/* 首页：英雄区（两栏 + 可拖拽对比滑杆）、能力条、特性网格、数据带、安装区。
   布局类名与规则取自 impeccable.style，配色与阴影走 kinpaku 令牌。 */

/* ---------- 英雄区 ---------- */

.hero {
  --hero-spine: clamp(56px, calc(120px - (1440px - 100vw) * 0.139), 120px);
  padding: var(--ks-section-pad) 0 48px;
  align-items: center;
  display: grid;
  position: relative;
  overflow: visible;
}

/* 英雄区粒子场：铺满整个英雄区，压在文案与面板之下 */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .hero-particles {
    display: none;
  }
}

.hero-container {
  --hero-shift: clamp(0px, (100vw - 1000px) * 0.2, 90px);
  translate: calc(-1 * var(--hero-shift)) 0;
  z-index: 1;
  column-gap: var(--hero-spine);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 clamp(22px, 4vw, 56px);
  display: grid;
  position: relative;
}

.hero-left {
  grid-area: 1 / 2;
  align-content: center;
  justify-self: start;
  gap: 28px;
  width: 100%;
  max-width: 620px;
  display: grid;
}

.hero-title {
  max-width: 7.6em;
  color: var(--ks-ink);
  font-family: "Alumni Sans Hero", "Alumni Sans", var(--ks-font);
  font-weight: var(--ks-type-display-weight);
  font-size: var(--ks-type-display-size);
  line-height: var(--ks-type-display-line);
  letter-spacing: var(--ks-type-display-track);
  text-wrap: balance;
  margin: 0;
}

.hero-title .hero-mark {
  background-image: linear-gradient(var(--ks-gold-line), var(--ks-gold-line));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 0.06em;
  animation: hero-mark-draw 0.9s ease forwards;
}

@keyframes hero-mark-draw {
  to {
    background-size: 100% 0.06em;
  }
}

.hero-body {
  color: var(--ks-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizelegibility;
  max-width: 56ch;
  margin: 0;
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.6;
  text-wrap: pretty;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 4px;
  display: flex;
}

.hero-logos {
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  display: flex;
}

.hero-chip {
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-pill);
  background: var(--ks-paper-raised);
  color: var(--ks-text-muted);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-mono-size);
  letter-spacing: 0.04em;
  padding: 5px 11px;
  transition: color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}

.hero-chip:hover {
  color: var(--ks-ink);
  border-color: var(--ks-ink);
}

.hero-logos-caption {
  color: var(--ks-text-muted);
  flex-basis: 100%;
  margin-top: 2px;
  font-size: 0.8125rem;
  line-height: 1.55;
  display: none;
}

.hero-right {
  grid-area: 1 / 1;
  justify-self: end;
  width: 100%;
  min-width: 0;
  max-width: 640px;
  position: relative;
}

/* ---------- 对比滑杆 ---------- */

/* 注册后才能对 --proof-position 做平滑插值动画 */
@property --proof-position {
  syntax: "<percentage>";
  inherits: true;
  initial-value: 50%;
}

.hero-proof {
  --proof-position: 71%;
  --proof-after-surface: var(--ks-paper);
  width: min(100%, 640px);
  color: var(--ks-ink);
  justify-items: center;
  margin-inline: auto 0;
  display: grid;
}

.hero-proof-stage {
  --demo-thread-h: 340px;
  --proof-card-h: calc(var(--demo-thread-h) + 2px);
  --proof-pad-top: 16px;
  --proof-pad-bottom: 42px;
  height: calc(var(--proof-card-h) + var(--proof-pad-top) + var(--proof-pad-bottom));
  background: 0 0;
  border: 0;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  position: relative;
  overflow: visible;
}

.hero-proof-panel,
.hero-proof-layer {
  position: absolute;
  inset: 0;
}

.hero-proof-panel[hidden] {
  display: none;
}

.hero-proof-layer {
  background: 0 0;
}

.hero-proof-layer--before {
  z-index: 1;
  overflow: visible;
}

.hero-proof-layer--after {
  z-index: 2;
  background: var(--proof-after-surface);
  clip-path: inset(-48px -48px -48px var(--proof-position));
  overflow: visible;
}

.hero-proof-canvas {
  padding: var(--proof-pad-top) 0 var(--proof-pad-bottom) clamp(34px, 4.5vw, 54px);
  place-items: start end;
  display: grid;
  position: absolute;
  inset: 0;
}

.hero-proof-canvas > article {
  width: min(430px, 100% - 96px);
  position: relative;
  overflow: visible;
}

.hero-proof-side-label {
  z-index: 3;
  pointer-events: none;
  width: 80px;
  height: 80px;
  position: absolute;
  overflow: visible;
}

.hero-proof-side-label text {
  fill: var(--ks-text-muted);
  font-family: var(--ks-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 500;
}

.hero-proof-side-label--before {
  top: -40px;
  left: -40px;
}

.hero-proof-side-label--after {
  bottom: -40px;
  right: -40px;
}

.hero-proof-seam {
  z-index: 7;
  top: calc(var(--proof-pad-top) - 18px);
  bottom: calc(var(--proof-pad-bottom) - 18px);
  left: var(--proof-position);
  background: var(--ks-kinpaku);
  pointer-events: none;
  width: 2px;
  height: auto;
  position: absolute;
  transform: translate(-50%);
}

.hero-proof-seam:after {
  content: "";
  background-color: var(--ks-paper-raised);
  width: 30px;
  height: 20px;
  box-shadow: var(--ks-cap-lift), 0 0 0 2px var(--ks-paper), 0 0 0 4px var(--ks-kinpaku);
  background-image: repeating-linear-gradient(90deg, #0000 0 3px, oklch(13% 0 0 / 0.3) 3px 4px);
  background-position: 50%;
  background-repeat: no-repeat;
  background-size: 12px 9px;
  border-radius: 5px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero-proof-panel:focus-within .hero-proof-seam:after {
  box-shadow: var(--ks-cap-lift), 0 0 0 2px var(--ks-paper), 0 0 0 5px var(--ks-kinpaku);
}

.hero-proof-panel.is-dragging .hero-proof-seam:after {
  box-shadow: var(--ks-cap-press), 0 0 0 2px var(--ks-paper), 0 0 0 4px var(--ks-kinpaku);
}

/* 自动扫描：小黄条在卡片上来回轻扫，用户一动手就停 */

@keyframes proof-peek {
  0%,
  62%,
  to {
    --proof-position: 71%;
  }
  18% {
    --proof-position: 81%;
  }
  44% {
    --proof-position: 67%;
  }
}

