-tip[data-pos="top"]::after { bottom: -3px; }
.zf-tip[data-pos="bottom"]::after { top: -3px; }
.zf-tip b { color: #fff; font-weight: 600; }

/* ---------------------------- Popover / Menu ---------------------------- */
.zf-pop {
  position: fixed; z-index: var(--zf-z-dropdown); left: var(--x, 0); top: var(--y, 0);
  min-width: 220px; padding: 8px; border-radius: var(--zf-r-md);
  background: var(--zf-glass-strong); -webkit-backdrop-filter: blur(24px) saturate(1.6); backdrop-filter: blur(24px) saturate(1.6);
  border: 1px solid rgb(var(--zf-shade-rgb) / .08); box-shadow: var(--zf-sh-inset), var(--zf-sh-3);
  transform-origin: var(--origin, top center);
  opacity: 0; visibility: hidden; transform: translateY(-6px) scale(.97);
  transition: opacity 140ms var(--zf-ease-in), transform 140ms var(--zf-ease-in), visibility 0s 140ms;
}
.zf-pop[data-pos="top"]:not(.is-open) { transform: translateY(6px) scale(.97); }
.zf-pop.is-open {
  opacity: 1; visibility: visible; transform: none;
  transition: opacity var(--zf-dur-pop) var(--zf-ease-out), transform var(--zf-dur-pop) var(--zf-ease-out), visibility 0s;
}
.zf-pop[data-pos="top"] { --origin: bottom center; }
.zf-pop--panel { padding: 18px 20px; width: 320px; }
.zf-pop__title { font-size: 14.5px; font-weight: 700; color: var(--zf-text); }
.zf-pop__desc { margin-top: 6px; font-size: 13.5px; color: var(--zf-text-2); line-height: 1.6; }

.zf-menu { display: grid; gap: 2px; }
.zf-menu__label { padding: 8px 10px 4px; font-size: 11.5px; font-weight: 600; letter-spacing: .08em; color: var(--zf-text-3); text-transform: uppercase; }
.zf-menu__sep { height: 1px; margin: 6px 4px; background: var(--zf-line); }
.zf-menu__item {
  display: flex; align-items: center; gap: 10px; width: 100%; min-height: 38px; padding: 0 10px;
  border-radius: 9px; font-size: 14px; color: var(--zf-text); text-align: left;
  transition: background-color 120ms var(--zf-ease), color 120ms var(--zf-ease);
}
.zf-menu__item svg { width: 17px; height: 17px; color: var(--zf-text-3); transition: color 120ms, transform var(--zf-dur-hover) var(--zf-ease-out); }
.zf-menu__item:hover, .zf-menu__item.is-active { background: var(--zf-green-50); color: var(--zf-green-800); }
.zf-menu__item:hover svg, .zf-menu__item.is-active svg { color: var(--zf-green-600); }
.zf-menu__item[aria-disabled="true"] { opacity: .45; pointer-events: none; }
.zf-menu__item .zf-menu__meta { margin-left: auto; font-size: 12px; color: var(--zf-text-3); }
.zf-menu__check { margin-left: auto; width: 16px; height: 16px; color: var(--zf-green-600); opacity: 0; transform: scale(.6); transition: opacity 160ms, transform 220ms var(--zf-ease-spring); }
.zf-menu__item[aria-checked="true"] .zf-menu__check { opacity: 1; transform: none; }
.zf-menu__item--danger { color: var(--zf-danger); }
.zf-menu__item--danger:hover { background: rgba(229, 72, 77, .08); color: #C9363B; }
.zf-menu__item--danger:hover svg { color: #C9363B; }

/* 选择器触发器 */
.zf-select {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 10px; height: 44px; min-width: 200px;
  padding: 0 12px 0 14px; border-radius: var(--zf-r-md); border: 1px solid var(--zf-line-2); background: var(--zf-surface);
  font-size: 14.5px; color: var(--zf-text); transition: border-color var(--zf-dur-hover), box-shadow var(--zf-dur-hover);
}
.zf-select:hover { border-color: var(--zf-ink-300); }
.zf-select[aria-expanded="true"] { border-color: var(--zf-green-500); box-shadow: var(--zf-focus); }
.zf-select svg { width: 16px; height: 16px; color: var(--zf-text-3); transition: transform var(--zf-dur-pop) var(--zf-ease-out); }
.zf-select[aria-expanded="true"] svg { transform: rotate(180deg); }