.hero-proof-panel.is-peeking {
  animation: 5.2s cubic-bezier(0.45, 0, 0.2, 1) infinite proof-peek;
}

@media (prefers-reduced-motion: reduce) {
  .hero-proof-panel.is-peeking {
    animation: none;
  }
}

.hero-proof-range,
.hero-proof-drag {
  z-index: 8;
  cursor: ew-resize;
  opacity: 0;
  touch-action: pan-y;
  width: 100%;
  height: 100%;
  margin: 0;
  position: absolute;
  inset: 0;
}

.hero-proof-range {
  pointer-events: none;
  appearance: none;
}

.hero-proof-range::-webkit-slider-thumb {
  appearance: none;
  width: 0;
  height: 100%;
}

.hero-proof-range::-moz-range-thumb {
  border: 0;
  width: 0;
  height: 100%;
}

/* ---------- 对比聊天框 ---------- */

.hero-chat {
  position: relative;
  overflow: visible;
}

.hero-chat--before .demo-chat {
  background: var(--ks-paper-deep);
  border-style: dashed;
  border-color: var(--ks-gray-2);
}

.hero-chat--after .demo-chat {
  box-shadow: var(--ks-lift-1);
}

/* ---------- 能力滚动条 ---------- */

.marquee {
  position: relative;
  border-block: 1px solid var(--ks-rule);
  background: var(--ks-paper-raised);
  overflow: hidden;
  padding-block: 14px;
  mask-image: linear-gradient(90deg, transparent, oklch(0% 0 0) 8%, oklch(0% 0 0) 92%, transparent);
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 42s linear infinite;
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
  padding-inline: clamp(10px, 1.5vw, 20px);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-mono-size);
  letter-spacing: var(--ks-type-mono-track);
  text-transform: uppercase;
  color: var(--ks-text-muted);
  white-space: nowrap;
}

.marquee__item::after {
  content: "";
  width: 5px;
  height: 5px;
  transform: rotate(45deg);
  background: var(--ks-kinpaku);
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track {
    animation: none;
  }
}

/* ---------- 仪器条：照搬 impeccable.style 的 .ks-instrument-strip 规则 ---------- */

.ks-instrument-strip {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--ks-instrument-deep);
  border-radius: var(--ks-radius-pill);
  background: var(--ks-instrument);
  box-shadow: inset 0 1px 0 var(--ks-instrument-rule), var(--ks-lift-1);
}

/* 滑动的 thumb 单独一层，其余内容压在它上面 */
.ks-instrument-strip > :not(.ks-thumb) {
  position: relative;
  z-index: 2;
}

.ks-instrument-strip.is-paper {
  background: var(--ks-gray);
  border-color: transparent;
  box-shadow: var(--ks-track-recess);
}

.ks-instrument-key {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: var(--ks-control-lg);
  min-height: var(--ks-control-lg);
  padding: 0 14px 0 12px;
  border: 0;
  border-radius: var(--ks-radius-pill);
  background: 0 0;
  color: var(--ks-instrument-muted);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-label-size);
  letter-spacing: 0.02em;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--ks-quick) var(--ks-ease), background-color var(--ks-quick) var(--ks-ease);
}

/* 键前面那颗指示灯 */
.ks-instrument-key:before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ks-instrument-raised);
  box-shadow: inset 0 0 0 1px var(--ks-instrument-rule);
  transition: background-color var(--ks-quick) var(--ks-ease), box-shadow var(--ks-quick) var(--ks-ease);
}

.ks-instrument-key:hover,
.ks-instrument-key:focus-visible {
  color: var(--ks-instrument-text);
}

.ks-instrument-key:focus-visible {
  outline: 2px solid var(--ks-focus-ring);
  outline-offset: 2px;
}

.ks-instrument-key.is-active,
.ks-instrument-key[aria-selected="true"] {
  color: var(--ks-instrument-text);
  background: var(--ks-instrument-raised);
  box-shadow: inset 0 1px 0 var(--ks-instrument-edge), var(--ks-key-lift);
}

.ks-instrument-key.is-active:before,
.ks-instrument-key[aria-selected="true"]:before {
  background: var(--ks-kinpaku);
  box-shadow: var(--ks-indicator-glow);
}

/* 纸面变体：浅底、凹槽感，选中的那颗指示灯转成 patina */

.ks-instrument-strip.is-paper .ks-instrument-key {
  color: var(--ks-text-muted);
}

.ks-instrument-strip.is-paper .ks-instrument-key:before {
  background: var(--ks-gray-2);
  box-shadow: inset 0 1px 1px oklch(13% 0 0 / 0.18);
}

.ks-instrument-strip.is-paper .ks-instrument-key:hover,
.ks-instrument-strip.is-paper .ks-instrument-key:focus-visible {
  color: var(--ks-ink);
}

.ks-instrument-strip.is-paper .ks-instrument-key:active {
  box-shadow: var(--ks-cap-press);
  transform: translateY(1px);
}

.ks-instrument-strip.is-paper .ks-instrument-key.is-active,
.ks-instrument-strip.is-paper .ks-instrument-key[aria-selected="true"],
.ks-instrument-strip.is-paper .ks-instrument-key[aria-pressed="true"] {
  color: var(--ks-ink);
  background: var(--ks-paper-raised);
  box-shadow: var(--ks-cap-lift);
}

.ks-instrument-strip.is-paper .ks-instrument-key.is-active:before,
.ks-instrument-strip.is-paper .ks-instrument-key[aria-selected="true"]:before,
.ks-instrument-strip.is-paper .ks-instrument-key[aria-pressed="true"]:before {
  background: var(--ks-patina);
  box-shadow: 0 0 0 1px oklch(13% 0 0 / 0.12), 0 0 4px color-mix(in oklch, var(--ks-patina) 60%, transparent);
}

.ks-instrument-strip.is-paper .ks-instrument-key:focus-visible {
  outline: 2px solid var(--ks-focus-ring);
  outline-offset: 1px;
}

/* thumb：滑动的高亮块，位置和宽度由脚本写进去 */

.ks-thumb {
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 0;
  z-index: 1;
  width: 0;
  border-radius: var(--ks-radius-pill);
  background: var(--ks-instrument-raised);
  box-shadow: inset 0 1px 0 var(--ks-instrument-edge), var(--ks-key-lift);
  pointer-events: none;
  transition: transform 0.36s cubic-bezier(0.22, 1, 0.3, 1);
}

.ks-instrument-strip.is-paper .ks-thumb {
  background: var(--ks-paper-raised);
  box-shadow: var(--ks-cap-lift);
}

/* 有 thumb 的时候，高亮全交给它，键自己保持平坦 */

.ks-instrument-strip.has-thumb .ks-instrument-key,
.ks-instrument-strip.has-thumb .ks-instrument-key.is-active,
.ks-instrument-strip.has-thumb .ks-instrument-key[aria-selected="true"],
.ks-instrument-strip.has-thumb .ks-instrument-key[aria-pressed="true"] {
  background: 0 0;
  box-shadow: none;
  transform: none;
  transition: color 0.12s var(--ks-ease);
}

/* ---------- 演示动画：打字 vs 一键 ---------- */

/* 场景开关：AI + 后面挂一个用左右箭头循环切换的小胶囊 */

.demo-switch {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 24px;
}

.demo-switch-affix {
  font: 500 var(--ks-type-mono-size) var(--ks-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ks-text-muted);
}

.demo-switch-label {
  min-width: 92px;
  padding: 0 6px;
  font: 500 var(--ks-type-small-size) var(--ks-font);
  letter-spacing: 0.02em;
  text-align: center;
  white-space: nowrap;
  color: var(--ks-ink);
}

.demo-switch-arrow {
  display: grid;
  place-items: center;
  flex: none;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: var(--ks-radius-pill);
  background: 0 0;
  color: var(--ks-kinpaku-deep);
  cursor: pointer;
  transition: background-color var(--ks-quick) var(--ks-ease), color var(--ks-quick) var(--ks-ease);
}

.demo-switch-arrow svg {
  display: block;
  width: 15px;
  height: 15px;
}

.demo-switch-arrow:hover {
  background: color-mix(in oklch, var(--ks-kinpaku) 24%, transparent);
  color: var(--ks-ink);
}

.demo-switch-arrow:focus-visible {
  outline: 2px solid var(--ks-focus-ring);
  outline-offset: 1px;
}

/* 两个视图各自成块：切到哪个就显示哪个，不互相拉伸。
   --demo-thread-h 放在这里，Before 卡和 Now 会话框的消息区高度就完全一致 */
.demo-stage {
  --demo-thread-h: 400px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 16px;
}

.demo-compare[hidden],
.demo-workbench[hidden] {
  display: none;
}

/* Before 只留一个和 Now 一样的会话框：居中，宽度收成对话框的样子。
   width:100% 是必须的：grid 项一旦两侧 auto margin，尺寸就变成 shrink-to-fit，
   会跟着里面打进去的文字一起变宽 —— 写死 100%（再被 max-width 封顶）才稳 */
.demo-compare {
  width: 100%;
  max-width: 620px;
  margin-inline: auto;
}

/* 输入条往上长：容器总高锁死，会话区随之收窄，框本身高度不跳动 */
.demo-compare .custom-chat {
  grid-template-rows: auto minmax(0, 1fr) auto;
  /* 头部 + 输入条一行的高度，和 Now 那个会话框的算法一致 */
  height: calc(var(--demo-thread-h, 400px) + var(--demo-chrome-h, 153px));
}

.demo-compare .demo-thread {
  height: auto;
  min-height: 0;
}

/* 三场景按钮下面那行小字：自己写一个插件，点进 docs */
.demo-own {
  margin: 12px 0 0;
  text-align: center;
}

.demo-own a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 1px;
  border-bottom: 1px dashed var(--ks-gold-line);
  color: var(--ks-text-muted);
  font-size: var(--ks-type-small-size);
  text-decoration: none;
  transition: color var(--ks-quick) var(--ks-ease), border-color var(--ks-quick) var(--ks-ease);
}

.demo-own a:hover {
  color: var(--ks-ink);
  border-color: var(--ks-ink);
}

.demo-own-arrow {
  transition: translate var(--ks-quick) var(--ks-ease);
}

.demo-own a:hover .demo-own-arrow {
  translate: 3px 0;
}

/* Before / Now 切换就是一条纸面仪器条：样式全交给 .ks-instrument-*，
   这里只负责把它居中摆好 */
.demo-compare-tabs {
  display: flex;
  width: max-content;
  margin: 36px auto 0;
}

/* 工作台：左＝按场景挂进来的插件界面，右＝会话框。整体收窄一点并居中。
   和 .demo-compare 同理：宽度必须写死，auto margin 才不会让它缩成 fit-content */
.demo-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  align-items: stretch;
  gap: 16px;
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
}

/* 演示用的假光标：从角落滑到插件里的按钮上按一下 */
.demo-cursor {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 9;
  width: 20px;
  height: 20px;
  translate: var(--cx, 0px) var(--cy, 0px);
  opacity: 0;
  pointer-events: none;
  transition: translate 0.75s cubic-bezier(0.45, 0, 0.2, 1), opacity 0.2s var(--ks-ease),
    scale 0.16s var(--ks-ease);
}

.demo-cursor.is-jump {
  transition: none;
}

.demo-cursor.is-in {
  opacity: 1;
}

.demo-cursor.is-click {
  scale: 0.84;
}

.demo-cursor svg {
  display: block;
  width: 20px;
  height: 20px;
  fill: var(--ks-ink);
  filter: drop-shadow(0 2px 3px oklch(0% 0 0 / 0.3));
}

.demo-cursor::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 2px;
  width: 24px;
  height: 24px;
  border: 2px solid var(--ks-kinpaku);
  border-radius: 50%;
  opacity: 0;
}

.demo-cursor.is-click::after {
  animation: demo-click 0.5s var(--ks-ease) forwards;
}

@keyframes demo-click {
  0% {
    opacity: 0.85;
    scale: 0.25;
  }
  to {
    opacity: 0;
    scale: 1.15;
  }
}

@media (prefers-reduced-motion: reduce) {
  .demo-cursor {
    display: none;
  }
}

.demo-card-kicker {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-mono-size);
  letter-spacing: var(--ks-type-mono-track);
  text-transform: uppercase;
  color: var(--ks-text-muted);
}

.demo-card-tag {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-mono-size);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ks-text-faint);
}

/* 左卡：聊天框里把整份简报打进去 */

.demo-chat {
  display: grid;
  grid-template-rows: 1fr;
  overflow: hidden;
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  background: var(--ks-paper);
}

.demo-thread {
  display: grid;
  align-content: start;
  gap: 10px;
  height: var(--demo-thread-h, 320px);
  padding: 13px;
  background: var(--ks-paper-deep);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--ks-gray-2) transparent;
}

.demo-thread::-webkit-scrollbar {
  width: 6px;
}

.demo-thread::-webkit-scrollbar-track {
  background: 0 0;
}

.demo-thread::-webkit-scrollbar-thumb {
  border-radius: var(--ks-radius-pill);
  background: var(--ks-gray-2);
}