/* ---------------------------- 遮罩 ---------------------------- */
.zf-scrim {
  position: fixed; inset: 0; z-index: var(--zf-z-modal); background: rgba(11, 31, 51, .32);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden; transition: opacity 200ms var(--zf-ease-in), visibility 0s 200ms;
}
.zf-scrim.is-open { opacity: 1; visibility: visible; transition: opacity 280ms var(--zf-ease-out), visibility 0s; }

/* ---------------------------- Modal ---------------------------- */
.zf-modal {
  position: fixed; inset: 0; z-index: var(--zf-z-modal); display: grid; place-items: center; padding: 40px;
  visibility: hidden; pointer-events: none;
  /* 2026-11-09：关闭时等退场（遮罩 200ms、对话框 180ms）播完再隐藏；原来立即隐藏，退场动画看不到，像是闪掉 */
  transition: visibility 0s 200ms;
}
.zf-modal.is-open { visibility: visible; pointer-events: auto; transition: visibility 0s; }
.zf-modal__scrim {
  position: absolute; inset: 0; background: rgba(11, 31, 51, .34); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  opacity: 0; transition: opacity 200ms var(--zf-ease-in);
}
.zf-modal.is-open .zf-modal__scrim { opacity: 1; transition: opacity 280ms var(--zf-ease-out); }
.zf-modal__dialog {
  position: relative; width: 480px; max-height: calc(100vh - 80px); overflow: auto;
  border-radius: var(--zf-r-xl); background: var(--zf-surface); box-shadow: 0 40px 100px -30px rgba(11, 31, 51, .5), var(--zf-sh-2);
  opacity: 0; transform: translateY(14px) scale(.965);
  transition: opacity 180ms var(--zf-ease-in), transform 180ms var(--zf-ease-in);
}
.zf-modal.is-open .zf-modal__dialog {
  opacity: 1; transform: none;
  transition: opacity var(--zf-dur-layer) var(--zf-ease-out), transform var(--zf-dur-layer) var(--zf-ease-out);
}
.zf-modal__dialog--wide { width: 640px; }
.zf-modal__dialog--sm { width: 400px; }
.zf-modal__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 28px 28px 0; }
.zf-modal__title { font-size: 22px; line-height: 1.3; }
.zf-modal__sub { margin-top: 6px; font-size: 14px; color: var(--zf-text-2); }
.zf-modal__body { padding: 22px 28px; display: grid; gap: 16px; }
.zf-modal__foot { display: flex; justify-content: flex-end; gap: 10px; padding: 0 28px 28px; }
.zf-modal__close { margin: -6px -8px 0 0; }
.zf-modal__brand { width: 44px; height: 44px; margin-bottom: 16px; border-radius: 12px; }
/* 对话框内的确认图标 */
.zf-modal__icon {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; margin-bottom: 16px;
  background: rgba(229, 72, 77, .1); color: var(--zf-danger);
}
.zf-modal__icon svg { width: 24px; height: 24px; }

/* ---------------------------- Drawer ---------------------------- */
.zf-drawer { position: fixed; inset: 0; z-index: var(--zf-z-drawer); visibility: hidden; pointer-events: none; transition: visibility 0s 240ms; /* 等面板滑出（240ms）后再隐藏 */ }
.zf-drawer.is-open { visibility: visible; pointer-events: auto; transition: visibility 0s; }
.zf-drawer .zf-modal__scrim { background: rgba(11, 31, 51, .22); }
.zf-drawer.is-open .zf-modal__scrim { opacity: 1; transition: opacity 280ms var(--zf-ease-out); }
.zf-drawer__panel {
  position: absolute; top: 12px; right: 12px; bottom: 12px; width: 500px; display: flex; flex-direction: column;
  border-radius: var(--zf-r-xl); background: var(--zf-surface); box-shadow: -30px 0 80px -30px rgba(11, 31, 51, .45);
  transform: translateX(calc(100% + 24px)); transition: transform 240ms var(--zf-ease-in);
}
.zf-drawer.is-open .zf-drawer__panel { transform: none; transition: transform 420ms var(--zf-ease-out); }
.zf-drawer__head { display: flex; align-items: center; justify-content: space-between; padding: 22px 24px; border-bottom: 1px solid var(--zf-line); }
.zf-drawer__body { flex: 1; overflow: auto; padding: 24px; }
.zf-drawer__foot { display: flex; gap: 10px; justify-content: flex-end; padding: 18px 24px; border-top: 1px solid var(--zf-line); background: var(--zf-surface-2); border-radius: 0 0 var(--zf-r-xl) var(--zf-r-xl); }
/* 抽屉内容逐项入场 */
.zf-drawer [data-stagger] { opacity: 0; transform: translateX(16px); transition: opacity 300ms var(--zf-ease-out), transform 420ms var(--zf-ease-out); }
.zf-drawer.is-open [data-stagger] { opacity: 1; transform: none; transition-delay: calc(120ms + var(--i, 0) * 60ms); }