.demo-thread::-webkit-scrollbar-thumb:hover {
  background: var(--ks-text-faint);
}

.demo-bubble {
  max-width: 88%;
  margin: 0;
  padding: 9px 12px;
  border-radius: var(--ks-radius-md);
  font-size: 0.8125rem;
  line-height: 1.65;
}

.demo-bubble--agent {
  justify-self: start;
  border: 1px solid var(--ks-rule);
  background: var(--ks-paper-raised);
  color: var(--ks-text);
}

.demo-bubble--user {
  justify-self: end;
  border: 1px solid var(--ks-ink);
  background: var(--ks-paper-raised);
  color: var(--ks-ink);
  font-family: var(--ks-mono);
  line-height: 1.75;
  overflow-wrap: anywhere;
}

/* 长简报里被点名的 skill：紫色荧光笔涂出来的圆角框 */

.demo-skill {
  padding: 0 4px 1px;
  border: 1px solid var(--ks-mark-edge);
  border-radius: 4px;
  background: var(--ks-mark);
  color: var(--ks-mark-ink);
  font-family: var(--ks-mono);
  font-weight: 500;
  line-height: 1.35;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* 用户侧多出来的、标着 Auto 的气泡 */

.demo-auto {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Auto 气泡是系统补的信息，比用户气泡明显矮一头 */

.demo-bubble--auto {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 2px 6px;
  max-width: 94%;
  padding: 4px 9px;
  border-style: dashed;
  border-color: var(--ks-gold-line);
  background: color-mix(in oklch, var(--ks-kinpaku), transparent 93%);
  font-size: 0.6875rem;
  line-height: 1.4;
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 0.28s var(--ks-ease), transform 0.28s var(--ks-ease);
}

.demo-bubble--auto.is-in {
  opacity: 1;
  transform: none;
}

/* 会话框里 PurrCat 的回复同样逐条淡入 */
[data-demo-msgs] > .demo-bubble--agent {
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 0.3s var(--ks-ease), transform 0.3s var(--ks-ease);
}

[data-demo-msgs] > .demo-bubble--agent.is-in {
  opacity: 1;
  transform: none;
}

.demo-auto-tag {
  flex: none;
  padding: 1px 6px;
  border-radius: var(--ks-radius-pill);
  background: var(--ks-ink);
  color: var(--ks-paper-raised);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.demo-auto-key {
  flex: none;
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ks-text-faint);
}

.demo-auto-val {
  min-width: 0;
  font-family: var(--ks-mono);
  color: var(--ks-patina-ink);
  overflow-wrap: anywhere;
}

/* ---------- 特性网格 ---------- */

.features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feature {
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  background: var(--ks-paper-raised);
  padding: 24px;
  display: grid;
  gap: 12px;
  align-content: start;
  transition: border-color var(--ks-settle) var(--ks-ease), box-shadow var(--ks-settle) var(--ks-ease);
}

.feature:hover {
  border-color: var(--ks-patina);
  box-shadow: var(--ks-lift-2);
}

.feature--wide {
  grid-column: span 2;
}

.feature__index {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-mono-size);
  letter-spacing: var(--ks-type-mono-track);
  color: var(--ks-kinpaku-deep);
}

.feature__title {
  font-family: var(--ks-font);
  font-size: var(--ks-type-lead-size);
  font-weight: 500;
  color: var(--ks-ink);
}

.feature__quote {
  border-left: 2px solid var(--ks-kinpaku);
  padding-left: 12px;
  font-size: 0.875rem;
  color: var(--ks-ink);
}

.feature__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.feature__list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.875rem;
  color: var(--ks-text);
  line-height: 1.6;
}

.feature__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ks-patina);
}

.feature__list b {
  color: var(--ks-ink);
  font-weight: 500;
}

/* ---------- 安装区：装配手册 ---------- */

.downloads-top {
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  align-items: start;
  gap: 48px 80px;
  display: grid;
}

.downloads-head {
  justify-items: start;
  gap: 18px;
  max-width: 34ch;
  display: grid;
}

.downloads-title {
  color: var(--ks-ink);
  font-family: var(--ks-font-display);
  font-weight: var(--ks-type-headline-weight);
  font-size: var(--ks-type-headline-size);
  line-height: var(--ks-type-headline-line);
  letter-spacing: var(--ks-type-headline-track);
  text-wrap: balance;
  margin: 0;
}

.downloads-lead {
  color: var(--ks-text);
  font-size: var(--ks-type-lead-size);
  margin: 0;
  line-height: 1.5;
}

.downloads-install {
  gap: 36px;
  width: 100%;
  min-width: 0;
  max-width: 720px;
  display: grid;
}

.downloads-install[data-install-flow] {
  gap: 0;
}

/* 步骤手风琴 */

.downloads-install[data-install-flow] .downloads-flow-step {
  min-width: 0;
}

.downloads-install[data-install-flow] .downloads-flow-step + .downloads-flow-step {
  border-top: 1px solid var(--ks-rule);
}

.downloads-install[data-install-flow] .downloads-flow-heading {
  color: var(--ks-text-muted);
  font-size: var(--ks-type-subhead-size);
  cursor: pointer;
  align-items: center;
  gap: 14px;
  padding: 20px 0;
  scroll-margin-top: 100px;
  font-weight: 500;
  list-style: none;
  display: flex;
}

.downloads-install[data-install-flow] .downloads-flow-heading::-webkit-details-marker {
  display: none;
}

.downloads-install[data-install-flow] .downloads-flow-heading > svg {
  transition: transform 0.18s var(--ks-ease);
  flex-shrink: 0;
  margin-left: auto;
}

.downloads-install[data-install-flow] .downloads-flow-step[open] > .downloads-flow-heading {
  color: var(--ks-ink);
}

.downloads-install[data-install-flow] .downloads-flow-step[open] > .downloads-flow-heading > svg {
  transform: rotate(90deg);
}

.downloads-install[data-install-flow] .downloads-flow-number {
  border: 1px solid var(--ks-edge);
  border-radius: var(--ks-radius-pill);
  width: 28px;
  height: 28px;
  font-size: var(--ks-type-small-size);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  place-items: center;
  display: grid;
}

.downloads-install[data-install-flow] .downloads-flow-step[open] .downloads-flow-number {
  background: var(--ks-ink);
  color: var(--ks-paper-raised);
  border-color: var(--ks-ink);
}

.downloads-install[data-install-flow] .downloads-flow-body {
  gap: 22px;
  min-width: 0;
  padding: 0 0 28px 32px;
  display: grid;
}