/* ---------------------------- Toast ---------------------------- */
.zf-toasts {
  position: fixed; z-index: var(--zf-z-toast); right: 24px; bottom: 24px; display: flex; flex-direction: column-reverse; gap: 10px;
  width: 380px; pointer-events: none;
}
.zf-toast {
  position: relative; overflow: hidden; display: grid; grid-template-columns: 32px 1fr auto; gap: 12px; align-items: start;
  padding: 14px 14px 16px; border-radius: var(--zf-r-md); pointer-events: auto;
  background: var(--zf-glass-strong); -webkit-backdrop-filter: blur(20px) saturate(1.6); backdrop-filter: blur(20px) saturate(1.6);
  border: 1px solid rgb(var(--zf-shade-rgb) / .08); box-shadow: var(--zf-sh-inset), var(--zf-sh-3);
  animation: zf-toast-in 420ms var(--zf-ease-out) both;
}
.zf-toast.is-leaving { animation: zf-toast-out 220ms var(--zf-ease-in) both; }
@keyframes zf-toast-in { from { opacity: 0; transform: translateY(16px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes zf-toast-out { to { opacity: 0; transform: translateX(24px) scale(.98); } }
.zf-toast__icon { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: var(--zf-green-50); color: var(--zf-green-600); }
.zf-toast__icon svg { width: 18px; height: 18px; }
.zf-toast--info .zf-toast__icon { background: rgba(43, 120, 240, .1); color: var(--zf-info); }
.zf-toast--warning .zf-toast__icon { background: rgba(224, 138, 0, .12); color: var(--zf-warning); }
.zf-toast--error .zf-toast__icon { background: rgba(229, 72, 77, .1); color: var(--zf-danger); }
.zf-toast__title { font-size: 14.5px; font-weight: 600; color: var(--zf-text); line-height: 1.4; padding-top: 5px; }
.zf-toast__desc { margin-top: 3px; font-size: 13px; color: var(--zf-text-2); line-height: 1.55; }
.zf-toast__action { margin-top: 8px; font-size: 13px; }
.zf-toast__close { width: 28px; height: 28px; margin: 2px -2px 0 0; }
.zf-toast__close svg { width: 15px; height: 15px; }
.zf-toast__bar {
  position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: currentColor; color: var(--zf-green-500); opacity: .5;
  transform-origin: left; animation: zf-toast-bar var(--life, 4500ms) linear both;
}
.zf-toast--info .zf-toast__bar { color: var(--zf-info); }
.zf-toast--warning .zf-toast__bar { color: var(--zf-warning); }
.zf-toast--error .zf-toast__bar { color: var(--zf-danger); }
.zf-toast:hover .zf-toast__bar { animation-play-state: paused; }
@keyframes zf-toast-bar { from { transform: scaleX(1); } to { transform: scaleX(0); } }
/* 成功勾：描线绘制 */
.zf-check-draw path { stroke-dasharray: 24; stroke-dashoffset: 24; animation: zf-draw 420ms 160ms var(--zf-ease-out) forwards; }
@keyframes zf-draw { to { stroke-dashoffset: 0; } }

/* ---------------------------- Command Palette ---------------------------- */
.zf-cmd .zf-modal__dialog { width: 640px; align-self: start; margin-top: 12vh; border-radius: var(--zf-r-lg); overflow: hidden; }
.zf-cmd .zf-modal__dialog { transform: translateY(-10px) scale(.98); }
.zf-cmd__input { display: flex; align-items: center; gap: 12px; height: 60px; padding: 0 18px; border-bottom: 1px solid var(--zf-line); }
.zf-cmd__input svg { width: 20px; height: 20px; color: var(--zf-text-3); flex: none; }
.zf-cmd__input input { flex: 1; height: 100%; border: 0; outline: 0; background: none; font-size: 16.5px; color: var(--zf-text); }
.zf-cmd__input input::placeholder { color: var(--zf-ink-300); }
.zf-cmd__list { max-height: 420px; overflow: auto; padding: 8px; }
.zf-cmd__group { padding: 10px 10px 6px; font-size: 11.5px; font-weight: 600; letter-spacing: .08em; color: var(--zf-text-3); }
.zf-cmd__item {
  display: flex; align-items: center; gap: 12px; width: 100%; height: 48px; padding: 0 12px; border-radius: 10px; text-align: left;
  font-size: 14.5px; color: var(--zf-text); transition: background-color 100ms;
}
.zf-cmd__item.is-active { background: var(--zf-green-50); }
.zf-cmd__item .zf-cmd__ico { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--zf-ink-50); color: var(--zf-text-2); font: 600 11px/1 var(--zf-mono); flex: none; }
.zf-cmd__item.is-active .zf-cmd__ico { background: var(--zf-surface); color: var(--zf-green-700); box-shadow: var(--zf-sh-1); }
.zf-cmd__item .zf-cmd__ico svg { width: 16px; height: 16px; }
.zf-cmd__sub { font-size: 12.5px; color: var(--zf-text-3); }
.zf-cmd__right { margin-left: auto; display: flex; align-items: center; gap: 10px; font-size: 13px; }
.zf-cmd__enter { opacity: 0; transition: opacity 100ms; }
.zf-cmd__item.is-active .zf-cmd__enter { opacity: 1; }
.zf-cmd__empty { padding: 40px; text-align: center; color: var(--zf-text-3); font-size: 14px; }
.zf-cmd__foot { display: flex; gap: 16px; align-items: center; height: 44px; padding: 0 16px; border-top: 1px solid var(--zf-line); background: var(--zf-surface-2); font-size: 12px; color: var(--zf-text-3); }
.zf-cmd__foot span { display: inline-flex; align-items: center; gap: 6px; }
.zf-cmd mark { background: none; color: var(--zf-green-700); font-weight: 700; }

/* ---------------------------- Accordion ---------------------------- */
.zf-acc__item { border-bottom: 1px solid var(--zf-line); }
.zf-acc__btn {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; padding: 22px 4px; text-align: left;
  font-size: 17px; font-weight: 600; color: var(--zf-text); transition: color var(--zf-dur-hover);
}
.zf-acc__btn:hover { color: var(--zf-green-700); }
.zf-acc__icon { position: relative; width: 28px; height: 28px; flex: none; border-radius: 50%; background: var(--zf-ink-50); transition: background-color var(--zf-dur-hover), transform var(--zf-dur-layer) var(--zf-ease-out); }
.zf-acc__icon::before, .zf-acc__icon::after { content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 1.6px; border-radius: 2px; background: currentColor; transform: translate(-50%, -50%); transition: transform var(--zf-dur-layer) var(--zf-ease-out); }
.zf-acc__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.zf-acc__btn:hover .zf-acc__icon { background: var(--zf-green-50); }
.zf-acc__item.is-open .zf-acc__icon { background: var(--zf-green-600); color: #fff; transform: rotate(180deg); }
.zf-acc__item.is-open .zf-acc__icon::after { transform: translate(-50%, -50%) rotate(0deg); }
.zf-acc__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--zf-dur-layer) var(--zf-ease-out); }
.zf-acc__item.is-open .zf-acc__panel { grid-template-rows: 1fr; }
.zf-acc__panel > div { overflow: hidden; }
.zf-acc__panel p { padding: 0 60px 24px 4px; font-size: 15px; color: var(--zf-text-2); line-height: 1.75; opacity: 0; transform: translateY(-6px); transition: opacity 200ms, transform 300ms var(--zf-ease-out); }
.zf-acc__item.is-open .zf-acc__panel p { opacity: 1; transform: none; transition-delay: 80ms; }
.zf-acc__panel p a { color: var(--zf-green-700); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 3px; transition: text-decoration-color var(--zf-dur-hover); }
.zf-acc__panel p a:hover { text-decoration-color: currentColor; }

/* 抽屉打开时，消息提示让出位置 */
.zf-toasts { transition: right var(--zf-dur-layer) var(--zf-ease-out); }
body:has(.zf-drawer.is-open) .zf-toasts { right: 536px; }