.downloads-install[data-install-flow] .downloads-flow-intro {
  font-size: var(--ks-type-ui-lead);
  color: var(--ks-text);
  margin: 0;
  line-height: 1.6;
}

.downloads-install[data-install-flow] .downloads-next {
  min-height: 44px;
  color: var(--ks-link-on-paper);
  font: 500 var(--ks-type-ui-lead) var(--ks-font);
  cursor: pointer;
  background: 0 0;
  border: 0;
  justify-self: start;
  align-items: center;
  gap: 14px;
  padding: 0;
  text-decoration: none;
  display: inline-flex;
}

.downloads-install[data-install-flow] .downloads-next:hover {
  color: var(--ks-link-on-paper-hover);
}

.downloads-install[data-install-flow] .downloads-flow-heading:focus-visible,
.downloads-install[data-install-flow] .downloads-next:focus-visible,
.downloads-install[data-install-flow] .downloads-tab:focus-visible,
.downloads-install[data-install-flow] .downloads-follow a:focus-visible {
  outline: 2px solid var(--ks-patina-deep);
  outline-offset: 4px;
  border-radius: var(--ks-radius-sm);
}

/* 方法切换标签 */

.downloads-install[data-install-flow] .downloads-tabs {
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  min-width: 0;
  display: flex;
}

.downloads-install[data-install-flow] .downloads-tabs-label {
  font-size: var(--ks-type-small-size);
  color: var(--ks-text-muted);
  flex-shrink: 0;
}

.downloads-install[data-install-flow] .downloads-method-strip {
  flex-wrap: wrap;
  gap: 4px;
  min-width: 0;
  display: flex;
}

.downloads-install[data-install-flow] .downloads-tab {
  border-radius: var(--ks-radius-sm);
  min-height: 36px;
  color: var(--ks-text-muted);
  font: 500 var(--ks-type-small-size) var(--ks-font);
  white-space: nowrap;
  cursor: pointer;
  background: 0 0;
  border: 0;
  padding: 7px 10px;
}

.downloads-install[data-install-flow] .downloads-tab[aria-selected="true"] {
  background: var(--ks-gray);
  color: var(--ks-ink);
}

.downloads-install[data-install-flow] .downloads-tab:hover {
  color: var(--ks-ink);
}

/* 命令块 */

.downloads-install .downloads-step {
  gap: 12px;
  min-width: 0;
  display: grid;
}

.downloads-install .downloads-cmd-label {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ks-text-muted);
  align-items: baseline;
  gap: 12px;
  margin: 0;
  font-weight: 500;
  line-height: 1.1;
  display: flex;
}

.downloads-install .downloads-cmd-num {
  color: var(--ks-ink);
  letter-spacing: 0.06em;
}

.downloads-install .downloads-cmd {
  box-sizing: border-box;
  background: var(--ks-instrument-deep);
  width: 100%;
  min-width: 0;
  color: var(--ks-instrument-text);
  border-radius: var(--ks-radius-sm);
  border: 0;
  align-items: center;
  gap: 12px;
  padding: 16px 12px 16px 18px;
  display: flex;
}

.downloads-install .downloads-prompt {
  font-family: var(--ks-mono);
  font-size: 0.75rem;
  color: var(--ks-kinpaku);
  user-select: none;
  flex: none;
  font-weight: 500;
  line-height: 1;
}

.downloads-install .downloads-cmd > code {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  min-width: 0;
  color: var(--ks-instrument-text);
  font-family: var(--ks-mono);
  /* 整条命令要在一行里放下（最长那条 curl 有 83 个字符），又别太小看着费劲：10px→12px */
  font-size: 0.75rem;
  letter-spacing: 0;
  user-select: all;
  background: 0 0;
  border: 0;
  flex: auto;
  padding: 0;
}

.downloads-install .downloads-copy {
  background: var(--ks-instrument-raised);
  width: 36px;
  height: 36px;
  color: var(--ks-instrument-text);
  border-radius: var(--ks-radius-sm);
  cursor: pointer;
  transition: background 0.18s var(--ks-ease), color 0.18s var(--ks-ease),
    transform 0.12s var(--ks-ease);
  border: 0;
  flex: none;
  place-items: center;
  display: inline-grid;
  position: relative;
}

.downloads-install .downloads-copy:hover {
  background: color-mix(in oklch, var(--ks-instrument-raised), var(--ks-instrument-text) 12%);
}

.downloads-install .downloads-copy:active {
  transform: scale(0.96);
}

.downloads-install .downloads-copy:focus-visible {
  outline: 2px solid var(--ks-patina);
  outline-offset: 2px;
}

.downloads-install .downloads-copy-icon,
.downloads-install .downloads-check-icon {
  transition: opacity 0.14s var(--ks-ease), transform 0.18s var(--ks-ease);
  grid-area: 1 / 1;
}

.downloads-install .downloads-copy-icon {
  opacity: 1;
  transform: scale(1);
}

.downloads-install .downloads-check-icon {
  opacity: 0;
  color: var(--ks-patina);
  transform: scale(0.86);
}

.downloads-install .downloads-check-icon path {
  stroke-dasharray: 24;
  stroke-dashoffset: 24px;
}

.downloads-install .downloads-copy.copied .downloads-copy-icon {
  opacity: 0;
  transform: scale(0.82);
}

.downloads-install .downloads-copy.copied .downloads-check-icon {
  opacity: 1;
  transform: scale(1);
}

.downloads-install .downloads-copy.copied .downloads-check-icon path {
  animation: downloads-check-draw 0.26s var(--ks-ease) forwards;
}

@keyframes downloads-check-draw {
  to {
    stroke-dashoffset: 0;
  }
}

.downloads-install .downloads-copy span {
  clip: rect(0 0 0 0);
  white-space: nowrap;
  width: 1px;
  height: 1px;
  position: absolute;
  overflow: hidden;
}

/* 方法面板与说明 */

.downloads-install .downloads-method-panel {
  align-self: start;
  gap: 10px;
  min-width: 0;
  display: grid;
}

.downloads-install .downloads-step > .downloads-method-panel {
  grid-area: 2 / 1;
}

.downloads-install[data-install-flow] .downloads-step > .downloads-method-panel[hidden] {
  display: none;
}

.downloads-install .downloads-method-note {
  max-width: 62ch;
  font-size: var(--ks-type-small-size);
  color: var(--ks-text);
  margin: 0;
  line-height: 1.55;
}