/* ---------------------------- 右侧悬浮客服栏 ---------------------------- */
.zf-dock {
  position: fixed; z-index: 70; right: 20px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 4px; width: 56px; padding: 6px;
  border-radius: 999px; background: var(--zf-glass-strong); -webkit-backdrop-filter: blur(20px) saturate(1.6); backdrop-filter: blur(20px) saturate(1.6);
  border: 1px solid rgb(var(--zf-shade-rgb) / .08); box-shadow: var(--zf-sh-inset), var(--zf-sh-3);
  animation: zf-dock-in 700ms 600ms var(--zf-ease-out) both;
}
@keyframes zf-dock-in { from { opacity: 0; transform: translate(24px, -50%); } to { opacity: 1; transform: translate(0, -50%); } }
.zf-dock__btn, .zf-dock__top {
  position: relative; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; color: var(--zf-text);
  transition: background-color var(--zf-dur-hover), color var(--zf-dur-hover), transform var(--zf-dur-press) var(--zf-ease);
}
.zf-dock__btn svg, .zf-dock__top svg { width: 21px; height: 21px; }
.zf-dock__btn:hover { background: var(--zf-green-50); color: var(--zf-green-700); }
.zf-dock__btn--tg:hover { background: rgba(42,171,238,.12); color: #1C8ED1; }
.zf-dock__btn--wa:hover { background: rgba(37,211,102,.14); color: #15A04A; }
.zf-dock__btn:active, .zf-dock__top:active { transform: scale(.9); }
.zf-dock__btn:hover > [data-icon] svg { animation: zf-dock-wiggle 520ms var(--zf-ease-spring); }
@keyframes zf-dock-wiggle { 0% { transform: rotate(0); } 30% { transform: rotate(-12deg) scale(1.08); } 60% { transform: rotate(8deg); } 100% { transform: none; } }
.zf-dock__btn--chat { background: var(--zf-green-600); color: #fff; box-shadow: 0 8px 18px -8px rgba(0,144,74,.6); }
.zf-dock__btn--chat:hover, .zf-dock__btn--chat.is-open { background: var(--zf-green-700); color: #fff; }
.zf-dock__dot { position: absolute; top: 7px; right: 7px; width: 9px; height: 9px; border-radius: 50%; background: #FF5A4E; border: 2px solid var(--zf-green-600); }
.zf-dock__btn--chat.is-read .zf-dock__dot { display: none; }
.zf-dock__sep { width: 24px; height: 1px; margin: 4px 0; background: var(--zf-line); transition: opacity var(--zf-dur-pop); }
/* 悬停展开的联系方式 */
.zf-dock__fly {
  position: absolute; right: calc(100% + 16px); top: 50%; display: grid; gap: 1px; min-width: 200px; padding: 11px 14px; border-radius: 14px; text-align: left; white-space: nowrap;
  background: var(--zf-surface); border: 1px solid var(--zf-line); box-shadow: var(--zf-sh-3); pointer-events: none;
  opacity: 0; transform: translate(8px, -50%) scale(.97); transform-origin: right center;
  transition: opacity 140ms var(--zf-ease-in), transform 140ms var(--zf-ease-in);
}
.zf-dock__fly::after { content: ""; position: absolute; right: -5px; top: 50%; width: 10px; height: 10px; background: var(--zf-surface); border-right: 1px solid var(--zf-line); border-top: 1px solid var(--zf-line); transform: translateY(-50%) rotate(45deg); border-radius: 2px; }
.zf-dock__btn:hover .zf-dock__fly, .zf-dock__btn:focus-visible .zf-dock__fly { opacity: 1; transform: translate(0, -50%); transition: opacity var(--zf-dur-pop) var(--zf-ease-out), transform var(--zf-dur-pop) var(--zf-ease-out); }
.zf-dock__fly b { font-size: 14px; color: var(--zf-text); }
.zf-dock__fly span { font: 500 13px var(--zf-mono); color: var(--zf-text-2); }
.zf-dock__fly small { font-size: 12px; color: var(--zf-text-3); }
.zf-dock__btn--chat.is-open .zf-dock__fly { display: none; }
/* 返回顶部：滚动进度环，未滚动时收起 */
.zf-dock__topwrap { display: grid; grid-template-rows: 0fr; opacity: 0; transition: grid-template-rows var(--zf-dur-layer) var(--zf-ease-out), opacity var(--zf-dur-pop); }
.zf-dock__topwrap > div { overflow: hidden; display: flex; flex-direction: column; align-items: center; }
.zf-dock.is-scrolled .zf-dock__topwrap { grid-template-rows: 1fr; opacity: 1; }
.zf-dock__top:hover { background: var(--zf-ink-50); color: var(--zf-green-700); }
.zf-dock__top:hover [data-icon] svg { transform: translateY(-2px); transition: transform var(--zf-dur-hover) var(--zf-ease-out); }
.zf-dock__ring { position: absolute; inset: 2px; width: 40px !important; height: 40px !important; transform: rotate(-90deg); }
.zf-dock__ring circle { fill: none; stroke-width: 2; }
.zf-dock__ring .bg { stroke: var(--zf-line); }
.zf-dock__ring .fg { stroke: var(--zf-green-500); stroke-linecap: round; stroke-dasharray: 119.4; stroke-dashoffset: 119.4; transition: stroke-dashoffset 120ms linear; }