.downloads-install .downloads-method-note code {
  font-family: var(--ks-mono);
  color: var(--ks-text);
  background: var(--ks-code-bg);
  border-radius: var(--ks-code-radius);
  padding: var(--ks-code-pad);
  border: 0;
  font-size: 0.9em;
}

.downloads-install .downloads-method-note strong {
  color: var(--ks-ink);
  font-weight: 600;
}

/* 折叠分支 */

.downloads-install .downloads-branch {
  margin: 2px 0 0;
}

.downloads-install .downloads-branch-summary {
  cursor: pointer;
  font-size: var(--ks-type-ui-size);
  color: var(--ks-text-muted);
  transition: color 0.16s var(--ks-ease);
  align-items: center;
  gap: 7px;
  list-style: none;
  display: inline-flex;
}

.downloads-install .downloads-branch-summary::-webkit-details-marker {
  display: none;
}

.downloads-install .downloads-branch-summary:hover {
  color: var(--ks-ink);
}

.downloads-install .downloads-branch[open] > .downloads-branch-summary {
  color: var(--ks-ink);
  margin-bottom: 14px;
}

.downloads-install .downloads-branch-arrow {
  transition: transform 0.18s var(--ks-ease);
  flex: none;
}

.downloads-install .downloads-branch[open] > .downloads-branch-summary .downloads-branch-arrow {
  transform: rotate(90deg);
}

.downloads-install[data-install-flow] .downloads-install-details {
  gap: 14px;
  padding-top: 14px;
  display: grid;
}

.downloads-install[data-install-flow] .downloads-install-details > p {
  font-size: var(--ks-type-small-size);
  margin: 0;
  line-height: 1.6;
}

/* 收尾清单 */

.downloads-install[data-install-flow] .downloads-follow {
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.downloads-install[data-install-flow] .downloads-follow li {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px 22px;
  display: grid;
}

.downloads-install[data-install-flow] .downloads-follow strong {
  color: var(--ks-ink);
  font-size: var(--ks-type-ui-lead);
  font-weight: 500;
}

.downloads-install[data-install-flow] .downloads-follow p {
  font-size: var(--ks-type-small-size);
  color: var(--ks-text-muted);
  margin: 6px 0 0;
  line-height: 1.5;
}

.downloads-install[data-install-flow] .downloads-follow .ks-button {
  justify-content: space-between;
  justify-self: start;
  gap: 14px;
  min-width: 210px;
}

/* 底部两栏补充 */

.downloads-extras {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  width: 100%;
  max-width: var(--width-max);
  margin: 0 auto 32px;
  padding: 0 0 32px;
  border-bottom: 1px solid var(--ks-rule);
  list-style: none;
  display: grid;
}

.downloads-extras li {
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: 0 40px;
  display: flex;
}

.downloads-extras li:first-child {
  padding-left: 0;
}

.downloads-extras li:last-child {
  padding-right: 0;
}

.downloads-extras li + li {
  border-left: 1px solid var(--ks-rule);
}

.downloads-extras strong {
  color: var(--ks-ink);
  font-family: var(--ks-font);
  font-weight: var(--ks-type-title-weight);
  font-size: var(--ks-type-title-size);
  line-height: var(--ks-type-title-line);
}

.downloads-extras span {
  color: var(--ks-text);
  font-size: var(--ks-type-small-size);
  max-width: 40ch;
  line-height: 1.55;
}

.downloads-extras a {
  width: fit-content;
  color: var(--ks-link-on-paper);
  font-size: var(--ks-type-small-size);
  text-decoration: underline;
  text-decoration-color: var(--ks-link-on-paper-line);
  text-underline-offset: 4px;
  transition: text-decoration-color 0.18s var(--ks-ease);
  text-decoration-thickness: 1px;
}

.downloads-extras a:hover {
  text-decoration-color: var(--ks-link-on-paper-line-hover);
}

/* ---------- 结尾 ---------- */

.closing {
  display: grid;
  gap: 20px;
  justify-items: center;
  text-align: center;
  padding-block: var(--ks-section-pad);
}

.closing .section-title {
  max-width: 20ch;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1000px) {
  .hero-container {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 56px;
    translate: none;
  }

  .hero-left {
    text-align: center;
    grid-area: 1 / 1;
    justify-self: center;
    justify-items: center;
    max-width: 760px;
  }

  .hero-actions,
  .hero-logos {
    justify-content: center;
  }

  .hero-right {
    grid-area: 2 / 1;
    justify-self: center;
  }

  /* 单列堆叠后卡片不再需要靠右贴住文案栏：收窄舞台并居中，两侧留出弧形标签的余量 */
  .hero-proof {
    width: min(430px, calc(100% - 64px));
    margin-inline: auto;
  }

  .hero-proof-canvas {
    padding-inline: 0;
  }

  .hero-proof-canvas > article {
    width: 100%;
  }

  .hero-logos {
    grid-template-columns: repeat(5, minmax(0, auto));
    justify-content: start;
    gap: 8px;
    display: grid;
  }

  .hero-logos-caption {
    display: block;
    grid-column: 1 / -1;
  }
}

@media (max-width: 1000px) {
  .downloads-top {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .downloads-head {
    max-width: 46ch;
  }
}

@media (max-width: 760px) {
  .features {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature--wide {
    grid-column: span 1;
  }

  .downloads-extras {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .downloads-extras li {
    padding: 0;
  }

  .downloads-extras li + li {
    border-top: 1px solid var(--ks-rule);
    border-left: 0;
    padding-top: 28px;
  }

  .downloads-install[data-install-flow] .downloads-flow-heading {
    gap: 12px;
    padding: 18px 0;
    font-size: var(--ks-type-lead-size);
  }

  .downloads-install[data-install-flow] .downloads-flow-body {
    padding: 0 0 24px;
  }

  .downloads-install .downloads-cmd {
    padding: 14px 10px 14px 14px;
  }

  .downloads-install[data-install-flow] .downloads-follow li {
    grid-template-columns: minmax(0, 1fr);
  }

  .downloads-install[data-install-flow] .downloads-follow .ks-button {
    justify-self: stretch;
    width: 100%;
  }
}

/* ---------- 面板容器 + 会话框：挂进来的插件界面与会话框共用的一套样式 ---------- */

.custom-chat-kicker {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-mono-size);
  letter-spacing: var(--ks-type-mono-track);
  text-transform: uppercase;
  color: var(--ks-text-muted);
}

/* 面板容器——点场景后，把该插件自己的界面挂进这块容器里 */

.custom-view {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  background: var(--ks-paper);
}

.custom-view-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--ks-rule);
  background: var(--ks-paper-raised);
}