/* 在线客服窗口 */
.zf-chat {
  position: fixed; z-index: 75; right: 92px; top: 50%; width: 360px; height: 500px; display: flex; flex-direction: column;
  border-radius: var(--zf-r-xl); background: var(--zf-surface); border: 1px solid var(--zf-line); box-shadow: 0 40px 90px -30px rgba(11,31,51,.45), var(--zf-sh-2); overflow: hidden;
  transform-origin: right center; opacity: 0; visibility: hidden; transform: translate(16px, -50%) scale(.96);
  transition: opacity 180ms var(--zf-ease-in), transform 180ms var(--zf-ease-in), visibility 0s 180ms;
}
.zf-chat.is-open { opacity: 1; visibility: visible; transform: translate(0, -50%); transition: opacity 300ms var(--zf-ease-out), transform 420ms var(--zf-ease-out), visibility 0s; }
.zf-chat__head { display: flex; align-items: center; gap: 12px; padding: 16px 16px 16px 18px; background: linear-gradient(135deg, var(--zf-ink-800), #12385A); color: #fff; }
.zf-chat__head img { width: 38px; height: 38px; border-radius: 11px; background: #fff; }
.zf-chat__head b { display: block; font-size: 15px; }
.zf-chat__head small { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #A9BCCD; }
.zf-chat__head .zf-live { width: 7px; height: 7px; }
.zf-chat__head .zf-iconbtn { margin-left: auto; color: #A9BCCD; }
.zf-chat__head .zf-iconbtn:hover { background: rgba(255,255,255,.1); color: #fff; }
.zf-chat__body { flex: 1; overflow: auto; padding: 18px 16px; display: flex; flex-direction: column; gap: 10px; background: var(--zf-surface-2); }
.zf-msg { max-width: 82%; padding: 10px 13px; border-radius: 14px; font-size: 13.5px; line-height: 1.6; animation: zf-msg-in 360ms var(--zf-ease-out) both; }
@keyframes zf-msg-in { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }
.zf-msg--in { align-self: flex-start; background: var(--zf-surface); border: 1px solid var(--zf-line); color: var(--zf-text); border-bottom-left-radius: 4px; }
.zf-msg--out { align-self: flex-end; background: var(--zf-green-600); color: #fff; border-bottom-right-radius: 4px; }
.zf-msg--typing { display: inline-flex; padding: 12px 14px; }
.zf-chat__quick { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px 14px 0; background: var(--zf-surface-2); }
.zf-chat__quick button { height: 28px; padding: 0 11px; border-radius: 99px; border: 1px solid var(--zf-green-200); background: var(--zf-surface); color: var(--zf-green-700); font-size: 12.5px; font-weight: 500; transition: background-color var(--zf-dur-hover), border-color var(--zf-dur-hover); }
.zf-chat__quick button:hover { background: var(--zf-green-50); border-color: var(--zf-green-400); }
.zf-chat__form { display: flex; gap: 8px; padding: 12px 14px 14px; background: var(--zf-surface-2); }
.zf-chat__form .zf-input { height: 42px; border-radius: 99px; font-size: 14px; }
.zf-chat__form .zf-iconbtn { flex: none; width: 42px; height: 42px; background: var(--zf-green-600); color: #fff; }
.zf-chat__form .zf-iconbtn:hover { background: var(--zf-green-700); color: #fff; }
.zf-chat__note { padding: 0 14px 10px; background: var(--zf-surface-2); font-size: 11.5px; color: var(--zf-text-3); text-align: center; }
/* 消息提示让出客服栏位置 */
.zf-toasts { right: 96px; }