.custom-view-kicker {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-mono-size);
  letter-spacing: var(--ks-type-mono-track);
  text-transform: uppercase;
  color: var(--ks-text-muted);
}

.custom-view-slot {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ks-text-faint);
}

.custom-view-slot b {
  font-weight: 500;
  color: var(--ks-patina-ink);
}

.custom-view-body {
  display: grid;
  align-content: start;
  min-height: 400px;
  position: relative;
  padding: 14px;
  background: var(--ks-paper-deep);
}

.custom-view-empty {
  display: grid;
  place-content: center;
  gap: 8px;
  margin: 0;
  padding: 24px;
  text-align: center;
  font-size: var(--ks-type-small-size);
  color: var(--ks-text-faint);
}

.custom-view-empty-mark {
  display: block;
  font-family: var(--ks-mono);
  font-size: 1.5rem;
  letter-spacing: 0.3em;
  color: var(--ks-gray-2);
}

.custom-view[data-mounted="true"] .custom-view-empty {
  display: none;
}

/* 挂进来的插件界面：三块样子完全不同，因为界面本来就是插件自己写的 */

.pv {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.pv[hidden] {
  display: none;
}

.pv-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--ks-rule);
}

.pv-title {
  display: grid;
  min-width: 0;
  gap: 1px;
}

.pv-title b {
  font: 500 0.875rem var(--ks-font);
  color: var(--ks-ink);
}

.pv-title em {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  font-style: normal;
  letter-spacing: 0.04em;
  color: var(--ks-text-faint);
}

.pv-run {
  flex: none;
  padding: 6px 12px;
  border: 1px solid var(--ks-ink);
  border-radius: var(--ks-radius-sm);
  background: var(--ks-ink);
  color: var(--ks-paper-raised);
  font: 500 var(--ks-type-small-size) var(--ks-font);
  cursor: pointer;
  transition: background-color var(--ks-quick) var(--ks-ease), border-color var(--ks-quick) var(--ks-ease), color var(--ks-quick) var(--ks-ease);
}

.pv-run:hover,
.pv-run.is-press {
  border-color: var(--ks-kinpaku);
  background: var(--ks-kinpaku);
  color: var(--ks-ink);
}

.pv-run:focus-visible {
  outline: 2px solid var(--ks-patina-deep);
  outline-offset: 2px;
}

/* 插件自己的选项组：挑一下就等于把这条要求补发给 agent */

.pv-controls {
  display: grid;
  gap: 7px;
}

.pv-opts {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.pv-opt-label {
  flex: none;
  min-width: 64px;
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ks-text-faint);
}

.pv-opt {
  padding: 4px 10px;
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-pill);
  background: var(--ks-paper-raised);
  color: var(--ks-text-muted);
  font: 500 var(--ks-type-micro-size) var(--ks-font);
  cursor: pointer;
  transition: background-color var(--ks-quick) var(--ks-ease), border-color var(--ks-quick) var(--ks-ease),
    color var(--ks-quick) var(--ks-ease);
}

.pv-opt:hover {
  color: var(--ks-ink);
  border-color: var(--ks-gray-2);
}

.pv-opt[aria-pressed="true"],
.pv-opt[aria-pressed="true"]:hover {
  border-color: var(--ks-patina);
  background: color-mix(in oklch, var(--ks-patina), transparent 82%);
  color: var(--ks-patina-ink);
}

.pv-opt:focus-visible {
  outline: 2px solid var(--ks-patina-deep);
  outline-offset: 2px;
}

.pv-body {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.pv-shots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.pv-shot {
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  background: repeating-linear-gradient(135deg, var(--ks-gray) 0 6px, transparent 6px 12px), var(--ks-paper-raised);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-faint);
}

.pv-timeline {
  display: flex;
  gap: 4px;
  height: 14px;
}

.pv-timeline span {
  border-radius: 2px;
  background: color-mix(in oklch, var(--ks-kinpaku), transparent 45%);
}

.pv-timeline span:nth-child(2) {
  background: color-mix(in oklch, var(--ks-patina), transparent 40%);
}

.pv-rows,
.pv-progress {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pv-rows li,
.pv-progress li,
.pv-rows-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  background: var(--ks-paper-raised);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
}

.pv-rows--grid li,
.pv-progress li,
.pv-rows-head {
  grid-template-columns: minmax(0, 1fr) 52px auto;
}

.pv-rows li span,
.pv-progress li span,
.pv-rows-head span {
  color: var(--ks-text-muted);
  letter-spacing: 0.04em;
}

.pv-rows li b,
.pv-progress li b,
.pv-rows-head b {
  font-weight: 500;
  color: var(--ks-ink);
  text-align: right;
}

.pv-rows-head {
  border-style: dashed;
  background: 0 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.pv-bar {
  height: 7px;
  border-radius: var(--ks-radius-pill);
  background: var(--ks-gray);
  overflow: hidden;
}

.pv-bar i {
  display: block;
  height: 100%;
  background: var(--ks-patina);
}

.pv-spark {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 62px;
  padding: 8px 10px;
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  background: var(--ks-paper-raised);
}

.pv-spark i {
  flex: 1;
  border-radius: 2px;
  background: color-mix(in oklch, var(--ks-patina), transparent 35%);
}

/* 右侧会话框：头部 + 历史 + 输入条，结构与 builtin 会话插件一致 */

.custom-chat {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  background: var(--ks-paper);
}

.custom-chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--ks-rule);
  background: var(--ks-paper-raised);
}

.custom-chat-loop {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ks-text-faint);
}

.custom-chat-loop b {
  font-weight: 500;
  color: var(--ks-patina-ink);
}

.custom-composer {
  padding: 12px 14px 14px;
  border-top: 1px solid var(--ks-rule);
  background: var(--ks-paper-raised);
}

/* 输入条：悬浮圆角白块，上半写字、下半放＋与发送（照搬 builtin .bar） */

.custom-bar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 10px 8px;
  border-radius: var(--ks-radius-md);
  background: var(--ks-paper-raised);
  box-shadow: var(--ks-lift-1);
}

.custom-input {
  padding: 2px 4px;
  font-size: var(--ks-type-small-size);
  line-height: 1.5;
  color: var(--ks-text-mute-deep);
}

/* Before 卡里那条输入条是演示用的：真的把整段简报一个字一个字打进去 */

.demo-before-input {
  color: var(--ks-ink);
  overflow-wrap: anywhere;
  /* 空着时也留出一行的位置，输入条不会塌下去 */
  min-height: calc(1.5em + 4px);
}

/* 打字时才有那根闪动的光标 */

.demo-caret {
  display: none;
  width: 2px;
  height: 1.05em;
  margin-left: 1px;
  background: var(--ks-ink);
  vertical-align: -0.18em;
}

.custom-input.is-typing .demo-caret {
  display: inline-block;
  animation: demo-caret 0.9s steps(1) infinite;
}

@keyframes demo-caret {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

/* Before 输入条里的按钮只是照 Now 的样子摆出来，点了也不该有反应 */

.demo-before-ghost {
  pointer-events: none;
}

/* 简报打完的那一下：发送键亮起来，气泡才落进会话 */

.custom-send.is-press {
  background: var(--ks-kinpaku);
  color: var(--ks-ink);
  animation: demo-send-press 0.28s var(--ks-ease);
}

@keyframes demo-send-press {
  0% {
    scale: 1;
  }
  45% {
    scale: 0.86;
  }
  100% {
    scale: 1;
  }
}

.custom-bar-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.custom-plus {
  display: grid;
  place-items: center;
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: var(--ks-radius-md);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--ks-text-muted);
}

/* Agent Loop 切换：贴＋右侧的小按钮，向上弹出列表（照搬 builtin .modeBtn / .modeMenu） */

.custom-modes {
  position: relative;
  min-width: 0;
}

.custom-mode {
  display: flex;
  align-items: center;
  gap: 4px;
  max-width: 160px;
  height: 28px;
  padding: 0 8px;
  border: 0;
  border-radius: var(--ks-radius-md);
  background: 0 0;
  color: var(--ks-text-muted);
  font: 500 var(--ks-type-micro-size) var(--ks-mono);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color var(--ks-quick) var(--ks-ease), color var(--ks-quick) var(--ks-ease);
}

.custom-mode:hover {
  background: var(--ks-gray);
  color: var(--ks-ink);
}

.custom-mode span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.custom-mode svg {
  flex: none;
  width: 12px;
  height: 12px;
}

.custom-mode-menu {
  display: none;
  position: absolute;
  left: 0;
  bottom: calc(100% + 6px);
  z-index: 12;
  min-width: 168px;
  max-height: 220px;
  overflow-y: auto;
  padding: 5px;
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-md);
  background: var(--ks-paper-raised);
  box-shadow: var(--ks-lift-2);
}

.custom-mode-menu.open {
  display: block;
}

.custom-mode-menu button {
  display: block;
  width: 100%;
  padding: 7px 9px;
  border: 0;
  border-radius: var(--ks-radius-sm);
  background: 0 0;
  color: var(--ks-text);
  font: 500 var(--ks-type-small-size) var(--ks-font);
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}

.custom-mode-menu button:hover {
  background: var(--ks-gray);
}

.custom-mode-menu button.sel {
  color: var(--ks-patina-ink);
  font-weight: 600;
}

.custom-bar-spacer {
  flex: 1;
}

.custom-ctx {
  display: grid;
  place-items: center;
  flex: none;
  width: 26px;
  height: 26px;
}

.custom-ctx svg {
  display: block;
  width: 20px;
  height: 20px;
}

.custom-ctx-track {
  stroke: var(--ks-gray-2);
}

.custom-ctx-arc {
  stroke: var(--ks-patina);
}

.custom-send {
  display: grid;
  place-items: center;
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: var(--ks-radius-md);
  background: var(--ks-ink);
  color: var(--ks-paper-raised);
}

.custom-send svg {
  display: block;
  width: 15px;
  height: 15px;
}

@media (max-width: 1160px) {
  .demo-workbench {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .demo-stage {
    --demo-thread-h: 300px;
  }
}

/* ---------- 越用越聪明：skill 工厂 + 记忆库 ---------- */

.evolve-stage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  gap: 16px;
}

.evolve-card {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 14px;
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  background: var(--ks-paper-raised);
}

.evolve-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.evolve-card-kicker {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-mono-size);
  letter-spacing: var(--ks-type-mono-track);
  text-transform: uppercase;
  color: var(--ks-text-muted);
}

.evolve-card-tag {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ks-patina-ink);
}

.evolve-body {
  display: grid;
  align-content: start;
  gap: 12px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  background: var(--ks-paper);
}

.evolve-report-title {
  margin: 0;
  font-family: var(--ks-mono);
  font-size: 0.8125rem;
  color: var(--ks-ink);
}

.evolve-report-title span {
  color: var(--ks-text-faint);
}

.evolve-iters {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.evolve-iters li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 42px;
  align-items: center;
  gap: 10px;
}

.evolve-iters span {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ks-text-faint);
}

.evolve-iters b {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  font-weight: 500;
  color: var(--ks-patina-ink);
  text-align: right;
}

.evolve-iters i {
  position: relative;
  height: 6px;
  border-radius: var(--ks-radius-pill);
  background: var(--ks-gray);
  overflow: hidden;
}

.evolve-iters i::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--fill, 0%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ks-patina), var(--ks-patina-deep));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.7s var(--ks-ease);
}

.evolve-stage.is-in .evolve-iters i::before {
  transform: scaleX(1);
}

.evolve-cases {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px dashed var(--ks-rule);
}

.evolve-cases li {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--ks-rule);
}

.evolve-case-flag {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ks-gray-2);
}

.evolve-case-flag.is-pass {
  background: var(--ks-patina);
}

.evolve-case-text {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.evolve-case-text b {
  font-family: var(--ks-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ks-ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.evolve-case-text em {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  font-style: normal;
  color: var(--ks-text-faint);
}

.evolve-case-cost {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  font-weight: 500;
  color: var(--ks-text-muted);
  white-space: nowrap;
}

.evolve-bench {
  display: grid;
  border-top: 1px dashed var(--ks-rule);
}

.evolve-bench-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--ks-rule);
}

.evolve-bench-row span {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ks-text-faint);
}

.evolve-bench-row b {
  font-family: var(--ks-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ks-patina-ink);
  text-align: right;
}

.evolve-layers {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.evolve-layers li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding: 11px 12px;
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  background: var(--ks-paper-raised);
}

.evolve-layer-n {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  letter-spacing: 0.1em;
  color: var(--ks-patina);
}

.evolve-layer-text {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.evolve-layer-text b {
  font: 500 0.875rem var(--ks-font);
  color: var(--ks-ink);
}

.evolve-layer-text em {
  font-style: normal;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--ks-text-muted);
}

@media (prefers-reduced-motion: reduce) {
  .custom-tile {
    animation: none;
  }

  .evolve-iters i::before {
    transform: none;
  }
}

@media (max-width: 1000px) {
  .evolve-stage {
    grid-template-columns: minmax(0, 1fr);
  }
}